CN117569732A - Pneumatic well digging and chiseling machine - Google Patents

Abstract

The application discloses pneumatic well digging chisel machine belongs to mining machinery field, and it includes the sleeve pipe and sets up in a plurality of tunnelling pole on the sleeve pipe, the tunnelling pole is kept away from be provided with pneumatic pick on the sheathed tube tip, wear to be equipped with in the sleeve pipe and be used for passing through soil granule's inner tube, the sleeve pipe with inner tube fixed connection, the tunnelling pole is kept away from pneumatic pick's tip with the inner tube is articulated, be provided with in the inner tube and be used for discharging soil granule's first screw rod, be provided with on the sleeve pipe and be used for the drive tunnelling pole moving first drive assembly, be provided with on the sleeve pipe and be used for changing tunnelling pole output position's control assembly, be provided with on the inner tube and be used for the drive first screw rod pivoted second drive assembly. The application has the effect of improving the adaptability of the drill rod to various underground environments and simultaneously facilitating the discharge of soil particles.

Description

Pneumatic well digging and chiseling machine

Technical Field

The application relates to the field of mining machinery, in particular to a pneumatic well digging and chiseling machine.

Background

With the rapid promotion of urban construction in China, the construction scale of urban infrastructures is larger and larger, and deep foundation pits are designed in large quantities in house construction engineering, urban rail traffic engineering and the like; in particular, it is indispensable to construct deep foundation pit under high water level in the south and precipitation well inside or outside the pit. In the process that a common drilling machine continuously goes deep into soil, a drill rod is required to be continuously added to improve the drilling depth, and the continuously added drill rod can improve the overall weight of the drilling device and influence the stability of the device under soft soil. Drilling rod type well drilling devices are easy to seize when encountering hard rock, and meanwhile, the drill rod is difficult to pull out, and rock and soil particles drilled by the drill rod are difficult to discharge when the depth is increased.

Disclosure of Invention

In order to improve the adaptability of the drill rod to various underground environments, and simultaneously facilitate the discharge of soil particles, the application provides a pneumatic well drilling excavator.

The application provides a pneumatic well digging chisel adopts following technical scheme:

the utility model provides a pneumatic well drilling excavator, includes the sleeve pipe and sets up a plurality of tunneling pole on the sleeve pipe, the tunneling pole is kept away from be provided with pneumatic pick on the sheathed tube tip, wear to be equipped with in the sleeve pipe and be used for passing through the inner tube of soil granule, the sleeve pipe with inner tube fixed connection, the tunneling pole is kept away from pneumatic pick's tip with the inner tube is articulated, be provided with in the inner tube and be used for discharging soil granule's first screw rod, be provided with on the sleeve pipe and be used for the drive tunneling pole moving first drive assembly, be provided with on the sleeve pipe and be used for changing tunneling pole output position's control assembly, be provided with on the inner tube and be used for the drive first screw rod pivoted second drive assembly.

Through adopting above-mentioned technical scheme, when carrying out the operation of drawing a well, operating personnel at first confirm the position of drawing a well, lift the sleeve pipe through lifting device, aim at the position of drawing a well with the tunnelling pole and slowly release the sleeve pipe is close to the position of drawing a well, under the soft soil, first drive assembly drive tunnelling pole operation digs soil out, simultaneously second drive assembly drive first screw pole rotates and discharges the soil of digging out outside the inner tube through the screw pole, when meetting hard rock, operating personnel start pneumatic pick, pneumatic pick breaks hard rock at first, then first drive assembly drive tunnelling pole removes and will break the rock and collect, hoist device shifts out the sleeve pipe department, thereby discharge broken hard rock, in order to improve rock crushing efficiency, after pneumatic pick breaks somewhere to rock, operating personnel can control the output angle of pneumatic pick through first drive assembly control tunnelling pole angle, then control assembly changes the output position of tunnelling pole thereby change the output position of pneumatic pick, so that convenient operating personnel digs into each position of hard rock, prevent not fully influencing the advancing efficiency of tunnelling pole because of rock is broken.

Preferably, the first driving assembly comprises a driving cylinder and a pushing rod, a sliding seat is sleeved on the inner tube in a sliding mode, one end of the pushing rod is hinged to the sliding seat, the other end of the pushing rod is hinged to the tunneling rod, the driving cylinder is fixedly connected with the inner side wall of the sleeve, and the output end of the driving cylinder is fixedly connected with the sliding seat.

Through adopting above-mentioned technical scheme, when the tunnelling pole is tunneled to needs, the actuating cylinder starts, and the actuating cylinder drives the slide and removes, and the slide removes and makes the catch bar remove, and the catch bar removes and promotes the tunnelling pole and rotate along its articulated department with the inner tube, thereby the pneumatic pick direction on the tunnelling pole changes, and simultaneously a plurality of tunnelling poles can dig out soil or rock at its middle part, reaches the tunneling effect.

Preferably, an auxiliary pick with a direction different from that of the pneumatic pick is arranged on the end part, far away from the inner tube, of the tunneling rod.

Through adopting above-mentioned technical scheme, auxiliary pick can expand the working range of tunnelling pole, helps pneumatic pick to carry out auxiliary work to its output blind area, further improves the chisel ability of device to hard rock.

Preferably, the control assembly comprises a first connecting pipe, the first connecting pipe penetrates into the sleeve, the first connecting pipe is rotationally connected with the sleeve, the first screw rod penetrates into the first connecting pipe, the first connecting pipe is communicated with the inner pipe, and a third driving assembly used for driving the sleeve to rotate is arranged on the first connecting pipe.

Through adopting above-mentioned technical scheme, after the tunnelling pole is chiseled hard rock some, the third drive assembly drive sleeve pipe rotates, and the sleeve pipe rotates and makes the tunnelling pole position change, and pneumatic pick on the tunnelling pole work again to the area that hard rock was not chiseled to improve the efficiency of chiseling of pneumatic pick to hard rock, prevent to influence the normal tunneling of device because of the broken degree of rock is not enough.

Preferably, the third driving assembly comprises a first gear ring and a first motor, the first gear ring is fixedly connected with the inner end wall of the sleeve close to the first connecting pipe, the first connecting pipe is provided with a first sliding groove which is used for sliding and matching with the first gear ring, the first motor is arranged in the first connecting pipe, a first straight gear is fixedly sleeved on the output end of the first motor, and the first straight gear is meshed with the first gear ring.

Through adopting above-mentioned technical scheme, when needs change tunnelling pole and pneumatic pick direction of working, first motor start, first motor drive first gear rotation always, first gear rotation makes first ring gear rotate around first connecting pipe, and first ring gear motion makes the sleeve pipe motion, thereby tunnelling pole and pneumatic pick direction change.

Preferably, the second driving assembly comprises a supporting seat and a second motor, the supporting seat is fixedly connected with the inner side wall of the first connecting pipe, the first screw rod penetrates through the supporting seat, the first screw rod is rotationally connected with the supporting seat, the second motor is arranged in the supporting seat, a first bevel gear is fixedly sleeved on the output end of the second motor, a second bevel gear is fixedly sleeved on the end part of the supporting seat, and the first bevel gear is meshed with the second bevel gear.

Through adopting above-mentioned technical scheme, when tunnelling pole and pneumatic pick carry out the tunnelling, the first bevel gear of second motor drive rotates, and first bevel gear rotates and makes second bevel gear rotate, and second bevel gear rotates and makes first hob rotate, and first hob rotates and chisels away soil or little rock fragment with the tunnelling pole and shifts outside the tunnelling hole through the inner tube, prevents to lead to the device card to die because of rubble or soil particle accumulation.

Preferably, the anti-slip rod is arranged in the sleeve in a penetrating manner, the anti-slip rod is in sliding connection with the sleeve, one end of the anti-slip rod is in butt joint with the sliding seat, the other end of the anti-slip rod can penetrate out of the sleeve, the end part, close to the sliding seat, of the anti-slip rod is provided with an inclined surface, a first return spring is fixedly connected to the anti-slip rod, and the end part, far away from the anti-slip rod, of the first return spring is fixedly connected with the sleeve.

Through adopting above-mentioned technical scheme, when first cylinder drive slide moved and made the tunnelling pole operation, the slide promoted the antiskid pole and removed, and the antiskid pole removes and contacts with the tunnelling hole inner wall, prevents that the sleeve pipe from sliding, guarantees the application pressure of tunnelling pole to soil.

Preferably, the first connecting pipe is provided with a second connecting pipe for improving the working depth of the first screw rod, the second screw rod is rotationally installed in the second connecting pipe, the second connecting pipe is communicated with the first connecting pipe, the second screw rod is close to the end part of the first screw rod and is provided with a connecting seat, the first screw rod is provided with an inserting rod for being in plug-in fit with the connecting seat, and the second connecting pipe is provided with a fixing component for being connected with the first connecting pipe.

Through adopting above-mentioned technical scheme, when the tunneling degree of depth increases, the length of first hob has unable to carry over soil normal discharge with the tunneling, and operating personnel installs the second connecting pipe to first connecting pipe this moment to be fixed in on the first connecting pipe with the second connecting pipe through fixed subassembly, insert the inserted bar on the first hob simultaneously and insert in the connecting seat on the second hob, when first hob rotates, the second hob rotates simultaneously, the soil of helping the depths is normally discharged through first connecting pipe and second connecting pipe.

Preferably, the fixed subassembly includes the connection lead screw, the connection lead screw wears to locate on the second connecting pipe is close to on the tip of first connecting pipe, the connection lead screw with the second connecting pipe rotates to be connected, the connection lead screw is kept away from the tip of second connecting pipe penetrates in the first connecting pipe, set up in the first connecting pipe be used for with connection lead screw-fit's first connecting hole, fixed cover is equipped with the second spur gear on the connection lead screw, rotate on the second connecting pipe and install the second ring gear, the second ring gear with second spur gear intermeshing, it has the restriction pole to articulate on the second ring gear, the second ring gear with the restriction pole junction is provided with the torsional spring, set up on the second connecting pipe be used for holding the holding tank of restriction pole, set up on the second connecting pipe be used for with adjacent the second connecting hole that the second connecting pipe is connected.

Through adopting above-mentioned technical scheme, after operating personnel aligns the connecting screw on the second connecting pipe with the first connecting hole on the first connecting pipe, operating personnel rotates the restriction pole, the restriction pole rotates and makes the second ring gear remove, the second ring gear removes and makes the second straight-tooth gear rotate, the second straight-tooth gear rotates and makes the connecting screw rotate, the connecting screw rotates and makes the connecting screw enter into in the first connecting hole, after the connection is accomplished, operating personnel can put into the holding tank with the restriction pole, prevent to get into in the tunnelling pore at the second connecting pipe and cause the mistake to touch and influence the connection between first connecting pipe and the second connecting pipe.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through setting up tunnelling pole and pneumatic pick, change original tunneling mode, can break and snatch broken rock outside the pore effectively, behind the pneumatic pick breaks rock somewhere, thereby the output angle of pneumatic pick can be controlled through first drive assembly control tunnelling pole angle, then the control assembly changes tunnelling pole output position thereby changes pneumatic pick's output position, so that make things convenient for the operating personnel to carry out the chisel to each position of hard rock, prevent to influence tunnelling pole's propulsion efficiency incompletely because of rock breakage;

2. by arranging the anti-skid rod, when the first cylinder drives the sliding seat to move so that the tunneling rod runs, the sliding seat pushes the anti-skid rod to move, the anti-skid rod moves and contacts with the inner wall of the tunneling hole, the sleeve is prevented from sliding, and the pressure applied by the tunneling rod to soil is ensured;

3. through setting up fixed subassembly and second connecting pipe, when the tunneling degree of depth increases, the length of first hob has unable to carry over soil normal discharge with the tunneling, and operating personnel installs the second connecting pipe to first connecting pipe this moment to be fixed in on the first connecting pipe with the second connecting pipe through fixed subassembly, insert the connecting seat on the second hob on the first hob simultaneously, in first hob pivoted, the second hob rotates simultaneously, the soil of helping the depths is through first connecting pipe and the normal discharge of second connecting pipe.

Drawings

Fig. 1 is a schematic structural view of a pneumatic drilling excavator according to an embodiment of the present application.

Fig. 2 is a schematic diagram of the structure at a in fig. 1.

Fig. 3 is a schematic structural view of a second driving assembly according to an embodiment of the present application.

Fig. 4 is a schematic structural view of a first driving assembly according to an embodiment of the present application.

Reference numerals illustrate:

1. a sleeve; 11. tunneling rod; 12. pneumatic pick; 121. an auxiliary pick; 13. an inner tube; 14. a first screw rod; 15. a first connection pipe; 16. a second connection pipe; 17. a second screw rod; 2. a first drive assembly; 21. a driving cylinder; 22. a push rod; 23. a slide; 24. a first ring gear; 25. a first motor; 26. a first straight gear; 3. a second drive assembly; 31. a support base; 32. a second motor; 33. a first bevel gear; 34. a second bevel gear; 35. an anti-skid bar; 351. a first return spring; 4. a fixing assembly; 41. connecting a screw rod; 42. a second spur gear; 43. a second ring gear; 44. and a restraining bar.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

The embodiment of the application discloses a pneumatic well drilling excavator. Referring to fig. 1, a pneumatic well drilling excavator comprises a casing 1, a first connection pipe 15 and a second connection pipe 16.

Referring to fig. 1, the second connection pipe 16 is vertically disposed, the first connection pipe 15 is abutted with one end of the second connection pipe 16, and the first connection pipe 15 is communicated with the second connection pipe 16. The sleeve 1 is sleeved on the end part of the first connecting pipe 15 far away from the second connecting pipe 16, and the sleeve 1 is rotationally connected with the first connecting pipe 15.

Referring to fig. 1 and 2, the second connection pipe 16 is provided with a fixing assembly 4, and the fixing assembly 4 includes a connection screw 41. The connecting screw 41 is arranged on the end part of the second connecting pipe 16, which is close to the first connecting pipe 15 in a penetrating way, and the connecting screw 41 is connected with the second connecting pipe 16 in a rotating way. The connecting screw rods 41 are provided in four, and the four connecting screw rods 41 are arranged at intervals around the circumferential direction of the second connecting pipe 16.

Referring to fig. 2 and 3, the end of the connection screw 41 remote from the second connection pipe 16 penetrates into the first connection pipe 15, and the first connection pipe 15 is provided with a first connection hole along the length direction thereof, and the connection screw 41 penetrates into the first connection hole. The connecting screw rods 41 are in threaded fit with the first connecting holes, and the connecting screw rods 41 are in one-to-one correspondence with the first connecting holes. The end part of the second connecting pipe 16 far away from the first connecting pipe 15 is provided with a plurality of second connecting holes, and a plurality of second connecting Kong Raodi are arranged at intervals in the circumferential direction of the second connecting pipe 16.

Referring to fig. 2 and 3, a second spur gear 42 is fixedly sleeved on the end portion, far away from the first connecting pipe 15, of the connecting screw rod 41, a second gear ring 43 is sleeved on the end portion, close to the first connecting pipe 15, of the second connecting pipe 16, the second gear ring 43 is rotationally connected with the second connecting pipe 16, and a plurality of second spur gears 42 are meshed with the second gear ring 43. The side wall of the second gear ring 43 far away from the second spur gear 42 is hinged with a limiting rod 44, a torsion spring is arranged at the hinged position of the limiting rod 44 and the second gear ring 43, an accommodating groove is formed in the end part, close to the first connecting pipe 15, of the second connecting pipe 16, and the limiting rod 44 is in sliding fit with the inner side wall of the accommodating groove.

Referring to fig. 2 and 3, after an operator aligns the connection screw 41 on the second connection pipe 16 with the first connection hole on the first connection pipe 15, the operator rotates the restriction rod 44, the restriction rod 44 rotates to enable the second gear ring 43 to move, the second gear ring 43 moves to enable the second spur gear 42 to rotate, the second spur gear 42 rotates to enable the connection screw 41 to rotate, the connection screw 41 rotates to enable the connection screw 41 to enter the first connection hole, and after connection is completed, the operator can put the restriction rod 44 into the accommodating groove to prevent the connection between the first connection pipe 15 and the second connection pipe 16 from being affected by false contact caused by the second connection pipe 16 entering the tunneling duct.

Referring to fig. 3, a first screw 14 is inserted into the first connection pipe 15, and a second screw 17 is inserted into the second connection pipe 16. The second screw rod 17 is rotationally connected with the inside wall of the second connecting pipe 16, the connecting seat is fixedly connected with the end part of the second screw rod 17, which is close to the first screw rod 14, the inserting rod is fixedly connected with the end part of the first screw rod 14, which is close to the second screw rod 17, the inserting rod is rectangular in section, the end part of the inserting rod, which is far away from the first screw rod 14, penetrates into the connecting seat, and the inserting rod is in plug-in fit with the connecting seat.

Referring to fig. 3, when the tunneling depth increases, the length of the first screw 14 has failed to normally discharge the tunneling legacy soil, and at this time, the operator mounts the second connection pipe 16 to the first connection pipe 15 while inserting the insert rod of the first screw 14 into the connection seat of the second screw 17, and while the first screw 14 rotates, the second screw 17 rotates simultaneously, helping the deeper soil to normally discharge through the first connection pipe 15 and the second connection pipe 16.

Referring to fig. 3, the first connection pipe 15 is provided with a second driving assembly 3, and the second driving assembly 3 includes a support seat 31 and a second motor 32. The supporting seat 31 is disposed in the first connecting tube 15, the supporting seat 31 is fixedly connected with the inner side wall of the first connecting tube 15, the first screw rod 14 passes through the supporting seat 31, and the first screw rod 14 is rotatably connected with the supporting seat 31. The second motor 32 is disposed in the supporting seat 31, a first bevel gear 33 is fixedly sleeved on an output end of the second motor 32, a second bevel gear 34 is fixedly sleeved on an end portion of the first screw rod 14 located in the supporting seat 31, and the first bevel gear 33 and the second bevel gear 34 are meshed with each other.

Referring to fig. 3, when the device is tunneled, the second motor 32 is started, the second motor 32 drives the first bevel gear 33 to rotate, the first bevel gear 33 rotates to enable the second bevel gear 34 to rotate, the second bevel gear 34 rotates to enable the first screw rod 14 to rotate, and the first screw rod 14 rotates to enable the tunnelling rod 11 to remove soil or small rock fragments to be transferred to the outside of a tunnelling hole through the inner pipe 13, so that the device is prevented from being blocked due to broken stone or soil particle accumulation.

Referring to fig. 4, a third driving assembly is provided on the first connecting pipe 15, and includes a first ring gear 24 and a first motor 25. The first gear ring 24 is fixedly connected with the inner end wall of the sleeve 1 close to the first connecting pipe 15, and the first gear ring 24 penetrates into the first connecting pipe 15. The first connecting pipe 15 is provided with a first sliding groove around the circumferential direction thereof, and the first gear ring 24 is slidably connected with the inner side wall of the first sliding groove. The first motor 25 is arranged in the end part of the first connecting pipe 15, which is close to the sleeve 1, a first straight gear 26 is fixedly sleeved on the output end of the first motor 25, the first straight gear 26 penetrates into the first sliding groove, and the first straight gear 26 is meshed with the first gear ring 24.

Referring to fig. 4, an inner tube 13 is disposed in the sleeve 1, the inner tube 13 is fixedly connected with the inner side wall of the sleeve 1, the end portion of the first screw rod 14 far away from the second connecting tube 16 penetrates into the inner tube 13, and the inner tube 13 is communicated with the first connecting tube 15.

Referring to fig. 4, a plurality of tunneling rods 11 are hinged to the end of the inner tube 13 far from the first connecting tube 15, the tunneling rods 11 are arc-shaped in cross section, and the tunneling rods 11 are arranged at intervals around the circumference of the inner tube 13. The end of the tunneling rod 11 far away from the inner pipe 13 is provided with a plurality of pneumatic picks 12, and the pneumatic picks 12 are provided with cone-shaped ends. An auxiliary pick 121 is arranged on the single tunneling rod 11, and the direction of the auxiliary pick 121 is different from that of the pneumatic pick 12. The auxiliary pick 121 can expand the working range of the tunneling rod 11, help the pneumatic pick 12 to assist in working the output blind area of the tunneling rod, and further improve the drilling capability of the device on hard rocks.

Referring to fig. 4, a first driving assembly 2 is provided on the sleeve 1, and the first driving assembly 2 includes a driving cylinder 21 and a push rod 22. The driving cylinders 21 are arranged in two, the two driving cylinders 21 are symmetrically arranged along the axial direction of the sleeve 1, and the driving cylinders 21 are fixedly connected with the inner side wall of the sleeve 1. The inner tube 13 is sleeved with a sliding seat 23, the sliding seat 23 is in sliding connection with the inner tube 13, and the output ends of the two driving cylinders 21 are fixedly connected with the sliding seat 23. One end of the pushing rod 22 is rotatably connected with the sliding seat 23, the other end of the pushing rod 22 is rotatably connected with the tunneling rod 11, and the pushing rods 22 are in one-to-one correspondence with the tunneling rods 11.

Referring to fig. 3 and 4, when performing well drilling operation, an operator firstly determines a well drilling position, lifts the sleeve 1 through a lifting device, aligns the tunneling rod 11 to the well drilling position and slowly releases the sleeve 1 to approach the well drilling position, a driving cylinder 21 is started, the driving cylinder 21 drives a sliding seat 23 to move, the sliding seat 23 moves to enable a pushing rod 22 to move, the pushing rod 22 moves and pushes the tunneling rod 11 to rotate along the hinge joint of the pushing rod 22 and the inner tube 13, the direction of a pneumatic pick 12 on the tunneling rod 11 is changed, meanwhile, a plurality of tunneling rods 11 can dig soil or rock in the middle of the tunneling rod 11 to achieve the tunneling effect, when the working directions of the tunneling rod 11 and the pneumatic pick 12 need to be changed, a first motor 25 is started, a first straight gear 26 is driven to rotate, a first gear 24 rotates around a first connecting tube 15, the first gear 24 moves to enable the sleeve 1 to move, and the directions of the tunneling rod 11 and the pneumatic pick 12 are changed;

when the tunneling rod 11 and the pneumatic pick 12 are tunneling, the second motor 32 is started, the second motor 32 drives the first bevel gear 33 to rotate, the first bevel gear 33 rotates to enable the second bevel gear 34 to rotate, the second bevel gear 34 rotates to enable the first screw rod 14 to rotate, and the first screw rod 14 rotates to remove soil or small rock fragments from the tunneling rod 11 and transfer the small rock fragments to the outside of a tunneling hole through the inner pipe 13, so that the device is prevented from being blocked due to broken stone or soil particle accumulation.

Referring to fig. 3 and 4, a plurality of anti-slip bars 35 are arranged on the end part of the sleeve 1, which is close to the tunneling rod 11, and the anti-slip bars 35 are arranged at intervals around the circumference direction of the sleeve 1, and the anti-slip bars 35 are in sliding connection with the sleeve 1. One end of the anti-skid rod 35 penetrates into the sleeve 1, the end of the anti-skid rod 35 positioned in the sleeve 1 is abutted with the sliding seat 23, and an inclined plane is arranged at the end of the anti-skid rod 35 close to the sliding seat 23. The anti-skid rod 35 is provided with a first return spring 351, one end of the first return spring 351 is fixedly connected with the anti-skid rod 35, and the other end of the first return spring 351 is fixedly connected with the inner side wall of the sleeve 1. When the first cylinder drives the sliding seat 23 to move so that the tunneling rod 11 runs, the sliding seat 23 pushes the anti-sliding rod 35 to move, the anti-sliding rod 35 moves and contacts with the inner wall of the tunneling hole, the sleeve 1 is prevented from sliding, and the pressure of the tunneling rod 11 on soil is ensured.

The implementation principle of the pneumatic well drilling and chiseling machine is as follows: when well drilling operation is carried out, an operator firstly determines a well drilling position, the casing 1 is lifted through lifting equipment, the tunneling rod 11 is aligned to the well drilling position, the casing 1 is slowly released to approach the well drilling position, under soft soil, the tunneling rod 11 is driven by the first driving component 2 to move to excavate soil, meanwhile, the first spiral rod 14 is driven by the second driving component 3 to rotate to drain the excavated soil out of the inner pipe 13 through the spiral rod, when encountering hard rock, the operator starts the pneumatic pick 12, the pneumatic pick 12 breaks hard rock firstly, then the tunneling rod 11 is driven by the first driving component 2 to move to break the rock, the casing 1 is moved out of a foundation pit by the lifting device, so that broken hard rock is drained, in order to improve rock breaking efficiency, after the pneumatic pick 12 breaks a part of the rock, the operator can control the output angle of the pneumatic pick 12 through the first driving component 2, then the output position of the driving rod 11 is changed by the control component, the output position of the pneumatic pick 12 is changed, thus the operator can conveniently drill each position of the hard rock, and the hard rock is prevented from being broken by the operator.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (9)

1. A pneumatic well drilling and chiseling machine, characterized in that: including sleeve pipe (1) and set up in a plurality of tunnelling pole (11) on sleeve pipe (1), tunnelling pole (11) keep away from be provided with pneumatic pick (12) on the tip of sleeve pipe (1), wear to be equipped with in sleeve pipe (1) to be used for through soil granule's inner tube (13) fixed connection, tunnelling pole (11) keep away from the tip of pneumatic pick (12) with inner tube (13) are articulated, be provided with first hob (14) that are used for discharging soil granule in inner tube (13), be provided with on sleeve pipe (1) and be used for the drive first drive assembly (2) of tunnelling pole (11) operation, be provided with on sleeve pipe (1) and be used for changing tunnelling pole (11) output position's control assembly, be provided with on inner tube (13) and be used for driving first hob (14) pivoted second drive assembly (3).

2. A pneumatic well drilling and chiseling machine according to claim 1, wherein: the first driving assembly (2) comprises a driving air cylinder (21) and a pushing rod (22), a sliding seat (23) is sleeved on the inner tube (13) in a sliding mode, one end of the pushing rod (22) is hinged to the sliding seat (23), the other end of the pushing rod (22) is hinged to the tunneling rod (11), the driving air cylinder (21) is fixedly connected with the inner side wall of the sleeve (1), and the output end of the driving air cylinder (21) is fixedly connected with the sliding seat (23).

3. A pneumatic well drilling and chiseling machine according to claim 2, wherein: an auxiliary pick (121) with a direction different from that of the pneumatic pick (12) is arranged on the end part, far away from the inner pipe (13), of the tunneling rod (11).

4. A pneumatic well drilling and chiseling machine according to claim 1, wherein: the control assembly comprises a first connecting pipe (15), the first connecting pipe (15) penetrates into the sleeve (1), the first connecting pipe (15) is rotationally connected with the sleeve (1), the first screw rod (14) penetrates into the first connecting pipe (15), the first connecting pipe (15) is communicated with the inner pipe (13), and a third driving assembly used for driving the sleeve (1) to rotate is arranged on the first connecting pipe (15).

5. A pneumatic well drilling and chiseling machine according to claim 4, wherein: the third drive assembly comprises a first gear ring (24) and a first motor (25), the first gear ring (24) is close to the sleeve (1) and fixedly connected with the inner end wall of the first connecting pipe (15), a first sliding groove which is used for sliding and matching with the first gear ring (24) is formed in the first connecting pipe (15), the first motor (25) is arranged in the first connecting pipe (15), a first straight gear (26) is fixedly sleeved on the output end of the first motor (25), and the first straight gear (26) is meshed with the first gear ring (24).

6. A pneumatic well drilling and chiseling machine according to claim 4, wherein: the second driving assembly (3) comprises a supporting seat (31) and a second motor (32), the supporting seat (31) is fixedly connected with the inner side wall of the first connecting pipe (15), the first spiral rod (14) penetrates through the supporting seat (31), the first spiral rod (14) is rotatably connected with the supporting seat (31), the second motor (32) is arranged in the supporting seat (31), a first bevel gear (33) is fixedly sleeved on the output end of the second motor (32), the first spiral rod (14) is positioned on the end part of the supporting seat (31) and fixedly sleeved with a second bevel gear (34), and the first bevel gear (33) is meshed with the second bevel gear (34).

7. A pneumatic well drilling and chiseling machine according to claim 2, wherein: slide bar (35) are worn to be equipped with in sleeve pipe (1), slide bar (35) with sleeve pipe (1) sliding connection, slide bar (35) one end with slide (23) butt, the slide bar (35) other end of complaining can wear out sleeve pipe (1), slide bar (35) are close to the tip of slide (23) is provided with the inclined plane, first return spring (351) of fixedly connected with on slide bar (35), first return spring (351) are kept away from slide bar (35)'s tip with sleeve pipe (1) fixed connection.

8. A pneumatic well drilling and chiseling machine according to claim 4, wherein: the utility model discloses a spiral pole, including first connecting pipe (14), second connecting pipe (16) and fixed subassembly (4) that are used for being connected with first connecting pipe (15), be provided with on first connecting pipe (15) and be used for improving second connecting pipe (16) of first spiral pole (14) working depth, second connecting pipe (16) rotation is installed second spiral pole (17), second connecting pipe (16) with first connecting pipe (15) are linked together, second spiral pole (17) are close to be provided with the connecting seat on the tip of first spiral pole (14), be provided with on first spiral pole (14) be used for with connecting seat grafting complex inserted bar, be provided with on second connecting pipe (16) be used for with fixed subassembly (4) that first connecting pipe (15) are connected.

9. A pneumatic well drilling and chiseling machine according to claim 8, wherein: the fixed subassembly (4) is including connecting lead screw (41), connect lead screw (41) wear to locate second connecting pipe (16) are close to on the tip of first connecting pipe (15), connect lead screw (41) with second connecting pipe (16) rotate and connect, connect lead screw (41) keep away from the tip of second connecting pipe (16) penetrates in first connecting pipe (15), set up in first connecting pipe (15) be used for with connect lead screw (41) screw-thread fit's first connecting hole, fixed cover is equipped with second spur gear (42) on connecting lead screw (41), rotation installs second ring gear (43) on second connecting pipe (16), second ring gear (43) with second spur gear (42) intermeshing, it has restriction pole (44) to articulate on second ring gear (43), second ring gear (43) with restriction pole (44) junction is provided with the torsional spring, set up on second ring gear (16) be used for holding restriction pole (44) holding groove, second connecting pipe (16) are used for setting up on adjacent connecting pipe (16).