CN207364019U - A kind of hydraulic locking mechanism - Google Patents
A kind of hydraulic locking mechanism Download PDFInfo
- Publication number
- CN207364019U CN207364019U CN201720519367.3U CN201720519367U CN207364019U CN 207364019 U CN207364019 U CN 207364019U CN 201720519367 U CN201720519367 U CN 201720519367U CN 207364019 U CN207364019 U CN 207364019U
- Authority
- CN
- China
- Prior art keywords
- piston
- hole
- hydraulic
- power source
- column
- 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.)
- Active
Links
Landscapes
- Accommodation For Nursing Or Treatment Tables (AREA)
Abstract
The utility model discloses a kind of hydraulic locking mechanism, including table top, column, piston, hydraulic power source and flexible member, table top is respectively equipped with first through hole and the second through hole, column is arranged in first through hole, the two is clearance fit, piston seals in left-right direction to be slidably connected in the second through hole, hydraulic power source provides driving hydraulic action of the piston to left movement, flexible member provides the driving reset response power that piston moves right, when hydraulic power source pressurizes, hydraulic action overcomes reset response power so that piston supports on column lateral wall to the left, during hydraulic power source release, piston is under reset response power to the right away from column lateral wall.Reduce the frictional force between table top and column after unlocking, convenient maintenance, table top locking and release control particularly suitable for falling body type shock table.
Description
Technical field
It the utility model is related to a kind of retaining mechanism, more particularly to a kind of hydraulic lock suitable for dynamic environmental test equipment
Tight mechanism.
Background technology
The dynamic environmental test equipment such as equipment such as falling body type shock table, will realize that moving component (table-board components) is lifted
Fixation after to specified altitude assignment, and secondary pulse is prevented after impacting rebound, all realized using hydraulic locking mechanism.
Current hydraulic locking mechanism, using the control mode of pressurization locking, off-load release.Referring to Fig. 1 and Fig. 2, such as it
In legend shown in, hydraulic locking mechanism, including table top 11, column 12, piston 13 and hydraulic power source (not depending on going out in figure), hydraulic pressure
When source is pressurizeed, hydraulic action makes piston 13 support to the left on 12 lateral wall of column, and during hydraulic power source release, piston 13 discharges
12 lateral wall of column, in practical operation, when carrying out off-load release, since piston is unable to self-return, cause piston end surface with
Column contacts all the time, increases frictional force during movement, increases energy consumption, have impact on test index.Meanwhile increase piston with
The abrasion of column, shortens maintenance of equipment cycle and part service life.
Therefore a kind of dependable performance is developed, hydraulic locking mechanism easy to maintenance becomes industry and thirsts for what is solved for a long time
Problem.
The content of the invention
In order to solve the above technical problems, the purpose of this utility model is to provide a kind of hydraulic locking mechanism, dependable performance,
It is easy to maintenance, it can realize the locking and release of table top.
To achieve the above object, the utility model provides following technical solution：A kind of hydraulic locking mechanism, including：
- table top, it is respectively equipped with first through hole and the second through hole, described in the first through hole up/down perforation on table top, under
Surface, second through hole or so penetrates through the table top lateral wall and the first through hole madial wall；
- column, it is arranged in the first through hole, the two is clearance fit；
- piston, it is sealed in left-right direction is slidably connected in second through hole；
- hydraulic power source, it, which is provided, drives hydraulic action of the piston to left movement；
Wherein, flexible member is further included, the flexible member provides the reset response power for driving the piston to move right,
During the hydraulic power source pressurization, the hydraulic action overcomes the reset response power so that the piston is supported described vertical to the left
On column lateral wall, during the hydraulic power source release, the piston is under the reset response power to the right away from the column lateral wall.
Further, second through hole is equipped with annular step surface A, and the piston is equipped with annular step surface B, the elasticity
Element is limited between the annular step surface A being oppositely arranged and the annular step surface B, when the hydraulic power source pressurizes, institute
Flexible member compression or stretching are stated, the piston small end supports on the column lateral wall to the left, during the hydraulic power source release,
The spring element returns, the piston is to the right away from the column lateral wall.
Further, second through hole and the piston are substantially T-shaped in side left small and right large, and the piston is big
Sealing is slidably connected the second through hole macropore in left-right direction at end, and the piston small end is slidably connected described the in left-right direction
Two through hole apertures, the annular step surface of second through hole are made as the annular step surface A, the annular step surface of the piston
For the annular step surface B, when the hydraulic power source pressurizes, the flexible member compression, the piston small end is supported in institute to the left
State on column lateral wall, during the hydraulic power source release, the spring element returns, the piston is to the right away from the outside of the column
Wall.
Further, the flexible member is disk spring.
Further, the table top is equipped with the mounting hole of left and right perforation, and cylinder, cover board difference are equipped with the mounting hole
The body of the cylinder and the table top is fixedly connected with, the inner cavity of the cylinder is equipped with as second through hole, the cover board
The oil inlet connected with second through hole, the hydraulic power source connect the oil inlet.
Further, the mounting hole is substantially T-shaped in side left small and right large, and it is small that the cylinder is arranged on the mounting hole
Kong Zhong, the cover board are arranged in the mounting hole macropore.
Further, the cover board is respectively fixedly connected with the body of the cylinder and the table top by screw.
Further, sealing ring, the cover board left side are equipped between the right side of the cylinder and the cover board left surface
Face is equipped with annular groove, and the sealing ring is arranged in the annular groove.
Further, sealing ring is equipped between the piston lateral wall and the second through hole madial wall, outside the piston
Side wall is equipped with circumferential recess, and the sealing ring is arranged in the circumferential recess.
Further, guide part is equipped between the piston lateral wall and the second through hole madial wall, outside the piston
Side wall is equipped with circumferential recess, and the guide part is arranged in the circumferential recess.
Since above-mentioned technical proposal is used, the utility model has following advantages compared with prior art：
(1) the utility model is by setting flexible member so that in unlock, flexible member can drive piston away from vertical
Column, reduces frictional force, convenient maintenance, table top locking and release control particularly suitable for falling body type shock table；
(2) for the utility model by setting cylinder and cover board, hydraulic locking mechanism and table top are Split type structure, reduce dimension
Accomplish this and difficulty.
Brief description of the drawings
Fig. 1 is structure diagram when hydraulic locking mechanism of the prior art is locked；
Fig. 2 is structure diagram when hydraulic locking mechanism of the prior art unlocks；
Fig. 3 is structure diagram when hydraulic locking mechanism disclosed in the utility model is locked；
Fig. 4 is structure diagram when hydraulic locking mechanism disclosed in the utility model unlocks.
Wherein, 11, table top；12nd, column；13rd, piston；.
Embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is used to illustrate the utility model, but is not intended to limit the scope of the present invention.
Referring to Fig. 3 and Fig. 4, as shown in legend therein, a kind of hydraulic locking mechanism, including：
- table top 21, it is respectively equipped with first through hole and the second through hole, on first through hole up/down perforation table top 21, lower surface,
Second through hole or so penetrates through 21 lateral wall of table top and the first through hole madial wall；
- column 22, it is arranged in first through hole, the two is clearance fit；
- piston 23, it is sealed in left-right direction is slidably connected in the second through hole；
- hydraulic power source (not depending on going out in figure), it provides driving hydraulic action of the piston 23 to left movement；
Wherein, flexible member 24 is further included, flexible member 24 provides the driving reset response power that piston 23 moves right, liquid
When potential source pressurizes, hydraulic action overcomes reset response power so that piston 23 supports on 22 lateral wall of column to the left, hydraulic power source
During release, piston 23 is under reset response power to the right away from 22 lateral wall of column.
During locking, hydraulic power source is pressurizeed by pumping, and the pressure P of hydraulic oil acts on 23 end face of piston, promotes piston 23 to vertical
22 direction of column is moved, until 23 step end face of piston is acted on column 22, makes piston by the stiction between contact surface
23 is opposing stationary with column 22, is locked at so as to fulfill table top 21 on column 22, and at this time, flexible member 24 is in by compression shape
State, during unlock, hydraulic power source is by pumping release, and it is nature that flexible member 24 is replied from compressive state, so as to promote piston 23
Moved to away from 22 direction of column, piston 23 is departed from column 22, so as to fulfill the release of table top 21.
In a kind of embodiment, the second through hole is equipped with annular step surface A, and piston 23 is equipped with annular step surface B, flexible member
24 are limited between the annular step surface A and annular step surface B being oppositely arranged, hydraulic power source pressurize when, flexible member 24 compress or
Stretching, 23 small end of piston supports on 22 lateral wall of column to the left, and during hydraulic power source release, flexible member 24 resets, piston 23 to
22 lateral wall of right remote column.
In a kind of embodiment, the second through hole and piston 23 are substantially T-shaped in side left small and right large, 23 big end of piston
Sealing is slidably connected the second through hole macropore in left-right direction, and 23 small end of piston is slidably connected the second through hole aperture in left-right direction,
The annular step surface of second through hole adds as annular step surface A, the annular step surface of piston as annular step surface B, hydraulic power source
During pressure, flexible member 24 compresses, and 23 small end of piston supports on 22 lateral wall of column to the left, during hydraulic power source release, flexible member
24 reset, and piston 23 is to the right away from 22 lateral wall of column.
In a kind of embodiment, flexible member 24 is disk spring.
In a kind of embodiment, table top 21 is equipped with the mounting hole of left and right perforation, and cylinder 25, a cover board 26 are equipped with mounting hole
The body of cylinder 25 and table top 21 is respectively fixedly connected with, as the second through hole, cover board 26 is equipped with to be led to second for the inner cavity of cylinder 25
The oil inlet of hole connection, hydraulic power source connection oil inlet 261.
In a kind of embodiment, mounting hole is substantially T-shaped in side left small and right large, and cylinder 25 is arranged on mounting hole aperture
In, cover board 26 is arranged in mounting hole macropore.
In a kind of embodiment, cover board 26 is respectively fixedly connected with the body of cylinder 25 and table top 21 by screw 27.
In a kind of embodiment, sealing ring 28 is equipped between 26 left surface of right side and cover board of cylinder 25, cover board 26 is left
Side is equipped with annular groove, and sealing ring 28 is arranged in annular groove.
In a kind of embodiment, sealing ring 28 is equipped between 23 lateral wall of piston and the second through hole madial wall, outside piston 23
Side wall is equipped with circumferential recess, and sealing ring 28 is arranged in circumferential recess.
In a kind of embodiment, guide part 29 is equipped between 26 lateral wall of piston and the second through hole madial wall, outside piston 23
Side wall is equipped with circumferential recess, and guide part 29 is arranged in the circumferential recess.
The diameter of column and piston, length equidimension do not limit in the present embodiment, to the specification sum number of disc spring used
Amount and stacked combination mode do not limit, and the specification of hydraulic fluid port are not limited, the specification and quantity to screw used do not have yet
Limitation.
It is above the description to the utility model embodiment, by the foregoing description of the disclosed embodiments, makes ability
Domain professional technician can realize or using the utility model.The professional skill of a variety of modifications to these embodiments to this area
Will be apparent for art personnel, the general principles defined herein can not depart from the spirit of the utility model or
In the case of scope, realize in other embodiments.Therefore, the utility model is not intended to be limited to these realities shown in this article
Example is applied, and is to fit to the most wide scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. a kind of hydraulic locking mechanism, including：
- table top, it is respectively equipped with first through hole and the second through hole, described in the first through hole up/down perforation on table top, lower surface,
Described second through hole or so penetrates through the table top lateral wall and the first through hole madial wall；
- column, it is arranged in the first through hole, the two is clearance fit；
- piston, it is sealed in left-right direction is slidably connected in second through hole；
- hydraulic power source, it, which is provided, drives hydraulic action of the piston to left movement；
It is characterized in that, further including flexible member, the flexible member provides the reset response for driving the piston to move right
Power, when the hydraulic power source pressurizes, the hydraulic action overcomes the reset response power so that the piston is supported in institute to the left
State on column lateral wall, during the hydraulic power source release, the piston under the reset response power to the right away from the column outside
Side wall.
2. hydraulic locking mechanism according to claim 1, it is characterised in that second through hole is equipped with annular step surface A,
The piston is equipped with annular step surface B, and the flexible member is limited in the annular step surface A being oppositely arranged and the annular
Between step surface B, when the hydraulic power source pressurizes, the flexible member compression or stretching, the piston small end are supported in institute to the left
State on column lateral wall, during the hydraulic power source release, the spring element returns, the piston is to the right away from the outside of the column
Wall.
3. hydraulic locking mechanism according to claim 2, it is characterised in that second through hole and the piston are substantially
T-shaped in side left small and right large, the piston big end seals the second through hole macropore that is slidably connected in left-right direction, described
Piston small end is slidably connected the second through hole aperture in left-right direction, and the annular step surface of second through hole is as the ring
Shape step surface A, the annular step surface of the piston is as the annular step surface B, when the hydraulic power source pressurizes, the elasticity member
Part compresses, and the piston small end supports on the column lateral wall to the left, and during the hydraulic power source release, the flexible member is answered
Position, the piston is to the right away from the column lateral wall.
4. hydraulic locking mechanism according to claim 1, it is characterised in that the flexible member is disk spring.
5. hydraulic locking mechanism according to claim 1, it is characterised in that the table top is equipped with the installation of left and right perforation
Hole, is equipped with cylinder in the mounting hole, a cover board is respectively fixedly connected with the body of the cylinder and the table top, the cylinder
As second through hole, the cover board is equipped with the oil inlet connected with second through hole for inner cavity, and the hydraulic power source connects institute
State oil inlet.
6. hydraulic locking mechanism according to claim 5, it is characterised in that the mounting hole is substantially in side left small and right large
Put it is T-shaped, the cylinder be arranged on the mounting hole aperture in, the cover board be arranged on the mounting hole macropore in.
7. hydraulic locking mechanism according to claim 5, it is characterised in that the cover board is respectively fixedly connected with by screw
The body of the cylinder and the table top.
8. hydraulic locking mechanism according to claim 5, it is characterised in that the right side of the cylinder is left with the cover board
Sealing ring is equipped between side, the cover board left surface is equipped with annular groove, and the sealing ring is arranged in the annular groove.
9. hydraulic locking mechanism according to claim 1, it is characterised in that the piston lateral wall and second through hole
Sealing ring is equipped between madial wall, the piston lateral wall is equipped with circumferential recess, and the sealing ring is arranged in the circumferential recess.
10. hydraulic locking mechanism according to claim 1, it is characterised in that the piston lateral wall and second through hole
Guide part is equipped between madial wall, the piston lateral wall is equipped with circumferential recess, and the guide part is arranged in the circumferential recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720519367.3U CN207364019U (en) | 2017-05-11 | 2017-05-11 | A kind of hydraulic locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720519367.3U CN207364019U (en) | 2017-05-11 | 2017-05-11 | A kind of hydraulic locking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207364019U true CN207364019U (en) | 2018-05-15 |
Family
ID=62423671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720519367.3U Active CN207364019U (en) | 2017-05-11 | 2017-05-11 | A kind of hydraulic locking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207364019U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110513377A (en) * | 2019-09-19 | 2019-11-29 | 中国科学院武汉岩土力学研究所 | Locking device and impact device |
-
2017
- 2017-05-11 CN CN201720519367.3U patent/CN207364019U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110513377A (en) * | 2019-09-19 | 2019-11-29 | 中国科学院武汉岩土力学研究所 | Locking device and impact device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108291419A (en) | Cylinder-piston unit with compensation sealing element | |
| CN206738268U (en) | A kind of pneumohydraulic pressure-cylinder | |
| CN201902390U (en) | Hydraulic locking device | |
| CN207364019U (en) | A kind of hydraulic locking mechanism | |
| CN103133435B (en) | A kind of hydraulic accumulator | |
| CN110849545B (en) | Gearbox casing leakage test shutoff mechanism | |
| CN210196460U (en) | Mechanical sealing element | |
| CN109014859A (en) | Automobile air throttle valve crimps riveted one pressure head with bearing | |
| CN104653551A (en) | Connecting rod locking device | |
| CN214367450U (en) | Hydraulic damper capable of quickly relieving pressure and contracting | |
| JP5939950B2 (en) | Cylinder device with booster mechanism | |
| CN103727096B (en) | For the High-precision brake of variable-stroke cylinder | |
| CN203743175U (en) | Pressure-type sucker device | |
| CN104373413A (en) | Mechanical self-locking oil cylinder | |
| CN103111573B (en) | Forging machine with return cylinder anti-unbalance-loading mechanisms and assembling method and using method thereof | |
| CN209158879U (en) | A kind of novel net-changing device sealing structure | |
| CN200985261Y (en) | Double-section jack | |
| CN103978113B (en) | Upper mold of punching mold and punching mold | |
| CN211009481U (en) | Large-pressure remote liquid pressure control locking mechanism | |
| CN209800421U (en) | multistage hydraulic cylinder | |
| CN209275924U (en) | A kind of novel elevator hydraulic bjuffer | |
| CN206917971U (en) | Relief valve | |
| CN206071860U (en) | A kind of plunger pump one-way valve component of convenient dismounting | |
| CN211039225U (en) | Oil pressure device | |
| CN107763003A (en) | A kind of self-retracting plunger-type cylinder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |