CN108274608B

CN108274608B - Continuous production complete equipment for prestressed track slab

Info

Publication number: CN108274608B
Application number: CN201810196955.7A
Authority: CN
Inventors: 黄兴启; 艾其开; 郑红彬; 廉栋; 张利明; 张大伟; 王帅; 张�杰; 张永; 刘凯强
Original assignee: Shandong High Speed Rail Equipment Material Co ltd
Current assignee: Shandong High Speed Railway Construction Equipment Co ltd
Priority date: 2018-03-10
Filing date: 2018-03-10
Publication date: 2022-08-16
Anticipated expiration: 2038-03-10
Also published as: CN108274608A

Abstract

The invention discloses complete equipment for continuously producing a prestressed track slab, which comprises demoulding process equipment, mould cleaning process equipment, pre-assembly process equipment and pouring equipment which are sequentially distributed from front to back, and further comprises two sets of conveying mechanisms which are arranged in parallel and used for conveying track slab moulds and a steering conveying mechanism which is arranged at one end of the two sets of conveying mechanisms and used for conveying the track slab moulds, wherein the two sets of conveying mechanisms and the steering conveying mechanism form a U-shaped conveying line, the conveying line is provided with a plurality of track slab moulds which are arranged at intervals, one side of the conveying line is provided with a water curing pool and a track slab storage frame, the other end of the two sets of conveying mechanisms is provided with a curing box, a plurality of brackets are arranged in the curing box, and the complete equipment for continuously producing the prestressed track slab also comprises a transfer trolley which can open a box door of the curing box and convey the track slab moulds to the brackets at the same time. The invention can realize the continuous production of the prestressed track slab and has the advantages of effectively ensuring the production quality of the track slab and improving the labor efficiency.

Description

Continuous production complete equipment for prestressed track slab

Technical Field

The invention relates to a continuous production complete equipment for a prestressed track slab.

Background

At present, with the continuous development of the construction level of the high-speed railway in China, the structural form of the ballastless track is generally adopted. In order to perfect ballastless track structure types under different operation conditions and provide powerful technical support for the development strategy of 'going out' of high-speed railways in China, related organizations of the railway department independently develop CRTS III plate type ballastless track structures.

In the production process of the CRTS III type track slab (prestressed track slab), the following process steps are required, firstly, the mould is cleaned to ensure the appearance quality of the track slab concrete, and after the template is cleaned up, a layer of release agent is uniformly sprayed; secondly, installing and hoisting the embedded sleeve, putting a reinforcement cage and threading, performing primary tensioning and pre-tightening on the reinforcement after threading, then putting a cushion block, tensioning the reinforcement, and performing insulation detection after tensioning is finished; and finally, putting concrete into the mould, vibrating, performing steam curing, then releasing, detaching, demoulding and performing water bath curing.

For the production process, no complete process line and relevant equipment are available for production, and the track slab die needs to be transported repeatedly, so that the labor efficiency is low and the product quality is difficult to ensure.

Disclosure of Invention

The invention aims to solve the technical problem of providing complete equipment for continuously producing the prestressed track slab, so that continuous production is realized, and the production quality of the prestressed track slab is ensured.

In order to solve the technical problem, the complete equipment for continuously producing the prestressed track slabs comprises demoulding process equipment, mould cleaning process equipment, pre-assembly process equipment and pouring equipment which are sequentially distributed from front to back, and is structurally characterized by further comprising two sets of conveying mechanisms which are arranged in parallel and used for conveying track slab moulds and a steering conveying mechanism which is arranged at one end of each conveying mechanism and used for conveying the track slab moulds, wherein the two sets of conveying mechanisms and the steering conveying mechanism form a U-shaped conveying line, a plurality of track slab moulds are arranged on the conveying line at intervals, at least one water culture pond and a track slab storage frame which is arranged on the side of the water culture pond are arranged at one side of the conveying line, at least one maintenance box is arranged at the other end of each conveying mechanism, a plurality of brackets which are used for placing the prestressed track slabs and are arranged in a layered manner are arranged in the maintenance box, and the complete equipment for continuously producing the prestressed track slabs further comprises a box door which can be opened and conveying the track slab moulds at the same time A transfer trolley to the carriage.

After the structure is adopted, all the devices are organically connected in series through the serial connection effect of the conveying mechanism, the steering conveying mechanism and the transfer trolley, so that the circular production is realized, namely, the prestressed track slabs with qualified quality are continuously produced through the operation of the track slab die, the prestressed track slabs do not need to be transferred and maintained in a large range any more through the structures and the position arrangement of the maintenance box, the water maintenance pool and the track slab storage frame, and the prestressed track slabs are directly stored after being maintained and maintained on a production line, so that the labor efficiency is greatly improved. The continuous equipment arrangement mode is convenient for on-line monitoring, can timely treat problems in each process, and ensures the production quality of the prestressed track slab.

The conveying mechanism comprises two rows of support wheel sets which are arranged in parallel, each row of support wheel set comprises a plurality of support wheels which are arranged at intervals, and a friction driving mechanism is arranged between part of adjacent support wheels; the friction driving mechanism comprises a base, wherein a mounting seat capable of elastically floating up and down is hinged to the base, a driving motor is connected to the mounting seat, and a friction driving wheel is arranged on a power output shaft of the driving motor; the steering conveying mechanism comprises two parallel rails and a bearing bracket positioned on the rails, wherein the bearing bracket is provided with a walking wheel driven by a motor to walk along the rails, and the bearing bracket is also provided with a tray which is driven by a lifting power device to lift and is used for bearing the mold.

The demoulding process equipment comprises a top side bolt detaching mechanism, a releasing mechanism and a demoulding mechanism, wherein the releasing mechanism comprises a releasing frame, the releasing frame is connected with at least one pair of lifting cross beams which are driven by a releasing lifter to lift up and down and are arranged oppositely in a sliding way, the lifting cross beams are connected with a releasing frame which is driven by a releasing cross machine to move horizontally along the lifting cross beams, the two opposite releasing frames are correspondingly connected with a releasing and releasing combining head driven by a releasing power machine, the releasing and releasing combining head comprises a releasing shaft which is rotationally connected with the releasing frame, the releasing shaft is dynamically connected with two driving sleeves which rotate along the releasing shaft and can slide along the axial direction of the releasing shaft, the driving sleeves are sleeved together, a releasing and releasing top spring is connected between the outer extending end parts of the driving sleeves and the releasing shaft, the inner extending end parts of the two driving sleeves are respectively provided with an end face gear, and the insections of two end face gears are arranged in a staggered way, the inward extending end part of the tension releasing shaft is rotatably connected with a tension releasing driving head, and a driven end face gear which can be meshed with any end face gear is arranged on the outward extending end face of the tension releasing driving head.

The demolding mechanism comprises at least four supporting oil cylinders which are correspondingly arranged on two sides of the conveying mechanism and of which piston rods can prop against the lower bottom surface of the track plate mold, at least one demolding oil cylinder and a prestress track plate in the track plate mold can be jacked up by the piston rods of the demolding oil cylinders are arranged below the central axis of the conveying mechanism, demolding supports are symmetrically arranged on two sides of the conveying mechanism, a demolding swing arm and a demolding pressing oil cylinder are hinged to the demolding supports, a downward-extending demolding pressure head is hinged to the inner end portion of the demolding swing arm, the outer end portion of the demolding swing arm is hinged to the piston rod of the demolding pressing oil cylinder, the demolding pressure head comprises a downward-extending demolding pressure shaft, and the demolding pressure shaft is connected with a pressure head body made of elastic materials from bottom to top, a pressure sensor and a limiting sleeve.

The die cleaning process equipment comprises a die cleaning mechanism and a spraying mechanism, the die cleaning mechanism comprises a die cleaning rack and a die cleaning support frame driven by a power machine to slide longitudinally along the die cleaning rack, the bottom of the die cleaning support frame is connected with a bottom surface roller brush driven by a bottom brush power device to slide transversely and driven by a motor to rotate, the bottom surface roller brush comprises a cylindrical support barrel arranged transversely and brush hairs arranged on the outer circumferential surface of the cylindrical support barrel, two sides of the lower part of the die cleaning support frame are connected with side surface roller brushes driven by a side brush power device to slide vertically and driven by the motor to rotate, the front part and the rear part of the die cleaning support frame are correspondingly connected with an end surface roller brush and a groove brush driven by an end brush power device and a groove brush power device to slide transversely and driven by the motor to rotate respectively, and the side surface roller brushes, the end surface roller brush and the groove brush comprise vertically arranged cylindrical support cylinders and brush bristles arranged on the outer circumferential surfaces of the cylindrical support cylinders; the bottom of mould cleaning support frame still is connected with and is transversely slided and vertically slided and by motor drive pivoted arris brush by arris brush power device drive, and the arris brush has brush-holder stud and the excellent head of spherical cap shape, and brush-holder stud and excellent head all are provided with the brush hair, and the bottom of mould cleaning support frame still is connected with and is vertically slided and by motor drive pivoted cover brush by the cover brush power device drive, and the cover brush has and is connected with the brush hair on the inner wall and the bottom surface of cylindric brush section of thick bamboo and brush section of thick bamboo, be equipped with the dust extraction that is used for absorbing the dust that each brush was swept up on the mould cleaning support frame.

The spraying mechanism comprises a spraying rack and a spraying support frame driven by a power machine to slide longitudinally along the spraying rack, the bottom of the spraying support frame is connected with a bottom surface roller brush driven by a bottom brush power device to slide transversely and driven by a motor to rotate, the bottom surface roller brush comprises a transverse cylindrical support barrel and brush bristles arranged on the outer circumferential surface of the cylindrical support barrel, two sides of the lower part of the spraying support frame are connected with side surface roller brushes driven by a side brush power device to slide vertically and driven by the motor to rotate, the front part and the rear part of the spraying support frame are correspondingly connected with an end surface roller brush and a groove brush which are driven by an end brush power device and a groove brush power device to slide transversely and vertically and driven by the motor to rotate respectively, and the side surface roller brush, the end surface roller brush and the groove brush comprise vertical cylindrical support barrels and brush bristles arranged on the outer circumferential surface of the cylindrical support barrel; the front end of the spraying support frame is provided with a support rod which is transversely arranged, a plurality of nozzles which are arranged downwards are arranged on the support rod at intervals, and each nozzle is connected with a delivery pipe of a release agent through a pipeline.

The pre-assembly process equipment comprises a pre-buried sleeve installation mechanism, a steel reinforcement cage mould entering mechanism, a threading mechanism, a pre-tensioning mechanism, a cushion block placing mechanism, a tensioning mechanism and an insulation detection mechanism, wherein the pre-buried sleeve installation mechanism comprises a pre-buried sleeve rack, a pre-buried sleeve beam driven by a beam driving device to longitudinally slide is installed on the pre-buried sleeve rack, a suspension bracket and a cantilever driven by a power device to transversely slide are installed on the pre-buried sleeve beam, a pre-buried sleeve bracket is arranged on the suspension bracket, a pre-buried sleeve taking and placing manipulator is installed at the lower part of the cantilever, a pre-buried sleeve quick fixing device positioned above the pre-buried sleeve taking and placing manipulator is installed on the cantilever, the pre-buried sleeve quick fixing device comprises a movable column which is connected onto the cantilever and can vertically slide, a hammer head is installed at the bottom of the movable column, a limiting plate is connected onto the cantilever, and a limiting block which extends out of the outer surface of the movable column under the elastic pressing action of an elastic component is hinged in the movable column, the movable post inner sleeve is equipped with the driving barrel that can vertically slide and order about the stopper withdrawal when downstream, is equipped with the drive top spring that leans on the driving barrel upwards to top between the inner wall of driving barrel and movable post, is connected with on the cantilever and carries and draw power cylinder, and the piston rod of carrying and drawing power cylinder can promote the driving barrel when being located movable post upper portion inner chamber and can carry movable post, downstream when upstream.

The tensioning mechanism comprises a tensioning frame, the tensioning frame is connected with a tensioning sliding frame which is oppositely arranged at the outer sides of two opposite sides of the track plate die and synchronously ascends and descends by the driving of a power mechanism, the tensioning sliding frame is connected with a tensioning combination frame which is driven by the combination power mechanism to slide along the inner side and the outer side of the tensioning frame, the tensioning combination frame is connected with a jacking rod which can be propped against the track plate die, the two opposite tensioning combination frames are correspondingly provided with tensioning frames driven by the tensioning power mechanism, the inner end of the tensioning frame is provided with a fixed tensioning claw for a special-shaped nut of a tensioning rod on the track plate die to stretch into, the tensioning frame is connected with a tensioning stress monitoring device, the tensioning combination frame is rotatably connected with a driving rotating sleeve driven by a locking power device, the locking power device comprises a driving sleeve gear which is rotatably connected to the tensioning combination frame and driven by a power motor, the outer wall of the driving rotating sleeve is in power connection with the driving rotating sleeve gear and can be sleeved on the tension rod, and the inner end of the driving rotating sleeve is provided with a driving rotating head for driving the locking nut to rotate.

The insulation detection mechanism comprises an insulation detection support frame, two end insulation detection cross beams and a middle insulation detection cross beam which are driven by a sliding power device to longitudinally slide are connected to the insulation detection support frame, a plurality of contact seats which are driven by the insulation detection power device to vertically slide are connected to the end insulation detection cross beams, first contacts which are driven by a detection power mechanism and can be in contact with longitudinal steel bars are installed on the contact seats, and a plurality of first contacts of the two end insulation detection cross beams are respectively arranged oppositely; the middle insulation detection cross beam is connected with at least two contact seats which are driven by an insulation detection power device and arranged at intervals, the contact seats are connected with second contacts which are driven by a detection power device and can be in contact with transverse steel bars, two opposite first contacts form a longitudinal pre-detection contact group for detecting one longitudinal steel bar, two second contacts arranged at intervals form a transverse pre-detection contact group for detecting one transverse steel bar, any one of the first contacts and the second contacts form a cross point detection contact group for detecting the cross point of the longitudinal steel bar and the transverse steel bar which are in contact with the first contacts, and the longitudinal pre-detection contact group, the transverse pre-detection contact group and the cross point detection contact group are respectively connected with an insulation detection circuit through wires.

The track slab mould comprises a mould body, wherein the mould body is provided with a forming inner cavity, the upper part of the side wall of the mould body is connected with a stiffening beam, the side wall of the mould body is inserted with a tension rod, the end part of the tension rod extends out of the stiffening beam, the mould body is hinged with a plurality of balance arms which are arranged at intervals and connected with the top part of the stiffening beam, the balance arms on the two opposite side walls of the mould body are arranged oppositely, the middle parts of the balance arms are hinged on the side wall of the mould body through hinge shafts and hinge seats, and the lower parts of the two opposite balance arms are connected with balance pull rods, the bottom wall of the inner cavity of the mould body is connected with a grouting hole forming device which extends from bottom to top and enables a poured prestressed track slab to form a grouting hole, and the bottom wall of the inner cavity of the mould body is further connected with a jacking sleeve which can jack up the grouting hole forming device and enables the molded prestressed track slab to be demoulded.

In summary, compared with the prior art, the scheme has the following advantages: the invention can realize the continuous production of the prestressed track slab and has the advantages of effectively ensuring the production quality of the track slab and improving the labor efficiency.

Drawings

The following detailed description of embodiments of the invention is provided in conjunction with the appended drawings:

FIG. 1 is a schematic structural diagram of one embodiment of the present invention;

FIG. 2 is a schematic view of the structure of the transfer vehicle;

FIG. 3 is a schematic top view of FIG. 2;

FIG. 4 is a schematic structural view of the friction drive mechanism;

FIG. 5 is a schematic view of the construction of the turn conveyor;

FIG. 6 is a schematic structural view taken along line A-A in FIG. 5;

FIG. 7 is a schematic structural view taken along line B-B in FIG. 5;

FIG. 8 is a schematic view showing an arrangement of curing boxes according to another embodiment of the present invention;

FIG. 9 is a schematic view of the tension mechanism;

FIG. 10 is a schematic view of the structure of the expansion joint head;

fig. 11 is a schematic structural view of the mold-releasing mechanism;

FIG. 12 is a schematic structural view of a mold cleaning mechanism;

FIG. 13 is a schematic structural view of one of the mold stripping supports in the mold stripping mechanism;

FIG. 14 is a schematic structural view of another mold clearing support frame in the mold clearing mechanism;

FIG. 15 is a schematic view of the structure of the spray mechanism;

FIG. 16 is a schematic structural view of a pre-buried sleeve mounting mechanism;

FIG. 17 is a schematic structural view taken along line C-C in FIG. 16;

fig. 18 is a schematic structural view of a quick fastening device for an embedded casing;

FIG. 19 is a schematic view of the construction of the tensioning mechanism;

FIG. 20 is a schematic view of the structure on the tension coupling bracket;

FIG. 21 is a schematic view of the structure of FIG. 20 in the direction D;

FIG. 22 is a schematic view of the construction of the drive swivel;

FIG. 23 is a schematic structural view taken along line E-E in FIG. 22;

FIG. 24 is a schematic view of the structure of the insulation detecting mechanism;

FIG. 25 is a schematic view of the contact being connected to the contact block;

fig. 26 is a schematic structural view of a rail plate mold.

Detailed Description

As shown in fig. 1, the present invention provides an embodiment of a continuous production complete equipment for prestressed track slabs, which comprises a demolding process equipment, a mold cleaning process equipment, a pre-assembly process equipment and a casting equipment, which are sequentially distributed from front to back, wherein the demolding process equipment comprises a top side bolt detaching mechanism, a tension releasing mechanism and a demolding mechanism, the mold cleaning process equipment comprises a mold cleaning mechanism and a spraying mechanism, the pre-assembly process equipment comprises a pre-embedded sleeve installation mechanism, a steel reinforcement cage mold feeding mechanism, a threading mechanism, a pre-tensioning mechanism, a cushion block releasing mechanism, a tensioning mechanism and an insulation monitoring mechanism, the casting equipment comprises a casting mechanism, a vibrating mechanism and a roughening mechanism, the mechanisms are not shown in fig. 1 one by one, stations corresponding to the mechanisms can be arranged on the whole continuous production line, and the mechanisms are used for performing the operation of each step, it is of course also possible to provide a plurality of mechanisms corresponding to one station, for example, only one station is provided on the demolding procedure equipment, and the top side bolt detaching mechanism, the tension releasing mechanism and the demolding mechanism are all placed on the station for operation.

As shown in fig. 1, in order to connect the mechanisms in series, the invention further comprises two sets of conveying mechanisms I arranged in parallel and used for conveying the molds and a steering conveying mechanism II arranged at one end of the two sets of conveying mechanisms I and used for conveying the molds, the two sets of conveying mechanisms I and the steering conveying mechanism II form a U-shaped conveying line (forming a U shape in a top view state), the demolding process equipment, the mold cleaning process equipment, the pre-assembly process equipment and the pouring equipment are respectively positioned on the conveying line, the conveying line is provided with a plurality of rail plate molds arranged at intervals, one side of the conveying line is provided with at least one water culture pond 14 and a rail plate storage rack 15 positioned at the side of the water culture pond, the prestressed rail plate prepared on the conveying line can be placed in the water culture pond nearby for maintenance, the rail plate can be directly transferred to the rail plate storage rack for storage after maintenance, the rail plate storage rack 15 is a rack body, set up a plurality of mounting grooves on the support body, can put the prestressing force track board that production was accomplished in the mounting groove, significantly reduced transit time and distance, improve labor efficiency and guaranteed product quality. In this embodiment, referring to fig. 1 and 4, the conveying mechanism I includes two rows of support wheel sets arranged in parallel, each row of support wheel set includes a plurality of support wheels 1 arranged at intervals, wherein a friction driving mechanism is installed between some adjacent support wheels, the friction driving mechanism includes a bottom 2, a mounting seat 3 capable of elastically floating up and down is hinged on the base 2, a driving motor 4 is connected on the mounting seat 3, a friction driving wheel 5 is installed on a power output shaft of the driving motor 4, an initial position of the friction driving wheel 5 may be slightly higher than that of the support wheels 1, in this embodiment, one side of the mounting seat 3 is hinged on the base, and the other side is connected with the base through a spring and a guide post, so as to enable the mounting seat 3 to float up and down, and of course, other structures such as an elastic cushion can be adopted to implement the above elastic floating, which is beneficial in that the friction driving wheel can fully contact with the bottom of the mold, in order to drive the advance of the mould. Referring to fig. 5 to 7, the steering conveying mechanism II includes two parallel rails and a support bracket 6 located on the rails, the support bracket 6 is provided with a traveling wheel 8 driven by a motor to travel along the rails, the support bracket 6 is further provided with a tray 7 driven by a lifting power device to lift and support the mold, the lifting power device may be a lifting cylinder, the conveying mechanism is transversely arranged when the rails are defined as longitudinal, the tray is driven by the lifting cylinder to lift the mold and the prestressed track plate, the tray moves longitudinally along the rails, the lifting cylinder drops the tray when the tray moves to the end of the conveying mechanism, and the mold and the prestressed track plate are dropped onto the conveying mechanism and conveyed by the conveying mechanism, or vice versa.

Referring to fig. 1, the other end of the two sets of conveying mechanisms is provided with at least one curing box 10, in this embodiment, a temperature sensor and a steam inlet pipe are arranged in the curing box, an electromagnetic valve is arranged on the steam inlet pipe, the temperature sensor and the electromagnetic valve are both electrically connected with a controller for controlling the temperature in the curing box, the temperature sensor and the steam inlet pipe are not shown in the figure, the specific installation structure of the curing box needs to be designed according to the structure in the curing box, the whole curing box is required to meet the set requirement, namely, the concrete is kept still for more than 3 hours in the interval of 5-30 ℃, then enters the temperature rising interval, the temperature rising rate is not more than 15 ℃/h, then enters the constant temperature interval, the constant temperature time is more than 8 hours, the constant temperature is not more than 45 ℃, and the temperature of the concrete in the core part in the plate is not more than 55 ℃, and finally enters the temperature falling interval, the cooling rate is not more than 10 ℃/h. The curing box 10 is internally provided with a plurality of brackets 101 which are used for placing the prestressed track slabs and are arranged in a layered manner, namely, a plurality of rows and a plurality of columns of brackets 101 are arranged in the curing box, a plurality of tugboats are arranged on the brackets 101 at intervals, and the complete equipment for continuously producing the prestressed track slabs also comprises a transfer trolley 11 which can open the box door of the curing box and simultaneously convey the moulds to the brackets. Referring to fig. 2 and 3, the transfer vehicle includes a transfer vehicle 111, a traveling wheel driven by a motor is mounted on the transfer vehicle, a box opening claw 112 driven by a door opening driving mechanism and used for opening a box door of the curing box is mounted on at least one side portion of the transfer vehicle 111, the door opening driving mechanism is a power cylinder, a lifting bracket 115 driven by a lifting power mechanism is mounted on the transfer vehicle 111, the lifting power mechanism may include a winch 114 connected to the transfer vehicle, a bottom of a pull rope of the winch 114 is connected to the lifting bracket, and the lifting bracket 115 is mounted with a roller and a transfer friction wheel 113 driven by a transfer power machine. Referring to fig. 1, in this embodiment, two curing boxes 10 are provided, the transfer trolley 11 is provided between the two curing boxes, a conveying channel is provided on the curing box 10 at a position corresponding to an end of the conveying mechanism, a transition conveying mechanism for conveying a mold and a track slab poured by the pouring equipment to the transfer trolley is provided on the conveying channel, and the structure of the transition conveying mechanism is the same as that of the conveying mechanism, and will not be described in detail herein. The arrangement of the structure can lead the vibrated mould and the prestressed track board to pass through the conveying channel and be conveyed into the transfer trolley 11 under the driving of the transition conveying mechanism, the lifting bracket on the transfer trolley falls down to connect the mould and the prestressed track board, the transfer trolley drives the connected mould and the prestressed track board to be conveyed onto the bracket 101 through the lifting and the power of the transfer friction wheel, the prestressed track board carries out steam curing in the curing box, and after the curing is finished, the mould and the prestressed track board can be taken out by the transfer trolley 11 and are conveyed into the conveying mechanism I of the demoulding process equipment through the conveying channel to carry out the operation of the next process.

As shown in fig. 8, the present invention provides another embodiment, which has the same basic structure as the above embodiment, except that four curing boxes 10 are provided, and a transfer vehicle is provided between the front and rear curing boxes 10, and the number of the curing boxes may not meet the requirement due to long curing time, so as to ensure continuous production, timely curing of the poured and vibrated prestressed track slab, and further improve efficiency and quality.

The following describes each station equipment in the continuous production complete equipment of the prestressed track slab.

As shown in fig. 9 and fig. 10, the releasing and tensioning mechanism is illustrated in the drawings, and according to the process requirements, the releasing and tensioning mechanism plays a role of simultaneously releasing and tensioning both ends of the same steel bar (loosening the end part of the steel bar from a tensioning rod) and simultaneously releasing and tensioning a plurality of steel bars as much as possible, the releasing and tensioning mechanism comprises a releasing and tensioning frame 1-1, at least one pair of lifting beams 1-2 which are driven by a releasing and tensioning lifter to lift up and down and are oppositely arranged are slidably connected on the releasing and tensioning frame 1-1, two pairs of releasing and tensioning frames 1-3 which are driven by a releasing and tensioning transverse machine to move horizontally along the lifting beams are connected on the lifting beams 1-2, releasing and tensioning combination heads driven by a releasing and tensioning power machine are correspondingly connected on the two opposite releasing and tensioning frames 1-3, namely, a pair of opposite releasing and tensioning combination heads simultaneously clamp two sections of a steel bar for simultaneous releasing and tensioning, the releasing and tensioning combination heads comprise releasing and tensioning shafts 1-4 which are rotatably connected on the releasing and tensioning frame, the tension releasing shaft 1-4 is connected with two driving sleeves 1-5 which rotate along the tension releasing shaft and can slide along the axial direction of the tension releasing shaft in a power mode, the driving sleeves are sleeved together, tension releasing top springs 1-6 are connected between the outer extending end portions of the driving sleeves 1-5 and the tension releasing shaft, end gears are arranged at the inner extending end portions of the two driving sleeves respectively, the threads of the two end face gears are arranged in a staggered mode, the inner extending end portions of the tension releasing shaft are connected with tension releasing driving heads 1-7 in a rotating mode, and driven end gears capable of being meshed with any end face gear are arranged on the outer extending end faces of the tension releasing driving heads 1-7. When the tension releasing mechanism is actuated to release tension, the position of the tension releasing joint corresponds to the position of the tension rod through the lifting of the lifting beam and the inner and outer sliding of the tension releasing frame, the tension releasing driving heads 1-7 can be combined with the special-shaped nuts at the end parts of the tension rod, the tension releasing joint rotates under the driving of the tension releasing power machine, the tension releasing process is realized, the initial rotating positions of the tension releasing driving heads 1-7 at the two ends of the same steel bar can not be staggered by the deviation angle of one tooth of one end face gear through the arrangement of the tension releasing joint structure, and when the tension releasing joint rotates in the driving process, the synchronous release of a plurality of steel bars can be effectively ensured.

As shown in figure 11, the drawing illustrates a demoulding mechanism which is used for demoulding a prefabricated and maintained prestressed track slab from a track mould plate according to the process requirements, the demoulding mechanism comprises at least four supporting oil cylinders 2-1 which are correspondingly arranged at two sides of a conveying mechanism and the piston rods of which can be propped against the lower bottom surface of the track slab mould, the drawing only illustrates the basic outline of the track slab mould and does not express the concrete structure of the track slab mould, at least one demoulding oil cylinder 2-2 is arranged below the central axis of the conveying mechanism, the piston rods of the demoulding oil cylinders can prop up the prestressed track slab in the track slab mould, demoulding supports 2-3 are symmetrically arranged at two sides of the conveying mechanism, a demoulding swing arm 2-4 and a demoulding pressing oil cylinder 2-5 are hinged on the demoulding support 2-3, and a downwards extending demoulding pressure head 2-6 is hinged at the inner end of the demoulding swing arm 2-4, The outer end part of the demoulding pressing cylinder is hinged with a piston rod of the demoulding pressing cylinder, the demoulding pressing head 2-6 comprises a downwards extending demoulding pressing shaft, and the demoulding pressing shaft is connected with a pressing head body, a pressure sensor and a limiting sleeve pipe which are made of elastic materials from bottom to top. When the demolding mechanism is used for demolding, under the driving of the power of the conveying mechanism, the track plate mold is conveyed to a demolding station, the track plate mold is supported through the supporting oil cylinder 2-1, the whole track plate mold can have accurate and stable level through the supporting effect of the supporting oil cylinder, the vertical demolding of the track plate in the later period is facilitated, the prestress track plate in the track plate mold is ejected out through the piston rod of the demolding oil cylinder, in the initial ejection process, the prestress track plate is stably and vertically moved out from the track plate mold through the self pressing effect of the demolding pressure head and the balance pressing effect of the demolding pressure heads, the problems of edge collision and the like caused by the inclination phenomenon are avoided, after the prestress track plate is ejected out, the demolding swing arm is pulled to open through the demolding pressure oil cylinder, and the demolding oil cylinder completely ejects the prestress track plate.

As shown in figures 12, 13 and 14, the die cleaning mechanism is illustrated and used for cleaning the inner cavity of a rail die plate and removing cleaned particles according to process requirements, the die cleaning mechanism comprises a die cleaning frame 3-1 and a die cleaning support frame 3-2 driven by a power machine to slide longitudinally along the die cleaning frame, the bottom of the die cleaning support frame 3-2 is connected with a bottom surface roller brush 3-3 driven by a bottom brush power device to slide transversely and driven by a motor to rotate, the bottom surface roller brush 3-3 comprises a transverse cylindrical support barrel and bristles arranged on the outer circumferential surface of the cylindrical support barrel, two sides of the lower part of the die cleaning support frame 3-2 are connected with side surface roller brushes 3-4 driven by a side brush power device to slide vertically and driven by the motor to rotate, and the front part and the rear part of the die cleaning support frame 3-2 are correspondingly connected with a transverse sliding roller brush power device and a slot brush power device respectively The end face roller brush 3-5 and the groove brush 3-6 are moved and vertically slid and driven to rotate by a motor, and the side face roller brush, the end face roller brush and the groove brush comprise vertically arranged cylindrical support cylinders and brush bristles arranged on the outer circumferential surfaces of the cylindrical support cylinders; the bottom of the mold cleaning support frame 3-2 is also connected with an edge brush 3-7 which is driven by an edge brush power device to slide transversely and vertically and is driven by a motor to rotate, the edge brush 3-7 is provided with a brush rod and a spherical rod head, the brush rod and the rod head are both provided with brush hairs, the bottom of the mold cleaning support frame 3-2 is also connected with a sleeve brush 3-8 which is driven by a sleeve brush power device to slide vertically and is driven by the motor to rotate, the sleeve brush is provided with a cylindrical brush barrel, the inner wall and the bottom surface of the brush barrel are connected with the brush hairs, and the mold cleaning support frame is provided with a dust collection device 3-9 which is used for absorbing dust swept up by each brush. The bottom surface roller brushes are used for cleaning the bottom surface of the track slab mold, the two bottom surface roller brushes are arranged at intervals, so that a grouting hole forming column in the middle can be avoided, the positions of the bottom surface roller brushes directly correspond to the two sides of the track slab mold, and compared with the track slab mold, the bottom surface roller brushes are used for cleaning a large surface and have longer bristles and can be determined at the upper and lower positions, and the roller brushes only need to rotate and move along with the mold cleaning support frame; the side roller brushes are used for cleaning the left inner side face and the right inner side face of the track slab die, the positions of the side roller brushes on the die cleaning support frame correspond to the positions right above the inner side faces of the track slab die, the side roller brushes can be controlled to lift as required, and after the side roller brushes fall, the side roller brushes move back and forth along with the whole die cleaning support frame, so that the two inner side faces of the track slab die are cleaned while the side roller brushes rotate; the end face roller brushes are used for cleaning the front and rear inner end faces of the track slab die, the end face roller brushes can move left and right, up and down and move integrally back and forth when rotating, the two end face roller brushes are arranged, the two end face roller brushes can move in the left and right directions in the opposite direction or in the opposite direction at the same time so as to clean the inner end faces of the track slab die, and the end face roller brushes move along with the die cleaning support frame so as to selectively clean the front end face or the rear end face of the track slab die; the groove brushes are used for cleaning the rail bearing table grooves, the bottom ends of the brush bodies are in a ball head shape, the rail bearing table grooves can be cleaned preliminarily, the positions of the two groove brushes on the frame body respectively correspond to the positions right above the two rows of rail bearing table grooves, the groove brushes can be controlled to lift as required, and by means of the back and forth movement of the whole frame body, the two groove brushes selectively clean one pair of rail bearing table grooves; the edge brush is used for cleaning the edge part inside the rail bearing table groove and sweeping particles adhered in the groove down, and the rail bearing table groove is relatively small, so that the outer diameter of the edge brush is relatively small, the bottom end of a brush body of the edge brush is in a ball head shape, the edge brush can move left and right, up and down and integrally move back and forth while rotating, and all the corner positions inside the rail bearing table groove can be cleaned through accurate and flexible movement; the cover brush is the cover tube-shape, and the inside brush hair that sets up of sleeve, through carrying out lifting control to it, can be accurate with the cover brush cover on the buried sleeve gim peg, rotate through the cover brush, clean buried sleeve gim peg, according to the law of arranging of buried sleeve gim peg, two cover brushes are a set of and respectively set up a set ofly in both sides, slide around through the support body, carry out gradually to cleaning buried sleeve gim peg. Therefore, by arranging the plurality of brush bodies and automatically controlling the brush bodies, all parts of the die can be effectively cleaned, the cleaning effect is good, and the working efficiency is high. In addition, in actual production, two parallel die cleaning support frames 3-2 can be arranged as required, the bottom surface roller brush, the side surface roller brush, the end surface roller brush, the groove brush, the edge brush, the sleeve brush and the corresponding connecting structures can be respectively connected to the two die cleaning support frames 3-2, so that the interference caused by the mutual operation of the bottom surface roller brush, the side surface roller brush, the end surface roller brush, the groove brush, the edge brush and the sleeve brush can be prevented, and the mutual arrangement position relationship can be arranged and installed according to actual conditions. Must produce a large amount of raise dusts and granule in cleaning, in order to improve clean effect, consequently, at the installation dust extraction of mould cleaning support frame, it is specific: dust extraction is including connecting the formula of airing exhaust dust catcher on the clear mould support frame, the air intake connection of the formula of airing exhaust dust catcher has the trunk line, is connected with the bleeder of many flexibilities on the trunk line, and the corresponding position of each brush is introduced respectively to the import of each bleeder, negative pressure formula dust catcher is still installed to the lateral part of clear mould support frame, connects the dust absorption pipe on the air intake of negative pressure formula dust catcher, the entrance connection dust absorption rake head of dust absorption pipe, the rear portion at the clear mould support frame of installing of dust absorption rake head slidable and liftable formula, through the adsorption of exhaust formula dust catcher and dust absorption rake head, can clear away the dust and the granule of sweeping.

As shown in figure 15, the spraying mechanism is illustrated and used for spraying a release agent on an inner cavity of a track mold plate and enabling the sprayed release agent to be uniformly attached to the wall of the inner cavity of the track mold plate, the spraying mechanism comprises a spraying rack 4-1 and a spraying support frame 4-2 driven by a power machine to slide longitudinally along the spraying rack, the bottom of the spraying support frame 4-2 is connected with a bottom surface roller brush driven by a bottom brush power device to slide transversely and driven by a motor to rotate, the bottom surface roller brush comprises a transverse cylindrical support barrel and brush bristles arranged on the outer circumferential surface of the cylindrical support barrel, two sides of the lower part of the spraying support frame 4-2 are connected with side surface roller brushes driven by a side brush power device to slide vertically and driven by the motor to rotate, and the front part and the rear part of the spraying support frame 4-2 are correspondingly connected with a side surface roller brush driven by an end brush power device and a groove brush power device to slide transversely and a vertical sliding device respectively Move and by motor drive pivoted terminal surface roller brush and groove brush, side roller brush, terminal surface roller brush and groove brush all include erect the cylindrical support section of thick bamboo of putting and set up the brush hair on cylindrical support section of thick bamboo outer peripheral surface. The structures of the bottom roller brush, the side roller brush, the end roller brush, the groove brush, the edge brush and the sleeve brush are the same as those of the mold cleaning mechanism, and are not illustrated in detail in the drawings and are not described in detail herein. The front end part of the spraying support frame 4-2 is provided with a transversely arranged support rod 4-3, the support rod 4-3 is provided with a plurality of nozzles arranged downwards at intervals, each nozzle is connected with a release agent conveying pipe through a pipeline, two ends of the support rod 4-3 are rotatably connected to the spraying support frame 4-2, and the spraying support frame 4-2 is provided with a swing driving mechanism for driving the support rod 4-3 to rotate. Specifically, the swing driving mechanism comprises a swing arm 4-4 and an air cylinder 4-5, one end of the swing arm 4-4 is fixedly connected to the end of the support rod 4-3, the other end of the swing arm is hinged to a piston rod of the air cylinder, and the air cylinder 4-5 is hinged to the spraying support frame 4-2. The support rod is rotatably installed, and the spraying angle of the spray head can be adjusted by controlling the rotating angle of the support rod 4-3, so that the corners and the side surfaces of the track slab die can be sprayed in a key mode, and the spraying effect is further ensured. .

As shown in fig. 16, 17 and 18, the embedded casing installation mechanism includes an embedded casing rack 5-1, an embedded casing beam 5-2 driven by a beam driving device to longitudinally slide is installed on the embedded casing rack 5-1, a suspension bracket 5-3 and a cantilever 5-4 driven by a power device to transversely slide are installed on the embedded casing beam 5-2, an embedded casing bracket 5-5 is installed on the suspension bracket 5-3, an embedded casing pick-and-place manipulator 5-6 is installed at the lower part of the cantilever 5-4, and an embedded casing quick fixing device located above the embedded casing pick-and-place manipulator is installed on the cantilever 5-4. The track plate mould is placed below the embedded sleeve frame 5-1, and a plurality of embedded sleeves arranged in rows and columns are placed on the embedded sleeve bracket 5-5. Because the embedded sleeve crossbeam 5-2 can longitudinally slide and the suspension bracket 5-3 can transversely slide, the embedded sleeve bracket 5-5 can longitudinally slide and transversely slide, and can convey the embedded sleeve bracket 5-5 to any working position. The pre-buried sleeve taking and placing mechanical arm 5-6 can longitudinally slide along with the pre-buried sleeve beam 5-2 and transversely slide along with the cantilever 5-4, so that the pre-buried sleeve taking and placing mechanical arm 5-6 can take off the pre-buried sleeve from the pre-buried sleeve bracket 5-5 and sleeve the pre-buried sleeve on the pre-buried sleeve positioning bolt in the track plate mould. After the embedded sleeve is sleeved on the embedded sleeve positioning bolt, the embedded sleeve quick fixing device can quickly fix the embedded sleeve, so that the embedded sleeve is firmly fixed on the embedded sleeve positioning bolt. The suspension arm 5-4 is driven by a suspension arm driving device, the suspension arm 5-4 can be locked by a suspension arm locking device after the suspension arm 5-4 is close to the suspension frame 5-3, the suspension frame 5-3 can move along with the suspension arm 5-4 at the moment, after the suspension frame 5-3 reaches a designated position, the suspension arm locking device can unlock the suspension arm 5-4 and the suspension frame 5-3, the suspension arm 5-4 can move back and forth at the moment, but the suspension frame 5-3 keeps still, no longer moving is needed when the embedded sleeve placing bracket 5 reaches an installation position, but the suspension arm 5-4 needs to move back and forth to take, place and install the embedded sleeve, so the back and forth movement frequency of the suspension arm 5-4 is more, but the back and forth movement frequency of the suspension frame 5-3 is less, the suspension frame 5-3 can move along with the suspension arm 5-4 by adopting the suspension arm locking device, the suspension bracket 5-3 does not need to be provided with a driving device independently, so that the design can be simplified, and the cost can be saved. The inserting column driving device drives the inserting column to move towards one direction and then can be inserted into the slot on the fixed support, so that the fixed support and the follow-up support can be relatively locked, and finally the suspension arm and the suspension frame are in a relatively locked state. The arm locking mechanism has the advantages of simplicity, reliability and automatic control. The arm locking mechanism may be configured in other ways, for example, in another embodiment, the arm locking mechanism includes a manually controllable lock disposed between the suspension arm and the suspension frame, the lock may be configured similar to a door lock, the suspension arm and the suspension frame may be locked by the lock when they are close to each other, and the lock may be unlocked by changing the state of the lock. The quick fixing device for the embedded sleeve comprises a movable column 5-14 which is connected to a cantilever 5-4 and can vertically slide, a hammer 5-7 is arranged at the bottom of the movable column 5-14, a limiting plate 5-8 is connected to the cantilever 5-4, a limiting block 5-9 which extends out of the outer surface of the movable column under the elastic pressure of an elastic part is hinged in the movable column 5-14, two opposite limiting blocks 5-9 are arranged, a hole for the limiting block 5-9 to extend out is arranged on the movable column, the elastic part is a spring 5-10 connected between the two limiting blocks, a driving cylinder 5-11 which can vertically slide and drive the limiting block to retract when moving downwards is sleeved in the movable column 5-14, a driving jacking spring 5-12 which upwards props against the driving cylinder is arranged between the driving cylinder 5-11 and the inner wall of the movable column 5-14, the cantilever is connected with a lifting power cylinder 5-13, a piston rod of the lifting power cylinder 5-13 is positioned in an inner cavity at the upper part of the movable column and can lift the movable column 5-14 when moving upwards and can push the driving cylinder 5-11 when moving downwards, the quick fixing device of the embedded sleeve is used for limiting the movable column 5-14 after the movable column lifting device lifts the movable column 5-14 for a certain height, the movable column 5-14 can freely fall after the limitation is removed, the embedded sleeve is knocked by using the impact force after the movable column 5-14 falls to fix the embedded sleeve, and the height of the movable column 5-14 before the falling is certain, so that the knocking force of the movable column 5-14 to each embedded sleeve is certain, and the installation quality of the embedded sleeve can be ensured. Referring to fig. 8, the movable columns 5-14 are hollow structures, the driving cylinders 5-11 are slidably sleeved in the movable columns 5-14, the movable columns 5-14 can move up and down along through holes in the limiting plates, after the movable columns 5-14 are lifted to a certain height by pulling the power cylinders 5-13, the limiting blocks can extend out of the through holes on the side parts and stop above the limiting plates to prevent the movable columns 5-14 from falling, after the limiting blocks are driven to retract by the springs, the limiting blocks do not block the limiting plates, and the movable columns 5-14 can fall freely. The limiting blocks 5-9 can be hinged on the inner walls of the movable columns 5-14 in an up-and-down swinging mode, can extend out of the side through holes when swinging to a set angle, and can keep the driving cylinders 5-11 away from the limiting blocks 5-9 under the action of the driving top springs 5-12 when the movable columns 5-14 are in a lifting state, and the limiting blocks 5-9 can extend out of the side through holes under the action of the springs 5-10; when the embedded sleeve needs to be fixed, the lifting power cylinder 5-13 drives the driving cylinder 5-11 to descend, the lower edge of the driving cylinder 5-11 presses the limiting block, the limiting block swings to retract into the inner cavity of the movable column 5-14, and the limiting block retracted into the inner cavity of the movable column 5-14 does not have a blocking effect any more, so that the movable column 5-14 can freely fall, the freely falling movable column 5-14 can knock the embedded sleeve to fix the embedded sleeve, and the limiting block driving device realizes automatic triggering and is convenient to control. The pre-buried sleeve is knocked by the knocking contact 51 and the pre-buried sleeve, the knocking contact 51 can be made of elastic materials such as rubber and plastic, the effect on the pre-buried sleeve is softer, and damage to the pre-buried sleeve is avoided. The knocking contacts 51 can also be replaced individually, facilitating maintenance. The pre-buried sleeve taking and placing mechanical arm 5-6 comprises a clamping jaw driving device and two clamping jaws which are oppositely opened and closed and are arranged in pairs under the driving of the clamping jaw driving device, the clamping jaws can be oppositely combined and oppositely opened under the driving of the clamping jaw driving device, and therefore the pre-buried sleeve taking and placing mechanical arm 5-6 is simple and reliable. Of course, the pre-buried sleeve taking and placing mechanical arm 5-6 can also adopt other structural forms, such as a bionic mechanical arm simulating a human hand. The clamping jaw comprises a downward extending support, an upper clamping block is installed on the downward extending support, a downward extending connecting rod is connected to the downward extending support, a V-shaped clamping groove used for clamping the upper end portion of the embedded sleeve is formed in the upper clamping block, and a lower hook which is bent to form the lower end portion used for clamping the lower end portion of the embedded sleeve is arranged at the lower end of the downward extending connecting rod. When the two clamping jaws are combined oppositely, the two upper clamping blocks and the two lower hooks can approach relatively, the two V-shaped clamping grooves clamp the upper end part of the embedded sleeve, and the two lower hooks clamp the lower end part of the embedded sleeve, so that the embedded sleeve is stably clamped.

As shown in fig. 19 to 23, the tensioning mechanism includes a tensioning frame 6-1, the tensioning frame 6-1 is connected with a tensioning sliding frame 6-2 which is arranged on the outer side of two opposite sides of the track slab die and is driven by a power mechanism to synchronously lift, the tensioning sliding frame 6-2 is connected to the tensioning frame 6-1 through a sliding plate and a guide rail, and the sliding connection can be realized by adopting a structure such as a guide sleeve and a guide pillar, the power mechanism includes a vertical lead screw which is connected to the tensioning frame 6-1 and driven by a power machine to rotate, the power machine is a private motor, and the tensioning sliding frame is connected with a nut which is screwed on the vertical lead screw. In order to improve the stability of the stretch-draw frame and the stability of the lift of the stretch-draw sliding frame, in this embodiment, stretch-draw frame 6-1 is roughly square, and it includes four stands, and the stand passes through rag bolted connection subaerial, and the top of two adjacent stands is connected with the connection crossbeam to form stable frame rack structure, four bights of this stretch-draw frame all set up vertical lead screw, set up four lead screws altogether promptly, vertical lead screw rotates to be connected in the stand, sets up four stretch-draw sliding frames that set up relatively altogether, the screw is connected at stretch-draw sliding frame's both ends, and a plurality of private clothes motor synchronous drive lead screws of control rotate promptly through the controller, thereby make the steady lift of stretch-draw sliding frame. The tension sliding frame 6-2 is connected with a tension combination frame 6-3 which is driven by a combination power mechanism to slide inside and outside along the tension rack, and the inside and outside meaning in the invention is as follows: the track plate mold is placed in the middle of the tensioning frame, the portion close to the track plate mold is the inner side of the tensioning frame, the portion far away from the track plate mold is the outer side of the tensioning frame, the tensioning combination frame 6-3 is connected to the tensioning sliding frame 6-2 in a sliding mode, the combination power mechanism comprises a power oil cylinder connected to the tensioning sliding frame 6-2, and the tensioning combination frame 6-3 is in power connection with a piston rod of the power oil cylinder. The tensioning combination frame 6-3 is connected with a jacking rod 6-4 capable of jacking against a track plate mould, two opposite tensioning combination frames 6-3 are correspondingly provided with tensioning frames 6-5 driven by a tensioning power mechanism, namely the tensioning frames positioned at two opposite sides of the track plate mould are oppositely arranged, the two opposite tensioning frames can simultaneously pull two ends of a steel bar, the inner end of each tensioning frame 6-5 is provided with a fixed tensioning claw 6-6 for a special-shaped nut of a tensioning rod on the track plate mould to stretch into, each fixed tensioning claw 6-6 comprises two claw arms correspondingly hinged at two sides of the tensioning frame, and the tensioning combination frame 6-3 is provided with a limit driving device which enables the inner ends of the claw arms to be relatively close when the two claw arms move inwards and enables the inner ends of the claw arms to be far away from each other when the two claw arms move outwards; in this embodiment, the surface of jack catch arm is for being the two planes that the turning form set up, spacing drive arrangement is for connecting spacing post 6-31 on stretch-draw combination frame 6-3, spacing post laminating is on the surface of jack catch arm, during the initial position, stretch-draw power unit orders about stretch-draw frame and inwards slides, the lateral surface of jack catch arm meets the limiting displacement of spacing post and makes the inner of two jack catch arms keep away from each other and be the state of opening (being the state in fig. 21), the special-shaped nut card of stretch-draw pole is gone into between these two jack catch arms, when stretch-draw power unit drive stretch-draw frame 6-5 outwards slides, under the limiting displacement of spacing post 6-31, jack catch arm inner relatively draws close the centre gripping this special-shaped nut when two jack catch arms inwards move, the quick and accurate centre gripping of stretch-draw rod tip has been realized. Naturally, the above-mentioned limit driving device may also adopt the following structure, a corresponding track is arranged on the tension combining frame 6-3, and when the two claw arms of the fixed tension claw move inward and outward, the limit is limited by the track, so that the inner ends of the claw arms relatively approach each other when the two claw arms move inward and the inner ends of the claw arms are away from each other when the two claw arms move outward, which is not described in detail herein. The tensioning frame 6-5 is connected with a tensioning stress monitoring device, the tensioning power mechanism comprises a tensioning oil cylinder 6-8 connected to the tensioning combination frame 6-3, the tensioning stress monitoring device comprises a displacement sensor 6-9 connected to the sliding distance of the tensioning frame 6-5, particularly, the displacement sensor 6-9 is connected between the end part of a piston rod and the outer wall of the tensioning oil cylinder 6-8, a pressure sensor 6-10 is arranged on a piston rod of the tensioning oil cylinder 6-8, particularly, the tensioning oil cylinder 6-8 is a bidirectional driving oil cylinder with the piston rod extending out of two ends of an oil cylinder sleeve, the inner end of the piston rod is connected with the tensioning frame, a ring platform is arranged on the piston rod at the outer end, a screw rod is screwed at the outer end of the piston rod, the pressure sensor is sleeved on the ring platform, and the outer end of the pressure sensor is abutted against the head of the screw rod, through the monitoring of this displacement sensor and pressure sensor, fully guarantee the dynamics of stretch-draw and the extension length of reinforcing bar, guaranteed promptly that the reinforcing bar has suitable prestressing force. And the tensioning combination frame 6-3 is rotatably connected with a driving rotating sleeve 6-7 which is driven to rotate by a locking power device, and the rotation of the driving rotating sleeve 6-7 drives a locking nut on the tensioning rod to rotate and abut against the side wall of the track plate mould. The locking power device comprises a driving sleeve gear 6-12 which is rotationally connected to the tensioning combination frame 6-3 and driven by a power motor 6-11, in the embodiment, the driving sleeve gear is meshed with a driving gear on a power output shaft of the power motor, the outer wall of the driving sleeve 6-7 is in power connection with the driving sleeve gear and can be sleeved on the tensioning rod, and a driving rotating head for driving a locking nut to rotate is arranged at the inner end of the driving rotating sleeve 6-7. The driving rotating sleeve 6-7 comprises a driving rotating head and a driving sleeve, the driving rotating head and the driving sleeve can be sleeved on the tension rod, in the embodiment, the end portion of the driving rotating head is a cross-shaped clamping jaw, a locking nut on the tension rod is a cross-shaped nut, the cross-shaped clamping jaw and the cross-shaped nut are matched to drive the locking nut, the driving rotating head is in power connection with the driving sleeve through an automatic centering structure, the driving sleeve is in power connection with a driving rotating sleeve gear 6-12 through a spline, a driving top spring is arranged between the driving sleeve and the tension combining frame, after the tension is finished, a power motor is started to drive the driving rotating sleeve gear 6-12 to rotate, the driving sleeve is driven to rotate, the driving rotating head drives the locking nut to rotate, the tension rod is fixed with the track slab die, and the pre-tightening force of the reinforcing steel bar is kept. It is known that, because a plurality of criss-cross steel bars should be prefabricated in a prestressed track slab, in the process of combining a plurality of driving swivels and a plurality of locking nuts, the problem of non-concentricity of the driving swivels and the locking nuts is inevitable, and the combination is easy to occur insecurely, in the embodiment, the automatic centering structure comprises two centering studs 6-13 which are screwed at the outer end of the driving swivels and are symmetrical along the driving swivels, an inserting arm which extends into a driving sleeve and corresponds to the centering studs 6-13 is arranged on the driving swivels, the inserting arm is trapezoidal, a saddle is arranged on the driving sleeve, an inserting hole (the inserting hole is also trapezoidal) for inserting the inserting arm is arranged on the saddle, the inserting arm can slide on the saddle along the radial direction of the driving sleeve, the driving swivel is connected with the driving sleeve under the matching of the inserting arm and the saddle, a baffle 6-14 sleeved on the centering stud is arranged at the bottom of the centering stud, and the bottom surface of the baffle abuts against the saddle, the centering top spring 6-15 is arranged between the baffle 6-14 and the head of the centering stud, namely, when the problem that the driving rotating head and the locking nut are not concentric occurs, the driving rotating head enables the driving rotating head to radially slide for a certain distance through a matching structure of the insertion arm and the insertion hole, meanwhile, the centering top spring is compressed until the driving rotating head is combined with the locking nut, and the driving rotating head can rotate at a power mechanism, so that the eccentricity of any angle can be adjusted, the driving rotating head is combined with the locking nut, and the process of driving the locking nut is effectively guaranteed.

As shown in fig. 24 and 25, the insulation detection mechanism includes an insulation detection support frame 7-0, the insulation detection support frame 7-0 is connected with two end insulation detection beams 7-1 and a middle insulation detection beam 7-2 which are driven by a slippage power device to longitudinally slip, the end insulation detection beam 7-1 is connected with a plurality of contact seats 7-3 which are driven by the insulation detection power device to vertically slip, the contact seats 7-3 are provided with first contacts 7-4 which are driven by a detection power device and can be contacted with longitudinal steel bars, and the first contacts of the two end insulation detection beams 7-1 are respectively arranged oppositely; the middle insulation detection beam 7-2 is connected with at least two contact seats 7-3 which are driven by an insulation detection power device and are arranged at intervals, the contact seats 7-3 are connected with second contacts 7-5 which are driven by a detection power device and can be contacted with transverse steel bars, two opposite first contacts 7-4 form a longitudinal pre-detection contact group for detecting one longitudinal steel bar, two second contacts 7-5 which are arranged at intervals form a transverse pre-detection contact group for detecting one transverse steel bar, any first contact and any second contact form a cross point detection contact group for detecting the cross point of the longitudinal steel bar and the transverse steel bar which are contacted with the first contact, the longitudinal pre-detection contact group, the transverse pre-detection contact group and the cross point detection contact group are respectively connected with an insulation detection circuit through leads, the insulation detection circuit comprises a multi-path megohmmeter and a display screen, each contact (including the first contact and the second contact) is connected with one input terminal of the megger through a lead respectively. A plurality of megohmmeters can be adopted to be respectively connected with each contact and respectively display the detection result, the megohmmeters with multi-path input are used for receiving the switching signals of each detection contact, and the switching signals are processed by a single chip microcomputer and then are visually displayed by a display screen. That is, in the detection process, firstly, two first contacts 7-4 (longitudinal pre-detection contact groups) which are opposite clamp two ends of a longitudinal steel bar, and data of a megohmmeter is detected through an insulation detection circuit, namely, whether the first contacts are in good contact with the longitudinal steel bar is detected, and similarly, whether two second contacts (transverse pre-detection contact groups) are in good contact with the transverse steel bar can be detected, and if the problem of poor contact exists, targeted adjustment can be performed; secondly, the plurality of first contacts below one end insulation detection beam 7-1 are respectively contacted with the end parts of the longitudinal steel bars, and are sequentially contacted with the plurality of transverse steel bars through the second contacts, namely, any first contact and any second contact form a cross point detection contact group in actual detection, whether the cross point of the longitudinal steel bar and the transverse steel bar is well insulated or not can be detected through data display of a megohmmeter, and the two end insulation detection beams 7-1 have the advantages that when the middle insulation detection beam 7-2 is moved, a sufficient avoidance space can be generated, namely, when the cross point is detected to be insulated or not, the first contact below any end insulation detection beam 7-1 can be used, and the interference phenomenon can be prevented. In addition, referring to fig. 25, because the upper and lower layers of reinforcing steel bar meshes are arranged in the prestressed track slab, and the contact seat is provided with the two contact yoke plates with one long layer and one short layer, each contact respectively corresponds to the two layers of reinforcing steel bar meshes, because the movement of each contact is firstly reduced to a certain height, and then the contacts are pushed laterally by the air cylinder and contact the reinforcing steel bars, the movement of the contacts on the two layers is not interfered with each other, the two layers of reinforcing steel bars of the reinforcing steel bar cage can be detected simultaneously by one-time displacement, and the detection efficiency is higher.

As shown in fig. 26, the figure only shows a half track slab mold, which is a symmetrical structure, the track slab mold includes a mold body 8-1, the mold body 8-1 has a forming inner cavity, the upper portion of the sidewall of the mold body 8-1 is connected with a reinforcing beam 8-2, a tension rod 8-3 with an end portion extending out of the reinforcing beam is inserted above the sidewall of the mold body 8-1, the extending end portion of the tension rod 8-3 has a special nut, the extending end can be screwed on the reinforcing bar, the tension rod 8-3 is further provided with a threaded section exposed outside the mold body, the threaded section is screwed with a cross nut, the cross nut is used for fixing the tension rod after the tension is finished, the mold body 8-3 is hinged with a plurality of balance arms 8-4 which are arranged at intervals and the top portion is connected to the reinforcing beam, the balance arms 8-4 on two opposite sidewalls of the mold body 8-3 are arranged oppositely, the middle part of the balance arm 8-4 is hinged on the side wall of the mould body through the hinge shaft and the hinge seat, and a balance pull rod 8-5 is connected between the lower parts of the two opposite balance arms. The bottom wall of the inner cavity of the mould body 8-1 is connected with a grouting hole forming device which extends from bottom to top and enables the poured prestressed track slab to form a grouting hole, the grouting hole forming device comprises a lower cushion block 8-7 connected to the inner bottom wall of the mould body, the lower cushion block is provided with a through hole which is communicated up and down, an upper forming sleeve 8-8 hermetically connected with the outer ring of the lower cushion block is inserted on the lower cushion block, the upper forming sleeve is in a cone frustum shape with a large bottom and a small top, the bottom wall of the inner cavity of the mould body 8-1 is also connected with a jacking sleeve 8-6 which can jack up the grouting hole forming device so as to enable the formed prestressed track slab to be demoulded, the top of the jacking sleeve 8-6 is connected with the upper forming sleeve through a bolt and can jack the jacking sleeve through a piston rod of a demoulding oil cylinder, thereby the grouting hole forming device moves from bottom to top, and the demoulding of the prestressed track slab is realized.

The power mechanism or power device in each mechanism may be a motor driving a lead screw and a power transmission structure of a ball lead screw to realize power driving, or may directly use power components such as an air cylinder and an oil cylinder, which are not described in detail herein. According to the description process of the actions, the corresponding action components can be controlled through electrical control.

Referring to fig. 1, the top-side bolt detaching mechanism in the present invention may adopt a bolt detaching machine in the prior art, the tension detaching mechanism may adopt a tension detaching machine in the prior art to detach a tension rod in a track slab mold, the steel reinforcement cage mold entering mechanism may adopt a hoisting device or other manipulator transfer devices in the prior art, and the purpose is to install a bound steel reinforcement cage in the track slab mold, the threading mechanism may adopt a threading machine in the prior art to thread a steel reinforcement, the casting mechanism in the casting device may adopt an existing concrete conveying casting machine, the vibrating mechanism may be implemented by a vibrating machine below the track slab mold, the roughening mechanism may adopt a roughening machine in the prior art to flatten the top surface of the cast concrete, and the above-mentioned devices in the prior art are not described herein one by one.

While the invention has been described with reference to specific exemplary embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims

1. A complete set of equipment for continuously producing prestressed track slabs comprises demoulding process equipment, mould cleaning process equipment, pre-assembly process equipment and pouring equipment which are sequentially distributed from front to back, the device is characterized by also comprising two sets of conveying mechanisms which are arranged in parallel and used for conveying the track plate molds and a steering conveying mechanism which is arranged at one end of the two sets of conveying mechanisms and used for conveying the track plate molds, wherein the two sets of conveying mechanisms and the steering conveying mechanism form a U-shaped conveying line, a plurality of track plate molds which are arranged at intervals are arranged on the conveying line, one side of the conveying line is provided with at least one water culture pond and a track plate storage rack which is arranged at the side of the water culture pond, the other ends of the two sets of conveying mechanisms are provided with at least one maintenance box, a plurality of brackets which are arranged in a layered manner and used for placing the prestressed track plates are arranged in the maintenance box, the complete equipment for continuously producing the prestressed track slab also comprises a transfer trolley which can open the box door of the curing box and simultaneously convey the track slab mould to the bracket; the die cleaning process equipment comprises a die cleaning mechanism and a spraying mechanism, the die cleaning mechanism comprises a die cleaning rack and a die cleaning support frame driven by a power machine to slide longitudinally along the die cleaning rack, the bottom of the die cleaning support frame is connected with a bottom surface roller brush driven by a bottom brush power device to slide transversely and driven by a motor to rotate, the bottom surface roller brush comprises a cylindrical support barrel arranged transversely and bristles arranged on the outer circumferential surface of the cylindrical support barrel, two sides of the lower part of the die cleaning support frame are connected with side surface roller brushes driven by a side brush power device to slide vertically and driven by the motor to rotate, the front part and the rear part of the die cleaning support frame are correspondingly connected with an end surface roller brush and a groove brush driven by an end brush power device and a groove brush power device to slide transversely and driven by the motor to rotate, and the side surface roller brushes, the end surface roller brush and the groove brush comprise vertically arranged cylindrical support cylinders and brush bristles arranged on the outer circumferential surfaces of the cylindrical support cylinders; the bottom of the mold cleaning support frame is also connected with an edge brush which is driven by an edge brush power device to slide transversely and vertically and is driven by a motor to rotate, the edge brush is provided with a brush rod and a spherical rod head, the brush rod and the rod head are both provided with brush hairs, the bottom of the mold cleaning support frame is also connected with a sleeve brush which is driven by a sleeve brush power device to slide vertically and is driven by the motor to rotate, the sleeve brush is provided with a cylindrical brush barrel, the inner wall and the bottom surface of the brush barrel are connected with the brush hairs, and the mold cleaning support frame is provided with a dust suction device for sucking dust swept by each brush; the pre-assembly process equipment comprises a pre-buried sleeve installation mechanism, a steel reinforcement cage mould entering mechanism, a threading mechanism, a pre-tensioning mechanism, a cushion block placing mechanism, a tensioning mechanism and an insulation detection mechanism, wherein the pre-buried sleeve installation mechanism comprises a pre-buried sleeve rack, a pre-buried sleeve beam driven by a beam driving device to longitudinally slide is installed on the pre-buried sleeve rack, a suspension bracket and a cantilever driven by a power device to transversely slide are installed on the pre-buried sleeve beam, a pre-buried sleeve bracket is arranged on the suspension bracket, a pre-buried sleeve taking and placing manipulator is installed at the lower part of the cantilever, a pre-buried sleeve quick fixing device positioned above the pre-buried sleeve taking and placing manipulator is installed on the cantilever, the pre-buried sleeve quick fixing device comprises a movable column which is connected onto the cantilever and can vertically slide, a hammer head is installed at the bottom of the movable column, a limiting plate is connected onto the cantilever, and a limiting block which extends out of the outer surface of the movable column under the elastic pressing action of an elastic component is hinged in the movable column, the movable column is sleeved with a driving cylinder which can vertically slide and drive the limiting block to retract when moving downwards, a driving top spring which is upwards propped against the driving cylinder is arranged between the driving cylinder and the inner wall of the movable column, the cantilever is connected with a lifting power cylinder, and a piston rod of the lifting power cylinder is positioned in an inner cavity at the upper part of the movable column and can lift the movable column when moving upwards and can push the driving cylinder when moving downwards.

2. The continuous production complete equipment of the prestressed track slab as claimed in claim 1, wherein: the conveying mechanism comprises two rows of support wheel sets which are arranged in parallel, each row of support wheel set comprises a plurality of support wheels which are arranged at intervals, and a friction driving mechanism is arranged between part of adjacent support wheels; the friction driving mechanism comprises a base, wherein a mounting seat capable of elastically floating up and down is hinged to the base, a driving motor is connected to the mounting seat, and a friction driving wheel is arranged on a power output shaft of the driving motor; the steering conveying mechanism comprises two parallel rails and a bearing bracket positioned on the rails, wherein the bearing bracket is provided with a walking wheel driven by a motor to walk along the rails, and the bearing bracket is also provided with a tray which is driven by a lifting power device to lift and is used for bearing the mold.

3. The continuous production complete equipment of the prestressed track slab as claimed in claim 1, wherein: the demoulding process equipment comprises a top side bolt detaching mechanism, a releasing mechanism and a demoulding mechanism, wherein the releasing mechanism comprises a releasing frame, the releasing frame is connected with at least one pair of lifting cross beams which are driven by a releasing lifter to lift up and down and are arranged oppositely in a sliding way, the lifting cross beams are connected with a releasing frame which is driven by a releasing cross machine to move horizontally along the lifting cross beams, the two opposite releasing frames are correspondingly connected with releasing and releasing combined heads driven by a releasing power machine, the releasing and releasing combined heads comprise releasing shafts which are rotationally connected on the releasing frame, two driving sleeves which rotate along the releasing shafts and can slide along the axial directions of the releasing shafts are dynamically connected on the releasing shafts, the driving sleeves are sleeved together, a releasing and releasing spring is connected between the outer extending end parts of the driving sleeves and the releasing shafts, the inner extending end parts of the two driving sleeves are respectively provided with end face gears, and the teeth of two end faces of the two driving sleeves are arranged in a staggered way, the inward extending end part of the tension releasing shaft is rotatably connected with a tension releasing driving head, and a driven end face gear which can be meshed with any end face gear is arranged on the outward extending end face of the tension releasing driving head.

4. The continuous production complete equipment of the prestressed track slab as claimed in claim 3, wherein: the demolding mechanism comprises at least four supporting oil cylinders which are correspondingly arranged on two sides of the conveying mechanism and can be propped against the lower bottom surface of the track plate mold through piston rods, at least one demolding oil cylinder and at least four prestress track plates in the track plate mold can be propped up through the piston rods of the demolding oil cylinders are arranged below the central axis of the conveying mechanism, demolding supports are symmetrically arranged on two sides of the conveying mechanism, a demolding swing arm and a demolding pressing oil cylinder are hinged to each demolding support, a downward-extending demolding pressure head is hinged to the inner end portion of the demolding swing arm, the outer end portion of the demolding swing arm is hinged to the piston rod of the demolding pressing oil cylinder, the demolding pressure head comprises a downward-extending demolding pressure shaft, and the demolding pressure shaft is connected with a pressure head body made of elastic materials from bottom to top, a pressure sensor and a limiting sleeve.

5. The continuous production complete equipment of the prestressed track slab as claimed in claim 1, wherein: the spraying mechanism comprises a spraying rack and a spraying support frame driven by a power machine to slide longitudinally along the spraying rack, the bottom of the spraying support frame is connected with a bottom surface roller brush driven by a bottom brush power device to slide transversely and driven by a motor to rotate, the bottom surface roller brush comprises a transverse cylindrical support barrel and brush bristles arranged on the outer circumferential surface of the cylindrical support barrel, two sides of the lower part of the spraying support frame are connected with side surface roller brushes driven by a side brush power device to slide vertically and driven by the motor to rotate, the front part and the rear part of the spraying support frame are correspondingly connected with an end surface roller brush and a groove brush which are driven by an end brush power device and a groove brush power device to slide transversely and vertically and driven by the motor to rotate respectively, and the side surface roller brush, the end surface roller brush and the groove brush comprise vertical cylindrical support barrels and brush bristles arranged on the outer circumferential surface of the cylindrical support barrel; the bracing piece that transversely sets up is installed to the front end of spraying support frame, and a plurality of shower nozzles that set up down are installed at the interval on the bracing piece, and each shower nozzle passes through pipeline and release agent duct connection.

6. The continuous production complete equipment of the prestressed track slab as claimed in claim 1, wherein: the tensioning mechanism comprises a tensioning frame, the tensioning frame is connected with a tensioning sliding frame which is oppositely arranged at the outer sides of two opposite sides of the track plate die and synchronously ascends and descends by the driving of a power mechanism, the tensioning sliding frame is connected with a tensioning combination frame which is driven by the combination power mechanism to slide along the inner side and the outer side of the tensioning frame, the tensioning combination frame is connected with a jacking rod which can be propped against the track plate die, the two opposite tensioning combination frames are correspondingly provided with tensioning frames driven by the tensioning power mechanism, the inner end of the tensioning frame is provided with a fixed tensioning claw for a special-shaped nut of a tensioning rod on the track plate die to stretch into, the tensioning frame is connected with a tensioning stress monitoring device, the tensioning combination frame is rotatably connected with a driving rotating sleeve driven by a locking power device, the locking power device comprises a driving rotating sleeve gear which is rotatably connected to the tensioning combination frame and driven by a power motor, the outer wall of the driving rotating sleeve is in power connection with the driving rotating sleeve gear and can be sleeved on the tension rod, and the inner end of the driving rotating sleeve is provided with a driving rotating head for driving the locking nut to rotate.

7. The continuous production complete equipment of the prestressed track slab as claimed in claim 1, wherein: the insulation detection mechanism comprises an insulation detection support frame, two end insulation detection cross beams and a middle insulation detection cross beam which are driven by a sliding power device to longitudinally slide are connected to the insulation detection support frame, a plurality of contact seats which are driven by the insulation detection power device to vertically slide are connected to the end insulation detection cross beams, first contacts which are driven by a detection power mechanism and can be in contact with longitudinal steel bars are installed on the contact seats, and a plurality of first contacts of the two end insulation detection cross beams are respectively arranged oppositely; the middle insulation detection cross beam is connected with at least two contact seats which are driven by an insulation detection power device and arranged at intervals, the contact seats are connected with second contacts which are driven by a detection power device and can be in contact with transverse steel bars, two opposite first contacts form a longitudinal pre-detection contact group for detecting one longitudinal steel bar, the two second contacts arranged at intervals form a transverse pre-detection contact group for detecting one transverse steel bar, any one of the first contacts and the second contacts form a cross point detection contact group for detecting the cross point of the longitudinal steel bar and the transverse steel bar which are in contact with each other, and the longitudinal pre-detection contact group, the transverse pre-detection contact group and the cross point detection contact group are respectively connected with an insulation detection circuit through wires.

8. The continuous production complete equipment of the prestressed track slab as claimed in any one of claims 1 to 4, wherein: the track slab mould comprises a mould body, wherein the mould body is provided with a forming inner cavity, the upper part of the side wall of the mould body is connected with a stiffening beam, the side wall of the mould body is inserted with a tension rod, the end part of the tension rod extends out of the stiffening beam, the mould body is hinged with a plurality of balance arms which are arranged at intervals and connected with the top part of the stiffening beam, the balance arms on the two opposite side walls of the mould body are arranged oppositely, the middle parts of the balance arms are hinged on the side wall of the mould body through hinge shafts and hinge seats, and the lower parts of the two opposite balance arms are connected with balance pull rods, the bottom wall of the inner cavity of the mould body is connected with a grouting hole forming device which extends from bottom to top and enables a poured prestressed track slab to form a grouting hole, and the bottom wall of the inner cavity of the mould body is further connected with a jacking sleeve which can jack up the grouting hole forming device and enables the molded prestressed track slab to be demoulded.