阅读说明：本技术 钻孔劈裂机 (Drilling splitting machine ) 是由 陈传洪 罗雪 钟宣阳 李群峰 田怀波 黄仁宝 李祥忠 于 2021-06-09 设计创作，主要内容包括：本发明提供的钻孔劈裂机,包括钻架、第一滑座、钻筒、钻杆和劈裂机；所述钻架顶面沿其长度方向滑动设有第一滑座,所述第一滑座顶面设有钻筒,所述钻筒与第一滑座转动连接,所述钻筒内同轴设置所述钻杆,所述钻杆与钻筒转动连接；所述第一滑座上还设有钻削驱动装置,所述钻削驱动装置分别与钻筒和钻杆传动连接,所述钻削驱动装置与第一滑座共同作用,以驱动所述钻筒完成圆孔缝施作及钻杆完成芯孔钻取；所述钻架底面和/或侧面设有安装架,所述安装架内设有可沿钻架长度方向伸缩运动的劈裂机,所述劈裂机用于伸入所述芯孔完成劈裂作业。将钻筒、钻杆和劈裂机集成一体,以通过一个设备完成圆孔缝施作、芯孔钻取及芯孔劈裂作业。(The invention provides a drilling splitting machine which comprises a drill frame, a first sliding seat, a drill barrel, a drill rod and a splitting machine, wherein the drill frame is arranged on the drill barrel; the top surface of the drill frame is provided with a first sliding seat in a sliding manner along the length direction, the top surface of the first sliding seat is provided with a drill barrel, the drill barrel is rotatably connected with the first sliding seat, the drill rod is coaxially arranged in the drill barrel, and the drill rod is rotatably connected with the drill barrel; the first sliding seat is also provided with a drilling driving device, the drilling driving device is respectively in transmission connection with the drilling barrel and the drill rod, and the drilling driving device and the first sliding seat act together to drive the drilling barrel to finish the operation of the circular hole seam and drill the core hole of the drill rod; the splitting machine is characterized in that a mounting frame is arranged on the bottom surface and/or the side surface of the drill frame, a splitting machine capable of performing telescopic motion along the length direction of the drill frame is arranged in the mounting frame, and the splitting machine is used for extending into the core hole to complete splitting operation. The drilling barrel, the drill rod and the splitting machine are integrated into a whole, so that the operations of circular hole seam construction, core hole drilling and core hole splitting are completed through one device.)

1. A drilling and splitting machine is characterized by comprising a drill frame (1), a first sliding seat (2), a drill barrel (3), a drill rod (4) and a splitting machine (5); the top surface of the drilling frame (1) is provided with a first sliding seat (2) in a sliding manner along the length direction, the top surface of the first sliding seat (2) is provided with a drilling barrel (3), the drilling barrel (3) is rotatably connected with the first sliding seat (2), the drilling rod (4) is coaxially arranged in the drilling barrel (3), and the drilling rod (4) is rotatably connected with the drilling barrel (3); the first sliding seat (2) is further provided with a drilling driving device (9), the drilling driving device (9) is in transmission connection with the drilling barrel (3) and the drill rod (4) respectively, and the drilling driving device (9) and the first sliding seat (2) act together to drive the drilling barrel (3) to finish circular hole seam construction and drill the drill rod (4) to finish core hole drilling; the splitting machine is characterized in that a mounting frame (13) is arranged on the bottom surface and/or the side surface of the drill frame (1), a splitting machine (5) capable of performing telescopic motion along the length direction of the drill frame (1) is arranged in the mounting frame (13), and the splitting machine (5) is used for extending into the core hole to complete splitting operation.

2. The drilling splitter according to claim 1, characterized in that the drilling drive means (9) comprise a gear transmission mechanism, a sprocket transmission mechanism, a spindle (92) and a drive motor (91); the rotary shaft (92) is rotatably connected with the first sliding seat (2), the gear transmission mechanism is arranged between the drilling barrel (3) and the rotary shaft (92), the chain wheel transmission mechanism is arranged between the drill rod (4) and the rotary shaft (92), and the driving motor (91) is in transmission connection with the gear transmission mechanism and the chain wheel transmission mechanism through the rotary shaft (92) simultaneously so as to be used for driving the drilling barrel (3) and the drill rod (4) to rotate simultaneously.

3. The drill hole cleaving machine according to claim 2, characterized in that the gear ratio of the gear transmission is larger than the gear ratio of the sprocket transmission such that the drill drum (3) rotational speed is smaller than the drill rod (4) rotational speed.

4. The drilling and splitting machine according to claim 3, characterized in that the tail of the drill cylinder (3) is provided with a hollow shaft (31); the gear transmission mechanism comprises a driving gear (93) and a driven gear (94), the driving gear (93) is sleeved on the periphery of the rotating shaft (92), the driven gear (94) is sleeved on the periphery of the hollow shaft (31), and the driving gear (93) is in meshing transmission with the driven gear (94); drilling rod (4) tail end warp behind hollow shaft (31) are worn out and are rotated with first slide (2) and be connected, sprocket drive mechanism includes drive sprocket (95) and driven sprocket (96), driven sprocket (96) are established to drilling rod (4) tail end periphery cover, drive sprocket (95) are still established to pivot (92) periphery cover, drive sprocket (95) are connected through chain drive with driven sprocket (96).

5. The drilling and splitting machine according to claim 4, characterized in that the front end of the drill frame (1) is further provided with a front support frame (6); a first rear supporting frame (21), a second rear supporting frame (22) and a third rear supporting frame (23) are sequentially arranged on the top surface of the first sliding seat (2); the drill barrel (3) is arranged between the front support frame (6) and the first rear support frame (21); the hollow shaft (31) penetrates through the first rear supporting frame (21) and the second rear supporting frame (22) at the same time, and the gear transmission mechanism is clamped between the first rear supporting frame (21) and the second rear supporting frame (22); the tail end of the drill rod (4) penetrates through the third rear supporting frame (23) after penetrating out of the hollow shaft (31), and the chain wheel transmission mechanism is clamped between the second rear supporting frame (22) and the third rear supporting frame (23); and the rotating shaft (92) penetrates through the first rear supporting frame (21), the second rear supporting frame (22) and the third supporting frame and then is in transmission connection with the driving motor (91).

6. The drilling and splitting machine according to claim 5, characterized in that a major arc support (61) is arranged at the top end of the front support frame (6), a plurality of rollers (62) are arranged on the major arc support (61) along the circumference of the major arc support, and all the rollers (62) are respectively connected with the barrel body of the drill barrel (3) in a rolling manner.

7. The drilling and splitting machine according to claim 1, characterized in that the perpendicular distance between the axis of the splitting machine (5) and the axis of the drill barrel (3) is 0.8-1 times the diameter of the drill barrel (3).

8. The drilling splitting machine according to claim 1, characterized in that a feed screw (11) is rotatably connected in the drill frame (1), a screw nut is connected to the outer circumference of the feed screw (11) in a threaded manner, the screw nut is connected with the first slide (2), a screw motor (12) is arranged at the tail end of the drill frame (1), and the screw motor (12) is in transmission connection with the feed screw (11).

9. The drilling and splitting machine according to any one of claims 1 to 8, wherein a second slide (7) is slidably connected to the bottom surface of the drill frame (1), the second slide (7) slides along the length direction of the drill frame (1), and an oil cylinder (71) is connected between the second slide (7) and the drill frame (1).

10. The drilling and splitting machine according to claim 9, characterized in that a movable arm (8) is connected to the bottom surface of the second slide (7).

Technical Field

The invention relates to the field of engineering machinery, in particular to a drilling splitting machine.

Background

In 2019, 6 and 28, my company applies for a Chinese patent of invention with publication number CN110410097B, namely 'an engineering tunnel construction method', so that in engineering tunnel construction, energy consumption is reduced, and tunneling efficiency is improved. The method specifically comprises the following steps: s1, dividing the tunnel construction cross section into a first operation area and a second operation area, wherein the first operation area forms an annular area along the edge of the tunnel construction cross section, and the second operation area is surrounded by the first operation area; s2, sequentially processing a plurality of circular hole seams in the first operation area, wherein the circular hole seams are tangent or intersected, a core hole is processed in the circle center of each circular hole seam, and the earth-rock structure in the middle of each circular hole seam is continuously left on the tunnel; s3, extending a swelling rod into the core hole, and removing the middle part of the earth-rock structure of all the circular hole seams from the tunnel by adopting a swelling method; and S4, removing the earth and stone structure in the second operation area.

In the prior art, multiple devices are required to be matched to complete the construction method of the engineering tunnel, each device needs to be operated independently, the positioning is adjusted independently, the operation is complex, and the construction period is long.

Disclosure of Invention

Aiming at the defects in the prior art, the drilling splitting machine provided by the invention solves the technical problems that multiple devices are required in the construction of the existing engineering tunnel, each device needs to be operated independently, the positioning is adjusted independently, the operation is complex, and the construction period is long.

In order to achieve the purpose, the invention is realized by the following technical scheme:

a drilling splitting machine comprises a drill frame, a first sliding seat, a drill barrel, a drill rod and a splitting machine; the top surface of the drill frame is provided with a first sliding seat in a sliding manner along the length direction, the top surface of the first sliding seat is provided with a drill barrel, the drill barrel is rotatably connected with the first sliding seat, the drill rod is coaxially arranged in the drill barrel, and the drill rod is rotatably connected with the drill barrel; the first sliding seat is also provided with a drilling driving device, the drilling driving device is respectively in transmission connection with the drilling barrel and the drill rod, and the drilling driving device and the first sliding seat act together to drive the drilling barrel to finish the operation of the circular hole seam and drill the core hole of the drill rod; the splitting machine is characterized in that a mounting frame is arranged on the bottom surface and/or the side surface of the drill frame, a splitting machine capable of performing telescopic motion along the length direction of the drill frame is arranged in the mounting frame, and the splitting machine is used for extending into the core hole to complete splitting operation.

Optionally, the drilling driving device comprises a gear transmission mechanism, a sprocket transmission mechanism, a rotating shaft and a driving motor; the pivot rotates with first slide to be connected, gear drive sets up between boring a section of thick bamboo and pivot, sprocket drive sets up between drilling rod and pivot, driving motor passes through the pivot is connected with gear drive and sprocket drive transmission simultaneously to be used for the simultaneous drive bore a section of thick bamboo with the drilling rod is rotatory.

Optionally, the gear ratio of the gear transmission is greater than the gear ratio of the sprocket transmission such that the drill drum rotational speed is less than the drill rod rotational speed.

Optionally, a hollow shaft is arranged at the tail part of the drill cylinder; the gear transmission mechanism comprises a driving gear and a driven gear, the driving gear is sleeved on the periphery of the rotating shaft, the driven gear is sleeved on the periphery of the hollow shaft, and the driving gear is in meshing transmission with the driven gear; the drilling rod tail end warp the hollow shaft is worn out the back and is rotated with first slide and be connected, sprocket drive mechanism includes drive sprocket and driven sprocket, driven sprocket is established to drilling rod tail end periphery cover, drive sprocket is still established to the cover in the pivot periphery, drive sprocket passes through chain drive with driven sprocket and is connected.

Optionally, the front end of the drill frame is also provided with a front support frame; a first rear support frame, a second rear support frame and a third rear support frame are sequentially arranged on the top surface of the first sliding seat; the drill cylinder is arranged between the front support frame and the first rear support frame; the hollow shaft penetrates through the first rear supporting frame and the second rear supporting frame simultaneously, and the gear transmission mechanism is clamped between the first rear supporting frame and the second rear supporting frame; the tail end of the drill rod penetrates through the third rear support frame after penetrating out of the hollow shaft, and the chain wheel transmission mechanism is clamped between the second rear support frame and the third rear support frame; and the rotating shaft penetrates through the first rear supporting frame, the second rear supporting frame and the third supporting frame and then is in transmission connection with the driving motor.

Optionally, the top end of the front support frame is provided with a major arc support, the major arc support is provided with a plurality of rollers along the circumference thereof, and all the rollers are respectively in rolling connection with the barrel body of the drill barrel.

Optionally, the vertical distance between the axis of the splitter and the axis of the drill barrel is 0.8-1 times the diameter of the drill barrel.

Optionally, a feed screw rod is connected in the drill frame in a rotating mode, a feed screw nut is connected to the periphery of the feed screw rod in a threaded mode, the feed screw nut is connected with the first sliding seat, a screw rod motor is arranged at the tail end of the drill frame, and the screw rod motor is in transmission connection with the feed screw rod.

Optionally, the bottom surface of the drilling rig is further connected with a second sliding seat in a sliding manner, the second sliding seat slides along the length direction of the drilling rig, and an oil cylinder is connected between the second sliding seat and the drilling rig.

Optionally, a movable arm is connected to the bottom surface of the second sliding seat.

According to the technical scheme, the invention has the beneficial effects that:

1) integrating a drilling barrel, a drill rod and a splitting machine into a whole so as to finish the operations of circular hole seam construction, core hole drilling and core hole splitting by one device;

2) during construction, a drill rod is firstly drilled and embedded into a rock wall in one step to apply pre-pressure to soil and stones in the middle of a circular seam so as to position the feeding direction of a drill cylinder and realize the positioning and guiding effect;

3) the drilling rod can be synchronously fed along with the drill cylinder, and the core hole drilling is synchronously completed while the circular hole seam is completed, so that the situation that the drill rod needs to be independently positioned when the circular hole seam is firstly formed and then the core hole is formed is avoided, the workload is reduced, and the construction period is shortened;

4) because the drill rod is embedded into the rock wall, the soil and stones in the middle of the circular seam are prevented from shaking left and right to shift, and further the radial force applied to the inner wall of the drill cylinder due to the shift of the soil and stones in the middle is prevented, so that the cylinder wall load during drilling of the drill cylinder is reduced, and drilling is smoother.

Drawings

In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a schematic perspective view of the drilling and splitting machine of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is a schematic structural view of a front support frame according to the present invention;

FIG. 5 is a schematic view of the drilling drive of the present invention;

FIG. 6 is a schematic structural diagram of another embodiment of the drilling/splitting machine of the present invention;

reference numerals:

1-a drill frame, 2-a first slide seat, 3-a drill cylinder, 4-a drill rod, 5-a splitter, 6-a preposed support frame, 7-a second slide seat, 8-a movable arm and 9-a drilling driving device;

11-a feeding screw rod, 12-a screw rod motor, 13-a mounting rack, 21-a first rear support frame, 22-a second rear support frame, 23-a third rear support frame, 31-a hollow shaft, 61-a major arc support, 62-a roller, 71-an oil cylinder, 91-a driving motor, 92-a rotating shaft, 93-a driving gear, 94-a driven gear, 95-a driving chain wheel and 96-a driven chain wheel.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

Referring to fig. 1, the drilling and splitting machine provided by the present invention includes a drill frame, a first slide seat, a drill barrel 3, a drill rod 4 and a splitting machine 5. The drill jig is characterized in that a first sliding seat is arranged on the top surface of the drill jig in a sliding mode along the length direction of the drill jig, a drill barrel 3 is arranged on the top surface of the first sliding seat, the drill barrel 3 is rotatably connected with the first sliding seat, a drill rod 4 is coaxially arranged in the drill barrel 3, and the drill rod 4 is rotatably connected with the drill barrel 3. The first sliding seat is further provided with a drilling driving device 9, the drilling driving device 9 is in transmission connection with the drilling barrel 3 and the drill rod 4 respectively, and the drilling driving device 9 and the first sliding seat act together to drive the drilling barrel 3 to complete circular hole seam construction and drive the drill rod 4 to complete core hole drilling. The bottom surface and/or the side surface of the drill frame are/is provided with a mounting frame 13, a splitter 5 capable of performing telescopic motion along the length direction of the drill frame is arranged in the mounting frame 13, and the splitter 5 is used for extending into the core hole to complete splitting operation. The drilling jig is characterized in that a feeding screw rod 11 is rotationally connected in the drilling jig, a screw nut is connected to the periphery of the feeding screw rod 11 in a threaded mode, the screw nut is connected with the first sliding seat, a screw rod motor 12 is arranged at the tail end of the drilling jig, and the screw rod motor 12 is in transmission connection with the feeding screw rod 11 and used for driving the first sliding seat and a drilling barrel 3 and a drilling rod 4 which are arranged on the first sliding seat to feed.

According to the invention, a drilling barrel 3, a drill rod 4 and a splitting machine 5 are integrated into a whole, so that the operations of circular hole seam construction, core hole drilling and core hole splitting are completed through one device; during construction, the drill rod 4 is firstly drilled and embedded into the rock wall in one step to apply pre-pressure to soil and stones in the middle of the circular seam so as to position the feeding direction of the drill cylinder 3 and realize the positioning and guiding effect; the round hole seam and the core hole are formed by one-time positioning, namely the drill rod 4 is synchronously fed along with the drill barrel 3, the core hole is synchronously drilled while the round hole seam is formed, the condition that the drill rod 4 needs to be independently positioned when the round hole seam is formed and then the core hole is formed is avoided, the workload is reduced, and the construction period is shortened; because the drill rod 4 is embedded into the rock wall, the soil and stones in the middle of the circular seam are prevented from shaking left and right to shift, and further the radial force applied to the inner wall of the drill barrel 3 due to the shift of the soil and stones in the middle is prevented, so that the barrel wall load during drilling of the drill barrel 3 is reduced, and drilling is smoother.

As a further improvement to the above solution, please refer to fig. 2, 3 and 5, the drilling driving device 9 includes a gear transmission mechanism, a sprocket transmission mechanism, a rotating shaft 92 and a driving motor 91; the rotating shaft 92 is rotatably connected with the first sliding seat, the gear transmission mechanism is arranged between the drilling barrel 3 and the rotating shaft 92, the chain wheel transmission mechanism is arranged between the drill rod 4 and the rotating shaft 92, and the driving motor 91 is simultaneously in transmission connection with the gear transmission mechanism and the chain wheel transmission mechanism through the rotating shaft 92 so as to simultaneously drive the drilling barrel 3 and the drill rod 4 to rotate through one motor. Specifically, the tail part of the drilling barrel 3 is provided with a hollow shaft 31; the gear transmission mechanism comprises a driving gear 93 and a driven gear 94, the driving gear 93 is sleeved on the periphery of the rotating shaft 92, the driven gear 94 is sleeved on the periphery of the hollow shaft 31, and the driving gear 93 is in meshing transmission with the driven gear 94; 4 tail ends of drilling rod warp the hollow shaft 31 is worn out the back and is connected with first slide rotation, sprocket drive mechanism includes drive sprocket 95 and driven sprocket 96, driven sprocket 96 is established to 4 tail end periphery covers of drilling rod, drive sprocket 95 is still established to the cover in pivot 92 periphery, drive sprocket 95 passes through chain drive with driven sprocket 96 and is connected. Preferably, the gear ratio of the gear transmission is greater than that of the sprocket transmission, so that the rotation speed of the drill drum 3 is less than that of the drill rod 4. Through differentiated rotation speed setting, on one hand, the drilling barrel rotates at a relatively low speed to obtain a large torque, and stable tunneling is further ensured; on the other hand for the drilling rod rotates in order to strengthen its drill bit cutting force at a high speed relatively, because drilling rod structural strength is less than drill barrel structural strength, and drilling rod and drill barrel synchronous feed, so through improving the drilling rod cutting force with the rock wall of guaranteeing core hole the place ahead than the rock wall of round hole seam the earlier broken, reduce the drilling rod risk of breaking.

As a further improvement of the scheme, the front end of the drill frame is also provided with a front support frame 6. In one embodiment, referring to fig. 4, a major arc support 61 is disposed at the top end of the front support frame 6, a plurality of rollers 62 are disposed on the major arc support 61 along the circumference thereof, and all the rollers 62 are respectively in rolling connection with the barrel body of the drill barrel 3. The front end of the drilling barrel 3 is coated by the major arc, so that the drilling barrel 3 is prevented from jumping during drilling and feeding, and the bending shear stress of the connecting position of the tail part of the drilling barrel 3 and the drilling driving device 9 is reduced. The friction resistance between the drill barrel 3 and the major arc support 61 during rotation is reduced by the rollers 62.

In one embodiment, referring to fig. 5, a first rear support frame 21, a second rear support frame 22 and a third rear support frame 23 are sequentially disposed on the top surface of the first carriage; the drill barrel 3 is arranged between the front support frame 6 and the first rear support frame 21; the hollow shaft 31 penetrates through the first rear support frame 21 and the second rear support frame 22 at the same time, and the gear transmission mechanism is clamped between the first rear support frame 21 and the second rear support frame 22; the tail end of the drill rod 4 penetrates through the third rear supporting frame 23 after penetrating out of the hollow shaft 31, and the chain wheel transmission mechanism is clamped between the second rear supporting frame 22 and the third rear supporting frame 23; the rotating shaft 92 penetrates through the first rear support frame 21, the second rear support frame 22 and the third support frame and is connected with the driving motor 91 in a transmission manner.

As a further improvement to the scheme, the vertical distance between the axis of the splitter 5 and the axis of the drill barrel 3 is 0.8-1 times of the diameter of the drill barrel 3. According to the design, the 'engineering tunnel construction method' patent can be realized, wherein a plurality of circular hole seams are tangent or intersected, and a core hole is processed on the circle center of each circular hole seam. Namely: before the new round hole seam is positioned, the splitting machine 5 can be positioned and extends into a core hole of the old round hole seam, then the splitting machine 5 is used as the center of a circle, the drill frame is rotated to position the new round hole seam, namely, the positioning of the drill barrel 3, the drill rod 4 and the splitting machine 5 can be completed at one time in subsequent construction as long as the first round hole seam is processed, the multi-equipment cooperative operation is realized, the independent positioning is not needed, the operation is simple and convenient, and the construction period is shortened. Particularly, after the drill cylinder is positioned to the new round hole seam, the splitting machine is operated to complete the core hole splitting operation of the old round hole seam, then the splitting machine is retracted, the drill cylinder and the drill rod begin to process the new round hole seam and the core hole thereof, and the mutual interference of the splitting operation and the drilling operation is avoided, so that the service life of the device is prevented from being influenced.

As a further improvement to the above scheme, please refer to fig. 2, the bottom surface of the drill stand is further connected with a second sliding base in a sliding manner, the second sliding base slides along the length direction of the drill stand, an oil cylinder 71 is connected between the second sliding base and the drill stand, and secondary feeding of the drill barrel 3, the drill rod 4 and the splitter 5 is realized through the oil cylinder 71 and the second sliding base. Referring to fig. 6, the bottom surface of the second sliding seat is connected with a movable arm 8, and the angle and position of the drilling and splitting machine 5 are adjusted through the movable arm 8, so that the positioning and the tunneling are facilitated.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.