CN216467195U

CN216467195U - Damage-free anti-skid chain with self-tightening device

Info

Publication number: CN216467195U
Application number: CN202122281869.6U
Authority: CN
Inventors: 俞建华
Original assignee: Hangzhou Zhiheng Chain Manufacturing Co ltd
Current assignee: Hangzhou Zhiheng Chain Manufacturing Co ltd
Priority date: 2021-09-22
Filing date: 2021-09-22
Publication date: 2022-05-10
Anticipated expiration: 2031-09-22

Abstract

The utility model relates to a non-damage antiskid chain with a self-tightening device, which solves the problems in the prior art and adopts the technical scheme that the non-damage antiskid chain comprises a steel wire rope set, transition chains, a connecting plate, transition chain hooks, a plurality of side chains, the self-tightening device and a buckle plate, wherein the steel wire rope set is connected with the plurality of transition chains, the side chains are connected with the plurality of transition chains through the transition chain hooks, the middle sections of two opposite transition chains are connected with each other through the connecting plate, the buckle plate is arranged at the first end of each side chain, the self-tightening device is arranged at the second end of each side chain, the buckle plate is matched with the self-tightening device, and the self-tightening device comprises an upper shell, a lower shell, a wrench, a coil spring, a steel wire rope, a shifting fork, two pawls, a ratchet wheel and a small spring.

Description

Damage-free anti-skid chain with self-tightening device

Technical Field

The utility model belongs to an anti-skid chain, and relates to a nondestructive anti-skid chain with a self-tightening device.

Background

In snow days or rainy days, in order to ensure driving safety, the automobile can be provided with the antiskid chains on the tires for antiskid, and therefore, the structural design of the antiskid chains plays a vital role in traffic safety. The prior anti-skid chain has the following disadvantages: the crawler chain has the problem that the crawler chain in the prior art is complex in connection and inconvenient to use although the antiskid performance can be improved when the crawler chain is applied to engineering machinery.

For example, an automobile tyre chain and an automatic mounting device for the tyre chain are disclosed in application number CN201810818117.9, the tyre chain comprises a tyre chain body and steel nails; the antiskid chain body is annular and is made of a thermotropic high-molecular shape memory material, and the steel nails are nested on the outer circumferential surface of the antiskid chain body. The automatic anti-skid chain mounting device comprises a clamping mounting mechanism, a heating mechanism, a reversing switching mechanism, a three-dimensional moving mechanism, a vehicle jacking mechanism and a control detection system; the clamping and mounting mechanism is used for sleeving the antiskid chain on the periphery of the automobile tire, and the heating mechanism can uniformly heat the antiskid chain in the circumferential direction; the three-dimensional moving mechanism can enable the reversing switching mechanism to realize back-and-forth sliding in the transverse direction, the longitudinal direction and the vertical direction; the vehicle jacking mechanism is used for jacking the automobile; the control detection system is used for adjusting and positioning the clamping installation mechanism. However, the utility model applies the heat shrinkable material to the anti-skid chain, so that although the anti-skid chain is installed quickly and conveniently, the cost is higher, and points with weaker structure exist, so that the utility model has room for improvement.

SUMMERY OF THE UTILITY MODEL

The utility model solves the problem of short overall service life in the prior art, and provides a non-damage antiskid chain with a self-tightening device.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a non-damage antiskid chain with a self-tightening device comprises a steel wire rope set, a transition chain, a connecting plate, a transition chain hook, a plurality of side chains, the self-tightening device and a buckling plate, wherein the steel wire rope set is connected with the transition chain, the side chains are connected with the transition chain hook through the transition chain, the middle sections of two transition chains with opposite positions are connected with each other through the connecting plate, the buckling plate is arranged at the first end of each side chain, the self-tightening device is arranged at the second end of each side chain, the buckling plate is matched with the self-tightening device, the self-tightening device comprises an upper shell, a lower shell, a wrench, a coil spring, a steel wire rope, a shifting fork, two pawls, a ratchet wheel and a small spring, the lower shell is provided with a connecting column, the upper shell is connected with the lower shell in an interconnecting mode, the middle part of the ratchet wheel is filled with the coil spring, and the center of the coil spring is wound on the connecting column, the upper edge of the outer side wall of the ratchet wheel and the lower edge of the outer side wall of the ratchet wheel are evenly distributed with ratchets, the steel wire rope penetrates through the ratchet wheel to be connected with a coil spring on the inner side of the ratchet wheel, the pawls are connected with a shifting fork through small springs for resetting, the two pawls are respectively matched with the ratchet wheel, one pawl is matched with the ratchets distributed on the lower edge of the outer side wall of the ratchet wheel, one pawl is matched with the ratchets distributed on the upper edge of the outer side wall of the ratchet wheel, the end part of the shifting fork penetrates through the upper shell to be connected with a wrench on the upper shell, and the shifting fork is rotatably connected with the upper shell.

When in use, the steel wire rope on the self-tightening device is firstly pulled out and then is connected with the buckle plate on the side chain. In the running process, the steel wire rope on the self-tightening device can be retracted inwards under the action of the coil spring, so that the tightening effect is achieved. The steel wire rope cannot be pulled outwards due to the pawl. The tighter the chain is during travel. When the self-tightening device is used, two self-tightening devices capable of automatically tightening can be arranged on each side chain, the self-tightening devices are tightened by the front pawl and the back pawl, and the self-tightening device is quick in connection and convenient to use.

Preferably, the upper shell and the lower shell are connected through a plurality of rivets.

Preferably, a protrusion extends from each side of the upper housing and the lower housing, and the two protrusions are connected by a rivet.

Preferably, the upper shell and the lower shell are provided with a nozzle part in an extending manner corresponding to the position of the steel wire rope, the nozzle part is filled with a nozzle, and the end part of the steel wire rope is connected with a connecting block.

Preferably, the middle section of the transition chain is fixedly connected with the connecting plate in a welding mode. The middle of the transition chain is welded together by adopting a high-strength iron plate, so that the antiskid and wear-resistant degrees are better. Mainly, the side slip prevention is more than 20 percent higher than that of the product which is made of chains in general.

Preferably, a planar shape between the transition chain and the wire rope group is a trapezoid, and a planar shape between the transition chain and the side chain is a trapezoid.

The substantial effects of the utility model are as follows: when in use, the steel wire rope on the self-tightening device is firstly pulled out and then is connected with the buckle plate on the side chain. In the running process, the steel wire rope on the self-tightening device can be retracted inwards under the action of the coil spring, so that the tightening effect is achieved. The steel wire rope cannot be pulled outwards due to the pawl. The tighter the chain is during travel. When the self-tightening device is used, two self-tightening devices capable of automatically tightening can be arranged on each side chain, the self-tightening devices are tightened by the front pawl and the back pawl, and the self-tightening device is quick in connection and convenient to use.

Drawings

FIG. 1 is a schematic structural view of a self-tightening device according to the present invention;

FIG. 2 is a schematic view of an overall structure of the present invention;

in the figure: 1. the steel wire rope comprises a steel wire rope group, 2, a transition chain, 3, a connecting plate, 4, a transition chain hook, 5, a side chain, 6, a self-tightening device, 11, a buckle plate, a1, an upper shell, a2, a lower shell, a3, a wrench, a4, a steel wire rope, a5, a connecting block, a6, a coil spring, a7, a guide nozzle, a8, a shifting fork, a9, a pawl, a10, a ratchet, a11 and a small spring.

Detailed Description

The technical solution of the present invention will be further specifically described below by way of specific examples.

Example 1:

the utility model provides a take not damaged formula tyre chain of self-tightening device (see attached drawing 1 and attached drawing 2), includes a steel wire rope group 1, transition chain 2, connecting plate 3, transition chain hook 4, a plurality of side chains 5, from self-tightening device 6 and buckle 11, be connected with a plurality of transition chains on the steel wire rope group, be connected with a plurality of transition chains through transition chain hook on the side chain, the middle sections of two relative transition chains in position are connected through the connecting plate each other, through welding mode fixed connection between the middle section of transition chain and the connecting plate, and the connecting plate is perpendicular and transition chain's iron plate. The middle of the transition chain is welded together by adopting a high-strength iron plate, so that the antiskid and wear-resistant degrees are better. Mainly, the side slip prevention is more than 20 percent higher than that of the product which is made of chains in general. The first end of every side chain is provided with the buckle, and the second end of every side chain is provided with from tight device, the buckle with from tight device cooperation, the transition chain with plane shape between the wire rope group is trapezoidal, the transition chain with plane shape between the side chain is trapezoidal. Self-tightening device includes casing a1, lower casing a2, spanner a3, coil spring a6, wire rope a4, shift fork a8, two pawl a9, ratchet a10 and little spring a11 down, be provided with a spliced pole on the casing down, go up the casing with the side of casing respectively extends down has a lug, passes through rivet connection between two lugs, just go up the casing and still seted up a plurality of rivet hole down between the casing to connect through a plurality of rivet. The middle of the ratchet wheel is filled with and connected with a coil spring, the center of the coil spring is wound on the connecting column, ratchets are distributed on the upper edge of the outer side wall of the ratchet wheel and the lower edge of the outer side wall of the ratchet wheel, the steel wire rope penetrates through the ratchet wheel and is connected with the coil spring on the inner side of the ratchet wheel, a guide nozzle part is arranged on the upper shell and the lower shell in an extending mode corresponding to the position of the steel wire rope, a guide nozzle a7 is filled in the guide nozzle part, and the end portion, penetrating through the guide nozzle, of the steel wire rope is connected with a connecting block a5 for limiting. The ratchet wheel is characterized in that the pawls are connected with a shifting fork through small springs for resetting, the two pawls are respectively matched with the ratchet wheel, one pawl is matched with ratchets distributed on the lower edge of the outer side wall of the ratchet wheel, the other pawl is matched with ratchets distributed on the upper edge of the outer side wall of the ratchet wheel, the end part of the shifting fork penetrates through the upper shell and then is connected with a wrench on the upper shell, and the shifting fork is rotatably connected with the upper shell.

When the self-tightening device is used, the steel wire rope on the self-tightening device is firstly pulled out and then is connected with the buckle plate on the side chain. In the running process, the steel wire rope on the self-tightening device can be retracted inwards under the action of the coil spring, so that the tightening effect is achieved. The steel wire rope cannot be pulled outwards due to the pawl. The tighter the chain is during travel. When the self-tightening device is used, two self-tightening devices capable of automatically tightening can be arranged on each side chain, the self-tightening devices are tightened by the front pawl and the back pawl, and the self-tightening device is quick in connection and convenient to use.

The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit of the utility model as set forth in the claims.

Claims

1. The utility model provides a take not damaged formula tyre chain of self-tightening device which characterized in that: the self-tightening device comprises a steel wire rope set, transition chains, a connecting plate, transition chain hooks, a plurality of side chains, a self-tightening device and a buckle plate, wherein the steel wire rope set is connected with the transition chains, the side chains are connected with the transition chains through the transition chain hooks, the middle sections of the two transition chains with opposite positions are connected with each other through the connecting plate, the buckle plate is arranged at the first end of each side chain, the self-tightening device is arranged at the second end of each side chain, the buckle plate is matched with the self-tightening device, the self-tightening device comprises an upper shell, a lower shell, a wrench, a coil spring, a steel wire rope, a shifting fork, two pawls, a ratchet wheel and a small spring, a connecting column is arranged on the lower shell, the upper shell and the lower shell are mutually connected, the coil spring is filled in the middle of the ratchet wheel, the center of the coil spring is wound on the connecting column, and ratchets are uniformly distributed on the upper edge of the outer side wall of the ratchet wheel and the lower edge of the outer side wall of the ratchet wheel, the steel wire rope penetrates through the ratchet wheel to be connected with a coil spring on the inner side of the ratchet wheel, the pawls are connected with the shifting fork through a small spring for resetting, the two pawls are respectively matched with the ratchet wheel, one pawl is matched with ratchets distributed on the lower edge of the outer side wall of the ratchet wheel, the other pawl is matched with ratchets distributed on the upper edge of the outer side wall of the ratchet wheel, the end part of the shifting fork penetrates through the upper shell to be connected with a wrench on the upper shell, and the shifting fork is rotatably connected with the upper shell.

2. The atraumatic snow chain with self-tightening device according to claim 1, characterized in that: the upper shell and the lower shell are connected through a plurality of rivets.

3. The atraumatic snow chain with self-tightening device according to claim 2, characterized in that: the side surfaces of the upper shell and the lower shell are respectively extended with a convex block, and the two convex blocks are connected through a rivet.

4. The atraumatic snow chain with self-tightening device according to claim 3, characterized in that: the upper shell and the lower shell are provided with a guide nozzle part in an extending mode corresponding to the position of the steel wire rope, the guide nozzle part is filled with a guide nozzle, and the end portion of the steel wire rope is connected with a connecting block.

5. The atraumatic snow chain with self-tightening device according to claims 1 or 2 or 3 or 4, characterized in that: the middle section of the transition chain is fixedly connected with the connecting plate in a welding mode.

6. The atraumatic snow chain with self-tightening device according to claims 1 or 2 or 3 or 4, characterized in that: the planar shape between the transition chain and the steel wire rope group is trapezoidal, and the planar shape between the transition chain and the side chain is trapezoidal.