CN206503802U - Locking type hydraulic cylinder - Google Patents
Locking type hydraulic cylinder Download PDFInfo
- Publication number
- CN206503802U CN206503802U CN201621465141.1U CN201621465141U CN206503802U CN 206503802 U CN206503802 U CN 206503802U CN 201621465141 U CN201621465141 U CN 201621465141U CN 206503802 U CN206503802 U CN 206503802U
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- China
- Prior art keywords
- cylinder
- lever
- valve
- lock claw
- hand member
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- Expired - Fee Related
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Abstract
A kind of locking type hydraulic cylinder, including fastened housing, latch assembly, check lock lever, piston, cylinder body and piston rod, piston, piston rod and cylinder body are coaxially disposed, and the left and right two ends of cylinder body are provided with cylinder cap；Fastened housing is fixedly connected with cylinder body right-hand member cylinder cap, and Qi Bishang is provided with locking hole, and locking hole is provided with lock claw bowl cover；Right-hand member is coaxially provided with check lock lever, and the right-hand member of check lock lever is placed in inside fastened housing；At least two latch assemblies are radially angularly set along check lock lever, pressure valve is located on the outer wall of fastened housing, valve element lower end is provided with pin, pin is connected with lever slips, the upper end of the left end of lever and lock claw bar is hinged, the lower end of lock claw bar is provided with positioning key, and positioning key is engaged with the axially position groove of check lock lever right-hand member；Spring two is provided between the positioning shaft shoulder of lower end in lock claw bowl cover and lock claw bar.The hydraulic cylinder can any position axis to radial direction locked hydraulic cylinder；The hydraulic locking cylinder is reliable, easy to operate.
Description
Technical field
The utility model is related to a kind of hydraulic cylinder, specifically a kind of locking type hydraulic cylinder, belongs to hydraulic cylinder technical field.
Background technology
Hydraulic cylinder be hydraulic energy is changed into mechanical energy, the hydraulic pressure that does straight reciprocating motion (or oscillating motion) performs member
Part.Its simple in construction, reliable operation.Realized with it during reciprocating motion, deceleration device can be removed from, and without drive gap,
Stable movement, therefore be used widely in various mechanical hydraulic systems.The piston rod in many application scenarios, hydraulic cylinder
Need to be parked in that certain position is motionless and bear certain push and draw force for a long time, general technical scheme is set up in hydraulic system
Pressure dwelling loop so that the hydraulic control system of hydraulic cylinder becomes complicated, the increase of hydraulic system volume, and the side of hydraulic cylinder and
Continuous high-pressure present in hydraulic circuit, it is very big to piston seal and hydraulic system injury, therefore system reliability reduction.It is another
Aspect, because the piston and cylinder barrel of hydraulic cylinder are largely cylindrical structural, this structure in itself i.e. can be relative with one
The free degree of rotation, if being not added with any limitation, can produce the rotation between piston rod and cylinder barrel, so that easily in its work
The destructions such as deformation, the accelerated wear test of contained seal are caused, while requiring piston rod outbound course and cylinder barrel into fixation some
The occasion of angle, can cause extra increase side in hydraulic cylinder force to carry power or axial moment, so as to bring unsafe factor, significantly
Shorten the service life of hydraulic cylinder.
The content of the invention
For problems of the prior art, the utility model provides a kind of locking type hydraulic cylinder, can be in any bit
Put axially and radially locked hydraulic cylinder；The hydraulic locking cylinder is reliable, easy to operate.
To achieve these goals, the technical solution of the utility model is：A kind of locking type hydraulic cylinder, including locking case
Body, latch assembly, check lock lever, piston, cylinder body and piston rod, described piston, piston rod and cylinder body are coaxially disposed, piston and cylinder
Body is rotatably assorted connection；The left end of described cylinder body is provided with cylinder cap one, and right-hand member is provided with cylinder cap two, in the piston left and right sides
Hydraulic fluid port one and hydraulic fluid port two are respectively equipped with cylinder body；The left end of described fastened housing is fixedly connected with cylinder cap two, and right-hand member is provided with
Locking hole is provided with case lid, the wall of fastened housing, locking hole is provided with lock claw bowl cover close to fastened housing outer wall one end；Described
The left end of piston rod passes through cylinder cap one, and right-hand member is coaxially provided with described check lock lever, and the right-hand member of check lock lever passes through cylinder cap two, is placed in lock
Tight box house；Latch assembly described at least two is radially angularly set along check lock lever, and described latch assembly includes
Pressure valve, lever, lock claw bar and positioning key, described pressure valve are located on the outer wall of fastened housing, and valve element is stretched out under valve body
End is held to be provided with pin, pin passes through the slotted hole that lever right-hand member coordinates with it, is connected with lever slips, the left end and lock of lever
The upper end of claw bar is hinged, and the lower end of lock claw bar is through the locking hole on lock claw bowl cover, fastened housing, and the lower end of lock claw bar is set
There is positioning key, positioning key is engaged with the axially position groove of check lock lever right-hand member；The determining close to lower end in lock claw bowl cover and lock claw bar
Spring two is provided between the shaft shoulder of position, spring two is in compressive state；
Further, described pressure valve also includes spring one and valve end cap, and described valve end cap is arranged on valve body upper end；
The axial cross section for the valve element being located in valve body is T-shaped, and its vertical component effect passes through valve body lower end face；In valve element horizontal part and valve body lower end
Described spring one is provided between face, oil inlet is provided with valve end cap, oil return opening, oil inlet and oil return opening are provided with valve body
Top at the upward maximum displacement of valve element is respectively positioned on, when valve element is located at upward maximum displacement, oil inlet is not connected with oil-out；
Further, described positioning key is A type positioning keys.
The utility model sets latch assembly by setting check lock lever on the piston rod on fastened housing, and latch assembly passes through
Hydraulic control, realizing need not in hydraulic cylinder works or off working state lower piston rod and piston radial rotation lock, piston rod
The locking of axial location during axial movement, so as to protect associated component；The hydraulic pressure fuel feeding of latch assembly can and piston rod
To the fuel feeding of cylinder body is carried out and stopped simultaneously during movement, without individually operated.Utility model works are reliable, easy to operate.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model.
Fig. 2 is the partial enlarged drawing at A in Fig. 1.
In figure：1st, positioning key, 2, lock claw bar, 3, case lid, 4, fastened housing, 5, check lock lever, 6, piston, 7, cylinder body, 8, cylinder
Gai Yi, 9, piston rod, 10, hydraulic fluid port one, 11, hydraulic fluid port two, 12, pressure valve, 12-1, oil inlet, 12-2, valve body, 12-3, spring
One, 12-4, pin, 12-5, valve element, 12-6, oil return opening, 12-7, valve end cap, 13, cylinder cap two, 14, lever, 15, lock claw bowl cover,
16th, spring two.
Embodiment
The utility model is described in further detail the below in conjunction with the accompanying drawings (left side in left and right directions and Fig. 1 in following description
Right direction is consistent).
As depicted in figs. 1 and 2, a kind of locking type hydraulic cylinder, including fastened housing 4, latch assembly, check lock lever 5, piston
6th, cylinder body 7 and piston rod 9, described piston 6, piston rod 9 and cylinder body 7 are coaxially disposed, and piston 6 is rotatably assorted with cylinder body 7 and is connected；
The left end of described cylinder body 7 is provided with cylinder cap 1, and right-hand member is provided with cylinder cap 2 13, divides on the cylinder body 7 of the left and right sides of piston 6
She You not hydraulic fluid port 1 and hydraulic fluid port 2 11；The left end of described fastened housing 4 is fixedly connected with cylinder cap 2 13, and right-hand member is provided with case
Locking hole is provided with lid 3, the wall of fastened housing 4, locking hole is provided with lock claw bowl cover 15 close to the outer wall one end of fastened housing 4；Institute
The left end for the piston rod 9 stated passes through cylinder cap 1, and right-hand member is coaxially provided with described check lock lever 5, and the right-hand member of check lock lever 5 passes through cylinder cap
2 13, it is placed in inside fastened housing 4；Latch assembly described at least two is radially angularly set along check lock lever 5, described
Latch assembly includes pressure valve 12, lever 14, lock claw bar 2 and positioning key 1, and described pressure valve 12 is located at the outer of fastened housing 4
On wall, the lower end that valve element 12-5 stretches out valve body 12-2 is provided with pin 12-4, and pin 12-4 passes through the right-hand member of lever 14 and matched somebody with somebody with it
The slotted hole of conjunction, it is slidably connected with lever 14, the upper end of the left end and lock claw bar 2 of lever 14 is hinged, and the lower end of lock claw bar 2 is passed through
Locking hole on lock claw bowl cover 15, fastened housing 4, the lower end of lock claw bar 2 is provided with positioning key 1, positioning key 1 and check lock lever 5
The axially position groove of right-hand member is engaged；Spring two is provided between the positioning shaft shoulder of lower end in lock claw bowl cover 15 and lock claw bar 2
16, spring 2 16 is in compressive state.When the piston rod 9 of hydraulic cylinder needs normal work, respectively from two hydraulic fluid port oil-feeds and
Oil return, meanwhile, to the fuel feeding of pressure valve 12, the valve element 12-5 of pressure valve 12 is moved down in the presence of hydraulic oil, drives lever
14 right-hand member is moved down, and the left end of lever 14 drives lock claw bar 2 and the positioning key 1 on lock claw bar 2 to move up, fixed
The bottom surface of position key 1 is not contacted with check lock lever 5, still, the locating slot on the endless total detachment check lock lever 5 of positioning key 1, now, positioning
Key 1 can position, prevent piston rod 9 and piston 6 from being rotated relative to cylinder body 7；When hydraulic cylinder, which is stopped, needs locking, stop
To two hydraulic fluid port fuel feeding of cylinder body 7, at the same time, stop to the fuel feeding of pressure valve 12, the valve element 12-5 of pressure valve 12 is in valve body
Moved up in the presence of the back-moving spring in portion, lock claw bar 2 is moved down under the restoring force effect of spring 2 16, so that will be fixed
Position key 1 is pressed in the locating slot of check lock lever 5, realizes the locking of piston rod 9 and the axial location of piston 6.
As shown in Fig. 2 described pressure valve 12 also includes the 12-3 of spring one and valve end cap 12-7, described valve end cap 12-7
Installed in valve body 12-2 upper ends；The axial cross section for the valve element 12-5 being located in valve body 12-2 is T-shaped, and its vertical component effect passes through valve body
12-2 lower surfaces；The described 12-3 of spring one is provided between valve element 12-5 horizontal parts and valve body 12-2 lower surfaces, in valve end cap
12-7 is provided with oil inlet 12-1, is respectively positioned on valve body 12-2 provided with oil return opening 12-6, oil inlet 12-1 and oil return opening 12-6
Top at the upward maximum displacements of valve element 12-5, when valve element is located at upward maximum displacement, oil inlet is not connected with oil-out.This
The pressure valve of kind of structure each the conventional shape that is shaped as of part, processing and easy to assembly and reliable operation are installed.
Described positioning key 1 is A type positioning keys, and selection standard part is easy to process, installed, and changes convenient.
Claims (3)
1. a kind of locking type hydraulic cylinder, it is characterised in that：Including fastened housing (4), latch assembly, check lock lever (5), piston (6),
Cylinder body (7) and piston rod (9), described piston (6), piston rod (9) and cylinder body (7) are coaxially disposed, piston (6) and cylinder body (7)
Be rotatably assorted connection；The left end of described cylinder body (7) is provided with cylinder cap one (8), and right-hand member is provided with cylinder cap two (13), in piston
(6) hydraulic fluid port one (10) and hydraulic fluid port two (11) are respectively equipped with the cylinder body (7) of the left and right sides；The left end of described fastened housing (4)
It is fixedly connected with cylinder cap two (13), right-hand member is provided with case lid (3), the wall of fastened housing (4) and is provided with locking hole, and locking hole is close
Fastened housing (4) outer wall one end is provided with lock claw bowl cover (15)；The left end of described piston rod (9) passes through cylinder cap one (8), right-hand member
Described check lock lever (5) is coaxially provided with, the right-hand member of check lock lever (5) passes through cylinder cap two (13), is placed in fastened housing (4) inside；Extremely
Latch assembly described in few two is radially angularly set along check lock lever (5), described latch assembly include pressure valve (12),
Lever (14), lock claw bar (2) and positioning key (1), described pressure valve (12) are located on the outer wall of fastened housing (4), valve element
The lower end that (12-5) stretches out valve body (12-2) is provided with pin (12-4), and pin (12-4) passes through lever (14) right-hand member and matched somebody with somebody with it
The slotted hole of conjunction, it is slidably connected with lever (14), the upper end of the left end and lock claw bar (2) of lever (14) is hinged, lock claw bar (2)
Lower end is provided with positioning key (1) through the locking hole on lock claw bowl cover (15), fastened housing (4), the lower end of lock claw bar (2),
Positioning key (1) is engaged with the axially position groove of check lock lever (5) right-hand member；In lock claw bowl cover (15) and lock claw bar (2) close to lower end
Positioning shaft shoulder between be provided with spring two (16), spring two (16) be in compressive state.
2. a kind of locking type hydraulic cylinder according to claim 1, it is characterized in that：Described pressure valve (12) also includes spring
One (12-3) and valve end cap (12-7), described valve end cap (12-7) are arranged on valve body (12-2) upper end；It is located at valve body (12-2)
In valve element (12-5) axial cross section to be T-shaped, its vertical component effect passes through valve body (12-2) lower surface；In valve element (12-5) horizontal part
Described spring one (12-3) is provided between valve body (12-2) lower surface, oil inlet (12- is provided with valve end cap (12-7)
1) oil return opening (12-6), is provided with valve body (12-2), oil inlet (12-1) and oil return opening (12-6) are respectively positioned on valve element (12-5)
Top at upward maximum displacement, when valve element is located at upward maximum displacement, oil inlet is not connected with oil-out.
3. a kind of locking type hydraulic cylinder according to claim 1 or 2, it is characterized in that：Described positioning key (1) is fixed for A types
Position key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621465141.1U CN206503802U (en) | 2016-12-29 | 2016-12-29 | Locking type hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621465141.1U CN206503802U (en) | 2016-12-29 | 2016-12-29 | Locking type hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206503802U true CN206503802U (en) | 2017-09-19 |
Family
ID=59837065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621465141.1U Expired - Fee Related CN206503802U (en) | 2016-12-29 | 2016-12-29 | Locking type hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206503802U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108591179A (en) * | 2018-07-18 | 2018-09-28 | 徐州重型机械有限公司 | Pre- locking oil cylinder and hoisting machinery |
| CN109049155A (en) * | 2018-09-25 | 2018-12-21 | 萧进雄 | Vapour-pressure type gang drill self-locking mechanism |
| CN111412193A (en) * | 2020-03-29 | 2020-07-14 | 邵玉强 | Oil cylinder |
-
2016
- 2016-12-29 CN CN201621465141.1U patent/CN206503802U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108591179A (en) * | 2018-07-18 | 2018-09-28 | 徐州重型机械有限公司 | Pre- locking oil cylinder and hoisting machinery |
| CN109049155A (en) * | 2018-09-25 | 2018-12-21 | 萧进雄 | Vapour-pressure type gang drill self-locking mechanism |
| CN111412193A (en) * | 2020-03-29 | 2020-07-14 | 邵玉强 | Oil cylinder |
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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: 20170919 Termination date: 20201229 |