A ground reinforcement system for frozen soil curtain

By designing a stratigraphic reinforcement system for permafrost curtains, the hydraulic power of frozen and expansion pushes the insertion rod and support structure to be fixed in the formation, the problem of formation fall off caused by the freezing and expansion of permafrost curtains is solved, and the firmness and stability of permafrost curtains are achieved.

CN115652900BActive Publication Date: 2025-04-25CHINA RAILWAY TUNNEL GROUP CO LTD +1
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Patent Information

Application Number
CN202211354962.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-11-01
Publication Date
2025-04-25
Estimated Expiration
2042-11-01

AI Technical Summary

Technical Problem

The frozen soil curtain will expand during the freezing process, causing the formation to fall off easily, affecting the firmness of the frozen soil curtain.

Method used

A stratigraphic reinforcement system for frozen soil curtains is designed. By setting up round holes, insert rods, springs and push rings, the expansion of water during freezing pushes the compression spring of the insert rod. The insert rod is separated from the outer end of the box and inserted into the soil hole of the formation. The main support rod is fitted with the outside of the formation, the main climbing plate is inserted into the outer soil, the connecting rope is in a tight state, and the elastic ply plate fixes the connecting rope to ensure that the insert rods and support structures do not fall off during freezing and expansion.

Benefits of technology

It effectively solves the problem of formation shedding caused by freezing and expansion, ensures the firmness and stability of the frozen soil curtain, and improves the smoothness of movement through the design of the curved panel to prevent lag or stuck.

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Abstract

The present invention provides a stratum reinforcement system for a frozen soil curtain, and relates to the field of frozen soil curtains. The stratum reinforcement system for the frozen soil curtain comprises a main head and a hose, wherein the right end face of the main head is fixedly connected to the left end of the hose, the interior of the main head is a hollow structure, a remote control motor is fixedly connected to the interior of the main head, the output end of the remote control motor rotates and penetrates the left inner wall of the main head, a cone head is arranged on the left side of the main head, the cone head is fixedly sleeved on the output end of the remote control motor, and a plurality of drill plates are fixedly connected to the conical surface of the cone head. The stratum reinforcement system for the frozen soil curtain, by providing a circular hole, a plug rod, a spring A and a push ring, when the stratum is frozen and expanded, since a plurality of plug rods are inserted into the soil in a conical shape, the internal plug rods and the external main support rods and the main climbing board will not fall off under the pulling, thereby achieving the effect of reinforcing the stratum, and solving the problem that the stratum will expand when the stratum is frozen, and thus the stratum is easy to fall off.
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Description

Technical Field

[0001] The invention relates to the field of frozen soil curtains, in particular to a stratum reinforcement system for frozen soil curtains. Background Art

[0002] The statements in this section merely provide background information related to the present disclosure and may not constitute prior art.

[0003] The permafrost curtain construction technology refers to the use of artificial refrigeration technology to circulate low-temperature brine in freezing holes to freeze the water in the strata into ice, turning natural rock and soil into artificial permafrost, and forming a closed and continuous frozen curtain around the soil to be excavated, thereby increasing its elastic modulus and thereby increasing the strength and stability of the permafrost curtain; in order to resist the surrounding rock pressure, water pressure and isolate the connection between groundwater and the excavated body.

[0004] When using a frozen soil curtain, holes need to be drilled in the ground, and then cooling gas is added into the holes to freeze the inner bottom layer. However, when the ground freezes, it will expand, making it easy for the ground to fall off, affecting the firmness of the frozen soil curtain. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a ground reinforcement system for a frozen soil curtain, which solves the problems raised in the background technology.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a stratum reinforcement system for a frozen soil curtain, comprising a main head and a hose, the right end face of the main head is fixedly connected to the left end of the hose, the interior of the main head is a hollow structure, the interior of the main head is fixedly connected to a remote control motor, the output end of the remote control motor rotates and penetrates the left inner wall of the main head, a cone head is provided on the left side of the main head, the cone head is fixedly sleeved on the output end of the remote control motor, a plurality of drill plates are fixedly connected to the conical surface of the cone head, the main head is located between the plurality of drill plates, a connecting rope is fixedly connected to the right side of the main head, a fixing ring is provided on the right side of the main head, the fixing ring is fixedly sleeved on the outer surface of the connecting rope, a push ring is provided on the right side of the fixing ring, a circular hole is opened on the right side of the fixing ring, a sliding rod is slidably inserted into the interior of the circular hole, the right end of the sliding rod is connected to the left side of the push ring The side is fixedly connected, the inside of the circular hole and the left side of the sliding rod are filled with water, the outer ring surface of the fixed ring is fixedly connected with a curved plate, a square frame is fixedly passed through the middle position of the curved plate, a plug rod is slidably inserted into the inside of the square frame, a spring A is fixedly connected to a side of the square frame close to the push ring, the other end of the spring A is fixedly connected to the plug rod, and the spring A is movably sleeved on the outer surface of the plug rod; the outer surface of the hose is movably sleeved with an end ring, the fixed ring and the push ring are both located on the left side of the end ring, the outer ring surface of the end ring is fixedly connected with the main support rod, and the left side of the main support rod is fixedly connected with the main climbing board, the end of the connecting rope located on the right side of the end ring is movably sleeved with an internal threaded ring, the internal thread of the internal threaded ring is inserted with an external threaded ring, the right end surface of the end ring and the left side of the external threaded ring are fixedly connected with multiple elastic splints, and the connecting rope is located between the multiple elastic splints.

[0007] The present invention provides a stratum reinforcement system for a frozen soil curtain, wherein the number of the curved plates is five, and the five curved plates are evenly distributed in a circular array around the axis of a fixed ring, the distances between the left and right ends of the curved plate and the hose are smaller than the distance between the middle position of the curved plate and the hose, the number of circular holes and the number of connecting ropes are both multiple, and the multiple circular holes and the multiple connecting ropes are distributed in a circular array around the axis of a push ring, and the maximum distance between the curved plate and the axis of the hose is smaller than the diameter of the main head.

[0008] Compared with the prior art, the present invention has the following beneficial effects:

[0009] The present invention provides a ground reinforcement system for a frozen soil curtain:

[0010] 1. The ground reinforcement system for the frozen soil curtain is provided with a circular hole, a plug rod, a spring A and a push ring. When freezing, the water in the circular hole expands due to freezing, and the push ring is pushed away from the fixed ring by the sliding rod. Then, the plug rod is pushed by the push ring to compress the spring A. Then, the plug rod is detached from the outer end of the square frame and inserted into the inner wall of the hole in the ground soil. At the same time, the main support rod is fitted with the outside of the ground, and the main climbing plate is inserted into the soil on the outside. The connecting rope is pulled in a taut state, and the elastic clamp is pushed to fix and clamp the connecting rope by rotating the external threaded ring and engaging the internal threaded ring. When the ground freezes and expands, since a plurality of plug rods are inserted into the soil in a conical shape, the internal plug rods, the external main support rods and the main climbing plate will not fall off under the pulling, thereby achieving the effect of reinforcing the ground and solving the problem that the ground expands when the ground freezes, and the ground is easily fallen off.

[0011] 2. The ground reinforcement system for the frozen soil curtain is provided with a curved plate. Since the distance between the left and right ends of the curved plate and the hose is smaller than the distance between the middle position of the curved plate and the hose, when the main head moves, the arc surface of the curved plate contacts the surface of the hole, thereby ensuring smooth movement and preventing jamming or blocking during movement.

[0012] 3. The ground reinforcement system for the frozen soil curtain is provided with auxiliary support rods, bolt rods and auxiliary climbing plates. The number of auxiliary support rods is increased according to the range of the bottom layer that needs to be tightened. The auxiliary support rods are connected to the main support rods by screwing the bolt rods into the threaded grooves. At the same time, the auxiliary climbing plates are inserted into the outer layer of soil to increase the area of ​​the tightened ground. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the present invention;

[0014] Figure 2 This is a schematic diagram of the connection between the bolt rod and the auxiliary support rod of the present invention;

[0015] Figure 3 This is a schematic diagram of the connection between the internal thread ring and the external thread ring of the present invention;

[0016] Figure 4 This is a schematic diagram of the connection between the cone head and the remote control motor of the present invention;

[0017] Figure 5 This is a schematic diagram of the connection between the plug rod and the frame of the present invention;

[0018] Figure 6 It is a schematic diagram of a partial structure of the present invention viewed from above;

[0019] Figure 7 It is a schematic diagram of the connection between the spring B and the fixing ring of the present invention.

[0020] Among them, 1 main head, 2 cone head, 3 hose, 4 remote control motor, 5 drill plate, 6 connecting rope, 7 fixing ring, 8 round hole, 9 push ring, 10 sliding rod, 11 square frame, 12 curved plate, 13 plug rod, 14 spring A, 15 end ring, 16 main support rod, 17 main climbing board, 18 internal thread ring, 19 external thread ring, 20 elastic splint, 21 retaining groove, 22 ring groove, 23 spring B, 24 excavation hole, 25 auxiliary support rod, 26 thread groove, 27 bolt rod, 28 auxiliary climbing board. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. 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 creative work are within the scope of protection of the present invention.

[0022] The terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by "first", "second", etc. are generally of one type, and the number of objects is not limited. For example, the first object can be one or more. In addition, "and / or" in the specification and claims represents at least one of the connected objects, and the character " / " generally indicates that the objects associated with each other are in an "or" relationship.

[0023] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "set" should be understood in a broad sense, for example, they can be fixedly connected or set, or detachably connected or set, or integrally connected or set. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] like Figure 1 , 2As shown in 4, a ground reinforcement system for a frozen soil curtain includes a main head 1, a hose 3 and a cone head 2, wherein the right end face of the main head 1 is fixedly connected to the left end of the hose 3, the interior of the main head 1 is a hollow structure, a remote control motor 4 is fixedly connected to the interior of the main head 1, the output end of the remote control motor 4 rotates and passes through the left inner wall of the main head 1, a power supply can be installed inside the main head 1, and a cone head 2 is arranged on the left side of the main head 1, and the cone head 2 is fixedly sleeved on the output end of the remote control motor 4.

[0026] like Figure 4 As shown, a ground reinforcement system for a frozen soil curtain comprises a main head 1, a hose 3 and a cone head 2, wherein a plurality of drill plates 5 are fixedly connected to the cone surface of the cone head 2.

[0027] Specifically, a stratum reinforcement system for a frozen soil curtain includes a main head 1, a hose 3 and a cone head 2, wherein the cone surface of the cone head 2 is fixedly connected to a plurality of drill plates 5, the drill plates 5 are shaped in a conical spiral distribution, the shape of the main head 1 is conical, and the cone surface of the cone head 2 has the same inclination angle as the cone surface of the main head 1.

[0028] A stratum reinforcement system for a frozen soil curtain comprises a main head 1, a hose 3 and a cone head 2, wherein a plurality of drill plates 5 are fixedly connected to the conical surface of the cone head 2, wherein the plurality of drill plates 5 are evenly distributed with the axis of the main head 1 as the center line. The drill plates 5 with conical bolt distribution in this mechanism are more convenient for soil drilling. A plurality of excavation holes 24 are opened on the right side of the main head 1, and the cone head 2 is located between the plurality of excavation holes 24, so that the drilled soil is discharged to the rear from the excavation holes 24.

[0029] Specifically, a stratum reinforcement system for a frozen soil curtain includes a main head 1, a hose 3 and a cone head 2, wherein the main head 1 is located between a plurality of drill plates 5, a connecting rope 6 is fixedly connected to the right side surface of the main head 1, a fixing ring 7 is provided on the right side of the main head 1, the fixing ring 7 is fixedly sleeved on the outer surface of the connecting rope 6, a push ring 9 is provided on the right side of the fixing ring 7, and the number of related structures of the fixing ring 7 and the push ring 9 can be set according to the length of the drilled hole to disperse the pulling force.

[0030] like Figure 5-7As shown, a stratum reinforcement system for a frozen soil curtain comprises a main head 1, a hose 3 and a cone head 2, a fixing ring 7 is arranged on the right side of the main head 1, a ring groove 22 is provided on the right side surface of the fixing ring 7, a spring B23 is arranged inside the ring groove 22, the left end of the spring B23 is fixedly connected to the left inner wall of the ring groove 22, the right end of the spring B23 is fixedly connected to the left side surface of the push ring 9, the spring B23 has a tendency to pull the push ring 9 close to the fixing ring 7, a circular hole 8 is provided on the right side surface of the fixing ring 7, a slide rod 10 is slidably inserted inside the circular hole 8, the right end of the slide rod 10 is fixedly connected to the left side surface of the push ring 9, the inside of the circular hole 8 and the left side of the slide rod 10 are filled with water, when the freezing treatment is carried out, the water pushes the slide rod 10 to move to the right by solidification, so that the push ring 9 gradually moves away from the fixing ring 7, when the water melts, the spring B23 assists the push ring 9 to reset to the left.

[0031] Specifically, Figure 7 As shown, a ground reinforcement system for a frozen soil curtain comprises a main head 1, a hose 3 and a cone head 2. A fixing ring 7 is arranged on the right side of the main head 1, and a curved plate 12 is fixedly connected to the outer ring surface of the fixing ring 7.

[0032] As a preference, Figure 6 As shown, a stratum reinforcement system for a frozen soil curtain comprises a main head 1, a hose 3 and a cone head 2. A fixing ring 7 is arranged on the right side of the main head 1. A curved plate 12 is fixedly connected to the outer ring surface of the fixing ring 7. There are five curved plates 12, which are evenly distributed in a circular array around the axis of the fixing ring 7. The distances between the left and right ends of the curved plate 12 and the hose 3 are smaller than the distance between the middle position of the curved plate 12 and the hose 3. There are multiple circular holes 8 and multiple connecting ropes 6, which are distributed in a circular array around the axis of a push ring 9. The maximum distance between the curved plate 12 and the axis of the hose 3 is smaller than the diameter of the main head 1, so as to ensure that the curved plate 12 can move smoothly in the drilled soil hole. At the same time, the circumferentially distributed curved plates 12 prevent the structure from tilting as a whole. A square frame 11 is fixedly passed through the middle position of the curved plate 12.

[0033] like Figure 5As shown, a ground reinforcement system for a frozen soil curtain comprises a main head 1, a hose 3, a cone head 2 and a fixing ring 7. The fixing ring 7 is arranged on the right side of the main head 1. The outer ring surface of the fixing ring 7 is fixedly connected with a curved plate 12. A square frame 11 is fixedly passed through the middle position of the curved plate 12. A plug rod 13 is slidably inserted inside the frame 11. The end of the plug rod 13 away from the push ring 9 is an inclined structure. The right side of the plug rod 13 is distributed at an acute angle with the axis of the push ring 9. The plug rod 13 with an inclined structure is easy to insert into the soil Inside, the inserted rod 13 distributed at an acute angle improves the gripping force on the soil, a spring A14 is fixedly connected to one side of the frame 11 close to the push ring 9, the other end of the spring A14 is fixedly connected to the inserted rod 13, the spring A14 is movably sleeved on the outer surface of the inserted rod 13, the spring A14 has a tendency to push the inserted rod 13 close to the push ring 9, the right side surface of the push ring 9 is a conical surface, and the outer surface of the push ring 9 is located on the left side of the conical surface and is provided with a retaining groove 21, and the retaining groove 21 is provided to prevent the inserted rod 13 from escaping from the range of the push ring 9.

[0034] like Figure 1 and 2 As shown, a stratum reinforcement system for a frozen soil curtain comprises a main head 1, a hose 3 and a cone head 2, the outer surface of the hose 3 is movably sleeved with an end ring 15, the fixing ring 7 and the pushing ring 9 are both located on the left side of the end ring 15, the outer ring surface of the end ring 15 is fixedly connected with a main support rod 16, the left side of the main support rod 16 is fixedly connected with a main climbing plate 17, a side of the main support rod 16 away from the end ring 15 is provided with a secondary support rod 25, the main support rod 16 and the secondary support rod 25 are provided with a threaded groove 26 on one side away from the end ring 15, a bolt rod 27 is fixedly connected to one side of the secondary support rod 25 away from the end ring 15, the bolt rod 27 is threadedly inserted into the inside of the threaded groove 26, a secondary climbing plate 28 is fixedly connected to the left side of the secondary support rod 25, the main climbing plate 17 and the secondary climbing plate 28 increase the gripping force of the main support rod 16 and the secondary support rod 25 on the soil, and the secondary support rod 25 increases the fastening area by inserting the bolt rod 27 into the threaded groove 26.

[0035] like Figure 3 As shown, a ground reinforcement system for a frozen soil curtain includes a main head 1, a hose 3 and a cone head 2, wherein the main head 1 is located between multiple drill plates 5, and a connecting rope 6 is fixedly connected to the right side of the main head 1. The end of the connecting rope 6 located on the right side of the end ring 15 is movably sleeved with an internal threaded ring 18, and the internal thread of the internal threaded ring 18 is inserted with an external threaded ring 19.

[0036] like Figure 1-3As shown, a stratum reinforcement system for a frozen soil curtain comprises a main head 1, a hose 3, a cone head 2 and an end ring 15, a connecting rope 6 is fixedly connected to the right side surface of the main head 1, the connecting rope 6 is located on the right side of the end ring 15, the outer surface of the hose 3 is movably sleeved with the end ring 15, a plurality of elastic splints 20 are fixedly connected to the right end surface of the end ring 15 and the left side of the external threaded ring 19, the connecting rope 6 is located between the plurality of elastic splints 20, and the plurality of elastic splints 20 located in the same internal threaded ring 18 are distributed in a cone shape, the end of the elastic splint 20 close to the connecting rope 6 is a horizontal strip structure, and the left end of the external threaded ring 19 is a protruding circular chamfered structure, when the external threaded ring 19 is meshed with the internal threaded ring 18, the elastic splint 20 can be pushed to move, and when the external threaded ring 19 is close to the internal threaded ring 18, the elastic splints 20 can be pushed close to each other to tighten the connecting rope 6, thereby ensuring that during the freezing treatment, the length of the connecting rope 6 in the drilled hole will not change and is always in a taut state.

[0037] When in use, start the remote control motor 4 to drive the drill plate 5 to drill the soil through the cone head 2, gradually pull the fixing ring 7, the push ring 9 and the connecting rope 6 into the drilled hole, and at the same time gradually pull the curved plate 12 into the drilled hole, the curved part of the curved plate 12 contacts the inner wall of the soil hole, when the drilled hole meets the requirements, the cooling material is introduced into the inside through the hose 3 for freezing, the water in the circular hole 8 expands due to the cold and ice, and the push ring 9 is pushed away from the fixing ring 7 through the sliding rod 10, and then the push ring 9 pushes the insertion rod 13 to compress the spring A14, and then the insertion rod 13 is separated from the outer end of the square frame 11 and inserted into the inner wall of the hole in the stratum soil, and at the same time the main support rod 16 is fitted with the outside of the stratum, and the main climbing plate 17 is Insert it into the soil on the outside, pull the connecting rope 6 into a taut state, and push the elastic clamp 20 to fix and clamp the connecting rope 6 by rotating the external threaded ring 19 and engaging the internal threaded ring 18. When the stratum freezes and expands, the connecting rope 6 is tightened. Since multiple insertion rods 13 are inserted into the soil in a conical shape, the internal insertion rods 13 and the external main support rods 16 and the main climbing board 17 will not fall off. When disassembling, hot air is introduced through the hose 3, and the water in the circular hole 8 is melted by the heat. The push ring 9 is pulled close to the fixing ring 7 by the pull of the spring B23, and the insertion rod 13 is gradually approached by the push of the spring A14, and is gradually pulled away from the inner wall of the soil, so that the curved plate 12 contacts the inner wall of the hole, and the structure can be pulled out of the hole in the soil.

[0038] It should be noted that, in this article, the terms "comprise", "include" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise one..." do not exclude the presence of other identical elements in the process, method, article or device including the element. In addition, it should be pointed out that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved, for example, the described method may be performed in an order different from that described, and various steps may also be added, omitted, or combined. In addition, the features described with reference to certain examples may be combined in other examples.

[0039] The embodiments of the present application are described above in conjunction with the accompanying drawings, but the present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. A ground reinforcement system for a frozen soil curtain, comprising a main head (1) and a hose (3), characterized in that: The right end surface of the main head (1) is fixedly connected to the left end of the hose (3); the interior of the main head (1) is a hollow structure; a remote-controlled motor (4) is fixedly connected to the interior of the main head (1); the output end of the remote-controlled motor (4) rotates and penetrates the left inner wall of the main head (1); a cone head (2) is provided on the left side of the main head (1); the cone head (2) is fixedly sleeved on the output end of the remote-controlled motor (4); a plurality of drill plates (5) are fixedly connected to the conical surface of the cone head (2); the main head (1) is located between the plurality of drill plates (5); a connecting rope (6) is fixedly connected to the right side surface of the main head (1); a fixing ring (7) is provided on the right side of the main head (1); the fixing ring (7) is fixedly sleeved on the outer surface of the connecting rope (6); and a fixing ring (7) is provided on the right side of the fixing ring (7). A push ring (9) is provided, a circular hole (8) is provided on the right side of the fixed ring (7), a slide rod (10) is slidably inserted inside the circular hole (8), the right end of the slide rod (10) is fixedly connected to the left side of the push ring (9), the inside of the circular hole (8) and the left side of the slide rod (10) are filled with water, the outer ring surface of the fixed ring (7) is fixedly connected to a curved plate (12), a square frame (11) is fixedly passed through the middle position of the curved plate (12), an insertion rod (13) is slidably inserted inside the square frame (11), a spring A (14) is fixedly connected to a side of the square frame (11) close to the push ring (9), the other end of the spring A (14) is fixedly connected to the insertion rod (13), and the spring A (14) is movably sleeved on the outer surface of the insertion rod (13); The outer surface of the hose (3) is movably sleeved with an end ring (15), the fixing ring (7) and the push ring (9) are both located on the left side of the end ring (15), the outer ring surface of the end ring (15) is fixedly connected to a main support rod (16), the left side of the main support rod (16) is fixedly connected to a main climbing board (17), one end of the connecting rope (6) located on the right side of the end ring (15) is movably sleeved with an internal thread ring (18), the internal thread of the internal thread ring (18) is plugged with an external thread ring (19), the right end surface of the end ring (15) and the left side of the external thread ring (19) are fixedly connected with a plurality of elastic clamps (20), and the connecting rope (6) is located between the plurality of elastic clamps (20); The number of the curved plates (12) is five, the five curved plates (12) are evenly distributed in a circular array around the axis of the fixing ring (7), the distance between the left and right ends of the curved plate (12) and the hose (3) is smaller than the distance between the middle position of the curved plate (12) and the hose (3), the number of the circular holes (8) and the connecting ropes (6) are both multiple, the multiple circular holes (8) and the multiple connecting ropes (6) are distributed in a circular array around the axis of the push ring (9), and the maximum distance between the curved plate (12) and the axis of the hose (3) is smaller than the diameter of the main head (1); The right side surface of the fixing ring (7) is provided with an annular groove (22), a spring B (23) is arranged inside the annular groove (22), the left end of the spring B (23) is fixedly connected to the left inner wall of the annular groove (22), and the right end of the spring B (23) is fixedly connected to the left side surface of the push ring (9); The drill plates (5) are shaped like a cone and are distributed in a spiral shape. The main head (1) is shaped like a cone. The cone surface of the cone head (2) has the same inclination angle as the cone surface of the main head (1). The plurality of drill plates (5) are evenly distributed around the axis of the main head (1).

2. A ground reinforcement system for frozen soil curtain according to claim 1, characterized in that: The right side surface of the push ring (9) is a conical surface, and a retaining groove (21) is provided on the outer surface of the push ring (9) on the left side of the conical surface.

3. A ground reinforcement system for frozen soil curtain according to claim 1, characterized in that: One end of the insertion rod (13) away from the push ring (9) is an inclined structure, and the right side of the insertion rod (13) is distributed at an acute angle to the axis of the push ring (9).

4. A ground reinforcement system for frozen soil curtain according to claim 1, characterized in that: A plurality of excavation holes (24) are provided on the right side of the main head (1), and the cone head (2) is located between the plurality of excavation holes (24).

5. The ground reinforcement system for frozen soil curtain according to claim 1, characterized in that: A secondary support rod (25) is arranged on the side of the main support rod (16) away from the end ring (15); a thread groove (26) is provided on the side of the main support rod (16) and the secondary support rod (25) away from the end ring (15); a bolt rod (27) is fixedly connected to the side of the secondary support rod (25) away from the end ring (15); the bolt rod (27) is threadedly inserted into the inside of the thread groove (26); and a secondary climbing plate (28) is fixedly connected to the left side of the secondary support rod (25).

6. The ground reinforcement system for frozen soil curtain according to claim 1, characterized in that: A plurality of elastic clamps (20) located in the same internal thread ring (18) are distributed in a conical shape, one end of the elastic clamp (20) close to the connecting rope (6) is a horizontal strip structure, and the left end of the external thread ring (19) is a protruding circular chamfered structure.

Citation Information

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