Drilling crushing machine

Abstract

The utility model relates to the field of tunnel construction, in particular to a drilling crushing machine. 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 utility model, the periphery of the free face of the tunnel can be punched firstly, then extrusion breaking is carried out, precise tunnel face extrusion breaking excavation is realized, the construction efficiency is high, the cost is low, and the safety is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of tunnel construction, in particular to a drilling extrusion breaking machine. BACKGROUND

[0002] In the aspect of tunnel excavation of stone stratum, drilling and blasting method is widely used for excavation construction. The traditional construction method is to use artificial air drill to drill, and charge and blast, which has the characteristics of low construction cost but low efficiency. In order to ensure the excavation footage speed, multiple persons need to hold the air drill to drill, and the safety of the personnel in the working face cannot be guaranteed. In the tunnel full of flammable and explosive gas such as coal gas tunnel or gas tunnel, explosive cannot be used for blasting. In the case of adjacent important buildings and cultural relics, adjacent residential areas, close to underground pipelines and facilities, soft and poor geological areas, high stress areas, high precision engineering and underwater engineering, drilling and blasting method cannot be completely used for construction. For the above working conditions, static breaking method is usually used for excavation, but for large-scale tunnel engineering, the construction efficiency of static breaking method is low. SUMMARY

[0003] The utility model aims at the problems in the background art, and provides a drilling extrusion breaking machine, which can drill holes around the free surface of the tunnel first, then extrude and break, realize precise working face extrusion and breaking excavation, has high construction efficiency, low cost and good safety.

[0004] The technical scheme of the utility model, a drilling extrusion breaking machine, comprises a positioning shaft, a drilling extrusion breaking mechanism and an engineering chassis; a telescopic oil cylinder is arranged at the front end of the positioning shaft; the drilling extrusion breaking mechanism comprises a supporting base rotatably arranged on the positioning shaft, an azimuth adjusting assembly for adjusting the azimuth of the supporting base, drilling assemblies and extrusion breaking assemblies which are arranged side by side, and a position adjusting assembly for adjusting the distribution positions of the drilling assemblies and the extrusion breaking assemblies on the supporting base; a supporting adjusting mechanism for adjusting the position of the positioning shaft is arranged on the engineering chassis; the supporting adjusting mechanism and the positioning shaft are in one-to-one correspondence and are provided with multiple groups.

[0005] Preferably, one group of the drilling extrusion breaking mechanism is arranged on each side of the positioning shaft.

[0006] Preferably, the drilling assembly comprises a first base, a sliding rail slidably arranged on the first base, a first pushing oil cylinder arranged on the first base and connected with the telescopic end of the sliding rail, a rock drill gun located on the sliding rail, and an automatic retracting rope winder arranged on the sliding rail and used for adjusting the front and back positions of the rock drill gun.

[0007] Preferably, the extrusion breaking assembly comprises a second base, an extrusion breaking gun located above the second base, a connecting plate arranged at the bottom of the extrusion breaking gun, and a second pushing oil cylinder arranged on the second base and connected with the telescopic end of the connecting plate, and the extrusion breaking gun and the rock drill gun are arranged in parallel.

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

[0009] Preferably, the position adjusting assembly comprises a first sliding block arranged at the bottom of the first base, a second sliding block arranged at the bottom of the second base, a linear guide rail arranged on the support base and in sliding connection with the first sliding block and the second sliding block, a motor arranged on the support base, and a screw rod connected with the output end of the motor and in threaded connection with the first sliding block and the second sliding block, respectively.

[0010] Preferably, the support adjusting mechanism comprises a rotating disc rotatably arranged on the engineering chassis, a hydraulic motor arranged on the engineering chassis and driving the rotating disc to rotate, a first connecting frame and a rotating arm rotatably arranged on the rotating disc, a first connecting rod having two ends rotatably connected with the first connecting frame and the rotating arm, respectively, a first oil cylinder having two ends rotatably connected with the first connecting frame and the rotating arm, respectively, and adjusting the pitch angle of the rotating arm through extension and contraction, a second connecting rod and a mounting frame rotatably arranged at the top end of the rotating arm, a second connecting frame having two ends rotatably connected with the second connecting rod and the mounting frame, respectively, an extension arm arranged on the mounting frame, a second oil cylinder having two ends rotatably connected with the rotating arm and the second connecting frame, respectively, and adjusting the pitch angle of the extension arm through extension and contraction, an adjusting arm rotatably arranged at the outer end of the extension arm, an adjusting oil cylinder having two ends rotatably connected with the extension arm and the adjusting arm, respectively, and adjusting the pitch angle of the adjusting arm through extension and contraction, 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 arranged on the second rotating member.

[0011] Preferably, the extension arm comprises a fixed cylinder, an extension cylinder, and an oil cylinder, the extension cylinder is slidably arranged on the fixed cylinder, the extension cylinder is rotatably connected with the adjusting oil cylinder, the fixed cylinder is connected with the mounting frame, and the oil cylinder is built in the fixed cylinder and drives the extension cylinder to move.

[0012] Preferably, the orientation adjusting assembly comprises a power device arranged on the second rotating member and driving the support base to rotate around the positioning shaft.

[0013] Compared with the prior art, the utility model has the beneficial technical effects that:

[0014] The utility model can first punch holes around the tunnel free face by the rock drilling gun, then extrude and break at the same position by the extrusion breaking gun, the alignment is simple and accurate, the extrusion and breaking effect is good, the precise tunnel face extrusion and breaking excavation can be realized, the construction efficiency is high, the cost is low, and the safety is good, and the construction efficiency can be improved by selecting different numbers of support adjusting mechanisms and positioning shafts on the engineering chassis according to the construction needs. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the utility model embodiment;

[0016] Figure 2 This is a structural schematic diagram of the adjusting rotating arm, telescopic arm, adjusting arm, first rotating member, and second rotating member in an embodiment of the present utility model;

[0017] Figure 3 This is a schematic diagram showing the distribution of the positioning shaft and the support base;

[0018] Figure 4 This is a schematic diagram showing the distribution of rock drilling guns and crushing guns.

[0019] Reference numerals: 1. Engineering chassis; 2. Rotating disc; 3. First connecting frame; 4. First connecting rod; 5. First hydraulic cylinder; 6. Rotating arm; 7. Second connecting rod; 8. Second connecting frame; 9. Second hydraulic cylinder; 10. Telescopic arm; 101. Mounting frame; 11. Adjusting arm; 12. Adjusting hydraulic cylinder; 13. First rotating component; 14. Second rotating component; 15. Positioning shaft; 16. Telescopic hydraulic cylinder; 17. Support base; 18. Linear guide rail; 19. First base; 20. Slide rail; 21. Rock drill; 211. Drill head; 22. Automatic retractable rope reel; 23. Second base; 241. First push hydraulic cylinder; 242. Second push hydraulic cylinder; 25. Connecting plate; 26. Crushing gun; 27. Wheel frame. Detailed Implementation

[0020] Example 1

[0021] like Figures 1-4 As shown in the figure, the drilling and extrusion machine proposed in this embodiment includes a positioning shaft 15, a drilling and extrusion mechanism, and an engineering chassis 1.

[0022] A telescopic hydraulic cylinder 16 is provided at the front end of the positioning shaft 15. When the telescopic hydraulic cylinder 16 extends, it can abut against the working face to position the borehole.

[0023] One set of drilling and crushing mechanisms is installed on each side of the positioning shaft 15. Both sets of drilling and crushing mechanisms can operate simultaneously, further improving excavation efficiency. The drilling and crushing mechanism includes a support base 17 rotatably mounted on the positioning shaft 15, an orientation adjustment component for adjusting the orientation of the support base 17, drilling components and crushing components arranged side-by-side, and a position adjustment component for adjusting the distribution of the drilling components and crushing components on the support base 17. First, the drilling components are adjusted to the drilling position, and drilling is performed at the working face using the drilling components. Then, the drilling components are moved away, and the crushing components are adjusted to the previous position of the drilling components. Crushing is then performed at the same position as the previous drilling, achieving crushing excavation.

[0024] The driver controls in the cab of the engineering chassis 1, which is safe. The engineering chassis 1 is selected from but not limited to a tracked chassis or a wheeled chassis, and the engineering chassis 1 is provided with a support adjusting mechanism for adjusting the position of the positioning shaft 15, which can specifically adjust the height, orientation and distance to the working surface of the positioning shaft 15. The support adjusting mechanism and the positioning shaft 15 are one-to-one corresponding and provided with multiple groups, and the number of the support adjusting mechanisms is selected and installed according to the actual needs to meet the needs of construction efficiency.

[0025] As shown in Figure 4 , the drilling assembly comprises a first base 19, a sliding rail 20 slidingly arranged on the first base 19, a first push cylinder 241 arranged on the first base 19 and having a telescopic end connected with the sliding rail 20, a rock drill gun 21 located on the sliding rail 20, and an automatic retracting rope reel 22 arranged on the sliding rail 20 and used for adjusting the front and back positions of the rock drill gun 21. The rock drill gun 21 has a gun head 211, the top of the sliding rail 20 has a supporting plate with a through hole for the gun head 211 to pass through, which supports the gun head 211 and does not affect the normal drilling of the gun head 211.

[0026] As shown in Figure 4 , the automatic retracting rope reel 22 comprises a pulling assembly and a displacement mechanism. The pulling assembly comprises two winding wheels rotatably arranged in the inner cavity of the sliding rail 20, a connecting rope wound on the two winding wheels, and a first motor arranged on the sliding rail 20 and drivingly connected with one winding wheel. The connecting rope is connected with the rock drill gun 21. The first motor drives the winding wheel to rotate, the winding wheel drives the connecting rope to move, the connecting rope drives the rock drill gun 21 to move forward and backward, and the bottom of the rock drill gun 21 has a rolling wheel capable of rolling on the sliding rail 20. The displacement mechanism comprises two groups of displacement assemblies distributed in opposite directions. Each displacement assembly comprises a rope, a moving frame, a rolling wheel rotatably arranged on the moving frame and in rolling contact with the sliding rail 20, a winding wheel rotatably arranged on the moving frame, and a second motor arranged on the moving frame and driving the winding wheel to rotate. The top of the moving frame is provided with a bearing seat, and the gun head 211 passes through the bearing seat for installation. In the two groups of displacement assemblies, the two ropes are wound on the two winding wheels respectively, and the outer ends of the two ropes are connected with the rock drill gun 21 and the sliding rail 20 respectively. When the position of the rock drill gun 21 is adjusted by the pulling assembly, the position of the moving frame on the sliding rail 20 is adjusted by the two groups of displacement assemblies to ensure that the bearing seat stably supports the gun head 211. The winding and unwinding states of the two ropes in the two groups of displacement assemblies are opposite, that is, when one rope is wound, the other rope is unwound.

[0027] As shown in Figure 1 and Figure 4As shown, the extrusion breaking assembly comprises a second base 23, an extrusion breaking gun 26 located above the second base 23, a connecting plate 25 arranged at the bottom of the extrusion breaking gun 26, and a second pushing oil cylinder 242 arranged on the second base 23 and connected with 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 extrusion breaking gun 26 to move. When the extrusion breaking gun 26 moves forward, the extrusion breaking construction can be performed. The extrusion breaking 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 extrusion breaking treatment at the drill hole drilled by the rock drilling gun 21.

[0028] As shown in Figure 4 The extrusion breaking gun 26 is provided with a wheel frame 27 at the end, and a roller is rotatably arranged on the wheel frame 27 and in rolling contact with the top surface of the second base 23. When the extrusion breaking gun 26 is moved by the second pushing oil cylinder 242, the roller on the second base 23 is used to provide auxiliary support, so that the extrusion breaking gun 26 can move stably. When the extrusion breaking gun 26 performs extrusion breaking construction, the roller also provides support force for the extrusion breaking gun 26, which is beneficial to effectively extruding the rock by the extrusion breaking gun 26.

[0029] The embodiment can first drill holes around the free surface of the tunnel by the rock drilling gun 21, and then perform extrusion breaking at the same position by the extrusion breaking gun 26. The alignment is simple and accurate, the extrusion breaking effect is good, precise tunnel face extrusion breaking excavation can be realized, the construction efficiency is high, the cost is low, the safety is good, and the embodiment can be applied in the following situations: adjacent important buildings and cultural relics, adjacent residential areas, close to underground pipelines and facilities, soft and poor geological areas, high-stress areas, high-precision engineering, and underwater engineering.

[0030] Embodiment two

[0031] As shown in Figures 1-4Compared with the first embodiment, the support adjusting mechanism and the positioning shaft 15 are provided in the second embodiment. The support adjusting mechanism comprises a rotating disc 2 rotatably arranged on the engineering chassis 1, a hydraulic motor arranged on the engineering chassis 1 and driving the rotating disc 2 to rotate, a first connecting frame 3 and a rotating arm 6 rotatably arranged on the rotating disc 2, a first connecting rod 4 having two ends rotatably connected with the first connecting frame 3 and the rotating arm 6, a first oil cylinder 5 having two ends rotatably connected with the first connecting frame 3 and the rotating arm 6 and adjusting the pitch angle of the rotating arm 6 through extension and retraction, a second connecting rod 7 and a mounting frame 101 rotatably arranged at the top end of the rotating arm 6, a second connecting frame 8 having two ends rotatably connected with the second connecting rod 7 and the mounting frame 101, an extension arm 10 arranged on the mounting frame 101, a second oil cylinder 9 having two ends rotatably connected with the rotating arm 6 and the second connecting frame 8 and adjusting the pitch angle of the extension arm 10 through extension and retraction, an adjusting arm 11 rotatably arranged at the outer end of the extension arm 10, an adjusting oil cylinder 12 having two ends rotatably connected with the extension arm 10 and the adjusting arm 11 and adjusting the pitch angle of the adjusting arm 11 through extension and retraction, a first rotating part 13 rotatably arranged at the outer end of the adjusting arm 11, and a second rotating part 14 rotatably arranged at the top of the first rotating part 13. The hydraulic motor, the first oil cylinder 5, the second oil cylinder 9 and the adjusting oil cylinder 12 can adjust the position and extension degree of the entire support adjusting mechanism. The first rotating part 13 and the second rotating part 14 are internally provided with structures capable of rotating, such as motors or hydraulic motors.

[0032] The extension arm 10 comprises a fixed cylinder, an extension cylinder and an oil cylinder. The extension cylinder is slidably arranged on the fixed cylinder, the extension cylinder is rotatably connected with the adjusting oil cylinder 12, the fixed cylinder is connected with the mounting frame 101, and the oil cylinder is internally arranged in the fixed cylinder and drives the extension cylinder to move. The oil cylinder drives the extension cylinder to move through extension and retraction, thereby adjusting the length of the extension arm 10.

[0033] The drilling and crushing method of the drilling and crushing machine comprises the following steps:

[0034] S1, the engineering chassis is driven to the tunnel face drilling operation area in the tunnel, and is fixed on the ground, which is beneficial to ensure the smooth and accurate construction in the subsequent process;

[0035] S2, the position of the positioning shaft 15 is adjusted by the support adjusting mechanism. Specifically, the rotating disc 2 is driven to rotate by the hydraulic motor, the rotating arm 6 is lifted by the first oil cylinder 5, the extension arm 10 is lifted by the second oil cylinder 9, the extension distance of the extension 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 part 13 and the second rotating part 14, so that the positioning shaft 15 is adjusted to the positioning position;

[0036] S3. Adjust the rock drill 21 to be aligned with the target borehole position on the working face using the orientation adjustment component and the position adjustment component;

[0037] S4. The telescopic cylinder 16 extends and the outer end of the telescopic cylinder 16 abuts against the positioning surface of the working face for positioning.

[0038] S5. Drive the rock drill 21 forward by the first push cylinder 241, start the rock drill 21, and drill a hole on the working face.

[0039] S6. After drilling is completed, adjust the position of the extrusion gun 26 using the position adjustment component to adjust the extrusion gun 26 to the same position as the rock drill 21. The position adjustment component can ensure precise adjustment and positioning.

[0040] S7. The crushing gun 26 is driven forward by the second push cylinder 242, and the crushing gun 26 crushes the working face at the drilling point, which has a good crushing effect and high efficiency.

[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, facilitating drilling and crushing operations by the rock drill 21 and the crushing gun 26 respectively. It should be noted that when the engineering chassis 1 has multiple sets of support adjustment mechanisms, each set of support adjustment mechanisms is controlled to first adjust the rock drill 21 to the designated working face, and then the other support adjustment mechanisms are controlled to adjust the position of the rock drill 21, so as to enable drilling and crushing operations at multiple points on the working face.

[0042] Example 3

[0043] like Figures 1-4 As shown, this embodiment of the drilling and crushing machine, compared to Embodiment 2, includes a position adjustment component comprising a first slider at the bottom of a first base 19, a second slider at the bottom of a second base 23, a linear guide rail 18 mounted on a support base 17 and slidably connected to the first and second sliders, a motor mounted on the support base 17, and a lead screw connected to the output end of the motor and threadedly connected to the first and second sliders respectively. The motor drives the lead screw to rotate, which in turn moves the slider. The linear guide rail 18 guides and supports the slider, allowing the first base 19 and the second base 23 to move smoothly along a straight line. This facilitates the accurate and sequential adjustment of the rock drill 21 and the crushing gun 26 to the same working position, enabling drilling and crushing operations to be performed sequentially, thus improving rock excavation efficiency.

[0044] The azimuth adjusting assembly comprises a power device arranged on the second rotating member 14 and driving the support base 17 to rotate around the positioning shaft 15. The power device can be a hydraulic motor, which drives the support base 17 to rotate and adjusts the azimuth of the support base 17. The power device can also be a hydraulic cylinder, and the two ends of the hydraulic cylinder are respectively hinged to the second rotating member 14 and the support base 17.

[0045] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to this, and various changes can be made within the knowledge range possessed by the skilled in the art without departing from the purpose of the utility model.

Claims

1. A borehole extrusion breacker, characterized by, The utility model relates to a drilling and extruding mechanism for a drilling and extruding machine. The drilling and extruding mechanism comprises a positioning shaft (15) with a telescopic oil cylinder (16) at the front end, a support base (17) rotatably arranged on the positioning shaft (15), an azimuth adjusting assembly for adjusting the azimuth of the support base (17), drilling assemblies and extruding assemblies arranged side by side, and a position adjusting assembly for adjusting the position of the drilling assemblies and the extruding assemblies on the support base (17). An engineering chassis (1) is provided with a support adjusting mechanism for adjusting the position of the positioning shaft (15), and the support adjusting mechanism and the positioning shaft (15) are in one-to-one correspondence and provided with multiple sets. The drilling and extruding mechanism is provided with one set of drilling assemblies and one set of extruding assemblies on each side of the positioning shaft (15).

2. The borehole extrusion breacker of claim 1 wherein, The drilling assemblies comprise a first base (19), a sliding rail (20) slidably arranged on the first base (19), a first push oil cylinder (241) arranged on the first base (19) and having a telescopic end connected with the sliding rail (20), a rock drill (21) arranged on the sliding rail (20), and an automatic retracting rope winder (22) arranged on the sliding rail (20) and used for adjusting the forward and backward position of the rock drill (21).

3. The borehole extrusion breacker of claim 1 wherein, The extruding assemblies comprise a second base (23), an extruding gun (26) arranged above the second base (23), a connecting plate (25) arranged at the bottom of the extruding gun (26), and a second push oil cylinder (242) arranged on the second base (23) and having a telescopic end connected with the connecting plate (25), wherein the extruding gun (26) is arranged in parallel with the rock drill (21).

4. The borehole extrusion breacker of claim 3 wherein, The extruding gun (26) is provided with a wheel carrier (27) at the end, the wheel carrier (27) is rotatably arranged with a roller, and the roller is in rolling contact with the top surface of the second base (23).

5. The bore extruder of claim 4, wherein, The position adjusting assembly comprises a first sliding block arranged at the bottom of the first base (19), a second sliding block arranged at the bottom of the second base (23), a linear guide rail (18) slidably connected with the first sliding block and the second sliding block and arranged on the support base (17), a motor arranged on the support base (17), and a screw rod connected with the output end of the motor and threadedly connected with the first sliding block and the second sliding block, respectively.

6. The bore extruder of claim 4, wherein, ​ 7. The bore extruder of claim 4, wherein, The support adjusting mechanism comprises a rotating disc (2) rotatably arranged on the engineering chassis (1), a hydraulic motor arranged on the engineering chassis (1) and driving the rotating disc (2) to rotate, a first connecting frame (3) and a rotating arm (6) rotatably arranged on the rotating disc (2), a first connecting rod (4) having two ends rotatably connected with the first connecting frame (3) and the rotating arm (6) respectively, a first oil cylinder (5) having two ends rotatably connected with the first connecting frame (3) and the rotating arm (6) respectively and adjusting the pitch angle of the rotating arm (6) through extension and retraction, a second connecting rod (7) and a mounting frame (101) rotatably arranged on the top end of the rotating arm (6), a second connecting frame (8) having two ends rotatably connected with the second connecting rod (7) and the mounting frame (101) respectively, an extension arm (10) arranged on the mounting frame (101), a second oil cylinder (9) having two ends rotatably connected with the rotating arm (6) and the second connecting frame (8) respectively and adjusting the pitch angle of the extension arm (10) through extension and retraction, an adjusting arm (11) rotatably arranged on the outer end of the extension arm (10), an adjusting oil cylinder (12) having two ends rotatably connected with the extension arm (10) and the adjusting arm (11) respectively and adjusting the pitch angle of the adjusting arm (11) through extension and retraction, a first rotating member (13) rotatably arranged on 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) arranged on the second rotating member (14).

8. The borehole extrusion breacker of claim 7 wherein, The extension arm (10) comprises a fixed cylinder, an extension cylinder and an oil cylinder, the extension cylinder is slidably arranged on the fixed cylinder, the extension cylinder is rotatably connected with the adjusting oil cylinder (12), the fixed cylinder is connected with the mounting frame (101), and the oil cylinder is built in the fixed cylinder and drives the extension cylinder to move.

9. The borehole extrusion breacker of claim 7 wherein, The orientation adjusting assembly comprises a power device arranged on the second rotating member (14) and driving the support base (17) to rotate around the positioning shaft (15).

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