CN220190358U

CN220190358U - Cable threading supporting device for tunnel

Info

Publication number: CN220190358U
Application number: CN202320974521.1U
Authority: CN
Inventors: 刘磊; 杨兵; 陈文辉; 孟景学; 刘勇; 李德平; 邹高明; 周禹熹
Original assignee: Shenzhen Investigation and Research Institute Co ltd
Current assignee: Shenzhen Investigation and Research Institute Co ltd
Priority date: 2023-04-23
Filing date: 2023-04-23
Publication date: 2023-12-15
Anticipated expiration: 2033-04-23

Abstract

The utility model provides a cable threading supporting device for a tunnel, which comprises a fixed rod and a supporting unit. The dead lever can be along vertical direction setting on the lateral wall in tunnel. The supporting units are arranged in a plurality, and each supporting unit is arranged at intervals along the vertical direction. Each supporting unit comprises a cantilever rod, a connecting piece, a holding and clamping structure and an adjusting structure. One end of the cantilever rod is detachably connected with the fixed rod through a connecting piece, and the other end horizontally extends out. The clamp structure is provided with at least two clamp structures, each clamp structure is arranged on the cantilever rod along the extending direction of the cantilever rod at intervals, and each clamp structure is provided with a clamp space which can be penetrated by a cable and can be opened and closed. The adjusting structures are at least provided with two, each adjusting structure is arranged in one-to-one correspondence with each holding and clamping structure, and each adjusting structure can control the opening and closing of the corresponding holding and clamping space. The cable threading supporting device for the tunnel can reduce the workload of workers, saves time and labor and has strong practicability.

Description

Cable threading supporting device for tunnel

Technical Field

The utility model belongs to the technical field of overhead lines, and particularly relates to a cable threading supporting device for a tunnel.

Background

Tunnels are engineering structures buried in an underground formation, a form of human use of underground space. Because ventilation and lighting devices are more needed in the tunnel, cables are needed to be installed in the tunnel, and cable brackets are usually needed for installing and erecting the cables.

In the prior art, the cable support is a cantilever structure fixed on the side wall of a tunnel, and the cantilever structure is provided with a hoop, so that a cable passing through the cantilever structure is clamped by the hoop. Because cantilever structure is usually fixed on the lateral wall in tunnel directly, but cantilever structure often is more than one, needs to punch, consequently the installation is wasted time and energy, moreover needs accurate measurement in advance and selects the mounted point position, and the practicality is relatively poor. The anchor ear can involve bolted connection, establishes the cable cover with fixed semi-ring at mobilizable semi-ring and closes the back, still need install two bolts, locks two semi-rings, wastes time and energy, and the practicality is relatively poor.

Disclosure of Invention

The embodiment of the utility model provides a cable threading supporting device for a tunnel, which aims to solve the problem of poor practicability of the traditional cable support.

In order to achieve the above purpose, the utility model adopts the following technical scheme: provided is a cable threading support device for a tunnel, comprising:

the fixed rod is fixedly arranged on the side wall of the tunnel along the vertical direction; and

the support units are arranged in a plurality, and each support unit is arranged at intervals along the vertical direction; each supporting unit comprises a cantilever rod, a connecting piece, a holding and clamping structure and an adjusting structure; one end of the cantilever rod is detachably connected with the fixed rod through the connecting piece, and the other end of the cantilever rod horizontally extends out; the clamping structures are at least two, each clamping structure is arranged on the cantilever rod at intervals along the extending direction of the cantilever rod, and each clamping structure is provided with a clamping space which is used for a cable to pass through and can be opened and closed; the adjusting structures are at least provided with two, each adjusting structure is arranged in one-to-one correspondence with each holding and clamping structure, each adjusting structure is connected with the cantilever rod and connected with the corresponding holding and clamping structure and used for controlling the opening and closing of the corresponding holding and clamping space.

In one possible implementation, each of the clasping structures includes a first half-ring and a second half-ring; the first half ring is provided with a first half ring first end and a first half ring second end, and the first half ring first end is rotationally connected with the cantilever rod; the second semi-ring is provided with a first semi-ring end and a second semi-ring second end, the first semi-ring end is hinged with the first semi-ring end, and the second semi-ring is enclosed with the first semi-ring to form the clamping space;

the adjusting structure is respectively connected with the first semi-ring and the second semi-ring and is used for driving the first semi-ring and the second semi-ring to turn over simultaneously so that the second ends of the first semi-ring and the second semi-ring are in butt joint.

In one possible implementation manner, the second end of the first half ring is provided with a notch, the second end of the second half ring is provided with an extending end adapted to the notch, and the extending end is used for extending into the notch so as to reduce the holding space.

In one possible implementation, each of the adjustment structures includes a push rod, a connecting rod, and an adjustment bolt; the push rod is arranged below the first semi-ring and the second semi-ring, and is provided with two first hinge ends; the two connecting rods are respectively in one-to-one correspondence with the two first hinging ends, one end of each connecting rod is hinged with the corresponding first hinging end, and the other end of each connecting rod is hinged with the first half ring or the second half ring; the adjusting bolt is arranged along the vertical direction and is in threaded connection with the cantilever rod, and one end of the adjusting bolt is rotationally connected with the push rod and is used for driving the push rod to move up and down;

the first semi-ring and the second semi-ring are respectively provided with a second hinge end for hinging the other end of each connecting rod.

In one possible implementation, each of the links is an arcuate profile.

In one possible implementation, the cantilever bar has an open receiving cavity thereon; the first semi-ring and the second semi-ring are both rotationally connected with the side wall of the open accommodating cavity, and the bottom of the adjusting bolt and the open accommodating cavity is provided with a threaded hole for the threaded connection of the adjusting bolt.

In one possible implementation, the connection is a locking bolt;

one end of the cantilever rod is provided with a first through hole for the locking bolt to pass through, and the fixed rod is provided with a second through hole corresponding to the first through hole.

In one possible implementation manner, the fixing rod is provided with two vertical plates, the two vertical plates are arranged at intervals, and a limit groove for inserting one end of the cantilever rod is formed between the two vertical plates;

the second through holes are formed in a plurality of positions, are arranged at intervals along the vertical direction, and are all arranged on the vertical plates.

In this implementation mode, the dead lever can set firmly on the lateral wall of tunnel, and a plurality of supporting elements can realize the support to a plurality of cables. The cantilever rod in each supporting unit is connected with the fixed rod through the connecting piece, so that multiple punching on the side wall of the tunnel can be avoided, and the workload can be reduced to a certain extent. The clamp structure is regulated and controlled through the regulating structure, the clamp space can be conveniently opened and closed, the workload of workers can be effectively reduced, time and labor are saved, and the practicability is high.

Drawings

Fig. 1 is a schematic structural view of a cable threading support device for a tunnel according to an embodiment of the present utility model;

fig. 2 is a schematic front view of a cable threading support device for a tunnel according to an embodiment of the present utility model;

fig. 3 is a schematic diagram of a front view structure of a supporting unit (a cantilever rod is partially cut away) of a cable threading supporting device for a tunnel according to an embodiment of the present utility model;

reference numerals illustrate:

10. a fixed rod; 11. a vertical plate; 20. a supporting unit; 21. a cantilever bar; 22. a connecting piece; 23. a clamping structure; 231. a first half ring; 2311. a notch; 232. a second half ring; 2321. an extension end; 24. an adjustment structure; 241. a push rod; 242. a connecting rod; 243. and (5) adjusting a bolt.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1 to 3, a description will be given of the cable threading support device for tunnel according to the present utility model. The cable threading support device for the tunnel comprises a fixed rod 10 and a support unit 20. The fixing rod 10 can be fixedly provided on the side wall of the tunnel in the vertical direction. The support units 20 are provided in plurality, and each support unit 20 is disposed at intervals along the vertical direction. Each support unit 20 comprises a cantilever bar 21, a connector 22, a clasping structure 23 and an adjustment structure 24. One end of the cantilever bar 21 is detachably connected with the fixed bar 10 through a connecting piece 22, and the other end horizontally extends. The holding and clamping structures 23 are at least two, each holding and clamping structure 23 is arranged on the cantilever rod 21 at intervals along the extending direction of the cantilever rod 21, and each holding and clamping structure 23 is provided with a holding and clamping space which can be penetrated by a power cable and can be opened and closed. The adjusting structures 24 are at least two, each adjusting structure 24 is arranged in one-to-one correspondence with each holding and clamping structure 23, each adjusting structure 24 is connected with the cantilever rod 21 and connected with the corresponding holding and clamping structure 23, and the opening and closing of the corresponding holding and clamping space can be controlled.

Compared with the prior art, the cable threading supporting device for the tunnel provided by the embodiment can be used for fixing the fixing rod 10 on the side wall of the tunnel, and the plurality of supporting units 20 can be used for supporting a plurality of cables. The cantilever bar 21 in each supporting unit 20 is connected with the fixing bar 10 through the connecting piece 22, so that multiple punching on the side wall of the tunnel can be avoided, and the workload can be reduced to a certain extent. The clamping structure 23 is regulated and controlled through the regulating structure 24, so that the clamping space can be conveniently opened and closed, the workload of workers can be effectively reduced, time and labor are saved, and the practicability is high.

In some embodiments, the holding structure 23 may be configured as shown in fig. 1 to 3. Referring to fig. 1-3, each clasping structure 23 includes a first half 231 and a second half 232. The first half ring 231 has a first end of the first half ring 231 and a second end of the first half ring 231, and the first end of the first half ring 231 is rotatably connected to the cantilever beam 21. The second half ring 232 has a first end of the second half ring 232 and a second end of the second half ring 232, the first end of the second half ring 232 is hinged to the first end of the first half ring 231, and the second half ring 232 and the first half ring 231 enclose to form a clamping space.

The adjusting structure 24 is connected to the first half ring 231 and the second half ring 232, and can drive the first half ring 231 and the second half ring 232 to turn over simultaneously, so that the second ends of the first half ring 231 and the second half ring 232 are opposite.

The first end of the first half ring 231 and the first end of the second half ring 232 coaxially rotate, so that the first half ring 231 and the second half ring 232 can be guaranteed to synchronously turn over, and further the opening and closing of the clamping space are guaranteed. Through the setting of first semi-ring 231 and second semi-ring 232, can guarantee the pass of cable, can guarantee the cable by stable centre gripping simultaneously.

In this embodiment, elastic silica gel pads may be coated on the inner wall surfaces of the first half ring 231 and the second half ring 232.

In some embodiments, the holding structure 23 may be as shown in fig. 1. Referring to fig. 1, a notch 2311 is formed at a second end of the first half ring 231, an extending end 2321 adapted to the notch 2311 is formed at a second end of the second half ring 232, and the extending end 2321 can extend into the notch 2311 to reduce the holding space.

Because first semi-ring 231 and second semi-ring 232 are to the back, hold and press from both sides the space and be cylindrical chamber, when meet the diameter and be less than behind the cable of holding and press from both sides the space diameter, can't realize spacing to the cable, accessible opening 2311 and the setting of stretching out end 2321 will hold and press from both sides the space and reduce this moment to adapt to the cable of minor diameter, strong adaptability.

In some embodiments, the adjustment structure 24 may be as shown in FIG. 3. Referring to fig. 3, each adjustment structure 24 includes a push rod 241, a link 242, and an adjustment bolt 243. The push rod 241 is disposed below the first half ring 231 and the second half ring 232, and the push rod 241 has two first hinge ends. The two connecting rods 242 are arranged, the two connecting rods 242 are respectively in one-to-one correspondence with the two first hinging ends, one end of each connecting rod 242 is hinged with the corresponding first hinging end, and the other end is hinged with the first half ring 231 or the second half ring 232. The adjusting bolt 243 is arranged along the vertical direction and is in threaded connection with the cantilever rod 21, one end of the adjusting bolt 243 is rotationally connected with the push rod 241, and the push rod 241 can be driven to move up and down.

The first half ring 231 and the second half ring 232 are respectively provided with a second hinge end for hinging the other end of each connecting rod 242.

Through the rotation of adjusting bolt 243, drive push rod 241 goes up and down, and then drive first semi-ring 231 and second semi-ring 232 upset respectively through two connecting rods 242 and involute, can reduce the work load of overhead line work, only need rotate adjusting bolt 243 can, can guarantee the convenience of cable overhead line.

In some embodiments, the connecting rod 242 may be configured as shown in fig. 3. Referring to fig. 3, each of the connecting rods 242 has an arc-shaped configuration, which prevents the connecting rods 242 from interfering with the first half ring 231 or the second half ring 232, thereby ensuring stable operation of the first half ring 231 and the second half ring 232.

In some embodiments, the cantilever bar 21 may have a structure as shown in fig. 2 to 3. Referring to fig. 2 to 3, the cantilever bar 21 has an open receiving cavity therein. The first half ring 231 and the second half ring 232 are both rotatably connected with the side wall of the open accommodating cavity, and the bottom of the adjusting bolt 243 and the bottom of the open accommodating cavity are provided with threaded holes for the adjusting bolt 243 to be in threaded connection.

Such a configuration of cantilever beam 21 can facilitate the installation of adjustment structure 24 and clasping structure 23.

In this embodiment, the cantilever beam 21 may be a channel beam.

In some embodiments, the connector 22 may be configured as shown in fig. 1. Referring to fig. 1, the connector 22 is a locking bolt. One end of the cantilever bar 21 is provided with a first through hole through which the locking bolt passes, and the fixing bar 10 is provided with a second through hole corresponding to the first through hole. The setting of locking bolt can guarantee behind dead lever 10 installs on the lateral wall in tunnel, and follow-up installation can guarantee moreover to the dismouting replacement of cantilever bar 21, and the practicality is strong.

In order to improve the connection strength, a plurality of locking bolts may be provided, see fig. 1.

In some embodiments, the fixing rod 10 may have a structure as shown in fig. 1. Referring to fig. 1, the fixing rod 10 is provided with two vertical plates 11, the two vertical plates 11 are spaced apart, and a limiting groove into which one end of the cantilever rod 21 is inserted is formed between the two vertical plates 11. Wherein, the second through holes are provided in plurality, each second through hole is arranged along the vertical direction at intervals, and all the second through holes are arranged on each vertical plate 11. The setting of a plurality of second through-holes can be adjusted the height of cantilever bar 21 at random, and then need not accurate fixed point position of arranging in advance, can reduce work load to a certain extent, can guarantee the adaptability of overhead line work simultaneously, and the practicality is strong.

The fixing rod 10 can be a channel steel and is fixedly connected with the side wall of the tunnel through an expansion bolt.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. Cable threading strutting arrangement for tunnel, its characterized in that includes:

2. The cable threading support device for tunnels of claim 1, wherein each of the clasping structures comprises a first half-ring and a second half-ring; the first half ring is provided with a first half ring first end and a first half ring second end, and the first half ring first end is rotationally connected with the cantilever rod; the second semi-ring is provided with a first semi-ring end and a second semi-ring second end, the first semi-ring end is hinged with the first semi-ring end, and the second semi-ring is enclosed with the first semi-ring to form the clamping space;

3. The cable threading support device for tunnels according to claim 2, wherein the second end of the first half ring is provided with a notch, the second end of the second half ring is provided with an extending end adapted to the notch, and the extending end is used for extending into the notch so as to reduce the holding space.

4. The cable threading support device for tunnels as claimed in claim 2, wherein each of the adjusting structures includes a push rod, a link rod and an adjusting bolt; the push rod is arranged below the first semi-ring and the second semi-ring, and is provided with two first hinge ends; the two connecting rods are respectively in one-to-one correspondence with the two first hinging ends, one end of each connecting rod is hinged with the corresponding first hinging end, and the other end of each connecting rod is hinged with the first half ring or the second half ring; the adjusting bolt is arranged along the vertical direction and is in threaded connection with the cantilever rod, and one end of the adjusting bolt is rotationally connected with the push rod and is used for driving the push rod to move up and down;

5. The cable threading support device for tunnels as claimed in claim 4, wherein each of the links has an arc-shaped profile structure.

6. The cable threading support device for tunnels as claimed in claim 4, wherein the cantilever bar is provided with an open accommodating cavity; the first semi-ring and the second semi-ring are both rotationally connected with the side wall of the open accommodating cavity, and the bottom of the adjusting bolt and the open accommodating cavity is provided with a threaded hole for the threaded connection of the adjusting bolt.

7. The cable threading support device for tunnels as claimed in claim 1, wherein the connector is a locking bolt;

8. The cable threading support device for tunnel according to claim 7, wherein the fixing rod is provided with two vertical plates, the two vertical plates are arranged at intervals, and a limit groove for inserting one end of the cantilever rod is formed between the two vertical plates;