CN218992570U

CN218992570U - Steel pipe fixing support for underground coal mine

Info

Publication number: CN218992570U
Application number: CN202223550100.0U
Authority: CN
Inventors: 刘剑军
Original assignee: Baotou Junda Pipe Industry Co ltd
Current assignee: Baotou Junda Pipe Industry Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-05-09
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses a steel pipe fixing support for underground coal mines, which comprises a base, wherein two sides of the top of the base are fixedly connected with supporting plates, the top of each supporting plate is fixedly connected with a top plate, the center of the top of the base is fixedly connected with a first arc plate, the top of the top is provided with a first threaded hole, the inner threads of the first threaded hole are connected with a first fixing bolt, and the bottom of each top plate is fixedly provided with a spring: when the underground coal mine is used for fixing the steel pipes, the steel pipes are placed above the first arc-shaped plates, the first fixing bolts in the first threaded holes are screwed to enable the first fixing bolts to push the second arc-shaped plates until the bottoms of the second arc-shaped plates are abutted against the tops of the steel pipes, the fixing of the steel pipes is completed, when the steel pipes are required to be detached, the first fixing bolts are reversely screwed to enable the first fixing bolts not to be abutted against the second arc-shaped plates, the detachment is more convenient, and the steel pipes with different pipe diameters can be pressed and fixed through the structure.

Description

Steel pipe fixing support for underground coal mine

Technical Field

The utility model relates to the technical field of steel pipe fixing, in particular to a steel pipe fixing support for underground coal mines.

Background

Coal mines are reasonable spaces that humans excavate when excavating geologic formations rich in coal, and generally include roadways, shaft pits, face formations, and the like. Coal is the most predominant solid fuel, one of the combustible organic rocks. The method is characterized in that the method is formed by gradually accumulating thick layers of flourishing plants growing in a certain geological period in a proper geological environment, burying the thick layers in water bottom or sediment, and performing natural coalification in the long geological period, wherein most of mineral layers are far away from the ground surface, so that a surface mining mode cannot be used. Underground mining currently accounts for 60% of world coal mine production. The underground coal mine gas is pumped and discharged, positive pressure ventilation, negative pressure ventilation, water supply and drainage, guniting and the like are achieved by adopting composite steel pipes, if the steel pipes are not fixed underground, the installation quality of the steel pipes is easily affected, and safety accidents can be caused by the fact that the steel pipes topple over when serious, so that the steel pipes are required to be fixed by using steel pipe fixing supports.

As disclosed in chinese patent application number CN201721024049.6, the steel pipe fixing support for underground coal mine comprises a base and a fixing pipe, wherein the base is provided with a steel pipe through hole and 6 fixing holes, the upper end of the base is provided with a base edge, the base edge is rectangular, 4 vertex angle positions are provided with positioning round holes, and the fixing pipe is provided with two layers of reinforcing rib layers; although the steel pipe can be put into the fixed support during construction, the concrete is poured into the fixed hole to firmly combine the steel pipe and the fixed support, and the positioning round hole is convenient for positioning and fixing, so that the steel pipe is firm and stable, and accidents can be prevented and avoided; however, the steel pipe is required to be maintained or replaced over time, and the above-mentioned patent firmly bonds the steel pipe and the fixing support by concrete, but the disassembly of the steel pipe is inconvenient if it is required to be replaced later.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a steel pipe fixing support for underground coal mines.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a colliery is steel pipe fixing support for pit, includes the base, the equal fixedly connected with backup pad in top both sides of base, the top fixedly connected with roof of backup pad, the first arc of top center fixedly connected with of base, first screw hole has been seted up at the top at top, the inside threaded connection of first screw hole has first fixing bolt, the bottom fixed mounting of roof has the spring, the bottom fixedly connected with mounting panel of spring, the bottom fixedly connected with of mounting panel and the corresponding second arc of first arc.

Preferably, the spout has been seted up to the inside of base, the inside one side rotation of spout is connected with two-way threaded rod, the opposite side of two-way threaded rod stretches out spout fixedly connected with carousel, the fluting has all been seted up to the both sides at base top, two sets of the fluting all is linked together with the spout, the surface both sides of two-way threaded rod are threaded connection respectively has the slider, two sets of the top fixedly connected with limiting plate of slider, the first half sliding connection of slider is in grooved inside.

Preferably, the empty slot has been seted up to one side of limiting plate, the inside sliding connection in empty slot has two sets of connecting plates, and two sets of the through-hole has all been seted up at the top of connecting plate, the screw rod has been placed to the inside of through-hole, the surface threaded connection of screw rod has two sets of fixation nut, two sets of fixation nut is located the top and the below of two sets of connecting plates respectively, the second screw hole has been seted up at the top of limiting plate, the inside threaded connection of second screw hole has second fixing bolt, the bottom of second fixing bolt stretches into the inside in empty slot and is connected with one of them connecting plate top rotation that is located the top, one side fixedly connected with half arc fixed block of connecting plate.

Preferably, the bottom fixedly connected with sleeve of roof, telescopic inside sliding connection has the connecting rod, the bottom and the mounting panel fixed connection of connecting rod, the sleeve is located the inside of spring.

The beneficial effects of the utility model are as follows: according to the steel pipe fixing support for the underground coal mine, when the steel pipes are fixed in the underground coal mine, the steel pipes are placed above the first arc-shaped plates, the first fixing bolts in the first threaded holes are screwed to push the second arc-shaped plates until the bottoms of the second arc-shaped plates are abutted against the tops of the steel pipes, the steel pipes are fixed, when the steel pipes are required to be detached, the first fixing bolts are reversely screwed to enable the first fixing bolts not to be abutted against the second arc-shaped plates, the steel pipes with different pipe diameters are more conveniently detached, the steel pipes can be pressed and fixed through the structure, the rotating discs are rotated to enable the two groups of sliding blocks to drive the two groups of limiting plates to move towards the steel pipes to fix the left side and the right side of the steel pipes, then the second fixing bolts are screwed to push the steel pipes to a proper position, then the four groups of semi-arc-shaped fixing blocks are clamped and fixed, and then the fixing nuts are screwed to enable the bottoms of the second arc-shaped fixing blocks to be respectively abutted against the tops and bottoms of the corresponding semi-arc-shaped fixing blocks, and the steel pipes are not separated from each other, and fixing effects of the steel pipes are guaranteed.

Drawings

FIG. 1 is a schematic view of the basic structure of the present utility model;

fig. 2 is an enlarged view of the structure of fig. 1 a according to the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

As shown in fig. 1-2, the underground steel pipe fixing support for the coal mine provided by the utility model comprises a base 1, wherein two sides of the top of the base 1 are fixedly connected with a supporting plate 2, the top of the supporting plate 2 is fixedly connected with a top plate 3, the center of the top of the base 1 is fixedly connected with a first arc plate 4, the top of the top is provided with a first threaded hole 5, the inner thread of the first threaded hole 5 is connected with a first fixing bolt 6, the bottom of the top plate 3 is fixedly provided with a spring 7, the bottom of the spring 7 is fixedly connected with a mounting plate 25, and the bottom of the mounting plate 25 is fixedly connected with a second arc plate 8 corresponding to the first arc plate 4; when the steel pipe is fixed in the underground coal mine, the steel pipe is placed above the first arc-shaped plate 4, the first fixing bolt 6 in the first threaded hole 5 is screwed to push the second arc-shaped plate 8 until the bottom of the second arc-shaped plate 8 is abutted against the top of the steel pipe, the steel pipe is fixed, when the steel pipe needs to be disassembled, the first fixing bolt 6 is reversely screwed to enable the steel pipe not to be abutted against the second arc-shaped plate 8, the disassembly is more convenient, and the steel pipes with different pipe diameters can be compressed and fixed through the structure.

The inside of the base 1 is provided with a sliding groove 9, one side of the inside of the sliding groove 9 is rotationally connected with a bidirectional threaded rod 10, the other side of the bidirectional threaded rod 10 extends out of the sliding groove 9 and is fixedly connected with a turntable 11, both sides of the top of the base 1 are provided with grooves 12, both groups of grooves 12 are communicated with the sliding groove 9, both sides of the outer surface of the bidirectional threaded rod 10 are respectively in threaded connection with a sliding block 13, the tops of the two groups of sliding blocks 13 are fixedly connected with a limiting plate 14, and the upper half part of the sliding block 13 is in sliding connection with the inside of the grooves 12; the bidirectional threaded rod 10 can be rotated by rotating the rotary table 11, so that the two groups of sliding blocks 13 drive the two groups of limiting plates 14 to move towards the steel pipe to fix the left side and the right side of the steel pipe, and the fixing effect is enhanced.

The limiting plate 14 is provided with a hollow groove 15 on one side, two groups of connecting plates 16 are connected in a sliding manner in the hollow groove 15, through holes 17 are formed in the tops of the two groups of connecting plates 16, a screw 18 is placed in the through holes 17, two groups of fixing nuts 19 are connected to the outer surface of the screw 18 in a threaded manner, the two groups of fixing nuts 19 are respectively located above and below the two groups of connecting plates 16, a second threaded hole 20 is formed in the top of the limiting plate 14, a second fixing bolt 21 is connected to the inner threads of the second threaded hole 20, the bottom of the second fixing bolt 21 stretches into the hollow groove 15 and is in rotary connection with the top of one group of connecting plates 16 located above, and a semi-arc-shaped fixing block 22 is fixedly connected to one side of the connecting plates 16; the second fixing bolts 21 are screwed to push the second fixing bolts to the proper positions, then the four groups of semi-arc-shaped fixing blocks 22 clamp and fix the steel pipes, and then the fixing nuts 19 are screwed to attach to the top and the bottom of the corresponding semi-arc-shaped fixing blocks 22 respectively, so that the semi-arc-shaped fixing blocks 22 cannot be separated from the steel pipes.

The bottom of the top plate 3 is fixedly connected with a sleeve 23, the inside of the sleeve 23 is slidably connected with a connecting rod 24, the bottom of the connecting rod 24 is fixedly connected with a mounting plate 25, and the sleeve 23 is positioned in the spring 7; the second curved plate 8 is not deflected during movement by the setting up sleeve 23 and the connecting rod 24.

Working principle: when the steel pipe is fixed in the underground coal mine, the steel pipe is placed above the first arc-shaped plate 4, the first fixing bolt 6 in the first threaded hole 5 is screwed to push the second arc-shaped plate 8 until the bottom of the second arc-shaped plate 8 is abutted against the top of the steel pipe, the steel pipe is fixed, when the steel pipe needs to be detached, the first fixing bolt 6 is reversely screwed to enable the steel pipe not to be abutted against the second arc-shaped plate 8, the steel pipe with different pipe diameters is detached more conveniently, the steel pipe with different pipe diameters can be pressed and fixed through the structure, the turntable 11 is rotated to enable the bidirectional threaded rod 10 to rotate, so that the two groups of sliding blocks 13 drive the two groups of limiting plates 14 to move towards the steel pipe to fix the left side and the right side of the steel pipe, the second fixing bolt 21 is screwed to push the steel pipe to a proper position, the four groups of semi-arc-shaped fixing blocks 22 clamp and fix the steel pipe, and the fixing nuts 19 are screwed to enable the top and the corresponding semi-arc-shaped fixing blocks 22 to be attached to the top and the bottom of the steel pipe respectively, so that the semi-arc-shaped fixing blocks 22 cannot be separated from the steel pipe, and the fixing effect is guaranteed.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a colliery is steel pipe fixing support in pit, includes base (1), its characterized in that: the utility model discloses a base, including base (1), top, bottom, mounting panel, first screw hole (5) have been seted up at the top of base (1), equal fixedly connected with backup pad (2) in top both sides of base (1), top fixedly connected with roof (3) of backup pad (2), first arc (4) of top center fixedly connected with of base (1), first screw hole (5) have first fixing bolt (6) in the inside threaded connection of first screw hole (5), the bottom fixed mounting of roof (3) has spring (7), the bottom fixedly connected with mounting panel (25) of spring (7), the bottom fixedly connected with of mounting panel (25) and second arc (8) corresponding with first arc (4).

2. A steel pipe fixing support for underground coal mine as claimed in claim 1, wherein: spout (9) have been seted up to the inside of base (1), the inside one side rotation of spout (9) is connected with two-way threaded rod (10), spout (9) fixedly connected with carousel (11) are stretched out to the opposite side of two-way threaded rod (10), fluting (12) have all been seted up to the both sides at base (1) top, two sets of fluting (12) all are linked together with spout (9), the surface both sides of two-way threaded rod (10) threaded connection respectively have slider (13), two sets of top fixedly connected with limiting plate (14) of slider (13), the first half sliding connection of slider (13) is in the inside of fluting (12).

3. A steel pipe fixing support for underground coal mine as claimed in claim 2, wherein: the utility model discloses a limiting plate, including limiting plate (14), fixed plate, first screw bolt (16), second screw hole (20) have been seted up at the inside sliding connection of limiting plate (14), two sets of connecting plate (16) have all been seted up at the inside of hollow (15), screw rod (18) have been placed to the inside of through-hole (17), the surface threaded connection of screw rod (18) has two sets of fixation nut (19), two sets of fixation nut (19) are located the top and the below of two sets of connecting plates (16) respectively, second screw hole (20) have been seted up at the top of limiting plate (14), the inside threaded connection of second screw hole (20) has second fixing bolt (21), the inside that stretches into hollow (15) is connected with one of them connecting plate (16) top rotation that is located the top to the bottom of second fixing bolt (21), one side fixedly connected with semicircle fixed block (22) of connecting plate (16).

4. A steel pipe fixing support for underground coal mine as claimed in claim 1, wherein: the bottom of roof (3) fixedly connected with sleeve (23), the inside sliding connection of sleeve (23) has connecting rod (24), the bottom and the mounting panel (25) fixed connection of connecting rod (24), sleeve (23) are located the inside of spring (7).