CN113241691B

CN113241691B - Cable support

Info

Publication number: CN113241691B
Application number: CN202110606773.4A
Authority: CN
Inventors: 张�浩; 陈凯
Original assignee: Nanjing Acura Machinery Manufacturing Co ltd
Current assignee: Nanjing Acura Machinery Manufacturing Co ltd
Priority date: 2021-06-01
Filing date: 2021-06-01
Publication date: 2022-05-24
Anticipated expiration: 2041-06-01
Also published as: CN113241691A

Abstract

The invention belongs to the technical field of cables, and particularly relates to a cable support which comprises a frame, wherein cover plates are fixedly connected to the upper side and the lower side of the frame, side plates are arranged on the front side and the rear side of the frame, and openings are formed in the left side and the right side of the frame; end brackets are fixedly connected to the openings close to the left side and the right side in the frame, and a plurality of middle brackets are arranged in the frame between the end brackets at the two sides; the side plate is provided with a vent hole, the side plate is provided with a temperature sensing shielding assembly, and the temperature sensing shielding assembly is used for sealing the vent hole when a fire breaks out. The lower end of the side plate is connected with the frame through a hinge, and the upper end of the side plate is provided with a spring bolt. According to the invention, the temperature sensing shielding assembly is arranged, so that the vent hole can be automatically shielded when a fire breaks out; the vent holes can be manually controlled to be shielded, so that the cost is low and the air conditioner can be recycled; by arranging the clamping assembly, cables with different diameters can be flexibly clamped separately, and the cables are prevented from being wound and bonded; can be according to cable quantity and weight install the well support of different quantity, different interval between two end supports, conveniently support the cable.

Description

Cable support

Technical Field

The invention belongs to the technical field of cables, and particularly relates to a cable support.

Background

The cable support is a device for fixing cables, can be independently erected, and can also be attached to various buildings and pipe rack supports, and has the characteristics of simple structure, attractive appearance, flexible configuration, convenient maintenance and the like.

The publication number CN111130033B discloses a fire-resistant cable bridge, which comprises a bridge main body, a plurality of heat dissipation holes are arranged on the side wall of the bridge main body, a fire-resistant layer is fixedly attached to the inner wall of the bridge main body for fire resistance and heat insulation, a fire-resistant sliding plate is arranged, the bottom end of the fire-resistant sliding plate is clamped in a sliding groove, a fire-resistant mechanism is arranged, the fire-resistant mechanism comprises a fixed wheel, a temperature-sensitive cavity and a push rod, the temperature-sensitive cavity is fixed on the bottom wall of the outer side of the bridge main body, a temperature-sensitive expansion piece is arranged in the temperature-sensitive cavity, the push rod can be pushed through the thermal expansion of the temperature-sensitive expansion piece, so that the fixed wheel can be pushed by the side face of a cone of the push rod head to drive the fire-resistant sliding plate to slide to seal the heat dissipation holes, thereby realizing the automatic sensing of high temperature to seal the cable bridge when encountering fire, and the fire resistance and heat insulation can be pulled to slide to reset through the elastic force action of a reset spring, therefore, the cable bridge has the ventilation, heat dissipation and fire resistance performances, and can be automatically reset so as not to influence repeated use.

Also, for example, the publication number CN212811166U discloses a cable bracket, which comprises a wall body, wherein one side of the wall body is connected with a plurality of cable brackets, the cable brackets are provided with cables, one side of the cable brackets is provided with a movable baffle device which can prevent the cables from falling off when the cables are conveniently installed, and the top end of the cable brackets is connected with a clamping device which clamps the cables after the cables are laid, the cable bracket solves the problems that the cable is deviated or even falls off on the cable brackets before being influenced by external force when the cables are installed by the operation of the movable baffle device, and the cables are wound, realizes that the cables can be fixed at the designated position of the cable brackets under the condition of operation of a single constructor, the cables installed before being influenced by the external force when the cables are installed can not be clamped by the clamping device to prevent the cables from being wound and deviated, the working efficiency of construction operation is improved, and the waste of labor force is reduced.

For the fire-resistant cable bridge disclosed in CN111130033B, the shielding of the ventilation holes is realized through the temperature-sensitive expansion piece, the design can not sensitively react to fire, meanwhile, the cable bridge can not be flexibly disassembled to overhaul the cable, and the cable bridge can not flexibly separate cables with different specifications, and the cables are easy to bond after a long time. The cable support disclosed in publication No. CN212811166U cannot meet the requirements of ventilation and fire prevention, and the cable support cannot flexibly separate cables of different specifications, and the cables are easy to bond after a long time.

Disclosure of Invention

In view of the above-mentioned disadvantages, it is an object of the present invention to provide a cable holder.

The invention provides the following technical scheme:

a cable support comprises a frame, wherein cover plates are fixedly connected to the upper side and the lower side of the frame, side plates are arranged on the front side and the rear side of the frame, and openings are formed in the left side and the right side of the frame;

end brackets are fixedly connected to the openings close to the left side and the right side in the frame, and a plurality of middle brackets are arranged in the frame between the end brackets at the two sides;

the side plate is provided with a vent hole, the side plate is provided with a temperature sensing shielding assembly, and the temperature sensing shielding assembly is used for sealing the vent hole when a fire breaks out.

The lower end of the side plate is connected with the frame through a hinge, and the upper end of the side plate is provided with a spring bolt.

The temperature sensing shielding assembly comprises a baffle which can be arranged in a baffle groove arranged on the side plate in a vertically sliding manner; a first spring is connected between the upper end of the baffle plate and the upper groove wall of the baffle plate groove, and the lower end of the baffle plate is fixedly connected with an adhesive plate; when the lower end of the bonding plate is bonded with the groove wall of the lower end of the baffle groove through the quick-drying adhesive, the first spring is in a stretching state, and the baffle is staggered with the vent; when the quick-drying adhesive is heated and melted, the baffle returns under the action of the tension of the spring to cover the vent hole. By using the quick-drying adhesive, when a fire occurs, the quick-drying adhesive is heated and melted, so that the baffle returns under the action of elastic force of the spring, and the baffle blocks the vent hole.

A handle is fixedly connected to the baffle plate, and one end of the handle penetrates through a vertical rectangular through hole formed in the side plate and extends out of the side plate; and a transverse rectangular through hole is formed in the side plate on one side of the lower end of the baffle slot. After the fire hazard is relieved, the handle can be pulled to stagger the baffle plate and the vent hole, and then quick-drying glue is injected to bond the bonding plate and the groove wall at the lower end of the baffle plate groove together.

Frame left end is equipped with connecting block one placed in the middle, and both sides all are equipped with connecting block two about the frame right-hand member, and connecting block one and connecting block two all are equipped with the screw hole. The frames can be connected end to end and then fixed by bolts.

The end support comprises a first base plate, the upper end of the first base plate is fixedly connected with a plurality of first supports at intervals, and a plurality of clamping assemblies used for clamping cables are arranged between the adjacent first supports. The clamping assembly can separate and clamp the cable, and the cable is prevented from being wound and bonded together.

The clamping assembly comprises a first support frame fixedly connected with the first support frame; a sliding frame is arranged above the first support frame and can be installed on the first support frame in a vertically sliding mode, and a first locking assembly is installed on the first support frame and is used for preventing the sliding frame from sliding vertically; an even number of clamping blocks are arranged at the lower end of the sliding frame in a transverse sliding mode, and a second locking assembly is arranged on the sliding frame and used for preventing the clamping blocks from transversely sliding. The sliding frame and the clamping block which can slide are arranged, so that cables with different diameters can be clamped and fixed.

The sliding frame is provided with a second sliding groove, and one end of the clamping block can be transversely and slidably arranged in the second sliding groove; the locking assembly II comprises a second pressure plate arranged on one side of the clamping block and is slidably arranged in the second sliding groove; a second locking bolt is arranged on the sliding frame which is positioned on one side of the second pressing plate far away from the clamping block, and a second spring is connected between one end of the second pressing plate far away from the clamping block and the wall of the second sliding groove; the first support is provided with a first sliding groove, and the side end of the sliding frame can be vertically and slidably arranged in the first sliding groove; the first locking assembly comprises a first pressing plate arranged on one side of the sliding frame and is slidably arranged in the first sliding groove; and a first locking bolt is arranged on a first support which is positioned on one side of the first pressure plate far away from the sliding frame, and a third spring is connected between one end of the first pressure plate far away from the sliding frame and the wall of the first sliding groove.

The upper end of a lower side cover plate installed on the frame is provided with a rectangular groove, and notches on the front side and the rear side of the rectangular groove are provided with extension blocks, so that the notch of the rectangular groove is in an I shape; the middle support comprises a second bottom plate, the side end of the second bottom plate is provided with a clamping block, and the clamping block is provided with a threaded hole; when the second bottom plate can be inserted into the rectangular groove in a left-right sliding mode, the extension block is located above the clamping block, and threaded holes are uniformly distributed in the extension block; the extension block and the clamping block are fixedly connected through a bolt; the upper end of the second bottom plate is symmetrically and fixedly connected with a second pair of supports, and a plurality of second support frames are fixedly connected between the second pair of supports at intervals. The middle supports with different quantities and different intervals can be flexibly installed between the two end supports according to the weight and the quantity of the cables, and the cables are conveniently supported.

The upper end of the second support frame is uniformly provided with first steel balls, the upper end of the first support frame is uniformly provided with second steel balls, and the lower end of the clamping block is provided with a third steel ball. The cable can be conveniently dragged by installing the steel ball which can roll.

The invention has the beneficial effects that:

1. according to the invention, the temperature sensing shielding assembly is arranged, so that the vent hole can be automatically shielded when a fire breaks out; the vent holes can be manually controlled to be shielded, so that the cost is low and the air conditioner can be recycled;

2. according to the invention, the clamping assembly is arranged, so that cables with different diameters can be flexibly clamped separately, and the cables are prevented from being wound and bonded;

3. the middle supports with different numbers and different intervals can be arranged between the two end supports according to the number and the weight of the cables, so that the cables are conveniently supported.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is an enlarged view at A in FIG. 1;

FIG. 3 is a side panel cross-sectional view of the present invention;

FIG. 4 is a rear elevational view of the invention with the side panels removed;

FIG. 5 is a schematic view of the stent structure of the present invention;

FIG. 6 is a top view of the frame of the present invention;

FIG. 7 is a schematic view of an end bracket configuration of the present invention;

FIG. 8 is an enlarged view at B of FIG. 7;

FIG. 9 is a schematic view of the installation of the locking assembly II of the present invention;

figure 10 is a schematic view of an installation of the locking assembly of the present invention.

Detailed Description

Example one

A cable holder, as shown in fig. 1-10, comprises a frame 101, wherein the frame 101 is in a rectangular parallelepiped shape, and the frame 101 is made of aluminum alloy through welding. The cover plates are fixedly installed on the upper side and the lower side of the frame 101 through welding, the side plates 201 are installed on the left side and the right side of the frame 101, and the side plates 201 are detachable, so that the cables in the frame 101 can be conveniently overhauled by opening the side plates 201. Openings are provided on the left and right sides of the frame 101 to facilitate the extension of the cable.

End brackets are fixedly mounted in the frame 101 near the left and right openings, and specifically, the end brackets are fixedly mounted on the lower side cover plate through bolt connection. A plurality of middle brackets are installed in the frame 101 between the brackets at both side ends. The end brackets and the middle brackets jointly support the cables, and the number of the middle brackets is determined according to the number and the weight of the cables.

The side plate 201 is provided with a vent hole 203, when fire does not occur, the vent hole 203 is not shielded, air flow can enter the frame 101, and the cables are ventilated and cooled. The side plate 201 is provided with a temperature-sensing shielding assembly, and when a fire occurs, the temperature-sensing shielding assembly can seal the vent 203 to prevent flames and smoke dust from entering the frame 101.

The temperature sensing shielding assembly comprises a baffle plate 208, a baffle plate groove 210 is arranged in the side plate 201, and the two side groove walls of the baffle plate groove 210 are provided with vent holes 203. The flapper 208 is slidably mounted up and down within a flapper slot 210. A first spring 209 is connected between the upper end of the baffle plate 208 and the upper end groove wall of the baffle plate groove 210, and the lower end of the baffle plate 208 is fixedly connected with an adhesive plate 205 through welding. The bonding plate 205 is bonded to the lower end groove wall of the baffle groove 210 by the quick-drying adhesive 204. When the lower end of the bonding plate 205 is bonded with the lower end groove wall of the baffle groove 210 through the quick-drying glue 204, the spring I209 is in a stretching state, the baffle plate 208 is staggered with the vent hole 203, and air flow can enter the frame 101 through the vent hole 203. When a fire occurs, the temperature rises, the quick-drying adhesive 204 is heated and melted, the baffle plate 208 returns under the pulling force of the spring I209, the vent hole 203 is shielded, and the flame and smoke cannot enter the frame 101. It should be noted that this design is not only suitable for use outside the frame 101 in case of fire. The baffle 208 may also block the vent 203 from oxygen when a fire is initiated in the frame 101. When the vent 203 needs to be shielded due to various conditions, the worker can also blow and melt the quick drying adhesive 204 by using a hot air gun, so that the vent is shielded by the baffle 208.

In order to facilitate the return of the baffle plate 208, the baffle plate 208 and the vent hole 203 can be staggered again, a handle 206 is fixedly mounted on the baffle plate 208, and one end of the handle 206 penetrates through a vertical rectangular through hole 207 formed in the side plate 201 and extends out of the side plate 201. A lateral rectangular through hole 202 is provided on the side plate 201 on the lower end side of the baffle slot 210. When the baffle plate 208 needs to be staggered with the vent holes 203, the handle 206 is held to pull the baffle plate 208, after the baffle plate 208 is staggered with the vent holes 203, the quick-drying glue 204 is injected through the transverse rectangular through holes 202, and the bonding plate 205 is bonded with the lower end groove wall of the baffle groove 210 again.

The end support comprises a first bottom plate 303, a plurality of first supports 301 are fixedly installed at the upper end of the first bottom plate 303 at intervals through welding, and a plurality of clamping assemblies used for clamping cables are arranged between the adjacent first supports 301. Specifically, the clamping assembly comprises a first support frame 302 fixedly connected with a first support frame 301 through welding, a sliding frame 308 is arranged above the first support frame 302, and the sliding frame 308 is installed on the first support frame 301 in a vertically sliding mode. An even number of clamping blocks 306 are mounted on the lower end of the sliding frame 308 in a transversely slidable manner. The position of the clamping block 306 can be adjusted vertically by adjusting the sliding frame 308 and horizontally, so that cables with different diameters placed on the first support frame 302 can be clamped. After the positions of the clamping block 306 and the sliding frame 308 are adjusted, the clamping block 306 is fixed and cannot slide transversely through a second locking assembly arranged on the sliding frame 308; the sliding frame 308 is fixed and cannot slide up and down through a first locking component arranged on the first bracket 301. Therefore, cables of different specifications are separated, and the cables are prevented from being wound and bonded.

The sliding frame 308 is provided with a second sliding groove 311, one end of the clamping block 306 is transversely slidably installed in the second sliding groove 311, the clamping block 306 is provided with a flange, and the second sliding groove 311 is provided with a groove, so that the clamping block 306 cannot fall off. The second locking component comprises a second pressing plate 312 arranged on one side of the clamping block 306, and the second pressing plate 312 is slidably arranged in the second sliding groove 311. A second locking bolt 307 is arranged on the sliding frame 308 positioned on one side of the second pressing plate 312 far away from the clamping block 306, and a second spring 309 is connected between one end of the second pressing plate 312 far away from the clamping block 306 and the groove wall of the second sliding groove 311. After the position of the clamping block 306 is adjusted, the second locking bolt 307 is tightened, the second spring 309 is stretched, and the second pressing plate 312 is tightly attached to the clamping block 306, so that the clamping block 306 cannot move. When the position of the clamping block 306 needs to be adjusted, the second locking bolt 307 is loosened, so that the second pressure plate 312 is far away from the clamping block 306 under the tension of the second spring 309.

The first bracket 301 is provided with a first sliding groove 314, and the side end of the sliding frame 308 is arranged in the first sliding groove 314 in a vertically sliding manner. A locking assembly, including a first pressure plate 310 disposed on one side of the carriage 308, is slidably mounted within a first slide channel 314. A first locking bolt 304 is arranged on the first bracket 301 at one side of the first pressure plate 310 far away from the sliding frame 308, and a third spring 313 is connected between one end of the first pressure plate 310 far away from the sliding frame 308 and the wall of the first sliding groove 314. When it is desired to disable the sliding rack 308, the first locking bolt 304 is tightened, the third spring 313 is stretched, and the first pressing plate 310 is pressed against the sliding rack 308. When the position of the sliding frame 308 needs to be adjusted, the first locking bolt 304 is loosened, and the first pressing plate 310 is far away from the sliding frame 308 under the tension of the third spring 313.

The upper end of the lower side cover plate installed on the frame 101 is provided with a rectangular groove 105, and notches at the front side and the rear side of the rectangular groove 105 are provided with extension blocks 106, so that the notch of the rectangular groove 105 is in an I shape. The middle support comprises a second bottom plate 404, a clamping block 405 is arranged at the side end of the second bottom plate 404, and a threaded hole is formed in the clamping block 405. The second bottom plate 404 can be inserted into the rectangular slot 105 and can slide left and right in the rectangular slot 105. When the second bottom plate 404 is inserted into the rectangular groove 105 in a left-right sliding manner, the extension block 106 is located above the clamping block 405, threaded holes are uniformly distributed in the extension block 106, and the extension block 106 and the clamping block 405 are fixedly connected through bolts. So that a different number of middle brackets can be installed in the rectangular slot 105 and the spacing of the middle bracket brackets can be adjusted. The upper end of the second bottom plate 404 is symmetrically fixedly provided with a second pair of brackets 401 through welding, and a plurality of second support frames 402 are arranged between the second pair of brackets 401 at intervals through welding. The middle supports with different quantities and different intervals can be flexibly installed between the two end supports according to the weight and the quantity of the cables, and the cables are conveniently supported.

Example two

The difference between the present embodiment and the first embodiment is that, as shown in fig. 1, the lower end of the side plate 201 is connected with the frame 101 through a hinge, a spring bolt 103 is installed at the upper end of the side plate 201, and a jack is arranged on the frame 101, so that the side plate 201 can be conveniently opened, and a cable in the frame 101 can be conveniently overhauled.

EXAMPLE III

The difference between the first embodiment and the second embodiment is that, as shown in fig. 1, a first connecting block 104 is arranged in the center of the left end of the frame 101, second connecting blocks 102 are arranged on the upper side and the lower side of the right end of the frame 101, and threaded holes are formed in the first connecting block 104 and the second connecting blocks 102. A plurality of frames 101 may be connected end to end and then secured by bolts to assemble a cable support of any length.

Example four

The present embodiment is different from the first embodiment in that, as shown in fig. 5 and 8, the upper ends of the second support frames 402 are uniformly distributed with the first steel balls 403, and the first steel balls 403 can rotate; the upper end of the first support frame 302 is uniformly provided with second steel balls 315, and the second steel balls 315 can rotate; the lower end of the clamping block 306 is provided with a steel ball III 305, and the steel ball III 305 can rotate. Therefore, the cable can be conveniently and laborsavingly towed, and the damage to the surface of the cable due to friction when the cable is towed can be avoided.

Labeled as:

the device comprises a frame 101, a second connecting block 102, a spring bolt 103, a first connecting block 104, a rectangular groove 105, an extending block 106, a side plate 201, a transverse rectangular through hole 202, a vent hole 203, quick-drying glue 204, an adhesive plate 205, a handle 206, a vertical rectangular through hole 207, a baffle 208, a first spring 209, a baffle groove 210, a first support frame 301, a first support frame 302, a first bottom plate 303, a first locking bolt 304, a third steel ball 305, a clamping block 306, a second locking bolt 307, a sliding frame 308, a second spring 309, a first pressing plate 310, a second sliding groove 311, a second pressing plate 312, a third spring 313, a first sliding groove 314, a second steel ball 315, a second support frame 401, a second support frame 402, a first steel ball 403, a second bottom plate 404 and a clamping block 405.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A cable support, characterized by: comprises a frame (101), wherein the upper side and the lower side of the frame are fixedly connected with cover plates, the front side and the rear side of the frame are provided with side plates (201), and the left side and the right side of the frame are provided with openings;

end brackets are fixedly connected to the openings close to the left side and the right side in the frame (101), and a plurality of middle brackets are arranged in the frame (101) between the end brackets at the two sides;

the side plate (201) is provided with a vent hole (203), the side plate (201) is provided with a temperature sensing shielding assembly, and the temperature sensing shielding assembly is used for sealing the vent hole (203) when a fire occurs;

the temperature-sensing shielding assembly comprises a baffle (208) which is arranged in a baffle groove (210) arranged on the side plate (201) in a vertically sliding manner; a first spring (209) is connected between the upper end of the baffle (208) and the upper end groove wall of the baffle groove (210), and the lower end of the baffle (208) is fixedly connected with an adhesive plate (205); when the lower end of the bonding plate (205) is bonded with the groove wall of the lower end of the baffle groove (210) through the quick-drying adhesive (204), the spring I (209) is in a stretching state, and the baffle (208) is staggered with the vent hole (203); when the quick-drying glue (204) is heated and melted, the baffle (208) returns under the pulling force of the first spring (209) to cover the vent hole (203);

the end support comprises a first bottom plate (303), the upper end of the first bottom plate (303) is fixedly connected with a plurality of first supports (301) at intervals, and a plurality of clamping assemblies for clamping cables are arranged between the adjacent first supports (301);

the clamping assembly comprises a first support frame (302) fixedly connected with a first support frame (301); a sliding frame (308) is arranged above the first support frame (302) and can be installed on the first support frame (301) in a vertically sliding mode, and a first locking assembly is installed on the first support frame (301) and used for preventing the sliding frame (308) from sliding vertically; an even number of clamping blocks (306) are arranged at the lower end of the sliding frame (308) in a transversely sliding mode, and a second locking assembly is arranged on the sliding frame (308) and used for preventing the clamping blocks (306) from transversely sliding.

2. The cable holder according to claim 1, wherein: the lower end of the side plate (201) is connected with the frame (101) through a hinge, and a spring bolt (103) is installed at the upper end of the side plate (201).

3. The cable holder according to claim 1, wherein: a handle (206) is fixedly connected to the baffle (208), and one end of the handle (206) penetrates through a vertical rectangular through hole (207) formed in the side plate (201) and extends out of the side plate (201); a transverse rectangular through hole (202) is arranged on the side plate (201) positioned on one side of the lower end of the baffle slot (210).

4. The cable holder according to claim 1, wherein: frame (101) left end is equipped with connecting block one (104) between two parties, and both sides all are equipped with connecting block two (102) about frame (101) right-hand member, and connecting block one (104) and connecting block two (102) all are equipped with the screw hole.

5. The cable holder according to claim 1, wherein: the sliding frame (308) is provided with a second sliding groove (311), and one end of the clamping block (306) is transversely and slidably arranged in the second sliding groove (311); the second locking assembly comprises a second pressure plate (312) arranged on one side of the clamping block (306), and the second pressure plate is slidably arranged in the second sliding groove (311); a second locking bolt (307) is arranged on the sliding frame (308) positioned on one side of the second pressure plate (312) far away from the clamping block (306), and a second spring (309) is connected between one end of the second pressure plate (312) far away from the clamping block (306) and the groove wall of the second sliding groove (311); the first support (301) is provided with a first sliding groove (314), and the side end of the sliding frame (308) can be installed in the first sliding groove (314) in a vertically sliding manner; the first locking assembly comprises a first pressure plate (310) arranged on one side of the sliding frame (308), and the first pressure plate is slidably arranged in the first sliding groove (314); a first locking bolt (304) is arranged on the first support (301) positioned on one side, far away from the sliding frame (308), of the first pressure plate (310), and a third spring (313) is connected between one end, far away from the sliding frame (308), of the first pressure plate (310) and the wall of the first sliding groove (314).

6. The cable holder according to claim 1, wherein: a rectangular groove (105) is formed in the upper end of a lower side cover plate installed on the frame (101), and extending blocks (106) are arranged on notches in the front side and the rear side of the rectangular groove (105) to enable the notch of the rectangular groove (105) to be in an I shape; the middle support comprises a second bottom plate (404), a clamping block (405) is arranged at the side end of the second bottom plate (404), and a threaded hole is formed in the clamping block (405); when the second bottom plate (404) is inserted into the rectangular groove (105) in a left-right sliding manner, the extension block (106) is positioned above the clamping block (405), and threaded holes are uniformly distributed in the extension block (106); the extension block (106) and the clamping block (405) are fixedly connected through bolts; the upper end of the second bottom plate (404) is symmetrically and fixedly connected with a second pair of supports (401), and a plurality of second support frames (402) are fixedly connected between the second pair of supports (401) at intervals.

7. The cable holder according to claim 6, wherein: the upper end of the second support frame (402) is uniformly provided with first steel balls (403), the upper end of the first support frame (302) is uniformly provided with second steel balls (315), and the lower end of the clamping block (306) is provided with a third steel ball (305).