CN212837603U - Drilling device - Google Patents

Abstract

The utility model relates to a drilling device, this drilling device includes drill bit, pneumatic cylinder, hydraulic motor, mounting bracket and protection casing, the pneumatic cylinder sets up on the mounting bracket, the hydraulic motor is located the below of pneumatic cylinder, and the top of hydraulic motor is connected with the piston rod of pneumatic cylinder, the drill bit sets up in the below of hydraulic motor along vertical direction, and the top of drill bit and hydraulic motor's output shaft, the mounting bracket sets up in the top of waiting to drill the position, so that the bottom of drill bit aims at waiting to drill the position; the protection casing seals, bottom open-ended tubular structure for the top, and the protection casing can set up on the mounting bracket with reciprocating, and on the top of protection casing can reciprocate and can rotationally overlap the output shaft of locating hydraulic motor, the drill bit stretched into the inside of protection casing, and the bottom opening of protection casing will treat that drilling position cover is located in the protection casing. The utility model provides a drilling equipment in pit lack the protective structure to the rubble, the lower technical problem of security and operating efficiency.

Description

Drilling device

Technical Field

The utility model relates to an oil recovery engineering technical field, it is further, relate to a drilling equipment, especially relate to a device that drills is carried out rock in the pit.

Background

The working principle of the drilling device (namely, a drilling machine) is that a motor rotor of an electromagnetic rotary type or electromagnetic reciprocating type small-capacity motor is used for making the motion of a cutting magnetic field, and a transmission mechanism is used for driving an operating device, so that the power of a drill bit is increased, the drill bit can scrape the surface of an object, and the object can be better drilled through.

At present, the drilling device still has various defects and shortcomings in the using process: firstly, due to the limitation of underground space, the existing drilling device lacks a protective structure, the drilling device is easily damaged by splashed broken stones in the operation process, and the broken stones also threaten the safety of workers; secondly, the rubble that current drilling equipment drilled out is difficult to the clearance, just need remove drilling equipment after working a period and clear up the rubble, not only increases staff's intensity of labour, and the accumulation of rubble can lead to the reduction of drilling efficiency moreover, influences the normal clear-going of drilling operation.

Aiming at the problems that the underground drilling device in the related art is lack of a protection structure for broken stones and the safety and the operation efficiency are low, an effective solution is not provided at present.

Therefore, the inventor provides a drilling device by virtue of experience and practice of related industries for many years so as to overcome the defects of the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a drilling equipment, the degree of depth of creeping into of adjustable drill bit guarantees that the drill bit is aimed at and is treated the drilling position, and is provided with the protection casing in the drill bit with the top of treating the drilling position, can intercept the rubble that splashes in the drilling process through the protection casing, prevents effectively that the rubble from splashing and hindering the people or damaging the machine equipment, improves the security of drilling operation greatly.

Another object of the utility model is to provide a drilling equipment can promote and collect the rubble that the drilling in-process produced automatically in the casing, can carry out the clearance of rubble in drilling, guarantees the unblocked of protection casing and drilling position, easy operation, convenient, and the clearance rubble is efficient, and can not lead to the fact the influence to the drilling operation, reduces staff's intensity of labour, effectively improves work efficiency.

The purpose of the utility model can be realized by adopting the following technical scheme:

the utility model provides a drilling device, drilling device is including the drill bit that carries out the drilling operation, right the drilling depth of drill bit carries out the pneumatic cylinder controlled, drives drill bit pivoted hydraulic motor, right the drill bit carries out fixed mounting bracket and carries out the protection casing of interception to the rubble that splashes, wherein:

the hydraulic cylinder is arranged on the mounting frame, the hydraulic motor is positioned below the hydraulic cylinder, the top of the hydraulic motor is connected with a piston rod of the hydraulic cylinder, the drill bit is arranged below the hydraulic motor in the vertical direction, the top end of the drill bit is connected with an output shaft of the hydraulic motor, and the mounting frame is arranged above a position to be drilled so that the bottom end of the drill bit is aligned with the position to be drilled;

the protection casing seals, bottom open-ended tubular structure for the top, the protection casing can set up with reciprocating in on the mounting bracket, the top of protection casing can reciprocate and can rotate to locate with the cover on hydraulic motor's the output shaft, the drill bit stretches into extremely the inside of protection casing, the bottom opening of protection casing will treat that the drilling position cover is located in the protection casing.

In a preferred embodiment of the present invention, the mounting frame includes a supporting plate and two supporting columns, two of the supporting columns are respectively disposed at two opposite side edges of the supporting plate, the top end of each of the supporting columns is connected to the supporting plate, and the bottom end of each of the supporting columns is disposed with a bottom plate.

In a preferred embodiment of the present invention, a plurality of ribs are disposed between the bottom plate and the supporting pillars.

In a preferred embodiment of the present invention, the bottom plate is provided with a fastening screw for fixing the bottom plate.

The utility model discloses an in a preferred embodiment, the pneumatic cylinder is fixed set up in the top of backup pad, the piston rod of pneumatic cylinder passes along vertical direction the backup pad and stretch into extremely the below of backup pad, the piston rod of pneumatic cylinder with be connected with the mounting panel between the hydraulic motor.

The utility model discloses an in a preferred embodiment, the mounting panel set up in the below of backup pad, the piston rod of pneumatic cylinder with the top of mounting panel is connected, hydraulic motor with the bottom of mounting panel is connected, the below of backup pad is provided with an at least guide bar, the top of guide bar with the bottom of backup pad is connected, seted up on the mounting panel with the guiding hole that the guide bar position corresponds, the guide bar passes corresponding guiding hole, so that the mounting panel can be followed the guide bar reciprocates.

In a preferred embodiment of the present invention, the bottom end of the guide rod is provided with a stopper.

The utility model discloses an in a preferred embodiment, drilling equipment is still including driving first motor, lead screw and the nut that the protection casing reciprocated, the output shaft of first motor with the lead screw is connected, the upper portion and the lower part of support column are provided with two fixed plates that parallel respectively, the top of lead screw with be located one of top the fixed plate can be connected with rotating, the bottom of lead screw and another that is located the below the fixed plate can be connected with rotating, the nut cover is located on the lead screw, just the nut with lead screw threaded connection, the outer wall of nut with the top outer wall connection of protection casing.

The utility model discloses an in a preferred embodiment, first installation through-hole has been seted up on the fixed plate, the lead screw passes first installation through-hole, just the inner wall of first installation through-hole with be provided with first bearing between the outer wall of lead screw.

The utility model discloses an in a preferred embodiment, two all be provided with on the support column the fixed plate, first motor the lead screw with the quantity of nut is two, and sets up respectively in two on the support column, two the nut respectively with the double-phase offside wall connection in top of protection casing.

The utility model discloses an in a preferred embodiment, the drill bit with be provided with the pivot between hydraulic motor's the output shaft, the top of pivot with hydraulic motor's output shaft, the bottom of pivot with the top of drill bit is connected, can reciprocate in the pivot and can rotate the ground cover and be equipped with the sliding sleeve, the second installation through-hole has been seted up at the top of protection casing, the drill bit with the sliding sleeve passes second installation through-hole, just the inner wall of second installation through-hole with be provided with the second bearing between the outer wall of sliding sleeve.

In a preferred embodiment of the present invention, the top end of the rotating shaft is fixed with a first limiting ring, and the bottom end of the rotating shaft is fixed with a second limiting ring.

In a preferred embodiment of the present invention, the drilling device further includes a housing for collecting and cleaning the gravel in the protective cover, a screw rod for lifting the gravel in the protective cover into the housing, and a second motor, the housing is disposed above the supporting plate, an accommodating chamber is formed inside the housing, an upper portion of the screw rod is located in the accommodating chamber, a top end of the screw rod is connected to an output shaft of the second motor, and a bottom end of the screw rod sequentially passes through a bottom inner wall of the accommodating chamber, the supporting plate, and a top outer wall of the protective cover and extends into the protective cover;

the outer wall of the screw rod is provided with threads for bearing the broken stone, so that the screw rod is driven to rotate through the second motor, and the broken stone is lifted into the accommodating cavity along with the threads.

The present invention provides a preferred embodiment, the holding cavity is provided with a fixing bracket for the second motor, the second motor is disposed on the top of the bracket, and the output shaft of the second motor extends to the lower part of the bracket and is connected to the top end of the screw rod.

The utility model discloses an in a preferred embodiment, drilling equipment still includes first sleeve and second sleeve, the telescopic top of second with the bottom of casing is connected, just the telescopic inside of second with the holding chamber is linked together, the telescopic bottom of second with first telescopic top is connected, first sleeve passes the backup pad, first telescopic outer wall with the backup pad is connected, first telescopic bottom with the top of protection casing is connected, just first telescopic inside with the inside of protection casing is linked together, first telescopic inside with the inside cooperation of second forms and supplies the rubble promotes to the passageway in the holding intracavity, the screw rod passes in proper order the telescopic inside of second with the inside of first sleeve and stretch into to the inside of protection casing.

In a preferred embodiment of the present invention, the edge of the bottom opening of the protective cover is provided with a cushion pad.

In a preferred embodiment of the present invention, the mounting frame and the protection cover are made of steel material.

From top to bottom, the utility model discloses a drilling equipment's characteristics and advantage are: through the mounting bracket with the drill bit, pneumatic cylinder and hydraulic motor are fixed in the pit, the piston rod and the hydraulic motor of pneumatic cylinder are connected, hydraulic motor's output shaft is connected with the top of drill bit, treat the drilling position in the well is aimed at to the bottom of drill bit, the length that stretches out the piston rod through the control pneumatic cylinder is adjusted the drilling depth of drill bit, and the output shaft through hydraulic motor drives the drill bit and rotates, thereby guarantee that the drill bit can treat the drilling position and stabilize drilling operation, moreover, the steam generator is simple in structure, small, be suitable for in the well effect, and has convenient to use, the advantage of being convenient for control. In addition, be provided with the protection casing that can reciprocate on the mounting bracket, after the drill bit position has been adjusted, control protection casing downstream will treat the drilling position cover with the bottom opening through the protection casing and locate the protection casing in, the drill bit is in the drilling process, and the rubble that the protection casing will splash is intercepted in the protection casing, prevents effectively that the rubble from splashing and hurting people or damage machine equipment, has improved the security and the work efficiency of drilling operation.

Drawings

The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:

FIG. 1: do the utility model discloses the structure schematic diagram of embodiment one among the drilling equipment.

FIG. 2: do the second embodiment of the drilling device of the present invention.

FIG. 3: do the utility model discloses the partial enlargements of sliding sleeve and protection casing hookup location among the drilling equipment.

FIG. 4: do the utility model discloses the top of lead screw and the local enlarger of fixed plate hookup location among the drilling equipment.

FIG. 5: do the utility model discloses the bottom of lead screw and the local enlarger of fixed plate hookup location among the drilling equipment.

The utility model provides an reference numeral does:

1. a support plate; 2. A support pillar;

3. reinforcing ribs; 4. A base plate;

5. a protective cover; 6. A cushion pad;

7. a sliding sleeve; 8. A rotating shaft;

9. a drill bit; 10. A hydraulic motor;

11. a guide bar; 12. Mounting a plate;

13. a fixing plate; 14. A screw rod;

15. a nut; 16. A first motor;

17. a hydraulic cylinder; 18. A first sleeve;

19. a second sleeve; 20. A housing;

21. a support; 22. A second motor;

23. a screw; 24. A second bearing;

25. an accommodating cavity; 26. A first bearing;

27. a first limit ring; 28. A second stop collar;

29. a limiting block; 30. And (5) fastening the screw.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings.

As shown in fig. 1 and 2, the utility model provides a drilling device, this drilling device include drill bit 9, pneumatic cylinder 17, hydraulic motor 10, mounting bracket and protection casing 5, and drill bit 9 is used for treating the drilling position to carry out the drilling operation in the well, and pneumatic cylinder 17 is used for adjusting the drilling depth of drill bit 9, and hydraulic motor 10 is used for driving drill bit 9 and rotates, and the mounting bracket is used for fixing drill bit 9, and protection casing 5 is used for intercepting the rubble that splashes. Wherein: the hydraulic cylinder 17 is arranged on the mounting frame, the hydraulic motor 10 is positioned below the hydraulic cylinder 17, the top of the hydraulic motor 10 is connected with a piston rod of the hydraulic cylinder 17, the drill bit 9 is arranged below the hydraulic motor 10 along the vertical direction, the top end of the drill bit 9 is connected with an output shaft of the hydraulic motor 10, and the mounting frame is arranged above the position to be drilled so that the bottom end of the drill bit 9 is aligned with the position to be drilled; the protection casing 5 seals for the top, bottom open-ended tubular structure, and protection casing 5 can set up on the mounting bracket with reciprocating, and on the output shaft of hydraulic motor 10 was located to the top of protection casing 5 can reciprocate and can rotate ground cover, drill bit 9 stretched into the inside to protection casing 5, and the bottom opening of protection casing 5 will treat that the drilling position cover is located in protection casing 5.

The utility model discloses a mounting bracket is with drill bit 9, pneumatic cylinder 17 and hydraulic motor 10 are fixed in the pit, the piston rod of pneumatic cylinder 17 is connected with hydraulic motor 10, hydraulic motor 10's output shaft is connected with the top of drill bit 9, the position of waiting to drill in the well is aimed at to the bottom of drill bit 9, the length that stretches out through the piston rod of control pneumatic cylinder 17 is adjusted the drilling depth of drill bit 9, and the output shaft through hydraulic motor 10 drives drill bit 9 and rotates, thereby guarantee that drill bit 9 can treat the drilling position and stabilize the drilling operation, moreover, the steam generator is simple in structure, small, be suitable for in the well effect, and has convenient to use, the advantage of being convenient for control. In addition, be provided with the protection casing 5 that can reciprocate on the mounting bracket, after adjusting the 9 positions of drill bit, control protection casing 5 downstream will treat the drilling position cover to locate in protection casing 5 with the bottom opening through protection casing 5, and drill bit 9 is carrying out the drilling in-process, and protection casing 5 intercepts the rubble that splashes in protection casing 5, prevents effectively that the rubble from splashing and hurting people or damage machine equipment, has improved the security and the work efficiency of drilling operation.

Further, as shown in fig. 1 and 2, a cushion pad 6 is arranged at the edge of the opening at the bottom of the protective cover 5, and the cushion pad 6 plays a role of buffering and protecting the bottom of the protective cover 5, so that the bottom of the protective cover 5 is prevented from being damaged in the long-term use process, and the service life of the protective cover 5 is prolonged.

Further, the cushion pad 6 may be made of, but not limited to, rubber.

Further, the mounting bracket and the shield 5 may be made of, but not limited to, steel.

In an optional embodiment of the present invention, as shown in fig. 1 and fig. 2, the mounting rack includes a supporting plate 1 disposed along a horizontal direction and two supporting columns 2 disposed along a vertical direction, the two supporting columns 2 are respectively disposed at two opposite side edges of the supporting plate 1, a top end of each supporting column 2 is fixedly connected to a bottom of the supporting plate 1, a bottom plate 4 is disposed at a bottom end of each supporting column 2, a plurality of fastening screws 30 are disposed on the bottom plate 4, and the bottom plate 4 is fixed by the fastening screws 30, so as to stably fix the mounting rack in the well.

Further, as shown in fig. 1 and 2, the top of the bottom plate 4 is connected with the bottom end of the support column 2, a plurality of reinforcing ribs 3 are arranged between the top of the bottom plate 4 and the outer wall of the lower part of the support column 2, and the stability of connection between the bottom plate 4 and the support column 2 is improved through the arrangement of the reinforcing ribs 3.

In an optional embodiment of the present invention, as shown in fig. 1 and fig. 2, the hydraulic cylinder 17 is fixedly disposed at the top middle position of the supporting plate 1, the piston rod of the hydraulic cylinder 17 passes through the supporting plate 1 along the vertical direction and extends into the lower portion of the supporting plate 1, and the mounting plate 12 is connected between the piston rod of the hydraulic cylinder 17 and the hydraulic motor 10.

Specifically, as shown in fig. 1 and fig. 2, the mounting plate 12 is disposed below the supporting plate 1 along the horizontal direction, a piston rod of the hydraulic cylinder 17 is connected to the top of the mounting plate 12, the hydraulic motor 10 is connected to the bottom of the mounting plate 12, at least one guide rod 11 is disposed below the supporting plate 1 along the vertical direction, the top end of the guide rod 11 is connected to the bottom of the supporting plate 1, the mounting plate 12 is provided with a guide hole corresponding to the position of the guide rod 11, the guide rod 11 penetrates through the corresponding guide hole, so that the mounting plate 12 can move up and down along the guide rod 11, and the guide rod 11 guides the mounting plate 12, thereby ensuring the hydraulic motor 10 to move up and down under the driving of the hydraulic cylinder 17, further ensuring the stability of the drill bit 9, and avoiding the deviation and swing of the drill bit 9.

Further, as shown in fig. 1 and 2, the number of the guide rods 11 is two, and the two guide rods 11 are respectively disposed near two opposite side edges of the mounting plate 12.

Further, as shown in fig. 1 and 2, a limiting block 29 is fixedly disposed at the bottom end of the guide rod 11, and the limiting block 29 limits the downward movement distance of the mounting plate 12, so that the mounting plate 12 is prevented from being separated from the guide rod 11.

In an optional embodiment of the present invention, as shown in fig. 1, fig. 2, fig. 4, and fig. 5, the drilling device further includes a first motor 16, a screw 14, and a nut 15, and the first motor 16, the screw 14, and the nut 15 cooperate to drive the protection cover 5 to move up and down. The lead screw 14 is arranged along the vertical direction, the first motor 16 is arranged above the lead screw 14, an output shaft of the first motor 16 is connected with the top end of the lead screw 14, the upper portion and the lower portion of the support column 2 are respectively provided with two parallel fixing plates 13, the top of the lead screw 14 is rotatably connected with one fixing plate 13 positioned above, the bottom of the lead screw 14 is rotatably connected with the other fixing plate 13 positioned below, the lead screw 14 is sleeved with the nut 15, the nut 15 is in threaded connection with the lead screw 14, and the outer wall of the nut 15 is connected with the outer wall of the top of the protective cover 5. Play the effect of location through two fixed plates 13 to lead screw 14, the output shaft of first motor 16 drives lead screw 14 and rotates, because nut 15 is connected with protection casing 5, nut 15 does not rotate along with lead screw 14, screw 14 rotates in-process nut 15 and reciprocates on lead screw 14 according to the pivoted direction of lead screw 14, thereby the reciprocating of accessible first motor 16 control protection casing 5, make protection casing 5 can cover and locate the top of treating the drilling position, guarantee the effective interception to the rubble that splashes.

Further, as shown in fig. 1 and 2, a first mounting through hole is formed in the fixing plate 13, the lead screw 14 passes through the first mounting through hole, and a first bearing 26 is arranged between an inner wall of the first mounting through hole and an outer wall of the lead screw 14, so as to ensure that the lead screw 14 stably rotates.

Further, as shown in fig. 1 and 2, the two support columns 2 are provided with the fixing plates 13, the number of the first motors 16, the screw rods 14 and the screw caps 15 is two, the first motors, the screw rods 14 and the screw caps 15 are respectively arranged on the two support columns 2, the outer walls of the two screw caps 15 are respectively connected with the outer walls of the two opposite sides of the top of the protection cover 5, and the up-and-down movement stability of the protection cover 5 is improved.

In the utility model provides an in an optional embodiment, as shown in fig. 1 to 3, be provided with pivot 8 along vertical direction between the output shaft of drill bit 9 and hydraulic motor 10, the top of pivot 8 is connected with the bottom of the output shaft of hydraulic motor 10, the bottom of pivot 8 is connected with the top of drill bit 9, can reciprocate and can rotate in the pivot 8 and overlap and be equipped with sliding sleeve 7, second installation through-hole has been seted up at the top of protection casing 5, drill bit 9 and sliding sleeve 7 pass second installation through-hole, and be provided with second bearing 24 between the inner wall of second installation through-hole and sliding sleeve 7's the outer wall. The output shaft of the hydraulic motor 10 transmits power to the rotating shaft 8 and drives the drill bit 9 to rotate, and the sliding sleeve 7 cannot be influenced in the rotating process of the drill bit, so that the sliding sleeve 7 can move up and down along with the protective cover 5, but cannot rotate along with the drill bit 9.

Further, as shown in fig. 1 and fig. 2, a first limit ring 27 is fixedly sleeved at the top end of the rotating shaft 8, a second limit ring 28 is fixedly sleeved at the bottom end of the rotating shaft 8, and the first limit ring 27 and the second limit ring 28 are matched to limit the up-down moving range of the sliding sleeve 7, so as to ensure that the protective cover 5 moves up and down within a certain height range.

In an optional embodiment of the present invention, as shown in fig. 2, the drilling device further includes a casing 20, a screw 23 and a second motor 22, the casing 20 is used for collecting and cleaning the gravel in the protection cover 5, and the screw 23 and the second motor 22 are matched to lift the gravel in the protection cover 5 into the casing 20. The shell 20 is fixedly arranged above the supporting plate 1, an accommodating cavity 25 is formed in the shell 20, the upper part of the screw 23 is located in the accommodating cavity 25, the top end of the screw 23 is connected with the bottom end of the output shaft of the second motor 22, and the bottom end of the screw 23 sequentially penetrates through the inner wall of the bottom of the accommodating cavity 25, the supporting plate 1 and the outer wall of the top of the protective cover 5 and extends into the protective cover 5; the outer wall of the screw 23 is provided with a thread for bearing crushed stones, so that the screw 23 is driven to rotate by the second motor 22, and the crushed stones are lifted into the accommodating cavity 25 along with the thread. Transmit power to screw rod 23 through second motor 22, screw rod 23 carries upward movement at any time rotating the screw thread on the in-process screw rod 23, thereby promote the rubble that scatters in the protection casing 5 to in the holding chamber 25 of casing 20, and is simple in operation, convenient, clear up the rubble automatically, and can go on in drilling, guarantee the noncongestion of protection casing 5 and drilling position, improve the efficiency of clearance rubble greatly, shorten the time of clearance rubble, can not cause the influence to the drilling operation, reduce staff's intensity of labour, effectively improve work efficiency.

Further, as shown in fig. 2, the housing 20 is a cylindrical structure with an open top and a sealed bottom, the screw 23 is disposed along a vertical direction, the accommodating cavity 25 is provided with a bracket 21 for fixing the second motor 22, the second motor 22 is disposed at the top of the bracket 21, and an output shaft of the second motor 22 extends out of the lower portion of the bracket 21 and is connected to the top end of the screw 23.

Further, as shown in fig. 2, the drilling device further includes a first sleeve 18 and a second sleeve 19, both the first sleeve 18 and the second sleeve 19 are cylindrical structures with two ends opened along the vertical direction, the top outer wall of the second sleeve 19 is connected with the bottom of the housing 20, the inside of the second sleeve 19 is communicated with the containing cavity 25, the bottom of the second sleeve 19 is fixedly sleeved outside the top of the first sleeve 18, the first sleeve 18 passes through the support plate 1, the outer wall of the first sleeve 18 is connected with the support plate 1, the outer wall of the bottom of the first sleeve 18 is connected with the top of the protective cover 5, and the inside of the first sleeve 18 is communicated with the inside of the protective cover 5, the inside of the first sleeve 18 and the inside of the second sleeve 19 are matched to form a channel for the crushed stone to be lifted into the accommodating cavity 25, and the screw 23 sequentially penetrates through the inside of the second sleeve 19 and the inside of the first sleeve 18 and extends into the inside of the protective cover 5.

The utility model discloses a drilling equipment's use does: firstly, fixing a drilling device underground through a bottom plate 4, aligning a drill bit 9 at a position to be drilled, starting a hydraulic cylinder 17, driving a mounting plate 12 by a piston rod of the hydraulic cylinder 17, driving a hydraulic motor 10 to move up and down along the axial direction of a guide rod 11 by the mounting plate 12, further driving a rotating shaft 8 by the hydraulic motor 10 through an electric hydraulic motor 10 of the mounting plate 12, driving the drill bit 9 by the rotating shaft 8, adjusting the drilling depth of the drill bit 9, after adjusting the drilling depth of the drill bit 9, starting a first motor 16, driving a screw rod 14 to rotate by an output shaft of the first motor 16, driving a nut 15 to move up and down along the axial direction of the screw rod 14 by the screw rod 14, further driving a protective cover 5 by the nut 15, driving a sliding sleeve 7 to move up and down along the axial direction of the rotating shaft 8 by the protective cover 5, covering the protective cover 5 above, the splashed broken stones during drilling are intercepted by the protective cover 5, so that the broken stones are prevented from flying out to cause the damage to human bodies and machines, and the safety is improved; in addition, start second motor 22 when carrying out drilling operation, second motor 22 drives screw rod 23 and rotates, and the rubble in with protection casing 5 of screw thread on the screw rod 23 loops through first sleeve 18 and second sleeve 19 and promotes to the holding chamber 25 of casing 20 in, and the opening at staff accessible casing 20 top clears up the rubble in holding chamber 25, keeps the unobstructed of the inside of protection casing 5, and whole process need not shut down and clears up the rubble, and easy operation, cleaning efficiency is high.

The utility model discloses a drilling equipment's characteristics and advantage are:

the drilling device adjusts the drilling depth of the drill bit 9 through the extending length of the piston rod of the control hydraulic cylinder 17, and drives the drill bit 9 to rotate through the output shaft of the hydraulic motor 10, so that the drill bit 9 is guaranteed to stably drill holes on the positions to be drilled, the structure is simple, the size is small, the drilling device is suitable for acting in a well, and the drilling device has the advantages of being convenient to use and control.

Secondly, be provided with the protection casing 5 that can reciprocate on this drilling equipment, the bottom opening through protection casing 5 will treat that the drilling position cover is located in protection casing 5, and drill bit 9 is carrying out the drilling in-process, and protection casing 5 intercepts the rubble that splashes in protection casing 5, prevents effectively that the rubble from splashing and hurting people or damaging machine equipment, has improved the security and the work efficiency of drilling operation.

Thirdly, this drilling equipment is provided with the casing 20 that collects the clearance to the rubble in the protection casing 5, cooperate through second motor 22 and screw rod 23 and can promote the rubble of scattering in the protection casing 5 to the casing 20 in, and easy operation, it is convenient, clear up the rubble automatically, and can go on when drilling, guarantee the noncongestion of protection casing 5 and drilling position, improve the efficiency of clearance rubble greatly, shorten the time of clearance rubble, can not cause the influence to the drilling operation, reduce staff's intensity of labour, effectively improve work efficiency.

Fourthly, this drilling equipment is provided with blotter 6 in the bottom of protection casing 5, and blotter 6 plays the effect of buffering protection to the bottom of protection casing 5, avoids receiving the damage in the bottom of long-term use protection casing 5, prolongs the life of protection casing 5.

The above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. Any person skilled in the art should also realize that such equivalent changes and modifications can be made without departing from the spirit and principles of the present invention.

Claims (17)

1. The drilling device is characterized by comprising a drill bit (9) for drilling operation, a hydraulic cylinder (17) for controlling the drilling depth of the drill bit (9), a hydraulic motor (10) for driving the drill bit (9) to rotate, a mounting frame for fixing the drill bit (9) and a protective cover (5) for intercepting splashed broken stones, wherein:

the hydraulic cylinder (17) is arranged on the mounting frame, the hydraulic motor (10) is positioned below the hydraulic cylinder (17), the top of the hydraulic motor (10) is connected with a piston rod of the hydraulic cylinder (17), the drill bit (9) is arranged below the hydraulic motor (10) along the vertical direction, the top end of the drill bit (9) is connected with an output shaft of the hydraulic motor (10), and the mounting frame is arranged above a position to be drilled so that the bottom end of the drill bit (9) is aligned with the position to be drilled;

protection casing (5) seal, bottom open-ended tubular structure for the top, protection casing (5) can set up with reciprocating in on the mounting bracket, the top of protection casing (5) can reciprocate and can rotate the ground cover and locate on the output shaft of hydraulic motor (10), drill bit (9) stretch into extremely the inside of protection casing (5), the bottom opening of protection casing (5) will treat that the drilling position cover is located in protection casing (5).

2. Drilling device according to claim 1, wherein the mounting frame comprises a support plate (1) and two support columns (2), the two support columns (2) are respectively arranged at two opposite side edges of the support plate (1), the top end of each support column (2) is connected with the support plate (1), and the bottom end of each support column (2) is provided with a bottom plate (4).

3. Drilling device according to claim 2, characterised in that a number of reinforcement ribs (3) are arranged between the bottom plate (4) and the supporting pillar (2).

4. Drilling device according to claim 2, wherein the base plate (4) is provided with fastening screws (30) for fixing the base plate (4).

5. Drilling device according to claim 2, characterized in that the hydraulic cylinder (17) is fixedly arranged on top of the support plate (1), the piston rod of the hydraulic cylinder (17) passes through the support plate (1) in the vertical direction and extends below the support plate (1), and a mounting plate (12) is connected between the piston rod of the hydraulic cylinder (17) and the hydraulic motor (10).

6. The drilling device according to claim 5, wherein the mounting plate (12) is arranged below the support plate (1), a piston rod of the hydraulic cylinder (17) is connected with the top of the mounting plate (12), the hydraulic motor (10) is connected with the bottom of the mounting plate (12), at least one guide rod (11) is arranged below the support plate (1), the top end of the guide rod (11) is connected with the bottom of the support plate (1), a guide hole corresponding to the position of the guide rod (11) is formed in the mounting plate (12), and the guide rod (11) penetrates through the corresponding guide hole so that the mounting plate (12) can move up and down along the guide rod (11).

7. Drilling device according to claim 6, wherein the bottom end of the guide rod (11) is provided with a stop (29).

8. The drilling device according to claim 2, characterized in that the drilling device further comprises a first motor (16) driving the protective cover (5) to move up and down, a screw rod (14) and a nut (15), an output shaft of the first motor (16) is connected with the screw rod (14), two parallel fixing plates (13) are respectively arranged at the upper part and the lower part of the supporting column (2), the top of the screw rod (14) is rotatably connected with one fixing plate (13) positioned above, the bottom of the screw rod (14) is rotatably connected with the other fixing plate (13) positioned below, the nut (15) is sleeved on the screw rod (14), the nut (15) is in threaded connection with the screw rod (14), and the outer wall of the nut (15) is connected with the outer wall of the top of the protective cover (5).

9. The drilling device as claimed in claim 8, characterized in that the fixing plate (13) is provided with a first mounting through hole, the screw rod (14) passes through the first mounting through hole, and a first bearing (26) is arranged between the inner wall of the first mounting through hole and the outer wall of the screw rod (14).

10. The drilling device according to claim 8, characterized in that the fixing plate (13) is arranged on each of the two support columns (2), the first motor (16), the screw rod (14) and the screw cap (15) are respectively arranged on the two support columns (2), and the two screw caps (15) are respectively connected with the outer walls of the two opposite sides of the top of the protective cover (5).

11. The drilling device according to claim 1, characterized in that a rotating shaft (8) is arranged between the drill bit (9) and an output shaft of the hydraulic motor (10), the top end of the rotating shaft (8) is connected with the output shaft of the hydraulic motor (10), the bottom end of the rotating shaft (8) is connected with the top end of the drill bit (9), a sliding sleeve (7) is sleeved on the rotating shaft (8) in a manner of moving up and down and rotating, a second installation through hole is formed in the top of the protective cover (5), the drill bit (9) and the sliding sleeve (7) penetrate through the second installation through hole, and a second bearing (24) is arranged between the inner wall of the second installation through hole and the outer wall of the sliding sleeve (7).

12. Drilling device according to claim 11, wherein the top end of the shaft (8) is fixedly provided with a first stop collar (27) and the bottom end of the shaft (8) is fixedly provided with a second stop collar (28).

13. The drilling device according to claim 2, characterized in that the drilling device further comprises a housing (20) for collecting and cleaning the broken stone in the protective cover (5), a screw rod (23) for lifting the broken stone in the protective cover (5) into the housing (20) and a second motor (22), the housing (20) is arranged above the support plate (1), an accommodating cavity (25) is formed in the housing (20), the upper part of the screw rod (23) is located in the accommodating cavity (25), the top end of the screw rod (23) is connected with an output shaft of the second motor (22), and the bottom end of the screw rod (23) sequentially penetrates through the inner wall of the bottom of the accommodating cavity (25), the support plate (1) and the outer wall of the top of the protective cover (5) and extends into the interior of the protective cover (5);

the outer wall of the screw rod (23) is provided with threads for bearing the broken stone, the screw rod (23) is driven to rotate through the second motor (22), and the broken stone is lifted into the accommodating cavity (25) along with the threads.

14. The drilling device according to claim 13, wherein a bracket (21) for fixing the second motor (22) is arranged in the accommodating cavity (25), the second motor (22) is arranged at the top of the bracket (21), and an output shaft of the second motor (22) extends out of the lower part of the bracket (21) and is connected with the top end of the screw rod (23).

15. Drilling device according to claim 13, characterized in that it further comprises a first sleeve (18) and a second sleeve (19), the top of said second sleeve (19) being connected to the bottom of said housing (20) and the interior of said second sleeve (19) communicating with said housing chamber (25), the bottom of said second sleeve (19) being connected to the top of said first sleeve (18), said first sleeve (18) passing through said support plate (1), the outer wall of said first sleeve (18) being connected to said support plate (1), the bottom of said first sleeve (18) being connected to the top of said shield (5) and the interior of said first sleeve (18) communicating with the interior of said shield (5), the interior of said first sleeve (18) and the interior of said second sleeve (19) cooperating to form a passage for the lifting of the crushed stone into said housing chamber (25), the screw rod (23) sequentially penetrates through the interior of the second sleeve (19) and the interior of the first sleeve (18) and extends into the interior of the protective cover (5).

16. Drilling device according to claim 1, wherein the edge at the bottom opening of the protective cover (5) is provided with a cushion (6).

17. Drilling device according to claim 1, wherein the mounting frame and the protective cover (5) are made of steel material.

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