An anti-slip test device for snowmobile production

Abstract

The present invention relates to the technical field of vehicle performance testing, and discloses an anti-slip testing device for snowmobile production, including a detection table, a base, a cover, and an electric drive rotating shaft. The base is fixedly connected to the bottom of the detection table. The electric drive rotating shaft is used to drive the snowmobile tire and is installed on the surface of the detection table. The cover passes through the snowmobile tire and is inserted on the outer wall of the electric drive rotating shaft. Through the guidance of the outer expansion surface of the clamping plate on the snowmobile tire, when the staff installs the snowmobile tire on the equipment, the obstruction caused by the visual blind area to the installation can be reduced. At the same time, through the limit of the clamping plate, assistance can be provided when the staff lifts the snowmobile tire. When the first sliding rod slides into the electric drive rotating shaft, the gear can rotate, so that during the rotation of the snowmobile tire, the clamping plate will not cause additional friction to it. Through the detection of the installation state of the snowmobile tire by the first sliding rod, when the installation of the snowmobile tire is loose, the clamping plate can be used to clamp and reduce the speed of the snowmobile tire in time.

Description

Technical Field

[0001] The present invention relates to the technical field of vehicle performance testing, and specifically relates to an anti-slip testing device for snowmobile production. Background Art

[0002] In cold and snowy regions, the anti-slip performance of snowmobiles is directly related to driving safety. Its application scenarios are extensive, ranging from polar expeditions to winter tourism, all of which require it to operate stably.

[0003] When testing existing snowmobiles, the anti-slip performance of tires is usually detected through plates with different friction coefficients. During the detection process, when the plate and the tire rub against each other, a relatively high temperature will be generated. Compared with when the driver brakes on the road surface, the contact surface of the tire is always a low-temperature road surface, and the increase in the temperature of the plate cannot accurately reflect the road conditions. Therefore, the anti-slip performance of the tire cannot be accurately reflected only by the fitting of the plate and the tire.

[0004] When the staff installs the tire on the equipment, they need to lift and fasten it. During the lifting process, the operator's line of sight will be blocked by the tire, and they need to continuously adjust their position until the tire is installed. This makes the installation difficult for the staff. At the same time, during the detection process, the tire needs to be accelerated to rotate to a specified speed. If the tire becomes loose from the equipment, the high-speed rotating tire will pose a safety hazard to the surrounding staff.

[0005] For this reason, an anti-slip testing device for snowmobile production is proposed. Summary of the Invention

[0006] The purpose of the present invention is to provide an anti-slip testing device for snowmobile production to solve the problems raised in the above background art.

[0007] To achieve the above purpose, the present invention provides the following technical solution: An anti-slip testing device for snowmobile production, including a detection table, a base, a cover, and an electric drive rotating shaft. The base is fixedly connected to the bottom of the detection table. The electric drive rotating shaft is used to drive and install a snowmobile tire on the surface of the detection table. The cover passes through the snowmobile tire and is inserted into the outer wall of the electric drive rotating shaft. An auxiliary installation component for limiting the installation of the snowmobile tire is arranged inside the detection table, and an anti-slip detection component for reducing the temperature during testing is arranged inside the detection table.

[0008] Preferably, the auxiliary installation component includes a first slide bar slidably connected to the inside of the electric drive rotating shaft. A first cavity is formed in the outer wall of the first slide bar. A first spring is fixedly connected between the inside of the first cavity and the inner cavity of the electric drive rotating shaft. A plurality of support rods are slidably connected to the inside of the electric drive rotating shaft near the detection table in an annular array. A gear is movably connected to the outer wall of the electric drive rotating shaft. One ends of the support rods located outside the electric drive rotating shaft abut against the inner wall of the gear. Thread grooves are formed in an annular array on the side of the inner wall of the gear away from the detection table. Sliders are fixedly connected to the outer wall of the electric drive rotating shaft in an annular array. The sliders are adapted to the thread grooves. A carrier plate is fixedly connected to the outer wall of the electric drive rotating shaft. The carrier plate is in contact with the inner wall of the gear. Special-shaped toothed plates are symmetrically slidably connected to the outer wall of the detection table. The sides of the special-shaped toothed plates close to the gear are engaged with the outer walls of the gears. Second springs are fixedly connected between the outer walls of the special-shaped toothed plates and the detection table. Clamping plates are fixedly connected to the sides of the special-shaped toothed plates away from the electric drive rotating shaft.

[0009] Preferably, the anti-slip detection component includes detection frames symmetrically installed on the outer wall of the detection table. Deceleration belts are installed on the sides of the detection frames close to the snowmobile tires. Crankshafts are symmetrically movably connected to the inside of the detection frames. Rotating wheels are fixedly connected to both sides of the crankshafts. A slide plate is rotatably connected to the middle of the crankshaft. An L-shaped ventilation hole is formed in the inside of the slide plate. A first sealed chamber is fixedly connected to the inside of the detection frame. The slide plate is slidably connected to the inside of the first sealed chamber. Cover plates are symmetrically rotatably connected to the side of the first sealed chamber away from the slide plate. Third springs are sleeved at the rotational joints of the cover plates and the first sealed chamber. A second sealed chamber is fixedly connected to the outer wall of the detection frame and located outside the first sealed chamber. Second slide bars are symmetrically slidably connected to the inside of the detection frame. Square plates are fixedly connected to the ends of the second slide bars close to the crankshaft. Fourth springs are fixedly connected between the square plates and the detection frames. Second cavities are formed in the outer walls of the second slide bars on the sides away from the crankshaft. An air duct is fixedly communicated with the outer wall of the second sealed chamber. A cooling chamber is formed in the inside of the detection frame. The end of the air duct away from the second sealed chamber is fixedly communicated with the inside of the cooling chamber.

[0010] Preferably, the support rods incline from the side close to the detection table to the side close to the snowmobile tire inside the electric drive rotating shaft. When the support rods are retracted into the electric drive rotating shaft, their end sides are perpendicular and coplanar with the carrier plate. A chamfer is formed on the side of the first slide bar close to the detection table. When the first spring is not stressed, the first slide bar slides out of the electric drive rotating shaft.

[0011] Preferably, when the support rods are located inside the electric drive rotating shaft, the sliders do not slide into the thread grooves.

[0012] Preferably, a ventilation hole with the same inner diameter as the air guide pipe is provided on the second sealed cabin, and the diameter of the second sliding rod is equal to the diameter of the ventilation hole of the second sealed cabin.

[0013] Preferably, the runner is attached to the outer wall of the snowmobile tire, and tooth grooves are separately arranged in an annular array on the outer wall of the runner.

[0014] Preferably, a closed space is formed in the inner cavity of the first sealed cabin by the blocking of the cover plate and the sliding plate. The L-shaped ventilation hole penetrates through the upper surface of the sliding plate and the side of the sliding plate close to the cover plate. The opening above the sliding plate is located on the upper surface of the sliding plate and on the side of the inner cavity of the detection frame close to the first sealed cabin.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0016] 1. Through the guidance of the outer expansion surface of the clamping plate on the snowmobile tire, when the staff installs the snowmobile tire on the equipment, the visual blind area can be reduced to prevent obstacles to the installation. At the same time, through the limit of the clamping plate, it can assist the staff when lifting the snowmobile tire, reducing the difficulty of installation before detection by the staff. When the first sliding rod slides into the electric drive rotating shaft, the gear can rotate, so that during the rotation of the snowmobile tire, the clamping plate will not cause additional friction to it. Through the detection of the installation state of the snowmobile tire by the first sliding rod, when the installation of the snowmobile tire is loose, the clamping plate can timely clamp and slow down the snowmobile tire, avoiding the injury to the surrounding staff caused by the out-of-control rotation of the tire, and improving the safety during the use of the equipment;

[0017] 2. Before the snowmobile tire is about to contact the detection frame, the rotation of the runner is driven by the friction of the snowmobile tire first, so that the high-pressure air is stored inside the second sealed cabin. After the detection frame contacts the snowmobile tire, the high-pressure gas inside the second sealed cabin will cool down the detection frame, so that the temperature of the detection frame is relatively low when it frictions with the snowmobile tire, thus simulating that when the vehicle brakes on the ground, it will friction and slide on the low-temperature road surface, avoiding the simultaneous increase in the temperatures of the detection frame and the snowmobile tire, which affects the detection result of the anti-skid performance of the snowmobile tire. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a three-dimensional schematic diagram of the overall structure of the present invention;

[0019] Figure 2 is an exploded schematic diagram of the overall structure of the present invention;

[0020] Figure 3 is an exploded schematic diagram of the auxiliary installation component structure of the present invention;

[0021] Figure 4 is a partial schematic diagram of the electric drive rotating shaft structure of the present invention;

[0022] Figure 5 Internal sectional view schematic diagram of the electric drive rotating shaft structure of the present invention;

[0023] Figure 6 Of the present invention Figure 5 Schematic diagram of the enlarged structure at position A in;

[0024] Figure 7 Overall schematic diagram of the anti-slip detection component structure of the present invention;

[0025] Figure 8 Internal sectional view schematic diagram of the detection frame structure of the present invention;

[0026] Figure 9 Explosion schematic diagram of the anti-slip detection component structure of the present invention;

[0027] Figure 10 Internal sectional view schematic diagram of the cooling cavity structure of the present invention.

[0028] In the figure:

[0029] 1, detection table; 2, base; 3, cover; 4, electric drive rotating shaft; 5, auxiliary installation component; 6, anti-slip detection component;

[0030] 51, first sliding rod; 52, first cavity; 53, first spring; 54, support rod; 55, gear; 56, thread groove; 57, slider; 58, carrier plate; 59, special-shaped toothed plate; 510, clamping plate; 511, second spring;

[0031] 61, detection frame; 62, speed bump; 63, crankshaft; 64, runner; 65, sliding plate; 66, L-shaped ventilation hole; 67, first sealed cabin; 68, cover plate; 69, third spring; 610, second sealed cabin; 611, second sliding rod; 612, square plate; 613, fourth spring; 614, second cavity; 615, air duct; 616, cooling cavity. Specific embodiments

[0032] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0033] Embodiments of the present invention

[0034] Please refer to Figures 1 to 6, A skid resistance test device for snowmobile production, comprising a detection table 1, a base 2, a cover 3 and an electric drive rotating shaft 4. The base 2 is fixedly connected to the bottom of the detection table 1. The electric drive rotating shaft 4 is used to drive the snowmobile tire and is installed on the surface of the detection table 1. The cover 3 passes through the snowmobile tire and is inserted into the outer wall of the electric drive rotating shaft 4. An auxiliary installation component 5 for limiting the position when the snowmobile tire is installed is arranged inside the detection table 1, and an anti-skid detection component 6 for reducing the temperature during the test is arranged inside the detection table 1.

[0035] The auxiliary installation component 5 includes a first sliding rod 51 slidably connected to the inside of the electric drive rotating shaft 4. A first cavity 52 is opened on the outer wall of the first sliding rod 51. A first spring 53 is fixedly connected between the inside of the first cavity 52 and the inner cavity of the electric drive rotating shaft 4. A plurality of support rods 54 are slidably connected in an annular array distribution on the inside of the electric drive rotating shaft 4 and close to one side of the detection table 1. A gear 55 is movably connected to the outer wall of the electric drive rotating shaft 4. One ends of the support rods 54 located outside the electric drive rotating shaft 4 are in contact with the inner wall of the gear 55. Thread grooves 56 are opened in an annular array distribution on the inner wall of the gear 55 away from one side of the detection table 1. A plurality of sliders 57 are fixedly connected in an annular array distribution on the outer wall of the electric drive rotating shaft 4. The sliders 57 are adapted to the thread grooves 56. A carrier plate 58 is fixedly connected to the outer wall of the electric drive rotating shaft 4. The carrier plate 58 is in contact with the inner wall of the gear 55. The outer wall of the detection table 1 is symmetrically slidably connected with special-shaped tooth plates 59. The sides of the special-shaped tooth plates 59 close to the gear 55 are engaged with the outer walls of the gear 55. Second springs 511 are fixedly connected between the outer walls of the special-shaped tooth plates 59 and the detection table 1. Clamping plates 510 are fixedly connected to the sides of the special-shaped tooth plates 59 away from the electric drive rotating shaft 4.

[0036] The support rods 54 are inclined from the side close to the detection table 1 to the side close to the snowmobile tire inside the electric drive rotating shaft 4. When the support rods 54 are retracted into the inside of the electric drive rotating shaft 4, the end sides thereof are perpendicular and coplanar with the carrier plate 58. A chamfer is opened on the side of the first sliding rod 51 close to the detection table 1. When the first spring 53 is not stressed, the first sliding rod 51 slides out of the outside of the electric drive rotating shaft 4.

[0037] When the support rods 54 are located inside the electric drive rotating shaft 4, the sliders 57 do not slide into the inside of the thread grooves 56.

[0038] In actual operation of the present invention, the staff lifts the snowmobile tire to be detected and aligns and installs it on the electric drive rotating shaft 4. When the staff installs the snowmobile tire, the clamping plate 510 guides the moving direction of the snowmobile tire, so that the staff can avoid the problem of difficult installation due to visual blind spots during installation. For tires with different diameters, the clamping plate 510 adjusts different distances through sliding inside the detection table 1. At the same time, through the elastic contraction of the second spring 511, the clamping plate 510 can closely adhere to the outer wall of the snowmobile tire and guide it. When the snowmobile tire is aligned with the electric drive rotating shaft 4, the clamping plate 510 at this time will closely adhere to the outer wall of the tire. The staff presses the snowmobile tire to one side of the electric drive rotating shaft 4 and installs the cover 3. When the snowmobile tire moves, it will cause extrusion of the first sliding rod 51 into the electric drive rotating shaft 4. The first sliding rod 51 slides inside the electric drive rotating shaft 4 towards the side close to the detection table 1. The first spring 53 is stretched and elastically extends to generate a resilience force. The first sliding rod 51 moves and causes the support rod 54 to slide out of the electric drive rotating shaft 4 by squeezing the inclined surface of the support rod 54. When the support rod 54 slides out of the electric drive rotating shaft 4, it will push the gear 55 to slide towards the side close to the snowmobile tire. When the gear 55 slides on the outer wall of the electric drive rotating shaft 4, the slider 57 will slide into the internal thread groove 56. At this time, the gear 55 will rotate on the outer wall of the electric drive rotating shaft 4 due to the threaded setting of the thread groove 56. The rotation of the gear 55 drives the meshing and sliding of the special-shaped tooth plate 59. After the special-shaped tooth plate 59 slides, the clamping plate 510 fixed to it will move away from the side of the snowmobile tire, and thus no longer adhere to the outer wall of the snowmobile tire;

[0039] When the cover 3 becomes loose during the detection process or the snowmobile tire is displaced on the electric drive rotating shaft 4, after the first sliding rod 51 comes into contact with the snowmobile tire, it will pop out towards the outside of the electric drive rotating shaft 4. After the first sliding rod 51 pops out, it will no longer squeeze the support rod 54. After the support rod 54 retracts into the electric drive rotating shaft 4, it will no longer push the gear 55 either. The gear 55 resets and the slider 57 disengages from the internal thread groove 56. At this time, the gear 55 rotates and drives the relative movement of the special-shaped tooth plate 59 and the clamping plate 510. The clamping plate 510 will clamp the snowmobile tire, so that the rotating snowmobile tire stops rotating due to friction and extrusion, ensuring that the surrounding staff will not be harmed by the popping out of the loose snowmobile tire during the detection process.

[0040] Through the guidance of the outer expansion surface of the clamping plate 510 on the snowmobile tire, when the staff installs the snowmobile tire on the equipment, the visual blind area can be reduced to prevent obstacles to the installation. At the same time, through the limit of the clamping plate 510, it can assist when the staff lifts the snowmobile tire, reducing the difficulty of the pre-installation inspection for the staff. When the first slide bar 51 slides into the electric drive rotating shaft 4, the gear 55 can rotate, so that during the rotation of the snowmobile tire, the clamping plate 510 will not cause additional friction to it. Through the detection of the installation state of the snowmobile tire by the first slide bar 51, when the installation of the snowmobile tire is loose, the clamping plate 510 can clamp and slow down the snowmobile tire in time, avoiding the harm caused to the surrounding staff when the tire rotates out of control and improving the safety during the use of the equipment.

[0041] Please refer to Figures 7 to 10 , the anti-slip detection component 6 includes detection frames 61 symmetrically installed on the outer wall of the detection table 1. On the side of the detection frames 61 close to the snowmobile tire, speed bumps 62 are installed. Inside the detection frames 61, crankshafts 63 are symmetrically and movably connected. On both sides of the crankshafts 63, runners 64 are fixedly connected. In the middle of the crankshafts 63, a slide plate 65 is rotationally connected. An L-shaped ventilation hole 66 is opened inside the slide plate 65. Inside the detection frames 61, a first sealed chamber 67 is fixedly connected. The slide plate 65 is slidably connected inside the first sealed chamber 67. On the side of the first sealed chamber 67 away from the slide plate 65, cover plates 68 are symmetrically and rotationally connected. Third springs 69 are sleeved at the rotational connection of the cover plates 68 and the first sealed chamber 67. On the outer wall of the detection frames 61 and outside the first sealed chamber 67, a second sealed chamber 610 is fixedly connected. Inside the detection frames 61, second slide bars 611 are symmetrically slidably connected. At one end of the second slide bars 611 close to the crankshafts 63, square plates 612 are fixedly connected. Fourth springs 613 are fixedly connected between the square plates 612 and the detection frames 61. On the outer wall of the second slide bars 611 on the side away from the crankshafts 63, second cavities 614 are opened. The outer wall of the second sealed chamber 610 is fixedly communicated with a trachea 615. Inside the detection frames 61, a cooling chamber 616 is opened. One end of the trachea 615 away from the second sealed chamber 610 is fixedly communicated with the inside of the cooling chamber 616.

[0042] The second sealed chamber 610 is provided with ventilation holes with the same inner diameter as the trachea 615, and the diameter of the second slide bar 611 is the same as the diameter of the ventilation holes of the second sealed chamber 610.

[0043] The runners 64 are in contact with the outer wall of the snowmobile tire, and tooth grooves are separately arranged in a circular array on the outer wall of the runners 64.

[0044] The inner cavity of the first sealed chamber 67 is blocked by the cover plate 68 and the sliding plate 65 to form a closed space. The L-shaped ventilation hole 66 penetrates the upper surface of the sliding plate 65 and the side of the sliding plate 65 close to the cover plate 68. The opening above the sliding plate 65 is located on the upper surface of the sliding plate 65 and on the side of the inner cavity of the detection frame 61 close to the first sealed chamber 67.

[0045] In the actual application of the present invention, when the snowmobile tire rotates to a specified speed on the test bench 1, the staff controls the two detection frames 61 to move closer to the snowmobile tire. When the speed bump 62 on the detection frame 61 is about to contact the snowmobile tire, the runner 64 will contact the snowmobile tire prior to the speed bump 62. The runner 64 rotates under the influence of the frictional force when contacting the snowmobile tire. During the rotation process, the runner 64 drives the sliding plate 65 to reciprocate inside the first sealed chamber 67 through the crankshaft 63. When the sliding plate 65 slides into the first sealed chamber 67, the L-shaped ventilation hole 66 on the upper surface of the sliding plate 65 will be blocked by the inner wall of the first sealed chamber 67, causing the original air in the inner cavity of the first sealed chamber 67 to enter the inside of the second sealed chamber 610 through the cover plate 68. Affected by the third spring 69, when the internal pressure of the first sealed chamber 67 is less than the internal pressure of the second sealed chamber 610, the cover plate 68 will always be in contact with the outer wall of the first sealed chamber 67 and seal the inside of the first sealed chamber 67. When the sliding plate 65 slides out of the first sealed chamber 67, the L-shaped ventilation hole 66 at the top of the sliding plate 65 will expose the inside of the first sealed chamber 67. At this time, the external gas will enter the inside of the first sealed chamber 67 through the L-shaped ventilation hole 66. Thus, the external air will always fill the inside of the first sealed chamber 67 during the reciprocating sliding of the sliding plate 65, and the air inside the first sealed chamber 67 will always fill the inside of the second sealed chamber 610. At this time, a relatively high pressure will be formed inside the second sealed chamber 610.

[0046] When the detection frame 61 continues to squeeze the snowmobile tire, the speed bump 62 will rub against the snowmobile tire, thereby detecting the anti-slip performance of the snowmobile tire. At the same time, the runner 64 will be squeezed by the snowmobile tire. The runner 64 pushes the square plate 612 and the second sliding rod 611 to slide away from the snowmobile tire through the crankshaft 63. The fourth spring 613 is squeezed and elastically contracts. The second cavity 614 is located in the middle of the ventilation hole of the second sealed chamber 610 after the second sliding rod 611 moves. Thus, the gas inside the second sealed chamber 610 can enter the inside of the cooling chamber 616 through the air duct 615, thereby reducing the high temperature generated by the friction of the detection frame 61 through the injection of high-pressure gas. The gas injected into the inside of the detection frame 61 passes through the cooling chamber 616 and is discharged from the inside of the detection frame 61. When the gas passes through the inside of the detection frame 61, it will discharge the heat inside the detection frame 61 to the outside.

[0047] Before the snowmobile tire comes into contact with the detection frame 61, the runner 64 is frictionally driven by the runner 64 to rotate first, so that the second sealed cabin 610 stores high-pressure air inside. After the detection frame 61 comes into contact with the snowmobile tire, the high-pressure gas inside the second sealed cabin 610 will cool down the detection frame 61, so that the temperature of the detection frame 61 is relatively low when the detection frame 61 rubs against the snowmobile tire, thus simulating that the vehicle will slide on the low-temperature road surface when braking on the ground, and avoiding the simultaneous increase in the temperatures of the detection frame 61 and the snowmobile tire, which may affect the detection result of the anti-skid performance of the snowmobile tire.

[0048] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "including a..." does not exclude the existence of additional identical elements in the process, method, article or device including the said element.

[0049] Although the 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 variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An anti-slip test device for snowmobile production, comprising a detection table (1), a base (2), a cover (3) and an electric drive rotating shaft (4), characterized in that: The base (2) is fixedly connected to the bottom of the test bench (1). The electric drive rotating shaft (4) is used to drive the snowmobile tire and is installed on the surface of the test bench (1). The cover (3) passes through the snowmobile tire and is inserted into the outer wall of the electric drive rotating shaft (4). An auxiliary installation component (5) for limiting the position when the snowmobile tire is installed is arranged inside the test bench (1), and an anti-slip detection component (6) for reducing the temperature during the test is arranged inside the test bench (1). The auxiliary installation component (5) includes a first slide bar (51) slidably connected to the inside of the electric drive rotating shaft (4). A first cavity (52) is formed in the outer wall of the first slide bar (51). A first spring (53) is fixedly connected between the inside of the first cavity (52) and the inner cavity of the electric drive rotating shaft (4). A plurality of support rods (54) are slidably connected in an annular array distribution inside the electric drive rotating shaft (4) and close to one side of the test bench (1). A gear (55) is movably connected to the outer wall of the electric drive rotating shaft (4). One ends of the support rods (54) located outside the electric drive rotating shaft (4) are in contact with the inner wall of the gear (55). Thread grooves (56) are formed in an annular array distribution on the side of the inner wall of the gear (55) away from the test bench (1). A plurality of sliders (57) are fixedly connected to the outer wall of the electric drive rotating shaft (4) in an annular array distribution. The sliders (57) are adapted to the thread grooves (56). A carrier plate (58) is fixedly connected to the outer wall of the electric drive rotating shaft (4). The carrier plate (58) is in contact with the inner wall of the gear (55). Special-shaped toothed plates (59) are symmetrically slidably connected to the outer wall of the test bench (1). The sides of the special-shaped toothed plates (59) close to the gear (55) are engaged with the outer wall of the gear (55). Second springs (511) are fixedly connected between the outer walls of the special-shaped toothed plates (59) and the test bench (1). Clamping plates (510) are fixedly connected to the sides of the special-shaped toothed plates (59) away from the electric drive rotating shaft (4).

2. The anti-slip test device for snowmobile production according to claim 1, characterized in that: The anti-slip detection component (6) includes detection frames (61) symmetrically installed on the outer wall of the detection table (1). Deceleration strips (62) are installed on one side of each detection frame (61) close to the snowmobile tire. Crankshafts (63) are symmetrically and movably connected inside the detection frames (61). Rotating wheels (64) are fixedly connected to both sides of the crankshafts (63). A sliding plate (65) is rotatably connected to the middle of the crankshafts (63). An L-shaped ventilation hole (66) is formed inside the sliding plate (65). A first sealed chamber (67) is fixedly connected inside the detection frame (61). The sliding plate (65) is slidably connected inside the first sealed chamber (67). Cover plates (68) are symmetrically and rotatably connected to one side of the first sealed chamber (67) away from the sliding plate (65). Third springs (69) are sleeved at the rotational connection positions of the cover plates (68) and the first sealed chamber (67). A second sealed chamber (610) is fixedly connected to the outer wall of the detection frame (61) and outside the first sealed chamber (67). Second sliding rods (611) are symmetrically and slidably connected inside the detection frame (61). Square plates (612) are fixedly connected to one end of each second sliding rod (611) close to the crankshaft (63). Fourth springs (613) are fixedly connected between the square plates (612) and the detection frame (61). Second cavities (614) are formed on the outer wall of one side of each second sliding rod (611) away from the crankshaft (63). An air guide pipe (615) is fixedly communicated with the outer wall of the second sealed chamber (610). A cooling chamber (616) is formed inside the detection frame (61). One end of the air guide pipe (615) away from the second sealed chamber (610) is fixedly communicated with the inside of the cooling chamber (616).

3. A non-slip test device for snowmobile production according to claim 1, characterized in that: The support rod (54) inclines inside the electric drive rotating shaft (4) from the side close to the detection table (1) to the side close to the snowmobile tire. When the support rod (54) retracts into the electric drive rotating shaft (4), its end side is perpendicular and coplanar with the carrier plate (58). A chamfer is formed on one side of the first sliding rod (51) close to the detection table (1). When the first spring (53) is not stressed, the first sliding rod (51) slides out of the electric drive rotating shaft (4).

4. The anti-slip test device for snowmobile production according to claim 1, characterized in that: When the support rod (54) is located inside the electric drive rotating shaft (4), the slider (57) does not slide into the thread groove (56).

5. The anti-slip test device for snowmobile production according to claim 2, wherein: The second sealed chamber (610) is provided with a ventilation hole having the same inner diameter as the air guide pipe (615). The diameter of the second sliding rod (611) is equal to the diameter of the ventilation hole of the second sealed chamber (610).

6. The anti-slip test device for snowmobile production according to claim 2, characterized in that: The rotating wheel (64) is in contact with the outer wall of the snowmobile tire. Tooth grooves are separately arranged in an annular array on the outer wall of the rotating wheel (64).

7. The anti-slip test device for snowmobile production according to claim 2, characterized in that: A closed space is formed inside the first sealed chamber (67) blocked by the cover plate (68) and the sliding plate (65). The L-shaped ventilation hole (66) penetrates through the upper surface of the sliding plate (65) and one side of the sliding plate (65) close to the cover plate (68). The opening above the sliding plate (65) is located on the upper surface of the sliding plate (65) and on one side of the inner cavity of the detection frame (61) close to the first sealed chamber (67).

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