CN217838205U - Positioning mechanism capable of locking cantilever on ground - Google Patents
Positioning mechanism capable of locking cantilever on ground Download PDFInfo
- Publication number
- CN217838205U CN217838205U CN202221694497.8U CN202221694497U CN217838205U CN 217838205 U CN217838205 U CN 217838205U CN 202221694497 U CN202221694497 U CN 202221694497U CN 217838205 U CN217838205 U CN 217838205U
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- fixed shaft
- cantilever
- positioning plate
- spring
- cantilever crane
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Abstract
The utility model relates to a positioning mechanism capable of locking a cantilever on the ground, which comprises a positioning plate and a fixed shaft, wherein the positioning plate is fixed on the cantilever of a cantilever crane, the fixed shaft is arranged on a stand column of the cantilever crane, and the positioning plate rotates along with the cantilever of the cantilever crane; the vertical column of the cantilever crane is fixedly connected with a vertical column lower connecting plate, a fixed shaft sleeve is buckled below the vertical column lower connecting plate and fixedly connected with the vertical column lower connecting plate, the fixed shaft is arranged in the fixed shaft sleeve, the upper end of the fixed shaft penetrates through the vertical column lower connecting plate to extend out, the lower end of the fixed shaft penetrates through the fixed shaft sleeve to extend out, a spring is arranged in the fixed shaft sleeve, the spring is sleeved on the fixed shaft, the upper end of the spring is abutted against the fixed shaft, the lower end of the spring is abutted against the fixed shaft sleeve, and under the elastic force of the spring, the fixed shaft extends into a shaft hole in the positioning plate to lock the cantilever of the cantilever crane; the lower end of the fixed shaft is fixedly connected with a lifting ring screw, a steel wire rope is connected to the lifting ring screw, the steel wire rope falls to one section of the ground, and the steel wire rope is pulled to drive the fixed shaft to exit from the shaft hole in the positioning plate.
Description
Technical Field
The utility model relates to a cantilever crane, concretely relates to can lock positioning mechanism of cantilever on ground.
Background
Ordinary cantilever crane adopts self-lubricating bearing or ball bearing to realize gyration usually, and in order to guarantee to revolve lightly, gyration frictional force is all very little usually, and this also leads to certain wind load or heavy object unbalance loading to cause the cantilever to rotate by oneself, is unfavorable for the customer scene to carry out some work that require higher, for example the assembly, needs positioner to fix the cantilever this moment. The conventional positioning device adopts a bolt principle, and requires that a fixed position cannot be too high from the ground, otherwise, the positioning device cannot be operated by personnel.
Disclosure of Invention
In order to solve the above problem, the utility model provides a positioning mechanism that can lock the cantilever on ground.
The technical scheme of the utility model:
a positioning mechanism capable of locking a cantilever on the ground is arranged on a cantilever crane; the positioning mechanism comprises a positioning plate and a fixed shaft, the positioning plate is fixed on a cantilever of the cantilever crane and is provided with a plurality of shaft holes, the fixed shaft is arranged on an upright post of the cantilever crane and is opposite to the positioning plate, the positioning plate rotates along with the cantilever of the cantilever crane, and the shaft holes on the positioning plate sequentially pass through the fixed shaft; the cantilever crane is characterized in that a vertical column lower connecting plate is fixedly connected to a vertical column of the cantilever crane, a fixed shaft sleeve is buckled below the vertical column lower connecting plate and fixedly connected with the vertical column lower connecting plate, the fixed shaft is arranged in the fixed shaft sleeve, the upper end of the fixed shaft penetrates through the vertical column lower connecting plate to extend out, the lower end of the fixed shaft penetrates through the fixed shaft sleeve to extend out, a spring is arranged in the fixed shaft sleeve, the spring is sleeved on the fixed shaft, the upper end of the spring abuts against the fixed shaft, the lower end of the spring abuts against the fixed shaft, and under the elastic force of the spring, the fixed shaft extends into a shaft hole in the positioning plate to lock a cantilever of the cantilever crane; the lower end of the fixed shaft is fixedly connected with a lifting bolt, the lifting bolt is connected with a steel wire rope, the steel wire rope naturally falls to one section of the ground, the steel wire rope is pulled downwards, and the fixed shaft is driven to overcome the elasticity of the spring and exit from the shaft hole in the positioning plate.
Fixedly connected with stopper mounting panel on the stand of cantilever crane, install the stopper on the stopper mounting panel, the stopper is located the low department, and another eyebolt of its piston rod tip fixedly connected with, this eyebolt is connected with wire rope, the wire rope is dragged downwards to the stopper.
The positioning plate is disc-shaped, is coaxial with the rotation center of the cantilever crane, and is uniformly distributed with a circle of shaft holes formed by surrounding the shaft holes.
The shaft hole opening part on the positioning plate is a flared opening, and the upper end of the fixed shaft is in a conical shape.
The utility model discloses the advantage is, reasonable in design, simple structure adopts spring fit wire rope, can easily realize on ground that the fixed axle inserts or withdraw from the shaft hole on the locating plate to the locking or loosen the cantilever of cantilever crane, convenient operation.
Drawings
FIG. 1 is a schematic view of the positioning mechanism installation with the cantilever locked on the ground.
FIG. 2 is a schematic view of the positioning plate.
In the figure, a positioning plate 1, a fixed shaft 2, a cantilever 3 of a cantilever crane, an upright post 4 of the cantilever crane, an upright post lower connecting plate 5, a fixed shaft sleeve 6, a spring 7, a lifting ring screw 8, a steel wire rope 9, a brake mounting plate 10, a brake 11 and a lifting ring screw 12 are arranged.
Detailed Description
As shown in fig. 1-2, a positioning mechanism capable of locking a cantilever on the ground is installed on a cantilever crane; the positioning mechanism comprises a positioning plate 1 and a fixed shaft 2, wherein the positioning plate 1 is fixed on a cantilever 3 of the cantilever crane, a plurality of shaft holes 1-1 are formed in the positioning plate 1, the fixed shaft 2 is arranged on an upright post 4 of the cantilever crane and is opposite to the positioning plate 1, the positioning plate 1 rotates along with the cantilever 3 of the cantilever crane, and the shaft holes 1-1 in the positioning plate sequentially pass through the fixed shaft 2; a vertical column lower connecting plate 5 is fixedly connected to a vertical column 4 of the cantilever crane, a fixed shaft sleeve 6 is buckled below the vertical column lower connecting plate 5, the fixed shaft sleeve 6 is fixedly connected with the vertical column lower connecting plate 5, the fixed shaft 2 is arranged in the fixed shaft sleeve 6, the upper end of the fixed shaft penetrates through the vertical column lower connecting plate 5 to extend out, the lower end of the fixed shaft penetrates through the fixed shaft sleeve 6 to extend out, a spring 7 is arranged in the fixed shaft sleeve 6, the spring 7 is sleeved on the fixed shaft 2, the upper end of the spring is abutted against the fixed shaft 2, the lower end of the spring is abutted against the fixed shaft sleeve 6, and under the elastic force of the spring 7, the fixed shaft 2 extends into a shaft hole 1-1 in a positioning plate to lock a cantilever 3 of the cantilever crane; the lower end of the fixed shaft 2 is fixedly connected with a lifting ring screw 8, the lifting ring screw 8 is connected with a steel wire rope 9, the steel wire rope 9 naturally falls to one section of the ground, the steel wire rope 9 is pulled downwards, and the fixed shaft 2 is driven to overcome the elasticity of the spring 7 and to exit from a shaft hole 1-1 on the positioning plate;
a brake mounting plate 10 is fixedly connected to the upright column 4 of the cantilever crane, a brake 11 is mounted on the brake mounting plate 10, the brake 11 is located at a lower position, the end part of a piston rod of the brake is fixedly connected with another lifting ring screw 12, the lifting ring screw 12 is connected with a steel wire rope 9, and the brake 11 pulls the steel wire rope 9 downwards;
the positioning plate 1 is in a disc shape, is coaxial with the rotation center of the cantilever crane, and is uniformly distributed with a circle of shaft holes 11 on the positioning plate;
the opening of the shaft hole 11 on the positioning plate is flared, and the upper end of the fixed shaft 2 is conical.
The above embodiments are only for illustrating the technical concepts and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (4)
1. A positioning mechanism capable of locking a cantilever on the ground is arranged on a cantilever crane; the positioning mechanism comprises a positioning plate and a fixed shaft, the positioning plate is fixed on a cantilever of the cantilever crane and is provided with a plurality of shaft holes, the fixed shaft is arranged on an upright post of the cantilever crane and is opposite to the positioning plate, the positioning plate rotates along with the cantilever of the cantilever crane, and the shaft holes on the positioning plate sequentially pass through the fixed shaft; the cantilever crane is characterized in that a vertical column lower connecting plate is fixedly connected to a vertical column of the cantilever crane, a fixed shaft sleeve is buckled below the vertical column lower connecting plate and fixedly connected with the vertical column lower connecting plate, the fixed shaft is arranged in the fixed shaft sleeve, the upper end of the fixed shaft penetrates through the vertical column lower connecting plate to extend out, the lower end of the fixed shaft penetrates through the fixed shaft sleeve to extend out, a spring is arranged in the fixed shaft sleeve, the spring is sleeved on the fixed shaft, the upper end of the spring abuts against the fixed shaft, the lower end of the spring abuts against the fixed shaft, and under the elastic force of the spring, the fixed shaft extends into a shaft hole in the positioning plate to lock a cantilever of the cantilever crane; the lower end of the fixed shaft is fixedly connected with a lifting ring screw, a steel wire rope is connected onto the lifting ring screw, the steel wire rope naturally falls to one section of the ground, the steel wire rope is pulled downwards, and the fixed shaft is driven to overcome the elasticity of the spring and exit from the shaft hole in the positioning plate.
2. The positioning mechanism of claim 1, wherein the vertical column of the jib crane is fixedly connected with a brake mounting plate, the brake mounting plate is provided with a brake, the brake is located at a lower position, the end of the piston rod is fixedly connected with another lifting bolt, the lifting bolt is connected with the steel wire rope, and the brake pulls the steel wire rope downwards.
3. The positioning mechanism of claim 1, wherein the positioning plate is a disk shape and is coaxial with the rotation center of the cantilever crane, and the axle holes are uniformly distributed around the disk shape.
4. The positioning mechanism of claim 1, wherein the shaft hole of the positioning plate is flared, and the upper end of the fixing shaft is tapered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221694497.8U CN217838205U (en) | 2022-07-04 | 2022-07-04 | Positioning mechanism capable of locking cantilever on ground |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221694497.8U CN217838205U (en) | 2022-07-04 | 2022-07-04 | Positioning mechanism capable of locking cantilever on ground |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217838205U true CN217838205U (en) | 2022-11-18 |
Family
ID=84035789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221694497.8U Active CN217838205U (en) | 2022-07-04 | 2022-07-04 | Positioning mechanism capable of locking cantilever on ground |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217838205U (en) |
-
2022
- 2022-07-04 CN CN202221694497.8U patent/CN217838205U/en active Active
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| GR01 | Patent grant | ||
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