CN106545729A - A kind of radial direction damping unit - Google Patents

A kind of radial direction damping unit Download PDF

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Publication number
CN106545729A
CN106545729A CN201611131580.3A CN201611131580A CN106545729A CN 106545729 A CN106545729 A CN 106545729A CN 201611131580 A CN201611131580 A CN 201611131580A CN 106545729 A CN106545729 A CN 106545729A
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CN
China
Prior art keywords
piston
oil cylinder
spring
pellet
radial
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.)
Granted
Application number
CN201611131580.3A
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Chinese (zh)
Other versions
CN106545729B (en
Inventor
杨森
薛让平
王立宏
宋顺平
丛成
何璟斌
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.)
Changqing Drilling Co of CNPC Chuanqing Drilling Engineering Co Ltd
Original Assignee
Changqing Drilling Co of CNPC Chuanqing Drilling Engineering Co Ltd
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Application filed by Changqing Drilling Co of CNPC Chuanqing Drilling Engineering Co Ltd filed Critical Changqing Drilling Co of CNPC Chuanqing Drilling Engineering Co Ltd
Priority to CN201611131580.3A priority Critical patent/CN106545729B/en
Publication of CN106545729A publication Critical patent/CN106545729A/en
Application granted granted Critical
Publication of CN106545729B publication Critical patent/CN106545729B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/20Undercarriages with or without wheels
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression 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
    • F16F15/022Suppression 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression 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
    • F16F15/023Suppression 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression 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
    • F16F15/04Suppression 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
    • F16F15/046Suppression 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32Details
    • F16F9/3207Constructional features
    • F16F9/3214Constructional features of pistons
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32Details
    • F16F9/3207Constructional features
    • F16F9/3235Constructional features of cylinders
    • F16F9/3242Constructional features of cylinders of cylinder ends, e.g. caps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32Details
    • F16F9/36Special sealings, including sealings or guides for piston-rods
    • F16F9/368Sealings in pistons
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32Details
    • F16F9/43Filling or drainage arrangements, e.g. for supply of gas
    • F16F9/437Drainage arrangements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/02Heads
    • F16M11/04Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/041Allowing quick release of the apparatus

Abstract

The invention provides a kind of radial direction damping unit, including upper bracket, lower carriage and base, lower carriage is fixed on base, described lower carriage one end is by twisting pin connection upper bracket one end, and upper bracket is to twist pin as the upper and lower folding of axle, the lower carriage other end is by cotter pilotage and upper bracket other end grafting, the lower carriage and two two ends of upper bracket are middle for manhole after all connecting, four oil cylinders are provided with the manhole, and four oil cylinders are evenly distributed in manhole, the inventive structure is stable, it is easy to operate, cost is relatively low, can provide to hydroscillator and radially damp.

Description

A kind of radial direction damping unit
Technical field
The present invention relates to tool holder, 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 to damp to the radial direction of hydroscillator, and not affect the self-excited vibration of hydroscillator, protect The freedom of motion of card instrument.
The content of the invention
The purpose of the present invention is to provide radially to damp to hydroscillator, there is provided a kind of radial direction damping unit.
The technical scheme is that there is provided a kind of radial direction damping unit, including upper bracket, lower carriage and base, lower Frame is fixed on base, and described lower carriage one end is by twisting pin connection upper bracket one end, and upper bracket is opened with twisting pin up and down as axle Close, the lower carriage other end by cotter pilotage and upper bracket other end grafting, the lower carriage and two two ends of upper bracket all connect after in Between be manhole, four oil cylinders are provided with the manhole, and four oil cylinders are evenly distributed in manhole.
The oil cylinder includes oil cylinder cover, cylinder barrel and the oil cylinder head being sequentially connected, and in the cylinder barrel, there is spring piston one end, separately The plunger that there is hydraulic piston, the spring piston one end passes through oil cylinder cover, and the outer end of spring piston plunger is provided with pellet slide rail, bullet Sub- slide rail is externally provided with pellet seat, inlays thrust ball bearing seat between pellet slide rail and pellet seat, and the thrust ball bearing seat can be In the gap of pellet slide rail and pellet seat slidably, spring is cased with the outside of the plunger of the spring piston, is set on spring piston There is boss, both ends of the spring is contacted with the boss of oil cylinder cover and spring piston respectively, dish is cased with the outside of the plunger of the hydraulic piston Spring, hydraulic piston are provided with boss, and disc spring two ends are contacted with the boss of spring piston and hydraulic piston respectively, hydraulic piston with oil Cylinder head contact portion is provided with cavity, and limited post is provided with cavity, and the oil cylinder head is provided with pipe joint, can be by pipeline and hydraulic pressure The cavity connection of piston.
There is mobilizable ball-joint the oil cylinder end, is fixed by pin with upper bracket or lower carriage.
The plunger end of the hydraulic piston is provided with passage, and one end that the spring piston is contacted with disc spring is provided with groove, The plunger termination 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 provided with air-vent.
O-ring sealing is provided between the cylinder barrel and hydraulic piston, O-ring two ends are supported by otch back-up ring, cylinder barrel and oil Axial sealing ring sealing is provided between cylinder head.
The pellet slide rail surface roughness is less than 0.4, pellet slide rail and thrust ball bearing seated connection contacting surface surface roughness Less than 0.4.
The cylinder barrel is and is threadedly coupled with oil cylinder cover and oil cylinder head, and the pellet slide rail is to be threadedly coupled with pellet seat, The spring piston is screwed with pellet slide rail.
There is hole on the pellet seat, bore dia is less than thrust ball bearing seat external diameter, and thrust ball bearing seat exposes in pellet seat Hole outside 1mm to 5mm.
Beneficial effects of the present invention:
(1) this radial direction damping unit Stability Analysis of Structures that the present invention is provided, easy to operate, cost is relatively low, can be to hydraulic oscillation Device is provided and is radially damped.
(2) this radial direction damping unit that the present invention is provided is oily by two are respectively provided with the upper bracket and lower carriage Cylinder, the oil cylinder end have mobilizable ball-joint, are fixed by pin with upper bracket and lower carriage, when instruments such as hydroscillators During vibration, vibration is delivered to oil cylinder, and four oil cylinders are produced to instruments such as hydroscillators jointly and radially damped, due to oil cylinder end There is ball-joint between upper bracket, lower carriage, so not affecting the self-excited vibration of hydroscillator, it is ensured that freedom of motion.
(3) cylinder structure that this radial direction damping unit that the present invention is provided is used is simple, easy to operate, can shake for waterpower Swing device and axial thrust is provided, and make hydroscillator instrument ensure work when being accommodated by this slidably compression cylinder of the present invention The freedom of motion of tool.
(4) present invention provide this radial direction damping unit using oil cylinder have ventilation by the plunger end in hydraulic piston Hole, the exhaust that passage is used for inside cylinder tube, passage is always maintained at open-minded, is prevented from building the pressure and shadow during cylinder efficient Normal operation is rung, air-vent is provided with oil cylinder cover end face, air-vent can be discharged the gas of spring piston one end, further be kept away Exempt to build the pressure inside oil cylinder.
(5) present invention provide this radial direction damping unit using oil cylinder by O is provided between cylinder barrel and hydraulic piston Type circle is sealed, and O-ring two ends are supported by otch back-up ring, and axial sealing ring sealing, O-ring and axle are provided between cylinder barrel and oil cylinder head Oil can be avoided to enter inside cylinder tube or overflow to the sealing of sealing ring, the support of otch back-up ring increased O-ring Stablize.
(6) oil cylinder that this radial direction damping unit that the present invention is provided is used passes through screw by spring piston and pellet slide rail Fixed, when tool vibrations such as hydroscillators, axial vibration power is delivered on thrust ball bearing seat, and thrust ball bearing seat is by power It is delivered on pellet slide rail, as plunger of the pellet slide rail with spring piston is screwed, is to be rigidly connected, so axially Vibration force and vibration displacement are delivered on spring piston, and disc spring, axial vibration power meeting are provided between spring piston and hydraulic piston Reciprocal compression disc spring, so slidably compression cylinder does not affect hydroscillator to the thrust that the instruments such as hydroscillator apply The free degree is shaken Deng instrument, by being and being threadedly coupled with oil cylinder cover and oil cylinder head using cylinder barrel, pellet slide rail with pellet seat is Threaded connection, it is easy to disassemble.
(7) oil cylinder that this radial direction damping unit that the present invention is provided is used is by little using pellet slide rail surface roughness In 0.4, pellet slide rail is less than 0.4 with thrust ball bearing seated connection contacting surface surface roughness, reduces friction, it is to avoid to hydroscillator The thrust applied Deng instrument affects the instruments such as the hydroscillator vibrations free degree, by being provided with resistance 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 accompanying drawing.
Description of the drawings
Fig. 1 is the structural representation of radial direction damping unit of the present invention;
Fig. 2 is the structural representation of oil cylinder in the present invention.
Description of reference numerals:1st, upper bracket;2nd, lower carriage;3rd, twist pin;4th, cotter pilotage;5th, pin;6th, oil cylinder;7th, base;8、 Manhole;
101st, cylinder barrel;102nd, hydraulic piston;103rd, spring piston;104th, oil cylinder cover;105th, pellet slide rail;106th, pellet seat; 107th, thrust ball bearing seat;108th, spring;109th, oil cylinder head;110th, disc spring;111st, limited post;112nd, pipe joint;113rd, it is resistance to Bull ring;114th, passage;115th, air-vent;116th, O-ring;117th, otch back-up ring;118th, axial sealing ring.
Specific embodiment
Embodiment 1:
Radially damp to provide to hydroscillator, present embodiments provide a kind of radial direction damping unit as shown in Figure 1, wrap Upper bracket 1, lower carriage 2 and base 7 are included, lower carriage 2 is fixed on base 7,2 one end of the lower carriage is connected by strand pin 3 and propped up Frame 1 one is terminated, and upper bracket 1 is to twist pin 3 as the upper and lower folding of axle, and 2 other end of lower carriage is by cotter pilotage 4 and 1 other end of upper bracket It is manhole 8 that grafting, the lower carriage 2 and 1 two ends of upper bracket are middle after all connecting, and is provided with four in the manhole 8 Oil cylinder 6, and four oil cylinders 6 are evenly distributed in manhole 8.
The operation principle of this radial direction damping unit that the present invention is provided is as follows:
Lower carriage 2 is fixed on advance base 7, and cotter pilotage 4 is extracted out, and upper bracket 1 is rotated with twisting pin 3 as axle, is reached and lower carriage 2 Separate the instruments such as opening, hydroscillator to be placed in the radial direction damping unit of unlatching, close upper bracket 1, put on cotter pilotage 4, when oil cylinder 6 applies thrust, four 6 stepless actions of oil cylinder in instruments such as hydroscillators radially, to hydroscillator Produce and radially damp.
This radial direction damping unit Stability Analysis of Structures of the present invention, easy to operate, cost is relatively low, can carry to hydroscillator Damp for radial direction.
Embodiment 2:
On the basis of embodiment 1, a kind of radial direction damping unit as shown in Figure 2 is present embodiments provided, the oil cylinder 6 includes Oil cylinder cover 104, cylinder barrel 101 and the oil cylinder head 109 being sequentially connected, in the cylinder barrel 101, there are spring piston 103, the other end in one end The plunger for having hydraulic piston 102, the spring piston 103 passes through oil cylinder cover 104, and the outer end of 103 plunger of spring piston is provided with bullet Sub- slide rail 105, pellet slide rail 105 are externally provided with pellet seat 106, inlay thrust ball bearing between pellet slide rail 105 and pellet seat 106 Seat 107, the thrust ball bearing seat 107 can be in the gap of pellet slide rail 105 with pellet seat 106 slidably, the spring Be cased with spring 108 on the outside of the plunger of piston 103, spring piston 103 is provided with boss, 108 two ends of spring respectively with oil cylinder cover 104 Contact with the boss of spring piston 103, disc spring 110 is cased with the outside of the plunger of the hydraulic piston 102, is set on hydraulic piston 102 There is boss, 110 two ends of disc spring are contacted with the boss of spring piston 103 and hydraulic piston 102 respectively, hydraulic piston 102 and oil cylinder 109 contact portions are provided with cavity, and limited post 111 is provided with cavity, and the oil cylinder head 109 is provided with pipe joint 112, can be by Pipeline is connected with the cavity of hydraulic piston 102.
The operation principle of oil cylinder 6 is as follows:
Pipeline is threaded connection in the pipe joint 112 of oil cylinder head 109, by the pipeline to oiling in cylinder barrel, due to hydraulic pressure Piston 102 is provided with limited post 111 with 109 contact portion of oil cylinder head, and oil is entered in 102 cavity of hydraulic piston, and hydraulic piston 102 exists Move and transmitting thrust to the reverse generation of oil cylinder head 109 in the presence of oil pressure, displacement is delivered to by hydraulic piston 102 with thrust In disc spring 110, disc spring 110 is delivered to displacement and thrust on spring piston 103, spring piston 103 and pellet slide rail 105, bullet Thrust is passed to what is contacted with thrust ball bearing seat 107 by stroma 106, the 107 common generation displacement of thrust ball bearing seat and thrust The instruments such as hydroscillator, now spring 108 compressed, after oiling stops, compressed spring 108 is acted in its own resilient Under, spring piston 103 is resetted, while promoting disc spring 110 to reset, and then promotes hydraulic piston 102 to reset.
Cylinder structure used in this radial direction damping unit of the present invention is simple, easy to operate, can be hydroscillator There is provided and radially damp, and make hydroscillator instrument ensure instrument 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 6 end of the oil cylinder, pass through with upper bracket 1 or lower carriage 2 Pin 5 is fixed, and can respectively connect two oil cylinders on upper bracket 1 and lower carriage 2, is easy to distribution, when the instruments such as hydroscillator shake When dynamic, vibration is delivered to oil cylinder 6, and four common generations to instruments such as hydroscillators of oil cylinders 6 radially damp, due to oil cylinder 6 it is last There is ball-joint between end and upper bracket, lower carriage, so not affecting the self-excited vibration of hydroscillator, it is ensured that freedom of motion.Enter One step, light in order to operate, upper bracket 1 could be arranged to handle is provided with circular arc, and upper bracket 1, be easy to Open and close upper bracket 1.
Embodiment 3:
On the basis of embodiment 2, a kind of radial direction damping unit as shown in Figure 2, the hydraulic piston are present embodiments provided 102 plunger end has passage 114, and one end that the spring piston 103 is contacted with disc spring 110 is provided with groove, hydraulic piston 102 Plunger termination be located in the groove of spring piston 103, and the groove of the plunger end face of hydraulic piston 102 and spring piston 103 Do not contact.The exhaust that passage 114 is used for inside cylinder tube 101, passage 114 is always maintained at open-minded, is prevented from oil cylinder Build the pressure during work and affect normal operation.
Further, there is air-vent 115 on 104 end face of the oil cylinder cover, air-vent 115 can discharge spring piston 103 The gas of one end, further avoids building the pressure inside oil cylinder.
Embodiment 4:
On the basis of embodiment 3, present embodiments provide a kind of radial direction damping unit as shown in Figure 2, the cylinder barrel 101 with Sealed by O-ring 116 between hydraulic piston 102,116 two ends of O-ring are supported by otch back-up ring 117, cylinder barrel 101 and oil cylinder head Sealed by axial sealing ring 118 between 109, the sealing of O-ring 116 and axial sealing ring 118 can avoid oil from entering oil cylinder Cylinder is internal or overflows, and the support of otch back-up ring 117 increased stablizing for O-ring 116.
In order to reduce friction, 105 surface roughness of pellet slide rail is less than 0.4, pellet slide 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 delivered to thrust ball bearing seat On 107, as 105 surface roughness of pellet slide rail is less than 0.4, then as thrust ball bearing seat 107 is in pellet slide rail 105 and bullet Can slidably, so under radial load effect, thrust ball bearing seat 107 is in pellet slide rail 105 and water in the gap of stroma 6 Rolling is produced between forced oscillation device, frictional force is farthest reduced, it is to avoid friction is consumed, and farthest ensures that waterpower is shaken Swing the freedom of motion of device.
Embodiment 5:
On the basis of embodiment 4, a kind of radial direction damping unit as shown in Figure 2 is present embodiments provided, for the ease of dismounting, The cylinder barrel 101 is and is threadedly coupled with oil cylinder cover 104 and oil cylinder head 109, and the pellet slide rail 105 is spiral shell with pellet seat 106 Line connects.
Further, the spring piston 103 is screwed with pellet slide rail 105.When instruments such as hydroscillators During vibration, axial vibration power is delivered on thrust ball bearing seat 107, and thrust ball bearing seat 107 transfers force to pellet slide rail 105 On, as plunger of the pellet slide rail 105 with spring piston 103 is screwed, be to be rigidly connected, so axial vibration power and Vibration displacement is delivered on spring piston 103, and disc spring 110, axial vibration are provided between spring piston 103 and hydraulic piston 102 Power can be reciprocal compression disc spring 110, so slidably compression cylinder does not affect water to the thrust that the instruments such as hydroscillator apply The instruments such as forced oscillation device shake the free degree.
Embodiment 6:
On the basis of embodiment 5, a kind of radial direction damping unit as shown in Figure 2 is present embodiments provided, in order to reduce spring The abrasion of piston 103, is provided with wear ring 113 between the spring piston 103 and cylinder barrel 101.
There is hole on the pellet seat 106, bore dia is less than 107 external diameter of thrust ball bearing seat, and thrust ball bearing seat 7 exposes 1mm to 5mm outside the hole of pellet seat 106.
Gap cooperation, the hydraulic piston 102 are between the cylinder barrel 101 and hydraulic piston 102 and spring piston 103 Plunger and spring piston 103 between coordinate for gap, between the disc spring 110 and hydraulic piston 102 and spring piston 103 Match somebody with somebody for gap, 103 plunger of the spring piston is gap cooperation, the spring piston 103 and pellet slide rail with oil cylinder cover 104 105 is interference fit, and between the plunger of cylinder barrel 101 and spring piston 103, mutual gap coordinates the spring 108, described , between the plunger of cylinder barrel 101 and hydraulic piston 102, mutual gap coordinates for plunger and disc spring 110.
Exemplified as above is only the illustration to the present invention, does not constitute the restriction to protection scope of the present invention, all It is that design same or analogous with the present invention is belonged within protection scope of the present invention.

Claims (8)

1. a kind of radial direction damping unit, it is characterised in that:Including upper bracket(1), lower carriage(2)And base(7), the lower carriage (2)It is fixed on base(7)On, lower carriage(2)One end is by twisting pin(3)Connection upper bracket(1)One end, and upper bracket(1)To twist Pin(3)For the upper and lower folding of axle, lower carriage(2)The other end passes through cotter pilotage(4)With upper bracket(1)Other end grafting, the lower carriage (2)With upper bracket(1)Two ends are middle for manhole after all connecting(8), the manhole(8)Four oil cylinders are provided with inside(6), And four oil cylinders(6)It is evenly distributed on manhole(8)It is interior.
2. the radial direction damping unit as described in claim 1, it is characterised in that:The oil cylinder(6)Including the oil cylinder being sequentially connected Lid(104), cylinder barrel(101)With oil cylinder head(109), the cylinder barrel(101)There is spring piston interior one end(103), the other end has liquid Pressure piston(102), the spring piston(103)Plunger pass through oil cylinder cover(104), spring piston(103)The outer end of plunger sets There is pellet slide rail(105), pellet slide rail(105)It is externally provided with pellet seat(106), pellet slide rail(105)With pellet seat(106)Between Inlay thrust ball bearing seat(107), the thrust ball bearing seat(107)Can be in pellet slide rail(105)With pellet seat(106)Between In gap slidably, the spring piston(103)Plunger on the outside of be cased with spring(108), spring piston(103)It is provided with convex Platform, spring(108)Two ends respectively with oil cylinder cover(104)And spring piston(103)Boss contact, the hydraulic piston(102) Plunger on the outside of be cased with disc spring(110), hydraulic piston(102)It is provided with boss, disc spring(110)Two ends respectively with spring piston (103)And hydraulic piston(102)Boss contact, hydraulic piston(102)With oil cylinder head(109)Contact portion is provided with cavity, chamber Limited post is provided with vivo(111), the oil cylinder head(109)It is provided with pipe joint(112), can be by pipeline and hydraulic piston (102)Cavity connection.
3. radial direction damping unit as claimed in claim 2, it is characterised in that:The oil cylinder(6)There is mobilizable ball-joint end, With upper bracket(1)Or lower carriage(2)By pin(5)It is fixed.
4. radial direction damping unit as claimed in claim 2, it is characterised in that:The hydraulic piston(102)Plunger end be provided with Passage(114), the spring piston(103)With disc spring(110)One end of contact is provided with groove, hydraulic piston(102)Post Plug termination is located at spring piston(103)Groove in, and hydraulic piston(102)Plunger end face and spring piston(103)It is recessed Groove is not contacted, the oil cylinder cover(104)End face is provided with air-vent(115).
5. radial direction damping unit as claimed in claim 2, it is characterised in that:The cylinder barrel(101)With hydraulic piston (102)Between be provided with O-ring(116)Sealing, O-ring(116)Two ends are by otch back-up ring(117)Support, cylinder barrel(101)With oil cylinder Head(109)Between be provided with axial sealing ring(118)Sealing.
6. radial direction damping unit as claimed in claim 2, it is characterised in that:The pellet slide rail(105)Surface roughness is little In 0.4, pellet slide rail(105)With thrust ball bearing seat(107)Contact surface surface roughness is less than 0.4.
7. radial direction damping unit as claimed in claim 2, it is characterised in that:The cylinder barrel(101)With oil cylinder cover(104)And oil Cylinder head(109)It is threaded connection, the pellet slide rail(105)With pellet seat(106)For threaded connection, the spring piston (103)With pellet slide rail(105)It is screwed.
8. radial direction damping unit as claimed in claim 2, it is characterised in that:The pellet seat(106)On have hole, bore dia is little In thrust ball bearing seat(107)External diameter, thrust ball bearing seat(107)Expose in pellet seat(106)Hole outside 1mm to 5mm.
CN201611131580.3A 2016-12-09 2016-12-09 A kind of radial direction damping unit Active CN106545729B (en)

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CN106545729B CN106545729B (en) 2018-10-09

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107228254A (en) * 2017-06-21 2017-10-03 廊坊市仁达岩土工程有限公司 A kind of integrated control system for vibroflotation construction

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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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