CN210127030U

CN210127030U - Lifting anti-collision device of crane

Info

Publication number: CN210127030U
Application number: CN201920833621.6U
Authority: CN
Inventors: 韩际峰
Original assignee: Henan Expedition Lifting Machinery Co Ltd
Current assignee: Henan Expedition Lifting Machinery Co Ltd
Priority date: 2019-06-04
Filing date: 2019-06-04
Publication date: 2020-03-06
Anticipated expiration: 2029-06-04

Abstract

The utility model belongs to the technical field of collision device, specifically be a promotion collision device of hoist, the loach carrying platform comprises a supporting fram, the support frame internal rotation is connected with the reel, the cover is equipped with the lifting rope on the reel, the lower extreme fixedly connected with couple of telescopic link, sliding sleeve is equipped with the slider on the lifting rope, fixedly connected with stopper on the lateral wall of support frame, sliding sleeve inserts in the stopper and is equipped with the gag lever post, the lower extreme of gag lever post runs through stopper and fixedly connected with installation piece, be equipped with in the installation piece and put the thing groove, it is equipped with the connecting block to put the thing inslot, all be equipped with the spread groove on putting the relative lateral wall of thing inslot, the both ends of connecting block extend to respectively in two spread grooves. The utility model discloses a setting of many limit structure reduces the nature of rocking of lifting rope, prevents that the equipment of being hoisted from receiving the collision and damaging to the security has been improved to a certain extent.

Description

Lifting anti-collision device of crane

Technical Field

The utility model relates to an anti-collision device technical field, concretely relates to promotion anti-collision device of hoist.

Background

The crane refers to a multi-action hoisting machine for vertically lifting and horizontally carrying heavy objects within a certain range, the cleaning of the crane track is that generally a hoisting hook is adopted to lift and transfer the goods to be carried, the hoisting hook is heavy in mass and comprises a hook body, a pulley and a hook, and the hoisting hook is lifted through transmission between a steel rope and the pulley.

In the field operation process, the hoisting hook is large in size and heavy in weight, and the swinging performance of the hoisting steel rope is large, so that equipment collision is easy to cause, safety accidents are easy to happen, and field equipment is easy to damage.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the prior art not enough, the lifting anti-collision device of the crane is provided, the swinging performance of the lifting rope is reduced through the arrangement of a plurality of limiting structures, the lifted equipment is prevented from being damaged due to collision, and the safety is improved to a certain extent.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a lifting anti-collision device of a crane, which comprises a support frame, wherein a winding drum is rotationally connected in the support frame, the winding drum is sleeved with a lifting rope, the lower end of the telescopic rod is fixedly connected with a hook, the lifting rope is sleeved with a sliding block in a sliding way, the outer side wall of the supporting frame is fixedly connected with a limiting block, a limiting rod is inserted in the limiting block in a sliding way, the lower end of the limiting rod penetrates through the limiting block and is fixedly connected with an installation block, an article placing groove is arranged in the installation block, the article placing groove is internally provided with a connecting block, the opposite side walls in the article placing groove are respectively provided with a connecting groove, two ends of the connecting block extend into the two connecting grooves respectively, one side of the connecting block far away from the second spring is fixedly connected with a connecting rod, the connecting rod is kept away from the one end of connecting block and runs through the installation piece and with the lateral wall fixed connection of slider, the connecting rod is sliding connection with the installation piece.

Furthermore, a groove is formed in the inner side wall of the limiting block, a ball is arranged in the groove, and the ball is abutted to the side wall of the limiting rod.

Furthermore, the limiting rod is sleeved with a supporting block in a sliding mode, the upper end of the supporting block is fixedly connected with two supporting rods, and the upper ends of the supporting rods are fixedly connected with the side wall of the lower end of the limiting block.

Furthermore, the upper end of the limiting rod is fixedly connected with an anti-falling block.

Furthermore, a first spring is sleeved on the lifting rope and is positioned between the sliding block and the hook.

Furthermore, two sliding rods are slidably inserted in the connecting block, and two ends of each sliding rod respectively penetrate through the connecting block and are fixedly connected with the opposite side walls in the connecting grooves.

(III) advantageous effects

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

1) through the lifting hook with equipment hoist, because the gag lever post slides and inserts and establish in the gag lever post, and the lifting rope is connected in the installation piece through the connecting rod to make the unable swing of lifting rope, thereby the security that improves through the setting of second spring, can play the cushioning effect, can drive the slider when the lifting rope lifts upwards, the slider passes through the connecting rod and drives the gag lever post, makes gag lever post rebound. The utility model reduces the swing of the lifting rope through the arrangement of a plurality of limiting structures, prevents the lifted equipment from being damaged by collision, and improves the safety to a certain extent;

2) simultaneously, through the setting of ball, can reduce the frictional force between gag lever post and the stopper, reduce the removal resistance, through the setting of supporting shoe, can play certain supporting role to the gag lever post, prevent that the gag lever post from swaing from side to side, through the setting of anticreep piece, can prevent that the gag lever post from droing, through the setting of first spring, can play the cushioning effect, reduce the wearing and tearing between lifting hook and the slider, through the setting of slide bar, stability when can improving the connecting block and remove.

Drawings

Fig. 1 is the utility model provides a hoist anticollision device's of hoist structure schematic diagram.

Fig. 2 is the utility model provides a hoist's promotion collision device's a department's schematic structure view.

1-support frame, 2-lifting rope, 3-winding drum, 4-limiting block, 5-anti-dropping block, 6-rolling ball, 7-support rod, 8-supporting block, 9-limiting rod, 10-sliding block, 11-first spring, 12-hook, 13-sliding rod, 14-connecting rod, 15-connecting block, 16-second spring and 17-mounting block.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1-2, a lifting anti-collision device of a crane comprises a supporting frame 1, a winding drum 3 is rotatably connected in the supporting frame 1, a lifting rope 2 is sleeved on the winding drum 3, a hook 12 is fixedly connected to the lower end of the telescopic rod 2, a slider 10 is slidably sleeved on the lifting rope 2 to drive a connecting rod 14, a limiting block 4 is fixedly connected to the outer side wall of the supporting frame 1 to prevent the limiting rod 9 from swinging left and right, a limiting rod 9 is slidably inserted in the limiting block 4 to prevent the lifting rope 2 from swinging left and right, the lower end of the limiting rod 9 penetrates through the limiting block 4 and is fixedly connected with a mounting block 17 to mount a connecting block 15, a storage groove is arranged in the mounting block 17, a connecting block 15 is arranged in the storage groove to mount the connecting rod 14, connecting grooves are arranged on the opposite side walls in the storage groove, both ends of the connecting block 15 respectively extend, the connecting rod 14 is used for connecting the sliding block 10, one end of the connecting rod 14, which is far away from the connecting block 15, penetrates through the mounting block 17 and is fixedly connected with the side wall of the sliding block 10, and the connecting rod 14 is in sliding connection with the mounting block 17.

Wherein, the inner side wall of the limiting block 4 is provided with a groove, a ball 6 is arranged in the groove, the ball 6 is abutted against the side wall of the limiting rod 9 for reducing the friction force between the limiting rod 9 and the limiting block 4 and reducing the moving resistance, the limiting rod 9 is sleeved with a supporting block 8 in a sliding way, the upper end of the supporting block 8 is fixedly connected with two supporting rods 7, the upper end of the supporting rod 7 is fixedly connected with the side wall of the lower end of the limiting block 4 for playing a certain supporting role for the limiting rod 9 and preventing the limiting rod 9 from swinging left and right, the upper end of the limiting rod 9 is fixedly connected with an anti-falling block 5 for preventing the limiting rod 9 from falling off, a first spring 11 is sleeved on the lifting rope 2, the first spring 11 is positioned between the sliding block 10 and the hook 12 for playing a buffering role and reducing the abrasion between the lifting hook 12 and the sliding block 10, two sliding rods 13 are slidably inserted in the connecting, to improve the stability of the connecting block 15 when it moves.

The utility model provides a lifting collision device of hoist, during the use, hoist equipment through lifting hook 12, because gag lever post 9 slides and inserts and establish in stopper 4, and lifting rope 2 is connected in installation piece 17 through connecting rod 14, thereby make the unable swing of lifting rope 2, thereby the security of improvement, through the setting of second spring 16, can play the cushioning effect, can drive slider 10 when lifting rope 2 upwards, slider 10 drives gag lever post 9 through connecting rod 14, make gag lever post 9 upwards remove. The utility model discloses a setting of many limit structure reduces the nature of rocking of lifting rope, prevents that the equipment of being hoisted from receiving the collision and damaging to the security has been improved to a certain extent.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.

Claims

1. A lifting anti-collision device of a crane comprises a support frame (1), and is characterized in that: the lifting rope is characterized in that a winding drum (3) is rotationally connected in the support frame (1), a lifting rope (2) is sleeved on the winding drum (3), a hook (12) is fixedly connected to the lower end of the lifting rope (2), a sliding block (10) is sleeved on the lifting rope (2), a limiting block (4) is fixedly connected to the outer side wall of the support frame (1), a limiting rod (9) is inserted in the limiting block (4) in a sliding manner, the lower end of the limiting rod (9) penetrates through the limiting block (4) and is fixedly connected with a mounting block (17), a storage groove is formed in the mounting block (17), a connecting block (15) is arranged in the storage groove, connecting grooves are formed in opposite side walls in the storage groove, two ends of the connecting block (15) extend into the two connecting grooves respectively, and a connecting rod (14) is fixedly connected to one side, far away, one end, far away from the connecting block (15), of the connecting rod (14) penetrates through the mounting block (17) and is fixedly connected with the side wall of the sliding block (10), and the connecting rod (14) is in sliding connection with the mounting block (17).

2. A lifting collision prevention device of a crane according to claim 1, characterized in that: be equipped with the recess on stopper (4) inside wall, be equipped with ball (6) in the recess, ball (6) offset with the lateral wall of gag lever post (9).

3. A lifting collision prevention device of a crane according to claim 1, characterized in that: the limiting device is characterized in that a supporting block (8) is sleeved on the limiting rod (9) in a sliding mode, two supporting rods (7) are fixedly connected to the upper end of the supporting block (8), and the upper ends of the supporting rods (7) are fixedly connected with the side wall of the lower end of the limiting block (4).

4. A lifting collision prevention device of a crane according to claim 1, characterized in that: the upper end of the limiting rod (9) is fixedly connected with an anti-falling block (5).

5. A lifting collision prevention device of a crane according to claim 1, characterized in that: a first spring (11) is sleeved on the lifting rope (2), and the first spring (11) is located between the sliding block (10) and the hook (12).

6. A lifting collision prevention device of a crane according to claim 1, characterized in that: two sliding rods (13) are slidably inserted in the connecting block (15), and two ends of each sliding rod (13) respectively penetrate through the connecting block (15) and are fixedly connected with the opposite side walls in the connecting grooves.