A pipeline construction support structure

By constructing a water storage cavity and a water pumping mechanism inside the support plate, soil moisture is infiltrated through the filter holes and a dust suppression water curtain is sprayed out, which solves the problem of instability of the support structure caused by water content in the soil outside the steel sheet pile, and realizes the stability and deformation monitoring function of the support structure.

CN120926316BActive Publication Date: 2026-01-13SICHUAN BODE ANT NEST CONSTR ENG CO LTD
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Patent Information

Application Number
CN202511455911.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-10-13
Publication Date
2026-01-13
Estimated Expiration
2045-10-13

AI Technical Summary

Technical Problem

In existing pipeline construction, the soil outside the sheet piles contains water, which makes the support structure unstable and unable to reliably support the trench or foundation pit.

Method used

A water storage chamber is constructed inside the support plate, and water from the soil is allowed to seep into the water storage chamber through filter holes. A water pumping mechanism is used to pump the water out of the nozzles and spray out a dust-suppressing water curtain. The nozzles deflect synchronously with the attitude of the filter plate, providing stability and reliability to the support structure.

Benefits of technology

By reducing the extra pressure on the outside of the support plate by the water in the water storage chamber, the sprayed dust-suppressing water curtain not only enhances the stability of the support structure, but also visually indicates the direction of soil deformation, making it easy to carry out targeted reinforcement.

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Abstract

The application discloses a pipeline construction supporting structure, which comprises a supporting plate attached to a soil body, a water storage cavity is arranged in the supporting plate, and a filter hole communicating with the water storage cavity is arranged on the attached surface of the supporting plate. The filter hole is adapted to stop the soil and allow water to penetrate into the water storage cavity. The water in the soil can penetrate into the water storage cavity through the filter hole, thereby reducing the additional pressure on the outside of the supporting plate, so that the supporting structure is more stable and reliable. The water in the water storage cavity can be pumped out from a nozzle through a water pumping mechanism, and the pumped water mist can realize dust fall of air, thereby widening the use function of the supporting structure.
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Description

Technical Field

[0001] This invention relates to the field of pipeline engineering technology, and in particular, to a pipeline construction support structure. Background Technology

[0002] Pipeline engineering is an important component of municipal engineering and a vital basic infrastructure for cities. Municipal pipeline construction encompasses many types, primarily categorized by function into six main types: water supply pipelines, drainage pipelines, gas pipelines, heating pipelines, power cables, and telecommunications cables. In practice, trench or pit excavation is often required, and these trenches or pits need to be supported to prevent collapse.

[0003] Currently, Chinese patent CN221545649U discloses a support structure for municipal pipeline trenches, including a support column in the middle and sheet piles on both sides of the support column. Support for the trench sides is achieved by the support column pushing against the sheet piles on both sides. However, the soil outside the sheet piles usually contains moisture, which causes additional pressure on the outside of the sheet piles, ultimately leading to unreliability and instability of the support structure. Summary of the Invention

[0004] The purpose of this invention is to overcome the shortcomings of the prior art and provide a pipeline construction support structure.

[0005] The objective of this invention is achieved through the following technical solution:

[0006] A pipeline construction support structure includes a support plate that adheres to the soil, the support plate having a water storage cavity inside, and a filter hole communicating with the water storage cavity provided on the surface of the support plate, the filter hole being adapted to block soil while allowing water to seep into the water storage cavity.

[0007] Preferably, a nozzle is provided on the top of the support plate, and a water pumping mechanism is provided in the water storage cavity, which can pump water from the water storage cavity out of the nozzle.

[0008] Preferably, the support plates are arranged symmetrically on both sides, and a support mechanism is connected between the corresponding support plates on both sides.

[0009] Preferably, the nozzle is an atomizing nozzle.

[0010] Preferably, a filter plate is movably provided on the side of the support plate, the filter holes are constructed on the filter plate, the nozzle is adapted to spray a dust-suppressing water curtain, and the nozzle is also adapted to deflect synchronously with the tilt of the filter plate, so that the dust-suppressing water curtain and the filter plate have the same posture change trend.

[0011] Preferably, an electric pan-tilt unit is provided on the top of the filter plate, the nozzle is provided on the electric pan-tilt unit, and an angle sensor is provided on the filter plate, the angle sensor being electrically connected to the drive unit of the electric pan-tilt unit.

[0012] Preferably, the pumping mechanism includes a bladder disposed within the water storage chamber, a water inlet chamber constructed within the filter plate, filter holes constructed only at the top of the mating surface of the filter plate, the bladder being connected to the bottom of the water inlet chamber via a water inlet pipe, a one-way valve being disposed within the water inlet pipe, the one-way valve being adapted to allow fluid to flow towards the bladder, and the bladder being connected to the nozzle via a water supply pipe; when the filter plate is pressurized, the bladder is squeezed, thereby pumping water into the nozzle.

[0013] Preferably, a mounting base is rotatably disposed on the top surface of the support plate, the nozzle is disposed on the mounting base, and the rotating shaft of the mounting base extends into the water storage cavity; a drive belt is arranged transversely on the inner side of the filter plate, a gear is disposed on the rotating shaft of the mounting base, and a toothed structure is disposed on the drive belt, the toothed structure meshing with the gear; an adjusting roller is rotatably disposed on the inner side of the filter plate, and the end of the drive belt is wound around the adjusting roller; a drive rack is hinged to the inner wall of the water storage cavity, and a spring is connected to the drive rack, the spring being used to drive the drive rack to abut and mesh with the adjusting roller.

[0014] Preferably, the top surface of the support plate has an installation port, and the nozzle includes a plate body and a nozzle disposed on the plate body. The plate body is movably disposed within the installation port. A plurality of first push rods are arranged circumferentially on the inner wall of the water storage cavity, and the first push rods are slidably disposed laterally. A plurality of second push rods are arranged circumferentially on the inner wall of the installation port, and the second push rods are slidably disposed laterally. The plurality of first push rods and the plurality of second push rods correspond one-to-one, and the sliding cavities of the corresponding first push rods and second push rods are connected by a pipeline, and the pipeline is filled with fluid. The scaling ratio of the filter plate to the plate body is k. When the filter plate pushes the first push rod inward to a displacement stroke of S1, the corresponding second push rod undergoes an ejection stroke of S1 / k.

[0015] The beneficial effects of this invention are:

[0016] 1. Moisture in the soil can seep into the water storage chamber through the filter holes, thereby reducing the additional pressure on the outside of the support plate and making the support structure more stable and reliable. Furthermore, the water in the water storage chamber can be pumped out from the nozzles by the water pumping mechanism, and the pumped water mist can suppress dust in the air, thus broadening the functionality of the support structure of this invention.

[0017] 2. The nozzles can spray a dust-suppressing water curtain, and the nozzles can also deflect synchronously with the posture changes of the filter plate, so that the dust-suppressing water curtain has the same posture change trend as the filter plate. Operators can observe the posture of the dust-suppressing water curtain to intuitively see the deformation direction of the soil, so as to facilitate targeted reinforcement of the support structure in the future. Attached Figure Description

[0018] Figure 1 This is a top view of the structure under the support condition in the embodiment.

[0019] Figure 2 This is a schematic diagram of the side structure of the support plate;

[0020] Figure 3 This is a schematic diagram of the water intake pipe.

[0021] Figure 4 This is a schematic diagram of the cyst's structure;

[0022] Figure 5 This is a structural diagram of the drive belt (from left to right, these are diagrams of the filter plate in its initial state, tilted state, and compressed state).

[0023] Figure 6 This is a structural diagram of the first push rod and the second push rod;

[0024] Figure 7 for Figure 6 Enlarged view of part A.

[0025] Reference numerals: 1. Support plate; 2. Water storage chamber; 3. Filter hole; 4. Nozzle; 5. Pumping mechanism; 6. Supporting mechanism; 7. Filter plate; 8. Dust suppression water curtain; 9. Electric pan-tilt head; 10. Tilt sensor; 11. Bag body; 12. Water inlet chamber; 13. Water inlet pipe; 15. Water supply pipe; 16. Mounting base; 17. Drive belt; 18. Gear; 20. Adjusting roller; 21. Drive rack; 22. Mounting port; 23. Plate body; 24. Nozzle; 25. First push rod; 26. Second push rod; 28. Water pump; 29. ​​Water intake pipe; 30. Soil; 31. Elastic belt. Detailed Implementation

[0026] The technical solution of the present invention will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0027] like Figures 1 to 7As shown, a pipeline construction support structure includes a support plate 1 that adheres to the soil 30. For example, the support plate 1 can be arranged symmetrically on both sides to support the trench or foundation pit used for burying the pipeline. A support mechanism 6 can also be adapted between the corresponding support plates 1 on both sides to further enhance the top support force.

[0028] Publication numbers CN115710914A, CN218148412U, and CN221545649U all disclose similar support mechanisms 6. These support mechanisms 6 provide strong support, particularly against the tilting collapse of the soil 30 in the vertical plane, thus improving the support performance of the retaining structure in this dimension. The specific structure of the support mechanism 6 can be referenced from existing technologies and will not be elaborated upon here.

[0029] Unlike existing technologies, the support plate 1 of this invention has a water-storage cavity 2, and the contact surface between the support plate 1 and the soil 30 is provided with filter holes 3 communicating with the water-storage cavity 2. With the stop provided by the filter holes 3, the soil is isolated from the outside of the support plate 1, while water in the soil 30 can seep into the water-storage cavity 2 through the filter holes 3. Compared with traditional support structures, water in the soil 30 can flow into and be stored in the water-storage cavity 2, which eliminates the additional pressure on the support plate 1 caused by water in the soil 30, making the support structure more reliable and stable.

[0030] In some embodiments, a nozzle 4 is preferably provided on the top of the support plate 1, and a water pumping mechanism 5 is also provided in the water storage chamber 2, which can pump water from the water storage chamber 2 out of the nozzle 4. For example, the nozzle 4 can be an atomizing nozzle 4. In one possible example, the water pumping mechanism 5 can be a water pump 28 and a water intake pipe 29 extending into the water storage chamber 2. Under the action of the water pump 28, the water intake pipe 29 can draw water collected in the water storage chamber 2 until the water is sprayed out through the nozzle 4. Through atomization by the nozzle 4, water mist is sprayed into the air, thereby achieving dust suppression in the air.

[0031] For example, a filter mechanism such as filter cotton can be installed in the flow path of the pumping mechanism 5 to purify the water mist sprayed from the nozzle 4 as much as possible. Alternatively, filter material can be placed in the water storage chamber 2 to purify the water.

[0032] In another configuration, a filter plate 7 is spring-loaded onto the side of the support plate 1, with its outer surface forming the contact surface with the soil 30 as described above. Filter holes 3 are also correspondingly constructed on the filter plate 7. Specifically, the filter plate 7 has an inlet chamber 12 internally, and the filter holes 3 are constructed on the top of the filter plate 7 and communicate with the inlet chamber 12. Figure 4 As can be seen, the bottom of the filter plate 7 is a sealed structure, which allows water in the soil 30 to seep in through the filter holes 3 and be stored in the water inlet chamber 12.

[0033] The water pumping mechanism 5 includes a bladder 11 disposed within the water storage chamber 2, and the bladder 11 is connected to the bottom of the water inlet chamber 12 via a water inlet pipe 13. A one-way valve is installed within the water inlet pipe 13, which is adapted to allow water to flow only to the bladder 11. The bladder 11 is connected to the nozzle 4 via a water supply pipe 15.

[0034] It is understood that the water that seeps into the water inlet chamber 12 will flow into the bladder 11 through the water inlet pipe 13. As the soil 30 deforms, the soil 30 will exert a gradually increasing squeezing force on the filter plate 7, which will then compress the bladder 11, thereby causing the water in the bladder 11 to be pumped into the nozzle 4 through the water supply pipe 15.

[0035] On the one hand, the pumping mechanism 5 in this configuration uses the squeezing force of the soil 30 as the power source for pumping water; on the other hand, by observing whether the nozzle 4 sprays water, it can be known whether the soil 30 has deformed, and by observing the amount of water sprayed from the nozzle 4, the degree of deformation of the soil 30 can also be reflected to a certain extent.

[0036] In some embodiments, the nozzle 4 is preferably adapted to spray a dust-suppressing water curtain 8. For example, the nozzle 4 may consist of multiple nozzles 24 arranged side by side. When the water pumping mechanism 5 drives the nozzles 24 to spray water mist, the multiple nozzles 24 cooperate to form a water curtain. In addition, the nozzle 4 is preferably adapted to deflect synchronously with the tilt of the filter plate 7, which will also make the dust-suppressing water curtain 8 have the same attitude change trend as the filter plate 7.

[0037] The phrase "posture change trend" means that, for example, when the filter plate 7 tilts in the vertical plane, the dust suppression water curtain 8 will also tilt in the corresponding direction. Through the dust suppression water curtain 8, on-site operators can intuitively see the deformation direction of the soil 30, thereby enabling targeted reinforcement of the support structure, such as adding additional support columns at corresponding locations according to the deformation direction to improve support performance.

[0038] In one example, a motorized pan-tilt unit 9 may be mounted on the top of the filter plate 7, and the nozzle 4 is mounted on the motorized pan-tilt unit 9. Furthermore, a tilt sensor 10 is mounted on the filter plate 7, and the tilt sensor 10 is electrically connected to the drive unit of the motorized pan-tilt unit 9; for example, both can receive power signals via the same controller. When the soil 30 deforms, the filter plate 7 will tilt accordingly. The tilt sensor 10 can detect the tilt state of the filter plate 7, and the detection result is transmitted to the controller. The controller then controls the motorized pan-tilt unit 9 to perform the corresponding drive action, so that the dust-suppressing water curtain 8 sprayed from the nozzle 4 has the same tilt attitude as the filter plate 7.

[0039] The electric gimbal 9 can be a multi-degree-of-freedom gimbal from existing technology, which allows the dust-suppressing water curtain 8 sprayed from the nozzle 4 to reproduce the tilt posture of the filter plate 7 to the greatest extent, thereby providing a more intuitive and accurate indication of the deformation direction of the soil 30. In particular, it can provide an indication of the deflection deformation of the soil 30 on the horizontal plane.

[0040] In another configuration, the nozzle 4 is mounted on a mounting base 16 that is rotatably mounted on the top surface of the support plate 1. The shaft of the mounting base 16 is specifically adapted to extend into the water storage chamber 2, and a drive belt 17 is laterally arranged on the inner side of the filter plate 7. A gear 18 is mounted on the shaft of the mounting base 16, and a toothed structure is provided on the drive belt 17. It can be imagined that the toothed structure can mesh with the gear 18, allowing the drive belt 17 and the shaft to cooperate in a pulley-like transmission configuration.

[0041] When the soil 30 undergoes deflection deformation on the horizontal plane, one end of the drive belt 17 will move away from the shaft, while the other end will move closer to the shaft. This causes relative movement between the toothed structure and the gear 18. As a result, the gear 18 will drive the mounting base 16 and the nozzle 4 to deflect, which means that the dust-suppressing water curtain 8 will also deflect on the horizontal plane, so that the dust-suppressing water curtain 8 and the filter plate 7 have the same tendency to change posture.

[0042] In reality, the deformation direction of soil 30 in the vertical plane is relatively unique. For example, soil 30 always tends to deform and collapse from the top into the trench or foundation pit. Therefore, in this example, the deformation direction of soil 30 in the vertical plane does not need to be monitored, and a more mechanized and cost-effective nozzle 4 deflection drive method is also provided.

[0043] However, as the soil 30 biases towards the support plate 1, the filter plate 7 will gradually retract into the support plate 1. At this time, the drive belt 17 may gradually disengage from the gear 18. To address this, in this configuration, an adjusting roller 20 is rotatably mounted on the inner side of the filter plate 7, and the end of the drive belt 17 is wound around the adjusting roller 20. In addition, a drive rack 21 is hinged to the inner wall of the water storage cavity 2, and a spring is connected to the drive rack 21. Under the elastic force of the spring, the drive rack 21 will abut against and engage with the adjusting roller 20. The following will exemplarily illustrate the possible usage process and state of the support structure of this configuration:

[0044] 1. As the soil 30 deflects and deforms on the horizontal plane, the filter plate 7 deflects circumferentially on the horizontal plane accordingly. The toothed structure on the drive belt 17 pulls the gear 18 to rotate, thereby causing the nozzle 4 to deflect. This makes the dust-suppressing water curtain 8 and the filter plate 7 have the same tendency to change posture, thus allowing the deformation of the soil 30 to be visually observed. During this process, the adjusting roller 20 pushes the drive rack 21 to swing slightly, maintaining the meshing state between the drive rack 21 and the adjusting roller 20.

[0045] 2. As the soil 30 presses the filter plate 7 inward, the filter plate 7 is further retracted into the support plate 1. At this time, the adjusting roller 20 moves along the drive rack 21, thereby driving the adjusting roller 20 to rotate, causing the drive belt 17 to be further wound around the adjusting roller 20. As the drive belt 17 tightens, it remains engaged with the gear 18. This prevents the drive belt 17 from disengaging from the gear 18, which could cause the nozzle 4 to fail to respond and synchronize with the horizontal deflection of the filter plate 7.

[0046] For example, the adjusting roller 20 may also be equipped with a gear structure for meshing transmission with the drive rack 21.

[0047] In another configuration, a mounting port 22 may be provided on the top surface of the support plate 1, and the nozzle 4 includes a plate body 23 and a nozzle 24 disposed on the plate body 23. The plate body 23 is spring-loaded and fitted into the mounting port 22, and the plate body 23 is a scaled-down size of the filter plate 7, for example, the scaling ratio between the filter plate 7 and the plate body 23 may be k.

[0048] Several first push rods 25 are circumferentially arranged on the inner wall of the water storage chamber 2, and several second push rods 26 are circumferentially arranged on the inner wall of the mounting port 22. Both the first push rods 25 and the second push rods 26 are adapted to slide laterally, and are arranged in a one-to-one correspondence. This one-to-one correspondence not only refers to a quantitative correspondence but also satisfies the following condition: the coordinate position of the first push rod 25 relative to the filter plate 7 and the coordinate position of the second push rod 26 relative to the plate 23 are also corresponding.

[0049] The term "lateral" as used above refers to a direction that is roughly perpendicular to the vertical plane, that is, the direction in which the filter plate 7 is incorporated into the support plate 1.

[0050] The first push rod and the second push rod can be constructed as in the prior art of a cylinder or a hydraulic cylinder. The sliding chambers (or cylinder bodies) of the first push rod 25 and the second push rod 26 are also adapted to be connected by a pipeline (not shown in the figure), and the pipeline is filled with fluid. For example, the pipeline can be connected by a pipe, or it can be connected by a flow channel opened in the support plate 1.

[0051] In this configuration, regardless of the direction in which the filter plate 7 tilts, it will push the corresponding first push rod 25 to retract. At this time, under hydraulic pressure, the corresponding second push rod 26 will be pushed out. It can be understood that if the push stroke of the second push rod 26 is appropriate, it can drive the plate 23 to undergo the same or even the same posture change as the filter plate 7.

[0052] For example, the sliding cavity areas of the first push rod 25 and the second push rod 26 can be controlled so that when the first push rod 25 undergoes a contraction stroke S1, the second push rod 26 undergoes an ejection stroke S2. This satisfies the condition S1 = k * S2, meaning the second push rod 26 will undergo an ejection stroke of S1 / k.

[0053] Compared to the configuration that uses the drive belt 17 to adjust the deflection of the nozzle 4, in this configuration the plate 23 can more accurately respond to and restore the tilt posture of the filter plate 7, thereby providing operators with a more intuitive, accurate and mechanized reliable indication of soil deformation 30.

[0054] Both the plate 23 and the filter plate 7 can be spring-loaded. In other examples, elastic bands 31 can also be arranged around the plate 23 and the filter plate 7 to achieve the spring-loaded setting. In particular, for the filter plate 7, the elastic bands 31 can also provide a seal between it and the support plate 1, making it difficult for soil to fall into the water storage chamber 2.

[0055] The above description is merely a preferred embodiment of the present invention. It should be understood that the present invention is not limited to the forms disclosed herein and should not be construed as excluding other embodiments. It can be used in various other combinations, modifications, and environments, and can be altered within the scope of the concept described herein through the above teachings or related technologies or knowledge. Modifications and variations made by those skilled in the art that do not depart from the spirit and scope of the present invention should be within the protection scope of the appended claims.

Claims

1. A pipe laying support structure comprising a support plate (1) which is attached to a soil mass (30), characterised in that: The support plate (1) is internally provided with a water storage cavity (2), and the abutting surface of the support plate (1) is provided with a filter hole (3) communicated with the water storage cavity (2), and the filter hole (3) is adapted to stop soil and allow water to infiltrate into the water storage cavity (2); The top of the support plate (1) is provided with a nozzle (4), and the water storage cavity (2) is provided with a water pumping mechanism (5), and the water pumping mechanism (5) can pump water in the water storage cavity (2) from the nozzle (4); The side of the support plate (1) is provided with a filter plate (7) which can be elastically deformed, and the filter hole (3) is formed on the filter plate (7), the nozzle (4) is adapted to spray a dust-settling water curtain (8), and the nozzle (4) is also adapted to be deflected synchronously with the inclination of the filter plate (7), so that the dust-settling water curtain (8) has the same posture change trend as the filter plate (7); The water pumping mechanism (5) comprises a capsule (11) arranged in the water storage cavity (2), the filter plate (7) is internally provided with a water inlet cavity (12), the filter hole (3) is only formed on the top of the abutting surface of the filter plate (7), the capsule (11) is communicated with the bottom of the water inlet cavity (12) through a water inlet pipeline (13), the water inlet pipeline (13) is provided with a one-way valve, the one-way valve is adapted to allow fluid to flow to one side of the capsule (11), and the capsule (11) and the nozzle (4) are communicated through a water supply pipeline (15). When the filter plate (7) is pressed, the capsule (11) is extruded, so as to pump water into the nozzle (4).

2. A pipe-laying support structure according to claim 1, characterised in that: The support plate (1) is arranged in a symmetrical manner on both sides, and the corresponding support plates (1) on both sides are connected by a support mechanism (6).

3. The pipe construction support structure of claim 1, wherein: The nozzle (4) is an atomizing nozzle.

4. The pipe construction support structure of claim 1, wherein: The top of the filter plate (7) is provided with an electric pan-tilt head (9), the nozzle (4) is arranged on the electric pan-tilt head (9), the filter plate (7) is provided with an inclination sensor (10), and the inclination sensor (10) is electrically connected with a driving unit of the electric pan-tilt head (9).

5. The pipe construction support structure of claim 1, wherein: The top surface of the support plate (1) is rotatably provided with a mounting seat (16), and the nozzle (4) is arranged on the mounting seat (16), and the rotating shaft of the mounting seat (16) extends into the water storage cavity (2); The inner side surface of the filter plate (7) is transversely arranged with a driving belt (17), the rotating shaft of the mounting seat (16) is provided with a gear (18), the driving belt (17) is provided with a toothed structure, and the toothed structure is engaged with the gear (18); The inner side surface of the filter plate (7) is rotatably provided with an adjusting roller (20), and the end of the driving belt (17) is wound around the adjusting roller (20); The inner wall of the water storage cavity (2) is hingedly connected with a driving rack (21), and the driving rack (21) is connected with a spring, and the spring is used to drive the driving rack (21) to abut and engage with the adjusting roller (20).

6. The pipe construction support structure of claim 1, wherein: The top surface of the support plate (1) is provided with a mounting port (22), the nozzle (4) comprises a plate body (23) and a spray head (24) arranged on the plate body (23), and the plate body (23) is elastically arranged in the mounting port (22); The inner wall of the water storage cavity (2) is circumferentially provided with a plurality of first push rods (25), and the first push rods (25) are slidably arranged in the lateral direction; The inner wall of the mounting port (22) is circumferentially provided with a plurality of second push rods (26), and the second push rods (26) are slidably arranged in the lateral direction; The first push rods (25) and the second push rods (26) correspond to each other, and the sliding cavities of the corresponding first push rods (25) and the second push rods (26) are connected through pipelines, and the pipelines are filled with fluid; The scaling ratio of the filter plate (7) to the plate body (23) is k; When the filter plate (7) pushes the first push rod (25) inward to generate a displacement stroke S1, the corresponding second push rod (26) generates an ejection stroke S1 / k.

Citation Information

Patent Citations

  • Pipeline foundation pit steel sheet pile supporting structure and construction method thereof

    CN115710914A

  • Construction pipeline supporting structure

    CN218148412U

  • Municipal pipeline groove supporting structure

    CN221545649U

  • Municipal road construction dust falling structure

    CN211753468U

  • Underground diaphragm wall

    CN216108449U