Coal mine duct piece supporting structure

Abstract

The utility model discloses a coal mine duct piece supporting structure which solves the problem that in the prior art, the stability of a duct piece is insufficient in the installation process. The concrete protection device comprises a bearing assembly, a supporting steel frame arranged on the bearing assembly and a concrete protection plate arranged on the supporting steel frame. Through cooperation of the bearing assembly, the supporting steel frame, the connecting mechanism and the concrete protection plate, the supporting steel frame and the concrete protection plate are fixed through the studs, coal mine pipe pieces can be conveniently fixed, and meanwhile the supporting steel frame can further improve the stability of the pipe piece support after installation.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal mining technical field, concretely is a kind of coal mine pipe piece supporting structure. BACKGROUND

[0002] With the development of coal mining to deep, the stress environment of roadway is more and more complex, the stability in roadway is poor, and the roof of roadway is easy to collapse or collapse. Therefore, the tunneling method of roadway adopts artificial tunneling or simple tunneling equipment such as fully mechanized tunneling machine.

[0003] The supporting method used in tunneling is generally spray anchor support, and the spray anchor support technology is relatively mature and widely used, but it also has limitations. In the geological condition of broken roadway wall, the spray anchor support effect is not good, the supporting stability is poor, and there are many safety hazards. Only temporary support can be carried out, and the supporting effect can be realized only by timely reinforcement, so the supporting reliability is low. UTILITY MODEL CONTENT

[0004] The utility model provides a kind of coal mine pipe piece supporting structure to at least solve the above-mentioned part problem.

[0005] To achieve the above object, the technical scheme adopted by the utility model is as follows:

[0006] A kind of coal mine pipe piece supporting structure, including receiving assembly, support steel frame arranged on receiving assembly, and concrete guard plate arranged on support steel frame;

[0007] Support steel frame includes first support assembly, second support assembly and connecting mechanism, one of the second support assembly is connected with one of the connecting mechanism at the both ends of the first support assembly, the second support assembly is connected with receiving assembly, and the concrete guard plate is installed on the first support assembly and the second support assembly.

[0008] Preferably, the receiving assembly includes first receiving seat, second receiving seat and splicing assembly, the first receiving seat is connected with the second receiving seat by splicing assembly, and the support steel frame is connected with the first receiving seat and the second receiving seat.

[0009] Preferably, the splicing assembly includes first arc-shaped splicing hole opened on the first receiving seat, second arc-shaped splicing hole opened on the second receiving seat and matched with the first arc-shaped splicing hole, sleeve pipe threaded in the first arc-shaped splicing hole and the second arc-shaped splicing hole, and bolt threaded in the sleeve pipe.

[0010] Preferably, the first receiving seat is provided with first operation accommodation slot communicated with the first splicing hole, and the second receiving seat is provided with second operation accommodation slot communicated with the second splicing hole.

[0011] Preferably, the first support assembly and the second support assembly are provided with studs, and the concrete guard plate is provided with mounting holes matched with the studs.

[0012] Preferably, the second support assembly comprises a rib plate, a pair of longitudinal channel steels B and a pair of parallel transverse channel steels B, one end of the transverse channel steels B is connected with one of the longitudinal channel steels B, the other end of the transverse channel steels B is connected with the rib plate, the other longitudinal channel steel B is connected with the end of the rib plate, and the fixed blocks are connected with the longitudinal channel steels B and the rib plate through the longitudinal channel steels B.

[0013] Preferably, the connecting mechanism comprises a first connecting block arranged at the end of the first support assembly, a second connecting block arranged at the end of the second support assembly and matched with the first connecting block, and a connecting bolt arranged between the first connecting block and the second connecting block.

[0014] Preferably, the connecting bolt is in an arc shape, the first connecting block and the second connecting block are provided with arc-shaped connecting holes matched with the connecting bolt, and the connecting bolt is arranged in the arc-shaped connecting holes.

[0015] Preferably, the concrete guard plate is provided with a second concrete grouting hole, the first support assembly and the second support assembly are provided with third assembling holes on both sides, the first receiving seat and the second receiving seat are provided with first concrete grouting holes, and the first receiving seat and the second receiving seat are provided with second assembling holes on both sides.

[0016] Compared with the prior art, the utility model has the advantages of the following:

[0017] The utility model discloses a receiving assembly, a support steel frame and a concrete guard plate are matched, the support steel frame and the concrete guard plate are fixed through studs, the coal mine pipe piece can be fixed conveniently, and the support steel frame can further improve the stability of the pipe piece support after installation.

[0018] The longitudinal channel steel A, the transverse channel steel A, the longitudinal channel steel B and the transverse channel steel B are matched, the pipe piece can be supported during installation, and the stability of the pipe piece after installation is improved. DRAWINGS

[0019] Figure 1 It is a structural schematic view of the utility model.

[0020] Figure 2 It is a schematic view of the receiving assembly of the utility model.

[0021] Figure 3 It is a schematic view of the splicing assembly of the utility model.

[0022] Figure 4It is a schematic view of the support steel frame of the utility model.

[0023] Figure 5 It is a schematic view of the concrete guard board of the utility model.

[0024] Figure 6 It is a schematic view of the fixed block of the utility model.

[0025] Figure 7 It is a sectional schematic view when the utility model is connected.

[0026] Figure 8 It is an enlarged view of A of the utility model.

[0027] Among them, the name corresponding to the reference sign is: 1, bearing assembly;2, support steel frame;3, connecting mechanism;4, concrete guard board;5, fixed block;11, first bearing seat;12, second bearing seat;13, first assembling hole;15, first concrete grouting hole;16, second assembling hole;17, splicing assembly;21, longitudinal channel steel A;22, transverse channel steel A;23, longitudinal channel steel B;24, transverse channel steel B;25, rib plate;26, stud;27, third assembling hole;28, first support assembly;29, second support assembly;31, first connecting block;32, second connecting block;35, connecting bolt;34, arc-shaped connecting hole;41, mounting hole;42, second concrete grouting hole;171, second connecting hole;172, third connecting hole;173, sleeve;175, first operation clearance groove;176, second operation clearance groove;174, bolt. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the following will be further described in detail in combination with the drawings. Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0029] In the description of the utility model, it should be explained that the orientation or position relationship indicated by the terms 'center', 'upper', 'lower', 'left', 'right','vertical', 'horizontal', 'inner', 'outer' and the like is the orientation or position relationship based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and it is not indicated or implied that the indicated device or element must have a particular orientation or be constructed and operated in a particular orientation, so it cannot be understood as a limitation on the utility model. In addition, the terms 'first','second', 'third' are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0030] In the description of the utility model, it is necessary to explain that, unless there are definite provisions and limitations, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, can also be detachable connection, or integrally connected, of course, it can also be mechanical connection, can also be electrical connection, in addition, it can also be directly connected, can also be indirectly connected through intermediate medium, or it can be the communication inside two elements, for ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0031] Embodiment 1

[0032] As Figures 1-7 Indicated,

[0033] The utility model provides a kind of coal mine pipe piece supporting structure, including receiving component 1, support steel frame 2 being equipped on receiving component 1, and concrete guard plate 4 being equipped on support steel frame 2;Specifically, receiving component 1 can provide support to the installation of support steel frame 2, while it can avoid pipe piece to sink support steel frame 2 when installing, while it can be convenient to splice support steel frame 2, concrete guard plate 4 is installed on support steel frame 2 and the quantity of concrete guard plate 4 and the quantity of support steel frame 2 one-to-one correspondence, it can be convenient to assemble pipe piece, while support steel frame 2 can provide support to pipe piece and improve the stability of pipe piece.

[0034] The utility model support steel frame 2 includes first support component 28, second support component 29 and connecting mechanism 3, first support component 28 both ends are connected with one second support component 29 through one connecting mechanism 3 respectively, second support component 29 is connected with receiving component 1, concrete guard plate 4 is installed on first support component 28 and second support component 29 respectively, specifically, the size of concrete guard plate 4 corresponds to first support component 28 and second support component 29 respectively, while first support component 28 and second support component 29 when splicing, first support component 28 both ends are connected with one second support component 29 through one connecting mechanism 3 respectively, first support component 28 and second support component 29 are arched structure after being connected, concrete guard plate 4 is installed on first support component 28 and second support component 29 respectively and with the shape of first support component 28 and second support component 29 is adapted, first support component 28 and second support component 29 can be convenient to improve the stability of pipe piece after installation.

[0035] The utility model first support component 28 and second support component 29 are arched after installation, and the angle of first support component 28 is 58 °, and the angle of second support component 29 is 61 °, and the rigidity of support steel frame 2 can be improved simultaneously by arch, and the compressive strength of coal mine pipe piece supporting structure is improved, to avoid the collapse of coal mine pipe piece supporting structure in use.

[0036] The utility model discloses, first support assembly 28 includes a pair of parallel distribution's cross -sectional steel A22 and a pair of longitudinal channel steel A21, a pair of parallel distribution's cross -sectional steel A22 both ends are connected with a longitudinal channel steel A21 respectively, specifically, a pair of parallel distribution's cross -sectional steel A22 both ends are connected with a longitudinal channel steel A21 respectively, and after connecting, it is an arc cuboid mechanism, cross -sectional steel A22 with cross -sectional steel A22 between adopt the mode of welding and fix, and a pair of parallel distribution's cross -sectional steel A22 is equipped with several pegs 26, can be convenient for to the concrete apron 4 is fixed.

[0037] The utility model discloses second support assembly 29 includes a rib plate 25, a pair of longitudinal channel steel B23 and a pair of parallel distribution's cross -sectional steel B24, a pair of parallel distribution's cross -sectional steel B24's one end is connected with a longitudinal channel steel B23, a pair of parallel distribution's cross -sectional steel B24's other end is connected with rib plate 25, and the rib plate 25 end is connected with another longitudinal channel steel B23, and the receiving assembly 1 both ends are connected with a fixed block 5 respectively, and the fixed block 5 is connected with longitudinal channel steel B23 and is connected with rib plate 25 through the longitudinal channel steel B23, specifically, a pair of parallel distribution's cross -sectional steel B24's one end is connected with a longitudinal channel steel B23, and a pair of parallel distribution's cross -sectional steel B24's other end is connected with rib plate 25, and the rib plate 25 with a pair of parallel distribution's cross -sectional steel B24 between adopt the mode of welding and connect, and the rib plate 25 with longitudinal channel steel B23 between adopt the mode of welding and fix.

[0038] The receiving assembly 1 both ends are connected with a fixed block 5 respectively, and the fixed block 5 is connected with longitudinal channel steel B23 and is connected with rib plate 25 through the longitudinal channel steel B23, specifically, the fixed block 5 is arranged on the first receiving seat 11 and the second receiving seat 12 respectively, and the fixed block 5, longitudinal channel steel B23 and rib plate 25 are all equipped with first connecting hole, and the first connecting hole is matched with the first bolt set on the first receiving seat 11 and the second receiving seat 12, and the second support assembly 29 is cooperated through the fixed block 5, longitudinal channel steel B23 and rib plate 25, to be installed on the first receiving seat 11 and the second receiving seat 12, when the first nut on the first bolt is screwed, can adopt the mode of welding reinforcement and be sealed, to avoid the loose of support steel frame 2 and receiving assembly 1 after being connected

[0039] The utility model discloses longitudinal channel steel A21 and longitudinal channel steel B23 all are equipped with the connecting hole of being matched with connecting mechanism 3, and the connecting hole can be convenient for to longitudinal channel steel A21 and longitudinal channel steel B23 with connecting mechanism 3 assemble, and it is convenient to install support steel frame 2 and concrete apron 4.

[0040] The utility model discloses the structure size of transverse channel steel A22 and transverse channel steel B24 are same, the structure size of longitudinal channel steel A21 and longitudinal channel steel B23 are same, can be convenient to the splicing of support steel frame 2.

[0041] The utility model discloses that transverse channel steel A22 and transverse channel steel B24 are all distributed with peg 26, and the bottom surface of concrete guard board 4 is equipped with the mounting hole 41 of peg 26's adaptation, peg 26 is preferably that the shear peg 26, and the number of peg 26 is selected according to demand, and the interval between each peg 26 is less than or equal to 250mm.

[0042] The utility model discloses connecting mechanism 3 includes the first connecting block 31 of being equipped with in first support subassembly 28 end, the second connecting block 32 of being equipped with in second support subassembly 29 end and with the adaptation of first connecting block 31, and the connecting bolt 35 of being equipped with between first connecting block 31 and second connecting block 32, specifically, first connecting block 31 and second connecting block 32 are arranged as arc, and the outer diameter of first connecting block 31 and second connecting block 32 is same with the outer diameter of concrete guard board 4, and the inner diameter of first connecting block 31 and second connecting block 32 is same with the inner diameter of longitudinal channel steel A21 and longitudinal channel steel B23, and the arc connecting hole 34 of being equipped with with the adaptation of connecting bolt 35 is all seted up on first connecting block 31 and second connecting block 32, and the connecting bolt 35 is equipped with in arc connecting hole 34.

[0043] The utility model discloses connecting bolt 35 is arc, and the arc connecting hole 34 of being equipped with with the adaptation of connecting bolt 35 is all seted up in first connecting block 31 and second connecting block 32, and the connecting bolt 35 is equipped with in arc connecting hole 34, specifically, connecting bolt 35 passes through first connecting block 31, second connecting block 32, longitudinal channel steel A21, longitudinal channel steel B23 and is fixed through fixed nut, and arc connecting bolt 35 can be convenient to the connection of first support subassembly 28 and second support subassembly 29.

[0044] The utility model discloses bearing subassembly 1 including first bearing seat 11, second bearing seat 12 and splicing subassembly 17, first bearing seat 11 is connected with second bearing seat 12 through splicing subassembly 17, and support steel frame 2 is connected with first bearing seat 11 and second bearing seat 12 respectively, specifically, first bearing seat 11 and second bearing seat 12 are equipped with first splicing hole 13, and first splicing hole 13 has at least two, and first bolt is pre -buried in first splicing hole 13, and the first connecting hole of fixed block 5 bottom is equipped with with the adaptation of first bolt, and first bolt is equipped with in first connecting hole and is fixed with fixed block 5 on first bearing seat 11 and second bearing seat 12 through first nut, can be convenient to the installation of support steel frame 2.

[0045] The utility model discloses first bearing seat 11 and second bearing seat 12 are mirror image setting.

[0046] The utility model discloses a splicing assembly 17 includes the first arc splicing hole 171 of setting up in the first receiving seat 11, the second arc splicing hole 172 of setting up in the second receiving seat 12 and with the first arc splicing hole 171 is adapted, the sleeve pipe 173 of wearing in the first arc splicing hole 171 and the second arc splicing hole 172, and the bolt 174 of wearing in the sleeve pipe 173, specifically, through the sleeve pipe 173 is located between the second connecting hole 171 and the third connecting hole 172, and the sleeve pipe 173 both ends are equipped with the gasket, and the bolt 174 passes through the sleeve pipe 173, the gasket, the second connecting hole 171, the third connecting hole 172 to the first receiving seat 11 and the second receiving seat 12 are spliced and fixed, and the shape of the sleeve pipe 173 and the first arc splicing hole 171 and the second arc splicing hole 172 after splicing again is adapted, to facilitate the sleeve pipe 173 is installed in the first arc splicing hole 171 and the second arc splicing hole 172, and the sleeve pipe 173 can increase the strength of the first receiving seat 11 and the second receiving seat 12 after connecting.

[0047] The utility model discloses the bolt 174 is arranged in arc, and the bolt 174 passes through the sleeve pipe 173 and the annular gasket, and both ends of the bolt 174 are fixed through the nut, can facilitate the first receiving seat 11 and the second receiving seat 12 are connected.

[0048] The first receiving seat 11 is equipped with the first operation let -out slot 175 that is connected with the first splicing hole 171, and the second receiving seat 12 is equipped with the second operation let -out slot 176 that is connected with the second splicing hole 172, and specifically, the first operation let -out slot 175 and the second operation let -out slot 176 can facilitate the installation of the sleeve pipe 173 and the bolt 174.

[0049] The utility model discloses the first receiving seat 11 and the second receiving seat 12 both sides are equipped with the second splicing hole 16, and specifically, the second splicing hole 16 can facilitate the splicing between multiple first receiving seat 11 and second receiving seat 12, when needing to splice the receiving assembly 1, the third bolt is worn in the second splicing hole 16 on the adjacent two receiving assembly 1, and is fixed through the third nut, to facilitate the splicing of the adjacent two receiving assembly 1.

[0050] The utility model discloses the first receiving seat 11 and the second receiving seat 12 are equipped with the first concrete injection hole 15, and specifically, the first concrete injection hole 15 can be injected after the installation of the first receiving seat 11 and the second receiving seat 12, and the injection can improve the anti -leakage performance of coal mine pipe piece supporting structure in the use process.

[0051] The utility model discloses concrete fender 4 is provided with second concrete grouting hole 42, and specifically, when concrete fender 4 is installed, the top of concrete fender 4 can be grouted through second concrete grouting hole 42, and the grouting operation can enhance the anti-permeability of concrete fender 4, and the carrying capacity of concrete fender 4 is improved.

[0052] The utility model discloses the both sides of transverse channel steel A22 and transverse channel steel B24 are equipped with a plurality of third assembling holes 27, specifically, third assembling hole 27 is preferably three, third assembling hole 27 can be convenient for connecting adjacent two first support components 28 or adjacent two second support components 29, so that the length of segment can be assembled according to demand.

[0053] The utility model discloses a working principle:

[0054] In use, first receiving seat 11 and second receiving seat 12 are assembled through assembling component 17 first, after assembling, corresponding concrete fender 4 is installed on first support component 28 and second support component 29 respectively, second support component 29 is installed in one end of first receiving seat 11 and second receiving seat 12 through first assembling hole 13 respectively, first support component 28 is installed on the top of two second support components 29 through connecting mechanism 3, forms the arch, completes segment installation, when segment bears pressure, concrete fender 4 and support steel frame 2 bear the pressure on segment simultaneously, can effectively improve the compression resistance of segment.

[0055] Finally, it should be pointed out that: the above embodiments are only the preferred embodiments of the utility model for describing the technical scheme of the utility model, but not limit it, of course, more not limit the patent range of the utility model, although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand: it still can modify the technical scheme recorded in the foregoing embodiments, or equivalent replacement to part or all technical features, and these modifications or replacements do not make the essence of corresponding technical scheme deviate from the scope of the technical scheme of the embodiments of the utility model, that is to say, but whatever makes the substantive meaning of the main design idea and spirit of the utility model, the technical problem solved is still consistent with the utility model, and all should be included in the protection scope of the utility model, in addition, the technical scheme of the utility model is directly or indirectly used in other related technical fields, and the same reason includes in the patent protection scope of the utility model.

Claims

1. A coal mine segment support structure, characterized in that: It comprises a receiving assembly (1), a supporting steel frame (2) arranged on the receiving assembly (1), and a concrete guard plate (4) arranged on the supporting steel frame (2); The supporting steel frame (2) comprises a first supporting assembly (28), a second supporting assembly (29) and a connecting mechanism (3); the two ends of the first supporting assembly (28) are respectively connected to a second supporting assembly (29) via a connecting mechanism (3); the second supporting assembly (29) is connected to the receiving assembly (1); and the concrete guard plate (4) is respectively installed on the first supporting assembly (28) and the second supporting assembly (29).

2. A coal mine segment support structure according to claim 1, characterized in that: The receiving assembly (1) comprises a first receiving seat (11), a second receiving seat (12) and a splicing assembly (17); the first receiving seat (11) is connected to the second receiving seat (12) via the splicing assembly (17); and the supporting steel frame (2) is connected to the first receiving seat (11) and the second receiving seat (12) respectively.

3. A coal mine segment support structure according to claim 2, characterized in that: The splicing assembly (17) includes a first arc-shaped splicing hole (171) formed on the first receiving seat (11), a second arc-shaped splicing hole (172) formed on the second receiving seat (12) and adapted to the first arc-shaped splicing hole (171), a sleeve (173) passing through the first arc-shaped splicing hole (171) and the second arc-shaped splicing hole (172), and a bolt (174) passing through the sleeve (173).

4. A coal mine segment support structure according to claim 3, characterized in that: The first receiving seat (11) is provided with a first operating clearance groove (175) connected to the first arc-shaped splicing hole (171), and the second receiving seat (12) is provided with a second operating clearance groove (176) connected to the second arc-shaped splicing hole (172).

5. A coal mine segment support structure according to claim 1, characterized in that: The first supporting assembly (28) and the second supporting assembly (29) are both provided with bolts (26), and the bottom surface of the concrete guard plate (4) is provided with mounting holes (41) that are compatible with the bolts (26).

6. A coal mine segment support structure according to claim 1, characterized in that: The first support assembly (28) includes a pair of parallel transverse channel steels A (22) and a pair of longitudinal channel steels A (21), wherein the two ends of the pair of parallel transverse channel steels A (22) are respectively connected to one of the longitudinal channel steels A (21).

7. A coal mine segment support structure according to claim 1, characterized in that: The second supporting assembly (29) comprises a rib plate (25), a pair of longitudinal channel steels B (23) and a pair of parallel transverse channel steels B (24), one end of the pair of parallel transverse channel steels B (24) is connected to one of the longitudinal channel steels B (23), the other end of the pair of parallel transverse channel steels B (24) is connected to the rib plate (25), and the end of the rib plate (25) is connected to another longitudinal channel steel B (23). The two ends of the receiving assembly (1) are respectively connected to a fixing block (5), and the fixing block (5) is connected to the longitudinal channel steel B (23) and is connected to the rib plate (25) through the longitudinal channel steel B (23).

8. A coal mine segment support structure according to claim 1, characterized in that: The connecting mechanism (3) comprises a first connecting block (31) provided at the end of the first supporting assembly (28), a second connecting block (32) provided at the end of the second supporting assembly (29) and adapted to the first connecting block (31), and a connecting bolt (35) passing between the first connecting block (31) and the second connecting block (32).

9. A coal mine segment support structure according to claim 8, characterized in that: The connecting bolt (35) is arc-shaped, and the first connecting block (31) and the second connecting block (32) are both provided with arc-shaped connecting holes (34) adapted to the connecting bolt (35), and the connecting bolt (35) is passed through the arc-shaped connecting holes (34).

10. A coal mine segment support structure according to claim 2, characterized in that: A second concrete grouting hole (42) is provided on the concrete guard plate (4), third assembling holes (27) are provided on both sides of the first supporting assembly (28) and the second supporting assembly (29), first concrete grouting holes (15) are provided on both sides of the first receiving seat (11) and the second receiving seat (12), and second assembling holes (16) are provided on both sides of the first receiving seat (11) and the second receiving seat (12).

Images