CN213199379U - Wheeled vehicle dragging and rescuing device - Google Patents
Wheeled vehicle dragging and rescuing device Download PDFInfo
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- CN213199379U CN213199379U CN202022193479.9U CN202022193479U CN213199379U CN 213199379 U CN213199379 U CN 213199379U CN 202022193479 U CN202022193479 U CN 202022193479U CN 213199379 U CN213199379 U CN 213199379U
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Abstract
The utility model provides a wheeled vehicle drags and rescues device, include: one end of the towing bar is suitable for being connected with a towing vehicle, the other end of the towing bar is suitable for being connected with a fault vehicle, a control connector of the towing vehicle is connected with a parking brake air pipe of the fault vehicle and an air inlet pipe of a rear brake air storage tank through a first air inflation piece, and an energy supply connector of the towing vehicle is connected with a front brake air pipe and a rear brake air pipe of the fault vehicle through a second air inflation piece; the synchronous signal component comprises a light synchronous connecting wire, one end of the light synchronous connecting wire is electrically connected with the tractor, and the other end of the light synchronous connecting wire is electrically connected with the fault car to synchronize the signal light indication of the tractor and the fault car. The parking brake release and the inflation of the rear brake gas storage tank of the fault vehicle are realized by inflating the parking brake gas pipe and the rear brake gas storage tank of the fault vehicle, and meanwhile, the front brake gas pipe and the rear brake gas pipe of the fault vehicle are inflated, so that the synchronous braking of the tractor and the fault vehicle is realized, and the driving safety in the vehicle rescue process is ensured.
Description
Technical Field
The utility model relates to a vehicle rescue technical field, concretely relates to wheeled vehicle drags and rescues device.
Background
At present, wheeled vehicles such as transport vehicles and tractors with the brake mode of over 3.5 tons are all air-braked, so that the problems of incapability of running or brake failure and the like caused by faults of engines, gearboxes, air pumps and the like sometimes occur in the daily use process, and at the moment, if the wheeled vehicles are inconvenient to maintain in the field, the faulty vehicles need to be dragged and rescued. The following problems are easy to occur in the process of dragging and rescuing:
firstly, the problem that the failed vehicle can not be synchronously braked in the process of dragging and rescuing. When the fault vehicle has no brake or insufficient brake force, if the fault vehicle is braked or runs on a downhill road or a complex road surface in case of emergency, the problem that the rear vehicle is dragged and rescued and the front vehicle on the rear roof is easy to occur, so that the problems of increased brake distance, tail flicking of the rear vehicle, vehicle damage and even vehicle overturning are caused;
and secondly, the problem that the fault vehicle and the traction vehicle cannot realize synchronous signal indication. When a plurality of vehicles are on the road or vehicles are in formation for driving, if emergency braking is performed under special conditions, the problems of braking delay, rear-end collision of the rear vehicle and the like are easily caused due to asynchronous braking signals and short reaction time of a driver;
thirdly, the braking of the complex road section is frequent, which easily causes the rapid reduction of the braking air pressure and influences the braking of the vehicle. When a vehicle runs on a steep slope, a sharp bend, a wet depression and other complicated road sections, the braking operation of a driver is frequent, so that the braking air pressure is easy to drop quickly, and the instability of vehicle braking is caused.
Therefore, it is necessary to develop a wheeled vehicle rescuing device for solving at least one of the above-mentioned technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a wheeled vehicle drags and rescues device to the driving safety of vehicle dragging and rescuing in-process has been ensured.
The above object of the present invention can be achieved by the following technical solutions:
the utility model provides a wheeled vehicle drags and rescues device, include:
the traction assembly comprises a traction bar, a first inflation piece and a second inflation piece, one end of the traction bar is suitable for being connected with a traction vehicle, the other end of the traction bar is suitable for being connected with a fault vehicle, a control connector of the traction vehicle is connected with a parking brake air pipe of the fault vehicle and an air inlet pipe of a rear brake air storage tank through the first inflation piece, and an energy supply connector of the traction vehicle is connected with a front brake air pipe and a rear brake air pipe of the fault vehicle through the second inflation piece;
the synchronous signal subassembly, the synchronous signal subassembly includes the synchronous connecting wire of light, the one end of the synchronous connecting wire of light with the tractor electricity is connected, the other end of the synchronous connecting wire of light with trouble car electricity is connected in order to synchronize the tractor with the signal lamp of trouble car is instructed.
In some embodiments of the present invention, the first inflation member comprises a first trailer valve joint, one end of the first trailer valve joint is adapted to be connected to the control connector, and the other end of the first trailer valve joint is adapted to be connected to the parking brake pipe and the intake pipe of the rear brake gas tank through a first trailer pipe.
In some embodiments of the invention, the second inflation member comprises a second trailer valve connector, one end of the second trailer valve connector is adapted to be connected to the energy supply connector, and the other end of the second trailer valve connector is adapted to be connected to the front and rear brake pipes through a second trailer pipe.
The utility model discloses an in some embodiments, the one end of the synchronous connecting wire of light through first seven holes quick-operation joint with the first seven holes sockets of tractor link to each other, the other end of the synchronous connecting wire of light through second seven holes quick-operation joint with the seven holes sockets of second of trouble car link to each other.
The utility model discloses an in some embodiments, still include atmospheric pressure dynamic compensation subassembly, atmospheric pressure dynamic compensation subassembly includes atmospheric pressure dynamic compensation gas cylinder, atmospheric pressure dynamic compensation gas cylinder is used for right the back braking gas holder of trouble car carries out the tonifying qi.
The utility model discloses an in some embodiments, atmospheric pressure dynamic compensation subassembly is still including connecting the trachea, atmospheric pressure dynamic compensation gas cylinder passes through connect the trachea with the back braking gas holder of trouble car links to each other.
In some embodiments of the present invention, the connecting air pipe is provided with a barometer for detecting and controlling the air pressure of the air pressure dynamic compensation cylinder.
In some embodiments of the utility model, still be equipped with on the connecting gas pipe and be used for control connect the automatically controlled pneumatic valve of trachea break-make, the barometer is located automatically controlled pneumatic valve with between the atmospheric pressure dynamic compensation gas cylinder.
In some embodiments of the present invention, the air pressure dynamic compensation assembly further comprises a pressure controller, and the pressure controller is electrically connected to the electric control air valve.
In some embodiments of the present invention, the air pressure dynamic compensation module further comprises a power line, one end of the power line is electrically connected to the electric control air valve, and the other end of the power line is suitable for being electrically connected to the storage battery of the fault car.
The utility model discloses a wheeled vehicle drags and rescues device's characteristics and advantage are: the gas path connection of the tractor and the fault car is divided into two branches, wherein the first branch is; the control connector of the tractor is connected with the parking brake air pipe of the fault car and the air inlet pipe of the rear brake air storage tank through the first air inflation piece, and is used for inflating the parking brake air pipe and the rear brake air storage tank of the fault car to realize parking brake release of the fault car and inflation of the rear brake air storage tank, and the second branch is; the energy supply connector of tractor passes through the second aerify piece with the front and back brake trachea of trouble car links to each other, and the effect is aerifyd for the front and back brake trachea of trouble vehicle, and tractor and trouble car pass through the pull bar to realize the synchronous braking of tractor and trouble car, in order to ensure the driving safety of vehicle rescue in-process.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic view of a wheeled vehicle rescue apparatus according to an embodiment of the present invention;
fig. 2 is a schematic diagram of the air pressure dynamic compensation assembly according to the embodiment of the present invention in a state of being matched with a fault vehicle.
The reference numbers illustrate:
1. a traction assembly; 11. a traction bar; 12. a first inflatable member; 121. a first trailer valve connector; 122. a first dragging and hanging air pipe; 13. a second inflatable member; 131. a second trailer valve connector; 132. a second trailing air pipe;
2. a tractor; 21. a control connector; 22. an energy supply connector;
3. a breakdown vehicle; 31. then braking the air storage tank; 311. an air inlet pipe; 32. front and rear brake air pipes;
4. a synchronization signal component; 41. a lamplight synchronous connecting wire; 42. a first seven-hole quick connector; 43. a second seven-hole quick connector;
5. an air pressure dynamic compensation component; 51. the air pressure dynamically compensates the air bottle; 52. connecting an air pipe; 53. a barometer; 54. an electric control air valve; 55. a pressure controller.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 and 2, the utility model provides a wheeled vehicle rescue device, include: the traction assembly 1 comprises a traction bar 11, a first inflating part 12 and a second inflating part 13, one end of the traction bar 11 is suitable for being connected with a traction vehicle 2, the other end of the traction bar 11 is suitable for being connected with a fault vehicle 3, a control connector 21 of the traction vehicle 2 is connected with a parking brake air pipe of the fault vehicle 3 and an air inlet pipe 311 of a rear brake air storage tank 31 through the first inflating part 12, and an energy supply connector 22 of the traction vehicle 2 is connected with a front brake air pipe 32 and a rear brake air pipe 32 of the fault vehicle 3 through the second inflating part 13; synchronous signal subassembly 4, synchronous signal subassembly 4 includes light synchronous connection line 41, the one end of light synchronous connection line 41 with the tractor 2 electricity is connected, the other end of light synchronous connection line 41 with trouble car 3 electricity is connected in order to synchronize tractor 2 with the signal lamp of trouble car 3 indicates.
It can be understood that the tractor 2 can be parked right in front of the fault vehicle 3, the distance between the two vehicles is 4 meters, the front face protective cover of the fault vehicle 3 is detached, the connectors of the parking brake air pipe and the air inlet pipe 311 of the rear brake air storage tank 31 are detached, and the air path connection between the tractor 2 and the fault vehicle 3 is divided into two branches, wherein the first branch is; the control connector 21 of the tractor 2 is connected with the parking brake air pipe of the fault car 3 and the air inlet pipe 311 of the rear brake air storage tank 31 through the first air inflation piece 12, and is used for inflating the parking brake air pipe of the fault car 3 and the rear brake air storage tank 31 to release the parking brake of the fault car 3 and inflate the rear brake air storage tank 31, and the second branch is; energy supply connector 22 of tractor 2 passes through the second piece of aerifing 13 with the front and back brake trachea 32 of trouble car 3 links to each other, and the effect is aerifyd for the front and back brake trachea 32 of trouble car 3, and tractor 2 passes through pull rod 11 with trouble car 3 to realize tractor 2 and the synchronous braking of trouble car 3, in order to ensure the driving safety of vehicle rescue in-process.
The utility model discloses an in some embodiments, the length of draw bar 11 is 3.5 meters, and diameter 120mm installs in 2 draw hooks of tractor and trouble car 3 bumper departments, can provide the power of advancing forward and backing a car, has guaranteed the safe distance of tractor 2 with trouble car 3 simultaneously.
In some embodiments of the present invention, the first inflation member 12 comprises a first trailer valve connector 121, one end of the first trailer valve connector 121 is adapted to be connected to the control connector 21, and the other end of the first trailer valve connector 121 is adapted to be connected to the parking brake pipe and the intake pipe 311 of the rear brake gas tank 31 through a first trailer gas pipe 122.
In some embodiments of the present invention, the second inflation member 13 comprises a second trailer valve connector 131, one end of the second trailer valve connector 131 is adapted to be connected to the energy supply connector 22, and the other end of the second trailer valve connector 131 is adapted to be connected to the front and rear brake air pipes 32 through a second trailer air pipe 132.
In some embodiments of the present invention, one end of the light synchronization connection line 41 is connected to the first seven-hole socket of the tractor 2 through a first seven-hole quick connector 42, and the other end of the light synchronization connection line 41 is connected to the second seven-hole socket of the fault car 3 through a second seven-hole quick connector 43. Therefore, the tractor 2 can control the signal lamp circuit of the fault car 3, and synchronous signal lamp indication is realized.
The utility model discloses an in some embodiments, still include atmospheric pressure dynamic compensation subassembly 5, atmospheric pressure dynamic compensation subassembly 5 includes atmospheric pressure dynamic compensation gas cylinder 51, atmospheric pressure dynamic compensation gas cylinder 51 is used for right the back braking gas holder 31 of trouble car 3 carries out the tonifying qi. Therefore, the problem that the air pressure is insufficient during running and braking under 3 complex road conditions of the fault vehicle and collides with the traction device and the tractor by 2 vehicles is solved, the air pressure dynamic compensation assembly 5 is used for reducing the air inflation time of 3 air storage tanks of the fault vehicle, and the effect of braking is improved.
The utility model discloses an in some embodiments, atmospheric pressure dynamic compensation gas cylinder 51 installs on the gas cylinder mount, and the effect is in the driving process, and when 3 rear brake gas holders 31 atmospheric pressure of trouble car were less than 5MP, atmospheric pressure dynamic compensation gas cylinder 51 inflated the pressurization for rear brake gas holder 31 rapidly, improved the braking effect of 3 of trouble car.
Further, the gas cylinder fixing frame is fixed on the fuel tank bumper and plays a role in fixing the gas pressure dynamic compensation gas cylinder 51.
In some embodiments of the present invention, the pneumatic dynamic compensation module 5 further includes a connection air pipe 52, and the pneumatic dynamic compensation air bottle 51 is connected to the rear braking air storage tank 31 of the fault car 3 through the connection air pipe 52.
In some embodiments of the present invention, the connecting air pipe 52 is provided with an air pressure gauge 53 for detecting and controlling the air pressure of the air pressure dynamic compensation air bottle 51. The barometer 53 can be installed on the outlet connecting air pipe 52 of the three-way valve of the air pressure dynamic compensation air bottle 51, and is used in cooperation with the air pressure dynamic compensation air bottle 51 to detect and control the outlet air pressure of the air pressure dynamic compensation air bottle 51, so as to prevent the rear brake air storage tank 31 from being overhigh in air pressure and burning the pressure controller 55.
In some embodiments of the present invention, an electrically controlled air valve 54 for controlling the on-off of the connecting air pipe 52 is further disposed on the connecting air pipe 52, and the barometer 53 is located between the electrically controlled air valve 54 and the air pressure dynamic compensation air bottle 51. The electric control air valve 54 is connected with the air outlet of the air pressure meter 53 through the connecting air pipe 52, is matched with the air pressure dynamic compensation air bottle 51 for use, and is used for realizing the on-off of an air path under the control of the pressure controller 55.
In some embodiments of the present invention, the air pressure dynamic compensation assembly 5 further comprises a pressure controller 55, wherein the pressure controller 55 is electrically connected to the electric control air valve 54. The pressure controller 55 operating voltage is: 24V. The pressure controller 55 is installed on the air outlet of the electric control air valve 54 and is used in cooperation with the air pressure dynamic compensation air bottle 51, and the function is that when the air pressure of the air storage tank of a fault vehicle 3 is smaller than a preset pressure value (5MP) of the pressure controller 55, the set point sensor generates a step signal to trigger a micro switch in the controller, so that a circuit system loop is closed, and the electric control air valve 54 is powered on and opened for ventilation.
In some embodiments of the present invention, the air pressure dynamic compensation module 5 further comprises a power line, one end of the power line is electrically connected to the electric control air valve 54, and the other end of the power line is suitable for being electrically connected to the storage battery of the fault car 3. The power line is arranged on the positive and negative poles of the storage battery of the fault car 3 and is connected with the pressure controller 55.
The utility model discloses an in some embodiments, still include three-way valve, first three-way valve is installed on the intake pipe 311 of the parking braking trachea of trouble car 3 and back braking gas holder 31, and the second three-way valve is installed on the braking trachea 32 around trouble car 3, and the effect is connected the trailer trachea with trouble car 3 to be divided into two with the front truck gas circuit, realize that the parking braking trachea of trouble car 3, back braking gas holder 31 and front and back braking trachea 32 are aerifyd in step. The third three-way valve is installed on the air outlet pipe of the air pressure dynamic compensation air bottle 51 so as to facilitate the connection of the connecting air pipe 52.
It can be understood that the pneumatic dynamic compensation assembly 5 connects the pneumatic dynamic compensation gas cylinder 51, the barometer 53, the electronic control gas valve 54 and the pressure controller 55 through the connecting gas pipe 52, and connects the pneumatic dynamic compensation gas cylinder with the rear brake gas cylinder 31 of the faulty vehicle 3, and the function is that when the pneumatic pressure of the rear brake gas cylinder 31 of the faulty vehicle 3 is smaller than the preset pressure value (5MP) of the pressure controller 55, the set point sensor of the pressure controller 55 generates a step signal, triggers the micro switch inside the controller, closes the circuit system loop, energizes the electronic control gas valve 54 to open the vent line, and supplements the high-pressure gas in the pneumatic dynamic compensation gas cylinder 51 to the rear brake gas cylinder 31 of the faulty vehicle 3, thereby improving the braking effect of the faulty vehicle 3. The single braking air pressure recovery time is as follows: and 2S.
In addition, in the actual use process, aiming at the air path pipelines of different vehicle types, air pipe joints with different interfaces can be manufactured, and the versatility of the wheeled vehicle dragging and rescuing device is improved.
Wherein; the working pressure range of the pneumatic dynamic compensation cylinder 51 is as follows: 5MP to 15 MP. 15MP is rated maximum air pressure of the air cylinder, 5MP is the lowest air pressure of the pipeline during braking, and when the air pressure of the air cylinder is lower than 5MP, inflation and pressurization are needed.
According to the utility model discloses wheeled vehicle drags and rescues device, the vehicle breaks down, when needing to drag and rescue. Through various gas (electricity) connecting pipelines and the air pressure dynamic compensation device, 3 air pressure compensation of the fault vehicle is realized, and the effects of synchronously braking the front vehicle and the rear vehicle and relieving the mutual impact of the draft bar 11 on the two vehicles are achieved. Meanwhile, the front vehicle signal and the rear vehicle signal are synchronous through the lamplight synchronous connecting wire 41, and the safety factor in the vehicle towing process is improved.
The utility model discloses wheeled vehicle drags and rescues device on the basis that deep research wheeled vehicle equips structural feature, according to "practical, well-used, general" thinking to solve former 3 that drag and rescue in-process trouble car and have no air brake, brake atmospheric pressure descends fast and outstanding problems such as asynchronous with the signal indication. Through extensive research and long-term tests, the research and design of the wheel type vehicle dragging and rescuing device are carried out. The wheel vehicle dragging and rescuing device aims to realize rapid dragging and rescuing of the wheel vehicle, therefore, the combined tool is provided with: the device has the advantages of convenient installation, easy operation, obvious effect, safety, reliability, optimized volume and convenient carrying.
Compared with the single use of a hard traction device, the braking distance of the wheel type vehicle dragging and rescuing device is shortened by more than 50 percent (see a table I; a braking efficiency comparison test data table). The time for manually releasing the 3 parking brakes of the fault vehicle is 12 minutes, and the time for releasing the 3 parking brakes of the fault vehicle by using the wheel type vehicle dragging and rescuing device is 7 minutes.
Brake efficiency comparison meter (Cement floor)
Table one; brake efficiency comparison test data table
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A wheeled vehicle rescue apparatus, comprising:
the traction assembly comprises a traction bar, a first inflation piece and a second inflation piece, one end of the traction bar is suitable for being connected with a traction vehicle, the other end of the traction bar is suitable for being connected with a fault vehicle, a control connector of the traction vehicle is connected with a parking brake air pipe of the fault vehicle and an air inlet pipe of a rear brake air storage tank through the first inflation piece, and an energy supply connector of the traction vehicle is connected with a front brake air pipe and a rear brake air pipe of the fault vehicle through the second inflation piece;
the synchronous signal subassembly, the synchronous signal subassembly includes the synchronous connecting wire of light, the one end of the synchronous connecting wire of light with the tractor electricity is connected, the other end of the synchronous connecting wire of light with trouble car electricity is connected in order to synchronize the tractor with the signal lamp of trouble car is instructed.
2. A wheeled vehicle rescue apparatus as claimed in claim 1, wherein the first inflation member includes a first trailer valve connection adapted at one end thereof for connection to the control connector and at the other end thereof for connection to the parking brake air line and the air inlet line of the rear brake air reservoir via a first trailer air line.
3. A wheeled vehicle rescue apparatus according to claim 1, wherein the second inflation member includes a second trailer valve connector, one end of the second trailer valve connector being adapted to be connected to the energizing connector and the other end of the second trailer valve connector being adapted to be connected to the front and rear brake air pipes via a second trailer air pipe.
4. A wheeled vehicle rescuing device as claimed in claim 1, wherein one end of the light synchronizing connecting line is connected to the first seven-hole socket of the towing vehicle through a first seven-hole quick coupling, and the other end of the light synchronizing connecting line is connected to the second seven-hole socket of the breakdown vehicle through a second seven-hole quick coupling.
5. The wheeled vehicle rescuing device as claimed in claim 1, further comprising an air pressure dynamic compensation assembly including an air pressure dynamic compensation cylinder for air-replenishing a rear brake air tank of the failed vehicle.
6. A wheeled vehicle rescuing device as claimed in claim 5, wherein said pneumatic dynamic compensation module further comprises a connecting air tube, and said pneumatic dynamic compensation air cylinder is connected to a rear braking air tank of said failed vehicle through said connecting air tube.
7. A wheeled vehicle rescuing device as claimed in claim 6, wherein a barometer for detecting and controlling the magnitude of the air pressure dynamic compensation cylinder is provided on the connecting air pipe.
8. The wheeled vehicle rescuing device as claimed in claim 7, wherein an electrically controlled gas valve for controlling the on-off of the connecting air pipe is further provided on the connecting air pipe, and the barometer is located between the electrically controlled gas valve and the pneumatic dynamic compensation gas cylinder.
9. A wheeled vehicle rescue apparatus according to claim 8, wherein the pneumatic dynamic compensation assembly further includes a pressure controller electrically connected to the electrically controlled gas valve.
10. A wheeled vehicle rescue apparatus according to claim 9, wherein the pneumatic dynamic compensation assembly further includes a power cord having one end electrically connected to the electrically controlled gas valve and the other end adapted to be electrically connected to a battery of the malfunctioning vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022193479.9U CN213199379U (en) | 2020-09-29 | 2020-09-29 | Wheeled vehicle dragging and rescuing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022193479.9U CN213199379U (en) | 2020-09-29 | 2020-09-29 | Wheeled vehicle dragging and rescuing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213199379U true CN213199379U (en) | 2021-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022193479.9U Active CN213199379U (en) | 2020-09-29 | 2020-09-29 | Wheeled vehicle dragging and rescuing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213199379U (en) |
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2020
- 2020-09-29 CN CN202022193479.9U patent/CN213199379U/en active Active
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