Azimuth adjusting mechanism and rock drilling crushing machine with same

Abstract

The utility model relates to the field of tunnel construction, in particular to an orientation adjusting mechanism and a rock drilling crushing machine with the orientation adjusting mechanism. The rock drilling crushing machine comprises a direction adjusting mechanism, a drilling assembly, a crushing assembly and an engineering chassis. The direction adjusting mechanism comprises a rotation driving mechanism, a horizontal swing oil cylinder, a vertical swing oil cylinder and a supporting frame. The vertical swing oil cylinder is used for driving the supporting frame to rotate. The horizontal swinging oil cylinder is connected with the output end of the rotary driving mechanism and is used for driving the vertical swinging oil cylinder to rotate; the drilling assembly comprises a first mounting seat, a sliding rail, a first horizontal pushing oil cylinder, a rock drilling gun and an automatic contraction rope winder; the crushing assembly comprises a second mounting seat, a crushing gun, a first connecting frame and a second horizontal pushing oil cylinder; the engineering chassis is provided with an adjusting arm mechanism used for leveling the drilling assembly and the crushing assembly. According to the utility model, the periphery of the free face is punched, and precise tunnel face crushing excavation is carried out in a crushing manner.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of tunnel construction, in particular to the azimuth adjusting mechanism and rock drill extruding breaker with same. BACKGROUND

[0002] The tunnel is excavated in the stone stratum, and the drilling and blasting method is most widely used. The traditional construction mode is to drill holes by artificial air drill and charge blasting, and the method has the characteristics of low construction cost but low efficiency. In order to ensure the excavation footage speed, a plurality of persons need to hold the air drill to drill holes, 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, blasting with explosive cannot be used. In the conditions 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, the drilling and blasting method cannot be completely used for construction. In these working conditions, the static breaking method is usually used for excavation, but the static breaking method has low construction efficiency for large-scale tunnel engineering. SUMMARY

[0003] The utility model aims at the problems in the background art, and provides the azimuth adjusting mechanism and rock drill extruding breaker with same, which can precisely excavate the working face by drilling holes around the free surface and extruding and breaking.

[0004] The technical scheme of the utility model, the rock drill extruding breaker, comprises an azimuth adjusting mechanism, a drilling assembly, an extruding and breaking assembly and an engineering chassis. The azimuth adjusting mechanism comprises a rotary drive mechanism, a horizontal swing oil cylinder, a vertical swing oil cylinder and a support frame. The vertical swing oil cylinder is used for driving the support frame to rotate. The horizontal swing oil cylinder is connected with the output end of the rotary drive mechanism and is used for driving the vertical swing oil cylinder to rotate. The support frame has a "Y" shape structure and has two symmetrical mounting ends at the top. The drilling assembly comprises a first mounting seat arranged at one mounting end of the support frame, a slide rail slidably arranged on the first mounting seat, a first horizontal push oil cylinder arranged on the first mounting seat and driving the slide rail to move linearly, a rock drill gun arranged on the slide rail, and an automatic retracting rope reel arranged on the slide rail and used for adjusting the front and back positions of the rock drill gun. The rock drill gun has a drill bit. The extruding and breaking assembly comprises a second mounting seat arranged at the other mounting end of the support frame, an extruding and breaking gun located outside the second mounting seat, a first connecting frame arranged on the extruding and breaking gun, and a second horizontal push oil cylinder arranged on the second mounting seat and driving the first connecting frame to move linearly. The engineering chassis is provided with an adjusting arm mechanism used for leveling the drilling assembly and the extruding and breaking assembly.

[0005] Preferably, the automatic retraction reel comprises a pulling assembly and a displacement mechanism, the pulling assembly comprises two winding wheels rotatably arranged on a slide rail, a connecting rope wound on the two winding wheels, and a first motor arranged on the slide rail and in driving connection with one winding wheel, the connecting rope is connected with the rock drill, and the rock drill is provided with a rolling wheel capable of rolling on the slide rail at the bottom; the displacement mechanism comprises two groups of displacement assemblies oppositely arranged, each displacement assembly comprises a rope, a moving frame, a rolling wheel rotatably arranged on the moving frame and in rolling contact with the slide rail, a winding reel rotatably arranged on the moving frame, and a second motor arranged on the moving frame and driving the winding reel to rotate, and a bearing seat is arranged on the top of the moving frame, and the drill bit is arranged through the bearing seat.

[0006] Preferably, the rear part of the extrusion gun is provided with a second connecting frame, and a rolling wheel is rotatably arranged on the second connecting frame and in rolling contact with the second mounting seat.

[0007] Preferably, the adjusting arm mechanism comprises a slewing seat rotatably arranged on the engineering chassis, a hydraulic motor arranged on the engineering chassis and driving the slewing seat to rotate, a supporting seat arranged on the slewing seat, a leveling arm hingedly connected to one end of the supporting seat, a first pushing oil cylinder having two ends rotatably connected with the supporting seat and the leveling arm respectively, an adjusting arm hingedly connected to the other end of the leveling arm and arranged on the slewing driving mechanism, and a second pushing oil cylinder having two ends rotatably connected with the leveling arm and the adjusting arm respectively.

[0008] Preferably, the adjusting arm mechanism, the orientation adjusting mechanism, the drilling assembly and the extrusion assembly are one-to-one corresponding and are provided with multiple groups.

[0009] Compared with the prior art, the utility model has the advantages of the following beneficial technical effects:

[0010] The utility model discloses a precise working face extrusion and excavation are carried out to the punching and extrusion mode of the surrounding of the free surface. When the device works, the adjusting arm is adjusted to the horizontal state, and the horizontal swing oil cylinder and the vertical swing oil cylinder cooperatively control the rock drill and the extrusion gun to punch perpendicularly to the working face. The rock drill and the extrusion gun are widely applicable, high in construction efficiency, can adapt to small tunnel working conditions, high in equipment flexibility and can satisfy the working demand under different conditions. BRIEF DESCRIPTION OF DRAWINGS

[0011] Fig. 1 It is the structure schematic view of the embodiment of the utility model;

[0012] Fig. 2 It is the structure front view of the embodiment of the utility model;

[0013] Fig. 3 It is the moving principle structure sectional view of the rock drill and the extrusion gun.

[0014] Reference numerals: 1. Engineering chassis; 2. Rotary seat; 3. Support seat; 4. Leveling arm; 5. First push cylinder; 6. Second push cylinder; 7. Adjusting arm; 8. Rotary drive mechanism; 9. Horizontal swing cylinder; 10. Vertical swing cylinder; 11. Support frame; 12. First mounting seat; 13. First horizontal push cylinder; 14. Slide rail; 15. Rock drill; 151. Drill bit; 16. Automatic retractable rope reel; 17. Moving frame; 18. Bearing seat; 19. Second mounting seat; 20. Second horizontal push cylinder; 21. First connecting frame; 22. Crushing gun; 23. Second connecting frame; 24. Roller. Detailed Implementation

[0015] like Figs. 1-3 As shown, the rock drilling and crushing machine proposed in this embodiment includes an orientation adjustment mechanism, a drilling assembly, a crushing assembly, and an engineering chassis 1.

[0016] The orientation adjustment mechanism includes a rotary drive mechanism 8, a horizontal swing cylinder 9, a vertical swing cylinder 10, and a support frame 11. The rotary drive mechanism 8 can be a hydraulic motor, which drives the housing of the horizontal swing cylinder 9 to rotate. The horizontal swing cylinder 9 is connected to the output end of the rotary drive mechanism 8, and its rotating body drives the housing of the vertical swing cylinder 10 to rotate. The rotating body of the vertical swing cylinder 10 drives the support frame 11 to rotate. The support frame 11 has a "Y"-shaped structure with two symmetrically distributed mounting ends at the top, with an included angle of 90° between the two upper ends. The orientation adjustment mechanism can switch and adjust the orientation of the drilling assembly and the crushing assembly, facilitating sequential rock drilling and crushing processes.

[0017] The drilling assembly includes a first mounting base 12 disposed at one mounting end of a support frame 11, a slide rail 14 slidably disposed on the first mounting base 12, a first horizontal thrust cylinder 13 disposed on the first mounting base 12 and driving the slide rail 14 to move linearly, a rock drill 15 disposed on the slide rail 14, and an automatic retractable rope reel 16 disposed on the slide rail 14 for adjusting the front and rear position of the rock drill 15. The rock drill 15 has a drill bit 151, and the rock drill 15 drives the drill bit 151 to rotate. The first horizontal thrust cylinder 13 can drive the slide rail 14 to move back and forth, and the automatic retractable rope reel 16 can adjust the front and rear position of the rock drill 15. After the rock drill 15 is started, it can drill holes at the tunnel face by driving the drill bit 151 to rotate.

[0018] The automatic retraction rope winder 16 comprises a pulling assembly and a displacement mechanism. The pulling assembly comprises two winding wheels rotatably arranged on the slide rail 14, a connecting rope wound on the two winding wheels, and a first motor arranged on the slide rail 14 and drivingly connected with one winding wheel. The first motor drives the winding wheel to rotate, the winding wheel drives the connecting rope to move, the connecting rope is connected with the rock drill 15, the connecting rope drives the rock drill 15 to move, and the rock drill 15 is provided with a rolling wheel capable of rolling on the slide rail 14 at the bottom. The displacement mechanism comprises two groups of displacement assemblies oppositely arranged. Each displacement assembly comprises a rope, a moving frame 17, a rolling wheel rotatably arranged on the moving frame 17 and rollingly contacting with the slide rail 14, a winding wheel rotatably arranged on the moving frame 17, and a second motor arranged on the moving frame 17 and driving the winding wheel to rotate. The moving frame 17 is provided with a bearing seat 18 at the top, and the drill bit 151 is arranged through the bearing seat 18. 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 15 and the slide rail 14 respectively. When the position of the rock drill 15 is adjusted by the pulling assembly, the position of the moving frame 17 on the slide rail 14 is adjusted by the two groups of displacement assemblies, so as to ensure that the bearing seat 18 stably supports the drill bit 151. 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.

[0019] The crushing assembly comprises a second mounting seat 19 arranged at the other mounting end of the supporting frame 11, a crushing gun 22 located outside the second mounting seat 19, a first connecting frame 21 arranged on the crushing gun 22, and a second linear push oil cylinder 20 arranged on the second mounting seat 19 and driving the first connecting frame 21 to move linearly. The crushing gun 22 is provided with a second connecting frame 23 at the rear, and the second connecting frame 23 is rotatably provided with a rolling wheel 24 rolling in contact with the second mounting seat 19. After the rock is drilled by the rock drill 15 in the drilling assembly, the rock drill 15 is turned away by the azimuth adjusting mechanism, the crushing gun 22 in the crushing assembly is aimed at the drilled hole, the first connecting frame 21 is driven by the second linear push oil cylinder 20 to move linearly forward, the first connecting frame 21 drives the crushing gun 22 to move forward, and the crushing gun 22 crushes the drilled hole. The crushing gun 22 accurately crushes the drilled hole. The rolling wheel 24 rolls on the second mounting seat 19, and when the crushing process is performed, the rolling wheel 24 can provide support, which is beneficial to effectively crush the rock by the crushing gun 22.

[0020] The engineering chassis 1 is provided with an adjusting arm mechanism for leveling the drilling assembly and the extruding and breaking assembly, and the engineering chassis 1 is selected from but not limited to a tracked chassis or a wheeled chassis; in the embodiment, the engineering chassis 1 is selected from a tracked chassis with strong passability. The adjusting arm mechanism comprises a slewing seat 2 rotatably arranged on the engineering chassis 1, a hydraulic motor arranged on the engineering chassis 1 and driving the slewing seat 2 to rotate, a supporting seat 3 arranged on the slewing seat 2, a leveling arm 4 hingedly connected at one end to the supporting seat 3, a first pushing oil cylinder 5 rotatably connected at two ends to the supporting seat 3 and the leveling arm 4 respectively, an adjusting arm 7 hingedly connected at the other end to the leveling arm 4 and arranged on a slewing driving mechanism 8, and a second pushing oil cylinder 6 rotatably connected at two ends to the leveling arm 4 and the adjusting arm 7 respectively. The slewing seat 2 can be driven to rotate by the hydraulic motor to adjust the working orientation. The adjusting arm 7 is adjusted to a horizontal state by adjusting the extension and retraction states of the first pushing oil cylinder 5 and the second pushing oil cylinder 6, so that the drilling assembly and the extruding and breaking assembly are distributed horizontally.

[0021] Further, the adjusting arm mechanism, the orientation adjusting mechanism, the drilling assembly and the extruding and breaking assembly are one-to-one corresponding and are provided in multiple groups, that is, the engineering chassis 1 is provided with multiple groups of adjusting arm mechanism structures according to actual needs. In the embodiment, only one group of adjusting arm mechanism, orientation adjusting mechanism, drilling assembly and extruding and breaking assembly is arranged on the engineering chassis 1 to realize miniaturization, thereby meeting the needs of construction in narrow spaces such as tunnels.

[0022] The rock drilling and extruding method of the rock drilling and extruding machine comprises the following steps:

[0023] S1, driving the engineering chassis 1 to the drilling operation area of the tunnel face, which is beneficial to ensure smooth and accurate construction in the subsequent process;

[0024] S2, adjusting the drilling assembly to a drilling position by the adjusting arm mechanism and the orientation adjusting mechanism. Specifically, the slewing seat 2 is driven to rotate by the hydraulic motor, the leveling arm 4 is lifted by the first pushing oil cylinder 5, the adjusting arm 7 is leveled by the second pushing oil cylinder 6, the drill bit 151 of the rock drilling gun 15 is aimed at the target drilling position, and drilling is performed by the drill bit 151.

[0025] S3, moving the drilling assembly away by the orientation adjusting mechanism, adjusting the extruding and breaking assembly to the previous drilling position, and performing extruding and breaking treatment on the drilling by the extruding and breaking gun 22. The rock is broken and excavated well, and the construction efficiency is high.

[0026] The embodiment is precise to break the working face by punching and breaking around the free face and then extruding and breaking. When the device works, the adjusting arm 7 is adjusted to be horizontal, the horizontal swing oil cylinder 9 and the vertical swing oil cylinder 10 cooperatively control the rock drilling gun 15 and the extruding and breaking gun 22 to punch vertically to the working face. The rock drilling and extruding and breaking machine is more widely applicable, can adapt to the conditions that the drilling and blasting method cannot be completely used, such as 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, and the construction efficiency can be greatly increased. The overall volume of the device is small, can adapt to small tunnel working conditions, and the flexibility of the device is increased through the rotary design, and the working requirements in different situations are met.

[0027] 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, various changes can be made within the knowledge range of the technical personnel in the technical field without departing from the purpose of the utility model.

Claims

1. An azimuth adjustment mechanism characterized by, The utility model relates to a drilling and breaking device for a tunneling machine, comprising: a support frame (11); a vertical swing cylinder (10) for driving the support frame (11) to rotate; a rotary drive mechanism (8); a horizontal swing cylinder (9) connected to the output end of the rotary drive mechanism (8) and used for driving the vertical swing cylinder (10) to rotate.

2. The orientation adjustment mechanism of claim 1, wherein, The support frame (11) has a "Y" shape structure and two symmetrical mounting ends at the top.

3. A rock drill extrusion breaker, characterized in that, The azimuth adjusting mechanism of claim 2 further comprises: a drilling assembly comprising a first mounting seat (12) arranged at one mounting end of the support frame (11), a sliding rail (14) slidingly arranged on the first mounting seat (12), a first linear push cylinder (13) arranged on the first mounting seat (12) and used for driving the sliding rail (14) to move linearly, a rock drill (15) arranged on the sliding rail (14), and an automatic rope retractor (16) arranged on the sliding rail (14) and used for adjusting the front and back positions of the rock drill (15), the rock drill (15) having a drill bit (151); a breaking assembly comprising a second mounting seat (19) arranged at the other mounting end of the support frame (11), a breaking gun (22) located outside the second mounting seat (19), a first connecting frame (21) arranged on the breaking gun (22), and a second linear push cylinder (20) arranged on the second mounting seat (19) and used for driving the first connecting frame (21) to move linearly; an engineering chassis (1) on which an adjusting arm mechanism for leveling the drilling assembly and the breaking assembly is arranged.

4. A rock extrusion press according to claim 3, characterised in that The automatic rope retractor (16) comprises a pulling assembly and a displacement mechanism, the pulling assembly comprising two winding wheels rotatably arranged on the sliding rail (14), a connecting rope wound on the two winding wheels, and a first motor arranged on the sliding rail (14) and drivingly connected to one winding wheel, the connecting rope being connected to the rock drill (15), the rock drill (15) having a rolling wheel at the bottom capable of rolling on the sliding rail (14); the displacement mechanism comprising two groups of displacement assemblies oppositely arranged, each displacement assembly comprising a rope, a moving frame (17), a rolling wheel rotatably arranged on the moving frame (17) and rollingly contacting the sliding rail (14), a winding wheel rotatably arranged on the moving frame (17), and a second motor arranged on the moving frame (17) and drivingly connected to the winding wheel, the moving frame (17) having a bearing seat (18) mounted at the top, the drill bit (151) being arranged through the bearing seat (18).

5. A rock extrusion press according to claim 3, wherein The breaking gun (22) is provided with a second connecting frame (23) at the rear, the second connecting frame (23) being rotatably provided with a rolling wheel (24), the rolling wheel (24) rollingly contacting the second mounting seat (19).

6. A rock extrusion press according to claim 3, wherein The adjusting arm mechanism comprises a slewing base (2) arranged on the engineering chassis (1), a hydraulic motor arranged on the engineering chassis (1) and driving the slewing base (2) to rotate, a supporting base (3) arranged on the slewing base (2), a leveling arm (4) hingedly connected at one end to the supporting base (3), a first pushing oil cylinder (5) rotatably connected at two ends to the supporting base (3) and the leveling arm (4) respectively, an adjusting arm (7) hingedly connected at one end to the leveling arm (4) and arranged on the slewing driving mechanism (8), and a second pushing oil cylinder (6) rotatably connected at two ends to the leveling arm (4) and the adjusting arm (7) respectively.

7. A rock extrusion press according to claim 6, characterised in that The adjusting arm mechanism, the orientation adjusting mechanism, the drilling assembly and the extruding and breaking assembly are one-to-one corresponding, and multiple sets are arranged.

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