CN106545729B - A kind of radial direction damping unit - Google Patents

A kind of radial direction damping unit Download PDF

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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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CN
China
Prior art keywords
bracket
oil cylinder
piston
spring
pellet
Prior art date
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Application number
CN201611131580.3A
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Chinese (zh)
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CN106545729A (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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Priority to CN201611131580.3A priority Critical patent/CN106545729B/en
Publication of CN106545729A publication Critical patent/CN106545729A/en
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    • 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 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

A kind of radial direction damping unit
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.
CN201611131580.3A 2016-12-09 2016-12-09 A kind of radial direction damping unit Active CN106545729B (en)

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Publication number Priority date Publication date Assignee Title
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

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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
CN203189603U (en) * 2013-04-09 2013-09-11 甘肃蓝科石化高新装备股份有限公司 Novel elastic damping righting frame
CN104005924A (en) * 2013-02-25 2014-08-27 白巨章 High-power radial plunger pump
CN205057529U (en) * 2015-10-27 2016-03-02 六安瑞普数控装备有限公司 Centering hydraulic pressure centre frame
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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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN104005924A (en) * 2013-02-25 2014-08-27 白巨章 High-power radial plunger pump
CN203189603U (en) * 2013-04-09 2013-09-11 甘肃蓝科石化高新装备股份有限公司 Novel elastic damping righting frame
CN205057529U (en) * 2015-10-27 2016-03-02 六安瑞普数控装备有限公司 Centering hydraulic pressure centre frame
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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