CN110777674A - Hydraulic self-propelled anti-collision wall formwork trolley - Google Patents
Hydraulic self-propelled anti-collision wall formwork trolley Download PDFInfo
- Publication number
- CN110777674A CN110777674A CN201911228214.3A CN201911228214A CN110777674A CN 110777674 A CN110777674 A CN 110777674A CN 201911228214 A CN201911228214 A CN 201911228214A CN 110777674 A CN110777674 A CN 110777674A
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- China
- Prior art keywords
- side template
- oil cylinder
- hydraulic self
- positioning
- collision wall
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
- E01D19/103—Parapets, railings ; Guard barriers or road-bridges
Abstract
The invention discloses a hydraulic self-propelled anti-collision wall template trolley, which belongs to the technical field of bridge construction equipment and comprises a portal frame, wherein the bottoms of two sides of the portal frame are provided with traveling wheels, and telescopic cross beams are symmetrically arranged on two sides of the portal frame; a transverse moving oil cylinder for controlling the telescopic cross beam to stretch is arranged on the gantry; the lower end of the telescopic cross beam is connected with an ear seat through a lifting oil cylinder; the lower end of the lug seat is hinged with an outer side template and an inner side template, and the outer side template and the inner side template form a formed body required by the concrete of the anti-collision wall together; the tail end of the telescopic crossbeam is provided with a drooping hanging bracket, and the lower end of the hanging bracket is provided with a hanging basket for workers to operate; a second positioning demoulding oil cylinder is arranged between the outer side template and the hanging bracket; and a first positioning demoulding oil cylinder is arranged between the inner side template and the door frame. The anti-collision wall can reduce the investment of constructors and auxiliary equipment, improve the construction efficiency, reduce the cost investment, ensure the construction quality and improve the aesthetic degree of the anti-collision wall.
Description
Technical Field
The invention belongs to the technical field of bridge construction equipment, and particularly relates to a hydraulic self-propelled anti-collision wall formwork trolley.
Background
Along with the rapid development of the infrastructure of China, the requirements for the construction of roads and bridges are higher and higher, and the construction efficiency and the attractive appearance of the bridges are ensured in consideration of the applicability, the economy and the safety of the bridges. The anti-collision walls on the two sides of the bridge serve as a safety protection measure of the bridge, and have important functions on buffering vehicle impact force, ensuring traffic safety, protecting lives and properties of people and the like due to the unique structure form of the anti-collision walls protruding towards the driving direction and the texture of reinforced concrete. The bridge anti-collision wall as a safety facility is also the most important part in the bridge image engineering, and the requirement of the bridge anti-collision wall is that the quality of the bridge anti-collision wall is a fine product from both internal quality and appearance quality. The anti-collision wall is to ensure the construction efficiency and the appearance. When crashproof wall concrete placement, relative requirement is also higher. At present, small templates are adopted for construction, the smaller the templates are, the more the joints are, the more uneven the surfaces of the joints are and the slurry is easy to leak, and when the small templates are used for erecting the template, more reinforcing points and pull rod points are needed to be adopted, so that the whole template is fixed. The construction of the small template needs to be carried out independently, each block needs to be moved, and then the small template is connected, positioned and reinforced, so that more labor and resources need to be consumed in construction.
Disclosure of Invention
Aiming at the problems, the invention provides a hydraulic self-propelled anti-collision wall formwork trolley which can reduce the investment of constructors and auxiliary equipment, improve the construction efficiency, reduce the cost investment, ensure the construction quality and improve the aesthetic degree of an anti-collision wall.
In order to achieve the purpose, the invention adopts the technical scheme that:
a hydraulic self-propelled anti-collision wall template trolley comprises a portal frame, wherein the bottoms of two sides of the portal frame are provided with traveling wheels, and telescopic cross beams are symmetrically arranged on two sides of the portal frame; a transverse moving oil cylinder for controlling the telescopic cross beam to stretch is arranged on the gantry; the lower end of the telescopic cross beam is connected with an ear seat through a lifting oil cylinder; the lower end of the lug seat is hinged with an outer side template and an inner side template, and the outer side template and the inner side template form a formed body required by the concrete of the anti-collision wall together; the tail end of the telescopic crossbeam is provided with a drooping hanging bracket, and the lower end of the hanging bracket is provided with a hanging basket for workers to operate; a second positioning demoulding oil cylinder is arranged between the outer side template and the hanging bracket; and a first positioning demoulding oil cylinder is arranged between the inner side template and the door frame.
As a further improvement of the above technical solution:
the portal frame is formed into an inverted U shape by a cross beam at the top end and vertical beams at two ends; the lower end of the vertical beam is connected with a traveling wheel through a lifting oil cylinder.
A first demolding positioning support piece is arranged between the upper end of the inner side template and the door frame, and a second demolding positioning support piece is arranged between the lower end of the inner side template and the door frame.
And a movable pull rod which penetrates through the outer side template and the inner side template and is used for fixing the outer side template and the inner side template is arranged between the outer side template and the inner side template.
The outer side template and the inner side template are both integral steel templates.
The ear seat is of an inverted U-shaped structure; a cavity for placing the railing is formed inside the box body; clamp blocks capable of horizontally moving are symmetrically arranged on two sides of the ear seat; the lower end of the clamp block is provided with a toothed plate which is inclined to the horizontal plane and extends into the inner cavity of the ear seat; the racks and the tooth grooves of the toothed plates of the two clamp blocks are mutually crossed and matched to jointly support the handrail.
The two ends of the top surface of the lug seat are symmetrically provided with synchronous oil cylinders; and telescopic shafts of the synchronous oil cylinders are respectively connected with the corresponding clamp blocks.
The upper end of the ear seat is provided with a positioning hole; a horizontal positioning shaft is arranged on the inner side of the clamp block; the positioning shaft is movably inserted into the positioning hole.
And a vertical pressing oil cylinder is arranged at the top end of the inner cavity of the lug seat.
Compared with the prior art, the invention has the advantages that:
1. the trolley can synchronously realize the rapid construction of the anti-collision walls on the two sides of the bridge, and the hoisting, positioning and demolding of the anti-collision wall template can be controlled by the lifting oil cylinder and the demolding positioning oil cylinder of the equipment, so that the investment of more constructors and auxiliary equipment can be reduced, the construction cost is reduced, and the construction efficiency and the quality are improved.
2. This platform truck is owing to the location drawing of patterns through mechanical control template, so the template can adopt integral steel form, ensures the surface smoothness of crashproof wall, and the shaping is accurate.
3. The anti-collision wall template in the trolley can be automatically controlled to move transversely and vertically, so that the template can be positioned more flexibly and can meet the requirements of different widths and different height wall positions.
4. The whole gantry type structure of the trolley is adopted, and the hanging basket is arranged on the outer side of the formwork, so that workers can conveniently check and adjust the construction condition of the outer formwork, and the trolley is more convenient to operate.
5. The special fixture for controlling the positioning construction of the railing is arranged in the lug seat of the trolley, the railing can be synchronously installed to the trolley when the anti-collision wall is constructed, a series of processes such as external hoisting, punching, installation and carrying required by post-stage railing installation operation are removed simultaneously, the auxiliary equipment installation of the anti-collision wall is completed at one time, the construction time of the anti-collision wall is greatly shortened, and the input speed of the anti-collision wall is increased.
6. The utility model discloses a guardrail mounting structure, including the guardrail mounting structure, the guardrail mounting structure is characterized in that the guardrail mounting structure is provided with a plurality of lugs, the lugs are provided with a plurality of clamp blocks, and the clamp blocks are arranged on the lugs of the trolley.
Drawings
FIG. 1 is a schematic view of a collision wall structure on a bridge;
FIG. 2 is a schematic diagram of the apparatus of the present invention;
FIG. 3 is an enlarged schematic view of the construction of the present invention;
FIG. 4 is a schematic view of a formwork mounting structure according to the present invention;
FIG. 5 is a schematic side view of the form panel of the present invention during lateral demolding;
FIG. 6 is a schematic view of the structure of the present invention during walking after demolding;
FIG. 7 is a schematic structural view of an end face of an impact wall with a railing;
FIG. 8 is a schematic view of the front structure of the crash wall with the balustrade;
FIG. 9 is a schematic view of the structure of the apparatus with additional balustrades that can be automatically installed on the anti-collision wall;
FIG. 10 is a schematic view of the movement of the clamp when the apparatus is used to install a railing;
FIG. 11 is a schematic top view of two fixture blocks mated together;
fig. 12 is a schematic structural view of a push-down cylinder provided inside the hoist module.
In the figure: 1. a bridge; 2. an anti-collision wall; 3. a gantry; 4. a cross beam; 5. erecting a beam; 6. a telescopic cross beam; 7. transversely moving the oil cylinder; 8. a traveling wheel; 9. a lift cylinder; 10. a hanger; 11, hanging baskets; 12. lifting the oil cylinder; 13. a template; 14. a first stripper locator support; 15. a first positioning demoulding oil cylinder; 16. a second stripper locator support; 17. a second positioning demoulding oil cylinder; 18. an ear mount; 19. a movable pull rod; 20. a synchronous oil cylinder; 21. a clamp block; 22. positioning the shaft; 23. a toothed plate; 24. a railing; 25. pressing the oil cylinder; 131. an outer side template; 132. and an inner side template.
Detailed Description
The following detailed description of the present invention is given for the purpose of better understanding technical solutions of the present invention by those skilled in the art, and the present description is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way.
As shown in fig. 1 to 12, the specific structure of the present invention is:
a hydraulic self-propelled anti-collision wall formwork trolley comprises a portal frame 3 with walking wheels 8 at the bottoms of two sides, wherein telescopic cross beams 6 are symmetrically arranged on two sides of the portal frame 3; a transverse moving oil cylinder 7 for controlling the telescopic cross beam 6 to stretch is arranged on the gantry 3; the lower end of the telescopic crossbeam 6 is connected with an ear seat 18 through a lifting oil cylinder 12; the lower end of the lug seat 18 is hinged with an outer side template 131 and an inner side template 132, and the outer side template 131 and the inner side template 132 together form a formed body required by the concrete of the anti-collision wall 2; the tail end of the telescopic crossbeam 6 is provided with a drooping hanging bracket 10, and the lower end of the hanging bracket 10 is provided with a hanging basket 11 for workers to operate; a second positioning demoulding oil cylinder 17 is arranged between the outer side template 131 and the hanger 10; a first positioning demoulding oil cylinder 15 is arranged between the inner side template 132 and the door frame 3.
Further optimization is carried out on the basis of the embodiment:
specifically, as shown in fig. 2, the gantry 3 is formed by a cross beam 4 at the top end and vertical beams 5 at two ends to form an inverted U shape; the lower end of the vertical beam 5 is connected with a walking wheel 8 through a lifting oil cylinder 9. The portal 3 and the cross beam 4 are connected with each other through reinforcing ribs to improve the connection firmness; the upper end of the walking wheel 8 is telescopically inserted into the lower end of the vertical beam 5; one end of a lifting oil cylinder 9 is connected with the vertical beam 5, and the other end is connected with the traveling wheel 8; the road wheels 8 comprise rollers and corresponding drive motors.
Specifically, as shown in fig. 3, in order to improve the fixing stability of the formwork to the crash wall, a first demolding positioning support member 14 is disposed between the upper end of the inner formwork 132 and the gantry 3, and a second demolding positioning support member 16 is disposed between the lower end of the inner formwork and the gantry 3. The supporting piece adopts a structure of a screw rod and a threaded sleeve, and the length can be adjusted.
Specifically, as shown in fig. 4, in order to further improve the stability of the form in pouring the impact wall, a movable tie rod 19 is provided between the outer form 131 and the inner form 132 to fix the two.
Specifically, in order to improve the forming effect of the impact wall, the outer side formwork 131 and the inner side formwork 132 are both integral steel formworks.
Specifically, as shown in fig. 9-10, in order to form and install the crash wall and the balustrade at the upper end thereof at one time, the ear seat 18 has an inverted U-shaped structure; a cavity for placing the railing 24 is formed inside; the two sides of the ear seat 18 are symmetrically provided with clamp blocks 21 capable of horizontally moving; the lower end of the clamp block 21 is provided with a toothed plate 23 which is inclined to the horizontal plane and extends into the inner cavity of the ear seat 18; the racks and the tooth grooves of the toothed plates 23 of the two clamp blocks 21 are mutually crossed and matched to jointly support the railing 24.
Specifically, as shown in fig. 9, two ends of the top surface of the ear seat 18 are symmetrically provided with synchronous oil cylinders 20; and telescopic shafts of the synchronous oil cylinders 20 are respectively connected with corresponding clamp blocks 21. The two synchronous oil cylinders 20 are synchronously telescopic, when the synchronous oil cylinders 20 are synchronously shortened, the clamp blocks 21 are mutually closed, so that the two toothed plates 23 are mutually crossed to support the railing upwards and prevent the railing from falling; when synchronous hydro-cylinder 20 synchronous extension, two anchor clamps pieces 21 are kept away from each other for two blocks of dentate plates 23 intercrossing open, thereby make the slow whereabouts of railing, thereby make the supporting seat of railing insert in the concrete anticollision wall that does not solidify, after the supporting seat inserted the appropriate degree of depth, synchronous hydro-cylinder 20 stop movement can, treat that the concrete thoroughly solidifies the back, synchronous hydro-cylinder 20 again controls anchor clamps piece 21 and thoroughly opens.
Specifically, as shown in fig. 9, in order to improve the stability of the movement of the clamp block 21, the upper end of the ear seat 18 is provided with a positioning hole; a horizontal positioning shaft 22 is arranged on the inner side of the clamp block 21; the positioning shaft 22 is movably inserted into the positioning hole.
Specifically, as shown in fig. 12, in order to enable the handrail to be smoothly inserted into the concrete and prevent the handrail from being inserted too hard, a vertical push-down cylinder 25 is disposed at the top end of the inner cavity of the ear seat 18.
The overall structure principle of the invention is as follows:
the utility model provides a hydraulic pressure self-propelled anticollision wall template platform truck, adopts bilateral symmetry to arrange, the construction of monolithic casting and whole antedisplacement construction. Mainly by crashproof wall template, including outside template and inboard template, hanging flower basket 11, portal 3, walking wheel 8, telescopic crossbeam, lift cylinder, drawing of patterns location support piece.
1. The outer side template and the inner side template form a formed body required by the concrete of the anti-collision wall, the outer side template and the inner side template are integral steel templates, and a movable pull rod for fixing the outer side template and the inner side template is arranged between the outer side template and the inner side template. A positioning demoulding oil cylinder is arranged between the outer side template and the hanging basket. A positioning demoulding oil cylinder is arranged between the inner side template and the door frame. The outer side template and the inner side template are connected with a lifting oil cylinder through lug seats.
2. The hanging basket is used for positioning and reinforcing a construction platform of the template outside the anti-collision wall and the template. The hanging basket is positioned below one end of the transverse moving component.
3. The portal frame is an integral framework, the left side and the right side of the portal frame are connected with telescopic cross beams, and the walking wheels moving back and forth are positioned below the portal frame. An oil cylinder for adjusting the position up and down is arranged between the travelling wheel and the door frame. The walking wheel can be located the below of portal, and the whole platform truck of portability removes.
4. The hanging basket and the outer side template carried by the lifting oil cylinder are arranged below the telescopic cross beam, and the hanging basket and the template can be horizontally adjusted by the telescopic cross beam.
5. The lifting oil cylinder is a flexible connecting part between the formworks for the telescopic cross beam, so that the integral positioning adjustment and the demoulding of the formworks are facilitated.
6. And the templates are respectively separated from the outside in the demoulding process and are integrally lifted upwards through the lifting oil cylinder, so that the templates are separated from the concrete.
The operation of the invention is as follows:
the travelling wheels 8 drive the portal 3 to move on the bridge, after the portal 3 moves to a preset position, the first positioning demolding oil cylinder 15 and the second positioning demolding oil cylinder 17 respectively control the outer side template 131 and the inner side template 132 to be furled to form a formed body required by the concrete of the anti-collision wall, meanwhile, a worker can adjust the second demolding positioning supporting piece 16 and the first demolding positioning supporting piece 14 between the inner side template and the portal, the positioning firmness of the templates is improved, meanwhile, a movable pull rod 19 can be arranged between the outer side template and the inner side template, the forming effect is further improved, the worker driving equipment infuses the concrete into the formed bodies of the templates at two sides of the portal 3, and the concrete is solidified and formed into the anti-collision wall in the formed bodies; when the anti-collision wall is stably formed, the movable pull rod 19 and the demolding positioning support piece are detached, the equipment drives the positioning demolding oil cylinder to retract, the templates are respectively separated from the outer side, and the lifting oil cylinder is integrally lifted upwards, so that the templates are separated from the concrete. The travelling wheels 8 drive the equipment to move to the next construction point for construction.
When the railing 24 needs to be installed on the anti-collision wall at one time, a worker puts the railing 24 into the U-shaped inner cavity of the lug seat 18 in advance, drives the synchronous oil cylinder 20 to retract, and can clamp and fold the railing 24 in the lug seat 18. The construction is carried out according to the construction steps of the anti-collision wall, after the anti-collision wall is poured, the synchronous oil cylinder 20 extends out, the tooth-shaped plate 23 of the clamp block 21 slowly moves towards the outer side, the railing 24 slowly falls, the support base at the lower end of the railing 24 finally is immersed into the concrete, and the demolding operation can be started after the concrete is solidified. In order to prevent the handrail 24 from sinking and immersing into the concrete due to the too low quality, the pressing cylinder 25 can be started, and downward pressure is applied to the handrail 24 through the pressing cylinder 25, so that the support base of the handrail 24 and the concrete of the collision wall can be ensured to complete immersion installation.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.
Claims (9)
1. A hydraulic self-propelled anti-collision wall template trolley comprises a portal frame (3) with walking wheels (8) at the bottoms of two sides, and is characterized in that telescopic cross beams (6) are symmetrically arranged at two sides of the portal frame (3); a transverse moving oil cylinder (7) for controlling the telescopic cross beam (6) to stretch is arranged on the gantry (3); the lower end of the telescopic cross beam (6) is connected with an ear seat (18) through a lifting oil cylinder (12); the lower end of the lug seat (18) is hinged with an outer side template (131) and an inner side template (132), and the outer side template (131) and the inner side template (132) jointly form a formed body required by concrete of the anti-collision wall (2); a drooping hanging bracket (10) is arranged at the tail end of the telescopic crossbeam (6), and a hanging basket (11) for workers to operate is arranged at the lower end of the hanging bracket (10); a second positioning demoulding oil cylinder (17) is arranged between the outer side template (131) and the hanger (10); and a first positioning demoulding oil cylinder (15) is arranged between the inner side template (132) and the door frame (3).
2. The hydraulic self-propelled impact wall formwork trolley according to claim 1, wherein the portal (3) is formed into an inverted U shape by a cross beam (4) at the top end and vertical beams (5) at two ends; the lower end of the vertical beam (5) is connected with a traveling wheel (8) through a lifting oil cylinder (9).
3. A hydraulic self-propelled impact wall formwork trolley according to claim 1, characterized in that a first demolding positioning support (14) is provided between the upper end of the inside formwork (132) and the mast (3), and a second demolding positioning support (16) is provided between the lower end and the mast (3).
4. A hydraulic self-propelled impact wall form trolley according to claim 1, characterized in that a through movable tie bar (19) is provided between the outer form (131) and the inner form (132) to secure the two.
5. A hydraulic self-propelled impact wall form trolley according to claim 1, wherein the outboard form (131) and the inboard form (132) are both integral steel forms.
6. The hydraulic self-propelled impact wall form trolley according to claim 1, characterized in that said ear seat (18) is of inverted U-shaped configuration; a cavity for placing the railing (24) is formed inside; the two sides of the ear seat (18) are symmetrically provided with clamp blocks (21) capable of horizontally moving; the lower end of the clamp block (21) is provided with a toothed plate (23) which is inclined to the horizontal plane and extends into the inner cavity of the ear seat (18); the racks and the tooth grooves of the toothed plates (23) of the two clamp blocks (21) are mutually crossed and matched to jointly support the railing (24).
7. The hydraulic self-propelled impact wall formwork trolley according to claim 6, wherein the two ends of the top surface of the lug seat (18) are symmetrically provided with synchronous oil cylinders (20); and telescopic shafts of the synchronous oil cylinders (20) are respectively connected with the corresponding clamp blocks (21).
8. The hydraulic self-propelled impact wall formwork trolley according to claim 6, characterized in that the upper end of the lug seat (18) is provided with a positioning hole; a horizontal positioning shaft (22) is arranged on the inner side of the clamp block (21); the positioning shaft (22) is movably inserted into the positioning hole.
9. The hydraulic self-propelled impact wall formwork trolley according to claim 6, characterized in that the top end of the inner cavity of the lug seat (18) is provided with a vertical push-down cylinder (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911228214.3A CN110777674A (en) | 2019-12-04 | 2019-12-04 | Hydraulic self-propelled anti-collision wall formwork trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911228214.3A CN110777674A (en) | 2019-12-04 | 2019-12-04 | Hydraulic self-propelled anti-collision wall formwork trolley |
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| CN110777674A true CN110777674A (en) | 2020-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911228214.3A Pending CN110777674A (en) | 2019-12-04 | 2019-12-04 | Hydraulic self-propelled anti-collision wall formwork trolley |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111877180A (en) * | 2020-08-12 | 2020-11-03 | 洛阳升佳机械设备有限公司 | Crash barrier construction trolley, construction method and engineering supervision platform |
| CN113137059A (en) * | 2021-05-30 | 2021-07-20 | 中国二十二冶集团有限公司 | Construction device for cast-in-place concrete anti-collision wall movable formwork |
| CN114808706A (en) * | 2022-03-10 | 2022-07-29 | 浙江交工集团股份有限公司 | A integration template platform truck for construction of highway bridge reinforced concrete guardrail |
| CN114892529A (en) * | 2022-05-23 | 2022-08-12 | 中国一冶集团有限公司 | Recyclable template for municipal viaduct construction |
| CN115874530A (en) * | 2022-11-09 | 2023-03-31 | 江苏四通路桥工程有限公司 | Anticollision wall template trolley of large-scale flexible safe platform |
-
2019
- 2019-12-04 CN CN201911228214.3A patent/CN110777674A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111877180A (en) * | 2020-08-12 | 2020-11-03 | 洛阳升佳机械设备有限公司 | Crash barrier construction trolley, construction method and engineering supervision platform |
| CN111877180B (en) * | 2020-08-12 | 2021-10-22 | 洛阳升佳机械设备有限公司 | Construction method of anti-collision guardrail construction trolley and engineering supervision platform |
| CN113137059A (en) * | 2021-05-30 | 2021-07-20 | 中国二十二冶集团有限公司 | Construction device for cast-in-place concrete anti-collision wall movable formwork |
| CN113137059B (en) * | 2021-05-30 | 2024-01-23 | 中国二十二冶集团有限公司 | Cast-in-place concrete anti-collision wall movable formwork construction device |
| CN114808706A (en) * | 2022-03-10 | 2022-07-29 | 浙江交工集团股份有限公司 | A integration template platform truck for construction of highway bridge reinforced concrete guardrail |
| CN114892529A (en) * | 2022-05-23 | 2022-08-12 | 中国一冶集团有限公司 | Recyclable template for municipal viaduct construction |
| CN114892529B (en) * | 2022-05-23 | 2023-10-24 | 中国一冶集团有限公司 | Recyclable template for municipal viaduct construction |
| CN115874530A (en) * | 2022-11-09 | 2023-03-31 | 江苏四通路桥工程有限公司 | Anticollision wall template trolley of large-scale flexible safe platform |
| CN115874530B (en) * | 2022-11-09 | 2024-02-06 | 江苏四通路桥工程有限公司 | Anti-collision wall template trolley of large telescopic safety platform |
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