CN214577122U

CN214577122U - Coal mine tunneling and supporting device

Info

Publication number: CN214577122U
Application number: CN202120612232.8U
Authority: CN
Inventors: 苏菲
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2021-11-02
Anticipated expiration: 2031-03-26

Abstract

The utility model discloses a colliery tunnelling supporting device relates to colliery supporting equipment technical field. The utility model discloses a level to the loading board in coal mine tunnel length direction both sides is placed to two symmetries, the symmetry is provided with two vertical to loop bars on the loading board, the loop bar is inside to be provided with one can be inside along the slide bar of vertical direction motion, and is a plurality of the slide bar top is provided with a level to guard plate, still includes a setting and is in be used for controlling two on the loading board the slide bar is at vertical direction synchronous motion's actuating mechanism. The utility model discloses a design two loop bars on the loading board, can follow the slide bar of vertical direction motion at loop bar internal design one, at guard plate of a plurality of slide bar top designs, actuating mechanism that two slide bars that rethread design are used for controlling on the same loading board move in vertical direction in step to the highly convenient regulation of the guard plate at top has been realized.

Description

Coal mine tunneling and supporting device

Technical Field

The utility model relates to a colliery supporting equipment technical field especially relates to a colliery tunnelling supporting device.

Background

Coal mines are areas where humans mine coal resources in coal-rich mining areas, and are generally divided into underground coal mines and opencast coal mines. When the coal seam is far from the ground surface, a tunnel is usually dug to the underground, so that the coal is a mineworker coal mine. When the coal seam is very close to the earth surface, the coal is generally excavated by directly stripping the earth surface, which is an open pit coal mine. The vast majority of coal mines in China belong to underground coal mines.

When coal mine excavation work is carried out underground, a roadway needs to be supported after excavation, the supporting device mainly has the function of preventing rock at the top of the roadway from falling to damage personnel and machinery, and the height of a top protection plate is difficult to adjust by the conventional supporting device, so that the supporting operation is difficult to implement, and the problem is solved by the coal mine excavation supporting device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: for solving the problem that the height of top guard plate is difficult to adjust to current colliery tunnelling supporting device, the utility model provides a colliery tunnelling supporting device.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

a coal mine tunneling support device comprises: the bearing board of the level of placing in coal mine tunnel length direction both sides to two symmetries, the symmetry is provided with two vertical to loop bars on the bearing board, the loop bar is inside to be provided with one can be inside along the slide bar of vertical direction motion, and is a plurality of the slide bar top is provided with the guard plate of a level to, still includes a setting and is in be used for controlling two on the bearing board the slide bar is at vertical direction synchronous motion's actuating mechanism.

Furthermore, the loop bar is fixedly connected with the bearing plate; the sleeve rod is internally provided with a vertical groove, and the sliding rod is positioned in the groove.

Furthermore, a horizontal threaded sleeve is arranged on one side, close to each other, of each of the two sliding rods on the same bearing plate, the threaded sleeves are fixedly connected with the sliding rods, the driving mechanism comprises a vertical threaded rod which penetrates through the threaded sleeves and is matched with the threaded sleeves, the bottom of the threaded rod is positioned in the bearing plate and is constructed to be in bearing connection with the threaded rod, the driving mechanism further comprises a horizontal gear which is sleeved outside the threaded rod and is positioned between the threaded sleeves and the bearing plate, worms matched with the gears are arranged on the same side of the outer portions of the two gears on the same bearing plate, the two worms are connected through a horizontal rotating rod, the rotating rod is fixed on the bearing plate through two vertical bearings, and a control mechanism is arranged at one end of the rotating rod in the length direction, which is used for driving the rotating rod to rotate.

Furthermore, the control mechanism comprises a vertical disc and a horizontal crank, wherein the vertical disc is fixedly connected with the rotating rod, and the horizontal crank is arranged on one side, far away from the rotating rod, of the disc.

Furthermore, the threaded rod is arranged outside and at the bottom of the threaded sleeve, a first horizontal limiting part is arranged, and a second horizontal limiting part is arranged at the top of the threaded rod.

Further, the protection plate and the bearing plate are both rectangular.

The utility model has the advantages as follows:

the utility model discloses a design two loop bars on the loading board, can follow the slide bar of vertical direction motion at loop bar internal design one, at guard plate of a plurality of slide bar top designs, actuating mechanism that two slide bars that rethread design are used for controlling on the same loading board move in vertical direction in step to the highly convenient regulation of the guard plate at top has been realized.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is a side view of the present invention;

fig. 4 is a front view of the present invention.

Reference numerals: 1. a carrier plate; 2. a loop bar; 21. a groove; 3. a slide bar; 31. a threaded sleeve; 4. a protection plate; 5. a drive mechanism; 51. a threaded rod; 511. a first limiting part; 512. a second limiting part; 52. a gear; 53. a worm; 54. a rotating rod; 55. a first bearing; 6. a control mechanism; 61. a disc; 62. a crank handle.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "up", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are conventionally placed when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

As shown in fig. 1, an embodiment of the present invention provides a coal mine tunneling support device, which comprises two horizontal bearing plates 1 symmetrically disposed at two sides of a coal mine tunnel in the length direction, two vertical loop bars 2 symmetrically disposed on the bearing plates 1, a sliding bar 3 disposed inside the loop bar 2 and capable of moving vertically, a horizontal protection plate 4 disposed on the top of the sliding bar 3, and a driving mechanism 5 disposed on the bearing plates 1 and used for controlling the synchronous movement of the two sliding bars 3 in the vertical direction, wherein the height of the coal mine tunnel is limited, the height of the protective plate 4 needs to be reduced before tunneling support is carried out, so that the whole device can be placed into a roadway, when the device entered into the tunnel, reuse actuating mechanism 5 and make slide bar 3 rise, drive guard plate 4 simultaneously and rise for guard plate 4 contradicts the top position in tunnel.

As shown in fig. 1 and 3, the loop bar 2 is fixedly connected with the bearing plate 1; the loop bar 2 is internally configured with a vertical groove 21, the sliding bar 3 is positioned inside the groove 21, and it should be noted that the top of the sliding bar 3 is higher than the top of the loop bar 2.

As shown in fig. 1, 3 and 4, a horizontal threaded sleeve 31 is disposed on one side of each of two adjacent sliding rods 3 on the same bearing plate 1, the threaded sleeve 31 is fixedly connected with the sliding rod 3, the driving mechanism 5 includes a vertical threaded rod 51 penetrating through the threaded sleeve 31 and adapted to the threaded sleeve 31, the bottom of the threaded rod 51 is located inside the bearing plate 1 and configured to be connected with a bearing, a horizontal gear 52 sleeved outside the threaded rod 51 and located between the threaded sleeve 31 and the bearing plate 1, a worm 53 engaged with the gear 52 is disposed on the same side of the outside of the two gears 52 on the same bearing plate 1, the two worms 53 are connected with each other by a horizontal rotating rod 54, the rotating rod 54 is fixed on the bearing plate 1 by two vertical bearings 55, and a control mechanism 6 is disposed at one end of the rotating rod 54 in the length direction for driving the rotating rod 54 to rotate, when the height of protection plate 4 needs to be raised, two rotating rods 54 are enabled to synchronously rotate through two control mechanisms 6, the rotating rods 54 drive the worms 53 to rotate, the worms 53 drive the gears 52 to rotate, the gears 52 drive the internal threaded rods 51 to rotate, the bottom bearings of the threaded rods 51 are fixed at the bottom of the bearing plate 1, the threaded sleeves 31 are matched with the threaded rods 51, the threaded sleeves 31 are fixed on the sliding rods 3, the threaded sleeves 31 are driven to move upwards, the threaded sleeves 31 drive the sliding rods 3 to move upwards in the grooves 21, and finally the protection plate 4 is driven to move upwards in the vertical direction to enable the protection plate to abut against the top of a roadway.

As shown in fig. 1 and 4, the control mechanism 6 includes a vertical disc 61 fixedly connected to the rotating rod 54, and a horizontal crank 62 disposed on a side of the disc 61 away from the rotating rod 54, wherein the rotating rod 54 is driven to rotate by the crank 62.

As shown in fig. 3, a horizontal first limiting member 511 is disposed outside the threaded rod 51 and at the bottom of the threaded sleeve 31, and a horizontal second limiting member 512 is disposed at the top of the threaded rod 51, and the first limiting member 511 and the second limiting member 512 are used to prevent the threaded sleeve 31 from falling off the threaded rod 51 when the protection plate 4 moves upward.

As shown in fig. 1, both the protective plate 4 and the carrier plate 1 are rectangular in shape.

Claims

1. The utility model provides a colliery tunnelling supporting device which characterized in that includes: the bearing board (1) of level to of placing in coal mine tunnel length direction both sides is gone up to two symmetries, the symmetry is provided with two vertical to loop bar (2) on bearing board (1), loop bar (2) inside be provided with one can be inside along the slide bar (3) of vertical direction motion, a plurality of slide bar (3) top is provided with one level to guard plate (4), still includes one and sets up be used for on bearing board (1) control two slide bar (3) are at vertical direction synchronous motion's actuating mechanism (5).

2. A coal mine excavation support device as claimed in claim 1, characterized in that the sleeve rod (2) is fixedly connected with the bearing plate (1); a vertical groove (21) is formed in the sleeve rod (2), and the sliding rod (3) is located in the groove (21).

3. The coal mine excavation supporting device of claim 2, wherein a horizontal threaded sleeve (31) is fixed on one side of each of two adjacent sliding rods (3) on the same bearing plate (1), the driving mechanism (5) comprises a threaded rod (51) which penetrates through the threaded sleeve (31) in a threaded manner, the bottom of the threaded rod (51) is positioned in the bearing plate (1) and is constructed to be connected with the bearing plate in a bearing manner, the coal mine excavation supporting device further comprises a horizontal gear (52) which is sleeved outside the threaded rod (51) and positioned between the threaded sleeve (31) and the bearing plate (1), the same side of the outside of two gears (52) on the same bearing plate (1) is provided with a worm (53) which is matched with the gear (52), and the two worms (53) are connected through a horizontal rotating rod (54), the rotating rod (54) is fixed on the bearing plate (1) through two vertical bearings (55), and one end of the rotating rod (54) in the length direction is provided with a control mechanism (6) which is used for driving the rotating rod (54) to rotate.

4. A coal mine tunnelling support device as claimed in claim 3, in which said control mechanism (6) comprises a vertically oriented disc (61) which is arranged in fixed connection with said rotary rod (54), and a horizontally oriented handle (62) arranged on the side of said disc (61) remote from said rotary rod (54).

5. A coal mine tunnelling support device as defined in claim 3, in which a first horizontal stop (511) is provided on the exterior of the threaded rod (51) at the bottom of the threaded sleeve (31) and a second horizontal stop (512) is provided on the top of the threaded rod (51).

6. A coal mine excavation support device as claimed in claim 1, characterized in that the shield plate (4) and the carrying plate (1) are both of rectangular configuration.