Cable erection supporting device

Abstract

The invention belongs to the technical field of cable supports, and particularly relates to a cable erection supporting device which comprises a bottom plate, symmetrical supporting plates are fixedly arranged on the upper side wall of the bottom plate, a limiting plate is fixedly arranged at the upper ends of the two supporting plates, and the number of cables needing to be erected can be conveniently adjusted according to the number of the cables needing to be erected. The extension length of a second adjusting plate in the storage plate is adjusted, so that a corresponding number of first clamping plates are arranged at the upper end in a clamping manner, and the first clamping plates are matched with a threaded rod, a rotating pipe, a fastening bolt, a rubber pad and a second fixing pipe to clamp and fix a cable; through joint cooperation of a first fixing pipe, a threaded rod, a rotating pipe, a fastening bolt, connecting rods, rubber pads and second fixing pipes, the angle of the two connecting rods can be adjusted when a cable needs to be erected at a bending angle, so that the two second fixing pipes and the first fixing pipe form a triangle, and the cable is erected conveniently. And the cable can be bent at an angle during erection, so that the erection requirement is met.

Description

Technical Field

[0001] The invention relates to the technical field of cable supports, in particular to a cable installation support device. Background Art

[0002] Wires and cables are wire products used to transmit electrical (magnetic) energy, information and realize electromagnetic energy conversion. Wires and cables in a broad sense are also referred to as cables. Cables in a narrow sense refer to insulated cables, which can be defined as: a collection of the following parts; one or more insulated wire cores, and their respective coatings, total protective layers and outer sheaths. Cables may also have additional uninsulated conductors. Cable brackets are required to support cables during installation. There are many types of cable brackets.

[0003] However, the existing cable installation support device still has the following technical problems when in use:

[0004] (1) When the existing supporting device supports the cables, it is not convenient to arbitrarily increase or decrease the number of supporting mechanisms according to the number of cables to be supported, so as to meet the needs of supporting different numbers of cables;

[0005] (2) In the process of supporting the cable, if the cable is not installed in a straight line but needs to be installed at an angle, it is difficult for the current supporting device to complete the supporting work.

[0006] Therefore, a cable installation support device is proposed to solve the above-mentioned problems. Summary of the invention

[0007] The object of the present invention is to provide a cable installation support device to solve the problems raised in the above background technology.

[0008] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a cable installation support device, comprising a bottom plate, a symmetrical support plate is fixedly arranged on the upper side wall of the bottom plate, a limit plate is fixedly arranged on the upper ends of the two support plates, a support rod is slidably arranged inside the limit plate, a first adjustment plate is fixedly arranged on the lower end of the support rod, the left side wall and the right side wall of the first adjustment plate are both slidably connected to the side wall of the support plate, a cavity is opened inside the first adjustment plate, and a limit mechanism is arranged inside the cavity;

[0009] A storage plate is fixedly provided at the upper end of the support rod, a second adjustment plate is slidably provided at the front end of the storage plate, a slide groove is provided on the front side wall of the support rod, a telescopic mechanism is provided inside the slide groove, the upper end of the telescopic mechanism is fixedly connected to the lower side wall of the second adjustment plate, a cavity is provided inside the second adjustment plate, a uniformly arranged clamping mechanism is provided inside the cavity, and a first clamping plate is provided outside the second adjustment plate through the clamping mechanism;

[0010] A fixing rod is fixedly provided on the upper side wall of the first clamping plate, a first fixing tube is fixedly provided on the upper end of the fixing rod, a clamping mechanism is provided inside the first fixing tube, threaded rods are fixedly provided on both ends of the upper side wall of the first fixing tube, rotating tubes are sleeved on the outsides of the two threaded rods, fastening nuts are threadedly provided on the upper ends of the rod walls of the two threaded rods, rubber pads are fixedly provided on the lower side walls of the two fastening nuts, and the lower side walls of the rubber pads are in contact with the upper side walls of the rotating tubes, a connecting rod is fixedly provided on the side away from the two rotating tubes, a second fixing tube is fixedly provided on the other ends of the two connecting rods, and a cable is transversely provided between the first fixing tube and the two second fixing tubes.

[0011] Preferably, the side wall threads of the base plate are provided with symmetrical mounting bolts.

[0012] Preferably, the limiting mechanism includes a rotating rod, which is rotatably connected to the lower side wall of the first adjusting plate, the lower end of the rotating rod is fixedly provided with a first rotating block, the upper end of the rotating rod is fixedly provided with a first bevel gear, the interior of the first adjusting plate is rotatably provided with a first screw rod through a bearing, the ends of the two first screw rods that are close to each other are fixedly provided with a second bevel gear, the first bevel gear is meshed with the two second bevel gears, the rod walls of the two first screw rods are threadedly provided with moving blocks, the upper side walls and lower side walls of the two moving blocks are slidably connected to the inner wall of the first adjusting plate, the two moving blocks are fixedly provided with a second clamping plate on the side facing away from the two moving blocks, and the two second clamping plates are fixedly provided with an anti-slip pad on the side facing away from the two second clamping plates.

[0013] Preferably, the telescopic mechanism includes a second screw rod, which is longitudinally rotatably arranged inside the slide groove, a second rotating block is fixedly arranged at the lower end of the rod wall of the second screw rod, a lifting block is threadedly arranged on the rod wall of the second screw rod, the side wall of the lifting block is slidably connected to the inner wall of the slide groove, a first U-shaped block is fixedly arranged on the front side wall of the lifting block, a second U-shaped block is fixedly arranged on the lower side wall of the second adjustment plate, and a strip plate is fixedly arranged between the first U-shaped block and the second U-shaped block via an axle pin.

[0014] Preferably, the clamping mechanism includes a symmetrical first limit rod, which is symmetrically fixed inside the second adjusting plate, and symmetrical slides are slidably arranged outside the two first limit rods. A first spring is fixedly arranged on the side where the two slides are close to each other, and a clamping rod is fixedly arranged on the side where the two slides face away from each other. The two clamping rods are slidably connected to the side wall of the second adjusting plate, and the ends of the two clamping rods facing away from each other are arranged in an arc shape. Symmetrical arc holes are opened on the inner wall of the first clamping plate, and the two clamping rods are clamped with the two arc holes.

[0015] Preferably, the clamping mechanism includes two second limit rods, the two second limit rods are fixedly arranged inside the first fixed tube, and the outsides of the two second limit rods are symmetrically provided with clamping plates for sliding together, and the two clamping plates are provided with a receiving groove on the side close to each other, and a vertical rod is fixedly arranged inside the receiving groove, and a symmetrical clamping block is slidably arranged outside the vertical rod, and the side walls of the two clamping plates are fixedly provided with a fixing plate, and the outside of the vertical rod is sleeved with a second spring, and both ends of the second spring are fixedly connected to the side walls of the clamping block, and the side walls of the first fixed tube are threaded with symmetrical screws, and the ends of the two screws that are close to each other are rotatably connected to the side walls of the clamps through bearings, and the ends of the two screws that are away from each other are fixedly provided with a third rotating block.

[0016] Preferably, the two rotating tubes are slidably arranged outside the two threaded rods.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1) The present application cooperates with the storage plate, the second adjustment plate, the first clamping plate, the telescopic mechanism and the clamping mechanism to adjust the extension length of the second adjustment plate inside the storage plate according to the number of cables to be installed, so that a corresponding number of first clamping plates are clamped at the upper end, and the cables are clamped and fixed by the cooperation of the first clamping plate with the threaded rod, the rotating tube, the fastening bolt, the rubber pad and the second fixing tube;

[0019] 2) Through the cooperation of the first fixed tube, threaded rod, rotating tube, fastening bolt, connecting rod, rubber pad and the second fixed tube, when it is necessary to bend the cable at an angle during installation, the angles of the two connecting rods can be adjusted so that the two second fixed tubes and the first fixed tube are in a triangular shape, which can adjust the bending angle of the cable during installation to meet the installation needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the present invention;

[0021] Figure 2 for Figure 1 A schematic diagram of the front structure of

[0022] Figure 3 is a schematic cross-sectional structural diagram of a first adjustment plate;

[0023] Figure 4 is a schematic cross-sectional structural diagram of a second adjustment plate;

[0024] Figure 5 is a structural schematic diagram of a first card board;

[0025] Figure 6 It is an enlarged structural diagram of a threaded rod, a rotating tube, a fastening bolt and a rubber pad;

[0026] Figure 7 is a schematic diagram of the side structure of the first fixed tube;

[0027] Figure 8 It is a schematic diagram of the side structure of the telescopic mechanism.

[0028] In the figure: 1 bottom plate, 2 support plate, 3 limit plate, 4 support rod, 5 first adjustment plate, 6 storage plate, 7 second adjustment plate, 8 first clamping plate, 9 fixed rod, 10 first fixed tube, 11 threaded rod, 12 rotating tube, 13 fastening bolt, 14 rubber pad, 15 connecting rod, 16 second fixed tube, 17 cable, 18 rotating rod, 19 first rotating block, 20 first screw rod, 21 moving block, 22 second clamping plate, 23 anti-skid pad, 24 second screw rod, 25 second rotating block, 26 lifting block, 27 first U-shaped block, 28 second U-shaped block, 29 strip plate, 30 third rotating block, 31 first limit rod, 32 slide plate, 33 first spring, 34 clamping rod, 35 second limit rod, 36 clamping plate, 37 vertical rod, 38 clamping block, 39 fixed plate, 40 second spring, 41 screw rod. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0031] Example:

[0032] See also Figure 1-8 , the present invention provides a technical solution:

[0033] A cable laying support device comprises a bottom plate 1, a symmetrical support plate 2 is fixedly arranged on the upper side wall of the bottom plate 1, a limit plate 3 is fixedly arranged on the upper ends of the two support plates 2, a support rod 4 is slidably arranged inside the limit plate 3, a first adjustment plate 5 is fixedly arranged on the lower end of the support rod 4, the left side wall and the right side wall of the first adjustment plate 5 are both slidably connected to the side wall of the support plate 2, a cavity is opened inside the first adjustment plate 5, and a limit mechanism is arranged inside the cavity;

[0034] A storage plate 6 is fixedly provided at the upper end of the support rod 4, a second adjustment plate 7 is slidably provided at the front end of the storage plate 6, a slide groove is provided on the front side wall of the support rod 4, a telescopic mechanism is provided inside the slide groove, the upper end of the telescopic mechanism is fixedly connected to the lower side wall of the second adjustment plate 7, a cavity is provided inside the second adjustment plate 7, a uniformly arranged clamping mechanism is provided inside the cavity, and a first clamping plate 8 is provided outside the second adjustment plate 7 through the clamping mechanism;

[0035] The present application cooperates with the receiving plate 6, the second adjusting plate 7, the first clamping plate 8, the telescopic mechanism and the clamping mechanism to adjust the extension length of the second adjusting plate 7 inside the receiving plate 6 according to the number of cables 17 to be installed, so that a corresponding number of first clamping plates 8 are clamped at the upper end, and the cables 17 are clamped and fixed by the cooperation of the first clamping plate 8, the threaded rod 11, the rotating tube 12, the fastening bolt 13, the rubber pad 14 and the second fixing tube 16;

[0036] Through the cooperation of the first fixed tube 10, the threaded rod 11, the rotating tube 12, the fastening bolt 13, the connecting rod 15, the rubber pad 14 and the second fixed tube 16, when it is necessary to bend the cable 7 for installation, the angles of the two connecting rods 15 can be adjusted, so that the two second fixed tubes 16 and the first fixed tube 10 are in a triangular shape, and the cable 17 can be bent at an angle during installation to meet the installation needs.

[0037] A fixing rod 9 is fixedly provided on the upper side wall of the first clamping plate 8, a first fixing tube 10 is fixedly provided on the upper end of the fixing rod 9, a clamping mechanism is provided inside the first fixing tube 10, threaded rods 11 are fixedly provided on both ends of the upper side wall of the first fixing tube 10, a rotating tube 12 is sleeved on the outside of the two threaded rods 11, fastening nuts 13 are threadedly provided on the upper ends of the rod walls of the two threaded rods 11, rubber pads 14 are fixedly provided on the lower side walls of the two fastening nuts 13, the lower side walls of the rubber pads 14 are in contact with the upper side walls of the rotating tube 12, a connecting rod 15 is fixedly provided on the side away from the two rotating tubes 12, a second fixing tube 16 is fixedly provided on the other ends of the two connecting rods 15, and a cable 17 is transversely provided between the first fixing tube 10 and the two second fixing tubes 16.

[0038] The side wall threads of the bottom plate 1 are provided with symmetrical mounting bolts.

[0039] The limiting mechanism includes a rotating rod 18, which is rotatably connected to the lower side wall of the first adjusting plate 5. A first rotating block 19 is fixedly provided at the lower end of the rotating rod 18, and a first bevel gear is fixedly provided at the upper end of the rotating rod 18. A first screw rod 20 is rotatably provided inside the first adjusting plate 5 through a bearing, and a second bevel gear is fixedly provided at the ends of the two first screw rods 20 that are close to each other. The first bevel gear is meshed with the two second bevel gears. The rod walls of the two first screw rods 20 are threadedly provided with moving blocks 21, and the upper and lower side walls of the two moving blocks 21 are slidably connected to the inner wall of the first adjusting plate 5. A second clamping plate 22 is fixedly provided on the side away from the two moving blocks 21, and an anti-slip pad 23 is fixedly provided on the side away from the two second clamping plates 22.

[0040] The telescopic mechanism includes a second screw rod 24, which is longitudinally rotatably arranged inside the slide groove, a second rotating block 25 is fixedly arranged at the lower end of the rod wall of the second screw rod 24, a lifting block 26 is threadedly arranged on the rod wall of the second screw rod 24, and the side wall of the lifting block 26 is slidably connected to the inner wall of the slide groove, a first U-shaped block 27 is fixedly arranged on the front side wall of the lifting block 26, a second U-shaped block 28 is fixedly arranged on the lower side wall of the second adjustment plate 7, a strip plate 29 is fixedly arranged between the first U-shaped block 27 and the second U-shaped block 28 through an axle pin, and the telescopic mechanism can drive the second adjustment plate 7 to extend and retract inside the storage plate 6.

[0041] The clamping mechanism includes a symmetrical first limit rod 31, which is fixedly arranged inside the second adjustment plate 7. Symmetrical slides 32 are slidably arranged outside the two first limit rods 31. A first spring 33 is fixedly arranged on the side where the two slides 32 are close to each other. A clamping rod 34 is fixedly arranged on the side where the two slides 32 are away from each other. The two clamping rods 34 are slidably connected to the side wall of the second adjustment plate 7. The away ends of the two clamping rods 34 are arranged in an arc shape. Symmetrical arc holes are opened on the inner wall of the first clamping plate 8. The two clamping rods 34 are clamped with the two arc holes. When the first clamping plate 8 needs to be fixed, it is directly clamped on the outside of the second adjustment plate 7. When the first clamping plate 8 needs to be disassembled, because the end of the clamping rod 34 is in an arc shape, it can be separated from the arc hole by direct force.

[0042] The clamping mechanism includes two second limit rods 35, which are fixedly arranged inside the first fixed tube 10, and symmetrical clamping plates 36 are slidably arranged outside the two second limit rods 35. The two clamping plates 36 are provided with receiving grooves on the sides close to each other, and a vertical rod 37 is fixedly arranged inside the receiving groove. A symmetrical clamping block 38 is slidably arranged outside the vertical rod 37. The side walls of the two clamping plates 36 are fixedly arranged with a fixing plate 39, and the outside of the vertical rod 37 is sleeved with a second spring 40. The two sides of the second spring 40 are provided with a plurality of second springs 40. The ends are fixedly connected to the side walls of the clamping block 38, and the side walls of the first fixed tube 10 are threadedly provided with symmetrical screws 41. The ends of the two screws 41 that are close to each other are rotatably connected to the side walls of the clamping plate 36 through bearings, and the ends of the two screws 41 that are away from each other are fixedly provided with a third rotating block 30. By rotating the third rotating block 30, the third rotating block 30 drives the screws 41 to rotate, and the screws 41 drive the clamping plate 36 to approach each other, and the cable is fixed by the cooperation of the vertical rod 37, the clamping block 38, the fixed plate 39 and the second spring 40.

[0043] The two rotating tubes 12 are slidably arranged outside the two threaded rods 11 . The rotating tubes 12 can rotate at any angle and are fixed by tightening nuts 13 .

[0044] Working principle:

[0045] First, the device is installed and fixed to the ground by installing bolts. According to the height required for laying cables, the position of the first adjusting plate 5 is adjusted. The first adjusting plate 5 drives the support rod 4 of the upper side wall to move. After the first adjusting plate 5 moves to a certain position, it is limited by the limiting mechanism to ensure that the first adjusting plate 5 does not move. According to the number of cables 17 to be laid, the extension length of the second adjusting plate 7 is adjusted. By rotating the second rotating block 25, the second rotating block 25 drives the second screw rod 24 to rotate. The second screw rod 24 drives the lifting block 26 threadedly connected to the rod wall to rise. The lifting block 26 drives the first U-shaped block 27 of the side wall to move. The first U-shaped block 27 with The movable strip plate 30 and the second U-shaped block 29 move, thereby driving the second adjustment plate 7 to extend from the inside of the storage plate 6, and a corresponding number of first clamping plates 8 are installed on the upper end of the second adjustment plate 7 through a clamping mechanism, and according to the bending angle of the cable 17, the rotating tube 12 outside the two threaded rods 11 can be rotated, and the rotating tube 12 drives the connecting rod 15 to move. When the connecting rod 15 is rotated to a certain angle, the rotating tube 12 is fixed by tightening the fastening nut 13. At this time, a first fixed tube 10 and two second fixed tubes 16 are on different straight lines, and the cable 17 is passed through the inside of the first fixed tube 10 and the second fixed tube 16, thereby changing the installation angle of the cable 17.

[0046] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention; therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is limited by the attached claims rather than the above description. Therefore, it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the present invention, and any figure marks in the claims should not be regarded as limiting the claims involved.

[0047] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cable installation support device, comprising a base plate (1), characterized in that: A symmetrical support plate (2) is fixedly arranged on the upper side wall of the bottom plate (1), a limit plate (3) is fixedly arranged on the upper ends of the two support plates (2), a support rod (4) is slidably arranged inside the limit plate (3), a first adjustment plate (5) is fixedly arranged on the lower end of the support rod (4), the left side wall and the right side wall of the first adjustment plate (5) are both slidably connected to the side walls of the support plate (2), a cavity is opened inside the first adjustment plate (5), and a limit mechanism is arranged inside the cavity; A storage plate (6) is fixedly provided at the upper end of the support rod (4), a second adjustment plate (7) is slidably provided at the front end of the storage plate (6), a slide groove is provided on the front side wall of the support rod (4), a telescopic mechanism is provided inside the slide groove, the upper end of the telescopic mechanism is fixedly connected to the lower side wall of the second adjustment plate (7), a cavity is provided inside the second adjustment plate (7), a uniformly arranged clamping mechanism is provided inside the cavity, and a first clamping plate (8) is provided outside the second adjustment plate (7) through the clamping mechanism; A fixing rod (9) is fixedly provided on the upper side wall of the first clamping plate (8), a first fixing tube (10) is fixedly provided on the upper end of the fixing rod (9), a clamping mechanism is provided inside the first fixing tube (10), threaded rods (11) are fixedly provided on both ends of the upper side wall of the first fixing tube (10), a rotating tube (12) is sleeved on the outside of the two threaded rods (11), a fastening nut (13) is threadedly provided on the upper ends of the rod walls of the two threaded rods (11), a rubber pad (14) is fixedly provided on the lower side walls of the two fastening nuts (13), the lower side walls of the rubber pad (14) are in contact with the upper side wall of the rotating tube (12), a connecting rod (15) is fixedly provided on the side away from the two rotating tubes (12), a second fixing tube (16) is fixedly provided on the other ends of the two connecting rods (15), and a cable (17) is transversely provided between the first fixing tube (10) and the two second fixing tubes (16).

2. A cable installation support device according to claim 1, characterized in that: The side wall of the base plate (1) is threadedly provided with symmetrical mounting bolts.

3. A cable installation support device according to claim 1, characterized in that: The limiting mechanism comprises a rotating rod (18), the rotating rod (18) being rotatably connected to the lower side wall of the first adjusting plate (5), a first rotating block (19) being fixedly arranged at the lower end of the rotating rod (18), a first bevel gear being fixedly arranged at the upper end of the rotating rod (18), a first screw rod (20) being rotatably arranged inside the first adjusting plate (5) through a bearing, a second bevel gear being fixedly arranged at the adjacent ends of the two first screw rods (20), the first bevel gear being meshed with the two second bevel gears, a moving block (21) being threadedly arranged on the rod wall of the two first screw rods (20), the upper side wall and the lower side wall of the two moving blocks (21) being slidably connected to the inner wall of the first adjusting plate (5), a second clamping plate (22) being fixedly arranged on the opposite side of the two moving blocks (21), and an anti-slip pad (23) being fixedly arranged on the opposite side of the two second clamping plates (22).

4. A cable installation support device according to claim 1, characterized in that: The telescopic mechanism comprises a second screw rod (24), the second screw rod (24) is longitudinally rotatably arranged inside the slide groove, a second rotating block (25) is fixedly arranged at the lower end of the rod wall of the second screw rod (24), a lifting block (26) is threadedly arranged on the rod wall of the second screw rod (24), the side wall of the lifting block (26) is slidably connected to the inner wall of the slide groove, a first U-shaped block (27) is fixedly arranged on the front side wall of the lifting block (26), a second U-shaped block (28) is fixedly arranged on the lower side wall of the second adjustment plate (7), and a strip plate (29) is fixedly arranged between the first U-shaped block (27) and the second U-shaped block (28) via an axle pin.

5. A cable installation support device according to claim 1, characterized in that: The clamping mechanism comprises a symmetrical first limiting rod (31), the symmetrical first limiting rod (31) is fixedly arranged inside the second adjustment plate (7), and symmetrical slide plates (32) are slidably arranged outside the two first limiting rods (31), and a first spring (33) is fixedly arranged on the side where the two slide plates (32) are close to each other, and a clamping rod (34) is fixedly arranged on the side where the two slide plates (32) are separated from each other, and the two clamping rods (34) are slidably connected to the side wall of the second adjustment plate (7), and the ends of the two clamping rods (34) that are separated from each other are arranged in an arc shape, and the inner wall of the first clamping plate (8) is provided with symmetrical arc holes, and the two clamping rods (34) are clamped with the two arc holes.

6. A cable installation support device according to claim 1, characterized in that: The clamping mechanism comprises two second limiting rods (35), the two second limiting rods (35) are fixedly arranged inside the first fixed tube (10), and symmetrical clamping plates (36) are slidably arranged outside the two second limiting rods (35), and a receiving groove is provided on the side close to the two clamping plates (36), a vertical rod (37) is fixedly arranged inside the receiving groove, and a symmetrical clamping block (38) is slidably arranged outside the vertical rod (37), and the side walls of the two clamping plates (36) are A fixing plate (39) is fixedly provided on both sides of the vertical rod (37), a second spring (40) is sleeved on the outside of the vertical rod (37), both ends of the second spring (40) are fixedly connected to the side wall of the clamping block (38), and the side wall of the first fixed tube (10) is threadedly provided with symmetrical screw rods (41), the ends of the two screw rods (41) that are close to each other are rotatably connected to the side wall of the clamping plate (36) through bearings, and the ends of the two screw rods (41) that are separated from each other are fixedly provided with a third rotating block (30).

7. A cable installation support device according to claim 1, characterized in that: The two rotating tubes (12) are slidably arranged outside the two threaded rods (11).

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