CN210286609U - Hydraulic cylinder driven scissor type telescopic two-force rod - Google Patents
Hydraulic cylinder driven scissor type telescopic two-force rod Download PDFInfo
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- CN210286609U CN210286609U CN201920531754.8U CN201920531754U CN210286609U CN 210286609 U CN210286609 U CN 210286609U CN 201920531754 U CN201920531754 U CN 201920531754U CN 210286609 U CN210286609 U CN 210286609U
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Abstract
The utility model discloses a flexible two power poles of fork are cut in pneumatic cylinder drive, it relates to two power pole technical field. The shearing fork mechanism comprises a plurality of parallelograms, the sides of the parallelograms are hinged, the connecting end of the shearing fork mechanism is a hinged joint, one end of the shearing fork mechanism is provided with a hydraulic cylinder, the hydraulic cylinder is arranged between two hinged joints on the diagonal line of the parallelograms parallel to the telescopic direction, two ends of the hydraulic cylinder are respectively provided with a mounting hole, the hydraulic cylinder is respectively connected with hinged shafts of two hinged points through the mounting holes, and the hydraulic cylinder is arranged on the outer side of the shearing fork mechanism. The utility model has the advantages that: it passes through hydraulic pressure force drive pneumatic cylinder, can change the distance between two pin joints, relies on the linkage effect of cutting fork mechanism to realize cutting fork mechanism's whole multiplication flexible, reaches the purpose of the length of change pole, and pneumatic cylinder simple structure moves steadily reliable operation.
Description
Technical Field
The utility model relates to a two power poles technical field, concretely relates to flexible two power poles of fork are cut in pneumatic cylinder drive.
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 two-force rod is a complete series combination of a single-row multi-group parallelogram four-bar linkage, and two ends of the rod body are hinged structures.
The length of the conventional two-force rod is unchanged, and the conventional scissor lifting mechanism does not have the telescopic characteristic, and is not used in a rod mechanism, so that the motion law of the conventional scissor lifting mechanism cannot be changed when the conventional scissor lifting mechanism is applied to a determined mechanism. The use of a conventional scissor mechanism (multiple rows) in an elevator is shown in fig. 1. 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 fork is cut in pneumatic cylinder drive, through hydraulic pressure force drive pneumatic cylinder, can change the distance between two pin joints, rely on the linkage effect of cutting fork mechanism to realize that the whole multiplication of cutting fork mechanism is flexible, reach the purpose of the length of change pole.
In order to solve the technical problem, the utility model adopts the technical scheme that: the device comprises a scissor mechanism, a hinge point and a hydraulic cylinder; the shearing fork mechanism is composed of a plurality of parallelograms, each side of each parallelogram is hinged, the connecting end part of the shearing fork mechanism is a hinged joint, a hydraulic cylinder is installed at one end of the shearing fork mechanism and installed between two hinged joints on the diagonal line of the parallelogram parallel to the telescopic direction, mounting holes are respectively formed in two ends of the hydraulic cylinder, the hydraulic cylinder is respectively connected with hinged shafts of two hinged points through the mounting holes, and the hydraulic cylinder is installed on the outer side of the shearing fork mechanism.
Furthermore, the pneumatic cylinder is installed in the one end of cutting the fork mechanism, and the pneumatic cylinder is installed between two pin joints on the parallelogram diagonal perpendicular with flexible direction, and the both ends of pneumatic cylinder are equipped with the mounting hole respectively, and the pneumatic cylinder passes through the mounting hole and is connected with the hinge of two hinge points punishment respectively, and the pneumatic cylinder is installed in the outside of cutting the fork mechanism.
After adopting the structure, the utility model has the advantages that: it passes through hydraulic pressure force drive pneumatic cylinder, can change the distance between two pin joints, relies on the linkage effect of cutting fork mechanism to realize cutting fork mechanism's whole multiplication flexible, reaches the purpose of the length of change pole, and pneumatic cylinder simple structure moves steadily reliable operation.
Drawings
FIG. 1 is a schematic diagram of an application structure of a scissor mechanism in an elevator in the prior art;
fig. 2 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 3 is a schematic view of a length-shortened structure according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a second embodiment of the present invention;
fig. 5 is a schematic structural view of the second embodiment of the present invention after the length is shortened.
Description of reference numerals: scissor fork mechanism I11, hinge point I12, sliding block 13 and scissor fork machine
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.
The first embodiment is as follows:
as shown in fig. 2 and fig. 3, the following technical solutions are adopted in the present embodiment: the shearing fork mechanism comprises a shearing fork mechanism 1, a hinge point 2 and a hydraulic cylinder 3; cut fork mechanism 1 and constitute by a plurality of parallelograms, the hinge connects between each limit of parallelogram, the tip of connecting of cutting fork mechanism 1 is pin joint 2, pneumatic cylinder 3 is installed to the one end of cutting fork mechanism 1, pneumatic cylinder 3 is installed between two pin joint 2 on the parallelogram diagonal parallel with flexible direction, the both ends of pneumatic cylinder 3 are equipped with the mounting hole respectively, pneumatic cylinder 3 passes through the mounting hole and is connected with the hinge of two pin joint 2 departments respectively, pneumatic cylinder 3 installs in the outside of cutting fork mechanism 1, 3 job stabilization of pneumatic cylinder, make two power poles during operation safe and reliable. Through hydraulic pressure power drive pneumatic cylinder 3, can change with the parallel distance between two pin joints 2 of flexible direction, rely on the linkage effect of cutting fork mechanism 1 to realize cutting fork mechanism's whole multiplication flexible, reach the purpose of the length of change lever.
The second embodiment is as follows:
as shown in fig. 4 and 5, the following technical solutions are adopted in the present embodiment: the shearing fork mechanism comprises a shearing fork mechanism 1, a hinge point 2 and a hydraulic cylinder 3; cut fork mechanism 1 and constitute by a plurality of parallelograms, the hinge joint between each limit of parallelogram, the tip of connecting of cutting fork mechanism 1 is pin joint 2, pneumatic cylinder 3 is installed to the one end of cutting fork mechanism 1, pneumatic cylinder 3 is installed between two pin joint 2 on the parallelogram diagonal with flexible direction vertically, the both ends of pneumatic cylinder 3 are equipped with the mounting hole respectively, pneumatic cylinder 3 passes through the mounting hole and is connected with the hinge of two pin joint 2 departments respectively, pneumatic cylinder 3 installs in the outside of cutting fork mechanism 1, 3 job stabilization of pneumatic cylinder, make two power poles during operation safe and reliable. Through hydraulic pressure power drive pneumatic cylinder 3, can change with the distance between two articulated joints 2 of flexible direction vertically, rely on the linkage effect of cutting fork mechanism 1 to realize cutting fork mechanism's whole multiplication flexible, reach the purpose of the length of change lever.
The working principle is as follows: the hydraulic cylinder driving scissor type (a plurality of groups of single-row combination) telescopic two-force rods are composed of a telescopic scissor mechanism 1 and a hydraulic cylinder 3, wherein the connecting end of the telescopic scissor mechanism is a hinge point 2; the hydraulic cylinder 3 is arranged at a specific position of the scissor mechanism 1, the hydraulic cylinder is driven by hydraulic pressure to change the distance between the two hinge points 2, the integral multiplication and expansion of the scissor mechanism 1 are realized by virtue of the linkage action of the scissor mechanism 1, and the purpose of changing the length of the rod is achieved; besides axial force, the bearing device can bear certain lateral force and moment. The structure and principle of the hydraulic cylinder and the hinge are known to those skilled in the art through technical manuals or through routine experiments, and will not be described.
This embodiment passes through hydraulic pressure force drive pneumatic cylinder, can change the distance between two pin joints, relies on the linkage effect of cutting fork mechanism to realize that the whole of cutting fork mechanism multiplies flexible, reaches the purpose of the length of change pole, and pneumatic cylinder simple structure moves steadily reliable operation.
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 (1)
1. Flexible two power poles of fork is cut in pneumatic cylinder drive, its characterized in that: comprises a scissor mechanism, a hinge point and a hydraulic cylinder;
the scissor fork mechanism is composed of a plurality of parallelograms, each side of each parallelogram is hinged, the connecting end part of the scissor fork mechanism is a hinged joint, a hydraulic cylinder is installed at one end of the scissor fork mechanism and is installed between two hinged joints on a diagonal line of the parallelogram parallel to or perpendicular to the telescopic direction, mounting holes are respectively formed in two ends of the hydraulic cylinder, the hydraulic cylinder is connected with hinged shafts of two hinged points through the mounting holes, and the hydraulic cylinder is installed on the outer side of the scissor fork mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920531754.8U CN210286609U (en) | 2019-04-18 | 2019-04-18 | Hydraulic cylinder driven scissor type telescopic two-force rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920531754.8U CN210286609U (en) | 2019-04-18 | 2019-04-18 | Hydraulic cylinder driven scissor type telescopic two-force rod |
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| Publication Number | Publication Date |
|---|---|
| CN210286609U true CN210286609U (en) | 2020-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920531754.8U Active CN210286609U (en) | 2019-04-18 | 2019-04-18 | Hydraulic cylinder driven scissor type telescopic two-force rod |
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| CN (1) | CN210286609U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112809410A (en) * | 2020-12-25 | 2021-05-18 | 珠海格力智能装备有限公司 | Control platform and machine tool |
| CN113695803A (en) * | 2021-09-24 | 2021-11-26 | 重庆万马汽车制造(集团)有限公司 | Automatic welding assembly lifting platform |
-
2019
- 2019-04-18 CN CN201920531754.8U patent/CN210286609U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112809410A (en) * | 2020-12-25 | 2021-05-18 | 珠海格力智能装备有限公司 | Control platform and machine tool |
| CN113695803A (en) * | 2021-09-24 | 2021-11-26 | 重庆万马汽车制造(集团)有限公司 | Automatic welding assembly lifting platform |
| CN113695803B (en) * | 2021-09-24 | 2022-08-19 | 重庆万马汽车制造(集团)有限公司 | Automatic welding assembly lifting platform |
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