CN210884987U

CN210884987U - Bridge crane girder box structure

Info

Publication number: CN210884987U
Application number: CN201921459641.8U
Authority: CN
Inventors: 孙校
Original assignee: Laiwu Yulu Hoisting Machinery Co Ltd
Current assignee: Shandong Yulu Lifting Machinery Co.,Ltd.
Priority date: 2019-09-04
Filing date: 2019-09-04
Publication date: 2020-06-30
Anticipated expiration: 2029-09-04

Abstract

The utility model discloses a bridge crane girder box structure, a pulley is embedded in the track, a rolling column is connected with the track through the pulley, a heavy object rope is wound on the surface of the rolling column, one end of the heavy object rope, which is far away from the rolling column, is fixedly connected with a main hook, one side of the rolling column is provided with a shock absorber, one side of a support frame is provided with a fixed block A, and the other side of the support frame is provided with a fixed block B; has the advantages that: when the device is used, the motor set drives the rolling column to enable the weight rope to drive the main hook to descend, the weight needing to be lifted is fixed, then the weight is lifted, the main hook can be driven to move left and right under the action of the pulley and the rail, the influence of vibration on the weight can be reduced under the action of the shock absorber, the distance of the movement of the main hook is measured through the distance sensor and the distance sensor transceiver, the next-step operation is facilitated, and some small objects can be lifted through the auxiliary hook and the rotating column.

Description

Bridge crane girder box structure

Technical Field

The utility model relates to a hoist technical field particularly, relates to a bridge crane girder box structure.

Background

The bridge crane is a hoisting device which is transversely arranged above workshops, warehouses and stockyards to hoist materials. Since its two ends are seated on a tall concrete column or a metal bracket, it is shaped like a bridge. The bridge frame of the bridge crane runs longitudinally along the rails laid on the elevated frames at 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. The hoisting equipment has the working characteristics of intermittent movement, namely corresponding mechanisms for taking materials, transporting, unloading and the like in one working cycle alternately work, so that the development and the use of the crane on the market are more and more extensive. Because the weight is lifted without the supporting legs and the lifted weight is frequently used for driving, the driving speed is higher than that of a crawler crane (crawler crane); the operation is stable, the lifting capacity is large, the lifting can be carried out within a specific range, but the road is required to be smooth and firm, the tire air pressure meets the requirement, and the lifting distance from the ground is not more than 50 CM; long distance walking with load is prohibited. In order to ensure the operation safety, the lifting operation without landing legs is basically forbidden in China at present. The crane is matched with steel wire ropes of various types including phosphated coated steel wire ropes, galvanized steel wire ropes and polished steel wire ropes.

The general bridge crane has less use functions and is troublesome to use.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bridge crane girder box structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a bridge crane girder box structure comprises a distance sensor, a control switch board, a motor set, a display screen and a hoisting device, wherein the hoisting device comprises a rolling column, a support frame and a track, the lower end of the side surface of the support frame is fixedly connected with the track, a pulley is embedded in the track, the rolling column is connected with the track through the pulley, a weight rope is wound on the surface of the rolling column, one end of the weight rope, which is far away from the rolling column, is fixedly connected with a main hook, one side of the rolling column is provided with a shock absorber, one side of the support frame is provided with a fixed block A, the other side of the support frame is provided with a fixed block B, the fixed block A and the fixed block B are connected with the support frame through rotating wheels, the bottom of the fixed block A and the bottom of the fixed block B are fixedly connected with support rods, and the side surface of, the surface of the rotating column is wound with a lifting rope, and one end of the lifting rope, which is far away from the rotating wheel, is fixedly connected with an auxiliary hook.

Preferably, the upper end of the side surface of the support frame is fixedly connected with a motor set through a screw nut, and the side surface of the fixing block B is fixedly connected with a distance sensor.

Preferably, one end of the rolling column, which is far away from the shock absorber, is fixedly connected with a distance sensor transceiver, and the distance sensor transceiver is connected with the distance sensor through signals.

Preferably, the bottom of the supporting rod is fixedly connected with a moving wheel, and the surface of the moving wheel is fixedly connected with a brake device.

Preferably, the distance sensor is connected with the display screen through signals, and the control switch board is electrically connected with the motor set and the distance sensor.

Preferably, the motor set is connected with the rotating wheel, the rolling column, the rotating column and the pulley through a coupler.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the whole device is moved to a construction site under the action of the moving wheels, the whole device is fixed through the brake device after arriving at a specified place, and when a pit is formed in the construction site and the span is large, the two support rods are opened under the action of the rotating wheels, so that the fixing is facilitated;

(2) when the heavy object lifting device is used, the motor set drives the rolling column to enable the heavy object rope to drive the main hook to descend, the heavy object to be lifted is fixed, then the heavy object is lifted, the main hook can be driven to move left and right through the action of the pulley and the track, the influence of vibration on the heavy object can be reduced, the distance of the movement of the main hook is measured through the distance sensor and the distance sensor transceiver, the operation on the next step is facilitated, and small objects can be lifted through the auxiliary hook and the rotating column.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a main beam box structure of a bridge crane according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a rolling column of a main beam box structure of a bridge crane according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a support rod in a box structure of a main beam of a bridge crane according to an embodiment of the present invention.

Reference numerals: 1. a support frame; 2. a track; 3. a motor unit; 4. a rotating wheel; 5. rotating the column; 6. lifting a rope; 7. a fixed block A; 8. a secondary hook; 9. a support bar; 10. a display screen; 11. a brake device; 12. a moving wheel; 13. a shock absorber; 14. a rolling post; 15. a weight rope; 16. a main hook; 17. a distance sensor; 18. a fixed block B; 19. a control switch board; 20. a pulley.

Detailed Description

The following description of the preferred embodiments of the present invention will be made with reference to the accompanying drawings:

referring to fig. 1-3, a main beam box structure of a bridge crane according to an embodiment of the present invention includes a distance sensor 17, a control switch board 19, a motor unit 3, a display screen 10 and a hoisting device, wherein the hoisting device includes a rolling column 14, a support frame 1 and a rail 2, the lower end of the side surface of the support frame 1 is fixedly connected with the rail 2, a pulley 20 is embedded inside the rail 2, the rolling column 14 is connected with the rail 2 through the pulley 20, a weight rope 15 is wound on the surface of the rolling column 14, a main hook 16 is fixedly connected to one end of the weight rope 15 far away from the rolling column 14, a shock absorber 13 is disposed on one side of the rolling column 14, a fixing block a7 is disposed on one side of the support frame 1, a fixing block B18 is disposed on the other side of the support frame 1, the fixing block a7, the fixing block B18 and the support frame 1 through a rotating wheel 4, the fixed block A7 with the bottom fixedly connected with bracing piece 9 of fixed block B18, fixed block A7 with the side surface fixedly connected with of fixed block B18 rotates post 5, the surface of rotating post 5 is twined and is had lifting rope 6, lifting rope 6 keeps away from the vice 8 of colluding of one end fixedly connected with of rotating wheel 4.

By the above scheme of the utility model, the whole device is moved to the construction site by the action of the moving wheel 12, and is fixed by the brake device 11 after arriving at the designated place, when the construction site has a deep pit and a large span, the two support rods 9 are opened under the action of the rotating wheels 4, so that the fixing is convenient, when in use, the motor group 3 drives the rolling column 14 to enable the weight rope 15 to drive the main hook 16 to descend, the weight needing to be lifted is fixed, then the weight is lifted, the main hook 16 can be driven to move left and right through the action of the pulley 20 and the track 2, the effect of the shock absorber 13 can reduce the influence of the shock on the heavy object, the distance of the movement of the main hook 16 detected by the distance sensor 17 and the distance sensor transceiver is displayed on the display screen 10, the next operation is convenient, and some small objects can be lifted up through the auxiliary hook 8 and the rotating column 5.

When specifically using, screw nut fixedly connected with motor group 3 is passed through to the side surface upper end of support frame 1, the side surface fixedly connected with distance sensor 17 of fixed block B18, the column 14 that rolls is kept away from the one end fixedly connected with distance sensor transceiver of bumper shock absorber 13, distance sensor transceiver with distance sensor 17 signal links to each other, the bottom fixedly connected with of bracing piece 9 removes wheel 12, the fixed surface that removes wheel 12 is connected with brake equipment 11, distance sensor 17 with display screen 10 signal links to each other, control switch board 19 with motor group 3 distance sensor 17 electrical property links to each other, motor group 3 with rotate wheel 4 the column 14 rotate the column 5 pulley 20 is connected through the shaft coupling.

In conclusion, by means of the technical scheme of the utility model, the whole device is moved to the construction site by the action of the moving wheel 12, and is fixed by the brake device 11 after reaching the designated place, when the construction site has a deep pit and a large span, the two support rods 9 are opened under the action of the rotating wheels 4, so that the fixing is convenient, when in use, the motor group 3 drives the rolling column 14 to enable the weight rope 15 to drive the main hook 16 to descend, the weight needing to be lifted is fixed, then the weight is lifted, the main hook 16 can be driven to move left and right through the action of the pulley 20 and the track 2, the effect of the shock absorber 13 can reduce the influence of the shock on the heavy object, the distance of the movement of the main hook 16 detected by the distance sensor 17 and the distance sensor transceiver is displayed on the display screen 10, the next operation is convenient, and some small objects can be lifted up through the auxiliary hook 8 and the rotating column 5.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The bridge crane girder box structure is characterized by comprising a distance sensor (17), a control switch board (19), a motor set (3), a display screen (10) and a hoisting device, wherein the hoisting device comprises a rolling column (14), a support frame (1) and a track (2), the lower end of the side surface of the support frame (1) is fixedly connected with the track (2), a pulley (20) is embedded in the track (2), the rolling column (14) is connected with the track (2) through the pulley (20), a weight rope (15) is wound on the surface of the rolling column (14), one end, far away from the rolling column (14), of the weight rope (15) is fixedly connected with a main hook (16), a shock absorber (13) is arranged on one side of the rolling column (14), a fixing block A (7) is arranged on one side of the support frame (1), the opposite side of support frame (1) is provided with fixed block B (18), fixed block A (7) fixed block B (18) through rotate round (4) with support frame (1), fixed block A (7) with bottom fixedly connected with bracing piece (9) of fixed block B (18), fixed block A (7) with the side surface fixedly connected with of fixed block B (18) rotates post (5), the surface winding of rotating post (5) has lifting rope (6), lifting rope (6) are kept away from the vice (8) of colluding of one end fixedly connected with of rotating round (4).

2. The bridge crane girder box structure according to claim 1, wherein the motor unit (3) is fixedly connected to the upper end of the side surface of the supporting frame (1) through screws and nuts, and the distance sensor (17) is fixedly connected to the side surface of the fixing block B (18).

3. A bridge crane girder box structure according to claim 1, wherein a distance sensor transceiver is fixedly connected to an end of the rolling column (14) remote from the shock absorber (13), and the distance sensor transceiver is in signal connection with the distance sensor (17).

4. The main beam box structure of the bridge crane according to claim 1, characterized in that the bottom of the support rod (9) is fixedly connected with a movable wheel (12), and the surface of the movable wheel (12) is fixedly connected with a brake device (11).

5. The bridge crane girder box structure according to claim 1, wherein the distance sensor (17) is in signal connection with the display screen (10), and the control switch board (19) is electrically connected with the motor unit (3) and the distance sensor (17).

6. The bridge crane girder box structure according to claim 1, wherein the motor set (3) is connected with the rotating wheel (4), the rolling column (14), the rotating column (5) and the pulley (20) through couplings.