CN212958672U - Underground coal mine roadway supporting device - Google Patents
Underground coal mine roadway supporting device Download PDFInfo
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- CN212958672U CN212958672U CN202021202601.8U CN202021202601U CN212958672U CN 212958672 U CN212958672 U CN 212958672U CN 202021202601 U CN202021202601 U CN 202021202601U CN 212958672 U CN212958672 U CN 212958672U
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Abstract
The utility model provides a colliery underworkings supporting device, including the connecting plate, the reinforcing bolt, connect the angle bar, transversely support the I-steel, limit baffle, metal protection network and connect the I-steel, the inside front and back bilateral symmetry of fixed base meshes has the reinforcing bolt, the terminal surface welding has the connecting plate under the I-steel of first vertical support, transversely support the I-steel up end and install the transverse support I-steel, transversely support the I-steel up end and install metal protection network, the terminal surface symmetrical welding has limit baffle around transversely supporting the I-steel, transversely support the I-steel rear end face intermediate position and install and connect the I-steel, original roadway supporting device has been solved in this design and has inconveniently spliced the installation, problem that can not used repeatedly, the utility model discloses rational in infrastructure, possess concatenation installation ability, repeatedly usable reduces use cost.
Description
Technical Field
The utility model relates to a colliery is tunnel supporting device in pit belongs to tunnel supporting technical field.
Background
Coal mines in China are mainly underground mining, a large number of roadways need to be excavated underground, and roadway support is adopted to keep the roadways smooth and surrounding rocks stable, so that the method has important significance for coal mine construction and production. The basic purpose of supporting the roadway is to alleviate and reduce the movement of surrounding rocks, so that the section of the roadway is not excessively reduced, and meanwhile, the scattered and damaged surrounding rocks are prevented from falling. Generally, in order to make the roadway support play a positive role in regulating and controlling the deformation of the surrounding rock, the support should be installed before the surrounding rock is loosened and damaged, so that the support and the surrounding rock play a bearing role together under the condition that the surrounding rock still keeps self-bearing force.
In prior art, current roadway support device adopts integrative welding formula mostly, and this just leads to the later stage very troublesome when dismantling, can not recycle, and use cost is high to the inconvenient concatenation installation of current roadway support device, the practicality remains to improve, and the problem that above-mentioned appears is solved to the roadway support device in the colliery that now urgently needs.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a colliery underworkings supporting device to solve the problem that proposes in the above-mentioned background art, the utility model discloses rational in infrastructure possesses concatenation installation ability, repeatedly usable reduces use cost.
In order to achieve the above purpose, the present invention is realized by the following technical solution: a coal mine underground roadway supporting device comprises a first vertical supporting joist steel, a fixed base and a splicing installation mechanism, wherein the first vertical supporting joist steel is installed on the upper side of the fixed base, the splicing installation mechanism is arranged on the upper side of the first vertical supporting joist steel, the splicing installation mechanism comprises a connecting plate, a reinforcing bolt, an embedded guide rod, a second vertical supporting joist steel, a connecting angle iron, a reinforcing plate, a transverse supporting joist steel, a limiting baffle, a metal protective net and a connecting joist steel, the left side and the right side of the lower end surface of the fixed base are symmetrically welded with the embedded guide rod, the front side and the rear side of the inside of the fixed base are symmetrically meshed with the reinforcing bolt, the lower end surface of the first vertical supporting joist steel is welded with the connecting plate, the upper end surface of the first vertical supporting joist steel is provided with the transverse supporting joist steel, the upper, the transverse supporting I-steel front and back end face symmetrical welding has limit baffle plates, the transverse supporting I-steel back end face middle position is installed and is connected the I-steel, the transverse supporting I-steel lower end face right side is installed and is vertically supported the I-steel, the connection angle bar is installed to the vertical I-steel left end face upside of second, the end face symmetrical welding has the gusset plate around the connection angle bar.
Furthermore, two sets of connection angle irons are installed, and two sets of connection angle irons are the same in specification, the inside rear side of connection angle iron is alternate to have fixing bolt, fixing bolt installs the multiunit, and multiunit fixing bolt specification is the same.
Furthermore, a plurality of groups of embedded guide rods are welded, the specifications of the plurality of groups of embedded guide rods are the same, and the lower end faces of the embedded guide rods are in a pointed shape.
Furthermore, four groups of limiting baffle plates are welded, the specifications of the four groups of limiting baffle plates are the same, and the distance between the limiting baffle plates is matched with the left and right width of the connecting I-steel.
Furthermore, the upper end face of the connecting I-steel is welded with supporting blocks, the supporting blocks are welded with multiple groups, the upper end faces of the supporting blocks are attached to the lower end face of the metal protective net, and the length of the connecting I-steel is 9 meters.
Further, the width of the metal protection net is the same as the left width and the right width of the transverse supporting joist steel, the front length and the rear length of the metal protection net are larger than the sum of the front width and the rear width of the transverse supporting joist steel and the front length and the rear length of the connecting joist steel, and the metal protection net is fixedly installed on the upper end face of the transverse supporting joist steel through a connecting bolt.
The utility model has the advantages that: the utility model discloses a colliery underworkings supporting device, because of the utility model discloses added connecting plate, reinforcing bolt, embedding guide arm, second vertical support I-steel, connection angle bar, gusset plate, horizontal support I-steel, limit baffle, metal protection network and connect the I-steel, this design is convenient to splice the installation to strut effectually, can use repeatedly, solved the inconvenient installation of splicing of original roadway support device, problem that can not used repeatedly has improved the utility model discloses a concatenation installation effect.
Because of the welding of embedding guide arm has the multiunit, and multiunit embedding guide arm specification is the same, and the terminal surface is the tip form under the embedding guide arm, and this convenient design fixes the fixed baseplate at external subaerial up end, has four groups because of limit baffle welding, and four group's limit baffle specifications are the same, and width phase-match about distance and the connection I-steel between the limit baffle, this convenient design is assembled between connecting I-steel and the horizontal support I-steel, the utility model discloses rational in infrastructure possesses concatenation installation ability, repeatedly usable reduces use cost.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural view of the underground coal mine roadway support device of the utility model;
FIG. 2 is a front sectional view of the splicing installation mechanism in the supporting device for the coal mine underground roadway;
FIG. 3 is a left side sectional view of the splicing installation mechanism in the supporting device for the coal mine underground roadway;
in the figure: 1-first vertical supporting I-steel, 2-a fixed base, 3-a splicing installation mechanism, 31-a connecting plate, 32-a reinforcing bolt, 33-an embedded guide rod, 34-second vertical supporting I-steel, 35-a connecting angle iron, 36-a reinforcing plate, 37-transverse supporting I-steel, 38-a limiting baffle, 39-a metal protective net, 311-connecting I-steel and 351-a fixing bolt.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a colliery underworkings supporting device, includes first vertical support I-steel 1, fixed baseplate 2 and concatenation installation mechanism 3, and first vertical support I-steel 1 is installed to 2 upsides of fixed baseplate, and 1 upsides of first vertical support I-steel are provided with concatenation installation mechanism 3.
The splicing installation mechanism 3 comprises a connecting plate 31, a reinforcing bolt 32, an embedded guide rod 33, a second vertical supporting I-steel 34, connecting angle irons 35, a reinforcing plate 36, a transverse supporting I-steel 37, a limiting baffle 38, a metal protective net 39 and a connecting I-steel 311, wherein the left side and the right side of the lower end surface of the fixed base 2 are symmetrically welded with the embedded guide rod 33, the front side and the rear side of the inside of the fixed base 2 are symmetrically meshed with the reinforcing bolt 32, the lower end surface of the first vertical supporting I-steel 1 is welded with the connecting plate 31, the upper end surface of the first vertical supporting I-steel 1 is provided with the transverse supporting I-steel 37, the upper end surface of the transverse supporting I-steel 37 is provided with the metal protective net 39, the front end surface and the rear end surface of the transverse supporting I-steel 37 are symmetrically welded with the limiting baffle 38, the middle position of the, connecting angle bar 35 is installed to vertical I-steel left end face upside of second, and connecting angle bar 35 front and back terminal surface symmetric welding has gusset plate 36, and this design has solved the inconvenient installation of splicing of original roadway support device, problem that can not used repeatedly.
Two groups of connecting angle irons 35 are installed, the specifications of the two groups of connecting angle irons 35 are the same, fixing bolts 351 are inserted into the rear side of the inside of each connecting angle iron 35 in a penetrating mode, multiple groups of fixing bolts 351 are installed, the specifications of the multiple groups of fixing bolts 351 are the same, the design is convenient for installation and fixation between the first vertical supporting I-steel 1 and the second vertical supporting I-steel 34 and the transverse supporting I-steel 37, multiple groups of embedding guide rods 33 are welded, the specifications of the multiple groups of embedding guide rods 33 are the same, the lower end face of each embedding guide rod 33 is in a pointed shape, the design is convenient for fixing the fixing base 2 on the external ground upper end face, four groups of limiting baffles 38 are welded, the specifications of the four groups of limiting baffles 38 are the same, the distance between the limiting baffles 38 is matched with the left and right width of the connecting I.
The upper end face of the connecting I-beam 311 is welded with the supporting blocks, the supporting blocks are welded with multiple groups of supporting blocks, the upper end faces of the multiple groups of supporting blocks are attached to the lower end face of the metal protection net 39, the length of the connecting I-beam 311 is 9 meters in the front and back direction, the connecting I-beam 311 is made to be of a universal size through the design, the using cost is reduced, the supporting blocks can effectively support the middle part of the metal protection net 39, the width of the metal protection net 39 is the same as the left and right width of the transverse supporting I-beam 37, the length of the metal protection net 39 in the front and back direction is larger than the sum of the front and back width of the transverse supporting I-beam 37 and the front and back length of the connecting I.
As an embodiment of the present invention: firstly, a worker embeds an embedding guide rod 33 into an external ground designated position by means of an external beating tool to fix a fixed base 2, then a first vertical supporting I-steel 1 and a second vertical supporting I-steel 34 are respectively installed and fixed on the upper end surface of the fixed base 2 through a reinforcing bolt 32, then a metal protection net 39 is installed and fixed on the upper end surface of a transverse supporting I-steel 37 through a fixing bolt 351, then the transverse supporting I-steel 37 is installed and fixed on the upper end surfaces of the first vertical supporting I-steel 1 and the second vertical supporting I-steel 34 through a connecting angle iron 35 and the fixing bolt 351, at the moment, the connecting I-steel 311 is sleeved on the inner wall of a limiting baffle 38 in a clamping way and fixed through an external bolt, and then the next group of transverse supporting I-steel 37 can be installed, so that the splicing installation effect is achieved, and the reinforcing bolt 32 and the fixing bolt, The first vertical supporting I-shaped steel 1, the second vertical supporting I-shaped steel 34, the transverse supporting I-shaped steel 37 and the connecting I-shaped steel 311 can be disassembled by connecting bolts with external bolts so as to be recycled at a later period.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a colliery underworkings supporting device, includes first vertical supporting I-steel, unable adjustment base and concatenation installation mechanism, its characterized in that: a first vertical supporting I-shaped steel is mounted on the upper side of the fixed base, and a splicing mounting mechanism is arranged on the upper side of the first vertical supporting I-shaped steel;
the splicing installation mechanism comprises a connecting plate, a reinforcing bolt, an embedded guide rod, a second vertical supporting joist steel, a connecting angle iron, a reinforcing plate, a transverse supporting joist steel, a limiting baffle, a metal protection net and a connecting joist steel, wherein the embedded guide rod is symmetrically welded on the left side and the right side of the lower end surface of the fixed base, the reinforcing bolt is symmetrically meshed on the front side and the rear side inside the fixed base, the connecting plate is welded on the lower end surface of the first vertical supporting joist steel, the transverse supporting joist steel is installed on the upper end surface of the first vertical supporting joist steel, the metal protection net is installed on the upper end surface of the transverse supporting joist steel, the limiting baffle is symmetrically welded on the front end surface and the rear end surface of the transverse supporting joist steel, the connecting joist steel is installed in the middle position of the rear end surface of the transverse supporting joist steel, the second vertical supporting joist steel is installed on the lower, and reinforcing plates are symmetrically welded on the front end face and the rear end face of the connecting angle iron.
2. The underground coal mine roadway support device according to claim 1, characterized in that: the connecting angle iron is provided with two groups, the specifications of the two groups of connecting angle irons are the same, fixing bolts are inserted into the rear side of the inside of each connecting angle iron in a penetrating mode, a plurality of groups of fixing bolts are arranged, and the specifications of the plurality of groups of fixing bolts are the same.
3. The underground coal mine roadway support device according to claim 1, characterized in that: the embedded guide rods are welded with multiple groups, the specifications of the multiple groups of embedded guide rods are the same, and the lower end faces of the embedded guide rods are in a pointed shape.
4. The underground coal mine roadway support device according to claim 1, characterized in that: four groups of limiting baffles are welded, the specifications of the four groups of limiting baffles are the same, and the distance between the limiting baffles is matched with the left and right width of the connecting I-steel.
5. The underground coal mine roadway support device according to claim 1, characterized in that: the connecting I-steel upper end face is welded with supporting blocks, the supporting blocks are welded with multiple groups, the upper end faces of the supporting blocks are attached to the lower end face of the metal protective net, and the length of the connecting I-steel is 9 meters.
6. The underground coal mine roadway support device according to claim 1, characterized in that: the width of the metal protection net is equal to the left and right width of the transverse supporting joist steel, the front and rear length of the metal protection net is greater than the sum of the front and rear width of the transverse supporting joist steel and the front and rear length of the connecting joist steel, and the metal protection net is fixedly installed on the upper end face of the transverse supporting joist steel through a connecting bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021202601.8U CN212958672U (en) | 2020-06-18 | 2020-06-18 | Underground coal mine roadway supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021202601.8U CN212958672U (en) | 2020-06-18 | 2020-06-18 | Underground coal mine roadway supporting device |
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| CN212958672U true CN212958672U (en) | 2021-04-13 |
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| CN202021202601.8U Active CN212958672U (en) | 2020-06-18 | 2020-06-18 | Underground coal mine roadway supporting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114278346A (en) * | 2021-12-24 | 2022-04-05 | 安徽省皖北煤电集团有限责任公司 | Coal mine tunnel stable supporting structure with safety protection function |
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2020
- 2020-06-18 CN CN202021202601.8U patent/CN212958672U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114278346A (en) * | 2021-12-24 | 2022-04-05 | 安徽省皖北煤电集团有限责任公司 | Coal mine tunnel stable supporting structure with safety protection function |
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