A damping device for a pump pipe

Abstract

The utility model provides a kind of damping device for pump pipe, belong to building construction technical field.The technical scheme of damping device for pump pipe is, for installing on structure plate to fix pump pipe, including first fixed mechanism and second fixed mechanism being connected oppositely in structure plate both sides and third fixed mechanism being arranged in the reserved hole of structure plate, first fixed mechanism and second fixed mechanism are equipped with first abutment and first buffer part, first abutment is fixed with pump pipe, and first buffer part provides the elastic force along first direction, third fixed mechanism is equipped with second abutment and second buffer part, second abutment is fixed with pump pipe, and second buffer part provides the elastic force along second direction, first direction and second direction are arranged crossing.Effectively offset the vibration energy generated by pump pipe vibration, reduce the damage degree to floor, improve the service life of pump pipe, guarantee the quality of pouring.

Description

Technical Field

[0001] This utility model relates to the field of building construction technology, and in particular to a vibration damping device for pump pipes. Background Technology

[0002] Pump pipes, also known as concrete conveying pump pipes, are a new type of construction engineering accessory that emerged with the advent of concrete conveying pumps. During the construction of high-rise buildings, pressure can be applied to the pump pipes to transport concrete to the location where it needs to be poured. Typically, pre-drilled holes are set in the floor slabs, and the pump pipes are then passed through these holes, thus saving on the conveying path and facilitating the delivery of concrete.

[0003] However, during concrete delivery, the pump pipe vibrates due to the high pressure. The large gap between the pump pipe and the pre-drilled hole allows for unrestricted vibration, easily leading to friction or collision between the pump pipe and the floor slab during significant vibrations, causing damage to either. To address this, wooden blocks are typically used to fill the gap between the pump pipe and the pre-drilled hole during actual construction. However, wooden blocks lack elasticity and are easily deformed under pressure. Furthermore, the pump pipe transmits vibration loads in different directions to the floor slab during vibration, and wooden blocks cannot alleviate these multi-directional loads, making it easy for them to detach from the pre-drilled hole due to vibration. This makes it difficult to suppress the pump pipe's vibration, resulting in problems such as insecure pump pipe fixation and severe shaking during pumping, which can easily lead to pump blockage, cracking of the reinforced floor slab, and disruption of normal construction. Utility Model Content

[0004] This invention addresses the problem that current methods of filling the gap between pump pipes and pre-drilled holes with wooden blocks result in insecure pump pipe fixation, large pump pipe vibration amplitude, and easy friction or collision with the floor slab, leading to pump pipe breakage and floor slab damage. It proposes a vibration damping device for pump pipes.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] This utility model provides a vibration damping device for pump pipes, which is installed on a structural plate to fix the pump pipe. It includes a first fixing mechanism and a second fixing mechanism connected to opposite sides of the structural plate, and a third fixing mechanism disposed in a reserved hole in the structural plate. The first fixing mechanism and the second fixing mechanism are each provided with a first abutting part and a first buffering part. The first abutting part abuts and is fixed to the pump pipe, and the first buffering part contacts the structural plate to provide an elastic force along a first direction. The third fixing mechanism is provided with a second abutting part and a second buffering part. The second abutting part abuts and is fixed to the pump pipe, and the second buffering part is disposed between the pump pipe and the inner wall of the reserved hole to provide an elastic force along a second direction. The first fixing mechanism and the second fixing mechanism are both connected to the third fixing mechanism, and the first direction and the second direction are arranged intersectingly. This device secures the pump pipe by using a first and a second fixing mechanism on the upper and lower sides of the fixing plate, and a third fixing mechanism in the reserved hole. This improves the fixation of the pump pipe, reduces its vibration, and provides elastic buffering in different directions to reduce the vertical and lateral vibration loads transmitted from the pump pipe to the structural slab. This effectively counteracts the vibration energy generated by the pump pipe, reduces the damage to the floor slab, increases the service life of the pump pipe, and ensures the quality of the pouring.

[0007] Furthermore, the third fixing mechanism includes a fixing tube body and a first clamping member. The first clamping member is disposed within the fixing tube body, and the outer periphery of the fixing tube body fits against the inner wall of the pre-drilled hole. The first clamping member is sleeved on the pump pipe and can abut against and fix it to the pump pipe to form a second abutment part. One end of the second buffer part is fixedly connected to the inner wall of the fixing tube body, and the other end is fixedly connected to the clamping member. This device increases the contact area with the pump pipe and improves the stability of fixing the pump pipe by fixing it with the first clamping member.

[0008] Furthermore, the second buffer section includes multiple elastic elements, which are evenly distributed circumferentially around the clamping member and radially distributed along the pump pipe. By providing multiple elastic elements circumferentially around the pump pipe to provide radial elastic force, the radial vibration load transmitted from the pump pipe to the floor slab is effectively reduced, further protecting the floor slab.

[0009] Furthermore, the multiple elastic elements are divided into multiple elastic groups, which are evenly spaced along the axial direction of the pump pipe. Each elastic group includes multiple elastic elements radially distributed around the pump pipe. This provides better elastic support for the pump pipe and significantly reduces the vibration amplitude of the pump pipe.

[0010] Furthermore, both the first and second fixing mechanisms are provided with through holes for the pump pipe to pass through. A second clamping member is provided circumferentially along the through hole, and the second clamping member is fitted onto the pump pipe and can abut against and fix it to form a first abutment portion. Each of the first and second fixing mechanisms has a mounting platform extending radially along the pump pipe at its end away from the structural plate. The first buffer portion includes an elastic body, one end of which is fixedly connected to the mounting platform, and the other end abuts against the structural plate. The elastic body extends axially along the pump pipe. This device, by providing through holes for the pump pipe to pass through and using second clamping members to fix the pump pipe, increases the fixing contact area of ​​the pump pipe and improves the stability of the fixation.

[0011] Furthermore, multiple mounting platforms are provided, evenly distributed along the circumference of the pump pipe. This ensures uniform and consistent reduction of pump pipe vibration.

[0012] Furthermore, the fixed pipe body protrudes from the structural plate along the axial direction of the pump pipe. Both the first and second fixing mechanisms are provided with fixing grooves to accommodate the protruding portion of the fixed pipe body, and the end of the fixed pipe body is fixedly connected within the fixing groove. This facilitates the installation of the fixed pipe body into the reserved hole and also facilitates connection with the first and second fixing mechanisms.

[0013] Furthermore, the first fixing mechanism is rotated 180° horizontally to obtain the second fixing mechanism. This improves the versatility of the first and second fixing mechanisms and effectively reduces production costs.

[0014] Furthermore, the first fixing mechanism is formed by assembling a first body and a second body, and the first body and the second body are symmetrical structures. This facilitates installation and disassembly, and also makes it easy to replace damaged parts, allowing for reuse and greatly reducing production costs.

[0015] As can be seen from the above technical solutions, the advantages of this utility model are:

[0016] 1. This utility model improves the fixation of the pump pipe by setting a first fixing mechanism and a second fixing mechanism on the upper and lower sides of the fixing plate, and setting a third fixing mechanism in the reserved hole. This reduces the vibration of the pump pipe. The first buffer part and the second buffer part provide elastic buffering in different directions to reduce the vertical vibration load and lateral vibration load transmitted by the pump pipe to the structural plate. This effectively offsets the vibration energy generated by the pump pipe vibration, reduces the damage to the floor slab, improves the service life of the pump pipe, and ensures the quality of the pouring.

[0017] 2. This utility model fixes the pump pipe by setting a first clamping member to fit the pump pipe, which increases the contact area with the pump pipe and improves the stability of fixing the pump pipe. Multiple elastic members are also set around the pump pipe to provide radial elastic force, effectively reducing the radial vibration load transmitted from the pump pipe to the floor slab and further protecting the floor slab. Attached Figure Description

[0018] To more clearly illustrate the technical solution of this utility model, the drawings used in the description will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the installation structure of the device, the structural plate, and the pump pipe in one embodiment of the present invention;

[0020] Figure 2 This is a partial cross-sectional structural diagram of the installation of the device, structural plate, and pump pipe in one embodiment of this utility model;

[0021] Figure 3 This is a top view partial cross-sectional structural schematic diagram of the third fixing mechanism in one embodiment of this utility model;

[0022] Figure 4 This is a schematic diagram of the third fixing mechanism in one embodiment of the present invention;

[0023] Figure 5 This is a schematic diagram of the structure of the first fixing mechanism in one embodiment of the present invention;

[0024] Figure 6 This is a schematic diagram of the structure of the second fixing mechanism in one embodiment of this utility model.

[0025] Explanation of key figure labels:

[0026] 100, Structural plate; 110, Reserved hole; 200, Pump pipe; 300, First fixing mechanism; 310, First abutment part; 311, Second fastener; 320, Through hole; 330, Mounting platform; 340, Elastic body; 350, Fixing groove; 400, Second fixing mechanism; 500, Third fixing mechanism; 510, Second abutment part; 511, First fastener; 520, Fixing pipe body; 530, Elastic body. Detailed Implementation

[0027] To make the objectives, features, and advantages of this utility model more apparent and understandable, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings of the specific embodiments. Obviously, the embodiments described below are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this patent, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this patent.

[0028] Please see Figures 1-6 A vibration damping device for a pump pipe is used to fix a pump pipe 200 by being installed on a structural plate 100. It includes a first fixing mechanism 300 and a second fixing mechanism 400 connected to opposite sides of the structural plate 100, and a third fixing mechanism 500 disposed in a reserved hole 110 in the structural plate 100. The first fixing mechanism 300 and the second fixing mechanism 400 are each provided with a first abutting part 310 and a first buffering part. The first abutting part 310 abuts and is fixed to the pump pipe 200, and the first buffering part contacts the structural plate 100 to provide an elastic force along a first direction. The third fixing mechanism 500 is provided with a second abutting part 510 and a second buffering part. The second abutting part 510 abuts and is fixed to the pump pipe 200, and the second buffering part is disposed between the pump pipe 200 and the inner wall of the reserved hole 110 to provide an elastic force along a second direction. The first fixing mechanism 300 and the second fixing mechanism 400 are both connected to the third fixing mechanism 500, and the first direction and the second direction are arranged intersectingly.

[0029] In this embodiment, as Figure 1 , 2 As shown, the structural slab 100 is a floor slab structure. A reserved hole 110 for the pump pipe 200 to pass through is provided on the floor slab. During installation, the third fixing mechanism 500 is first installed in the reserved hole 110, and then the pump pipe 200 is passed through the reserved hole 110. When the pump pipe 200 passes through the reserved hole 110, the second abutting part 510 abuts against the pump pipe 200 located in the reserved hole 110, thereby fixing the pump pipe 200 relatively. In addition, the second buffer part provides an elastic force in the second direction within the reserved hole 110, acting between the pump pipe 200 and the inner wall of the reserved hole 110. This elastic deformation can reduce or offset the vibration energy transmitted by the pump pipe 200 in the second direction due to vibration. Then, the first fixing mechanism 300 is fixedly installed on the upper side of the floor slab. In the first fixing mechanism 300, the first abutting part 310 fixes the portion of the pump pipe 200 extending from the upper side of the reserved hole 110, and the first buffer part abuts against the upper end face of the structural plate 100 to provide an elastic force in the first direction. Similarly, a second fixing mechanism 400 is fixedly installed on the lower side of the floor slab. The first abutting part 310 of the second fixing mechanism 400 fixes the portion of the pump pipe 200 located on the lower side of the floor slab, and its first buffer part abuts against the lower end face of the structural plate 100 to provide an elastic force in the first direction. The first fixing mechanism 300 and the second fixing mechanism 400 can further fix the pump pipe 200, and the first buffer part can reduce or offset the vibration energy transmitted by the pump pipe 200 in the first direction due to vibration through its own elastic deformation. The first direction can be the axial direction of the pump pipe 200, and the second direction can be the radial direction of the pump pipe 200.

[0030] In the above structure, by setting a first fixing mechanism 300 and a second fixing mechanism 400 on the upper and lower sides of the fixing plate, and setting a third fixing mechanism 500 in the reserved hole 110 to fix the pump pipe 200 together, the fixing stability of the pump pipe 200 is improved and the vibration of the pump pipe 200 is reduced. Furthermore, by providing elastic buffering in different directions through the first buffer part and the second buffer part, the impact of the vertical vibration load transmitted by the pump pipe 200 to the structural plate 100 on the reserved hole 110 opening of the structural plate 100 is reduced, as is the impact of the lateral vibration load transmitted by the pump pipe 200 to the structural plate 100 on the inner wall of the reserved hole. This further effectively offsets the vibration energy generated by the vibration of the pump pipe 200, thereby further reducing the degree of damage to the floor slab, while also improving the service life of the pump pipe 200 and ensuring the quality of the pouring.

[0031] Regarding the specific structure of the third fixed mechanism 500, such as Figure 3 , 4 As shown, the third fixing mechanism 500 includes a fixing tube 520 and a first clamping member 511. The first clamping member 511 is disposed inside the fixing tube 520. The outer periphery of the fixing tube 520 fits against the inner wall of the reserved hole 110. The first clamping member 511 is sleeved on the pump pipe 200 and can abut against and fix with the pump pipe 200 to form a second abutting part 510. One end of the second buffer part is fixedly connected to the inner wall of the fixing tube 520, and the other end is fixedly connected to the clamping member. The second buffer part includes a plurality of elastic members 530. The plurality of elastic members 530 are evenly distributed around the circumference of the clamping member, and the elastic members 530 are distributed radially along the pump pipe 200.

[0032] In this embodiment, the fixed tube body 520 is a hollow tubular structure, and its extension direction is consistent with the axial direction of the pump tube 200. A first clamping member 511 is also provided inside the fixed tube body 520. The first clamping member 511 can also be a tubular structure. The first clamping member 511 and the fixed tube body 520 are coaxially arranged. During installation, the fixed tube body 520 is first placed in the reserved hole 110, with the outer circumferential surface of the fixed tube body 520 contacting the inner wall of the reserved hole 110. The pump tube 200 passes through the first clamping member 511 and through the reserved hole 110. Furthermore, the opening size of the first clamping member 511 can be adjusted according to the diameter of the pump tube 200 to accommodate different pump tubes 200. The pump tube 200 is locked by the first clamping member 511. In addition, a second buffer portion is provided. Multiple elastic elements 530 extend radially along the pump pipe 200. One end of each elastic element is fixedly connected to the outer circumferential surface of the first clamping member 511, and the other end is fixedly connected to the inner wall of the fixed pipe body 520. These elastic elements are positioned within the gap between the fixed pipe body 520 and the first clamping member 511. The multiple elastic elements 530 can be evenly distributed circumferentially along the pump pipe 200, providing uniform elastic buffering force and ensuring uniformity and consistency in vibration damping. For example, four elastic elements 530 can be provided. Each elastic element 530 can be a spring or a rubber block, etc., with elastic deformation. When the first clamping member 511 locks the pump pipe 200, the elastic elements 530 are in an elastically compressed state, thus better achieving elastic deformation and a better vibration damping effect. In this embodiment, the first clamping member 511 can be a pipe clamp structure, and it can be a split, symmetrical structure connected and fixed by clamping bolts.

[0033] In the above structure, the pump pipe 200 is fixed by setting the first clamp 511, which increases the contact area with the pump pipe 200 and improves the stability of fixing the pump pipe 200. By setting multiple elastic elements 530 in the circumference of the pump pipe 200, a radial elastic force is provided, which effectively reduces the radial vibration load transmitted from the pump pipe 200 to the floor slab and further protects the floor slab.

[0034] In addition, a rubber pad can be provided on the surface of the first clamp 511 that contacts the pump pipe 200, which can further provide vibration damping and buffering while also protecting the pump pipe 200 and preventing damage to the pump pipe 200 by the first clamp 511.

[0035] More specifically, the multiple elastic elements 530 are divided into multiple elastic groups, which are evenly spaced along the axial direction of the pump pipe 200. Each elastic group includes multiple elastic elements 530 radially distributed around the pump pipe 200. In another embodiment, the elastic elements 530 can be divided into multiple elastic groups, for example, two elastic groups, each with four elastic elements 530. These two elastic groups are arranged along the axial direction of the pump pipe 200, and the elastic elements 530 in the elastic groups are arranged radially along the pump pipe 200. This provides better elastic support for the pump pipe 200 and greatly reduces the vibration amplitude of the pump pipe 200.

[0036] In the specific structure of the first fixing mechanism 300 and the second fixing mechanism 400, such as Figure 2 , 5 As shown in Figure 6, the first fixing mechanism 300 is rotated 180° horizontally to obtain the second fixing mechanism 400. In this embodiment, the first fixing mechanism 300 and the second fixing mechanism 400 can be the same component structure, which improves the versatility of the first fixing mechanism 300 and the second fixing mechanism 400 and effectively reduces production costs. Specifically, both the first fixing mechanism 300 and the second fixing mechanism 400 are provided with a through hole 320 for the pump pipe 200 to pass through. A second clamping member 311 is provided along the circumference of the through hole 320. The second clamping member 311 is sleeved on the pump pipe 200 and can abut against and fix it to the pump pipe 200 to form a first abutting part 310. The ends of the first fixing mechanism 300 and the second fixing mechanism 400 away from the structural plate 100 are provided with a mounting platform 330 extending radially along the pump pipe 200. The first buffer part includes an elastic body 340. One end of the elastic body 340 is fixedly connected to the mounting platform 330, and the other end abuts against the structural plate 100. The elastic body 340 extends axially along the pump pipe 200. Multiple mounting platforms 330 are provided, and the multiple mounting platforms 330 are evenly distributed along the circumference of the pump pipe 200.

[0037] In this embodiment, the structures of the first fixing mechanism 300 and the second fixing mechanism 400 are identical. Taking the first fixing mechanism 300 as an example, the first fixing mechanism 300 has a through hole 320 that extends through the body of the first fixing mechanism 300 along the axial direction of the pump pipe 200, allowing the pump pipe 200 to pass through. When the pump pipe 200 extends out of the reserved hole 110, it can pass through the through hole 320, thereby allowing the first fixing mechanism 300 to partially enclose the pump pipe 200. Then, the pump pipe 200 is locked and fixed by the second clamp 311. The second clamp 311 can be a pipe clamp structure, which improves the fixing contact of the pump pipe 200. To improve the stability of the fixed structure, a mounting platform 330 extending radially along the pump pipe 200 is provided on the first fixing mechanism 300. This mounting platform 330 is positioned opposite the structural plate 100. An elastic body 340 is placed between the mounting platform 330 and the structural plate 100. The elastic body 340 extends axially along the pump pipe 200, with one end fixed to the mounting platform 330 and the other end abutting against the structural plate 100. This allows the elastic body 340 to effectively generate elastic deformation in the vertical direction when the pump pipe 200 transmits vertical vibration loads to the structural plate 100, thereby reducing or offsetting the vibration load in that direction. The mounting platform 330 provides space for the elastic body 340, which can be a spring or a rubber block, or other structures with elastic deformation capabilities. Furthermore, multiple mounting platforms 330 can be arranged along the circumference of the pump pipe 200. For example, four mounting platforms 330 can be arranged, along with four elastic bodies 340, evenly distributed on the first fixing mechanism 300, thereby ensuring uniformity in reducing vibration of the pump pipe 200. Regarding the connection between the first fixing mechanism 300 and the structural plate 100, multiple vertical threaded holes can be provided on the first fixing mechanism 300, and bolts can be used to fix the first fixing mechanism 300 to the structural plate 100.

[0038] On the connection structure of the first fixing mechanism 300, the second fixing mechanism 400, and the third fixing structure, such as Figure 2 As shown, the fixed pipe body 520 protrudes from the structural plate 100 along the axial direction of the pump pipe 200. The first fixing mechanism 300 and the second fixing mechanism 400 are both provided with fixing grooves 350 to accommodate the part of the fixed pipe body 520 protruding from the structural plate 100. The end of the fixed pipe body 520 is fixedly connected in the fixing groove 350.

[0039] In this embodiment, the two ends of the fixed tube 520 extend out of the reserved holes 110, which facilitates the installation of the fixed tube 520 into the reserved holes 110 and also facilitates connection with the first fixing mechanism 300 and the second fixing mechanism 400. The first fixing mechanism 300 is provided with a fixing groove 350 that is recessed outward along the axial direction of the pump tube 200 at one end near the structural plate 100. When the first fixing mechanism 300 is connected to the structural plate 100, the part of the fixed tube 520 exposed in the reserved holes 110 is accommodated in the fixing groove 350. The fixed tube 520 can be fixedly connected to the first fixing mechanism 300 and the second fixing mechanism 400 by bolts, so that the first fixing mechanism 300, the second fixing mechanism 400 and the third fixing mechanism 500 maintain the integrity of the first fixing mechanism 300, the second fixing mechanism 400 and the third fixing mechanism 500, improving the fixing stability of the pump tube 200. When not in use, the first fixing mechanism 300, the second fixing mechanism 400 and the third fixing mechanism 500 can be separated, thereby facilitating transportation and storage.

[0040] Furthermore, the first fixing mechanism 300 is formed by assembling a first body and a second body, and the first body and the second body have a symmetrical structure. In this embodiment, the first fixing mechanism 300 has identical first and second bodies assembled and connected. Similarly, the second fixing mechanism 400 has identical components, which facilitates installation and disassembly, and also facilitates the replacement of damaged components, allowing for reuse and greatly reducing production costs.

[0041] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A vibration damping device for pump pipes, used for mounting on a structural plate to fix the pump pipes, characterized in that, The device includes a first fixing mechanism and a second fixing mechanism connected to opposite sides of the structural plate, and a third fixing mechanism disposed in a reserved hole in the structural plate. The first fixing mechanism and the second fixing mechanism are each provided with a first abutting part and a first buffering part. The first abutting part abuts and is fixed to the pump pipe, and the first buffering part contacts the structural plate to provide an elastic force along a first direction. The third fixing mechanism is provided with a second abutting part and a second buffering part. The second abutting part abuts and is fixed to the pump pipe, and the second buffering part is disposed between the pump pipe and the inner wall of the reserved hole to provide an elastic force along a second direction. The first fixing mechanism and the second fixing mechanism are both connected to the third fixing mechanism, and the first direction and the second direction are arranged intersectingly.

2. The vibration damping device for pump pipes according to claim 1, characterized in that, The third fixing mechanism includes a fixing tube and a first fastening member. The first fastening member is disposed in the fixing tube. The outer peripheral arm of the fixing tube fits against the inner wall of the reserved hole. The first fastening member is sleeved on the pump pipe and can abut against the pump pipe to form the second abutment part. One end of the second buffer part is fixedly connected to the inner wall of the fixing tube and the other end is fixedly connected to the fastening member.

3. The vibration damping device for pump pipes according to claim 2, characterized in that, The second buffer section includes a plurality of elastic elements, which are evenly distributed around the circumference of the clamping member and radially distributed along the pump pipe.

4. The vibration damping device for pump pipes according to claim 3, characterized in that, The multiple elastic elements are divided into multiple elastic groups, and the multiple elastic groups are evenly spaced along the axial direction of the pump tube. Each elastic group includes multiple elastic elements radially distributed around the pump tube.

5. The vibration damping device for pump pipes according to claim 2, characterized in that, Both the first fixing mechanism and the second fixing mechanism are provided with through holes for the pump pipe to pass through. A second clamping member is provided circumferentially along the through hole. The second clamping member is sleeved on the pump pipe and can abut against the pump pipe to form the first abutting part. Both the first fixing mechanism and the second fixing mechanism are provided with mounting platforms extending radially along the pump pipe at one end away from the structural plate. The first buffer part includes an elastic body. One end of the elastic body is fixedly connected to the mounting platform, and the other end abuts against the structural plate. The elastic body extends axially along the pump pipe.

6. The vibration damping device for pump pipes according to claim 5, characterized in that, The mounting platform is provided in multiple locations, and the multiple mounting platforms are evenly distributed along the circumference of the pump pipe.

7. The vibration damping device for pump pipes according to claim 5, characterized in that, The fixed tube protrudes from the structural plate along the axial direction of the pump pipe. Both the first fixing mechanism and the second fixing mechanism are provided with fixing grooves to accommodate the portion of the fixed tube protruding from the structural plate. The end of the fixed tube is fixedly connected in the fixing groove.

8. A vibration damping device for pump pipes according to any one of claims 1-7, characterized in that, The first fixing mechanism is rotated 180° horizontally to obtain the second fixing mechanism.

9. The vibration damping device for pump pipes according to claim 8, characterized in that, The first fixing mechanism is formed by assembling a first body and a second body, and the first body and the second body are symmetrical structures.

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