Fixed supporting frame device for municipal pipeline

By designing a municipal pipeline fixed support frame device including mounting frame, fastening sleeve, support block, telescopic hose and damping fluid, the problem of easy damage to municipal pipelines during earthquakes is solved, the resealing of the pipeline and the vibration reduction of the tightening sleeve is achieved, and the stability and safety of the pipeline system are improved.

CN119900869AInactive Publication Date: 2025-04-29CHINA WATER CONSERVANCY & HYDROPOWER NO 9 ENG BUREAU CO LTD
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Patent Information

Application Number
CN202510398140.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-04-01
Publication Date
2025-04-29
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing municipal pipeline fixed support frame is prone to damage during earthquakes, resulting in pipeline damage or leakage.

Method used

A fixed support frame device including a mounting frame, a fastening sleeve, a support block, a telescopic hose and a damping fluid is designed. The device realizes resealing of the pipeline through a seismic detector and magnetic attachment mechanism during earthquakes, and reduces vibration of the fastening sleeve through hollow ropes and damping fluid.

Benefits of technology

It effectively avoids leakage at municipal pipeline junctions during earthquakes, reduces damage to fastening sleeves, and improves the stability and safety of the pipeline system.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of pipeline supporting frames, in particular to a fixed supporting frame device for municipal pipelines, which comprises a mounting frame and two fastening sleeves, a supporting block is fixed on the side wall of each fastening sleeve, a slot is formed in the side wall of each supporting block, cavities are symmetrically formed in the inner wall of the mounting frame, and the mounting frame and the fastening sleeves are arranged in the cavities. A through hole is formed in the inner wall of the cavity, transverse cavities are symmetrically formed in the inner wall of the mounting frame, an insertion plate is slidably connected to the inner wall of each transverse cavity in a penetrating mode, a trigger mechanism for driving the insertion plate to move is arranged in each transverse cavity, a wedge-shaped hole is formed in the inner wall of each insertion plate, and a vertical plate is slidably connected to the inner wall of each transverse cavity in a penetrating mode; a wedge-shaped block is fixedly connected to the side wall of the vertical plate, an annular plate is fixed to the side wall of the fastening sleeve, a telescopic hose is fixed to the side wall of the annular plate, and an annular plate is fixedly connected to the telescopic hose. According to the anti-seismic connecting device for the municipal pipeline, when the municipal pipeline suffers from an earthquake disaster, rigid connection of the fastening sleeve can be converted into flexible connection, and damage is avoided.
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Description

Technical Field

[0001] The invention relates to the technical field of pipeline support frames, and in particular to a fixed support frame device for municipal pipelines. Background Art

[0002] ‌Municipal pipelines refer to the underground pipeline system composed of various pipelines (such as water supply, drainage, gas, electricity, communications, etc.) within the city. It is usually composed of pipes, wells, gates, etc., forming the main carrier of various public facilities within the city, and is an important part of the city's infrastructure. The main function of municipal pipelines is to provide urban residents with public services such as domestic water, gas, heating, and communications. At the same time, it can also effectively deal with urban wastewater, garbage and other problems. In the process of municipal pipeline construction, fixed support frames are often required. The municipal pipeline fixed support frame is a structural member used to support and fix overhead pipelines. Its main function is to limit pipeline displacement, bear loads and ensure the stability and safety of the pipeline system.‌

[0003] At present, municipal pipeline fixed support frames are often rigidly fixed to the building through bolts and other structures, and the municipal pipeline and the fixed support frame are also rigidly connected to achieve the purpose of fixed support. Then, when encountering natural disasters such as earthquakes, when the earthquake energy level is moderate but still reaches a certain destructive force, combined with the dynamic load generated by the earthquake vibration, it is easy to cause the rigidly connected support frame device to be easily damaged in the earthquake, and the municipal pipeline will also be damaged in the rigid fixed support, resulting in damage or leakage.

[0004] For this purpose, we designed a fixed support frame device for municipal pipelines. Summary of the invention

[0005] The purpose of the present invention is to solve the problems existing in the prior art and to propose a fixed support frame device for municipal pipelines.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions: A fixed support frame device for municipal pipelines comprises a mounting frame and two fastening sleeves, each of the fastening sleeve side walls is fixed with a support block, the support block side walls are provided with a slot, the mounting frame inner wall is symmetrically provided with a cavity, the cavity inner wall is provided with a through hole, the mounting frame inner wall is symmetrically provided with a transverse cavity, each transverse cavity inner wall is penetrated by a plug plate in sliding connection, a trigger mechanism for driving the plug plate to move is provided inside the transverse cavity, the plug plate inner wall is provided with a wedge-shaped hole, the transverse cavity inner wall is penetrated by a vertical plate in sliding connection, the vertical plate side wall is fixedly connected with a wedge block, the fastening sleeve side wall is fixed with an annular plate, the annular plate side wall is fixedly connected with a telescopic hose, the other end of the telescopic hose is fixedly connected with a circular ring plate, the inner side wall of the circular ring plate is fixed with a plurality of telescopic pulley seats, the circular ring plate side wall is provided with a groove, the inner wall of the groove is elastically connected with a wedge-shaped body through a tension spring, the support block side wall is fixedly connected with an L-shaped plate, and the annular plate side wall is elastically connected to the circular ring plate side wall through a plurality of telescopic springs.

[0007] Preferably, the trigger mechanism comprises a permanent magnet embedded in the side wall of the plug plate, an electromagnet is embedded in the inner wall of the transverse cavity, and one end of the plug plate is elastically connected to the inner wall of the transverse cavity via a reset spring.

[0008] Preferably, the inner wall of the cavity is rotatably connected to a rotating shaft, the side wall of the rotating shaft is fixedly connected to a roller, and the side wall of the roller is wrapped and fixedly connected with a hollow rope.

[0009] Preferably, the other end of the hollow rope is fixedly connected to an adjacent support block, and an annular magnet is embedded and installed on the side wall of the circular ring plate.

[0010] Preferably, the inner wall of the cavity is fixedly connected to a box body, the inner wall of the box body is penetrated and fixedly connected to a connecting tube, and the other end of the connecting tube is fixedly connected to the inner wall of the hollow rope.

[0011] Preferably, a piston is sealingly and slidably connected to the inner wall of the box body, an extension plate is fixedly connected to the top of the piston, the side wall of the piston is elastically connected to the inner wall of the box body via a tension spring, and the interior of the box body is filled with damping fluid.

[0012] Preferably, a cam is fixedly connected to the side wall of the rotating shaft, and the cam and the extension plate slide against each other.

[0013] Preferably, one end of the insert plate is inserted into an adjacent slot, the wedge block and the wedge hole slide against each other, the support block is slidably connected to the through hole, and the side wall of the fastening sleeve is evenly threaded with a plurality of fastening bolts.

[0014] Preferably, the L-shaped plate is provided with a rectangular hole for the vertical plate to pass through, the side wall of the wedge-shaped body is in contact with the side wall of the L-shaped plate, and the vertical plate is in contact with the wedge-shaped body after sliding downward for a distance.

[0015] Preferably, a seismic detector is installed on the side wall of the fastening sleeve, the seismic detector is electrically connected to the electromagnet, and the side wall of the rotating shaft is elastically connected to the inner wall of the cavity through a torsion spring.

[0016] Compared with the prior art, the present invention has the following advantages: 1. The user inserts two municipal pipes into two fastening sleeves, then connects the two municipal pipes, completes the fixed support of the municipal pipes by screwing a plurality of fastening bolts, and finally fixes the municipal pipes to the building through the mounting frame to complete the fixed support of the municipal pipes. The operation is simple and convenient, and the fixed support effect is good; 2. When the municipal pipeline is hit by an earthquake disaster, by setting up structures such as seismic detectors, permanent magnets and circular plates, the early warning of the seismic detectors is used to trigger the telescopic spring to extend from a compressed state to drive the circular plate to slide, and the circular plate drives the telescopic hose fixedly connected to its side wall to move until the two circular plates are in contact with each other and are magnetically attracted under the strong magnetic attraction of the annular magnet. Then, the two sections of the telescopic hose can re-seal the connection between the two municipal pipelines to avoid partial leakage at the municipal pipeline connection caused by vibration; 3. During the sliding process of the plug plate, one end of the plug plate will also be detached from the inside of the slot, then the fastening sleeve will drive the support block to move downward under the action of gravity, and the support block will drive the hollow rope fixedly connected to it to move synchronously, so that the rigid connection of the fastening sleeve is transformed into a flexible connection. Then, under the suspension effect of the hollow rope, the vibration of the fastening sleeve can move synchronously, thereby avoiding damage caused by the rigid connection; 4. During the movement of the hollow rope, the hollow rope will also drive the roller to rotate. By setting structures such as cams, pistons and box bodies, the piston squeezes the damping liquid filled in the box body into the hollow rope for circulation. Adding damping liquid into the hollow rope can shorten the swing or movement time of the rope, because the damping liquid is an oily liquid. Its main function is to attenuate the kinetic energy of the moving machine through its viscous resistance. When the damping liquid is added to the hollow rope, the rope will be subject to the resistance of the damping liquid during movement or swinging, thereby slowing down its movement speed and shortening the swing or movement time, thereby avoiding damage to the municipal pipeline in the fastening casing caused by shaking, thereby protecting the municipal pipeline. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a structural schematic diagram of a fixed support frame device for municipal pipelines proposed by the present invention; Figure 2 for Figure 1 A magnified schematic diagram of the structure of part A; Figure 3 for Figure 1A magnified schematic diagram of the structure of part B; Figure 4 This is a schematic diagram of the structure inside a box body in a fixed support frame device for municipal pipelines proposed by the present invention; Figure 5 This is a schematic diagram of the structure inside a groove in a fixed support frame device for municipal pipelines proposed by the present invention; Figure 6 for Figure 5 A magnified schematic diagram of the structure of part C in the middle; Figure 7 This is a schematic diagram of the appearance of a fixed support frame device for municipal pipelines proposed by the present invention.

[0018] In the figure: 1, mounting frame; 2, cavity; 3, torsion spring; 4, support block; 5, fastening sleeve; 6, rotating shaft; 7, slot; 8, plug plate; 9, wedge hole; 10, wedge block; 11, vertical plate; 12, return spring; 13, electromagnet; 14, roller; 15, hollow rope; 16, annular plate; 17, telescopic hose; 18, circular ring plate; 19, groove; 20, tension spring; 21, wedge; 22, L-shaped plate; 23, permanent magnet; 25, seismic detector; 26, box body; 27, piston; 28, extension plate; 29, cam; 30, tension spring; 31, connecting pipe; 33, telescopic spring; 34, telescopic pulley seat; 35, rectangular hole; 39, annular magnet; 40, fastening bolt; 41, through hole; 42, horizontal cavity. DETAILED DESCRIPTION

[0019] 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.

[0020] Reference Figure 1 - Figure 7 A fixed support frame device for municipal pipelines includes a mounting frame 1 and two fastening sleeves 5, each fastening sleeve 5 has a support block 4 fixed to its side wall, and a slot 7 (such as Figure 1 and Figure 3 As shown, the inner wall of the mounting frame 1 is symmetrically provided with a cavity 2, the inner wall of the cavity 2 is provided with a through hole 41, the support block 4 is slidably connected with the adjacent through hole 41 and can be separated after unlimited position, and the inner wall of the mounting frame 1 is symmetrically provided with a horizontal cavity 42 (as shown Figure 1 and Figure 2As shown), each transverse cavity 42 inner wall is penetrated by a plug plate 8 for sliding connection, a trigger mechanism for driving the plug plate 8 to move is arranged inside the transverse cavity 42, a wedge-shaped hole 9 is provided on the inner wall of the plug plate 8, a vertical plate 11 is penetrated by the inner wall of the transverse cavity 42 for sliding connection, a wedge-shaped block 10 is fixedly connected to the side wall of the vertical plate 11, an annular plate 16 is fixedly connected to the side wall of the fastening sleeve 5, a telescopic hose 17 is fixedly connected to the side wall of the annular plate 16, the telescopic hose 17 is of prior art and is made of rubber or plastic material, a circular plate 18 is fixedly connected to the other end of the telescopic hose 17, a plurality of telescopic pulley seats 34 are fixedly arranged on the inner wall of the circular plate 18, a spring is installed inside the telescopic pulley seat 34, and then under the elastic force of the spring, the pulley portion of the telescopic pulley seat 34 can always roll against the side wall of the municipal pipeline, and a groove 19 is provided on the side wall of the circular plate 18 (as shown Figure 6 As shown in the figure, a tension spring 20 is fixedly connected to the inner wall of the groove 19, and a wedge 21 is fixedly connected to the other end of the tension spring 20. The wedge 21 is slidably connected to the side wall of the groove 19, and an L-shaped plate 22 is fixedly connected to the side wall of the support block 4. A plurality of telescopic springs 33 are evenly fixedly connected to the side wall of the annular plate 16, and the other end of the telescopic spring 33 is fixedly connected to the side wall of the circular ring plate 18.

[0021] The trigger mechanism includes a permanent magnet 23 embedded in the side wall of the plug plate 8, and an electromagnet 13 embedded in the inner wall of the transverse cavity 42. The electromagnet 13 has its own power supply and can be controlled by an external switch. The electromagnet 13 generates magnetism after being energized, and the magnetism of the energized electromagnet 13 and the magnetism of the permanent magnet 23 are opposite to each other and form a magnetic attraction force. A reset spring 12 is fixedly connected to one end of the plug plate 8, and the other end of the reset spring 12 is fixedly connected to the inner wall of the transverse cavity 42. When the electromagnet 13 is powered off, the plug plate 8 can slide in the opposite direction to be reset under the pulling force of the reset spring 12.

[0022] The inner wall of the cavity 2 is rotatably connected to a rotating shaft 6, a roller 14 is fixedly connected to the side wall of the rotating shaft 6, and a hollow rope 15 is fixedly connected around the side wall of the roller 14. The hollow rope 15 is only wound a small amount around the side of the roller 14 instead of being wound multiple times to control the length of the hollow rope 15 extending from the inside of the cavity 2.

[0023] The other end of the hollow rope 15 is fixedly connected to the adjacent support block 4. The side wall of the circular ring plate 18 is embedded with an annular magnet 39. The annular magnets 39 arranged on the side walls of the two circular ring plates 18 have opposite polarities and form a magnetic attraction force on each other.

[0024] The inner wall of the cavity 2 is fixedly connected to a box body 26 (such as Figure 1 and Figure 4As shown in the figure, the box body 26 is filled with damping liquid. The damping liquid is an oily liquid of the prior art, which can reduce the kinetic energy of the moving machine by relying on the viscous resistance of the liquid medium and can shorten the mechanical swing or movement time. A connecting pipe 31 is fixedly connected to the inner wall of the box body 26, and the other end of the connecting pipe 31 is fixedly connected to the inner wall of the hollow rope 15, so that the damping liquid in the box body 26 can enter the hollow rope 15 through the connecting pipe 31. When the interior of the hollow rope 15 is not filled with the damping liquid, it is in a deflated state.

[0025] The inner wall of the box body 26 is sealingly and slidably connected with a piston 27 , the top of the piston 27 is fixedly connected with an extension plate 28 , the side wall of the piston 27 is fixedly connected with a tension spring 30 , and the other end of the tension spring 30 is fixedly connected to the inner wall of the box body 26 .

[0026] A cam 29 is fixedly connected to the side wall of the rotating shaft 6 , and the cam 29 and the extension plate 28 slide against each other. When the protrusion of the cam 29 moves away from the extension plate 28 , under the elastic force of the tension spring 30 , the damping fluid inside the hollow rope 15 will flow back into the box body 26 .

[0027] One end of the insert plate 8 is inserted into the adjacent slot 7 , the wedge block 10 and the wedge hole 9 slide against each other, and a plurality of fastening bolts 40 are evenly threadedly connected to the side wall of the fastening sleeve 5 .

[0028] The L-shaped plate 22 is provided with a rectangular hole 35 (such as Figure 2 As shown in the figure, the side wall of the wedge-shaped body 21 is in contact with the side wall of the L-shaped plate 22, and the vertical plate 11 slides downward for a distance and then contacts with the wedge-shaped body 21. When the vertical plate 11 continues to move downward, it can push the wedge-shaped body 21 to move downward synchronously until the side wall of the wedge-shaped body 21 is no longer in contact with the side wall of the L-shaped plate 22, thereby releasing the limit of the L-shaped plate 22 on the wedge-shaped body 21.

[0029] A seismic detector 25 is installed on the side wall of the fastening sleeve 5. The seismic detector 25 is a prior art. The seismic detector 25 is electrically connected to the electromagnet 13. A torsion spring 3 is fixedly connected to the side wall of the rotating shaft 6. The other end of the torsion spring 3 is fixedly connected to the inner wall of the cavity 2. The torsion spring 3 can assist the rotating shaft 6 to drive the roller 14 to rotate in the opposite direction for resetting.

[0030] In the present invention, the user inserts two municipal pipes into two fastening sleeves 5, then connects the two municipal pipes, fixes the municipal pipes by screwing a plurality of fastening bolts 40, and finally fixes the municipal pipes to the building through the mounting frame 1 to complete the fixed support of the municipal pipes.

[0031] When the municipal pipeline fixedly supported at the bottom of the mounting frame 1 is hit by an earthquake disaster, since the seismic detector 25 is installed on the fastening sleeve 5, the seismic detector 25 is a sensor that converts ground vibration into electrical signals. It can sense the tiny displacement in the early stage of an earthquake and convert it into electrical signals for recording and analysis. Then the seismic detector 25 will energize the electromagnet 13 electrically connected to it. The energized electromagnet 13 and the adjacent permanent magnet 23 have opposite polarities and form a magnetic attraction to each other. Then, under the action of the magnetic attraction, the permanent magnet 23 will drive the plug plate 8 to slide for a distance. Since the wedge-shaped hole 9 and the wedge-shaped block 10 opened on the inner wall of the plug plate 8 slide against each other, during the sliding process of the plug plate 8, it will first push the wedge-shaped block 10 to drive the vertical plate 11 to move downward for a distance until the bottom end of the vertical plate 11 and the wedge-shaped block 10 meet. The bodies 21 are pressed against each other, thereby pushing the wedge-shaped body 21 to slide a certain distance inside the groove 19, so that the side wall of the wedge-shaped body 21 will not contact with the side wall of the L-shaped plate 22, and under the elastic force of multiple telescopic springs 33, the telescopic springs 33 will extend from the compressed state to drive the circular ring plate 18 to slide, and the roller parts of multiple telescopic pulley seats 34 provided inside the circular ring plate 18 always roll against the side wall of the municipal pipeline, then the multiple telescopic springs 33 will drive the circular ring plate 18 to move, and the circular ring plate 18 drives the telescopic hose 17 fixedly connected to its side wall to move, until the two circular ring plates 18 are in contact with each other, and are magnetically attracted under the strong magnetic attraction of the annular magnet 39, thereby re-sealing the connection between the two municipal pipelines to avoid partial leakage at the municipal pipeline connection caused by vibration.

[0032] Then, during the sliding process of the plug plate 8, one end of the plug plate 8 will be disengaged from the slot 7, and the fastening sleeve 5 will drive the support block 4 to move downward under the action of gravity, and the support block 4 will drive the hollow rope 15 fixedly connected to it to move synchronously, so that the rigid connection of the fastening sleeve 5 is transformed into a flexible connection. Then, under the suspension effect of the hollow rope 15, the vibration of the fastening sleeve 5 can move synchronously, thereby avoiding damage caused by the rigid connection.

[0033] During the movement of the hollow rope 15, the hollow rope 15 will also drive the roller 14 to rotate, and the roller 14 will drive the rotating shaft 6 to rotate synchronously, so that the rotating shaft 6 drives the cam 29 to rotate. Figure 1 and Figure 4As shown, the raised portion of the cam 29 will rotate from the upper position to the lower position, that is, the cam 29 rotates one hundred and eighty degrees. During this process, the raised portion of the cam 29 will drive the extension plate 28 that slides against it to move from the uppermost end of the stroke to the lowermost end of the stroke. Then the extension plate 28 will drive the piston 27 to slide downward in a sealed manner inside the box body 26, and then the piston 27 squeezes the damping liquid filled in the box body 26 into the hollow rope 15 for circulation. Adding damping liquid to the hollow rope 15 can shorten the swing or movement time of the rope, because the damping liquid is an oily liquid, and its main function is to attenuate the kinetic energy of the moving machine through its viscous resistance. When the damping liquid is added to the hollow rope 15, the rope will be subject to the resistance of the damping liquid during movement or swinging, thereby slowing down its movement speed and shortening the swing or movement time, thereby avoiding damage to the municipal pipeline in the fastening sleeve 5 caused by shaking, thereby protecting the municipal pipeline.

[0034] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A fixed support frame device for a municipal pipeline, comprising a mounting frame (1) and two fastening sleeves (5), characterized in that: A support block (4) is fixed to the side wall of each of the fastening sleeves (5), and a slot (7) is provided on the side wall of the support block (4). A cavity (2) is symmetrically provided on the inner wall of the mounting frame (1), and a through hole (41) is provided on the inner wall of the cavity (2). A transverse cavity (42) is symmetrically provided on the inner wall of the mounting frame (1). A plug plate (8) is slidably connected to the inner wall of each of the transverse cavities (42), and a trigger mechanism for driving the plug plate (8) to move is provided inside the transverse cavity (42). A wedge-shaped hole (9) is provided on the inner wall of the plug plate (8). A vertical plate (11) is slidably connected to the inner wall of the horizontal cavity (42), and a wedge-shaped block (10) is fixedly connected to the side wall of the vertical plate (11). An annular plate (16) is fixedly provided on the side wall of the fastening sleeve (5), and a A telescopic hose (17), the other end of the telescopic hose (17) being fixedly connected to a circular ring plate (18), the inner side wall of the circular ring plate (18) being fixedly connected to a plurality of telescopic pulley seats (34), the side wall of the circular ring plate (18) being provided with a groove (19), the inner wall of the groove (19) being elastically connected to a wedge-shaped body (21) via a tension spring (20), the side wall of the support block (4) being fixedly connected to an L-shaped plate (22), the side wall of the annular plate (16) being elastically connected to the side wall of the circular ring plate (18) via a plurality of telescopic springs (33); the trigger mechanism comprising a permanent magnet (23) embedded in the side wall of the plug plate (8), an electromagnet (13) embedded in the inner wall of the transverse cavity (42), and one end of the plug plate (8) being elastically connected to the inner wall of the transverse cavity (42) via a reset spring (12).

2. A fixed support frame device for municipal pipelines according to claim 1, characterized in that: The inner wall of the cavity (2) is rotatably connected to a rotating shaft (6), the side wall of the rotating shaft (6) is fixedly connected to a roller (14), and the side wall of the roller (14) is wound and fixedly connected to a hollow rope (15).

3. A fixed support frame device for municipal pipelines according to claim 2, characterized in that: The other end of the hollow rope (15) is fixedly connected to an adjacent support block (4), and a ring magnet (39) is embedded and installed on the side wall of the circular ring plate (18).

4. A fixed support frame device for municipal pipelines according to claim 2, characterized in that: The inner wall of the cavity (2) is fixedly connected to a box body (26), and a connecting tube (31) is passed through and fixedly connected to the inner wall of the box body (26), and the other end of the connecting tube (31) is fixedly connected to the inner wall of the hollow rope (15).

5. A fixed support frame device for municipal pipelines according to claim 4, characterized in that: The inner wall of the box body (26) is sealingly and slidably connected to a piston (27), the top of the piston (27) is fixedly connected to an extension plate (28), the side wall of the piston (27) is elastically connected to the inner wall of the box body (26) via a tension spring (30), and the interior of the box body (26) is filled with damping fluid.

6. A fixed support frame device for municipal pipelines according to claim 5, characterized in that: A cam (29) is fixedly connected to the side wall of the rotating shaft (6), and the cam (29) and the extension plate (28) slide against each other.

7. A fixed support frame device for municipal pipelines according to claim 1, characterized in that: One end of the insert plate (8) is inserted into the adjacent slot (7), the wedge block (10) and the wedge hole (9) slide against each other, the support block (4) is slidably connected to the through hole (41), and the side wall of the fastening sleeve (5) is evenly threadedly connected with a plurality of fastening bolts (40).

8. A fixed support frame device for municipal pipelines according to claim 1, characterized in that: The L-shaped plate (22) is provided with a rectangular hole (35) for the vertical plate (11) to pass through, the side wall of the wedge-shaped body (21) is in contact with the side wall of the L-shaped plate (22), and the vertical plate (11) is in contact with the wedge-shaped body (21) after sliding downward for a distance.

9. A fixed support frame device for municipal pipelines according to claim 2, characterized in that: A seismic detector (25) is installed on the side wall of the fastening sleeve (5), and the seismic detector (25) is electrically connected to the electromagnet (13). The side wall of the rotating shaft (6) is elastically connected to the inner wall of the cavity (2) via a torsion spring (3).

Citation Information

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