CN220281354U

CN220281354U - Trailer auxiliary device

Info

Publication number: CN220281354U
Application number: CN202321499098.0U
Authority: CN
Inventors: 徐建磊
Original assignee: Avatr Technology Chongqing Co Ltd
Current assignee: Avatr Technology Chongqing Co Ltd
Priority date: 2023-06-13
Filing date: 2023-06-13
Publication date: 2024-01-02
Anticipated expiration: 2033-06-13

Abstract

The application belongs to the road rescue field, discloses a trailer auxiliary device for bear trouble vehicle wheel, include: the device comprises a fixed seat, a shifting mechanism and a wheel fixing mechanism; the upper end of the fixed seat is provided with a limit groove for placing wheels; the shifting mechanism is used for supporting the fixing base, the shifting mechanism is arranged at the bottom of the fixing base, and the wheel fixing mechanism is used for fixing the wheels in the limiting grooves from the upper parts of the limiting grooves. The rear wheels of the fault-bearing vehicle are realized, the fixing seat is connected with the wheels of the vehicle, so that the wheels can still move under the condition of the vehicle fault, and the vehicle is convenient to haul. According to the auxiliary trailer with the wheel fixing mechanism, the auxiliary trailer is provided with the bottom fixing seat and the at least three auxiliary and wheel fixing mechanisms, wheels are prevented from moving out of the limiting grooves for placing the wheels when the auxiliary trailer is used, the rescue time for rescue operation under the extreme conditions that the gearbox cannot be unlocked manually is saved, and the rescue operation under the extreme conditions can be realized.

Description

Trailer auxiliary device

Technical Field

The application belongs to the technical field of road rescue, and particularly relates to a trailer auxiliary device.

Background

In the event of a vehicle experiencing engine water ingress, engine internal mechanical failure, gearbox failure, EMF motor mechanical failure, and vehicle no-power, it is necessary to manually disengage the gearbox P-stage or EMF to move the vehicle. However, in some cases, due to the fact that the field is not provided with suitable auxiliary tools, the manual unlocking of the rescue workers often takes a long time, and even the operation is sometimes carried out under extreme conditions, such as a water accumulation area or a narrow parking area, so that the rescue workers of the vehicle are challenged.

Disclosure of Invention

In view of the above problems, the embodiments of the present application provide a trailer auxiliary device to assist a trailer in achieving rescue of a faulty vehicle, so as to save rescue time of the faulty vehicle.

According to an aspect of an embodiment of the present utility model, there is provided a trailer assistance device for carrying a faulty vehicle wheel, the trailer assistance device comprising:

the upper end of the fixed seat is provided with a limit groove for placing wheels;

the displacement mechanism is used for supporting the fixed seat and is arranged at the bottom of the fixed seat;

the wheel fixing mechanism is used for fixing the wheels in the limiting grooves from the upper parts of the limiting grooves.

In an alternative, the wheel securing mechanism includes: the device comprises a side plate fixed at the top of a fixed seat and positioned at one side of a limit groove a, at least one group of telescopic components with one end fixed on the side plate through rotating shafts, and a clamping plate fixed at the other end of the telescopic components.

In an alternative, the telescoping assembly comprises: column, lantern ring, adjusting bracket, telescopic link and fixed plate.

The cylinder is fixed on the side plate, and the lantern ring is sleeved on the outer side of the cylinder;

one end of the adjusting bracket is fixedly connected with the lantern ring, the other end of the adjusting bracket is provided with a plug hole, one end of the telescopic rod penetrates through the plug hole and is arranged in the adjusting bracket, and the other end of the telescopic rod is fixedly connected with the fixing plate;

the clamping plate is fixed on the fixing plate.

In an alternative, the telescoping assembly further comprises: a threaded rod;

the screw hole has still been seted up to the other end of adjusting the support, and fixed plate and screw hole are passed in proper order to the one end of threaded rod, and the threaded rod is connected with the fixed plate pivot, and the other end and the hand wheel fixed connection of threaded rod.

In an alternative, the threaded rod is connected to the fixed plate shaft by a bearing.

In an alternative, the telescoping assemblies are in two groups.

In an alternative mode, the bottom of the fixing base is also provided with a plurality of rollers.

In an alternative, the displacement mechanism comprises a number of auxiliary wheels.

In an alternative, the rollers are arranged in a linear array.

In an alternative mode, one side of the clamping plate, which is close to the telescopic rod, is provided with an arc-shaped opening;

the radian of the arc-shaped opening is the same as the radian of the wheel.

In an alternative mode, a plurality of anti-skid grooves are formed in the limiting groove;

the side wall of the limit groove is arranged in an arc-shaped inclined way.

The auxiliary device for the vehicle is characterized in that the upper end of the fixed seat is provided with a limit groove for placing wheels through the fixed seat, the shifting mechanism and the wheel fixing mechanism; the shift mechanism is used for supporting the fixing base, and the shift mechanism is arranged at the bottom of the fixing base, so that the rear wheels of a fault vehicle are borne, the fixing base is connected with the wheels of the automobile, the wheels are prevented from moving out of the limit grooves for placing the wheels when the trailer is assisted, and therefore the wheels can still move under the condition of automobile fault, and the haulage of the automobile is facilitated. According to the vehicle rescue device, rescue of a fault vehicle is achieved through the bottom fixing seat, the shifting mechanism and the wheel fixing mechanism auxiliary trailer, wheels are prevented from moving out of the limiting grooves for placing the wheels when the auxiliary trailer is used, and rescue time of the fault vehicle is saved. The rescue of the fault vehicle which can not be unlocked manually by the gearbox is realized, the rescue time for carrying out rescue operation under extreme conditions such as the incapability of being unlocked manually by the gearbox is saved, and the rescue operation under extreme conditions can be realized. The rescue of the fault vehicle which can not be unlocked manually on the gearbox in a water accumulation area or a narrow parking area can be realized.

The foregoing description is only an overview of the technical solutions of the embodiments of the present application, and may be implemented according to the content of the specification, so that the technical means of the embodiments of the present application can be more clearly understood, and the following detailed description of the present application will be presented in order to make the foregoing and other objects, features and advantages of the embodiments of the present application more understandable.

Drawings

In order to more clearly illustrate the technical solutions of the present application, the drawings that are needed in 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 application, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic illustration of the structure of the trailer assistance apparatus of the present application in one embodiment;

FIG. 2 is a schematic illustration of the structure of the trailer assistance apparatus of the present application in another embodiment;

FIG. 3 is a schematic view of the trailer assistance apparatus of the present application in yet another embodiment;

FIG. 4 is a schematic illustration of the use of the trailer assistance apparatus of the present application in moving a faulty vehicle;

fig. 5 is a partial enlarged view at a in fig. 4.

Reference numerals in the drawings: 1. a fixing seat; 2. a bead; 3. a side plate; 4. adjusting the bracket; 5. a telescopic rod; 6. a threaded rod; 7. a fixing plate; 8. hand-operated wheels; 9. a card strip plate; 10. an auxiliary wheel; 11. a roller; 12. a cylinder; 13. a collar; a. and a limit groove.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, based on the embodiments herein, which a person of ordinary skill in the art would obtain without making any inventive effort, are within the scope of what is claimed herein.

Fig. 1 illustrates the structure of a trailer assistance device provided in the present application. The trailer assistance device is used for bearing the faulty vehicle wheels and assisting the trailer in dragging the faulty vehicle. The auxiliary device for the trailer comprises a fixing seat 1, a shifting mechanism and a wheel fixing mechanism. The displacement mechanism comprises a number of auxiliary wheels 10. The application provides a trailer auxiliary device includes fixing base 1, displacement mechanism and wheel fixed establishment, and wherein, auxiliary wheel 10 can set up to 3, 4, 5 or 6 etc.. The auxiliary device for the trailer assists the trailer to realize rescue of the fault vehicle through the bottom fixing seat 1, the shifting mechanism and the wheel fixing mechanism, so that wheels are prevented from moving out of the limiting grooves when the trailer is assisted, and rescue time of the fault vehicle is saved. The rescue of the fault vehicle which can not be unlocked manually by the gearbox is realized, the rescue time for carrying out rescue operation under extreme conditions such as the incapability of being unlocked manually by the gearbox is saved, and the rescue operation under extreme conditions can be realized. The rescue of the fault vehicle which can not be unlocked manually on the gearbox in a water accumulation area or a narrow parking area can be realized.

Bear the weight of the rear wheel of trouble vehicle through fixing base 1, shift mechanism and wheel fixed establishment for be connected fixing base 1 with the auto wheel, prevent to shift out in the spacing groove a of wheel from placing the wheel when supplementary trailer, thereby make under the auto trouble condition, the wheel still can remove, thereby the convenience is hauled the car. The device can be installed on the axle after the wheels are detached, so that the internal structure of the automobile is not damaged.

Specifically, in the illustration of fig. 1, the upper end of the fixing seat is provided with a limit groove a for placing a wheel, the top of the fixing seat 1 is fixedly connected with a rim 2, and the rim 2 and the top of the fixing seat 1 are provided with limit grooves a; the auxiliary wheels 10 are used for supporting the fixed seat 1, at least three auxiliary wheels 10 are arranged at the bottom of the fixed seat 1, a plurality of auxiliary wheels 10 are fixedly connected to the bottom of the fixed seat 1 close to the left side and the right side, and the wheel fixing mechanism is used for fixing wheels in the limit groove a from the upper side of the limit groove a. The bottom of the fixed seat 1 is also provided with a plurality of rollers 11. The bottom of the fixing seat 1 is fixedly connected with a plurality of rollers 11 at the positions close to the front side and the rear side, and the plurality of rollers 11 can stably run in the transportation process and can uniformly bear the weight of a vehicle; the rollers 11 are arranged in a linear array from left to right. Specifically, in order to increase the friction force between the wheel and the limit groove a, a plurality of anti-skid grooves are formed in the limit groove a; in order to increase the contact area between the limit groove and the rear wheel of the fault vehicle, namely in order to increase the friction force between the wheel and the limit groove a, the side wall of the limit groove a is arranged in an arc-shaped inclined manner.

In the illustrations of fig. 4 and 5, when the auxiliary trailer is needed to rescue the faulty vehicle, the rear wheels of the faulty vehicle are lifted by the trailer or other rescue equipment such as a jack, and the limiting grooves a of the two trailer auxiliary devices are respectively placed under the two rear wheels of the faulty vehicle, the rear wheels of the faulty vehicle are placed in the limiting grooves a under the action of self gravity, and the wheel fixing mechanism is used for fixing the wheels in the limiting grooves a from above the limiting grooves a. Then can raise the front wheel of trouble vehicle and fix through the trailer, the trailer can drag the trouble vehicle that the gearbox can't manual unblock and rescue, saves the time of the manual unblock gearbox of rescue personnel.

Please refer to the structural schematic of the side plate, telescopic assembly and latch plate 9 of the trailer auxiliary device of the present application shown in fig. 1 to 3. The application trailer auxiliary device is including being fixed in the top of fixing base 1 and being located curb plate 3 of one side of spacing groove a, the flexible subassembly that a set of one end pivot was fixed in on curb plate 3 and be fixed in the card slat 9 of the other end of flexible subassembly, wherein, a card slat 9 is fixed in on a set of flexible subassembly. The telescopic components can be arranged into one group, two groups or three groups, and each group of telescopic components is provided with one clamping plate 9 for arranging the other end of the telescopic component. When the telescopic components are two groups, the two groups of telescopic components are symmetrically arranged left and right by taking the center of the lantern ring 13 as a symmetry axis. The side plate 3 is used for connecting the fixing seat 1 and the telescopic component, the side plate is fixed at the top of the fixing seat and is located on one side of the limiting groove a, one end of the telescopic component is fixed on the side plate 3 in a rotating mode, the telescopic component and the clamping plate 9 are matched together to limit the rear wheel of the fault vehicle in the limiting groove, the fixing and limiting effects are achieved, the fault vehicle is prevented from moving out of the limiting groove a due to the vertical shaking of the fault vehicle caused by topography when the trailer drags the fault vehicle, and the function of assisting the trailer to rescue the vehicle cannot be achieved. Can be with firmly laminating between wheel and the fixing base 1 completely through flexible subassembly and card slat 9, can make through this mode when dragging the vehicle, can not lead to the vehicle appear appearing with the condition that breaks away from between the fixing base 1, avoid appearing dragging the unexpected condition in-process to appear, and can not cause the damage to the vehicle when dragging.

Please refer to the structural schematic of the telescopic assembly of the trailer assistance device of the present application shown in fig. 1-3. The telescoping assembly includes: cylinder 12, lantern ring 13, adjusting bracket 4, telescopic link 5 and fixed plate. The cylinder 12 is fixed on the side plate, and the lantern ring 13 is sleeved outside the cylinder 12; one end of the adjusting bracket 4 is fixedly connected with the lantern ring 13, the other end of the adjusting bracket is provided with a splicing hole, one end of the telescopic rod 5 passes through the splicing hole and is arranged in the adjusting bracket 4, and the other end of the telescopic rod is fixedly connected with the fixed plate 7; the clip plate 9 is fixed to the fixing plate 7. The cylinder 12 can be fixedly connected to the rear side of the side plate 3 near the center, or can be fixedly connected to the rear side of the side plate not near the center; when the cylinder is fixedly connected to the rear side of the side plate 3 close to the center, the telescopic component limits the stretching length of the rear wheel of the fault vehicle to be the same or similar; when the cylinder is fixedly connected to the rear side of the side plate and is not close to the center, the telescopic component limits the stretching length of the rear wheels of the fault vehicle to be different or not close. Can be in the front and back both sides of wheel with the complete spacing groove a of wheel on fixing base 1 through two sets of flexible subassemblies and two card laths 9 for firmly laminate between wheel and the spacing groove a, can make through this mode when dragging the vehicle, can not lead to the vehicle appear and the fixing base 1 between the circumstances that breaks away from appear, avoid appearing dragging the unexpected condition in-process to appear, and can not cause the damage to the vehicle when dragging.

Please refer to another structural illustration of the trailer assistance retraction assembly of the present application shown in fig. 1-3. The telescoping assembly further comprises: a threaded rod 6 and a hand crank 8; the other end of the adjusting bracket 4 is further provided with a threaded hole, one end of a threaded rod 6 sequentially penetrates through the fixed plate 7 and the threaded hole, the threaded rod 6 is connected with the rotating shaft of the fixed plate 7, and the other end of the threaded rod 6 is fixedly connected with the hand-operated wheel 8. Wherein, threaded rod 6 is connected with fixed plate 7 pivot through the bearing. The threaded rod 6 also realizes the function of being connected with the rotating shaft of the fixed plate 7 through other settings, for example, a convex ring is arranged on the threaded rod 6, an annular groove is arranged on the fixed plate 7, and the convex ring and the annular groove are matched for use, so that the function of rotating shaft connection is achieved. The rotation through adjacent hand wheel 8 makes to drive adjacent threaded rod 6 and rotates, through the interaction and the threaded rod 6 and the 7 pivot connection effect of fixed plate between the rotatory cooperation screw thread of threaded rod 6, make to drive fixed plate 7 and go up and down the motion, drive adjacent card slat 9 through fixed plate 7 and carry out synchronous motion, go up and down through card slat 9 and make the mutual joint between card slat 9 and the adjacent wheel, at this moment, firmly laminating between wheel and fixing base 1 completely, can be so when dragging the trouble vehicle, can not lead to the vehicle to appear appearing with the condition that breaks away from between the fixing base 1 appear, avoid appearing dragging the unexpected condition in-process, and can not cause the damage to the vehicle when dragging.

Specifically, in the illustrations of fig. 1 to 3, an arc-shaped opening is formed in one side, close to the telescopic rod 5, of the clamping plate 9; the radian of the arc-shaped opening is the same as the radian of the wheel. Through the setting of arc mouth and the same setting of arc mouth's radian and wheel radian, can be better realize the joint each other between card slat 9 and the adjacent wheel. The contact area between the clamping plate and the adjacent wheel is larger, the acting force between the clamping plate 9 and the adjacent wheel is also larger, the wheel can be firmly attached to the fixing seat 1 completely, the situation that the vehicle is separated from the fixing seat 1 can not be caused when the vehicle is dragged to a fault, accidents in the dragging process are avoided, and the vehicle cannot be damaged when being dragged.

The application trailer auxiliary device's theory of operation: the vehicle is propped up through the hydraulic rod or the jack, after the vehicle is propped up, through carrying fixing base 1 to trouble vehicle rear wheel department, at this moment, place the spacing inslot of fixing base 1 with the wheel, at this moment, through two adjacent hand-operated wheel 8 of manual rotation, make to drive adjacent threaded rod 6 and rotate through the rotation of adjacent hand-operated wheel 8, through the interaction between the rotatory cooperation screw thread of threaded rod 6, make the telescopic assembly shrink, the telescopic assembly drives fixed plate 7 and carries out centripetal motion, drive adjacent card slat 9 through fixed plate 7 and carry out synchronous motion, through the removal of card slat 9 and make the mutual joint between card slat 9 and the adjacent wheel, at this moment, the wheel (rear wheel) of trouble vehicle is completely and firmly laminated between the fixing base 1. The rear wheels of the fault vehicle are lifted by the aid of the trailer or other rescue equipment (such as a jack and the like), the limiting grooves a of the two trailer auxiliary devices are respectively placed under the two rear wheels of the fault vehicle, and the rear wheels of the fault vehicle are placed in the limiting grooves a under the action of self gravity. Then can raise the front wheel of trouble vehicle and fix through the trailer, the trailer can drag the trouble vehicle that the gearbox can't manual unblock and rescue, saves the time of the manual unblock gearbox of rescue personnel. Can be with firmly laminating between wheel and the fixing base 1 completely through flexible subassembly and card slat 9, can make through this mode when dragging the vehicle, can not lead to the vehicle appear appearing with the condition that breaks away from between the fixing base 1, avoid appearing dragging the unexpected condition in-process to appear, and can not cause the damage to the vehicle when dragging.

Of course, the above embodiments may be applied alone or in combination, the above being preferred embodiments of the present application, it should be noted that, for a person skilled in the art, several improvements and modifications may be made without departing from the principles of the present application, and these improvements and modifications are also considered as the protection scope of the present application.

Claims

1. A trailer assistance device for carrying a faulty vehicle wheel, the trailer assistance device comprising:

and the wheel fixing mechanism is used for fixing the wheels in the limiting grooves from the upper parts of the limiting grooves.

2. The trailer assistance device of claim 1, wherein the wheel securing mechanism comprises: the fixing seat comprises a side plate, at least one group of telescopic components and a clamping plate, wherein the side plate is fixed at the top of the fixing seat and positioned at one side of the limiting groove, the telescopic components are fixed on the side plate through one end rotating shaft, and the clamping plate is fixed at the other end of the telescopic components.

3. The trailer assistance device of claim 2, wherein the telescoping assembly comprises: the device comprises a cylinder, a lantern ring, an adjusting bracket, a telescopic rod and a fixing plate;

the clamping plate is fixed on the fixing plate.

4. A trailer assistance apparatus as claimed in claim 3 wherein said telescopic assembly further comprises: a threaded rod;

the other end of the adjusting support is further provided with a threaded hole, one end of the threaded rod sequentially penetrates through the fixing plate and the threaded hole, the threaded rod is connected with the rotating shaft of the fixing plate, and the other end of the threaded rod is fixedly connected with the hand-operated wheel.

5. The trailer assistance apparatus of claim 4 wherein said threaded rod is coupled to said fixed plate shaft by a bearing.

6. The trailer assistance device of claim 2, wherein the telescoping assemblies are in two groups.

7. The auxiliary device for a trailer according to any one of claims 1 to 6, wherein the bottom of the fixing base is further provided with a plurality of rollers;

the displacement mechanism comprises a plurality of auxiliary wheels.

8. The trailer assistance apparatus of claim 7 wherein said rollers are arranged in a linear array.

9. The auxiliary device for the trailer according to any one of claims 3 to 5, wherein an arc-shaped opening is formed on one side of the clamping plate, which is close to the telescopic rod;

the radian of the arc-shaped opening is the same as the radian of the wheel.

10. The auxiliary device for the trailer according to any one of claims 1 to 6, wherein a plurality of anti-skid grooves are formed in the limit groove;

the side wall of the limit groove is arranged in an arc-shaped inclined mode.