CN218928173U - New Jersey guardrail automatic production line - Google Patents
New Jersey guardrail automatic production line Download PDFInfo
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- CN218928173U CN218928173U CN202220211950.9U CN202220211950U CN218928173U CN 218928173 U CN218928173 U CN 218928173U CN 202220211950 U CN202220211950 U CN 202220211950U CN 218928173 U CN218928173 U CN 218928173U
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- 238000004519 manufacturing process Methods 0.000 title abstract description 20
- 238000007599 discharging Methods 0.000 claims abstract description 51
- 239000004567 concrete Substances 0.000 claims abstract description 36
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 33
- 239000010959 steel Substances 0.000 claims abstract description 33
- 230000002787 reinforcement Effects 0.000 claims abstract description 30
- 230000003068 static effect Effects 0.000 claims description 31
- 238000009434 installation Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 239000012141 concentrate Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 23
- 238000010276 construction Methods 0.000 abstract description 6
- 239000011178 precast concrete Substances 0.000 abstract description 2
- 238000009417 prefabrication Methods 0.000 abstract description 2
- 238000009749 continuous casting Methods 0.000 abstract 1
- 239000004744 fabric Substances 0.000 description 9
- 238000002161 passivation Methods 0.000 description 5
- 230000000284 resting effect Effects 0.000 description 4
- 239000011241 protective layer Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The utility model discloses an automatic production line of new jersey guardrails, which relates to the technical field of precast concrete member production and comprises a steel bar processing area, a steel bar framework stacking area, a stationary concentrated placing area, a transverse ferrying platform and a discharging platform, wherein a first stationary grabbing device is fixedly arranged at the top of the stationary concentrated placing area, a demolding station is arranged at the front side of the stationary concentrated placing area, and a concrete discharging area is arranged at the front side of the steel bar processing area, which is close to the steel bar framework stacking area. According to the utility model, the new jersey guardrail is produced completely in a factory, the functional areas are divided clearly, the flow operation of each process is free from crossing, the investment personnel are less, the labor intensity is low, the steel reinforcement framework hoisting equipment is enabled to reciprocate and continuously operate, the purpose of continuous casting process is achieved, the production efficiency is high, the template utilization rate is effectively improved, the construction continuity is ensured, a large amount of manual operation in the new jersey guardrail prefabrication process is reduced, the modularization degree is high, and the dangerous factors caused by the crossing of the processes are effectively avoided.
Description
Technical Field
The utility model relates to the technical field of precast concrete member production, in particular to an automatic production line of new jersey guardrails.
Background
At present, under the environment of the assembled building which is forced to be pushed in the field of highway construction, the prefabrication demand of the New Jersey guardrail is increased year by year, and meanwhile, the requirements of engineering construction managers on the internal quality, appearance and installation line type of the New Jersey guardrail are further improved.
In China, patent application number: the utility model discloses a guardrail plate galvanization aftertreatment production line, including the passivation case, passivation case both ends are equipped with guardrail plate import and guardrail plate export, passivation incasement portion is equipped with a plurality of passivation liquid shower nozzles all around, passivation case both ends still are equipped with input roll table and rollout table respectively, the input roll table includes input roller frame and a plurality of input roller, still be equipped with the dog axle of twice wobbling on the input roller frame, be equipped with the dog on the dog axle, the dog axle is parallel with the input roller, input roller frame bottom still is equipped with two slide bar cylinder supports, the articulated slide bar cylinder that has on the slide bar cylinder support, be equipped with twice wobbling slide bar board on the input roller frame. The guardrail plate galvanization post-treatment production line has the advantages of large equipment occupation area, low template utilization rate, more personnel investment, large labor intensity, large artificial influence, poor quality stability, frequent crossing of each process and difficult implementation of safety guarantee.
Therefore, it is necessary to provide an automatic new jersey guardrail production line to solve the above problems.
Disclosure of Invention
The utility model aims at: the utility model provides a galvanized post-treatment production line for guardrail plates, which aims to solve the problems of large equipment occupation area, low template utilization rate, large personnel investment, large labor intensity, large artificial influence, poor quality stability, frequent crossing of each process and difficult implementation of safety guarantee.
The utility model adopts the following technical scheme for realizing the purposes:
the utility model provides a new jersey guardrail automation line, includes that steel reinforcement processing district, framework stack district, static are concentrated and are put district, horizontal ferry platform and the platform of unloading, the top fixed mounting who puts the district is concentrated in the static has first static to snatch equipment, the front side that the district was put in the static is provided with the demolding station, the front side that the framework is piled to the steel reinforcement processing district is close to the framework is provided with the concrete and unloads the district, one side fixed mounting in the concrete district of unloading has first horizontal ferry station, one side fixed mounting in the first horizontal ferry station that the concrete is kept away from the district of unloading has the pouring vibration district, one side fixed mounting in the framework stack district of steel reinforcement is kept away from the framework installation station, one side fixed mounting that first static to snatch equipment is close to framework installation station has the static to snatch station.
Further, a second transverse ferry station is fixedly arranged on one side of the first transverse ferry station through a transfer line longitudinal rail, and a working line longitudinal rail is fixedly arranged on the front side of the transfer line longitudinal rail.
Further, a ferry station transverse rail is fixedly arranged on one side of the inner part of the first transverse ferry station, and a transverse ferry platform is fixedly arranged on one side of the inner part of the second transverse ferry station.
Further, one end of the transfer line longitudinal rail is movably provided with a movable trolley.
Further, one end of the discharging platform is fixedly provided with an alternate discharging hopper, and one side of the discharging platform is fixedly provided with a truss.
Further, a movable discharging hopper is movably arranged on one side of the truss, and a discharging station is fixedly arranged on one side of the truss away from the movable discharging hopper.
Further, a cloth hopper is fixedly arranged at the bottom end of one side of the truss, and the cloth hopper is positioned at the bottom of the unloading station.
Further, a trolley moving rail is fixedly arranged on one side of the discharging platform, and a moving trolley device is movably arranged at one end of the trolley moving rail.
Further, a vibrating platform is fixedly installed under the cloth hopper, and a steel reinforcement framework hoisting device is fixedly installed on one side, far away from the mobile trolley device, of the vibrating platform.
Further, one side of the steel reinforcement framework lifting device, which is far away from the vibrating platform, is fixedly provided with second static grabbing equipment, and the bottom of the second static grabbing equipment is provided with a new jersey guardrail die.
The beneficial effects of the utility model are as follows:
1. according to the utility model, through connection of the steel bar processing area and the steel bar storage area, steel bars can be cut and stacked in a centralized manner, in the centralized static curing and placing area, guardrails and molds reaching the static curing time are placed back into a transfer line through the first static curing grabbing equipment, when reaching the static curing grabbing station, the second static curing grabbing equipment is utilized, after reaching the demolding station, operators perform side dismantling work, a forklift is utilized to complete demolding, transferring and maintenance, a mobile trolley carrying scattered molds reaches the second transverse ferrying station through the first transverse ferrying station, the production of new jersey guardrails is completely industrialized, the division of each functional area is clear, the flow operation of each working procedure is free from crossing, the investment is less, and the labor intensity is low.
2. According to the utility model, through the connection of the longitudinal track of the transfer line, the transverse ferrying platform, the transverse track of the ferrying station and the longitudinal track of the working line, the transverse ferrying platform is utilized to finish the transverse movement from the transfer line to the working line to enter the lower mould cleaning and mounting process, the concrete transportation tank truck alternately discharges to two discharge hoppers in the concrete discharging area, the discharge hoppers or the alternate discharge hoppers reach the pouring vibrating area, concrete is filled into the distribution hoppers, the distribution hoppers are provided with the track moving device, the control handles are manually operated to uniformly distribute materials into the mould, so that the steel reinforcement framework hoisting equipment can continuously reciprocate, the purpose of continuous pouring process is achieved, the production efficiency is high, the utilization rate of the mould is effectively improved, and the construction continuity can be ensured.
3. According to the utility model, the mould completed by hoisting the reinforcement cage, binding the embedded part and the protective layer cushion block moves to the pouring vibrating area in a ground track mode, the vehicle reaches the discharging platform, the concrete moves to the pouring vibrating area in an air truss mode by utilizing the movable discharging hopper or the alternate discharging hopper, the movable discharging hopper reaches the discharging station, the vibrating platform is arranged below the distributing hopper, the opening and closing of the hopper door are regulated to complete concrete pouring, the vibrator is arranged on the side surface of the hopper, the flow of the concrete is convenient, the movable trolley equipment carries the new jersey guardrail mould on the trolley moving track to reach the pouring vibrating platform to complete concrete pouring, the vibrating platform lifts the mould to complete concrete vibrating, each procedure component module is provided with an independent control system, only a control handle of the equipment is needed, the production of a new jersey guardrail finished product is completed through annular circulation, a large amount of manual work in the new jersey guardrail prefabricating process is reduced, the modularization degree is high, and dangerous factors caused by procedure crossing can be effectively avoided.
Drawings
FIG. 1 is a schematic plan view of the structure of the present utility model;
FIG. 2 is a schematic diagram of a switching device between a line and a transfer line according to the present utility model;
fig. 3 is an elevational schematic of the structure of the present utility model.
Reference numerals: 1. a reinforcing steel bar processing area; 2. a steel reinforcement framework stacking area; 3. a first resting gripping device; 4. resting and centralized placing area; 5. a demolding station; 6. a concrete discharge area; 7. a first transverse ferry station; 8. pouring a vibrating area; 9. a reinforcement cage installation station; 10. a resting and grabbing station; 11. a moving trolley; 12. a second transverse ferry station; 13. a transfer line longitudinal rail; 14. a transverse ferrying platform; 15. a ferry station transverse rail; 16. a line longitudinal rail; 17. moving a discharge hopper; 18. truss; 19. a discharge station; 20. a cloth hopper; 21. lifting equipment for the steel reinforcement framework; 22. a second resting grasping device; 23. alternating discharging hoppers; 24. a discharging platform; 25. a mobile cart device; 26. vibrating the platform; 27. the trolley moves the track; 28. new Jersey guardrail mould.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1-3, a new jersey guardrail automation line comprises a reinforcement processing area 1, a reinforcement cage stacking area 2, a static centralized placing area 4, a transverse ferrying platform 14 and a discharging platform 24, wherein a first static grabbing device 3 is fixedly installed at the top of the static centralized placing area 4, a demolding station 5 is arranged at the front side of the static centralized placing area 4, a concrete discharging area 6 is arranged at the front side of the reinforcement processing area 1, which is close to the reinforcement cage stacking area 2, a first transverse ferrying station 7 is fixedly installed at one side of the concrete discharging area 6, a pouring vibrating area 8 is fixedly installed at one side, which is far from the concrete discharging area 6, of the first transverse ferrying station 7, a reinforcement cage installing station 9 is fixedly installed at one side, which is far from the reinforcement cage stacking area 2, of the first static grabbing device 3 is fixedly installed at one side, which is close to the reinforcement cage installing station 9, a second transverse ferrying station 12 is fixedly installed at one side, which is close to the first transverse ferrying station 7, through a transfer line longitudinal rail 13.
In this embodiment, through the connection of reinforcing bar processing district 1 and reinforcing bar bone storage district 2, can concentrate the stack to the reinforcing bar cutting off, put district 4 in the rest concentration, through first rest grabbing equipment 3 to reaching the guardrail and the mould of rest time, when reaching rest grabbing station 10, utilize second rest grabbing equipment 22 to put back the transfer line, after reaching demolding station 5, the operation personnel carries out the limit and demolishs work, accomplish the drawing of patterns transportation maintenance with fork truck, carry the travelling car 11 of scattered mould and reach the horizontal ferrying station 12 of second through first horizontal ferrying station 7, with new jersey guardrail production complete batch production, each functional area division is clear, each process line production does not have alternately, little and the low in labor strength of input personnel.
Example 2
Referring to fig. 1-3, this embodiment is further optimized based on embodiment 1, specifically, a second transverse ferry station 12 is fixedly installed on one side of the first transverse ferry station 7 through a transfer line longitudinal rail 13, and a line longitudinal rail 16 is fixedly installed on the front side of the transfer line longitudinal rail 13.
Specifically, a ferry station transverse rail 15 is fixedly arranged on one side of the interior of the first transverse ferry station 7, and a transverse ferry platform 14 is fixedly arranged on one side of the interior of the second transverse ferry station 12.
Specifically, one end of the longitudinal track 13 of the transfer line is movably provided with a moving trolley 11.
Specifically, an alternate discharge hopper 23 is fixedly mounted at one end of the discharge platform 24, and a truss 18 is fixedly mounted at one side of the discharge platform 24.
In this embodiment, through the connection of transfer line longitudinal rail 13, horizontal ferry platform 14, ferry station horizontal rail 15, the longitudinal rail 16 of operating line, utilize horizontal ferry platform 14, accomplish the sideslip of transfer line to operating line and get into lower mould clearance installation procedure, the concrete transportation tank car is unloaded to two discharge hoppers in turn in concrete discharge area 6, remove discharge hopper 17 or alternate discharge hopper 23 and reach and pour vibrating area 8, the concrete is filled into cloth hopper 20, cloth hopper 20 is equipped with track mobile device, the manual operation control handle evenly distributes to the mould, make the reciprocal continuous operation of steel reinforcement cage lifting device 21, reach the continuous purpose of pouring procedure, high production efficiency, the template utilization efficiency effectively improves, can ensure the construction continuity.
Example 3
Referring to fig. 1-3, the following optimization is performed on the basis of example 1 or example 2, specifically, a movable discharging hopper 17 is movably mounted on one side of a truss 18, and a discharging station 19 is fixedly mounted on one side of the truss 18 away from the movable discharging hopper 17.
Specifically, a cloth hopper 20 is fixedly arranged at the bottom end of one side of the truss 18, and the cloth hopper 20 is positioned at the bottom of the unloading station 19.
Specifically, a trolley moving rail 27 is fixedly installed on one side of the discharging platform 24, and a moving trolley device 25 is movably installed at one end of the trolley moving rail 27.
Specifically, a vibrating platform 26 is fixedly installed under the cloth hopper 20, and a steel reinforcement cage hoisting device 21 is fixedly installed on one side, away from the mobile trolley device 25, of the vibrating platform 26.
Specifically, a second static grabbing device 22 is fixedly installed on one side, far away from the vibrating platform 26, of the steel reinforcement cage lifting device 21, and a new jersey guardrail die 28 is installed at the bottom of the second static grabbing device 22.
In this embodiment, the mould completed through the hoisting of the reinforcement cage, the binding of the embedded part and the protective layer cushion block moves towards the pouring vibrating area 8 in a ground track manner, the vehicle reaches the discharging platform 24, the concrete moves towards the pouring vibrating area 8 in an air truss 18 manner by utilizing the movable discharging hopper 17 or the alternate discharging hopper 23, the movable discharging hopper 17 reaches the discharging station 19, the vibrating platform 26 is arranged below the distributing hopper 20, the opening and closing of the hopper gate are regulated to complete the pouring of the concrete, the vibrator is arranged on the side surface of the hopper, the flow of the concrete is convenient, the movable trolley equipment 25 carries the new jersey guardrail mould 28 on the trolley moving track 27 to reach the pouring vibrating platform 26, the pouring of the concrete is completed, the vibrating platform 26 lifts the mould to complete the vibrating of the concrete, each procedure component module is provided with an independent control system, only a control handle of the equipment is needed to be operated manually, the production of the new jersey guardrail finished product is completed through annular circulation, a large amount of manual work in the prefabricating process of the new jersey guardrail is reduced, the modularization degree is high, and dangerous factors caused by the crossing of procedures can be effectively avoided.
The utility model can cut and stack the steel bars intensively through the connection of the steel bar processing area 1 and the steel bar storage area 2, in the centralized static curing and placing area 4, when the steel bars reach the static curing time, the guardrail and the mould are put back to the transfer line through the first static curing grabbing equipment 3, and the transfer line is put back by the second static curing grabbing equipment 22, after the steel bars reach the demolding station 5, the operator performs the side dismantling work, the demolding, transferring and curing are completed by using a forklift, the moving trolley 11 carrying scattered moulds reaches the second transverse ferrying station 12 through the first transverse ferrying station 7, the new jersey guardrail is produced completely in factory, the division of all functional areas is clear, the flow operation of each working procedure is not crossed, the investment personnel is less and the labor intensity is low, the connection of the transfer line longitudinal rail 13, the transverse ferrying platform 14, the ferrying station transverse rail 15 and the working line longitudinal rail 16 is utilized by using the transverse ferrying platform 14, the transverse movement from the transfer line to the working line is completed, the concrete transportation tank truck enters a lower mould cleaning and installing procedure, the concrete transportation tank truck alternately discharges in a concrete discharging area 6 to two discharging hoppers, a movable discharging hopper 17 or an alternate discharging hopper 23 arrives at a pouring vibrating area 8, concrete is filled in a distributing hopper 20, the distributing hopper 20 is provided with a track moving device, a control handle is manually operated to evenly distribute materials into the mould, so that a steel bar framework hoisting device 21 reciprocates and continuously works, the purpose of continuous pouring procedure is achieved, the production efficiency is high, the effective improvement of the template utilization rate can ensure continuous construction, the mould completed by hoisting the steel bar framework, binding an embedded part and a protective layer cushion block moves towards the pouring vibrating area 8 in a ground track manner, the vehicle arrives at a discharging platform 24, the concrete moves towards the pouring vibrating area 8 by utilizing the movable discharging hopper 17 or the alternate discharging hopper 23 in an air truss 18 manner, the movable discharging hopper 17 reaches the discharging station 19, the vibrating platform 26 is arranged below the distributing hopper 20, the opening and closing of a hopper door are controlled to finish concrete pouring, a vibrator is arranged on the side face of the hopper, the concrete can flow conveniently, the movable trolley equipment 25 is loaded with the New Jersey guardrail mould 28 on the trolley movable track 27 to reach the pouring vibrating platform 26, concrete pouring is finished, the vibrating platform 26 lifts the mould to finish concrete vibrating, each process component module is provided with an independent control system, only an equipment control handle is needed to be operated manually, the production of a new Jersey guardrail finished product is finished through annular circulation, a large amount of manual work in the new Jersey guardrail prefabricating process is reduced, the modularization degree is high, and dangerous factors caused by process crossing can be effectively avoided.
The present utility model is not limited to the preferred embodiments, but the patent protection scope of the utility model is defined by the claims, and all equivalent structural changes made by the specification and the drawings are included in the scope of the utility model.
Claims (10)
1. The utility model provides a new jersey guardrail automation line, includes that reinforcing bar processing district (1), framework of steel stack district (2), rest-culture concentrate put district (4), horizontal ferrying platform (14) and platform (24) of unloading, its characterized in that: the top of the static centralized placement area (4) is fixedly provided with first static grabbing equipment (3), the front side of the static centralized placement area (4) is provided with a demolding station (5), the front side of the reinforcement processing area (1) close to the reinforcement framework stacking area (2) is provided with a concrete discharging area (6), one side of the concrete discharging area (6) is fixedly provided with a first transverse ferrying station (7), and one side of the first transverse ferrying station (7) far away from the concrete discharging area (6) is fixedly provided with a pouring vibrating area (8);
one side of the steel reinforcement framework stacking area (2) far away from the steel reinforcement processing area (1) is fixedly provided with a steel reinforcement framework installation station (9), and one side of the first static culture grabbing device (3) close to the steel reinforcement framework installation station (9) is fixedly provided with a static culture grabbing station (10).
2. The new jersey guardrail automation line of claim 1, wherein: one side of the first transverse ferry station (7) is fixedly provided with a second transverse ferry station (12) through a transfer line longitudinal rail (13), and the front side of the transfer line longitudinal rail (13) is fixedly provided with a working line longitudinal rail (16).
3. The new jersey guardrail automation line of claim 2, wherein: and a ferrying station transverse rail (15) is fixedly arranged on one side of the interior of the first transverse ferrying station (7), and a transverse ferrying platform (14) is fixedly arranged on one side of the interior of the second transverse ferrying station (12).
4. The new jersey guardrail automation line of claim 2, wherein: one end of the transfer line longitudinal rail (13) is movably provided with a movable trolley (11).
5. The new jersey guardrail automation line of claim 1, wherein: one end of the discharging platform (24) is fixedly provided with alternating discharging hoppers (23), and one side of the discharging platform (24) is fixedly provided with a truss (18).
6. The new jersey guardrail automation line of claim 5, wherein: one side of the truss (18) is movably provided with a movable discharging hopper (17), and one side of the truss (18) far away from the movable discharging hopper (17) is fixedly provided with a discharging station (19).
7. The new jersey guardrail automation line of claim 5, wherein: the novel material discharging device is characterized in that a material distributing hopper (20) is fixedly arranged at the bottom end of one side of the truss (18), the material distributing hopper (20) is located at the bottom of the material discharging station (19), and a vibrating platform (26) is fixedly arranged under the material distributing hopper (20).
8. The new jersey guardrail automation line of claim 1, wherein: one side of the discharging platform (24) is fixedly provided with a trolley moving track (27), and one end of the trolley moving track (27) is movably provided with a movable trolley device (25).
9. The new jersey guardrail automation line of claim 7, wherein: one side of the vibrating platform (26) far away from the movable trolley equipment (25) is fixedly provided with a steel reinforcement framework lifting device (21).
10. The new jersey guardrail automation line of claim 9, wherein: one side of the steel reinforcement framework lifting device (21) far away from the vibrating platform (26) is fixedly provided with a second static grabbing device (22), and the bottom of the second static grabbing device (22) is provided with a new jersey guardrail die (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220211950.9U CN218928173U (en) | 2022-01-26 | 2022-01-26 | New Jersey guardrail automatic production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220211950.9U CN218928173U (en) | 2022-01-26 | 2022-01-26 | New Jersey guardrail automatic production line |
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| Publication Number | Publication Date |
|---|---|
| CN218928173U true CN218928173U (en) | 2023-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220211950.9U Active CN218928173U (en) | 2022-01-26 | 2022-01-26 | New Jersey guardrail automatic production line |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117260956A (en) * | 2023-07-24 | 2023-12-22 | 中铁四局集团有限公司 | Bridge deck production line |
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2022
- 2022-01-26 CN CN202220211950.9U patent/CN218928173U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117260956A (en) * | 2023-07-24 | 2023-12-22 | 中铁四局集团有限公司 | Bridge deck production line |
| CN117260956B (en) * | 2023-07-24 | 2024-06-04 | 中铁四局集团有限公司 | Bridge deck production line |
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