CN214798810U

CN214798810U - Cable support

Info

Publication number: CN214798810U
Application number: CN202121302420.7U
Authority: CN
Inventors: 虞坚军; 郑飞勇; 卢永帮
Original assignee: Ningbo Xinhuayuan Power Technology Co ltd
Current assignee: Ningbo Xinhuayuan Power Technology Co ltd
Priority date: 2021-06-10
Filing date: 2021-06-10
Publication date: 2021-11-19
Anticipated expiration: 2031-06-10

Abstract

The utility model provides a cable support with following structure: including the arc support body and at least one first trailing arm of connecting on the arc support body, the both ends of arc support body all are connected with the tight mechanism in top, the tight mechanism in top is used for lifting the arc support body to force the outer terminal surface and the tunnel inner wall laminating of arc support body. The arc-shaped frame body is lifted through the jacking mechanism, and the outer end face of the arc-shaped frame body is forced to be attached to the inner wall of the tunnel, so that the attaching rate (the attaching rate to the inner wall of the tunnel) of the arc-shaped frame body meets the requirement, partial force borne by the first supporting arm can be dissolved by the inner wall of the tunnel through the arc-shaped frame body, and the bearing capacity of the supporting arm is improved; the device simple structure, erect convenient and bearing capacity better, arc support body and tunnel inner wall laminating in addition can utilize the tunnel space to the at utmost.

Description

Cable support

Technical Field

The utility model relates to the technical field of supports, what specifically say is a cable support.

Background

Cables need to be supported by a bracket when being erected at a long distance, so that the cable bracket is widely applied to the erection and arrangement process of the cables. The existing cable support consists of a support and a supporting arm, wherein the support is generally vertical or rectangular, and in some special environments such as tunnels, the support has poor bearing capacity and is difficult to bear more cables, so that the cable tunnel has to be enlarged, and the erection cost of the cables is increased.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: overcome above prior art's defect, provide a simple structure, erect convenient and better cable support of bearing capacity.

The technical solution of the utility model is that, a cable support with following structure is provided: including the arc support body and at least one first trailing arm of connecting on the arc support body, the both ends of arc support body all are connected with the tight mechanism in top, the tight mechanism in top is used for lifting the arc support body to force the outer terminal surface and the tunnel inner wall laminating of arc support body.

After the structure more than adopting, the utility model relates to a cable support compares with prior art, has following advantage:

the arc-shaped frame body is lifted through the jacking mechanism, and the outer end face of the arc-shaped frame body is forced to be attached to the inner wall of the tunnel, so that the attaching rate (the attaching rate to the inner wall of the tunnel) of the arc-shaped frame body meets the requirement, partial force borne by the first support arm can be dissolved by the inner wall of the tunnel through the arc-shaped frame body, and the bearing capacity of the first support arm is improved; the device simple structure, erect convenient and bearing capacity better, arc support body and tunnel inner wall laminating in addition can utilize the tunnel space to the at utmost.

Preferably, the jacking mechanism comprises a base, an expansion bolt and a connecting piece; the base is arranged on the ground of the tunnel, and the expansion bolt is vertically arranged on the base and is rotationally connected with the base; the upper end of the connecting piece is connected with the arc-shaped frame body, and the lower end of the connecting piece is provided with a screw hole and is in threaded connection with the expansion bolt. The arc-shaped support body can be lifted through rotating the expansion bolt, and the operation is simple and convenient.

Preferably, a clamping surface is arranged at a position, close to the base, of the lower end of the expansion bolt, and is used for facilitating clamping of the expansion bolt by a clamp.

Preferably, a locking nut is screwed on the expansion bolt. And when the tightly-jacking mechanism lifts the arc-shaped frame body and the outer end face of the arc-shaped frame body is attached to the inner wall of the tunnel, the locking nut is screwed and the upper end face of the locking nut is abutted against the lower end of the connecting piece, so that the tightly-jacking mechanism is prevented from being loosened.

Preferably, the arc-shaped frame body comprises a middle part and two end parts, and the two end parts are respectively connected to two ends of the middle part. The arc-shaped frame body is split into three sections, so that the installation of workers in the tunnel can be facilitated.

Preferably, the tunnel support further comprises a vertical support, the top of the vertical support is connected with the middle part of the arc-shaped support body, and the bottom of the vertical support is abutted to the ground of the tunnel. The vertical support can play a certain supporting role, and the stability of the arc-shaped support body is better improved.

Preferably, the vertical support is connected with a plurality of second support arms, and the second support arms on the vertical support are symmetrically arranged on two side walls of the vertical support. Therefore, the vertical support can be better utilized, and the utilization rate of the vertical support is improved; the second support arms are symmetrically arranged on two side walls of the vertical support, so that the two side walls of the vertical support are stressed in a balanced manner.

Preferably, the tops of the first supporting arm and the second supporting arm are respectively provided with a clamping groove extending along the length direction of the first supporting arm or the second supporting arm, and the clamping grooves penetrate through the free ends of the first supporting arm or the second supporting arm. The clamping groove can facilitate the clamping connection of the cable clamp, so that the erection of the cable is more convenient.

Preferably, the thickness of the first bracket arm is gradually reduced from the end connected with the arc-shaped frame body to the free end of the first bracket arm.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the tightening mechanism of the present invention.

Fig. 3 is an enlarged view of a portion a of fig. 1.

Reference numerals:

1. the device comprises an arc-shaped frame body, 2, a first supporting arm, 3, a jacking mechanism, 4, a base, 5, an expansion bolt, 6, a connecting piece, 7, a clamping surface, 8, a locking nut, 9, a middle part, 10, an end part, 11, a vertical support, 12, a second supporting arm, 13, a clamping groove, 14 and a connecting piece.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Meanwhile, the terms "first", "second", and the like are only used for distinguishing the names of the components, and have no primary and secondary relationship, so that the present invention is not limited.

As shown in fig. 1, fig. 2 and fig. 3, the utility model discloses a cable support with following structure: the device comprises an arc-shaped frame body 1 and at least one first supporting arm 2 connected to the inner end face of the arc-shaped frame body 1, wherein the first supporting arm 2 extends along the horizontal direction; the two ends of the arc-shaped frame body 1 are connected with the jacking mechanisms 3, the jacking mechanisms 3 are used for lifting the arc-shaped frame body 1, and the outer end faces of the arc-shaped frame body 1 are forced to be attached to the inner wall of the tunnel.

The arc-shaped frame body 1 is lifted through the jacking mechanism 3, and the outer end face of the arc-shaped frame body 1 is forced to be attached to the inner wall of the tunnel, so that the attaching rate (the attaching rate to the inner wall of the tunnel) of the arc-shaped frame body 1 meets the requirement, partial force borne by the first support arm 2 can be dissolved by the inner wall of the tunnel through the arc-shaped frame body 1, and the bearing capacity of the first support arm 2 is improved; the device simple structure, erect convenient and bearing capacity better, arc support body 1 and tunnel inner wall laminating in addition can utilize the tunnel space to the at utmost.

The jacking mechanism 3 comprises a base 4, an expansion bolt 5 and a connecting piece 6; the base 4 is connected to the tunnel ground through an expansion bolt, and an expansion bolt 5 is vertically arranged on the base 4 and is rotationally connected with the base 4; the upper end of the connecting piece 6 is connected with the arc frame body 1, and the lower end of the connecting piece 6 is provided with a screw hole and is in threaded connection with the expansion bolt 5; the lower end of the expansion bolt 5 is provided with a clamping surface 7 at a position close to the base 4, so that a clamp can clamp the expansion bolt 5 conveniently. The arc-shaped frame body 1 can be lifted by rotating the expansion bolts 5, and the operation is simple and convenient. The last threaded connection of tight bolt 5 that expands has lock nut 8, treats 3 lifting arc support bodies 1 of tight mechanism in top to when making the outer terminal surface of arc support body 1 and tunnel inner wall laminating, revolve wrong lock nut 8 and make lock nut 8's up end and the lower extreme of connecting piece 6 offset, avoid tight mechanism 3 in this top to appear not hard up.

The jacking mechanism 3 can also be a hydraulic jack or a manual jack, and the top of the jack is connected with the two ends of the arc-shaped frame body 1 and used for lifting the arc-shaped frame body 1.

The arc-shaped frame body 1 comprises a middle part 9 and two end parts 10, wherein the two end parts 10 are connected to two ends of the middle part 9 through connecting pieces 14 and screws. The arc-shaped frame body 1 is disassembled into three sections, so that the installation of workers in the tunnel can be more convenient. The device also comprises a vertical support 11, the top of the vertical support 11 is connected to the middle position of the middle part 9 of the arc-shaped frame body 1, and the bottom of the vertical support 11 is connected with the ground of the tunnel through an expansion bolt. The vertical support 11 can play a certain supporting role, so that the stability of the arc-shaped frame body 1 is better improved. The vertical support 11 is connected with a plurality of second support arms 12, and the second support arms 12 on the vertical support 11 are symmetrically arranged on two side walls of the vertical support 11, so that the vertical support 11 can be better utilized, and the utilization rate of the vertical support 11 is improved; the second bracket arms 12 are symmetrically arranged on two side walls of the vertical bracket 11, so that the two side walls of the vertical bracket 11 are stressed in a balanced manner.

The top of the first supporting arm 2 is provided with a clamping groove 13 extending along the length direction of the first supporting arm 2, and the clamping groove 13 on the first supporting arm 2 penetrates through the free end of the first supporting arm 2; the top of the second bracket arm 12 is provided with a clamping groove 13 extending along the length direction of the second bracket arm 12, and the clamping groove 13 on the second bracket arm 12 penetrates through the free end of the second bracket arm 12; the clamping groove 13 can facilitate clamping of the cable clamp, so that the cable is more convenient to erect. The thickness of the first bracket arm 2 is gradually reduced from one end connected with the arc-shaped frame body 1 to the free end of the first bracket arm 2; the thickness dimension of the second bracket arm 12 gradually decreases from the end connected with the vertical bracket 11 to the direction of the free end of the second bracket arm 12.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are all covered by the protection scope of the present invention, therefore, the protection scope of the present invention should be subject to the protection scope of the claims.

Claims

1. A cable holder, characterized in that: the tunnel supporting frame comprises an arc-shaped frame body (1) and at least one first supporting arm (2) connected to the arc-shaped frame body (1), wherein two ends of the arc-shaped frame body (1) are connected with a jacking mechanism (3), the jacking mechanism (3) is used for lifting the arc-shaped frame body (1), and the outer end face of the arc-shaped frame body (1) is forced to be attached to the inner wall of the tunnel.

2. A cable support according to claim 1, wherein: the jacking mechanism (3) comprises a base (4), an expansion bolt (5) and a connecting piece (6); the base (4) is arranged on the ground of the tunnel, and the expansion bolt (5) is vertically arranged on the base (4) and is rotationally connected with the base (4); the upper end of the connecting piece (6) is connected with the arc-shaped frame body (1), and the lower end of the connecting piece (6) is provided with a screw hole and is in threaded connection with the expansion bolt (5).

3. A cable support according to claim 2, wherein: and a clamping surface (7) is arranged at the position, close to the base (4), of the lower end of the expansion bolt (5) and used for facilitating a clamp to clamp the expansion bolt (5).

4. A cable support according to claim 2, wherein: and a locking nut (8) is connected to the expansion bolt (5) through threads.

5. A cable support according to claim 1, wherein: the arc-shaped frame body (1) comprises a middle part (9) and two end parts (10), wherein the two end parts (10) are respectively connected to two ends of the middle part (9).

6. A cable holder according to claim 5, wherein: the tunnel support is characterized by further comprising a vertical support (11), the top of the vertical support (11) is connected with the middle portion (9) of the arc-shaped support body (1), and the bottom of the vertical support (11) is abutted to the ground of the tunnel.

7. A cable holder according to claim 6, wherein: the vertical support (11) is connected with a plurality of second support arms (12), and the second support arms (12) on the vertical support (11) are symmetrically arranged on two side walls of the vertical support (11).

8. A cable support according to claim 7, wherein: the top of the first supporting arm (2) and the top of the second supporting arm (12) are both provided with a clamping groove (13) extending along the length direction of the first supporting arm (2) or the second supporting arm (12), and the clamping groove (13) penetrates through the free end of the first supporting arm (2) or the second supporting arm (12).

9. A cable support according to claim 1, wherein: the thickness dimension of the first support arm (2) is gradually reduced from one end connected with the arc-shaped support body (1) to the direction of the free end of the first support arm (2).