CN209309205U - A kind of axial vibration damper - Google Patents

Abstract

The utility model discloses a kind of axial vibration dampers, including piston rod, piston tube, pallet, elastic axis and decoupling rod, the inside of the piston tube is fixedly installed with the piston rod extended, finite place piece is fixedly mounted in the outside of the piston tube, the bottom of the locating part is fixedly installed with elastic axis by fixing seat, the outside of the elastic axis is movably installed with position-limited rack by sliding slot, the bottom of the position-limited rack is movably installed with connecting shaft, the bottom of the connecting shaft is fixedly installed with decoupling rod, pallet is fixedly installed at the top of the locating part, damping spring is fixedly installed at the top of the pallet.The utility model, which is equipped with seal receptacle, can be improved the leakproofness of device; it can prevent dust; rainwater enters device internal sabotage interior arrangement; extend the service life of device; it simultaneously can protective device by being equipped with washer; it prevents junction from wearing, and has the function of noise reduction, reduce the noise that device is generated in damping.

Description

A kind of axial vibration damper

Technical field

The utility model relates to damper technical field, specially a kind of axial vibration damper.

Background technique

There are many effect of damping device, and in the power effect for also very extensively, being typically used to cut down on component, abatement is managed Vibration of the road relative to other components (such as building) is cut down vibration of the machine part relative to machine case, is cut down in example Such as the vibration between the building member that is likely to occur in the case where earthquake, in this respect, common damping device always has The axial vibration damper applied on axial vibration damper, especially low speed high power diesel engine, the axial vibration damper have in the axial direction Two connecting elements being separated from each other, described two connecting elements pass through the damping that is disposed axially between two connecting elements Section connection, so that they are able to carry out axial relative movement, wherein axial relative movement is limited in a displacement by vibration damping section In range, and cut down it in the axial direction, plays the effect of damping, however existing axial vibration damper is not close enough in junction Envelope, there are gaps, are easy to produce abrasion in device operating, and inside is easily accessible dust and rainwater, rainwater stops for a long time It stays, inner body is be easy to cause to corrode, influence the service life of device.

Utility model content

The purpose of this utility model is to provide a kind of axial vibration dampers, to solve mentioned above in the background art ask Topic.

To achieve the above object, the utility model provides the following technical solutions: a kind of axial vibration damper, including piston rod, Piston tube, pallet, elastic axis and decoupling rod, the inside of the piston tube are fixedly installed with the piston rod extended, the piston Finite place piece is fixedly mounted in the outside of pipe, and the bottom of the locating part is fixedly installed with elastic axis, the damping by fixing seat The outside of axis is movably installed with position-limited rack by sliding slot, and the bottom of the position-limited rack is movably installed with connecting shaft, the connecting shaft Bottom be fixedly installed with decoupling rod, be fixedly installed with pallet at the top of the locating part, the top of the pallet is fixedly mounted There is damping spring.

Preferably, the bottom of the piston rod is fixedly installed with extension rod, and the bottom of extension rod is fixedly installed with link block, The bottom of link block is fixedly installed with the first spring, and connector is fixedly installed at the top of piston rod.

Preferably, the inside of the decoupling rod is fixedly installed with yielding rubber pad, and the top of yielding rubber pad is fixedly mounted There is the attachment base extended, the bottom of yielding rubber pad is fixedly installed with the mounting base extended.

Preferably, the inside of the elastic axis is fixedly installed with motion bar, and the bottom of motion bar is fixedly installed with the second bullet Spring, and two groups of caging bolts are fixedly installed on the outside of motion bar.

Preferably, it is fixedly installed with seal receptacle at the top of the piston tube, is fixedly installed with washer at the top of seal receptacle.

Preferably, the bottom of the pallet is fixedly installed with fixed plate, and the inside of pallet is equipped with two groups of bolts hole.With

Compared with prior art, the utility model has the beneficial effects that the axial vibration damper can by being equipped with piston rod The effect for improving the damping of device, increases the practicability of device, the leakproofness of device can be improved by being equipped with seal receptacle, can prevent Only dust, rainwater enter device internal sabotage interior arrangement, extend the service life of device, while can protect by being equipped with washer Protection unit prevents junction from wearing, and has the function of noise reduction, reduces the noise that device is generated in damping, by being equipped with Elastic axis can be improved device and obtain damping effect, increase the shock-damping structure of device, further increase the practicability of device, pass through peace The position that damping spring installation can be expanded equipped with pallet makes it improve the stability of device, improves the robust structure of device, guarantees The stationarity of device.

Detailed description of the invention

Fig. 1 is the schematic diagram of the section structure of the utility model；

Fig. 2 is the positive structure schematic of the utility model；

Fig. 3 is the damping spring structural schematic diagram of the utility model；

Fig. 4 is the tray structure diagram of the utility model.

In figure: 1, piston rod；101, connector；102, extension rod；103, link block；104, the first spring；2, piston tube； 201, seal receptacle；202, washer；3, locating part；301, fixing seat；4, pallet；401, fixed plate；402, bolt hole；5, damping Axis；501, motion bar；502, caging bolt；503, second spring；6, position-limited rack；601, sliding slot；7, connecting shaft；8, decoupling rod； 801, attachment base；802, yielding rubber pad；803, mounting base；9, damping spring.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

In the description of the present invention, it should be noted that term " on ", "lower", "inner", "outside" " front end ", " after The orientation or positional relationship of the instructions such as end ", " both ends ", " one end ", " other end " is that orientation based on the figure or position are closed System, is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning are necessary It with specific orientation, is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, Term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " being provided with ", " connection " etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, be also possible to detachably connect It connects, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediate matchmaker can also be passed through Jie is indirectly connected, and can be the connection inside two elements.It for the ordinary skill in the art, can be with concrete condition Understand the concrete meaning of above-mentioned term in the present invention.

Fig. 1-4 is please referred to, a kind of embodiment provided by the utility model: a kind of axial vibration damper, including piston rod 1, work Plug pipe 2, pallet 4, elastic axis 5 and decoupling rod 8, the inside of piston tube 2 are fixedly installed with the piston rod 1 extended, and piston tube 2 can Fixed position is provided for piston rod 1, piston rod 1 is integrally formed, and has good toughness, and the outside of piston tube 2 is fixedly mounted Finite place piece 3, locating part 3 can provide fixed position for pallet 4, and the bottom of locating part 3 is fixedly installed with by fixing seat 301 to be subtracted Axis 5 is shaken, fixing seat 301 can provide fixed position for elastic axis 5, and elastic axis 5 can effectively slow down vibration, and the outside of elastic axis 5 is logical It crosses sliding slot 601 and is movably installed with position-limited rack 6, sliding slot 601 can provide moving position for caging bolt 502, and position-limited rack 6, which can connect, to be subtracted Axis 5 and connecting shaft 7 are shaken, forms a damping device, the bottom of position-limited rack 6 is movably installed with connecting shaft 7, sets inside connecting shaft 7 There is screw thread, connection decoupling rod 8 can be facilitated, the bottom of connecting shaft 7 is fixedly installed with decoupling rod 8, and decoupling rod 8 can increase device into one Damping effect, the top of locating part 3 is fixedly installed with pallet 4, and pallet 4 can provide fixed position, pallet 4 for damping spring 9 Top be fixedly installed with damping spring 9, it is dynamic to subtract shock absorbing by the reaction force of damping spring 9.

Further, the bottom of piston rod 1 is fixedly installed with extension rod 102, and extension rod 102 extends the length of piston rod 1, prolongs The bottom of boom 102 is fixedly installed with link block 103, and link block 103 can provide fixed position, link block for the first spring 104 103 bottom is fixedly installed with the first spring 104, the reaction force of the first spring 104 can shaking force suffered by cancellation element, And the top of piston rod 1 is fixedly installed with connector 101, connector 101 can facilitate mounting device, improve the installation effect of device Rate.

Further, the inside of decoupling rod 8 is fixedly installed with yielding rubber pad 802, and yielding rubber pad 802 has elasticity, can The damping effect of device is further increased, the top of yielding rubber pad 802 is fixedly installed with the attachment base 801 extended, connection Seat 801 can facilitate decoupling rod 8 to connect with connecting shaft 7, and the bottom of the position of fixed decoupling rod 8, yielding rubber pad 802 is fixedly mounted There is the mounting base 803 extended, mounting base 803 facilitates the position of fixed device.

Further, the inside of elastic axis 5 is fixedly installed with motion bar 501, and motion bar 501 can be activity second spring 503 Fixed position is provided, the bottom of motion bar 501 is fixedly installed with second spring 503, and the reaction force of second spring 503 can be effective Vibration is eliminated, and the outside of motion bar 501 is fixedly installed with two groups of caging bolts 502, caging bolt 502 and sliding slot 601 cooperate Movable installation position-limited rack 6.

Further, the top of piston tube 2 is fixedly installed with seal receptacle 201, and the leakproofness of device can be improved in seal receptacle 201, The top of seal receptacle 201 is fixedly installed with washer 202, and washer 202 has the function of damping and silencing, and the closed of junction can be improved Property, prevent junction from shaking.

Further, the bottom of pallet 4 is fixedly installed with fixed plate 401, fixed plate 401 can fixed tray 4 position, and hold in the palm The inside of disk 4 is equipped with two groups of bolts hole 402, and bolt hole 402 facilitates mounting device, improves installation installation effectiveness.

Working principle drives connector 101 to vertically move, gives connector by the first spring 104 by the way that piston rod 1 is mobile 101 upward reaction forces, can the vibration that is subject to of abatement device, by the reaction force of damping spring 9 can abatement device institute The stamping press of receiving, while carrying out further cutting down stamping press by elastic axis 5, by decoupling rod 8 can slowing device rebound Power is improved the leakproofness of device by seal receptacle 201, can prevent rainwater, dust enters internal sabotage interior arrangement.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.

Claims (6)

1. a kind of axial vibration damper, including piston rod (1), piston tube (2), pallet (4), elastic axis (5) and decoupling rod (8), Be characterized in that: the inside of the piston tube (2) is fixedly installed with the piston rod (1) extended, and the outside of the piston tube (2) is solid Dingan County is equipped with locating part (3), and the bottom of the locating part (3) is fixedly installed with elastic axis (5) by fixing seat (301), described The outside of elastic axis (5) is movably installed with position-limited rack (6) by sliding slot (601), and the bottom of the position-limited rack (6) is movably installed with The bottom of connecting shaft (7), the connecting shaft (7) is fixedly installed with decoupling rod (8), and the top of the locating part (3) is fixedly mounted Have pallet (4), is fixedly installed with damping spring (9) at the top of the pallet (4).

2. a kind of axial vibration damper according to claim 1, it is characterised in that: the fixed peace in the bottom of the piston rod (1) Equipped with extension rod (102), the bottom of extension rod (102) is fixedly installed with link block (103), and the bottom of link block (103) is fixed It is equipped with the first spring (104), and is fixedly installed with connector (101) at the top of piston rod (1).

3. a kind of axial vibration damper according to claim 1, it is characterised in that: the fixed peace in the inside of the decoupling rod (8) Equipped with yielding rubber pad (802), the attachment base (801) extended, damping rubber are fixedly installed at the top of yielding rubber pad (802) The bottom of rubber mat (802) is fixedly installed with the mounting base (803) extended.

4. a kind of axial vibration damper according to claim 1, it is characterised in that: the fixed peace in the inside of the elastic axis (5) Equipped with motion bar (501), the bottom of motion bar (501) is fixedly installed with second spring (503), and the outside of motion bar (501) It is fixedly installed with two groups of caging bolts (502).

5. a kind of axial vibration damper according to claim 1, it is characterised in that: the fixed peace in the top of the piston tube (2) Equipped with seal receptacle (201), washer (202) are fixedly installed at the top of seal receptacle (201).

6. a kind of axial vibration damper according to claim 1, it is characterised in that: the bottom of the pallet (4) is fixedly mounted Have fixed plate (401), and the inside of pallet (4) is equipped with two groups of bolts hole (402).