A large-caliber rescue drill

Abstract

The present invention provides a large-caliber rescue drilling rig, comprising a frame assembly, a power system and a working device mounted on the frame assembly; the working device comprises a casing drive device, a screw shaft drive device, a propulsion device, and an auxiliary device mounted on the frame assembly; the auxiliary device comprises a casing and a screw shaft, one end of the casing being inserted into the collapsed body and the other end being connected to the casing drive device; the screw shaft being disposed within the casing and coaxially arranged with the casing, the end of the screw shaft away from the collapsed body being connected to the screw shaft drive device; the propulsion device comprises a casing propulsion cylinder and a screw shaft propulsion cylinder; the casing propulsion cylinder being connected to the casing drive device; the screw shaft propulsion cylinder being connected to the screw shaft drive device; and the power system is used to provide power to the working device. The present invention can achieve high efficiency, reliability, and safety in rescue operations.

Description

Technical Field

[0001] The present invention relates to the technical field of rescue equipment, and in particular to a large-caliber rescue drilling rig. Background Art

[0002] After a building collapse, the golden window for rescuing trapped personnel is 72 hours. However, during this golden window, manual rescue or traditional mechanical excavation are often used, which are inefficient and can cause secondary injuries to the rescued personnel and endanger the safety of the rescuers. Therefore, a highly efficient and reliable large-diameter rescue drill is needed to improve rescue efficiency and ensure the safety of rescuers. Summary of the Invention

[0003] The present invention aims to provide a large-caliber rescue drill, and the specific technical solutions are as follows:

[0004] A large-caliber rescue drill comprises a frame assembly, a power system and a working device arranged on the frame assembly;

[0005] The working device includes a casing drive device, a screw shaft drive device, a propulsion device and an auxiliary device installed on the frame assembly;

[0006] The auxiliary device includes a casing and a spiral shaft, one end of the casing is inserted into the collapsed body, and the other end is connected to the casing drive device; the spiral shaft is arranged in the casing and coaxially with the casing, and the end of the spiral shaft away from the collapsed body is connected to the spiral shaft drive device; the propulsion device includes a casing propulsion cylinder and a spiral shaft propulsion cylinder; the casing propulsion cylinder is connected to the casing drive device; the spiral shaft propulsion cylinder is connected to the spiral shaft drive device;

[0007] The power system is used to provide power for the working device, and includes a first output end connected to the casing drive device, a second output end connected to the casing propulsion cylinder, a third output end connected to the screw shaft drive device, and a fourth output end connected to the screw shaft propulsion cylinder; the power system includes an engine and a motor.

[0008] Optionally, the working device also includes a guide device arranged on the frame assembly, a guide hole and a guide roller assembly are provided on the guide device, the sleeve is arranged through the guide hole, and the guide roller assembly includes a plurality of guide roller units arranged circumferentially around the periphery of the guide hole, and are tangent to the sleeve and rollingly connected; the circumferential inner diameter surrounded by all the guide roller units is smaller than the diameter of the guide hole.

[0009] Optionally, the working device also includes a clamping device arranged on the frame assembly, the clamping device includes a clamping cylinder and an arc-shaped clamping block adapted to the sleeve; the clamping cylinder is connected to the arc-shaped clamping block; the power system includes a fifth output end for providing power to the clamping cylinder, and the clamping cylinder is connected to the fifth output end.

[0010] Optionally, the large-caliber rescue drill further includes a boom structure provided on the frame assembly, the power system includes a sixth output end for providing power to the boom structure, and the boom structure is connected to the sixth output end.

[0011] Optionally, the large-diameter rescue drilling rig further includes a belt conveyor arranged on the frame assembly, and the belt on the belt conveyor is arranged opposite to the slag discharge port of the casing.

[0012] Optionally, the large-diameter rescue drilling rig further includes a casing support frame, which is arranged between the large-diameter rescue drilling rig and the working surface, and is located below the casing and in contact with the casing.

[0013] Optionally, the frame assembly includes a split main frame, a tail support shoe and a side support shoe; the split main frame is arranged on the frame assembly, and includes a plurality of detachable split frames; the tail support shoe is arranged on the end of the split main frame away from the drilling direction, and includes a first tail support shoe, one end of the first tail support shoe is arranged on the split main frame, and the other end faces the ground and is telescopically arranged in the vertical direction; the number of the side support shoes is multiple, and they are symmetrically arranged on both sides of the split main frame along the drilling direction, and each of the side support shoes is telescopically arranged perpendicular to the drilling direction.

[0014] Optionally, the tail support shoe further includes a second tail support shoe, one end of the second tail support shoe is arranged on the split main frame, and the other end is facing the ground and arranged away from the drilling direction; the angle formed between the second tail support shoe and the first tail support shoe is an acute angle.

[0015] Optionally, the frame assembly further includes a first lateral support leg and a second lateral support leg, which are symmetrically arranged on the split main frame and are both located on one end of the split main frame along the drilling direction; the spacing between the first lateral support leg and the second lateral support leg is adjustable; and the first lateral support leg and the second lateral support leg are both provided with a telescopic structure in the vertical direction.

[0016] Optionally, the large-diameter rescue drilling rig also includes a crawler chassis, which is arranged below the frame assembly and connected to the frame assembly; the power system includes a seventh output end for providing power to the crawler chassis, and the crawler chassis is connected to the seventh output end.

[0017] The application of the technical solution of the present invention has at least the following beneficial effects:

[0018] The large-caliber rescue drill provided by the present invention incorporates a power system and working device mounted on a frame assembly. The frame assembly provides stable support for the working device, while the power system provides power to the working device. The working device utilizes the functions of rotating and propelling the casing and screw shaft to efficiently construct a rescue escape passage, achieving high efficiency, reliability, and safety in rescue operations. Furthermore, the modular design of the components employed in the present invention effectively addresses the issue of oversized transportation, reduces auxiliary time, and improves the efficiency of the rescue drill's transportation process.

[0019] In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings, which constitute part of this application, are intended to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are intended to explain the present invention and do not constitute an undue limitation of the present invention. In the accompanying drawings:

[0021] Figure 1 This is a schematic structural diagram of a large-caliber rescue drilling rig in Example 1 of the present invention;

[0022] Figure 2 yes Figure 1 Schematic diagram of the structure of the mid-frame assembly;

[0023] Figure 3 yes Figure 1 Schematic diagram of the structure of the working device;

[0024] Among them, 1. Frame assembly, 1.1. Split main frame, 1.2. Side support shoe, 1.3. First rear support shoe, 1.4 Second rear support shoe, 1.5. First transverse support leg, 1.6. Second transverse support leg, 2. Power system, 3. Working device, 3.1. Casing drive device, 3.2. Screw shaft drive device, 3.3. Casing, 3.4. Screw shaft, 3.5. Casing propulsion cylinder, 3.6. Screw shaft propulsion cylinder, 3.7. Guide device, 3.8. Clamping device, 4. Boom structure, 5. Belt conveyor, 6. Casing support frame, 7. Track chassis. DETAILED DESCRIPTION

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention are within the scope of protection of the present invention.

[0026] Example 1:

[0027] See also Figure 1-3 A large-caliber rescue drill comprises a frame assembly 1 and a power system 2 and a working device 3 arranged on the frame assembly 1;

[0028] The working device 3 includes a sleeve driving device 3.1, a screw shaft driving device 3.2, a propulsion device and an auxiliary device installed on the frame assembly 1;

[0029] The auxiliary device includes a sleeve 3.3 and a screw shaft 3.4. One end of the sleeve 3.3 is inserted into the collapsed body, and the other end is connected to the sleeve drive device 3.1. The screw shaft 3.4 is arranged in the sleeve 3.3 and is coaxial with the sleeve 3.3. The end of the screw shaft 3.4 away from the collapsed body is connected to the screw shaft drive device 3.2. The propulsion device includes a sleeve propulsion cylinder 3.5 and a screw shaft propulsion cylinder 3.6. The sleeve propulsion cylinder 3.5 is connected to the sleeve drive device 3.1; the screw shaft propulsion cylinder 3.6 is connected to the screw shaft drive device 3.2.

[0030] Specifically, the casing drive device 3.1 drives the casing 3.3 to rotate, thereby achieving the effect of circumferentially cutting the collapsed body; the screw shaft drive device 3.2 drives the screw shaft 3.4 to rotate, thereby achieving the effect of slag removal from the collapsed body in the casing 3.3;

[0031] The inner diameter of the casing 3.3 is 0.6-1.0m, preferably 0.8m, to ensure that the large-diameter rescue drilling rig working device 3 opens a large-diameter rescue escape channel to improve rescue efficiency;

[0032] The casing propulsion oil cylinder 3.5 drives the casing driving device 3.1 to advance and retreat, thereby achieving the effect of drilling and retreating the casing 3.3; the screw shaft propulsion oil cylinder 3.6 drives the screw shaft driving device 3.2 to advance and retreat, thereby achieving the effect of drilling and retreating the screw shaft 3.4;

[0033] The power system 2 is used to provide power for the working device 3, and includes a first output end connected to the casing drive device 3.1, a second output end connected to the casing propulsion cylinder 3.5, a third output end connected to the screw shaft drive device 3.2, and a fourth output end connected to the screw shaft propulsion cylinder 3.6.

[0034] The working device 3 also includes a guide device 3.7 mounted on the vehicle frame assembly 1. The guide device 3.7 is provided with a guide hole and a guide roller assembly. The sleeve 3.3 is disposed through the guide hole. The guide roller assembly comprises six guide rollers arranged circumferentially around the guide hole, tangentially connected to and rollingly connected to the sleeve 3.3. The inner diameter of the annulus formed by all the guide rollers is smaller than the diameter of the guide hole. The guide device 3.7 uses the guide roller assembly to adjust the gap between the inner wall of the guide hole and the sleeve 3.3, thereby guiding the sleeve 3.3 during the rescue operation and preventing deviation.

[0035] The working device 3 also includes a clamping device 3.8 provided on the frame assembly 1, and the clamping device 3.8 includes a clamping cylinder and an arc-shaped clamping block adapted to the sleeve 3.3; the clamping cylinder is connected to the arc-shaped clamping block; the power system 2 includes a fifth output end for providing power to the clamping cylinder, and the clamping cylinder is connected to the fifth output end. The clamping cylinder in the clamping device 3.8 is used to drive the arc-shaped clamping block to clamp and release the sleeve 3.3, thereby assisting in the rapid disassembly and assembly of auxiliary devices during the rescue process and improving the rescue efficiency; wherein, according to the needs of the specific rescue work, if the length of the sleeve 3.3 needs to be extended, a new sleeve 3.3 is installed at the end of the existing sleeve 3.3 through the clamping device 3.8 (it should be noted that the corresponding screw shaft 3.4 needs to be installed in the new sleeve 3.3 in advance to ensure the smooth completion of the slag removal operation).

[0036] The large-diameter rescue drill also includes a boom structure 4 mounted on the frame assembly 1. The power system 2 includes a sixth output terminal for providing power to the boom structure 4, and the boom structure 4 is connected to the sixth output terminal. The boom is used to lift components such as the working device 3, the side grippers 1.2, and the tail gripper to facilitate their installation and removal.

[0037] The large-diameter rescue drilling rig also includes a belt conveyor 5 mounted on the vehicle frame assembly 1. The belt of the belt conveyor 5 is positioned directly opposite the slag discharge port of the casing 3.3. The belt conveyor 5 rapidly transports slag and soil, and simultaneously transports collapsed loose material to the rear of the rescue drilling rig, thereby improving the efficiency of the rescue drilling.

[0038] The large-diameter rescue drill also includes a casing support frame 6, which is arranged between the large-diameter rescue drill and the working surface, and is located below the casing 3.3 and in contact with the casing 3.3, for providing support force for the casing 3.3 and improving the sinking and deflection problems of the casing 3.3.

[0039] The frame assembly 1 includes a split main frame 1.1, a tail support shoe and a side support shoe 1.2; the split main frame 1.1 is arranged on the frame assembly 1, and includes a plurality of detachable split frames to improve transportation convenience; the tail support shoe is arranged on the end of the split main frame 1.1 away from the drilling direction, and includes a first tail support shoe 1.3, one end of the first tail support shoe 1.3 is arranged on the split main frame 1.1, and the other end is provided with a support plate facing the ground, and is retractable in the vertical direction to facilitate support The rescue drilling rig can resist vertical loads during construction and improve the stability of the rescue drilling rig. The side support shoes 1.2 are provided in multiple numbers and symmetrically arranged on both sides of the split main frame 1.1 along the drilling direction. Each side support shoe 1.2 is retractable in a direction perpendicular to the drilling direction. Specifically, the side support shoes 1.2 include multiple support arms, with adjacent support arms coaxially retractable. This allows the rescue drilling rig to better adapt to different tunnel cross-section sizes and complex terrain, better fit the tunnel rock wall, and improve the stability of the rescue drilling rig. To better fit the tunnel rock wall, support plates can be provided at the ends of the side support shoes 1.2 where they meet the tunnel rock wall. To further improve the stability of the rescue drilling rig, the side support shoes 1.2 can also be provided with support legs.

[0040] The rear support shoe also includes a second rear support shoe 1.4, one end of which is arranged on the split main frame 1.1, and the other end is provided with a support plate facing the ground and arranged away from the drilling direction, so as to resist the longitudinal load during the construction of the rescue drilling rig and improve the stability of the rescue drilling rig; the angle formed between the second rear support shoe 1.4 and the first rear support shoe 1.3 is an acute angle, so as to jointly enhance the longitudinal and vertical load support of the frame assembly 1 by the rear support shoe.

[0041] The frame assembly 1 also includes a first lateral support leg 1.5 and a second lateral support leg 1.6, which are symmetrically arranged on the split main frame 1.1 and are both located on one end of the split main frame 1.1 along the drilling direction; the spacing between the first lateral support leg 1.5 and the second lateral support leg 1.6 is adjustable, which increases the span of the legs during construction and improves the stability of the rescue drilling rig; the first lateral support leg 1.5 and the second lateral support leg 1.6 are both provided with a telescopic structure in the vertical direction to facilitate fine-tuning of the construction angle.

[0042] The power system 2 includes a dual-operation power system 2 of an engine and a mobile motor. Upon arrival at the rescue site, the large-caliber rescue drill can initially utilize the engine for rescue operations. Once on-site power conditions are ready, it can quickly switch to the motor for operation. This dual-operation power system 2 ensures strong driving and operating power for the rescue drill, enhancing its reliability.

[0043] The large-diameter rescue drill also includes a crawler chassis 7, which is disposed below and connected to the vehicle frame assembly 1. The power system 2 includes a seventh output terminal for providing power to the crawler chassis 7, to which the crawler chassis 7 is connected. The crawler chassis 7 provides low average ground contact pressure, strong driving force, and flexible steering, improving the ability to navigate complex road conditions during rescue operations.

[0044] In summary, the large-caliber rescue drilling rig provided by the present invention can achieve high efficiency, reliability and safety in rescue operations. The specific operation process is as follows:

[0045] First, the crawler chassis 7 is driven by the power system 2 to drive the rescue drilling rig to the working site;

[0046] Next, open the first lateral outrigger 1.5, the second lateral outrigger 1.6, the tail support shoe, and the side support shoe 1.2 to improve the stability of the rescue drill. At the same time, adjust the vertical extension height of the first lateral outrigger 1.5 and the second lateral outrigger 1.6 according to the required construction angle to fine-tune the rescue drill to meet the required construction angle.

[0047] Finally, the casing drive device 3.1, the screw shaft drive device 3.2, the propulsion device, the guide device 3.7, and the clamping device 3.8 independently realize the rotation, propulsion, guidance, and clamping functions of the auxiliary device, efficiently completing the construction of the rescue escape channel and facilitating rescue operations;

[0048] At the same time, the belt conveyor 5 is used to quickly transport the debris and simultaneously transport the collapsed loose body to the rear of the rescue drilling rig, thereby improving the efficiency of the rescue drilling.

[0049] The foregoing description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that various modifications and variations of the present invention are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention are intended to be within the scope of protection of the present invention.

Claims

1. A large-caliber rescue drill, characterized in that: It comprises a vehicle frame assembly (1), a power system (2) and a working device (3) arranged on the vehicle frame assembly (1); The working device (3) comprises a sleeve driving device (3.1), a screw shaft driving device (3.2), a propulsion device and an auxiliary device installed on the frame assembly (1); The auxiliary device comprises a casing (3.3) and a spiral shaft (3.4); one end of the casing (3.3) is inserted into the collapsed body, and the other end is connected to the casing drive device (3.1); the spiral shaft (3.4) is arranged in the casing (3.3) and coaxially with the casing (3.3); the end of the spiral shaft (3.4) away from the collapsed body is connected to the spiral shaft drive device (3.2); the propulsion device comprises a casing propulsion oil cylinder (3.5) and a spiral shaft propulsion oil cylinder (3.6); the casing propulsion oil cylinder (3.5) is connected to the casing drive device (3.1); the spiral shaft propulsion oil cylinder (3.6) is connected to the spiral shaft drive device (3.2); The power system (2) is used to provide power for the working device (3), and comprises a first output end connected to the casing drive device (3.1), a second output end connected to the casing propulsion cylinder (3.5), a third output end connected to the screw shaft drive device (3.2), and a fourth output end connected to the screw shaft propulsion cylinder (3.6); the power system (2) comprises an engine and a motor; The working device (3) further comprises a guide device (3.7) arranged on the vehicle frame assembly (1), wherein a guide hole and a guide roller assembly are provided on the guide device (3.7), and the sleeve (3.3) is arranged to pass through the guide hole.

2. The large-caliber rescue drill according to claim 1, characterized in that: The guide roller assembly comprises a plurality of guide roller single pieces arranged circumferentially on the periphery of the guide hole, and tangentially connected to the sleeve (3.3) and in rolling connection; the circumferential inner diameter formed by all the guide roller single pieces is smaller than the diameter of the guide hole.

3. The large-caliber rescue drill according to claim 1, characterized in that: The working device (3) further comprises a clamping device (3.8) arranged on the vehicle frame assembly (1), the clamping device (3.8) comprising a clamping oil cylinder and an arc-shaped clamping block adapted to the sleeve (3.3); the clamping oil cylinder is connected to the arc-shaped clamping block; the power system (2) comprises a fifth output end for providing power to the clamping oil cylinder, and the clamping oil cylinder is connected to the fifth output end.

4. The large-caliber rescue drill according to claim 1, characterized in that: It also includes a boom structure (4) arranged on the vehicle frame assembly (1), the power system (2) includes a sixth output end for providing power to the boom structure (4), and the boom structure (4) is connected to the sixth output end.

5. The large-caliber rescue drill according to claim 1, characterized in that: It also includes a belt conveyor (5) arranged on the frame assembly (1), wherein the belt on the belt conveyor (5) is arranged facing the slag discharge port of the sleeve (3.3).

6. The large-diameter rescue drill according to claim 1, characterized in that: It also includes a casing support frame (6), which is arranged between the large-caliber rescue drill and the working surface, and is located below the casing (3.3) and in contact with the casing (3.3).

7. The large-caliber rescue drill according to any one of claims 1 to 6, characterized in that: The frame assembly (1) comprises a split main frame (1.1), a tail support shoe and a side support shoe (1.2); the split main frame (1.1) is arranged on the frame assembly (1), and comprises a plurality of detachably arranged split frames; the tail support shoe is arranged on one end of the split main frame (1.1) away from the drilling direction, and comprises a first tail support shoe (1.3), one end of the first tail support shoe (1.3) is arranged on the split main frame (1.1), and the other end faces the ground and is telescopically arranged in a vertical direction; the number of the side support shoes (1.2) is plural, and they are symmetrically arranged on both sides of the split main frame (1.1) along the drilling direction, and each of the side support shoes (1.2) is telescopically arranged perpendicular to the drilling direction.

8. The large-caliber rescue drill according to claim 7, characterized in that: The tail support shoe further comprises a second tail support shoe (1.4), one end of the second tail support shoe (1.4) being arranged on the split main frame (1.1), and the other end being arranged towards the ground and away from the drilling direction; the angle formed between the second tail support shoe (1.4) and the first tail support shoe (1.3) is an acute angle.

9. The large-diameter rescue drill according to claim 7, characterized in that: The frame assembly (1) further comprises a first transverse support leg (1.5) and a second transverse support leg (1.6), wherein the first transverse support leg (1.5) and the second transverse support leg (1.6) are symmetrically arranged on the split main frame (1.1) and are both located at one end of the split main frame (1.1) along the drilling direction; the spacing between the first transverse support leg (1.5) and the second transverse support leg (1.6) is adjustable; and the first transverse support leg (1.5) and the second transverse support leg (1.6) are both provided with a telescopic structure in the vertical direction.

10. The large-diameter rescue drill according to claim 7, characterized in that: The vehicle further comprises a crawler chassis (7), which is arranged below the vehicle frame assembly (1) and connected to the vehicle frame assembly (1); the power system (2) comprises a seventh output end for providing power to the crawler chassis (7), and the crawler chassis (7) is connected to the seventh output end.

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