CN105864349A - Hydraulic automatic pre-tightening shock isolator - Google Patents
Hydraulic automatic pre-tightening shock isolator Download PDFInfo
- Publication number
- CN105864349A CN105864349A CN201610322254.4A CN201610322254A CN105864349A CN 105864349 A CN105864349 A CN 105864349A CN 201610322254 A CN201610322254 A CN 201610322254A CN 105864349 A CN105864349 A CN 105864349A
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- Prior art keywords
- spring
- contact surface
- piston
- push pedal
- equipment
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- 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.)
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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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/002—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising at least one fluid spring
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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
- 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
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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
- 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
- F16F15/027—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 comprising control arrangements
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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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2222/00—Special physical effects, e.g. nature of damping effects
- F16F2222/12—Fluid damping
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Fluid-Damping Devices (AREA)
- Vibration Dampers (AREA)
Abstract
The invention provides a hydraulic automatic pre-tightening shock isolator. The hydraulic automatic pre-tightening shock isolator comprises equipment, a sleeve, a spring A and a spring B. According to the hydraulic automatic pre-tightening shock isolator, the shock isolating demands of equipment very high in position precision requirement in existing ships are mainly met, the shock isolator is adapted to different shock environments by automatically adjusting a pre-tightening load of the shock isolator, and the shock-resistant purpose of such kind of equipment is achieved.
Description
Technical field
The present invention relates to a kind of shock resistance isolator, particularly to a kind of hydraulic pressure for precision equipment automatic pretension shock isolator, belong to equipment anti-shock technical field.
Background technology
Naval vessel is inevitably attacked by all kinds of weapon such as submarine mine, torpedo in operation, although the consequent Explosive Shock Loading of noncontact under water will not directly contribute the destruction of warship structure, but warship equipment occurrence of large-area can be caused to destroy, and then cause naval vessel to lose fighting capacity and vitality.There is the measurement such as compass, fire control radar, detecting devices on naval vessels, it is the highest to position accuracy demand simultaneously, even if the least disturbance also results in cisco unity malfunction in the one section time.Shock resistance isolator for this kind equipment, need holding equipment can install with warship body approximation rigidity, for realizing this function, a certain amount of prefastening load can be set inside isolator, extraneous less disturbance can be resisted, and when shock loading is more than prefastening load, rely on the deformation of internal elastomeric to reduce the shock loading of the equipment that is transferred to.Shock environment affects one key factor of shock isolator impact isolating performance.Single prefastening load does not adapt to different shock environments, in order to for the different different prefastening loads of shock environment design, thus strengthen precision equipment every the ability of rushing.Therefore, it is necessary to invent the equipment that a kind of shock isolator that can automatically adjust prefastening load is the highest to position accuracy demand in naval vessel.
Summary of the invention
Goal of the invention: invention provides a kind of hydraulic pressure automatic pretension shock isolator, its objective is to solve the most existing problem.
Technical scheme: invention is achieved through the following technical solutions:
A kind of hydraulic pressure automatic pretension shock isolator, it is characterised in that: this isolator includes equipment, sleeve, spring A and spring B；Equipment includes that equipment includes that connecting rod and equipment end, connecting rod one end are connected with equipment end, and the other end is connected with the push pedal in sleeve in putting in sleeve through sleeve end cap；The bottom of sleeve being provided with hydraulic oil port, is additionally provided with piston in sleeve, piston is arranged on the top of hydraulic oil port and the lower section of push pedal, and piston can form moving sets along sleeve lining axially-movable with push pedal；Described spring A includes spring A contact surface C and spring A contact surface D；Described spring B includes spring B contact surface E and spring B contact surface F；Spring A is enclosed within outside connecting rod, and spring B is arranged between piston and push pedal, and the spring A contact surface C of spring A contacts connection with the end cap contact surface of sleeve end cap, and the spring A contact surface D of spring A contacts connection with the contact surface of push pedal；The spring B contact surface E of spring B contacts connection with the bottom surface of push pedal, and spring B contact surface F contacts connection with the contact surface of piston；The surrounding of piston and sleeve lining oil seal.
Connecting rod is ending cover hole with the part through end cap, connecting rod and the matched in clearance of ending cover hole so that connecting rod can move axially along ending cover hole along with push pedal, forms sliding pair.
The position that connecting rod is connected with push pedal is provided with equipment and connects screw thread, and push pedal is screwed in connecting rod by this connection screw thread fine jade.
The surrounding of piston is provided with sealing ring.
Piston includes piston interface and is arranged on the sealing ring mounting groove of piston side wall, and sealing ring is arranged in sealing ring mounting groove.
Advantageous effect:
The present invention provides a kind of hydraulic pressure automatic pretension shock isolator, its be primarily directed to equipment the highest to position accuracy demand in existing naval vessel every the demand of rushing, adapt to different shock environment by automatically adjusting the prefastening load of shock isolator, be used for meeting this type of equipment anti-shock purpose.
The invention has the beneficial effects as follows:
(1) for function; this isolator is in addition to shock resistance, vibration isolation; when suffering the impact shock load of small magnitude (small magnitude here refers to that load is less than the pretightning force of spring); spring is indeformable; be there is no relative motion by the precision instrument of insulation blocking with naval vessels, be particular enable to ensure the precision of navigator.
(2) propose the prefastening load by automatically adjusting shock isolator, adapt to different shock environments, thus improve equipment anti-shock ability the highest to position accuracy demand in naval vessel.
Accompanying drawing illustrates:
Fig. 1 hydraulic pressure automatic pretension shock isolator schematic diagram；
Fig. 2 hydraulic pressure automatic pretension shock isolator entirety sectional view；
Fig. 3 hydraulic pressure automatic pretension shock isolator entirety is without spring sectional view；
Fig. 4 equipment schematic diagram；
Fig. 5 end cap schematic diagram；
Fig. 6 spring A schematic diagram；
Fig. 7 spring B schematic diagram；
Fig. 8 push pedal schematic diagram；
Fig. 9 piston schematic diagram；
Figure 10 pedestal sectional view.
Detailed description of the invention:
The present invention provides a kind of hydraulic pressure automatic pretension shock isolator, and this isolator includes equipment 1, sleeve, spring A4 and spring B 6；Equipment 1 includes that equipment 1 includes that connecting rod 1-2 and equipment end 1-3, connecting rod 1-2 one end are connected with equipment end 1-3, and the other end is connected with the push pedal 5 in sleeve in putting in sleeve through sleeve end cap 2；The bottom of sleeve is provided with hydraulic oil port 9-3, piston 7 it is additionally provided with in sleeve, piston 7 is arranged on top and the lower section of push pedal 5 of hydraulic oil port 9-3, that is piston 7 is arranged between hydraulic oil port 9-3 and push pedal 5, piston 7 can form moving sets along sleeve lining 9-7 axially-movable with push pedal 5；Described spring A4 includes spring A contact surface C4-1 and spring A contact surface D4-2；Described spring B 6 includes spring B contact surface E6-1 and spring B contact surface F6-2；Spring A4 is enclosed within outside connecting rod 1-2, and spring B 6 is arranged between piston 7 and push pedal 5, and the spring A contact surface C4-1 of spring A4 contacts connection with the end cap contact surface 2-2 of sleeve end cap 2, and the spring A contact surface D4-2 of spring A4 contacts connection with the contact surface 5-1 of push pedal 5；The spring B contact surface E6-1 of spring B 6 contacts connection with the bottom surface of push pedal 5, and spring B contact surface F6-2 contacts connection with the contact surface 7-1 of piston 7；The surrounding of piston 7 and sleeve lining 9-7 oil seal.
Connecting rod 1-2 is ending cover hole 2-3 with the part through end cap 2, connecting rod 1-2 and the matched in clearance of ending cover hole 2-3 so that connecting rod 1-2 can move axially along ending cover hole 2-3 along with push pedal 5, forms sliding pair.
The position that connecting rod 1-2 is connected with push pedal 5 is provided with equipment and connects screw thread 1-1, and push pedal 5 is screwed in connecting rod 1-2 by this connection screw thread 1-1 fine jade.
The surrounding of piston 7 is provided with sealing ring 8.
Piston 7 includes piston interface 7-1 and is arranged on the sealing ring mounting groove 7-2 of piston 7 sidewall, and sealing ring 8 is arranged in sealing ring mounting groove 7-2.
The present invention will be further described below in conjunction with the accompanying drawings:
As shown in Figure 1, Figure 2 and Figure 3, described hydraulic pressure automatic pretension shock isolator includes: equipment end 1-3, connecting rod 1-2, end cap 2, connecting bolt 3, spring A4, push pedal 5, spring B 6, piston 7, sealing ring 8 and pedestal 9.
As shown in Figure 4, described equipment 1 includes: equipment connects screw thread 1-1, connecting rod 1-2 and equipment 1-3；As it is shown in figure 5, shown end cap 2 includes: end cap connecting hole 2-1, end cap contact surface 2-2 and ending cover hole 2-3.
As shown in Figure 6, described spring A4 includes: spring A contact surface C4-1 and spring A contact surface D4-2；As it is shown in fig. 7, described spring B 6 includes: spring B contact surface E6-1 and spring B contact surface F6-2.
As shown in Figure 8, described push pedal 5 includes: push pedal contact surface 5-1 and push pedal connecting hole 5-2；As it is shown in figure 9, described piston 7 includes piston interface 7-1 and sealing ring mounting groove 7-2；As shown in Figure 10, described pedestal 9 includes: sleeve flange 9-1, sleeve outer wall 9-2, hydraulic oil port 9-3, pedestal bottom plate 9-4, pedestal fixing hole 9-5, flange connecting hole 9-6 and sleeve lining 9-7.
Hydraulic pressure automatic pretension shock isolator specifically includes that equipment 1-3, end cap 2, connecting bolt 3, spring A4, push pedal 5, spring B 6, piston 7, sealing ring 8 and pedestal 9.Piston 7 is arranged in sleeve lining 9-7 and is positioned at above hydraulic oil port 9-3, spring A4, push pedal 5 and spring B 6 are arranged on sleeve lining 9-7, the spring A contact surface D4-2 of spring A4 contacts connection with push pedal contact surface 5-1, the end cap contact surface 2-2 contact of the spring A contact surface C4-1 end cap 2 of spring A4 connects, the spring B contact surface E6-1 of spring B 6 contacts connection with push pedal 5, and the spring B contact surface F6-2 of spring B 6 contacts connection with piston interface 7-1；End cap connecting hole 2-1 on end cap 2 is bolted to connection with the flange connecting hole 9-6 on the sleeve flange 9-1 of pedestal 9；Connecting rod screw thread 1-1 in connecting rod 1-2 and the push pedal connecting hole 5-2 of push pedal 5 is connected fixing, connecting rod 1-2 and the ending cover hole 2-3 matched in clearance of end cap 2, connecting rod 1-2 can move axially along ending cover hole 2-3, forms sliding pair, the sealing ring mounting groove 7-2 of piston 7 is provided with sealing ring 8；Piston 7 can form moving sets along sleeve lining 9-7 axially-movable with push pedal 5；Pedestal 9 is bolted to connection with laboratory table by pedestal fixing hole 9-5.
Hydraulic pressure automatic pretension shock isolator detailed description of the invention:
The concrete spring automatic pretension process of hydraulic pressure automatic pretension shock isolator: before by impact loading, hydraulic oil port 9-3 to pedestal 9 is passed through hydraulic oil, piston 7 is under hydraulic oil effect, move upward along sleeve lining 9-7, thus compression spring A4 and spring B 6 produce compression, determine spring A4 and the decrement of spring B 6 by regulating the pressure of hydraulic oil, thus realize hydraulic pressure and automatically change the function of shock isolator inner spring pretightning force.
Hydraulic pressure automatic pretension shock isolator is under forward impact load effect, and it moves and is divided into four-stage:
First stage, the pedestal of hydraulic pressure automatic pretension shock isolator is under forward impact load effect, pedestal 9 moment moves upward, equipment end 1-3 keeps original resting state due to inertia, equipment opposite base 9 is moved downward, equipment end 1-3 promotes connecting rod 1-2 and push pedal 5 to move downward, spring B 6 compression under push pedal 5 promotes；Equipment end 1-3 under percussion is buffered under the effect of spring B 6, when equipment end 1-3 moves downward, until the kinetic energy of equipment end 1-3 is completely converted into the elastic potential energy of spring B 6, the stop motion of equipment end 1-3.
Second stage, under spring B 6 restoring force effect, spring B contact surface E6-1 upwardly push pedal 5, connecting rod 1-2 and equipment end 1-3 of spring B 6 move upward, until spring recovers to be deformed into initial rest position；
Phase III, owing to the elastic potential energy of spring B 6 is converted to the kinetic energy of equipment end 1-3, equipment end 1-3 keeps original kinestate, continue up, haul connecting rod 1-2 and push pedal 5 moves upwardly together, push pedal 5 compression spring A4 is deformed, until the kinetic energy of equipment end 1-3 is completely converted into the elastic potential energy of spring A4, the stop motion of equipment end 1-3.
Fourth stage, under the restoring force effect of spring A4, the spring A contact surface D4-2 of spring A4 pushes push pedal 5, connecting rod 1-2 and equipment end 1-3 and moves downward, until spring A4 recovers initial rest position, all elastic potential energys of spring A4 are changed into the kinetic energy of equipment end 1-3.
After experiencing this four-stage, hydraulic pressure automatic pretension shock isolator is constantly in the conversion between spring potential energy and equipment kinetic energy, until hydraulic pressure automatic pretension shock isolator system capacity consumption is zero.
Claims (5)
1. a hydraulic pressure automatic pretension shock isolator, it is characterised in that: this isolator includes equipment (1), sleeve, spring A(4) and spring B (6)；Equipment (1) includes that equipment (1) includes connecting rod (1-2) and equipment end (1-3), and connecting rod (1-2) one end is connected with equipment end (1-3), and the other end is connected with the push pedal (5) in sleeve in putting in sleeve through sleeve end cap (2)；Hydraulic oil port (9-3) it is provided with in the bottom of sleeve, piston (7) it is additionally provided with in sleeve, piston (7) is arranged on top and the lower section of push pedal (5) of hydraulic oil port (9-3), and piston (7) can form moving sets along sleeve lining (9-7) axially-movable with push pedal (5)；Described spring A(4) include spring A contact surface C(4-1) and spring A contact surface D(4-2)；Described spring B (6) includes spring B contact surface E(6-1) and spring B contact surface F(6-2)；Spring A(4) it is enclosed within connecting rod (1-2) outward, spring B (6) is arranged between piston (7) and push pedal (5), spring A(4) spring A contact surface C(4-1) contact connection, spring A(4 with the end cap contact surface (2-2) of sleeve end cap (2)) and spring A contact surface D(4-2) contact connection with the contact surface (5-1) of push pedal (5)；The spring B contact surface E(6-1 of spring B (6)) contact connection, spring B contact surface F(6-2 with the bottom surface of push pedal (5)) contact connection with the contact surface (7-1) of piston (7)；The surrounding of piston (7) and sleeve lining (9-7) oil seal.
Hydraulic pressure the most according to claim 1 automatic pretension shock isolator, it is characterized in that: connecting rod (1-2) is ending cover hole (2-3) with the part through end cap (2), connecting rod (1-2) and the matched in clearance of ending cover hole (2-3), connecting rod (1-2) can be moved axially along ending cover hole (2-3) along with push pedal (5), form sliding pair.
Hydraulic pressure the most according to claim 1 automatic pretension shock isolator, it is characterized in that: the position that connecting rod (1-2) is connected with push pedal (5) is provided with equipment and connects screw thread (1-1), and push pedal (5) is screwed in connecting rod (1-2) by this connection screw thread (1-1) fine jade.
Hydraulic pressure the most according to claim 1 automatic pretension shock isolator, it is characterised in that: the surrounding of piston (7) is provided with sealing ring (8).
Hydraulic pressure the most according to claim 4 automatic pretension shock isolator, it is characterized in that: piston (7) includes piston interface (7-1) and is arranged on the sealing ring mounting groove (7-2) of piston (7) sidewall, sealing ring (8) is arranged in sealing ring mounting groove (7-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610322254.4A CN105864349B (en) | 2016-05-16 | 2016-05-16 | Hydraulic pressure pre-tightens shock isolator automatically |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610322254.4A CN105864349B (en) | 2016-05-16 | 2016-05-16 | Hydraulic pressure pre-tightens shock isolator automatically |
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| Publication Number | Publication Date |
|---|---|
| CN105864349A true CN105864349A (en) | 2016-08-17 |
| CN105864349B CN105864349B (en) | 2018-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610322254.4A Expired - Fee Related CN105864349B (en) | 2016-05-16 | 2016-05-16 | Hydraulic pressure pre-tightens shock isolator automatically |
Country Status (1)
| Country | Link |
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| CN (1) | CN105864349B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704459A (en) * | 2016-10-11 | 2017-05-24 | 沈阳工业大学 | Isolator capable of automatically adjusting pretension force |
| CN106763462A (en) * | 2016-10-11 | 2017-05-31 | 沈阳工业大学 | Fluid pressure type active shock isolator |
| CN113594999A (en) * | 2021-07-05 | 2021-11-02 | 国网河北省电力有限公司平山县供电分公司 | Cable self-rescue device for mountainous area |
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| US4351515A (en) * | 1979-07-02 | 1982-09-28 | Toyota Jidosha Kogyo Kabushiki Kaisha | Feedback control type shock absorbing suspension system |
| CN201027881Y (en) * | 2007-01-16 | 2008-02-27 | 严紫金 | Vehicle oil-gas energy-saving vibration absorber and its application in compression refrigeration system |
| CN102128233A (en) * | 2011-02-25 | 2011-07-20 | 重庆大学 | Multi-strand spiral spring shock absorber |
| CN202833816U (en) * | 2012-10-30 | 2013-03-27 | 成都市翻鑫家科技有限公司 | Spring shock absorber |
| CN203656012U (en) * | 2013-12-24 | 2014-06-18 | 北京九州一轨隔振技术有限公司 | Bidirectional blocking valve for viscous damper |
| KR20150098091A (en) * | 2014-02-19 | 2015-08-27 | 고두일 | Shock absorber apparatus for vehicle using magnetic force |
| CN206054610U (en) * | 2016-05-16 | 2017-03-29 | 沈阳工业大学 | The automatic pretension shock isolator of hydraulic pressure |
-
2016
- 2016-05-16 CN CN201610322254.4A patent/CN105864349B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4351515A (en) * | 1979-07-02 | 1982-09-28 | Toyota Jidosha Kogyo Kabushiki Kaisha | Feedback control type shock absorbing suspension system |
| CN201027881Y (en) * | 2007-01-16 | 2008-02-27 | 严紫金 | Vehicle oil-gas energy-saving vibration absorber and its application in compression refrigeration system |
| CN102128233A (en) * | 2011-02-25 | 2011-07-20 | 重庆大学 | Multi-strand spiral spring shock absorber |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704459A (en) * | 2016-10-11 | 2017-05-24 | 沈阳工业大学 | Isolator capable of automatically adjusting pretension force |
| CN106763462A (en) * | 2016-10-11 | 2017-05-31 | 沈阳工业大学 | Fluid pressure type active shock isolator |
| CN106763462B (en) * | 2016-10-11 | 2019-08-02 | 沈阳工业大学 | Fluid pressure type active shock isolator |
| CN106704459B (en) * | 2016-10-11 | 2019-08-02 | 沈阳工业大学 | Automatically adjust pretightning force isolator |
| CN113594999A (en) * | 2021-07-05 | 2021-11-02 | 国网河北省电力有限公司平山县供电分公司 | Cable self-rescue device for mountainous area |
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| Publication number | Publication date |
|---|---|
| CN105864349B (en) | 2018-09-07 |
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