CN212024578U

CN212024578U - Crane anti-collision impact braking device based on rail clamping principle

Info

Publication number: CN212024578U
Application number: CN202020475864.XU
Authority: CN
Inventors: 邓志华; 颜朝友; 许竞; 张冲; 吴晓梅; 廖静云
Original assignee: Fujian Special Equipment Inspection and Research Institute
Current assignee: Fujian Special Equipment Inspection and Research Institute
Priority date: 2020-04-03
Filing date: 2020-04-03
Publication date: 2020-11-27
Anticipated expiration: 2030-04-03

Abstract

The utility model provides a hoist anticollision dashes arresting gear based on double-layered rail principle, including a hollow box body and a first rope of installing at crane cart end beam and open lower surface, the rear surface upper end left and right sides all is provided with first fixed pulley in the hollow box body, hollow box body left surface upper end is provided with spring damper, and the spring damper end extends to in the hollow box body, the spring damper end is provided with the second fixed pulley, first rope one end is fixed to be set up in hollow box body left surface, and the first rope is located the spring damper lower extreme, the first rope is in proper order around second fixed pulley, left side first fixed pulley and right side first fixed pulley, hollow box body right side lower extreme is provided with the frame, be provided with head rod and second connecting rod in the frame; the utility model discloses simple structure can play the braking effect of crane cart through the effect that presss from both sides tight track when two cars collide.

Description

Crane anti-collision impact braking device based on rail clamping principle

Technical Field

The utility model relates to a hoist technical field, especially a hoist anticollision dashes arresting gear based on press from both sides rail principle.

Background

At many factory buildings and open-air storage yards of enterprises, because the work needs, often install many cranes on same track, these cranes of same span, although be provided with anticollision buffer and prevent bumping stop device, but the crane is often because crashproof spacing inefficacy and cart stopper adjustment are improper, when the cart speed is too fast, inertia is too big, lead to two hoist bump accidents, or the hoist directly strikes the track tip, not only can damage the hoist, serious even take place the casualty accident, especially when hanging the heavy object, the heavy object rocks easily and takes place the unhook and fall, cause serious economic loss, equally to the hoist that has two dollies, the dolly collision also causes the accident easily.

In order to solve the collision accident between cranes or the collision accident between a crane and a track end in the prior art, most of the prior art adopts a method for installing anti-collision systems, and the anti-collision systems are usually in a mechanical structure form, can only relieve the impact force when the cranes collide, and cannot fundamentally solve the collision problem.

Disclosure of Invention

In view of this, the utility model aims at providing a can play the hoist anticollision impact brake device that the braking effect of crane cart was stopped to effect through the effect that presss from both sides tight track when two cars collide.

The utility model discloses a following method realizes: the utility model provides a hoist anticollision dashes arresting gear based on press from both sides rail principle which characterized in that: the crane comprises a hollow box body and a first rope, wherein the hollow box body is arranged at an end beam of a crane cart, the lower surface of the hollow box body is open, the left side and the right side of the upper end of the inner rear surface of the hollow box body are respectively provided with a first fixed pulley, the upper end of the left side surface of the hollow box body is provided with a spring buffer, the tail end of the spring buffer extends into the hollow box body, the tail end of the spring buffer is provided with a second fixed pulley, one end of the first rope is fixedly arranged at the left side surface in the hollow box body, the first rope is positioned at the lower end of the spring buffer, the first rope sequentially bypasses the second fixed pulley, the left first fixed pulley and the right first fixed pulley, the lower end of the right side in the hollow box body is provided with a frame, a first connecting rod and a second connecting rod are arranged in the frame, the first connecting rod and the second connecting, the second rope with first rope middle part is connected, the head rod with the terminal clamping plate that all extends of second connecting rod is provided with and is used for pressing from both sides tight orbital, be provided with first spring between the clamping plate upper end.

Further, spring buffer includes the fixed plate, the fixed plate is fixed through first connecting bolt cavity box body left surface upper end, the fixed plate middle part is passed and is provided with the center pin, both ends all are provided with about the center pin periphery lateral wall and avoid the center pin breaks away from the locator card of cavity box body, just the locator card be located in the cavity box body, the center pin left end is provided with a buffer block, just the buffer block with the center pin sets up perpendicularly, the cover is equipped with the second spring on the center pin, just the second spring set up in the buffer block with between the fixed plate, the second fixed pulley fixed set up in the center pin is terminal.

Furthermore, a silica gel sheet used for increasing friction is arranged on the inner side surface of the clamping plate.

The beneficial effects of the utility model reside in that: the spring buffer is added in the device, so that when the crane touches a wall or other cranes, the spring buffer firstly touches a collision object, and the spring buffer plays a role in buffering collision force when the two cranes collide; the first rope, the first fixed pulley and the second fixed pulley are added into the device, so that the second rope can be stretched under the action that the first rope bypasses the first fixed pulley and the second fixed pulley, and when the second rope is stretched, the clamping plate clamps the track, and the crane is timely braked and stopped under the action of the friction track of the clamping plate; the utility model discloses simple structure, the simple operation, processing is convenient, can play the cushioning effect, can play the emergency braking effect when colliding again.

Drawings

Fig. 1 is a schematic structural diagram of the first state of the present invention.

Fig. 2 is a schematic structural view of the frame in a first state.

Fig. 3 is a schematic structural diagram of a second state of the present invention.

Fig. 4 is a schematic structural view of the frame in a second state.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

Referring to fig. 1 to 4, the present invention provides an embodiment: a crane anti-collision impact braking device based on a rail clamping principle comprises a hollow box body 1 and a first rope 2, wherein the hollow box body 1 is installed at a crane end beam, the lower surface of the hollow box body 1 is open, first fixed pulleys 11 are arranged on the left side and the right side of the upper end of the inner rear surface of the hollow box body 1, a spring buffer 3 is arranged at the upper end of the left side surface of the hollow box body 1, the tail end of the spring buffer 3 extends into the hollow box body 1, a second fixed pulley 31 is arranged at the tail end of the spring buffer 3, one end of the first rope 2 is fixedly arranged on the left side surface of the hollow box body 1, the first rope 1 is positioned at the lower end of the spring buffer 3, the first rope 1 sequentially winds around the second fixed pulley 31, the left first fixed pulley 11 and the right first fixed pulley 11, a frame 4 is arranged at the lower end of the right side of the hollow box body 1, a, the first connecting rod 41 and the second connecting rod 42 are hinged in the frame 4 in a crossed manner, a second rope 43 is connected between the upper ends of the first connecting rod 41 and the second connecting rod 42, the second rope 43 is connected with the middle of the first rope 2, clamping plates 44 for clamping rails extend from the tail ends of the first connecting rod 41 and the second connecting rod 42, and a first spring 45 is arranged between the upper ends of the clamping plates 44. The feasible is when the crane cart bumps, spring buffer 3 is compressed and is carried out cushioning effect, spring buffer 3 moves to the right, thereby drive second fixed pulley 31 and move to the right, second fixed pulley 31 can be stretched first rope 2 to the right, first rope 2 can drive second rope 43 and stretch, because the articulated effect of head rod 41 and second connecting rod 42, thereby it presss from both sides tightly to drive head rod 41 and second connecting rod 42, make first spring 45 compress, pinch-off blades 44 can carry out clamping effect to the track, through pinch-off blades 44 when pressing from both sides the braking that can further realize the crane cart with orbital friction.

The hinge arrangement of the present invention is a hinge arrangement in the prior art, and those skilled in the art can clearly understand that the detailed description is omitted here, and the first rope 2 and the second rope 43 of the present invention are preferably made of steel wire rope, but not limited thereto.

Please continue to refer to fig. 1 and fig. 3, in an embodiment of the present invention, the spring buffer 3 includes a fixing plate 32, the fixing plate 32 is fixed at the upper end of the left side surface of the hollow box body 1 through a first connecting bolt, the middle portion of the fixing plate 32 is provided with a central shaft 33 through passing, the upper and lower ends of the peripheral side wall of the central shaft 33 are both provided with a positioning clamp 34 for preventing the central shaft 33 from being separated from the hollow box body 1, the positioning clamp 34 is located in the hollow box body 1, the left end of the central shaft 33 is provided with a buffering block 35, the buffering block 35 is perpendicular to the central shaft 33, the central shaft 33 is sleeved with a second spring 36, the second spring 36 is arranged between the buffering block 35 and the fixing plate 32, and the second fixed pulley 31 is fixedly arranged at the end of the central. When collision does not occur, the central shaft 33 fixes the first connecting rod 41 and the second connecting rod 42 through the action of the first rope 2 and the first spring 45, and after the crane collides, the buffer block 35 moves rightwards to compress the second spring 36, so that the buffer block 35 pushes the central shaft 33 to move rightwards to extend out, thereby driving the second fixed pulley 31 to move rightwards, stretching the first rope 2, and clamping the clamping plate 44 to clamp the track.

Referring to fig. 2 and 4, in an embodiment of the present invention, a silicone sheet 46 for increasing friction is disposed on an inner side surface of the clamping plate 44. The friction force between the clamping plate 44 and the rail during clamping can be increased through the action of the silica gel sheet 46, so that the crane cart can be better stopped.

The utility model discloses a theory of operation: when the hoist bumps, the buffer block moves to the right and compresses the spring, make the buffer block can promote the center pin and move to the right and stretch out, the center pin moves to the right and drives the second fixed pulley and move to the right, thereby first rope upwards pulls up the second rope through the effect of second fixed pulley and first fixed pulley, thereby the second rope upwards pulls up and drives head rod and second connecting rod and clamp tightly inwards, make first spring compress, thereby it presss from both sides tight effect to drive the clamp plate to the track, make and press from both sides the track through the clamp plate and rub on the track, can be further play the braking effect to the crane cart.

The above is only the preferred embodiment of the present invention, and all the equivalent changes and modifications made according to the claims of the present invention should be covered by the present invention.

Claims

1. The utility model provides a hoist anticollision dashes arresting gear based on press from both sides rail principle which characterized in that: the crane comprises a hollow box body and a first rope, wherein the hollow box body is arranged at an end beam of a crane cart, the lower surface of the hollow box body is open, the left side and the right side of the upper end of the inner rear surface of the hollow box body are respectively provided with a first fixed pulley, the upper end of the left side surface of the hollow box body is provided with a spring buffer, the tail end of the spring buffer extends into the hollow box body, the tail end of the spring buffer is provided with a second fixed pulley, one end of the first rope is fixedly arranged at the left side surface in the hollow box body, the first rope is positioned at the lower end of the spring buffer, the first rope sequentially bypasses the second fixed pulley, the left first fixed pulley and the right first fixed pulley, the lower end of the right side in the hollow box body is provided with a frame, a first connecting rod and a second connecting rod are arranged in the frame, the first connecting rod and the second connecting, the second rope with first rope middle part is connected, the head rod with the terminal clamping plate that all extends of second connecting rod is provided with and is used for pressing from both sides tight orbital, be provided with first spring between the clamping plate upper end.

2. The crane anti-collision impact braking device based on the rail clamping principle as claimed in claim 1, wherein: spring damper includes the fixed plate, the fixed plate is fixed through first connecting bolt cavity box body left surface upper end, the fixed plate middle part is passed and is provided with the center pin, both ends all are provided with about the center pin periphery lateral wall and avoid the center pin breaks away from the locator card of cavity box body, just the locator card is located in the cavity box body, the center pin left end is provided with a buffer block, just the buffer block with the center pin sets up perpendicularly, the cover is equipped with the second spring on the center pin, just the second spring set up in the buffer block with between the fixed plate, the second fixed pulley fixed set up in the center pin is terminal.

3. The crane anti-collision impact braking device based on the rail clamping principle as claimed in claim 1, wherein: and a silica gel sheet for increasing friction is arranged on the inner side surface of the clamping plate.