CN209943283U - Multi-stage hydraulic cylinder driving sleeve type telescopic two-force rod - Google Patents
Multi-stage hydraulic cylinder driving sleeve type telescopic two-force rod Download PDFInfo
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- CN209943283U CN209943283U CN201920530727.9U CN201920530727U CN209943283U CN 209943283 U CN209943283 U CN 209943283U CN 201920530727 U CN201920530727 U CN 201920530727U CN 209943283 U CN209943283 U CN 209943283U
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- pneumatic cylinder
- telescopic tube
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- multistage pneumatic
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Abstract
The utility model discloses a flexible two power poles of multistage pneumatic cylinder drive bushing type, it relates to two power pole technical field. Its multistage pneumatic cylinder is established in telescopic tube's inside, telescopic tube cup joints step by step for a plurality of pipes and forms, multistage pneumatic cylinder is formed by multistage piston cylinder suit, telescopic tube's top and bottom all are equipped with convex hinge structure, multistage pneumatic cylinder's top and bottom are equipped with the engaging lug ring respectively, the engaging lug ring of multistage pneumatic cylinder top and bottom is established respectively in telescopic tube's top and the hinge structure's of bottom inside, multistage pneumatic cylinder and telescopic tube's top and bottom are articulated through engaging lug ring and hinge structure respectively and are connected, hinge structure's hinge is coaxial for two hinges, the tip that telescopic tube is connected with multistage pneumatic cylinder is the pin joint. The utility model has the advantages that: the multi-layer sleeve extends out step by step under the driving of the multi-stage hydraulic cylinder, retracts under the action of external force, and can change the length through extension and retraction.
Description
Technical Field
The utility model relates to a two power poles technical field, concretely relates to flexible two power poles of multistage pneumatic cylinder drive bushing type.
Background
The two-force rod is an object which has resultant force on a connecting line of two hinge points in a balanced state and is stressed in equal magnitude and opposite directions. The two-force rod is an important component unit of a rod mechanism and a truss mechanism, and is commonly applied in industry. The length of a conventional two-force rod is constant, so that the law of motion cannot be changed when the two-force rod is applied to a mechanism which is already determined. In order to realize the change of a plurality of different motion laws in one mechanism according to the requirement, a telescopic two-force rod is needed.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide the flexible two power poles of multi-stage hydraulic cylinder drive bushing type, the multilayer sleeve pipe stretches out under multi-stage hydraulic cylinder's drive step by step, retracts under the exogenic action, can realize the purpose of change length through flexible, and the working stroke can be very long, can contract to be shorter when out of work.
In order to solve the technical problem, the utility model adopts the technical scheme that: the hydraulic cylinder comprises a telescopic sleeve, a multi-stage hydraulic cylinder and a hinge point; the inside at telescopic tube is established to multistage pneumatic cylinder, telescopic tube cup joints step by step for a plurality of pipes and forms, multistage pneumatic cylinder is formed by multistage piston cylinder suit, telescopic tube's top and bottom all are equipped with convex hinge structure, multistage pneumatic cylinder's top and bottom are equipped with the engaging lug ring respectively, the engaging lug ring of multistage pneumatic cylinder top and bottom is established respectively in telescopic tube's top and the hinge structure's of bottom inside, multistage pneumatic cylinder and telescopic tube's top and bottom are articulated through engaging lug ring and hinge structure respectively and are connected, hinge structure's hinge is coaxial for two hinges, the tip that telescopic tube is connected with multistage pneumatic cylinder is the pin joint.
Furthermore, the multistage pistons of the multistage hydraulic cylinders respectively correspond to the multistage pipes of the telescopic sleeves step by step.
Furthermore, the bottom side edges of the cascade tubes of the telescopic tube are connected with edges, and the edges are clamped inside the adjacent outer layer tubes.
After adopting the structure, the utility model has the advantages that: the multi-layer sleeve extends out step by step under the driving of the multi-stage hydraulic cylinder and retracts under the action of external force, the purpose of changing the length can be realized through stretching, the working stroke can be very long, the change of larger stretching amount can be realized, the multi-stage hydraulic cylinder can be shortened when not working, and the built-in structure of the multi-stage hydraulic cylinder is compact.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of the utility model after shortening.
Description of reference numerals: telescopic tube 1, multistage pneumatic cylinder 2, pin joint 3.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and the following detailed description. The following examples are presented to enable those skilled in the art to more fully understand the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1 and fig. 2, the following technical solutions are adopted in the present embodiment: the hydraulic cylinder comprises a telescopic sleeve 1, a multi-stage hydraulic cylinder 2 and a hinge point 3; the multistage hydraulic cylinder 2 is arranged inside the telescopic sleeve 1, the built-in structure of the multistage hydraulic cylinder 2 is compact, the telescopic sleeve 1 is formed by sleeving a plurality of tubes step by step, each stage of inner tube and outer tube can be telescopic, the multistage hydraulic cylinder 2 is formed by sleeving a plurality of piston cylinders, can realize promoting respectively of multistage piston, telescopic tube 1's top and bottom all are equipped with convex hinge structure, multistage pneumatic cylinder 2's top and bottom are equipped with the engaging lug ring respectively, the engaging lug ring of 2 tops of multistage pneumatic cylinder and bottom is established respectively in telescopic tube 1's top and the hinge structure's of bottom inside, the top and the bottom of multistage pneumatic cylinder 2 and telescopic tube 1 are articulated through engaging lug ring and hinge structure respectively and are connected, hinge structure's hinge is coaxial for two hinges, the tip that telescopic tube 1 is connected with multistage pneumatic cylinder 2 is pin joint 3, multistage pneumatic cylinder 2's piston can drive telescopic tube 1 and stretch out and draw back.
Furthermore, the multistage pistons of the multistage hydraulic cylinders 2 respectively correspond to the multistage pipes of the telescopic sleeves 1 step by step, and the pistons of the multistage hydraulic cylinders 2 can respectively push and extend the multistage pipes of the telescopic sleeves 1.
Furthermore, the side edges of the bottom of the cascade tubes of the telescopic sleeve 1 are connected with edges which are clamped inside the adjacent outer tube, so that the inner sleeve cannot be separated from the adjacent outer tube.
The working principle is as follows: the telescopic (lifting) two-force rod driven by the multi-stage hydraulic cylinder consists of a telescopic sleeve 1 and a built-in multi-stage hydraulic cylinder 2, the telescopic sleeve 1 and the multi-stage hydraulic cylinder 2 are respectively hinged at the top end and the bottom end, the telescopic sleeve 1 extends out step by step under the drive of the multi-stage hydraulic cylinder 2 through the change of a hydraulic control loop and retracts under the action of external force, has the basic attribute of the two-force rod and also has the telescopic characteristic, and can be realized through a plurality of control modes such as manual operation, electric operation, proportional servo and the like; besides bearing larger axial force, the bearing also can bear larger lateral force and moment. The components of the multi-stage hydraulic cylinder 2 and the like are all universal standard components or components known by those skilled in the art, and the structure and the principle of the components are known by technical manuals or conventional experimental methods, and are not described.
This embodiment makes the multilayer sleeve pipe stretch out step by step under multistage pneumatic cylinder's drive, retracts under the exogenic action, can realize the purpose of change length through flexible, and the working stroke can be very long, can realize more flexible volume change, can contract when out of work to be shorter, the built-in compact structure of multistage pneumatic cylinder.
The basic principles and main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. Multistage hydraulic cylinder drive bushing type two power poles that stretch out and draw back, its characterized in that: comprises a telescopic sleeve, a multi-stage hydraulic cylinder and a hinge point; the inside at telescopic tube is established to multistage pneumatic cylinder, telescopic tube cup joints step by step for a plurality of pipes and forms, multistage pneumatic cylinder is formed by multistage piston cylinder suit, telescopic tube's top and bottom all are equipped with convex hinge structure, multistage pneumatic cylinder's top and bottom are equipped with the engaging lug ring respectively, the engaging lug ring of multistage pneumatic cylinder top and bottom is established respectively in telescopic tube's top and the hinge structure's of bottom inside, multistage pneumatic cylinder and telescopic tube's top and bottom are articulated through engaging lug ring and hinge structure respectively and are connected, hinge structure's hinge is coaxial for two hinges, the tip that telescopic tube is connected with multistage pneumatic cylinder is the pin joint.
2. The multi-stage hydraulic cylinder driven telescopic two-force rod as claimed in claim 1, wherein: and the multistage pistons of the multistage hydraulic cylinders respectively correspond to the multistage pipes of the telescopic sleeves step by step.
3. The multi-stage hydraulic cylinder driven telescopic two-force rod as claimed in claim 1, wherein: the side edges of the bottoms of the cascade tubes of the telescopic sleeves are connected with edges, and the edges are clamped inside the adjacent outer layer tubes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920530727.9U CN209943283U (en) | 2019-04-18 | 2019-04-18 | Multi-stage hydraulic cylinder driving sleeve type telescopic two-force rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920530727.9U CN209943283U (en) | 2019-04-18 | 2019-04-18 | Multi-stage hydraulic cylinder driving sleeve type telescopic two-force rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209943283U true CN209943283U (en) | 2020-01-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920530727.9U Active CN209943283U (en) | 2019-04-18 | 2019-04-18 | Multi-stage hydraulic cylinder driving sleeve type telescopic two-force rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209943283U (en) |
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2019
- 2019-04-18 CN CN201920530727.9U patent/CN209943283U/en active Active
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