Roadway supporting component

Abstract

The utility model belongs to the technical field of coal mine tunnel supporting, and discloses a tunnel supporting component which comprises a plurality of groups of supporting assemblies which are connected through top main beams. The supporting assembly is of a symmetrical structure and comprises a lower supporting column, an upper arch beam and a connecting piece. An arc-shaped upper arch beam is arranged on the tops of the two symmetrical lower supporting columns, and the butt joint positions of the upper arch beam and the lower supporting columns are connected into a whole in a clamped mode through connecting pieces. A supporting seat composed of a base and a buckle plate is arranged at the bottom of the lower supporting column. By improving the shapes and the connection modes of all the components and adopting an inserting and clamping connection mode for connection, the supporting components are connected more compactly along with the increase of pressure, the situation that the roadway supporting components are unstable and collapsed due to the increase of the pressure is avoided, and the supporting effect is guaranteed. Along with the increase of pressure, the top main beam can be clamped on the upper arch beam more compactly, so that the overall connection of the roadway supporting component is firmer, the stability of the overall connection of the roadway supporting component is improved, and the roadway supporting component is not easy to crush.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of roadway support components, belong to coal mine roadway support technical field. BACKGROUND

[0002] The support of current coal mining roadway usually adopts steel frame shed support, and the steel frame is connected by bolt to form steel frame shed, but with the increase of roadway depth, the pressure is increasing, and the steel frame shed is easy to be pressed down, and the bolt connection is unreliable due to the increase of pressure or environmental factors, so that the steel frame shed is scattered and loses the supporting effect. SUMMARY

[0003] The utility model solves the technical problem to overcome the defects of prior art, and provides a roadway support component, which can effectively avoid the problem of instability and collapse of the roadway support component caused by the increase of pressure.

[0004] To solve the above technical problems, the utility model provides a roadway support component, which comprises a plurality of support assemblies, and the support assemblies are connected by top main beams.

[0005] The support assembly is a symmetrical structure, comprising a lower support column, an upper bow beam and a link member.

[0006] Further, the lower part of the lower support column is a vertical section, and the upper part is an arc section.

[0007] Further, the cross-sectional shape of the upper bow beam is the same as that of the lower support column.

[0008] A cavity is arranged at the inner center of the lower support column or the upper bow beam.

[0009] Further, the base has a bottom plate and two symmetrical vertical plates perpendicular to the bottom plate and located in the same plane, and a spacing is arranged between the two vertical plates.

[0010] A slot is arranged on the vertical plate, and the slots on the two vertical plates are parallel to each other.

[0011] Further, the buckle plate is U-shaped, having two opposite side walls and a connecting wall connecting the two side walls.

[0012] Further, the shape of the link member matches the cross-sectional shape of the lower pillar and the upper bow beam, and is clamped on the lower pillar and the upper bow beam to connect the lower pillar and the upper bow beam into a whole.

[0013] Further, the link member is a semi-enclosed C shape, and the two ends are clamped into the two clamping grooves of the lower pillar and the upper bow beam to form an embedded surface and enclose the outer side walls of the lower pillar and the upper bow beam inside the C-shaped space.

[0014] Further, the outer wall surface and the embedded surface of the link member are arc surfaces, the arc surface radius of the outer wall surface is greater than the radius of the circle on which the arc segment of the upper bow beam or the lower pillar is located, and the arc surface radius of the embedded surface is less than the radius of the circle on which the arc segment of the upper bow beam or the lower pillar is located.

[0015] Further, the link member is in interference fit with the lower pillar and the upper bow beam.

[0016] Further, a plurality of grooves are arranged on the lower surface of the top main beam, and the number of the grooves is the same as the number of groups of the support assemblies.

[0017] Further, a plurality of connecting rods parallel to the top main beam are further included, and the lower pillars in each group of the support assemblies and / or the upper bow beams are connected by the plurality of parallel connecting rods.

[0018] Further, the lower pillar, the upper bow beam, the link member and the top main beam are all made of aluminum alloy material.

[0019] The utility model discloses the reached beneficial effects are as follows:

[0020] 1. The bottom of the lower pillar is provided with a support seat composed of a base and a buckle plate to support the lower pillar, increase the stress area of the lower pillar, reduce the pressure intensity on the ground at the bottom of the lower pillar, prevent the lower pillar from being inserted into the ground below, increase the overall stress of the roadway support component, and make the overall structure of the roadway support component more stable.

[0021] 2. With the increase of pressure, the top main beam can be more tightly clamped on the upper bow beam, the overall connection of the roadway support component is more firm, and the stability of the overall connection of the roadway support component is increased, and the roadway support component is not easy to be crushed.

[0022] 3. The roadway support component of the utility model improves the shape of each component, connects in the form of insertion and clamping, and with the increase of pressure, the support component is more tightly engaged, the instability of the roadway support component caused by the increase of pressure is avoided, and the support effect is guaranteed.

[0023] 4. The cross section of the lower pillar and the upper bow beam is a special shape, which reduces the amount of material and reduces the cost.

[0024] 5. The lower support column and the upper bow beam are connected by a connecting piece, eliminating the need for bolt connections and avoiding the unreliability of bolt connections. Furthermore, when the pressure increases, the connecting piece ensures that the lower support column and the upper bow beam are always connected as a whole, making them less prone to collapse.

[0025] 6. The support components are made of aluminum alloy, which is less prone to breakage than steel, and is lighter in weight, making it easier to transport, install, and disassemble. Attached Figure Description

[0026] Figure 1 This is a three-dimensional schematic diagram of the tunnel support components;

[0027] Figure 2 This is the main view of the tunnel support components;

[0028] Figure 3 yes Figure 2 The left view;

[0029] Figure 4 yes Figure 2 Top view;

[0030] Figure 5 yes Figure 2 AA section diagram;

[0031] Figure 6 yes Figure 2 A schematic diagram of the connecting components in the diagram;

[0032] Figure 7 yes Figure 6 E-direction view of the link;

[0033] Figure 8 This is a schematic diagram of the top main beam;

[0034] Figure 9 yes Figure 2 A schematic diagram of the base in the diagram;

[0035] Figure 10 yes Figure 2 A schematic diagram of the snap-on panel. Detailed Implementation

[0036] The present invention will be further described below with reference to the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention, and should not be used to limit the scope of protection of the present invention.

[0037] like Figure 1 , Figure 2 , Figure 3 and Figure 4As shown in the drawings, the roadway support component comprises a plurality of support assemblies, and the support assemblies are connected and assembled by connecting rods 4 and top main beams 5 to form the roadway support component.

[0038] The support assembly is of a symmetrical structure and comprises a lower support column 1, an upper bow beam 3 and a connecting piece 2 for connection.

[0039] The upper bow beam 3 is in an arc shape, and the arc is a poor arc. The lower part of the lower support column 1 is a vertical section 11, and the upper part is an arc section 12, and the vertical section 11 and the arc section 12 are smoothly connected to form an integral structure. The arc section 12 and the upper bow beam 3 have the same arc radius, and the upper bow beam 3 and the arc sections 12 of the two lower support columns 1 are connected to form a semicircle, and the radius R of the semicircle can be selected and designed according to the cross-sectional area of the roadway.

[0040] The top of the upper bow beam 3 in the plurality of support assemblies is connected by a top main beam 5. In addition to the top being connected by the top main beam 5, the upper bow beams 3 in each support assembly can also be symmetrically connected by a plurality of connecting rods 4 at other positions, and the lower support columns 1 in each support assembly are also symmetrically connected by a plurality of connecting rods 4, further increasing the overall stability of the roadway support component. The connecting rods 4 are parallel to the top main beam 5.

[0041] Preferably, the support assemblies are arranged in parallel in three groups, and in other embodiments, those skilled in the art can know that the support assemblies can also be arranged in parallel in two groups, four groups or five groups, etc., which can be selected and determined according to the length of the roadway to be supported.

[0042] In combination Figure 5 As shown, the cross section of the lower support column 1 is in the shape of an H. The inner center of the lower support column 1 is provided with a cavity 13, which reduces the amount of material and reduces the weight of the support assembly, facilitating transportation and installation. The lower support column 1 is symmetrically provided with two clamping grooves 14, and the two clamping grooves 14 are on the same axis, and the lower support column 1 is divided into an inner side wall 15 and an outer side wall 16 by the clamping grooves 14.

[0043] The cross-sectional shape of the upper bow beam 3 is the same as that of the lower support column 1.

[0044] When the connecting rod 4 is connected between the lower support column 1 or the upper bow beam 3, the two ends of the connecting rod 4 can be inserted into the clamping groove 14 of the lower support column 1 or the upper bow beam 3 for fixation, and specific fixation modes such as welding and bolt connection can be adopted.

[0045] In combination Figure 6 And Figure 7As shown, the shape of the link 2 matches the cross-sectional shape of the lower strut 1 and the upper bow beam 3, and can be clamped on the lower strut 1 and the upper bow beam 3 at the same time, connecting the lower strut 1 and the upper bow beam 3 into a whole. The link 2 is a semi-enclosed C shape, and the two ends 21 can be clamped into the two clamping grooves 14 of the lower strut 1 and the upper bow beam 3 to form an embedded surface, and the outer side wall 16 of the lower strut 1 and the upper bow beam 3 is enclosed inside the C-shaped space 22.

[0046] The outer wall surface 23 of the link 2 is an arc surface, and the embedded surface 24 is an arc surface. The arc radius R1 of the outer wall surface 23 is greater than the arc radius R2 of the embedded surface 24, and the arc radius R1 of the outer wall surface 23 is greater than the radius R of the arc segment 12 of the upper bow beam 3 or the lower strut 1, and the arc radius R2 of the embedded surface 24 is less than the radius R of the arc segment 12 of the upper bow beam 3 or the lower strut 1.

[0047] The connection and cooperation relationship between the link 2 and the upper bow beam 3 is the same as that between the link 2 and the lower strut 1. The link 2 can be clamped into the lower strut 1 and the upper bow beam 3 by interference fit, so that the link 2 does not fall off.

[0048] When the roadway support member bears the surrounding pressure, the pressure acting on the outer side wall 16 of the lower strut 1 and the outer side wall of the upper bow beam 3 makes the ends of the lower strut 1 and the upper bow beam 3 extend into the link 2, and the link 2 ensures that the lower strut 1 and the upper bow beam 3 are always connected into a whole and are not easily collapsed. The lower strut 1 and the upper bow beam 3 do not need to be connected by bolts, avoiding the situation that the bolts are sheared off or loosened by excessive pressure, and the whole collapses.

[0049] In combination Figure 8 As shown, a plurality of grooves 51 are arranged on the lower surface of the top main beam 5, and the number of the grooves 51 is the same as the number of the support assemblies. Each groove 51 cooperates with the upper bow beam 3 in each group of support assemblies, and the width of the groove 51 can accommodate the width of the upper bow beam 3, so that the top main beam 5 can be installed on the top of the support assemblies from top to bottom, and clamped on the top of the top main beam 5, so that the plurality of groups of support assemblies are assembled to form a whole roadway support member. Even if the pressure applied on the roadway support member from top to bottom increases, since the pressure is applied from top to bottom, the top main beam 5 can be more tightly clamped on the upper bow beam 3, so that the whole roadway support member is more firmly connected, and the stability of the whole roadway support member is increased, and the roadway support member is not easily collapsed.

[0050] In combination Figure 9 , Figure 10As shown, the bottom of the lower pillar 1 is provided with a support seat composed of a base 6 and a buckle plate 7, the base 6 and the buckle plate 7 are buckled, supporting the lower pillar 1, increasing the stress area of the lower pillar 1, reducing the pressure on the ground at the bottom of the lower pillar 1, preventing the lower pillar 1 from inserting into the ground below, if the depth of each lower pillar 1 inserted into the ground below is different, it will cause the overall structure of the roadway support member to deform and be unstable, the support seat composed of the base 6 and the buckle plate 7 supports each lower pillar 1, increases the overall stress of the roadway support member, and makes the overall structure of the roadway support member more stable.

[0051] The base 6 has a bottom plate 61 and two symmetrical vertical plates 62 perpendicular to the bottom plate 61 and located in the same plane, and a spacing a2 is provided between the two vertical plates 62. The size of the spacing a2 is not less than the spacing a1 between the two clamping grooves 14 of the lower pillar 1. The bottom plate 61 and the vertical plate 62 are L-shaped and can be integrally formed and bent or welded.

[0052] A plurality of bottom holes 611 are provided on the bottom plate 61 for fastening and fixing the bottom plate 61 to the installation ground by expansion bolts or the like.

[0053] A vertical slot 621 is provided on the vertical plate 62, the slots 621 on the two vertical plates 62 are parallel to each other, and the spacing h2 of the two slots 621 is not less than the height h1 of the H-shaped cross section of the lower pillar 1. The two parts of the vertical plate 62 located between the two slots 621 can be respectively matched and inserted into the two clamping grooves 14 of the lower pillar 1, so that the base 6 and the bottom of the lower pillar 1 form a fit.

[0054] The buckle plate 7 is U-shaped and has two opposite side walls 72 and a connecting wall 71 connecting the two side walls 72. The two opposite side walls 72 can be respectively matched and inserted through the two slots 621 on the bottom plate 61, and a space for accommodating the outer side wall 16 of the bottom of the lower pillar 1 is formed between the connecting wall 71, the two side walls 72 and the vertical plate 62 between the two slots 621, which forms a shelter for the lower pillar 1.

[0055] A fixing hole 711 is provided on the connecting wall 71, and a mounting hole is provided on the lower pillar 1, and the buckle plate 7 can be fixed on the lower pillar 1 by using bolts or other fasteners through the mounting hole and the fixing hole 711.

[0056] Each component in the roadway support member, such as the lower pillar 1, the upper arch beam 3, the connecting piece 2 and the top main beam 5, is made of aluminum alloy material, and the connecting rod 4 can also be made of aluminum alloy material. Compared with steel material, it is not easy to break, easy to form, the material quality is lighter, and convenient for transportation and installation and disassembly.

[0057] The above merely is the preferred implementation manner of the present application, and it should be noted that, for the ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and deformations can be made, and these improvements and deformations should also be considered as the protection scope of the present application.

Claims

1. A roadway support member, characterised in that, The supporting assembly comprises a plurality of supporting assemblies, and the supporting assemblies are connected through a top main beam; The supporting assembly is a symmetrical structure comprising a lower support, an upper bow beam and a link member; the top of two symmetrical lower supports is provided with an arc-shaped upper bow beam, and the butt joint of the upper bow beam and the lower support is connected into an integral by the link member. The bottom of the lower support is provided with a support seat comprising a base and a buckle plate.

2. A tunnel lining element according to claim 1, c h a r a c t e r i s e d in that The lower part of the lower support is a vertical section, and the upper part is an arc section; the arc section has the same arc radius as the upper bow beam, and the upper bow beam and the arc sections of the two lower supports form a semicircle after butt joint.

3. A tunnel lining element according to claim 1, characterised in that the upper portion The cross-sectional shape of the bow beam is the same as that of the lower support; A cavity is arranged at the inner center of the lower support or the upper bow beam; two clamping grooves are symmetrically arranged on the lower support or the upper bow beam.

4. A tunnel lining element according to claim 3, characterised in that The base has a bottom plate and two symmetrical vertical plates perpendicular to the bottom plate and located in the same plane, and a spacing is arranged between the two vertical plates; A slot is arranged on the vertical plate, and the slots on the two vertical plates are parallel to each other; the two parts of the vertical plate between the two slots are respectively inserted into the two clamping grooves of the lower support.

5. A tunnel lining element according to claim 4, c h a r a c t e r i s e d in that The buckle plate is U-shaped, has two opposite side walls and a connecting wall connecting the two side walls; the two opposite side walls are respectively inserted into and pass through the two slots on the bottom plate.

6. A tunnel lining element according to claim 3, c h a r a c t e r i s e d in that The shape of the link member matches the cross-sectional shape of the lower support and the upper bow beam, and is simultaneously clamped on the lower support and the upper bow beam to connect the lower support and the upper bow beam into an integral.

7. A tunnel lining element according to claim 3, c h a r a c t e r i s e d in that The link member is a semi-enclosed C-shaped, two end portions are clamped into the two clamping grooves of the lower support and the upper bow beam to form an embedded surface, and the outer side walls of the lower support and the upper bow beam are enclosed inside the C-shaped space.

8. A tunnel lining element according to claim 7, characterised in that The outer wall surface and the embedded surface of the link member are arc surfaces, the arc surface radius of the outer wall surface is greater than the radius of the circle where the arc section of the upper bow beam or the lower support is located, and the arc surface radius of the embedded surface is less than the radius of the circle where the arc section of the upper bow beam or the lower support is located.

9. A tunnel lining element according to claim 1, characterised in that A plurality of grooves are arranged on the lower surface of the top main beam, and the number of the grooves is the same as the number of the supporting assemblies.

10. A tunnel lining element according to claim 1, characterised in that A plurality of connecting rods parallel to the top main beam are further included, and the lower supports in each supporting assembly and / or the upper bow beams are connected by the plurality of parallel connecting rods.

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