CN219544439U

CN219544439U - High-safety cylindrical belt for trailer

Info

Publication number: CN219544439U
Application number: CN202320582457.2U
Authority: CN
Inventors: 王勇军; 郑敦标; 郝家良; 李景泉; 罗芳
Original assignee: JIANFENG SLING CO Ltd
Current assignee: JIANFENG SLING CO Ltd
Priority date: 2023-03-22
Filing date: 2023-03-22
Publication date: 2023-08-18
Anticipated expiration: 2033-03-22

Abstract

The cylindrical belt for the trailer provided by the utility model is provided with the wear-resistant outer sleeve consisting of the wear-resistant inner layer and the wear-resistant outer layer, the rope core formed by combining the bearing core and the elastic stretching core is protected, the joint of the connecting piece and the cylindrical belt body is provided with the protective sleeve, the cylindrical belt body can change the length of the cylindrical belt body along with the change of the applied external force so as to cope with the situation of the change of the safety distance in the dragging process, namely when the stress of the safety distance is required to be increased, the cylindrical belt for the trailer can stretch along with the elastic stretching core, finally the length of the bearing core can be reached, and the tension which is increased instantaneously in the initial stage of dragging is buffered, so that the enough and stable tension is transferred between a dragging vehicle and a fault vehicle; when the stress of the safety distance needs to be shortened and the stress is reduced, the cylindrical belt for the trailer is in a contracted state under the action of the elastic expansion core, so that the damage of the landing friction of the cylindrical belt caused by the fact that the length of the cylindrical belt is longer than the safety distance is avoided; meanwhile, the cylindrical belt for the trailer can ensure a relatively short guarantee length, so that the cylindrical belt for the trailer is more convenient to carry.

Description

High-safety cylindrical belt for trailer

Technical Field

The utility model belongs to the technical field of ropes for automobile rescue and towing, and particularly relates to a cylindrical belt for a trailer with high safety.

Background

At present, the number of automobiles is continuously increased, the automobiles are increasingly trivial to use, different road conditions are met in the running process of the automobiles, complex road surface environments are met, the situation that the automobiles fail on the road and cannot run can not occur inevitably, the vehicles which cannot run after the failure need to be towed away from accident sites by other vehicles through towing tools such as ropes to avoid traffic blockage and maintain the failed vehicles, and the cylindrical belt for the trailer is one rope type widely applied to automobile rescue and towing and is formed by alternately weaving outer jackets and inner yarns; when the trailer is towed, a certain safety distance is kept between the towing vehicle and the fault vehicle through the length of the cylindrical belt for the trailer, but the safety distance can be changed along with the actual conditions of the towing vehicle such as speed reduction, parking and the like due to a red light in the towing process, but normally, when the safety distance is reduced, the cylindrical belt for the trailer with a fixed length can be loosened and even falls to the ground in the process, so that the cylindrical belt for the trailer is crushed by the front wheel of the fault vehicle to reduce the mechanical strength, and when the towing vehicle is towed again, the cylindrical belt for the trailer crushed by the front wheel of the fault vehicle is extremely easy to be torn, and the towing rope is required to be connected again or the new cylindrical belt for the trailer is required to be replaced again, so that the road condition is influenced and the towing efficiency is reduced.

Therefore, there is a need for a cylindrical belt for a trailer, which has elasticity and can achieve a telescoping effect, and which can cope with a change in a safe distance during a dragging process, and which stretches and spreads when a force for increasing the safe distance is required, so as to buffer a pulling force which increases instantaneously at an initial stage of the dragging; when the stress of the safety distance needs to be shortened and the stress is reduced, the cylindrical belt for the trailer is elastically contracted, so that the damage of friction after the cylindrical belt falls to the ground caused by the fact that the length of the cylindrical belt is longer than the safety distance is avoided; meanwhile, the cylindrical belt for the trailer can ensure a relatively short guarantee length, so that the cylindrical belt for the trailer is more convenient to carry.

Disclosure of Invention

Aiming at the prior problems, the utility model provides a cylindrical belt for a trailer, which has high safety, has elasticity and can achieve a telescopic effect so as to cope with the change of a safety distance in the dragging process, can be stretched and unfolded when the stress is increased, and can buffer the pulling force which is instantaneously increased in the initial stage of dragging; the elastic belt can rebound and shrink when the stress is reduced, so that the damage of friction after the cylindrical belt falls to the ground caused by the fact that the length of the cylindrical belt is longer than a safe distance is avoided; meanwhile, the cylindrical belt for the trailer can ensure a relatively short guarantee length, so that the cylindrical belt for the trailer is more convenient to carry.

In order to achieve the above purpose, the utility model provides a cylindrical belt for a trailer with high safety, which comprises a cylindrical belt body and connecting pieces arranged at the front end and the tail end of the cylindrical belt body, wherein the cylindrical belt body comprises a wear-resistant outer sleeve and a rope core arranged in the wear-resistant outer sleeve, the wear-resistant outer sleeve is of a double-layer structure and comprises a wear-resistant inner layer and a wear-resistant outer layer, a main rope core cavity is formed in the wear-resistant inner layer, a secondary rope core cavity is formed between the wear-resistant inner layer and the wear-resistant outer layer, the rope core comprises a central bearing core and an elastic stretching core surrounding the outer side of the bearing core, the bearing core is arranged in the main rope core cavity, and the elastic stretching core is arranged in the secondary rope core cavity.

Further, the wear-resistant inner layer and the wear-resistant outer layer are connected together through a plurality of connecting lines, a plurality of independent sub-rope core cavities are formed by dividing the auxiliary rope core cavities between the wear-resistant inner layer and the wear-resistant outer layer through the connecting lines, the diameter of the main rope core cavity is larger than that of the sub-rope core cavities, and the cross section of the wear-resistant outer sleeve is a plurality of slightly smaller circles which surround 1 relatively larger circle.

Further, the length of the load-bearing core is set to be 1.2 to 1.5 times that of the elastically stretchable core.

Furthermore, the wear-resistant inner layer and the wear-resistant outer layer are woven by dense carbon fibers.

Further, a protecting sleeve is arranged at the joint of the connecting piece and the two ends of the cylindrical belt body.

Further, the connecting piece is provided with an anti-unhooking hook forged by steel.

Furthermore, the outside of the wear-resistant outer layer is also provided with a coating layer with bright and bright colors, and the outside of the coating layer is discontinuously distributed with a light-reflecting ring.

Compared with the prior art, the utility model has the beneficial effects that: the utility model provides a wear-resistant outer sleeve with a double-layer structure, which is formed by arranging a wear-resistant inner layer and a wear-resistant outer layer, protecting a rope core formed by combining a bearing core and an elastic stretching core, and simultaneously arranging a protective sleeve at the joint of a connecting piece and two ends of a cylindrical belt body.

The cylindrical belt for the trailer provided by the utility model has high safety, and the length of the cylindrical belt can be changed along with the change of external force applied to the cylindrical belt for the trailer so as to cope with the situation that the safety distance is changed in the dragging process, namely, when the stress of the safety distance is required to be increased, the cylindrical belt for the trailer is stretched and unfolded to buffer the tension which is instantaneously increased in the initial stage of dragging; when the stress of the safety distance needs to be shortened and the stress is reduced, the cylindrical belt for the trailer is elastically contracted, so that the damage of friction after the cylindrical belt falls to the ground caused by the fact that the length of the cylindrical belt is longer than the safety distance is avoided; meanwhile, the cylindrical belt for the trailer can ensure a relatively short guarantee length, so that the cylindrical belt for the trailer is more convenient to carry.

Drawings

FIG. 1 is a schematic view of a high-safety cylindrical belt for a trailer according to the present utility model;

fig. 2 is a schematic cross-sectional view of the wear resistant jacket of the present utility model.

In the figure: the novel anti-unhooking rope comprises a 1-cylindrical belt body, a 2-unhooking hook, a 3-protective sleeve, a 4-reflecting ring, a 5-wear-resistant inner layer, a 6-wear-resistant outer layer, a 7-main rope core cavity, an 8-sub rope core cavity, a 9-bearing core, a 10-elastic stretching core and 11-connecting wires.

Detailed Description

For a further detailed description of the utility model, reference is made to the accompanying drawings. It is specifically intended that the embodiments described below are only some, but not all, embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 and 2, this embodiment provides a high-safety cylindrical belt for trailer, including cylindrical belt body 1 and set up the connecting piece at the both ends of cylindrical belt body 1 head and tail, in this embodiment, the connecting piece sets up to steel forged mousing-hook 2 for connect the trailer and trouble car, mousing-hook 2 with the junction at cylindrical belt body 1 both ends is provided with lag 3, is used for protecting this junction, reduces the wearing and tearing to this in the use, can level this connection contact point simultaneously, makes cylindrical belt atress is more even, stable pulling force.

The cylindrical belt body 1 comprises a wear-resistant jacket and a rope core arranged in the wear-resistant jacket, the rope core comprises a central bearing core 9 and an elastic stretching core 10 surrounding the outer side of the bearing core 9, the bearing core 9 is arranged in the main rope core cavity 7, the elastic stretching core 10 is arranged in the auxiliary rope core cavity, in the embodiment, the bearing core 9 is formed by alternately knitting a plurality of groups of warps, wefts and lockstitch lines on a knitting machine, the warps, the wefts and the lockstitch lines are all made of polyamide fiber materials, the elastic stretching core 10 is a multi-strand silica gel rubber band with strong pulling toughness, the length of the bearing core 9 is 1.2 to 1.5 times that of the elastic stretching core 10, and the length of the elastic stretching core 10 is smaller than that of the bearing core 9, so that under the condition that no external force or external force is reduced, the cylindrical belt body 1 is in a contracted state under the action of the elastic stretching core 10, when the external force or the external force is applied to be increased, the cylindrical belt body 1 is stretched along with the elastic stretching core 10, and the ultimate stretching core 9 can be stretched to achieve stable tensile force and stable running vehicle length.

The wear-resistant outer sleeve is of a double-layer structure and comprises a wear-resistant inner layer 5 and a wear-resistant outer layer 6, a main rope core cavity 7 is formed in the wear-resistant inner layer 5, an auxiliary rope core cavity is formed between the wear-resistant inner layer 5 and the wear-resistant outer layer 6, in the embodiment, the wear-resistant inner layer 5 and the wear-resistant outer layer 6 are all woven by dense carbon fibers and are connected together through a plurality of connecting lines 11 on the outer surface of the wear-resistant inner layer 5 and the inner surface of the wear-resistant outer layer 6, meanwhile, the auxiliary rope core cavity is divided into a plurality of independent sub-rope core cavities 8 by the connecting lines 11, and the elastic stretching cores 10 are independently arranged in the sub-rope core cavities 8, so that mutual twisting among a plurality of elastic stretching cores 10 can be avoided; and the diameter of the main rope core cavity 7 is larger than that of the sub rope core cavity 8, and the cross section of the wear-resistant outer sleeve is a plurality of slightly smaller circles which surround 1 relatively larger circle.

In this embodiment, the wear-resisting outer layer 6 outside still is provided with bright-colored coating to more stand out and remind other passing vehicles to pay attention to, the while coating outside is interrupted to be distributed has reflector ring 4, in order to adapt to the night rescue that the visibility is low.

In the present embodiment, the foregoing is merely illustrative, and is not intended to limit the scope of the present utility model.

The utility model provides a wear-resistant outer sleeve with a double-layer structure, which is formed by arranging a wear-resistant inner layer and a wear-resistant outer layer, protecting a rope core formed by combining a bearing core and an elastic stretching core, and simultaneously arranging a protective sleeve at the joint of a connecting piece and two ends of a cylindrical belt body.

The above-disclosed embodiments are merely illustrative of the present utility model and are not intended to limit the scope of the utility model, which is defined by the appended claims.

The scope of the utility model should be determined by the scope of the claims. It will be apparent to those skilled in the art that various modifications and variations can be made in the present utility model without departing from the spirit or scope of the utility model, and these should also be considered as falling within the scope of the utility model.

Claims

1. The utility model provides a high for trailer cylindrical belt of security, its characterized in that includes the cylindrical belt body and sets up the connecting piece at cylindrical belt body head and tail both ends, the cylindrical belt body includes wear-resisting overcoat and sets up the rope core in the wear-resisting overcoat, the wear-resisting overcoat is bilayer structure, including wear-resisting inlayer and wear-resisting skin, form a main rope core chamber in the wear-resisting inlayer, form vice rope core chamber between wear-resisting inlayer and the wear-resisting skin, the rope core includes the bearing core of center and centers on the elasticity that bears the outside of core stretches the core, it is in to bear the core settling in the main rope core intracavity, elasticity stretches the core and settles vice rope core intracavity.

2. The high-safety cylindrical belt for a trailer according to claim 1, wherein the wear-resistant inner layer and the wear-resistant outer layer are connected together through a plurality of connecting lines, a plurality of independent sub-rope core cavities are formed by dividing the auxiliary rope core cavities between the wear-resistant inner layer and the wear-resistant outer layer through the connecting lines, the diameter of the main rope core cavity is larger than that of the sub-rope core cavities, and the cross section of the wear-resistant outer sleeve is a plurality of slightly smaller circles surrounding 1 relatively larger circle.

3. A highly secure cylindrical belt for a trailer according to claim 1, wherein the length of the load-bearing core is set to 1.2 to 1.5 times the length of the elastically stretchable core.

4. The high security cylindrical belt for trailers of claim 1 wherein said wear resistant inner layer and said wear resistant outer layer are woven from dense carbon fibers.

5. The high-safety cylindrical belt for a trailer according to claim 1, wherein a protecting sleeve is arranged at the joint of the connecting piece and two ends of the cylindrical belt body.

6. The high security cylindrical belt for a trailer according to claim 1, wherein the connector is provided as a steel forged anti-unhooking hook.

7. The high-safety cylindrical belt for the trailer according to claim 1, wherein a bright-colored coating layer is further arranged on the outer side of the wear-resistant outer layer, and light-reflecting rings are discontinuously distributed on the outer side of the coating layer.