CN108274607B

CN108274607B - Continuous production complete equipment for prestressed track slab

Info

Publication number: CN108274607B
Application number: CN201810196953.8A
Authority: CN
Inventors: 黄兴启; 张铭真; 廉栋; 王春峰; 张大伟; 高志伟; 苏嘉睿; 尹翔; 周志伟; 焦作坤; 赵浩
Original assignee: Shandong High Speed Railway Construction Equipment Co ltd
Current assignee: Shandong High Speed Railway Construction Equipment Co ltd
Priority date: 2018-03-10
Filing date: 2018-03-10
Publication date: 2022-03-04
Anticipated expiration: 2038-03-10
Also published as: CN108274607A

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, wherein the two sets of conveying mechanisms, a steering conveying mechanism and a curing kiln are arranged in parallel, the steering conveying mechanism is positioned at two ends of the conveying mechanism and is used for conveying track slab moulds, the two sets of conveying mechanisms and the steering conveying mechanism form a rectangular conveying line, a plurality of track slab moulds are arranged on the conveying line at intervals, the demoulding process equipment, the mould cleaning process equipment, the pre-assembly process equipment and the pouring equipment are positioned on one set of conveying mechanism, the other conveying mechanisms are positioned in the curing kiln, and a standing chamber, a temperature raising chamber, a constant temperature chamber and a temperature lowering chamber are sequentially arranged in the curing kiln. 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 a complete set of continuous production equipment for a prestressed track slab, which realizes continuous production and ensures the production quality of the prestressed track slab.

In order to solve the technical problem, the continuous production complete equipment for the prestressed track slab comprises demolding procedure equipment, mold cleaning procedure equipment, pre-assembly procedure equipment and pouring equipment which are sequentially distributed from front to back, and is characterized in that: prestressing force track board serialization production complete sets still includes two set at least transport mechanism, turns to conveying mechanism and maintenance kiln, and many sets of transport mechanism parallel arrangement turn to conveying mechanism and are located the transport mechanism both ends and are used for carrying the track board mould, and conveying mechanism constitutes the transfer chain of rectangle with turning to conveying mechanism, is equipped with a plurality of track board moulds that the interval set up on the transfer chain, drawing of patterns process equipment, clear mould process equipment, subassembly process equipment and pouring equipment are located one set of transport mechanism, and all the other transport mechanism are located the maintenance kiln, set gradually stilling room, heating chamber, thermostatic chamber and cooling chamber in the maintenance kiln.

After adopting above-mentioned structure, through transport mechanism, turn to conveying mechanism's series connection effect, establish ties each equipment organic together, realized circulating production, through the operation of track board mould promptly, the qualified prestressing force track board of continuous production quality through the structure and the position setting of maintenance kiln, no longer need transport the maintenance on a large scale with prestressing force track board, direct maintenance and maintenance back direct storage on the production line have improved labor efficiency greatly. 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 a conveying frame and a guide rail, the track plate mould can slide on the guide rail, a plurality of power push rods are connected to the conveying frame in series, pushing pawls which drive the track plate mould to slide forwards before overturning and can slide backwards away from the track plate mould after overturning are hinged to the power push rods, one of the pushing pawls is driven by a power mechanism, and a station stop rod which is driven by an in-place power mechanism to overturn and then drives the track plate mould to reach an appointed station is hinged to the conveying frame; the steering conveying mechanism comprises two rails arranged in parallel and a supporting bracket capable of sliding along the rails, wherein the bottom of the supporting bracket is provided with a traveling wheel driven by a motor to travel along the rails, the top of the supporting bracket is provided with an upper rail for the rail plate mold trolley to slide, the supporting bracket is also provided with a rail groove frame for a power push rod to insert, and the rail groove frame or the supporting bracket is provided with a plurality of detection switches.

The demoulding process equipment comprises a top side bolt detaching mechanism, a sheet releasing mechanism, a sheet detaching mechanism and a demoulding mechanism, wherein the sheet releasing mechanism comprises a sheet releasing frame, the sheet releasing frame is connected with at least one pair of lifting cross beams which are driven by a sheet releasing lifter to lift up and down and are arranged oppositely in a sliding manner, the lifting cross beams are connected with sheet releasing frames which are driven by a sheet releasing cross machine to move horizontally along the lifting cross beams, the two sheet releasing frames which are arranged oppositely are correspondingly connected with sheet releasing combination heads driven by the sheet releasing machine, each sheet releasing combination head comprises a sheet releasing shaft which is rotationally connected to the sheet releasing frame, the sheet releasing shaft is dynamically connected with at least two driving sleeves which rotate along the sheet releasing shaft and can slide along the axial direction of the sheet releasing shaft, the two driving sleeves are sleeved, an extending end part of each driving sleeve is connected with a sheet releasing top spring between the extending end part of each driving sleeve, the extending end parts of each driving sleeve are respectively provided with an end face gear, and the tooth patterns of two end faces are arranged in a staggered manner, 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 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 of the demolding swing arm, the outer end of the demolding pressure head 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 an elastic material 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 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 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 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.

The tensioning mechanism comprises a tensioning frame, the tensioning frame is connected with tensioning sliding frames which are oppositely arranged on the outer sides of two opposite sides of the track plate die and synchronously lifted and lowered by the driving of a power mechanism, the tensioning sliding frames are connected with tensioning combination frames which are driven by the combination power mechanism to slide inside and outside the tensioning frame, the tensioning combination frames are connected with jacking rods which can be propped against the track plate die, the tensioning frames driven by the tensioning power mechanism are correspondingly arranged on the two opposite tensioning combination frames, the inner ends of the tensioning frames are provided with fixed tensioning claws for the stretching of special-shaped nuts of the tensioning rods on the track plate die, the tensioning frames are connected with tensioning stress monitoring devices, the tensioning combination frames are also provided with inclined pad hammering devices which are driven by the power device to slide up and down and can drive the inclined pads to be hammered between a ring platform of the tensioning rods and a fixed inclined plate of the track plate die, and the inclined pads comprise at least two inclined pad bodies which are connected up and down, the inclined pad body is provided with a long groove for the steel bar to pass through from the bottom.

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.

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 transport mechanism;

FIG. 3 is a schematic view of the structure of the push pawl;

FIG. 4 is a schematic view of a work station lever;

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

FIG. 6 is a schematic view of the structure taken along the direction A in FIG. 5;

FIG. 7 is a schematic view of the structure taken along the direction B in FIG. 5;

FIG. 8 is a schematic structural view of the tension releasing mechanism;

FIG. 9 is a schematic view of the structure of the expansion joint head;

fig. 10 is a schematic structural view of the mold-releasing mechanism;

FIG. 11 is a schematic structural view of a mold cleaning mechanism;

FIG. 12 is a schematic structural view of one of the mold stripping supports in the mold stripping mechanism;

FIG. 13 is a schematic structural view of another mold clearing support frame in the mold clearing mechanism;

FIG. 14 is a schematic view of the structure of the spray mechanism;

FIG. 15 is a schematic structural view of a pre-buried sleeve mounting mechanism;

FIG. 16 is a schematic structural view taken along line C-C in FIG. 15;

fig. 17 is a schematic structural view of a quick fastening device for an embedded casing;

FIG. 18 is a schematic view of the construction of the tensioning mechanism;

FIG. 19 is a schematic view of the structure on the tension coupling bracket;

FIG. 20 is a schematic view of the structure of FIG. 19 in the direction D;

FIG. 21 is a schematic view of the construction of the tilting pad hammering device;

FIG. 22 is a schematic view of the right side view of FIG. 21;

FIG. 23 is a schematic view of the structure of the insulation detecting mechanism;

figure 24 is a schematic view of the contact in connection with the contact block;

fig. 25 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 a prestressed track slab, which includes 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 includes a top side bolt detaching mechanism, a tension releasing mechanism and a demolding mechanism, the mold cleaning process equipment includes a mold cleaning mechanism and a spraying mechanism, the pre-assembly process equipment includes 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 includes a casting mechanism, a vibrating mechanism and a roughening mechanism, 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.

Prestressing force track board serialization production complete sets still includes two set at least transport mechanism, turns to conveying mechanism and maintenance kiln, many sets of transport mechanism parallel arrangement, turns to conveying mechanism and is located the transport mechanism both ends and is used for carrying the track board mould, and two sets of transport mechanism and the transfer chain that turns to the transport mechanism component rectangle are equipped with a plurality of track board moulds that the interval set up on the transfer chain, drawing of patterns process equipment, clear mould process equipment, subassembly process equipment and pouring equipment are located one set of transport mechanism, and all the other transport mechanism are located maintenance kiln 10, have set up four sets of transport mechanism in this embodiment for example, set up the room of standing, temperature rising room, thermostatic chamber and cooling chamber in the maintenance kiln.

As shown in figure 1, in order to connect the mechanisms in series, the invention also comprises two sets of conveying mechanisms I which are arranged in parallel and used for conveying the moulds and a steering conveying mechanism II which is arranged at the two ends of the two sets of conveying mechanisms I and used for conveying the moulds. In this embodiment, referring to fig. 2 and 3, the conveying mechanism includes a conveying frame 1 and a guide rail, the track plate mold can slide on the guide rail, only a cart below the track plate mold is illustrated in the figures, a plurality of power push rods 3 are connected in series on the conveying frame 1, the power push rods 3 can slide back and forth on the conveying frame through rollers, push pawls 4 which drive the track plate mold to slide forward before overturning and can slide backward after overturning are hinged on the power push rods 3, the push pawls 4 are arranged at intervals, preferably two are arranged correspondingly for each station, one of the push pawls is driven by a power mechanism, the power mechanism is a sprocket and a pawl chain connected to the conveying frame, one sprocket is connected with the power mechanism, the push pawl 4 is connected with the chain through a connecting block, referring to fig. 3, the push pawl includes a rod connected to the power push rod, articulated on the pawl pole have the pawl, the middle part of pawl articulates on the pawl pole, its back weight is far more than anterior weight, set up the dog that is used for bearing pawl rear portion below on the pawl pole, the front end perk of pawl and have the push surface of erectting, the push surface offsets with the crossbeam of the bottom of track board mould below dolly, thereby realize promoting the promotion of pawl to the dolly of track board mould, after the promotion, above-mentioned power unit reversal, it retreats to promote the pawl, the last extension section of pawl touches the bottom of track board mould dolly and overturns after, the pawl no longer plays the pushing action to track board mould dolly, it retreats after the certain distance to promote the pawl, prepare for next conveying. Referring to fig. 2 and 4, a station stop rod 5 which is driven by an in-place power mechanism to overturn and then drives the track slab mold to reach an appointed station is hinged on the conveying frame 1, the station stop rod 5 is hinged on the conveying frame, the in-place power mechanism can be an air cylinder or an oil cylinder, before the trolley of the track slab mold is in place, the station stop rod 5 is in an end tilting state under the driving of the air cylinder and can block the trolley of the track slab mold, after the trolley of the track slab mold is in place, the front end of the trolley of the track slab mold is propped against the tilting end of the station stop rod, the tilting end of the station stop rod 5 returns through the pulling of the air cylinder, and the trolley of the track slab mold is accurately positioned in the returning process. Referring to fig. 5 to 7, the steering and conveying mechanism II includes two parallel rails and a support bracket 6 capable of sliding along the rails, a traveling wheel driven by a motor to travel along the rails is installed at the bottom of the support bracket 6, specifically, a motor is installed at one side of the support bracket, the traveling wheel is installed at four corners of the support bracket, the motor is installed with a bidirectional power output shaft, the two power output shafts are respectively connected with a wheel shaft of the traveling wheel through a coupling, an upper rail 7 for sliding of the rail plate mold trolley is installed at the top of the support bracket 6, a rail slot frame 8 for inserting a power push rod is also installed on the support bracket 6, a plurality of detection switches are installed on the rail slot frame 8 or the support bracket 6, the detection switches may include proximity switches and infrared detection sensors, the two rails at the lower portion are installed perpendicular to the conveying direction of the conveying mechanism, the length direction of the upper rail 7 is parallel to the conveying direction of the conveying mechanism, the conveying mechanism in the curing kiln 10 is detected by a detection switch on the track groove frame, the bearing bracket is aligned with the conveying mechanism by the sliding of the bearing bracket 6, the trolley of the track plate mould is conveyed to the bearing bracket 6 by the conveying mechanism, the trolley of the track plate mould is positioned on the upper track, two or three proximity switches can be set, the trolley of the track plate mould is stopped slowly, then a motor at the bottom of the bearing bracket is started, the bearing bracket slides along the track, and the bearing bracket is conveyed to the conveying mechanism provided with a plurality of sets of equipment. The steering conveying mechanism may also have other structures, for example, it includes two parallel rails and a support bracket on the rails, the support bracket is provided with a traveling wheel driven by a motor to travel along the rails, the support bracket is also provided with a tray driven by a lifting power device to lift and support the mold, the lifting power device may be a lifting cylinder, when the rails are defined as longitudinal direction, the conveying mechanism is arranged transversely, the tray is driven by the lifting cylinder to lift the mold and the prestressed track plate, the tray moves longitudinally along the rails, when the tray moves to the end of the conveying mechanism, the lifting cylinder drops the tray, the mold and the prestressed track plate are dropped on the conveying mechanism and conveyed by the conveying mechanism, or vice versa.

Referring to fig. 1, a standing chamber, a heating chamber, a thermostatic chamber and a cooling chamber are arranged in a curing kiln 10, and each independent chamber body is formed in the curing kiln by arranging a partition wall and an isolation structure of a starting door in the curing kiln, in the embodiment, a temperature sensor and a steam inlet pipe are arranged in the curing kiln 10, an electromagnetic valve is arranged on the steam inlet pipe, the temperature sensor and the electromagnetic valve are electrically connected with a controller for controlling the temperature in the curing kiln 10, the temperature sensor and the steam inlet pipe are not shown in the figure, the specific installation structure of the curing kiln needs to be designed according to the structure in a curing box, the whole curing is carried out according with the set requirement, namely, after concrete is poured, the concrete is kept standing for more than 3 hours in an interval of 5-30 ℃, then enters a heating interval, the heating rate is not more than 15 ℃/h, then enters a thermostatic interval, and the thermostatic time is more than 8 hours, the constant temperature is not more than 45 ℃, the temperature of the concrete in the core part of the plate is not more than 55 ℃, and finally the concrete enters a cooling interval, wherein the cooling rate is not more than 10 ℃/h. The track plate mold and the prestressed track plate in the track plate mold pass through each chamber body in the curing kiln through the movement of the conveying mechanism, and after curing is completed, the track plate mold and the prestressed track plate in the track plate mold are conveyed out by the steering conveying mechanism to carry out the operation of the next working procedure.

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

As shown in fig. 8 and 9, the drawing illustrates a releasing and tensioning mechanism, according to the process requirements, the releasing and tensioning mechanism is used for simultaneously releasing and tensioning two ends of the same steel bar (loosening the end 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 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 fig. 10, the drawing illustrates a demoulding mechanism, according to the process requirement, the demoulding mechanism is used for demoulding a prefabricated and maintained prestressed track slab from a track mould slab, 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, 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 support seats 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 seat 2-3, a downwards extending demoulding pressure head 2-6 is hinged at the inner end part of the demoulding swing arm 2-4, and the outer end part is hinged with the piston rod of the demoulding pressing oil cylinder, the demoulding pressure head 2-6 comprises a downwards extending demoulding pressure shaft, and the demoulding pressure shaft is connected with a pressure head body, a pressure sensor and a limiting sleeve 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 11, 12 and 13, 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 brush power device and a slot brush power device to drive the end brush power device and the slot brush power device to slide transversely and rotate 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 per se and move back and forth along with the frame body; 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 frame body 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 the side roller brushes move back and forth along with the whole frame body after falling, so that the two inner side faces of the die are cleaned while rotating; 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 oppositely or oppositely in the left and right 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 integrally back and forth along the frame body 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 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 from generating interference, 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 14, 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 roller brush driven by a bottom brush power device to slide transversely and driven by a motor to rotate, the bottom 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 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 roller brush power device and a groove brush power device to drive transverse sliding and vertical sliding respectively The side surface roller brush, 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 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. 15, 16 and 17, 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 is required 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 no longer has a blocking effect, so that the movable column 5-14 can freely fall, the freely falling movable column 5-14 can knock the embedded sleeve, the embedded sleeve is fixed, 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. 18 to 22, 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 which can be jacked on the track slab die, 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 slab die are oppositely arranged, the two opposite tensioning frames can simultaneously pull two ends of a steel bar, the front end of the tensioning frame 5 is provided with a fixed tensioning claw 6-6 for a special-shaped nut of the tensioning rod on the track slab die to stretch into, the tensioning frame 6-5 comprises a front end plate and a rear end plate, a guide pillar is connected between the front end plate and the rear end plate, the guide pillar is slidably connected on the combination tensioning frame 6-3, the rear end plate is connected with the tensioning power mechanism in a power mode, the fixed tensioning claw 6-6 is connected on the front end plate, the fixed tensioning claw 6-6 comprises a frame body with a containing cavity, the front part of the tensioning frame body is provided with a notch for the tensioning rod to stretch into, the fixed tensioning claw is higher than the tensioning rod through the lifting tensioning sliding frame, the fixed tensioning claw 6-6 is positioned right above the special-shaped nut of the tensioning rod through the translation tensioning combination frame, and then the tensioning sliding frame falls down, so that the special-shaped nut is positioned in the containing cavity of the fixed tensioning claw, and the end part of the tensioning rod is clamped quickly and accurately. Be connected with the tension stress monitoring devices on the stretch-draw frame 6-5, stretch-draw power unit is including connecting the stretch-draw hydro-cylinder 6-8 at stretch-draw joint frame 6-3, the tension stress monitoring devices is including connecting the displacement sensor 6-9 at the distance of sliding of monitoring stretch-draw frame 6-5, and particularly, displacement sensor 6-9 is connected between rear end plate and stretch-draw hydro-cylinder 6-8's outer wall, the piston rod of stretch-draw hydro-cylinder 6-8 is equipped with pressure sensor 6-10 with stretch-draw frame 6-5, through this displacement sensor and pressure sensor's monitoring, fully guarantees the dynamics of stretch-draw and the extension length of reinforcing bar, has guaranteed promptly that the reinforcing bar has suitable prestressing force. The tensioning combination frame 6-3 is also provided with an inclined pad hammering device which is driven by a power device to slide up and down and can hammer the inclined pad 6-7 into a space between the ring platform of the tensioning rod and the fixed inclined plate of the track plate mould, the inclined pad 6-7 comprises at least two inclined pad bodies which are connected up and down, and the inclined pad bodies are provided with elongated slots for the reinforcing steel bars to pass through from the bottoms of the inclined pad bodies. The inclined cushion bodies are connected into a whole through connecting bolts, the uppermost inclined cushion body is provided with a notch extending from bottom to top, the notch is the long groove, the rest inclined cushion bodies are composed of two inclined irons arranged in parallel at intervals, the long groove is formed in the space between the two inclined irons, a vertically arranged anti-rotation rod is connected between the upper and lower adjacent inclined cushion bodies, namely the inclined cushion bodies are connected in series through the bolts, the anti-rotation rod is arranged for preventing the inclined cushion bodies from rotating and deviating, particularly, the inclined cushion body composed of the two inclined irons is arranged, and the two inclined irons can have the same angle and position through the structure. The inclined pad hammering-in device comprises an upper pressing cylinder 6-11 and a lower pressing cylinder 6-12 which are connected to a tensioning combination frame 6-3, a piston rod of the upper pressing cylinder 6-11 is in power connection with a pressing frame 6-13, two upper pressing hammers 6-14 capable of pressing against two sides of the top surface of the inclined pad 6-7 are mounted on the pressing frame 6-13, and a lower pressing hammer 6-15 capable of pressing against the middle of the top surface of the inclined pad 6-7 is mounted on the lower pressing cylinder 6-12.

As shown in fig. 23 and 24, the insulation detection mechanism includes an insulation detection support frame 7-1, the insulation detection support frame 7-1 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 figure 25, the track plate mould comprises a mould body 8-1, the mould body 8-1 is provided with a forming inner cavity, the upper part of the side wall of the mould body 8-1 is connected with a reinforcing beam 8-2, a tension rod 8-3 with the end part extending out of the reinforcing beam is inserted above the side wall of the mould body 8-1, the extending end part of the tension rod 8-3 is provided with a special-shaped nut, the extending end can be screwed on a reinforcing steel bar, the tension rod 8-3 is also provided with a top fixing platform exposed outside the mould body, the outer side of the reinforcing beam is fixedly connected with an inclined pad body 8-9, the inclined pad hammering device can fix the tension rod after being inserted into the inclined pad, the mould body 8-3 is hinged with a plurality of balance arms 8-4 which are arranged at intervals and the top parts of which are connected on the reinforcing beam, the balance arms 8-4 on two opposite side walls of the mould 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 enabling the grouting hole forming device to move from bottom to top and realizing the demoulding of the prestressed track slab.

In addition, 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, the purpose is to install a bound steel reinforcement cage into the track slab mold, the threading mechanism may adopt a threading machine in the prior art to perform threading for a steel reinforcement, the casting mechanism in the casting device may adopt an existing concrete conveying and casting machine 9, the vibrating mechanism may be realized in a manner of 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. The utility model provides a prestressing force track board serialization production complete sets, includes from the drawing of patterns process equipment, the mould cleaning process equipment that distributes in proper order after going to, pre-assembly process equipment and pouring equipment, characterized by: the continuous production complete equipment for the prestressed track slabs further comprises at least two sets of conveying mechanisms, a steering conveying mechanism and a curing kiln, wherein the conveying mechanisms are arranged in parallel, the steering conveying mechanism is arranged at two ends of the conveying mechanism and used for conveying track slab molds, the conveying mechanism and the steering conveying mechanism form a rectangular conveying line, a plurality of track slab molds arranged at intervals are arranged on the conveying line, the demolding process equipment, the mold cleaning process equipment, the pre-assembly process equipment and the pouring equipment are arranged on one set of conveying mechanism, the rest conveying mechanisms are arranged in the curing kiln, and a standing chamber, a heating chamber, a thermostatic chamber and a cooling chamber are sequentially arranged in the curing kiln; 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 crowned rod head, the brush rod and the rod head are both provided with brush hair, 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 hair, and the mold cleaning support frame is provided with a dust suction device for sucking dust swept by each brush; 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.

2. The continuous production complete equipment of the prestressed track slab as claimed in claim 1, wherein: the conveying mechanism comprises a conveying frame and a guide rail, the track plate mould can slide on the guide rail, a plurality of power push rods are connected to the conveying frame in series, pushing pawls which drive the track plate mould to slide forwards before overturning and can slide backwards away from the track plate mould after overturning are hinged to the power push rods, one of the pushing pawls is driven by a power mechanism, and a station stop rod which is driven by an in-place power mechanism to overturn and then drives the track plate mould to reach an appointed station is hinged to the conveying frame; the steering conveying mechanism comprises two rails arranged in parallel and a supporting bracket capable of sliding along the rails, wherein the bottom of the supporting bracket is provided with a traveling wheel driven by a motor to travel along the rails, the top of the supporting bracket is provided with an upper rail for the rail plate mold trolley to slide, the supporting bracket is also provided with a rail groove frame for a power push rod to insert, and the rail groove frame or the supporting bracket is provided with a plurality of detection switches.

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 sheet releasing mechanism, a sheet detaching mechanism and a demoulding mechanism, wherein the sheet releasing mechanism comprises a sheet releasing frame, the sheet releasing frame is connected with at least one pair of lifting cross beams which are driven by a sheet releasing lifter to lift up and down and are arranged oppositely in a sliding manner, the lifting cross beams are connected with sheet releasing frames which are driven by a sheet releasing cross machine to move horizontally along the lifting cross beams, the two sheet releasing frames which are arranged oppositely are correspondingly connected with sheet releasing combination heads driven by the sheet releasing machine, each sheet releasing combination head comprises a sheet releasing shaft which is rotationally connected to the sheet releasing frame, the sheet releasing shaft is dynamically connected with at least two driving sleeves which rotate along the sheet releasing shaft and can slide along the axial direction of the sheet releasing shaft, the two driving sleeves are sleeved, an extending end part of each driving sleeve is connected with a sheet releasing top spring between the extending end part of each driving sleeve, the extending end parts of each driving sleeve are respectively provided with an end face gear, and the tooth patterns of two end faces are arranged in a staggered manner, 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 of which piston rods can prop against the lower bottom surface of the track plate mold, at least one demolding oil cylinder and a 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 of the demolding swing arm, the outer end of the demolding pressure head 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 an elastic material 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 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.

6. The continuous production complete equipment of the prestressed track slab as claimed in any one of claims 1 to 4, wherein: 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.

7. The continuous production complete equipment of the prestressed track slab as claimed in claim 6, wherein: the tensioning mechanism comprises a tensioning frame, the tensioning frame is connected with tensioning sliding frames which are oppositely arranged on the outer sides of two opposite sides of the track plate die and synchronously lifted and lowered by the driving of a power mechanism, the tensioning sliding frames are connected with tensioning combination frames which are driven by the combination power mechanism to slide inside and outside the tensioning frame, the tensioning combination frames are connected with jacking rods which can be propped against the track plate die, the tensioning frames driven by the tensioning power mechanism are correspondingly arranged on the two opposite tensioning combination frames, the inner ends of the tensioning frames are provided with fixed tensioning claws for the stretching of special-shaped nuts of the tensioning rods on the track plate die, the tensioning frames are connected with tensioning stress monitoring devices, the tensioning combination frames are also provided with inclined pad hammering devices which are driven by the power device to slide up and down and can drive the inclined pads to be hammered between a ring platform of the tensioning rods and a fixed inclined plate of the track plate die, and the inclined pads comprise at least two inclined pad bodies which are connected up and down, the inclined pad body is provided with a long groove for the steel bar to pass through from the bottom.

8. The continuous production complete equipment of the prestressed track slab as claimed in claim 6, 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.