CN110005340B

CN110005340B - Crawler-type drilling machine

Info

Publication number: CN110005340B
Application number: CN201910308685.9A
Authority: CN
Inventors: 吴晓燕; 王佳俊; 江亚运; 余帅
Original assignee: Hangzhou Lin'an Dadi Planning Survey Co ltd
Current assignee: Hangzhou Lin'an Dadi Planning Survey Co ltd
Priority date: 2019-04-17
Filing date: 2019-04-17
Publication date: 2020-11-20
Anticipated expiration: 2039-04-17
Also published as: CN110005340A

Abstract

The invention discloses a crawler-type drilling machine which comprises a rack, wherein the rack is provided with a transmission belt, a rotating shaft and a first oil cylinder, the rotating shaft is provided with a support frame, the support frame is provided with a second oil cylinder and two groups of support rods, the second oil cylinder is fixedly connected with a rotating frame, the rotating frame is connected with a bracket in a sliding manner, the bracket is provided with a motor and a power head, two groups of slide rails are arranged between the bracket and the rotating frame in a penetrating manner, and the bracket is fixedly connected with; the rotary frame is provided with two groups of adjusting cavities, and gas cavity films are arranged in the adjusting cavities and connected with the inflating assemblies; pressure sensors are arranged in the power head and the gas cavity film, and a buffer assembly is arranged between the bracket and the rotary frame; the power head is provided with a plurality of groups of through holes, and an air pipe and a water pipe are arranged in the power head and are arranged in a penetrating manner. Through above-mentioned technical scheme, ensure the stability of drill bit in processing drilling process, realize the protective effect to the drill bit, promote the work efficiency of drill bit at complicated topography.

Description

Crawler-type drilling machine

Technical Field

The invention relates to the technical field of drilling mechanical equipment, in particular to a crawler-type drilling machine.

Background

Hydraulic pressure gallery rig is a new drilling machine that has developed this year, a rig for drilling exploration hole, take out gas hole, water filling hole and other for engineering hole, the main side heavy drilling down hole that traditional rig adopted, mainly be vertical drilling angle regulation, and horizontal drilling angle can only be adjusted at the minizone, current drive belt gallery rig is in order to can diversely punch, set up a plurality of liquid accuse valves and diverter valve in hydraulic system, the operation of punching is carried out to the different position of gallery in the realization, to gallery actual work in-process, can more drill according to different positions at the actual drilling in-process, but need remove the complete machine and adjust, and the space of gallery is limited, influence the work efficiency of drilling.

In view of the above problems, chinese patent No. CN106194019B, discloses a driving belt type tunnel drilling machine, comprising: the drilling machine comprises a frame with a transmission belt, wherein a turnover mechanism is arranged on the frame, a mast assembly is arranged on the turnover mechanism, a drilling machine head is arranged on the mast assembly, and the position of the drilling machine head on the mast assembly is adjustable; the turnover mechanism comprises a pair of first supporting devices movably mounted at the front end part of the rack, the first supporting devices can rotate relative to the rack, and two ends of each first supporting device can stretch; a rotating shaft is arranged between the first supporting devices, and the mast assembly is arranged on the rotating shaft; the rotating shaft is driven by a turnover oil cylinder, and the angle of the rotating shaft is adjusted by the turnover oil cylinder. The drilling machine in the technical scheme can pass in a narrow roadway, the amplitude variation mechanism is arranged, and the position, the drilling angle and the like of the drilling machine head can be adjusted in a large range, so that the whole drilling machine is higher in adaptability and universality.

The above prior art solutions have the following drawbacks: the drilling machine head drills holes at the drilling position and the drilling angle in a large range in the tunnel, but the geological conditions at different positions are different, the drilling speed cannot be determined according to actual geological adjustment, the drilling machine is caused with mechanical damage, and the service life of the power head is shortened.

Disclosure of Invention

The invention aims to provide a crawler-type drilling machine which has the advantages that the drilling position can be conveniently and skillfully changed and adjusted, the stability is realized, the protective measures of a drill bit are added, the normal work of the drill bit is ensured, and the service life of equipment is prolonged.

The invention is realized by the following technical scheme:

a crawler-type drilling machine comprises a rack, wherein a transmission belt, a rotating shaft and a first oil cylinder connected with the rotating shaft are arranged on the rack, a support frame is arranged on the rotating shaft, a second oil cylinder and two groups of support rods are arranged on the support frame, the second oil cylinder is fixedly connected with a rotating frame, a bracket is connected onto the rotating frame in a sliding mode, the bracket is provided with a motor and a power head fixedly connected with the motor, two groups of sliding rails penetrate between the bracket and the rotating frame, and the bracket is fixedly connected with a third oil cylinder;

two groups of adjusting cavities are arranged on the revolving frame, gas cavity membranes are arranged in the adjusting cavities, and the gas cavity membranes are connected with an inflating assembly;

pressure sensors are arranged at the end part of the power head and in the gas cavity film, and a buffer assembly for resetting the power head is arranged between the bracket and the rotary frame;

a plurality of groups of through holes are formed in the circumferential side face of one end of the power head, an air pipe and a water pipe are arranged in the power head, and the air pipe and the water pipe are respectively connected with the through holes;

the buffer assembly comprises a box body positioned on the rotary frame, a buffer plate positioned in the box body and a buffer rod fixedly connected with the buffer plate, a cavity filled with hydraulic oil is arranged in the box body, a through hole is formed in the box body, the buffer rod penetrates through the through hole and is fixedly connected with the bracket, and two groups of buffer holes are formed in the buffer plate;

a plurality of groups of elastic restoring pieces are fixedly connected between one side of the buffer plate, which is far away from the buffer rod, and the inner wall of the box body;

the extension dimension of the gaseous cavity film is not less than that of the slide rail.

By adopting the technical scheme, the transmission belt realizes that the drilling machine travels in a tunnel with complicated geology and has climbing capability, the drill bit is installed in the power head, the first oil cylinder drives the rotating shaft to rotate, the power head adjusts the drilling angle, the supporting rod moves towards the wall along with the supporting rod and is supported by the wall, the stability of the drilling position is ensured, the second oil cylinder drives the rotating frame to rotate, the swinging effect of the power head in the vertical direction is driven, the motor drives the power head to rotate, the third oil cylinder drives the bracket to slide on the sliding rail, and the bracket drives the power head to move and realize drilling operation; at the moment, the gas-state cavity film is inflated, and the pressure intensity in the gas-state cavity film is ensured to be consistent with the pressure intensity received by the drill bit under the action of the pressure sensor, so that the stability in the drilling process is ensured; when the drill bit meets a hard wall, the pressure intensity on the drill bit is increased, the pressure intensity on the pressure sensor is increased, at the moment, the third oil cylinder stops working, the air inflation assembly reduces the air pressure in the gas cavity film, the pressure intensity on the drill bit is buffered, the drill bit is pulled to move in the direction away from the wall under the action of the buffer assembly, the air pipe and the water pipe respectively inject air and spray water to the drill bit, the mud removal and cooling effects are carried out on the drill bit, and the protection effect on the drill bit is realized; the buffer rod penetrates through the through hole and then is fixedly connected with the bracket, the bracket drives the buffer rod to move, the hydraulic oil moves in the direction opposite to the movement direction of the bracket, and the movement of the bracket is more stable; under the action of the elastic restoring piece for restoring the original shape, the buffer rod is ensured to reciprocate in the box body; the gaseous state chamber membrane is adjusting the intracavity and is connected with the bracket, and along with the distance change of bracket motion, the volume of gaseous state chamber membrane changes, and the subassembly of aerifing ensures that the pressure in the gaseous state chamber membrane equals with the pressure that the drill bit received, ensures the real-time protective effect to the drill bit.

Further setting the following steps: the periphery of the gaseous cavity film is provided with a plurality of groups of hanging holes, hanging rings are arranged in the hanging holes in a penetrating mode, and the hanging rings are fixedly connected with the rotating frame.

Through adopting above-mentioned technical scheme, realize the fixed effect of straining between hanging hole and the link.

Further setting the following steps: a plurality of groups of balancing frames are rotatably connected between two groups of transmission belts below the rack, balancing plates are arranged at the other ends of the balancing frames, and third oil cylinders are hinged to the balancing frames.

Through adopting above-mentioned technical scheme, under the complicated topography condition of gallery, the swing of third hydro-cylinder drive balancing stand, the balance plate just realizes the supporting effect with ground butt, ensures the stability of drill bit in the course of working.

Further setting the following steps: the third oil cylinder is deviated from the two ends of the balancing frame at the position hinged with the balancing frame, and the balancing plate is horizontally arranged.

Through adopting above-mentioned technical scheme, the third hydro-cylinder drive balancing stand moves towards ground, and the balance plate has a effect of pushing away the tie to the earth on ground in the motion process, ensures that the balance plate is in the planarization on ground, realizes the stability of rig in drilling process.

Further setting the following steps: the power head is made of hard alloy materials.

By adopting the technical scheme, the hard alloy is formed by adopting tungsten carbide powder as a matrix and cobalt powder as a binder through pressurization and sintering, has extremely high hardness, is suitable for high-speed cutting, and prolongs the service life of the power head.

Further setting the following steps: the frame with support frame sliding connection has two sets of stands, the stand wears to establish on the support frame, be provided with on the stand and be used for the drive the fifth hydro-cylinder of support frame vertical direction upward movement.

Through adopting above-mentioned technical scheme, under the effect of fifth hydro-cylinder, the slewing frame is along reciprocating motion on the vertical direction on two sets of stands, ensures the stable effect in the drill bit course of working.

Further setting the following steps: the power head fixedly connected with slips, be provided with the chuck on the bracket, the slips with the chuck is mutually supported and is realized the power head with fixed effect between the bracket.

Through adopting above-mentioned technical scheme, press from both sides between unit head and the slips and press from both sides tightly fixed, under the chuck effect, slips and chuck realize fixed effect.

In conclusion, the beneficial technical effects of the invention are as follows:

(1) the drilling machine moves into the tunnel, under the action of the slips and the chuck, the drill bit is clamped with the power head, the fourth oil cylinder drives the balance frame to swing, the four groups of balance plates are supported on the bottom surface, the first oil cylinder drives the rotating shaft to rotate in the horizontal direction, the fifth oil cylinder drives the support frame to perform position adjustment on the stand column along the vertical direction, the second oil cylinder drives the rotating shaft to perform swing angle adjustment in the vertical direction, and the support rod is abutted to the wall surface to be processed.

(2) The third oil cylinder drives the bracket to move towards the wall surface on the sliding rail, the motor drives the power head to rotate, the power head drives the drill bit to rotate and drill the wall surface, the pressure of the gas cavity film is equal to the pressure of the drill bit, the bracket drives the buffer rod to move, the buffer rod drives the buffer plate to move, the elastic recovery piece is stretched, and the drill bit moves stably.

(3) Touch the stereoplasm wall when the drill bit, under pressure sensor's effect, stop the drive of third hydro-cylinder, aerify the subassembly and carry out the step-down effect in to gaseous state chamber membrane, water pipe and trachea are cleared up and hole effect respectively to the drill bit, meanwhile, under the effect of elasticity recovery piece, the buffer board drives the buffer beam motion, the buffer beam drives the drill bit and moves towards keeping away from the wall direction, the drill bit steadily slips away from the wall, the realization is to the protective effect of drill bit, promote the life of drill bit.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a cross-sectional view A-A of FIG. 2;

FIG. 4 is a schematic view of the turret of the present invention;

FIG. 5 is a partial enlarged view of portion B of FIG. 4;

FIG. 6 is a front view of the turret;

FIG. 7 is a cross-sectional view C-C of FIG. 6;

fig. 8 is a partial enlarged view of a portion D in fig. 7.

Reference numerals: 1. a frame; 2. a transmission belt; 3. a rotating shaft; 4. a first cylinder; 5. a support frame; 6. a support bar; 7. a second cylinder; 8. a revolving frame; 9. a bracket; 10. a motor; 11. a power head; 12. a slide rail; 13. a third oil cylinder; 14. a gaseous cavity membrane; 15. an inflation assembly; 16. a pressure sensor; 17. a buffer assembly; 18. an air tube; 19. a water pipe; 20. a through hole; 21. a buffer hole; 22. an elastic restoring member; 23. a balancing stand; 24. a balance plate; 25. a fourth cylinder; 26. a column; 27. a fifth oil cylinder; 28. slips; 29. a chuck; 30. hanging holes; 31. hanging a ring; 32. a box body; 33. a buffer plate; 34. a buffer rod.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, the crawler-type drilling machine disclosed by the invention comprises a frame 1, wherein a transmission belt 2 is arranged on the frame 1, the drilling machine generally works in a complex environment and geological condition, the transmission belt 2 has the highest climbing capability and can be steered in a tunnel and is suitable for the drilling machine to walk under different geological conditions, a rotating shaft 3 is rotatably connected above the transmission belt 2 on the frame 1, a supporting frame 5 is fixedly connected to the rotating shaft 3, a first oil cylinder 4 is fixedly connected to the rotating shaft 3, and the first oil cylinder 4 is used for driving the rotating shaft 3 to rotate for 360 degrees.

Referring to fig. 1 and 3, a support rod 6 and a second oil cylinder 7 are arranged on a support frame 5, the support rod 6 is used for stably supporting a position to be drilled and preventing the wall to be drilled from having a position deviation or collapse effect, the second oil cylinder 7 is fixedly connected with a revolving frame 8, the revolving frame 8 is rotatably connected with the support frame 5, and the second oil cylinder 7 drives the revolving frame 8 to swing along the vertical direction; sliding connection has bracket 9 on the reversing frame 8, be provided with on the bracket 9 motor 10 and with motor 10 fixed connection's unit head 11, unit head 11 rotates with bracket 9 to be connected, 11 fixedly connected with slips 28 of unit head, rotating connection has chuck 29 on the bracket 9, slips 28 presss from both sides tight fixedly with unit head 11, sets up to the joint between chuck 29 and the slips 28, realizes the effect with 11 fixed effects of unit head and the change of being convenient for.

Referring to fig. 2 and 3, an opening of a power head 11 is used for installing drill bits of different sizes, in the prior art, the power head 11 and the drill bits are clamped, a revolving frame 8 is provided with two sets of slide rails 12 arranged in parallel, a bracket 9 is arranged on the slide rails 12 in a penetrating manner, and the bracket 9 is fixedly connected with a third oil cylinder 13; first hydro-cylinder 4 drive revolving shaft 3 rotates, support frame 5 takes place to rotate on the horizontal direction, adjust the drilling angle of drill bit, bracing piece 6 with treat drilling wall position butt, it is firm to ensure the wall, 7 drive revolving racks 8 of second hydro-cylinder rotate, realize the swing angle of drill bit on vertical side, motor 10 drive unit head 11 rotates, the drill bit follows unit head 11 and begins to rotate, third hydro-cylinder 13 drive bracket 9 moves on slide rail 12, the drill bit carries out drilling operation, the realization is drilled the operation to wall different positions.

Referring to fig. 2 and 3, the geology of different positions on the wall surface is different, when the power head 11 drives the drill bit to encounter hard geology in the process, the power head 11 is continuously drilled, so that the influence is caused on the power head 11, in order to ensure the hardness of the power head 11, the power head 11 is made of hard alloy materials, the hard alloy is formed by pressurizing and sintering tungsten carbide powder serving as a matrix and cobalt powder serving as a binder, and the hardness is extremely high, so that the power head is suitable for high-speed cutting and the service life of the power head 11 is prolonged; when the pressure borne by the drill bit is exceeded during drilling of a hard wall surface, the service life of the drill bit is influenced, a pressure sensor 16 is arranged at the end part of the power head 11, the pressure sensor 16 is connected with a buzzer, and the pressure sensor 16 monitors the pressure borne by the drill bit in real time; in order to have a buffering acting force for driving the drill bit, two groups of adjusting cavities are arranged on the rotary frame 8, the two groups of adjusting cavities are respectively arranged close to the outer sides of the sliding rails 12, a gas cavity film 14 is arranged in each adjusting cavity, the gas cavity film 14 is connected with an inflating assembly 15, and the other group of pressure sensors 16 are located in the gas cavity film 14 and are used for detecting the pressure in the gas cavity film 14.

Referring to fig. 1 and 5, the distance of the third oil cylinder 13 driving the power head 11 to move is equal to the depth of a drilled hole, under the action of two sets of pressure sensors 16, it is ensured that the pressure applied to the power head 11 is equal to the pressure in the gaseous cavity film 14, four corners of the gaseous cavity film 14 are all provided with hanging holes 30, four sets of hanging rings 31 are fixedly connected to the revolving frame 8, the hanging rings 31 are respectively located at the four corners of the adjusting cavity, the hanging rings 31 are arranged in the hanging holes 30 in a penetrating manner to achieve the fixing effect of the gaseous cavity film 14, the extension size of the gaseous cavity film 14 is equal to the extension size of the sliding rod, as the bracket 9 moves towards the wall surface, the space of the adjusting cavity increases, the inflation assembly 15 inflates air towards the gaseous cavity film 14, and it is ensured that the pressure in the gaseous; when the pressure intensity applied to the drill bit in the drilling process is greater than the bearing pressure intensity, the pressure sensor 16 triggers the alarm function of the buzzer, the driving effect of the third oil cylinder 13 on the power head 11 is stopped, the air inflation assembly 15 reduces the pressure intensity in the gas cavity film 14, the pressure intensity applied to the drill bit is reduced, and the drill bit is prevented from being further damaged.

Referring to fig. 3, in order to ensure the protective effect on the drill bit, a plurality of groups of through holes 20 are arranged on the circumferential side surface of one end of the power head 11, an air pipe 18 and a water pipe 19 are arranged in the power head 11, the air pipe 18, the water pipe 19 and the through holes 20 are arranged in a penetrating manner, when the pressure of the drill bit is too high, in order to prevent the drill bit from being damaged by heating, the air pipe 18 sprays air towards the drill bit to clean soil on the drill bit and increase the heat dissipation area, and the water pipe 19 sprays water to the drill bit to cool the drill bit and prolong the service life; in order to realize the movement of the drill bit away from the drilling direction, a buffer assembly 17 is arranged between the rotary frame 8 and the bracket 9, and the buffer assembly 17 is used for realizing the return effect of the power head 11.

Referring to fig. 6 and 8, the buffer assembly 17 includes a box 32 located on the revolving frame 8, a buffer plate 33 located in the box 32, and a buffer rod 34 fixedly connected to the buffer plate 33, the box 32 is provided with a through hole, the buffer rod 34 passes through the through hole and is fixedly connected to the bracket 9, the buffer plate 33 is provided with two groups of buffer holes 21, the buffer holes 21 are used for hydraulic oil to pass through, a cavity filled with hydraulic oil is provided in the box 32, in order to realize the reciprocating motion of the buffer plate 33, four groups of elastic restoring members 22 are fixedly connected to one side of the buffer plate 33 away from the buffer plate 34 and the inner wall of the box 32, and the elastic restoring members 22 are springs having elastic deformation in the prior art; bracket 9 drives the direction motion of buffer board 33 towards the wall, and elasticity restores 22 and is stretched, and when third hydro-cylinder 13 stop work, gaseous state chamber membrane 14 reduces pressure under gas-filled component 15's effect, and elasticity restores 22 and drives buffer board 33 towards keeping away from the wall direction motion, and hydraulic oil moves towards the wall direction after passing through buffer hole 21, realizes that the steady orientation of drill bit keeps away from the wall direction motion.

Referring to fig. 1, in order to ensure the stability of the drill bit during operation, damage to the drill bit caused by vibrations generated by the drilling machine is avoided, under the action of the transmission belt 2, the drilling machine moves into a tunnel, the terrain in the tunnel is complex, four groups of balancing frames 23 are rotatably connected between two groups of transmission belts 2 below the frame 1, the other ends of the balancing frames 23 are provided with balancing plates 24, the balancing frames 23 are hinged with fourth oil cylinders 25, the positions of the fourth oil cylinders 25, which are hinged with the balancing frames 23, deviate from the two ends of the balancing frames 23, the balancing frames 23 are convenient to swing, the fourth oil cylinders 25 are positioned on the frame 1, the fourth oil cylinders 25 drive the balancing frames 23 to move towards the earth direction on the ground, the earth is leveled in the moving process of the balancing frames 23, when the balance plates 24 are in a horizontal position, the four sets of balance plates 24 support the drilling machine, avoiding the effect of vibrations due to irregularities in the drive belt 2.

Referring to fig. 1 and 2, the second oil cylinder 7 drives the revolving frame 8 to swing in the vertical direction, the swing angle is too large, and the drill bit can swing in the drilling process, the frame 1 and the support frame 5 are connected with two groups of upright posts 26 in a sliding manner, the upright posts 26 penetrate through the support frame 5, the upright posts 26 are provided with fifth oil cylinders 27, and the support frame 5 is driven by the fifth oil cylinders 27 to move in the vertical direction; when the drill bit drills a high position on a wall surface, the fifth oil cylinder 27 drives the supporting frame 5 to move in the vertical direction, the power head 11 moves upwards, the swing angle of the second oil cylinder 7 driving the rotary frame 8 in the vertical direction is reduced, and the stability of the drill bit for drilling the high position on the wall surface is ensured.

The implementation principle and the beneficial effects of the embodiment are as follows: under the action of the transmission belt 2 and the oil assembly, the drilling machine moves in the tunnel, the drill bit is clamped with the power head 11 under the action of the slips 28 and the chuck 29, the fourth oil cylinder 25 drives the balance frame 23 to swing, and the four groups of balance plates 24 are abutted against the ground, so that the supporting effect of the drilling machine is realized; the first oil cylinder 4 drives the revolving shaft 3 to rotate in the horizontal direction, the fifth oil cylinder 27 drives the supporting frame 5 to perform position adjustment on the upright post 26 along the vertical direction, the second oil cylinder 7 drives the revolving frame 8 to perform swing angle adjustment in the vertical direction, and the supporting rod 6 is abutted to the wall surface to be processed.

The third oil cylinder 13 drives the bracket 9 to move towards the wall surface on the slide rail 12, the motor 10 drives the power head 11 to rotate, the power head 11 drives the drill bit to rotate and drill the wall surface, the inflation component 15 inflates the gaseous cavity film 14 to ensure that the pressure of the gaseous cavity film 14 is equal to the pressure applied to the drill bit, at the moment, the bracket 9 drives the buffer rod 34 to move, the buffer rod 34 drives the buffer plate 33 to move, the elastic restoring piece 22 is stretched, the hydraulic oil moves towards the direction far away from the wall surface, and the drill bit is ensured to move stably; when the drill bit touch the stereoplasm wall, pressure sensor 16 triggers the buzzer warning, stop the drive of third hydro-cylinder 13, inflation assembly 15 carries out the step-down effect in to gaseous state chamber membrane 14, water pipe 19 and trachea 18 clear up and the cooling effect to the drill bit respectively, meanwhile, under the effect of elasticity recovery piece 22, buffer board 33 drives the motion of buffer beam 34, buffer beam 34 drives the drill bit and keeps away from the motion of wall direction, hydraulic oil passes through buffer hole 21 and moves towards the wall direction, the drill bit steadily slips from the wall, the realization is to the protective effect of drill bit, promote the life of drill bit.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The utility model provides a crawler-type drilling machine, includes frame (1), be provided with drive belt (2), revolving axle (3) and with first hydro-cylinder (4) that revolving axle (3) are connected in frame (1), be provided with support frame (5) on revolving axle (3), be provided with second hydro-cylinder (7) and two sets of bracing piece (6) on support frame (5), second hydro-cylinder (7) fixedly connected with revolving rack (8), its characterized in that: the rotary frame (8) is connected with a bracket (9) in a sliding manner, the bracket (9) is provided with a motor (10) and a power head (11) fixedly connected with the motor (10), two groups of sliding rails (12) are arranged between the bracket (9) and the rotary frame (8) in a penetrating manner, and the bracket (9) is fixedly connected with a third oil cylinder (13);

two groups of adjusting cavities are arranged on the revolving frame (8), a gaseous cavity film (14) is arranged in each adjusting cavity, and the gaseous cavity film (14) is connected with an inflation assembly (15);

pressure sensors (16) are arranged at the end part of the power head (11) and in the gaseous cavity film (14), and a buffer assembly (17) for resetting the power head (11) is arranged between the bracket (9) and the rotary frame (8);

a plurality of groups of through holes (20) are formed in the circumferential side face of one end of the power head (11), an air pipe (18) and a water pipe (19) are arranged in the power head (11), and the air pipe (18) and the water pipe (19) are respectively communicated with the through holes (20);

the buffer assembly (17) comprises a box body (32) positioned on the rotary frame (8), a buffer plate (33) positioned in the box body (32) and a buffer rod (34) fixedly connected with the buffer plate (33), a cavity filled with hydraulic oil is arranged in the box body (32), a through hole is formed in the box body (32), the buffer rod (34) penetrates through the through hole and then is fixedly connected with the bracket (9), and two groups of buffer holes (21) are formed in the buffer plate (33);

a plurality of groups of elastic restoring pieces (22) are fixedly connected between one side of the buffer plate (33) far away from the buffer rod (34) and the inner wall of the box body (32);

the extension dimension of the gaseous cavity membrane (14) is not less than the extension dimension of the slide rail (12).

2. The track-type drilling machine of claim 1, wherein: the periphery of the gaseous cavity membrane (14) is provided with a plurality of groups of hanging holes (30), hanging rings (31) are arranged in the hanging holes (30) in a penetrating mode, and the hanging rings (31) are fixedly connected with the rotary frame (8).

3. The track-type drilling machine of claim 2, wherein: the improved hydraulic lifting mechanism is characterized in that a plurality of groups of balance frames (23) are rotatably connected between two groups of transmission belts (2) below the rack (1), balance plates (24) are arranged at the other ends of the balance frames (23), and fourth oil cylinders (25) are hinged to the balance frames (23).

4. The track-type drilling machine of claim 3, wherein: the hinged position of the fourth oil cylinder (25) and the balancing frame (23) deviates from the two ends of the balancing frame (23), and the balancing plate (24) is horizontally arranged.

5. The track-type drilling machine of claim 4, wherein: the power head (11) is made of hard alloy materials.

6. The track-type drilling machine of claim 5, wherein: frame (1) with support frame (5) sliding connection has two sets of stands (26), stand (26) wear to establish on support frame (5), be provided with on stand (26) and be used for the drive fifth hydro-cylinder (27) of motion in the vertical direction of support frame (5).

7. The track-type drilling machine of claim 6, wherein: the power head (11) fixedly connected with slips (28), be provided with chuck (29) on bracket (9), slips (28) with chuck (29) mutually support and realize power head (11) with fixed effect between bracket (9).