CN209943248U - Mechanical locking hydraulic oil cylinder - Google Patents
Mechanical locking hydraulic oil cylinder Download PDFInfo
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- CN209943248U CN209943248U CN201920730012.8U CN201920730012U CN209943248U CN 209943248 U CN209943248 U CN 209943248U CN 201920730012 U CN201920730012 U CN 201920730012U CN 209943248 U CN209943248 U CN 209943248U
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Abstract
The utility model discloses a mechanical locking hydraulic cylinder, including cylinder, front end housing, rear end housing, piston and piston rod, front end housing and rear end housing all with the sealed fixed connection of cylinder, the piston sets up inside the cylinder, piston rod one end runs through front end housing and piston welded fastening, piston rod other end welded fastening has the piece that links up, the oil hole that gos forward has been seted up to cylinder bottom one side, the oil hole that resets has been seted up to cylinder top one side, the through-hole has been seted up to the oil hole bottom that resets, the inside runner of having seted up of cylinder lateral wall. The utility model discloses an advancing the oilhole and letting in hydraulic oil, hydraulic oil promotes the piston and drives the piston rod up-wards movement, and the piston rod up-wards movement drives linking piece up-wards movement, and linking piece up-wards movement drives the lifter up-wards movement through the connecting piece, and the lifter up-wards movement drives the fixture block up-wards movement, in the fixture block motion process, when contacting latch point portion, can make the compression of second spring.
Description
Technical Field
The utility model relates to a hydro-cylinder production technical equipment field, in particular to mechanical locking hydraulic cylinder.
Background
Along with the rapid development of economic construction in China, the application of a hydraulic system in the field of engineering machinery is increasing day by day, the hydraulic system takes hydraulic oil as a working medium, a whole set of devices for operating a hydraulic actuating mechanism to work by utilizing the pressure energy of the hydraulic oil and a hydraulic control element and the like, a hydraulic oil cylinder in the hydraulic system is a hydraulic actuating element for converting the hydraulic energy into mechanical energy and performing linear reciprocating motion or swinging motion, and when the hydraulic actuating element is used for realizing the reciprocating motion, no transmission gap exists and the motion is stable, so the hydraulic system is widely applied to various mechanical hydraulic systems.
Therefore, it is necessary to develop a mechanical locking hydraulic cylinder to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a mechanical locking hydraulic cylinder through simple structural design to can cause staff's injured problem when solving the hydro-cylinder that proposes in the above-mentioned background art and inefficacy.
In order to achieve the above object, the utility model provides a following technical scheme: a mechanical locking hydraulic oil cylinder comprises a cylinder barrel, a front end cover, a rear end cover, a piston and a piston rod, wherein the front end cover and the rear end cover are fixedly connected with the cylinder barrel in a sealing manner, the piston is arranged inside the cylinder barrel, one end of the piston rod penetrates through the front end cover and is fixedly welded with the piston, the other end of the piston rod is fixedly welded with a connecting block, one side of the bottom end of the cylinder barrel is provided with an oil advancing hole, one side of the top end of the cylinder barrel is provided with a resetting oil hole, the bottom end of the resetting oil hole is provided with a through hole, a flow passage is arranged inside the side wall of the cylinder barrel and is communicated with the through hole, the surface of one side of the cylinder barrel is provided with a plurality of clamping teeth, one side of the cylinder barrel is fixedly welded with a support frame, one side of the support frame, a cavity is arranged in the lifting rod, an adjusting device is arranged in the cavity and comprises a shell, the shell is welded and fixed with the inner wall of the cavity, an adjusting block is arranged in the shell, a pull rod is welded and fixed on one side of the adjusting block, one end of the pull rod penetrates through the side wall of the shell, a first spring is sleeved on the surface of the pull rod, a clamping block is hinged to one side of the adjusting block, a second spring is fixedly arranged between the clamping block and the adjusting block, a fixed pulley is arranged at one side of the adjusting device, the bottom end of the fixed pulley is provided with a hydraulic cylinder body which is welded and fixed with the side wall of the cavity, a third spring is fixedly arranged at the bottom end in the hydraulic cylinder body, the top end of the third spring is fixedly connected with a movable block, the movable block top fixedly connected with movable rod, the hydraulic cylinder body fixedly connected with rope is run through to the movable rod top.
Preferably, one side of the top end of the hydraulic cylinder body is provided with an oil inlet used for being communicated with an oil inlet pipe, the oil inlet is arranged on the upper side of the movable block, the oil inlet pipe penetrates through the cavity and is communicated with a telescopic hose, and the telescopic hose is communicated with the flow channel.
Preferably, the latch and the oil cylinder are integrally formed.
Preferably, the top end of the clamping block is provided with a limiting block, and the limiting block and the adjusting block are integrally formed.
Preferably, the rope is fixedly connected with one end of the pull rod by bypassing the fixed pulley.
Preferably, the clamping block is matched with the clamping tooth.
The utility model discloses a technological effect and advantage:
1. the utility model feeds hydraulic oil through the oil feeding hole, the hydraulic oil pushes the piston and drives the piston rod to move upwards, the piston rod moves upwards to drive the connecting block to move upwards, the connecting block moves upwards to drive the lifting rod to move upwards through the connecting piece, the lifting rod moves upwards to drive the clamping block to move upwards, the clamping block can compress the second spring when contacting the tip of the clamping tooth during the movement process of the clamping block, when the clamping block leaves from the tip of the clamping tooth, the second spring recovers deformation to drive the clamping block to reset, so as to ensure that the end part of the clamping block is always positioned at the concave position of the clamping tooth, when the oil cylinder bearing the heavy object fails, the heavy object presses the piston rod to move downwards, the piston rod moves downwards and drives the lifting rod to move downwards through the connecting piece, therefore, the clamping block can be clamped at the concave position of the clamping tooth, the damage to workers caused by falling back of a heavy object is avoided, and meanwhile, the damage to the heavy object and the economic loss are also avoided;
2. the utility model discloses a be provided with adjusting device, after the heavy object has been unloaded, when the hydro-cylinder need resume the normal position, through-hole and runner let in hydraulic oil earlier, hydraulic oil lets in hydraulic cylinder body and promotes the movable block downstream through advancing oil pipe and oil inlet, the movable block downstream drives the movable rod downstream, movable rod pulling rope one end downstream, the direction of fixed pulley change force, turn right side pulling pull rod, pull rod pulling regulating block is turned right side motion, thereby it keeps away from the latch to drive the fixture block, at this moment, through the oilhole that resets and let in hydraulic oil, alright make the hydro-cylinder reset, this device simple structure, high durability and convenient use, high safety performance.
Drawings
Fig. 1 is a schematic view of the overall front view section of the present invention.
Fig. 2 is an enlarged view of a portion a in fig. 1 according to the present invention.
Fig. 3 is an enlarged view of a portion B in fig. 1 according to the present invention.
In the figure: the device comprises a cylinder barrel 1, a front end cover 2, a rear end cover 3, a piston 4, a piston rod 5, a connecting block 6, an oil advancing hole 7, an oil returning hole 8, a through hole 9, a flow channel 10, a latch 11, a supporting frame 12, a guide groove 13, a connecting piece 14, a lifting rod 15, a cavity 16, a shell 17, an adjusting block 18, a pull rod 19, a first spring 20, a clamping block 21, a second spring 22, a fixed pulley 23, a hydraulic cylinder body 24, a third spring 25, a movable block 26, a movable rod 27, a rope 28, an oil inlet pipe 29, an oil inlet 30, a telescopic hose 31 and a limiting block 32.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a mechanical locking hydraulic cylinder as shown in figures 1-3, which comprises a cylinder barrel 1, a front end cover 2, a rear end cover 3, a piston 4 and a piston rod 5, wherein the front end cover 2 and the rear end cover 3 are fixedly connected with the cylinder barrel 1 in a sealing way, the piston 4 is arranged inside the cylinder barrel 1, one end of the piston rod 5 penetrates through the front end cover 2 and is fixedly welded with the piston 4, the other end of the piston rod 5 is fixedly welded with a connecting block 6, one side of the bottom end of the cylinder barrel 1 is provided with an advancing oil hole 7, one side of the top end of the cylinder barrel 1 is provided with a resetting oil hole 8, the bottom end of the resetting oil hole 8 is provided with a through hole 9, the inside of the side wall of the cylinder barrel 1 is provided with a flow channel 10, the flow channel 10 is communicated with the through hole 9, the surface of one side of the cylinder, a connecting piece 14 is fixedly welded on one side of the joining block 6, a lifting rod 15 is fixedly welded on the bottom end of the connecting piece 14, one side of the lifting rod 15 is connected with the guide groove 13 in a sliding manner, a cavity 16 is formed in the lifting rod 15, an adjusting device is arranged in the cavity 16 and comprises a shell 17, the shell 17 is fixedly welded on the inner wall of the cavity 16, an adjusting block 18 is arranged in the shell 17, a pull rod 19 is fixedly welded on one side of the adjusting block 18, one end of the pull rod 19 penetrates through the side wall of the shell 17, a first spring 20 is sleeved on the surface of the pull rod 19, the first spring 20 is convenient for resetting of the adjusting block 18, a clamping block 21 is hinged on one side of the adjusting block 18, a second spring 22 is fixedly arranged between the clamping block 21 and the adjusting block 18, a fixed pulley 23 is arranged on one side of the adjusting device, and a hydraulic cylinder, hydraulic cylinder body 24 and 16 lateral walls welded fastening of cavity, the inside bottom mounting of hydraulic cylinder body 24 has placed third spring 25, and the setting of third spring 25 is convenient for the reset of movable block 26, and third spring 25 top fixedly connected with movable block 26, 26 top fixedly connected with movable rod 27 of movable block, 24 fixedly connected with ropes 28 of hydraulic cylinder body are run through on the 15 tops of lifter.
Further, in the above technical solution, an oil inlet 30 for communicating with an oil inlet pipe 29 is formed at one side of the top end of the hydraulic cylinder 24, the oil inlet 30 is arranged at the upper side of the movable block 26, the oil inlet pipe 29 is communicated with a flexible hose 31 through the cavity 16, the flexible hose 31 is communicated with the flow channel 10, and the flexible hose 31 is arranged to facilitate the up-and-down movement of the lifting rod 15;
furthermore, in the technical scheme, the latch 11 and the oil cylinder are integrally formed, so that the manufacturing is convenient, and the connection performance is good;
further, in the above technical solution, a limit block 32 is disposed at the top end of the fixture block 21, the limit block 32 and the adjusting block 18 are integrally formed, the limit block 32 defines a rotation range for the fixture block 21, and simultaneously, when the oil cylinder fails, a supporting force can be provided for the fixture block 21;
further, in the above technical solution, the rope 28 is wound around the fixed pulley 23 and is fixedly connected with one end of the pull rod 19;
further, in the above technical solution, the latch 21 is adapted to the latch 11.
This practical theory of operation:
referring to the attached drawings 1-2 of the specification, when the utility model is used, hydraulic oil is introduced through the front oil inlet 7, the hydraulic oil pushes the piston 4 and drives the piston rod 5 to move upwards, the piston rod 5 moves upwards to drive the connecting block 6 to move upwards, the connecting block 6 moves upwards to drive the lifting rod 15 to move upwards through the connecting piece 14, the lifting rod 15 moves upwards to drive the fixture block 21 to move upwards, the fixture block 21 contacts with the tip of the latch 11 in the movement process, the second spring 22 can be compressed, when the fixture block 21 leaves from the tip of the latch 11, the second spring 22 recovers deformation to drive the fixture block 21 to reset, the end part of the fixture block 21 is always in the concave position of the latch 11, when the oil cylinder bearing heavy objects fails, the heavy objects press the piston rod 5 to move downwards, the piston rod 5 moves downwards to drive the lifting rod 15 to move downwards through the connecting piece 14, so that the fixture block 21 is clamped in the concave position of the latch 11, the damage to workers caused by falling of the heavy objects is avoided, and meanwhile, the damage to the heavy objects and the economic loss are also avoided;
referring to the attached drawings 1-3 of the specification, when the heavy object is unloaded and the oil cylinder needs to be restored, firstly, hydraulic oil is introduced through the through hole 9 and the flow channel 10, the hydraulic oil is introduced into the hydraulic cylinder body 24 through the oil inlet pipe 29 and the oil inlet 30 and pushes the movable block 26 to move downwards, the movable block 26 moves downwards to drive the movable rod 27 to move downwards, the movable rod 27 pulls one end of the rope 28 to move downwards, the direction of the force is changed through the fixed pulley 23, the pull rod 19 is pulled towards the right side, the adjusting block 18 is pulled towards the right side by the pull rod 19 to drive the clamping block 21 to be away from the clamping teeth 11, and at the moment, the hydraulic oil is introduced through the resetting.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. The utility model provides a mechanical locking hydraulic cylinder, includes cylinder (1), front end housing (2), rear end cap (3), piston (4) and piston rod (5), its characterized in that: the front end cover (2) and the rear end cover (3) are fixedly connected with the cylinder barrel (1) in a sealing mode, the piston (4) is arranged inside the cylinder barrel (1), one end of the piston rod (5) penetrates through the front end cover (2) and is fixedly welded with the piston (4), the other end of the piston rod (5) is fixedly welded with a connecting block (6), an advancing oil hole (7) is formed in one side of the bottom end of the cylinder barrel (1), a resetting oil hole (8) is formed in one side of the top end of the cylinder barrel (1), a through hole (9) is formed in the bottom end of the resetting oil hole (8), a flow channel (10) is formed inside the side wall of the cylinder barrel (1), the flow channel (10) is communicated with the through hole (9), a plurality of clamping teeth (11) are arranged on the surface of one side of the cylinder barrel (1), a support frame (12) is fixedly welded with, the connecting piece (14) is welded and fixed on one side of the connecting block (6), a lifting rod (15) is welded and fixed on the bottom end of the connecting piece (14), one side of the lifting rod (15) is connected with the guide groove (13) in a sliding manner, a cavity (16) is formed in the lifting rod (15), an adjusting device is arranged in the cavity (16), the adjusting device comprises a shell (17), the shell (17) is welded and fixed with the inner wall of the cavity (16), an adjusting block (18) is arranged in the shell (17), a pull rod (19) is welded and fixed on one side of the adjusting block (18), one end of the pull rod (19) penetrates through the side wall of the shell (17), a first spring (20) is sleeved on the surface of the pull rod (19), a clamping block (21) is hinged on one side of the adjusting block (18), and a second spring (22) is fixedly arranged between the clamping block (21) and the adjusting, adjusting device one side is provided with fixed pulley (23), fixed pulley (23) bottom is provided with hydraulic cylinder body (24), hydraulic cylinder body (24) and cavity (16) lateral wall welded fastening, the third spring (25) have been placed to the inside bottom mounting of hydraulic cylinder body (24), third spring (25) top fixedly connected with movable block (26), movable block (26) top fixedly connected with movable rod (27), hydraulic cylinder body (24) fixedly connected with rope (28) is run through on movable rod (27) top.
2. The mechanical locking hydraulic ram of claim 1, wherein: an oil inlet (30) used for being communicated with an oil inlet pipe (29) is formed in one side of the top end of the hydraulic cylinder body (24), the oil inlet (30) is formed in the upper side of the movable block (26), the oil inlet pipe (29) penetrates through the cavity (16) and is communicated with a telescopic hose (31), and the telescopic hose (31) is communicated with the flow channel (10).
3. The mechanical locking hydraulic ram of claim 1, wherein: the latch (11) and the oil cylinder are integrally formed.
4. The mechanical locking hydraulic ram of claim 1, wherein: the top end of the clamping block (21) is provided with a limiting block (32), and the limiting block (32) and the adjusting block (18) are integrally formed.
5. The mechanical locking hydraulic ram of claim 1, wherein: the rope (28) is wound around the fixed pulley (23) and is fixedly connected with one end of the pull rod (19).
6. The mechanical locking hydraulic ram of claim 1, wherein: the clamping block (21) is matched with the clamping tooth (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920730012.8U CN209943248U (en) | 2019-05-21 | 2019-05-21 | Mechanical locking hydraulic oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920730012.8U CN209943248U (en) | 2019-05-21 | 2019-05-21 | Mechanical locking hydraulic oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209943248U true CN209943248U (en) | 2020-01-14 |
Family
ID=69133458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920730012.8U Expired - Fee Related CN209943248U (en) | 2019-05-21 | 2019-05-21 | Mechanical locking hydraulic oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209943248U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112610562A (en) * | 2020-12-30 | 2021-04-06 | 三一海洋重工有限公司 | Oil cylinder locking device and oil cylinder |
| CN112943744A (en) * | 2021-02-01 | 2021-06-11 | 许志业 | Novel sealing device for hydraulic cylinder |
| CN115143022A (en) * | 2022-06-07 | 2022-10-04 | 苏州恩德弗智能科技有限公司 | Rotary oil hydraulic cylinder |
| CN116538171A (en) * | 2023-07-03 | 2023-08-04 | 南安市泉信液压机械有限公司 | Hydraulic cylinder locking mechanism |
| CN117249145A (en) * | 2023-11-17 | 2023-12-19 | 常州市振跃液压机械有限公司 | Hydraulic cylinder with mechanical locking function |
-
2019
- 2019-05-21 CN CN201920730012.8U patent/CN209943248U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112610562A (en) * | 2020-12-30 | 2021-04-06 | 三一海洋重工有限公司 | Oil cylinder locking device and oil cylinder |
| CN112610562B (en) * | 2020-12-30 | 2023-02-24 | 三一海洋重工有限公司 | Oil cylinder locking device and oil cylinder |
| CN112943744A (en) * | 2021-02-01 | 2021-06-11 | 许志业 | Novel sealing device for hydraulic cylinder |
| CN115143022A (en) * | 2022-06-07 | 2022-10-04 | 苏州恩德弗智能科技有限公司 | Rotary oil hydraulic cylinder |
| CN115143022B (en) * | 2022-06-07 | 2023-11-24 | 湘潭市湘江液压件制造有限公司 | Rotary oil hydraulic cylinder |
| CN116538171A (en) * | 2023-07-03 | 2023-08-04 | 南安市泉信液压机械有限公司 | Hydraulic cylinder locking mechanism |
| CN116538171B (en) * | 2023-07-03 | 2023-09-15 | 南安市泉信液压机械有限公司 | Hydraulic cylinder locking mechanism |
| CN117249145A (en) * | 2023-11-17 | 2023-12-19 | 常州市振跃液压机械有限公司 | Hydraulic cylinder with mechanical locking function |
| CN117249145B (en) * | 2023-11-17 | 2024-02-02 | 常州市振跃液压机械有限公司 | Hydraulic cylinder with mechanical locking function |
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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 |
Granted publication date: 20200114 |
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| CF01 | Termination of patent right due to non-payment of annual fee |