CN220201132U

CN220201132U - Lifting and hoisting device for underground coal mine

Info

Publication number: CN220201132U
Application number: CN202321682788.XU
Authority: CN
Inventors: 李斌成; 苏红伟; 程兴龙; 王顺顺; 彭博; 杨帅
Original assignee: Huating Coal Group Co Ltd
Current assignee: Huating Coal Group Co Ltd
Priority date: 2023-06-29
Filing date: 2023-06-29
Publication date: 2023-12-19
Anticipated expiration: 2033-06-29

Abstract

The utility model relates to a lifting and hoisting device for underground coal mines, which comprises an outer shell, an inner shell in the outer shell, a driving assembly, 3 groups of horizontal telescopic assemblies and a compacting assembly respectively connected with the horizontal telescopic assemblies. The horizontal telescopic component comprises a screw rod, a moving block and a telescopic plate connected with the moving block, wherein the screw rod and the moving block are positioned in the shell. The drive assembly part sets up in the inside of inner shell, and the one end setting of lead screw is on the inner shell and is connected with drive assembly, and the movable block is connected with the lead screw and can relatively move to the lead screw. The compressing assembly comprises a vertical box connected with the expansion plate, a cylinder arranged in the vertical box and a compressing block connected with a piston rod of the cylinder. The upper surface of the shell is rectangular, and the extending direction of the screw rod is parallel to the side of the rectangle. According to the horizontal telescopic component, the lifting and hoisting device can be suitable for equipment with different sizes, equipment to be transported is compressed through the compressing component, the equipment is prevented from falling, automatic adjustment can be achieved, and manpower is not needed.

Description

Lifting and hoisting device for underground coal mine

Technical Field

The utility model belongs to the technical field of coal mine operation, and particularly relates to a lifting device for underground coal mine.

Background

The mine exploitation needs to excavate a series of roadways from the ground to the underground, the whole mine exploitation process is operated under the ground, and various operation equipment needs to be transported into the underground roadway for installation and use. In the underground transportation process of the coal mine, a lifting and hoisting device is required. Specifically, the equipment to be transported is placed on the lifting and hoisting device, and then the lifting and hoisting device and the equipment to be transported, which is arranged on the lifting and hoisting device, are conveyed underground together through lifting equipment, auxiliary tools and the like.

However, in the prior art, after equipment to be transported is placed on a lifting and hoisting device, the equipment is also required to be bound on the lifting and hoisting device through a wire rope and the like manually, so that the equipment can be lifted, and in addition, after the equipment to be transported is conveyed underground, the wire rope is also required to be unwound manually, so that the equipment can be taken down, and the operation is more troublesome.

Therefore, a more convenient lifting and hoisting device is needed.

Disclosure of Invention

First, the technical problem to be solved

The utility model provides a lifting and hoisting device for a coal mine, which aims to solve the problem that in the prior art, objects are required to be bound on the lifting and hoisting device manually, and the operation is troublesome.

(II) technical scheme

In order to achieve the above purpose, the main technical scheme adopted by the utility model comprises the following steps:

a lifting and hoisting device for underground coal mines comprises an outer shell for placing equipment to be transported, an inner shell arranged in the outer shell, a driving assembly, 3 groups of horizontal telescopic assemblies and a compacting assembly respectively connected with the horizontal telescopic assemblies;

the horizontal telescopic assembly comprises a screw rod, a moving block and a telescopic plate, wherein the screw rod and the moving block are positioned in the shell, and the telescopic plate is connected with the moving block; the driving assembly part is arranged in the inner shell, one end of the screw rod is arranged on the inner shell and connected with the driving assembly, and the moving block is connected with the screw rod and can move towards the screw rod;

the compression assembly comprises a vertical box connected with the expansion plate, an air cylinder arranged in the vertical box and a compression block positioned at the outer side of the vertical box and connected with a piston rod of the air cylinder;

the upper surface of shell is the rectangle, the extending direction of lead screw with the limit of rectangle is parallel, the flexible direction of cylinder with the upper surface of shell is perpendicular.

The lifting and hoisting device for underground coal mine is characterized in that the driving assembly comprises a motor and a first bevel gear;

the motor is arranged at the bottom of the outer shell, the output end of the motor is connected with the first bevel gear, the output end of the motor penetrates through the inner shell, and the first bevel gear is located inside the inner shell.

The lifting and hoisting device for underground coal mine preferably further comprises a second bevel gear, wherein the second bevel gear is arranged on the screw rod, is positioned inside the inner shell and is meshed with the first bevel gear.

In the lifting and hoisting device for underground coal mine, preferably, the screw rod is arranged on the inner shell through a bearing.

As described above, the lifting device for underground coal mine preferably includes 2 expansion plates, wherein the 2 expansion plates are respectively located at two sides of the screw rod, and the heights of the 2 expansion plates are the same.

The lifting and hoisting device for underground coal mine is characterized in that the pressing assembly further comprises a sliding block and a connecting block;

the sliding block is positioned in the vertical box and connected with a piston rod of the air cylinder, a slideway is further arranged on the vertical box, and the connecting block is arranged in the slideway and can move relative to the slideway; the compaction block is connected with the connecting block.

As mentioned above, the lifting device for underground coal mine is preferably characterized in that a hook is further arranged at the top of the vertical box.

As mentioned above, in the lifting device for underground coal mine, preferably, a non-slip mat is further disposed on a side of the compacting block facing the housing.

The lifting and hoisting device for underground coal mine, preferably, further comprises a supporting component arranged at the bottom of the shell; the support assembly comprises a T-shaped column, a spring, a column-shaped tube and a support leg;

the spring is sleeved at one end of the T-shaped column, and the other end of the T-shaped column is connected with the bottom of the shell; the spring is located inside the columnar tube, and the support legs are arranged at the bottom of the columnar tube.

(III) beneficial effects

The beneficial effects of the utility model are as follows:

according to the utility model, the driving assembly drives the three lead screws in different directions to rotate so as to drive the moving block and the expansion plate connected with the moving block to move in an expansion mode relative to the shell, so that the size change of the lifting and hoisting device is realized, and the lifting and hoisting device is further suitable for equipment to be transported in different sizes according to actual needs, and lifting and hoisting work of equipment to be transported in various sizes is realized. The device to be transported, which is placed on the shell, is extruded and positioned through the compression assembly, so that the position is fixed, and the device is prevented from falling from the lifting and hoisting device in the hoisting process. The utility model can realize automatic adjustment in the hoisting process, can be matched with equipment to be transported in various sizes, does not need to rely on manpower, has better hoisting effect, can save manpower and improve the working efficiency.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a lifting and hoisting device for underground coal mines;

FIG. 2 is a cross-sectional view of a lifting sling for use downhole in a coal mine in accordance with the present utility model;

FIG. 3 is a schematic diagram of the connection of a moving block to a telescoping plate;

fig. 4 is a schematic top view of a lifting device for coal mine underground according to the present utility model.

[ reference numerals description ]

1: a housing; 2: an inner case; 3: a screw rod; 4: a moving block; 5: a second helical gear; 6: a motor; 7: a first helical gear; 8: a telescoping plate; 9: a vertical box; 10: a cylinder; 11: a slide block; 12: a compaction block; 13: a hook; 14: a columnar tube; 15: a support leg; 16: a spring; 17: a T-shaped column; 18: a slideway; 19: and (5) connecting a block.

Detailed Description

The utility model will be better explained by the following detailed description of the embodiments with reference to the drawings.

Example 1

As shown in fig. 1-4, the embodiment provides a lifting and hoisting device for underground coal mine, which comprises an outer shell 1 for placing equipment to be transported, an inner shell 2 arranged inside the outer shell 1, a driving assembly, 3 groups of horizontal telescopic assemblies and a compressing assembly respectively connected with the horizontal telescopic assemblies. The upper end face of the outer shell 1 is used for placing and fixing equipment to be transported, the inner shell 2 is fixedly arranged inside the outer shell 1, and the inner shell 2 is used for supporting a horizontal telescopic assembly.

The horizontal telescopic assembly comprises a screw rod 3, a moving block 4 and a telescopic plate 8 connected with the moving block 4, wherein the screw rod 3 and the moving block 4 are positioned in the shell 1. The body of the driving assembly is provided on the outer housing 1, and the output end portion is provided inside the inner housing 2 so as to be connected with the screw rod 3 inside the inner housing 2. One end of the screw rod 3 is arranged on the inner shell 2 and connected with the driving component, and the moving block 4 is connected with the screw rod 3 and can move opposite to the screw rod 3. Specifically, the lead screw 3 rotates in situ under the rotation drive of the driving assembly, the moving block 4 moves relative to the lead screw 3, the expansion plate 8 is driven to move in an expansion mode along the direction of the lead screw 3, when the equipment to be transported is large in size, the expansion plate 8 can extend out of the shell 1, the area of the lifting and hoisting device is increased, and therefore the equipment to be transported can be placed on the shell 1 for hoisting.

The function of the compressing assembly is to fix equipment to be transported on the upper end face of the shell 1, prevent equipment from falling in the hoisting process, and specifically comprise a vertical box 9 connected with a telescopic plate 8, an air cylinder 10 arranged inside the vertical box 9 and a compressing block 12 positioned outside the vertical box 9 and connected with a piston rod of the air cylinder 10.

In order to ensure that the equipment to be transported can be stably fixed on the upper surface of the casing 1, the embodiment is provided with three horizontal telescopic assemblies and pressing assemblies in different directions on the rectangular casing 1. The upper surface of the shell 1 is rectangular, the extending direction of the screw rod 3 is parallel to the side of the rectangle, and the extending and retracting direction of the air cylinder 10 is perpendicular to the upper surface of the shell 1.

According to the embodiment, the driving assembly drives the lead screws in three different directions to rotate so as to drive the moving block 4 and the expansion plate 8 connected with the moving block 4 to move in a telescopic manner relative to the shell 1, so that the size change of the lifting and hoisting device is realized, and the lifting and hoisting device can be suitable for equipment to be transported in different sizes according to actual needs, and lifting and hoisting work of equipment to be transported in various sizes is realized. The equipment to be transported placed on the shell 1 is extruded and positioned through the compression assembly, so that position fixing is achieved, and equipment falling from a lifting and hoisting device in the hoisting process is prevented. This embodiment can realize automatically regulated in the hoist and mount in-process, can match with the equipment of waiting of multiple size, need not to rely on the manpower, has better hoist and mount effect, can use manpower sparingly, improves work efficiency.

The drive assembly comprises an electric motor 6 and a first bevel gear 7. The motor 6 is arranged at the bottom of the outer shell 1, specifically arranged at the outer side of the outer shell 1, the output end of the motor 6 is connected with the first bevel gear 7, the first bevel gear 7 can be driven to rotate, and the output end of the motor 6 penetrates through the inner shell 2 so that the first bevel gear 7 is located inside the inner shell 2.

Preferably, the horizontal telescopic assembly further comprises a second bevel gear 5. The second bevel gear 5 is arranged on the screw rod 3, and the screw rod 3 is arranged on the inner shell 2 through a bearing. The second bevel gear 5 is located in particular inside the inner housing 2 and meshes with the first bevel gear 7. The first helical gear 7 and the second helical gear 5 have different areas of the upper end surface and the lower end surface to achieve the inclination of the gears, and may be also referred to as bevel gears. In this embodiment, the transmission of power from the motor 6 to the screw 3 is achieved by the engagement of the first bevel gear 7 with the 3 second bevel gears 5.

The first helical gear 7 is driven to rotate and the three second helical gears 5 are driven to form meshing transmission through the operation of the motor 6, so that the three lead screws are driven to rotate and form running fit with the three moving blocks 4, the distance between compression assemblies is adjusted through the telescopic plate 8 on each moving block 4, equipment to be transported with different sizes is placed on the shell 1, and then the sliding block 11 and the compression plate connected with the sliding block 11 are driven to move downwards through the operation of the air cylinder 10 in the compression assemblies, so that the equipment to be transported is extruded and fixed.

Preferably, the expansion plate 8 includes 2 expansion plates 8 located at both sides of the screw 3, respectively, and the heights of the 2 expansion plates 8 are the same.

Preferably, the compression assembly further comprises a slider 11 and a connection block 19. The slide block 11 is positioned in the vertical box 9, the slide block 11 is connected with a piston rod of the air cylinder 10, the vertical box 9 is further provided with a slide rail 18, the connecting block 19 is arranged in the slide rail 18 and can move relative to the slide rail 18, and the compression block 12 is connected with the connecting block 19. In order to ensure smooth sliding of the compression block 12, 2 slide ways 18 are arranged on the vertical box 9, and a connecting block 19 is arranged in each slide way 18.

For connection to external hoisting equipment, hooks 13 are also provided on top of each vertical box 9. In order to further increase the stability of the equipment to be transported in the hoisting process, a non-slip mat is further arranged on one side of the compaction block 12, facing the housing 1, and the non-slip mat can be made of silica gel, rubber or the like, and a plurality of protrusions can be arranged on the non-slip mat.

In order to reduce the vibration amplitude generated when the lifting device contacts the ground, the lifting device of the embodiment further comprises a support assembly arranged at the bottom of the housing 1. The support assembly includes a T-post 17, a spring 16, a cylindrical tube 14 and a foot 15. The T-shaped column 17 includes a first column body having a diameter larger than that of the second column body and a second column body. The spring 16 is sleeved on the second column body of the T-shaped column 17, the spring 16 and the second column body are integrally positioned in the columnar tube 14, the first column body of the T-shaped column 17 is fixedly connected with the bottom of the shell 1, and the supporting legs 15 are arranged at the bottom of the columnar tube 14 and used for increasing the contact area with the ground.

In the description of the present utility model, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; may be a communication between two elements or an interaction between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present specification, the terms "one embodiment," "some embodiments," "examples," "particular examples," or "some examples," etc., refer to particular features, structures, materials, or characteristics described in connection with the embodiment or example as being included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that alterations, modifications, substitutions and variations may be made in the above embodiments by those skilled in the art within the scope of the utility model.

Claims

1. The lifting and hoisting device for the underground coal mine is characterized by comprising an outer shell (1) for placing equipment to be transported, an inner shell (2) arranged inside the outer shell (1), a driving assembly, 3 groups of horizontal telescopic assemblies and a compacting assembly respectively connected with the horizontal telescopic assemblies;

the horizontal telescopic assembly comprises a screw rod (3) positioned in the shell (1), a moving block (4) and a telescopic plate (8) connected with the moving block (4); the driving assembly is partially arranged in the inner shell (2), one end of the screw rod (3) is arranged on the inner shell (2) and connected with the driving assembly, and the moving block (4) is connected with the screw rod (3) and can move towards the screw rod (3);

the compressing assembly comprises a vertical box (9) connected with the expansion plate (8), an air cylinder (10) arranged in the vertical box (9) and a compressing block (12) positioned at the outer side of the vertical box (9) and connected with a piston rod of the air cylinder (10);

the upper surface of shell (1) is the rectangle, the extending direction of lead screw (3) with the limit of rectangle is parallel, the flexible direction of cylinder (10) with the upper surface of shell (1) is perpendicular.

2. Lifting and hoisting device for use downhole in coal mines according to claim 1, characterized in that the drive assembly comprises an electric motor (6) and a first bevel gear (7);

the motor (6) is arranged at the bottom of the outer shell (1), the output end of the motor (6) is connected with the first bevel gear (7), the output end of the motor (6) penetrates through the inner shell (2), and the first bevel gear (7) is located inside the inner shell (2).

3. The lifting and hoisting device for underground coal mine, according to claim 2, characterized in that the horizontal telescopic assembly further comprises a second bevel gear (5), the second bevel gear (5) is arranged on the screw rod (3), and the second bevel gear (5) is located inside the inner shell (2) and meshed with the first bevel gear (7).

4. Lifting and hoisting device for underground coal mine according to claim 1, characterized in that the screw (3) is arranged on the inner housing (2) by means of bearings.

5. Lifting and hoisting device for underground coal mine according to claim 1, characterized in that the expansion plates (8) comprise 2 expansion plates, 2 expansion plates (8) are respectively positioned at two sides of the screw rod (3), and the heights of 2 expansion plates (8) are the same.

6. Lifting and hoisting device for underground coal mine according to claim 1, characterized in that the compacting assembly further comprises a slider (11) and a connecting block (19);

the sliding block (11) is positioned in the vertical box (9), the sliding block (11) is connected with a piston rod of the air cylinder (10), a slide way (18) is further arranged on the vertical box (9), and the connecting block (19) is arranged in the slide way (18) and can move relative to the slide way (18); the compaction block (12) is connected with the connecting block (19).

7. Lifting hoisting device for underground coal mine according to claim 1, characterized in that the top of the vertical box (9) is also provided with a hook (13).

8. Lifting and hoisting device for underground coal mine according to claim 1, characterized in that the side of the compacting block (12) facing the housing (1) is also provided with a non-slip mat.

9. Lifting sling device for use downhole in coal mine according to claim 1, further comprising a support assembly arranged at the bottom of the housing (1); the support assembly comprises a T-shaped column (17), a spring (16), a columnar tube (14) and a support leg (15);

the spring (16) is sleeved at one end of the T-shaped column (17), and the other end of the T-shaped column (17) is connected with the bottom of the shell (1); the spring (16) is positioned inside the columnar tube (14), and the support legs (15) are arranged at the bottom of the columnar tube (14).