CN220015677U - Clamping cylinder for hydraulic clamping device of ship receiving chamber - Google Patents
Clamping cylinder for hydraulic clamping device of ship receiving chamber Download PDFInfo
- Publication number
- CN220015677U CN220015677U CN202321211879.5U CN202321211879U CN220015677U CN 220015677 U CN220015677 U CN 220015677U CN 202321211879 U CN202321211879 U CN 202321211879U CN 220015677 U CN220015677 U CN 220015677U
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- oil
- clamping
- cylinder
- piston rod
- cavity
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract 1
- 230000005611 electricity Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Actuator (AREA)
- Clamps And Clips (AREA)
Abstract
A clamping cylinder for among ship reception compartment hydraulic clamping device belongs to water and electricity engineering metal construction technical field. The oil cylinder is arranged in a clamping guide body of a hydraulic clamping device for a ship lift ship reception chamber, and the clamping guide body and the fixed bracket are symmetrically arranged on the ship reception chamber through fixed bolts; the clamping oil cylinder comprises an oil cylinder and a fixed piston rod, the front end of the fixed piston rod is movably assembled in a cavity of a middle shaft of the clamping oil cylinder, the rear end of the fixed piston rod is connected with a fixed bracket through a bolt, and the fixed piston rod and the clamping oil cylinder form a first oil cavity and a second oil cavity; an oil inlet channel and an oil outlet channel are formed in the cylinder body of the fixed piston rod, and the oil inlet channel and the oil outlet channel are communicated with the first oil cavity and the second oil cavity. Compared with the traditional hydraulic device which uses a piston rod to realize the clamping function, the utility model reversely uses the oil cylinder to realize the clamping function, so that the bearing surface of the hydraulic device is wider, and the hydraulic device can be more effectively attached to a clamping rail. And the double oil cavities can provide larger pressure, so that the clamping state is more stable.
Description
Technical Field
The utility model belongs to the technical field of metal structures of hydropower engineering, and particularly relates to a clamping oil cylinder used in a hydraulic clamping device of a ship reception chamber.
Background
In the prior art, the ship lift needs to load the ship receiving box with water during operation, and the clamping device is used for ensuring that the ship receiving box does not move up and down or swing due to water surface fluctuation, so that the butt joint sealing effect and the passing of ships are affected. The existing clamping device is generally provided with an oil cylinder and a piston cylinder, and the clamping function is realized by fixing the oil cylinder and movably butting clamping rails on two sides of a ship receiving chamber through a piston rod. However, the contact area between the piston rod and the clamping rail is smaller, and the piston rod is arranged in the oil cylinder, so that if the contact area between the piston rod and the clamping rail needs to be increased, the whole set of oil cylinder is also increased at the same time, and the weight of the clamping device is increased and the consumable is increased.
Disclosure of Invention
In order to provide equipment capable of increasing the contact surface of the clamping device and the clamping rail without increasing the volume and consumable materials of the clamping device, the utility model provides a clamping oil cylinder used in a hydraulic clamping device of a ship receiving chamber.
The clamping oil cylinder is used in the hydraulic clamping device of the ship reception chamber and is arranged in a clamping guide body of the hydraulic clamping device of the ship reception chamber of the ship lift, and the clamping guide body and the fixing bracket are symmetrically arranged on the ship reception chamber through fixing bolts; the clamping oil cylinder is characterized by comprising an oil cylinder and a fixed piston rod, wherein the front end of the fixed piston rod is movably assembled in a cavity of a middle shaft of the clamping oil cylinder, the rear end of the fixed piston rod is connected with a fixed bracket through a bolt, and the fixed piston rod and the clamping oil cylinder form a first oil cavity and a second oil cavity; an oil inlet channel and an oil outlet channel are formed in the cylinder body of the fixed piston rod, and the oil inlet channel and the oil outlet channel are communicated with the first oil cavity and the second oil cavity.
The fixed piston rod comprises a piston rod, a guide sleeve, a bearing piston and a piston, the piston and the bearing piston are assembled at the front end of the piston rod in sequence through a screw and a shaft shoulder, the bearing piston and the piston are assembled in an oil cavity in a manner of being attached to the inner wall of a cavity of an oil cylinder, the guide sleeve is arranged in a contact area between the bearing piston and the oil cylinder, a first oil cavity is formed before the inner wall of the front end of the oil cylinder and the bearing piston, and a second oil cavity is formed among the inner side wall of the oil cylinder, the piston rod, the piston and the guide sealing sleeve.
The oil inlet channel and the oil outlet channel are respectively communicated with the pump station oil tank through an oil inlet pipe and an oil outlet pipe, and pressure gauges are respectively arranged on the oil inlet pipe and the oil outlet pipe.
The utility model has the beneficial effects that: the oil inlet channel and the oil outlet channel which are arranged in the piston rod form two oil cavities in the oil cylinder, and oil outlet or oil inlet can be synchronously carried out. Compared with the traditional hydraulic cylinder clamping device which can realize the hydraulic function through only one oil cavity, the double oil cavities can provide larger pressure, so that the clamping state is more stable.
Drawings
Fig. 1 is a first external structure diagram of embodiment 1.
Fig. 2 is a longitudinal sectional view of example 1.
Fig. 3 is a schematic view of the forward installation of embodiment 1.
Fig. 4 is a reverse installation schematic of embodiment 1.
Wherein, 1-clamping the guide body and the guide strip 13;
2-clamping cylinder, cylinder 21, guide screw 22;
3-a fixed piston rod, a piston rod 31, a guide sleeve 32, a bearing piston 33, a piston 34, a connecting pressing plate 35 and a connecting seat 36;
4-fixed bracket, 8 first oil pocket, 9-second oil pocket, 10-ship-receiving box, 101-clamping track.
Detailed Description
Example 1: the clamping oil cylinder is used in the hydraulic clamping device of the ship reception compartment and is arranged in the clamping guide body 1 of the hydraulic clamping device, and the clamping guide body 1 and the fixing bracket 4 of the hydraulic clamping device are symmetrically arranged on the ship reception compartment through fixing bolts; the clamping cylinder 2 comprises a cylinder 21 and a fixed piston rod 3, the front end of the fixed piston rod 3 is movably assembled in a cavity of a middle shaft of the clamping cylinder 21, and the rear end of the fixed piston rod is connected with the fixed bracket 4 through a bolt. The fixed piston rod 3 comprises a piston rod 31, a guide sleeve 32, a bearing piston 33 and a piston 34, wherein the front end of the piston rod 31 is sequentially provided with the piston 34 and the bearing piston 33 through screws and shaft shoulders, the bearing piston 33 and the piston 34 are attached to the inner wall of a cavity of the oil cylinder 21 and are assembled in the oil cavity 21, the guide sleeve 32 is arranged in the contact area between the bearing piston 33 and the piston 34 and the oil cylinder 21, a first oil cavity 8 is formed before the inner wall of the front end of the oil cylinder 21 and the bearing piston 33, and a second oil cavity is formed among the inner wall of the oil cylinder 21, the piston rod 31 and the piston 34.
An oil inlet channel and an oil outlet channel are formed in the cylinder of the piston rod 21, and the oil inlet channel and the oil outlet channel are communicated with the first oil cavity 8 and the second oil cavity 9. The oil outlet channel and the oil inlet channel are respectively communicated to a pump station oil tank outside the device through an oil inlet pipe and an oil outlet pipe, and pressure gauges are arranged on the oil inlet pipe and the oil outlet pipe to monitor pressure signals of the oil inlet pipe and the oil outlet pipe and transmit the pressure signals to a control system to display actual clamping force, so that overload or underload is avoided.
The outer wall of the middle outer cylinder of the oil cylinder 21 is provided with a guide screw 22, the guide screw 22 extends outwards to clamp the side wall of the guide body 1, a guide bar 13 is arranged outside the side wall of the guide body 1, a bar hole matched with the guide screw 22 is formed in the guide bar 13, the end extended by the guide screw 22 is fixedly arranged on the guide bar 13 in a sliding manner, and the guide screw 22 can linearly reciprocate together with the oil cylinder 21, so that the oil cylinder 21 is ensured not to rotate and overtravel deviation in the process.
Four clamping rails 101 are respectively arranged at the middle part and two sides of the ship receiving box 10, and four sets of clamping devices are respectively and positively and reversely symmetrically arranged at positions corresponding to the clamping rails 101 on the ship receiving box 10. When the pressure oil enters the first oil cavity 8 through the oil inlet channel, the clamping oil cylinder 2 stretches out to do linear motion, the non-pressure oil in the second oil cavity 9 is discharged through the oil outlet channel, and the clamping device approaches the clamping rail 101 to enter a clamping working state. When the pressure oil enters the second oil cavity 9 through the oil outlet channel, the clamping oil cylinder 2 performs linear retraction movement, the pressureless oil in the first oil cavity 8 is discharged through the oil inlet channel, the clamping device is far away from the clamping rail 101 and enters a loosening reset state, and only the clamping oil cylinder 2 performs linear reciprocating movement and the rest parts do not move in the clamping work and loosening reset stroke of the clamping device.
Claims (3)
1. The clamping oil cylinder is used in the hydraulic clamping device of the ship reception chamber and is arranged in a clamping guide body of the hydraulic clamping device of the ship reception chamber of the ship lift, and the clamping guide body and the fixing bracket are symmetrically arranged on the ship reception chamber through fixing bolts; the clamping oil cylinder is characterized by comprising an oil cylinder and a fixed piston rod, wherein the front end of the fixed piston rod is movably assembled in a cavity of a middle shaft of the clamping oil cylinder, the rear end of the fixed piston rod is connected with a fixed bracket through a bolt, and the fixed piston rod and the clamping oil cylinder form a first oil cavity and a second oil cavity; an oil inlet channel and an oil outlet channel are formed in the cylinder body of the fixed piston rod, and the oil inlet channel and the oil outlet channel are communicated with the first oil cavity and the second oil cavity.
2. The clamping cylinder for the hydraulic clamping device of the ship reception chamber according to claim 1, wherein the fixed piston rod comprises a piston rod, a guide sleeve, a bearing piston and a piston, the front end of the piston rod is sequentially provided with the piston and the bearing piston through a screw and a shaft shoulder, the bearing piston and the piston are assembled in the oil cavity by being attached to the inner wall of a cavity of the cylinder, the guide sleeve is arranged at the contact area of the bearing piston and the piston with the cylinder, a first oil cavity is formed between the inner wall of the front end of the cylinder and the bearing piston, and a second oil cavity is formed among the inner wall of the cylinder, the piston rod, the piston and the guide sleeve.
3. The clamping cylinder for use in a ship lock chamber hydraulic clamping device as claimed in claim 1, wherein the oil inlet passage and the oil outlet passage are respectively connected to the pump station oil tank through an oil inlet pipe and an oil outlet pipe, and a pressure gauge is respectively installed on the oil inlet pipe and the oil outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321211879.5U CN220015677U (en) | 2023-05-18 | 2023-05-18 | Clamping cylinder for hydraulic clamping device of ship receiving chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321211879.5U CN220015677U (en) | 2023-05-18 | 2023-05-18 | Clamping cylinder for hydraulic clamping device of ship receiving chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220015677U true CN220015677U (en) | 2023-11-14 |
Family
ID=88676518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321211879.5U Active CN220015677U (en) | 2023-05-18 | 2023-05-18 | Clamping cylinder for hydraulic clamping device of ship receiving chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220015677U (en) |
-
2023
- 2023-05-18 CN CN202321211879.5U patent/CN220015677U/en active Active
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