CN219176688U - Hydraulic control system of two pneumatic cylinders of two-way independent speed governing - Google Patents
Hydraulic control system of two pneumatic cylinders of two-way independent speed governing Download PDFInfo
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- CN219176688U CN219176688U CN202320016849.2U CN202320016849U CN219176688U CN 219176688 U CN219176688 U CN 219176688U CN 202320016849 U CN202320016849 U CN 202320016849U CN 219176688 U CN219176688 U CN 219176688U
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Abstract
The utility model belongs to the technical field of hydraulic cylinders, in particular to a hydraulic control system of a bidirectional independent speed regulation double hydraulic cylinder, which comprises a bidirectional hydraulic cylinder body, wherein a partition block is fixedly sleeved on the inner wall of the outer surface of the bidirectional hydraulic cylinder body, symmetrically distributed piston blocks are movably sleeved on the inner wall of the bidirectional hydraulic cylinder body, a piston rod is fixedly connected with one side surface of the piston block, one end of the piston rod penetrates through and extends to one side surface of the bidirectional hydraulic cylinder body, and one end of the piston rod is fixedly connected with a connecting lug. This hydraulic control system of two pneumatic cylinders of two-way independent speed governing is provided with buffer through setting up the both sides inner wall of two-way pneumatic cylinder body, and buffer includes annular installation piece, and one side surface and one side inner wall fixed connection of two-way pneumatic cylinder body of annular installation piece has reached the piston piece to limit stroke and has buffered to the protection of slowing down to the piston rod, thereby improved two-way pneumatic cylinder body life's effect.
Description
Technical Field
The utility model relates to the technical field of hydraulic cylinders, in particular to a hydraulic control system of a bidirectional independent speed regulation double hydraulic cylinder.
Background
The hydraulic cylinder is a hydraulic executive component which converts hydraulic energy into mechanical energy and performs linear reciprocating motion or swinging motion, has simple structure and reliable work, can avoid a speed reducing device when being used for realizing reciprocating motion, has no transmission clearance and stable motion, and is widely applied to hydraulic systems of various machines, and different types of hydraulic cylinders have different using effects.
The hydraulic control system of a two-way independent speed regulation double hydraulic cylinder (publication No. CN 209444641U) disclosed in Chinese patent literature, although the two-way independent speed regulation double hydraulic cylinder is matched with a reversing valve, a stacked double-unidirectional oil inlet throttle valve and a stacked double-single oil return throttle valve, the inclination and blocking phenomena caused by inconsistent speeds of two sides are avoided, the hydraulic cylinder is not buffered by a buffer device during a limit stroke, high pressure is easily generated in a rod cavity when the limit stroke is reached, and the service life of the hydraulic cylinder is reduced, even the problem of cylinder explosion is solved.
Disclosure of Invention
Based on the technical problems that the prior bidirectional hydraulic cylinder is not buffered by a buffer device during the limit stroke, so that high pressure is easily generated in a rod cavity, the service life of the hydraulic cylinder is reduced, and even the hydraulic cylinder is exploded, the utility model provides a hydraulic control system of the bidirectional independent speed regulation double hydraulic cylinder.
The utility model provides a hydraulic control system of a bidirectional independent speed regulation double hydraulic cylinder, which comprises a bidirectional hydraulic cylinder body, wherein a partition block is fixedly sleeved on the inner wall of the outer surface of the bidirectional hydraulic cylinder body, symmetrically distributed piston blocks are movably sleeved on the inner wall of the bidirectional hydraulic cylinder body, a piston rod is fixedly connected with one side surface of the piston blocks, one end of the piston rod penetrates through and extends to one side surface of the bidirectional hydraulic cylinder body, and one end of the piston rod is fixedly connected with a connecting lug;
the two-way hydraulic cylinder is characterized in that buffer devices are arranged on the inner walls of the two sides of the two-way hydraulic cylinder body, each buffer device comprises an annular mounting block, and one side surface of each annular mounting block is fixedly connected with one side inner wall of the two-way hydraulic cylinder body.
Preferably, the two annular mounting blocks are symmetrically distributed by taking the axis of the bidirectional hydraulic cylinder body as a symmetrical center, and sealing cavities distributed in an annular array are formed in the annular mounting blocks.
Preferably, the inner wall activity of sealed cavity has cup jointed the sealing plug, one side surface fixedly connected with connecting rod of sealing plug, the one end of connecting rod runs through and extends to one side surface of annular installation piece.
Preferably, one end of the connecting rod is fixedly connected with a limiting block, the outer surface of the connecting rod is movably sleeved with a reset spring, and one end of the reset spring is fixedly connected with one side surface of the sealing plug.
Preferably, the other end of the return spring is fixedly connected with the inner wall of one side of the sealing cavity, and a connecting pipe is fixedly communicated with the inner bottom wall of the sealing cavity.
Preferably, one end of the connecting pipe penetrates through and extends to the inner side surface of the annular mounting block, one end of the connecting pipe is fixedly communicated with an annular air bag, and the outer side surface of the annular air bag is fixedly connected with the inner side surface of the annular mounting block.
The beneficial effects of the utility model are as follows:
through setting up the both sides inner wall of two-way pneumatic cylinder body and be provided with buffer, and buffer includes annular installation piece, and one side surface and one side inner wall fixed connection of two-way pneumatic cylinder body of annular installation piece has reached the piston piece to limit stroke and has buffered to the protection of slowing down to the piston rod, thereby improved two-way pneumatic cylinder body life's effect.
Drawings
FIG. 1 is a schematic diagram of a hydraulic control system of a bi-directional independent governor dual hydraulic cylinder;
FIG. 2 is a cross-sectional view of a two-way hydraulic cylinder body of a hydraulic control system of a two-way independent speed regulation double hydraulic cylinder;
fig. 3 is an enlarged view of the structure a in fig. 2 of a hydraulic control system of a two-way independent speed regulation double hydraulic cylinder.
In the figure: 1. a bidirectional hydraulic cylinder body; 2. a partition block; 3. a piston block; 4. a piston rod; 5. a connecting lug; 6. an annular mounting block; 61. sealing the cavity; 62. a sealing plug; 63. a connecting rod; 64. a limiting block; 65. a return spring; 66. a connecting pipe; 67. an annular air bag.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-3, a hydraulic control system of a bidirectional independent speed regulation double hydraulic cylinder comprises a bidirectional hydraulic cylinder body 1, wherein a partition block 2 is fixedly sleeved on the inner wall of the outer surface of the bidirectional hydraulic cylinder body 1, symmetrically distributed piston blocks 3 are movably sleeved on the inner wall of the bidirectional hydraulic cylinder body 1, a piston rod 4 is fixedly connected with one side surface of the piston block 3, one end of the piston rod 4 penetrates through and extends to one side surface of the bidirectional hydraulic cylinder body 1, and one end of the piston rod 4 is fixedly connected with a connecting lug 5;
the two side inner walls of the two-way hydraulic cylinder body 1 are provided with buffering devices, each buffering device comprises an annular mounting block 6, and one side surface of each annular mounting block 6 is fixedly connected with one side inner wall of the two-way hydraulic cylinder body 1.
Further, in order to facilitate connection and fixation, the two annular mounting blocks 6 are symmetrically distributed by taking the axis of the bidirectional hydraulic cylinder body 1 as a symmetrical center, the annular mounting blocks 6 are internally provided with sealing cavities 61 distributed in an annular array, the connecting lugs 5 play a role in facilitating connection and fixation of one end of the piston rod 4, and the outer surface of the bidirectional hydraulic cylinder body 1 is provided with oil inlet holes and oil outlet holes which are symmetrically distributed.
Further, in order to realize the extrusion to gas, the inner wall of the sealed cavity 61 is movably sleeved with the sealing plug 62, a side surface of the sealing plug 62 is fixedly connected with a connecting rod 63, one end of the connecting rod 63 penetrates through and extends to a side surface of the annular mounting block 6, and the connecting rod 63 plays a role in driving the sealing plug 62 to move in the sealed cavity 61, so that the gas in the sealed cavity 61 is extruded.
Further, in order to realize the reset movement, one end fixedly connected with stopper 64 of connecting rod 63, the surface activity of connecting rod 63 has cup jointed reset spring 65, and one end of reset spring 65 and one side fixed surface of sealing plug 62 are connected, and stopper 64 plays the effect that limits the travel of connecting rod 63, and reset action of reset spring 65 plays the effect that drives sealing plug 62 and reset and remove.
Further, in order to realize gas delivery, the other end of the return spring 65 is fixedly connected with one side inner wall of the sealing cavity 61, and a connecting pipe 66 is fixedly communicated with the inner bottom wall of the sealing cavity 61, and the connecting pipe 66 plays a role in delivering the gas extruded in the sealing cavity 61.
Further, in order to achieve inflation buffering, one end of the connecting pipe 66 penetrates through and extends to the inner side surface of the annular mounting block 6, one end of the connecting pipe 66 is fixedly communicated with the annular air bag 67, the outer side surface of the annular air bag 67 is fixedly connected with the inner side surface of the annular mounting block 6, and the connecting pipe 66 plays a role in conveying gas into the annular air bag 67 to enable the gas to be inflated.
Through setting up the both sides inner wall of two-way pneumatic cylinder body 1 and being provided with buffer, and buffer includes annular installation piece 6, the one side surface of annular installation piece 6 and one side inner wall fixed connection of two-way pneumatic cylinder body 1 have reached the piston piece 3 to limit stroke and have buffered to carry out the deceleration protection to piston rod 4, thereby improved two-way pneumatic cylinder body 1 life's effect.
Working principle: when the piston block 3 drives the piston rod 4 to move and stretch out, after the piston block 3 moves to be in contact with the limiting block 64, the movement of the piston block 3 extrudes the connecting rod 63 through the limiting block 64, the movement of the connecting rod 63 drives the sealing plug 62 to move in the sealing cavity 61, and at the moment, the reset spring 65 stretches;
step two, after the gas in the sealing cavity 61 is extruded, the extruded gas is conveyed into the annular air bag 67 through the connecting pipe 66, the annular air bag 67 begins to expand and contact and extrude with the outer side surface of the piston rod 4, so that the piston block 3 is slowed down and buffered through the piston rod 4, when the piston block 3 drives the piston rod 4 to retract, the piston block 3 is separated from the limiting block 64, at the moment, the reset action of the reset spring 65 drives the sealing plug 62 to reset and move with the connecting rod 63, and at the moment, the annular air bag 67 begins to retract.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides a two hydraulic control system of two pneumatic cylinders of two-way independent speed governing, includes two-way pneumatic cylinder body (1), its characterized in that: the bidirectional hydraulic cylinder comprises a bidirectional hydraulic cylinder body (1), wherein partition blocks (2) are fixedly sleeved on the inner wall of the outer surface of the bidirectional hydraulic cylinder body (1), symmetrically distributed piston blocks (3) are movably sleeved on the inner wall of the bidirectional hydraulic cylinder body (1), a piston rod (4) is fixedly connected to one side surface of the piston blocks (3), one end of the piston rod (4) penetrates through and extends to one side surface of the bidirectional hydraulic cylinder body (1), and a connecting lug (5) is fixedly connected to one end of the piston rod (4);
the two-way hydraulic cylinder is characterized in that buffer devices are arranged on the inner walls of the two sides of the two-way hydraulic cylinder body (1), each buffer device comprises an annular mounting block (6), and one side surface of each annular mounting block (6) is fixedly connected with one side inner wall of the two-way hydraulic cylinder body (1).
2. The hydraulic control system of the two-way independent speed regulation double hydraulic cylinders according to claim 1, wherein: the two annular mounting blocks (6) are symmetrically distributed by taking the axis of the bidirectional hydraulic cylinder body (1) as the symmetry center, and sealing cavities (61) distributed in an annular array are formed in the annular mounting blocks (6).
3. The hydraulic control system of the two-way independent speed regulation double hydraulic cylinders according to claim 2, wherein: the inner wall activity of sealed cavity (61) has cup jointed sealing plug (62), one side surface fixedly connected with connecting rod (63) of sealing plug (62), one end of connecting rod (63) runs through and extends to one side surface of annular installation piece (6).
4. A hydraulic control system of a bi-directional independent governor dual hydraulic cylinder as recited in claim 3 wherein: one end fixedly connected with stopper (64) of connecting rod (63), the surface activity of connecting rod (63) has cup jointed reset spring (65), one end of reset spring (65) with one side surface fixed connection of sealing plug (62).
5. The hydraulic control system of the two-way independent speed regulation double hydraulic cylinders according to claim 4, wherein: the other end of the return spring (65) is fixedly connected with the inner wall of one side of the sealing cavity (61), and a connecting pipe (66) is fixedly communicated with the inner bottom wall of the sealing cavity (61).
6. The hydraulic control system of the two-way independent speed regulation double hydraulic cylinders according to claim 5, wherein: one end of the connecting pipe (66) penetrates through and extends to the inner side surface of the annular mounting block (6), an annular air bag (67) is fixedly communicated with one end of the connecting pipe (66), and the outer side surface of the annular air bag (67) is fixedly connected with the inner side surface of the annular mounting block (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320016849.2U CN219176688U (en) | 2023-01-05 | 2023-01-05 | Hydraulic control system of two pneumatic cylinders of two-way independent speed governing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320016849.2U CN219176688U (en) | 2023-01-05 | 2023-01-05 | Hydraulic control system of two pneumatic cylinders of two-way independent speed governing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219176688U true CN219176688U (en) | 2023-06-13 |
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ID=86668873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320016849.2U Active CN219176688U (en) | 2023-01-05 | 2023-01-05 | Hydraulic control system of two pneumatic cylinders of two-way independent speed governing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219176688U (en) |
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2023
- 2023-01-05 CN CN202320016849.2U patent/CN219176688U/en active Active
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