CN106545729B - A kind of radial direction damping unit - Google Patents
A kind of radial direction damping unit Download PDFInfo
- Publication number
- CN106545729B CN106545729B CN201611131580.3A CN201611131580A CN106545729B CN 106545729 B CN106545729 B CN 106545729B CN 201611131580 A CN201611131580 A CN 201611131580A CN 106545729 B CN106545729 B CN 106545729B
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- oil cylinder
- piston
- pellet
- spring
- sliding rail
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Links
- 238000013016 damping Methods 0.000 title claims abstract description 41
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000008188 pellet Substances 0.000 claims description 58
- 238000007789 sealing Methods 0.000 claims description 11
- 230000003746 surface roughness Effects 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims 1
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/022—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using dampers and springs in combination
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/046—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means using combinations of springs of different kinds
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
- F16F9/3214—Constructional features of pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
- F16F9/3235—Constructional features of cylinders
- F16F9/3242—Constructional features of cylinders of cylinder ends, e.g. caps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/36—Special sealings, including sealings or guides for piston-rods
- F16F9/368—Sealings in pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/43—Filling or drainage arrangements, e.g. for supply of gas
- F16F9/437—Drainage arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/041—Allowing quick release of the apparatus
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The present invention provides a kind of radial damping units, including upper bracket, lower bracket and pedestal, lower bracket is fixed on pedestal, described lower bracket one end is by twisting pin connection upper bracket one end, and upper bracket is opened and closed using twisting pin as axis up and down, the lower bracket other end passes through cotter pilotage and upper bracket other end grafting, it is circular through hole that the lower bracket and two both ends of upper bracket are intermediate after all connecting, oil cylinder there are four being set in the circular through hole, and four oil cylinders are evenly distributed in circular through hole, the inventive structure is stablized, it is easy to operate, cost is relatively low, radial damping can be provided to hydroscillator.
Description
Technical field
The present invention relates to tool holders, and in particular to a kind of radial direction damping unit.
Background technology
In the ground experiment of oil drilling tool hydroscillator, need to simulate downhole weight on bit to hydroscillator radial direction
Apply damping.The present invention can apply damping to the radial of hydroscillator, and not influence the self-excited vibration of hydroscillator, protect
The freedom of motion of card tool.
Invention content
The purpose of the present invention is providing radial damping to hydroscillator, a kind of radial damping unit is provided.
The technical solution of the present invention is to provide a kind of radial damping unit, including upper bracket, lower bracket and pedestal, lower branch
Frame is fixed on pedestal, and described lower bracket one end is by twisting pin connection upper bracket one end, and upper bracket is opened using twisting pin as axis up and down
Close, the lower bracket other end by cotter pilotage and upper bracket other end grafting, the lower bracket and two both ends of upper bracket all connect after in
Between be circular through hole, set that there are four oil cylinders in the circular through hole, and four oil cylinders are evenly distributed in circular through hole.
The oil cylinder includes sequentially connected oil cylinder cover, cylinder barrel and oil cylinder head, and there is spring piston in one end in the cylinder barrel, separately
One end has hydraulic piston, the plunger of the spring piston that oil cylinder cover, the outer end of spring piston plunger is passed through to be equipped with pellet sliding rail, bullet
Sub- sliding rail is externally provided with pellet seat, inlays thrust ball bearing seat between pellet sliding rail and pellet seat, and the thrust ball bearing seat can be
Pellet sliding rail with it is free to slide in the gap of pellet seat, be cased with spring on the outside of the plunger of the spring piston, set on spring piston
There are boss, both ends of the spring to be contacted respectively with the boss of oil cylinder cover and spring piston, dish is cased on the outside of the plunger of the hydraulic piston
Spring, hydraulic piston are equipped with boss, and disc spring both ends are contacted with the boss of spring piston and hydraulic piston respectively, hydraulic piston and oil
Cylinder head contact portion is equipped with cavity, and limited post is equipped in cavity, and the oil cylinder head is equipped with pipe joint, can be by pipeline and hydraulic pressure
The cavity of piston is connected to.
There is mobilizable ball-joint in the oil cylinder end, is fixed by pin with upper bracket or lower bracket.
The plunger end of the hydraulic piston is equipped with venthole, and one end that the spring piston is contacted with disc spring is equipped with groove,
The plunger end of hydraulic piston is located in the groove of spring piston, and the groove of the plunger end face of hydraulic piston and spring piston is not
Contact, the oil cylinder cover end face are equipped with air hole.
It is equipped with O-ring between the cylinder barrel and hydraulic piston to seal, O-ring both ends are supported by notch baffle ring, cylinder barrel and oil
Axial sealing ring is equipped between cylinder head to seal.
The pellet sliding rail surface roughness is less than 0.4, pellet sliding rail and thrust ball bearing seated connection contacting surface surface roughness
Less than 0.4.
The cylinder barrel is to be threadedly coupled with oil cylinder cover and oil cylinder head, and the pellet sliding rail is to be threadedly coupled with pellet seat,
The spring piston is screwed with pellet sliding rail.
There are hole, bore dia to be less than thrust ball bearing seat outer diameter on the pellet seat, thrust ball bearing seat exposes in pellet seat
Hole outside 1mm to 5mm.
Beneficial effects of the present invention：
(1) this radial damping unit stable structure provided by the invention, easy to operate, cost is relatively low, can be to waterpower
Oscillator provides radial damping.
(2) this radial damping unit provided by the invention is by being respectively provided with two oil in the upper bracket and lower bracket
There are mobilizable ball-joint in cylinder, the oil cylinder end, are fixed by pin with upper bracket and lower bracket, when tools such as hydroscillators
When vibration, vibration is transmitted to oil cylinder, and four oil cylinders generate radial damping to tools such as hydroscillators jointly, due to oil cylinder end
There is ball-joint between upper bracket, lower bracket, so not influencing the self-excited vibration of hydroscillator, ensures freedom of motion.
(3) cylinder structure that this radial damping unit provided by the invention uses is simple, easy to operate, can shake for waterpower
It swings device and axial thrust is provided, and hydroscillator tool is made to ensure work when being accommodated by this slidably compression cylinder of the present invention
The freedom of motion of tool.
(4) oil cylinder that this radial damping unit provided by the invention uses has ventilation by the plunger end in hydraulic piston
Hole, for the exhaust inside cylinder tube, venthole is always maintained at open-minded venthole, can prevent from building the pressure and shadow when cylinder efficient
Normal operation is rung, air hole is equipped on oil cylinder cover end face, air hole can be discharged the gas of spring piston one end, further keep away
Exempt to build the pressure inside oil cylinder.
(5) oil cylinder that this radial damping unit provided by the invention uses between cylinder barrel and hydraulic piston by being equipped with O
Type circle seals, and O-ring both ends are supported by notch baffle ring, and axial sealing ring is equipped between cylinder barrel and oil cylinder head and is sealed, O-ring and axis
Sealing to sealing ring can avoid oil from entering inside cylinder tube or overflow, and the support of notch baffle ring increases O-ring
Stabilization.
(6) oil cylinder that this radial damping unit provided by the invention uses by screw by spring piston and pellet sliding rail
Fixed, when tool vibrations such as hydroscillators, axial vibration power is transmitted on thrust ball bearing seat, and thrust ball bearing seat is by power
It is transmitted on pellet sliding rail, is rigid connection since the plunger of pellet sliding rail and spring piston is screwed, so axial
Vibration force and vibration displacement are transmitted on spring piston, and disc spring, axial vibration power meeting are equipped between spring piston and hydraulic piston
Reciprocal compression disc spring, so the thrust that slidably compression cylinder applies the tools such as hydroscillator does not influence hydroscillator
Equal tools shake degree of freedom, with oil cylinder cover and oil cylinder head are to be threadedly coupled by using cylinder barrel, pellet sliding rail is with pellet seat
It is threadedly coupled, it is easy to disassemble.
(7) oil cylinder that this radial damping unit provided by the invention uses is small by using pellet sliding rail surface roughness
In 0.4, pellet sliding rail is less than 0.4 with thrust ball bearing seated connection contacting surface surface roughness, reduces friction, avoids to hydroscillator
The thrust that equal tools apply influences the tools such as hydroscillator and shakes degree of freedom, resistance to by being equipped between spring piston and cylinder barrel
Bull ring reduces the abrasion of spring piston.
The present invention is described in further details below with reference to attached drawing.
Description of the drawings
Fig. 1 is the structural schematic diagram of radial damping unit of the invention；
Fig. 2 is the structural schematic diagram of oil cylinder in the present invention.
Reference sign：1, upper bracket；2, lower bracket；3, pin is twisted；4, cotter pilotage；5, pin；6, oil cylinder；7, pedestal；8、
Circular through hole；
101, cylinder barrel；102, hydraulic piston；103, spring piston；104, oil cylinder cover；105, pellet sliding rail；106, pellet
Seat；107, thrust ball bearing seat；108, spring；109, oil cylinder head；110, disc spring；111, limited post；112, pipe joint；113、
Wear ring；114, venthole；115, air hole；116, O-ring；117, notch baffle ring；118, axial sealing ring.
Specific implementation mode
Embodiment 1：
In order to provide radial damping to hydroscillator, a kind of radial damping dress as shown in Figure 1 is present embodiments provided
It sets, including upper bracket 1, lower bracket 2 and pedestal 7, lower bracket 2 are fixed on pedestal 7,2 one end of the lower bracket is connected by twisting pin 3
Upper bracket 1 one terminates, and upper bracket 1 is that axis opens and closes up and down to twist pin 3, and 2 other end of lower bracket is another by cotter pilotage 4 and upper bracket 1
It is circular through hole 8 that one end grafting, the lower bracket 2 and 1 both ends of upper bracket are intermediate after all connecting, and is equipped in the circular through hole 8
Four oil cylinders 6, and four oil cylinders 6 are evenly distributed in circular through hole 8.
The operation principle of this radial damping unit provided by the invention is as follows：
Lower bracket 2 is fixed on advance pedestal 7, and cotter pilotage 4 is extracted out, and upper bracket 1 is dynamic for shaft rotation to twist pin 3, reaches under
Holder 2 detaches open state, and the tools such as hydroscillator are placed in the radial damping unit of unlatching, closes upper bracket 1, puts on
Cotter pilotage 4, when oil cylinder 6 apply thrust when, four 6 stepless actions of oil cylinder the tools such as hydroscillator radially, shake to waterpower
It swings device and generates radial damping.
This radial damping unit stable structure of the present invention, easy to operate, cost is relatively low, can be carried to hydroscillator
For radial damping.
Embodiment 2：
On the basis of embodiment 1, a kind of radial damping unit as shown in Figure 2, the oil cylinder 6 are present embodiments provided
Including sequentially connected oil cylinder cover 104, cylinder barrel 101 and oil cylinder head 109, there is spring piston 103 in one end in the cylinder barrel 101, separately
One end has hydraulic piston 102, the plunger of the spring piston 103 to pass through oil cylinder cover 104, and the outer end of 103 plunger of spring piston is set
There are pellet sliding rail 105, pellet sliding rail 105 to be externally provided with pellet seat 106, inlay thrust ball between pellet sliding rail 105 and pellet seat 106
Bearing block 107, the thrust ball bearing seat 107 can be free to slide in gap of the pellet sliding rail 105 with pellet seat 106, described
Be cased with spring 108 on the outside of the plunger of spring piston 103, spring piston 103 is equipped with boss, 108 both ends of spring respectively with oil cylinder
The boss of lid 104 and spring piston 103 contacts, and disc spring 110, hydraulic piston 102 are cased on the outside of the plunger of the hydraulic piston 102
Be equipped with boss, 110 both ends of disc spring contact with the boss of spring piston 103 and hydraulic piston 102 respectively, hydraulic piston 102 with
109 contact portion of oil cylinder head is equipped with cavity, and limited post 111 is equipped in cavity, and the oil cylinder head 109 is equipped with pipe joint 112,
Pipeline can be connected to the cavity of hydraulic piston 102.
The operation principle of oil cylinder 6 is as follows：
It is connected through a screw thread pipeline in the pipe joint 112 of oil cylinder head 109, the oiling into cylinder barrel by the pipeline, due to
Hydraulic piston 102 is equipped with limited post 111 with 109 contact portion of oil cylinder head, and oil enters in 102 cavity of hydraulic piston, hydraulic piston
102 under the action of oil pressure and transmitting thrust mobile to the reversed generation of oil cylinder head 109, hydraulic piston 102 is by displacement and thrust
It is transmitted in disc spring 110, displacement and thrust are transmitted on spring piston 103 by disc spring 110, spring piston 103 and pellet sliding rail
105, pellet seat 106, thrust ball bearing seat 107 generate displacement and thrust jointly, and thrust is passed to and thrust ball bearing seat 107
The tools such as the hydroscillator of contact, at this time spring 108 compressed, after oiling stops, compressed spring 108 is in itself bullet
Under force effect, spring piston 103 is resetted, while disc spring 110 being pushed to reset, and then hydraulic piston 102 is pushed to reset.
The cylinder structure used in this radial damping unit of the present invention is simple, easy to operate, can be hydroscillator
Radial damping is provided, and hydroscillator tool is made to ensure tool when being accommodated by this slidably compression cylinder of the present invention
Freedom of motion.
Further, as shown in Figure 1, there is mobilizable ball-joint in 6 end of the oil cylinder, pass through with upper bracket 1 or lower bracket 2
Pin 5 is fixed, and two oil cylinders can be respectively connected on upper bracket 1 and lower bracket 2, convenient for distribution, when the tools such as hydroscillator shake
When dynamic, vibration is transmitted to oil cylinder 6, and four oil cylinders 6 generate radial damping to tools such as hydroscillators jointly, due to 6 end of oil cylinder
There is ball-joint between end and upper bracket, lower bracket, so not influencing the self-excited vibration of hydroscillator, ensures freedom of motion.Into
One step, light in order to operate, upper bracket 1 could be provided as arc-shaped, and can be provided with handle on upper bracket 1, be convenient for
Open and close upper bracket 1.
Embodiment 3：
On the basis of embodiment 2, a kind of radial damping unit as shown in Figure 2, the hydraulic pressure are present embodiments provided
The plunger end of piston 102 has venthole 114, one end that the spring piston 103 is contacted with disc spring 110 to be equipped with groove, and hydraulic pressure is lived
The plunger end of plug 102 is located in the groove of spring piston 103, and the plunger end face of hydraulic piston 102 and spring piston 103
Groove does not contact.For the exhaust inside cylinder tube 101, venthole 114 is always maintained at open-minded venthole 114, can prevent
It builds the pressure when cylinder efficient and influences normal operation.
Further, there are air hole 115, air hole 115 that spring piston 103 can be discharged on 104 end face of the oil cylinder cover
The gas of one end further avoids building the pressure inside oil cylinder.
Embodiment 4：
On the basis of embodiment 3, a kind of radial damping unit as shown in Figure 2, the cylinder barrel are present embodiments provided
It is sealed by O-ring 116 between 101 and hydraulic piston 102,116 both ends of O-ring are supported by notch baffle ring 117, cylinder barrel 101 and oil
It is sealed by axial sealing ring 118 between cylinder head 109, the sealing of O-ring 116 and axial sealing ring 118 can avoid oil from entering oil
It inside cylinder cylinder barrel or overflows, the support of notch baffle ring 117 increases the stabilization of O-ring 116.
In order to reduce friction, 105 surface roughness of pellet sliding rail is less than 0.4, pellet sliding rail 105 and thrust ball bearing
107 contact surface surface roughnesses of seat are less than 0.4.When hydroscillator vibrates, radial vibration power is transmitted to thrust ball bearing seat
On 107, since 105 surface roughness of pellet sliding rail is less than 0.4, then since thrust ball bearing seat 107 is in pellet sliding rail 105 and bullet
Can be free to slide in the gap of stroma 6, so under radial force effect, thrust ball bearing seat 107 is in pellet sliding rail 105 and water
Rolling is generated between forced oscillation device, reduces frictional force to the greatest extent, is avoided friction consumption, is ensured that waterpower is shaken to the greatest extent
Swing the freedom of motion of device.
Embodiment 5：
On the basis of embodiment 4, a kind of radial damping unit as shown in Figure 2 is present embodiments provided, for the ease of
Dismounting, the cylinder barrel 101 is to be threadedly coupled with oil cylinder cover 104 and oil cylinder head 109, the pellet sliding rail 105 and pellet seat 106
To be threadedly coupled.
Further, the spring piston 103 is screwed with pellet sliding rail 105.When tools such as hydroscillators
When vibration, axial vibration power is transmitted on thrust ball bearing seat 107, and thrust ball bearing seat 107 transfers force to pellet sliding rail 105
On, since pellet sliding rail 105 and the plunger of spring piston 103 are screwed, be rigid connection, so axial vibration power and
Vibration displacement is transmitted on spring piston 103, and disc spring 110, axial vibration are equipped between spring piston 103 and hydraulic piston 102
Power can be reciprocal compression disc spring 110, so the thrust that slidably compression cylinder applies the tools such as hydroscillator does not influence water
The tools such as forced oscillation device shake degree of freedom.
Embodiment 6：
On the basis of embodiment 5, a kind of radial damping unit as shown in Figure 2 is present embodiments provided, in order to reduce
The abrasion of spring piston 103 is equipped with wear ring 113 between the spring piston 103 and cylinder barrel 101.
There are hole, bore dia to be less than 107 outer diameter of thrust ball bearing seat on the pellet seat 106, thrust ball bearing seat 7 exposes
1mm to 5mm outside the hole of pellet seat 106.
It is clearance fit between the cylinder barrel 101 and hydraulic piston 102 and spring piston 103, the hydraulic piston 102
Plunger and spring piston 103 between be clearance fit, between the disc spring 110 and hydraulic piston 102 and spring piston 103
Match for gap, 103 plunger of the spring piston is clearance fit, the spring piston 103 and pellet sliding rail with oil cylinder cover 104
105 be interference fit, and the spring 108 is between cylinder barrel 101 and the plunger of spring piston 103, and mutual clearance fit is described
Plunger and disc spring 110 are between cylinder barrel 101 and the plunger of hydraulic piston 102, mutual clearance fit.
The foregoing examples are only illustrative of the present invention, does not constitute the limitation to protection scope of the present invention, all
Be with the present invention it is same or analogous design all belong to the scope of protection of the present invention within.
Claims (6)
1. a kind of radial direction damping unit, it is characterised in that：Including upper bracket（1）, lower bracket（2）And pedestal（7）, the lower bracket
（2）It is fixed on pedestal（7）On, lower bracket（2）It is sold by twisting one end（3）Connect upper bracket（1）One end, and upper bracket（1）To twist
Pin（3）It is opened and closed up and down for axis, lower bracket（2）The other end passes through cotter pilotage（4）With upper bracket（1）Other end grafting, the lower bracket
（2）With upper bracket（1）It is circular through hole that both ends are intermediate after all connecting（8）, the circular through hole（8）Oil cylinder there are four inside setting（6）,
And four oil cylinders（6）It is evenly distributed on circular through hole（8）It is interior；The oil cylinder（6）Including sequentially connected oil cylinder cover（104）, cylinder
Cylinder（101）With oil cylinder head（109）, the cylinder barrel（101）There is spring piston in interior one end（103）, the other end has hydraulic piston
（102）, the spring piston（103）Plunger pass through oil cylinder cover（104）, spring piston（103）The outer end of plunger is equipped with pellet
Sliding rail（105）, pellet sliding rail（105）It is externally provided with pellet seat（106）, pellet sliding rail（105）With pellet seat（106）Between inlay and push away
Power ball bearing housing（107）, the thrust ball bearing seat（107）It can be in pellet sliding rail（105）With pellet seat（106）Gap in from
By sliding, the spring piston（103）Plunger on the outside of be cased with spring（108）, spring piston（103）It is equipped with boss, spring
（108）Both ends respectively with oil cylinder cover（104）And spring piston（103）Boss contact, the hydraulic piston（102）Plunger outside
Side is cased with disc spring（110）, hydraulic piston（102）It is equipped with boss, disc spring（110）Both ends respectively with spring piston（103）And liquid
Press piston（102）Boss contact, hydraulic piston（102）With oil cylinder head（109）Contact portion is equipped with cavity, and limit is equipped in cavity
Position column（111）, the oil cylinder head（109）It is equipped with pipe joint（112）, can be by pipeline and hydraulic piston（102）Cavity connect
It is logical；The oil cylinder（6）There is mobilizable ball-joint in end, with upper bracket（1）Or lower bracket（2）Pass through pin（5）It is fixed.
2. radial direction damping unit as described in claim 1, it is characterised in that：The hydraulic piston（102）Plunger end be equipped with
Venthole（114）, the spring piston（103）With disc spring（110）One end of contact is equipped with groove, hydraulic piston（102）Column
Plug end is located at spring piston（103）Groove in, and hydraulic piston（102）Plunger end face and spring piston（103）It is recessed
Slot does not contact, the oil cylinder cover（104）End face is equipped with air hole（115）.
3. radial direction damping unit as described in claim 1, it is characterised in that：The cylinder barrel（101）With hydraulic piston（102）It
Between be equipped with O-ring（116）Sealing, O-ring（116）Both ends are by notch baffle ring（117）Support, cylinder barrel（101）With oil cylinder head（109）
Between be equipped with axial sealing ring（118）Sealing.
4. radial direction damping unit as described in claim 1, it is characterised in that：The pellet sliding rail（105）Surface roughness is small
In 0.4, pellet sliding rail（105）With thrust ball bearing seat（107）Contact surface surface roughness is less than 0.4.
5. radial direction damping unit as described in claim 1, it is characterised in that：The cylinder barrel（101）With oil cylinder cover（104）And oil
Cylinder head（109）It is to be threadedly coupled, the pellet sliding rail（105）With pellet seat（106）To be threadedly coupled, the spring piston
（103）With pellet sliding rail（105）It is screwed.
6. radial direction damping unit as described in claim 1, it is characterised in that：The pellet seat（106）On have hole, bore dia small
In thrust ball bearing seat（107）Outer diameter, thrust ball bearing seat（107）Expose in pellet seat（106）Hole outside 1mm to 5mm.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107228254B (en) * | 2017-06-21 | 2019-01-22 | 廊坊市仁达岩土工程有限公司 | A kind of integrated control system for vibroflotation construction |
| CN107218445B (en) * | 2017-07-03 | 2023-04-21 | 中国大唐集团科学技术研究院有限公司西北分公司 | Multidirectional damping device for pipeline vibration |
| CN108167365B (en) * | 2018-02-09 | 2024-06-25 | 中国工程物理研究院总体工程研究所 | Radial compression vibration damper with adjustable compression force |
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| CN206299966U (en) * | 2016-12-09 | 2017-07-04 | 中国石油集团川庆钻探工程有限公司长庆钻井总公司 | A kind of radially damping fixture |
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| US2545394A (en) * | 1948-10-04 | 1951-03-13 | Levitation Ltd | Suspension device and shock absorber for vehicles |
| CN102606381A (en) * | 2011-06-16 | 2012-07-25 | 兰州理工大学 | Four-pointed star-shaped single-action piston cylinder offset type radial plunger motor |
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