Karst hole plugging device and method

Abstract

The present invention relates to the field of filling technology, and discloses a karst hole plugging device, including a fixed seat and a discharge pipe fixed to the fixed seat, wherein both sides of the fixed seat are provided with side grooves, side blocks are slidably connected in the side grooves, a first spring is provided between the side blocks and the side grooves, and first wedge surfaces are provided on both sides of the end of the side block away from the first spring; first slide grooves are provided on both sides of the top of the fixed seat, a first slider is slidably connected in the first slide groove, and a second spring is provided between the first slider and the first slide groove; second slide grooves are provided on both sides of the bottom of the fixed seat, a second slider is slidably connected in the second slide groove, and a third spring is provided between the second slider and the second slide groove; and an adjustment mechanism for simultaneously adjusting the distance between the two first sliders and the distance between the two second sliders is also included. This solution mainly solves the problem that the existing device cannot perform plugging work in a karst cave environment.

Description

Technical Field

[0001] The present invention relates to the field of filling technology, and in particular to a karst hole plugging device and method. Background Art

[0002] There are many holes in karst caves. In order to improve safety, dangerous holes will be sealed. The traditional sealing method is mainly done manually, that is, workers carry slurry to seal. However, this sealing method is labor-intensive, which makes workers easily fatigued. On the other hand, there are safety risks, which may cause workers to be injured.

[0003] To solve the above problems, a Chinese patent with publication number CN110805302B discloses a hole plugging device and a hole plugging robot, comprising a slurry supply assembly, a grouting hose, a grouting plate and a first elastic member; one end of the grouting hose is connected to the slurry supply assembly; a grouting hole is provided on the grouting plate, and the grouting hole is connected to the other end of the grouting hose; one end of the first elastic member is connected to the slurry supply assembly, and the other end is abutted or connected to the grouting plate; this patent completes the plugging work by replacing the traditional plugging method with machinery, which can reduce the labor intensity of the staff on the one hand, and improve the safety of the staff on the other hand.

[0004] During the actual use of the above patent, due to the uneven road surface of the karst cave, the above device cannot be placed flat at the construction site, which may cause the above device to fall over, and thus the sealing work cannot be carried out; if the staff is required to support the above device, it will increase the difficulty of the staff's work and make the staff easily tired; even if the above device can not fall over with the support of the staff, so that the above device can perform the sealing work, the position of the discharge pipe of the above device is fixed. When the hole position of the karst cave is higher than the position of the discharge pipe of the above device, the slurry discharged from the discharge pipe cannot act on the hole position of the karst cave, resulting in the above device being unable to perform the sealing treatment. Summary of the Invention

[0005] The present invention aims to provide a karst hole plugging device to solve the problem that the existing device cannot perform the plugging work in the karst cave environment.

[0006] To achieve the above-mentioned objectives, the present invention adopts the following technical solutions: a karst hole plugging device, comprising a fixed seat and a discharge pipe fixed to the fixed seat, side grooves are provided on both sides of the fixed seat, side blocks are slidably connected in the side grooves, a first spring is provided between the side blocks and the side grooves, and first wedge surfaces are provided on both sides of the end of the side block away from the first spring; first sliding grooves are provided on both sides of the top of the fixed seat, a first slider is slidably connected in the first sliding groove, and a second spring is provided between the first slider and the first sliding groove; second sliding grooves are provided on both sides of the bottom of the fixed seat, a second slider is slidably connected in the second sliding groove, and a third spring is provided between the second slider and the second sliding groove; and an adjustment mechanism is also included for simultaneously adjusting the spacing between the two first sliders and the spacing between the two second sliders.

[0007] The principles and advantages of this solution are:

[0008] 1. This solution gradually places the fixing seat into the karst hole, so that the first wedge surface on the side block is squeezed by the wall of the karst hole and slides into the side groove, and the first spring is compressed; the fixing seat continues to move, so that the end of the side block away from the first spring is against the inner wall of the karst hole, and the reaction force of the first spring is used to act on the inner wall of the karst hole through the side block, so as to realize the positioning of the fixing seat, that is, the fixing seat is fixed in the corresponding position according to the position of the inner wall of the karst hole, and the discharge pipe is connected with the existing grouting equipment, and the slurry is output through the discharge pipe to seal the karst hole; compared with the existing technology, this solution does not need to consider the road conditions of the karst cave, nor the height of the karst hole, and the fixing seat does not need to be supported by staff, thereby ensuring that the sealing work can be carried out effectively.

[0009] 2. This solution can simultaneously adjust the spacing between the two first sliders and the spacing between the two second sliders through the adjustment mechanism, so that the two first sliders are separated from each other and the two second sliders are also separated from each other, thereby allowing the hole wall of the karst hole to be located between the first slider and the second slider, so that the fixing seat can be limited at the karst hole, thereby ensuring the sealing of the karst hole.

[0010] 3. When the fixing seat of this solution is placed in the karst hole, the first wedge surface is squeezed by the hole wall of the karst hole to promote the side block to slide into the side groove, thereby ensuring the effectiveness of the movement of the side block; moreover, this method can also reduce the operation of the staff to actively adjust the position of the side block, making the operation easier and improving work efficiency.

[0011] Furthermore, the adjustment mechanism includes a rotating shaft, a first elliptical disk and a second elliptical disk, and the rotating shaft is rotatably connected to the fixed seat; the first elliptical disk and the second elliptical disk are both coaxially connected to the rotating shaft, and the two ends of the first elliptical disk are respectively against the two first sliders, and the two ends of the second elliptical disk are respectively against the two second sliders; it also includes a stop part for stopping the rotating shaft.

[0012] Through the above arrangement, during the rotation of the rotating shaft, the rotating shaft drives the first elliptical disk and the second elliptical disk to rotate simultaneously, so that the two long axis ends of the first elliptical disk simultaneously squeeze the two first sliders, thereby separating the two first sliders and stretching the second spring; at the same time, the two long axis ends of the second elliptical disk simultaneously squeeze the two second sliders, thereby separating the two second sliders and stretching the third spring; in this way, the hole wall of the karst hole can be located between the first slider and the second slider, and then the rotating shaft can be stopped by the stop part.

[0013] Furthermore, the stop part includes a base and a rectangular hole opened at the end of the rotating shaft along the axial direction of the rotating shaft. The base is fixedly connected to the bottom of the fixed seat. A stopping groove is provided on the base. The stopping groove includes two rectangular grooves. The two rectangular grooves are cross-connected and vertically arranged. A stop block is slidably connected in the rectangular hole, and the stop block slides in cooperation with the rectangular groove.

[0014] Through the above setting, the stop block is pulled to move upward along the path of the rectangular hole, so that the stop block slides out of the rectangular groove; then the rotating shaft is driven to rotate 90°, and then the stop block is pushed to move in the opposite direction along the path of the rectangular hole, so that the stop block slides into the rectangular groove, thereby achieving the stopping of the stop block and the rotating shaft.

[0015] Furthermore, the stop block is provided with a stopper for abutting against the bottom of the rotating shaft. The stopper is located below the rotating shaft, and the bottom of the rotating shaft is located on the movement track of the stopper.

[0016] Through the above setting, the stop block is pulled to move upward along the path of the rectangular hole, so that the stop block slides out of the rectangular groove; the stop block is continued to be pulled upward to make the stop block contact with the bottom of the rotating shaft, so that the stop block cannot continue to slide upward. In this state, the rotating shaft is driven to rotate 90° by the stop block, and then the stop block is pushed to move in the opposite direction along the path of the rectangular hole, so that the stop block slides into the rectangular groove, thereby achieving the stopping of the stop block and the rotating shaft.

[0017] Furthermore, a chamber is provided in the fixed seat, the rotating shaft passes through the chamber, and arc blocks are provided on both sides of the rotating shaft; the chamber is communicated with the side groove, and the side block is provided with a linkage block extending into the chamber, and the end of the linkage block away from the side block is provided with a limiting groove for the arc block to slide into, the arc block and the limiting groove are slidably matched, and the limiting groove is located on the movement trajectory of the arc block.

[0018] Through the above-mentioned arrangement, during the movement of the side block into the side groove, the side block drives the linkage block to move synchronously, so that the two linkage blocks are close to each other; when the end of the side block away from the first spring is against the inner wall of the karst hole, the side block stops moving, and then the linkage block also stops moving. At this time, the limit groove is located on the movement trajectory of the arc block; during the rotation of the rotating shaft, the rotating shaft drives the arc block to move synchronously, so that the arc block slides into the limit groove. When the rotating shaft stops, the arc block also stops, so that the side block can be limited, thereby improving the stability of the side block stopping, that is, improving the stability of the positioning of the fixed seat.

[0019] Furthermore, the first slide groove is communicated with the side groove and the chamber, and the linkage block is provided with a cylindrical block passing through the first slide groove; a first strip hole is vertically provided on the side block, and the cylindrical block can slide in the first strip hole; an inner groove is provided on the inner wall of the first strip hole, and a circular shaft is rotatably connected to the inner groove, and a torsion spring is provided between the circular shaft and the inner groove; a swing arm that can slide in and out of the inner groove is provided on the circular shaft, and the swing arm is located on the movement trajectory of the cylindrical block; the top of the circular shaft is higher than the top of the fixed seat, and the end of the circular shaft away from the inner groove is provided with anti-slip grooves.

[0020] Through the above arrangement, during the movement of the side block into the side groove, the cylindrical block will slide relatively in the first strip hole. When the end of the side block away from the first spring is against the inner wall of the karst hole, the cylindrical block will be stationary relative to the first strip hole. During the sliding of the first transverse block, the cylindrical block will slide relatively in the first strip hole again, so that the cylindrical block squeezes the swing arm to rotate, allowing the swing arm to slide into the inner groove and the torsion spring to deform.

[0021] If the first slider moves in the opposite direction due to external factors, the cylindrical block will squeeze the swing arm so that the free end of the swing arm will abut against the inner wall of the first strip hole, thereby preventing the first slider from sliding in the opposite direction, and thus ensuring that the wall of the karst hole is located between the first slider and the second slider.

[0022] Furthermore, elastic layers are provided on both inner walls of the first strip-shaped hole, the elastic block is arc-shaped, and the gap between the two elastic layers is smaller than the diameter of the cylindrical block.

[0023] With the above arrangement, the cylindrical block slides into the gap between the two elastic layers. Since the gap between the two elastic layers is smaller than the diameter of the cylindrical block, the two elastic layers can limit the cylindrical block, thereby improving the positioning stability of the contralateral block.

[0024] Furthermore, a circular groove for the cylindrical block to slide into is provided at one end of the first strip hole close to the rotating shaft. The circular groove is communicated with the first strip hole. The circular groove is located on the movement trajectory of the cylindrical block. Along the length direction of the first strip hole, the elastic layer is located between the circular groove and the swing arm.

[0025] When the first spring is released, the cylindrical block is in contact with the first slot, and the cylindrical block is in contact with the first slot, so that the cylindrical block can slide relative to the first slot again. The gap enters the circular groove, and the cylindrical block is against the elastic layer. Since the gap between the two elastic layers is smaller than the diameter of the cylindrical block, the two elastic layers can limit the cylindrical block, thereby limiting the first transverse block and the side block, and also improving the stability of the side block positioning; in addition, if the first slider moves in the opposite direction due to external factors, causing the cylindrical block to move out of the circular groove and then pass through the gap between the two elastic layers, the cylindrical block will squeeze the swing arm again, so that the free end of the swing arm will be against the inner wall of the first strip hole, thereby preventing the first slider from sliding in the opposite direction, thereby ensuring that the hole wall of the karst hole is located between the first slider and the second slider.

[0026] Furthermore, a bottom groove is provided at the bottom of the first slider, a bottom block is slidably connected in the bottom groove, and a fourth spring is provided between the bottom block and the bottom groove; a top groove is provided at the top of the second slider, a top block is slidably connected in the top groove, and a fifth spring is provided between the top block and the top groove; the side block is provided with a second strip hole, and also includes a bidirectional screw, which is rotatably connected to the first slider and the second slider, and the bidirectional screw passes through the second strip hole, and the bidirectional screw can slide in the second strip hole; the bottom block and the top block are respectively threadedly connected to the two ends of the bidirectional screw.

[0027] Through the above arrangement, during the movement of the first slider and the second slider, the bidirectional screw slides relatively in the second strip hole; the bidirectional screw is rotated to make the bottom block and the top block approach each other, and then the bottom block and the top block are respectively against the two sides of the hole wall of the karst hole, and then the rotation of the bidirectional screw is stopped, thereby realizing the positioning of the bottom block and the top block, that is, the hole wall of the karst hole can be clamped by the bottom block and the top block, thereby realizing the positioning of the fixed seat, and improving the stability of the positioning of the fixed seat.

[0028] The present invention aims to provide a karst hole plugging method for a device to plug a karst hole, so as to solve the problem that the existing device cannot perform the plugging work in a karst cave environment.

[0029] To achieve the above object, the present invention adopts the following technical solution: a method for sealing a karst hole, comprising the following steps:

[0030] Step 1: Place the fixing base into the karst hole so that the side blocks on both sides of the fixing base abut against the inner wall of the karst hole;

[0031] Step 2: Pull the stop block to slide upward so that the stop block slides out of the rectangular groove; continue to pull the stop block to slide upward so that the stop block contacts the bottom of the rotating shaft, preventing the stop block from sliding further upward; the rotating shaft is driven to rotate 90 degrees by the stop block, and then the stop block is pushed in the opposite direction so that the stop block slides into the rectangular groove, thereby stopping the stop block and the rotating shaft; during the rotation of the rotating shaft, the rotating shaft drives the first elliptical disk and the second elliptical disk to rotate simultaneously, so that the two first sliders are separated and the two second sliders are separated, thereby allowing the hole wall of the karst hole to be located between the first slider and the second slider;

[0032] During the sliding of the first slider, the cylindrical block slides relatively in the strip hole, so that the cylindrical block successively passes over the swing arm, passes through the gap between the two elastic layers, and slides into the circular groove, thereby limiting the position of the cylindrical block and then limiting the position of the side block;

[0033] During the movement of the first slider and the second slider, the bidirectional screw slides relatively in the second strip-shaped hole;

[0034] Step 3: Rotate the bidirectional screw to bring the bottom block and the top block closer together, thereby clamping the bottom block and the top block against the wall of the karst hole, and stop rotating the bidirectional screw;

[0035] Step 4: Connect the discharge pipe to the existing grouting equipment, output the slurry through the discharge pipe and seal the karst holes.

[0036] The principles and advantages of this solution are:

[0037] 1. This solution gradually places the fixing seat into the karst hole, so that the first wedge surface on the side block is squeezed by the wall of the karst hole and slides into the side groove, and the first spring is compressed; the fixing seat continues to move, so that the end of the side block away from the first spring is against the inner wall of the karst hole, and the reaction force of the first spring is used to act on the inner wall of the karst hole through the side block, so as to realize the positioning of the fixing seat, that is, the fixing seat is fixed in the corresponding position according to the position of the inner wall of the karst hole, and the discharge pipe is connected with the existing grouting equipment, and the slurry is output through the discharge pipe to seal the karst hole; compared with the existing technology, this solution does not need to consider the road conditions of the karst cave, nor the height of the karst hole, and the fixing seat does not need to be supported by staff, thereby ensuring that the sealing work can be carried out effectively.

[0038] 2. During the rotation of the shaft of this scheme, the shaft drives the first elliptical disk and the second elliptical disk to rotate simultaneously, so that the two first sliders are separated and the two second sliders are separated, and then the hole wall of the karst hole is located between the first slider and the second slider, so that the fixed seat can be limited at the karst hole, thereby ensuring the sealing of the karst hole.

[0039] 3. When the fixing seat of this solution is placed in the karst hole, the first wedge surface is squeezed by the hole wall of the karst hole to promote the side block to slide into the side groove, thereby ensuring the effectiveness of the movement of the side block; moreover, this method can also reduce the operation of the staff to actively adjust the position of the side block, making the operation easier and improving work efficiency.

[0040] 4. When the shaft needs to rotate, first pull the stop block to slide upward so that the stop block slides out of the rectangular groove; continue to pull the stop block to slide upward so that the stop block contacts the bottom of the shaft, preventing the stop block from sliding upward, and then drive the shaft to rotate through the stop block; when the shaft does not need to rotate, push the stop block to move in the opposite direction so that the stop block slides into the rectangular groove, thereby stopping the stop block and the shaft; thus, the rotation and stopping of the shaft are achieved, and the operation is simple.

[0041] 5. During the sliding of the first slider in this scheme, the cylindrical block slides relatively in the strip hole, so that the cylindrical block successively passes over the swing arm, passes through the gap between the two elastic layers, and slides into the circular groove, thereby limiting the cylindrical block and then limiting the side block, thereby realizing the positioning of the fixed seat and improving the stability of the positioning of the fixed seat.

[0042] 6. After positioning the fixed seat in various ways, this solution can also rotate the bidirectional screw to bring the bottom block and the top block closer, so that the bottom block and the top block clamp the wall of the karst hole, thereby achieving the positioning of the fixed seat and improving the stability of the positioning of the fixed seat. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] Figure 1 A partial cross-sectional view of an embodiment of a karst hole plugging device according to the present invention in the main viewing direction;

[0044] Figure 2 for Figure 1 A top view of

[0045] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0046] Figure 4 for Figure 2 A cross-sectional view of the connection between the arc block and the limiting groove in the top view;

[0047] Figure 5 for Figure 1 Cross-sectional view of the middle base from the top view. DETAILED DESCRIPTION

[0048] The following is further described in detail through specific implementation methods:

[0049] The figure marks in the drawings of the specification include: fixed seat 10, discharge pipe 11, side block 12, first spring 13, first wedge surface 14, first slider 15, second spring 16, second slider 17, third spring 18, rotating shaft 20, first elliptical disk 21, second elliptical disk 22, base 23, stop groove 24, rectangular groove 241, stop block 25, stop block 26, chamber 30, arc block 31, linkage block 32, cylindrical block 40, first strip hole 41, circular shaft 42, swing arm 43, elastic layer 44, circular groove 45, bottom block 50, fourth spring 51, top block 52, fifth spring 53, second strip hole 54, bidirectional screw 55.

[0050] The embodiment is basically as shown in the attached Figure 1 , Attachment Figure 2 , Attachment Figure 3 , Attachment Figure 4 and attached Figure 5 As shown: a karst hole plugging device, including a fixed seat 10 and a discharge pipe 11 fixed to the fixed seat 10, side grooves are opened on both sides of the fixed seat 10, side blocks 12 are slidably connected in the side grooves, a first spring 13 is fixed between the side block 12 and the side groove, and first wedge surfaces 14 are provided on both sides of the end of the side block 12 away from the first spring 13; first sliding grooves are opened on both sides of the top of the fixed seat 10, a first slider 15 is slidably connected in the first sliding groove, and a second spring 16 is fixed between the first slider 15 and the first sliding groove; second sliding grooves are opened on both sides of the bottom of the fixed seat 10, a second slider 17 is slidably connected in the second sliding groove, and a third spring 18 is fixed between the second slider 17 and the second sliding groove.

[0051] The adjusting mechanism further includes a mechanism for simultaneously adjusting the spacing between the two first sliders 15 and the spacing between the two second sliders 17. The adjusting mechanism includes a rotating shaft 20, a first elliptical disk 21, and a second elliptical disk 22. The rotating shaft 20 is rotatably connected to the fixed seat 10. The first elliptical disk 21 and the second elliptical disk 22 are both coaxially connected to the rotating shaft 20. The first elliptical disk and the second elliptical disk 22 are respectively located on the upper and lower sides of the fixed seat 10. The two ends of the first elliptical disk 21 are respectively against the two first sliders 15, and the two ends of the second elliptical disk 22 are respectively against the two second sliders 17. A stopper for stopping the rotating shaft 20 is also included, and the stopper includes a base 23. And a rectangular hole is opened at the end of the rotating shaft 20 along the axial direction of the rotating shaft 20, the base 23 is fixedly connected to the bottom of the fixed seat 10, and a stop groove 24 is opened on the base 23, and the stop groove 24 is cross-shaped. The stop groove 24 includes two rectangular grooves 241 opened on the base 23, and the two rectangular grooves 241 are cross-connected, and the two rectangular grooves 241 are vertically arranged; a stop block 25 is slidably connected in the rectangular hole, and the stop block 25 slides with the rectangular groove 241; a stop block 26 is fixed on the stop block 25 for resisting the bottom of the rotating shaft 20, and the stop block 26 is located below the rotating shaft 20, and the bottom of the rotating shaft 20 is located on the movement trajectory of the stop block 26.

[0052] A chamber 30 is opened in the fixed seat 10, and the rotating shaft 20 passes through the chamber 30. Arc blocks 31 are fixedly connected on both sides of the rotating shaft 20; the chamber 30 is communicated with the side groove, and a linkage block 32 extending into the chamber 30 is fixedly connected to the side block 12. A limiting groove for the arc block 31 to slide into is opened at the end of the linkage block 32 away from the side block 12. The arc block 31 slides in cooperation with the limiting groove, and the limiting groove is located on the movement trajectory of the arc block 31.

[0053] The first slide groove is communicated with the side groove and the chamber 30, and a cylindrical block 40 passing through the first slide groove is fixedly connected to the linkage block 32; a first strip hole 41 is vertically opened on the side block 12, and the cylindrical block 40 can slide in the first strip hole 41; an inner groove is opened on the inner wall of the first strip hole 41, and a round shaft 42 is rotatably connected to the inner groove, and a torsion spring is fixed between the round shaft 42 and the inner groove; a swing arm 43 that can slide in and out of the inner groove is fixed to the round shaft 42, and the swing arm 43 is located on the motion trajectory of the cylindrical block 40, and the length of the swing arm 43 is greater than the width of the first strip hole 41; the top of the round shaft 42 is higher than the top of the fixed seat 10, and the end of the round shaft 42 away from the inner groove is provided with anti-slip grooves.

[0054] Elastic layers 44, made of rubber, are fixed to the inner walls of both sides of the first strip-shaped hole 41. The elastic block is arc-shaped, and the gap between the two elastic layers 44 is smaller than the diameter of the cylindrical block 40. A circular groove 45 is defined at the end of the first strip-shaped hole 41 near the rotating shaft 20, into which the cylindrical block 40 slides. The circular groove 45 communicates with the first strip-shaped hole 41 and is located along the motion trajectory of the cylindrical block 40. Along the length of the first strip-shaped hole 41, the elastic layer 44 is positioned between the circular groove 45 and the swing arm 43.

[0055] A bottom groove is formed at the bottom of the first slider 15, in which a bottom block 50 is slidably connected, and a fourth spring 51 is fixedly connected between the bottom block 50 and the bottom groove; a top groove is formed at the top of the second slider 17, in which a top block 52 is slidably connected, and a fifth spring 53 is fixedly connected between the top block 52 and the top groove; a second strip hole 54 is formed on the side block 12, and also includes a bidirectional screw 55, which is rotatably connected to the first slider 15 and the second slider 17, and the bidirectional screw 55 passes through the second strip hole 54 and can slide in the second strip hole 54; the bottom block 50 and the top block 52 are respectively threadedly connected to the two ends of the bidirectional screw 55.

[0056] The specific implementation process is as follows:

[0057] During use, the fixing seat 10 is gradually placed into the karst hole, so that the first wedge surface 14 on the side block 12 is squeezed by the wall of the karst hole and slides into the side groove, and the first spring 13 is compressed; the fixing seat 10 continues to move, so that the end of the side block 12 away from the first spring 13 is against the inner wall of the karst hole, and the reaction force of the first spring 13 is used to act on the inner wall of the karst hole through the side block 12, thereby realizing the positioning of the fixing seat 10.

[0058] Pull the stop block 25 upward along the path of the rectangular hole, so that the stop block 25 slides out of the rectangular groove 241; continue to pull the stop block 25 to slide upward, so that the stop block 26 abuts against the bottom of the shaft 20, so that the stop block 25 cannot slide further upward. In this state, the shaft 20 is rotated 90 degrees by the stop block 25, and then the stop block 25 is pushed to move in the opposite direction along the path of the rectangular hole, so that the stop block 25 slides into the rectangular groove 241, thereby stopping the stop block 25 and the shaft 20; the shaft 20 rotates During this period, the rotating shaft 20 drives the first elliptical disk 21 and the second elliptical disk 22 to rotate simultaneously, so that the two long axis ends of the first elliptical disk 21 simultaneously squeeze the two first sliders 15, thereby separating the two first sliders 15 and stretching the second spring 16; at the same time, the two long axis ends of the second elliptical disk 22 simultaneously squeeze the two second sliders 17, thereby separating the two second sliders 17 and stretching the third spring 18; in this way, the wall of the karst hole can be located between the first slider 15 and the second slider 17, and the wall of the hole has a thickness.

[0059] During the movement of the side block 12 into the side groove, the side block 12 drives the linkage block 32 to move synchronously, so that the two linkage blocks 32 are close to each other; when the end of the side block 12 away from the first spring 13 is against the inner wall of the karst hole, the side block 12 stops moving, and the linkage block 32 also stops moving. At this time, the limit groove is located on the movement trajectory of the arc block 31; during the rotation of the rotating shaft 20, the rotating shaft 20 drives the arc block 31 to move synchronously, so that the arc block 31 slides into the limit groove. When the rotating shaft 20 stops, the arc block 31 also stops, so that the side block 12 can be limited, thereby improving the stability of the stopping of the side block 12, that is, improving the stability of the positioning of the fixed seat 10.

[0060] During the movement of the side block 12 into the side groove, the cylindrical block 40 will slide relatively in the first strip hole 41. When the end of the side block 12 away from the first spring 13 is against the inner wall of the karst hole, the cylindrical block 40 is stationary relative to the first strip hole 41. During the sliding of the first transverse block, the cylindrical block 40 slides relatively in the first strip hole 41 again, so that the cylindrical block 40 squeezes the swing arm 43 to rotate, allowing the swing arm 43 to slide into the inner groove and the torsion spring to deform. After the cylindrical block 40 passes over the swing arm 43, the swing arm 43 rotates in the opposite direction under the action of the torsion spring, causing the swing arm 43 to slide out of the inner groove, allowing the end of the swing arm 43 away from the circular shaft 42 to re-extend into the first strip hole 41. The cylindrical block 40 continues to slide relatively in the first strip hole 41, so that the cylindrical block 40 passes through the gap between the two elastic layers 44 The gap enters the circular groove 45, and the cylindrical block 40 and the elastic layer 44 are against each other. Since the gap between the two elastic layers 44 is smaller than the diameter of the cylindrical block 40, the two elastic layers 44 can limit the cylindrical block 40, thereby limiting the first transverse block and the side block 12, and also improving the stability of the positioning of the side block 12; in addition, if the first slider 15 moves in the opposite direction due to external factors, causing the cylindrical block 40 to move out of the circular groove 45 and then pass through the gap between the two elastic layers 44, the cylindrical block 40 squeezes the swing arm 43 again, so that the free end of the swing arm 43 is against the inner wall of the first strip hole 41, thereby preventing the first slider 15 from sliding in the opposite direction, thereby ensuring that the hole wall of the karst hole is located between the first slider 15 and the second slider 17.

[0061] During the movement of the first slider 15 and the second slider 17, the bidirectional screw 55 slides relatively in the second strip hole 54; the bidirectional screw 55 is rotated to make the bottom block 50 and the top block 52 approach each other, and then the bottom block 50 and the top block 52 are respectively against the two sides of the hole wall of the karst hole, and then the rotation of the bidirectional screw 55 is stopped, thereby achieving the positioning of the bottom block 50 and the top block 52, that is, the hole wall of the karst hole can be clamped by the bottom block 50 and the top block 52, thereby achieving the positioning of the fixing seat 10, and improving the stability of the positioning of the fixing seat 10.

[0062] After the positioning of the fixing seat 10 is completed, the discharge pipe 11 is connected to the existing grouting equipment, and the slurry is discharged through the discharge pipe 11 to seal the karst holes.

[0063] A method for sealing a karst hole plugging device, comprising the following steps:

[0064] Step 1: Place the fixing base 10 into the karst hole so that the side blocks 12 on both sides of the fixing base 10 abut against the inner wall of the karst hole;

[0065] Step 2: Pull the stop block 25 to slide upward, so that the stop block 25 slides out of the rectangular groove 241; continue to pull the stop block 25 to slide upward, so that the stop block 26 abuts against the bottom of the rotating shaft 20, so that the stop block 25 cannot slide further upward; the rotating shaft 20 is driven by the stop block 25 to rotate 90 degrees, and then the stop block 25 is pushed in the opposite direction to make the stop block 25 slide into the rectangular groove 241, thereby stopping the stop block 25 and the rotating shaft 20; during the rotation of the rotating shaft 20, the rotating shaft 20 drives the first elliptical disk 21 and the second elliptical disk 22 to rotate simultaneously, so that the two first sliders 15 are separated and the two second sliders 17 are separated, so that the hole wall of the karst hole is located between the first slider 15 and the second slider 17;

[0066] During the sliding of the first slider 15, the cylindrical block 40 slides relatively in the strip hole, so that the cylindrical block 40 successively passes over the swing arm 43, passes through the gap between the two elastic layers 44, and slides into the circular groove 45, thereby limiting the position of the cylindrical block 40 and further limiting the position of the side block 12;

[0067] During the movement of the first slider 15 and the second slider 17, the bidirectional screw 55 slides relatively in the second strip-shaped hole 54;

[0068] Step 3: Rotate the bidirectional screw 55 to bring the bottom block 50 and the top block 52 closer together, thereby clamping the bottom block 50 and the top block 52 against the wall of the karst hole, and stop rotating the bidirectional screw 55;

[0069] Step 4: Connect the discharge pipe 11 to the existing grouting equipment, output the slurry through the discharge pipe 11 and seal the karst holes.

[0070] The above is only an embodiment of the present invention, and the common knowledge such as the specific technical solutions and / or characteristics in the solution are not described in detail here. It should be pointed out that for those skilled in the art, without departing from the technical solution of the present invention, several variations and improvements can be made, which should also be regarded as the scope of protection of the present invention, and these will not affect the effect of the implementation of the present invention and the practicality of the patent. The scope of protection required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the description can be used to interpret the content of the claims.

Claims

1. A karst hole plugging device, comprising a fixing base and a discharge pipe fixed to the fixing base, characterized in that: The locking mechanism is configured to lock the locking cam of the locking cam, wherein the locking cam has a first locking mechanism configured to lock the locking cam of the locking cam and a second locking mechanism configured to lock the locking cam of the locking cam. The second elliptical disks are coaxially connected to the rotating shaft, and the two ends of the first elliptical disk are respectively against the two first sliders, and the two ends of the second elliptical disk are respectively against the two second sliders; it also includes a stop part for stopping the rotating shaft; the bottom of the first slider is provided with a bottom groove, and a bottom block is slidably connected in the bottom groove, and a fourth spring is provided between the bottom block and the bottom groove; the top of the second slider is provided with a top groove, and a top block is slidably connected in the top groove, and a fifth spring is provided between the top block and the top groove; the side block is provided with a second strip hole, and also includes a bidirectional screw, which is rotatably connected to the first slider and the second slider, the bidirectional screw passes through the second strip hole, and the bidirectional screw can slide in the second strip hole; the bottom block and the top block are respectively threadedly connected to the two ends of the bidirectional screw.

2. The karst hole plugging device according to claim 1, characterized in that: The stop part includes a base and a rectangular hole opened at the end of the rotating shaft along the axial direction of the rotating shaft. The base is fixedly connected to the bottom of the fixed seat. A stopping groove is provided on the base. The stopping groove includes two rectangular grooves. The two rectangular grooves are cross-connected and the two rectangular grooves are vertically arranged. A stop block is slidably connected in the rectangular hole, and the stop block slides in cooperation with the rectangular groove.

3. The karst hole plugging device according to claim 2, characterized in that: The stop block is provided with a stopper for abutting against the bottom of the rotating shaft. The stopper is located below the rotating shaft, and the bottom of the rotating shaft is located on the movement track of the stopper.

4. The karst hole plugging device according to claim 3, characterized in that: A chamber is provided in the fixed seat, and the rotating shaft passes through the chamber, and arc blocks are provided on both sides of the rotating shaft; the chamber is communicated with the side groove, and the side block is provided with a linkage block extending into the chamber, and the end of the linkage block away from the side block is provided with a limiting groove for the arc block to slide into, the arc block and the limiting groove are slidably matched, and the limiting groove is located on the movement trajectory of the arc block.

5. The karst hole plugging device according to claim 4, characterized in that: The first slide groove is communicated with the side groove and the chamber, and the linkage block is provided with a cylindrical block passing through the first slide groove; a first strip hole is vertically provided on the side block, and the cylindrical block can slide in the first strip hole; an inner groove is provided on the inner wall of the first strip hole, and a circular shaft is rotatably connected to the inner groove, and a torsion spring is provided between the circular shaft and the inner groove; a swing arm that can slide in and out of the inner groove is provided on the circular shaft, and the swing arm is located on the movement trajectory of the cylindrical block; the top of the circular shaft is higher than the top of the fixed seat, and the end of the circular shaft away from the inner groove is provided with anti-slip grooves.

6. The karst hole plugging device according to claim 5, characterized in that: Elastic layers are provided on both inner walls of the first strip-shaped hole. The elastic block is arc-shaped. The gap between the two elastic layers is smaller than the diameter of the cylindrical block.

7. The karst hole plugging device according to claim 6, characterized in that: A circular groove for the cylindrical block to slide into is provided at one end of the first strip hole close to the rotating shaft. The circular groove is communicated with the first strip hole. The circular groove is located on the movement trajectory of the cylindrical block. Along the length direction of the first strip hole, the elastic layer is located between the circular groove and the swing arm.

8. A method for plugging karst holes based on the device for plugging karst holes according to claim 7, characterized in that: The following steps are involved: Step 1: Place the fixing base into the karst hole so that the side blocks on both sides of the fixing base abut against the inner wall of the karst hole; Step 2: Pull the stop block to slide upward so that the stop block slides out of the rectangular groove; continue to pull the stop block to slide upward so that the stop block contacts the bottom of the rotating shaft, preventing the stop block from sliding further upward; the rotating shaft is driven to rotate 90 degrees by the stop block, and then the stop block is pushed in the opposite direction so that the stop block slides into the rectangular groove, thereby stopping the stop block and the rotating shaft; during the rotation of the rotating shaft, the rotating shaft drives the first elliptical disk and the second elliptical disk to rotate simultaneously, so that the two first sliders are separated and the two second sliders are separated, thereby allowing the hole wall of the karst hole to be located between the first slider and the second slider; During the sliding of the first slider, the cylindrical block slides relatively in the strip hole, so that the cylindrical block successively passes over the swing arm, passes through the gap between the two elastic layers, and slides into the circular groove, thereby limiting the position of the cylindrical block and then limiting the position of the side block; During the movement of the first slider and the second slider, the bidirectional screw slides relatively in the second strip-shaped hole; Step 3: Rotate the bidirectional screw to bring the bottom block and the top block closer together, thereby clamping the bottom block and the top block against the wall of the karst hole, and stop rotating the bidirectional screw; Step 4: Connect the discharge pipe to the existing grouting equipment, output the slurry through the discharge pipe and seal the karst holes.

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