CN212954225U - Gyration self-locking mechanism and high altitude construction car - Google Patents
Gyration self-locking mechanism and high altitude construction car Download PDFInfo
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- CN212954225U CN212954225U CN202021849584.7U CN202021849584U CN212954225U CN 212954225 U CN212954225 U CN 212954225U CN 202021849584 U CN202021849584 U CN 202021849584U CN 212954225 U CN212954225 U CN 212954225U
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Abstract
The utility model discloses a gyration self-locking mechanism and high altitude construction car, include: the device comprises a rotary platform, a vertical device, a telescopic arm, a telescopic oil cylinder, a rotary support piece, a self-locking oil cylinder, a locking block and a slide rail. The vertical device is obliquely arranged on the rotary platform, and the lower end of the vertical device is fixedly connected with the rotary platform; the lower end of the telescopic oil cylinder is hinged with the center of the rotary platform, and the upper end of the telescopic oil cylinder is hinged with the telescopic arm; the first gear teeth are arranged on the excircle of the rotary supporting piece. The self-locking oil cylinder is arranged along the diameter direction of the rotary supporting piece; the locking block is arranged between the self-locking oil cylinder and the rotary supporting piece, one end of the locking block is provided with a second gear, and the other end of the locking block is connected with a piston rod of the self-locking oil cylinder. The slide rail sets up in the below of locking piece, its and locking piece sliding fit. The self-locking oil cylinder drives the locking block to be occluded with the rotary supporting piece, so that the position of the rotary supporting piece is fixed, and the upper-mounted suspension arm is also locked at the working condition position.
Description
Technical Field
The utility model belongs to the technical field of high altitude construction car, specifically a gyration self-locking mechanism.
Background
The telescopic arm type aerial work platform is a movable aerial work product for serving aerial work, equipment installation, maintenance and the like in various industries. The telescopic arm type aerial work platform is mainly divided into a straight arm type aerial work platform and a bent arm type aerial work platform. The machine is mainly used in places with higher requirements on height, such as shipyards and the like, and the machine has better safety and convenient movement, but has high cost. When the overhead working truck is in a working condition, the working bucket is loaded to stop at a certain position by stopping the rotary speed reducer, and swings when external force is met, so that potential hazards are left to the personal safety of constructors.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the not enough of above-mentioned prior art, provide a with davit locking at the self-locking mechanism of operating mode position.
For solving the above technical problem, the utility model discloses a technical scheme is:
a pivoting self-locking mechanism comprising: the device comprises a rotary platform, a vertical device, a telescopic arm, a telescopic oil cylinder, a rotary support piece, a self-locking oil cylinder, a locking block and a slide rail.
The rotary platform is driven by a power source on the overhead working truck to rotate; the vertical installation is obliquely arranged on the rotary platform, and the lower end of the vertical installation is fixedly connected with the rotary platform.
The lower end of the telescopic arm is hinged with the vertical device, and the upper end of the telescopic arm is connected with an operation platform; the lower end of the telescopic oil cylinder is hinged with the center of the rotary platform, and the upper end of the telescopic oil cylinder is hinged with the telescopic arm.
The lower end of the rotary supporting piece is connected with a frame of the high-altitude operation vehicle, the upper end of the rotary supporting piece is connected with the vertical installation, and the excircle of the rotary supporting piece is provided with first gear teeth.
The self-locking oil cylinder is arranged along the radial direction of the rotary supporting piece; the locking block is arranged between the self-locking oil cylinder and the rotary supporting piece, one end of the locking block is provided with second gear teeth which can be meshed with the first gear teeth, and the other end of the locking block is connected with a piston rod of the self-locking oil cylinder.
The sliding rail is arranged below the locking block and is in sliding fit with the locking block; and the self-locking oil cylinder extends out of the piston rod to drive the locking block when the rotary supporting member rotates to a working condition position, so that second gear teeth on the locking block are meshed with first gear teeth on the rotary supporting member.
The lower end of the locking block is provided with a convex block, the slide rail is provided with a groove, and the convex block and the groove are both in a T shape or a dovetail shape.
The locking piece is fan-shaped, and it includes concentric inner arc and outer arc, the second teeth of a cogwheel sets up on the inner arc, the piston rod of auto-lock hydro-cylinder is connected the outer arc.
An overhead working truck comprises a traveling truck frame and the rotary self-locking mechanism.
The utility model has the advantages that: when the rotary platform and the rotary support piece rotate to the working condition position, the self-locking oil cylinder extends out of the piston rod to enable second gear teeth on the locking block to be meshed with first gear teeth on the rotary support piece, so that the position of the rotary support piece is fixed, and the upper rotary platform is locked at the working condition position. The locking operation is simple and the locking is reliable in the working process; and when the telescopic boom enters a locking working condition, the telescopic boom cannot obviously displace, so that the operation platform is more stable.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an enlarged view at C of FIG. 1;
FIG. 3 is a view from A-A in FIG. 2;
fig. 4 is a sectional view B-B of fig. 3.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
As shown in fig. 1 to 4, a rotary self-locking mechanism is mounted on an aerial cage, and includes: the device comprises a rotary platform 1, a vertical installation 2, a telescopic arm 3, a telescopic oil cylinder 4, a rotary support piece 5, a self-locking oil cylinder 6, a locking block 7 and a slide rail 8.
The rotary platform 1 can be driven by a power source on the aerial working truck to rotate; the vertical device 2 is obliquely arranged on the rotary platform 1, and the lower end of the vertical device is fixedly connected with the rotary platform 1.
The lower end of the telescopic arm 3 is hinged with the vertical installation 2, and the upper end is connected with an operation platform 9; the lower end of the telescopic oil cylinder 4 is hinged with the center of the rotary platform 1, and the upper end of the telescopic oil cylinder is hinged with the telescopic arm 3.
The lower end of the rotary support 5 is connected with the frame 10 of the high-altitude operation vehicle, the upper end is connected with the vertical installation 2, and the outer circle of the rotary support is provided with a first gear 51.
The self-locking oil cylinder 6 is arranged along the diameter direction of the rotary supporting piece 5; the locking block 7 is arranged between the self-locking oil cylinder 6 and the rotary supporting piece 5, one end of the locking block is provided with a second gear tooth 71 which can be meshed with the first gear tooth 51, and the other end of the locking block is connected with a piston rod of the self-locking oil cylinder 6.
The sliding rail 8 is arranged below the locking block 7 and is in sliding fit with the locking block 7; when the rotary support member 5 rotates to the working position, the self-locking oil cylinder 6 extends out of the piston rod to drive the locking block 7, so that the second gear teeth 71 on the locking block 7 are meshed with the first gear teeth 51 on the rotary support member 5.
The lower end of the locking block 7 is provided with a convex block 72, the slide rail 8 is provided with a groove 81, and the convex block 72 and the groove 81 are both T-shaped or dovetail-shaped.
The locking block 7 is fan-shaped and comprises an inner arc and an outer arc which are concentric, the second gear teeth 71 are arranged on the inner arc, and a piston rod of the self-locking oil cylinder 6 is connected to the outer arc.
The utility model also discloses an aerial working car, including walking frame 10 and foretell gyration self-locking mechanism.
During operation, when the rotary platform 1 rotates to a working position together with the rotary support member 5, the self-locking oil cylinder 6 extends out of the piston rod to enable the second gear teeth 71 on the locking block 7 to be meshed with the first gear teeth 51 on the rotary support member 5, so that the rotary support member 5 is fixed in position, and the upper telescopic arm 3 is also locked at the working position. The locking operation is simple and the locking is reliable in the working process; and when the locking working condition is entered, the telescopic arm 3 cannot be obviously displaced, and the operation platform 9 is more stable.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, but rather is described in the embodiments and descriptions herein to illustrate the principles of the invention and that various changes and modifications may be made without departing from the spirit and scope of the invention, all of which fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents.
In the description of the present invention, it should be understood that the terms "front", "back", "left", "right", "center", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the scope of the present invention.
Claims (4)
1. The utility model provides a gyration self-locking mechanism, is applied to high altitude construction car which characterized in that includes:
the rotary platform can be driven by a power source on the overhead working truck to rotate;
the vertical device is obliquely arranged on the rotary platform, and the lower end of the vertical device is fixedly connected with the rotary platform;
the lower end of the telescopic arm is hinged with the vertical device, and the upper end of the telescopic arm is connected with a working platform;
the lower end of the telescopic oil cylinder is hinged with the center of the rotary platform, and the upper end of the telescopic oil cylinder is hinged with the telescopic arm;
the lower end of the rotary supporting piece is connected with a frame of the overhead working truck, the upper end of the rotary supporting piece is connected with the rotary platform, and the outer circle of the rotary supporting piece is provided with a first gear tooth;
the self-locking oil cylinder is arranged along the radial direction of the rotary supporting piece;
the locking block is arranged between the self-locking oil cylinder and the rotary supporting piece, one end of the locking block is provided with a second gear tooth which can be meshed with the first gear tooth, and the other end of the locking block is connected with a piston rod of the self-locking oil cylinder; and
the sliding rail is arranged below the locking block and is in sliding fit with the locking block;
when the rotary supporting piece rotates to a working condition position, the self-locking oil cylinder extends out of a piston rod of the self-locking oil cylinder to drive the locking block, so that second gear teeth of the locking block are meshed with first gear teeth on the rotary supporting piece.
2. The rotary self-locking mechanism of claim 1, wherein: the lower end of the locking block is provided with a convex block, the slide rail is provided with a groove, and the convex block and the groove are both in a T shape or a dovetail shape.
3. The rotary self-locking mechanism of claim 1, wherein: the locking piece is fan-shaped, and it includes concentric inner arc and outer arc, the second teeth of a cogwheel sets up on the inner arc, the piston rod of auto-lock hydro-cylinder is connected the outer arc.
4. An aerial working platform, its characterized in that: comprising a running carriage and a pivoting self-locking mechanism according to any one of claims 1 to 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021849584.7U CN212954225U (en) | 2020-08-31 | 2020-08-31 | Gyration self-locking mechanism and high altitude construction car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021849584.7U CN212954225U (en) | 2020-08-31 | 2020-08-31 | Gyration self-locking mechanism and high altitude construction car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212954225U true CN212954225U (en) | 2021-04-13 |
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ID=75361387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021849584.7U Active CN212954225U (en) | 2020-08-31 | 2020-08-31 | Gyration self-locking mechanism and high altitude construction car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212954225U (en) |
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2020
- 2020-08-31 CN CN202021849584.7U patent/CN212954225U/en active Active
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