CN113023277A

CN113023277A - Floor truck with anti-falling device

Info

Publication number: CN113023277A
Application number: CN202110300062.4A
Authority: CN
Inventors: 陈志伟; 李根文; 王子铭; 赵琎; 李居义; 钟家伦; 孙耀; 宋恒
Original assignee: Xuzhou XCMG Truck Mounted Crane Co Ltd
Current assignee: Xuzhou XCMG Truck Mounted Crane Co Ltd
Priority date: 2021-03-22
Filing date: 2021-03-22
Publication date: 2021-06-25
Anticipated expiration: 2041-03-22
Also published as: CN113023277B

Abstract

The invention discloses a carrying trolley with an anti-falling device, which comprises a carrying trolley and a guide rail, wherein a rotating structure is rotatably connected on the carrying trolley and is also connected with the carrying trolley through a spring; the rotating structure is also connected with a braking structure, the steel wire rope and the spring are used for controlling the rotating structure to be in a braking state and a non-braking state, the braking structure is connected with the guide rail in the braking state, the spring is in a stretching state in the non-braking state, and the braking structure is not connected with the guide rail; when the steel wire rope is disconnected, the spring shrinkage control rotating structure is in a braking state, and the braking structure is connected with the guide rail, so that the trolley can be effectively prevented from falling.

Description

Floor truck with anti-falling device

Technical Field

The invention relates to the technical field of moving operation vehicles, in particular to a carrying trolley with an anti-falling device.

Background

The working height of the moving operation vehicle can reach more than 30 meters, and during the process that the carrying trolley moves up and down on the rigid guide rail through the traction of the steel wire rope to carry goods, the hidden danger of abrasion and fracture of the steel wire rope exists, so that the hidden danger of safety accidents occurs. How to provide a dolly with anti-falling device, it causes the incident to avoid the direct free fall of accident to appear when the floor truck transports goods, is the problem that we need consider.

Disclosure of Invention

The invention aims to provide a carrying trolley with an anti-falling device, which is used for solving the problem of safety accidents caused by the fact that the trolley directly falls in the prior art.

In order to achieve the purpose, the invention is realized by adopting the following technical scheme:

a carrying trolley with an anti-falling device comprises a carrying trolley and a guide rail, wherein a rotating structure is rotatably connected to the carrying trolley, the rotating structure is further connected with the carrying trolley through a spring, a traction device is connected with the rotating structure through a steel wire rope, and the traction device is used for driving the carrying trolley to move along the guide rail;

the rotating structure is further connected with a braking structure, the steel wire rope and the spring are used for controlling the rotating structure to be in a braking state and a non-braking state, the braking structure is connected with the guide rail in the braking state, the spring is in a stretching state in the non-braking state, and the braking structure is not connected with the guide rail.

Furthermore, the outer side surface of the square frame is connected with a wheel set matched with the guide rail.

Further, the wheel set comprises at least two wheels, a rolling space is formed between the two wheels which are not on the same horizontal plane, and the guide rail is connected in the rolling space.

Further, the carrying trolley comprises a square frame, and the rotating structure is rotatably connected in the square frame.

Furthermore, the rotating structure is a rotating shaft, and two ends of the rotating shaft penetrate through the outer side surface of the square frame and are connected with the braking structure;

the rotating shaft is provided with a hook, one end of the spring is connected with the hook, and the other end of the spring is connected with the carrying trolley.

Furthermore, the rotating shaft is also provided with a connecting seat, and the steel wire rope is connected with the connecting seat by bypassing the guide wheel on the carrying trolley.

Furthermore, a plurality of friction teeth are arranged on a connecting surface of the braking structure, and in the braking state, the friction teeth are connected with the guide rail.

According to the technical scheme, the embodiment of the invention at least has the following effects:

1. the rotary structure in the carrying trolley designed by the device is rotationally connected with the trolley, the state of the rotary structure is controlled by the steel wire rope and the spring, when the steel wire rope is disconnected, the spring contracts to control the rotary structure to be in a braking state, and at the moment, the braking structure is connected with the guide rail, so that the trolley can be effectively prevented from falling;

2. the rotating structure of the device is a rotating shaft, the rotating shaft is controlled to rotate to a braking state or a non-braking state through a spring and a steel wire rope, the structure is simple, and the control is convenient;

3. a plurality of friction teeth that set up on this device's the braking structure can guarantee with the connection effect of guide rail, has further guaranteed that the dolly can not fall, has prevented the emergence of incident.

Drawings

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

FIG. 2 is a schematic view of the structure of the transfer cart and its connectors according to the preferred embodiment of the present invention;

FIG. 3 is a schematic view of a portion of the structure of FIG. 2;

fig. 4 is a partial structural schematic diagram of fig. 2.

Wherein: 1. carrying the trolley; 2. a rotating structure; 3. a braking structure; 4. a spring; 5. a wire rope; 6. a guide rail; 11. a wheel set; 21. a rotating shaft; 22. a connecting seat; 23. and (4) hanging hooks.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

It should be noted that in the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention but do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. As used in the description of the present invention, the terms "front," "back," "left," "right," "up," "down" and "in" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

As shown in fig. 1 to 4, a carrying trolley with an anti-falling device comprises a carrying trolley 1 and a guide rail 6, wherein a rotating structure 2 is rotatably connected to the carrying trolley 1, the rotating structure 2 is further connected to the carrying trolley 1 through a spring 4, a traction device is connected to the rotating structure 2 through a steel wire rope 5, and the traction device is used for driving the carrying trolley 1 to move along the guide rail 6; the rotating structure 2 is further connected with a braking structure 3, the steel wire rope 5 and the spring 4 are used for controlling the rotating structure 2 to be in a braking state and a non-braking state, the braking structure 3 is connected with the guide rail 6 in the braking state, the spring 4 is in a stretching state in the non-braking state, and the braking structure 3 is not connected with the guide rail 6.

The rotating structure and the trolley in the carrying trolley designed by the device are connected in a rotating mode, the rotating structure is controlled by the steel wire rope 5 and the spring 4, when the steel wire rope is disconnected, the spring shrinkage control rotating structure is in a braking state, the braking structure is connected with the guide rail at the moment, and the trolley can be effectively guaranteed not to fall.

The structure of the carrying trolley 1 is shown in fig. 2, and the carrying trolley 2 comprises a rectangular frame, and the middle part of the frame is connected with the rotating structure 2. The rotating structure 2 of the device adopts a rotating shaft 21, two ends of the rotating shaft 21 respectively penetrate through the upper side wall and the lower side wall of the frame, and two ends of the rotating shaft 21 are fixedly connected with the braking structure 3. The rotation of the rotating shaft 21 drives the braking structures 3 at both ends to rotate.

In this embodiment, the rotating shaft 21 is provided with a connecting seat 22 and a hook 23, and the hook 23 is located inside the square frame and close to the square frame. The inner side surface of the square frame is provided with a connector, and the hook 23 is connected with the connector through a spring 4. The connecting seat 22 is used for connecting the steel wire rope 5, the inner side of the side wall of the right end of the square frame is provided with a guide wheel, one end of the steel wire rope 5 is connected with the connecting seat 22, and the other end of the steel wire rope bypasses the guide wheel and is connected with the traction device.

The direction of the connecting seat 22 is perpendicular to the direction of the hook 23, and the design can ensure that the spring pulls the braking structure 3 to work when the steel wire rope is disconnected. When the steel wire rope is not broken, the connecting seat 22 points to the guide wheel, the rotating shaft is in a non-braking state at the moment, and the spring 4 is in a stretching state at the moment. After the wire rope breaks off, the spring recovers under the effect of elasticity and drives rotation axis 21 and rotate ninety degrees, and rotation axis 21 drives braking structure 3 and rotates ninety degrees, and braking structure and 6 contact connections of guide rail this moment have increased friction between them, prevent that the dolly from falling.

In some embodiments, the shape of the braking structure 3 is as shown in fig. 4, the braking structure 3 is a plate-shaped structure, the connecting surface of the right end of the braking structure 3 is arc-shaped, and after the rotating shaft 21 rotates from the non-braking state to the braking state, the connecting surface of the braking structure 3 is connected with the guide rail 6. Furthermore, in order to ensure the connection effect of the braking structure 3 and the guide rail 6, a plurality of friction teeth are arranged on the connection surface.

In some embodiments, the outer side surfaces of the upper side wall and the lower side wall of the square frame are also provided with wheel sets 11, and the wheel sets 11 are used for realizing connection with the guide rail 6. Specifically, as shown in fig. 3, the upper side wall is connected with two front and rear wheel sets 11, each wheel set 11 includes three wheels, two of the wheels are on the same straight line, and the other wheel is not on the straight line. The space formed between the three wheels is used for connecting with the guide rail 6, and the carrying trolley 1 has the sliding effect on the guide rail 6.

It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.

Claims

1. The carrying trolley with the anti-falling device is characterized by comprising a carrying trolley (1) and a guide rail (6), wherein a rotating structure (2) is rotatably connected to the carrying trolley (1), the rotating structure (2) is further connected with the carrying trolley (1) through a spring (4), a traction device is connected with the rotating structure (2) through a steel wire rope (5), and the traction device is used for driving the carrying trolley (1) to move along the guide rail (6);

the brake structure is characterized in that the rotating structure (2) is further connected with a brake structure (3), the steel wire rope (5) and the spring (4) are used for controlling the rotating structure (2) to be in a brake state and a non-brake state, the brake structure (3) is connected with the guide rail (6), the non-brake state is realized, the spring (4) is in a stretching state, and the brake structure (3) is not connected with the guide rail (6).

2. The trolley with a fall arrest device according to claim 1, characterised in that a set of wheels (11) adapted to the guide rail (6) is attached to the outer side of the square frame.

3. The trolley with a fall arrest device according to claim 2, characterized in that the set of wheels (11) comprises at least two wheels and wherein two wheels not in the same horizontal plane form a rolling space between them, the rail being connected in the rolling space.

4. The trolley with fall arrest device according to claim 1, characterized in that the trolley (1) comprises a square frame, inside which the swivel structure (2) is pivotally connected.

5. The carrying trolley with the anti-falling device according to claim 4, characterized in that the rotating structure (2) is a rotating shaft (21), and two ends of the rotating shaft (21) penetrate through the outer side surface of the square frame and are connected with the braking structure (3);

the rotating shaft (21) is provided with a hook (23), one end of the spring (4) is connected with the hook (23), and the other end of the spring is connected with the carrying trolley (1).

6. The carrying trolley with the anti-falling device is characterized in that a connecting seat (22) is further arranged on the rotating shaft (21), and the steel wire rope (5) bypasses a guide wheel on the carrying trolley (1) and is connected with the connecting seat (22).

7. The handling trolley with a fall arrest device according to claim 1, characterized in that the attachment surface of the brake structure (3) is provided with a plurality of friction teeth, which in the braking state are connected with the guide rail (6).