CN206445568U - A kind of adjustable rotary Hydraulic Clamping Mechanism - Google Patents
A kind of adjustable rotary Hydraulic Clamping Mechanism Download PDFInfo
- Publication number
- CN206445568U CN206445568U CN201720083393.6U CN201720083393U CN206445568U CN 206445568 U CN206445568 U CN 206445568U CN 201720083393 U CN201720083393 U CN 201720083393U CN 206445568 U CN206445568 U CN 206445568U
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- oil
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- clamping
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- 230000007246 mechanism Effects 0.000 title claims abstract description 22
- 239000003921 oil Substances 0.000 claims abstract description 26
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 14
- 230000009471 action Effects 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 description 10
- 239000010959 steel Substances 0.000 description 10
- 238000005553 drilling Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000010923 batch production Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 241000237858 Gastropoda Species 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The utility model discloses a kind of adjustable rotary Hydraulic Clamping Mechanism, include housing, a pair of circular arc spline lock sleeves are arranged in housing bore, it is promoted to pin valve pocket by outer clamping piston, locking regulation worm gear is arranged in the another side opening of housing one, its hole and circular arc spline lock sleeve are coaxial, ensure that valve pocket and valve element are coaxial, ring-like oil groove on locking regulation worm gear is used to be passed through after hydraulic oil and can also rotate, inner carrier is installed on two oil har openings communicated with ring-like oil groove, for locking valve element, above-mentioned interior clamping piston provides thrust by oil pressure, inside and outside oil circuit is connected by locking the oil groove on regulation worm gear.When rotation lock handle, the thrust piston integral with it promotes forward hydraulic oil, produce the pressure of superelevation, transferred the pressure to by hydraulic oil on inside and outside clamping piston, so as to simultaneously clamp on valve pocket and valve element, and the piston rod of thrust piston is that screw thread pair has self-locking action, it is ensured that pressure does not drop, and interior-exterior parts will not unclamp after clamping.
Description
Technical field
The utility model is related to a kind of adjustable rotary Hydraulic Clamping Mechanism, belongs to mechanized equipment technical field.
Background technology
, it is necessary to which fixed spool revolution regulation valve pocket or standing valve are recovered and turn adjusting spool during hydraulic steering device of vehicle valve centering
Both original positions are made to be in intermediateness, a kind of clamping is easy, it is solid and reliable to lock, the accurate convenient special machine of revolution regulation
Structure is very necessary, and is presently mainly the experience and sensation by operator, ceaselessly clamps, tests, loosening, left and right rotation
Modulation is whole, then clamps, and repeatedly circulation could complete the adjustment centering of product.Troublesome poeration, efficiency is very low, and precision is not high, people
It is larger for factor, excessive is relied on to the proficiency of workman, is not suitable for batch production.
Utility model content
In view of above the problem of exist, the purpose of the utility model patent there is provided a kind of clever structure, it is easy to operate,
Efficiency high, clamp that firm, degree of regulation is high and convenient adjustable rotary Hydraulic Clamping Mechanism.
To achieve the above object, the utility model takes following technical scheme：
One kind described in the utility model is transferred the pressure on inside and outside clamping piston by hydraulic oil, completes interior-exterior parts
Synchronous clamping.By rotating regulation worm screw after clamping, worm gear is driven to make positive and negative rotation, hydraulic coupling is all the time by inside and outside zero during rotation
Part is clamped, and mechanism produces the hydraulic pressure of hyperpressure using the thrust of screw thread, in the thrust of screw thread is delivered to by hydraulic oil
Interior-exterior parts are clamped on outer piston respectively.
Adjustable rotary Hydraulic Clamping Mechanism, includes housing, and a pair of circular arc spline lock sleeves are arranged in housing bore, passed through
Outer clamping piston promotes it to pin valve pocket, and locking regulation worm gear is arranged in the another side opening of housing one, and its hole is locked with circular arc spline
Set is coaxial, it is ensured that valve pocket is coaxial with valve element, and the ring-like oil groove on locking regulation worm gear is used to be passed through after hydraulic oil and can also rotate, with
Inner carrier is installed on two oil har openings that ring-like oil groove is communicated, for locking valve element, above-mentioned interior clamping piston is provided by oil pressure
Thrust, inside and outside oil circuit is connected by locking the oil groove on regulation worm gear.When rotation lock handle, the thrust piston integral with it
Hydraulic oil is promoted forward, the pressure of superelevation is produced, and is transferred the pressure to by hydraulic oil on inside and outside clamping piston, so as to press from both sides simultaneously
Tight valve pocket and valve element, and the piston rod of thrust piston has self-locking action for screw thread pair, it is ensured that pressure is not dropped, and interior-exterior parts are clamped
After will not unclamp；
The angle position regulation of valve pocket and valve core chamber is realized by a pair of worm and gear kinematic pairs.First, valve pocket quilt
It is fixedly clamped on the housing of the adjustable rotary Hydraulic Clamping Mechanism, it is impossible to rotate, and valve element is clamped and fixed in locking regulation
On worm gear, locking regulation worm gear can be relatively rotated with respect to the housing of mechanism, and valve just can be changed when rotation lock adjusts worm gear
Set and valve core chamber angle position, in order to ensure degree of regulation, using the worm and gear kinematic pair that gearratio is larger, worm screw rotate compared with
Wide-angle, worm gear only turns over very little angle, and precision is high, and has angle index above equipped with regulation index dial on worm screw, can be according to need
The angle wanted quantitatively is adjusted, and wherein β angles are worm screw angle of inclination, are allowed to more convenient operation.
In addition, the kinematic pair is also equipped with clearance eliminating mechanism, by gap adjustment seat, steel ball, gap adjustment locking nut etc.
Composition, wherein, gap adjustment seat is arranged on the housing of the adjustable rotary Hydraulic Clamping Mechanism, inside there is an inclined hole, and worm screw is installed
In inclined hole, when along relative position between the axially varying gap adjustment seat of inclined hole and housing, worm and wheel centre-to-centre spacing can be changed,
So as to eliminate back lash between the two, and steel ball is installed in the taper hole of worm screw both ends of the surface center, worm screw is distinguished by steel ball
It is connected with gap adjustment locking nut and gap adjustment seat interference, the mutual gap for eliminating, and steel ball structure compares bearing
Structural volume is small and gapless；
When the adjustable rotary Hydraulic Clamping Mechanism works, workpiece is clamped first, is rotated further by worm screw and is adjusted index dial to one
Determine angle, it is easy to operate, quick, accurate without repeatedly clamping, testing, loosen, adjust, press from both sides again.
After the completion of centering, for the position of valve pocket and valve core chamber is fixed up, it need between the two drill, be pressed into connecting pin
Son, during drilling, what drill bit was positioned and was oriented to by the boring positioning set on mechanism shell, it is ensured that pin-and-hole is in centre bit
Put.
A kind of adjustable rotary Hydraulic Clamping Mechanism described in the utility model has the following advantages that：
1st, clever structure, easy to operate；
2nd, operating efficiency is high, is used in suitable batch production；
3rd, degree of regulation is high, can be finely adjusted；
4th, small volume, lightweight, conveniently moving；
Brief description of the drawings
Fig. 1 is adjustable rotary Hydraulic Clamping Mechanism structural representation
Fig. 2 is diagrammatic cross-section at Fig. 1 A-A
Fig. 3 is diagrammatic cross-section at Fig. 1 B-B
Fig. 4 is diagrammatic cross-section at Fig. 1 C-C
Fig. 5 is structural representation when adjustable rotary Hydraulic Clamping Mechanism clamps workpiece
Fig. 6 is Fig. 5 structural representation of part 15
In figure：Clamping piston 5- is answered in a pair of circular arc spline lock sleeve 3- locking regulation worm gears 4- of 1- housings 2-
The outer clamping piston 7- boring positionings set 8- set lever 9- thrust piston 10- gap adjustment seats of position spring 6-
11- worm screws regulation index dial 12- regulation worm screw 13- steel ball 14- gap adjustment locking nut 15- valve members 15-
1- valve pocket 15-2- pin 15-3- valve elements
Embodiment
Below by embodiment, and with reference to accompanying drawing, the technical solution of the utility model is described in further detail, but
It is not the limitation to the utility model protection domain.
Referring to figs. 1 to Fig. 5, a kind of adjustable rotary Hydraulic Clamping Mechanism described in the utility model includes housing 1, one
Circular arc spline lock sleeve 2 is arranged in the hole of housing 1, promotes it to pin valve pocket 15-1, locking regulation snail by outer clamping piston 6
Wheel 3 is arranged in the another side opening of housing 1 one, and its hole and circular arc spline lock sleeve 2 are coaxial, it is ensured that valve pocket 15-1 and valve element 15-3 are same
Ring-like oil groove on axle, locking regulation worm gear 3 is used to be passed through after hydraulic oil and can also rotate, two oil cylinders communicated with ring-like oil groove
Interior clamping piston 4 is installed, for locking valve element 15-3, above-mentioned interior clamping piston 4 provides thrust, inside and outside oil circuit by oil pressure on hole
It is connected by locking the oil groove on regulation worm gear 3.When rotation lock handle 8, the promotion hydraulic oil forward with its one is produced
The pressure of superelevation, is transferred the pressure on inside and outside clamping piston by hydraulic oil, so as to simultaneously clamp on valve pocket 15-1 and valve element 15-
3, and the piston rod of thrust piston 9 has self-locking action for screw thread pair, it is ensured that pressure does not drop, and interior-exterior parts will not pine after clamping
Open；
Angle position regulation between valve pocket 15-1 and valve element 15-3 is realized by a pair of worm and gear kinematic pairs.It is first
First, valve pocket 15-1 is clamped and fixed on housing 1, it is impossible to rotate, and valve element 15-3 is clamped and fixed and adjusts worm gear 3 in locking
On, locking regulation worm gear 3 can be relatively rotated with respect to housing 1, just can change when rotation lock adjusts worm gear 3 valve pocket 15-1 with
Angle position between valve element 15-3, in order to ensure degree of regulation, using the worm and gear kinematic pair that gearratio is larger, worm screw 12 rotates
Larger angle, worm gear 3 only turns over very little angle, and precision is high, and has angle index above equipped with regulation index dial 11 on worm screw 12,
Angle that can be as required is quantitatively adjusted, and wherein β angles are worm screw angle of inclination, are allowed to more convenient operation.
In addition, the kinematic pair is also equipped with clearance eliminating mechanism, by gap adjustment seat 10, steel ball 13, gap adjustment locking screw
Female 14 grades composition, wherein, gap adjustment seat 10 is arranged on housing 1, inside there is an inclined hole, and worm screw 12 is arranged in inclined hole, works as edge
Between the axially varying gap adjustment seat 10 of inclined hole and housing 1 during relative position, worm screw 12 and the centre-to-centre spacing of worm gear 3 can be changed, so as to
Back lash between the two is eliminated, and steel ball 13 is installed in the both ends of the surface center taper hole of worm screw 12, worm screw 12 passes through 13 points of steel ball
It is not connected with gap adjustment locking nut 14 and gap adjustment 10 interference of seat, the mutual gap for eliminating, and the knot of steel ball 13
Structure is smaller than bearing arrangement volume and gapless；
When the adjustable rotary Hydraulic Clamping Mechanism works, workpiece is clamped first, is rotated further by worm screw regulation index dial 11 and is arrived
Certain angle, it is easy to operate, quick, accurate without repeatedly clamping, testing, loosen, adjust, press from both sides again.
After the completion of centering, for the position between valve pocket 15-1 and valve element 15-3 is fixed up, it need between the two drill, be pressed into
Connecting pins 15-2, during drilling, what drill bit was positioned and was oriented to by the boring positioning set 7 on housing 1, it is ensured that pin-and-hole
In center.
Operation principle of the present utility model and specific works mode are as follows：
A kind of adjustable rotary Hydraulic Clamping Mechanism described in the utility model, pressure is transmitted to valve pocket 15-1 by hydraulic oil
Locked with valve element 15-3, using same oil circuit, the synchronous locking simultaneously of inside and outside clamping piston, and the piston rod of thrust plug cock 9 is adopted
Use self-locking screw thread pair, it is ensured that reliable lock, nothing is released；
The centering of valve pocket 15-1 and the mutual Angle Positions of valve element 15-3 is adjusted to be realized by worm and gear kinematic pair, because
Worm and gear can realize big speed ratio, and worm screw 12 moves larger angle during regulation, according to gearratio between worm and gear, 3, worm gear
Rotate very small angle, it is ensured that degree of regulation, and worm screw regulation index dial 11 has angle index, angle can be adjusted on demand
Section, it is easy to operate, efficiently；And gap adjustment seat 10 eliminates worm and gear pair clearance, the steel ball 13 at regulation worm screw 12 two ends
Friction can be substantially reduced, operation portability is improved；
The sub- 15-2 of draw-bore, pad after the completion of centering is ensured by boring positioning set 7, can guarantee that pin 15-2 in valve
Cover 15-1 and valve element 15-3 centre positions.
【Embodiment】
The centering of hydraulic steering device of vehicle valve is processed, and the valve member 15 assembled is loaded into adjustable rotary Hydraulic Clamping Mechanism
Interior, rotational lock handle 8, inside and outside clamping piston simultaneously respectively pins valve pocket 15-1 and valve element 15-3, according to trial curve
Offset, pulls out and turns the rotation-indexing table 11 of worm screw 12 to certain angle, valve pocket 15-1 and valve element 15-3 is in intermediateness, then
Drilling, pad, valve pocket 15-1 is linked together with valve element 15-3, completes centering processing.Easy to operate, precision is high, efficiency high.
Claims (1)
1. a kind of adjustable rotary Hydraulic Clamping Mechanism, includes housing (1), a pair of circular arc spline lock sleeves (2) are arranged on housing
(1) in hole, it is characterised in that：It is promoted to pin valve pocket (15-1) by outer clamping piston (6), locking regulation worm gear (3) is installed
In the another side opening of housing (1) one, its hole and circular arc spline lock sleeve (2) are coaxial, it is ensured that valve pocket (15-1) is same with valve element (15-3)
Ring-like oil groove on axle, locking regulation worm gear (3) is used to be passed through after hydraulic oil and can also rotate, two oil communicated with ring-like oil groove
Interior clamping piston (4) is installed, for locking valve element (15-3), above-mentioned interior clamping piston (4) provides thrust by oil pressure in cylinder holes,
Inside and outside oil circuit is connected by the oil groove locked on regulation worm gear (3), when rotation lock handle (8), with pushing away forward for its one
Hydrodynamic is pressed oil, and produces the pressure of superelevation, is transferred the pressure to by hydraulic oil on inside and outside clamping piston, so as to simultaneously clamp on valve pocket
(15-1) and valve element (15-3), and the piston rod of thrust piston (9) has self-locking action for screw thread pair, it is ensured that pressure does not drop, interior
Outer part will not unclamp after clamping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720083393.6U CN206445568U (en) | 2017-01-16 | 2017-01-16 | A kind of adjustable rotary Hydraulic Clamping Mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720083393.6U CN206445568U (en) | 2017-01-16 | 2017-01-16 | A kind of adjustable rotary Hydraulic Clamping Mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206445568U true CN206445568U (en) | 2017-08-29 |
Family
ID=59666892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720083393.6U Expired - Fee Related CN206445568U (en) | 2017-01-16 | 2017-01-16 | A kind of adjustable rotary Hydraulic Clamping Mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206445568U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108034797A (en) * | 2018-01-23 | 2018-05-15 | 西安科技大学 | A kind of high ferro wheel shot peening strengthening workbench wheel special fixture |
| CN108311920A (en) * | 2017-01-16 | 2018-07-24 | 浙江师范大学 | A kind of adjustable rotary Hydraulic Clamping Mechanism |
| CN112677086A (en) * | 2020-12-31 | 2021-04-20 | 杭叉集团股份有限公司 | Electric fork-lift triple-linkage machine preassembling and auxiliary mounting tool trolley |
-
2017
- 2017-01-16 CN CN201720083393.6U patent/CN206445568U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108311920A (en) * | 2017-01-16 | 2018-07-24 | 浙江师范大学 | A kind of adjustable rotary Hydraulic Clamping Mechanism |
| CN108034797A (en) * | 2018-01-23 | 2018-05-15 | 西安科技大学 | A kind of high ferro wheel shot peening strengthening workbench wheel special fixture |
| CN108034797B (en) * | 2018-01-23 | 2020-04-28 | 西安科技大学 | Wheel special fixture for shot blasting strengthening workbench of high-speed rail wheel |
| CN112677086A (en) * | 2020-12-31 | 2021-04-20 | 杭叉集团股份有限公司 | Electric fork-lift triple-linkage machine preassembling and auxiliary mounting tool trolley |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170829 Termination date: 20180116 |