A climbing rock drilling rig

Abstract

The invention discloses a climbing rock wall drilling machine, comprising: a pneumatic down-the-hole hammer, a telescopic rod and an oil cylinder, wherein two pneumatic down-the-hole hammers are provided, the two pneumatic down-the-hole hammers and the telescopic rod form a triangular tripod structure, and the pneumatic down-the-hole hammer includes a hammer head; a track, wherein the track is located at the lower end of the pneumatic down-the-hole hammer, and a rotating power head is provided at the upper end of the track, and the rotating power head is connected to the pneumatic down-the-hole hammer through a reducer, and a support sleeve is provided at the front end of the track, and the middle part of the track is provided as a circular shaft structure, and the axis of the pneumatic down-the-hole hammer coincides with the axis of the circular shaft structure, and a wear-resistant sleeve is provided on the outside of the circular shaft structure; a sprocket box, wherein the sprocket box is located at the tail end of the track, and the rotating power head is driven to slide on the track by a roller chain. It realizes remote control automatic drilling, and solves the problem that the traditional drilling method is not suitable for too high rock walls, and is highly dangerous and has low labor efficiency.

Description

Technical Field

[0001] The invention relates to the field of drilling rigs, and in particular to a climbing rock wall drilling rig. Background Art

[0002] Although mineral resources are abundant, large-scale development has also brought about ecological and environmental problems. Mining has caused serious damage to mountains and vegetation, damaged the natural habitats of wild animals and plants, and disasters such as landslides and mountain torrents and collapse accidents have occurred from time to time. With the increasing advancement of ecological civilization construction, mine ecological restoration has become an important environmental governance issue. Mine restoration is to repair the pollution of mining wasteland, realize the restoration of the damaged ecological environment, and the sustainable use of land resources. There are many ways to repair mines, but they are still not applicable to all mining situations. For example, for relatively steep mine rock walls, many mine repair methods are not sustainable and effective. In recent years, the model of drilling holes in rock walls and planting trees to restore greening has emerged, and the repair effect is good.

[0003] The existing model of drilling holes in rock walls and planting trees for greening does not have special machinery. It is generally carried out by building scaffolding and drilling holes manually. This method is not suitable for rock walls that are too high, and it is highly dangerous and has low labor efficiency. Summary of the invention

[0004] An object of the present invention is to solve at least the above problems and to provide at least the advantages which will be described hereinafter.

[0005] Another object of the present invention is to provide a climbing rock wall drilling machine that realizes remote-controlled automatic drilling, thereby solving the problem that the traditional drilling method is not suitable for rock walls that are too high, is highly dangerous, and has low labor efficiency.

[0006] To achieve the above purpose and some other purposes, the present invention adopts the following technical solutions:

[0007] A climbing rock wall drilling rig, comprising:

[0008] A pneumatic down-the-hole hammer, a telescopic rod and an oil cylinder, wherein two pneumatic down-the-hole hammers are provided, the two pneumatic down-the-hole hammers and the telescopic rod form a triangular tripod structure, and the pneumatic down-the-hole hammer includes a hammer head;

[0009] A track, wherein the track is located at the lower end of the pneumatic down-the-hole hammer, a rotary power head is arranged at the upper end of the track, and the rotary power head is connected to the pneumatic down-the-hole hammer through a reducer, a support sleeve is arranged at the front end of the track, and a circular shaft structure is arranged in the middle of the track, and the axis of the pneumatic down-the-hole hammer coincides with the axis of the circular shaft structure, and a wear-resistant sleeve is arranged on the outside of the circular shaft structure;

[0010] The sprocket box is located at the tail end of the track, and the rotating power head is driven to slide on the track by a roller chain.

[0011] Preferably, a first tightening mechanism is provided at the upper end of the reducer, and the first tightening mechanism includes a support block part, a tapered wedge part and a support block, the support block part includes a support block base, and the outer surface of the support block base is set as a cylindrical structure, and the inner surface of the support block base is set as a conical structure, the support block part is fixed on the reducer, and a gap is opened between the support block part and the reducer, four support blocks are provided, the outer surfaces of the four support blocks are set as a cylindrical structure, the inner surfaces of the four support blocks are set as a conical structure, and the four support blocks are evenly distributed on the support block base of the support block part.

[0012] Preferably, a spring is provided on the outside of the support block, the front end of the tapered wedge part is arranged as a conical structure, the conical structure of the tapered wedge part and the conical structure of the support block part have the same taper as the conical structure of the support block, and the tail end of the tapered wedge part is connected to the rotary power head through a cylinder.

[0013] Preferably, a large rod is provided between the tracks of the two pneumatic down-the-hole hammers, both ends of the large rod are provided with cylindrical structures, and the inner wall of the cylindrical structure is provided with a wear-resistant sleeve, and the cylindrical structure is hinged to the circular shaft structure in the middle of the track.

[0014] Preferably, the telescopic rod comprises a rod body, a rod sleeve, a large oil cylinder and a second tightening mechanism, the rod body is slidably connected to the rod sleeve, and the head diameter of the rod body is the same as the hammer head diameter of the pneumatic down-the-hole hammer.

[0015] Preferably, the second tightening mechanism has the same principle as the first tightening mechanism, the rod body passes through the support block part and can slide relative to the support block part, the support block part and the rod sleeve are connected through a cylinder, and the conical wedge part is located between the rod body and the support block part, and the three can slide relative to each other.

[0016] Preferably, the tracks of the two pneumatic down-the-hole hammers are connected to the telescopic rods through a telescopic arm, and the telescopic arm includes an inner square tube and an outer square tube, and the outer square tube is located outside the inner square tube, the end of the inner square tube is arranged as a cylindrical structure, and the inner wall of the cylindrical structure is provided with a wear-resistant sleeve, and the cylindrical structure is hinged to the circular shaft structure in the middle of the track, and a connecting hole is provided on the side of the rod sleeve.

[0017] Preferably, the outer square tube is a hollow through structure, a connecting hole is provided on the side of the end of the outer square tube, and the connecting hole is hinged to the connecting hole on the side of the rod sleeve.

[0018] Preferably, a plurality of plate-shaped reinforcing ribs are provided between the two telescopic arms.

[0019] The present invention has at least the following beneficial effects:

[0020] 1. The present invention adopts a triangular three-legged structure as a whole, two "legs" are played by two pneumatic down-the-hole hammers, which are responsible for drilling and supporting, and the third "leg" is played by a telescopic rod, which can be inserted into the already drilled holes to support the overall climbing rock wall drilling rig. The two pneumatic down-the-hole hammers are hinged to the track of the pneumatic down-the-hole hammer through a large rod of fixed length, and a telescopic arm structure is adopted between the pneumatic down-the-hole hammer and the telescopic rod. The telescopic arm is hinged to the pneumatic down-the-hole hammer track and the telescopic rod sleeve at both ends respectively. The trajectory during action, that is, the drilling rule, moves according to the vertices of the equilateral triangle, has high flexibility, and realizes remote control automatic drilling.

[0021] 2. The control system of the present invention adopts an efficient electromechanical and hydraulic integrated system. Every action of the drilling rig is realized by remote control by the staff on the ground. The staff only needs to operate the climbing rock wall drilling rig remotely on the ground to control the drilling rig to drill holes on the rock wall. At the same time, the drilling rig can be supported by the already drilled holes to climb up and drill new holes, thereby greatly improving the drilling efficiency and having high flexibility. It replaces the method of manually drilling holes by building scaffolding, is suitable for drilling holes in rock walls of various heights, has high safety, and eliminates the safety hazards of manual drilling.

[0022] 3. The integral climbing rock wall drilling rig of the present invention is not limited to mine restoration, but can also be used in situations where slope drilling is required, such as road traffic engineering and construction engineering, and has a wide range of applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A three-dimensional top view of a climbing rock wall drilling rig of the present invention;

[0024] Figure 2 A three-dimensional image of the upward view of a climbing rock wall drilling rig of the present invention;

[0025] Figure 3 It is a structural principle diagram of the first tightening mechanism of the present invention;

[0026] Figure 4 It is a side view of a climbing rock wall drilling rig of the present invention;

[0027] Figure 5 This is an exploded view of the upward movement and drilling steps of a climbing rock wall drilling rig of the present invention. DETAILED DESCRIPTION

[0028] The present invention is described in detail below in conjunction with the accompanying drawings so that ordinary technicians in the field can implement it according to the instructions.

[0029] like Figure 1-5As shown, a climbing rock wall drilling rig comprises: a pneumatic down-the-hole hammer 1, a telescopic rod 19 and a cylinder 13, and two pneumatic down-the-hole hammers 1 are provided, the two pneumatic down-the-hole hammers 1 and the telescopic rod 19 form a triangular tripod structure, and the pneumatic down-the-hole hammer 1 comprises a hammer head; a track 2, and the track 2 is located at the lower end of the pneumatic down-the-hole hammer 1, and a rotary power head 4 is provided at the upper end of the track 2, and the rotary power head 4 is connected to the pneumatic down-the-hole hammer 1 through a reducer, and a support sleeve is provided at the front end of the track 2, and the middle part of the track 2 is provided as a circular shaft structure, and the axis of the pneumatic down-the-hole hammer 1 coincides with the axis of the circular shaft structure, and a wear-resistant sleeve is provided on the outside of the circular shaft structure; a sprocket box 5, and the sprocket box 5 is located at the tail end of the track 2, and the rotary power head 4 is driven to slide on the track 2 by a roller chain.

[0030] In the above scheme, the rotary power head is connected to the pneumatic down-the-hole hammer through a reducer to provide rotary power for the pneumatic down-the-hole hammer. The rotary power head moves back and forth on the track. A support structure is designed at the front end of the track to support the movement of the pneumatic down-the-hole hammer. The power transmission form adopts a sprocket chain. The sprocket box is at the tail end of the track. The middle part of the track is designed in the shape of a circular shaft. The axis coincides with the axis of the pneumatic down-the-hole hammer in order to articulate with other parts. A wear-resistant sleeve is set outside the circular shaft to improve the durability of the hinge. The whole machine adopts a triangular three-legged structure. Two "feet" are played by two pneumatic down-the-hole hammers, which are responsible for drilling and supporting. The third "foot" is played by a telescopic rod, which can be inserted into the already drilled hole and is responsible for the overall climbing. The support of the climbing rock drilling rig, the trajectory of the whole machine during movement, that is, the drilling rule, moves according to the vertices of the equilateral triangle, with high flexibility, and realizes remote control and automatic drilling. The control system of the whole machine adopts an efficient electromechanical and hydraulic integrated system. Every movement of the drilling rig is realized by the staff controlling the remote control on the ground. Only by operating the climbing rock drilling rig remotely on the ground can the drilling rig be controlled to drill holes on the rock wall. At the same time, the already drilled holes are used to support itself to climb upward and drill new holes, thereby greatly improving the drilling efficiency. It has high flexibility and replaces the method of building scaffolding and drilling holes manually. It is suitable for drilling holes in rock walls of various heights, has high safety, and eliminates the safety hazards of manual drilling.

[0031] In a preferred embodiment, a first tightening mechanism 3 is provided at the upper end of the reducer, and the first tightening mechanism 3 includes a support block part 15, a tapered wedge part 18 and a support block 17. The support block part 15 includes a support block base, and the outer surface of the support block base is set as a cylindrical structure, and the inner surface of the support block base is set as a conical structure. The support block part 15 is fixed on the reducer, and a gap is opened between the support block part 15 and the reducer. Four support blocks 17 are provided, and the outer surfaces of the four support blocks 17 are set as a cylindrical structure, and the inner surfaces of the four support blocks 17 are set as a conical structure. The four support blocks 17 are evenly distributed on the support block base of the support block part 15.

[0032] In the above scheme, a first tightening mechanism is designed on the reducer, and the first tightening mechanism consists of a support block part and a tapered wedge part. The outer surface of the support block base of the support block part is cylindrical, and the inner surface is conical. It is fixed on the reducer, and a gap is opened between the reducer and the four support blocks. The outer surface is cylindrical, and the inner surface is conical. The circumference is evenly distributed on the support block base, and the outer circumference is tightened by a spring. The front end of the tapered wedge part is conical, and the tail end is connected to the rotary power head through an oil cylinder. When tightening is required, the oil cylinder extends to push the tapered wedge part forward. Under the action of the conical surface of the tapered wedge part, the support block is stretched out to the surroundings to support the drill hole to play a tightening role. When loosening is required, the oil cylinder is retracted, and the tapered wedge part retreats. Under the action of the spring, the support block is reset. There is a gap between the support block base and the reducer to prevent long-term accumulation of mud and sand from affecting the movement of the mechanism.

[0033] In a preferred embodiment, a spring 16 is provided on the outside of the support block 17, and the front end of the tapered wedge part 18 is set as a conical structure. The conical structure of the tapered wedge part 18 and the conical structure of the support block part 15 have the same taper as the conical structure of the support block 17, and the tail end of the tapered wedge part 18 is connected to the rotary power head 4 through the cylinder 13.

[0034] In the above scheme, a first tightening mechanism is designed on the reducer, and the first tightening mechanism consists of a support block part and a tapered wedge part. The outer surface of the support block base of the support block part is cylindrical, and the inner surface is conical. It is fixed on the reducer, and a gap is opened between the reducer and the four support blocks. The outer surface is cylindrical, and the inner surface is conical. The circumference is evenly distributed on the support block base, and the outer circumference is tightened by a spring. The front end of the tapered wedge part is conical, and the tail end is connected to the rotary power head through an oil cylinder. When tightening is required, the oil cylinder extends to push the tapered wedge part forward. Under the action of the conical surface of the tapered wedge part, the support block is stretched out to the surroundings to support the drill hole to play a tightening role. When loosening is required, the oil cylinder is retracted, and the tapered wedge part retreats. Under the action of the spring, the support block is reset. There is a gap between the support block base and the reducer to prevent long-term accumulation of mud and sand from affecting the movement of the mechanism.

[0035] In a preferred embodiment, a large rod 6 is arranged between the tracks 2 of the two pneumatic down-the-hole hammers 1, both ends of the large rod 6 are arranged as cylindrical structures, and the inner wall of the cylindrical structure is provided with a wear-resistant sleeve, and the cylindrical structure is hinged to the circular shaft structure in the middle of the track 2.

[0036] In the above scheme, the connection is convenient, the connected structure has high flexibility, and the wear-resistant sleeve improves the durability of the hinge.

[0037] In a preferred embodiment, the telescopic rod 19 includes a rod body 7, a rod sleeve 8, a large oil cylinder 9 and a second tightening mechanism 10. The rod body 7 is slidably connected to the rod sleeve 8. The head diameter of the rod body 7 is the same as the hammer head diameter of the pneumatic down-the-hole hammer 1.

[0038] In the above scheme, the telescopic rod is composed of a rod body, a rod sleeve, a large oil cylinder and a second tightening mechanism. The large oil cylinder fixed on the rod sleeve is connected to the tail of the rod body. The retraction and extension of the large oil cylinder can control the extension and retraction of the rod body. The diameter of the rod head is the same as the hammer head diameter of the pneumatic down-the-hole hammer, so as to facilitate the support of the rod body in the drill hole.

[0039] In a preferred embodiment, the second tightening mechanism 10 is based on the same principle as the first tightening mechanism 3. The rod body 7 passes through the support block part 15 and can slide relative to the support block part 15. The support block part 15 and the rod sleeve 8 are connected through the cylinder 13. The conical wedge part 18 is located between the rod body 7 and the support block part 15, and the three can slide relative to each other.

[0040] In the above scheme, the second tightening mechanism has the same principle as the first tightening mechanism on the reducer, but the difference is that they are connected to other parts in different ways. The rod body passes through the support block part and can slide relative to the support block part. The support block part is connected to the rod sleeve through the cylinder, and the cone wedge part is sleeved between the rod body and the support block part. The power is provided by the cylinder fixed on the support block part. The three can slide relative to each other. When working, the large cylinder is retracted to make the rod body extend into the borehole. After it is in place, the support block connection cylinder is extended to make the support block part and the cone wedge part extend into the borehole together. Then the cone wedge part is connected to the cylinder and extended to push the cone wedge part forward to lift the support block to play a tightening role. When the rod body needs to withdraw from the borehole, the opposite action is performed.

[0041] In a preferred embodiment, the tracks 2 and telescopic rods 19 of the two pneumatic down-the-hole hammers 1 are connected via a telescopic arm, and the telescopic arm comprises an inner square tube 11 and an outer square tube 12, and the outer square tube 12 is located on the outside of the inner square tube 11, the end of the inner square tube 11 is arranged as a cylindrical structure, and the inner wall of the cylindrical structure is provided with a wear-resistant sleeve, and the cylindrical structure is hinged to the circular shaft structure in the middle of the track 2, and a connecting hole is provided on the side of the rod sleeve 8.

[0042] In the above scheme, the telescopic arm between the pneumatic down-the-hole hammer track and the telescopic rod sleeve adopts a square tube-in-square tube structure. In order to stabilize each telescopic arm, two groups of square tubes are used. The telescopic power is provided by the oil cylinder. The whole machine adopts a triangular three-legged structure. Two "legs" are played by two pneumatic down-the-hole hammers, which are responsible for drilling and support. The third "leg" is played by the telescopic rod, which can be inserted into the already drilled hole to support the overall climbing rock wall drilling rig. The trajectory of the whole machine during movement, that is, the drilling rule, moves according to the vertices of the equilateral triangle. It has high flexibility and realizes remote control automatic drilling.

[0043] In a preferred embodiment, the outer square tube 12 is a hollow through structure, a connecting hole is provided on the side of the end of the outer square tube 12 , and the connecting hole is hinged to the connecting hole on the side of the rod sleeve 8 .

[0044] In the above scheme, the outer square tube is hollow and through, and the inner square tube is longer than the outer square tube to meet the travel requirements of the telescopic arm. A connecting hole is designed on the side of the end of the outer square tube, which is hinged with the connecting hole on the side of the telescopic rod sleeve.

[0045] In a preferred embodiment, a plurality of plate-shaped reinforcing ribs 14 are provided between the two telescopic arms.

[0046] In the above scheme, a plurality of plate-shaped reinforcing ribs enhance the stability of the whole machine, thereby improving the stability of the whole machine during operation.

[0047] Although the embodiments of the present invention have been disclosed as above, they are not limited to the applications listed in the specification and the implementation modes, and they can be fully applied to various fields suitable for the present invention. For those familiar with the art, additional modifications can be easily implemented. Therefore, without departing from the general concept defined by the claims and the scope of equivalents, the present invention is not limited to the specific details and the illustrations shown and described herein.

Claims

1. A climbing rock drilling rig, wherein: include: A pneumatic down-the-hole hammer, a telescopic rod and an oil cylinder, wherein two pneumatic down-the-hole hammers are provided, the two pneumatic down-the-hole hammers and the telescopic rod form a triangular tripod structure, and the pneumatic down-the-hole hammer includes a hammer head; A track, wherein the track is located at the lower end of the pneumatic down-the-hole hammer, a rotary power head is arranged at the upper end of the track, and the rotary power head is connected to the pneumatic down-the-hole hammer through a reducer, a support sleeve is arranged at the front end of the track, and a circular shaft structure is arranged in the middle of the track, and the axis of the pneumatic down-the-hole hammer coincides with the axis of the circular shaft structure, and a wear-resistant sleeve is arranged on the outside of the circular shaft structure; A sprocket box, and the sprocket box is located at the tail end of the track, and the rotating power head is driven to slide on the track by a roller chain, a first tightening mechanism is arranged at the upper end of the reducer, the first tightening mechanism comprises a support block part, a conical wedge part and a support block, the support block part comprises a support block base, and the outer surface of the support block base is arranged as a cylindrical structure, and the inner surface of the support block base is arranged as a conical structure, the support block part is fixed on the reducer, and a gap is opened between the support block and the reducer, four support blocks are arranged, and the outer surfaces of the four support blocks are arranged as cylindrical The inner surfaces of the four support blocks are arranged as conical structures, the circumferences of the four support blocks are evenly distributed on the support block base of the support block part, a spring is arranged on the outside of the support block, the front end of the tapered wedge part is arranged as a conical structure, the tapered structure of the tapered wedge part and the tapered structure of the support block part have the same taper, the tail end of the tapered wedge part is connected to the rotary power head through an oil cylinder, the telescopic rod comprises a rod body, a rod sleeve, a large oil cylinder and a second tightening mechanism, the rod body is slidably connected to the rod sleeve, and the head diameter of the rod body is The diameter of the hammer head of the pneumatic down-the-hole hammer is the same as that of the hammer head of the pneumatic down-the-hole hammer. A large rod is arranged between the tracks of the two pneumatic down-the-hole hammers. Both ends of the large rod are arranged as cylindrical structures. The inner wall of the cylindrical structure is arranged with a wear-resistant sleeve. The cylindrical structure is hinged with the circular shaft structure in the middle of the track. The principle of the second tightening mechanism is the same as that of the first tightening mechanism. The rod body passes through the support block part and can slide relative to the support block part. The support block part and the rod sleeve are connected by an oil cylinder. The cone wedge part is located between the rod body and the support block part. The three can slide relative to each other. The two pneumatic down-the-hole hammers The track of the bore hammer is connected to the telescopic rod through a telescopic arm, and the telescopic arm includes an inner square tube and an outer square tube, and the outer square tube is located on the outside of the inner square tube, the end of the inner square tube is arranged as a cylindrical structure, and the inner wall of the cylindrical structure is provided with a wear-resistant sleeve, and the cylindrical structure is hinged to the circular shaft structure in the middle of the track, a connecting hole is arranged on the side of the rod sleeve, and the outer square tube is a hollow through structure, a connecting hole is arranged on the side of the end of the outer square tube, and the connecting hole is hinged to the connecting hole on the side of the rod sleeve, and a plurality of plate-like reinforcing ribs are arranged between the two telescopic arms.

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