CN117249145A - Hydraulic cylinder with mechanical locking function - Google Patents
Hydraulic cylinder with mechanical locking function Download PDFInfo
- Publication number
- CN117249145A CN117249145A CN202311531940.9A CN202311531940A CN117249145A CN 117249145 A CN117249145 A CN 117249145A CN 202311531940 A CN202311531940 A CN 202311531940A CN 117249145 A CN117249145 A CN 117249145A
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- Prior art keywords
- locking
- cylinder body
- hydraulic
- rod
- cylinder
- Prior art date
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- Granted
Links
- 238000007789 sealing Methods 0.000 claims description 35
- 239000007788 liquid Substances 0.000 claims description 26
- 239000004519 grease Substances 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 17
- 238000010586 diagram Methods 0.000 description 8
- 238000009826 distribution Methods 0.000 description 8
- 239000010720 hydraulic oil Substances 0.000 description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
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- 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
- F15B15/1428—Cylinders
-
- 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
- F15B15/1457—Piston rods
-
- 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
- F15B15/262—Locking mechanisms using friction, e.g. brake pads
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
Abstract
The invention relates to the technical field of hydraulic cylinders, and particularly discloses a hydraulic cylinder with a mechanical locking function, which solves the technical problems that a locking structure is connected with a cylinder body and long manual operation time is required for unlocking and locking in the technical scheme in the prior art.
Description
Technical Field
The invention relates to the technical field of hydraulic cylinders, in particular to a hydraulic cylinder with a mechanical locking function.
Background
A hydraulic ram is a device that converts hydraulic energy into mechanical energy. The oil cylinder is mainly composed of an oil cylinder and an oil cylinder piston, and the oil cylinder piston are sealed through oil sealing. The inside cavity that has of hydro-cylinder for filling hydraulic oil, hydraulic cylinder's theory of operation is: the hydraulic oil is pressurized by the hydraulic pump and then the high-pressure oil is sent into the cylinder through the pipeline. The high pressure oil pushes the piston to move, so that the piston connecting rod (if any) is driven to do linear reciprocating motion, and the hydraulic oil cylinder with the mechanical locking function is a special hydraulic oil cylinder. The oil cylinder can normally work under the action of hydraulic thrust, and when the hydraulic system stops oil supply or an oil way is interrupted, the mechanical locking device can automatically lock, so that the piston rod of the oil cylinder keeps the current position and cannot retract or move due to the loss of hydraulic pressure, and the stability and the safety of work are ensured.
The utility model provides a hydraulic cylinder with mechanical locking function, the patent of publication number CN210397315U, includes the cylinder cap, the front end oil inlet is installed to the up end of cylinder cap, the dirt-proof ring is installed to the inner wall of cylinder cap front end, the cylinder is installed to one side of cylinder cap, the rear connecting ring is installed to the lower extreme of cylinder, the oil feed flange is installed to the up end of rear connecting ring, the cylinder is provided with the rear connecting ring, the locking pin is installed to the bottom surface of rear connecting ring, sealed lid is installed to the up end of locking pin, the piston rod is installed to the inboard of cylinder cap, the surface of one side of piston rod is provided with the locking hole, the go-between is installed to the front end of piston rod, the lock sleeve is installed to the surface of piston rod, the nut is installed to the other end of piston rod.
The technical scheme in the prior art has the technical problem that the locking structure is connected with the cylinder body, and the unlocking and locking needs longer manual operation time.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the hydraulic oil cylinder with the mechanical locking function, and solves the technical problem that the locking structure is connected with the cylinder body and the unlocking and locking needs longer manual operation time in the technical scheme of the prior art.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a hydraulic cylinder with mechanical locking function, includes the master cylinder body, the master cylinder body is cylindrical barrel, slide bar hole has been seted up to master cylinder body one end, master cylinder body one end is provided with sealed end, the internal front end of master cylinder has seted up preceding pressure cavity, the internal rear end of master cylinder has seted up the back pressure cavity, master cylinder body lateral wall fixed mounting has the locking cylinder body, the slotted hole has been seted up in the locking cylinder body, slidable mounting has the hydraulic stem in the master cylinder body, slidable mounting has the locking lever in the locking cylinder body, the locking lever with hydraulic stem fixed connection reduces the leakage of hydro-cylinder through the dual pole mode, increases the performance and the durable of hydro-cylinder, accomplishes the position locking after locking and bearing cylinder unload the power through the locking cylinder.
Preferably, the outer fixed cover of master cylinder is equipped with the dustcoat section of thick bamboo, be connected with the strengthening rib between dustcoat section of thick bamboo and the master cylinder body, increase the structural strength of master cylinder body.
Preferably, the front pressure cavity and the rear pressure cavity are provided with liquid distribution ports, the liquid distribution ports are provided with liquid distributors, the liquid distributors are provided with four liquid distribution pipes, the liquid distribution pipes are provided with electromagnetic valves, the liquid distributors are provided with switch valves, and four independent control channels are arranged for the double liquid inlet ports.
Preferably, the pressure limiting valves are arranged on the front pressure cavity and the rear pressure cavity, a sealing cover is fixedly arranged outside the pressure limiting valves, a pressure release pipe is fixedly arranged in the sealing cover, and the pressure release protection is provided for the main cylinder body through a pressure limiting structure, so that the cylinder body is prevented from being damaged under the high pressure condition.
Preferably, the piston block is fixedly installed under the hydraulic rod, the piston block is slidably installed in the main cylinder body, a pressure limiting pipe is installed on the piston block, a pressure limiting plate is arranged in the pressure limiting pipe, the piston block can be automatically protected when bearing high pressure through the pressure limiting plate and the pressure limiting pipe, and the pressure limiting plate is cracked to enable the piston block to be communicated up and down.
Preferably, the locking rod is provided with a locking block, a pair of electric putter is fixedly installed in the locking block, a pair of wedge blocks are fixedly installed at the telescopic ends of the electric putter, a pair of inclined planes are formed in the inner side wall surface of the locking cylinder body, the inclined planes are parallel, a pair of sliding rails are arranged in the locking cylinder body, the locking block is slidably installed on the pair of sliding rails, the telescopic ends of the electric putter extend, the wedge blocks compress the inclined planes at two ends, and strong friction resistance is formed on the linear sliding rails, so that the locking rod of the locking cylinder body is achieved.
Preferably, the locking rod and the hydraulic rod are fixedly provided with a connecting cylinder, the connecting cylinder is provided with a through hole, the locking rod and the hydraulic rod are provided with threaded holes, and the locking rod and the hydraulic rod are fixedly provided with fastening bolts.
Preferably, a sealing sleeve is fixedly arranged at one end of the hydraulic rod, sealing grease is sleeved in the sealing sleeve, a buffer pad is fixedly arranged at one end of the sealing sleeve, a rubber pad is arranged in the buffer pad, sealing capability is improved through the sealing grease and the sealing sleeve, and limiting protection is completed through the buffer pad.
Preferably, the side wall surface of the locking cylinder body is provided with a slotted hole, the locking block is provided with a through hole, the locking block and the locking cylinder body are provided with pins, and the hydraulic cylinder body is manually locked through the pins.
Preferably, the through hole is formed in the pin, a antiskid plate is arranged at one end of the pin, a welding nut is arranged on the antiskid plate, the welding nut is in threaded connection with a locking bolt, the locking bolt penetrates through the pin, and the locking bolt and the pin are in threaded connection in a rotating mode, so that the connection strength can be remarkably improved.
The beneficial effects are that:
the invention provides a hydraulic cylinder with a mechanical locking function, which reduces oil leakage risk: through the double-rod mode, the leakage of the oil cylinder is reduced, the performance and durability of the oil cylinder are improved, and the locking and the position locking after the load-bearing oil cylinder is unloaded are completed through the locking cylinder.
The structural strength is increased: the outer fixed cover of master cylinder is equipped with the dustcoat section of thick bamboo, is connected with the strengthening rib between dustcoat section of thick bamboo and the master cylinder body, increases the structural strength of master cylinder body.
Four independent control channels are arranged for the double liquid inlets.
The pressure limiting valve is arranged on the front pressure cavity and the rear pressure cavity, the sealing cover is fixedly arranged outside the pressure limiting valve, the pressure relief pipe is fixedly arranged in the sealing cover, and the pressure relief protection is provided for the main cylinder body through the pressure limiting structure, so that the cylinder body is prevented from being damaged under the high pressure condition.
The piston block can be automatically protected when bearing high pressure through the pressure limiting plate and the pressure limiting pipe, and the pressure limiting plate is cracked to enable the piston block to be communicated up and down.
Be provided with the locking piece on the locking lever, fixed mounting has a pair of electric putter in the locking piece, stretches through the flexible end of electric putter for the wedge compresses tightly the inclined plane at both ends, and forms powerful frictional resistance on straight-line slide rail, makes locking cylinder body locking lever.
Drawings
Fig. 1 is a schematic structural diagram of a hydraulic cylinder with a mechanical locking function according to the present invention.
Fig. 2 is a schematic structural diagram of a hydraulic cylinder with a mechanical locking function according to the present invention.
Fig. 3 is a schematic structural diagram of a hydraulic cylinder with a mechanical locking function according to the present invention.
Fig. 4 is a schematic diagram of a front view structure of the hydraulic cylinder with mechanical locking function according to the present invention.
Fig. 5 is a schematic cross-sectional view of a hydraulic cylinder with mechanical locking function according to the present invention.
Fig. 6 is a schematic diagram of a cross-sectional structure of the hydraulic cylinder with mechanical locking function according to the present invention.
Fig. 7 is a schematic diagram of a cross-sectional structure of the hydraulic cylinder with mechanical locking function according to the present invention.
Fig. 8 is a schematic bottom view of a hydraulic cylinder with a mechanical locking function according to the present invention.
Fig. 9 is a schematic cross-sectional structure diagram of a hydraulic cylinder with mechanical locking function according to the present invention.
Fig. 10 is a schematic diagram of a cross-sectional structure of a hydraulic cylinder with a mechanical locking function according to the present invention.
In the figure: 100. a main cylinder; 101. a front pressure cavity; 102. back pressing the cavity; 200. locking the cylinder body; 301. a hydraulic rod; 401. a locking lever; 103. an outer cover cylinder; 104. reinforcing ribs; 501. a knockout; 502. a liquid preparation pipe; 503. an electromagnetic valve; 504. a switch valve; 601. a pressure limiting valve; 602. a sealing cover; 603. a pressure relief tube; 302. a piston block; 303. a pressure limiting tube; 304. a pressure limiting plate; 402. a locking block; 403. an electric push rod; 404. wedge blocks; 201. a slide rail; 701. a connecting cylinder; 702. a fastening bolt; 801. sealing sleeve; 802. sealing grease; 803. a cushion pad; 804. a rubber pad; 901. a pin; 902. a cleat; 903. welding a nut; 904. and locking the bolt.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention disclosed herein without departing from the scope of the invention.
Referring to fig. 1-10, the present invention provides a technical solution: the utility model provides a hydraulic cylinder with mechanical locking function, includes main cylinder body 100, main cylinder body 100 is cylindrical barrel, slide bar hole has been seted up to main cylinder body 100 one end, main cylinder body 100 one end is provided with the sealed end, preceding pressure cavity 101 has been seted up to main cylinder body 100 inner front end, back pressure cavity 102 has been seted up to main cylinder body 100 inner rear end, main cylinder body 100 lateral wall fixed mounting has locking cylinder body 200, the slotted hole has been seted up in the locking cylinder body 200, slidable mounting has hydraulic stem 301 in main cylinder body 100, slidable mounting has locking stem 401 in locking cylinder body 200, locking stem 401 with hydraulic stem 301 fixed connection reduces the leakage of hydro-cylinder through the dual lever mode, increases the performance and the durable of hydro-cylinder, accomplishes the position locking after locking and bearing cylinder unloading through the locking cylinder.
The embodiment is further configured that the outer fixing sleeve of the main cylinder body 100 is provided with the outer cover cylinder 103, and the reinforcing ribs 104 are connected between the outer cover cylinder 103 and the main cylinder body 100, so that the structural strength of the main cylinder body 100 is improved.
The embodiment is further configured in that a liquid distribution port is installed outside the front pressure cavity 101 and the rear pressure cavity 102, a liquid distributor 501 is installed on the liquid distribution port, four liquid distribution pipes 502 are arranged on the liquid distributor 501, electromagnetic valves 503 are arranged on the liquid distribution pipes 502, and an on-off valve 504 is arranged on the liquid distributor 501 to set four independent control channels for the double liquid inlets.
The embodiment is further configured in that a pressure limiting valve 601 is disposed on the front pressure cavity 101 and the rear pressure cavity 102, a sealing cover 602 is fixedly mounted outside the pressure limiting valve 601, a pressure relief pipe 603 is fixedly mounted in the sealing cover 602, and pressure relief protection is provided for the main cylinder 100 through a pressure limiting structure, so that cylinder damage caused under high pressure is prevented.
The embodiment is further configured in that a piston block 302 is fixedly installed under the hydraulic rod 301, the piston block 302 is slidably installed in the main cylinder body 100, a pressure limiting pipe 303 is installed on the piston block 302, a pressure limiting plate 304 is arranged in the pressure limiting pipe 303, the piston block 302 can be automatically protected when bearing high pressure through the pressure limiting plate 304 and the pressure limiting pipe 303, and the pressure limiting plate 304 is broken to enable the piston block 302 to be communicated up and down.
The embodiment is further configured in that a locking block 402 is provided on the locking rod 401, a pair of electric push rods 403 is fixedly installed in the locking block 402, a pair of wedge blocks 404 is fixedly installed at the telescopic ends of the electric push rods 403, a pair of inclined planes are formed on the inner side wall surface of the locking cylinder 200, the pair of inclined planes are parallel, a pair of sliding rails 201 are provided in the locking cylinder 200, the locking block 402 is slidably installed on the pair of sliding rails 201, the inclined planes at two ends are tightly pressed by the wedge blocks 404 through the telescopic ends of the electric push rods 403, and strong friction resistance is formed on the linear sliding rails 201, so that the locking cylinder 200 locks the locking rod 401.
The embodiment is further configured in that the locking rod 401 and the hydraulic rod 301 are fixedly provided with a connecting cylinder 701, the connecting cylinder 701 is provided with a through hole, the locking rod 401 and the hydraulic rod 301 are provided with threaded holes, the locking rod 401 and the hydraulic rod 301 are fixedly provided with fastening bolts 702, and the locking rod 401 and the hydraulic rod 301 are connected through the connecting cylinder 701, so that the linkage performance of the whole system is ensured.
The embodiment is further configured in that a sealing sleeve 801 is fixedly installed at one end of the hydraulic rod 301, sealing grease 802 is sleeved in the sealing sleeve 801, a buffer 803 is fixedly installed at one end of the sealing sleeve 801, a rubber pad 804 is arranged in the buffer 803, sealing capability is improved through the sealing grease 802 and the sealing sleeve 801, and limit protection is completed through the buffer 803.
The embodiment is further configured in that a slot hole is formed in a side wall surface of the locking cylinder 200, a through hole is formed in the locking block 402, a pin 901 is arranged on the locking block 402 and the locking cylinder 200, and the hydraulic cylinder is manually locked through the pin 901.
The embodiment is further configured in that a through hole is formed in the pin 901, a antiskid plate 902 is arranged at one end of the pin 901, a welding nut 903 is arranged on the antiskid plate 902, the welding nut 903 is in threaded connection with a locking bolt 904, the locking bolt 904 penetrates through the pin 901, and the locking bolt 904 and the pin 901 are in threaded connection in a rotating mode, so that the connection strength can be remarkably improved.
The detailed connection means are known in the art, and the following mainly describes the working principle and process, and the specific work is as follows.
Examples: as shown in fig. 1-10, the electromagnetic valve 503, the switch valve 504, the electric push rod 403 and the external controller and the power supply are connected by wires.
The initial stage: before starting the work, it is ensured that all the connection members are already fixed, and at the same time, it is checked whether the fastening bolts 702 on the locking bar 401 and the hydraulic bar 301 are firmly installed.
Starting a hydraulic system: the hydraulic system is started, hydraulic oil enters the hydraulic cylinder through a hydraulic pipeline, the hydraulic rod 301 and the locking rod 401 are pushed to move correspondingly, four double-end liquid inlet control holes are provided, and the hydraulic oil is controlled through the electromagnetic valve 503 and the switch valve 504 respectively.
Motion process: during the movement of the hydraulic rod 301 and the locking rod 401, the locking rod 401 and the hydraulic rod 301 are locked together through the fastening bolt 702 and the connecting cylinder 701, so that the linkage performance of the whole system is ensured.
Locking: when the hydraulic cylinder needs to be locked, the extension of the telescopic end of the electric push rod 403 is controlled, so that the wedge block 404 is tightly pressed on the inclined plane, the hydraulic cylinder body can be manually locked through the pin 901, the connection strength can be remarkably increased through the design of the welding nut 903 and the locking bolt 904, and the stability of the hydraulic cylinder in the locking state is ensured.
Stopping the use: when the use is stopped, the locking bar 401 and the hydraulic bar 301 can be separated by unlocking the fastening bolt 702 and the connecting cylinder 701, and then the hydraulic system is closed, so that subsequent maintenance and repair are facilitated.
Maintenance and maintenance: in the use process, the sealing grease 802 in the sealing sleeve 801 and the rubber pad 804 in the buffer pad 803 need to be checked regularly to ensure that the sealing grease is intact, so that the sealing capability is improved, and limit protection is finished. At the same time, the slot holes of the side wall surface of the lock cylinder 200, and the through holes of the lock block 402 are also checked periodically to ensure that they are not damaged.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
Claims (9)
1. The hydraulic cylinder with the mechanical locking function comprises a main cylinder body (100), and is characterized in that the main cylinder body (100) is a cylindrical cylinder body, a sliding rod hole is formed in one end of the main cylinder body (100), a sealing end is arranged at one end of the main cylinder body (100), a front pressing cavity (101) is formed in the front end of the main cylinder body (100), a rear pressing cavity (102) is formed in the rear end of the main cylinder body (100), a locking cylinder body (200) is fixedly arranged on the side wall surface of the main cylinder body (100), a slotted hole is formed in the locking cylinder body (200), a hydraulic rod (301) is slidably arranged in the main cylinder body (100), a locking rod (401) is slidably arranged in the locking cylinder body (200), and the locking rod (401) is fixedly connected with the hydraulic rod (301);
the locking device is characterized in that a locking block (402) is arranged on the locking rod (401), a pair of electric push rods (403) are fixedly arranged in the locking block (402), wedge-shaped blocks (404) are fixedly arranged at the telescopic ends of the electric push rods (403), a pair of inclined planes are formed in the inner side wall surface of the locking cylinder body (200), the inclined planes are parallel, a pair of sliding rails (201) are arranged in the locking cylinder body (200), and the locking block (402) is slidably arranged on the sliding rails (201).
2. The hydraulic cylinder with the mechanical locking function according to claim 1, wherein an outer cover cylinder (103) is fixedly sleeved outside the main cylinder body (100), and a reinforcing rib (104) is connected between the outer cover cylinder (103) and the main cylinder body (100).
3. The hydraulic cylinder with the mechanical locking function according to claim 2, wherein a liquid separating port is arranged outside the front pressure cavity (101) and the rear pressure cavity (102), a liquid separator (501) is arranged on the liquid separating port, four liquid distributing pipes (502) are arranged on the liquid separator (501), an electromagnetic valve (503) is arranged on the liquid distributing pipes (502), and a switch valve (504) is arranged on the liquid separator (501).
4. A hydraulic cylinder with a mechanical locking function according to claim 3, wherein pressure limiting valves (601) are arranged on the front pressure cavity (101) and the rear pressure cavity (102), a sealing cover (602) is fixedly arranged outside the pressure limiting valves (601), and a pressure relief pipe (603) is fixedly arranged in the sealing cover (602).
5. The hydraulic cylinder with the mechanical locking function according to claim 4, wherein a piston block (302) is fixedly installed below the hydraulic rod (301), the piston block (302) is slidably installed in the main cylinder body (100), a pressure limiting pipe (303) is installed on the piston block (302), and a pressure limiting plate (304) is arranged in the pressure limiting pipe (303).
6. The hydraulic cylinder with the mechanical locking function according to claim 5, wherein a connecting cylinder (701) is fixedly installed on the locking rod (401) and the hydraulic rod (301), a through hole is formed in the connecting cylinder (701), threaded holes are formed in the locking rod (401) and the hydraulic rod (301), and fastening bolts (702) are fixedly installed on the locking rod (401) and the hydraulic rod (301).
7. The hydraulic cylinder with the mechanical locking function according to claim 6, wherein a sealing sleeve (801) is fixedly arranged at one end of the hydraulic rod (301), sealing grease (802) is sleeved in the sealing sleeve (801), a buffer pad (803) is fixedly arranged at one end of the sealing sleeve (801), and a rubber pad (804) is arranged in the buffer pad (803).
8. The hydraulic cylinder with the mechanical locking function according to claim 7, wherein a slotted hole is formed in a side wall surface of the locking cylinder body (200), a through hole is formed in the locking block (402), and pins (901) are arranged on the locking block (402) and the locking cylinder body (200).
9. The hydraulic cylinder with a mechanical locking function according to claim 8, wherein a through hole is formed in the pin (901), a antiskid plate (902) is arranged at one end of the pin (901), a welding nut (903) is arranged on the antiskid plate (902), the welding nut (903) is in threaded connection with a locking bolt (904), and the locking bolt (904) penetrates through the pin (901).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311531940.9A CN117249145B (en) | 2023-11-17 | 2023-11-17 | Hydraulic cylinder with mechanical locking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311531940.9A CN117249145B (en) | 2023-11-17 | 2023-11-17 | Hydraulic cylinder with mechanical locking function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117249145A true CN117249145A (en) | 2023-12-19 |
| CN117249145B CN117249145B (en) | 2024-02-02 |
Family
ID=89137243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311531940.9A Active CN117249145B (en) | 2023-11-17 | 2023-11-17 | Hydraulic cylinder with mechanical locking function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117249145B (en) |
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| JPH08177809A (en) * | 1994-12-26 | 1996-07-12 | Nissan Altia Co Ltd | Locking structure for vertical movement body of hydraulic cylinder |
| CN2889980Y (en) * | 2004-12-08 | 2007-04-18 | 李一燮 | Braking device for cylinder piston rod |
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| CN110500335A (en) * | 2019-09-19 | 2019-11-26 | 泰安市力华液压设备有限公司 | A kind of mechanical interlocking hydraulic cylinder |
| CN209943248U (en) * | 2019-05-21 | 2020-01-14 | 常州轩豪机械有限公司 | Mechanical locking hydraulic oil cylinder |
| CN112628234A (en) * | 2020-12-30 | 2021-04-09 | 中国航发长春控制科技有限公司 | Multi-position mechanical locking hydraulic cylinder |
| CN215109818U (en) * | 2021-07-29 | 2021-12-10 | 盐城市振升液压机械有限公司 | Self-locking hydraulic oil cylinder |
| CN216691691U (en) * | 2022-01-19 | 2022-06-07 | 江门市智汇液压科技有限公司 | Combined hydraulic oil cylinder |
| CN115076183A (en) * | 2022-07-12 | 2022-09-20 | 江苏松诚实业发展有限公司 | Novel locking mechanism |
| CN218454857U (en) * | 2022-09-16 | 2023-02-07 | 无锡市裕神液压机械有限公司 | Hydraulic cylinder that falls is prevented to high accuracy |
| CN218717852U (en) * | 2022-10-21 | 2023-03-24 | 济南夫驰科技有限公司 | Oil cylinder with locking function |
| CN219262847U (en) * | 2023-02-22 | 2023-06-27 | 沈阳三合精密制造有限公司 | Hydraulic cylinder with protection architecture |
| CN219865706U (en) * | 2023-05-15 | 2023-10-20 | 常州市超顺高压油缸有限公司 | Upright post oil cylinder |
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2023
- 2023-11-17 CN CN202311531940.9A patent/CN117249145B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08177809A (en) * | 1994-12-26 | 1996-07-12 | Nissan Altia Co Ltd | Locking structure for vertical movement body of hydraulic cylinder |
| CN2889980Y (en) * | 2004-12-08 | 2007-04-18 | 李一燮 | Braking device for cylinder piston rod |
| CN102425586A (en) * | 2011-12-21 | 2012-04-25 | 徐州重型机械有限公司 | Hydraulic cylinder, hydraulic system and engineering machine |
| CN206268173U (en) * | 2016-11-16 | 2017-06-20 | 上海建工集团股份有限公司 | A kind of wedge structure hydraulic pressure support displacement control system |
| CN209943248U (en) * | 2019-05-21 | 2020-01-14 | 常州轩豪机械有限公司 | Mechanical locking hydraulic oil cylinder |
| CN110500335A (en) * | 2019-09-19 | 2019-11-26 | 泰安市力华液压设备有限公司 | A kind of mechanical interlocking hydraulic cylinder |
| CN112628234A (en) * | 2020-12-30 | 2021-04-09 | 中国航发长春控制科技有限公司 | Multi-position mechanical locking hydraulic cylinder |
| CN215109818U (en) * | 2021-07-29 | 2021-12-10 | 盐城市振升液压机械有限公司 | Self-locking hydraulic oil cylinder |
| CN216691691U (en) * | 2022-01-19 | 2022-06-07 | 江门市智汇液压科技有限公司 | Combined hydraulic oil cylinder |
| CN115076183A (en) * | 2022-07-12 | 2022-09-20 | 江苏松诚实业发展有限公司 | Novel locking mechanism |
| CN218454857U (en) * | 2022-09-16 | 2023-02-07 | 无锡市裕神液压机械有限公司 | Hydraulic cylinder that falls is prevented to high accuracy |
| CN218717852U (en) * | 2022-10-21 | 2023-03-24 | 济南夫驰科技有限公司 | Oil cylinder with locking function |
| CN219262847U (en) * | 2023-02-22 | 2023-06-27 | 沈阳三合精密制造有限公司 | Hydraulic cylinder with protection architecture |
| CN219865706U (en) * | 2023-05-15 | 2023-10-20 | 常州市超顺高压油缸有限公司 | Upright post oil cylinder |
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