A soft rock roadway surrounding rock rapid reinforcement device

Abstract

The utility model relates to soft rock roadway surrounding rock support technical field, and disclose a kind of soft rock roadway surrounding rock fast reinforcement device. The soft rock roadway surrounding rock fast reinforcement device, including reinforcement frame, the rear end of reinforcement frame is provided with wall top plate, the top of wall top plate is provided with side top structure, and reinforcement structure is set on wall top plate. The utility model is through being provided with side top plate, wall top plate, locating plate and positioning frame, locating plate is extruded support to side top plate by sliding block, sliding slot and moves upwards, so that locating plate is fixed with reinforcement frame, and then side top plate is fixed in the inner wall top end of surrounding rock, after a group of reinforcement frame and surrounding rock installation fixation, protective net is connected between a group of side top plates by installation hook, then a group of wall top plate, side top plate and reinforcement frame support soft rock roadway surrounding rock and support reinforcement, while protective net is protected in upper, intercepts the stone block etc. falling, to ensure the security of soft rock roadway.

Description

Technical Field

[0001] This utility model relates to the field of soft rock tunnel surrounding rock support technology, specifically a rapid reinforcement device for soft rock tunnel surrounding rock. Background Technology

[0002] In coal mining, it is usually necessary to reinforce the surrounding rock of soft rock roadways to ensure the safety of mining operations. Rapid reinforcement of the surrounding rock of soft rock roadways usually requires a series of effective engineering measures to improve the stability and compressive strength of the surrounding rock, such as the use of support structures.

[0003] Existing patent document CN117868921A discloses a rapid reinforcement device for soft rock tunnel surrounding rock. It controls the up-and-down movement of a screw rod by rotating a rotating ring. This movement of the screw rod drives the top plate to move up and down, which in turn controls a tension spring. This tension spring then causes the outer plate to unfold and contact the side wall of the soft rock tunnel. Combined with the operation of supporting the tunnel roof with the top plate, this allows for the rapid installation of a support structure at the soft rock tunnel surrounding rock, improving support efficiency and safety. However, while patent CN117868921A provides the function of supporting and fixing the soft rock tunnel surrounding rock, the device is large, has many parts, and is inconvenient to transport. Furthermore, once installed, it obstructs tunnel passage. Therefore, there is an urgent need for a rapid reinforcement device for soft rock tunnel surrounding rock. Summary of the Invention

[0004] The purpose of this utility model is to provide a rapid reinforcement device for soft rock tunnels, so as to solve the problems mentioned in the background art of the current reinforcement devices being large in size, having many parts, being inconvenient to transport, and being difficult to operate.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a rapid reinforcement device for soft rock tunnel surrounding rock, including a reinforcement frame, a wall top plate is provided at the rear end of the reinforcement frame, a side top structure is provided above the wall top plate, and a reinforcement structure is provided on the wall top plate.

[0006] The side-top structure includes a side-top plate, a pivot is provided at the bottom of the side-top plate, and a rope is connected to the inner side of the side-top plate. A counterweight is fixedly installed at the bottom of the rope. A positioning frame is welded to the outer wall of the reinforcement frame, and a positioning plate is provided on the inner side of the positioning frame. Threaded grooves are opened on both sides of the positioning plate.

[0007] The reinforcement structure includes a fixing sleeve, an inner telescopic sleeve, and a screw rod at one end of the fixing sleeve. A handle is connected to the end of the screw rod. The reinforcement frame has a movable groove. An anchor rod is inserted into the inner side of the wall and top plate. A grouting port is opened at the upper end of the anchor rod, and a grout outlet is opened at the lower end of the anchor rod.

[0008] Preferably, the bottom end of the reinforcing frame is provided with a base, the bottom end of the base is welded with a plug rod, the outer wall of the side top plate is fixed with an installation hook, and a protective net is connected to one side of the installation hook.

[0009] Preferably, the reinforcement frame has an internal storage groove that matches the counterweight, and the inner wall of the storage groove is equipped with a guide roller. The side top plate and the wall top plate are movably connected by a rotating shaft.

[0010] Preferably, the rope is fixedly connected to the side top plate, the outer wall of the reinforcing frame is provided with a sliding groove, the inner side of the positioning plate is welded with a slider, and the positioning plate and the reinforcing frame are movably connected through the slider and the sliding groove. The positioning plate and the reinforcing frame are fixedly connected through a threaded groove, the positioning frame and bolts.

[0011] Preferably, there are four fixed sleeves and four telescopic sleeves, with the fixed sleeves fixed to the outer wall of the reinforcing frame, and the telescopic sleeves and fixed sleeves being movably connected by a limiting block.

[0012] Preferably, the telescopic sleeve is fixedly connected to the wall and ceiling panel, the screw rod is movably connected to the reinforcing frame via a thread, and there are two screw rods.

[0013] Preferably, there are four anchor rods, and the top wall plate has slots that match the anchor rods.

[0014] Compared with the prior art, the beneficial effects achieved by this utility model are: First, this utility model sets up a side top plate, a wall top plate, a positioning plate, and a positioning frame. The positioning plate moves upward through a slider and a groove to squeeze and support the side top plate, thus fixing the positioning plate to the reinforcement frame. This fixes the side top plate to the top of the inner wall of the surrounding rock. After a set of reinforcement frames is installed and fixed to the surrounding rock, a protective net is connected between a set of side top plates through an installation hook. Then, a set of wall top plates, side top plates, and reinforcement frames support and reinforce the surrounding rock of the soft rock tunnel. At the same time, the protective net protects from above and intercepts falling rocks, thus ensuring the safety of the soft rock tunnel.

[0015] Secondly, this utility model incorporates screw rods, telescopic sleeves, anchor rods, grouting ports, and grout outlets. Tightening two screw rods causes them to rotate on the reinforcement frame via threads. During rotation, they continuously approach the top wall panel, pushing it under pressure and stretching the telescopic sleeve to the rear. This movement brings the top wall panel into contact with the inner wall of the surrounding rock. Four anchor rods then pass through the movable grooves on the inner side of the reinforcement frame and the through-grooves on the top wall panel, and are inserted obliquely into the surrounding rock. After the anchor rods are fully inserted, they are tightened, causing the grout outlet and grouting port to rotate upwards. Concrete grout is then poured into the anchor rods through the grouting port, and after filling, it flows out through the grout outlet to contact the interior of the surrounding rock until the anchor rods can no longer be grouted. After the concrete hardens, the top wall panel is fixed to the surrounding rock, enhancing the fixing effect of the reinforcement frame on different surrounding rock walls. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This utility model Figure 1 Enlarged diagram of A in the middle; Figure 3 This is a schematic diagram of the installation of the reinforcement frame of this utility model; Figure 4 This is a schematic diagram of the side top structure of this utility model; Figure 5 This is a schematic diagram of the anchor bolt of this utility model; Figure 6 This is a schematic diagram of the reinforcement structure of this utility model.

[0017] The components include: 1. Reinforcing frame; 2. Base; 3. Insert rod; 4. Wall and top plate; 5. Side and top structure; 501. Side and top plate; 502. Rotating shaft; 503. Rope; 504. Counterweight; 505. Guide roller; 506. Positioning plate; 507. Threaded groove; 508. Positioning frame; 6. Installation hook; 7. Reinforcing structure; 701. Fixing sleeve; 702. Telescopic sleeve; 703. Screw rod; 704. Handle; 705. Movable groove; 706. Anchor rod; 707. Grouting port; 708. Grout outlet; 8. Protective net. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Please see Figures 1-4A rapid reinforcement device for soft rock tunnel surrounding rock includes a reinforcement frame 1. A wall top plate 4 is provided at the rear end of the reinforcement frame 1. A side top structure 5 is provided above the wall top plate 4, and a reinforcement structure 7 is provided on the wall top plate 4. The side top structure 5 includes a side top plate 501. A rotating shaft 502 is provided at the bottom end of the side top plate 501, and a rope 503 is connected to the inner side of the side top plate 501. A counterweight block 504 is fixedly installed at the bottom end of the rope 503. A positioning frame 508 is welded to the outer wall of the reinforcement frame 1. A positioning plate 506 is provided on the inner side of the positioning frame 508. Threaded grooves are opened on both sides of the positioning plate 506. 507. A base 2 is provided at the bottom of the reinforcing frame 1, and a rod 3 is welded to the bottom of the base 2. An installation hook 6 is fixed to the outer wall of the side top plate 501, and a protective net 8 is connected to one side of the installation hook 6. The interior of the reinforcing frame 1 has a storage groove that matches the counterweight 504, and a guide roller 505 is installed on the inner wall of the storage groove. The side top plate 501 and the wall top plate 4 are movably connected through a pivot 502. A rope 503 is fixedly connected to the side top plate 501. A sliding groove is provided on the outer wall of the reinforcing frame 1, and a slider is welded to the inner side of the positioning plate 506. The positioning plate 506 and the reinforcing frame 1 are connected through the slider and the sliding groove. The positioning plate 506 and the reinforcing frame 1 are connected by a threaded groove 507, a positioning frame 508, and bolts. The positioning plate 506 is pushed upwards on the reinforcing frame 1 via a slider and a groove. During this upward movement, the positioning plate 506 pushes the side top plate 501 to rotate outwards via a pivot 502 until the side top plate 501 contacts the top of the inner wall of the surrounding rock and the positioning plate 506 can no longer move. Then, bolts are inserted through the positioning frame 508 into the threaded grooves 507 on both sides of the positioning plate 506, thus fixing the positioning plate 506 to the reinforcing frame 1, thereby securing the side top plate 501. Fixed to the top of the inner wall of the surrounding rock, and with the counterweight 504 pulling the side top plate 501 down via the rope 503, the stability of the side top plate 501 after being clamped can be enhanced. After a set of reinforcing frames 1 are installed and fixed to the surrounding rock, the protective net 8 is connected between a set of side top plates 501 via the installation hook 6. Then, a set of wall top plates 4, side top plates 501 and reinforcing frames 1 provide support and reinforcement for the surrounding rock of the soft rock tunnel. At the same time, the protective net 8 provides protection from above and intercepts falling rocks, etc., to ensure the safety of the soft rock tunnel. Moreover, since the device has few parts and no heavy parts, it is easy to transport and operate.

[0020] Please see Figures 5-6A rapid reinforcement device for soft rock tunnel surrounding rock includes a reinforcement structure 7 comprising a fixed sleeve 701, an inner side of which is nested a telescopic sleeve 702, and a screw rod 703 at one end of the fixed sleeve 701. A handle 704 is connected to the end of the screw rod 703. A movable groove 705 is provided on the reinforcement frame 1. An anchor rod 706 is inserted into the inner side of the wall top plate 4. A grouting port 707 is provided at the upper end of the anchor rod 706, and a grout outlet 708 is provided at the lower end of the anchor rod 706. There are four fixed sleeves 701 and four telescopic sleeves 702. The fixed sleeve 701 is fixed to the outer wall of the reinforcement frame 1. The telescopic sleeve 702 is movably connected to the fixed sleeve 701 via a limiting block and is fixedly connected to the wall top plate 4. The screw rod 703 is movably connected to the reinforcement frame 1 via a thread. There are two screw rods 703 and four anchor rods 706. The wall top plate 4 has a... There are slots that match the anchor rods 706. Tighten the two screw rods 703 so that they rotate on the reinforcement frame 1 through the threads. When rotating, they continuously move closer to the top wall plate 4 and push the top wall plate 4 under the pressure. After the pressure is applied, the telescopic sleeve 702 moves to the rear end. After moving, the top wall plate 4 fits against the inner wall of the surrounding rock. Then, the four anchor rods 706 pass through the movable groove 705 on the inner side of the reinforcement frame 1 and the through groove on the top wall plate 4, and are inserted into the surrounding rock at an angle. After the anchor rods 706 are fully inserted, tighten the anchor rods 706 so that the grout outlet 708 and the grouting port 707 rotate to the top. Then, the concrete grout is poured into the anchor rods 706 through the grouting port 707. After filling, it flows out through the grout outlet 708 and contacts the inside of the surrounding rock until the anchor rods 706 can no longer be grouted. After the concrete dries, the top wall plate 4 is fixed to the surrounding rock, which enhances the fixing effect of the reinforcement frame 1 with different surrounding rock walls.

[0021] In use, the reinforcement frame 1 is fixed to the surrounding rock reinforcement area of ​​the soft rock tunnel via the base 2 at the bottom and the insert rod 3. Then, the two screw rods 703 are screwed on, causing them to rotate on the reinforcement frame 1 through the threads. During rotation, they continuously move closer to the wall top plate 4, pushing the wall top plate 4 under pressure. This causes the telescopic sleeve 702 to move to the rear end, making the wall top plate 4 fit against the inner wall of the surrounding rock. Then, the four anchor rods 706 pass through the movable groove 705 on the inner side of the reinforcement frame 1 and the through-hole on the wall top plate 4. The anchor rod 706 is inserted into the surrounding rock at an angle. After the anchor rod 706 is fully inserted, it is screwed on to rotate the grout outlet 708 and the injection port 707 to the top. Then, concrete grout is poured into the anchor rod 706 through the injection port 707, and after it is full, it flows out through the grout outlet 708 to contact the interior of the surrounding rock until the anchor rod 706 can no longer be grouted. After the concrete has dried, the top wall slab 4 is fixed to the surrounding rock, enhancing the fixing effect of the reinforcement frame 1 to different surrounding rock walls. The positioning plate 506 is pushed upwards on the reinforcing frame 1 via the slider and groove. During this sliding motion, the positioning plate 506 pushes the side top plate 501 to rotate outwards via the rotating shaft 502 until the side top plate 501 contacts the top of the inner wall of the surrounding rock and the positioning plate 506 can no longer move. Then, bolts are inserted through the positioning frame 508 into the threaded grooves 507 on both sides of the positioning plate 506, thus fixing the positioning plate 506 to the reinforcing frame 1, thereby fixing the side top plate 501 to the surrounding rock. At the top of the inner wall, the counterweight 504 pulls the side top plate 501 down through the rope 503, which can enhance the stability of the side top plate 501 after it is clamped. After a set of reinforcement frames 1 are installed and fixed to the surrounding rock, the protective net 8 is connected to a set of side top plates 501 through the installation hook 6. Then, a set of wall top plates 4, side top plates 501 and reinforcement frames 1 support and reinforce the surrounding rock of the soft rock tunnel. At the same time, the protective net 8 protects from above and intercepts falling stones, etc., to ensure the safety of the soft rock tunnel.

[0022] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may be made to these embodiments without departing from the principles and spirit, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A rapid reinforcement device for soft rock tunnel surrounding rock, comprising a reinforcement frame (1), characterized in that: The rear end of the reinforcing frame (1) is provided with a wall top plate (4), a side top structure (5) is provided above the wall top plate (4), and a reinforcing structure (7) is provided on the wall top plate (4). The side-top structure (5) includes a side-top plate (501), a rotating shaft (502) is provided at the bottom end of the side-top plate (501), and a rope (503) is connected to the inner side of the side-top plate (501). A counterweight (504) is fixedly installed at the bottom end of the rope (503). A positioning frame (508) is welded to the outer wall of the reinforcing frame (1). A positioning plate (506) is provided on the inner side of the positioning frame (508). Threaded grooves (507) are opened on both sides of the positioning plate (506). The reinforcement structure (7) includes a fixed sleeve (701), a telescopic sleeve (702) is nested inside the fixed sleeve (701), and a screw rod (703) is provided at one end of the fixed sleeve (701). A handle (704) is connected to the end of the screw rod (703). A movable groove (705) is opened on the reinforcement frame (1). An anchor rod (706) is inserted into the inner side of the wall top plate (4). A grouting port (707) is opened at the upper end of the anchor rod (706), and a grout outlet (708) is opened at the lower end of the anchor rod (706).

2. The rapid reinforcement device for soft rock tunnel surrounding rock according to claim 1, characterized in that: The bottom end of the reinforcement frame (1) is provided with a base (2), and the bottom end of the base (2) is welded with a plug rod (3). The outer wall of the side top plate (501) is fixed with an installation hook (6), and a protective net (8) is connected to one side of the installation hook (6).

3. The rapid reinforcement device for soft rock tunnel surrounding rock according to claim 1, characterized in that: The reinforcement frame (1) has an internal storage slot that matches the counterweight (504), and the inner wall of the storage slot is equipped with a guide roller (505). The side top plate (501) and the wall top plate (4) are movably connected by a rotating shaft (502).

4. The rapid reinforcement device for soft rock tunnel surrounding rock according to claim 1, characterized in that: The rope (503) is fixedly connected to the side top plate (501). The outer wall of the reinforcing frame (1) is provided with a sliding groove. The inner side of the positioning plate (506) is welded with a slider. The positioning plate (506) and the reinforcing frame (1) are movably connected through the slider and the sliding groove. The positioning plate (506) and the reinforcing frame (1) are fixedly connected through the threaded groove (507), the positioning frame (508) and the bolts.

5. The rapid reinforcement device for soft rock tunnel surrounding rock according to claim 1, characterized in that: The number of fixed sleeves (701) and telescopic sleeves (702) is four, and the fixed sleeves (701) are fixed to the outer wall of the reinforcing frame (1). The telescopic sleeves (702) and the fixed sleeves (701) are movably connected by a limiting block.

6. The rapid reinforcement device for soft rock tunnel surrounding rock according to claim 1, characterized in that: The telescopic sleeve (702) is fixedly connected to the wall top plate (4), and the screw rod (703) is movably connected to the reinforcement frame (1) by a thread, and there are two screw rods (703).

7. The rapid reinforcement device for soft rock tunnel surrounding rock according to claim 1, characterized in that: There are four anchor rods (706), and the wall top plate (4) is provided with a slot that matches the anchor rods (706).

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