CN210313214U - Telescopic structure of crane - Google Patents
Telescopic structure of crane Download PDFInfo
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- CN210313214U CN210313214U CN201921382975.XU CN201921382975U CN210313214U CN 210313214 U CN210313214 U CN 210313214U CN 201921382975 U CN201921382975 U CN 201921382975U CN 210313214 U CN210313214 U CN 210313214U
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- guide rail
- driving wheel
- telescopic
- wheel
- telescopic structure
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Abstract
The utility model discloses a telescopic structure of a crane, which comprises a stand column; the steel beam is connected to the top end of the upright post; the first guide rails are symmetrically arranged at the bottom of the steel beam; the first driving wheel is arranged on the first guide rail; the balance beam is arranged right below the steel beam and is connected with the first driving wheel through the first connecting frame; the second guide rail is arranged at the lower end of the balance beam; the second driving wheel is arranged on the second guide rail; the telescopic beam is arranged below the balance beam and is connected with the second driving wheel through a second connecting frame, and the third guide rail is arranged at the lower end of the telescopic beam; the utility model discloses a telescopic structure of hoist through reforming into telescopic with the flexible KBK track of tradition, is convenient for use the restricted occasion in place, and when flexible roof beam one side extension suspended load, the opposite side supported first drive wheel and second drive wheel axletree by the roll axis that turns over of assembly, prevents that first drive wheel and second drive wheel from upwarping the problem that causes empty wheel pressure, improves the stability of load transport adjustment.
Description
Technical Field
The utility model relates to a telescopic structure of hoist belongs to hoist technical field.
Background
The bridge crane is hoisting equipment which is transversely arranged above a workshop, a warehouse and a stock yard to hoist materials; because the two ends of the bridge are positioned on a tall cement column or a metal bracket, the bridge-like shape is realized; the bridge frame of the bridge crane runs longitudinally along the rails laid on the elevated frames at the two sides, so that the space below the bridge frame can be fully utilized to hoist materials without being hindered by ground equipment; the lifting machine has the widest application range and the largest quantity.
When the existing bridge crane is used for transregional transverse conveying operation, after a corresponding procedure is generally finished on a station at one side, products are conveyed to a station at the other side by adopting another conveying mode, because the crane running tracks in each area in the prior art are fixed, when a product is transported from one side station to the other side station, another transportation mode is usually adopted to transport the product to the other side station, however, other transporting devices may cause interference to the running track of the crane and are limited by the field, all connections of the conventional flexible KBK are flexible connections and can only bear downward loads but cannot bear upward reverse loads, and the telescopic structures of some cranes in the prior art, when the telescopic beam extends to load, the empty end of the telescopic beam causes the air pressure of the driving wheel under the action of the gravity of the load, so that the stable movement of the telescopic beam is influenced, and the adjustment performance of the carrying work is poor.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a telescopic structure of crane.
The utility model discloses a telescopic structure of hoist, include
The upright post is arranged on the ground;
the steel beam is connected to the top end of the upright post;
the first guide rails are symmetrically arranged at the bottom of the steel beam;
the first driving wheel is arranged on the first guide rail;
the balance beam is arranged right below the steel beam and is connected with the first driving wheel through the first connecting frame;
the second guide rail is arranged at the lower end of the balance beam;
the second driving wheel is arranged on the second guide rail;
the telescopic beam is arranged below the balance beam and is connected with the second driving wheel through a second connecting frame,
the third guide rail is arranged at the lower end of the telescopic beam;
the hoisting device is arranged on the third guide rail;
wherein
The wheel shaft walls of the first driving wheel and the second driving wheel are rotatably connected with turning wheels, and the turning wheels connected to the wheel shaft walls of the first driving wheel and the second driving wheel respectively abut against the inner walls of the tops of the first guide rail and the second guide rail.
Further, still include spacing roof beam, spacing roof beam is connected on the stand lateral wall between girder steel and flexible roof beam, just spacing roof beam sets up on the extension direction of flexible roof beam for the restriction second drive wheel.
Furthermore, hoist device mainly comprises endless chain electric block and electric trolley, endless chain electric block links to each other with electric trolley, just endless chain electric block and electric trolley all set up on the third guide rail.
Further, the turning wheels are respectively connected with the wheel shafts of the first driving wheel and the second driving wheel in a rotating mode through bearings.
Further, the telescopic beam and the balance beam are parallel to each other.
Further, the stand is square tubular construction.
Compared with the prior art, the telescopic structure of the crane of the utility model lifts the product to be carried by the endless chain electric hoist arranged on the third guide rail, the telescopic beam is driven by controlling the second driving wheel to move towards the direction of the limit beam, the limit beam prevents the second driving wheel from sliding out of the second guide rail, the carrying function of the product is realized, the no-load end of the telescopic beam has the tendency of upwarping due to the gravity of the load end of the telescopic beam in the process of driving the telescopic beam to move by the second driving wheel, the overturning roller is connected with the inner wall at the top of the second guide rail by the rotation of the axle wall of the wheel axle of the second driving wheel close to the no-load end of the telescopic beam, the problem that the no-load end of the telescopic beam upwarps under the gravity action of the load end of the telescopic beam is suppressed, thereby avoiding the problem of the idle wheel pressure of the second driving wheel, and improving the stability of the product, meanwhile, upwarp force of one end, far away from the load of the telescopic beam, of the balance beam is offset by a rolling wheel rotatably connected to the axle wall of the wheel shaft of the first driving wheel, the motion stability of the first driving wheel on the first guide rail is improved, the electric trolley is combined to drive the electric chain hoist to move along the third guide rail, and a lifted product can be conveniently and stably conveyed to a designated station.
Drawings
Fig. 1 is a schematic structural view of the telescopic beam of the present invention in a contracted state.
Fig. 2 is a schematic structural view of the extension beam of the present invention.
Fig. 3 is a front view of the present invention.
Fig. 4 is a schematic view of the connection structure of the rolling shaft according to the present invention.
The parts in the drawings are marked as follows: 1. a column; 2. a steel beam; 3. a first guide rail; 4. a first drive wheel; 5. turning over the roller; 6. a balance beam; 7. a second guide rail; 8. a second drive wheel; 9. a first connecting frame; 10. a telescopic beam; 11. a third guide rail; 12. a limiting beam; 13. a chain electric hoist; 14. an electric trolley; 15. and a bearing.
Detailed Description
The telescopic structure of the crane shown in figures 1 to 4 comprises
The upright column 1 is arranged on the ground;
the steel beam 2 is connected to the top end of the upright post 1;
the first guide rails 3 are symmetrically arranged at the bottom of the steel beam 2;
a first drive wheel 4 provided on the first rail 3;
the balance beam 6 is arranged right below the steel beam 2 and is connected with the first driving wheel 4 through a first connecting frame 9;
the second guide rail 7 is arranged at the lower end of the balance beam 6;
a second drive wheel 8 provided on the second rail 7;
a telescopic beam 10 arranged below the balance beam 6 and connected with the second driving wheel 8 through a second connecting frame,
the third guide rail 11 is arranged at the lower end of the telescopic beam 10;
the hoisting device is arranged on the third guide rail 11;
wherein
The wheel shaft walls of the first driving wheel 4 and the second driving wheel 8 are rotatably connected with a turning wheel 5, and the turning wheels 5 connected to the wheel shaft walls of the first driving wheel 4 and the second driving wheel 8 are respectively abutted against the inner walls of the tops of the first guide rail 3 and the second guide rail 7.
Still include spacing roof beam 12, spacing roof beam 12 is connected on 1 lateral wall of stand between girder steel 2 and flexible roof beam 10, and spacing roof beam 12 sets up on the extension direction of flexible roof beam 10 for restrict second drive wheel 8.
The hoisting device mainly comprises a chain electric hoist 13 and an electric trolley 14, the chain electric hoist 13 is connected with the electric trolley 14, and the chain electric hoist 13 and the electric trolley 14 are both arranged on the third guide rail 11.
The tumble wheel 5 is rotatably connected to the wheel shafts of the first drive wheel 4 and the second drive wheel 8, respectively, by means of bearings 15.
The telescopic beam 10 and the balance beam 6 are parallel to each other.
The upright post 1 is of a square tube structure.
The working principle is as follows: when the lifting device is used, a product to be carried is lifted by the endless chain electric hoist 13 arranged on the third guide rail 11, the second driving wheel 8 is controlled to drive the telescopic beam 10 to move towards the direction of the limiting beam 12, the limiting beam 12 prevents the second driving wheel 8 from sliding out of the second guide rail 7, the carrying function of the product is realized, in the process that the second driving wheel 8 drives the telescopic beam 10 to move, the no-load end of the telescopic beam 10 tends to be upwards tilted by the gravity of the load end of the telescopic beam 10, the overturning roller 5 is rotatably connected with the inner wall of the top of the second guide rail 7 by the wheel shaft wall of the second driving wheel 8 close to the no-load end of the telescopic beam 10 to be propped against the inner wall of the top of the second guide rail 7, the problem that the no-load end of the telescopic beam 10 is upwards tilted under the gravity action of the load end of the telescopic beam 10 is solved, the problem of the idle wheel pressure of the second, the upwarp power of the one end of the balance beam 6 far away from the load of the telescopic beam 10 is offset by the rolling wheel 5 rotatably connected to the axle wall of the wheel shaft of the first driving wheel 4, so that the motion stability of the first driving wheel 4 at the first guide rail 3 is improved, and the electric trolley 14 is combined to drive the electric chain hoist 13 to move along the third guide rail 11, so that a lifted product can be stably conveyed to a designated station.
The above-mentioned embodiment is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles of the present invention are included in the claims of the present invention.
Claims (6)
1. A telescopic structure of a crane is characterized in that: comprises that
The upright post (1) is arranged on the ground;
the steel beam (2) is connected to the top end of the upright post (1);
the first guide rails (3) are symmetrically arranged at the bottoms of the steel beams (2);
a first drive wheel (4) arranged on the first guide rail (3);
the balance beam (6) is arranged right below the steel beam (2) and is connected with the first driving wheel (4) through a first connecting frame (9);
the second guide rail (7) is arranged at the lower end of the balance beam (6);
a second drive wheel (8) arranged on the second guide rail (7);
a telescopic beam (10) arranged below the balance beam (6) and connected with a second driving wheel (8) through a second connecting frame,
the third guide rail (11) is arranged at the lower end of the telescopic beam (10);
the hoisting device is arranged on the third guide rail (11);
wherein
The wheel shaft walls of the first driving wheel (4) and the second driving wheel (8) are rotatably connected with turning wheels (5), and the turning wheels (5) connected to the wheel shaft walls of the first driving wheel (4) and the second driving wheel (8) respectively abut against the inner walls of the tops of the first guide rail (3) and the second guide rail (7).
2. The telescopic structure of a crane according to claim 1, characterized in that: still include spacing roof beam (12), spacing roof beam (12) are connected on stand (1) lateral wall between girder steel (2) and flexible roof beam (10), just spacing roof beam (12) set up on the extension direction of flexible roof beam (10) for restrict second drive wheel (8).
3. The telescopic structure of a crane according to claim 2, characterized in that: the hoisting device mainly comprises a chain electric hoist (13) and an electric trolley (14), wherein the chain electric hoist (13) is connected with the electric trolley (14), and the chain electric hoist (13) and the electric trolley (14) are both arranged on a third guide rail (11).
4. The telescopic structure of a crane according to any one of claims 1 to 3, wherein: the turning roller (5) is respectively connected with the wheel shafts of the first driving wheel (4) and the second driving wheel (8) in a rotating way through bearings (15).
5. The telescopic structure of a crane according to claim 4, wherein: the telescopic beam (10) and the balance beam (6) are parallel to each other.
6. The telescopic structure of a crane according to any one of claims 1 to 3, wherein: the upright post (1) is of a square tube structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921382975.XU CN210313214U (en) | 2019-08-23 | 2019-08-23 | Telescopic structure of crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921382975.XU CN210313214U (en) | 2019-08-23 | 2019-08-23 | Telescopic structure of crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210313214U true CN210313214U (en) | 2020-04-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921382975.XU Active CN210313214U (en) | 2019-08-23 | 2019-08-23 | Telescopic structure of crane |
Country Status (1)
| Country | Link |
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| CN (1) | CN210313214U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110386556A (en) * | 2019-08-23 | 2019-10-29 | 江阴帕沃特起重机械有限公司 | A kind of telescopic structure of crane |
| RU2814140C1 (en) * | 2023-09-21 | 2024-02-22 | Акционерное общество "Государственный ракетный центр имени академика В.П. Макеева" | Method for lifting load onto overhead crane |
-
2019
- 2019-08-23 CN CN201921382975.XU patent/CN210313214U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110386556A (en) * | 2019-08-23 | 2019-10-29 | 江阴帕沃特起重机械有限公司 | A kind of telescopic structure of crane |
| RU2814140C1 (en) * | 2023-09-21 | 2024-02-22 | Акционерное общество "Государственный ракетный центр имени академика В.П. Макеева" | Method for lifting load onto overhead crane |
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