CN218454857U - Hydraulic cylinder that falls is prevented to high accuracy - Google Patents
Hydraulic cylinder that falls is prevented to high accuracy Download PDFInfo
- Publication number
- CN218454857U CN218454857U CN202222459708.6U CN202222459708U CN218454857U CN 218454857 U CN218454857 U CN 218454857U CN 202222459708 U CN202222459708 U CN 202222459708U CN 218454857 U CN218454857 U CN 218454857U
- Authority
- CN
- China
- Prior art keywords
- pawl
- fixedly connected
- guide block
- piston rod
- servo
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Actuator (AREA)
Abstract
The utility model relates to a hydraulic cylinder technical field discloses a hydraulic cylinder that falls is prevented to high accuracy, including the servo cylinder main part, be provided with the piston rod in the servo cylinder main part, the top fixedly connected with mounting panel of piston rod, bottom surface one side fixedly connected with lift post of mounting panel, the upper portion outer wall fixedly connected with guide block of servo cylinder main part, lift post sliding connection is in on the guide block, the tooth's socket has been seted up on the lift post, the inner chamber lateral wall fixedly connected with fixed axle of guide block, it has the torsional spring to embolia on the fixed axle, it is connected with the pawl to rotate on the fixed axle, the pawl can block into in the tooth's socket, the upper portion of pawl is provided with the electro-magnet, electro-magnet fixed connection is in the inner chamber upper portion of guide block, tooth's socket on this structure passes through pawl cooperation lift post to can lock the piston rod, thereby can prevent that the piston rod oil leak from falling, improve the security.
Description
Technical Field
The utility model belongs to the technical field of hydraulic cylinder, specifically be a hydraulic cylinder that high accuracy is prevented falling.
Background
The hydraulic cylinder is a hydraulic actuator which converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or swinging motion). The hydraulic cylinder is basically composed of a cylinder barrel and a cylinder cover, a piston and a piston rod, a sealing device, a buffering device and an exhaust device. The damping device and the exhaust device are determined according to specific application occasions, and other devices are necessary. In order to ensure the stretching precision of a hydraulic oil cylinder in the existing oil cylinder, a servo hydraulic oil cylinder is generally adopted, and the stretching amount of a hydraulic rod can be accurately controlled by utilizing a displacement sensor, a servo proportional valve and an integrated digital controller, so that high-precision stretching is realized.
When the existing jacking servo oil cylinder is in actual operation and oil leakage of an oil pipe or pipe explosion occurs, the piston rod is not provided with a limiting device, so that the piston rod of the jacking servo oil cylinder loses hydraulic oil pressure, top equipment falls, major safety accidents easily occur, and the hydraulic oil cylinder with the anti-falling high-precision function is provided for solving the problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the problems proposed above, a hydraulic cylinder capable of preventing falling with high precision is provided.
The utility model adopts the technical scheme as follows: the utility model provides a hydraulic cylinder that high accuracy was prevented falling, includes the servo cylinder main part, be provided with the piston rod in the servo cylinder main part, the top fixedly connected with mounting panel of piston rod.
Through the technical scheme: the servo oil cylinder body is matched with the piston rod to drive the mounting plate to move, so that hydraulic lifting operation is realized
In a preferred embodiment, a lifting column is fixedly connected to one side of the bottom surface of the mounting plate, a guide block is fixedly connected to the outer wall of the upper portion of the servo oil cylinder main body, the lifting column is connected to the guide block in a sliding mode, a tooth groove is formed in the lifting column, a fixing shaft is fixedly connected to the side wall of an inner cavity of the guide block, a torsion spring is sleeved on the fixing shaft, a pawl is rotatably connected to the fixing shaft and can be clamped into the tooth groove, an electromagnet is arranged on the upper portion of the pawl, and the electromagnet is fixedly connected to the upper portion of the inner cavity of the guide block.
Through the technical scheme: the torsional spring drives the pawl to rotate on the fixed shaft, thereby the pawl is automatically clamped into the tooth groove of the lifting column, the position of the lifting column is clamped, the piston rod is locked by the pawl, and further when hydraulic oil leakage occurs, the structure on the mounting plate can be ensured not to fall, thereby the lifting safety of the hydraulic cylinder is improved.
In a preferred embodiment, the servo cylinder body comprises a cylinder body with a displacement sensor, a servo proportional valve and an integrated digital controller.
Through the technical scheme: the structure can accurately control the extension amount of the hydraulic rod by utilizing the displacement sensor, the servo proportional valve and the integrated digital controller, thereby realizing high-precision extension and retraction.
In a preferred embodiment, the tooth grooves are continuously arranged on the lifting column from the upper direction.
Through the technical scheme: the continuous splines of this structure thus allow the piston rod to be locked at any height.
In a preferred embodiment, the pawl is made of iron.
Through the technical scheme: the pawl made of iron facilitates magnetic attraction of the electromagnet.
In a preferred embodiment, a lower baffle is arranged at the lower part of the pawl and is fixedly connected to the side wall of the inner cavity of the guide block.
Through the technical scheme: the maximum downward rotating position of the pawl can be limited by the lower baffle plate, and the pawl can be supported by the lower baffle plate, so that the pressure resistance of the pawl is improved.
In a preferred embodiment, the mounting plate is provided with a mounting hole.
Through the technical scheme: the mounting plate is convenient to be connected with the top lifting device by the mounting hole.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses in, this structure is gone into in the tooth's socket of lift post through the pawl card to stretch out the back that targets in place at the piston rod, can lock the position of piston rod, and then can lock the position of piston rod when oil pipe oil leak or booster, thereby prevent that it from falling and leading to the incident, whole hydraulic cylinder's security is better.
2. The utility model discloses in, this structure is provided with even tooth's socket through the lifting from the top down, consequently can realize carrying out the locking to the arbitrary high position of piston rod, and the commonality is good.
Drawings
FIG. 1 is a schematic diagram of the front view structure of the present invention;
FIG. 2 is a schematic diagram of a side view structure of the present invention;
fig. 3 is an enlarged view of a portion a of fig. 2 according to the present invention;
fig. 4 is a schematic sketch of the three-dimensional structure of the middle mounting plate of the present invention.
The mark in the figure is: 1-a servo oil cylinder main body, 3-a piston rod, 4-a mounting plate, 5-a lifting column, 6-a guide block, 7-a tooth groove, 8-a fixed shaft, 9-a torsion spring, 10-a pawl, 11-an electromagnet, 13-a lower baffle plate and 14-a mounting hole.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are 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 efforts belong to the protection scope of the present invention.
A high-precision anti-falling hydraulic oil cylinder according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 4.
Example (b):
the embodiment of the utility model provides a pair of hydraulic cylinder that falls is prevented to high accuracy, refer to fig. 1 and show, including servo cylinder main part 1, be provided with piston rod 3 in the servo cylinder main part 1, the top fixedly connected with mounting panel 4 of piston rod 3, servo cylinder main part 1 cooperation piston rod drives mounting panel 4 and removes to realize the operation that hydraulic pressure goes up and down.
Referring to fig. 1 and 2, the servo cylinder body 1 includes a cylinder body with a displacement sensor, a servo proportional valve and an integrated digital controller, and the cylinder body with the displacement sensor, the servo proportional valve and the integrated digital controller can accurately control the extension amount of the piston rod 3, thereby achieving high-precision extension and retraction.
It should be noted that: the type of the displacement sensor in the cylinder body with the displacement sensor is MTL3, the type of the servo proportional valve is DLHZO, the type of the integrated digital controller is Z-RI-TEZ, the principles are disclosed in the prior art, and application documents can be directly put into use.
Referring to fig. 1, 2 and 3, a lifting column 5 is fixedly connected to one side of the bottom surface of a mounting plate 4, a guide block 6 is fixedly connected to the outer wall of the upper portion of a main body 1 of a servo oil cylinder, the lifting column 5 is slidably connected to the guide block 6, a tooth space 7 is formed in the lifting column 5, a fixing shaft 8 is fixedly connected to the side wall of an inner cavity of the guide block 6, a torsion spring 9 is sleeved on the fixing shaft 8, a pawl 10 is rotatably connected to the fixing shaft 8 and can be clamped into the tooth space 7, an electromagnet 11 is arranged on the upper portion of the pawl 10 and fixedly connected to the upper portion of the inner cavity of the guide block 6, the torsion spring 9 drives the pawl 10 to rotate on the fixing shaft 8, so that the pawl 10 is automatically clamped into the tooth space 7 of the lifting column 5, so as to clamp the position of the lifting column 5 and enter the position for locking a piston rod 3, and further, when hydraulic oil leaks, it can be ensured that the structure on the mounting plate 4 does not fall, so as to improve the lifting safety of a hydraulic cylinder, and when the hydraulic cylinder needs to fall, only the hydraulic oil needs to fall, the electromagnet 11 is started, so that the pawl 10 overcomes the elasticity of the pawl 10, so that the piston rod 3 can fall.
Referring to fig. 2 and 3, the splines 7 are continuously formed on the elevating column 5 from the upper side, and the structure of the splines 7 is continuous so that the piston rod can be locked at any height.
Referring to fig. 3, the pawl 10 is made of iron, and the iron pawl facilitates magnetic attraction of the electromagnet 11.
Referring to fig. 3, a lower baffle 13 is arranged at the lower part of the pawl 10, the lower baffle 13 is fixedly connected to the side wall of the inner cavity of the guide block 6, the maximum downward rotation position of the pawl 10 can be limited by the lower baffle 13, and meanwhile, the lower baffle can support the pawl 10, so that the pressure resistance of the pawl 10 is improved.
Referring to fig. 4, the mounting plate 4 is provided with mounting holes 14, and the mounting plate 4 is conveniently connected with the top lifting device by using the mounting holes 14
The implementation principle of the hydraulic oil cylinder with high-precision falling prevention provided by the embodiment of the application is as follows: during the use, servo cylinder main part 1 passes through displacement sensor, the servo proportional valve, the accurate piston rod 3 that drives of integrated digital controller cooperation shifts up, thereby drive the equipment on the mounting panel 4 and shift up, when the jacking to the required position, only need to give the electro-magnet 11 outage this moment, then electro-magnet 11 loses magnetic force, torsional spring 9 drives pawl 10 and rotates on fixed axle 8 this moment, thereby make pawl 10 automatic card go into in the tooth's socket 7 of lift post 5, thereby block the position of lift post 5, get into the position of pinning piston rod 3, and then when hydraulic oil reveals, also can guarantee that the structure can not fall on the mounting panel 4, thereby improve the security that the pneumatic cylinder goes up and down, and when needs descend, only need start electro-magnet 11, utilize the magnetism of electro-magnet 11 to inhale, thereby make pawl 10 overcome the elasticity of torsional spring 9, thereby make pawl 10 tooth's socket break away from, and then piston rod 3 alright decline.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (6)
1. The utility model provides a hydraulic cylinder that high accuracy was prevented falling, includes servo cylinder main part (1), its characterized in that: a piston rod (3) is arranged in the servo oil cylinder main body (1), and the top of the piston rod (3) is fixedly connected with a mounting plate (4);
bottom surface one side fixedly connected with lift post (5) of mounting panel (4), the upper portion outer wall fixedly connected with guide block (6) of servo cylinder main part (1), lift post (5) sliding connection be in on guide block (6), tooth's socket (7) have been seted up on lift post (5), the inner chamber lateral wall fixedly connected with fixed axle (8) of guide block (6), it has torsional spring (9) to embolia on fixed axle (8), it is connected with pawl (10) to rotate on fixed axle (8), pawl (10) can block into in tooth's socket (7), the upper portion of pawl (10) is provided with electro-magnet (11), electro-magnet (11) fixed connection be in the inner chamber upper portion of guide block (6).
2. A high precision fall arrest hydraulic ram as claimed in claim 1, wherein: the servo oil cylinder main body (1) comprises a cylinder body with a displacement sensor, a servo proportional valve and an integrated digital controller.
3. A high precision fall arrest hydraulic ram as claimed in claim 1, wherein: the tooth grooves (7) are continuously arranged on the lifting columns (5) in an upward guiding mode.
4. A high precision fall arrest hydraulic ram as claimed in claim 1, wherein: the pawl (10) is made of iron.
5. A high precision fall arrest hydraulic ram as claimed in claim 1, wherein: a lower baffle (13) is arranged at the lower part of the pawl (10), and the lower baffle (13) is fixedly connected to the side wall of the inner cavity of the guide block (6).
6. A high precision fall arrest hydraulic ram as claimed in claim 1, wherein: the mounting plate (4) is provided with a mounting hole (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222459708.6U CN218454857U (en) | 2022-09-16 | 2022-09-16 | Hydraulic cylinder that falls is prevented to high accuracy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222459708.6U CN218454857U (en) | 2022-09-16 | 2022-09-16 | Hydraulic cylinder that falls is prevented to high accuracy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218454857U true CN218454857U (en) | 2023-02-07 |
Family
ID=85125784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222459708.6U Active CN218454857U (en) | 2022-09-16 | 2022-09-16 | Hydraulic cylinder that falls is prevented to high accuracy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218454857U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2022
- 2022-09-16 CN CN202222459708.6U patent/CN218454857U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN218454857U (en) | Hydraulic cylinder that falls is prevented to high accuracy | |
| JP4010525B2 (en) | Spindle balancer for machine tools | |
| CN103852212B (en) | Rolling oil sac sealed cylinder Hydraulic Standard Force Meter | |
| CN109869368A (en) | A kind of oil cylinder that any resting position can be achieved and feeds back outer load force | |
| CN208472612U (en) | A kind of shallow embedding formula road block device hoisting mechanism | |
| CN206545576U (en) | A kind of adjustable piston type unloading valve of spring force | |
| CN210978328U (en) | Hydraulic buffer with adjustable damping | |
| CN105545883B (en) | The electro-hydraulic differential cylinder assembly of pump control | |
| CN106966317A (en) | Unloaded quick lifting Horizontal hydraulic jack | |
| CN207935184U (en) | A kind of gas-liquid is compound from pressurized fuel tank | |
| CN105417429A (en) | Counter weight lifting device and crane with same | |
| CN216361084U (en) | Parallel corner cylinder | |
| CN109440739A (en) | A kind of headstock gear of sluice gate | |
| CN102052357A (en) | Jack hydraulic part with function of automatically regulating descending speed | |
| CN107255134A (en) | Viscoelastic medium buffer | |
| CN214087510U (en) | A safe lift for housing construction | |
| CN209261944U (en) | A kind of three cylinder synchronization lifting mechanisms | |
| CN110303076B (en) | Manual hydraulic bending device | |
| CN206985594U (en) | Unloaded quick lifting Horizontal hydraulic jack | |
| WO2021115025A1 (en) | Suspended unit hydraulic apparatus for mining | |
| CN215257562U (en) | Gas-liquid buffer device of roller cage shoe | |
| CN206924090U (en) | Foot controller pedal structure | |
| CN205895738U (en) | Microminiature 2D electromagnetic switch valve that hydraulic pressure resets | |
| CN206266157U (en) | A kind of pressing machine hydraulic jack | |
| CN204549929U (en) | A kind of Emergency Assistance save space hydraulic disengaging instrument |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |