CN214838076U - Plane wheel silent damper - Google Patents

Plane wheel silent damper Download PDF

Info

Publication number
CN214838076U
CN214838076U CN202023312154.4U CN202023312154U CN214838076U CN 214838076 U CN214838076 U CN 214838076U CN 202023312154 U CN202023312154 U CN 202023312154U CN 214838076 U CN214838076 U CN 214838076U
Authority
CN
China
Prior art keywords
pull rod
oil
push
fixedly connected
partition wall
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202023312154.4U
Other languages
Chinese (zh)
Inventor
谢泽
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mianyang Zhongyan Grinding Tool Co ltd
Original Assignee
Mianyang Zhongyan Grinding Tool Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mianyang Zhongyan Grinding Tool Co ltd filed Critical Mianyang Zhongyan Grinding Tool Co ltd
Priority to CN202023312154.4U priority Critical patent/CN214838076U/en
Application granted granted Critical
Publication of CN214838076U publication Critical patent/CN214838076U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Vibration Prevention Devices (AREA)

Abstract

The utility model relates to a attenuator technical field, concretely relates to plane wheel silence attenuator, including attenuator main part, attenuator casing and oil column pull rod, attenuator main part lower extreme fixedly connected with attenuator casing, the right-hand member swing joint of attenuator main part has the oil column pull rod. The utility model overcomes prior art's is not enough, the oil body through the oil intracavity is transmitted to the second push-and-pull rod in through the intercommunication jar, the stability that intercommunication jar and oil pocket are connected has been strengthened, the phenomenon that intercommunication jar and oil pocket take place to drop has been prevented, link up in the screw through the screw, it is fixed to be connected partition wall and oil pocket, and partition wall upper end fixedly connected with blotter, make the partition wall have buffer structure, can effectively reduce the friction that takes place with the partition wall when the second push-and-pull rod carries out the damping activity, and the screw all agrees with each other with the screw, make the partition wall more stable, the phenomenon of having avoided second push-and-pull rod and push-and-pull rod connecting block to drop takes place, and then the damped efficiency has been improved.

Description

Plane wheel silent damper
Technical Field
The utility model relates to a attenuator specifically is a plane wheel silence attenuator.
Background
The damper is a device for providing resistance to movement and reducing movement energy. It is not a new technology to absorb energy and shock by damping, and various dampers (or shock absorbers) have been used for reducing vibration and dissipating energy in the industries of aerospace, aviation, war industry, firearms, automobiles and the like. Since the seventies of the twentieth century, people gradually transferred the technologies to structural engineering such as buildings, bridges, railways and the like, and the development of the technologies is very rapid. Especially, the hydraulic viscous damper with history of over fifty years is subjected to a great amount of experiments, strict examination and repeated demonstration before being accepted by the structural engineering world in the united states, especially a long process of earthquake examination. A device for quickly stopping a movable portion of a meter at a stable deflected position. In seismic instruments, dampers are used to absorb the natural vibrational energy of a vibration system, with the damping force generally being proportional to the velocity of the vibration system motion. The damper mainly comprises a liquid damper, a gas damper and an electromagnetic damper. The damper has important functions of compensating small friction and air resistance in the vibration pickup pendulum system, improving frequency response and the like
However, the existing flat wheel silent damper has no damping component in the actual use process, the phenomenon that the spring collides with the oil column due to the overlarge pressure of the oil column pull rod for pushing the spring in the damping process, the oil column is possibly damaged, the damping safety is reduced, and the actual use is not facilitated, and when the oil body in the oil cavity is conveyed to the push-pull rod through the communicating tank, the communicating tank is not tightly connected with the oil cavity, the phenomenon that the communicating tank is loosened due to the overlarge pressure of the oil column push-pull in the oil conveying process, the oil body in the oil cavity leaks, the sealing property of the oil cavity is reduced, and the partition wall has no buffering structure, so when the push-pull rod rubs against the partition wall during the damping movement, the phenomenon that the connecting block of the push-pull rod and the push-pull rod falls off is possibly caused, and further, the damping efficiency is reduced, which is not beneficial to practical use.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a plane wheel silent damper, which overcomes the defects of the prior art, has simple structural design, effectively solves the problem that the oil column of the prior plane wheel silent damper does not have damping parts in the actual use process, and the phenomenon that the oil column is damaged due to the collision between the spring and the oil column caused by the overlarge pressure of the oil column pull rod for pushing the spring in the damping process, reduces the safety of damping and is not beneficial to the actual use, and when the prior plane wheel silent damper conveys the oil body in the oil cavity to the pull rod through a communicating tank, the communicating tank and the oil cavity are not tightly connected, the looseness between the communicating tank and the oil cavity caused by the overlarge oil column pull pressure in the oil transmission process can be caused, so that the oil body in the oil cavity leaks, the sealing performance of the oil cavity is reduced, and a partition wall does not have a buffer structure, when the push-pull rod performs damping movement, the push-pull rod rubs against the partition wall, which may cause the phenomenon that the connecting block of the push-pull rod and the push-pull rod falls off, thereby reducing the damping efficiency and being not beneficial to practical use.
In order to solve the technical problem, the utility model provides a following technical scheme:
a silent damper of a plane wheel comprises a damper main body, a damper shell and an oil column pull rod, wherein the damper shell is fixedly connected to the lower end of the damper main body, and the oil column pull rod is movably connected to the right end of the damper main body;
the oil column is characterized in that an oil column is fixedly connected to the left end of the oil column pull rod, a first push-pull rod is movably connected to the interior of the oil column, a spring is fixedly connected to the surface of the first push-pull rod, an oil cavity is connected to the left end of the oil column in a penetrating manner, a communicating tank is connected to the lower end of the oil cavity in a penetrating manner, a bump is fixedly connected to the right end of the communicating tank, an oil outlet is connected to the upper end of the communicating tank in a penetrating manner, threads are fixedly connected to the upper end of the oil outlet, a communicating tank cover is movably connected to the upper end of the communicating tank, a communicating tank cover fixing seat is fixedly connected to the lower end of the communicating tank cover, a connecting hole is connected to the upper end of the communicating tank in a penetrating manner, a second push-pull rod is fixedly connected to the upper end of the second push-pull rod, a partition wall is fixedly connected to the left end of the second push-pull rod, and a screw hole is connected to the right end of the partition wall in a penetrating manner, the inside through connection of screw, the left end through connection of partition wall has the damping chamber.
As a preferred technical scheme of the utility model, the oil column is the taper type setting, and the spring is the setting of L type with the oil column pull rod to spring left end fixedly connected with damping plate.
As a preferred technical scheme of the utility model, the left end fixedly connected with check valve of oil pocket, and lug and oil pocket agree with each other to the inside fixedly connected with seal ring of oil-out.
As an optimized technical scheme of the utility model, the second push-and-pull rod establishes ties with the oil pocket through the intercommunication jar, and the lower extreme through connection of intercommunication jar has the foam jacket.
As a preferred technical scheme of the utility model, the second push-and-pull rod is central symmetry setting with the damping chamber, and the second push-and-pull rod is 90 perpendicular settings with the partition wall.
As a preferred technical scheme of the utility model, partition wall upper end fixedly connected with blotter, and screw evenly distributed is at the partition wall both ends to the screw all agrees with each other with the screw.
The embodiment of the utility model provides a plane wheel silence attenuator possesses following beneficial effect: the existing plane wheel silent damper has the advantages that the damping component is arranged on the oil column in the actual use process, the phenomenon that the spring collides with the oil column due to overlarge pressure of the oil column pull rod for pushing the spring in the damping process is avoided, the oil column is not damaged, the damping safety is improved, the actual use is facilitated, in addition, when the oil body in the oil cavity is conveyed to the second push-pull rod through the communicating tank by the existing plane wheel silent damper, the communicating tank is more tightly connected with the oil cavity, the condition that the communicating tank is loosened from the oil cavity due to overlarge pressure of the oil column pull rod in the oil conveying process is avoided, the condition that the oil body in the oil cavity leaks is avoided, the sealing property of the oil cavity is improved, in addition, the separating wall is provided with the buffer structure, the friction between the second push-pull rod and the separating wall during the damping movement can be effectively reduced, and the phenomenon that the connecting block of the second push-pull rod and the push-pull rod is separated is avoided, thereby improving the damping efficiency and being beneficial to practical use.
1. Through setting up first push-and-pull rod, a spring, damping plate and check valve, promote first push-and-pull rod through the oil column pull rod and compress the spring, the effectual promotion pressure that has slowed down, drive the damping plate through the spring and carry out concertina movement, and oil pocket left end fixedly connected with check valve, can cushion the pressure that the oil column produced, avoided in the damping process because the too big condition that leads to spring and oil column to bump of pressure that the oil column pull rod promoted the spring takes place, can not make the phenomenon that the oil column takes place to damage, the damped security has been improved, be favorable to in-service use.
2. Through the arrangement, the communicating tank, the convex block, the cushion pad, the screw hole and the screw, the oil body in the oil cavity is transmitted into the second push-pull rod through the communicating tank, the convex block is mutually matched with the oil cavity, the connecting stability of the communicating tank and the oil cavity is enhanced, the phenomenon that the communicating tank and the oil cavity fall off is prevented, the sealing washer is fixedly connected inside the oil outlet, the condition that the oil body in the oil cavity leaks is avoided, the sealing performance of the oil cavity is improved, the separating wall is fixedly connected with the oil cavity by the screw penetrating through the screw hole, the cushion pad is fixedly connected to the upper end of the separating wall, the separating wall is provided with a buffer structure, the friction between the second push-pull rod and the separating wall during damping movement can be effectively reduced, the screw is mutually matched with the screw hole, the separating wall is more stable, and the phenomenon that the second push-pull rod and the push-pull rod connecting block fall off is avoided, thereby improving the damping efficiency and being beneficial to practical use.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the communicating tank of the present invention;
fig. 3 is a schematic structural diagram of the partition wall of the present invention.
In the figure: 1. a damper main body; 2. a damper housing; 3. an oil column draw bar; 4. an oil column; 5. a first push-pull rod; 6. a spring; 7. a damping plate; 8. an oil chamber; 9. a check valve; 10. communicating the tank; 1001. a bump; 1002. an oil outlet; 1003. a sealing gasket; 1004. a thread; 1005. the connecting tank cover fixing seat; 1006. the tank cover is communicated; 1007. connecting holes; 11. a foam sleeve; 12. a push-pull rod connecting block; 13. a second push-pull rod; 14. a partition wall; 1401. a cushion pad; 1402. a screw hole; 1403. a screw; 15. a damper chamber.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example (b): as shown in fig. 1-3, a flat wheel silent damper comprises a damper main body 1, a damper housing 2 and an oil column pull rod 3, wherein the damper housing 2 is fixedly connected to the lower end of the damper main body 1, and the oil column pull rod 3 is movably connected to the right end of the damper main body 1;
the left end of the oil column pull rod 3 is fixedly connected with an oil column 4, the interior of the oil column 4 is movably connected with a first push-pull rod 5, the surface of the first push-pull rod 5 is fixedly connected with a spring 6, the left end of the oil column 4 is connected with an oil cavity 8 in a penetrating way, the lower end of the oil cavity 8 is connected with a communicating tank 10 in a penetrating way, the right end of the communicating tank 10 is fixedly connected with a lug 1001, the upper end of the communicating tank 10 is connected with an oil outlet 1002 in a penetrating way, the upper end of the oil outlet 1002 is fixedly connected with a thread 1004, the upper end of the communicating tank 10 is movably connected with a communicating tank cover 1006, the lower end of the communicating tank cover 1006 is fixedly connected with a communicating tank cover fixing seat 1005, the upper end of the communicating tank cover 1006 is connected with a connecting hole 1007 in a penetrating way, the left end of the communicating tank 10 is connected with a second push-pull rod 13, the upper end of the second push-pull rod 13 is fixedly connected with a push-pull rod connecting block 12, the left end of the second push-pull rod 13 is fixedly connected with a partition wall 14, and the right end of the partition wall 14 is connected with a screw hole 1402 in a penetrating way, a screw 1403 is connected to the inside of the screw hole 1402, and a damper chamber 15 is connected to the left end of the partition wall 14.
The oil column 4 is arranged in a conical shape, the spring 6 and the oil column pull rod 3 are arranged in an L shape, and the damping plate 7 is fixedly connected to the left end of the spring 6;
in this embodiment, be the taper type setting through oil column 4, can effectively reduce the resistance that oil column pull rod 3 promoted spring 6 and produced, and spring 6 is the L type setting with oil column pull rod 3, the stability of spring 6 has been strengthened, the phenomenon that takes place spring 6 and take place to warp when oil column pull rod 3 extrudees spring 6 has been avoided, and spring 6 left end fixedly connected with damping plate 7, can cushion the pressure that oil column 4 produced, avoided in the damping process because the too big condition emergence that leads to spring 6 and oil column 4 to collide of pressure that oil column pull rod 3 promoted spring 6, can not make oil column 4 take place the phenomenon of damaging, the damped security has been improved, be favorable to in-service use.
The left end of the oil cavity 8 is fixedly connected with a check valve 9, the bump 1001 is matched with the oil cavity 8, and a sealing washer 1003 is fixedly connected inside the oil outlet 1002;
in this embodiment, left end fixedly connected with check valve 9 through oil pocket 8, can cushion the pressure that oil column 4 produced, the slew rate of spring 6 has been optimized, and lug 1001 agrees with each other with oil pocket 8, the stability that intercommunication jar 10 and oil pocket 8 are connected has been strengthened, the phenomenon that intercommunication jar 10 and oil pocket 8 take place to drop has been prevented, and the inside fixedly connected with seal ring 1003 of oil-out 1002, the condition of seepage has appeared to the oil mass of having avoided in the oil pocket 8, the leakproofness of oil pocket has been improved, and is favorable to the in-service use.
Wherein, the second push-pull rod 13 is connected with the oil chamber 8 in series through the communicating tank 10, and the lower end of the communicating tank 10 is connected with the foam sleeve 11 in a penetrating way;
in this embodiment, the second push-pull rod 13 is connected in series with the oil chamber 8 through the communication tank 10, so that oil in the oil chamber 8 can be transmitted into the second push-pull rod 13 through the communication tank 10, the second push-pull rod 13 can move more smoothly in the damping process, the phenomenon that the second push-pull rod 13 is jammed is avoided, the foam sleeve 11 is connected to the lower end of the communication tank 10 in a penetrating manner, foam generated when the first push-pull rod 5 drives the spring 6 to move can be absorbed, the oil column pull rod 3 can work more stably, noise in the damping process is reduced, and practical use is facilitated.
The second push-pull rod 13 and the damping cavity 15 are arranged in central symmetry, and the second push-pull rod 13 and the partition wall 14 are arranged vertically at an angle of 90 degrees;
in this embodiment, the second push-pull rod 13 and the damping cavity 15 are arranged in a central symmetry manner, so that the contact area between the second push-pull rod 13 and the damping cavity 15 is increased, the damping efficiency is enhanced, the damping process of the damper main body 1 is more convenient, and the second push-pull rod 13 and the partition wall 14 are arranged perpendicularly at 90 degrees, so that the stability of the second push-pull rod 13 is improved, a gap between the second push-pull rod 13 and the damping cavity 15 when the push-pull rod connecting block 12 drives the second push-pull rod 13 to move is avoided, the damping efficiency is improved, and the practical use is facilitated.
Wherein, the upper end of the partition wall 14 is fixedly connected with a cushion 1401, and screw holes 1402 are uniformly distributed at both ends of the partition wall 14, and the screws 1403 are engaged with the screw holes 1402.
In this embodiment, the buffer pad 1401 is fixedly connected to the upper end of the partition wall 14, so that the partition wall 14 has a buffer structure, friction between the second push-pull rod 13 and the partition wall 14 during damping movement can be effectively reduced, the screw holes 1402 are uniformly distributed at two ends of the partition wall 14, and the screws 1403 are matched with the screw holes 1402, so that the partition wall 14 is more stable, the phenomenon that the second push-pull rod 13 and the push-pull rod connecting block 12 fall off is avoided, the damping efficiency is further improved, and the practical use is facilitated.
The working principle is as follows: firstly, the oil column pull rod 3 drives the first push-pull rod 5 in the oil column 4 to push the spring 6, the oil column 4 is arranged in a conical shape, so that the resistance generated when the oil column pull rod 3 pushes the spring 6 can be effectively reduced, the spring 6 and the oil column pull rod 3 are arranged in an L shape, the stability of the spring 6 is enhanced, the phenomenon that the spring 6 is deformed when the oil column pull rod 3 extrudes the spring 6 is avoided, the damping plate 7 is fixedly connected to the left end of the spring 6, so that the pressure generated by the oil column 4 can be buffered, the phenomenon that the spring 6 collides with the oil column 4 due to the fact that the pressure generated when the oil column pull rod 3 pushes the spring 6 is too high in the damping process is avoided, the oil column 4 cannot be damaged, the damping safety is improved, the check valve 9 is fixedly connected to the left end of the oil chamber 8, so that the pressure generated by the oil column 4 can be buffered, the rotation rate of the spring 6 is optimized, and the convex block 1001 is matched with the oil chamber 8, the stability of the connection between the communication tank 10 and the oil chamber 8 is enhanced, the phenomenon that the communication tank 10 and the oil chamber 8 fall off is prevented, and the inside of the oil outlet 1002 is fixedly connected with a sealing washer 1003, so that the oil body in the oil cavity 8 is prevented from leaking, the sealing property of the oil cavity is improved, the second push-pull rod 13 is connected with the oil cavity 8 in series through the communicating tank 10, so that the oil body in the oil cavity 8 can be transmitted into the second push-pull rod 13 through the communicating tank 10, the second push-pull rod 13 moves more smoothly in the damping process, the phenomenon that the second push-pull rod 13 is blocked is avoided, and the lower end of the communicating tank 10 is connected with the foam sleeve 11 in a penetrating way, the foam generated when the first push-pull rod 5 drives the spring 6 to move can be absorbed, so that the oil column pull rod 3 is more stable in working, the noise in the damping process is reduced, and the practical use is facilitated.
Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. A plane wheel silent damper comprises a damper main body (1), a damper shell (2) and an oil column pull rod (3), and is characterized in that the lower end of the damper main body (1) is fixedly connected with the damper shell (2), and the right end of the damper main body (1) is movably connected with the oil column pull rod (3);
the left end of the oil column pull rod (3) is fixedly connected with an oil column (4), the inside of the oil column (4) is movably connected with a first push-pull rod (5), the surface of the first push-pull rod (5) is fixedly connected with a spring (6), the left end of the oil column (4) is connected with an oil cavity (8) in a penetrating way, the lower end of the oil cavity (8) is connected with a communicating tank (10) in a penetrating way, the right end of the communicating tank (10) is fixedly connected with a bump (1001), the upper end of the communicating tank (10) is connected with an oil outlet (1002) in a penetrating way, the upper end of the oil outlet (1002) is fixedly connected with a thread (1004), the upper end of the communicating tank (10) is movably connected with a communicating tank cover (1006), the lower end of the communicating tank cover (1006) is fixedly connected with a communicating tank cover fixing seat (1005), the upper end of the communicating tank cover (1006) is connected with a connecting hole (1007) in a penetrating way, and the left end of the communicating tank (10) is connected with a second push-pull rod (13) in a penetrating way, the upper end of the second push-pull rod (13) is fixedly connected with a push-pull rod connecting block (12), the left end of the second push-pull rod (13) is fixedly connected with a partition wall (14), the right end of the partition wall (14) is connected with a screw hole (1402) in a penetrating mode, a screw (1403) is connected inside the screw hole (1402) in a penetrating mode, and the left end of the partition wall (14) is connected with a damping cavity (15) in a penetrating mode.
2. The damper according to claim 1, wherein the oil column (4) is arranged in a cone shape, the spring (6) and the oil column pull rod (3) are arranged in an L shape, and the damping plate (7) is fixedly connected to the left end of the spring (6).
3. The damper as claimed in claim 1, wherein the left end of the oil chamber (8) is fixedly connected with a check valve (9), the bump (1001) and the oil chamber (8) are mutually engaged, and a sealing washer (1003) is fixedly connected inside the oil outlet (1002).
4. The damper according to claim 1, wherein the second push-pull rod (13) is connected in series with the oil chamber (8) through a communication tank (10), and a foam sleeve (11) is connected through the lower end of the communication tank (10).
5. The damper according to claim 1, wherein the second push-pull rod (13) is arranged centrally symmetrically to the damping chamber (15) and the second push-pull rod (13) is arranged perpendicularly to the partition wall (14) at 90 °.
6. The damper as claimed in claim 1, wherein the upper end of the partition wall (14) is fixedly connected with a cushion pad (1401), and the screw holes (1402) are uniformly distributed at both ends of the partition wall (14), and the screws (1403) are engaged with the screw holes (1402) each other.
CN202023312154.4U 2020-12-31 2020-12-31 Plane wheel silent damper Active CN214838076U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023312154.4U CN214838076U (en) 2020-12-31 2020-12-31 Plane wheel silent damper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023312154.4U CN214838076U (en) 2020-12-31 2020-12-31 Plane wheel silent damper

Publications (1)

Publication Number Publication Date
CN214838076U true CN214838076U (en) 2021-11-23

Family

ID=78874929

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202023312154.4U Active CN214838076U (en) 2020-12-31 2020-12-31 Plane wheel silent damper

Country Status (1)

Country Link
CN (1) CN214838076U (en)

Similar Documents

Publication Publication Date Title
US6009983A (en) Method and apparatus for improved vibration isolation
CN216589735U (en) Flexible resonance liquid damper for wind turbine unit
CN110486563A (en) A kind of pipeline hanger and its oscillation damping method based on metal-rubber three-dimensional vibration damping
CN214838076U (en) Plane wheel silent damper
CN109404463B (en) Particle energy consumption damper based on sub-fluid state contact stress network
CN114526308A (en) Low-frequency vibration reduction structure of spring-containing damping type dynamic vibration absorber based on photonic crystal
CN214698935U (en) Shock insulation damper with liquid and particles
CN214579672U (en) Novel shock attenuation pipe clamp
CN216242008U (en) Oil damper with self-checking function
CN212107440U (en) Pipeline vibration absorption device based on nonlinear adjustment technology
CN215173220U (en) Multidirectional wide band pipeline shock absorber based on particle damping
CN105672516B (en) Integrated form tuning quality damps wall
CN208252653U (en) The engine vibration isolation device used in engineering machinery
CN205278210U (en) Awl pole variable damping attenuator
CN111120768A (en) Pipeline vibration absorption device based on nonlinear adjustment technology
CN219992173U (en) Viscous damper with stable damping medium
CN112112925A (en) Shock isolation device
CN111720466A (en) Rubber shock absorption block and pipeline rubber shock absorption block
CN216143369U (en) Damper for pipeline impact vibration
CN215173221U (en) Damping and shock-absorbing stiffening beam structure
CN216789093U (en) Special barrel type shock isolation and absorption device for nuclear power plant
CN105508490B (en) Staged anti-impact damper
CN214248121U (en) Explosion-proof type high strength damper
CN216198902U (en) Pump body shock-absorbing structure
CN215258500U (en) Assembled damping type cooling water unit valve group module frame

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant