CN219711943U - Mechanical locking device of hydraulic cylinder - Google Patents
Mechanical locking device of hydraulic cylinder Download PDFInfo
- Publication number
- CN219711943U CN219711943U CN202320832211.6U CN202320832211U CN219711943U CN 219711943 U CN219711943 U CN 219711943U CN 202320832211 U CN202320832211 U CN 202320832211U CN 219711943 U CN219711943 U CN 219711943U
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- Prior art keywords
- cylinder body
- piston rod
- movable
- cylinder
- locking
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 239000002245 particle Substances 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 239000003921 oil Substances 0.000 abstract description 14
- 239000010720 hydraulic oil Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
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- Actuator (AREA)
Abstract
The utility model discloses a mechanical locking device of a hydraulic oil cylinder, which comprises an oil cylinder body and a piston rod, wherein the piston rod is arranged in the oil cylinder body, a movable rod is welded on the surface of the piston rod, a sleeve is fixed on the surface of the oil cylinder body, a plug hole is formed in the surface of the sleeve in a penetrating manner, a movable disc is sleeved on the surface of the oil cylinder body, a locking rod is vertically arranged on the surface of the top of the movable disc, a thread fixing cylinder is spirally connected on the surface of the oil cylinder body, a locking ring is arranged at the top of the thread fixing cylinder, and external threads for adapting to the thread fixing cylinder are arranged on the surface of the outer side of the oil cylinder body. According to the utility model, the piston rod, the moving rod, the sleeve, the locking rod, the moving disc and the threaded fixed cylinder are matched for use, so that the piston rod can be conveniently locked, the mode is simple to operate, the piston rod can be locked through a simple mechanical structure, and the production cost of the oil cylinder body is effectively reduced.
Description
Technical Field
The utility model relates to the technical field of mechanical locking of hydraulic cylinders, in particular to a mechanical locking device of a hydraulic cylinder.
Background
The hydraulic system is a whole set of device which uses hydraulic oil as a working medium, utilizes the pressure energy of the hydraulic oil and controls the hydraulic actuating mechanism to work through a hydraulic control element and the like, and a hydraulic oil cylinder in the hydraulic system is a hydraulic actuating element which converts the hydraulic energy into mechanical energy and carries out linear reciprocating motion or swinging motion.
The prior art has the following problems:
when the existing hydraulic cylinder works, particularly for some hydraulic cylinders which play a role in a jacking machine for a long time, once a piston rod falls off, property loss of people is easy to cause, according to published authority, the publication number is CN212377013U, the hydraulic cylinder is mechanically locked, the problem that the existing hydraulic cylinder is excessively complicated and dead plate in a mechanical locking mode is solved, and although the effect of locking the piston rod can be achieved, an external driving source is needed, so that the production cost of the hydraulic cylinder can be increased.
For this reason, we propose a hydraulic cylinder mechanical locking device to solve the above-mentioned drawbacks.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides a mechanical locking device of a hydraulic cylinder.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a hydraulic cylinder mechanical locking device, includes hydro-cylinder body and piston rod, the inside piston rod that is provided with of hydro-cylinder body, piston rod surface welding has the carriage release lever, hydro-cylinder body surface fixation has the sleeve, the spliced eye has been seted up on the sleeve surface, the hydro-cylinder body surface has cup jointed the movable disk, the vertical locking lever that installs in movable disk top surface, hydro-cylinder body surface screwed connection has a thread fixing section of thick bamboo, thread fixing section of thick bamboo top is provided with the locking ring, hydro-cylinder body outside surface is provided with the external screw thread of adaptation thread fixing section of thick bamboo.
Preferably, the outer side surface of the thread fixing cylinder is provided with anti-slip convex particles.
Preferably, the cross section of the movable rod is of an L-shaped structure, a plurality of movable rods are arranged, and the movable rods are welded on the outer side surface of the piston rod in an equidistance and encircling mode.
Preferably, a plurality of locking rods are arranged, the number of the locking rods is the same as that of the moving rods, and the outer diameters of the locking rods are equal to that of the moving rods.
Preferably, the locking rod and the moving rod are in interference fit with the plug hole.
Preferably, the middle position of the surface of the movable disc is provided with a yielding hole in a penetrating way, and the inner diameter of the yielding hole is larger than the outer diameter of the oil cylinder body and smaller than the outer diameter of the sleeve.
Compared with the prior art, the utility model has the beneficial effects that;
1. according to the utility model, the piston rod, the moving rod, the sleeve, the locking rod, the moving disc and the threaded fixing cylinder are matched for use, so that the piston rod is conveniently locked, the cylinder body drives the piston rod to drive in operation, the moving rod on the surface can be driven to move in the plug hole in the driving process of the piston rod, after the piston rod is driven to a specified position, a worker manually rotates the threaded fixing cylinder, the threaded fixing cylinder is matched with an external thread to move upwards on the surface of the cylinder body, the threaded fixing cylinder jacks up the moving disc through the locking ring at the top in the moving process, and then the locking piece is inserted into the plug hole along with the moving ring in an upward moving mode until the top end of the locking rod is abutted against the bottom surface of the moving rod, so that the locking of the piston rod is completed.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments will be briefly described below.
Fig. 1 is a schematic structural view of a mechanical locking device for a hydraulic cylinder according to the present utility model;
FIG. 2 is a schematic view of a hydraulic cylinder mechanical locking device moving disc according to the present utility model;
FIG. 3 is a schematic view of a mechanical locking device of a hydraulic cylinder of the present utility model;
FIG. 4 is a schematic view of a sleeve of a mechanical locking device for a hydraulic cylinder according to the present utility model;
fig. 5 is a schematic diagram of a moving rod of a mechanical locking device of a hydraulic cylinder according to the present utility model.
Legend description:
1. an oil cylinder body; 2. an external thread; 3. a screw thread fixing cylinder; 4. a moving tray; 5. a locking lever; 6. a sleeve; 7. a moving rod; 8. a piston rod; 9. a relief hole; 10. anti-slip convex particles; 11. a locking ring; 12. and a plug hole.
Detailed Description
The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.
Referring to fig. 1-5, a mechanical locking device for a hydraulic cylinder comprises a cylinder body 1 and a piston rod 8, wherein the piston rod 8 is arranged inside the cylinder body 1, a movable rod 7 is welded on the surface of the piston rod 8, a sleeve 6 is fixed on the surface of the cylinder body 1, a plug hole 12 is formed in the surface of the sleeve 6 in a penetrating manner, a movable disc 4 is sleeved on the surface of the cylinder body 1, a locking rod 5 is vertically arranged on the top surface of the movable disc 4, a thread fixing cylinder 3 is spirally connected on the surface of the cylinder body 1, a locking ring 11 is arranged at the top of the thread fixing cylinder 3, and external threads 2 of an adaptive thread fixing cylinder 3 are arranged on the outer side surface of the cylinder body 1.
In this embodiment: through setting up piston rod 8, movable rod 7, sleeve 6, locking lever 5, movable disk 4 and the cooperation of screw thread fixed cylinder 3 and use, be convenient for to the locking of piston rod 8, make when the operation, cylinder body 1 drives piston rod 8 drive, in the driven in-process of piston rod 8, can drive the movable rod 7 on surface at inside removal of spliced eye 12, after piston rod 8 drives the assigned position, the manual rotatory screw thread fixed cylinder 3 of staff, afterwards screw thread fixed cylinder 3 makes it upwards move at cylinder body 1 surface through the cooperation with external screw thread 2, in the in-process of removal, make screw thread fixed cylinder 3 jack-up movable disk 4 through locking ring 11 at top, afterwards make the latch member follow movable ring upwards move jack-up to inside spliced eye 12, until locking lever 5 top and movable rod 7 bottom surface conflict, thereby accomplish the locking of back piston rod 8, this mode easy operation, realize the locking to piston rod 8, thereby the effectual manufacturing cost of reducing cylinder body 1.
Specifically, the outer side surface of the thread fixing cylinder 3 is provided with anti-slip convex particles 10.
In this embodiment: by arranging the anti-skid convex particles 10, the anti-skid performance of the thread fixing cylinder 3 is convenient to improve.
Specifically, the cross section of the movable rod 7 is of an L-shaped structure, the movable rods 7 are provided with a plurality of movable rods 7, the plurality of movable rods 7 are welded on the outer side surface of the piston rod 8 in an equidistance surrounding mode, the plurality of locking rods 5 are provided, the number of the locking rods 5 is the same as that of the movable rods 7, and the outer side diameter of the locking rods 5 is equal to that of the movable rods 7.
In this embodiment: by providing a plurality of moving rods 7 and locking rods 5, the stability of the locking of the piston rod 8 is facilitated to be improved.
Specifically, the locking rod 5 and the moving rod 7 are in interference fit with the plug hole 12.
In this embodiment: through setting up locking lever 5 and movable rod 7 with spliced eye 12 interference fit, be convenient for improve locking lever 5 with the stability of movable rod 7 conflict locking time.
Specifically, the middle position of the surface of the movable disc 4 is provided with a yielding hole 9 in a penetrating manner, and the inner side diameter of the yielding hole 9 is larger than the outer side diameter of the oil cylinder body 1 and smaller than the outer side diameter of the sleeve 6.
In this embodiment: by arranging the abdication hole 9, the movable disc 4 is convenient to ensure that the movable disc is sleeved and moved up and down on the outer side surface of the oil cylinder body 1.
Working principle: when the oil cylinder is in operation, the oil cylinder body 1 is started to drive the piston rod 8, the piston rod 8 drives the surface moving rod 7 to move in the inserting hole 12, after the piston rod 8 is driven to a specified position, a worker manually rotates the thread fixing cylinder 3, then the thread fixing cylinder 3 moves upwards on the surface of the oil cylinder body 1 through the cooperation with the external thread 2, the thread fixing cylinder 3 jacks up the moving disc 4 through the locking ring 11 at the top in the moving process, and then the locking piece is enabled to follow the moving ring to move upwards and be inserted into the inserting hole 12 until the top end of the locking rod 5 is abutted against the bottom end surface of the moving rod 7, so that the locking of the piston rod 8 is completed.
It is to be understood that the above-described embodiments of the present utility model are merely illustrative of or explanation of the principles of the present utility model and are in no way limiting of the utility model. Accordingly, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present utility model should be included in the scope of the present utility model. Furthermore, the appended claims are intended to cover all such changes and modifications that fall within the scope and boundary of the appended claims, or equivalents of such scope and boundary.
Claims (6)
1. The utility model provides a hydraulic cylinder mechanical locking device, includes hydro-cylinder body (1) and piston rod (8), a serial communication port, the inside piston rod (8) that is provided with of hydro-cylinder body (1), piston rod (8) surface welding has movable rod (7), hydro-cylinder body (1) surface fixation has sleeve (6), socket hole (12) have been seted up on sleeve (6) surface, movable disk (4) have been cup jointed on hydro-cylinder body (1) surface, movable disk (4) top surface vertical install locking lever (5), hydro-cylinder body (1) surface screwed connection has screw thread fixed cylinder (3), screw thread fixed cylinder (3) top is provided with locking ring (11), hydro-cylinder body (1) outside surface is provided with external screw thread (2) of adaptation screw thread fixed cylinder (3).
2. A hydraulic cylinder mechanical locking device according to claim 1, characterized in that the outer side surface of the screw-thread fixing cylinder (3) is provided with anti-slip protruding particles (10).
3. The mechanical locking device of the hydraulic cylinder according to claim 1, wherein the cross section of the movable rod (7) is of an L-shaped structure, a plurality of movable rods (7) are arranged, and the movable rods (7) are welded on the outer side surface of the piston rod (8) in an equidistance and surrounding manner.
4. The mechanical locking device for the hydraulic cylinder according to claim 1, wherein a plurality of locking rods (5) are arranged, the number of the locking rods (5) is the same as that of the moving rods (7), and the outer diameters of the locking rods (5) are equal to that of the moving rods (7).
5. A hydraulic cylinder mechanical locking device according to claim 1, characterized in that the locking lever (5) and the moving lever (7) are in interference fit with the plug hole (12).
6. The mechanical locking device of the hydraulic cylinder according to claim 1, wherein a yielding hole (9) is formed in the middle of the surface of the movable disc (4) in a penetrating manner, and the inner diameter of the yielding hole (9) is larger than the outer diameter of the cylinder body (1) and smaller than the outer diameter of the sleeve (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320832211.6U CN219711943U (en) | 2023-04-14 | 2023-04-14 | Mechanical locking device of hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320832211.6U CN219711943U (en) | 2023-04-14 | 2023-04-14 | Mechanical locking device of hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219711943U true CN219711943U (en) | 2023-09-19 |
Family
ID=88004692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320832211.6U Active CN219711943U (en) | 2023-04-14 | 2023-04-14 | Mechanical locking device of hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219711943U (en) |
-
2023
- 2023-04-14 CN CN202320832211.6U patent/CN219711943U/en active Active
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