Rotary rock drilling crushing machine

Abstract

The utility model relates to the field of tunnel construction, in particular to a rotary rock drilling crushing machine. The device comprises a rock drilling crushing mechanism and an engineering chassis, the first guide rail and the second guide rail are arranged on the mounting base in a sliding mode, the moving frame is connected with the first guide rail and the second guide rail, the pushing oil cylinder is arranged on the mounting base and drives the moving frame to move linearly, the rock drilling gun is located on one side of the first guide rail, and the crushing gun is located on one side of the second guide rail. The first driving mechanism is arranged on the first guide rail and drives the rock drilling gun to move linearly; the second driving mechanism is arranged on the second guide rail and drives the crushing gun to move linearly; and an adjusting arm mechanism for adjusting the position of the rock drilling crushing mechanism is arranged on the engineering chassis. According to the utility model, under the condition that the free face is hit, precise tunnel face crushing excavation is carried out in a manner of punching and crushing the periphery of the free face, so that the rock stratum crushing construction efficiency is improved.

Description

TECHNICAL FIELD

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

[0002] The drill and blast method is widely used in tunnel excavation of stone stratum construction, and the traditional construction mode is to use artificial air drill to drill holes and charge and blast, which has the characteristics of low construction cost but low efficiency. In order to ensure the excavation footage speed, multiple people need to hold the air drill to drill holes, and the safety of 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 working conditions of adjacent important buildings and cultural relics, close to underground pipelines and facilities, soft and poor geological areas, adjacent residential areas, high stress areas, high precision engineering and underwater engineering, the drill and blast method cannot be used completely for construction. In these 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 rotary rock drilling and breaking machine, which can drill holes around the free face and break the free face in the case of drilling the free face, so as to precisely break and excavate the working face, and the rock breaking construction efficiency is improved.

[0004] The technical scheme of the utility model, the rotary rock drilling and breaking machine, comprises a rock drilling and breaking mechanism and an engineering chassis; the rock drilling and breaking mechanism comprises a mounting seat, a first guide rail and a second guide rail which are slidably arranged on the mounting seat, a moving frame connected with the first guide rail and the second guide rail, a pushing cylinder arranged on the mounting seat and driving the moving frame to move linearly, a rock drilling gun located on one side of the first guide rail, a breaking gun located on one side of the second guide rail, a first driving mechanism arranged on the first guide rail and driving the rock drilling gun to move linearly, and a second driving mechanism arranged on the second guide rail and driving the breaking gun to move linearly; the engineering chassis is provided with an adjusting arm mechanism for adjusting the position of the rock drilling and breaking mechanism; the adjusting arm mechanism and the rock drilling and breaking mechanism are one-to-one corresponding and provided with multiple groups.

[0005] Preferably, the adjusting arm mechanism and the rock drilling and breaking mechanism are provided with two groups.

[0006] Preferably, the output end of the rock drilling gun is provided with a drill rod, the end portion of the first guide rail is provided with a drill rod holder, and the drill rod holder is provided with a through hole through which the drill rod passes.

[0007] Preferably, the mounting seat is a "Y" shaped structure, and the rock drilling gun and the breaking gun are respectively distributed on the outer sides of the two ends of the top of the "Y" shaped mounting seat.

[0008] Preferably, the first driving mechanism comprises a first hydraulic motor arranged on the first guide rail, a first sprocket connected with the output end of the first hydraulic motor, a second sprocket rotatably arranged on the first guide rail, a first chain meshingly sleeved on the first sprocket and the second sprocket, and a first moving table slidably arranged on the first guide rail and connected with the rock drilling gun, the first chain being connected with the first moving table; the second driving mechanism comprises a second hydraulic motor arranged on the second guide rail, a third sprocket connected with the output end of the second hydraulic motor, a fourth sprocket rotatably arranged on the second guide rail, a second chain meshingly sleeved on the third sprocket and the fourth sprocket, and a second moving table slidably arranged on the second guide rail and connected with the extruding gun, the second chain being connected with the second moving table.

[0009] Preferably, the first guide rail is slidably arranged on the mounting base through a first sliding block, the second guide rail is slidably arranged on the mounting base through a third sliding block, the first moving table is slidably arranged on the first guide rail through a second sliding block, and the second moving table is slidably arranged on the second guide rail through a fourth sliding block.

[0010] Preferably, the first sliding block, the second sliding block, the third sliding block and the fourth sliding block are all polytetrafluoroethylene wear-resistant sliding blocks.

[0011] Preferably, the adjusting arm 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 large arm and a first lower connecting rod rotatably connected with the rotating disc, a second lower connecting rod having two ends rotatably connected with the large arm and the first lower connecting rod, a first oil cylinder having two ends hingedly connected with the first lower connecting rod and the large arm, a connecting frame and a third upper connecting rod rotatably connected with the top of the large arm, a fourth upper connecting rod having two ends rotatably connected with the connecting frame and the third upper connecting rod, a second oil cylinder having two ends hingedly connected with the third upper connecting rod and the large arm, a telescopic arm connected with the connecting frame, an adjusting arm rotatably arranged at the outer end of the telescopic arm, an angle adjusting oil cylinder having two ends hingedly connected with the telescopic arm and the adjusting arm, and an orientation adjusting assembly for adjusting the orientation of the rock drilling and extruding mechanism.

[0012] Preferably, the orientation adjusting assembly comprises a rotating base arranged at the bottom of the mounting base, a connecting frame rotatably connected with the rotating base and the adjusting arm and having a mounting cavity, a third hydraulic motor arranged in the mounting cavity and driving the connecting frame to rotate on the adjusting arm, a fourth hydraulic motor arranged in the mounting cavity and driving the rotating base to rotate on the connecting frame, and a hydraulic control module arranged in the mounting cavity and controlling the first hydraulic motor, the second hydraulic motor, the third hydraulic motor and the fourth hydraulic motor.

[0013] Preferably, the telescopic arm comprises an arm cylinder, a sliding cylinder slidably arranged on the arm cylinder, and a telescopic oil cylinder arranged in the arm cylinder and driving the sliding cylinder to move linearly, the arm cylinder being connected with the connecting frame, and the sliding cylinder being hingedly connected with the angle adjusting oil cylinder.

[0014] Compared with the prior art, the utility model has the following beneficial technical effects:

[0015] The utility model discloses a mode of punching and extruding in the surrounding of the free face and precise face extrusion and excavation, improves the rock stratum broken construction efficiency, guarantees the worker safety during construction, and the construction condition is more flexible. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 For the structure schematic diagram of the embodiment of the utility model;

[0017] Figure 2 For the adjusting principle structure schematic diagram of the rock drill and the extruding gun;

[0018] Figure 3 For the adjusting principle of the big arm, telescopic arm and adjusting arm and the azimuth adjusting and moving adjusting principle structure schematic diagram of the rock drill and the extruding gun;

[0019] Figure 4 For the moving adjusting principle structure schematic diagram of the rock drill and the extruding gun.

[0020] Reference Signs: 1, mounting seat;2, moving frame;3, push oil cylinder;4, first guide rail;41, drill holder;5, first sliding block;6, rock drill;61, drill rod;7, first hydraulic motor;8, first moving table;9, second sliding block;10, second guide rail;11, third sliding block;12, extruding gun;13, second hydraulic motor;14, second moving table;15, fourth sliding block;16, rotary seat;17, connecting frame;18, hydraulic control module;19, adjusting arm;20, rotating disc;21, big arm;22, first lower connecting rod;23, second lower connecting rod;24, first oil cylinder;25, link frame;26, third upper connecting rod;27, fourth upper connecting rod;28, second oil cylinder;29, telescopic arm;30, angle adjusting oil cylinder;31, engineering chassis. DETAILED DESCRIPTION

[0021] Embodiment one

[0022] As Figures 1-4 The utility model discloses a rotary rock extruding machine, including rock extruding mechanism and engineering chassis 31.

[0023] The rock drilling and breaking mechanism comprises a mounting base 1, a first guide rail 4 and a second guide rail 10 slidably arranged on the mounting base 1, a moving frame 2 connected with the first guide rail 4 and the second guide rail 10, a pushing oil cylinder 3 arranged on the mounting base 1 and driving the moving frame 2 to move linearly, a rock drilling gun 6 located at one side of the first guide rail 4, a breaking gun 12 located at one side of the second guide rail 10, a first driving mechanism arranged on the first guide rail 4 and driving the rock drilling gun 6 to move linearly, and a second driving mechanism arranged on the second guide rail 10 and driving the breaking gun 12 to move linearly. The rock drilling gun 6 is provided with a drill rod 61 at an output end. The pushing oil cylinder 3 can drive the moving frame 2 to move, so as to realize the simultaneous movement of the rock drilling gun 6 and the breaking gun 12. The rock drilling gun 6 can drive the drill rod 61 to rotate. Under the driving action of the first driving mechanism, the drill rod 61 can rotate into the rock to perform drilling construction. Under the driving action of the second driving mechanism, the breaking gun 12 can break the rock at the drilling position.

[0024] The mounting base 1 is in a "Y" shape structure. The rock drilling gun 6 and the breaking gun 12 are respectively distributed at the two outer sides of the top of the "Y" shaped mounting base 1. After the drilling of the rock drilling gun 6 is completed, the breaking gun 12 can be conveniently adjusted to the position of the rock drilling gun 6. The breaking gun 12 is used to break the rock at the drilling position.

[0025] The first driving mechanism comprises a first hydraulic motor 7 arranged on the first guide rail 4, a first sprocket wheel connected with an output end of the first hydraulic motor 7, a second sprocket wheel rotatably arranged on the first guide rail 4, a first chain engaged and sleeved on the first sprocket wheel and the second sprocket wheel, and a first moving table 8 slidably arranged on the first guide rail 4 and connected with the rock drilling gun 6. The first chain is connected with the first moving table 8. The first hydraulic motor 7 can drive the first sprocket wheel to rotate forward and reversely. The first sprocket wheel drives the first chain to move. The first chain drives the first moving table 8 to move. The first moving table 8 drives the rock drilling gun 6 to move, so as to perform the rock drilling construction.

[0026] The second driving mechanism comprises a second hydraulic motor 13 arranged on the second guide rail 10, a third sprocket wheel connected with an output end of the second hydraulic motor 13, a fourth sprocket wheel rotatably arranged on the second guide rail 10, a second chain engaged and sleeved on the third sprocket wheel and the fourth sprocket wheel, and a second moving table 14 slidably arranged on the second guide rail 10 and connected with the breaking gun 12. The second chain is connected with the second moving table 14. Similar to the driving principle of the first driving mechanism, the second hydraulic motor 13 can drive the third sprocket wheel to rotate forward and reversely, so as to realize the linear movement of the breaking gun 12 and perform the rock breaking construction.

[0027] As Figure 4As shown, the first guide rail 4 is slidably arranged on the mounting base 1 through the first sliding block 5, the second guide rail 10 is slidably arranged on the mounting base 1 through the third sliding block 11, the first moving table 8 is slidably arranged on the first guide rail 4 through the second sliding block 9, and the second moving table 14 is slidably arranged on the second guide rail 10 through the fourth sliding block 15, so that each sliding part can smoothly slide. The first sliding block 5, the second sliding block 9, the third sliding block 11 and the fourth sliding block 15 are all polytetrafluoroethylene wear-resistant sliding blocks, so that the service life is longer.

[0028] The engineering chassis 31 is selected from but not limited to a tracked chassis or a wheeled chassis, and the engineering chassis 31 has a cab in which a worker can control the rotary rock drilling and breaking machine. The engineering chassis 31 is provided with an adjusting arm mechanism for adjusting the position of the rock drilling and breaking mechanism. The adjusting arm mechanism and the rock drilling and breaking mechanism are in one-to-one correspondence and are provided with multiple groups. In this embodiment, the adjusting arm mechanism and the rock drilling and breaking mechanism are both provided with two groups, that is, two sets of adjusting arm mechanisms are provided on the engineering chassis 31, two workers can simultaneously control the machine in the cab, one worker controls a set of adjusting arm mechanism and rock drilling and breaking mechanism, and the other worker controls another set of adjusting arm mechanism and rock drilling and breaking mechanism, so that the rock drilling and breaking efficiency is effectively improved.

[0029] In this embodiment, the rock stratum is broken and excavated by drilling and breaking around the free face in the case of the free face, so that the rock stratum breaking efficiency is improved. First, the rotary rock drilling and breaking machine is driven to the position close to the tunnel face by the engineering chassis 31, the adjusting arm mechanism and the rock drilling and breaking mechanism are controlled, the rock drilling and breaking mechanism is close to the bottom or middle part of the face, and a dense hole is drilled along the bottom or middle axis position by the rock drilling gun 6 to form a free face; then distributed drilling and breaking is performed on the free face with an interval of one meter, or other intervals, as long as the rock can be effectively drilled and broken. The rotary rock drilling and breaking machine can ensure the safety of the workers during construction, and the construction conditions are more flexible, and can be used in the working conditions of adjacent important buildings and cultural relics, close to underground pipelines and facilities, soft and poor geological areas, adjacent residential areas, high stress areas, high precision engineering and underwater engineering.

[0030] Embodiment two

[0031] As Figures 1-4Compared with the first embodiment, the adjusting arm mechanism in the embodiment comprises a rotating disc 20 rotatably arranged on the engineering chassis 31, a hydraulic motor arranged on the engineering chassis 31 and driving the rotating disc 20 to rotate, a large arm 21 and a first lower connecting rod 22 rotatably connected with the rotating disc 20, a second lower connecting rod 23 having two ends rotatably connected with the large arm 21 and the first lower connecting rod 22, a first oil cylinder 24 hingedly connected with the first lower connecting rod 22 and the large arm 21, a connecting frame 25 and a third upper connecting rod 26 rotatably connected with the top of the large arm 21, a fourth upper connecting rod 27 having two ends rotatably connected with the connecting frame 25 and the third upper connecting rod 26, a second oil cylinder 28 hingedly connected with the third upper connecting rod 26 and the large arm 21, an extension arm 29 connected with the connecting frame 25, an adjusting arm 19 rotatably arranged at the outer end of the extension arm 29, an angle adjusting oil cylinder 30 hingedly connected with the extension arm 29 and the adjusting arm 19, and an azimuth adjusting assembly for adjusting the azimuth of the rock drilling and extruding mechanism. The rotating disc 20 is driven to rotate by the hydraulic motor, so as to adjust the azimuth of the adjusting arm mechanism. The large arm 21 is lowered or lifted by the extension and retraction of the first oil cylinder 24, and the extension arm 29 is lifted or lowered by the extension and retraction of the second oil cylinder 28. The azimuth of the adjusting arm 19 is adjusted by the extension and retraction of the angle adjusting oil cylinder 30.

[0032] The extension arm 29 comprises an arm cylinder, a sliding cylinder slidably arranged in the arm cylinder, and an extension oil cylinder arranged in the arm cylinder and driving the sliding cylinder to move linearly. The arm cylinder is connected with the connecting frame 25, and the sliding cylinder is hingedly connected with the angle adjusting oil cylinder 30. According to the construction requirement, the extension oil cylinder is used to adjust the overall length of the extension arm 29.

[0033] As shown in the figure, Figure 3 The azimuth adjusting assembly comprises a rotating seat 16 arranged at the bottom of the mounting seat 1, a connecting frame 17 rotatably connected with the rotating seat 16 and the adjusting arm 19 and having a mounting cavity, a third hydraulic motor arranged in the mounting cavity and driving the connecting frame 17 to rotate on the adjusting arm 19, a fourth hydraulic motor arranged in the mounting cavity and driving the rotating seat 16 to rotate on the connecting frame 17, and a hydraulic control module 18 arranged in the mounting cavity and controlling the first hydraulic motor 7, the second hydraulic motor 13, the third hydraulic motor and the fourth hydraulic motor. The rotating center axis of the connecting frame 17 is perpendicular to the rotating center axis of the rotating seat 16. The adjusting arm 19 has a rotating cylinder portion rotatably connected with the connecting frame 17. When the connecting frame 17 rotates on the adjusting arm 19, the extruding gun 12 can be rotated to the azimuth of the previous rock drilling gun 6, so that the extruding gun 12 can be aimed at the drill hole drilled by the rock drilling gun 6 in the subsequent process, and the rock extruding construction is performed at the drill hole. The hydraulic control module 18 is connected with a main pipe, and the hydraulic drive of each component is connected. The pipeline is simple, and the excessive and long oil pipes from bottom to top can be avoided, so that the winding condition during rotation is prevented.

[0034] The embodiment adjusts the position of the rock drilling and extruding mechanism through each oil cylinder and hydraulic motor, the existence of the multi-rotation joint can make the working range wider, the construction condition more flexible, and the working demand under various working conditions can be completed.

[0035] The embodiment of the utility model has been explained in detail in combination with the drawings above, but the utility model is not limited to this, within the knowledge range of the technical personnel in the technical field, various changes can be made without departing from the purpose of the utility model.

Claims

1. A rotary rock drill extrusion crusher, characterized in that, The invention relates to a rock drilling and breaking mechanism, comprising a mounting base (1), a first guide rail (4) and a second guide rail (10) slidingly arranged on the mounting base (1), a moving frame (2) connected with the first guide rail (4) and the second guide rail (10), a pushing cylinder (3) arranged on the mounting base (1) and driving the moving frame (2) to move linearly, a rock drilling gun (6) arranged on one side of the first guide rail (4), a breaking gun (12) arranged on one side of the second guide rail (10), a first driving mechanism arranged on the first guide rail (4) and driving the rock drilling gun (6) to move linearly, and a second driving mechanism arranged on the second guide rail (10) and driving the breaking gun (12) to move linearly. An engineering chassis (31) is arranged with an adjusting arm mechanism for adjusting the position of the rock drilling and breaking mechanism. The adjusting arm mechanism and the rock drilling and breaking mechanism are arranged in two groups.

2. A rotary rock drilling and crushing apparatus as claimed in claim 1, characterized in that The rock drilling gun (6) has a drill rod (61) at the output end, and the first guide rail (4) has a drill rod holder (41) at the end, which has a through hole for the drill rod (61) to pass through.

3. A rotary rock drilling and crushing apparatus as claimed in claim 1, characterized in that, The mounting base (1) is a "Y" shaped structure, and the rock drilling gun (6) and the breaking gun (12) are respectively arranged at the two ends of the top of the "Y" shaped mounting base (1).

4. A rotary rock drilling and crushing apparatus as claimed in claim 1, characterized in that, The first driving mechanism comprises a first hydraulic motor (7) arranged on the first guide rail (4), a first sprocket connected with the output end of the first hydraulic motor (7), a second sprocket rotatably arranged on the first guide rail (4), a first chain meshingly sleeved on the first sprocket and the second sprocket, and a first moving table (8) slidingly arranged on the first guide rail (4) and connected with the rock drilling gun (6), and the first chain is connected with the first moving table (8); the second driving mechanism comprises a second hydraulic motor (13) arranged on the second guide rail (10), a third sprocket connected with the output end of the second hydraulic motor (13), a fourth sprocket rotatably arranged on the second guide rail (10), a second chain meshingly sleeved on the third sprocket and the fourth sprocket, and a second moving table (14) slidingly arranged on the second guide rail (10) and connected with the breaking gun (12), and the second chain is connected with the second moving table (14).

5. A rotary rock bit as defined in claim 1 wherein, The first guide rail (4) is slidingly arranged on the mounting base (1) through a first sliding block (5), the second guide rail (10) is slidingly arranged on the mounting base (1) through a third sliding block (11), the first moving table (8) is slidingly arranged on the first guide rail (4) through a second sliding block (9), and the second moving table (14) is slidingly arranged on the second guide rail (10) through a fourth sliding block (15).

6. A rotary rock drilling and breaking apparatus as claimed in claim 5, characterized in that The first sliding block (5), the second sliding block (9), the third sliding block (11) and the fourth sliding block (15) are all polytetrafluoroethylene wear-resistant sliding blocks.

7. A rotary rock drilling and breaking apparatus as claimed in claim 6, characterized in that ​ 8. A rotary rock drilling and crushing apparatus as claimed in claim 5, characterized in that The adjusting arm mechanism comprises a rotating disc (20) rotatably arranged on the engineering chassis (31), a hydraulic motor arranged on the engineering chassis (31) and driving the rotating disc (20) to rotate, a large arm (21) and a first lower connecting rod (22) rotatably connected with the rotating disc (20), a second lower connecting rod (23) having two ends rotatably connected with the large arm (21) and the first lower connecting rod (22) respectively, a first oil cylinder (24) having two ends hingedly connected with the first lower connecting rod (22) and the large arm (21) respectively, a connecting frame (25) and a third upper connecting rod (26) rotatably connected with the top of the large arm (21), a fourth upper connecting rod (27) having two ends rotatably connected with the connecting frame (25) and the third upper connecting rod (26) respectively, a second oil cylinder (28) having two ends hingedly connected with the third upper connecting rod (26) and the large arm (21) respectively, a telescopic arm (29) connected with the connecting frame (25), an adjusting arm (19) rotatably arranged at the outer end of the telescopic arm (29), an angle adjusting oil cylinder (30) hingedly connected with the telescopic arm (29) and the adjusting arm (19) respectively, and a position adjusting assembly for adjusting the position of the rock drilling and crushing mechanism.

9. A rotary rock drilling and breaking apparatus as claimed in claim 8, characterized in that The position adjusting assembly comprises a rotating base (16) arranged at the bottom of the mounting seat (1), a connecting frame (17) rotatably connected with the rotating base (16) and the adjusting arm (19) and having a mounting cavity, a third hydraulic motor arranged in the mounting cavity and driving the connecting frame (17) to rotate on the adjusting arm (19), a fourth hydraulic motor arranged in the mounting cavity and driving the rotating base (16) to rotate on the connecting frame (17), and a hydraulic control module (18) arranged in the mounting cavity and controlling the first hydraulic motor (7), the second hydraulic motor (13), the third hydraulic motor and the fourth hydraulic motor.

10. A rotary rock drilling and breaking apparatus as claimed in claim 8, characterized in that The telescopic arm (29) comprises an arm cylinder, a sliding cylinder slidably arranged in the arm cylinder, and a telescopic oil cylinder arranged in the arm cylinder and driving the sliding cylinder to move linearly, the arm cylinder is connected with the connecting frame (25), and the sliding cylinder is hingedly connected with the angle adjusting oil cylinder (30).

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