CN210917044U - UHPC concrete full-section slip form paving equipment - Google Patents
UHPC concrete full-section slip form paving equipment Download PDFInfo
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- CN210917044U CN210917044U CN201921647307.5U CN201921647307U CN210917044U CN 210917044 U CN210917044 U CN 210917044U CN 201921647307 U CN201921647307 U CN 201921647307U CN 210917044 U CN210917044 U CN 210917044U
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- 239000011374 ultra-high-performance concrete Substances 0.000 title claims abstract description 99
- 239000004567 concrete Substances 0.000 title claims abstract description 71
- 239000000463 material Substances 0.000 claims abstract description 66
- 238000010409 ironing Methods 0.000 claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 230000007480 spreading Effects 0.000 claims abstract description 17
- 238000003756 stirring Methods 0.000 claims description 59
- 238000007599 discharging Methods 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 17
- 230000008569 process Effects 0.000 abstract description 17
- 238000010276 construction Methods 0.000 abstract description 10
- 230000005540 biological transmission Effects 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 238000005086 pumping Methods 0.000 description 4
- 241000237858 Gastropoda Species 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000005204 segregation Methods 0.000 description 2
- 206010000372 Accident at work Diseases 0.000 description 1
- 239000004606 Fillers/Extenders Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Abstract
The utility model discloses UHPC concrete full-section slip form paving equipment, which comprises a frame, a power system and an operation control system, wherein the power system and the operation control system are used for providing power, the frame is provided with a walking device, and the UHPC concrete full-section slip form paving equipment also comprises a material distribution device, a material spreading device and an ironing plate device; the distributing device is arranged at the front end of the frame in the advancing direction and comprises a distributing groove, and a first spiral distributing device and a second spiral distributing device which are parallel to each other are arranged in the distributing groove; a plurality of discharge ports are arranged at the bottom of the distributing groove along the radial direction; the material spreading device is arranged below the material distributing device and comprises a reciprocating mechanism and a guide plate. The paving equipment is integrated, the material distribution process and the paving and leveling process are synchronously carried out, the UHPC leveling process is completed in the best UHPC state, the continuity of mechanical construction is realized, the manual intervention is reduced, and the integrity and the flatness of the paved UHPC are ensured.
Description
Technical Field
The utility model relates to a steel bridge deck pavement UHPC technical field especially relates to a UHPC concrete full-section slipform equipment of paving.
Background
Ultra High Performance Concrete (UHPC) has recently emerged as an application in bridge deck pavements, which have the following advantages. The coating belongs to inorganic materials, is less influenced by weather and has better weather resistance; secondly, the strength is high, the compressive strength is more than 120MPa, the bending tensile strength is more than 20MPa, the elastic modulus is more than 44GPa, partial load can be well shared, the toughness is good, and the UHPC thin layer has large deformation and cannot be broken; fourthly, shear nails are arranged in the UHPC pavement layer and form a whole with the steel plate, the structure has very strong shear resistance and can not be damaged by shearing basically; fifthly, the fatigue resistance is good.
The UHPC material distribution and paving process in the market comprises an automatic material distributor and pumping manual material distribution, and due to the characteristic of high fluidity of the UHPC, the automatic material distributor mostly adopts blanking at spaced blanking ports, and the UHPC flows to the periphery to form paving surfaces; the UHPC is poured on a working surface by adopting a trolley or a pumping mode for manual distribution, the UHPC flows and spreads in a short time, and then the UHPC is manually leveled. Because the existing construction process has independent paving equipment, leveling equipment and the like, the coordination work difficulty is high, the work flow is discontinuous, and the inconvenience is brought to the rapid construction of the UHPC.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention is directed to solving, at least to some extent, one of the above problems; therefore, the UHPC concrete full-section slip-form paving equipment is provided, and a single machine realizes the process links of material receiving, stirring, material distribution, paving, tamping, ironing and the like so as to solve the problem of long construction period caused by low paving speed.
The technical scheme of the utility model is realized like this:
a UHPC concrete full-section slip form paving device comprises a rack, a power system for providing power, an operation control system, a material distributing device, a material spreading device and a screed plate device, wherein the rack is provided with a walking device;
the distributing device is arranged at the front end of the frame in the advancing direction and comprises a distributing groove, a first spiral distributing device and a second spiral distributing device which are parallel to each other are arranged in the distributing groove, and the spiral directions of the first spiral distributing device and the second spiral distributing device are opposite; a plurality of discharge ports are arranged at the bottom of the distributing groove along the radial direction; UHPC concrete is fully distributed in the distributing chute and discharged from the discharge hole;
the material spreading device is arranged below the material distributing device and comprises a reciprocating mechanism and a guide plate, the guide plate is arranged below a discharge hole of the material distributing groove, and the reciprocating mechanism drives the guide plate to do reciprocating motion which swings left and right relative to the advancing direction; the guide plate is used for carrying the UHPC concrete discharged from the discharge hole and uniformly paving the UHPC concrete;
the screed plate device is arranged on the machine frame and is used for tamping and ironing UHPC concrete paved by the material spreading device.
As a further alternative of the UHPC concrete full-section slip-form paving equipment, the paving equipment further comprises a stirring and distributing device, the stirring and distributing device comprises a receiving box, a stirring mechanism is arranged in the receiving box, the bottom of the receiving box is connected with a plurality of distributing pipes, and the discharging ends of the distributing pipes are uniformly distributed on the distributing groove.
As a further alternative of the UHPC concrete full-section slip-form paving equipment, the stirring mechanism comprises a first stirring shaft and a second stirring shaft which are arranged in the material receiving box, the first stirring shaft and the second stirring shaft are both provided with stirring arms, and the stirring arms are provided with stirring blades; the first driving device is arranged outside the material receiving box and is in driving connection with the first stirring shaft and the second stirring shaft.
As a further alternative of the UHPC concrete full-section sliding-mode paving equipment, a first spiral material distributor of the material distribution device is connected with a second driving device, and the second spiral material distributor is connected with a third driving device; the first spiral distributing device and the second spiral distributing device are shaftless spirals; each discharge port is provided with a control valve.
As a further alternative of the UHPC concrete full-section slip-form paving equipment, a protective net cover is arranged at a feeding hole above the distributing chute.
As a further alternative of the UHPC concrete full-section slip-form paving device, the reciprocating mechanism of the paving device includes a swing bracket and a fourth driving device, the swing bracket and the fourth driving device are connected through a connecting rod to form a crank-connecting rod mechanism, the upper end of the swing bracket is hinged to the frame or the distribution chute, the guide plate is arranged on the swing bracket, and the fourth driving device drives the swing bracket to reciprocate.
As a further alternative of the UHPC concrete full-section slip-form paving equipment, the swing bracket comprises a plurality of L-shaped swing beams arranged side by side, and the upper ends of the swing beams are hinged to the frame or the distribution chute; the lower end of the swinging beam is hinged on the guide plate.
As a further alternative to the UHPC concrete full-face slip-form paving apparatus, the power system comprises an engine, a transfer case and a hydraulic system, and provides hydraulic power to the paving apparatus.
As a further alternative of the UHPC concrete full-face slip-form paving apparatus, the screed device comprises an ironing plate suspended below the machine frame, and an ironing base plate is arranged at the bottom of the ironing plate; the ironing plate frame is provided with a rammer vibrator and a demoulding vibrator; the rammer vibrator is driven by a rammer vibrating drive motor, and the demolding vibrator is driven by a vibrating drive motor; one side of the rammer vibrator is provided with a rammer guard plate.
As a further alternative of the UHPC concrete full-section slip-form paving equipment, the running gear is a crawler-type running gear.
The beneficial effects of the utility model are that: the paving equipment is modularized and integrated, and a material distribution process and a paving and leveling process are synchronously carried out to complete a UHPC leveling process in an optimal state of UHPC, so that the continuity of mechanized construction is realized, the manual intervention is reduced, and the integrity and the flatness of the paved UHPC are ensured; in the UHPC material distribution process, a shaftless screw is arranged in the material distribution groove, the UHPC mixture is uniformly stirred, the segregation of the UHPC in the transportation and pumping process is avoided, meanwhile, a certain amount of UHPC mixture can be pre-stored in the material distribution groove, and the continuous construction of concrete is ensured; the UHPC paving speed is accelerated, the construction period is effectively shortened, and the labor cost is reduced to a certain extent.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of a UHPC concrete full-section slip-form paving device of the present invention;
FIG. 2 is a schematic side view of a UHPC concrete full-face slip-form paving apparatus of the present invention;
fig. 3 is a schematic structural view of the stirring and distributing device of the present invention;
fig. 4 is a schematic top view of the stirring and distributing device of the present invention;
fig. 5 is a schematic top view of the material distribution device of the present invention;
fig. 6 is a side sectional view of the distributing device of the present invention;
fig. 7 is a schematic structural view of the material spreading device of the present invention;
fig. 8 is a schematic structural view of the screed apparatus according to the present invention;
fig. 9 is a schematic structural view of the screed plate extension plate of the present invention.
In the figure: 100. a frame; 110. a right main beam; 120. a left main beam; 130. a front cross member; 140. a rear cross member; 150. hanging the beam skeleton; 200. a traveling device; 300. a power system; 400. operating the control system; 500. a material distribution device; 510. a distributing chute; 520. a first spiral distributor; 530. a second spiral distributor; 540. a second driving device; 550. a third driving device; 560. a discharge port; 570. a control valve; 580. a protective mesh cover; 590. a wear-resistant bushing; 600. a material spreading device; 610. a baffle; 620. a swing bracket; 630. a fourth drive device; 640. a connecting rod; 700. a stirring and distributing device; 710. a material receiving box; 720. a stirring mechanism; 721. a first driving device; 722. a driving transmission gear; 723. a driven transmission gear; 724. a first stirring shaft; 725. a second stirring shaft; 726. a stirring arm; 727. a stirring paddle; 728. a bearing; 729. a coupling; 800. a screed plate arrangement; 810. an ironing board frame; 820. ironing the soleplate; 830. a ram vibrator; 831. vibrating the eccentric mechanism; 840. demoulding vibrator; 850. a ram vibrates the drive motor; 860. a vibration driving motor; 870. a rammer guard plate; 880. and reinforcing the stay bar.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "above," and "over" a second feature may mean that the first feature is directly above or obliquely above the second feature, or that only the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
Referring to fig. 1-8, the present invention shows a UHPC concrete full-section sliding formwork paving apparatus, which comprises a frame 100, a power system 300 for providing power, and an operation control system 400, wherein the frame 100 is provided with a walking device 200, a distributing device 500, a spreading device 600, and a screed device 800;
the distributing device 500 is arranged at the front end of the machine frame 100 in the advancing direction, the distributing device 500 comprises a distributing chute 510, a first spiral distributing device 520 and a second spiral distributing device 530 which are parallel to each other are arranged in the distributing chute 510, and the spiral directions of the first spiral distributing device 520 and the second spiral distributing device 530 are opposite; a plurality of discharge holes 560 are radially arranged at the bottom of the distributing trough 510; UHPC concrete is filled in the distributing chute 510 and discharged from the discharging port 560;
the material spreading device 600 is arranged below the material distributing device 500, the material spreading device 600 comprises a reciprocating mechanism and a guide plate 610, the guide plate 610 is arranged below the discharge hole 560 of the material distributing groove 510, and the reciprocating mechanism drives the guide plate 610 to do reciprocating motion which swings left and right relative to the advancing direction; the guide plate 610 loads the UHPC concrete discharged from the discharge hole 560 and uniformly paves the UHPC concrete;
the screed plate device 800 is disposed on the machine frame 100, and the screed plate device 800 tamps and screeds the UHPC concrete spread by the spreader 600.
Specifically, the paving equipment can meet the requirement that the single-width paving width of the bridge deck reaches 15 meters, and the UHPC paving efficiency on the bridge deck is greatly improved. The UHPC concrete is provided for the paving equipment by utilizing equipment such as a vehicle-mounted concrete pump truck or a river snail truck, after the UHPC concrete enters a certain point in the distributing trough 510, the UHPC concrete is quickly distributed in the whole distributing trough 510 through the first spiral distributing device 520 and the second spiral distributing device 530, and the UHPC concrete is stirred in the process; then, the UHPC concrete in the distribution trough 510 flows out from the discharge hole 560 and falls onto the guide plate 610, and the reciprocating mechanism of the material spreading device 600 drives the guide plate 610 to perform reciprocating motion of left-right swinging, so that the UHPC concrete can be uniformly spread on the bridge deck; the UHPC concrete is then compacted and ironed by the screed apparatus 800. The distributing chute 510 can play a transfer role, can store UHPC concrete with the thickness of more than 3m3, and can enable the paving equipment to continuously work even when equipment such as a vehicle-mounted concrete pump truck or a river snail truck is switched. The paving apparatus may be used with an existing screed apparatus 800.
Therefore, the paving equipment is modularized and integrated, and the material distribution process and the paving and leveling process are synchronously carried out to complete the UHPC leveling process in the optimal state of UHPC, so that the continuity of mechanical construction is realized, the manual intervention is reduced, and the integrity and the flatness of the paved UHPC are ensured; in the UHPC material distribution process, a shaftless screw is arranged in the material distribution tank 510 to uniformly stir the UHPC mixture, so that the segregation of the UHPC in the transportation and pumping processes is avoided, and meanwhile, a certain amount of UHPC mixture can be pre-stored in the material distribution tank 510, thereby ensuring the continuous construction of concrete; the UHPC paving speed is accelerated, the construction period is effectively shortened, and the labor cost is reduced to a certain extent.
In some specific embodiments, referring to fig. 1 and 3, the paving apparatus further includes a stirring and material distributing device 700, the stirring and material distributing device 700 includes a receiving box 710, a stirring mechanism 720 is disposed in the receiving box 710, the bottom of the receiving box 710 is connected with a plurality of material distributing pipes, and discharge ends of the plurality of material distributing pipes are uniformly distributed on the material distributing groove 510. Briefly, UHPC concrete is supplied to the material receiving box 710 through a pump pipe by utilizing equipment such as a vehicle-mounted concrete pump truck or a river snail truck, the UHPC concrete is stirred by the stirring mechanism 720 in the material receiving box 710, the problem of steel fiber syntropy in the UHPC concrete when the UHPC concrete is pumped can be solved, the UHPC concrete is stirred by the stirring device, steel fibers tending to syntropy are disordered, and cracks of a road surface made of the UHPC due to the steel fiber syntropy are avoided. In addition, the UHPC concrete is distributed to different positions in the material distribution groove 510 by using a plurality of material distribution pipes, so that the speed of the UHPC concrete for distributing the whole material distribution groove 510 is further increased, and when the paving width is large, whether the UHPC concrete can be uniformly paved or not is seriously influenced.
In some specific embodiments, in order to achieve better stirring effect, referring to fig. 4, the stirring mechanism 720 includes a first stirring shaft 724 and a second stirring shaft 725 disposed in the receiving box 710, a stirring arm 726 is disposed on each of the first stirring shaft 724 and the second stirring shaft 725, and a stirring blade 727 is disposed on each stirring arm 726; a first driving device 721 is arranged outside the material receiving box 710, and the first driving device 721 is in driving connection with the first stirring shaft 724 and the second stirring shaft 725.
Specifically, the first stirring shaft 724 and the second stirring shaft 725 are connected with the material receiving box 710 through a bearing 728, a driving transmission gear 722 is arranged on the first stirring shaft 724, a driven transmission gear 723 is arranged on the second stirring shaft 725, the driving transmission gear 722 is meshed with the driven transmission gear 723, and the first driving device 721 is connected with the first stirring shaft 724 through a coupler 729; when the first driving device 721 drives the first stirring shaft 724 to rotate, the second stirring shaft 725 follows the rotation. The first driving device 721 may be a driving unit such as a hydraulic motor or an electric motor.
In some specific embodiments, referring to fig. 5 or fig. 6, the first spiral material distributor 520 of the material distribution device 500 is connected to a second driving device 540, and the second spiral material distributor 530 is connected to a third driving device 550; the first spiral distributor 520 and the second spiral distributor 530 are shaftless spirals; each of the discharge ports 560 is provided with a control valve 570. Thus, the first spiral distributor 520 and the second spiral distributor 530 are controlled independently and do not affect each other, and even if the UHPC concrete is dropped only at one end of the distribution chute 510, the UHPC concrete can be distributed in the whole distribution chute 510 quickly. It should be noted that the second driving device 540 and the third driving device 550 may be driving units such as a hydraulic motor, an electric motor, etc., and may also include a frequency converter, so that a worker may timely select to turn on the first spiral distributor 520 or/and the second spiral distributor 530, and rotate forward/backward according to the distribution condition of the UHPC concrete in the distribution chute 510; adjusting the rotation rate, etc., including the entire distribution chute 510 filled with UHPC concrete.
Wherein the number of control valves 570 can be selectively opened according to the actual paving width, so that only a part of the discharge ports 560 flow out of the UHPC concrete, and then the paving width is adjusted.
In addition, in actual work, the worker stands on the machine frame 100 to use the operation control system 400, in order to avoid the worker from accidentally falling into the material distribution groove 510 to cause industrial accidents, the feed inlet above the material distribution groove 510 is provided with a protection net cover 580, the protection net cover 580 is provided with a plurality of meshes, UHPC concrete can pass through the meshes, and the worker cannot pass through the meshes, so that the situation that the worker falls into the material distribution groove 510 is avoided. Wear-resisting bush 590 can be established to the distributing chute 510 inner wall, avoids the distributing chute 510 wearing and tearing hole easily and revealing UHPC concrete.
In some specific embodiments, referring to fig. 2 and 7, the reciprocating mechanism of the spreading device 600 includes a swing bracket 620 and a fourth driving device 630, the swing bracket 620 and the fourth driving device 630 are connected through a connecting rod 640 and form a crank-connecting rod 640 mechanism, the upper end of the swing bracket 620 is hinged to the frame 100 or the distribution chute 510, the guide plate 610 is disposed on the swing bracket 620, and the fourth driving device 630 drives the swing bracket 620 to reciprocate. The swing bracket 620 comprises a plurality of L-shaped swing beams arranged side by side, and the upper ends of the swing beams are hinged on the rack 100 or the distribution chute 510. The fourth driving device 630 may be a driving unit such as a hydraulic motor, an electric motor, etc.; the oscillating frequency of the guide plate 610 is adjusted by controlling the rotation speed of the fourth driving means 630, and the oscillating amplitude of the guide plate 610 is adjusted by setting the eccentric distance of the link 640 on the fourth driving means 630. In addition, the number of the L-shaped swing beams can be determined according to the actual paving width, so that the width of the swing bracket 620 and then the width of the guide plate 610 can be adjusted.
In some specific embodiments, referring to fig. 1 and 2, the rack 100 includes a right main beam 110 and a left main beam 120 arranged side by side, a front cross beam 130 and a rear cross beam 140 are arranged between the right main beam 110 and the left main beam 120, and a plurality of suspension beams 150 are arranged below the front cross beam 130 and the rear cross beam 140. The running gear 200 is provided at the ends of the right and left main beams 110 and 120. In addition, the walking device 200 comprises a walking crawler, an elevation direction control device and the like, wherein the elevation direction control device is used for controlling the forming thickness of UHPC concrete, and the prior art can be referred to, for example, a system and a device with the publication number of CN108842574A for automatically controlling the elevation of the forming surface of the ultrahigh-performance concrete. Also, the powertrain 300 includes an engine, transfer case, and hydraulic system to provide hydraulic power to the paving apparatus.
In some specific embodiments, referring to fig. 8, the ironing board apparatus 800 includes an ironing board frame 810 suspended below the machine frame 100, and an ironing board 820 is provided at the bottom of the ironing board frame 810; the ironing plate frame 810 is provided with a rammer vibrator 830 and a demoulding vibrator 840; the ram vibrator 830 is driven by a ram vibration driving motor 850, and the stripper vibrator 840 is driven by a vibration driving motor 860; a rammer guard 870 is disposed on one side of the rammer vibrator 830. In addition, the ironing board 820 may include an ironing board main board disposed at the middle of the bottom of the ironing board frame 810, and ironing board lengthening boards are disposed at both sides of the ironing board main board; in this way the ironing width can be adjusted. The ram vibrator drive motor 850 vibrates the ram vibrator 830 up and down by the vibrating eccentric mechanism 831. The screed main plate may be provided in a 3 meter format, and the screed extender plate may include 1.5 meter, 1 meter, 0.5 meter, and 0.25 meter formats; the screed main plate is assembled in the paving width middle position for convenient supply, wherein the vibrating eccentric mechanism 831 is disposed on the screed main plate, as shown in fig. 9, and the shorter screed lengthening plate (such as 0.5 and 0.25 specification) is not provided with the vibrating eccentric mechanism 831, but is connected to drive through the adjacent ram vibrator 830. The length of the ironing base plate 820 is determined according to the paving width requirement, and the working frequency of the rammer vibrator 830 and the demoulding vibrator 840 can be adjusted according to the working requirement by adjusting the driving of the rammer vibrating driving motor 850 and the driving of the vibrating driving motor 860, thereby realizing stepless adjustment. In addition, referring to fig. 2, the screed plate 810 is further connected to the frame 100 by a plurality of reinforcing struts 880, increasing the stability of the screed plate apparatus 800.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A UHPC concrete full-section slip form paving device comprises a rack, a power system for providing power and an operation control system, wherein the rack is provided with a walking device, and the UHPC concrete full-section slip form paving device is characterized by also comprising a material distribution device, a material spreading device and an ironing plate device;
the distributing device is arranged at the front end of the frame in the advancing direction and comprises a distributing groove, a first spiral distributing device and a second spiral distributing device which are parallel to each other are arranged in the distributing groove, and the spiral directions of the first spiral distributing device and the second spiral distributing device are opposite; a plurality of discharge ports are arranged at the bottom of the distributing groove along the radial direction; UHPC concrete is fully distributed in the distributing chute and discharged from the discharge hole;
the material spreading device is arranged below the material distributing device and comprises a reciprocating mechanism and a guide plate, the guide plate is arranged below a discharge hole of the material distributing groove, and the reciprocating mechanism drives the guide plate to do reciprocating motion which swings left and right relative to the advancing direction; the guide plate is used for carrying the UHPC concrete discharged from the discharge hole and uniformly paving the UHPC concrete;
the screed plate device is arranged on the machine frame and is used for tamping and ironing UHPC concrete paved by the material spreading device.
2. The UHPC concrete full-section slip-form paving equipment as claimed in claim 1, characterized in that the paving equipment further comprises a stirring and distributing device, the stirring and distributing device comprises a receiving box, a stirring mechanism is arranged in the receiving box, the bottom of the receiving box is connected with a plurality of distributing pipes, and the discharging ends of the distributing pipes are uniformly distributed on the distributing groove.
3. The UHPC concrete full-section slip-form paving equipment as claimed in claim 2, wherein the stirring mechanism comprises a first stirring shaft and a second stirring shaft arranged in the material receiving box, the first stirring shaft and the second stirring shaft are both provided with stirring arms, and the stirring arms are provided with stirring blades; the first driving device is arranged outside the material receiving box and is in driving connection with the first stirring shaft and the second stirring shaft.
4. The UHPC concrete full-face sliding-form paving equipment according to the claim 1, characterized in that a first spiral distributor of the distributing device is connected with a second driving device, and the second spiral distributor is connected with a third driving device; the first spiral distributing device and the second spiral distributing device are shaftless spirals; each discharge port is provided with a control valve.
5. The UHPC concrete full-face slip-form paving device as claimed in claim 4, wherein a feed inlet above the distribution chute is provided with a protective mesh cover.
6. The UHPC concrete full-section sliding-die spreading equipment as claimed in claim 1, wherein the reciprocating mechanism of the spreading device comprises a swing bracket and a fourth driving device, the swing bracket and the fourth driving device are connected through a connecting rod and form a crank-link mechanism, the upper end of the swing bracket is hinged on the frame or the distribution chute, the guide plate is arranged on the swing bracket, and the fourth driving device drives the swing bracket to reciprocate.
7. The UHPC concrete full-face slipform paving apparatus of claim 6, wherein the swing bracket comprises a plurality of L-shaped swing beams arranged side by side, the upper ends of the swing beams are hinged on the frame or the distribution chute; the lower end of the swinging beam is hinged on the guide plate.
8. The UHPC concrete full-face slip-form paving apparatus of claim 1 wherein the power system comprises an engine, a transfer case and a hydraulic system to provide hydraulic power to the paving apparatus.
9. The UHPC concrete full-face slipform paving apparatus of claim 1, wherein the screed means comprises an ironing board suspended below the frame, the bottom of the ironing board being provided with an ironing base plate; the ironing plate frame is provided with a rammer vibrator and a demoulding vibrator; the rammer vibrator is driven by a rammer vibrating drive motor, and the demolding vibrator is driven by a vibrating drive motor; one side of the rammer vibrator is provided with a rammer guard plate.
10. The UHPC concrete full-face slipform paving apparatus according to claim 1, wherein the deflector is an obliquely disposed curved or flat plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921647307.5U CN210917044U (en) | 2019-09-30 | 2019-09-30 | UHPC concrete full-section slip form paving equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921647307.5U CN210917044U (en) | 2019-09-30 | 2019-09-30 | UHPC concrete full-section slip form paving equipment |
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| CN210917044U true CN210917044U (en) | 2020-07-03 |
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| CN201921647307.5U Active CN210917044U (en) | 2019-09-30 | 2019-09-30 | UHPC concrete full-section slip form paving equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113529542A (en) * | 2021-07-30 | 2021-10-22 | 陈妙兵 | Be applied to municipal road bridge and lay sealing device |
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2019
- 2019-09-30 CN CN201921647307.5U patent/CN210917044U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113529542A (en) * | 2021-07-30 | 2021-10-22 | 陈妙兵 | Be applied to municipal road bridge and lay sealing device |
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