CN216072772U

CN216072772U - Wind-proof device for gantry crane

Info

Publication number: CN216072772U
Application number: CN202122246886.6U
Authority: CN
Inventors: 陶涛
Original assignee: Hubei Huarui Building Materials Technology Co ltd
Current assignee: Hubei Huarui Building Materials Technology Co ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-03-18
Anticipated expiration: 2031-09-16

Abstract

The utility model discloses a windproof device for a gantry crane, relates to the technical field of gantry cranes, and aims to solve the problem that a transverse beam at the top of the conventional gantry crane in the prior art is influenced by wind resistance when the conventional gantry crane encounters crosswind weather, so that the gravity center of the whole gantry structure is influenced, and the crane turns over. The bottom of longmen draw bridge is provided with the bottom bridge, and bottom bridge and longmen draw bridge set up to integral type structure, longmen draw bridge all is provided with the metal guardrail all around, and metal guardrail and longmen draw bridge welded connection, the both ends of bottom bridge below all are provided with firm crane span structure, and firm crane span structure and bottom bridge welded connection, the bottom of firm crane span structure is provided with the chain wheel sliding shaft, and the chain wheel sliding shaft passes through bolted connection with firm crane span structure, the below of firm crane span structure is provided with the removal frame, and the top of removing the frame is provided with the translation spout, the chain wheel sliding shaft passes through translation spout and removal frame sliding connection.

Description

Wind-proof device for gantry crane

Technical Field

The utility model relates to the technical field of gantry cranes, in particular to a windproof device of a gantry crane.

Background

The portal crane is a bridge crane with a bridge frame supported on a ground track through supporting legs at two sides, and structurally comprises a portal frame, a cart running mechanism, a hoisting trolley, an electric part and the like.

However, when the existing portal crane encounters crosswind weather, the top beam is affected by wind resistance, so that the center of gravity of the whole portal structure is affected, and the crane is caused to turn on its side; therefore, the existing requirements are not met, and the windproof device of the gantry crane is provided for the requirement.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a wind-proof device of a gantry crane, which aims to solve the problem that when the existing gantry crane in the background art meets crosswind weather, a cross beam at the top is influenced by wind resistance, so that the gravity center of the whole gantry structure is influenced, and the crane turns over.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a gantry crane safety device against wind, includes the gantry crane bridge, the bottom of gantry crane bridge is provided with the bottom bridge, and bottom bridge and gantry crane bridge set up to integral type structure, all be provided with the metal guardrail around the gantry crane bridge, and metal guardrail and gantry crane bridge welded connection, the both ends of bottom bridge below all are provided with firm crane span structure, and firm crane span structure and bottom bridge welded connection, the bottom of firm crane span structure is provided with the chain sliding shaft, and the chain sliding shaft passes through bolted connection with firm crane span structure, the below of firm crane span structure is provided with the moving vehicle frame, and the top of moving vehicle frame is provided with the translation spout, the chain sliding shaft passes through translation spout and moving vehicle frame sliding connection.

Preferably, the two ends of the gantry crane bridge are both provided with gravity center hinge boxes, the gravity center hinge boxes are connected with the gantry crane bridge through bolts, and one end of each gravity center hinge box is provided with a driving motor.

Preferably, the inside of the gravity center twisting box is provided with a retractable shaft wheel which is rotatably connected with the gravity center twisting box, a counterweight metal block is arranged below the gravity center twisting box, and a lifting cable is arranged between the counterweight metal block and the gravity center twisting box.

Preferably, the lifting cable is connected with the counterweight metal block through a screw, and the lifting cable is rotatably connected with the take-up and pay-off shaft wheel.

Preferably, locking screw holes are formed in the periphery of the top of the counterweight metal block, and locking bolts are arranged inside the locking screw holes.

Preferably, the bottom of the moving frame is provided with a plurality of pulley grooves, and the inside of the pulley grooves is provided with a track pulley which is rotatably connected with the pulley grooves.

Compared with the prior art, the utility model has the beneficial effects that:

1. the bottom parts of the stable bridge frames at the two ends of the gantry crane bridge are respectively provided with a group of moving frame structures, the moving function can be realized between the stable bridge frames and the moving frame through the gear chain sliding shaft and the moving sliding chute, when crosswind weather occurs, the wind direction is judged firstly, and then the stable bridge frames are controlled to move towards the upwind direction, so that the length of a stress arm of the whole crane can be prolonged, and the crane bridge is prevented from side turning;

2. the gravity center winch box and the counterweight metal block are arranged at two ends of the gantry crane bridge and connected through the lifting cable, the counterweight metal block can be arranged below the crane bridge through the motor matched with the retractable shaft wheel in the crosswind weather condition, the gravity center of the whole bridge is reduced, and the counterweight metal block can be fixed at two ends of the gantry crane bridge through the locking screw hole in the top and the bolt under the condition of nonuse, so that the stability of the counterweight block is guaranteed.

Drawings

FIG. 1 is an overall front view of the present invention;

FIG. 2 is a schematic structural view of a traveling carriage according to the present invention;

fig. 3 is an enlarged schematic view of the structure at a of the present invention.

In the figure: 1. a gantry crane bridge; 2. a bottom bridge; 3. a metal guardrail; 4. stabilizing the bridge frame; 5. moving the frame; 6. a toothed chain sliding shaft; 7. a translation chute; 8. a gravity center twisting box; 9. a drive motor; 10. a counterweight metal block; 11. pulling the cable; 12. locking the screw hole; 13. retracting and releasing the shaft wheel; 14. a pulley groove; 15. a track pulley.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-2, an embodiment of the present invention is shown: a gantry crane windproof device comprises a gantry crane bridge 1, wherein the bottom of the gantry crane bridge 1 is provided with a bottom bridge 2, the bottom bridge 2 and the gantry crane bridge 1 are arranged into an integral structure, metal guardrails 3 are arranged around the gantry crane bridge 1, the metal guardrails 3 are welded with the gantry crane bridge 1, two ends below the bottom bridge 2 are respectively provided with a stable bridge 4, the stable bridge 4 is welded with the bottom bridge 2, the bottom of the stable bridge 4 is provided with a toothed chain sliding shaft 6, the toothed chain sliding shaft 6 is connected with the stable bridge 4 through bolts, a movable frame 5 is arranged below the stable bridge 4, the top of the movable frame 5 is provided with a translation chute 7, the toothed chain sliding shaft 6 is connected with the movable frame 5 through the translation chute 7 in a sliding manner, the bottom of the movable frame 5 is provided with a plurality of pulley grooves 14, and a plurality of pulley grooves 14 are arranged inside the pulley grooves 14, a track pulley 15 is arranged, track pulley 15 rotates with pulley groove 14 to be connected, a set of moving vehicle frame 5 structure is installed respectively to the firm crane span structure 4 bottom at gantry crane bridge 1 both ends, can control the horizontal migration operation of whole hoist through moving vehicle frame 5 under the state of normal use, can also realize the removal function through chain gear smooth axle 6 and translation spout 7 between firm crane span structure 4 and the moving vehicle frame 5 simultaneously, when meetting crosswind weather, at first judge the wind direction, control firm crane span structure 4 afterwards and remove to the contrary wind direction, can prolong the atress arm length of whole hoist like this, prevent that the crane bridge from taking place to turn on one's side.

Referring to fig. 3, the gantry crane 1 is provided with gravity center twisting boxes 8 at both ends, the gravity center twisting boxes 8 are connected with the gantry crane 1 through bolts, one end of the gravity center twisting box 8 is provided with a driving motor 9, the gravity center twisting box 8 is internally provided with a retractable shaft wheel 13, the retractable shaft wheel 13 is rotatably connected with the gravity center twisting box 8, a counterweight metal block 10 is arranged below the gravity center twisting box 8, a lifting cable 11 is arranged between the counterweight metal block 10 and the gravity center twisting box 8, the lifting cable 11 is connected with the counterweight metal block 10 through screws, the lifting cable 11 is rotatably connected with the retractable shaft wheel 13, locking screw holes 12 are arranged around the top of the counterweight metal block 10, locking bolts are arranged inside the locking metal block 12, the gantry crane 1 is provided with the gravity center twisting box 8 and the counterweight metal block 10, the lifting cable 11 is connected between the counterweight metal block and the counterweight metal block 10, the counterweight metal block 10 can be placed below through the motor matching with the retractable shaft wheel 13 in a cross wind weather condition, therefore, the gravity center of the whole bridge is lowered, and the counterweight metal block 10 can be fixed at two ends of the gantry crane bridge 1 through the locking screw hole 12 at the top and the bolt under the condition of nonuse, so that the stability of the counterweight block is guaranteed.

The working principle is as follows: the bottom of a stable bridge frame 4 at two ends of a gantry crane bridge 1 is respectively provided with a group of moving frame 5 structures, the horizontal moving operation of the whole crane can be controlled by the moving frame 5 in a normal use state, meanwhile, the moving function can be realized by a toothed chain sliding shaft 6 and a moving sliding chute 7 between the stable bridge frame 4 and the moving frame 5, when crosswind weather occurs, firstly, the wind direction is judged, then, the stable bridge frame 4 is controlled to move towards the upwind direction, so that the length of a stress arm of the whole crane can be prolonged, the crane bridge is prevented from turning over, the two ends of the gantry crane bridge 1 are provided with a gravity center hinge box 8 and a counterweight metal block 10, the two ends are connected by a lifting cable 11, the counterweight metal block 10 can be placed below through a motor matched with a retracting shaft wheel 13 under the crosswind weather condition, the gravity center of the whole bridge is reduced, and the counterweight metal block 10 can be fixed on the gantry crane bridge 1 through a locking screw hole 12 at the top and a bolt under the condition of nonuse And the stability of the balancing weight is guaranteed at two ends.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a gantry crane safety device against wind, includes gantry crane bridge (1), its characterized in that: the bottom of gantry crane bridge (1) is provided with bottom bridge (2), and bottom bridge (2) and gantry crane bridge (1) set up to integral type structure, all be provided with metal guardrail (3) around gantry crane bridge (1), and metal guardrail (3) and gantry crane bridge (1) welded connection, the both ends of bottom bridge (2) below all are provided with firm crane span structure (4), and firm crane span structure (4) and bottom bridge (2) welded connection, the bottom of firm crane span structure (4) is provided with chain sliding shaft (6), and chain sliding shaft (6) and firm crane span structure (4) pass through bolted connection, the below of firm crane span structure (4) is provided with moving vehicle frame (5), and the top of moving vehicle frame (5) is provided with translation spout (7), chain sliding shaft (6) pass through translation spout (7) and moving vehicle frame (5) sliding connection.

2. The wind guard device for gantry crane according to claim 1, wherein: the gantry crane is characterized in that gravity center twisting boxes (8) are arranged at two ends of the gantry crane (1), the gravity center twisting boxes (8) are connected with the gantry crane (1) through bolts, and a driving motor (9) is arranged at one end of each gravity center twisting box (8).

3. A gantry crane wind guard according to claim 2, wherein: the gravity center twisting box is characterized in that a retractable shaft wheel (13) is arranged inside the gravity center twisting box (8), the retractable shaft wheel (13) is rotatably connected with the gravity center twisting box (8), a counterweight metal block (10) is arranged below the gravity center twisting box (8), and a lifting cable (11) is arranged between the counterweight metal block (10) and the gravity center twisting box (8).

4. A gantry crane wind guard according to claim 3, wherein: the lifting cable (11) is connected with the counterweight metal block (10) through a screw, and the lifting cable (11) is rotatably connected with the retracting shaft wheel (13).

5. A gantry crane wind guard according to claim 3, wherein: locking screw holes (12) are formed in the periphery of the top of the counterweight metal block (10), and locking bolts are arranged inside the locking screw holes (12).

6. The wind guard device for gantry crane according to claim 1, wherein: the bottom of the movable frame (5) is provided with a plurality of pulley grooves (14), the pulley grooves (14) are provided with a plurality of rail pulleys (15), and the rail pulleys (15) are rotatably connected with the pulley grooves (14).