Rollable self-locking cable trench support

Abstract

The utility model provides a rollable self-locking cable trench support which comprises a support body, a shaft body arranged on the support body, a plurality of cable bearing rollers arranged on the shaft body and a self-locking mechanism arranged between the shaft body and the cable bearing rollers. The cable bearing roller can only rotate around the shaft body in the direction A and cannot rotate in the direction opposite to the direction A. The use efficiency of the cable support is improved, cables are prevented from being stacked in a cable trench in a mess, the safety coefficient in the cable trench is improved, the probability of fire disasters in the cable trench is reduced, in the actual cable laying process, operators can accurately control the cable length, and the cable laying efficiency is improved. The cable support has the advantages of being simple in structure, convenient to operate, low in implementation cost and convenient to popularize and implement.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of cable laying, and particularly relates to a rollable self-locking cable trench support. BACKGROUND

[0002] In the prior art, a cable trench is an underground facility for laying, protecting and managing cables, and is mainly used to provide a safe and stable laying environment for cables, protect the cables from external factors such as mechanical damage, chemical corrosion and moisture intrusion, and facilitate the maintenance and management of the cables. The traditional cable trench comprises a trench body, a cable support and a cover plate.

[0003] In the prior art, a cable trench support is used to support and fix cables in a cable trench, ensure that the cables are laid in order in the cable trench, maintain a certain spacing, facilitate the heat dissipation, maintenance and maintenance of the cables, and also protect the cables from damage by external factors. The commonly used cable support in the prior art is usually a hanging support or a drum-type support hung on the side wall of the cable trench. Referring to the cable trench support shown in Chinese patent publication CN11181119A, the support rod is formed by extending from the side wall of the cable trench to the inside of the cable trench to support the cables. However, the existing cable support has a low utilization rate in actual application. The cables are usually placed on the ground in the cable trench, which leads to messy stacking of the cables in the cable trench, affects cable management and maintenance, and the cables are placed in the cable trench in a bundle, which has poor heat dissipation effect. The high temperature of the cables will reduce the current-carrying capacity of the cables and cause a fire safety hazard. The existing drum support does not have a self-locking function, and the laying length of the cable cannot be accurately controlled during cable laying, which results in poor actual use experience. Therefore, there is an urgent need for improvement. CONTENT OF THE UTILITY MODEL

[0004] The application is proposed to solve the technical problems in the prior art, such as the low utilization rate of the traditional hanging cable trench support, the messy stacking of the cables on the ground in the cable trench, the fire safety hazard, the lack of self-locking function in the traditional drum-type cable trench support, the inability to accurately control the laying length of the cable during cable laying, and the poor actual use experience. The application provides a rollable self-locking cable trench support.

[0005] In order to solve the technical problems proposed in the application, the application also provides a cable trench structure.

[0006] The application adopts the following scheme, a rollable self-locking cable trench support, comprising a support body, a shaft body provided on the support body, a plurality of cable bearing drums rotatably provided on the shaft body, and a self-locking mechanism provided between the cable bearing drum and the shaft body, the cable bearing drum can rotate relative to the shaft body in direction A, and the self-locking mechanism is used for limiting the cable bearing drum from rotating in the opposite direction of direction A.

[0007] In some possible embodiments, the self-locking mechanism comprises a locking groove provided on one end of the cable bearing drum, a tooth portion provided on the inner wall of the locking groove, and a self-locking assembly rotatably provided on the shaft body, the self-locking assembly is matched with the locking groove, when the cable bearing drum rotates around the shaft body in direction A, the self-locking assembly moves away from the tooth portion, so that the cable bearing drum rotates in direction A, when the cable bearing drum rotates around the shaft body in the opposite direction of direction A, the self-locking assembly moves towards the tooth portion, so that the tooth portion abuts against the self-locking assembly, thereby limiting the cable bearing drum from rotating around the shaft body in the opposite direction of direction A.

[0008] In some possible embodiments, the self-locking assembly comprises a connecting block rotatably provided on the shaft body, a connecting groove provided on one end of the connecting block close to the tooth portion, a locking piece matched with the connecting groove, and an elastic piece provided between the connecting groove and the locking piece, when the cable bearing drum rotates around the shaft body in direction A, the tooth portion abuts against one side of the locking piece and drives the locking piece to move away from the tooth portion, when the cable bearing drum rotates around the shaft body in the opposite direction of direction A, the tooth portion abuts against the other side of the locking piece, thereby limiting the cable bearing drum from rotating around the shaft body in the opposite direction of direction A.

[0009] In some possible embodiments, the locking piece comprises a vertical portion and an inclined portion, an included angle X is provided between the vertical portion and the inclined portion, when the cable bearing drum rotates around the shaft body in direction A, the tooth portion abuts against the inclined portion and drives the locking piece to move away from the tooth portion, when the cable bearing drum rotates around the shaft body in the opposite direction of direction A, the tooth portion abuts against the vertical portion of the locking piece, thereby limiting the cable bearing drum from rotating around the shaft body in the opposite direction of direction A.

[0010] In some possible embodiments, the angle value of the included angle X is Y, and the Y satisfies the following relationship: 45°≤Y≤60°.

[0011] In some possible embodiments, a limiting assembly provided on the shaft body is further included, and the limiting assembly is used for limiting the cable bearing drum from moving along the height direction of the shaft body.

[0012] In some possible embodiments, the limiting assembly is arranged in a mounting hole below the cable supporting roller, and a limiting pin is arranged in the mounting hole.

[0013] In some possible embodiments, the support body comprises a first rod body, and a second rod body arranged on the first rod body, the shaft body is arranged between the first rod body and the second rod body, and a plurality of the shaft bodies are arranged along the length direction of the first rod body / second rod body.

[0014] Compared with the prior art, the present application has the following beneficial effects:

[0015] The present application provides a rollable self-locking cable trench support, which comprises a support body, a shaft body arranged on the support body, a plurality of cable supporting rollers arranged on the shaft body, and a self-locking mechanism arranged between the shaft body and the cable supporting rollers. By arranging the self-locking mechanism, when the cable is wound on the cable supporting roller, the cable supporting roller can only rotate around the shaft body in direction A and cannot rotate in the opposite direction of direction A, thereby improving the use efficiency of the cable support, avoiding messy stacking of the cable in the cable trench, improving the safety factor in the cable trench, reducing the probability of fire in the cable trench, and accurately controlling the length of the cable during actual laying of the cable, thereby effectively improving the use experience of the cable support. The present application has the advantages of simple structure, easy operation, low implementation cost, and easy popularization and implementation. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a structural schematic view of a rollable self-locking cable trench support of the present application;

[0017] Figure 2 is a top view of a rollable self-locking cable trench support of the present application;

[0018] Figure 3 is a sectional view of A-A in the present application; Figure 2

[0019] Figure 4 is a partial enlarged view of A in the present application; Figure 3

[0020] Figure 5 is a top view of a rollable self-locking cable trench support of the present application after the second rod body is removed;

[0021] Figure 6 is a partial enlarged view of B in the present application; Figure 5

[0022] Figure 7 is a structural schematic view of a locking piece of the present application. DETAILED DESCRIPTION

[0023] In combination with Figures 1-7 ​​​The content shown, further illustrate the technical solutions provided by the present application, in order to make the technical problems solved by the present application, the technical scheme and the technical effects achieved more clearly, the technical scheme of the embodiments of the present application is described in further detail below. Obviously, the described embodiments are only a part of the embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.

[0024] In the description of the present application, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrated; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, it can be the internal communication of two elements or the interaction relationship of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0025] In the present application, unless otherwise explicitly specified and limited, the first feature "on" or "under" the second feature can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0026] The present application provides a kind of rollable self-locking cable trench support, including support main body 1, shaft body 2 being arranged on the support main body 1, a plurality of rotating cable drum 3 being arranged on the shaft body 2, and self-locking mechanism 4 being arranged between the cable drum 3 and the shaft body 2, the cable drum 3 can be rotated relative to the shaft body 2 to direction A, the self-locking mechanism 4 is used to limit the cable drum 3 to the opposite direction of direction A rotation.

[0027] In actual implementation process, during cable laying process, cable is wound on cable drum with cable trench bottom, one end of cable is fixed on cable drum, operator pulls one end of cable to lay, during the process that operator pulls cable, sliding friction is generated between cable and cable drum, which drives cable drum to rotate relative to shaft body, by setting self-locking mechanism, cable drum can be limited to rotate only to direction A, so that operator can accurately control cable length, avoid cable drum rotating due to inertia during the process that operator pulls cable, reduce cable length control precision.

[0028] The application provides a rollable self-locking cable trench support, which comprises a support body, a shaft body arranged on the support body, a plurality of cable bearing drums arranged on the shaft body, and a self-locking mechanism arranged between the shaft body and the cable bearing drums. When the cable is wound on the cable bearing drum, the cable bearing drum can only rotate around the shaft body in direction A and cannot rotate in the opposite direction of direction A, thereby improving the use efficiency of the cable support, avoiding messy stacking of the cable in the cable trench, improving the safety factor in the cable trench, reducing the probability of fire in the cable trench, and accurately controlling the cable length during actual cable laying, thereby effectively improving the use experience of the cable support, and having the advantages of simple structure, easy operation, low implementation cost, and easy popularization and implementation.

[0029] In the implementation process of the embodiment, the self-locking mechanism 4 comprises a locking groove 40 arranged on one end of the cable bearing drum 3, a tooth portion 41 arranged on the inner wall of the locking groove 40, and a self-locking assembly 5 rotatably arranged on the shaft body 2. The self-locking assembly 5 is arranged in the locking groove 40. When the cable bearing drum 3 rotates around the shaft body 2 in direction A, the self-locking assembly 5 moves away from the tooth portion 41, so that the cable bearing drum 3 rotates in direction A. When the cable bearing drum 3 rotates around the shaft body 2 in the opposite direction of direction A, the self-locking assembly 5 moves towards the tooth portion 41, so that the tooth portion 41 abuts against the self-locking assembly 5, thereby limiting the rotation of the cable bearing drum 3 in the opposite direction of direction A relative to the shaft body 2.

[0030] In the implementation process of the embodiment, the self-locking assembly 5 comprises a connecting block 50 rotatably arranged on the shaft body 2, a connecting groove 51 arranged on one end of the connecting block 50 close to the tooth portion 41, a locking piece 52 arranged in the connecting groove 51, and an elastic piece 53 arranged between the connecting groove 51 and the locking piece 52. When the cable bearing drum 3 rotates around the shaft body 2 in direction A, the tooth portion 41 abuts against one side of the locking piece 52 and drives the locking piece 52 to move away from the tooth portion 41. When the cable bearing drum 3 rotates around the shaft body 2 in the opposite direction of direction A, the tooth portion 41 abuts against the other side of the locking piece 52, thereby limiting the rotation of the cable bearing drum 3 in the opposite direction of direction A around the shaft body 2.

[0031] In the embodiment, the locking member 52 comprises a vertical portion 520 and an inclined portion 521, and an included angle X is defined between the vertical portion 520 and the inclined portion 521. When the cable drum 3 rotates around the shaft body 2 in the direction A, the tooth portion 41 abuts against the inclined portion 521 and drives the locking member 52 to move away from the tooth portion 41. When the cable drum 3 rotates around the shaft body 2 in the direction opposite to the direction A, the tooth portion 41 abuts against the vertical portion 520 of the locking member 52, thereby limiting the rotation of the cable drum 3 around the shaft body 2 in the direction opposite to the direction A.

[0032] In the embodiment, the included angle X is defined as an angle Y, and the Y satisfies the following relationship: 45°≤Y≤60°.

[0033] In the actual implementation, Y=45°.

[0034] In the embodiment, the support body 1 further comprises a limiting assembly 6 arranged on the shaft body 2, and the limiting assembly 6 is configured to limit the movement of the cable drum 3 along the height direction of the shaft body 2.

[0035] In the embodiment, the limiting assembly 6 is arranged in a mounting hole 60 below the cable drum 3, and a limiting pin 61 is arranged in the mounting hole 60.

[0036] In the actual implementation, the mounting hole is a threaded hole, the limiting pin is provided with a thread matched with the mounting hole, and the limiting pin is detachably connected with the mounting hole.

[0037] In the embodiment, the support body 1 comprises a first rod body 10 and a second rod body 11 arranged on the first rod body 10, and the shaft body 2 is arranged between the first rod body 10 and the second rod body 11. A plurality of shaft bodies 2 are arranged along the length direction of the first rod body 10 / second rod body 11.

[0038] In the actual implementation, the first rod body and the second rod body are both steel square tubes.

[0039] The application provides a kind of rollable self-locking cable trench support, it includes support body, shaft body arranged on support body, several cable bearing drums arranged on shaft body, and self-locking mechanism arranged between shaft body and cable bearing drum, by setting self-locking mechanism, when cable is wound on cable bearing drum, cable bearing drum can only rotate around shaft body in direction A, cannot rotate in the opposite direction of direction A, improve the use efficiency of cable support, avoid cable in cable trench messy stacking, improve the safety factor in cable trench, reduce the probability of fire in cable trench, cable actual laying process, operator can accurately control cable length, effectively improve the use experience of cable support, with simple structure, easy to operate, low implementation cost, easy to implement the advantages of promoting.

[0040] The above is an embodiment of the present application and does not limit the present application. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A rollable self-locking cable tray, characterized in that, The application relates to a cable supporting device, which comprises a supporting body (1), an axle body (2) arranged on the supporting body (1), a plurality of cable supporting rollers (3) rotatably arranged on the axle body (2), and a self-locking mechanism (4) arranged between the cable supporting rollers (3) and the axle body (2), wherein the cable supporting rollers (3) can rotate relative to the axle body (2) in direction A, and the self-locking mechanism (4) is used for limiting the rotation of the cable supporting rollers (3) in the opposite direction of direction A.

2. A self-locking cable tray according to claim 1, wherein, The self-locking mechanism (4) comprises a locking groove (40) arranged on one end of the cable supporting roller (3), a tooth portion (41) arranged on the inner wall of the locking groove (40), and a self-locking assembly (5) rotatably arranged on the axle body (2), wherein the self-locking assembly (5) is matched with the locking groove (40), when the cable supporting roller (3) rotates around the axle body (2) in direction A, the self-locking assembly (5) moves away from the tooth portion (41) to enable the cable supporting roller (3) to rotate in direction A, and when the cable supporting roller (3) rotates around the axle body (2) in the opposite direction of direction A, the self-locking assembly (5) moves towards the tooth portion (41) to enable the tooth portion (41) to abut against the self-locking assembly (5), thereby limiting the rotation of the cable supporting roller (3) relative to the axle body (2) in the opposite direction of direction A.

3. A self-locking cable tray according to claim 2, wherein, The self-locking assembly (5) comprises a connecting block (50) rotatably arranged on the axle body (2), a connecting groove (51) arranged on one end of the connecting block (50) close to the tooth portion (41), a locking piece (52) matched with the connecting groove (51), and an elastic piece (53) arranged between the connecting groove (51) and the locking piece (52), wherein when the cable supporting roller (3) rotates around the axle body (2) in direction A, the tooth portion (41) abuts against one side of the locking piece (52) to drive the locking piece (52) to move away from the tooth portion (41), and when the cable supporting roller (3) rotates around the axle body (2) in the opposite direction of direction A, the tooth portion (41) abuts against the other side of the locking piece (52), thereby limiting the rotation of the cable supporting roller (3) around the axle body (2) in the opposite direction of direction A.

4. A self-locking cable tray according to claim 3, wherein, The locking piece (52) comprises a vertical portion (520) and an inclined portion (521), and an included angle X is arranged between the vertical portion (520) and the inclined portion (521), wherein when the cable supporting roller (3) rotates around the axle body (2) in direction A, the tooth portion (41) abuts against the inclined portion (521) to drive the locking piece (52) to move away from the tooth portion (41), and when the cable supporting roller (3) rotates around the axle body (2) in the opposite direction of direction A, the tooth portion (41) abuts against the vertical portion (520) of the locking piece (52), thereby limiting the rotation of the cable supporting roller (3) around the axle body (2) in the opposite direction of direction A.

5. A self-locking cable tray according to claim 4, wherein, The angle value Y of the included angle X is defined as 45 DEG <= Y <= 60 DEG.

6. A self-locking cable tray according to claim 1, wherein, Further comprising a limiting assembly (6) arranged on the shaft body (2), which is used to limit the movement of the cable drum (3) along the height direction of the shaft body (2).

7. A self-locking cable tray according to claim 6, wherein, The limiting assembly (6) is arranged in a mounting hole (60) below the cable drum (3), and a limiting pin (61) is arranged in the mounting hole (60).

8. A self-locking cable tray according to claim 1, wherein, The support body (1) comprises a first rod body (10) and a second rod body (11) arranged on the first rod body (10), the shaft body (2) is arranged between the first rod body (10) and the second rod body (11), and a plurality of shaft bodies (2) are arranged along the length direction of the first rod body (10) / the second rod body (11).

Images