CN106640843A - Pin valve type speed locking device - Google Patents
Pin valve type speed locking device Download PDFInfo
- Publication number
- CN106640843A CN106640843A CN201611205529.2A CN201611205529A CN106640843A CN 106640843 A CN106640843 A CN 106640843A CN 201611205529 A CN201611205529 A CN 201611205529A CN 106640843 A CN106640843 A CN 106640843A
- Authority
- CN
- China
- Prior art keywords
- cylinder body
- locking device
- type speed
- pin valve
- cylinder
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
- F15B15/26—Locking mechanisms
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1447—Pistons; Piston to piston rod assemblies
- F15B15/1452—Piston sealings
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention discloses a pin valve type speed locking device. The pin valve type speed locking device comprises a hollow pipe type cylinder body; end covers are respectively fixed at two ends of the cylinder body; one end of a piston rod in the cylinder body penetrates through the end cover at the left end to connect with a lug ring 1, and the other end penetrates through the end cover at the right end to enter an inner cavity of a connecting cylinder connected with the cylinder body; a connecting block is arranged in the inner diameter of a free end of the connecting cylinder; a lug ring II is arranged in the inner diameter of the connecting block; a piston ring sealed with the inner diameter of the cylinder body and sliding relative to the inner diameter of the cylinder body is arranged on the outer wall of the piston rod; two sides of the piston ring, the end covers on the left and right two sides and the inner diameter of the cylinder body surround a cylinder cavity I and a cylinder cavity II for accommodating a filling medium; and the piston ring is radially provided with a pin valve module to be opened by slowly moving the piston rod and to be closed by quickly moving the piston rod. The pin valve type speed locking device is high in stability and wide in temperature adaption range.
Description
Technical field
The invention belongs to a kind of speed locking device, and in particular to one kind pin valve type speed locking device.
Background technology
Speed locking device is used as a kind of non-energy-dissipating type load transfer device, it is desirable to which it is deformed at a slow speed in bridge by factors such as temperature
Under can be with free movement, when speed exceedes its controlling value, it can pin motion as the safety belt in automobile, play point
Dissipate and shift the effect of stress.At present, the speed locking device for generally using is filled as it using flexible silicon clay medium
Medium, the function of speed lockup is realized by the high spring load characteristic of material using clearance-type structure.But flexible silicon clay medium
Exist to the temperature sensitive characteristic of use environment so that this kind of speed locking device scope of application is limited.
The content of the invention
The present invention proposes to solve the problems, such as prior art, its objective is to provide a kind of pin valve type speed lockup dress
Put.
The technical scheme is that：One kind pin valve type speed locking device, including the cylinder body of hollow tubular, the cylinder body
Two ends are respectively and fixedly provided with end cap, and the piston rod one end in cylinder body is connected through after the end cap of left end with No. I earrings, and the other end is through the right side
The end cap at end is entered in the connection tube inner chamber being connected with cylinder body, and in the internal diameter of connecting cylinder free end contiguous block is provided with, contiguous block
No. II earrings is provided with internal diameter, the piston ring for sealing with cylinder diameter and sliding, piston are provided with the piston rod outer wall
Enclose to form No. I cylinder chamber, No. II cylinder chamber for accommodating filled media between ring both sides, the end cap of the left and right sides, cylinder diameter,
The piston ring has been radially arranged piston rod and has moved slowly at opening, the quick mobile pin valve module closed.
The pin valve module includes the valve pocket being fixed in piston ring through hole, and dividing with through hole is formed in the valve pocket internal diameter
Dividing plate, the valve pocket two ends are provided with pressing plate, and the throttling bearing pin of demarcation strip, two side guides, institute are provided through in the valve pocket
The fixing nut that throttling bearing pin two ends arrange limited location pressing plate is stated, between the pressing plate, demarcation strip compression spring is provided with.
Throttling bearing pin middle part formed be easy to filled media to pass through or plugging separating plate necking part, throttling bearing pin two ends
Form external screw thread.
Pressing plate middle part forms the through hole that bearing pin of being easy to throttle passes through, and is easy to the runner hole that filled media passes through.
The piston ring is fixed by being fixed at piston rod outer wall the locking nut for compressing its both sides.
The cylinder body two ends are including the stepped of path end difference and big footpath end difference, and end cap is arranged on path ladder
Portion, is provided with dead ring in big footpath end difference, the dead ring is fixed end cap, and its outer wall is solid with big footpath end difference screw thread
It is fixed.
Static seal is provided between the end cap outer wall and cylinder body, is provided between the end cap inwall and piston rod dynamic close
Envelope.
Described connecting cylinder one end is screwed with cylinder body, is screwed with contiguous block at other end inwall, No. II ear
Ring is fixed with contiguous block internal diameter whorl.
The filled media is silicone oil.
The present invention forms No. I cylinder chamber, No. II cylinder chamber that accommodate silicone oil medium by piston ring, cylinder body, end cap, passes through
No. I cylinder chamber, No. II cylinder chamber connection when pin valve module in piston ring realizes that piston rod is moved slowly at, No. I when quick mobile
Cylinder chamber, No. II cylinder chamber close to realize speed lockup, and stability of the present invention is high, and Acclimation temperature scope is wide.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the structural representation that valve module is sold in the present invention；
Fig. 3 is the stereogram of center platen of the present invention；
Fig. 4 is the stereogram of throttling bearing pin in the present invention；
Wherein：
1 No. I piston rods of earrings 2
The end cap of 3 dead ring 4
The piston ring of 5 filled media 6
The cylinder body of 7 snap ring 8
The contiguous block of 9 connecting cylinder 10
11 No. II dynamic sealings of earrings 12
The 13 pin valve pockets of valve module 14
The 15 throttling compression springs of bearing pin 16
The fixing nut of 17 pressing plate 18
19 No. I valve pocket chambers 20 II valve pocket chamber
21 No. I cylinder chambers, 22 No. II cylinder chambers.
Specific embodiment
Hereinafter, referring to the drawings and embodiment the present invention is described in detail：
As shown in Fig. 1 ~ 4, one kind sells valve type speed locking device, including the cylinder body 8 of hollow tubular, and the two ends of the cylinder body 8 are solid
Surely there is end cap 4, the one end of piston rod 2 in cylinder body 8 is connected through after the end cap 4 of left end with No. I earrings 1, and the other end passes through right-hand member
End cap 4 enter in the inner chamber of connecting cylinder 9 that is connected with cylinder body 8, be provided with contiguous block 10 in the free end internal diameter of connecting cylinder 9, connection
No. II earrings 11 is provided with the internal diameter of block 10, the work for being provided with the outer wall of the piston rod 2 with the inner diameter seal of cylinder body 8 and sliding
Plug ring 6, encloses to form No. I cylinder body for accommodating filled media 5 between the both sides of piston ring 6, the end cap 4 of the left and right sides, the internal diameter of cylinder body 8
The cylinder chamber 22 of chamber 21, II, the piston ring 6 has been radially arranged piston rod 2 and has moved slowly at opening, the quick mobile pin valve closed
Component 13.
The pin valve module 13 includes the valve pocket 14 being fixed in the through hole of piston ring 6, and in the internal diameter of the valve pocket 14 band is formed
The demarcation strip of through hole, the two ends of the valve pocket 14 are provided with pressing plate 17, and demarcation strip, two side guides are provided through in the valve pocket 14
17 throttling bearing pin 15, throttling bearing pin 15 two ends arrange the fixing nut 18 of limited location pressing plate 17, the pressing plate 17, separation
Compression spring 16 is provided between plate.
Throttling bearing pin 15 middle part formed be easy to filled media 5 to pass through or plugging separating plate necking part, throttle bearing pin
15 two ends form external screw thread.
The middle part of the pressing plate 17 forms the through hole that bearing pin 15 of being easy to throttle passes through, and is easy to the stream that filled media 5 passes through
Road hole.
The piston ring 6 is fixed by being fixed at the outer wall of piston rod 2 locking nut for compressing its both sides.
The two ends of the cylinder body 8 are including the stepped of path end difference and big footpath end difference, and end cap 4 is arranged on path rank
Terraced portion, is provided with dead ring 3 in big footpath end difference, the dead ring 3 is fixed end cap 4, its outer wall and big footpath end difference spiral shell
Line is fixed.
Static seal is provided between the outer wall of the end cap 4 and cylinder body 8, is provided between the inwall of the end cap 4 and piston rod 2
Dynamic sealing.
The one end of the connecting cylinder 9 is screwed with cylinder body 8, is screwed with contiguous block 10 at other end inwall, and described II
Number earrings 11 is fixed with the internal diameter whorl of contiguous block 10.
The filled media 5 is silicone oil.
The demarcation strip both sides, two side guides 17, the inwall of valve pocket 14 enclose respectively and are formed No. I valve pocket of valve pocket chamber 19, II
Chamber 20.
The operation principle of the present invention is as follows：
When the opposing cylinder 8 of inventive piston bar 2 carries out microinching, throttling bearing pin 15 is in the centre position of pin valve module 13（Often
Open state）, filled media 5 will by flowing in 21, No. II cylinder chamber 22 of No. I cylinder chamber cylinder body 8 inside of pin valve module 13,
Now speed locking device only produces minimum damping force.
When the opposing cylinder 8 of inventive piston bar 2 is quickly moved, selling the pressing plate 17 of the one side of valve module 13 will be locked by speed
Determine the change of device internal pressure and drive throttling bearing pin 15 to move so that pin valve module 13 is closed, and speed locking device is locked rapidly
It is fixed, there is provided rated designs latching force.
The present invention forms No. I cylinder chamber, No. II cylinder chamber that accommodate silicone oil medium by piston ring, cylinder body, end cap, passes through
No. I cylinder chamber, No. II cylinder chamber connection when pin valve module in piston ring realizes that piston rod is moved slowly at, No. I when quick mobile
Cylinder chamber, No. II cylinder chamber close to realize speed lockup, and stability of the present invention is high, and Acclimation temperature scope is wide.
Claims (9)
1. a kind of pin valve type speed locking device, including the cylinder body of hollow tubular（8）, it is characterised in that：The cylinder body（8）Two ends
It is respectively and fixedly provided with end cap（4）, cylinder body（8）Interior piston rod（2）End cap of the one end through left end（4）Afterwards with No. I earrings（1）It is connected,
End cap of the other end through right-hand member（4）Into with cylinder body（8）Connected connecting cylinder（9）In inner chamber, connecting cylinder（9）Free end internal diameter
In be provided with contiguous block（10）, contiguous block（10）Internal diameter in be provided with No. II earrings（11）, the piston rod（2）Set at outer wall
It is equipped with and cylinder body（8）Inner diameter seal and the piston ring for sliding（6）, piston ring（6）Both sides, the end cap of the left and right sides（4）, cylinder body
（8）Enclose to form receiving filled media between internal diameter（5）No. I cylinder chamber（21）, No. II cylinder chamber（22）, the piston ring
（6）It has been radially arranged piston rod（2）Opening is moved slowly at, the quick mobile pin valve module closed（13）.
2. pin valve type speed locking device according to claim 1, it is characterised in that：The pin valve module（13）Including solid
It is scheduled on piston ring（6）Valve pocket in through hole（14）, the valve pocket（14）The demarcation strip with through hole, the valve pocket are formed in internal diameter
（14）Two ends are provided with pressing plate（17）, the valve pocket（14）In be provided through demarcation strip, two side guides（17）Throttling bearing pin
（15）, the throttling bearing pin（15）Two ends arrange limited location pressing plate（17）Fixing nut（18）, the pressing plate（17）, demarcation strip
Between be provided with compression spring（16）.
3. pin valve type speed locking device according to claim 2, it is characterised in that：The throttling bearing pin（15）Middle part shape
Into being easy to filled media（5）By or plugging separating plate necking part, throttle bearing pin（15）Two ends form external screw thread.
4. pin valve type speed locking device according to claim 2, it is characterised in that：The pressing plate（17）Middle part is formed just
In throttling bearing pin（15）The through hole for passing through, and it is easy to filled media（5）The runner hole for passing through.
5. pin valve type speed locking device according to claim 2, it is characterised in that：The piston ring（6）By fixation
In piston rod（2）The locking nut that its both sides is compressed at outer wall is fixed.
6. pin valve type speed locking device according to claim 2, it is characterised in that：The cylinder body（8）Two ends are bag
Include stepped, the end cap of path end difference and big footpath end difference（4）Path end difference is arranged on, is provided with big footpath end difference tight
Gu ring（3）, the dead ring（3）It is fixed end cap（4）, its outer wall is screwed with big footpath end difference.
7. pin valve type speed locking device according to claim 6, it is characterised in that：The end cap（4）Outer wall and cylinder body
（8）Between be provided with static seal, the end cap（4）Inwall and piston rod（2）Between be provided with dynamic sealing.
8. pin valve type speed locking device according to claim 2, it is characterised in that：The connecting cylinder（9）One end and cylinder
Body（8）It is screwed, at other end inwall and contiguous block（10）It is screwed, No. II earrings（11）With contiguous block（10）It is interior
Footpath is screwed.
9. pin valve type speed locking device according to claim 2, it is characterised in that：The filled media（5）For silicone oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611205529.2A CN106640843B (en) | 2016-12-23 | 2016-12-23 | Sell valve type speed locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611205529.2A CN106640843B (en) | 2016-12-23 | 2016-12-23 | Sell valve type speed locking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106640843A true CN106640843A (en) | 2017-05-10 |
| CN106640843B CN106640843B (en) | 2018-04-20 |
Family
ID=58826829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611205529.2A Active CN106640843B (en) | 2016-12-23 | 2016-12-23 | Sell valve type speed locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106640843B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387484A (en) * | 2017-07-26 | 2017-11-24 | 徐州徐工液压件有限公司 | A kind of reducing switchable type bi-directional drive hydraulic cylinder |
| CN111520433A (en) * | 2020-03-31 | 2020-08-11 | 株洲时代新材料科技股份有限公司 | Double-piston viscous damper |
| CN111749120A (en) * | 2020-07-08 | 2020-10-09 | 中南大学 | Viscous damping system, bridge comprising same and bridge damping method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1164155A (en) * | 1966-03-28 | 1969-09-17 | Fichtel & Sachs Ag | Support Device, in particular for the Stepless Vertical Adjustment of Table Tops and Chairs |
| CN201148591Y (en) * | 2007-12-10 | 2008-11-12 | 中铁大桥局集团武汉桥梁科学研究院有限公司 | Locking valve of bridge hydraulic impact transfer apparatus |
| CN102296528A (en) * | 2011-06-02 | 2011-12-28 | 中国科学技术大学 | High-precision lock-up device (LUD) for multi-span bridges to resist earthquakes |
| CN102979214A (en) * | 2012-12-24 | 2013-03-20 | 郑州大学 | Silicon fluid velocity lock |
| CN103061250A (en) * | 2013-01-11 | 2013-04-24 | 中铁大桥局集团武汉桥梁科学研究院有限公司 | Hydraulic speed locking device for bridges |
| CN103952969A (en) * | 2014-04-29 | 2014-07-30 | 中国铁道科学研究院铁道建筑研究所 | Intelligent speed lock-up device |
| CN206429482U (en) * | 2016-12-23 | 2017-08-22 | 铁道第三勘察设计院集团有限公司 | One kind pin valve type speed locking device |
-
2016
- 2016-12-23 CN CN201611205529.2A patent/CN106640843B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1164155A (en) * | 1966-03-28 | 1969-09-17 | Fichtel & Sachs Ag | Support Device, in particular for the Stepless Vertical Adjustment of Table Tops and Chairs |
| CN201148591Y (en) * | 2007-12-10 | 2008-11-12 | 中铁大桥局集团武汉桥梁科学研究院有限公司 | Locking valve of bridge hydraulic impact transfer apparatus |
| CN102296528A (en) * | 2011-06-02 | 2011-12-28 | 中国科学技术大学 | High-precision lock-up device (LUD) for multi-span bridges to resist earthquakes |
| CN102979214A (en) * | 2012-12-24 | 2013-03-20 | 郑州大学 | Silicon fluid velocity lock |
| CN103061250A (en) * | 2013-01-11 | 2013-04-24 | 中铁大桥局集团武汉桥梁科学研究院有限公司 | Hydraulic speed locking device for bridges |
| CN103952969A (en) * | 2014-04-29 | 2014-07-30 | 中国铁道科学研究院铁道建筑研究所 | Intelligent speed lock-up device |
| CN206429482U (en) * | 2016-12-23 | 2017-08-22 | 铁道第三勘察设计院集团有限公司 | One kind pin valve type speed locking device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387484A (en) * | 2017-07-26 | 2017-11-24 | 徐州徐工液压件有限公司 | A kind of reducing switchable type bi-directional drive hydraulic cylinder |
| CN107387484B (en) * | 2017-07-26 | 2019-06-04 | 徐州徐工液压件有限公司 | A kind of variable diameter switchable type bi-directional drive hydraulic cylinder |
| CN111520433A (en) * | 2020-03-31 | 2020-08-11 | 株洲时代新材料科技股份有限公司 | Double-piston viscous damper |
| CN111749120A (en) * | 2020-07-08 | 2020-10-09 | 中南大学 | Viscous damping system, bridge comprising same and bridge damping method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106640843B (en) | 2018-04-20 |
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Address after: 300142 Hebei District, Zhongshan Road, No. 10, Applicant after: China Railway Design Group Limited Applicant after: Zhuzhou Shidai New Material Sci-Tech Co., Ltd. Address before: 300142 Hebei District, Zhongshan Road, No. 10, Applicant before: China Railway Third Survey and Design Institute Group Ltd. Applicant before: Zhuzhou Shidai New Material Sci-Tech Co., Ltd. |
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