CN219860137U

CN219860137U - Safety protection device for hoisting machinery

Info

Publication number: CN219860137U
Application number: CN202321180983.2U
Authority: CN
Inventors: 秦国平
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-05-17
Filing date: 2023-05-17
Publication date: 2023-10-20
Anticipated expiration: 2033-05-17

Abstract

The utility model discloses a lifting machinery safety protection device, which belongs to the technical field of lifting machinery equipment and comprises a first fixing plate, wherein a lifting ring is fixedly connected to the first fixing plate, and a second fixing plate and a third fixing plate are connected to the first fixing plate in an adjustable manner. Through adjustable second fixed plate and the third fixed plate of connection, make first fixed plate and second fixed plate be close to each other or keep away from each other, change the distance between second fixed plate and the third fixed plate, support fixedly to the heavy object or the container of different width in the certain limit range, under the combined action such as first motor, first two-way threaded rod, first screw thread piece and second spout, can make two limiting plates be close to each other or keep away from each other to can support fixedly to the heavy object or the container of different length in the certain limit range, and then when lifting by crane, avoid under the effect of gravity, lead to heavy object or container can take place the condition appearance of deformation.

Description

Safety protection device for hoisting machinery

Technical Field

The utility model relates to the technical field of hoisting machinery equipment, in particular to a hoisting machinery safety protection device.

Background

Lifting machinery, which is an electromechanical device for vertically lifting or vertically lifting and horizontally moving a weight, is defined as an elevator having a rated lifting weight of greater than or equal to 0.5 t; a crane with rated lifting capacity larger than or equal to 1t and lifting height larger than or equal to 2m, an electric hoist with fixed bearing form, and the like.

At present, most of existing hoisting machines utilize a lifting hook to hook the center position of a heavy object or the center position of a rope packaged outside the container when the heavy object or the container is pulled up, and then the hoisting machines are pulled up for transportation, but in the pulling up process, the heavy object or the container is not supported and protected, and the heavy object or the container can deform due to the action of gravity, so that the safety protection device of the hoisting machines is specially provided for solving the problems.

Disclosure of Invention

First, the technical problem to be solved

Aiming at the defects of the prior art, the utility model aims to provide a safety protection device for hoisting machinery, which has the characteristics of supporting and protecting a weight or a container, avoiding the deformation of the weight or the container during hoisting or pulling, and protecting the weight or the container.

(II) technical scheme

In order to achieve the above purpose, the utility model provides a lifting machinery safety protection device, which comprises a first fixing plate, wherein a lifting ring is fixedly connected to the first fixing plate, a second fixing plate and a third fixing plate are connected to the first fixing plate in an adjustable manner, a first sliding groove is formed in the second fixing plate, a first motor and a first bidirectional threaded rod are connected to the second fixing plate through a bearing and a rotating shaft, two first threaded blocks are connected to the first bidirectional threaded rod in a threaded manner, a machine body of the first motor is fixedly connected to the second fixing plate, a second sliding groove is formed in the third fixing plate, two sliding blocks are connected to the second sliding groove in a sliding manner, connecting rods are connected to the two sliding blocks and the two first threaded blocks in a fixed manner, limiting plates are connected to the bottom ends of the four connecting rods in a fixed manner, the two connecting rods are in a group, and telescopic rods are connected to the two connecting rods in a total.

When the lifting mechanical safety protection device of the technical scheme is used, the first fixing plate and the second fixing plate are mutually close to or mutually far away from each other through the second fixing plate and the third fixing plate which are connected in an adjustable mode, the distance between the second fixing plate and the third fixing plate is changed, weights or containers with different widths in a certain range are supported and fixed, and under the combined action of the first motor, the first bidirectional threaded rod, the first threaded block, the second sliding groove and the like, the two limiting plates can be mutually close to or mutually far away from each other, so that weights or containers with different lengths in a certain range can be supported and fixed, and further, the situation that the weights or the containers deform under the action of gravity is avoided when the lifting is carried out.

Further, the first bidirectional threaded rod is located in the first sliding groove, the two first threaded blocks are slidably connected in the first sliding groove, and the machine body of the first motor is fixedly connected to the second fixing plate.

Further, a third sliding groove is formed in the first fixing plate, and the first fixing plate is connected with a second motor and a second bidirectional threaded rod through a bearing and a rotating shaft.

Further, the machine body of the second motor is fixedly connected to the first fixing plate, and the second bidirectional threaded rod is located in the third sliding groove.

Further, two second thread blocks are connected to the second bidirectional threaded rod in a threaded mode, the two second thread blocks are connected in the third sliding groove in a sliding mode, and the bottoms of the two second thread blocks are fixedly connected with the tops of the second fixing plate and the third fixing plate respectively.

Further, the method comprises the steps of,

(III) beneficial effects

In summary, the utility model has the following beneficial effects:

1. under the combined action of the second motor, the second threaded rod, the second threaded block, the second fixing plate, the third fixing plate and the like, the first fixing plate and the second fixing plate are mutually close to or mutually far away from each other, the distance between the second fixing plate and the third fixing plate is changed, and weights or containers with different widths in a certain range are supported and fixed;

2. under the combined action of the first motor, the first bidirectional threaded rod, the first threaded block, the second sliding groove and the like, the two limiting plates can be mutually close to or mutually far away from each other, so that weights or containers with different lengths in a certain range can be supported and fixed, and further, the situation that the weights or containers deform under the action of gravity is avoided when the crane is lifted.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the description of the embodiments or the prior art will be briefly described, and it is apparent that the drawings in the following description are only one embodiment of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of a bi-directional threaded rod according to the present utility model;

FIG. 3 is a schematic diagram of the structure of the present utility model in use.

The marks in the drawings are:

1. a third chute; 2. a second bi-directional threaded rod; 3. a second threaded block; 4. a third fixing plate; 5. a telescopic rod; 6. a hanging ring; 7. a second motor; 8. a connecting rod; 9. a limiting plate; 10. a first motor; 11. a second fixing plate; 12. a first bi-directional threaded rod; 13. a first threaded block; 14. a first fixing plate; 15. a slide block; 16. a second chute; 17. and a first chute.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the present utility model easy to understand, the technical solutions in the embodiments of the present utility model are clearly and completely described below to further illustrate the present utility model, and it is obvious that the described embodiments are only some embodiments of the present utility model, not all versions.

Examples:

the utility model is described in further detail below with reference to fig. 1-3.

Referring to fig. 1-3, the present utility model provides a technical solution: according to the technical scheme, the lifting mechanical safety protection device adopts the position of a second motor 7 as the width direction, the position of a first motor 10 as the length direction, the lifting device comprises a first fixing plate 14, a lifting ring 6 is fixedly connected to the first fixing plate 14, a second fixing plate 11 and a third fixing plate 4 are connected to the first fixing plate 14 in an adjustable mode, a third sliding groove 1 is formed in the first fixing plate 14, a second motor 7 and a second bidirectional threaded rod 2 are connected to the first fixing plate 14 through a bearing and a rotating shaft, a machine body of the second motor 7 is fixedly connected to the first fixing plate 14, the second bidirectional threaded rod 2 is located in the third sliding groove 1, two second threaded blocks 3 are connected to the second bidirectional threaded rod 2 in a threaded mode, the bottoms of the two second threaded blocks 3 are fixedly connected to the tops of the second fixing plate 11 and the third fixing plate 4 respectively, and the first fixing plate 14 and the second fixing plate 11 are enabled to be far away from each other or the second fixing plate 4 under the combined action of the second motor 7, the second threaded rod 3, the second fixing plate 11 and the third fixing plate 4 are enabled to be far away from each other in a certain distance, and the distance between the first fixing plate and the second fixing plate is changed.

The first sliding groove 17 is formed in the second fixing plate 11, the first motor 10 and the first bidirectional threaded rod 12 are connected to the second fixing plate 11 through bearings and rotating shafts, the first bidirectional threaded rod 12 is located in the first sliding groove 17, the two first threaded blocks 13 are slidably connected in the first sliding groove 17, the machine body of the first motor 10 is fixedly connected to the second fixing plate 11, the two first threaded blocks 13 are in threaded connection to the first bidirectional threaded rod 12, the machine body of the first motor 10 is fixedly connected to the second fixing plate 11, the second sliding groove 16 is formed in the third fixing plate 4, the two sliding blocks 15 and the two first threaded blocks 13 are fixedly connected with connecting rods 8, the bottoms of the four connecting rods 8 are fixedly connected with limiting plates 9, the two connecting rods 8 are in a group, the two connecting rods 8 are connected with telescopic rods 5, and under the combined action of the first motor 10, the first bidirectional threaded rod 12, the first threaded blocks 13 and the second sliding grooves 16 and the like, the two sliding grooves 16 can enable the two sliding blocks 9 to be close to each other or not to be far away from each other, so that deformation of the container can be prevented from being caused by the fact that the container is kept away from each other, and deformation of the container can be caused under the condition of mutual deformation or the condition of the container is avoided.

The working principle of the utility model is as follows: when the device is used, a heavy object or a container is positioned between the four limiting plates 9, then the controller controls the second motor 7 to drive the second bidirectional threaded rod 2 to rotate, the second fixing plate 11 and the third fixing plate 4 can be mutually close to or far away from each other, meanwhile, the telescopic rod is compressed or stretched, when the second fixing plate 11 and the third fixing plate 4 reach a proper position and then stop, then the controller controls the first motor 10 to drive the first bidirectional threaded rod 12 to rotate, the limiting plates 9 are mutually close to or far away from each other, so that the connecting rod 8 can be clamped on the heavy object or the container, and then the condition that the heavy object or the container is deformed due to the gravity is avoided when the external lifting device lifts the heavy object or the container.

The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.

Claims

1. A lifting machinery safety device comprising a first fixed plate (14), characterized in that: the utility model discloses a telescopic connecting rod, including first fixed plate (14), rings (6) fixedly connected with on first fixed plate (14), adjustable connection has second fixed plate (11) and third fixed plate (4) on first fixed plate (14), first spout (17) have been seted up on second fixed plate (11), be connected with first motor (10) and first two-way threaded rod (12) through bearing and pivot on second fixed plate (11), threaded connection has two first screw thread pieces (13) on first two-way threaded rod (12), fuselage fixedly connected with of first motor (10) is on second fixed plate (11), second spout (16) have been seted up on third fixed plate (4), sliding connection has two sliders (15) on second spout (16), two slider (15) and two equal fixedly connected with connecting rod (8) on first screw thread piece (13), four bottom of connecting rod (8) is fixed connection limiting plate (9), two connecting rod (8) are two a set of connecting rod (8), two are all telescopic connection has on two connecting rod (5).

2. A lifting machinery safety device according to claim 1, wherein: the first bidirectional threaded rod (12) is located in the first sliding groove (17), the two first threaded blocks (13) are slidably connected in the first sliding groove (17), and the machine body of the first motor (10) is fixedly connected to the second fixing plate (11).

3. A lifting machinery safety device according to claim 1, wherein: the first fixing plate (14) is provided with a third sliding groove (1), and the first fixing plate (14) is connected with a second motor (7) and a second bidirectional threaded rod (2) through a bearing and a rotating shaft.

4. A lifting machinery safety device according to claim 3, wherein: the machine body of the second motor (7) is fixedly connected to the first fixing plate (14), and the second bidirectional threaded rod (2) is located in the third sliding groove (1).

5. The lifting machinery safety device of claim 4, wherein: two second thread blocks (3) are connected to the second bidirectional threaded rod (2) in a threaded mode, the two second thread blocks (3) are connected in the third sliding groove (1) in a sliding mode, and the bottoms of the two second thread blocks (3) are fixedly connected with the tops of the second fixing plate (11) and the third fixing plate (4) respectively.