TRD cutting box buried drill pulling device

Abstract

The invention relates to the technical field of pulling equipment of stratum cutting devices, and discloses a TRD cutting box buried drill pulling device which is characterized in that the TRD cutting box buried drill pulling device comprises two sets of supporting wheels arranged on the two sides of a cutting box respectively, the two supporting wheels in the same set are arranged up and down, and a lifting chain is arranged between the two supporting wheels in the same set; a first connecting chain and a second connecting chain are connected to the single chains on the two sides of the lifting chain correspondingly, and the first connecting chain and the second connecting chain are arranged on the single chains on the two sides of the lifting chain correspondingly in an up-down opposite mode. The cutting boxes after drill burying are alternately pulled out, the uppermost cutting box is detached and transferred when the cutting boxes are pulled out every time, the mode of pulling out the cutting boxes layer by layer is adopted, rapid-hardening paste slurry can be conveniently supplemented into holes through the cutting boxes, and quicksand channels at the bottoms of the cutting boxes are conveniently blocked; and the vicious circle that sand continuously inrush into a quicksand layer at the bottom of the cutting box when the cutting box is integrally lifted, and burying is carried out more and more is avoided.

Description

Technical Field

[0001] The present application relates to the technical field of extraction equipment for formation cutting devices, and in particular to a TRD cutting box buried drill extraction device. Background Art

[0002] The TRD cutting box is a device that inserts a cutting box with a chain and a cutter head into the ground to the designed depth. After cutting the soil longitudinally, it can be directly pushed horizontally to cut into grooves. At the same time, cement slurry is injected into the foundation and fully mixed with the original soil to form a uniform and continuous thick wall.

[0003] For example, Chinese utility model patent application number 2018200360617 discloses a cutting box for ultra-deep TRD method, which is connected by several cutting boxes and power boxes to achieve the effect of deep underground cutting.

[0004] During the process of downward excavation or upward lifting, the cutting box is tightly wrapped and stuck by the stratum (usually soft soil, quicksand, gravel layer or complex stratum) for various reasons, and cannot be pulled out by the lifting force of the equipment itself. Therefore, a pulling device is needed to pull out the cutting box.

[0005] The Chinese utility model patent application No. 2021220422336 discloses a TRD cutting box buried drill extraction device, which drives the piston rod through a hydraulic cylinder to move the working box upward, and uses the clamping block connected to the working box to clamp the cutting box and pull out the cutting box.

[0006] However, the existing TRD cutting box is fixed layer by layer, and the overall height of the cutting box is relatively high. If the existing lifting equipment is used to lift a higher cutting box, the hydraulic cylinder needs to be set higher, which makes the stability of the hydraulic cylinder poor. Moreover, when the cutting box is lifted as a whole, as the lifting height of the cutting box increases, it is inconvenient to add quick-setting paste slurry to the bottom layer of the cutting box, so that the quicksand layer at the bottom of the cutting box continues to flow in when the cutting box is lifted as a whole, resulting in a vicious cycle of "the more you pull, the deeper it is buried". Summary of the Invention

[0007] The present application proposes a TRD cutting box buried drill extraction device, which has the advantages of high stability of the hydraulic cylinder used for extraction and is convenient for temperature extraction of multi-layer cutting boxes. It is used to solve the problem of poor stability of the hydraulic cylinder when extracting a whole of several spliced ​​cutting boxes in the existing cutting box buried drill extraction equipment, which is prone to the vicious cycle of "the more you pull, the deeper the drilling" situation.

[0008] To achieve the above-mentioned purpose, the present application adopts the following technical solution: a TRD cutting box buried drill pulling device, characterized in that it includes two groups of support wheels respectively arranged on both sides of the cutting box, the two support wheels in the same group are arranged up and down, and a lifting chain is provided between the two support wheels in the same group.

[0009] The single chains on both sides of the lifting chain are respectively connected with a first connecting chain and a second connecting chain, and the first connecting chain and the second connecting chain are respectively arranged on the single chains on both sides of the lifting chain in an upper and lower relative manner.

[0010] It also includes at least three lifting chain assemblies, wherein the ends of the first connecting chain and the second connecting chain away from the lifting chain are respectively connected to a detachable lifting chain assembly through a hook ring at one end, and a single chain on one side of the lifting chain is fixedly connected to the top of the piston rod of the lifting hydraulic cylinder.

[0011] When in use, the lifting hydraulic cylinder drives the piston rod to drive the single chain on one side of the lifting chain to move up and down, so that the lifting chain assembly connected to one end of the first connecting chain and the second connecting chain alternately pulls the cutting box up as a whole for pulling out, and the grouting holes of the cutting box to be pulled out are grouting during the pulling out, and during the alternating pulling out, the first cutting box pulled out of the ground is disassembled, and the first cutting box is transferred by using a crane through the lifting chain assembly.

[0012] Furthermore, the two sets of support wheels are rotatably connected to the two support columns respectively, and the support columns support and fix the support wheels, and the support wheels can rotate on the support columns, so that the lifting chain is transmitted under the lifting action of the piston rod of the pulling hydraulic cylinder. The two support columns and the pulling hydraulic cylinder are fixedly installed on the top of the base. The base can be fixed on the mobile platform or the vehicle body so that the base can be moved to the cutting box when the TRD cutting box is buried. The pulling hydraulic cylinder is located on the outside of the support columns.

[0013] Furthermore, the diameters of the lifting chain, the first connecting chain, the second connecting chain and the lifting chain are not less than 40 mm, ensuring that the breaking force is large enough to prevent the chain from breaking when the cutting box is lifted.

[0014] Furthermore, a first sleeve and a second sleeve are fixedly installed on the single chains on both sides of the lifting chain, and the first sleeve and the second sleeve have the same structure. The first sleeve is connected to one end of the first connecting chain, and the second sleeve is connected to one end of the second connecting chain. They are fixed to the lifting chain through the first sleeve and the second sleeve so that one end of the first connecting chain and the second connecting chain are connected to the first sleeve and the second sleeve respectively, so that when the lifting chain is transmitted, the up and down movement of the first sleeve and the second sleeve can drive the first connecting chain and the second connecting chain to move respectively.

[0015] Furthermore, through grooves are provided on both sides of the first jacket and the second jacket, and the first connecting chain is hung on the through groove of the first jacket through the hook ring at one end thereof, and the second connecting chain is hung on the through groove of the second jacket through the hook ring at one end thereof. The first connecting chain and the second connecting chain are respectively hung on the second jacket through the hook ring at one end thereof, which facilitates installation and disassembly.

[0016] Furthermore, the center lines connecting the two through grooves of the first jacket and the second jacket are designed to be relatively vertical, so that the two first connecting chains can be staggered with the second connecting chain and the single chain on one side of the lifting chain, so as to ensure that when the first connecting chain pulls the cutting box up, it will not be blocked or interfered by the single chain on one side of the lifting chain and the second connecting chain.

[0017] Furthermore, the lifting chain assembly includes a connecting ring, and the hook rings at one end of the first connecting chain and the second connecting chain are respectively connected to the connecting ring, and two lifting and pulling lifting chains are also connected to the connecting ring, and the two lifting and pulling lifting chains are connected to the connecting ring through the hook ring at one end, and the hook ring at the other end of the lifting and pulling lifting chain is used to connect to the starting slot on one side of the top of the cutting box. After the top cutting box is pulled up, it is separated from the first connecting chain or the second connecting chain through the connecting ring, and the hook of the crane is used to connect to the connecting ring. The connecting ring, the lifting and pulling lifting chain and the cutting box pulled out of the ground and removed can be directly lifted and transported by the crane, so that when the cutting box is pulled out later, quick-setting paste slurry is injected through the top cutting box to seal the quicksand channel at the bottom of the cutting box, so as to prevent the quicksand layer at the bottom of the cutting box from continuing to flow in when the cutting box is lifted as a whole, forming a vicious cycle of "the more you pull, the more buried".

[0018] Furthermore, the first jacket and the second jacket are both formed by splicing two half jackets and fixed by bolts, so that the first jacket and the second jacket are fixedly installed on the lifting chain and move up and down with the transmission of the lifting chain. The upper and lower sides of the first jacket are respectively provided with positioning clamps fixedly sleeved on a single side chain of the lifting chain. The positioning clamp is spliced ​​by two half clamps and fixed by bolts, so that the positioning clamp is conveniently fixed to the lifting chain.

[0019] The beneficial effects of the present invention are as follows: 1. The present application provides a TRD cutting box buried drill extraction device, which sets lifting chains on both sides of the cutting box, uses a lifting hydraulic cylinder to drive a piston rod to drive a single chain on one side of the lifting chain to move up and down, and cooperates with the single chains on both sides of the lifting chain to be connected to the cutting box through chains, so as to alternately extract the drilled cutting box, and each time the cutting box is extracted, the top cutting box is disassembled and transferred. By extracting the cutting box layer by layer, the length of the extraction hydraulic cylinder only needs to be controlled to be no less than the height of a single cutting box. Compared with the method of directly setting an extra-long hydraulic cylinder to extract the cutting box as a whole, the short stroke of the extraction hydraulic cylinder ensures high stability.

[0020] 2. By pulling out the cutting boxes layer by layer, each time a cutting box is removed from the ground, the overall weight of the cutting boxes to be pulled out is reduced, making it easier to remove subsequent cutting boxes.

[0021] 3. By alternately pulling out the cutting box after burying the drill, and dismantling and transferring the top cutting box each time it is pulled out, and pulling out the cutting box layer by layer, it is also convenient to add quick-setting paste slurry into the hole through the cutting box, blocking the quicksand channel at the bottom of the cutting box, and preventing the quicksand layer at the bottom of the cutting box from continuing to flow in when the cutting box is lifted as a whole, resulting in a vicious cycle of "the more you pull out, the more buried". BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only embodiments of the present invention. Those skilled in the art can also derive other drawings based on the provided drawings without inventive work. Figure 1 It is a structural schematic diagram of the present invention; Figure 2 for Figure 1 Front view of Figure 3 for Figure 1 A top view of Figure 4 for Figure 1 Schematic diagram of the connection structure between the two supporting wheels; Figure 5 for Figure 4 Schematic diagram of the connection structure between the first jacket and the lifting chain; Figure 6 for Figure 4 Schematic diagram of the connection structure between the second jacket and the lifting chain; Figure 7 for Figure 5 Schematic diagram of the structure of the positioning clamp.

[0023] In the figure: 1. Base; 2. Support column; 3. Support wheel; 4. Lifting chain; 5. First jacket; 6. Second jacket; 7. Positioning clamp; 8. Lifting hydraulic cylinder; 9. First connecting chain; 10. Second connecting chain; 11. Connecting ring; 12. Lifting chain. DETAILED DESCRIPTION

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] Examples, such as Figures 1-4The utility model provides a kind of TRD cutting box buried drill pulling device, including base 1, two sides of the top of base 1 are respectively fixedly provided with a group of support columns 2, support column 2 is U type column, the number of each group of support columns 2 is two, two support wheels 3 are rotatably connected between the two support columns 2 in the same group, two support wheels 3 are arranged up and down, and the interval value of two support wheels 3 is greater than the height value of single cutting box, at least one lifting chain 4 is movably arranged between two support wheels 3 arranged up and down, if cutting depth of cutting box is deeper, two or more lifting chains 4 can be arranged, and the diameter of lifting chain 4 is not less than 40 mm.

[0026] First clamping sleeve 5 and second clamping sleeve 6 are fixedly installed on lifting chain 4, first clamping sleeve 5 and second clamping sleeve 6 are located on two single-side chains of lifting chain 4 respectively, and move towards or away from each other with the transmission of lifting chain 4 between two support wheels 3, as Figure 5 And Figure 6 The structure of first clamping sleeve 5 and second clamping sleeve 6 is same, and first clamping sleeve 5 and second clamping sleeve 6 are spliced by two half clamping sleeves, and are fixed by bolt, so that first clamping sleeve 5 and second clamping sleeve 6 can be fixed on lifting chain 4 and move with the transmission of lifting chain 4, and the two sides of first clamping sleeve 5 and second clamping sleeve 6 are provided with through slot, and the outside of through slot is designed as smooth circular arc chamfer.

[0027] Please continue to refer to Figures 1-4 The upper and lower sides of first clamping sleeve 5 are respectively provided with positioning clamping block 7 fixedly sleeved on one single-side chain of lifting chain 4, as Figure 7 Positioning clamping block 7 is spliced by two half clamping blocks, and is fixed by bolt, so as to be fixed and disassembled, and the top of base 1 is fixedly installed with pulling hydraulic cylinder 8 located outside support column 2, the top end of piston rod of pulling hydraulic cylinder 8 is fixedly connected with two positioning clamping blocks 7, when piston rod of pulling hydraulic cylinder 8 moves upwards, two positioning clamping blocks 7 and first clamping sleeve 5 are pushed to move upwards, lifting chain 4 moves clockwise between two support wheels 3, as Figure 4 Positioning clamping block 7 and first clamping sleeve 5 are pushed to move downwards, lifting chain 4 moves counterclockwise between two support wheels 3, and second clamping sleeve 6 on the other single-side chain moves upwards.

[0028] Please refer to Figure 4-Figure 6The center lines of the two through grooves of the first jacket 5 and the second jacket 6 are relatively vertical. A first connecting chain 9 is respectively installed in the through grooves on both sides of the first jacket 5, and the first connecting chain 9 is hung to the through groove of the first jacket 5 through a hook at one end thereof. A second connecting chain 10 is installed in the through groove on one side of the second jacket 6, and the second connecting chain 10 is also hung to the through groove of the second jacket 6 through a hook at one end thereof. The first connecting chain 9 and the second connecting chain 10 are conveniently installed and disassembled through the setting of the hook.

[0029] The other ends of the first connecting chain 9 and the second connecting chain 10 are also provided with hooks, and are respectively connected to connecting rings 11 through hooks. Two lifting chains 12 are also connected to the connecting ring 11, and the two lifting chains 12 are connected to the connecting ring 11 through the hook at one end. The hook at the other end of the lifting chain 12 is used to connect with the starting slot on one side of the top of the cutting box. If there is no slot on the cutting box, a clamping claw can be added to clamp one side of the cutting box, and then the clamping claw is connected to the hook at the other end of the lifting chain 12. The clamping claw is an existing well-known clamping device and will not be described here.

[0030] When in use, first drive the piston rod of the lifting hydraulic cylinder 8 to drive the positioning clamp 7 and the first clamping sleeve 5 to move to the support wheel 3 above the supporting column 2. At this time, the second clamping sleeve 6 is close to the support wheel 3 below the supporting column 2, and then the hook at one end of the second connecting chain 10 is hung on the connecting ring 11 (the construction workers can operate by standing on the scaffolding). At the same time, the hooks at one end of the two lifting and hoisting chains 12 are hung on the connecting ring 11, and the hooks at the other ends of the two lifting and hoisting chains 12 are respectively hung on the through grooves on one side of the cutting box. The lifting and hoisting chains 12, the connecting ring 11 and the second connecting chain 10 on both sides of the cutting box are connected. After all are connected, start the lifting hydraulic cylinder 8 to drive the piston rod to drive the positioning clamp 7 and the first jacket 5 to move downward. At this time, the second jacket 6 on the single chain on the other side of the lifting chain 4 will pull the second connecting chain 10, the connecting ring 11 and the lifting and hoisting chain 12 upward, thereby pulling the cutting box upward. During the process of pulling the cutting box upward, quick-setting paste slurry (such as water glass + bentonite) is injected into the hole through the grouting hole of the first cutting box to block the quicksand channel at the bottom of the cutting box, so as to prevent the quicksand layer at the bottom of the cutting box from continuing to flow in when the cutting box is lifted as a whole, forming a vicious cycle of "the more you pull, the more buried".

[0031] When the positioning clamp 7 moves to the support wheel 3 near the bottom of the supporting column 2, the second cutting box moves to the support wheel 3 near the bottom of the supporting column 2, and the hook at one end of the second connecting chain 10 is hung on the connecting ring 11. At the same time, the hook at one end of the two lifting chains 12 is hung on the connecting ring 11, and the hooks at the other ends of the two lifting chains 12 are respectively hung on the through grooves on one side of the second cutting box. After the lifting chains 12, connecting rings 11 and the second connecting chains 10 on both sides of the second cutting box are connected, the second connecting chain 10 is separated from the connecting ring 11, and the connecting ring 11 connected to the first cutting line is placed on the hook of the crane (the crane is an existing equipment for transferring the cutting box when the cutting line is installed layer by layer. It is not drawn in the figure and will not be described here). Then, the bolts and nuts used for fixing between the two cutting boxes are removed, and the crane transfers the first cutting box.

[0032] Finally, the lifting hydraulic cylinder 8 is started to drive the piston rod to drive the positioning clamp 7 to move upward, so that the positioning clamp 7 drives the first jacket 5, the first connecting chain 9 connecting ring 11 and the lifting and hoisting chain 12 to move upward, thereby pulling the second cutting box upward, and injecting quick-setting paste slurry into the hole through the grouting hole on the second cutting box until the positioning clamp 7 moves to the support wheel 3 near the top of the supporting column 2. At this time, the third cutting box moves to the support wheel 3 near the bottom of the supporting column 2, and repeat the above steps to hang the hook at one end of the lifting and hoisting chain 12 connected to the second connecting chain 10 on the side slot of the third cutting box, and disassemble the second cutting box for transfer. Repeat this process to pull out, dismantle and transfer the cutting box in turn.

[0033] The above description of the disclosed embodiments is intended to enable one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A TRD cutting box buried drill extraction device, characterized in that: It includes two groups of supporting wheels respectively arranged on both sides of the cutting box, the two supporting wheels in the same group are arranged up and down, and a lifting chain is provided between the two supporting wheels in the same group; The single chains on both sides of the lifting chain are respectively connected with a first connecting chain and a second connecting chain, and the first connecting chain and the second connecting chain are respectively arranged on the single chains on both sides of the lifting chain in an upper and lower relative manner; It also includes at least three lifting chain assemblies, wherein the ends of the first connecting chain and the second connecting chain away from the lifting chain are respectively connected to a detachable lifting chain assembly through a hook ring at one end, and a single chain on one side of the lifting chain is fixedly connected to the top end of the piston rod of the lifting hydraulic cylinder; When in use, the lifting hydraulic cylinder drives the piston rod to drive the single chain on one side of the lifting chain to move up and down, so that the lifting chain assembly connected to one end of the first connecting chain and the second connecting chain alternately pulls the cutting box up as a whole for pulling out, and the grouting holes of the cutting box to be pulled out are grouting during the pulling out, and during the alternating pulling out, the first cutting box pulled out of the ground is disassembled, and the first cutting box is transferred by using a crane through the lifting chain assembly.

2. The TRD cutting box buried drill extraction device according to claim 1, characterized in that: The two groups of supporting wheels are rotatably connected to the two supporting columns respectively. The two supporting columns and the lifting hydraulic cylinder are fixedly installed on the top of the base, and the lifting hydraulic cylinder is located on the outside of the supporting columns.

3. The TRD cutting box buried drill extraction device according to claim 1, characterized in that: The diameters of the lifting chain, the first connecting chain, the second connecting chain and the lifting and hoisting chain are not less than 40 mm.

4. The TRD cutting box buried drill extraction device according to claim 1, characterized in that: A first jacket and a second jacket are fixedly installed on the single chains on both sides of the lifting chain respectively. The first jacket and the second jacket have the same structure. The first jacket is connected to one end of the first connecting chain, and the second jacket is connected to one end of the second connecting chain.

5. The TRD cutting box buried drill extraction device according to claim 4, characterized in that: Through slots are provided on both sides of the first and second jackets. The first connecting chain is hung on the through slot of the first jacket via a hook at one end thereof, and the second connecting chain is hung on the through slot of the second jacket via a hook at one end thereof.

6. The TRD cutting box buried drill extraction device according to claim 5, characterized in that: The center lines connecting the two through grooves of the first jacket and the second jacket are designed to be relatively vertical.

7. The TRD cutting box buried drill extraction device according to claim 5, characterized in that: The lifting chain assembly includes a connecting ring, and the hook rings at one end of the first connecting chain and the second connecting chain are respectively connected to the connecting ring. Two lifting chains are also connected to the connecting ring, and the two lifting chains are connected to the connecting ring through the hook ring at one end, and the hook ring at the other end of the lifting chain is used to connect to the starting slot on one side of the top of the cutting box.

8. The TRD cutting box buried drill extraction device according to claim 4, characterized in that: The first jacket and the second jacket are both formed by splicing two half jackets. The upper and lower sides of the first jacket are respectively provided with positioning clamps fixedly sleeved on a single side chain of the lifting chain. The positioning clamp is spliced ​​by two half blocks.

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