CN218858267U - Large-traffic heavily blocks drainage flood car structure - Google Patents
Large-traffic heavily blocks drainage flood car structure Download PDFInfo
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- CN218858267U CN218858267U CN202223092365.0U CN202223092365U CN218858267U CN 218858267 U CN218858267 U CN 218858267U CN 202223092365 U CN202223092365 U CN 202223092365U CN 218858267 U CN218858267 U CN 218858267U
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Abstract
The utility model provides an among large-traffic heavy truck drainage car structure, belong to drainage car technical field. The heavy truck comprises a heavy truck chassis with a carriage body, wherein the heavy truck chassis is provided with a power take-off power generation mechanism used for reducing space occupation in the carriage body, and the carriage body is also internally provided with at least one group of water belt laying mechanism, a hydraulic tail plate structure used for storing an electric water pump and used for a working robot to enter and exit the carriage body. The power generation is carried out through the power take-off power generation mechanism, a diesel generator set and a diesel oil tank are not required to be installed in the compartment body for supplying power to the electric water pump, the occupation of the space in the compartment body can be reduced, the cost of the whole vehicle is reduced, and the saved space can be used for installing other equipment and materials.
Description
Technical Field
The utility model belongs to the technical field of the drainage car, a large-traffic heavy truck drainage car structure is related to.
Background
At present, flood prevention, drainage and drought resistance equipment in the market is technically improved greatly compared with the flood prevention, drainage and drought resistance equipment ten years ago. The flood prevention, drainage and drought resistance mainly based on medium and small-sized submersible electric pumps are replaced by the current large-flow drainage vehicles, mobile pump stations and drainage robots. The high-flow waterlogging draining truck is formed by refitting various pickup trucks, light trucks and heavy trucks on chassis, has the characteristics of flexibility, large water draining capacity, large carrying capacity of equipment and materials, convenience in operation and the like, and is popular in the market. The heavy-truck type and light-truck type drainage waterlogging vehicles are mostly provided with diesel engine generator sets in carriages, the diesel engine generator sets provide power for the portable submersible electric pump after generating electricity, or the power takeoff on the chassis is used for taking power, and the power is provided for the hydraulic drainage waterlogging pump after the hydraulic power is added;
under the prior art condition, the electric drive type large-flow waterlogging draining vehicle has the following defects: 1. the heavy truck type waterlogging draining vehicle needs to be additionally provided with a high-power diesel engine generator set in a carriage, power is provided for the electric draining pump after the diesel engine generator set generates power, the diesel engine generator set occupies a large space in the carriage, and space extrusion is formed for installing and storing other equipment or materials; 2. because a high-power diesel engine generator set is required to be additionally installed and comprises an oil tank for storing diesel oil, the manufacturing cost of the whole vehicle is higher; 3. because the high-power diesel engine generator set occupies a large compartment space, the automation degree of the whole vehicle is low, and some automatic modules and robots for assisting drainage operation cannot be installed, so that the automation degree of most electric drive type large-flow drainage waterlogging vehicles in the market is low, and the operation efficiency of the whole vehicle is influenced.
As disclosed in the chinese patent, a vehicle for quick emergency rescue, relief of disaster and drainage of waterlogging [ application number: 200710055100.4] the vehicle comprises a driving cab and a chassis of a carrying vehicle, wherein a closed emergency equipment chamber is arranged at the upper part of the chassis, the chamber is divided into a power generation equipment chamber, a hydraulic power equipment chamber and a cable receiving and releasing chamber by a partition plate, a remote control lighting device is arranged at the front part of the chamber, a plurality of storage boxes are arranged at the lower part of the chassis in an arrayed manner, and a plurality of water suction pumps, matched water conveying belts and hydraulic pipelines are arranged in the storage boxes;
the flood drainage vehicle integrates drainage, power supply, illumination and remote power transmission, has practical effects of flood prevention and relief and rapid and efficient disaster reduction, can provide a high-power emergency power supply and high-intensity illumination for construction operation in regions with disasters in time, can simultaneously drive a plurality of water suction pumps to perform controllable flood drainage and water suction operation, can also provide a plurality of paths of hydraulic power sources and power supplies for hydraulic rescue equipment in remote regions, and can be used as an emergency power supply vehicle when no flood exists at ordinary times; but the compartment of the waterlogging draining vehicle is also divided into a large space for installing power generation equipment, and space extrusion is formed for installing and storing other equipment or materials.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned problem, a large-traffic heavy truck drainage waterlogging car structure is provided.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
the heavy truck chassis is provided with a power take-off power generation mechanism used for reducing space occupation in a carriage body, and the carriage body is also internally provided with at least one group of water belt laying mechanism, a hydraulic tail plate structure used for storing an electric water pump and used for a working robot to enter and exit the carriage body.
In the utility model, the power generation is carried out through the power taking and generating mechanism to supply power to the electric water pump without installing a diesel generating set and a diesel oil tank in the carriage body, so that the occupation of the space in the carriage body can be reduced, the cost of the whole vehicle can be reduced, and the saved space can be used for installing other equipment and materials;
secondly, the single-vehicle operation efficiency of the heavy truck waterlogging drainage vehicle can be improved by installing the water hose laying mechanism and the hydraulic tail plate structure in the carriage body, so that the waterlogging drainage vehicle has the functions of water hose laying and being capable of transporting operation robots.
In foretell large-traffic heavy truck drainage waterlogging car structure, power takeoff power generation mechanism include the power takeoff that is connected with the transmission system power on the heavy truck chassis, the power takeoff passes through the shaft coupling and the universal joint links to each other with the input shaft of gear box, the gear box output shaft links to each other with the generator, the generator pass through the cable and link to each other with electric water pump. The power takeoff can take power from a transmission system on the chassis of the heavy truck, so that the generator is driven to work through the coupler, the universal joint and the gear box to generate electricity, a diesel generator set and a diesel oil tank do not need to be installed in the carriage body, the occupation of the space in the carriage body can be reduced, and the cost of the whole truck is reduced.
In the structure of the large-flow heavy truck waterlogging draining vehicle, the vehicle further comprises a control box and a frequency converter, and the generator and the electric water pump are connected with the control box and the frequency converter. The control cabinet and the frequency converter are arranged, so that the equipment can be controlled conveniently.
In the above large-flow heavy truck waterlogging draining truck structure, the truck body is further provided with a cable winch structure for outputting or recovering a cable, and the cable is wound on the cable winch in the cable winch structure. The cable capstan winch can be rotated to output or recover cables on the cable capstan winch, manual cable carrying is not needed, time and labor are saved, and efficiency is high.
In the above large-flow waterlogging draining vehicle structure for heavy trucks, the water pump storage cabin is arranged at the tail of the heavy truck chassis and is positioned below the heavy truck chassis. The water pump storage cabin with the structural design can reduce the occupation of the space in the compartment body due to the installation of the electric water pump.
In the structure of the large-flow heavy truck waterlogging drainage vehicle, the water hose laying mechanism comprises two translation seats driven by two push-pull mechanisms, the two translation seats are symmetrically arranged, the two push-pull mechanisms are arranged between the two translation seats, a winch frame used for installing a water hose winch is arranged on each translation seat, a plurality of water hose winches wound with water hoses are arranged on the winch frame, a water hose laying window corresponding to the winch frame is arranged on the side portion of the carriage, and a plurality of heat dissipation structures corresponding to the power taking and generating mechanism are further arranged on the side portion of the carriage. Can drive the window and remove to the railway carriage or compartment body outside through the hosepipe of setting at the railway carriage or compartment body lateral part is laid to the capstan winch frame on translation seat and the translation seat through push-and-pull institution to the hosepipe capstan winch on the capstan winch frame carries out the hosepipe and lays, rotates the hosepipe capstan winch and can export or retrieve the hosepipe.
In the structure of the large-flow heavy truck waterlogging draining vehicle, the translation seat is further provided with a lifting mechanism, and the lifting mechanism can drive the winch frame to lift in the vertical direction. After the winch frame moves to the outside of the compartment body, the winch frame can be driven to ascend or descend through the lifting mechanism, and a water hose winch on the winch frame can be conveniently operated by a worker after the winch frame descends.
In the large-flow heavy truck waterlogging drainage vehicle structure, the hydraulic tail plate structure comprises the tail plate driven by the two hydraulic oil cylinders, and the hydraulic oil cylinders can drive the tail plate to overturn to the outer end of the tail plate and abut against the bottom surface. Can drive the tailboard through two hydraulic cylinder and overturn to close with the railway carriage or overturn to the tailboard outer end and ground and lean on, support when the tailboard outer end and ground and lean on the back, work robot can roll into or roll out the railway carriage or compartment body through the tailboard.
In the structure of the large-flow heavy truck waterlogging draining truck, the heavy truck chassis is also provided with a hydraulic pump, the hydraulic pump is connected with an auxiliary power takeoff, an output oil path of the hydraulic pump is connected with a multi-way valve arranged on the heavy truck chassis through an oil pipe, the multi-way valve is connected with an oil inlet path of a hydraulic oil cylinder, and an oil return path of the hydraulic oil cylinder is connected with an oil return path of the hydraulic pump through the multi-way valve and a hydraulic oil tank;
the hydraulic oil tank is arranged between two main beams of the heavy truck chassis, which are positioned right below the parking position of the working robot. The hydraulic power can be provided for the hydraulic oil cylinder by arranging the hydraulic pump connected with the auxiliary power takeoff.
In the large-flow heavy truck waterlogging draining vehicle structure, the multi-way valve is connected with the operating robot through two oil pipes, and an oil pipe winch structure for outputting or recycling the oil pipe connected with the operating robot is further arranged on the heavy truck chassis. Link to each other with operation robot through oil pipe and multiple unit valve and can also provide hydraulic power for operation robot, make the utility model provides a drainage truck can enough be the energy supply of electric drive operation car, also can be the energy supply of hydraulic power operation car.
Compared with the prior art, the utility model has the advantages of:
1. the power generation is carried out through the power take-off power generation mechanism, a diesel generator set and a diesel oil tank are not required to be installed in the compartment body for supplying power to the electric water pump, the occupation of the space in the compartment body can be reduced, the cost of the whole vehicle is reduced, and the saved space can be used for installing other equipment and materials.
2. The water hose laying mechanism and the hydraulic tail plate structure are installed in the carriage body, so that the single-vehicle operation efficiency of the heavy truck waterlogging truck can be improved, and the waterlogging truck has the functions of laying the water hose and transporting an operation robot.
3. The power takeoff can take power from a transmission system on the heavy truck chassis, so that the power takeoff drives the generator to work through the coupler, the universal joint and the gear box to generate power, a diesel generator set and a diesel oil tank do not need to be installed in the carriage body, the space in the carriage body can be occupied, and the cost of the whole truck can be reduced.
4. Can drive the window and remove to the railway carriage or compartment body outside through the hosepipe of setting at the railway carriage or compartment body lateral part is laid to the capstan winch frame on translation seat and the translation seat through push-and-pull institution to the hosepipe capstan winch on the capstan winch frame carries out the hosepipe and lays, rotates the hosepipe capstan winch and can export or retrieve the hosepipe.
5. Can drive the tailboard through two hydraulic cylinder and overturn to close with the railway carriage or overturn to the tailboard outer end and ground and lean on, support when the tailboard outer end and ground and lean on the back, work robot can roll into or roll out the railway carriage or compartment body through the tailboard.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a top view of the present invention;
fig. 3 is a right side view of the present invention;
FIG. 4 is a schematic structural view of a hose laying mechanism;
FIG. 5 is a schematic view of the structure of the carriage;
FIG. 6 is a schematic structural view of a cable winch arrangement;
FIG. 7 is a schematic structural view of the tubing winch arrangement;
FIG. 8 is a schematic structural view of the tailgate;
fig. 9 is a schematic structural view in another direction of the present invention.
In the figure, a compartment body 1, a heavy truck chassis 2, a power take-off power generation mechanism 3, a water hose laying mechanism 4, an electric water pump 5, a water pump storage cabin 6, an operating robot 7, a hydraulic tail plate structure 8, a power take-off 9, a coupler 10, a gear box 11, a generator 12, a control box 13, a frequency converter 14, a cable winch structure 15, a cable winch 16, a translation seat 17, a water hose winch 18, a winch frame 19, a water hose laying window 20, a heat dissipation structure 21, a lifting mechanism 22, a tail plate 23, a hydraulic oil cylinder 24, a multi-way valve 25, a hydraulic oil tank 26 and an oil pipe winch structure 27 are arranged.
Detailed Description
As shown in fig. 1, 2 and 9, the large-flow heavy truck waterlogging draining vehicle structure comprises a heavy truck chassis 2 with a carriage 1, wherein the heavy truck chassis 2 is provided with a power take-off power generation mechanism 3 for reducing space occupation in the carriage 1, and the carriage 1 is also internally provided with at least one group of water belt laying mechanism 4 and a hydraulic tail plate structure 8 for storing an electric water pump 5 and for enabling a working robot 7 to enter and exit the carriage 1.
In the utility model, the power generation is carried out through the power taking and generating mechanism to supply power to the electric water pump without installing a diesel generating set and a diesel oil tank in the carriage body, so that the occupation of the space in the carriage body can be reduced, the cost of the whole vehicle can be reduced, and the saved space can be used for installing other equipment and materials;
secondly, install hosepipe and lay mechanism 4 and hydraulic pressure tailboard structure 8 and can improve the single car operational efficiency of heavily blocking the drainage car in the railway carriage or compartment body, make the drainage car possess the hosepipe and lay and can transport the function of operation robot.
Specifically, the power take-off power generation mechanism 3 comprises a power take-off 9 in power connection with a transmission system on the heavy truck chassis 2, the power take-off 9 is connected with an input shaft of a gear box 11 through a coupling 10 and a universal joint, an output shaft of the gear box 11 is connected with a generator 12, and the generator 12 is connected with the electric water pump 5 through a cable. The power takeoff 9 can take power from a transmission system on the heavy truck chassis 2, so that the generator is driven to work through the coupler, the universal joint and the gear box to generate electricity, a diesel generator set and a diesel oil tank do not need to be installed in the compartment body, the occupation of the space in the compartment body can be reduced, and the cost of the whole vehicle is reduced.
Preferably, as shown in fig. 2 and 9, the system further comprises a control box 13 and a frequency converter 14, and the generator 12 and the electric water pump 4 are connected to the control box 13 and the frequency converter 14. The control cabinet and the frequency converter are arranged, so that the equipment can be controlled conveniently.
Preferably, as shown in fig. 1, 6 and 9, the carriage 1 is further provided with a cable winch structure 15 for exporting or retrieving the cable, and the cable is wound on a cable winch 16 in the cable winch structure 15. The cable capstan winch can be rotated to output or recover cables on the cable capstan winch, manual cable carrying is not needed, time and labor are saved, and efficiency is high.
Specifically, the cable winch structure further comprises a cable winch frame, and at least one cable winch and a driving mechanism capable of driving the cable winch to rotate are arranged on the cable winch frame.
Preferably, as shown in fig. 9, the water pump storage compartment 6 is disposed at the rear of the heavy truck chassis 2 and below the heavy truck chassis 2. The water pump storage cabin with the structural design can reduce the occupation of the space in the compartment body due to the installation of the electric water pump.
Specifically, as shown in fig. 1-5 and 9, the water hose laying mechanism 4 includes two translation seats 17 driven by two push-pull mechanisms, the two translation seats 17 are symmetrically disposed, the two push-pull mechanisms are disposed between the two translation seats 17, a winch frame 19 for mounting a water hose winch 18 is disposed on the translation seat 17, a plurality of water hose winches 18 on which water hoses are wound are disposed on the winch frame 19, a water hose laying window 20 corresponding to the winch frame 19 is disposed on a side portion of the car body 1, and a plurality of heat dissipation structures 21 corresponding to the power take-off power generation mechanism 3 are further disposed on the side portion of the car body 1; the translation seat 17 is further provided with a lifting mechanism 22, and the lifting mechanism 22 can drive the winch frame 19 to lift in the vertical direction.
Can drive the window and remove to the railway carriage or compartment body outside through the hosepipe of setting at the railway carriage or compartment body lateral part is laid to the capstan winch frame on push-and-pull institution through the push-and-pull institution to the hosepipe on the capstan winch frame carries out the hosepipe and lays, rotate the hosepipe capstan winch and can export or retrieve the hosepipe, after the capstan winch frame removes to the railway carriage or compartment body externally, can drive the capstan winch frame through elevating system and rise or descend, can be convenient for the staff to operate the hosepipe capstan winch on the capstan winch frame after the capstan winch frame descends.
Preferably, the winch frame is further provided with a driving mechanism capable of driving the hose winch to rotate.
Specifically, the push-pull mechanism comprises an oil cylinder horizontally arranged on the heavy chassis, the oil cylinder can drive the translation seat to move horizontally through the horizontal sliding rail structure, and the lifting mechanism comprises an oil cylinder vertically arranged on the translation seat, and the oil cylinder can drive the winch frame to ascend or descend.
Specifically, as shown in fig. 1-3 and 8-9, the hydraulic tail plate structure 8 comprises a tail plate 23 driven by two hydraulic oil cylinders 24, and the hydraulic oil cylinders 24 can drive the tail plate 23 to be overturned until the outer end and the bottom surface of the tail plate 23 abut against each other. Can drive the tailboard through two hydraulic cylinder and overturn to close with the railway carriage or overturn to the tailboard outer end and ground and lean on, support when the tailboard outer end and ground and lean on the back, work robot can roll into or roll out the railway carriage or compartment body through the tailboard.
Preferably, still be equipped with two passageways with work robot's track looks adaptation on the tailboard, the protrusion sets up the sand grip that a plurality of intervals evenly set up on the passageway, and the sand grip can increase the frictional force between tailboard and the track.
Preferably, as shown in fig. 1, a hydraulic pump is further disposed on the heavy truck chassis 2, the hydraulic pump is connected to an auxiliary power takeoff, an output oil path of the hydraulic pump is connected to a multi-way valve 25 disposed on the heavy truck chassis 2 through an oil pipe, the multi-way valve 25 is connected to an oil inlet path of the hydraulic oil cylinder 24, and an oil return path of the hydraulic oil cylinder 24 is connected to an oil return path of the hydraulic pump through the multi-way valve 25 and a hydraulic oil tank 26; the hydraulic oil tank is arranged between two main beams of the heavy truck chassis 2 which are positioned right below the parking position of the working robot 7. The hydraulic power can be provided for the hydraulic oil cylinder by arranging the hydraulic pump connected with the auxiliary power takeoff.
Preferably, as shown in fig. 1 and 7, the multi-way valve 25 is further connected to the working robot 7 through two oil pipes, and an oil pipe winch structure 27 for outputting or recovering the oil pipe connected to the working robot 7 is further provided on the heavy truck chassis 2. Link to each other with operation robot through oil pipe and multiple unit valve and can also provide hydraulic power for operation robot, make the utility model provides a drainage truck can enough be the energy supply of electric drive operation car, also can be the energy supply of hydraulic power operation car.
Specifically, the oil pipe winch structure comprises an oil pipe winch frame and an oil pipe winch, wherein the oil pipe is wound on the oil pipe winch, the oil pipe winch can output or recover the oil pipe by rotating the oil pipe winch, and a driving mechanism capable of driving the oil pipe winch to rotate is preferably further arranged on the oil pipe winch frame.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although the car 1, the heavy truck chassis 2, the power take-off and power generation mechanism 3, the hose laying mechanism 4, the electric water pump 5, the water pump storage cabin 6, the working robot 7, the hydraulic tailgate structure 8, the power takeoff 9, the coupling 10, the gear box 11, the generator 12, the control box 13, the frequency converter 14, the cable winch structure 15, the cable winch 16, the translation seat 17, the hose winch 18, the winch frame 19, the hose laying window 20, the heat dissipation structure 21, the lifting mechanism 22, the tailgate 23, the hydraulic cylinder 24, the multi-way valve 25, the hydraulic oil tank 26, the oil pipe winch structure 27, etc., are used more herein, these terms are merely used for more convenient description and explanation of the essence of the present invention; they are to be construed as being without limitation to any one of the additional limitations of the present invention.
Claims (10)
1. The large-flow heavy truck waterlogging draining vehicle structure comprises a heavy truck chassis (2) with a carriage body (1), and is characterized in that the heavy truck chassis (2) is provided with a power taking and generating mechanism (3) used for reducing space occupation in the carriage body (1), and the carriage body (1) is also internally provided with at least one group of water belt laying mechanism (4), a water pump storage cabin (6) used for storing an electric water pump (5) and a hydraulic tail plate structure (8) used for a working robot (7) to enter and exit the carriage body (1).
2. The high-flow heavy truck waterlogging draining vehicle structure according to claim 1, wherein the power take-off and power generation mechanism (3) comprises a power take-off (9) in power connection with a transmission system on the heavy truck chassis (2), the power take-off (9) is connected with an input shaft of a gear box (11) through a coupling (10) and a universal joint, an output shaft of the gear box (11) is connected with a generator (12), and the generator (12) is connected with the electric water pump (5) through a cable.
3. The high-flow heavy-truck waterlogging draining truck structure according to claim 2, further comprising a control box (13) and a frequency converter (14), wherein the generator (12) and the electric water pump (5) are both connected with the control box (13) and the frequency converter (14).
4. The high-flow heavy truck waterlogging draining vehicle structure according to claim 2, wherein the carriage (1) is further provided with a cable winch structure (15) for outputting or recovering a cable, and the cable is wound on a cable winch (16) in the cable winch structure (15).
5. A high-flow heavy truck waterlogging draining vehicle structure according to any one of claims 1-4, wherein said water pump storage compartment (6) is arranged at the rear of the heavy truck chassis (2) and below the heavy truck chassis (2).
6. The structure of the large-flow heavy truck waterlogging drainage vehicle according to any one of claims 1-4, wherein the water hose laying mechanism (4) comprises two translation seats (17) driven by two push-pull mechanisms, the two translation seats (17) are symmetrically arranged, the two push-pull mechanisms are arranged between the two translation seats (17), a winch frame (19) for mounting a water hose winch (18) is arranged on the translation seat (17), a plurality of water hose winches (18) wound with water hoses are arranged on the winch frame (19), a water hose laying window (20) corresponding to the winch frame (19) is arranged on the side of the vehicle body (1), and a plurality of heat dissipation structures (21) corresponding to the power take-off power generation mechanism (3) are further arranged on the side of the vehicle body (1).
7. The high-flow heavy-truck waterlogging draining truck structure according to claim 6, wherein a lifting mechanism (22) is further provided on the translation seat (17), and the lifting mechanism (22) can drive the winch frame (19) to lift in the vertical direction.
8. The high-flow heavy-truck waterlogging draining truck structure according to any one of claims 2-4, wherein the hydraulic tailboard structure (8) comprises a tailboard (23) driven by two hydraulic cylinders (24), and the hydraulic cylinders (24) can drive the tailboard (23) to be turned over until the outer end and the bottom surface of the tailboard (23) abut against each other.
9. The large-flow heavy truck waterlogging draining vehicle structure according to claim 8, wherein a hydraulic pump is further arranged on the heavy truck chassis (2), the hydraulic pump is connected with an auxiliary power takeoff, an output oil path of the hydraulic pump is connected with a multi-way valve (25) arranged on the heavy truck chassis (2) through an oil pipe, the multi-way valve (25) is connected with an oil inlet path of a hydraulic oil cylinder (24), and an oil return path of the hydraulic oil cylinder (24) is connected with an oil return path of the hydraulic pump through the multi-way valve (25) and a hydraulic oil tank (26);
the hydraulic oil tank (26) is arranged between two main beams of the heavy truck chassis (2) which are positioned right below the parking position of the operation robot (7).
10. The high-flow heavy truck waterlogging draining vehicle structure according to claim 9, wherein the multi-way valve (25) is further connected with the operation robot (7) through two oil pipes, and an oil pipe winch structure (27) for outputting or recycling the oil pipe connected with the operation robot (7) is further arranged on the heavy truck chassis (2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202223092365.0U CN218858267U (en) | 2022-11-17 | 2022-11-17 | Large-traffic heavily blocks drainage flood car structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223092365.0U CN218858267U (en) | 2022-11-17 | 2022-11-17 | Large-traffic heavily blocks drainage flood car structure |
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| CN218858267U true CN218858267U (en) | 2023-04-14 |
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| CN202223092365.0U Active CN218858267U (en) | 2022-11-17 | 2022-11-17 | Large-traffic heavily blocks drainage flood car structure |
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2022
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