CN219281764U - Coal mine tunneling supporting device - Google Patents

Abstract

The utility model discloses a coal mine tunneling supporting device, which belongs to the technical field of supporting equipment and comprises a first main supporting rod and a second main supporting rod, wherein a transverse rod is arranged between the first main supporting rod and the second main supporting rod, a first auxiliary supporting rod and a second auxiliary supporting rod are rotatably arranged at the bottoms of the first main supporting rod and the second main supporting rod, and a fixed base is rotatably arranged at the bottoms of the first auxiliary supporting rod and the second auxiliary supporting rod. According to the utility model, through the arrangement of the first main supporting rod, the second main supporting rod, the first auxiliary supporting rod, the second auxiliary supporting rod and the fixed base, the heights of the first main supporting rod and the second main supporting rod can be adjusted through the first auxiliary supporting rod, the second auxiliary supporting rod and the fixed base in the using process, so that the use of gears and racks is avoided, meanwhile, the device is not influenced by the underground environment when the height is adjusted, the whole use of the device is more stable and reliable, and the whole service life of the device is prolonged.

Description

Coal mine tunneling supporting device

Technical Field

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

Background

In the process of coal mining, a large number of tunnels are required to be excavated underground, and in the process of tunneling, in order to prevent the rock of the top plate just blasted from loosening and falling to hurt people, a supporting device is required to be supported at the bottom of the top plate after the coal mining tunnel is blasted, so that the smoothness of the tunnel and the stability of surrounding rock are maintained. The utility model discloses a colliery tunnelling strutting arrangement in application that application number is CN202122165660.3, which comprises a supporting bar, telescopic is provided with the lifter in the bracing piece, be provided with elevating system on the bracing piece, elevating system is used for controlling the lift of lifter, and the top of lifter is provided with the sideslip case, and the side of sideslip case is provided with the sideslip motor, the inside of sideslip case is provided with two-way sideslip mechanism, and two-way sideslip mechanism is connected with the output shaft of sideslip motor, the top of sideslip case is provided with the sideslip groove. This coal mine tunneling supporting device is convenient for drive the lifter through elevating system's power and goes up and down in the bracing piece to realize adjusting the effect of sideslip case supporting height on the lifter, utilize two bracing pieces on the operation drive of two-way sideslip mechanism sideslip towards relative or one side that separates mutually, and then promote to support the arc board and contact with the wall, thereby realize adjusting the effect of supporting the width. However, in the above application, the space between the gear and the rack is easily blocked by ore scraps or soil during the use process in the roadway, which affects the adjustment of the whole height and is not stable and reliable enough to use.

Aiming at the problem that the gear and the rack are easily blocked by ore scraps or soil in the process of using the application in a roadway and are not stable and reliable enough to use, the utility model provides a novel solution.

Disclosure of Invention

The utility model mainly aims to solve the defects in the prior art and provides a coal mine tunneling supporting device.

The aim of the utility model can be achieved by adopting the following technical scheme:

the utility model provides a colliery tunnelling strutting arrangement, includes first main tributary vaulting pole and second main tributary vaulting pole, first main tributary vaulting pole with install the horizontal pole between the second main tributary vaulting pole, first auxiliary support pole with the bottom of second main tributary vaulting pole is all rotated and is installed first auxiliary support pole and second auxiliary support pole, first auxiliary support pole with the bottom of second auxiliary support pole is all rotated and is installed unable adjustment base.

Preferably, the inner sides of the first main support bar and the second main support bar are each mounted with a support assembly for supporting the crossbar.

Preferably, the support assembly comprises a support frame, and a plurality of first fixing studs are connected to the support frame in a threaded mode.

Preferably, the cross bar comprises a first adjusting block and a second adjusting block which are symmetrically arranged.

Preferably, the first adjusting block is movably connected with the second adjusting block through a connecting rod.

Preferably, the first adjusting block and the second adjusting block are provided with second grooves which are matched with the connecting rods.

Preferably, the first adjusting block and the second adjusting block are both in threaded connection with a second fixing stud, and screw holes matched with the first fixing stud are formed in the first adjusting block and the second adjusting block.

Preferably, the second main supporting rod comprises a rod body, a first groove is formed in the bottom of the rod body, and two rotating shafts are symmetrically arranged in the first groove.

Preferably, the fixing base comprises a bottom plate, and the top of the bottom plate is provided with a mounting seat.

Preferably, both sides of the mounting seat are provided with fixing nails penetrating through the bottom plate.

The beneficial technical effects of the utility model are as follows: according to the coal mine tunneling supporting device, through the arrangement of the first main supporting rod, the second main supporting rod, the first auxiliary supporting rod, the second auxiliary supporting rod and the fixing base, the heights of the first main supporting rod and the second main supporting rod can be adjusted through the first auxiliary supporting rod, the second auxiliary supporting rod and the fixing base in the using process, the use of gears and racks is avoided, meanwhile, the device is not influenced by the underground environment when the height is adjusted, the whole device is more stable and reliable to use, and meanwhile, the whole service life of the device is prolonged.

Drawings

FIG. 1 is a schematic view of the overall structure of a preferred embodiment provided in accordance with the present utility model;

FIG. 2 is a schematic view of a rod structure according to a preferred embodiment of the present utility model;

FIG. 3 is a schematic view of a second primary support bar according to a preferred embodiment of the present utility model;

FIG. 4 is a schematic view of a connection structure of a first adjusting block and a second adjusting block according to a preferred embodiment of the present utility model;

FIG. 5 is a schematic diagram of a first adjusting block according to a preferred embodiment of the present utility model;

fig. 6 is a schematic structural view of a support frame according to a preferred embodiment of the present utility model.

In the figure: 1. a first main support bar; 2. a second main support bar; 3. a first auxiliary supporting rod; 4. a second auxiliary supporting rod; 5. a fixed base; 6. a support assembly; 7. a cross bar; 201. a rod body; 202. a first groove; 203. a rotating shaft; 501. a bottom plate; 502. fixing nails; 503. a mounting base; 601. a support frame; 602. a first fixing stud; 701. a first adjustment block; 702. a second adjustment block; 703. a connecting rod; 704. a second groove; 705. a second fixing stud; 706. screw holes.

Detailed Description

In order to make the technical solution of the present utility model more clear and obvious to those skilled in the art, the present utility model will be described in further detail with reference to examples and drawings, but the embodiments of the present utility model are not limited thereto.

As shown in fig. 1 to 6, the coal mine tunneling support device provided in this embodiment includes a first main support rod 1 and a second main support rod 2, a cross rod 7 is installed between the first main support rod 1 and the second main support rod 2, a first auxiliary support rod 3 and a second auxiliary support rod 4 are rotatably installed at the bottoms of the first main support rod 1 and the second main support rod 2, and a fixed base 5 is rotatably installed at the bottoms of the first auxiliary support rod 3 and the second auxiliary support rod 4. Through the setting of first main tributary vaulting pole 1, second main tributary vaulting pole 2, first auxiliary stay pole 3, second auxiliary stay pole 4 and unable adjustment base 5, can realize the adjustment to the height of first main tributary vaulting pole 1 and second main tributary vaulting pole 2 through first auxiliary stay pole 3, second auxiliary stay pole 4 and unable adjustment base 5 in the use, avoided the use of gear and rack, also make the device not receive the influence of the environment in the pit when adjusting the height simultaneously, make the whole use of device more reliable and stable, also improved the whole life of device simultaneously.

The inner sides of the first main supporting rod 1 and the second main supporting rod 2 are respectively provided with a supporting component 6 used for supporting the transverse rod 7, the supporting component 6 comprises a supporting frame 601, and a plurality of first fixing studs 602 are connected to the supporting frame 601 in a threaded mode. Through the setting of support frame 601 and first fixed double-screw bolt 602, can conveniently support and fix 7.

The horizontal pole 7 includes the first regulating block 701 and the second regulating block 702 that the symmetry set up, through connecting rod 703 swing joint between first regulating block 701 and the second regulating block 702, all seted up the second recess 704 mutually supporting with connecting rod 703 on first regulating block 701 and the second regulating block 702, all threaded connection has second fixed double-screw bolt 705 on first regulating block 701 and the second regulating block 702, all seted up on first regulating block 701 and the second regulating block 702 with first fixed double-screw bolt 602 mutually supporting screw hole 706. When the device is used, the distance between the first adjusting block 701 and the second adjusting block 702 is adjusted, then the first adjusting block 701, the second adjusting block 702 and the connecting rod 703 are fixed through the second fixing stud 705, and the adjustment of the whole length of the cross rod 7 can be completed, so that the device can use roadways with different widths, and the device can be conveniently matched with the first fixing stud 602 to use through the arrangement of the screw holes 706.

The second main supporting rod 2 comprises a rod body 201, a first groove 202 is formed in the bottom of the rod body 201, and two rotating shafts 203 are symmetrically arranged in the first groove 202. By the arrangement of the first groove 202 and the rotation shaft 203, the rotation installation of the first sub-support bar 3 and the second sub-support bar 4 can be facilitated.

The fixed base 5 comprises a bottom plate 501, a mounting seat 503 is mounted on the top of the bottom plate 501, and fixing nails 502 penetrating through the bottom plate 501 are arranged on two sides of the mounting seat 503. Through setting up of mount pad 503, can make things convenient for bottom plate 501 and first auxiliary stay 3 and second auxiliary stay 4 to rotate and be connected, through setting up of staple 502, can conveniently fix bottom plate 501 to restrict the angle between first auxiliary stay 3 and the second auxiliary stay 4.

In this embodiment, as shown in fig. 1 to 6, the working process of the coal mine tunneling and supporting device provided in this embodiment is as follows:

step 1: when the support is used, the heights of the first main support rod 1 and the second main support rod 2 are adjusted by adjusting the angle between the first auxiliary support rod 3 and the second auxiliary support rod 4, after the adjustment, the fixing nails 502 are nailed into the ground, and the positions of the first auxiliary support rod 3 and the second auxiliary support rod 4 can be fixed through the bottom plate 501 and the mounting seat 503, so that the first main support rod 1, the second main support rod 2 and the cross rod 7 can play a supporting role;

step 2: in the use process, the distance between the first adjusting block 701 and the second adjusting block 702 can be adjusted according to the width of the roadway, and after the adjustment is finished, the first adjusting block 701, the second adjusting block 702 and the connecting rod 703 are fixed through the second fixing stud 705, so that the device can be suitable for the roadways with different widths.

The above description is merely a further embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto, and any person skilled in the art will be able to apply equivalents and modifications according to the technical solution and the concept of the present utility model within the scope of the present utility model disclosed in the present utility model.

Claims (10)

1. The utility model provides a colliery tunneling strutting arrangement, its characterized in that includes first main tributary vaulting pole (1) and second main tributary vaulting pole (2), first main tributary vaulting pole (1) with install horizontal pole (7) between second main tributary vaulting pole (2), first main tributary vaulting pole (1) with the bottom of second main tributary vaulting pole (2) is all rotated and is installed first pair bracing piece (3) and second pair bracing piece (4), first pair bracing piece (3) with unable adjustment base (5) are all rotated to the bottom of second pair bracing piece (4).

2. A coal mine tunnelling support device as claimed in claim 1 wherein the inner sides of the first main support bar (1) and the second main support bar (2) are each fitted with a support assembly (6) for supporting the cross bar (7).

3. A coal mine tunnelling support device as claimed in claim 2 wherein the support assembly (6) comprises a support frame (601), the support frame (601) being threadably connected to a plurality of first fixing studs (602).

4. A coal mine tunnelling support device as claimed in claim 3 wherein the cross bar (7) includes first and second symmetrically arranged adjustment blocks (701, 702).

5. A coal mine tunnelling support device as claimed in claim 4 wherein the first and second adjustment blocks (701, 702) are movably connected by a connecting rod (703).

6. A coal mine tunnelling support device as claimed in claim 5 wherein the first and second adjustment blocks (701, 702) are each provided with a second recess (704) which is inter-fitted with the connecting rod (703).

7. The coal mine tunneling support device according to claim 6, wherein the first adjusting block (701) and the second adjusting block (702) are both in threaded connection with a second fixing stud (705), and screw holes (706) matched with the first fixing stud (602) are formed in the first adjusting block (701) and the second adjusting block (702).

8. A coal mine tunnelling support device as claimed in claim 1 wherein the second main support bar (2) comprises a bar body (201), a first groove (202) is formed in the bottom of the bar body (201), and two rotating shafts (203) are symmetrically arranged in the first groove (202).

9. A coal mine tunnelling support device as claimed in claim 1 wherein the fixed base (5) comprises a base plate (501), the top of the base plate (501) being fitted with a mounting seat (503).

10. A coal mine tunnelling support device as claimed in claim 9 wherein the mounting base (503) is provided on both sides with a peg (502) extending through the base plate (501).

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