CN110239291B

CN110239291B - Automobile snow walking auxiliary device convenient to install and use

Info

Publication number: CN110239291B
Application number: CN201910287051.XA
Authority: CN
Inventors: 杨至恒
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-11
Filing date: 2019-04-11
Publication date: 2021-08-13
Anticipated expiration: 2039-04-11
Also published as: CN110239291A

Abstract

The invention discloses an automobile snow land walking auxiliary device convenient to install and use, which comprises a walking device, a wheel connecting device and a chain wheel assembly, the front end and the rear end of the walking device are arranged in a tip shape which is warped upwards, the chain wheel combination is arranged in the walking device, and the chain wheel combination is rotationally connected with the walking device, the invention provides an automobile snow walking auxiliary device which is convenient to install and use, the vehicle can be easily driven into and installed in the running gear through the structural arrangement of the auxiliary installation device, and the purpose of the automobile walking on the snowfield is realized through the rotation matching of the wheel chain wheel combination and the wheels, and the structure cooperation through running gear and wheel connecting device has effectually realized the altitude mixture control of vehicle in the in-process of traveling, and the effectual problem of letting the vehicle bottom plate touch snow easily in the face of different snow of height has been solved.

Description

Automobile snow walking auxiliary device convenient to install and use

Technical Field

The invention relates to the technical field of automobile snow ground walking equipment, in particular to an automobile snow ground walking auxiliary device convenient to install and use.

Background

The traditional automobile tire has strong ground gripping performance on a common road surface and is convenient to drive on the road surface, but the automobile tire is difficult to normally drive when snow or ice is accumulated on the road surface, the automobile tire can slip and easily cause danger to safety of passengers, so that the tire is suitable for being used in snowy days, the rubber tire is provided with metal nails and can increase the ground gripping force, people can use the tire in cold places and places easy to accumulate snow in winter, compared with the common tire, the snow tire increases the friction force with the snow and ice road surface through a special formula, the tread of the snow tire is softer, the carefully prepared silica mixture rubber formula can be in closer contact with the smooth ice surface, and when the temperature is lower than ten degrees, the surface of the snow tire becomes softer, so that the better ground gripping force is obtained.

The inventor of the application finds that the existing automobile snow tire can run on a common snow road, but is difficult to normally run when snow is thick, in reality, some tracks used by automobiles can realize running on thick snow, most of the tracks are fixed in structure, the distance between the automobile tire and the ground cannot be adjusted according to different running environments, so that the snow road cannot flexibly deal with snow surfaces with different thicknesses, the installation of the snow tire or the traditional track is troublesome, professional personnel and tools are needed, and the operation is inconvenient.

Disclosure of Invention

The invention aims to provide an automobile snow walking auxiliary device convenient to mount and use, and aims to solve the problems that a snow tire is poor in skid resistance and cannot run on thick snow, and a traditional crawler cannot freely adjust the height in the running process and is inconvenient to mount and dismount.

The invention is realized by the following steps:

the utility model provides a car snowfield walking auxiliary device convenient to installation is used, includes running gear, wheel connection device and sprocket combination, both ends set up to the point form of upwarping around the running gear, the sprocket combination sets up in running gear's inside, and the sprocket combination rotates with running gear to be connected, wheel connection device sets up at running gear's middle part, and wheel connection device and running gear vertical sliding connection, the running gear outside still is provided with supplementary installation device, supplementary installation device rotates with running gear along the horizontal direction and is connected.

Further, running gear includes mounting panel, head pivot and bottom surface strutting arrangement, the mounting panel sets up to the platelike structure that the both ends are high, the middle part is low, the quantity of head pivot is two, and the symmetry sets up in the medial surface head of mounting panel, the head pivot rotates with the mounting panel to be connected, bottom surface strutting arrangement sets up at the middle part of mounting panel medial surface, and bottom surface strutting arrangement and mounting panel welding, be provided with horizontal rotating shaft, vertical spout and lift mounting hole on the mounting panel, horizontal rotating shaft is fixed in the up end of mounting panel, vertical spout is seted up at mounting panel medial surface middle part, lift mounting hole symmetry sets up the lower extreme at the mounting panel medial surface.

Further, the head pivot includes external tooth axle sleeve and head rod, the external tooth axle sleeve is installed in the outside of head rod with the axle center, and external tooth axle sleeve rotates with the head rod to be connected, the welding of head rod both ends is on the medial surface of mounting panel, bottom surface strutting arrangement includes the backup pad, goes up and down spacing seat and arranges the wheel, the backup pad welding is on the medial surface of mounting panel, go up and down spacing seat sets up to the arc, and the symmetry is fixed in the up end of backup pad, arrange the wheel align to grid at the lower extreme of backup pad, and arrange the wheel and rotate with the backup pad and be connected, still be provided with the snow wing of row on the mounting panel lateral surface, the snow wing welding of row is at the lower extreme of mounting panel lateral surface, the snow wing of row sets up to L shape structure, and the thickness of front end to rear end increases in proper order.

Further, wheel connecting device includes joint plate, memory device and central pivot, memory device passes through the bolt fastening on the lateral surface of joint plate, the central pivot sets up in the medial surface lower extreme that is fixed in the joint plate, and central pivot rotates with the joint plate to be connected, the joint plate upper end sets up to the arc structure, and has seted up the side wheel mounting groove in proper order along the direction of circumference, be provided with the antifriction auxiliary wheel in the mounting groove, the antifriction auxiliary wheel rotates with the mounting groove to be connected.

Further, joint board lower extreme still is provided with the lift mounting bar and leads the snow strip, the terminal surface under the joint board is gone up and down in the welding of lift mounting bar symmetry, lead the welding of snow strip slope on the medial surface of joint board.

Further, the buffer memory device includes metal sheet, buffer memory pipe and elastic support, the even welding of buffer memory pipe is at the lower terminal surface of metal sheet, elastic support sets up in the inside of buffer memory pipe, and elastic support and the vertical sliding connection of buffer memory pipe, metal sheet head symmetry is provided with the connecting hole, the buffer memory pipe sets up to hollow structure, elastic support installs in the buffer memory pipe with the axle center, and still is provided with the spring on the elastic support.

Further, the sprocket combination includes elevating gear and drive track, elevating gear includes the bull stick, moves pole and hydraulic means, move the pole setting in the upper end of bull stick, and move the pole and rotate with the bull stick and be connected, move the pole and be two with the quantity of bull stick, and the symmetry sets up inside the joint board, the drive track sets up between two bull sticks, and drive track and two bull sticks all rotate and be connected, the bull stick includes lower part pivot, first connecting piece and back shaft, the lower part pivot is installed inside the lift mounting hole, and the lower part pivot rotates with the lift mounting hole and is connected, the back shaft is connected with the lower part pivot through first connecting piece, and back shaft and first connecting piece fixed connection, the lower part pivot rotates with first connecting piece to be connected, the back shaft middle part still is provided with spacing draw-in groove.

Further, move the pole and include extrusion stem and second connection piece, the extrusion stem sets up on the medial surface of lift mounting bar, and the extrusion stem rotates with the lift mounting bar to be connected, the extrusion stem is connected with the back shaft through the second connection piece, and the second connection piece rotates with the back shaft to be connected, hydraulic means includes hydraulic stem and rotation cover, the welding of rotation cover is at the both ends of hydraulic stem, and rotates the cover and rotate with spacing draw-in groove and be connected.

Further, the transmission track passes center pivot, extrusion stem, head pivot, lower part pivot, volleyball, lower part pivot, head pivot and extrusion stem in proper order and reachs center pivot, forms the winding of the whole circle of confined track, the transmission track includes rubber belt and metal card strip, the even outside of fixing at rubber belt of metal card strip is surperficial.

Further, supplementary installation device includes fixed station, shrink piece and rotation connecting rod, the shrink piece sets up the lower extreme at the fixed station, and shrink piece and fixed station sliding connection, the rotation connecting rod sets up on the lateral surface of fixed station, and rotates the connecting rod and be connected with the fixed station rotation, the fixed station up end sets up to arc, preceding terminal surface sets up to the inclined plane, the shrink piece front end is provided with the inclined plane with the same angle of fixed station, and the shrink piece up end is provided with trapezoidal draw-in groove, and lower terminal surface is provided with the fixture block with trapezoidal draw-in groove matched with, all be fixed with the antislip strip on fixed station and the shrink piece, the rotation connecting rod sets up to L shape structure, and has seted up on the rotation connecting rod and has rotated the hole with horizontal rotating shaft matched with, the rotation connecting rod rotates with the mounting panel and is connected.

Compared with the prior art, the invention has the beneficial effects that: the invention has the characteristics of reasonable design and simple operation, and provides the automobile snow ground walking assisting device convenient to mount and use.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a perspective view of the device of the present invention when the auxiliary mounting device is in use;

FIG. 2 is a perspective view of the device of the present invention when the auxiliary mounting device is not in use;

FIG. 3 is a perspective view of a vehicle tire in cooperation with the device of the present invention;

FIG. 4 is a cross-sectional view of the device shown in FIG. 3;

FIG. 5 is a schematic view of the walking device shown in FIG. 1, shown in a first perspective;

FIG. 6 is a front view of the device of FIG. 5;

FIG. 7 is a schematic structural view of the walking device shown in FIG. 1 from a second perspective;

FIG. 8 is a front view of the device of FIG. 7;

FIG. 9 is a schematic structural view of the wheel attachment apparatus shown in FIG. 1;

FIG. 10 is a schematic structural diagram of the cache apparatus shown in FIG. 9;

FIG. 11 is a schematic view of the engagement of the lifting device with the drive track;

FIG. 12 is a front view of the device of FIG. 11;

FIG. 13 is a schematic view of the structure of the turn bar shown in FIG. 12;

FIG. 14 is a schematic view of the auxiliary mounting device of FIG. 1 in an expanded configuration;

figure 15 is a schematic view of the device of figure 14 shown in a fully deployed configuration.

In the figure: 1. a traveling device; 11. mounting a plate; 111. a horizontal rotating shaft; 112. a longitudinal chute; 113. a lifting mounting hole; 114. snow wings are arranged; 12. a head rotating shaft; 121. an external gear shaft sleeve; 122. a first connecting rod; 13. a bottom surface support means; 131. a support plate; 132. a lifting limiting seat; 133. a row wheel; 2. a wheel connecting device; 21. a clamping and connecting plate; 211. a side wheel mounting groove; 212. an anti-friction auxiliary wheel; 213. lifting the mounting bar; 214. a snow guide strip; 22. a cache device; 221. a metal plate; 222. a cache pipe; 223. an elastic support; 224. connecting holes; 23. a central rotating shaft; 3. combining chain wheels; 31. a lifting device; 311. a rotating rod; 3111. a lower rotating shaft; 3112. a first connecting piece; 3113. a support shaft; 3114. a limiting clamping groove; 312. a moving bar; 3121. an extrusion stem; 3122. a second connecting sheet; 313. a hydraulic device; 32. a drive track; 321. a rubber belt; 322. a metal clamping strip; 4. an auxiliary mounting device; 41. a fixed table; 42. a contraction block; 421. a trapezoidal clamping groove; 422. a clamping block; 423. anti-slip strips; 43. rotating the connecting rod; 431. hole turning; l, automobile tires.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

As shown in figures 1, 2, 3 and 4, the snow ground walking auxiliary device for the automobile is convenient to install and use, and comprises a walking device 1, a wheel connecting device 2 and a chain wheel combination 3, wherein the front end and the rear end of the walking device 1 are arranged into a tip shape which is upwards tilted, the chain wheel combination 2 is arranged inside the walking device 1, the chain wheel combination 2 is rotatably connected with the walking device 1, the wheel connecting device 3 is arranged in the middle of the walking device 1, the wheel connecting device 3 is longitudinally and slidably connected with the walking device 1, an auxiliary installing device 4 is further arranged outside the walking device 1, the auxiliary installing device 4 is rotatably connected with the walking device 1 along the horizontal direction, through the research on the traditional automobile tire, a device which is convenient to install on the automobile tire to assist the automobile to walk on the snow ground is designed, the vehicle can easily drive into and install in the walking device 1 through the structural arrangement of the auxiliary installing device 4, the purpose of walking the automobile on the snowy ground is achieved through the rotational matching of the wheel chain wheel combination 3 and the wheels, the height adjustment of the automobile in the running process is effectively achieved through the structural matching of the walking device 1 and the wheel connecting device 2, the problem that the automobile bottom plate is easy to touch accumulated snow in the face of different accumulated snow in height is effectively solved, the walking device 1 comprises a mounting plate 11, a head rotating shaft 12 and a bottom surface supporting device 13, the mounting plate 11 is of a plate-shaped structure with two high ends and a low middle part, the number of the head rotating shafts 12 is two and is symmetrically arranged at the head part of the inner side surface of the mounting plate 11, the head rotating shaft 12 is rotationally connected with the mounting plate 11, the bottom surface supporting device 13 is arranged in the middle part of the inner side surface of the mounting plate 11, the bottom surface supporting device 13 is welded with the mounting plate 11, and the walking device can conveniently walk on the snowy ground through the structural arrangement of the walking device 1, the vehicle-mounted wheel connecting device is also used for being stably connected with the wheel connecting device 2, the stability of the wheel connecting device 2 after the vehicle is clamped is guaranteed, the vehicle-mounted wheel connecting device can be used as a support of the wheel connecting device 2 for longitudinally jacking the vehicle, the mounting plate 11 is of a plate-shaped structure with high ends and low middle part, the vehicle can be effectively rolled on snow without generating a snow pushing effect, the head rotating shaft 12 is arranged and used as a driven wheel matched with the transmission crawler 32 to roll snow on the front end, the head rotating shaft 12 is symmetrically arranged at two ends of the mounting plate 11, the vehicle can conveniently move forwards and backwards, the bottom surface supporting device 13 is used for connecting the transmission crawler 32 to support and run at the bottom of the running device, and can also be used as the limit of the wheel connecting device 2.

As shown in fig. 2, 3, 5, 6, 7 and 8, the mounting plate 11 is provided with a horizontal rotating shaft 111, a longitudinal sliding groove 112 and a lifting mounting hole 113, the horizontal rotating shaft 111 is fixed on the upper end surface of the mounting plate 11, the longitudinal sliding groove 112 is arranged in the middle of the inner side surface of the mounting plate 11, the lifting mounting hole 113 is symmetrically arranged at the lower end of the inner side surface of the mounting plate 11, the mounting plate 11 is further provided with a snow-removing wing 114 on the outer side surface thereof, the snow-removing wing 114 is welded at the lower end of the outer side surface of the mounting plate 11, the snow-removing wing 114 is arranged in an L-shaped structure, the thicknesses from the front end to the rear end are sequentially increased, the mutual matching and the connection use of other parts of the device are facilitated by the structural arrangement of the mounting plate 11, the auxiliary mounting device 4 is conveniently mounted for use by the arrangement of the horizontal rotating shaft 111, the auxiliary mounting device 4 is rotatably matched with the horizontal rotating shaft 111 for use and retraction purpose, setting through vertical spout 112 is used for installing buffer 22, fix a position as the slip joint of installation buffer 22 and use, the setting of lift mounting hole 113 is used for installing elevating gear 31 and uses, and the position that lift mounting hole 113 set up is both ends of lower extreme, cooperation drive track 32 rolls snow, the shape structure of row snow wing 114 sets up, be used for realizing rolling and outwards arranging the purpose of snow at the vehicle in-process that advances, come constantly outwards downwards to discharge snow through the wing wall that constantly thickens in the driving process of mounting panel 11 and compress, guarantee that the snow on both sides can not enter into inside the mounting panel, guarantee the normal driving of vehicle.

As shown in fig. 5, fig. 6 and fig. 7, the head shaft 12 includes an external gear sleeve 121 and a first connecting rod 122, the external gear sleeve 121 is coaxially installed at the outer side of the first connecting rod 122, and the external gear sleeve 121 is rotatably connected with the first connecting rod 122, two ends of the first connecting rod 122 are welded on the inner side surface of the mounting plate 11, through the structural arrangement of the head shaft 12, the installation and the use are convenient, meanwhile, the external gear sleeve 121 can be ensured to rotate on the first connecting rod 122 under the driving of the driving crawler 32, and the driving crawler 32 can normally rotate and walk on the snowy ground.

As shown in fig. 5 and 6, the bottom support device 13 includes a support plate 131, a lifting limiting seat 132 and a row wheel 133, the support plate 131 is welded on the inner side surface of the mounting plate 11, the lifting limiting seat 132 is arc-shaped and symmetrically fixed on the upper end surface of the support plate 131, the row wheel 133 is uniformly arranged at the lower end of the support plate 131, the row wheel 133 is rotatably connected with the support plate 131, the bottom support device 13 is structurally configured to be used as a limiting and auxiliary driving vehicle, the support plate 131 is configured to support the buffer device 22 for use, the lifting limiting seat 132 is configured to be used to support the support rotating rod 311 when the vehicle is not supported by the wheel connecting device 2, so as to ensure the stability of the vehicle during driving, and the row wheel 133 is configured to be connected with the transmission crawler 32 to rotatably travel at the lower end of the device.

As shown in fig. 1, 2 and 9, the wheel connecting device 2 includes a clamping plate 21, a buffer device 22 and a central rotating shaft 23, the buffer device 22 is fixed on the outer side surface of the clamping plate 21 by bolts, the central rotating shaft 23 is arranged at the lower end of the inner side surface fixed on the clamping plate 21, and the central rotating shaft 23 is rotatably connected with the clamping plate 21, the upper end of the clamping plate 21 is arranged in an arc structure, and is sequentially provided with a side wheel mounting groove 211 along the circumferential direction, an anti-friction auxiliary wheel 212 is arranged in the mounting groove 211, the anti-friction auxiliary wheel 212 is rotatably connected with the mounting groove 211, the structure of the wheel connecting device 2 is arranged to directly clamp the wheel for use, so as to ensure the stable rotation of the automobile tire in the wheel connecting device 2, thereby realizing the purpose that the wheel stably drives the transmission track 32 to rotate and walk, while the structure of the clamping plate 21 can conveniently and well clamp the automobile tire, the wheel can be guaranteed not to rub against the inner surface of the clamping plate 21, stable rotating driving of the wheel is achieved through the mounting groove 211 in the circumferential direction of the clamping plate 21 and the anti-friction auxiliary wheel 212, fluency in the driving process of an automobile tire is improved, the buffer device 22 is used for guaranteeing that the clamping plate 21 cannot generate sudden pressure due to the fact that the clamping plate 21 is directly contacted and extruded with the mounting plate 11 in the driving process of the automobile because of the problem of automobile body weight when the vehicle tire is mounted, large deformation and even damage risks occur to the clamping plate 21 and the mounting plate 11, the central rotating shaft 23 is used for changing the moving direction of the transmission crawler 32 and reducing the height of the transmission crawler 32, and therefore the contact area between the vehicle tire and the transmission crawler 32 can be effectively guaranteed, and the transmission effect of the vehicle tire is guaranteed.

As shown in fig. 9, the lower end of the clamping plate 21 is further provided with a lifting mounting bar 213 and a snow guide bar 214, the lifting mounting bar 213 is symmetrically welded on the lower end face of the clamping plate 21, the snow guide bar 214 is obliquely welded on the inner side face of the clamping plate 21, the lifting mounting bar 213 arranged at the lower end of the clamping plate 21 is connected with the extrusion rod 3121 on the lifting device 31 for use, it is ensured that the lifting device 31 can be symmetrically installed on two sides of the clamping plate 21 and the lifting device 31 can be stably lifted for use, and through the structural arrangement of the snow guide bar 214, snow can be timely discharged downwards by a vehicle when the vehicle walks on snow.

As shown in fig. 9 and 10, the buffer device 22 includes a metal plate 221, a buffer tube 222 and an elastic support 223, the buffer tube 222 is uniformly welded on the lower end surface of the metal plate 221, the elastic support 223 is disposed inside the buffer tube 222, and the elastic support 223 is longitudinally slidably connected with the buffer tube 222, the head of the metal plate 221 is symmetrically provided with connection holes 224, the buffer tube 222 is disposed in a hollow structure, the elastic support 223 is coaxially installed inside the buffer tube 222, and a spring 225 is further disposed on the elastic support 223, by the structural design of the buffer device 22, direct collision between the walking device 1 and the wheel connecting device 2 is prevented, the buffer device 22 is conveniently and tightly connected to the outer side surface of the clamping plate 21 by the arrangement of the connection holes 224 on the upper end of the metal plate 221, the buffer tube 222 is disposed to ensure that the buffer device 22 can stably slide on the longitudinal sliding groove 112, and can also be used as a sliding rod of the elastic support 223, the elastic connection between the elastic support 223 and the buffer tube 222 can be ensured under the action of the spring 225, the buffer function can be realized under the condition that the buffer device 22 receives external force, and the safety of the device is ensured.

As shown in fig. 3, 4 and 11, the sprocket assembly 3 comprises a lifting device 31 and a transmission track 32, the lifting device 31 comprises a rotating rod 311, a moving rod 312 and a hydraulic device 313, the moving rod 312 is arranged at the upper end of the rotating rod 311, the moving rod 312 is rotatably connected with the rotating rod 311, the moving rod 312 and the rotating rod 311 are respectively two and symmetrically arranged inside the clamping plate 21, the transmission track 32 is arranged between the two rotating rods 311, and the transmission track 32 is rotatably connected with the two rotating rods 311, through the structural arrangement of the sprocket assembly 3, the combination of the lifting device 31 and the transmission track 32 realizes the purpose that the height of automobile tires of the vehicle can be adjusted through the hydraulic device 313 during the snow walking process, the vehicle is ensured to face different snow thickness during the snow walking process of the snow vehicle, the hydraulic device 313 is in a non-working state when the vehicle does not need to be lifted, the rotating rod 311 and the moving rod 312 are supported at the upper end of the lifting limiting seat 132 to ensure the stable running of the vehicle, and the hydraulic device 313 can be started to push the rotating rod 311 and the moving rod 312 at the two ends simultaneously when the vehicle encounters thick snow, so that the purpose of lifting the vehicle is realized.

As shown in fig. 11, 12 and 13, the rotating lever 311 includes a lower rotating shaft 3111, a first link plate 3112 and a support shaft 3113, the lower rotating shaft 3111 is installed inside the elevation installation hole 113, and the lower rotary shaft 3111 is rotatably coupled to the elevation installation hole 113, the support shaft 3113 is coupled to the lower rotary shaft 3111 through a first coupling piece 3112, the support shaft 3113 is fixedly connected to the first connecting plate 3112, the lower shaft 3111 is rotatably connected to the first connecting plate 3112, a position-limiting slot 3114 is further disposed in the middle of the support shaft 3113, in the process of lifting the vehicle, the first connecting piece 3112 and the supporting shaft 3113 can rotate around the rotating shaft 3111, the rotating shaft 3111 rotates in the lifting mounting hole 113, the limiting clamping groove 3114 is arranged to facilitate connection of the hydraulic device 313 for use, and through limiting of the limiting clamping groove 3114, the supporting shaft 3113 can only receive a force vertical to the surface of the supporting shaft 3113 during the growth process of the hydraulic device 313, and the normal rotation effect of the rotating rod 311 is ensured; the moving rod 312 comprises an extrusion rod 3121 and a second connecting piece 3122, the extrusion rod 3121 is arranged on the inner side surface of the lifting mounting bar 213, the extrusion rod 3121 is rotatably connected with the lifting mounting bar 213, the extrusion rod 3121 is connected with the supporting shaft 3113 through the second connecting piece 3122, the second connecting piece 3122 is rotatably connected with the supporting shaft 3113, the moving rod 312 jacks up the rotating rod 311 under the condition that the rotating rod rotates, and the extrusion rod 3121 can rotate on the lifting mounting bar 213 through the driving of the second connecting piece 3122, so that the purpose of jacking up the clamping plate 21 is achieved; the hydraulic device 313 comprises a hydraulic rod 3131 and a rotary bush 3132, the rotary bush 3132 is welded at two ends of the hydraulic rod 3131, the rotary bush 3132 is rotatably connected with the limit slot 3114, the hydraulic device 313 can be controlled by being connected to an automobile through a circuit, the hydraulic device 313 can also be controlled by stretching and retracting through remote control, and the distance between the support shafts 3113 at two sides can be changed by changing the length of the hydraulic device 313, so that the purpose of lifting and lowering the vehicle tire is achieved; the transmission caterpillar 32 sequentially penetrates through the central rotating shaft 23, the extrusion rod 3121, the head rotating shaft 12, the lower rotating shaft 3111, the rowed wheels 133, the lower rotating shaft 3111, the head rotating shaft 12 and the extrusion rod 3121 to reach the central rotating shaft 23 to form the winding of a whole circle of the closed caterpillar, the transmission caterpillar 32 comprises a rubber belt 321 and a metal clamping strip 322, the metal clamping strip 322 is uniformly fixed on the outer side surface of the rubber belt 321, the wear resistance and flexibility of the transmission caterpillar 32 are guaranteed through the structural arrangement of the transmission caterpillar 32, meanwhile, the friction force between the transmission caterpillar 32 and an automobile tire is guaranteed to the maximum degree, and therefore the transmission caterpillar is guaranteed to have enough power in the snow walking process.

As shown in fig. 1, 2, 14 and 15, the auxiliary installation device 4 includes a fixed platform 41, a shrinking block 42 and a rotating connecting rod 43, the shrinking block 42 is disposed at the lower end of the fixed platform 41, the shrinking block 42 is slidably connected with the fixed platform 41, the rotating connecting rod 43 is disposed on the outer side surface of the fixed platform 41, the rotating connecting rod 43 is rotatably connected with the fixed platform 41, the upper end surface of the fixed platform 41 is arc-shaped, the front end surface is inclined, the front end of the shrinking block 42 is inclined at the same angle as the fixed platform 41, the upper end surface of the shrinking block 42 is provided with a trapezoidal clamping groove 421, the lower end surface is provided with a clamping block 422 matched with the trapezoidal clamping groove 421, the fixed platform 41 and the shrinking block 42 are both fixed with anti-slip strips 423, the rotating connecting rod 43 is L-shaped, the rotating connecting rod 43 is provided with a rotating hole 431 matched with the horizontal rotating shaft 111, the rotating connecting rod 43 is rotatably connected with the installation plate 11, the auxiliary mounting device 4 is arranged to facilitate the vehicle tire to enter the wheel connecting device 2, so as to facilitate the normal mounting and use of a user, the fixing table 41 and the shrinking block 42 are arranged in a matched manner in shape and structure, so that the user can unfold and use the vehicle tire when using the vehicle tire, the vehicle tire can be pushed, pulled and collected when not using the vehicle tire, the vehicle tire can not influence the running of the vehicle on snow, the shrinking blocks 42 are mutually matched with the trapezoidal clamping grooves 421 on the fixing table 41 through the clamping blocks 422 at the lower ends of the shrinking blocks, the stretching and withdrawing are realized, a slope is formed when the shrinking blocks are completely unfolded, the vehicle tire can be well ensured to smoothly enter the wheel connecting device 2 through the slope by the design of the anti-skid strips 423, the shrinking blocks 42 are shrunk at the lower end of the fixing table 41 when not using the vehicle tire, and the auxiliary mounting device 4 is rotated to the outer, the normal running of the automobile on the snowfield is not influenced.

The device obtained by the design can basically meet the use requirement of the automobile snow walking auxiliary device which is convenient to install and use, but with the aim of further improving the functions, designers further improve the device to ensure that the vehicle can adjust the height of the vehicle in snow with different thicknesses and can ensure that the vehicle can deal with different snow environments.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a car snowfield walking auxiliary device convenient to installation is used, includes running gear (1), wheel connecting device (2) and sprocket combination (3), its characterized in that: the front end and the rear end of the walking device (1) are arranged to be in a tip shape which is warped upwards, the chain wheel combination (3) is arranged inside the walking device (1), the chain wheel combination (3) is rotationally connected with the walking device (1), the wheel connecting device (2) is arranged in the middle of the walking device (1), the wheel connecting device (2) is longitudinally connected with the walking device (1) in a sliding mode, the outer side of the walking device (1) is further provided with an auxiliary mounting device (4), and the auxiliary mounting device (4) is rotationally connected with the walking device (1) along the horizontal direction;

the walking device (1) comprises a mounting plate (11), a head rotating shaft (12) and a bottom surface supporting device (13), the mounting plate (11) is of a plate-shaped structure with two high ends and a low middle part, the number of the head rotating shafts (12) is two, and are symmetrically arranged at the head part of the inner side surface of the mounting plate (11), the head part rotating shaft (12) is rotationally connected with the mounting plate (11), the bottom surface supporting device (13) is arranged in the middle of the inner side surface of the mounting plate (11), the bottom surface supporting device (13) is welded with the mounting plate (11), the mounting plate (11) is provided with a horizontal rotating shaft (111), a longitudinal sliding chute (112) and a lifting mounting hole (113), the horizontal rotating shaft (111) is fixed on the upper end surface of the mounting plate (11), the longitudinal sliding groove (112) is arranged in the middle of the inner side surface of the mounting plate (11), the lifting mounting holes (113) are symmetrically arranged at the lower end of the inner side surface of the mounting plate (11);

the head rotating shaft (12) comprises an outer gear shaft sleeve (121) and a first connecting rod (122), the outer gear shaft sleeve (121) is coaxially installed on the outer side of the first connecting rod (122), the outer gear shaft sleeve (121) is rotatably connected with the first connecting rod (122), two ends of the first connecting rod (122) are welded on the inner side face of the mounting plate (11), the bottom face supporting device (13) comprises a supporting plate (131), a lifting limiting seat (132) and a row wheel (133), the supporting plate (131) is welded on the inner side face of the mounting plate (11), the lifting limiting seat (132) is arc-shaped and symmetrically fixed on the upper end face of the supporting plate (131), the row wheel (133) is uniformly arranged at the lower end of the supporting plate (131), the row wheel (133) is rotatably connected with the supporting plate (131), and snow-removing wings (114) are further arranged on the outer side face of the mounting plate (11), the snow removing wings (114) are welded at the lower end of the outer side face of the mounting plate (11), the snow removing wings (114) are arranged to be L-shaped structures, and the thicknesses from the front end to the rear end are sequentially increased;

the wheel connecting device (2) comprises a clamping plate (21), a caching device (22) and a central rotating shaft (23), the caching device (22) is fixed on the outer side surface of the clamping plate (21) through bolts, the central rotating shaft (23) is fixed at the lower end of the inner side surface of the clamping plate (21), the central rotating shaft (23) is rotatably connected with the clamping plate (21), the upper end of the clamping plate (21) is of an arc-shaped structure, side wheel mounting grooves (211) are sequentially formed in the circumferential direction, anti-friction auxiliary wheels (212) are arranged in the side wheel mounting grooves (211), and the anti-friction auxiliary wheels (212) are rotatably connected with the mounting grooves (211);

the chain wheel combination (3) comprises a lifting device (31) and a transmission crawler belt (32), the lifting device (31) comprises a rotating rod (311), a moving rod (312) and a hydraulic device (313), the moving rod (312) is arranged at the upper end of the rotating rod (311), the moving rod (312) is rotationally connected with the rotating rod (311), the moving rod (312) and the rotating rod (311) are two in number and symmetrically arranged inside a clamping plate (21), the transmission crawler belt (32) is arranged between the two rotating rods (311), the transmission crawler belt (32) is rotationally connected with the two rotating rods (311), the rotating rod (311) comprises a lower rotating shaft (3111), a first connecting plate (3112) and a supporting shaft (3113), the lower rotating shaft (3111) is arranged inside a lifting mounting hole (113), the lower rotating shaft (3111) is rotationally connected with the lifting mounting hole (113), and the supporting shaft (3113) is connected with the lower rotating shaft (3111) through the first connecting plate (3112), and back shaft (3113) and first connecting piece (3112) fixed connection, lower part pivot (3111) and first connecting piece (3112) rotate to be connected, back shaft (3113) middle part still is provided with spacing draw-in groove (3114).

2. The automobile snow walking assisting device convenient to install and use as claimed in claim 1, wherein a lifting mounting bar (213) and a snow guiding bar (214) are further arranged at the lower end of the clamping plate (21), the lifting mounting bar (213) is symmetrically welded on the lower end face of the clamping plate (21), and the snow guiding bar (214) is obliquely welded on the inner side face of the clamping plate (21).

3. The automobile snow walking assisting device convenient to install and use as claimed in claim 2, wherein the buffer device (22) comprises a metal plate (221), a buffer tube (222) and an elastic support (223), the buffer tube (222) is uniformly welded on the lower end face of the metal plate (221), the elastic support (223) is arranged inside the buffer tube (222), the elastic support (223) is longitudinally and slidably connected with the buffer tube (222), the head of the metal plate (221) is symmetrically provided with connecting holes (224), the buffer tube (222) is arranged in a hollow structure, the elastic support (223) is coaxially installed in the buffer tube (222), and the elastic support (223) is further provided with a spring (225).

4. An automobile snow walking assisting device convenient to install for use according to claim 3, wherein the moving rod (312) comprises a pressing rod (3121) and a second connecting piece (3122), the pressing rod (3121) is disposed on an inner side surface of the lifting mounting bar (213), and the pressing rod (3121) is rotatably connected with the lifting mounting bar (213), the pressing rod (3121) is connected with the supporting shaft (3113) through the second connecting piece (3122), and the second connecting piece (3122) is rotatably connected with the supporting shaft (3113), the hydraulic device (313) comprises a hydraulic rod (3131) and a rotating sleeve (3132), the rotating sleeve (3132) is welded at both ends of the hydraulic rod (3131), and the rotating sleeve (3132) is rotatably connected with the limit clamping groove (3114).

5. The automobile snow walking auxiliary device convenient to install and use according to any one of claims 1-4, wherein the auxiliary installation device (4) comprises a fixed platform (41), a contraction block (42) and a rotating connecting rod (43), the contraction block (42) is arranged at the lower end of the fixed platform (41), the contraction block (42) is in sliding connection with the fixed platform (41), the rotating connecting rod (43) is arranged on the outer side surface of the fixed platform (41), the rotating connecting rod (43) is in rotating connection with the fixed platform (41), the upper end surface of the fixed platform (41) is arranged in an arc shape, the front end surface of the fixed platform (41) is arranged in an inclined plane, the front end of the contraction block (42) is provided with an inclined plane with the same angle as that of the fixed platform (41), the upper end surface of the contraction block (42) is provided with a trapezoidal clamping groove (421), the lower end surface of the contraction block is provided with a clamping block (422) matched with the trapezoidal clamping groove (421), the anti-slip device is characterized in that anti-slip strips (423) are fixed on the fixed table (41) and the shrinkage block (42), the rotating connecting rod (43) is of an L-shaped structure, a rotating hole (431) matched with the horizontal rotating shaft (111) is formed in the rotating connecting rod (43), and the rotating connecting rod (43) is rotatably connected with the mounting plate (11).