Cable mounting rack used in water immersion prevention laying of pipeline cable

Abstract

The utility model belongs to the technical field of cable construction, and discloses a cable mounting rack for water-immersion-proof laying of a pipeline cable, which is characterized in that the cable mounting rack (2) is composed of two mounting assemblies which are in bilateral symmetry, and each mounting assembly is composed of a suspension part (22), a first fixing rod (23), a connecting rod (24) and a second fixing rod (25). The utility model has the advantages of simple structure, convenient construction, cable water immersion prevention, convenient wire arrangement and the like.

Description

Technical Field

[0001] The utility model belongs to the technical field of cable construction, in particular to a cable installation rack used for anti-immersion laying of pipeline cables. Background Art

[0002] In the prior art, CN116526372A discloses a method for laying cables with the help of drainage pipes, which includes the following steps: Step 1: threading the cable along the drainage pipe; Step 2: construction workers enter from the wellhead along the drainage pipe and stand on the lower ladder assembly at the wellhead; it is characterized in that the lower ladder assembly is composed of a first ladder and a second ladder that are slidably connected, and a plurality of first clamping components are spaced apart on both sides of the lower ladder assembly, and a fall prevention railing is provided on the back of the lower ladder assembly; Step 3: extending the second ladder to the bottom of the pipe, the construction workers stand on a suitable second cross bar, hook up the cable at the bottom of the drainage pipe, and fix the cable with the first clamping component; Step 4: the construction workers drill out of the pipe from the wellhead, fix the first fixing component to the bottom of the wellhead, and cover the manhole cover.

[0003] The above-mentioned existing technologies all have the following disadvantages: 1. Complex structure; 2. When the water level is high, the cables located below are easily submerged in water, and floating objects are easily blocked, causing pipe blockage and damage to the cables. Utility Model Content

[0004] In order to solve the above problems, the purpose of the present utility model is to disclose a cable installation rack for anti-immersion laying of pipeline cables, which is achieved by adopting the following technical solutions.

[0005] A cable installation frame for waterproofing pipeline cables, characterized in that the cable installation frame is composed of two bilaterally symmetrical installation components, each of which is composed of a hanging component, a first fixing rod, a connecting rod, and a second fixing rod;

[0006] Two suspension members are fixed side by side to the lower wall of the wellhead, the upper end of the first fixing rod is pivotally connected to the lower end of the corresponding suspension member, the lower end of the first fixing rod is pivotally connected to the upper end of the corresponding connecting rod, and the lower end of the connecting rod is pivotally connected to the upper end of the corresponding second fixing rod, and all the first fixing rods, connecting rods and second fixing rods rotate in the same plane, and the plane is perpendicular to the rotation axis between the suspension member and the corresponding first fixing rod;

[0007] A pull rope and two branch ropes are provided between the two mounting components. The lower ends of the two second fixing rods are respectively fixed to one end of the corresponding branch rope, and the other ends of the two branch ropes are fixed to the lower ends of the pull rope;

[0008] A plurality of clamp assemblies are fixed to the left side of the first fixing rod on the left side at equal intervals from top to bottom, and a plurality of clamp assemblies are fixed to the right side of the first fixing rod on the right side at equal intervals from top to bottom. The clamp assembly consists of a clamp body for fixing the cable and a step rod. The right end of the step rod on the left side is fixed to the left side wall of the first fixing rod on the left side, and the left end of the step rod is fixed to the clamp body.

[0009] The left end of the right step rod is fixed to the left side wall of the first fixing rod on the right side, and the left end of the step rod is fixed to the hoop body;

[0010] A well edge is provided above the wellhead, and a through hole is provided on the well edge just above the cable installation frame, and a rope fixing component for fixing a rope is fixed on the side wall of the well edge, and the upper end of the rope passes through the through hole.

[0011] The cable installation stand for waterproof laying of pipeline cables described above is characterized in that: the left clamp body is composed of an upper clamp and a lower clamp with an upward opening, the left end of the step rod is fixed to the right end of the lower clamp, a bolt is fixed to the upper wall of the right end of the lower clamp, the left end of the lower clamp is pivotally connected to one end of the upper clamp, the other end of the upper clamp is provided with an open slot capable of clamping the bolt, and the upper clamp and the corresponding lower clamp are clamped and fixed by a fixing nut;

[0012] The clamp body on the right side is composed of an upper clamp and a lower clamp with an opening upward. The right end of the pedal rod is fixed to the left end of the lower clamp, and a bolt is fixed to the upper wall of the left end of the lower clamp. The right end of the lower clamp is pivotally connected to one end of the upper clamp, and the other end of the upper clamp is provided with an open slot that can clamp the bolt. The upper clamp and the corresponding lower clamp are fixed together by a fixing nut. In step 04, when the upper clamp and the lower clamp are clamped together, the bolt is located in the open slot and is fixed with a fixing nut.

[0013] The cable installation rack for waterproof laying of pipeline cables described above is characterized in that when the upper clamp and the lower clamp are clamped together, the height of the top of the upper clamp is higher than the height of the upper surface of the corresponding pedal.

[0014] The above-mentioned cable installation bracket used for waterproof laying of pipeline cables is characterized in that a protruding groove is provided on the upper part of the well edge directly above the cable installation bracket, the upper end of the through hole is located at the bottom of the protruding groove, and the two ends of the pull rope fixing component are fixed to both sides of the protruding groove on the side wall of the well edge.

[0015] The cable installation bracket described above for waterproof laying of pipeline cables is characterized in that a first limiting component that cannot pass through the through-hole is provided on one side of the pull rope above the through-hole.

[0016] The above-mentioned cable installation bracket for anti-immersion laying of pipeline cables is characterized in that: a limit hook for hooking the lower end of the second fixed rod is fixedly provided on the right side wall of the left hanging component, and a limit hook is fixedly provided on the left side wall of the right hanging component. The limit hook is composed of a fixed block, a fixed hook body, a movable hook and a second limit component. The fixed block is fixed to the upper part of the fixed hook body, the movable hook is connected to the lower pivot of the second limit component, and the second limit component is located below the movable hook. When the movable hook contacts the second limit component, the angle between the movable hook and the fixed hook body is ≤90°, the fixed block and the movable hook are located on the same side of the fixed hook body. In step 06, the pull rope needs to be pulled to the lower end of the second fixed rod and supported by the movable hook.

[0017] The cable installation rack for waterproof laying of pipeline cables described above is characterized in that the length of the two branch ropes is less than twice the distance between the two second fixing rods in a vertical state.

[0018] The cable installation rack for waterproof laying of pipeline cables described above is characterized in that the length of the second fixing rod is greater than or equal to the length of the first fixing rod.

[0019] The cable installation rack for waterproof laying of pipeline cables described above is characterized in that the distance between the left end of the pedal of the left installation component and the right end of the pedal of the right installation component is ≥60 cm.

[0020] The cable installation rack for waterproof laying of pipeline cables described above is characterized in that the length of the pedal is ≥15 cm.

[0021] The cable installation bracket used for waterproof laying of pipeline cables is characterized in that when the two second fixing rods are in a horizontal state, the leftmost end and the rightmost end of the cable installation bracket do not contact the inner wall of the pipeline.

[0022] The utility model has the following beneficial effects:

[0023] 1. The cable installation rack can be used as a ladder. When laying the cable, there is no need to prepare a ladder to enter the pipeline cavity, which improves the laying efficiency of the cable.

[0024] 2. After laying is completed, simply raise the cable installation frame and fix the pull rope to place the cable in the upper part of the inner cavity of the pipeline to prevent the cable from being immersed in the water in the pipeline for a long time, thereby preventing the cable from being contaminated and possibly affecting the transmission performance of the cable.

[0025] 3. Easy to manage cables. The cables are fixed to the clamp assemblies of the first and second fixing rods in sequence, so that the cables are separated and will not be confused or entangled. It is convenient to find the cables quickly during maintenance and improve maintenance efficiency.

[0026] 4. Different types of cables can be fixed on the two first fixing rods and the two second fixing rods. The first fixing rod and the two second fixing rods can play a role in distinguishing the cables to a certain extent.

[0027] 5. When the upper and lower clamps are closed, the top of the upper clamp is higher than the upper surface of the corresponding pedal, which prevents the feet from slipping off the pedal when the construction workers step on the pedal.

[0028] 6. The branch rope can prevent the two second fixing rods from separating to the sides, thereby improving the stability of the cable installation rack when construction workers climb.

[0029] 7. The opening of the lower clamp is fixed upwards. When fixing the cable, place the cable directly on the lower clamp without holding the cable all the time, which improves construction efficiency.

[0030] 8. The clamp assembly is an integrated structure, which further improves the construction efficiency and prevents the omission of parts during installation.

[0031] 9. Set a limit hook to further fix the position of the second fixing rod after the cable is installed to prevent the second fixing rod from falling after the pull rope is separated from the first limit component. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 This is a schematic diagram of the three-dimensional structure of the cable installation frame of Example 1 in a vertical state in a pipeline.

[0033] Figure 2 This is a cross-sectional view of a pipeline in which the cable installation bracket of Example 1 is in a vertical state.

[0034] Figure 3 This is a schematic diagram of the enlarged three-dimensional structure of area A in Example 1.

[0035] Figure 4 This is a schematic diagram of the three-dimensional structure of the cable installation bracket of Example 1.

[0036] Figure 5 This is a schematic diagram of the enlarged three-dimensional structure of region C in Example 1.

[0037] Figure 6 This is a schematic diagram of the enlarged three-dimensional structure of region B in Example 1.

[0038] Figure 7 This is a schematic diagram of the three-dimensional structure of the cable installation rack of Example 1 in a retracted state.

[0039] Figure 8 This is a schematic diagram of the three-dimensional structure of the cable installation frame of Example 1 in a retracted state with cables installed.

[0040] Figure 9 This is a schematic diagram of the three-dimensional structure of the cable installation frame of Example 2 in a vertical state.

[0041] Figure 10 This is a schematic diagram of the three-dimensional structure of the cable installation frame of Example 2 in a retracted state with cables installed.

[0042] Figure 11 This is a schematic diagram of the three-dimensional structure of the limiting hook of Example 2.

[0043] In the figure: 1. Pipe, 11. Well edge, 12. Wellhead, 13. Draw rope fixing component, 14. Extension groove, 2. Cable mounting frame, 21. Draw rope, 211. First limiting component, 22. Suspension component, 23. First fixing rod, 24. Connecting rod, 25. Second fixing rod, 26. Branch rope, 27. Clamp assembly, 271. Upper clamp, 272. Lower clamp, 273. Fixing nut, 274. Pedal, 28. Limiting hook, 281. Fixed block, 282. Fixed hook body, 283. Movable hook, 284. Second limiting component, 3. Cable. DETAILED DESCRIPTION

[0044] Example 1: Figures 1 to 8 A cable installation rack for anti-immersion laying of pipeline cables, used for anti-immersion laying of pipeline cables, characterized in that the anti-immersion laying method includes the following steps:

[0045] Step 01: Pass the cable along the inner cavity of pipe 1;

[0046] Step 02: Open the manhole cover on the wellhead 12. A cable mounting bracket 2 is fixed to the lower wall of the wellhead 12. The cable mounting bracket 2 is composed of two bilaterally symmetrical mounting components, each of which is composed of a hanging component 22, a first fixing rod 23, a connecting rod 24, and a second fixing rod 25.

[0047] Two suspension members 22 are fixed side by side to the lower wall of the wellhead 12. The upper end of the first fixing rod 23 is pivotally connected to the lower end of the corresponding suspension member 22. The lower end of the first fixing rod 23 is pivotally connected to the upper end of the corresponding connecting rod 24. The lower end of the connecting rod 24 is pivotally connected to the upper end of the corresponding second fixing rod 25. All the first fixing rods 23, connecting rods 24 and second fixing rods 25 rotate in the same plane, which is perpendicular to the rotation axis between the suspension member 22 and the corresponding first fixing rod 23.

[0048] A pull rope 21 and two branch ropes 26 are provided between the two mounting assemblies. The lower ends of the two second fixing rods 25 are fixed to one end of the corresponding branch rope 26, and the other ends of the two branch ropes 26 are fixed to the lower end of the pull rope 21.

[0049] The left side of the first fixing rod 23 on the left side is fixed with multiple clamping hoop assemblies 27 at equal intervals from top to bottom. The clamping hoop assembly 27 consists of an upper clamping hoop 271, a lower clamping hoop 272 with an upward opening, and a step rod 274. The right end of the left step rod 274 is fixed to the left side wall of the first fixing rod 23 on the left, and the left end of the step rod 274 is fixed to the right end of the lower clamping hoop 272. A bolt is fixed to the upper wall of the right end of the lower clamping hoop 272. The left end of the lower clamping hoop 272 is pivotally connected to one end of the upper clamping hoop 271. The other end of the upper clamping hoop 271 is provided with an open slot for clamping the bolt. The upper clamping hoop 271 and the corresponding lower clamping hoop 272 are fixed together by fixing nuts 273. When the upper clamping hoop 271 and the lower clamping hoop 272 are hugged, the height of the top of the upper clamping hoop 271 is higher than the height of the upper surface of the corresponding step rod 274.

[0050] A plurality of clamping hoop assemblies 27 are fixed to the right side of the first fixing rod 23 on the right side at equal intervals from top to bottom. The left end of the right pedal rod 274 is fixed to the right side wall of the first fixing rod 23 on the right side, and the right end of the pedal rod 274 is fixed to the left end of the lower clamping hoop 272. A bolt is fixed to the upper wall of the left end of the lower clamping hoop 272. The right end of the lower clamping hoop 272 is pivotally connected to one end of the upper clamping hoop 271. The other end of the upper clamping hoop 271 is provided with an open slot for clamping the bolt. The upper clamping hoop 271 and the corresponding lower clamping hoop 272 are fixed together by fixing nuts 273. When the upper clamping hoop 271 and the lower clamping hoop 272 are closed together, the height of the top of the upper clamping hoop 271 is higher than the height of the upper surface of the corresponding pedal rod 274.

[0051] A well edge 11 is provided above the wellhead 12. An upper portion of the well edge 11 is provided with a protruding groove 14 located directly above the cable installation frame 2. A through-hole is provided at the bottom of the protruding groove 14 and extends vertically therethrough. A rope fixing component 13 for fixing a pull rope 21 is fixed on the side wall of the well edge 11 on both sides of the protruding groove 14. The upper end of the pull rope 21 passes through the through-hole. A first limiting component 211 is provided on one side of the pull rope 21 located above the through-hole so that the pull rope cannot pass through the through-hole.

[0052] Step 03: Loosen the drawstring 21 on the drawstring fixing component 13 to make the two installation components in a vertical state. The construction worker steps on the pedals 274 on both sides of the cable installation frame 2 to enter the inner cavity of the pipeline 1;

[0053] Step 4: Loosen the corresponding fixing nut 273 to open the upper clamp 271 of the clamp assembly 27, insert the cable 3 to be fixed, close the upper clamp 271, and tighten the fixing nut 273;

[0054] Step 05: The construction worker climbs out of the wellhead by stepping on the pedals 274 on both sides of the cable installation frame 2;

[0055] Step 06: Pull the drawstring 21 upward to move the lower end of the second fixing rod 25 upward to the desired position, and move the connecting rod 24 to the left and right sides to fix the drawstring 21 to the drawstring fixing component 13;

[0056] Step 07: Cover the manhole.

[0057] Example 2: Figures 9 to 11 , and refer to Figures 1 to 6 A cable installation frame for anti-immersion laying of pipeline cables is characterized by comprising the following steps:

[0058] Step 01: Pass the cable along the inner cavity of pipe 1;

[0059] Step 02: Open the upper cover of the wellhead 12. A cable mounting bracket 2 is fixed to the lower wall of the wellhead 12. The cable mounting bracket 2 is composed of two bilaterally symmetrical mounting components. The mounting components are composed of a hanging component 22, a first fixing rod 23, a connecting rod 24, and a second fixing rod 25.

[0060] Two suspension members 22 are fixed side by side to the lower wall of the wellhead 12. The upper end of the first fixing rod 23 is pivotally connected to the lower end of the corresponding suspension member 22. The lower end of the first fixing rod 23 is pivotally connected to the upper end of the corresponding connecting rod 24. The lower end of the connecting rod 24 is pivotally connected to the upper end of the corresponding second fixing rod 25. All the first fixing rods 23, connecting rods 24 and second fixing rods 25 rotate in the same plane, which is perpendicular to the rotation axis between the suspension member 22 and the corresponding first fixing rod 23.

[0061] A pull rope 21 and two branch ropes 26 are provided between the two mounting assemblies. The lower ends of the two second fixing rods 25 are fixed to one end of the corresponding branch rope 26, and the other ends of the two branch ropes 26 are fixed to the lower end of the pull rope 21.

[0062] The left side of the first fixing rod 23 on the left side is fixed with multiple clamping hoop assemblies 27 at equal intervals from top to bottom. The clamping hoop assembly 27 consists of an upper clamping hoop 271, a lower clamping hoop 272 with an upward opening, and a step rod 274. The right end of the step rod 274 is fixed to the left side wall of the corresponding first fixing rod 23, and the left end of the step rod 274 is fixed to the right end of the lower clamping hoop 272. A bolt is fixed to the upper wall of the right end of the lower clamping hoop 272. The left end of the lower clamping hoop 272 is pivotally connected to one end of the upper clamping hoop 271. The other end of the upper clamping hoop 271 is provided with an open slot for clamping the bolt. The upper clamping hoop 271 and the corresponding lower clamping hoop 272 are fixed together by fixing nuts 273. When the upper clamping hoop 271 and the lower clamping hoop 272 are closed, the height of the top of the upper clamping hoop 271 is higher than the height of the upper surface of the corresponding step rod 274.

[0063] The right side of the first fixing rod 23 on the right side is fixed with multiple clamping hoop assemblies 27 at equal intervals from top to bottom. The clamping hoop assembly 27 consists of an upper clamping hoop 271, a lower clamping hoop 272 with an upward opening, and a pedal rod 274. The left end of the pedal rod 274 is fixed to the right side wall of the corresponding first fixing rod 23, and the right end of the pedal rod 274 is fixed to the left end of the lower clamping hoop 272. A bolt is fixed to the upper wall of the left end of the lower clamping hoop 272. The right end of the lower clamping hoop 272 is pivotally connected to one end of the upper clamping hoop 271. The other end of the upper clamping hoop 271 is provided with an open slot for clamping the bolt. The upper clamping hoop 271 and the corresponding lower clamping hoop 272 are fixed together by fixing nuts 273. When the upper clamping hoop 271 and the lower clamping hoop 272 are closed, the height of the top of the upper clamping hoop 271 is higher than the height of the upper surface of the corresponding pedal rod 274.

[0064] A limiting hook 28 for hooking the lower end of the second fixing rod 25 is fixedly provided on the right side wall of the left hanging component 22, and a limiting hook 28 is fixedly provided on the left side wall of the right hanging component 22. The limiting hook 28 is composed of a fixed block 281, a fixed hook body 282, a movable hook 283 and a second limiting component 284. The fixed block 281 is fixed to the upper part of the fixed hook body 282, and the movable hook 283 is pivotally connected to the lower part of the second limiting component 284. The second limiting component 284 is located below the movable hook 283. When the movable hook 283 contacts the second limiting component 284, the angle between the movable hook 283 and the fixed hook body 282 is ≤90°, and the fixed block 281 and the movable hook 283 are located on the same side of the fixed hook body 282.

[0065] A well edge 11 is provided above the wellhead 12. An upper portion of the well edge 11 is provided with a protruding groove 14 located directly above the cable installation frame 2. A through-hole is provided at the bottom of the protruding groove 14 and extends vertically therethrough. A rope fixing component 13 for fixing a pull rope 21 is fixed on the side wall of the well edge 11 on both sides of the protruding groove 14. The upper end of the pull rope 21 passes through the through-hole. A first limiting component 211 is provided on one side of the pull rope 21 located above the through-hole so that the pull rope cannot pass through the through-hole.

[0066] Step 03: Loosen the drawstring 21 on the drawstring fixing component 13 to make the two installation components in a vertical state. The construction worker steps on the pedals 274 on both sides of the cable installation frame 2 to enter the inner cavity of the pipeline 1;

[0067] Step 4: Loosen the corresponding fixing nut 273 to open the upper clamp 271 of the clamp assembly 27, insert the cable 3 to be fixed, close the upper clamp 271, and tighten the fixing nut 273;

[0068] Step 05: The construction worker climbs out of the wellhead by stepping on the pedals 274 on both sides of the cable installation frame 2;

[0069] Step 06: Pull the drawstring 21 upward, causing the lower end of the second fixing rod 25 to move upward until the lower end of the second fixing rod 25 is supported by the movable hook 283, and the connecting rod 24 moves to the left and right sides to fix the drawstring 21 to the drawstring fixing component 13;

[0070] Step 07: Cover the manhole.

[0071] The cable installation rack for waterproof laying of pipeline cables described above is characterized in that the length of the two branch ropes 26 is less than twice the distance between the two second fixing rods 25 in the vertical state.

[0072] The cable installation bracket for waterproof laying of pipeline cables described above is characterized in that the length of the second fixing rod 25 is greater than or equal to the length of the first fixing rod 23 .

[0073] The cable installation rack for waterproof laying of pipeline cables described above is characterized in that the distance between the left end of the pedal rod 274 of the left installation component and the right end of the pedal rod 274 of the right installation component is ≥60 cm.

[0074] The cable installation rack for waterproof laying of pipeline cables described above is characterized in that the length of the pedal rod 274 is ≥15 cm.

[0075] The cable installation bracket described above for waterproof installation of pipeline cables is characterized in that when the two second fixing rods 25 are in a horizontal state, neither the leftmost end of the cable installation bracket 2 nor the rightmost end of the cable installation bracket 2 contacts the inner wall of the pipeline 1.

[0076] The utility model has the following beneficial effects:

[0077] 1. The cable installation frame 2 can be used as a ladder. When laying the cable, there is no need to prepare a ladder to enter the inner cavity of the pipeline 1, which improves the laying efficiency of the cable.

[0078] 2. After the laying is completed, it is only necessary to raise the cable installation frame 2 and fix the pull rope 21 so that the cable 3 is located in the upper part of the inner cavity of the pipeline 1, preventing the cable 3 from being immersed in the water in the pipeline 1 for a long time, preventing the cable 3 from being contaminated, and possibly affecting the transmission performance of the cable 3.

[0079] 3. It is convenient to organize the cables. The cables 3 are fixed to the clamp assemblies 27 of the first fixing rod 23 and the second fixing rod 25 in sequence, so that the cables 3 are separated and will not be confused or entangled. It is convenient to quickly find the cables 3 during maintenance, thereby improving maintenance efficiency.

[0080] 4. Different types of cables 3 can be fixed on the two first fixing rods 23 and the two second fixing rods 25 . The first fixing rod 23 and the two second fixing rods 25 can play a role in distinguishing the cables 3 to a certain extent.

[0081] 5. When the upper clamp 271 and the lower clamp 272 are clasped together, the top of the upper clamp 271 is higher than the upper surface of the corresponding pedal 274 , which prevents the construction worker's feet from slipping off the pedal 274 when stepping on the pedal 274 .

[0082] 6. The branch rope 26 can prevent the two second fixing rods 25 from separating to both sides, thereby improving the stability of the cable installation frame 2 when construction workers climb.

[0083] 7. The opening of the lower clamp 272 is fixed upward. When fixing the cable 3, the cable 3 can be directly placed on the lower clamp 272 without having to hold the cable 3 all the time, thereby improving construction efficiency.

[0084] 8. The clamp assembly 27 is an integrated structure, which further improves the construction efficiency and prevents parts from being missed during installation.

[0085] 9. A limiting hook 28 is provided to further fix the position of the second fixing rod 25 after the cable 3 is installed, to prevent the second fixing rod 25 from falling after the pull rope 21 is separated from the first limiting component 211.

[0086] The above embodiments are merely preferred technical solutions of the present invention and should not be construed as limiting the present invention. The scope of protection of the present invention shall be the technical solutions described in the claims, including equivalent alternatives to the technical features of the technical solutions described in the claims. Equivalent alternatives and improvements within this scope are also within the scope of protection of the present invention.

Claims

1. A cable installation frame for anti-immersion laying of pipeline cables, characterized in that: The cable installation frame (2) is composed of two bilaterally symmetrical installation components, wherein the installation components are composed of a suspension component (22), a first fixing rod (23), a connecting rod (24) and a second fixing rod (25); Two suspension components (22) are fixed side by side on the lower wall of the wellhead (12), the upper end of the first fixing rod (23) is pivotally connected to the lower end of the corresponding suspension component (22), the lower end of the first fixing rod (23) is pivotally connected to the upper end of the corresponding connecting rod (24), and the lower end of the connecting rod (24) is pivotally connected to the upper end of the corresponding second fixing rod (25), and all the first fixing rods (23), connecting rods (24) and second fixing rods (25) rotate in the same plane, and the plane is perpendicular to the rotation axis between the suspension component (22) and the corresponding first fixing rod (23); A pull rope (21) and two branch ropes (26) are provided between the two mounting assemblies. The lower ends of the two second fixing rods (25) are respectively fixed to one end of the corresponding branch rope (26), and the other ends of the two branch ropes (26) are fixed to the lower end of the pull rope (21). A plurality of hoop assemblies (27) are fixed at equal intervals from top to bottom on the left side of the first fixing rod (23) on the left side, and a plurality of hoop assemblies (27) are fixed at equal intervals from top to bottom on the right side of the first fixing rod (23) on the right side. The hoop assemblies (27) are composed of a hoop body for fixing the cable (3) and a pedal rod (274). The right end of the pedal rod (274) on the left side is fixed to the left side wall of the first fixing rod (23) on the left side, and the left end of the pedal rod (274) is fixed to the hoop body. The left end of the right pedal rod (274) is fixed to the left side wall of the first fixing rod (23) on the right side, and the left end of the pedal rod (274) is fixed to the hoop body.

2. A cable installation stand for waterproofing pipeline cables according to claim 1, characterized in that: The hoop body on the left side is composed of an upper hoop (271) and a lower hoop (272) with an opening facing upwards. The left end of the pedal rod (274) is fixed to the right end of the lower hoop (272). A bolt is fixed to the upper wall of the right end of the lower hoop (272). The left end of the lower hoop (272) is pivotally connected to one end of the upper hoop (271). The other end of the upper hoop (271) is provided with an open slot capable of clamping the bolt. The upper hoop (271) and the corresponding lower hoop (272) are fixed together by a fixing nut (273). The hoop body on the right side is composed of an upper hoop (271) and a lower hoop (272) with an opening facing upward. The right end of the pedal rod (274) is fixed to the left end of the lower hoop (272). A bolt is fixed to the upper wall of the left end of the lower hoop (272). The right end of the lower hoop (272) is pivotally connected to one end of the upper hoop (271). The other end of the upper hoop (271) is provided with an open slot capable of clamping the bolt. The upper hoop (271) and the corresponding lower hoop (272) are fixed together by a fixing nut (273). When the upper hoop (271) and the lower hoop (272) are closed together, the bolt is located in the open slot and is fixed by the fixing nut (273).

3. The cable installation bracket for waterproof laying of pipeline cables according to claim 2, characterized in that: When the upper hoop (271) and the lower hoop (272) are embraced, the height of the top of the upper hoop (271) is higher than the height of the upper surface of the corresponding pedal (274).

4. The cable installation bracket for waterproof laying of pipeline cables according to claim 3, characterized in that: A protruding groove (14) is provided on the upper part of the well edge (11) directly above the cable installation frame (2), the upper end of the through hole is located at the bottom of the protruding groove (14), and the two ends of the pull rope fixing component (13) are fixed to the two sides of the protruding groove (14) on the side wall of the well edge (11).

5. The cable installation bracket for waterproof laying of pipeline cables according to claim 4, characterized in that: A first limiting component (211) that cannot pass through the through-hole is provided on one side of the drawstring (21) located above the through-hole.

6. The cable installation bracket for waterproof laying of pipeline cables according to claim 5, characterized in that: A limiting hook (28) is fixedly provided on the right side wall of the left hanging component (22) for hooking the lower end of the second fixing rod (25). A limiting hook (28) is fixedly provided on the left side wall of the right hanging component (22). The limiting hook (28) is composed of a fixed block (281), a fixed hook body (282), a movable hook (283) and a second limiting component (284). The fixed block (281) is fixed to the upper part of the fixed hook body (282), and the movable hook (283) is fixed to the second limiting component (284). 4) is pivotally connected to the lower portion, the second limiting component (284) is located below the movable hook (283), when the movable hook (283) contacts the second limiting component (284), the angle between the movable hook (283) and the fixed hook body (282) is ≤90°, the fixed block (281) and the movable hook (283) are located on the same side of the fixed hook body (282), in step 06, the pull rope (21) needs to be pulled to the lower end of the second fixed rod (25) to be supported by the movable hook (283).

7. The cable installation bracket for waterproofing pipeline cables according to claim 6, characterized in that: The lengths of the two branch ropes (26) are less than twice the distance between the two second fixing rods (25) in a vertical state.

8. The cable installation bracket for waterproof laying of pipeline cables according to claim 7, characterized in that: The length of the second fixing rod (25) is greater than or equal to the length of the first fixing rod (23).

9. The cable installation bracket for waterproof laying of pipeline cables according to claim 8, characterized in that: The distance between the left end of the pedal rod (274) of the left mounting assembly and the right end of the pedal rod (274) of the right mounting assembly is ≥60 cm.

10. The cable installation bracket for waterproof laying of pipeline cables according to claim 9, characterized in that: The length of the pedal (274) is ≥15 cm.

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