CN216077178U

CN216077178U - Coal mine tunneling and supporting device

Info

Publication number: CN216077178U
Application number: CN202122320238.0U
Authority: CN
Inventors: 王晓通
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-03-18
Anticipated expiration: 2031-09-24

Abstract

The utility model discloses a coal mine tunneling support device in the technical field of coal mine support equipment, which comprises a bottom plate, wherein a telescopic rod is fixedly connected to the upper end of the bottom plate, the upper end of the telescopic rod is connected with a support device, the support device comprises a top plate, a rotating rod, a second supporting rod, a moving ring and a support plate, the top plate is fixed to the top end of the telescopic rod, the side wall of the top plate is rotatably connected with the rotating rod through the rotating shaft, the upper end of the rotating rod is fixedly connected with a support plate, the side wall of the telescopic rod is sleeved with the moving ring, and the side wall of the moving ring is provided with a groove. According to the utility model, the top plate is driven to move by the telescopic rod for supporting, the moving ring moves upwards to enable the second support rod to rotate, the moving rod and the support plate are supported, collapse is prevented, the bevel gear and the threaded rod are driven by the motor to rotate, the threaded block can be driven to move on the side wall of the threaded rod, so that the moving rod and the first support rod are driven to move, and the rotating rod and the support plate can be supported by the first support rod by adjusting the height of the moving block, so that the support strength is improved.

Description

Coal mine tunneling and supporting device

Technical Field

The utility model relates to the technical field of coal mine supporting devices, in particular to a coal mine tunneling supporting device.

Background

The coal mine is generally divided into a mineworker coal mine and a strip coal mine, when a coal bed is far away from the ground surface, a roadway is generally selected to be excavated to the underground to dig coal, when the coal mine goes deep into the underground to mine coal, a protective support is needed to ensure the coal mining work and the safety of workers to be protected, along with the increase of the mining depth, the address condition is more complicated, the pressure is higher and higher, surrounding rocks can become loose under the action of the pressure, collapse is easy to cause, therefore, the top of the mined part of the coal mine needs to be supported through a supporting device, and people are prevented from being injured due to collapse and fragment dropping.

The height or the width of the existing coal mine tunneling support device are fixed, and only the same height or width of a mine tunnel can be supported, so that the application range is small, and the device has great limitation. Based on the above, the utility model designs a coal mine tunneling support device to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a coal mine tunneling support device to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a coal mine tunneling support device comprises a bottom plate, wherein a telescopic rod is fixedly connected to the upper end of the bottom plate, a support device is connected to the upper end of the telescopic rod and comprises a top plate, a rotating rod, a second support rod, a moving ring and a support plate, the top plate is fixed to the top end of the telescopic rod, the side wall of the top plate is rotatably connected with the rotating rod through the rotating shaft, the upper end of the rotating rod is fixedly connected with the support plate, the side wall of the telescopic rod is sleeved with the moving ring, the side wall of the moving ring is provided with a groove, the inside of the groove is rotatably connected with the second support rod through the rotating shaft, the bottom end of the rotating rod is rotatably connected with the first support rod through a connecting piece, the bottom end of the first support rod is fixedly connected with the moving block through a connecting piece, the inside of the moving block is slidably connected with the moving rod, and the moving rod and the side wall of the moving block are provided with positioning holes, and a positioning pin is fixedly connected inside the positioning hole.

Preferably, the fixed slot has been seted up to the telescopic link bottom, and the inside fixedly connected with motor of fixed slot, motor output fixedly connected with initiative bevel gear, the spout has been seted up to the bottom plate upper end, the inside rotation of spout is connected with the threaded rod, and inside the threaded rod runs through the spout and extends to the fixed slot, the threaded rod lateral wall rotates and is connected with the thread block, the threaded rod is located the one end fixedly connected with driven bevel gear of fixed slot, and driven bevel gear and the meshing of initiative bevel gear.

Preferably, the supporting device is provided with a plurality of groups, and the groups are uniformly distributed above the telescopic rods.

Preferably, the side wall of the rotating rod is fixedly connected with a plurality of groups of reinforcing rods, and the upper ends of the reinforcing rods are fixedly connected with the bottom end of the supporting plate.

Preferably, the second bracing piece is extending structure, and second bracing piece upper end and bottom rotate with dwang, shifting ring respectively and are connected.

Preferably, the bottom of the bottom plate is provided with a roller, and the bottom of the bottom plate is fixedly connected with a hydraulic support rod.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the top plate is driven to move by the telescopic rod for supporting, the moving ring moves upwards to enable the second support rod to rotate, the moving rod and the support plate are supported, collapse is prevented, the bevel gear and the threaded rod are driven by the motor to rotate, the threaded block can be driven to move on the side wall of the threaded rod, so that the moving rod and the first support rod are driven to move, and the rotating rod and the support plate can be supported by the first support rod by adjusting the height of the moving block, so that the support strength is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic diagram showing the development of a coal mine excavation supporting device of the present invention;

FIG. 2 is a close-up schematic view of the present invention;

FIG. 3 is a schematic view of the stowed internal structure of the present invention;

FIG. 4 is an enlarged view of the utility model at A in FIG. 3.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a base plate; 2. a travel bar; 3. a first support bar; 4. supporting the guard plate; 5. a second support bar; 6. a top plate; 7. rotating the rod; 8. a moving ring; 9. a telescopic rod; 10. positioning pins; 11. positioning holes; 12. a moving block; 13. a threaded rod; 14. a thread block; 15. a chute; 16. a motor; 17. a drive bevel gear; 18. a driven bevel gear.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a colliery tunnelling supporting device, comprising a

base plate

1, 1 bottom of bottom plate is provided with the gyro wheel, make things convenient for colliery tunnelling supporting device's removal, 1 bottom fixedly connected with hydraulic support rod of bottom plate, improve colliery tunnelling supporting device's stability, 1 upper end fixedly connected with telescopic link 9 of bottom plate, can adjust colliery tunnelling supporting device's height, the practicality is improved, telescopic link 9 upper end is connected with supporting device, supporting device is provided with the multiunit, and evenly distributed is in the top of telescopic link 9, supporting device includes roof 6, dwang 7, second bracing piece 5, shift ring 8 and supporting plate 4.

The top plate 6 is fixed at the top end of a telescopic rod 9, the side wall of the top plate 6 is rotatably connected with a rotating rod 7 through a rotating shaft, the side wall of the rotating rod 7 is fixedly connected with a plurality of groups of reinforcing rods, the upper end of the rotating rod 7 is fixedly connected with a supporting plate 4, the upper end of the reinforcing rod is fixedly connected with the bottom end of the supporting plate 4, the side wall of the telescopic rod 9 is sleeved with a moving ring 8, the side wall of the moving ring 8 is provided with a groove, the inside of the groove is rotatably connected with a second supporting rod 5 through the rotating shaft, the second supporting rod 5 is of a telescopic structure, the moving ring 8 is connected with the rotating rod 7 through a second supporting rod 5, the second supporting rod 5 and the rotating rod 7 are driven to rotate through the moving ring 8, the supporting plate 4 is subjected to angle adjustment, the top of the mined part of a coal mine is supported, the supporting area is enlarged, the bottom end of the rotating rod 7 is rotatably connected with a first supporting rod 3 through a connecting piece, and the bottom end of the first supporting rod 3 is fixedly connected with a moving block 12 through a connecting piece, the moving rod 2 is connected to the inside of the moving block 12 in a sliding mode, positioning holes 11 are formed in the side walls of the moving rod 2 and the side wall of the moving block 12, and positioning pins 10 are fixedly connected to the inside of the positioning holes 11.

The bottom end of the telescopic rod 9 is provided with a fixing groove, a motor 16 is fixedly connected inside the fixing groove, the output end of the motor 16 is fixedly connected with a driving bevel gear 17, the upper end of the bottom plate 1 is provided with a sliding groove 15, the inside of the sliding groove 15 is rotatably connected with a threaded rod 13, the threaded rod 13 penetrates through the sliding groove 15 and extends into the inside of the fixing groove, the side wall of the threaded rod 13 is rotatably connected with a threaded block 14, one end of the threaded rod 13, which is positioned at the fixing groove, is fixedly connected with a driven bevel gear 18, the driven bevel gear 18 is meshed with the driving bevel gear 17, the driving bevel gear 17 is driven by the motor 16 to rotate, so as to drive the driven bevel gear 18 and the threaded rod 13 to rotate, the threaded block 14 drives the moving rod 2 to move on the side wall of the threaded rod 13, the height of the moving block 12 on the side wall of the moving rod 2 is adjusted, so as to adjust the angle of the first supporting rod 3, and support the rotating rod 7 and the supporting plate 4, the supporting strength is improved.

The overall working principle is as follows: move the supporting device to suitable position through the gyro wheel, fix the supporting device under the effect of hydraulic support pole, it supports to move up the top that arrives the coal mine exploitation part through telescopic link 9 drive roof 6, it rotates to drive second bracing piece 5 and dwang 7 through removing shift ring 8, carry out angle modulation to supporting plate 4, and support the top of the coal mine exploitation part, enlarge the support area, drive the rotation of initiative bevel gear 17 through motor 16, thereby drive the rotation of driven bevel gear 18 and threaded rod 13, make threaded block 14 drive carriage release lever 2 and move at threaded rod 13 lateral wall, through adjusting the height of movable block 12 at carriage release lever 2 lateral wall, thereby adjust the angle of first bracing piece 3, support carriage release lever 7 and supporting plate 4, improve support strength.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer 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.

Claims

1. The utility model provides a colliery tunnelling supporting device, includes bottom plate (1), its characterized in that: the upper end of the bottom plate (1) is fixedly connected with a telescopic rod (9), the upper end of the telescopic rod (9) is connected with a supporting device, the supporting device comprises a top plate (6), a rotating rod (7), a second supporting rod (5), a moving ring (8) and a supporting plate (4), the top plate (6) is fixed at the top end of the telescopic rod (9), the side wall of the top plate (6) is rotatably connected with the rotating rod (7) through a rotating shaft, the upper end of the rotating rod (7) is fixedly connected with the supporting plate (4), the side wall of the telescopic rod (9) is sleeved with the moving ring (8), the side wall of the moving ring (8) is provided with a groove, the inside of the groove is rotatably connected with the second supporting rod (5) through the rotating shaft, the moving ring (8) and the rotating rod (7) are connected through the second supporting rod (5), the bottom end of the rotating rod (7) is rotatably connected with a first supporting rod (3) through a connecting piece, and the bottom end of the first supporting rod (3) is fixedly connected with a moving block (12) through a connecting piece, the moving block (12) is internally and slidably connected with a moving rod (2), positioning holes (11) are formed in the side walls of the moving rod (2) and the moving block (12), and positioning pins (10) are fixedly connected in the positioning holes (11).

2. A coal mine tunnelling support device as defined in claim 1, in which: the fixed slot has been seted up to telescopic link (9) bottom, and the inside fixedly connected with motor (16) of fixed slot, motor (16) output end fixedly connected with drive bevel gear (17), spout (15) have been seted up to bottom plate (1) upper end, spout (15) internal rotation is connected with threaded rod (13), and threaded rod (13) run through spout (15) and extend to inside the fixed slot, threaded rod (13) lateral wall rotates and is connected with thread block (14), threaded rod (13) are located the one end fixedly connected with driven bevel gear (18) of fixed slot, and driven bevel gear (18) and drive bevel gear (17) meshing.

3. A coal mine tunnelling support device as defined in claim 1, in which: the supporting device is provided with a plurality of groups, and the groups are uniformly distributed above the telescopic rods (9).

4. A coal mine tunnelling support device as defined in claim 1, in which: dwang (7) lateral wall fixedly connected with multiunit stiffener, and stiffener upper end and a backplate (4) bottom fixed connection.

5. A coal mine tunnelling support device as defined in claim 1, in which: the second supporting rod (5) is of a telescopic structure, and the upper end and the bottom end of the second supporting rod (5) are respectively connected with the rotating rod (7) and the moving ring (8) in a rotating mode.

6. A coal mine tunnelling support device as defined in claim 1, in which: the bottom of the bottom plate (1) is provided with rollers, and the bottom of the bottom plate (1) is fixedly connected with a hydraulic support rod.