Drilling crushing machine and method

Abstract

The invention relates to the field of tunnel construction, in particular to a drilling crushing machine and method. The device comprises a positioning shaft, a drilling crushing mechanism and an engineering chassis, telescopic oil cylinders are arranged at the front ends of the positioning shafts; the drilling and crushing mechanism comprises a supporting base rotationally arranged on the positioning shaft, a direction adjusting assembly used for adjusting the direction of the supporting base, a drilling assembly, a crushing assembly and a position adjusting assembly used for adjusting the distribution positions of the drilling assembly and the crushing assembly on the supporting base, wherein the drilling assembly and the crushing assembly are distributed side by side. The engineering chassis is provided with a supporting adjusting mechanism used for adjusting the position of the positioning shaft. According to the method, the periphery of the free face of the tunnel can be punched firstly, then extrusion breaking is conducted, precise tunnel face extrusion breaking excavation is achieved, the construction efficiency is high, the cost is low, and safety is good.

Description

Technical Field

[0001] The invention relates to the field of tunnel construction, and in particular to a drilling and squeezing machine and a method. Background Art

[0002] In terms of tunnel excavation of rocky rock formations, the drilling and blasting method is widely used for excavation construction. The traditional construction method is to use manual pneumatic drills to drill holes and charge blasting, which is characterized by low construction cost but low efficiency. In order to ensure the excavation speed, multiple people are required to hold pneumatic drills to drill holes, and the safety of personnel at the face cannot be guaranteed. Explosive blasting cannot be used in tunnels filled with flammable and explosive gases such as gas tunnels or gas tunnels. Drilling and blasting cannot be fully used for construction in situations such as those adjacent to important buildings and cultural relics, close to residential areas, close to underground pipelines and facilities, weak and poor geological areas, high stress areas, high-precision projects, and underwater projects. For the above working conditions, the static crushing method is usually used for excavation, but for large-scale tunnel projects, the static crushing method has low construction efficiency. Summary of the invention

[0003] The purpose of the present invention is to address the problems existing in the background technology and propose a drilling and extrusion machine and method, which can first drill holes around the free face of the tunnel and then perform extrusion to achieve precise extrusion and excavation of the tunnel face with high construction efficiency, low cost and good safety.

[0004] On the one hand, the present invention proposes a drilling and squeezing machine, including a positioning shaft, a drilling and squeezing mechanism and an engineering chassis; a telescopic cylinder is arranged at the front end of the positioning shaft; the drilling and squeezing mechanism includes a support base rotatably arranged on the positioning shaft, an orientation adjustment component for adjusting the orientation of the support base, a drilling component and a squeezing component distributed side by side, and a position adjustment component for adjusting the distribution position of the drilling component and the squeezing component on the support base; a support adjustment mechanism for adjusting the position of the positioning shaft is arranged on the engineering chassis; the support adjustment mechanism and the positioning shaft correspond one to one and are provided in multiple groups.

[0005] Preferably, a group of drilling and squeezing mechanisms are arranged on both sides of the positioning shaft.

[0006] Preferably, the drilling assembly includes a first base, a slide rail slidably arranged on the first base, a first pushing cylinder arranged on the first base and with a telescopic end connected to the slide rail, a rock drill located on the slide rail, and an automatic retractable rope reel arranged on the slide rail and used to adjust the front and rear position of the rock drill.

[0007] Preferably, the squeezing assembly includes a second base, a squeezing gun located above the second base, a connecting plate arranged at the bottom of the squeezing gun, and a second pushing cylinder arranged on the second base and with a telescopic end connected to the connecting plate. The squeezing gun is distributed parallel to the rock drilling gun.

[0008] Preferably, a wheel frame is provided at the end of the squeezing gun, a roller is rotatably provided on the wheel frame, and the roller is in rolling contact with the top surface of the second base.

[0009] Preferably, the position adjustment assembly includes a first slider arranged at the bottom of the first base, a second slider arranged at the bottom of the second base, a linear guide rail arranged on the support base and slidably connected to the first slider and the second slider, a motor arranged on the support base, and a screw connected to the output end of the motor and threadedly connected to the first slider and the second slider respectively.

[0010] Preferably, the support and adjustment mechanism includes a rotating disk rotatably arranged on the engineering chassis, a hydraulic motor arranged on the engineering chassis and driving the rotating disk to rotate, a first connecting frame and a rotating arm rotatably arranged on the rotating disk, a first connecting rod rotatably connected to the first connecting frame and the rotating arm at both ends, a first oil cylinder rotatably connected to the first connecting frame and the rotating arm at both ends and adjusting the pitch angle of the rotating arm by telescoping, a second connecting rod and a mounting frame rotatably arranged at the top of the rotating arm, a second connecting frame rotatably connected to the second connecting rod and the mounting frame at both ends, a telescopic arm arranged on the mounting frame, a second oil cylinder rotatably connected to the rotating arm and the second connecting frame at both ends and adjusting the pitch angle of the telescopic arm by telescoping, an adjusting arm rotatably arranged at the outer end of the telescopic arm, an adjusting oil cylinder rotatably connected to the telescopic arm and the adjusting arm at both ends and adjusting the pitch angle of the adjusting arm by telescoping, a first rotating member rotatably arranged at the outer end of the adjusting arm, and a second rotating member rotatably arranged at the top of the first rotating member, and a positioning shaft is arranged on the second rotating member.

[0011] Preferably, the telescopic arm comprises a fixed cylinder, a telescopic cylinder and a cylinder, the telescopic cylinder is slidably arranged on the fixed cylinder, the telescopic cylinder is rotationally connected to the adjusting cylinder, the fixed cylinder is connected to the mounting frame, and the cylinder is built into the fixed cylinder and drives the telescopic cylinder to move.

[0012] Preferably, the orientation adjustment assembly includes a power device which is arranged on the second rotating member and drives the supporting base to rotate around the positioning axis.

[0013] On the other hand, the present invention provides a drilling and squeezing method, which is implemented by the drilling and squeezing machine, and the method comprises the following steps:

[0014] S1. Drive the engineering chassis to the drilling operation area of ​​the tunnel face;

[0015] S2, respectively controlling the operation of multiple groups of support adjustment mechanisms to adjust the positions of multiple groups of positioning shafts. During the specific adjustment, the hydraulic motor drives the rotating disk to rotate, the first oil cylinder lifts the rotating arm, the second oil cylinder lifts the telescopic arm, the oil cylinder adjusts the extension distance of the telescopic arm, the oil cylinder adjusts the position of the adjustment arm, and the first rotating member and the second rotating member adjust the position of the positioning shaft to the positioning position;

[0016] S3, adjusting the rock drill gun to align with the target drilling position of the tunnel face through the azimuth adjustment component and the position adjustment component;

[0017] S4, the telescopic cylinder extends out and abuts against the positioning plate on the tunnel face for positioning;

[0018] S5, driving the rock drill gun forward through the first push cylinder, starting the rock drill gun, and drilling a hole on the tunnel face;

[0019] S6. After the drilling is completed, the position of the squeezing gun is adjusted by the position adjustment component, and the squeezing gun is adjusted to the same position as the rock drilling gun;

[0020] S7. The second pushing cylinder drives the squeezing gun forward, and the squeezing gun is used to squeeze the tunnel face at the drill hole.

[0021] Compared with the prior art, the present invention has the following beneficial technical effects:

[0022] The present invention can firstly drill holes around the free face of the tunnel by means of a rock drill, and then perform extrusion at the same position by means of an extrusion gun. The positioning is simple and accurate, the extrusion effect is good, and precise extrusion and excavation of the tunnel face can be achieved. The construction efficiency is high, the cost is low, and the safety is good. Different numbers of support adjustment mechanisms and positioning shafts can also be installed on the engineering chassis according to construction needs to improve the construction efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of an embodiment of the present invention;

[0024] Figure 2 It is a schematic structural diagram of an adjustable rotating arm, a telescopic arm, an adjusting arm, a first rotating member and a second rotating member according to an embodiment of the present invention;

[0025] Figure 3 It is a schematic diagram of the distribution of the positioning axis and the supporting base;

[0026] Figure 4 Schematic diagram of the distribution of rock drills and extrusion guns.

[0027] 1. Engineering chassis; 2. Rotating plate; 3. First connecting frame; 4. First connecting rod; 5. First cylinder; 6. Rotating arm; 7. Second connecting rod; 8. Second connecting frame; 9. Second cylinder; 10. Telescopic arm; 101. Mounting frame; 11. Adjusting arm; 12. Adjusting cylinder; 13. First rotating member; 14. Second rotating member; 15. Positioning shaft; 16. Telescopic cylinder; 17. Support base; 18. Linear guide; 19. First base; 20. Slide rail; 21. Rock drill; 211. Gun head; 22. Automatic retractable rope reel; 23. Second base; 241. First push cylinder; 242. Second push cylinder; 25. Connecting plate; 26. Crushing gun; 27. Wheel frame. DETAILED DESCRIPTION

[0028] Embodiment 1

[0029] like Figure 1-Figure 4 As shown, a drilling and squeezing machine proposed in this embodiment includes a positioning shaft 15, a drilling and squeezing mechanism and an engineering chassis 1.

[0030] A telescopic oil cylinder 16 is provided at the front end of the positioning shaft 15. When the telescopic oil cylinder 16 is extended, it can abut against the tunnel face and can position the drill hole.

[0031] A group of drilling and squeezing mechanisms are arranged on both sides of the positioning shaft 15, and the two groups of drilling and squeezing mechanisms can operate simultaneously, further improving the excavation efficiency. The drilling and squeezing mechanism includes a support base 17 rotatably arranged on the positioning shaft 15, an orientation adjustment component for adjusting the orientation of the support base 17, a drilling component and a squeezing component arranged side by side, and a position adjustment component for adjusting the distribution position of the drilling component and the squeezing component on the support base 17. First, the drilling component is adjusted to the drilling position, and the drilling component is used to perform drilling processing on the face, and then the drilling component is removed, and the squeezing component is adjusted to the position where the drilling component was previously located, and the squeezing component is used to perform squeezing processing at the same position of the drilling to achieve squeezing excavation.

[0032] The driver controls the engineering chassis 1 in the cab, which is safe. The engineering chassis 1 is selected from but not limited to a crawler chassis or a wheeled chassis. The engineering chassis 1 is provided with a support adjustment mechanism for adjusting the position of the positioning shaft 15, which can specifically adjust the height, orientation, and distance to the face of the locating shaft 15. The support adjustment mechanism corresponds to the locating shaft 15 one by one and is provided in multiple groups. The number of support adjustment mechanisms installed is selected according to actual needs to meet the needs of construction efficiency.

[0033] like Figure 4As shown, the drilling assembly includes a first base 19, a slide rail 20 slidably disposed on the first base 19, a first push oil cylinder 241 disposed on the first base 19 and having a telescopic end connected to the slide rail 20, a rock drill 21 located on the slide rail 20, and an automatic retractable rope reel 22 disposed on the slide rail 20 and used to adjust the front and rear positions of the rock drill 21. The rock drill 21 has a gun head 211, and the top of the slide rail 20 has a support plate, which has a through hole for the gun head 211 to pass through, so as to lift the gun head 211 without affecting the normal drilling of the gun head 211.

[0034] like Figure 4 As shown, the automatic retractable rope reel 22 includes a pulling assembly and a shifting mechanism, the pulling assembly includes two rope reels rotatably arranged in the inner cavity of the slide rail 20, a connecting rope wound on the two rope reels, and a first motor arranged on the slide rail 20 and connected to a rope reel drive, the connecting rope is connected to the rock drill 21, the first motor drives the rope reels to rotate, the rope reels drive the connecting rope to move, the connecting rope drives the rock drill 21 to move forward and backward, and the bottom of the rock drill 21 has a rolling wheel that can roll on the slide rail 20. The shifting mechanism includes two groups of shifting assemblies distributed in opposite directions, the shifting assembly includes a rope, a moving frame, a roller rotatably arranged on the moving frame and in rolling contact with the slide rail 20, a rope reel rotatably arranged on the moving frame, and a second motor arranged on the moving frame and driving the rope reel to rotate, a bearing seat is installed on the top of the moving frame, and the gun head 211 is installed through the bearing seat. In the two groups of shifting assemblies, two ropes are respectively wound on the two rope reels, and the outer ends of the two ropes are respectively connected to the rock drill 21 and the slide rail 20. When the position of the rock drill 21 is adjusted by the pulling assembly, the position of the mobile frame on the slide rail 20 is adjusted by the two sets of shifting assemblies to ensure that the bearing seat provides stable rotation support for the gun head 211. The winding and unwinding states of the two ropes in the two sets of shifting assemblies are opposite, that is, when one rope is wound up, the other rope is unwound.

[0035] like Figure 1 and Figure 4 As shown, the squeezing assembly includes a second base 23, a squeezing gun 26 located above the second base 23, a connecting plate 25 arranged at the bottom of the squeezing gun 26, and a second pushing oil cylinder 242 arranged on the second base 23 and connected to the connecting plate 25 at the telescopic end. The second pushing oil cylinder 242 can drive the connecting plate 25 to move, and the connecting plate 25 drives the squeezing gun 26 to move. When the squeezing gun 26 moves forward, squeezing construction can be performed. The squeezing gun 26 is distributed in parallel with the rock drilling gun 21 and can be moved to the same position as the rock drilling gun 21, so as to facilitate accurate squeezing processing at the borehole drilled by the rock drilling gun 21.

[0036] like Figure 4As shown, a wheel frame 27 is provided at the end of the squeezing gun 26, and a roller is rotatably provided on the wheel frame 27, and the roller is in rolling contact with the top surface of the second base 23. When the squeezing gun 26 is moved by the second pushing cylinder 242, the roller is used to roll on the second base 23 to provide auxiliary support, so that the squeezing gun 26 can move smoothly. When the squeezing gun 26 is squeezing, the roller also provides support for the squeezing gun 26, which is conducive to the squeezing gun 26 to effectively squeeze the rock.

[0037] This embodiment can first drill holes around the free face of the tunnel by using the rock drill 21, and then use the squeezing gun 26 to squeeze and break at the same position. The positioning is simple and accurate, the squeezing effect is good, and precise face squeezing and excavation can be achieved. The construction efficiency is high, the cost is low, and the safety is good. It can be put into use in situations such as near important buildings and cultural relics, close to residential areas, close to underground pipelines and facilities, weak geological and poor geological areas, high stress areas, high-precision projects, and underwater projects.

[0038] Embodiment 2

[0039] like Figure 1-Figure 4 As shown, a drilling and squeezing machine proposed in this embodiment, compared with the first embodiment, in this embodiment, a support adjustment mechanism and a positioning shaft 15 are both provided in one group; the support adjustment mechanism includes a rotating disk 2 rotatably arranged on the engineering chassis 1, a hydraulic motor arranged on the engineering chassis 1 and driving the rotating disk 2 to rotate, a first connecting frame 3 and a rotating arm 6 rotatably arranged on the rotating disk 2, a first connecting rod 4 rotatably connected to the first connecting frame 3 and the rotating arm 6 at both ends, a first oil cylinder 5 rotatably connected to the first connecting frame 3 and the rotating arm 6 at both ends and adjusting the pitch angle of the rotating arm 6 by telescoping, a second connecting rod 7 rotatably arranged at the top of the rotating arm 6, and a mounting frame 101. , a second connecting frame 8 whose two ends are rotatably connected to the second connecting rod 7 and the mounting frame 101, a telescopic arm 10 arranged on the mounting frame 101, a second oil cylinder 9 whose two ends are rotatably connected to the rotating arm 6 and the second connecting frame 8 and adjust the pitch angle of the telescopic arm 10 by telescoping, an adjusting arm 11 rotatably arranged at the outer end of the telescopic arm 10, an adjusting oil cylinder 12 whose two ends are rotatably connected to the telescopic arm 10 and the adjusting arm 11 and adjust the pitch angle of the adjusting arm 11 by telescoping, a first rotating member 13 rotatably arranged at the outer end of the adjusting arm 11, and a second rotating member 14 rotatably arranged at the top of the first rotating member 13, and a positioning shaft 15 is arranged on the second rotating member 14. The orientation and extension degree of the entire support and adjustment mechanism can be adjusted by the hydraulic motor, the first oil cylinder 5, the second oil cylinder 9 and the adjusting oil cylinder 12. The first rotating member 13 and the second rotating member 14 are both built with a structure that can realize their own rotation, such as a motor or a hydraulic motor.

[0040] The telescopic arm 10 includes a fixed cylinder, a telescopic cylinder and an oil cylinder. The telescopic cylinder is slidably arranged on the fixed cylinder. The telescopic cylinder is rotatably connected to the adjustment oil cylinder 12. The fixed cylinder is connected to the mounting frame 101. The oil cylinder is built into the fixed cylinder and drives the telescopic cylinder to move. The oil cylinder moves the telescopic cylinder by telescoping, thereby adjusting the length of the telescopic arm 10.

[0041] In this embodiment, the entire support adjustment mechanism can be adjusted by controlling the actions of each actuator, so as to move the positioning shaft 15 to the target positioning position during construction, and facilitate drilling and squeezing construction by the rock drilling gun 21 and the squeezing gun 26 respectively.

[0042] Embodiment 3

[0043] like Figure 1-Figure 4 As shown, the present embodiment proposes a drilling and squeezing machine. Compared with the second embodiment, in the present embodiment, the position adjustment assembly includes a first slider arranged at the bottom of the first base 19, a second slider arranged at the bottom of the second base 23, a linear guide 18 arranged on the support base 17 and slidably connected with the first slider and the second slider, a motor arranged on the support base 17, and a screw connected to the output end of the motor and threadedly connected with the first slider and the second slider respectively. The motor can drive the screw to rotate, the screw drives the slider to move, and the linear guide 18 guides and supports the slider, so that the first base 19 and the second base 23 can move smoothly along a straight line, which can help to accurately adjust the rock drilling gun 21 and the squeezing gun 26 to the same working position respectively, and perform drilling and squeezing construction in sequence, thereby improving the efficiency of rock excavation.

[0044] The orientation adjustment assembly includes a power device disposed on the second rotating member 14 and driving the support base 17 to rotate around the positioning axis 15. The power device may be a hydraulic motor to drive the support base 17 to rotate and adjust the orientation of the support base 17. The power device may also be a hydraulic cylinder, and when a hydraulic cylinder is used, both ends of the hydraulic cylinder are hinged to the second rotating member 14 and the support base 17, respectively.

[0045] Embodiment 4

[0046] This embodiment provides a drilling and squeezing method, which is implemented by the drilling and squeezing machine in the second embodiment. The method includes the following steps:

[0047] S1. Driving the engineering chassis 1 to the tunnel face drilling operation area and fixing it on the ground is conducive to ensuring smooth and accurate construction in the subsequent process;

[0048] S2. Adjust the position of the positioning shaft 15 through the support adjustment mechanism. When adjusting, the rotating disk 2 is driven to rotate by the hydraulic motor, the rotating arm 6 is lifted by the first oil cylinder 5, the telescopic arm 10 is lifted by the second oil cylinder 9, the extension distance of the telescopic arm 10 is adjusted by the oil cylinder, the position of the adjusting arm 11 is adjusted by the adjusting oil cylinder 12, and the position of the positioning shaft 15 is adjusted by the first rotating member 13 and the second rotating member 14, so as to adjust the positioning shaft 15 to the positioning position;

[0049] S3, adjusting the rock drill 21 to align with the target drilling position of the tunnel face through the azimuth adjustment component and the position adjustment component;

[0050] S4, the telescopic cylinder 16 is extended, and the outer end of the telescopic cylinder 16 abuts against the tunnel face positioning for positioning;

[0051] S5. The rock drill 21 is driven forward by the first push cylinder 241 to start the rock drill 21 and drill holes on the tunnel face. It should be noted that when the engineering chassis 1 has multiple sets of support adjustment mechanisms, the multiple sets of support adjustment mechanisms are controlled respectively to first adjust the rock drill 21 to the specified tunnel face, and then other support adjustment mechanisms are controlled to operate to adjust the position of the rock drill 21, so as to enable drilling and squeezing operations on the tunnel face from multiple locations.

[0052] S6. After the drilling is completed, the position of the squeezing gun 26 is adjusted by the position adjustment component to adjust the squeezing gun 26 to the same position as the rock drilling gun 21. The position adjustment component can ensure accurate adjustment and positioning;

[0053] S7. The squeezing gun 26 is driven forward by the second pushing cylinder 242, and the squeezing gun 26 is used to squeeze the tunnel face at the drill hole, with good squeezing effect and high efficiency.

[0054] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A drilling and squeezing machine, characterized in that: include: A positioning shaft (15) having a telescopic oil cylinder (16) disposed at its front end; A drilling and squeezing mechanism, comprising a support base (17) rotatably arranged on a positioning shaft (15), an orientation adjustment component for adjusting the orientation of the support base (17), a drilling component and a squeezing component arranged side by side, and a position adjustment component for adjusting the distribution positions of the drilling component and the squeezing component on the support base (17); The engineering chassis (1) is provided with a support adjustment mechanism for adjusting the position of a positioning shaft (15); the support adjustment mechanism and the positioning shaft (15) correspond one to one and are provided in multiple groups.

2. The drilling and squeezing machine according to claim 1, characterized in that: A group of drilling and squeezing mechanisms are respectively arranged on both sides of the positioning shaft (15).

3. The drilling and squeezing machine according to claim 1, characterized in that: The drilling assembly comprises a first base (19), a slide rail (20) slidably arranged on the first base (19), a first pushing oil cylinder (241) arranged on the first base (19) and having a telescopic end connected to the slide rail (20), a rock drill (21) located on the slide rail (20), and an automatically retractable rope reel (22) arranged on the slide rail (20) and used for adjusting the front and rear positions of the rock drill (21).

4. The drilling and squeezing machine according to claim 3, characterized in that: The squeezing assembly comprises a second base (23), a squeezing gun (26) located above the second base (23), a connecting plate (25) arranged at the bottom of the squeezing gun (26), and a second pushing oil cylinder (242) arranged on the second base (23) and having a telescopic end connected to the connecting plate (25); the squeezing gun (26) and the rock drilling gun (21) are arranged in parallel.

5. The drilling and squeezing machine according to claim 4, characterized in that: A wheel frame (27) is arranged at the end of the squeezing gun (26), and a roller is rotatably arranged on the wheel frame (27), and the roller is in rolling contact with the top surface of the second base (23).

6. The drilling and squeezing machine according to claim 4, characterized in that: The position adjustment assembly comprises a first slider arranged at the bottom of a first base (19), a second slider arranged at the bottom of a second base (23), a linear guide rail (18) arranged on a support base (17) and slidably connected to the first slider and the second slider, a motor arranged on the support base (17), and a screw connected to an output end of the motor and threadedly connected to the first slider and the second slider respectively.

7. The drilling and squeezing machine according to claim 4, characterized in that: The support adjustment mechanism comprises a rotating disk (2) rotatably arranged on an engineering chassis (1), a hydraulic motor arranged on the engineering chassis (1) and driving the rotating disk (2) to rotate, a first connecting frame (3) and a rotating arm (6) rotatably arranged on the rotating disk (2), a first connecting rod (4) whose two ends are respectively rotatably connected to the first connecting frame (3) and the rotating arm (6), a first oil cylinder (5) whose two ends are respectively rotatably connected to the first connecting frame (3) and the rotating arm (6) and adjusting the pitch angle of the rotating arm (6) by telescoping, a second connecting rod (7) and a mounting frame (101) rotatably arranged at the top end of the rotating arm (6), and a second connecting rod (7) and a mounting frame (101) rotatably connected to the second connecting rod (7) and the mounting frame (101) at both ends. A connecting frame (8), a telescopic arm (10) arranged on a mounting frame (101), a second oil cylinder (9) whose two ends are respectively rotatably connected to a rotating arm (6) and a second connecting frame (8) and is used to adjust the pitch angle of the telescopic arm (10) by telescoping, an adjusting arm (11) rotatably arranged at the outer end of the telescopic arm (10), an adjusting oil cylinder (12) whose two ends are respectively rotatably connected to the telescopic arm (10) and the adjusting arm (11) and is used to adjust the pitch angle of the adjusting arm (11) by telescoping, a first rotating member (13) rotatably arranged at the outer end of the adjusting arm (11), and a second rotating member (14) rotatably arranged on the top of the first rotating member (13), and a positioning shaft (15) is arranged on the second rotating member (14).

8. The drilling and squeezing machine according to claim 7, characterized in that: The telescopic arm (10) comprises a fixed cylinder, a telescopic cylinder and an oil cylinder. The telescopic cylinder is slidably arranged on the fixed cylinder. The telescopic cylinder is rotationally connected to the adjustment oil cylinder (12). The fixed cylinder is connected to the mounting frame (101). The oil cylinder is built into the fixed cylinder and drives the telescopic cylinder to move.

9. The drilling and squeezing machine according to claim 7, characterized in that: The orientation adjustment component comprises a power device which is arranged on the second rotating member (14) and drives the supporting base (17) to rotate around the positioning shaft (15).

10. A drilling and squeezing method, implemented by the drilling and squeezing machine according to claim 7, characterized in that: The method comprises the following steps: S1, driving the engineering chassis (1) to a tunnel face drilling operation area in the tunnel; S2, respectively controlling the operation of the plurality of support adjustment mechanisms to adjust the positions of the plurality of positioning shafts (15). Specifically, during the adjustment, the rotating disk (2) is driven to rotate by the hydraulic motor, the rotating arm (6) is lifted by the first oil cylinder (5), the telescopic arm (10) is lifted by the second oil cylinder (9), the extension distance of the telescopic arm (10) is adjusted by the oil cylinder, the position of the adjusting arm (11) is adjusted by the adjusting oil cylinder (12), and the position of the positioning shaft (15) is adjusted by the first rotating member (13) and the second rotating member (14), and the positioning shaft (15) is adjusted to the positioning position; S3, adjusting the rock drill (21) to align with the target drilling position on the tunnel face through the azimuth adjustment component and the position adjustment component; S4, the telescopic cylinder (16) is extended and abuts against the positioning plate of the tunnel face for positioning; S5, driving the rock drill (21) forward by the first push cylinder (241), starting the rock drill (21), and drilling a hole on the tunnel face; S6. After the drilling is completed, the position of the squeezing gun (26) is adjusted by the position adjustment component, and the squeezing gun (26) is adjusted to the same position as the rock drilling gun (21); S7. The second driving oil cylinder (242) drives the squeezing gun (26) forward, and the squeezing gun (26) is used to squeeze the tunnel face at the drill hole.

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