Karst cave treatment device for pile foundation construction

Abstract

The utility model relates to the technical field of karst cave treatment, in particular to a karst cave treatment device used in pile foundation construction, which comprises a movable support frame, a slurry stirring structure is clamped and embedded on the movable support frame, and a slurry flow increasing pressure structure is arranged on one side of the slurry stirring structure. The slurry flow increasing pressure structure comprises a compressed air tank, an air compressor, an exhaust pipe and a ball valve adjusting switch, the air compressor comprises a compression cavity, a rapid reciprocating telescopic rod, a compression sliding plug and an air inlet groove hole which are arranged side by side, the bottom of the slurry stirring structure is communicated with a slurry discharging pipe, and the tail end of the exhaust pipe is connected with the slurry discharging pipe. According to the utility model, pressurization, storage and one-way discharge of air can be integrated through the slurry flow-increasing pressure structure, so that compressed air does not need to be supplemented from the outside during operation during long-time operation, the preparation work before the device is used is simple, and workers can use the device in different operation places conveniently.

Description

Technical Field

[0001] This utility model relates to a karst cave treatment device for pile foundation construction, and particularly to a karst cave treatment device for pile foundation construction, belonging to the field of karst cave treatment technology. Background Technology

[0002] Encountering karst caves during construction is a common geological problem, especially in limestone areas. The presence of karst caves can affect construction safety and quality, so effective treatment of karst caves is necessary. Currently, the most common and effective practice is to grout the karst caves. Grouting treatment of karst caves can effectively improve the bearing capacity and stability of the foundation, improve the stress state of the surrounding rock of the tunnel, control surface settlement, simplify construction technology, improve project quality, protect the environment, and has certain economic benefits.

[0003] However, existing karst cave treatment devices used in pile foundation construction all use compressed air tanks to increase the slurry flow rate when improving the slurry discharge rate. However, in order to ensure the working time, the compressed air tanks need to be frequently filled with air, which makes the preparation work before using the device cumbersome and inconvenient for workers to use it at different work locations.

[0004] Therefore, it is urgent to improve the karst cave treatment device used in pile foundation construction to solve the above-mentioned problems. Utility Model Content

[0005] The purpose of this invention is to provide a karst cave treatment device for pile foundation construction. This device can pressurize, store, and discharge air in one direction through a mud flow pressure structure, so that there is no need to replenish compressed gas from the outside during long-term operation. This simplifies the preparation work before use and makes it easier for workers to use in different work locations.

[0006] To achieve the above objectives, the main technical solution adopted by this utility model includes: a movable support frame, on which a mud stirring structure is embedded; a mud flow boosting pressure structure is installed on one side of the mud stirring structure; the mud flow boosting pressure structure includes a compressed air tank, an air compressor arranged in one direction next to the compressed air tank, an exhaust pipe arranged outside the compressed air tank, and a ball valve regulating switch arranged on the exhaust pipe; the air compressor includes two compression chambers arranged side by side, a rapid reciprocating telescopic rod arranged at the top of the inside of the compression chamber, a compression slide plug arranged at the telescopic end of the rapid reciprocating telescopic rod, and air inlet slots opened on both sides of the compression chamber; a mud discharge pipe is arranged at the bottom of the mud stirring structure, and the end of the exhaust pipe is connected to the mud discharge pipe.

[0007] Preferably, the compression chamber is connected to the compressed air tank via a one-way check valve, the exhaust pipe is connected to the slurry discharge pipe via a connector, and an insertion slurry discharge hose is installed at the end of the slurry discharge pipe, the insertion slurry discharge hose being screwed onto the end of the slurry discharge pipe via an installation head.

[0008] Preferably, the slurry discharge pipe is connected to the bottom of the mud mixing structure via an automatic valve. The automatic valve includes a connecting block disposed between the slurry discharge pipe and the mud mixing structure, a receiving groove symmetrically opened in the connecting block, and an automatic gate symmetrically installed in the receiving groove.

[0009] Preferably, the automatic gate includes a gate plate slidably installed in the storage slot, electric telescopic rods symmetrically arranged on both sides of the gate plate, and a connecting buckle for connecting the electric telescopic rods to the gate plate, with the end of the electric telescopic rods disposed in the storage slot.

[0010] Preferably, the mobile support frame includes a chassis support, a fixed frame disposed above the chassis support, and a connecting column connecting the chassis support and the fixed frame, wherein the chassis support is provided with a traction buckle.

[0011] Preferably, the mud mixing structure is snap-fitted onto the fixed frame, and the mud mixing structure includes a mixing chamber, a first cover installed at the upper opening of the mixing chamber, and a mixer installed on the first cover.

[0012] Preferably, the mixer includes a mounting protection box disposed on the upper surface of the first cover, a drive motor mounted in the mounting protection box, a rotating block disposed at the output end of the drive motor, and a mixing and crushing cage disposed at the other end of the rotating block.

[0013] Preferably, the chassis support is symmetrically provided with first movable wheels on both sides of the support near the mud mixing structure, and the chassis support is symmetrically provided with casters below the mud flow boosting pressure structure. The upper surface of the first cover is provided with a dispensing port, and a second cover is rotatably installed on the dispensing port. The compressed air tank is provided with a compressed gas quick air inlet, and the upper surface of the first cover is provided with a water inlet.

[0014] This utility model has at least the following beneficial effects:

[0015] 1. This utility model can achieve integrated pressurization, storage and unidirectional discharge of air by cooperating with the compression chamber, rapid reciprocating telescopic rod, compression slide plug and air inlet hole in the mud flow pressure structure. Therefore, during long-term operation, there is no need to supplement compressed gas from the outside, which simplifies the preparation work before use and makes it convenient for workers to use in different work locations. Attached Figure Description

[0016] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:

[0017] Figure 1 This is a schematic diagram of the overall structure and appearance of this utility model;

[0018] Figure 2 This is a schematic diagram of the mud flow boosting pressure structure of this utility model;

[0019] Figure 3 This is a schematic diagram of the mud mixing structure of this utility model;

[0020] Figure 4 This is a schematic diagram of the internal structure of the mud mixing device of this utility model;

[0021] Figure 5 This is a schematic diagram of the automatic valve structure of this utility model;

[0022] Figure 6 This is a schematic diagram of the mobile support frame structure of this utility model.

[0023] In the diagram, 1. Movable support frame; 2. Mud mixing structure; 3. Mud flow boosting pressure structure; 4. Compressed air tank; 5. Air compressor; 6. Exhaust pipe; 7. Ball valve regulating switch; 8. Traction buckle; 9. Slurry discharge pipe; 10. Mixing chamber; 11. Air inlet; 12. Compression chamber; 13. Quick reciprocating telescopic rod; 14. Compression slide plug; 15. Air inlet slot; 16. One-way check valve; 17. Connector; 18. Inserted slurry discharge hose; 19. Mounting head; 20. 21. Automatic valve; 22. Connecting block; 23. Storage trough; 24. Automatic gate; 25. Gate plate; 26. Electric telescopic rod; 27. Connecting buckle; 28. Chassis bracket; 29. ​​Fixing frame; 30. Connecting column; 31. First cover; 32. Mixer; 33. Mounting protection box; 34. Drive motor; 35. Rotating block; 36. Mixing and crushing cage; 37. First moving wheel; 38. Universal wheel; 39. Discharge port; 40. Second cover; 51. Water inlet. Detailed Implementation

[0024] The following will describe in detail the implementation of this application with reference to the accompanying drawings and embodiments, so that the implementation process of how this application uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0025] like Figures 1-6As shown, the karst cave treatment device for pile foundation construction provided in this embodiment includes a movable support frame 1, a mud mixing structure 2 is embedded in the movable support frame 1, a mud flow boosting pressure structure 3 is installed on one side of the mud mixing structure 2, the mud flow boosting pressure structure 3 includes a compressed air tank 4, an air compressor 5 connected in one direction and disposed next to the compressed air tank 4, an exhaust pipe 6 connected to the outside of the compressed air tank 4, and a ball valve regulating switch 7 disposed on the exhaust pipe 6. The air compressor 5 includes two compression chambers 12 arranged side by side, and a fast valve disposed at the top of the inside of the compression chamber 12. The system includes a rapid reciprocating telescopic rod 13, a compression slide plug 14 located at the telescopic end of the rapid reciprocating telescopic rod 13, and air inlet slots 15 on both sides of the compression chamber 12. A slurry discharge pipe 9 is connected to the bottom of the mud mixing structure 2, and the end of the exhaust pipe 6 is connected to the slurry discharge pipe 9. A movable support frame 1 facilitates the support and fixation of the mud mixing structure 2 and the mud flow boosting pressure structure 3, and also allows for the relocation of the work site. The mud mixing structure 2 facilitates the mixing of the required grout, and the mud flow boosting pressure structure 3 facilitates the rapid flow of the required grout from the high-speed airflow. The grout flows through the discharge pipe 9, which rapidly pressurizes the grout flowing through it, allowing it to be sprayed more quickly into the karst cave during construction, thereby increasing work efficiency. The compressed air tank 4 facilitates the temporary storage of compressed gas. The air compressor 5 facilitates the intake of outside air, then rapidly compresses the intake air and pushes it into the compressed air tank 4. The exhaust pipe 6 facilitates the discharge of compressed gas from the compressed air tank 4 into the discharge pipe 9. The ball valve regulating switch 7 facilitates the opening and closing of the exhaust pipe 6, thereby controlling the discharge or closing of compressed gas in the compressed air tank 4. Stop, the slurry discharge pipe 9 facilitates the discharge of the slurry mixed in the mud mixing structure 2 into the working cave. The compression chamber 12, the rapid reciprocating telescopic rod 13, the compression slide plug 14 and the air inlet slot 15 cooperate with each other to facilitate the rapid compression of the intake air. The rapid reciprocating telescopic rod 13 facilitates the rapid reciprocating motion of the compression slide plug 14 in the compression chamber 12, thereby compressing the air entering the compression chamber 12. The compression slide plug 14 facilitates the compression of air under the action of the rapid reciprocating telescopic rod 13. The air inlet slot 15 facilitates the drawing of outside air into the compression chamber 12.

[0026] Furthermore, such as Figure 1 , Figure 2 , Figure 3 ,as well as Figure 5As shown, the compression chamber 12 is connected to the compressed air tank 4 via a one-way check valve 16, and the exhaust pipe 6 is connected to the slurry discharge pipe 9 via a connector 17. An insertion slurry discharge hose 18 is installed at the end of the slurry discharge pipe 9. The insertion slurry discharge hose 18 is screwed onto the end of the slurry discharge pipe 9 via an installation head 19. The one-way check valve 16 allows the compressed gas from the air compressor 5 to quickly and unidirectionally enter the compressed air tank 4, while the compressed gas in the compressed air tank 4 will not flow back into the compression chamber 12. The connector 17 allows the end of the exhaust pipe 6 to be connected to the slurry discharge pipe 9. The insertion slurry discharge hose 18 allows it to penetrate deep into the karst cave and quickly inject slurry into the cave. The installation head 19 allows the insertion slurry discharge hose 18 to be installed at the end of the exhaust pipe 6, and different insertion slurry discharge hoses 18 can be replaced according to the depth of the karst cave.

[0027] Furthermore, such as Figure 3 and Figure 5 As shown, the slurry discharge pipe 9 is connected to the bottom of the mud mixing structure 2 via an automatic valve 20. The automatic valve 20 includes a connecting block 21 connected between the slurry discharge pipe 9 and the mud mixing structure 2, a receiving groove 22 symmetrically opened in the connecting block 21, and an automatic gate 23 symmetrically installed in the receiving groove 22. The automatic valve 20 facilitates the opening and closing of the bottom opening of the mud mixing structure 2, so that the slurry in the mud mixing structure 2 can flow through the slurry discharge pipe 9, and can also be closed to prevent the slurry from flowing through the slurry discharge pipe 9. The connecting block 21 facilitates the connection between the slurry discharge pipe 9 and the bottom of the mud mixing structure 2, and the receiving groove 22 facilitates the storage of the automatic gate 23. The two automatic gates 23 are close to each other to facilitate the closing or opening of the bottom opening of the mud mixing structure 2.

[0028] Furthermore, such as Figure 3 and Figure 5 As shown, the automatic gate 23 includes a gate plate 24 slidably installed in the storage groove 22, electric telescopic rods 25 symmetrically arranged on both sides of the gate plate 24, and a connecting buckle 26 for connecting the electric telescopic rods 25 and the gate plate 24. The end of the electric telescopic rod 25 is located in the storage groove 22. The two gate plates 24 can move closer or further apart under the action of the two electric telescopic rods 25, thereby closing or opening the opening at the bottom of the mud mixing structure 2. The connecting buckle 26 facilitates connecting the gate plate 24 and the electric telescopic rod 25 together.

[0029] Furthermore, such as Figure 1 and Figure 6As shown, the mobile support frame 1 includes a chassis support 27, a fixed frame 28 disposed above the chassis support 27, and a connecting column 29 connecting the chassis support 27 and the fixed frame 28. The chassis support 27 is provided with a traction buckle 8. The chassis support 27 facilitates the support and fixation of the connecting column 29 and the fixed frame 28. The connecting column 29 facilitates the connection of the chassis support 27 and the fixed frame 28 together. The fixed frame 28 facilitates the fixing of the mud mixing structure 2 and the reverse clamp. The traction buckle 8 facilitates the pulling of the device and its movement to the work site.

[0030] Furthermore, such as Figure 1 , Figure 3 as well as Figure 4 As shown, the mud mixing structure 2 is snapped into the fixing frame 28. The mud mixing structure 2 includes a mixing chamber 10, a first cover 30 installed at the upper opening of the mixing chamber 10, and a mixer 31 installed on the first cover 30. The mixing chamber 10 is convenient for storing slurry, the first cover 30 is convenient for sealing the upper opening of the mixing chamber 10, and the mixer 31 is convenient for quickly mixing the slurry stored in the mixing chamber 10.

[0031] Furthermore, such as Figure 3 and Figure 4 As shown, the mixer 31 includes a mounting protection box 32 disposed on the upper surface of the first cover 30, a drive motor 33 mounted in the mounting protection box 32, a rotating block 34 disposed at the output end of the drive motor 33, and a mixing and crushing cage 35 disposed at the other end of the rotating block 34. The mounting protection box 32 facilitates the fixing and protection of the drive motor 33, the drive motor 33 facilitates the provision of driving force to the mixing and crushing cage 35, the rotating block 34 facilitates the connection between the output end of the drive motor 33 and the mixing and crushing cage 35, and at the same time allows the mixing and crushing cage 35 to rotate and be locked into the first cover 30. The mixing and crushing cage 35 facilitates the mixing and stirring of slurry or mud by rotation and counter-current mixing.

[0032] Furthermore, such as Figure 1 , Figure 2 , Figure 3 , Figure 4 as well as Figure 6As shown, the chassis support 27 is symmetrically equipped with first moving wheels 36 on both sides of the support near the mud mixing structure 2. The chassis support 27 is symmetrically equipped with casters 37 below the mud flow pressure structure 3. The upper surface of the first cover 30 has a feeding port 38, and a second cover 39 is rotatably installed on the feeding port 38. The compressed air tank 4 is equipped with a compressed gas quick inlet 11. The upper surface of the first cover 30 is equipped with a water inlet 40. The first moving wheels 36 and the casters 37 cooperate with each other to facilitate the multi-directional movement of the device. The feeding port 38 facilitates the feeding of slurry into the mixing chamber 10. The second cover 39 facilitates the sealing of the feeding port 38. The compressed gas quick inlet 11 facilitates the direct injection of compressed gas into the compressed air tank 4 from the outside. The water inlet 40 facilitates the injection of water into the mixing chamber 10.

[0033] like Figures 1-6 As shown, the principle of the karst cave treatment device for pile foundation construction provided in this embodiment is as follows: When using the device, the second cover 39 should be opened first, and then the slurry should be poured into the mixing chamber 10. Then the second cover 39 should be closed, and then the water inlet 40 should be opened and an appropriate amount of mixing solution should be added. At this time, the drive motor 33 starts to work and drives the mixing and crushing cage 35 to rotate in the opposite direction.

[0034] At this point, compressed gas can be injected into the compressed gas tank 4 in advance through the compressed gas quick air inlet 11. Then, the device can be pulled to the work site by a tractor. After that, the slurry discharge hose 18 can be inserted into the drilled hole above the karst cave to be grouted. After the mixing and crushing cage 35 has finished mixing the slurry, the automatic valve 20 can be opened to allow the slurry to flow into the slurry discharge pipe 9.

[0035] At this time, the ball valve regulating switch 7 on the exhaust pipe 6 is opened, so that the compressed gas enters the slurry discharge pipe 9 through the connector 17. At this time, the compressed gas will be discharged quickly through the slurry discharge pipe 9, and the slurry in the slurry discharge pipe 9 will increase its flow rate rapidly with the compressed gas, and finally be sprayed into the cave from the slurry discharge hose 18, thereby improving the work efficiency.

[0036] At the same time, the rapid reciprocating telescopic rod 13 begins to push the compression slide 14 to extend, and then the compression slide 14 will rapidly compress the gas in the compression chamber 12. Subsequently, the one-way check valve 16 opens, allowing the compressed gas to enter the compressed gas tank 4. After the compressed gas enters the compressed gas tank 4, the one-way check valve 16 closes. At this time, the rapid reciprocating telescopic rod 13 begins to drive the compression slide 14 to retract, and then the compression slide 14 will move upward, which makes the compression section in the compression chamber 12 a vacuum state. When the compression slide 14 moves to the initial position, the air inlet hole 15 will be exposed. Since the compression section in the compression chamber 12 is a vacuum state, outside air will be quickly drawn into the compression section in the compression chamber 12. Repeating the above steps can continuously supply compressed gas to the compressed gas tank 4 so that the compressed gas tank 4 is always in a state of compressed gas fullness.

[0037] If certain terms are used in the specification and claims to refer to specific components, those skilled in the art will understand that hardware manufacturers may use different names to refer to the same component. This specification and claims do not distinguish components based on differences in name, but rather on differences in function. The term "comprising" as used throughout the specification and claims is an open-ended term and should be interpreted as "comprising but not limited to." "Approximately" means that within an acceptable margin of error, those skilled in the art can solve the technical problem and substantially achieve the technical effect within a certain margin of error.

[0038] It should be noted that the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a product or system comprising a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a product or system. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the product or system that includes that element.

[0039] The foregoing description illustrates and describes several preferred embodiments of the present invention. However, as previously stated, it should be understood that the present invention is not limited to the forms disclosed herein and should not be construed as excluding other embodiments. It can be used in various other combinations, modifications, and environments, and can be altered within the scope of the inventive concept described herein through the foregoing teachings or techniques or knowledge in related fields. Any modifications and variations made by those skilled in the art that do not depart from the spirit and scope of the present invention should be within the protection scope of the appended claims.

Claims

1. A device for treating karst caves in pile foundation construction, comprising a movable support frame (1), characterized in that: A mud stirring structure (2) is fitted onto the mobile support frame (1). A mud flow boosting pressure structure (3) is installed on one side of the mud stirring structure (2). The mud flow boosting pressure structure (3) includes a compressed air tank (4), an air compressor (5) connected in one direction to the side of the compressed air tank (4), an exhaust pipe (6) connected to the outside of the compressed air tank (4), and a ball valve regulating switch (7) on the exhaust pipe (6). The air compressor (5) includes two compression chambers (12) arranged side by side, a rapid reciprocating telescopic rod (13) located at the top of the inside of the compression chamber (12), a compression sliding plug (14) located at the telescopic end of the rapid reciprocating telescopic rod (13), and air inlet slots (15) opened on both sides of the compression chamber (12). A slurry discharge pipe (9) is connected to the bottom of the mud stirring structure (2). The end of the exhaust pipe (6) is connected to the slurry discharge pipe (9).

2. The device for treating karst caves in pile foundation construction according to claim 1, characterized in that: The compression chamber (12) is connected to the compressed air tank (4) through a one-way check valve (16), the exhaust pipe (6) is connected to the slurry discharge pipe (9) through a connector (17), and an insertion slurry discharge hose (18) is installed at the end of the slurry discharge pipe (9). The insertion slurry discharge hose (18) is screwed into the end of the slurry discharge pipe (9) through an installation head (19).

3. The karst cave treatment device for pile foundation construction according to claim 1, characterized in that: The discharge pipe (9) is connected to the bottom of the mud mixing structure (2) via an automatic valve (20). The automatic valve (20) includes a connecting block (21) connected between the discharge pipe (9) and the mud mixing structure (2), a receiving groove (22) symmetrically opened in the connecting block (21), and an automatic gate (23) symmetrically installed in the receiving groove (22).

4. The karst cave treatment device for pile foundation construction according to claim 3, characterized in that: The automatic gate (23) includes a gate plate (24) slidably installed in the storage slot (22), an electric telescopic rod (25) symmetrically arranged on both sides of the gate plate (24), and a connecting buckle (26) for connecting the electric telescopic rod (25) and the gate plate (24). The end of the electric telescopic rod (25) is located in the storage slot (22).

5. A device for treating karst caves in pile foundation construction according to claim 1, characterized in that: The mobile support frame (1) includes a chassis support (27), a fixed frame (28) disposed above the chassis support (27), and a connecting column (29) connecting the chassis support (27) and the fixed frame (28). A traction buckle (8) is provided on the chassis support (27).

6. A karst cave treatment device for pile foundation construction according to claim 5, characterized in that: The mud mixing structure (2) is fitted onto the fixed frame (28). The mud mixing structure (2) includes a mixing chamber (10), a first cover (30) installed at the upper opening of the mixing chamber (10), and a mixer (31) installed on the first cover (30).

7. A karst cave treatment device for pile foundation construction according to claim 6, characterized in that: The mixer (31) includes a mounting protection box (32) disposed on the upper surface of the first cover (30), a drive motor (33) mounted in the mounting protection box (32), a rotating block (34) disposed at the output end of the drive motor (33), and a mixing and crushing cage (35) disposed at the other end of the rotating block (34).

8. A karst cave treatment device for pile foundation construction according to claim 7, characterized in that: The chassis support (27) is symmetrically equipped with first moving wheels (36) on both sides of the support near the mud mixing structure (2). The chassis support (27) is symmetrically equipped with casters (37) below the mud flow pressure structure (3). The upper surface of the first cover (30) is provided with a feeding port (38). A second cover (39) is rotatably installed on the feeding port (38). The compressed air tank (4) is provided with a compressed gas quick air inlet (11). The upper surface of the first cover (30) is provided with a water inlet (40).

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