Rapid supporting device for rock and underground engineering

Abstract

The invention relates to the technical field of supporting equipment, and discloses a rapid supporting device for rock-soil and underground engineering, the rapid supporting device comprises a first supporting plate and a second supporting plate, and a clamping column is fixedly mounted on the side, close to the first supporting plate, of the second supporting plate. Then a sliding block is inserted into the fixed column, a sliding plate is released, under the action of an extrusion spring, the insertion column can be connected with the sliding block, the sliding block is fixed to the fixed column, and a first rotating column is rotated; when the first rotating column rotates, a first threaded column is driven to rotate through a first driving gear and a first driven gear, when the first threaded column rotates, connection between the first supporting plate and the second supporting plate can be adjusted through a first moving block and a connecting column, and connection between the first supporting plate and the second supporting plate is guaranteed.

Description

Technical Field

[0001] The invention relates to the technical field of support equipment, in particular to a quick support device for rock, soil and underground engineering. Background Art

[0002] With the rapid development of social economy, human development and utilization of underground resources have also entered the state of deep resource development, especially in the fields of mineral tunneling and underground tunnel excavation. For a large number of complex underground projects, safe, economical and efficient development of underground resources has always been a key technical problem that needs to be solved in the field of underground engineering. How to support economically and efficiently to maintain the stability of underground projects is one of the key issues. Anchoring technology is a very important reinforcement technology in underground engineering, especially in recent years, it has made great progress and has a broad application prospect.

[0003] According to Chinese patent CN 109577342 A, a quick support device for circular pit construction is disclosed, which includes a central support rod, a retractable support side rod, a connecting rod, and a waist beam. The central support rod is arranged at the center of the circular pit, and the retractable support side rods are arranged at intervals on the sides of the central support rod. One end of the retractable support side rod is bolted to the central support rod, and the other end is bolted to the waist beam, and is against the pit wall through the waist beam. The two ends of the connecting rod are respectively connected to the central support rod and the retractable support side rod to form a triangular fixation. The support device can easily adjust the angle and size of the support component, but the central support rod and the internal rod in this patent are not at a right angle, which is not easy to support the inner wall of the pit.

[0004] In underground projects, foundation pits are dug. In order to prevent landslides, support devices need to be installed on the inner side of the foundation pit. In the prior art, support devices are usually built using inclined steel pipes, or two support plates are connected by pillars. This support method has low support firmness and is easy to loosen. In addition, the support structure occupies the internal space of the foundation pit, affecting the construction work inside the foundation pit. Summary of the invention

[0005] The purpose of the present invention is to provide a quick support device for geotechnical and underground engineering to solve the problems raised in the above-mentioned background technology.

[0006] Technical Solution

[0007] The present invention provides the following technical solution: a quick support device for geotechnical and underground engineering, comprising a first support plate and a second support plate, a clamping column being fixedly installed on one side of the second support plate close to the first support plate, a clamping groove matching the clamping column being opened on the side of the first support plate close to the second support plate, a sliding block being movably installed inside the first support plate, a connecting column being movably installed inside one side of the sliding block, a first moving block being movably connected to the other end of the connecting column, a telescopic cylinder being movably installed between two adjacent second support plates, a placing plate being fixedly installed on the side of the first support plate, the telescopic cylinder being located on the placing plate, telescopic columns being movably installed at both ends of the inside of the telescopic cylinder, the telescopic columns extending out of the telescopic cylinder, and abutment plates being fixedly installed at the ends, the abutment plates being in contact with the second support plate.

[0008] Preferably, a first installation cavity is opened inside the first supporting plate, and a sliding column and a fixed column are fixedly installed in the first installation cavity respectively. The sliding column is located above the fixed column, and the sliding block is located outside the fixed column and is slidably connected to the fixed column.

[0009] Preferably, a compression spring and a sliding plate are movably mounted on the outer side of the sliding column, respectively; the compression spring is located above the sliding plate and fixedly connected to the top end of the sliding plate; and a connecting rod is fixedly mounted on the bottom end of the sliding plate.

[0010] Preferably, a connecting plate is fixedly installed on the bottom end of the connecting rod, and plug-in columns are evenly and evenly fixedly installed on the bottom end of the connecting plate. The plug-in columns are located above the sliding block and the fixed columns, and the top of the sliding block and the top of the fixed column are both provided with plug-in grooves matching the plug-in columns.

[0011] Preferably, a second installation cavity is opened on the inner side of the second supporting plate, and a first threaded column and a first rotating column are movably installed in the second installation cavity respectively, the first movable block is threadedly installed on the outer side of the first threaded column, a first driven gear is fixedly installed on the end of the first threaded column, and a first driving gear is fixedly installed on the end of the first rotating column, and the first driving gear is meshingly connected with the first driven gear.

[0012] Preferably, a second rotating column and a second threaded column are movably installed in the telescopic cylinder respectively, a second driving gear is fixedly installed on the end of the second rotating column, a second driven gear is fixedly installed on the outer side of the second threaded column, and the second driving gear is meshingly connected with the second driven gear.

[0013] Preferably, the outer side of the second threaded column is threadedly connected to a second moving block, one side of the second moving block is fixedly connected to the telescopic column, and a through groove matching the diameter of the second threaded column is provided inside the telescopic column.

[0014] Beneficial Effects

[0015] Compared with the prior art, the present invention provides a quick support device for geotechnical and underground engineering, which has the following beneficial effects:

[0016] 1. The quick support device for geotechnical and underground engineering, by pulling the sliding plate upward, the sliding plate will squeeze the extrusion spring, so that the plug-in column will be separated from the fixed column, and then the sliding block is inserted into the fixed column, and the sliding plate is released. Under the action of the extrusion spring, the plug-in column will be connected with the sliding block, and the sliding block is fixed on the fixed column, and the first rotating column is rotated. When the first rotating column rotates, it will drive the first threaded column to rotate through the first driving gear and the first driven gear. When the first threaded column rotates, the connection between the first support plate and the second support plate can be adjusted through the first moving block and the connecting column to ensure the connection between the first support plate and the second support plate.

[0017] 2. The quick support device for geotechnical and underground engineering, by rotating the second rotating column, the second rotating column will drive the second threaded column to rotate through the second driving gear and the second driven gear. When the second threaded column rotates, it will drive the telescopic column to extend the telescopic cylinder through the second moving block, and drive the abutment plate to contact the second support plate, thereby ensuring the stability of the support device composed of multiple first support plates and multiple second support plates. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0020] Figure 2 This is a connection diagram of the first supporting plate and the second supporting plate of the present invention;

[0021] Figure 3 This is a working diagram of the two ends of the connecting column of the present invention;

[0022] Figure 4 This is a working diagram of the sliding block of the present invention;

[0023] Figure 5 It is a cross-sectional view of the telescopic tube of the present invention;

[0024] Figure 6 For the present invention Figure 4 Enlarged view of point A in the middle.

[0025] In the figure: 1. first supporting plate; 2. second supporting plate; 3. snap-on column; 4. connecting column; 5. telescopic cylinder; 6. abutment plate; 7. sliding plate; 8. extrusion spring; 9. fixed column; 10. sliding block; 11. first threaded column; 12. first rotating column; 13. first moving block; 14. sliding column; 15. plug-in column; 16. connecting plate; 17. placement plate; 18. second rotating column; 19. second threaded column; 20. telescopic column; 21. second moving block; 22. connecting rod. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0027] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present invention.

[0028] Embodiment 1:

[0029] See also Figure 1-Figure 4 A quick support device for geotechnical and underground engineering comprises a first support plate 1 and a second support plate 2, a clamping column 3 is fixedly installed on one side of the second support plate 2 close to the first support plate 1, a clamping groove matching the clamping column 3 is opened on the side of the first support plate 1 close to the second support plate 2, a sliding block 10 is movably installed inside the first support plate 1, a connecting column 4 is movably installed inside one side of the sliding block 10, and a first moving block 13 is movably connected to the other end of the connecting column 4, a telescopic cylinder 5 is movably installed between two adjacent second support plates 2, a placement plate 17 is fixedly installed on the side of the first support plate 1, the telescopic cylinder 5 is located on the placement plate 17, telescopic columns 20 are movably installed at both ends of the telescopic cylinder 5, the telescopic column 20 extends out of the telescopic cylinder 5, and abutment plates 6 are fixedly installed at the ends, and the abutment plates 6 are in contact with the second support plate 2.

[0030] The first supporting plate 1 and the second supporting plate 2 are connected together by the clamping column 3, and the first supporting plate 1 and the second supporting plate 2 form a connecting mechanism with an angle of ninety degrees. Multiple first supporting plates 1 and second supporting plates 2 are vertically connected in pairs, thereby forming a supporting device.

[0031] In this embodiment, a first installation cavity is opened inside the first support plate 1, and a sliding column 14 and a fixed column 9 are fixedly installed in the first installation cavity. The sliding column 14 is located above the fixed column 9, and the sliding block 10 is located on the outside of the fixed column 9 and is slidably connected to the fixed column 9.

[0032] In this embodiment, a compression spring 8 and a sliding plate 7 are movably mounted on the outer side of the sliding column 14 . The compression spring 8 is located above the sliding plate 7 and fixedly connected to the top of the sliding plate 7 . A connecting rod 22 is fixedly mounted on the bottom of the sliding plate 7 .

[0033] The extrusion spring 8 can be extruded and deformed through the sliding plate 7, and the sliding plate 7 can drive the plug-in column 15 to move through the connecting rod 22, thereby limiting the movement distance of the sliding block 10 on the fixed column 9 through the plug-in column 15, and adjusting the angles between the connecting column 4 and the first support plate 1 and the second support plate 2 respectively through the first moving block 13, and achieving a stabilizing effect on the first support plate 1 and the second support plate 2 through the connecting column 4.

[0034] In this embodiment, a connecting plate 16 is fixedly installed on the bottom end of the connecting rod 22, and plug-in columns 15 are evenly and evenly fixedly installed on the bottom end of the connecting plate 16. The plug-in columns 15 are located above the sliding block 10 and the fixed columns 9, and the top of the sliding block 10 and the top of the fixed column 9 are both provided with plug-in grooves matching the plug-in columns 15.

[0035] In this embodiment, a second installation cavity is opened on the inner side of the second supporting plate 2, in which the first threaded column 11 and the first rotating column 12 are movably installed respectively, and the first movable block 13 is threadedly installed on the outer side of the first threaded column 11, and the first driven gear is fixedly installed on the end of the first threaded column 11, and the first driving gear is fixedly installed on the end of the first rotating column 12, and the first driving gear is meshingly connected with the first driven gear.

[0036] A clamping groove is provided on the surface of the first rotating column 12 to facilitate controlling the first rotating column 12 by an external screwdriver and prevent accidental contact with the first rotating column 12 .

[0037] The working principle of this embodiment is as follows: when in use, the sliding plate 7 is pulled upward, and the sliding plate 7 will squeeze the extrusion spring 8, so that the plug-in column 15 will be separated from the fixed column 9, and then the sliding block 10 is inserted into the fixed column 9, and the sliding plate 7 is released. Under the action of the extrusion spring 8, the plug-in column 15 will be connected with the sliding block 10, and the sliding block 10 will be fixed on the fixed column 9, and the first rotating column 12 will be rotated. When the first rotating column 12 rotates, it will drive the first threaded column 11 to rotate through the first driving gear and the first driven gear. When the first threaded column 11 rotates, the connection between the first support plate 1 and the second support plate 2 can be adjusted through the first moving block 13 and the connecting column 4 to ensure the connection between the first support plate 1 and the second support plate 2.

[0038] Embodiment 2:

[0039] See also Figure 1 , Figure 5 , Figure 6A quick support device for geotechnical and underground engineering comprises a first support plate 1 and a second support plate 2, a clamping column 3 is fixedly installed on one side of the second support plate 2 close to the first support plate 1, a clamping groove matching the clamping column 3 is opened on the side of the first support plate 1 close to the second support plate 2, a sliding block 10 is movably installed inside the first support plate 1, a connecting column 4 is movably installed inside one side of the sliding block 10, and a first moving block 13 is movably connected to the other end of the connecting column 4, a telescopic cylinder 5 is movably installed between two adjacent second support plates 2, a placement plate 17 is fixedly installed on the side of the first support plate 1, the telescopic cylinder 5 is located on the placement plate 17, telescopic columns 20 are movably installed at both ends of the telescopic cylinder 5, the telescopic column 20 extends out of the telescopic cylinder 5, and abutment plates 6 are fixedly installed at the ends, and the abutment plates 6 are in contact with the second support plate 2.

[0040] In this embodiment, a second rotating column 18 and a second threaded column 19 are movably installed in the telescopic cylinder 5, a second driving gear is fixedly installed at the end of the second rotating column 18, and a second driven gear is fixedly installed on the outer side of the second threaded column 19, and the second driving gear and the second driven gear are meshingly connected.

[0041] In this embodiment, the outer side of the second threaded column 19 is threadedly connected to the second moving block 21 , one side of the second moving block 21 is fixedly connected to the telescopic column 20 , and the telescopic column 20 has a through groove matching the diameter of the second threaded column 19 .

[0042] The abutment plate 6 is connected to the inner side of the second support plate 2, but the abutment plate 6 does not contact the first support plate 1, and the connection side between the abutment plate 6 and the second support plate 2 is provided with anti-slip grooves to facilitate a tighter connection between the abutment plate 6 and the second support plate 2.

[0043] The working principle of this embodiment is as follows: when in use, by rotating the second rotating column 18, the second rotating column 18 will drive the second threaded column 19 to rotate through the second driving gear and the second driven gear. When the second threaded column 19 rotates, it will drive the telescopic column 20 to extend the telescopic cylinder 5 through the second moving block 21, and drive the abutment plate 6 to contact the second support plate 2, thereby ensuring the stability of the support device composed of multiple first support plates 1 and multiple second support plates 2.

Claims

1. A quick support device for geotechnical and underground engineering, comprising a first support plate (1) and a second support plate (2), characterized in that: A clamping column (3) is fixedly installed on one side of the second supporting plate (2) close to the first supporting plate (1); a clamping groove matching the clamping column (3) is provided on one side of the first supporting plate (1) close to the second supporting plate (2); a sliding block (10) is movably installed inside the first supporting plate (1); a connecting column (4) is movably installed inside one side of the sliding block (10); the other end of the connecting column (4) is movably connected to a first moving block (13); a telescopic cylinder (5) is movably installed between two adjacent second supporting plates (2); a placement plate (17) is fixedly installed on the side of the first supporting plate (1); the telescopic cylinder (5) is located on the placement plate (17); telescopic columns (20) are movably installed at both ends of the telescopic cylinder (5); the telescopic columns (20) extend out of the telescopic cylinder (5) and are fixedly installed with abutment plates (6) at the ends; the abutment plates (6) are in contact with the second supporting plate (2).

2. A quick support device for geotechnical and underground engineering according to claim 1, characterized in that: A first installation cavity is provided inside the first supporting plate (1), and a sliding column (14) and a fixed column (9) are fixedly installed in the first installation cavity respectively. The sliding column (14) is located above the fixed column (9), and the sliding block (10) is located outside the fixed column (9) and is slidably connected to the fixed column (9).

3. A quick support device for geotechnical and underground engineering according to claim 2, characterized in that: An extrusion spring (8) and a sliding plate (7) are movably mounted on the outer side of the sliding column (14); the extrusion spring (8) is located above the sliding plate (7) and is fixedly connected to the top end of the sliding plate (7); and a connecting rod (22) is fixedly mounted on the bottom end of the sliding plate (7).

4. A quick support device for geotechnical and underground engineering according to claim 3, characterized in that: A connecting plate (16) is fixedly installed at the bottom end of the connecting rod (22), and plug-in columns (15) are fixedly installed at the bottom end of the connecting plate (16) at equal distances. The plug-in columns (15) are located above the sliding block (10) and the fixed column (9), and the top end of the sliding block (10) and the top end of the fixed column (9) are both provided with plug-in grooves matching the plug-in columns (15).

5. A quick support device for geotechnical and underground engineering according to claim 1, characterized in that: A second installation cavity is provided on the inner side of the second supporting plate (2), in which a first threaded column (11) and a first rotating column (12) are movably installed respectively, the first moving block (13) is threadedly installed on the outer side of the first threaded column (11), a first driven gear is fixedly installed on the end of the first threaded column (11), and a first driving gear is fixedly installed on the end of the first rotating column (12), and the first driving gear is meshingly connected with the first driven gear.

6. A quick support device for geotechnical and underground engineering according to claim 1, characterized in that: A second rotating column (18) and a second threaded column (19) are movably mounted in the telescopic cylinder (5), a second driving gear is fixedly mounted on the end of the second rotating column (18), a second driven gear is fixedly mounted on the outer side of the second threaded column (19), and the second driving gear is meshingly connected with the second driven gear.

7. A quick support device for geotechnical and underground engineering according to claim 6, characterized in that: The outer side of the second threaded column (19) is threadedly connected to a second moving block (21), one side of the second moving block (21) is fixedly connected to a telescopic column (20), and a through groove matching the diameter of the second threaded column (19) is provided inside the telescopic column (20).

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