CN214570352U

CN214570352U - Lifting mechanism

Info

Publication number: CN214570352U
Application number: CN202120042629.8U
Authority: CN
Inventors: 汤海进; 区冠华; 曾广福; 李时沛
Original assignee: Guangzhou Development Fuel Port Co ltd
Current assignee: Guangzhou Development Fuel Port Co ltd
Priority date: 2021-01-07
Filing date: 2021-01-07
Publication date: 2021-11-02
Anticipated expiration: 2031-01-07

Abstract

The utility model relates to a frock clamp technical field discloses a hoist mechanism, including chain block and first redirecting pulley, chain block includes chain block body, lifting chain and first lifting hook, the both ends of lifting chain are connected respectively chain block body with first lifting hook, first redirecting pulley set up in on the lifting chain, will first redirecting pulley both sides the lifting chain be marked as respectively with the first chain that first lifting hook is connected and with the second chain that chain block is connected, the vertical setting of first chain, the second chain with contained angle between the first chain is the obtuse angle. The utility model discloses a set up first change to the pulley, reduce the requirement of the height of adversary's chain block support position.

Description

Lifting mechanism

Technical Field

The utility model relates to a frock clamp technical field especially relates to a hoist mechanism.

Background

In port bulk yards, materials are transported by belt conveyors. The carrier roller of the belt conveyor is a vulnerable part and needs to be replaced frequently in the using process. Because the belt conveyor has the counter weight, the conveyer belt of belt conveyor has great laminating power with the bearing roller, and change the bearing roller and need jack-up the conveyer belt in order to separate with the bearing roller.

At present, the lifting of the conveying belt generally depends on manpower or uses a chain block to lift the conveying belt. However, manual lifting is difficult because of the large force required to lift the conveyor belt. The chain block has higher requirement on the height of the supporting position of the chain block, so that the application of the chain block is limited, and the lifting of the conveying belt is not convenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: a lift mechanism is provided that reduces the height requirements for its support location.

In order to realize the above-mentioned purpose, the utility model provides a hoisting mechanism, including chain block and first redirecting pulley, chain block includes chain block body, lifting chain and first lifting hook, the both ends of lifting chain are connected respectively chain block body with first lifting hook, first redirecting pulley set up in on the lifting chain, will first redirecting pulley both sides the lifting chain be marked as respectively with first chain that first lifting hook is connected and with the second chain that chain block is connected, the vertical setting of first chain, the second chain with contained angle between the first chain is the obtuse angle.

Optionally, hoist mechanism still includes second bend pulley and stay cord, the both ends of stay cord are equipped with second lifting hook and third lifting hook respectively, the second lifting hook with the second chain is connected, the second bend pulley set up in on the stay cord, will the stay cord of second bend pulley both sides is marked as respectively with the first rope that the third lifting hook is connected with the second rope that the second lifting hook is connected, the vertical setting of first rope, first rope with contained angle between the second rope is the obtuse angle.

Optionally, the second chain and the second rope are both arranged transversely.

Optionally, the first diverting pulley includes a first fixed pulley, and the first fixed pulley is disposed at a boundary between the first chain and the second chain.

Optionally, the first direction-changing pulley further includes a second fixed pulley, the second fixed pulley is disposed under the first fixed pulley, and the second fixed pulley is further disposed on the first chain.

Optionally, the first direction-changing pulley further includes a connecting member, and the first fixed pulley and the second fixed pulley are both fixedly connected to the connecting member.

Optionally, the first direction-changing pulley has the same structure as the second direction-changing pulley.

The embodiment of the utility model provides a hoisting mechanism, compared with the prior art, its beneficial effect lies in:

the utility model discloses a hoist mechanism, including chain block and first redirecting pulley, chain block includes the chain block body, lifting chain and first lifting hook, and chain block body and first lifting hook are connected respectively to the both ends of lifting chain, and first redirecting pulley sets up on lifting chain, marks the lifting chain of first redirecting pulley both sides into respectively and is connected the first chain that is connected with first lifting hook and the second chain that is connected with chain block, the vertical setting of first chain, and the contained angle between second chain and the first chain is the obtuse angle. Through the structure, the supporting position of the chain block body is only higher than the top height of the first chain, or the supporting position is as high as the first direction-changing pulley, so that the requirement on the height of the supporting position of the chain block is lowered.

Drawings

Fig. 1 is a front view of an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of an embodiment of the present invention.

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

Fig. 4 is a schematic structural diagram of embodiment B of the present invention.

In the figure, 1, a chain block; 2. a first diverting pulley; 3. a second direction-changing pulley; 4. pulling a rope; 5. a second hook; 6. a third hook; 11. a chain block body; 12. a hoisting chain; 13. A first hook; 121. a first chain; 122. a second strand; 21. a first fixed pulley; 22. a second fixed pulley; 23. a connecting member; 41. a first cord; 42. a second rope.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-2, a lifting mechanism according to a preferred embodiment of the present invention includes a chain block 1 and a first direction-changing pulley 2, the chain block 1 includes a chain block body 11, a hoisting chain 12 and a first lifting hook 13, the chain block body 11 and the first lifting hook 13 are connected to two ends of the hoisting chain 12 respectively, the first direction-changing pulley 2 is disposed on the hoisting chain 12, the hoisting chains 12 on two sides of the first direction-changing pulley 2 are respectively marked as a first chain 121 connected to the first lifting hook 13 and a second chain 122 connected to the chain block 1, the first chain 121 is vertically disposed, and an included angle between the second chain 122 and the first chain 121 is an obtuse angle. When the lifting device is used, the first lifting hook 13 is hung on the conveying belt, and the chain block of the chain block 1 is pulled to hoist the conveying belt. An included angle is formed between the second chain 122 and the first chain 121, and the position of the chain block body 11, that is, the supporting position, is lower than the position of the chain block body 11 when the second chain 122 is in a vertical state. Through such structure, the supporting position that chain block body 11 was located only needs to be higher than the top height of first chain 121, perhaps supporting position is the same with the height of first diverting pulley 2 to reduce the requirement to the height of chain block 1 supporting position, the hoisting device of the wide application this embodiment of being convenient for promotes the conveyer belt.

Referring to fig. 2, the lifting mechanism of this embodiment further includes a second direction-changing pulley 3 and a pull rope 4, two ends of the pull rope 4 are respectively provided with a second hook 5 and a third hook 6, the second hook 5 is connected with a second chain 122, the second direction-changing pulley 3 is disposed on the pull rope 4, the pull ropes 4 on two sides of the second direction-changing pulley 3 are respectively marked as a first rope 41 connected with the third hook 6 and a second rope 42 connected with the second hook 5, the first rope 41 is vertically disposed, and an included angle between the first rope 41 and the second rope 42 is an obtuse angle. This is provided by attaching the first and third hooks 13 and 6, respectively, to the conveyor belt, while the second hook 5 is in turn attached to the second chain 122. When the chain block 1 is pulled, the second chain 122 moves towards the direction of the chain block body 11, the first chain 121 moves upwards, the second chain 122 also drives the second rope 42 to move towards the direction of the chain block body 11, and the first rope 41 moves upwards, so that the conveying belt is lifted. In the present embodiment, the rope 4 is a wire rope.

In this embodiment, the second chain 122 and the second rope 42 are both disposed laterally.

Referring to fig. 3, the first diverting pulley 2 includes a first fixed pulley 21, and the first fixed pulley 21 is disposed at a boundary between the first chain 121 and the second chain 122. The hoisting chain 12 is not changed in force magnitude but is changed in direction when passing the first fixed sheave 21. The first diverting pulley 2 further includes a second fixed pulley 22, the second fixed pulley 22 being disposed directly below the first fixed pulley 21, the second fixed pulley 22 being further disposed on the first chain 121. The hoisting chain 12 is connected with the conveying belt through the first fixed pulley 21 and then the second fixed pulley 22 from the chain block body 11.

The first diverting pulley 2 further comprises a connecting piece 23, and the first fixed pulley 21 and the second fixed pulley 22 are both fixedly connected to the connecting piece 23. This arrangement facilitates the installation of the first diverting pulley 2 at a fixed place. Referring to fig. 4, in the embodiment, the structure of the first direction-changing pulley 2 is the same as that of the second direction-changing pulley 3, and is not described herein again.

The utility model discloses a working process does: the chain block of the chain block body 11 is pulled, and the hoisting chain 12 drives the pull rope 4 to hoist the conveyer belt while hoisting the conveyer belt.

To sum up, the embodiment of the utility model provides a hoist mechanism, it reduces the requirement to the height of 1 support position of hand-pull block through setting up first change to pulley 2.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a hoisting mechanism, its characterized in that includes chain block and a redirecting pulley, chain block includes chain block body, lifting chain and first lifting hook, the both ends of lifting chain are connected respectively chain block body with first lifting hook, first redirecting pulley set up in on the lifting chain, will first redirecting pulley both sides the lifting chain be marked as respectively with first chain that first lifting hook is connected and with the second chain that chain block is connected, the vertical setting of first chain, the second chain with contained angle between the first chain is the obtuse angle.

2. The lifting mechanism according to claim 1, further comprising a second direction-changing pulley and a pull rope, wherein a second hook and a third hook are respectively disposed at two ends of the pull rope, the second hook is connected with the second chain, the second direction-changing pulley is disposed on the pull rope, the pull ropes at two sides of the second direction-changing pulley are respectively marked as a first rope connected with the third hook and a second rope connected with the second hook, the first rope is vertically disposed, and an included angle between the first rope and the second rope is an obtuse angle.

3. The lift mechanism of claim 2, wherein the second chain and the second rope are both laterally disposed.

4. The hoisting mechanism of claim 2, wherein the first diverting pulley comprises a first fixed pulley disposed at a boundary of the first chain and the second chain.

5. The hoisting mechanism of claim 4, wherein said first diverting pulley further comprises a second fixed pulley disposed directly below said first fixed pulley, said second fixed pulley further disposed on said first chain.

6. The lifting mechanism as recited in claim 5, wherein the first diverting pulley further comprises a connecting member, and wherein the first fixed pulley and the second fixed pulley are both fixedly connected to the connecting member.

7. The lifting mechanism of claim 2, wherein the first direction-changing pulley has the same structure as the second direction-changing pulley.