Railway loess tunnel non-blasting high-frequency vibration excavation cracking instrument

Abstract

This invention relates to the field of loess tunnel construction and excavation technology, specifically a non-explosive high-frequency vibration excavation and cracking device for railway loess tunnels. It includes a first cracking control and adjustment main body, a movable support main body, a second cracking control and adjustment main body, a limiting plug-in plate, a first fixing bolt, a movable support wheel, and support legs. The limiting plug-in plate is uniformly and fixedly installed at the bottom end of the movable support main body. The support legs are slidably engaged with the bottom end of the limiting plug-in plate. The first fixing bolt is fixedly installed on the limiting plug-in plate and the support legs. The movable support wheel is rotatably connected to the bottom end of the support legs. This invention allows for stable long-term use of parts and components that do not require vibration during continuous use, as they are not affected by high-frequency vibration. It also offers high cracking efficiency and a wide cracking treatment area.

Description

Technical Field

[0001] This invention relates to the field of loess tunnel construction and excavation technology, specifically a non-explosive high-frequency vibration excavation and pyrolysis device for railway loess tunnels. Background Technology

[0002] During the operation of high-speed and heavy-haul railways in my country's loess regions, the fatigue damage to the mechanical properties of the surrounding loess due to vibration loads cannot be ignored. Specifically, unsaturated loess under long-term loads caused by train vibrations may exhibit negative phenomena such as roadbed loosening, cracking, and lateral displacement due to damage to the soil structure. Unsaturated loess refers to loess whose pores are filled with water and air, meaning its saturation is less than 100% but greater than 0. This soil state is widespread in nature, especially in arid and semi-arid regions. Due to its unique physical and mechanical properties, such as low saturation, high void ratio, and strong water sensitivity, effectively cracking unsaturated loess during engineering construction is a challenging task. Traditional construction methods, such as manual excavation and blasting, are not only inefficient but also often fail to achieve the desired cracking effect and may even damage the surrounding environment. Therefore, the crushing and excavation of unsaturated loess has always been a challenge in fields such as civil engineering, mining, and agriculture. Not only is the cracking efficiency of unsaturated loess low, but it is also easy to damage the soil structure. Therefore, a non-blasting high-frequency vibration excavation and cracking device for railway loess tunnels is needed to solve the above problems. Summary of the Invention

[0003] To address the problems in the existing technology, this invention provides a non-explosive high-frequency vibration excavation and pyrolysis device for railway loess tunnels.

[0004] The technical solution adopted by this invention to solve its technical problem is: a non-explosive high-frequency vibration excavation and cracking device for railway loess tunnels, comprising a first cracking control and adjustment body, a movable support body, a second cracking control and adjustment body, a limiting plug-in plate, a first fixing bolt, a movable support wheel, and a support leg. The limiting plug-in plate is uniformly fixedly installed at the bottom end of the movable support body, and the support leg is slidably engaged with the bottom end of the limiting plug-in plate. The first fixing bolt is fixedly installed on the limiting plug-in plate and the support leg. The movable support wheel is rotatably connected to the bottom end of the support leg. The first cracking control and adjustment body and the second cracking control and adjustment body are distributed on the side ends of the movable support body, and the first cracking control and adjustment body and the second cracking control and adjustment body are... The main body of the joint has the same structure. The movable support body includes a tapered fixed claw, a sliding support arm, a stabilizing support arm, a first electric push rod, a first motor, and an adjustment and control device. The stabilizing support arm is symmetrically engaged inside both ends of the adjustment and control device. The first motor is fixedly installed on the outer sides of both ends of the adjustment and control device. The first electric push rod is fixedly installed on both sides of the stabilizing support arm. The sliding support arm is slidably engaged inside the stabilizing support arm. The front end of the first electric push rod is fixedly connected to the sliding support arm. The tapered fixed claw is fixedly installed at the bottom end of the sliding support arm. The second cracking control and adjustment body includes a buffer adjustment device and a vibration cracking device. The buffer adjustment device is disposed on the vibration cracking device.

[0005] Preferably, the adjustment and control device includes a second electric push rod, a sliding plug-in plate, a first support fixing plate, a fixing lock hole, a fixing plug-in pin, a sliding limit slot, a second motor, a first drive adjusting gear, a synchronous rotating wheel, a mounting fixing sleeve, a sliding adjusting plate, a second support fixing plate, a movable adjusting gear plate, and a synchronous belt. The second support fixing plate is disposed on one side of the first support fixing plate. The sliding plug-in plate is uniformly fixedly installed on the inner side of the first support fixing plate, and the sliding plug-in plate is slidably engaged inside the second support fixing plate. The second electric push rod is symmetrically fixedly installed on the second support fixing plate, and the front end of the second electric push rod is fixedly connected to the upper end of the first support fixing plate. The fixing lock hole is uniformly opened at both ends of the first and second support fixing plates, and the fixing plug-in pin is inserted into the fixing lock hole. Inside the device, the sliding limiting slot is formed on the outer side of the first support fixing plate and the second support fixing plate. The sliding adjusting plate is slidably engaged inside the sliding limiting slot. The movable adjusting tooth plate is fixedly installed on the sliding adjusting tooth plate. The mounting fixing sleeve is fixedly installed on the outer sides of both ends of the first support fixing plate and the second support fixing plate. The first driving adjusting gear is rotatably disposed inside the mounting fixing sleeve. The synchronous rotating wheel is fixedly connected to the side end of the first driving adjusting gear and is rotatably engaged on the mounting fixing sleeve. The second motor is fixedly installed on the mounting fixing sleeve, and the driving end of the second motor is fixedly connected to the middle of the first driving adjusting gear and the synchronous rotating wheel. The first driving adjusting gear is meshed with the movable adjusting tooth plate. The synchronous belt is rotatably disposed between the synchronous rotating wheels.

[0006] Preferably, the buffer adjustment device includes a third motor, a fixed connecting tray, a second drive adjustment gear, a rotating adjustment gear, a third electric push rod, a limiting insertion cylinder, a side compression clamping plate, an L-shaped support drive arm, a fourth electric push rod, a sliding control cross plate, a limiting clamping cylinder, a sixth electric push rod, a limiting buffer clamping post, a second connecting plate, a second buffer spring, a third connecting plate, a compression plate, a compression buffer spring, and a compression fixing plate. The second drive adjustment gear and the rotating adjustment gear are rotatably engaged on the fixed connecting tray, and the second drive adjustment gear meshes with the rotating adjustment gear. The third motor is fixedly installed at the bottom end of the fixed connecting tray, and the drive end of the third motor is fixedly connected to the middle of the bottom end of the second drive adjustment gear. The limiting insertion cylinder is fixedly connected to the end of the rotating adjustment gear that is not toothed. The third electric push rod is evenly fixedly installed on the side end of the limiting insertion cylinder. The side compression clamping plate is disposed inside the limiting insertion cylinder, and the drive end of the third electric push rod is fixedly connected to the side compression clamping plate. The end of the L-shaped support drive arm is inserted into the inside of the limiting insertion cylinder. The sliding control plate is slidably engaged inside the L-shaped support drive arm. The fourth electric push rod is symmetrically fixedly installed on the side end of the L-shaped support drive arm, and the front end of the fourth electric push rod is fixedly connected to the sliding control plate. The limiting cylinder is fixedly connected to the front end of the sliding control plate. The limiting buffer pin is slidably engaged inside the limiting cylinder. The second connecting plate is fixedly connected to the bottom end of the limiting buffer pin. The second buffer spring is fixedly connected to the bottom end of the second connecting plate. The third connecting plate is fixedly connected to the bottom end of the second buffer spring. The sixth electric push rod is uniformly fixedly installed on the limiting cylinder. The extrusion plates are uniformly arranged inside the limiting cylinder, and the front end of the sixth electric push rod is fixedly connected to the extrusion plate. The extrusion fixing plates are uniformly arranged inside the limiting cylinder, and the extrusion fixing plates are distributed on the outside of the limiting buffer pin. The extrusion buffer spring is fixedly installed between the extrusion plate and the extrusion fixing plate.

[0007] Preferably, a fixed mounting bracket is fixedly installed on the upper end of the limiting clamping cylinder, and a fifth electric push rod is fixedly installed on the middle part of the upper end of the fixed mounting bracket by bolts. The bottom end of the fifth electric push rod is fixedly connected to a first connecting plate and a first buffer spring, and the bottom end of the first buffer spring is fixedly connected to the upper end of the limiting buffer pin through the first connecting plate.

[0008] Preferably, the vibration cracking device includes a high-frequency electromagnetic vibrator, a mounting and adjusting bracket, a third fixing bolt, a seventh electric push rod, a limiting vibration column, a fixing frame, a conical cracking plug, and a fixing and adjusting threaded hole. The fixing frame is fixedly connected to the bottom end of the limiting vibration column, causing the fixing and adjusting threaded holes to be evenly opened on the limiting vibration column. The seventh electric push rod is evenly fixedly installed on the upper end of the limiting vibration column. The mounting and adjusting bracket is slidably engaged with the limiting vibration column. The third fixing bolt provided on the mounting and adjusting bracket is inserted into the interior of the fixing and adjusting threaded hole. The auxiliary fixing frame is evenly fixedly installed on the mounting and adjusting bracket by bolts. The bottom end of the seventh electric push rod is fixedly connected to the mounting and adjusting bracket. The conical cracking plug is evenly fixedly installed on the bottom end of the fixing frame.

[0009] Preferably, a second arc-shaped insert plate is uniformly fixedly installed at the bottom end of the fixed frame, and the second arc-shaped insert plate and the conical cracked plug are evenly distributed. A first arc-shaped insert plate is uniformly fixedly installed at the bottom edge of the fixed frame, and the conical cracked plug and the second arc-shaped insert plate are located inside the first arc-shaped insert plate.

[0010] Preferably, the upper end of the limiting plug plate is fixedly connected to the bottom end of the first support fixing plate and the second support fixing plate, respectively, and the fixed connecting trays in the first crack control adjustment body and the second crack control adjustment body are fixedly connected to the middle of the outer ends of the two sliding adjustment plates.

[0011] Preferably, the drive end of the first motor is fixedly connected to the upper end of the stabilizing support arm, the fixed insertion pin is inserted into the upper end of the stabilizing support arm, and the bottom end of the third connecting plate is fixedly connected to the upper end of the limiting vibration column.

[0012] Preferably, a limiting plate is uniformly fixedly installed on the outer end of the fixed frame, and a movable adjustment plate is slidably engaged inside the limiting plate. The second fixing bolt is uniformly threaded and rotated into the limiting plate and the movable adjustment plate. The movable adjustment plate is uniformly provided with threaded insertion holes adapted to the second fixing bolt. An auxiliary fixing frame is fixedly connected to the end of the movable adjustment plate opposite to the limiting plate, and an auxiliary conical cracking plug is uniformly fixedly installed at the bottom end of the auxiliary fixing frame.

[0013] Preferably, auxiliary arc-shaped inserts are uniformly fixedly installed at the bottom end of the auxiliary fixing frame, and the auxiliary arc-shaped inserts and auxiliary conical cracked plugs are evenly distributed at the bottom end of the auxiliary fixing frame.

[0014] The beneficial effects of this invention are: I. This invention comprises a first cracking control and adjustment body and a second cracking control and adjustment body, which can operate synchronously and collaboratively, greatly improving the efficiency of high-frequency vibration cracking of unsaturated loess. The high-frequency electromagnetic vibrators in the first and second cracking control and adjustment bodies can operate collaboratively to achieve high-frequency vibration. Furthermore, the high-frequency electromagnetic vibrators can be easily disassembled and replaced, allowing for convenient adjustment of the vibration crushing level and intensity of the equipment. This enables the first arc-shaped insert plate, the conical cracking plug, and the second arc-shaped insert plate, all evenly arranged at the bottom of the fixed frame, to achieve high-frequency vibration. During vibration, these components can be inserted into the interior of the unsaturated loess, causing it to crack sufficiently. Additionally, auxiliary fixed frames are evenly arranged around the fixed frame. Auxiliary arc-shaped inserts and auxiliary conical cracking plugs are evenly arranged at the bottom of the frame to fully penetrate and crack the unsaturated loess. When the first arc-shaped insert and conical cracking plug at the bottom of the fixed frame vibrate at high frequency to crack the unsaturated loess, they can simultaneously drive the auxiliary arc-shaped inserts and auxiliary conical cracking plugs arranged around the frame to insert into the interior of the unsaturated loess, greatly improving the efficiency of vibration cracking of the unsaturated loess. Furthermore, during construction, by rotating the adjustment plate and inserting it into the threaded holes at different positions on the adjustment plate, the position of the auxiliary arc-shaped inserts and auxiliary conical cracking plugs can be adjusted and controlled, ensuring that the unsaturated loess cracked by the evenly distributed auxiliary arc-shaped inserts and auxiliary conical cracking plugs is vibrated and cracked by the first arc-shaped insert and conical cracking plug. The vibration-induced cracks in the unsaturated loess are successfully connected, ensuring a high efficiency in cracking unsaturated loess and allowing for the smooth connection of large-area cracks, resulting in a good cracking effect. Furthermore, the third connecting plate and second buffer spring provide sufficient vibration damping during high-frequency vibration, preventing damage to components in the buffer adjustment device and ensuring stable connection between components for extended periods. This also ensures stable connection between the buffer adjustment device and the overall adjustment and control device for long-term use. The L-shaped support drive arm in the buffer adjustment device is also able to be inserted into the limit plug-in cylinder. Only when the limiting plug-in cylinder needs to drive the L-shaped support drive arm to rotate, the third electric push rod controls the side compression clamping plates to compress the L-shaped support drive arm, thereby locking and fixing the L-shaped support drive arm. This effectively isolates vibration, ensuring that high-frequency vibrating parts in the equipment do not affect the stable connection and use of other components. Furthermore, during high-frequency vibration, activating the fifth electric push rod compresses the first buffer spring and the first connecting plate, indirectly pressing the limiting buffer pin, the second connecting plate, the second buffer spring, and the third connecting plate. This increases the compressive penetration force of the first arc-shaped plug plate, the conical cracking plug, and the second arc-shaped plug plate during high-frequency vibration, thus increasing the cracking strength against unsaturated loess.This ensures that parts and components of the device that do not require vibration are not affected by high-frequency vibration, allowing for stable connection and use over extended periods.

[0015] II. This invention offers high cracking efficiency and a wide cracking area. When vibrating and cracking unsaturated loess using the first arc-shaped insert plate, the conical cracking plug, and the second arc-shaped insert plate at high frequency, activating the fourth electric push rod allows the sliding control plate to slide along the interior of the L-shaped support drive arm. Activating the third motor drives the second drive adjustment gear to rotate, which in turn drives the rotating adjustment gear disc to rotate in both directions, thus rotating the L-shaped support drive arm, the sliding control plate, and the entire vibration cracking device. Activating the second motor also drives the first drive adjustment gear to rotate. One rotating first drive adjustment gear, through a synchronous rotating wheel and synchronous belt, allows two first drive adjustment gears to rotate synchronously. Moving the adjustment gear plate allows the first drive adjustment gear to slide laterally along the sliding limit slot, indirectly and conveniently adjusting the vibration working area and position of the first and second cracking control adjustment bodies. This allows the equipment to efficiently and conveniently complete one-time cracking treatment of large areas of unsaturated loess. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of the main body of the present invention; Figure 2 This is a side view of the three-dimensional structure of the main body of the present invention; Figure 3 This is a schematic diagram of the movable support main structure in this invention; Figure 4 This is a schematic diagram of the adjustment and control device structure in this invention; Figure 5 This is a schematic diagram of the second crack control and adjustment main structure in this invention; Figure 6 This is a schematic diagram of the buffer adjustment device in the present invention; Figure 7 This is a schematic diagram of the disassembled structure of the buffer adjustment device in this invention; Figure 8 This is a schematic diagram of the vibration cracking device in this invention; Figure 9 This is a schematic diagram of the external structure of the limiting vibration column in this invention; Figure 10 This is a schematic diagram of the bottom structure of the fixed frame in this invention.

[0018] In the diagram: 1-First crack control adjustment body, 2-Moving support body, 3-Second crack control adjustment body, 4-Limiting plug-in plate, 5-First fixing bolt, 6-Moving support wheel, 7-Support leg, 8-Conical fixing claw, 9-Sliding support arm, 10-Stabilizing support arm, 11-First electric push rod, 12-First motor, 14-Adjustment control device, 15-Second electric push rod, 16-Sliding plug-in plate, 17-First support fixing plate, 18-Fixing locking hole, 1 9-Fixed insertion pin, 20-Sliding limit slot, 21-Second motor, 22-First drive adjusting gear, 23-Synchronous rotating wheel, 24-Mounting fixing sleeve, 25-Sliding adjusting plate, 26-Second support fixing plate, 27-Moving adjusting gear plate, 28-Synchronous belt, 29-Buffer adjusting device, 30-Vibration cracking device, 31-Third motor, 32-Fixed connecting tray, 33-Second drive adjusting gear, 34-Rotating adjusting gear plate, 35-Third motor 36 - Push rod, 37 - Limiting connector, 38 - Side compression clamping plate, 39 - L-shaped support drive arm, 40 - Fourth electric push rod, 41 - Sliding control cross plate, 42 - Fifth electric push rod, 43 - Fixed mounting bracket, 44 - First buffer spring, 45 - Limiting clamp, 46 - Sixth electric push rod, 47 - Limiting buffer pin, 48 - Second connecting plate, 49 - Second buffer spring, 50 - Third connecting plate, 51 - Compression plate, 52 - Compression buffer spring 53-Extrusion fixing plate, 54-High frequency electromagnetic vibrator, 55-Auxiliary fixing frame, 56-Auxiliary arc-shaped insert plate, 57-Auxiliary conical cracked plug, 58-Moving adjustment plate, 59-Second fixing bolt, 60-Limiting plate, 61-Installation adjustment bracket, 62-Third fixing bolt, 63-Seventh electric push rod, 64-Limiting vibration column, 65-Fixed frame, 66-First arc-shaped insert plate, 67-Conical cracked plug, 68-Second arc-shaped insert plate, 69-Fixed adjustment threaded hole. Detailed Implementation

[0019] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.

[0020] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate for the embodiments of this application described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0021] The invention will be further described below with reference to the accompanying drawings.

[0022] Example 1 like Figure 1-3 and Figure 5As shown, the present invention discloses a non-explosive high-frequency vibration excavation and cracking device for railway loess tunnels, comprising a first cracking control and adjustment body 1, a movable support body 2, a second cracking control and adjustment body 3, a limiting plug-in plate 4, a first fixing bolt 5, a movable support wheel 6, and a support leg 7. The limiting plug-in plate 4 is uniformly fixedly installed at the bottom end of the movable support body 2, and the support leg 7 is slidably engaged with the bottom end of the limiting plug-in plate 4. The first fixing bolt 5 is fixedly installed on the limiting plug-in plate 4 and the support leg 7, and the movable support wheel 6 is rotatably connected to the bottom end of the support leg 7. The first cracking control and adjustment body 3... The main body 1 and the second crack control adjustment body 3 are distributed on the side ends of the movable support body 2, and the first crack control adjustment body 1 and the second crack control adjustment body 3 have the same structure. The movable support body 2 includes a tapered fixed claw 8, a sliding support arm 9, a stabilizing support arm 10, a first electric push rod 11, a first motor 12, and an adjustment control device 14. The stabilizing support arm 10 is symmetrically snapped into the inside of both ends of the adjustment control device 14. The first motor 12 is fixedly installed on the outside of both ends of the adjustment control device 14, and the first electric push rod 11 is fixedly installed on the outside of the stabilizing support body 14. On both sides of the support arm 10, the sliding support arm 9 is slidably engaged inside the stable support arm 10. The front end of the first electric push rod 11 is fixedly connected to the sliding support arm 9. The conical fixing claw 8 is fixedly installed at the bottom end of the sliding support arm 9. The second cracking control and adjustment body 3 includes a buffer adjustment device 29 and a vibration cracking device 30. The buffer adjustment device 29 is set on the vibration cracking device 30. The first motor 12 set at both ends of the first support fixing plate 17 and the second support fixing plate 26 is started synchronously. The first motor 12 can drive the stable support arm 10 distributed at both ends of the first support fixing plate 17 and the second support fixing plate 26 to rotate downward and tilt. Then the first electric push rod 11 is started, so that the first electric push rod 11 drives the sliding support arm 9 to slide out from the inside of the stable support arm 10 and discharge it, so that the conical fixing claw 8 is inserted into the ground, thereby making the equipment stable for use. And starting the second electric push rod 15 can adjust and control the distance between the first support fixing plate 17 and the second support fixing plate 26, so that the overall support and stability performance of the moving support body 2 can be easily adjusted.

[0023] like Figure 4As shown, the adjustment and control device 14 includes a second electric push rod 15, a sliding plug-in plate 16, a first support fixing plate 17, a fixing locking hole 18, a fixing plug-in pin 19, a sliding limit slot 20, a second motor 21, a first drive adjusting gear 22, a synchronous rotating wheel 23, a mounting fixing sleeve 24, a sliding adjusting plate 25, a second support fixing plate 26, a moving adjusting gear plate 27, and a synchronous belt 28. The second support fixing plate 26 is disposed on one side of the first support fixing plate 17, and the sliding plug-in plate 16 is evenly fixedly installed on the inner side of the first support fixing plate 17, and the sliding plug-in plate 16 is slidably engaged with the inner side of the second support fixing plate 26. The second electric push rod 15 is symmetrically fixedly installed on the second support fixing plate 26, and the front end of the second electric push rod 15 is fixedly connected to the upper end of the first support fixing plate 17. Fixed locking holes 18 are evenly opened at both ends of the first support fixing plate 17 and the second support fixing plate 26. Fixed insertion pins 19 are inserted into the inside of the fixed locking holes 18. Sliding limit grooves 20 are opened on the outer sides of the first support fixing plate 17 and the second support fixing plate 26. Sliding adjusting plates 25 are slidably engaged inside the sliding limit grooves 20. Moving adjusting toothed plates 27 are fixedly installed on the sliding adjusting plates 25. Mounting fixing sleeves 24 are fixedly installed on the first support fixing plate 17. On the outer sides of both ends of the supporting fixing plate 17 and the second supporting fixing plate 26, a first drive adjusting gear 22 is rotatably disposed inside the mounting fixing sleeve 24. A synchronous rotating wheel 23 is fixedly connected to the side end of the first drive adjusting gear 22 and is rotatably engaged with the mounting fixing sleeve 24. A second motor 21 is fixedly mounted on the mounting fixing sleeve 24, and the drive end of the second motor 21 is fixedly connected to the middle of the first drive adjusting gear 22 and the synchronous rotating wheel 23. The first drive adjusting gear 22 is meshed with the movable adjusting gear plate 27. A synchronous belt 28 is rotatably disposed between the synchronous rotating wheels 23. Starting the second motor 21 can... The first drive adjustment gear 22 is driven to rotate. One rotating first drive adjustment gear 22 can cause two first drive adjustment gears 22 to rotate synchronously through the set synchronous rotating wheel 23 and synchronous belt 28. The rotating first drive adjustment gear 22 can slide laterally along the sliding limit groove 20 by moving the adjustment tooth plate 27. This indirectly and conveniently adjusts the vibration working area and position of the first cracking control adjustment body 1 and the second cracking control adjustment body 3 as a whole, so that the equipment can efficiently and conveniently complete the one-time cracking treatment of large areas of unsaturated loess.

[0024] like Figure 6-7As shown, the buffer adjustment device 29 includes a third motor 31, a fixed connecting tray 32, a second drive adjustment gear 33, a rotating adjustment gear 34, a third electric push rod 35, a limiting insertion cylinder 36, a side compression clamping plate 37, an L-shaped support drive arm 38, a fourth electric push rod 39, a sliding control cross plate 40, a limiting clamping cylinder 45, a sixth electric push rod 46, a limiting buffer clamping post 47, a second connecting plate 48, a second buffer spring 49, a third connecting plate 50, a compression plate 51, a compression buffer spring 52, and a compression fixing plate 53. The second drive adjustment gear 33 and the rotating adjustment gear 34 are rotatably clamped onto the fixed connecting tray 32, and the second drive adjustment gear 33 is meshed with the rotating adjustment gear 34. The third motor 31 is fixed. The third electric motor 31 is fixedly connected to the bottom of the fixed connecting tray 32, and the driving end of the third electric motor 31 is fixedly connected to the middle of the bottom of the second driving adjusting gear 33. The limiting plug-in cylinder 36 is fixedly connected to the end of the rotating adjusting gear 34 without teeth. The third electric push rod 35 is evenly fixedly installed on the side of the limiting plug-in cylinder 36. The side extrusion clamping plate 37 is set inside the limiting plug-in cylinder 36, and the driving end of the third electric push rod 35 is fixedly connected to the side extrusion clamping plate 37. The end of the L-shaped support driving arm 38 is inserted into the inside of the limiting plug-in cylinder 36. The sliding control cross plate 40 is slidably engaged inside the L-shaped support driving arm 38. The fourth electric push rod 39 is symmetrically fixedly installed on the side of the L-shaped support driving arm 38, and the front end of the fourth electric push rod 39 is connected to the side of the L-shaped support driving arm 38. A sliding control plate 40 is fixedly connected, a limiting cylinder 45 is fixedly connected to the front end of the sliding control plate 40, a limiting buffer pin 47 is slidably engaged inside the limiting cylinder 45, a second connecting plate 48 is fixedly connected to the bottom end of the limiting buffer pin 47, a second buffer spring 49 is fixedly connected to the bottom end of the second connecting plate 48, a third connecting plate 50 is fixedly connected to the bottom end of the second buffer spring 49, a sixth electric push rod 46 is evenly fixedly installed on the limiting cylinder 45, a pressing plate 51 is evenly arranged inside the limiting cylinder 45, and the front end of the sixth electric push rod 46 is fixedly connected to the pressing plate 51, a pressing fixing plate 53 is evenly arranged inside the limiting cylinder 45, and the pressing fixing plate 53 is distributed on the outside of the limiting buffer pin 47, and the pressing buffer... A spring 52 is fixedly installed between the extrusion plate 51 and the extrusion fixing plate 53. A fixing bracket 42 is fixedly installed on the upper end of the limiting clamping cylinder 45. A fifth electric push rod 41 is fixedly installed on the middle of the upper end of the fixing bracket 42 by bolts. The bottom end of the fifth electric push rod 41 is fixedly connected to the first connecting plate 44 and the first buffer spring 43. The bottom end of the first buffer spring 43 is fixedly connected to the upper end of the limiting buffer clamping post 47 through the first connecting plate 44. The second buffer spring 49 plays a role in blocking and buffering vibration reduction. By using the fifth electric push rod 41 to press the first buffer spring 43 and the first connecting plate 44, the limiting buffer clamping post 47, the second connecting plate 48, the second buffer spring 49, and the third connecting plate 50 can be indirectly pressed.This increases the compressive penetration force of the first arc-shaped insert 66, the conical cracking plug 67, and the second arc-shaped insert 68 during high-frequency vibration, thereby increasing the cracking strength of the unsaturated loess.

[0025] like Figure 8-10 As shown, the vibration cracking device 30 includes a high-frequency electromagnetic vibrator 54, a mounting and adjusting bracket 61, a third fixing bolt 62, a seventh electric push rod 63, a limiting vibration column 64, a fixing frame 65, a conical cracking plug 67, and a fixing and adjusting threaded hole 69. The fixing frame 65 is fixedly connected to the bottom end of the limiting vibration column 64, causing the fixing and adjusting threaded hole 69 to be evenly opened on the limiting vibration column 64. The seventh electric push rod 63 is evenly fixedly installed on the upper end of the limiting vibration column 64. The mounting and adjusting bracket 61 is slidably engaged with the limiting vibration column 64. The third fixing bolt 62 provided on the mounting and adjusting bracket 61 is inserted into the interior of the fixing and adjusting threaded hole 69. The auxiliary fixing frame 55 is evenly fixedly installed on the mounting and adjusting bracket 61 by bolts. The seventh electric push rod 63... The bottom end of the electric push rod 63 is fixedly connected to the mounting adjustment bracket 61. The conical cracking plug 67 is evenly fixedly installed at the bottom end of the fixed frame 65. The bottom end of the fixed frame 65 is evenly fixedly installed with the second arc-shaped insert plate 68, and the second arc-shaped insert plate 68 and the conical cracking plug 67 are evenly distributed. The bottom edge of the fixed frame 65 is evenly fixedly installed with the first arc-shaped insert plate 66, and the conical cracking plug 67 and the second arc-shaped insert plate 68 are located inside the first arc-shaped insert plate 66. The first arc-shaped insert plate 66, the conical cracking plug 67 and the second arc-shaped insert plate 68 can be inserted into the soil at high frequency to achieve cracking treatment. The position and intensity level of the high-frequency vibration of the high-frequency electromagnetic vibrator 54 and the mounting adjustment bracket 61 can be easily adjusted.

[0026] The upper end of the limiting plug plate 4 is fixedly connected to the bottom end of the first support fixing plate 17 and the second support fixing plate 26 respectively. The fixed connecting tray 32 in the first crack control adjustment body 1 and the second crack control adjustment body 3 is fixedly connected to the middle of the outer end of the two sliding adjustment plates 25 respectively, which plays the role of fixed support connection.

[0027] The drive end of the first motor 12 is fixedly connected to the upper end of the stabilizing support arm 10. The fixed insertion pin 19 is inserted into the upper end of the stabilizing support arm 10 to achieve the function of locking and fixing adjustment. The bottom end of the third connecting plate 50 is fixedly connected to the upper end of the limiting vibration column 64 to play the role of fixing connection.

[0028] The working principle of Example 1 is as follows: When in use, the device is first moved to the designated work area by the moving support wheel 6. After the construction position is determined, the first motor 12 set at both ends of the first support fixing plate 17 and the second support fixing plate 26 is started simultaneously. The first motor 12 can drive the stable support arms 10 distributed at both ends of the first support fixing plate 17 and the second support fixing plate 26 to rotate and tilt downward. Then, the first electric push rod 11 is started, so that the first electric push rod 11 drives the sliding support arm 9 to slide out from the inside of the stable support arm 10, so that the conical fixing claw 8 is inserted into the ground, thereby making the device stably erected and used. Furthermore, starting the second electric push rod 15 can adjust and control the distance between the first support fixing plate 17 and the second support fixing plate 26, so that the overall support and stability performance of the moving support body 2 can be easily adjusted. After the stable installation is completed, the sixth electric push rod 46 in the first crack control adjustment body 1 and the second crack control adjustment body 3 is activated. The sixth electric push rod 46 drives the compression plate 51 to move away from the limiting buffer pin 47, thereby releasing the compression buffer spring 52 and the compression fixing plate 53 from the compression force on the limiting buffer pin 47. Then, the fifth electric push rod 41 in the first crack control adjustment body 1 and the second crack control adjustment body 3 is activated. The fifth electric push rod 41 presses the first connecting plate 44 and the first buffer spring 43 downward, causing the limiting buffer pin 47 to move downward inside the limiting cylinder 45, thus causing the first crack control adjustment body 1 and the second crack control adjustment body 3 to move downward. The bottom ends of the first arc-shaped insert 66, the conical cracking plug 67, and the second arc-shaped insert 68 in the control and adjustment body 3 contact the unsaturated loess surface. Then, the high-frequency electromagnetic vibrator 54 in the first cracking control and adjustment body 1 and the second cracking control and adjustment body 3 is activated. The high-frequency electromagnetic vibrator 54 enables the installation adjustment bracket 61 to connect with the limiting vibration column 64 to achieve high-frequency vibration. The high-frequency vibration limiting vibration column 64 can then drive the first arc-shaped insert 66, the conical cracking plug 67, and the second arc-shaped insert 68, which are evenly arranged at the bottom, to achieve high-frequency vibration through the fixed frame 65. During the vibration, they can be inserted into the interior of the unsaturated loess, causing the unsaturated loess to crack, and the limiting vibration... During the high-frequency vibration of column 64, the third connecting plate 50 and the second buffer spring 49 provide sufficient vibration damping, ensuring that the high-frequency vibration does not affect the components in the buffer adjustment device 29. This also allows for stable connection and use of the components in the buffer adjustment device 29 over a long period, and for stable connection and use between the buffer adjustment device 29 as a whole and the adjustment control device 14 over a long period. Furthermore, the L-shaped support drive arm 38 in the buffer adjustment device 29 is movably inserted into the limit plug-in cylinder 36. Only when the limit plug-in cylinder 36 needs to drive the L-shaped support drive arm 38 to rotate is the third electric push rod 35 controlling the clamping plates 37 on each side to press against the L-shaped support drive arm 38. The L-shaped support drive arm 38 is pressed to lock and fix the L-shaped support drive arm 38, thus effectively blocking vibration. This ensures that the high-frequency vibration of the parts in this equipment will not affect the stable connection and use of other components. During high-frequency vibration, the fifth electric push rod 41 is activated. The fifth electric push rod 41 presses the first buffer spring 43 and the first connecting plate 44, which can indirectly press the limit buffer pin 47, the second connecting plate 48, the second buffer spring 49, and the third connecting plate 50. This increases the pressing and penetrating force of the first arc-shaped insert plate 66, the conical cracking plug 67, and the second arc-shaped insert plate 68 during high-frequency vibration, thereby increasing the cracking strength of the unsaturated loess. When the fixed frame 65 and the limiting vibration column 64 are driven to vibrate at high frequency by the synchronous vibration of each high-frequency electromagnetic vibrator 54, the third fixing bolt 62 can be removed by unscrewing it. Then, the seventh electric push rod 63 can be activated to drive the installation adjustment bracket 61 to slide up and down along the limiting vibration column 64, thereby adjusting and controlling the use position of the installation adjustment bracket 61 and the high-frequency electromagnetic vibrators 54 evenly arranged on the installation adjustment bracket 61. This allows the frequency and intensity of the vibration of the limiting vibration column 64 to be easily adjusted. After adjustment, the third fixing bolt 62 can be inserted into the fixing adjustment threaded hole 69 at different positions on the limiting vibration column 64 to fix the adjusted installation adjustment bracket 61, so that the frequency and intensity of the vibration can be easily adjusted and controlled. When unsaturated loess is vibrated and cracked using the first arc-shaped insert 66, the conical cracking plug 67, and the second arc-shaped insert 68 at high frequency, activating the fourth electric push rod 39 allows the sliding control plate 40 to slide along the interior of the L-shaped support drive arm 38. Activating the third electric motor 31 drives the second drive adjustment gear 33 to rotate, which in turn drives the rotating adjustment gear 34 to rotate in both directions. This, in turn, drives the L-shaped support drive arm 38, the sliding control plate 40, and the vibration cracking device 30 as a whole to rotate. Activating the second electric motor 21 drives the first drive adjustment... When gear 22 rotates, the rotating first drive adjustment gear 22 can cause two first drive adjustment gears 22 to rotate synchronously through the set synchronous rotating wheel 23 and synchronous belt 28. The rotating first drive adjustment gear 22 can slide laterally along the sliding limit groove 20 by moving the adjustment tooth plate 27, which indirectly and conveniently adjusts the vibration working area and position of the first cracking control adjustment body 1 and the second cracking control adjustment body 3 as a whole, so that the equipment can efficiently and conveniently complete the one-time cracking treatment of large areas of unsaturated loess during use.

[0029] Example 2 Based on Example 1, such as Figure 8 As shown, a limiting plate 60 is uniformly fixedly installed on the outer end of the fixed frame 65. A movable adjustment plate 58 is slidably engaged inside the limiting plate 60. A second fixing bolt 59 is uniformly threaded and rotated into the limiting plate 60 and the movable adjustment plate 58. Threaded holes that match the second fixing bolt 59 are uniformly opened on the movable adjustment plate 58. An auxiliary fixing frame 55 is fixedly connected to the end of the movable adjustment plate 58 away from the limiting plate 60. An auxiliary conical cracked plug 57 is uniformly fixedly installed at the bottom end of the auxiliary fixing frame 55. An auxiliary arc-shaped plug 56 is uniformly fixedly installed at the bottom end of the auxiliary fixing frame 55. The auxiliary arc-shaped plug 56 and the auxiliary conical cracked plug 57 are evenly distributed at the bottom end of the auxiliary fixing frame 55.

[0030] In implementing this embodiment, auxiliary fixing frames 55 are evenly arranged around the fixed frame 65, and auxiliary arc-shaped inserts 56 and auxiliary conical cracking plugs 57 are evenly arranged at the bottom of the auxiliary fixing frames 55. When the first arc-shaped insert 66 and the conical cracking plug 67 at the bottom of the fixed frame 65 vibrate at high frequency to crack the unsaturated loess, they can simultaneously drive the auxiliary arc-shaped inserts 56 and the auxiliary conical cracking plugs 57 arranged around the frame to insert into the interior of the unsaturated loess, which greatly improves the efficiency of vibration cracking of unsaturated loess. Furthermore, during the construction process, the adjustment plate can be moved by rotating it. Inserting 58 into the threaded holes at different positions on the movable adjustment plate 58 allows for adjustment and control of the positions of the auxiliary arc-shaped insert plate 56 and the auxiliary conical cracking plug 57. This ensures that the unsaturated loess cracked by the vibration of the evenly distributed auxiliary arc-shaped insert plate 56 and the auxiliary conical cracking plug 57 is smoothly connected with the unsaturated loess cracked by the vibration of the first arc-shaped insert plate 66 and the conical cracking plug 67. This ensures that the unsaturated loess cracks cracked by vibration are fully connected together. The fixed frame 65 and the auxiliary fixed frame 55 are equipped with counterweights to ensure sufficient cracking treatment during vibration.

[0031] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A non-blasting high-frequency vibration excavation and cracking device for railway loess tunnels, comprising a first cracking control and adjustment main body (1), a movable support main body (2), a second cracking control and adjustment main body (3), a limiting plug-in plate (4), a first fixing bolt (5), a movable support wheel (6), and a support leg (7), characterized in that: The limiting plug plate (4) is uniformly fixedly installed at the bottom end of the movable support body (2). The support leg (7) is slidably engaged with the bottom end of the limiting plug plate (4). The first fixing bolt (5) is fixedly installed on the limiting plug plate (4) and the support leg (7). The movable support wheel (6) is rotatably connected to the bottom end of the support leg (7). The first cracking control adjustment body (1) and the second cracking control adjustment body (3) are distributed on the side end of the movable support body (2). The first cracking control adjustment body (1) and the second cracking control adjustment body (3) have the same structure. The movable support body (2) includes a conical fixing claw (8) and a sliding support. The device comprises an arm (9), a stabilizing support arm (10), a first electric push rod (11), a first electric motor (12), and an adjustment control device (14). The stabilizing support arm (10) is symmetrically engaged with the two ends of the adjustment control device (14). The first electric motor (12) is fixedly installed on the two ends of the adjustment control device (14). The first electric push rod (11) is fixedly installed on both sides of the stabilizing support arm (10). The sliding support arm (9) is slidably engaged with the inside of the stabilizing support arm (10). The front end of the first electric push rod (11) is fixedly connected to the sliding support arm (9). The tapered fixing claw (8) is fixedly installed at the bottom end of the sliding support arm (9).

2. The non-explosive high-frequency vibration excavation and pyrolysis device for railway loess tunnels according to claim 1, characterized in that: The adjustment and control device (14) includes a second electric push rod (15), a sliding plug-in plate (16), a first support fixing plate (17), a fixed locking hole (18), a fixed plug-in pin (19), a sliding limit slot (20), a second electric motor (21), a first drive adjustment gear (22), a synchronous rotating wheel (23), a mounting fixing sleeve (24), a sliding adjustment plate (25), a second support fixing plate (26), a movable adjustment toothed plate (27), and a synchronous belt (28). The second support fixing plate (26) is located on one side of the first support fixing plate (17). The plug-in plate (16) is uniformly fixedly installed on the inner side of the first support fixing plate (17), and the sliding plug-in plate (16) is slidably snapped into the inside of the second support fixing plate (26). The second electric push rod (15) is symmetrically fixedly installed on the second support fixing plate (26), and the front end of the second electric push rod (15) is fixedly connected to the upper end of the first support fixing plate (17). The fixing locking holes (18) are uniformly opened at both ends of the first support fixing plate (17) and the second support fixing plate (26). The fixing plug-in pin (19) is inserted into the fixing plate. Inside the fixed locking hole (18), the sliding limiting groove (20) is opened on the outside of the first support fixing plate (17) and the second support fixing plate (26). The sliding adjusting plate (25) is slidably engaged inside the sliding limiting groove (20). The moving adjusting tooth plate (27) is fixedly installed on the sliding adjusting plate (25). The mounting fixing sleeve (24) is fixedly installed on the outside of both ends of the first support fixing plate (17) and the second support fixing plate (26). The first driving adjusting gear (22) is rotatably disposed on the mounting fixing sleeve (24). Inside, the synchronous rotating wheel (23) is fixedly connected to the side end of the first drive adjusting gear (22), the synchronous rotating wheel (23) is rotatably engaged on the mounting fixing sleeve (24), the second motor (21) is fixedly installed on the mounting fixing sleeve (24), and the driving end of the second motor (21) is fixedly connected to the middle of the first drive adjusting gear (22) and the synchronous rotating wheel (23), the first drive adjusting gear (22) is meshed with the movable adjusting tooth plate (27), and the synchronous belt (28) is rotatably arranged between the synchronous rotating wheels (23).

3. The non-explosive high-frequency vibration excavation and pyrolysis device for railway loess tunnels according to claim 2, characterized in that: The second crack control adjustment body (3) includes a buffer adjustment device (29) and a vibration cracking device (30). The buffer adjustment device (29) is installed on the vibration cracking device (30). The buffer adjustment device (29) includes a third motor (31), a fixed connecting tray (32), a second drive adjustment gear (33), a rotating adjustment gear disc (34), a third electric push rod (35), a limiting insertion cylinder (36), a side extrusion clamping plate (37), an L-shaped support drive arm (38), a fourth electric push rod (39), a sliding control cross plate (40), a limiting clamping cylinder (45), a sixth electric push rod (46), a limiting buffer clamping post (47), a second connecting plate (48), a second buffer spring (49), and a third The connecting plate (50), the extrusion plate (51), the extrusion buffer spring (52), and the extrusion fixing plate (53) are connected together. The second drive adjusting gear (33) and the rotating adjusting gear (34) are rotatably engaged on the fixed connecting tray (32), and the second drive adjusting gear (33) meshes with the rotating adjusting gear (34). The third motor (31) is fixedly installed at the bottom end of the fixed connecting tray (32), and the drive end of the third motor (31) is fixedly connected to the middle of the bottom end of the second drive adjusting gear (33). The limiting plug-in cylinder (36) is fixedly connected to the end of the rotating adjusting gear (34) without teeth. The third electric push rod (35) is evenly fixedly installed on the fixed connecting tray (32). The limiting plug-in cylinder (36) is located on the side end. The side extrusion clamping plate (37) is disposed inside the limiting plug-in cylinder (36), and the driving end of the third electric push rod (35) is fixedly connected to the side extrusion clamping plate (37). The end of the L-shaped support drive arm (38) is inserted into the inside of the limiting plug-in cylinder (36). The sliding control plate (40) is slidably engaged inside the L-shaped support drive arm (38). The fourth electric push rod (39) is symmetrically and fixedly installed on the side end of the L-shaped support drive arm (38), and the front end of the fourth electric push rod (39) is fixedly connected to the sliding control plate (40). The limiting clamping cylinder (45) is fixedly connected to the front end of the sliding control plate (40). The limiting buffer pin (47) is slidably engaged inside the limiting cylinder (45). The second connecting plate (48) is fixedly connected to the bottom end of the limiting buffer pin (47). The second buffer spring (49) is fixedly connected to the bottom end of the second connecting plate (48). The third connecting plate (50) is fixedly connected to the bottom end of the second buffer spring (49). The sixth electric push rod (46) is uniformly fixedly installed on the limiting cylinder (45). The extrusion plate (51) is uniformly arranged inside the limiting cylinder (45), and the front end of the sixth electric push rod (46) is fixedly connected to the extrusion plate (51). The extrusion fixing plate (53) is uniformly arranged inside the limiting cylinder (45).Furthermore, the compression fixing plate (53) is distributed on the outside of the limiting buffer post (47), and the compression buffer spring (52) is fixedly installed between the compression plate (51) and the compression fixing plate (53).

4. The non-explosive high-frequency vibration excavation and pyrolysis device for railway loess tunnels according to claim 3, characterized in that: The upper end of the limiting clamp (45) is fixedly installed with a fixed mounting bracket (42). The upper middle part of the fixed mounting bracket (42) is fixedly installed with a fifth electric push rod (41) by bolts. The bottom end of the fifth electric push rod (41) is fixedly connected with a first connecting plate (44) and a first buffer spring (43). The bottom end of the first buffer spring (43) is fixedly connected to the upper end of the limiting buffer pin (47) through the first connecting plate (44).

5. The non-explosive high-frequency vibration excavation and pyrolysis device for railway loess tunnels according to claim 4, characterized in that: The vibration cracking device (30) includes a high-frequency electromagnetic vibrator (54), an auxiliary fixing frame (55), an installation and adjustment bracket (61), a third fixing bolt (62), a seventh electric push rod (63), a limiting vibration column (64), a fixing frame (65), a conical cracking plug (67), and a fixing adjustment threaded hole (69). The fixing frame (65) is fixedly connected to the bottom end of the limiting vibration column (64), causing the fixing adjustment threaded hole (69) to be evenly opened on the limiting vibration column (64). The seventh electric push rod (63) is evenly fixedly installed on the limiting vibration column (64). The upper end of the limiting vibration column (64) is slidably engaged with the mounting adjustment bracket (61) on the limiting vibration column (64). The third fixing bolt (62) provided on the mounting adjustment bracket (61) is inserted into the interior of the fixing adjustment threaded hole (69). The auxiliary fixing frame (55) is evenly fixedly installed on the mounting adjustment bracket (61) by bolts. The bottom end of the seventh electric push rod (63) is fixedly connected to the mounting adjustment bracket (61). The conical crack plug (67) is evenly fixedly installed at the bottom end of the fixing frame (65).

6. The non-explosive high-frequency vibration excavation and pyrolysis device for railway loess tunnels according to claim 5, characterized in that: The bottom end of the fixed frame (65) is uniformly fixed with a second arc-shaped insert plate (68), and the second arc-shaped insert plate (68) and the conical cracked plug (67) are evenly distributed. The bottom edge of the fixed frame (65) is uniformly fixed with a first arc-shaped insert plate (66), and the conical cracked plug (67) and the second arc-shaped insert plate (68) are located inside the first arc-shaped insert plate (66).

7. The non-explosive high-frequency vibration excavation and pyrolysis device for railway loess tunnels according to claim 6, characterized in that: The upper end of the limiting plug plate (4) is fixedly connected to the bottom end of the first support fixing plate (17) and the second support fixing plate (26), respectively. The fixed connecting tray (32) in the first crack control adjustment body (1) and the second crack control adjustment body (3) is fixedly connected to the middle of the outer end of the two sliding adjustment plates (25).

8. The non-explosive high-frequency vibration excavation and pyrolysis device for railway loess tunnels according to claim 7, characterized in that: The drive end of the first motor (12) is fixedly connected to the upper end of the stable support arm (10), the fixed insertion pin (19) is inserted into the upper end of the stable support arm (10), and the bottom end of the third connecting plate (50) is fixedly connected to the upper end of the limiting vibration column (64).

9. The non-explosive high-frequency vibration excavation and pyrolysis device for railway loess tunnels according to claim 8, characterized in that: A limiting plate (60) is uniformly fixedly installed on the outer end of the fixed frame (65). A movable adjustment plate (58) is slidably engaged inside the limiting plate (60). A second fixing bolt (59) is uniformly threaded and rotated into the limiting plate (60) and the movable adjustment plate (58). The movable adjustment plate (58) is uniformly provided with threaded insertion holes that are compatible with the second fixing bolt (59). An auxiliary fixing frame (55) is fixedly connected to one end of the movable adjustment plate (58) away from the limiting plate (60). An auxiliary conical cracking plug (57) is uniformly fixedly installed at the bottom end of the auxiliary fixing frame (55).

10. The non-explosive high-frequency vibration excavation and pyrolysis device for railway loess tunnels according to claim 9, characterized in that: The bottom end of the auxiliary fixing frame (55) is uniformly fixed with auxiliary arc-shaped inserts (56), and the auxiliary arc-shaped inserts (56) and auxiliary conical crack plugs (57) are evenly distributed at the bottom end of the auxiliary fixing frame (55).

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