Method and device for reinforcing waste rock blocking wall of roof-cutting self-forming roadway

Abstract

The invention discloses a method and a device for reinforcing a waste rock retaining wall of a roof-cutting self-forming roadway, and relates to the technical field of waste rock retaining wall reinforcement. The device comprises a plurality of pieces of U-shaped steel, a plurality of first hoops are clamped and matched to the outer side walls of the U-shaped steel, a T-shaped plate is clamped and matched between every two adjacent first hoops, and a T-shaped clamping block is elastically and slidably matched to one side of each T-shaped plate; the I-shaped steel is located on one side of the U-shaped steel, a T-shaped column is fixedly matched with the interior of the I-shaped steel, and one end of the T-shaped clamping block is clamped and matched with the T-shaped column; and the two pieces of supporting steel are positioned on one side of the U-shaped steel. Through the T-shaped clamping block, one end of the T-shaped clamping block slides in and out from the interior of the T-shaped column under the action of a worker, and I-shaped steel is fixed and unfixed through the end of the T-shaped clamping block, so that the I-shaped steel is more convenient to disassemble and assemble, the problem of lateral pushing of the gangue blocking wall is reduced, and the problem of deformation of U-shaped steel is reduced.

Description

Technical Field

[0001] The invention belongs to the field of rock retaining wall reinforcement, and in particular, relates to a method and device for reinforcing a rock retaining wall in a self-forming laneway formed by top cutting in coal pillar-free mining. Background Art

[0002] The technology of cutting the top of coal pillars without forming a laneway eliminates the construction of the filling body beside the laneway, and sets up a retaining wall at the edge of the goaf to isolate the goaf, prevent the falling gangue from pouring into the laneway, and prevent toxic and harmful gases from entering the laneway. However, in actual use, when the existing retaining wall is used, it is easy to cause the retaining wall to push sideways and the U-shaped steel to deform because the top of the U-shaped steel is not equipped with a long I-beam to strengthen the fixation.

[0003] Therefore, a method and device for reinforcing the gangue retaining wall in self-forming laneway by cutting the top in non-pillar mining is proposed to solve the above-mentioned drawbacks. Summary of the invention

[0004] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a method and device for reinforcing a gangue retaining wall of a self-forming lane with a cut top.

[0005] In order to solve the above technical problems, the basic concept of the technical solution adopted by the present invention is:

[0006] A device for reinforcing a gangue retaining wall of a cut-top self-forming lane, comprising a plurality of U-shaped steels, the outer side walls of the U-shaped steels being clamped and matched with a plurality of first hoops, a T-shaped plate being clamped and matched between two adjacent first hoops, and a T-shaped block being elastically and slidably matched with one side of the T-shaped plate;

[0007] An I-beam located at one side of the U-shaped steel, wherein a T-shaped column is fixedly matched inside the I-beam, and one end of the T-shaped clamping block is clamped and matched with the T-shaped column;

[0008] Two support steels are located on one side of the U-shaped steel, and one side of the T-shaped column is snap-fitted with the support steels.

[0009] Optionally, both ends of the first clamp are fixedly fitted with a first fixing block, a first through hole is opened on one side of the first fixing block, a first threaded rod is placed inside the first through hole, and a plurality of first rubber protrusions are evenly distributed and fixedly fitted on the inner wall of the first clamp, and one end of the first rubber protrusion is fitted with the outer wall of the U-shaped steel.

[0010] Optionally, one end of the first threaded rod is threadedly fitted with a first nut, one side of the first nut is attached to one side of the first fixing block, and the other end of the first threaded rod is fixedly fitted with a positioning block.

[0011] Optionally, both ends of the plurality of first clamps are provided with a first slot, and one end of the T-shaped plate is located inside the first slot.

[0012] Optionally, one end of the T-shaped plate is fixedly fitted with a fixing plate, one side of the fixing plate is provided with a guide groove, the T-shaped block is slidably fitted inside the guide groove, and two springs are fixedly fitted between one side of the T-shaped block and one side of the fixing plate.

[0013] Optionally, a plurality of second slots are formed on one side of the T-shaped column, and one end of the T-shaped block is located inside the second slot.

[0014] Optionally, a plurality of second clamps are evenly distributed and fixedly fitted on one side of the T-shaped column, the inner wall of the second clamp is attached to the outer wall of the supporting steel, the two ends of the second clamp are fixedly fitted with second fixing blocks, one side of the second fixing block is fixedly fitted with a second threaded rod, and one end of the second threaded rod is threadedly fitted with a second nut.

[0015] Optionally, the outer wall of the supporting steel is provided with a third clamp, both ends of the third clamp are fixedly fitted with a third fixing block, a second through hole is opened on one side of the third fixing block, the second threaded rod is located inside the second through hole, and one side of the second nut is attached to one side of the third fixing block.

[0016] Optionally, the inner side wall of the second clamp is evenly fixed with a plurality of second rubber protrusions, one end of the second rubber protrusions cooperates with the outer side wall of the supporting steel, and the inner side wall of the third clamp is evenly fixed with a plurality of third rubber protrusions, one end of the third rubber protrusions cooperates with the outer side wall of the supporting steel.

[0017] A method for reinforcing a gangue retaining wall by cutting off the top of a self-forming lane, comprising the following steps:

[0018] Step 1: First, the positioning block is fixedly matched on the side wall of the pond body, one end of the T-shaped plate is placed inside the first clamp through the first clamping groove, and then the U-shaped steel is attached to the inner wall of the first clamp, and one end of the first clamp drives the first fixing block to be placed on one side of the positioning block, and the first fixing block is placed on the peripheral side of the first threaded rod through the first through hole, and the first nut is threadedly matched on the peripheral side of the first threaded rod, thereby completing the fixing of the U-shaped steel;

[0019] Step 2, then slide the T-shaped block downward, the T-shaped block slides downward inside the fixing plate through the guide groove and stretches the spring, then place the I-beam on one side of the U-shaped steel, and then release the T-shaped block, the T-shaped block resets under the action of the spring elasticity, one end of the T-shaped block slides into the inside of the second slot, and one end of the T-shaped block fixes the T-shaped column through the second slot;

[0020] Step three, drive the second clamp through the T-shaped column to be placed on the outer side wall of the supporting steel, and place the third clamp on one side of the second clamp, the third clamp drives the third fixing block to move, the third fixing block is placed on the peripheral side of the second threaded rod through the second through hole, and the second nut is threadedly engaged on the peripheral side of the second threaded rod, thereby completing the fixation of the I-beam.

[0021] After adopting the above technical solution, the present invention has the following beneficial effects compared with the prior art. Of course, any product implementing the present invention does not necessarily need to achieve all the advantages described below at the same time:

[0022] The T-shaped block is set so that one end of the T-shaped block can slide in and out from the inside of the T-shaped column under the action of the staff, and the I-beam is fixed and released through one end of the T-shaped block, making the process of disassembling and assembling the I-beam more convenient, reducing the problem of side thrust of the retaining wall and the problem of deformation of the U-shaped steel;

[0023] The guide groove is set so that the T-shaped block can slide inside the guide groove under the action of the staff, and the sliding direction of the T-shaped block is guided by the guide groove, which reduces the problem of tilting of the T-shaped block when sliding and improves the stability of the T-shaped block when sliding.

[0024] The specific implementation modes of the present invention are further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The drawings described below are only some embodiments. For those skilled in the art, other drawings can be obtained based on these drawings without creative work.

[0026] In the figure:

[0027] Figure 1 A schematic diagram of a three-dimensional structure of an embodiment of the present invention Figure 1 ;

[0028] Figure 2 A schematic diagram of a three-dimensional structure of an embodiment of the present invention Figure 2 ;

[0029] Figure 3 This is a schematic diagram of a T-shaped column structure according to an embodiment of the present invention;

[0030] Figure 4 A schematic diagram of a T-shaped plate structure according to an embodiment of the present invention;

[0031] Figure 5 This is a schematic diagram of the second clamp and the third clamp structure according to an embodiment of the present invention;

[0032] Figure 6 The figure is a schematic diagram of the fixing plate structure according to an embodiment of the present invention.

[0033] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0034] U-shaped steel 100, supporting steel 101, positioning block 102, first threaded rod 103, first nut 104, first clamp 105, I-beam 106, T-shaped plate 107, T-shaped column 108, second slot 109, fixing plate 110, guide slot 111, T-shaped block 112, spring 113, second clamp 114, second fixing block 115, third clamp 116, third fixing block 117, second threaded rod 118, second nut 119, first slot 120, first fixing block 121.

[0035] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but are intended to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0036] The present invention will now be described in further detail with reference to the accompanying drawings.

[0037] See also Figure 1-6 As shown, in this embodiment, a device for reinforcing a gangue retaining wall with a cut top self-forming lane is provided, comprising a plurality of U-shaped steels 100, a plurality of first hoops 105 are clamped and matched on the outer wall of the U-shaped steel 100, a T-shaped plate 107 is clamped and matched between two adjacent first hoops 105, and a T-shaped block 112 is elastically and slidably matched on one side of the T-shaped plate 107;

[0038] An I-beam 106 is located at one side of the U-shaped steel 100, and a T-shaped column 108 is fixedly matched inside the I-beam 106, and one end of the T-shaped clamping block 112 is clamped and matched with the T-shaped column 108;

[0039] There are two support steels 101 located on one side of the U-shaped steel 100 , and one side of the T-shaped column 108 is snap-fitted with the support steel 101 .

[0040] Working principle:

[0041] First, place one end of the T-shaped plate 107 inside one end of the first clamp 105, and fit the inner wall of the first clamp 105 to the outer wall of the U-shaped steel 100, then slide the T-shaped block 112 downward, and place the I-beam 106 on one side of the U-shaped steel 100, and then release the T-shaped block 112. The T-shaped block 112 is reset under the action of elasticity, and the I-beam 106 is fixed to the outer wall of the U-shaped steel 100 through one end of the T-shaped block 112, thereby completing the construction of the slag retaining wall.

[0042] A T-shaped block 112 is provided so that one end of the T-shaped block 112 can slide in and out from the inside of the T-shaped column 108 under the action of the staff, and the I-beam 106 can be fixed and released through one end of the T-shaped block 112, making the process of disassembling and assembling the I-beam 106 more convenient, reducing the problem of lateral pushing of the retaining wall and the problem of deformation of the U-shaped steel 100.

[0043] In order to make the sliding process of the T-shaped block 112 on the side of the T-shaped column 108 more stable, the following structure is used for improvement: Figure 1-6As shown, both ends of the first clamp 105 of this embodiment are fixedly matched with the first fixing block 121, a first through hole is opened on one side of the first fixing block 121, a first threaded rod 103 is placed inside the first through hole, a plurality of first rubber protrusions are evenly distributed and fixedly matched on the inner side wall of the first clamp 105, one end of the first rubber protrusion is matched with the outer side wall of the U-shaped steel 100, one end of the first threaded rod 103 is threadedly matched with the first nut 104, one side of the first nut 104 is attached to one side of the first fixing block 121, and the first threaded rod 103 The other end of the first clamp 105 is fixedly matched with a positioning block 102, wherein both ends of the first clamps 105 are provided with a first card slot 120, one end of the T-shaped plate 107 is located inside the first card slot 120, one end of the T-shaped plate 107 is fixedly matched with a fixing plate 110, one side of the fixing plate 110 is provided with a guide groove 111, a T-shaped card block 112 is slidably matched inside the guide groove 111, one side of the T-shaped card block 112 is fixedly matched with one side of the fixing plate 110 with two springs 113, and one side of the T-shaped column 108 is provided with a plurality of second card slots 109, one end of the T-shaped clamping block 112 is located inside the second clamping groove 109, and a plurality of second clamping hoops 114 are evenly distributed and fixedly matched on one side of the T-shaped column 108. The inner side wall of the second clamping hoop 114 is attached to the outer side wall of the supporting steel 101. The two ends of the second clamping hoop 114 are fixedly matched with a second fixing block 115, and one side of the second fixing block 115 is fixedly matched with a second threaded rod 118. One end of the second threaded rod 118 is threadedly matched with a second nut 119. The outer side wall of the supporting steel 101 is provided with a third clamping hoop 116. Both ends are fixedly fitted with a third fixing block 117, one side of the third fixing block 117 is provided with a second through hole, the second threaded rod 118 is located inside the second through hole, one side of the second nut 119 is attached to one side of the third fixing block 117, the inner wall of the second clamp 114 is evenly fixedly fitted with a plurality of second rubber protrusions, one end of the second rubber protrusion is fitted with the outer wall of the support steel 101, the inner wall of the third clamp 116 is evenly fixedly fitted with a plurality of third rubber protrusions, one end of the third rubber protrusion is fitted with the outer wall of the support steel 101.

[0044] When the present embodiment is in use, the positioning block 102 is first fixedly fitted on the side wall of the pond body, one end of the T-shaped plate 107 is placed inside the first clamp 105 through the first clamping groove 120, and then the U-shaped steel 100 is fitted on the inner wall of the first clamp 105, and the first clamp 105 drives one end of the first rubber protrusion to fit on the outer wall of the U-shaped steel 100, and one end of the first clamp 105 drives the first fixing block 121 to be placed on one side of the positioning block 102, and the first fixing block 121 is placed on the peripheral side of the first threaded rod 103 through the first through hole, and the first nut 104 is threadedly fitted on the peripheral side of the first threaded rod 103, thereby completing the fixation of the U-shaped steel 100, and then the T-shaped clamping block 112 is slid downward, and the T-shaped clamping block 112 slides downward inside the fixing plate 110 through the guide groove 111 and stretches the spring 113, and then the I-beam 106 is placed on one side of the U-shaped steel 100, and then Release the T-shaped block 112, and the T-shaped block 112 resets under the elastic action of the spring 113, and one end of the T-shaped block 112 slides into the second slot 109, and one end of the T-shaped block 112 fixes the T-shaped column 108 through the second slot 109, and drives the second clamp 114 to be placed on the outer wall of the support steel 101 through the T-shaped column 108, and the inner wall of the second clamp 114 drives one end of the second rubber protrusion to be placed on the outer wall of the support steel 101, and the third clamp 116 is placed on one side of the second clamp 114, and the third clamp 116 drives the third fixing block 117 to move, and the third clamp 116 drives one end of the third rubber protrusion to be placed on the outer wall of the support steel 101, and the third fixing block 117 is placed on the peripheral side of the second threaded rod 118 through the second through hole, and the second nut 119 is threadedly engaged with the peripheral side of the second threaded rod 118, thereby completing the fixation of the I-beam 106.

[0045] The guide groove 111 is set so that the T-shaped block 112 can slide inside the guide groove 111 under the action of the staff, and the sliding direction of the T-shaped block 112 is guided by the guide groove 111, thereby reducing the problem of tilting of the T-shaped block 112 when sliding and improving the stability of the T-shaped block 112 when sliding.

[0046] A method for reinforcing a gangue retaining wall by cutting off the top of a self-forming lane, comprising the following steps:

[0047] Step 1: First, fix the positioning block 102 on the side wall of the pond body, place one end of the T-shaped plate 107 inside the first clamp 105 through the first clamping groove 120, and then fit the U-shaped steel 100 on the inner wall of the first clamp 105. One end of the first clamp 105 drives the first fixing block 121 to be placed on one side of the positioning block 102. The first fixing block 121 is placed on the peripheral side of the first threaded rod 103 through the first through hole, and the first nut 104 is threadedly fitted on the peripheral side of the first threaded rod 103, thereby completing the fixing of the U-shaped steel 100.

[0048] Step 2, then slide the T-shaped block 112 downward, the T-shaped block 112 slides downward inside the fixed plate 110 through the guide groove 111 and stretches the spring 113, then place the I-beam 106 on one side of the U-shaped steel 100, and then release the T-shaped block 112, the T-shaped block 112 is reset under the elastic action of the spring 113, one end of the T-shaped block 112 slides into the second slot 109, and one end of the T-shaped block 112 fixes the T-shaped column 108 through the second slot 109;

[0049] Step three, drive the second clamp 114 to be placed on the outer wall of the support steel 101 through the T-shaped column 108, and place the third clamp 116 on one side of the second clamp 114, the third clamp 116 drives the third fixing block 117 to move, and the third fixing block 117 is placed on the peripheral side of the second threaded rod 118 through the second through hole, and the second nut 119 is threadedly engaged with the peripheral side of the second threaded rod 118, thereby completing the fixation of the I-beam 106.

[0050] The present invention is not limited to the above-mentioned embodiments. Anyone should be aware that any structural changes made under the enlightenment of the present invention, and any technical solutions that are the same or similar to the present invention, fall within the protection scope of the present invention. The technology, shape, and structural parts not described in detail in the present invention are all well-known technologies.

Claims

1. A device for reinforcing a gangue retaining wall by cutting the top of the tunnel, characterized in that: include: A plurality of U-shaped steels (100), wherein the outer side walls of the U-shaped steels (100) are snap-fitted with a plurality of first hoops (105), a T-shaped plate (107) is snap-fitted between two adjacent first hoops (105), and a T-shaped clamping block (112) is elastically and slidably fitted on one side of the T-shaped plate (107); An I-beam (106) is located on one side of the U-shaped steel (100), a T-shaped column (108) is fixedly fitted inside the I-beam (106), and one end of the T-shaped clamping block (112) is clamped and fitted with the T-shaped column (108); Two supporting steels (101) are located on one side of the U-shaped steel (100), and one side of the T-shaped column (108) is snap-fitted with the supporting steels (101).

2. The device for reinforcing the gangue retaining wall by cutting the top of the tunnel according to claim 1 is characterized in that: Both ends of the first clamp (105) are fixedly matched with a first fixing block (121), one side of the first fixing block (121) is provided with a first through hole, a first threaded rod (103) is placed inside the first through hole, and the inner wall of the first clamp (105) is evenly fixedly matched with a plurality of first rubber protrusions, one end of the first rubber protrusion is matched with the outer wall of the U-shaped steel (100).

3. The device for reinforcing the rock retaining wall by cutting the top of the self-forming lane according to claim 2 is characterized in that: One end of the first threaded rod (103) is threadedly fitted with a first nut (104), one side of the first nut (104) is attached to one side of the first fixing block (121), and the other end of the first threaded rod (103) is fixedly fitted with a positioning block (102).

4. The device for reinforcing the rock retaining wall by cutting the top of the self-forming lane according to claim 1 is characterized in that: A first clamping groove (120) is provided at both ends of the plurality of first clamping hoops (105), and one end of the T-shaped plate (107) is located inside the first clamping groove (120).

5. The device for reinforcing the rock retaining wall by cutting the top of the self-forming lane according to claim 1 is characterized in that: One end of the T-shaped plate (107) is fixedly matched with a fixing plate (110), one side of the fixing plate (110) is provided with a guide groove (111), the T-shaped clamping block (112) is slidably matched inside the guide groove (111), and two springs (113) are fixedly matched between one side of the T-shaped clamping block (112) and one side of the fixing plate (110).

6. The device for reinforcing the rock retaining wall by cutting the top of the self-forming lane according to claim 1 is characterized in that: A plurality of second slots (109) are provided on one side of the T-shaped column (108), and one end of the T-shaped block (112) is located inside the second slot (109).

7. The device for reinforcing the rock retaining wall by cutting the top of the self-forming lane according to claim 1 is characterized in that: A plurality of second hoops (114) are evenly distributed and fixedly fitted on one side of the T-shaped column (108), the inner side wall of the second hoops (114) is attached to the outer side wall of the supporting steel (101), the two ends of the second hoops (114) are fixedly fitted with second fixing blocks (115), one side of the second fixing block (115) is fixedly fitted with a second threaded rod (118), and one end of the second threaded rod (118) is threadedly fitted with a second nut (119).

8. The device for reinforcing the rock retaining wall by cutting the top of the self-forming lane according to claim 7 is characterized in that: The outer wall of the support steel (101) is provided with a third clamp (116), and both ends of the third clamp (116) are fixedly matched with a third fixing block (117), and a second through hole is opened on one side of the third fixing block (117), and the second threaded rod (118) is located inside the second through hole, and one side of the second nut (119) is attached to one side of the third fixing block (117).

9. A device for reinforcing a gangue retaining wall by cutting off the top of a self-forming lane according to claim 8, characterized in that: The inner side wall of the second clamp (114) is evenly and fixedly fitted with a plurality of second rubber protrusions, one end of each of the second rubber protrusions is fitted with the outer side wall of the support steel (101); the inner side wall of the third clamp (116) is evenly and fixedly fitted with a plurality of third rubber protrusions, one end of each of the third rubber protrusions is fitted with the outer side wall of the support steel (101).

10. A method for reinforcing a gangue retaining wall by cutting off the top of a self-forming lane, characterized in that: The steps include: Step 1: first, the positioning block (102) is fixedly fitted on the side wall of the pond body, one end of the T-shaped plate (107) is placed inside the first clamp (105) through the first clamping groove (120), and then the U-shaped steel (100) is attached to the inner wall of the first clamp (105), one end of the first clamp (105) drives the first fixing block (121) to be placed on one side of the positioning block (102), the first fixing block (121) is placed on the peripheral side of the first threaded rod (103) through the first through hole, and the first nut (104) is threadedly fitted on the peripheral side of the first threaded rod (103), thereby completing the fixing of the U-shaped steel (100); Step 2, the T-shaped block (112) is then slid downward, and the T-shaped block (112) slides downward inside the fixing plate (110) through the guide groove (111) and stretches the spring (113), and then the I-beam (106) is placed on one side of the U-shaped steel (100), and then the T-shaped block (112) is released, and the T-shaped block (112) is reset under the elastic action of the spring (113), and one end of the T-shaped block (112) slides into the inside of the second slot (109), and one end of the T-shaped block (112) fixes the T-shaped column (108) through the second slot (109); Step three, drive the second clamp (114) to be placed on the outer wall of the support steel (101) through the T-shaped column (108), and place the third clamp (116) on one side of the second clamp (114), the third clamp (116) drives the third fixing block (117) to move, the third fixing block (117) is placed on the peripheral side of the second threaded rod (118) through the second through hole, and the second nut (119) is threadedly engaged on the peripheral side of the second threaded rod (118), thereby completing the fixation of the I-beam (106).

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