CN210106287U - Hydraulic and manual double-driving cylinder - Google Patents
Hydraulic and manual double-driving cylinder Download PDFInfo
- Publication number
- CN210106287U CN210106287U CN201920548695.5U CN201920548695U CN210106287U CN 210106287 U CN210106287 U CN 210106287U CN 201920548695 U CN201920548695 U CN 201920548695U CN 210106287 U CN210106287 U CN 210106287U
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- piston rod
- hydraulic
- rod
- operating rod
- cylinder
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Abstract
The utility model discloses a hydraulic and manual double-driving cylinder, which relates to a hydraulic cylinder, comprising a hydraulic cylinder, wherein the hydraulic cylinder comprises a piston rod, and a front guide sleeve, a cylinder body and a rear guide sleeve are arranged on the piston rod; the cylinder body is provided with a front gland and a rear gland; the cylinder body is provided with a left oil port and a right oil port; the manual operation mechanism comprises an operating rod, the operating rod penetrates through the piston rod and is positioned in the piston rod, and the operating rod is positioned on the right side of the hydraulic cylinder; a driving nut is arranged between the piston rod and the operating rod, the outer wall of the driving nut is matched with the inner wall of the piston rod, and the driving nut is arranged at the left part of the operating rod; and the stop valve controls the conduction of the left oil port and the right oil port. The utility model discloses a hydraulic pressure and two kinds of manual operation, simple structure. The utility model discloses can also pass through the locking of manual operation mechanism in the optional position with the piston rod.
Description
Technical Field
The utility model relates to a pneumatic cylinder, specific hydraulic pressure, manual two actuating cylinders that says so.
Background
At present, the cylinders mainly comprise hydraulic cylinders and electric cylinders which can not be powered on or powered by other power sources. However, special requirements are met in many cases, and work is also needed in the situations of power failure or power source failure, such as: the lifting of heavy machinery, the opening and closing of important cabin doors of ships and boats, and the like, and the self-locking of the ships and boats is required to be realized when the ships leave an electric power source or other power sources.
Therefore, it is necessary to develop a hydraulic and manual double-driving cylinder.
Disclosure of Invention
The first purpose of the utility model is to overcome the shortcomings of the background art and provide a hydraulic and manual double-driving cylinder.
In order to realize the purpose, the technical scheme of the utility model is that: the hydraulic and manual double-driving cylinder comprises a hydraulic cylinder, wherein the hydraulic cylinder comprises a piston rod, and a front guide sleeve, a cylinder body and a rear guide sleeve are sequentially sleeved on the piston rod from left to right; the left end of the cylinder body is provided with a front gland which is connected with the cylinder body and sleeved on the front guide sleeve, and the right end of the cylinder body is provided with a rear gland which is connected with the cylinder body and sleeved on the rear guide sleeve; the cylinder body is provided with a left oil port and a right oil port; the method is characterized in that:
the left part of the operating rod penetrates through the piston rod and is positioned in the piston rod, and the right part of the operating rod is positioned on the right side of the hydraulic cylinder;
a driving nut is arranged between the piston rod and the left part of the operating rod, the outer wall of the driving nut is matched with the inner wall of the piston rod, and the driving nut is slidably arranged at the left part of the operating rod;
and the stop valve controls the conduction of the left oil port and the right oil port.
The inner wall of the piston rod is provided with threads, and the outer wall of the driving nut is provided with threads matched with the inner wall of the piston rod; the left part of the operating rod is a hexagonal rod, and the inner wall of the driving nut is of a hexagonal structure matched with the hexagonal rod; the radius of the hexagonal rod is smaller than that of the middle part of the operating rod.
And a locking nut is arranged at the left end of the operating rod.
And the locking nut is provided with a bolt.
The utility model discloses a hydraulic pressure and two kinds of manual operation, simple structure. The utility model discloses can also pass through the locking of manual operation mechanism in the optional position with the piston rod.
Drawings
Fig. 1 is a schematic structural diagram 1 of the present invention.
Fig. 2 is a schematic structural diagram 2 of the present invention.
Fig. 3 is the structure diagram of the present invention when locking the piston rod.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings, which are not intended to limit the present invention, but are merely exemplary. While the advantages of the invention will be apparent and readily appreciated by the description.
With reference to the accompanying drawings: the hydraulic and manual double-driving cylinder comprises a hydraulic cylinder 1, wherein the hydraulic cylinder 1 comprises a piston rod 11, and a front guide sleeve 12, a cylinder body 13 and a rear guide sleeve 14 are sequentially sleeved on the piston rod 11 from left to right; the left end of the cylinder body 13 is provided with a front gland 121 which is connected with the cylinder body 13 and sleeved on the front guide sleeve 12, and the right end of the cylinder body 13 is provided with a rear gland 141 which is connected with the cylinder body 13 and sleeved on the rear guide sleeve 14; the cylinder body 13 is provided with a left oil port 131 and a right oil port 132;
the manual operating mechanism 2 comprises an operating rod 21, the left part of the operating rod 21 penetrates through the piston rod 11 and is positioned in the piston rod 11, and the right part of the operating rod 21 is positioned on the right side of the hydraulic cylinder 1;
a driving nut 4 is arranged between the piston rod 11 and the left part of the operating rod 21, the outer wall of the driving nut 4 is matched with the inner wall of the piston rod 11, and the driving nut 4 is slidably arranged at the left part of the operating rod 21; the length of the left hexagonal rod 211 of the control lever 21 meets the condition that the sliding stroke of the driving nut 4 is slightly larger than the working stroke of the hydraulic cylinder 1;
the stop valve 3 controls the conduction of the left oil port 131 and the right oil port 132.
The inner wall of the piston rod 11 is provided with threads (generally Tr-shaped or rectangular threads), and the outer wall of the drive nut 4 is provided with threads matched with the inner wall of the piston rod 11; the left part of the operating rod 21 is a hexagonal rod 211, and the inner wall of the driving nut 4 is in a hexagonal structure matched with the hexagonal rod; the radius of the hexagonal rod 211 is smaller than that of the middle part of the operating rod 21; when the driving nut 4 is contacted with the middle part of the operating rod 21, the piston rod 11 can be locked at any position in the driving direction for a long time without retreating (as shown in figure 3, the current position is locked without moving to the right), and the hydraulic driving can be manually operated and locked due to the leakage problem of the hydraulic pressure, so that the long-term locking function is met.
The left end of the operating rod 21 is provided with a lock nut 212, which prevents the driving nut 4 from being separated from the hexagonal rod 211 at the left part of the operating rod 21.
The lock nut 212 is provided with a latch 2121, and the latch 212 is inserted to prevent the lock nut 211 from rotating.
A method of using a hydraulic, manual dual drive cylinder comprising the steps of:
step 1: the driving nut 4 is moved to the left end of the stroke (a small clearance is reserved in a retracting way), the stop valve 3 is closed, the left oil port 131 and the right oil port 132 are not communicated, the hydraulic cylinder 1 is driven by hydraulic pressure, and the piston rod 11 can move freely according to the hydraulic pressure requirement; the piston rod 11 drives the driving nut 4 to slide on the hexagonal rod 211 at the left part of the control lever 21; the sliding stroke of the driving nut 4 covers the working stroke of the hydraulic cylinder, so that the interference is avoided, and the piston rod 11 can move freely;
step 2: the stop valve 3 is opened, the left oil port 131 and the right oil port 132 are communicated, the hydraulic pressure stops working, and the areas of the left cavity and the right cavity of the hydraulic cylinder 1 are equal, so that oil on two sides can freely flow, and the manual operation is not influenced by the oil; rotating the right portion of the operating lever 21 to move the driving nut 4 leftward while the piston rod 11 does not move until the driving nut 4 contacts the lock nut 211, the driving nut 4 cannot move leftward any more, and rotating the right portion of the operating lever 21 continuously drives the piston rod 11 to move rightward (as shown in fig. 1) by the driving nut 4;
and step 3: when the piston rod 11 moves to the rightmost end, the right part of the operating rod 21 is reversed, the driving nut 4 moves rightwards until the driving nut 4 is contacted with the middle part of the operating rod 21, the driving nut 4 cannot move rightwards continuously, and the driving nut 4 drives the piston rod 11 to move leftwards (as shown in fig. 2) when the right part of the operating rod 21 is continuously reversed.
The self-locking method of the hydraulic and manual double-driving cylinder comprises the following steps: the stop valve 3 is opened, the left oil port 131 and the right oil port 132 are communicated, the hydraulic pressure stops working, the right part of the operating rod 21 is reversed, the driving nut 4 is contacted with the middle part of the operating rod 21, and the right external force received by the left end of the piston rod 11 is offset through the driving nut 4 and the middle part of the operating rod 21, so that the self-locking of the piston rod 11 is realized (as shown in fig. 3, the current locking position does not move to the right).
In actual use, when the driving force is large, the lever 21 may be provided with a speed reducer for boosting, or the manual operation may be extended to the mechanical operation.
Others not described in detail are within the prior art.
Claims (4)
1. The hydraulic and manual double-driving cylinder comprises a hydraulic cylinder (1), wherein the hydraulic cylinder (1) comprises a piston rod (11), and a front guide sleeve (12), a cylinder body (13) and a rear guide sleeve (14) are sequentially sleeved on the piston rod (11) from left to right; the left end of the cylinder body (13) is provided with a front gland (121) which is connected with the cylinder body (13) and sleeved on the front guide sleeve (12), and the right end of the cylinder body (13) is provided with a rear gland (141) which is connected with the cylinder body (13) and sleeved on the rear guide sleeve (14); the cylinder body (13) is provided with a left oil port (131) and a right oil port (132); the method is characterized in that:
the hydraulic cylinder is characterized by further comprising a manual operation mechanism (2) and a stop valve (3), wherein the manual operation mechanism (2) comprises an operating rod (21), the left part of the operating rod (21) penetrates through the piston rod (11) and is located in the piston rod (11), and the right part of the operating rod (21) is located on the right side of the hydraulic cylinder (1);
a driving nut (4) is arranged between the piston rod (11) and the left part of the operating rod (21), the outer wall of the driving nut (4) is matched with the inner wall of the piston rod (11), and the driving nut (4) is slidably arranged at the left part of the operating rod (21);
and the stop valve (3) controls the conduction of the left oil port (131) and the right oil port (132).
2. The hydraulic, manual dual drive cylinder of claim 1, wherein: the inner wall of the piston rod (11) is provided with threads, and the outer wall of the driving nut (4) is provided with threads matched with the inner wall of the piston rod (11); the left part of the operating rod (21) is a hexagonal rod (211), and the inner wall of the driving nut (4) is of a hexagonal structure matched with the hexagonal rod; the radius of the hexagonal rod (211) is smaller than that of the middle part of the operating rod (21).
3. Hydraulic, manual double-drive cylinder according to claim 1 or 2, characterized in that: and a locking nut (212) is arranged at the left end of the operating rod (21).
4. A hydraulic, manual dual drive cylinder according to claim 3, wherein: and a bolt (2121) is arranged on the locking nut (212).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920548695.5U CN210106287U (en) | 2019-04-22 | 2019-04-22 | Hydraulic and manual double-driving cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920548695.5U CN210106287U (en) | 2019-04-22 | 2019-04-22 | Hydraulic and manual double-driving cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210106287U true CN210106287U (en) | 2020-02-21 |
Family
ID=69537166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920548695.5U Expired - Fee Related CN210106287U (en) | 2019-04-22 | 2019-04-22 | Hydraulic and manual double-driving cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210106287U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973464A (en) * | 2019-04-22 | 2019-07-05 | 武汉华液传动制造有限公司 | Hydraulic, manual double-driving moves cylinder and application method and self-locking method |
-
2019
- 2019-04-22 CN CN201920548695.5U patent/CN210106287U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973464A (en) * | 2019-04-22 | 2019-07-05 | 武汉华液传动制造有限公司 | Hydraulic, manual double-driving moves cylinder and application method and self-locking method |
| CN109973464B (en) * | 2019-04-22 | 2024-03-19 | 武汉华液传动制造有限公司 | Hydraulic and manual double-driving cylinder, use method and self-locking method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200221 Termination date: 20210422 |