CN113389497A

CN113389497A - Reverse circulation drilling machine stable in operation

Info

Publication number: CN113389497A
Application number: CN202110814066.4A
Authority: CN
Inventors: 张新娜
Original assignee: Hebei Xinqingyuan Industrial Co ltd
Current assignee: Hebei Xinqingyuan Industrial Co ltd
Priority date: 2021-07-19
Filing date: 2021-07-19
Publication date: 2021-09-14

Abstract

The invention relates to the technical field of drilling machines, and provides a stably-operated reverse circulation drilling machine, which is stable in operation, convenient for quickly replacing a drill bit and convenient for treating pumped slurry, and comprises a chassis, a hoisting mechanism and a slewing mechanism, wherein a crawler traveling mechanism, a fixing frame, a recovery box and an auxiliary water pump are connected on the chassis, the chassis is connected with a pressure bearing plate through a ground-grabbing hydraulic cylinder, the chassis is rotatably connected with a supporting frame through a swivel seat, a plurality of rotating hydraulic cylinders are rotatably arranged on the chassis, the slewing mechanism is rotatably connected with a drill rod, a working groove and a plurality of clamping grooves are formed in the fixing frame, the working groove is connected with a clamping ring through a plurality of stabilizing bars, a damping assembly and a buffer cushion are connected in the clamping groove, a crushing cavity and the drill bit are arranged on the drill rod through a replacing assembly, a crushing assembly is connected in the crushing cavity, a main water pump is arranged on a sliding plate, the main water pump is communicated with the drill rod and the recovery box, the collection box in-connection has filtering component, supplementary water pump and collection box intercommunication.

Description

Reverse circulation drilling machine stable in operation

Technical Field

The invention relates to the technical field of drilling machines, in particular to a reverse circulation drilling machine which runs stably.

Background

As is well known, a drilling machine is a mechanical device, also called a drilling machine, for driving a drilling tool to drill underground to obtain physical geological data in exploration or development of mineral resources (including solid ores, liquid ores, gas ores, and the like), the main function of the device is to drive the drilling tool to break the rock at the bottom of the hole, and the drilling tool put into or taken out of the hole can be used for drilling rock cores, ore cores, rock debris, gas samples, liquid samples and the like, the drilling machine comprises a forward circulation drilling machine and a reverse circulation drilling machine, wherein the forward circulation drilling machine and the reverse circulation drilling machine protect the well wall of a drilling well and remove slag through the circulation of drilling fluid (slurry), the drilling process is the same, the applicable strata are basically the same, the difference is the circulation direction of the drilling fluid (slurry), the reverse circulation is realized by entering from an orifice, the slurry is pumped by means of pumping, gas lifting and other measures, and the slurry with drilling slag rises from a drilling rod to enter a slurry tank.

The existing reverse circulation drilling machine comprises a top pulley block, a stand column, an inclined strut, a chassis, a walking mechanism, a slewing mechanism, a hoisting mechanism, an operation cabin, a hydraulic system, an electrical system and a dragging machine, wherein circular slideways are matched on two sides of the stand column to serve as a power head and guide and resist the up-and-down movement of a drill rod, when the reverse circulation drilling machine is used, the circular slideways are transported by the dragging machine, the walking mechanism is in a hydraulic walking type, four supporting leg hydraulic cylinders support the ground when the reverse circulation drilling machine moves forwards, a lower disc is off, the walking hydraulic cylinder drives a walking oil cylinder to realize the forward movement of a drill boot through the hydraulic system, then the supporting legs are folded, the chassis is pulled to move forwards through the contraction of the hydraulic cylinder, the drilling machine moves forwards through repeated operation, the inclined strut can support and rotate the stand column, the power head, the drill rod and the like are installed, and the hoisting mechanism and the pulley block can be matched with the power head, a reinforcement cage, a grouting guide pipe and the like.

Although the prior art proposal has severe vibration in the operation process, the equipment has unstable operation, meanwhile, the noise is generated, the working environment of operators is poor, the lives of surrounding residents are possibly influenced, in addition, the drill bit rotates at high speed for a long time to generate heat in the drilling process, the hard stone blocks and the like are crushed and easily abraded, drilling is required to be suspended to repair the drill bit when the drill bit is abraded, or the drill bit is replaced, and the drill bit is required to be replaced when drilling holes with different diameters, the replacement of the drill bit in the prior art is more complicated and wastes time, and the reverse circulation drilling machine continuously extracts and sprays the slurry in the drill hole in the drilling process, the slurry contains larger stones and other objects, the spraying speed is higher, and the slurry possibly splashes to an operator to cause danger.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the reverse circulation drilling machine which runs stably, is convenient to slow vibration, can quickly replace a drill bit, can treat pumped slurry and can protect operators.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a reverse circulation drilling machine which runs stably comprises a reverse circulation drilling machine body, wherein the reverse circulation drilling machine body comprises a chassis, a hoisting mechanism and a swing mechanism, a crawler advancing mechanism is connected onto the chassis, a plurality of ground grabbing hydraulic cylinders are mounted on the chassis, the output ends of the ground grabbing hydraulic cylinders are connected with a bearing plate, a support frame is connected onto the chassis in a rotating mode through a rotating seat, the swing mechanism is mounted on the support frame in a sliding mode through a sliding plate, a plurality of rotating hydraulic cylinders are mounted on the chassis in a rotating mode, the output ends of the rotating hydraulic cylinders are connected with the support frame in a rotating mode through rotating frames, a drilling rod is connected with the swing mechanism in a rotating mode, a fixing frame is connected onto the chassis, a working groove and a plurality of clamping grooves matched with the support frame are formed in the fixing frame, clamping rings are connected onto the working groove through a plurality of stabilizing rods, and the drilling rod is located inside the clamping rings, the utility model discloses a drilling machine, including draw-in groove, support frame and buffering pad, the drilling rod is connected with the return tank, the internal connection of draw-in groove has shock-absorbing component and buffering pad, support frame and buffering pad contact, through changing subassembly demountable installation on the drilling rod smash chamber and drill bit, the internal connection in crushing chamber has crushing subassembly, drill bit and drilling rod are hollow structure to the drilling rod is through smashing chamber and drill bit intercommunication, there is the collection box through a plurality of leg joint on the chassis, install main water pump on the slide, main water pump's the end and the drilling rod intercommunication of drawing water to main water pump's play water end passes through outlet pipe and collection box intercommunication, the internal connection of collection box has filtering component, install auxiliary water pump on the chassis, auxiliary water pump passes through inlet tube and collection box intercommunication to auxiliary water pump intercommunication has the filler pipe.

Preferably, damper assembly includes a plurality of shock attenuation boards, the shock attenuation board passes through damping spring and connects in the inside of draw-in groove to shock attenuation board and support frame contact, be connected with the gag lever post on the shock attenuation board to a plurality of spacing holes have been seted up on the mount, gag lever post and spacing hole are sliding fit, it is connected with a plurality of fixture blocks to rotate on the shock attenuation board to set up a plurality of draw-in grooves that match with the fixture block on the support frame.

Further, it includes the change pipe to change the subassembly, it is sealed sliding fit to change union coupling on the top of smashing the chamber and with the drilling rod, the bottom of drilling rod is connected with the multiunit spacer pin, the pinhole of having seted up multiunit and spacer pin matching on the change pipe, it is every right to be connected with many pairs of slide bars on the change pipe equal sliding connection has the collar on the slide bar, be connected with a pair of connecting plate on the drilling rod, two collar and two connecting plates pass through a plurality of construction bolt and connect, be connected with a plurality of stoppers that correspond with the spacer pin on the collar to set up the spacing groove that matches with the stopper on the drilling rod, the spacing groove is located between a set of spacer pin that corresponds.

Still further, crushing unit includes a pair of crushing board, crushing board slidable mounting is in crushing intracavity's inside, the diameter of the cavity of seting up on the drilling rod is less than the diameter of the cavity of seting up on the drill bit, set up the recess on the crushing board, the bottom cross-section of recess is greater than the top cross-section, a plurality of mounting grooves have been seted up to crushing intracavity's inside, the internally mounted of mounting groove has crushing hydraulic cylinder to crushing hydraulic cylinder's output and the crushing board that corresponds are connected.

As a further scheme of this scheme, filtering component includes the filter, the inside at the collection box is installed to the filter, the filter is sunken formula structure to the filter slope is installed in the inside of collection box, a plurality of filtration pores of crossing have been seted up on the filter, it rolls the mouth to have seted up on the collection box to roll the position and the filter of mouthful and correspond, the collection box is rotated in the position of rolling the mouth and is connected with the transport plate, install on the chassis and adjust the pneumatic cylinder, adjust the output of pneumatic cylinder and the bottom of transport plate and rotate the connection, be connected with a plurality of boards of preventing falling on the transport plate to the internally connected with buffering subassembly of collection box.

As a further scheme of this scheme, the buffering subassembly includes the buffer board, the buffer board is connected in the inside of collection box and corresponding with the position that the outlet pipe goes out water, the buffer board be located the filter the top and with the collection box between form certain inclination to the inclination of buffer board is opposite with the filter, the bottom of buffer board is connected with the collection box through a plurality of buffering reeds.

On the basis of the scheme, the crushing plates are connected with a plurality of saw-toothed crushing strips, and the corresponding plurality of crushing strips on the two crushing plates are arranged in a staggered mode.

Preferably, on the basis of the above scheme, a supporting spring is connected between the recovery box and the chassis, and a plurality of buffer springs are connected between the filter plate and the recovery box.

On the basis of the scheme, the bottom end of the pressure bearing plate is connected with a plurality of ground grabbing rods, and the bottom ends of the ground grabbing rods are in a pointed shape.

On the basis of the above scheme, further, a stabilizing spring is sleeved on the stabilizing rod.

(III) advantageous effects

Compared with the prior art, the invention provides a reverse circulation drilling machine which runs stably, and has the following beneficial effects:

1. according to the anti-circulation drilling machine, the ground grabbing hydraulic cylinder drives the ground grabbing plate to descend to be in contact with the ground, the anti-circulation drilling machine which operates stably can be supported, the support frame, the drill rod and the like can be driven to rotate through the rotating hydraulic cylinder, the support frame and the fixing frame are protected through the buffer cushion to reduce collision between the support frame and the fixing frame, meanwhile, the support frame is subjected to shock absorption protection, the support frame can be fixed and subjected to shock absorption through the shock absorption assembly, the stability of the support frame is improved, the drill rod can be limited through the clamp ring, and therefore the stability of the rotation mechanism when the rotation mechanism drives the drill rod to rotate is guaranteed.

2. According to the invention, when the drill bit is damaged, the drill bit can be driven to be drawn out of the drill hole through the hoisting mechanism, the crushing cavity and the drill bit can be quickly replaced through the replacing assembly, the replacing assembly is quickly and conveniently disassembled, the crushing cavity is matched with the drill bit in type, and the problem that the drill bit is inconvenient to replace in the prior art is solved to a certain extent.

3. According to the invention, stones in the stratum can be crushed through the drill bit, drilling fluid, gravel and the like in the drill hole can be pumped out through the main water pump, the gravel and the like can be crushed into smaller gravel by the crushing assembly when passing through the crushing cavity, the drilling fluid and the like are conveyed into the recovery box through the main water pump, the drilling fluid and the gravel are buffered and filtered through the filtering assembly, the drilling fluid falls into the bottom of the recovery box and is recovered through the auxiliary water pump, the drilling fluid is conveyed into the drill hole through the water feeding pipe for recycling, the gravel is screened out by the filtering assembly, and the filtering assembly can control the falling of the gravel.

Drawings

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

FIG. 2 is an enlarged view of a portion of FIG. 1A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B according to the present invention;

FIG. 4 is an enlarged partial view of FIG. 1 at C;

FIG. 5 is a schematic plan view of the filter plate, the transport plate, the adjusting hydraulic cylinder, and the buffering spring according to the present invention;

FIG. 6 is a schematic perspective view of the replacement tube, the spacer pin, the mounting ring, and the connecting plate of the present invention;

FIG. 7 is a schematic view of the three-dimensional structure of the crushing chamber, the drill, the crushing plate, the crushing cylinder and the like in combination according to the present invention;

FIG. 8 is a schematic perspective view of the combination of the fixing frame, the snap ring, the cushion pad and the damping plate according to the present invention;

FIG. 9 is an enlarged partial schematic view of FIG. 8 at D in accordance with the present invention;

FIG. 10 is a schematic perspective view of the recycling bin, the auxiliary water pump, the water feeding pipe and the filter plate according to the present invention.

In the figure: 1. a chassis; 2. a hoisting mechanism; 3. a swing mechanism; 4. a crawler travel mechanism; 5. a ground grabbing hydraulic cylinder; 6. a pressure bearing plate; 7. a slide plate; 8. a support frame; 9. rotating the hydraulic cylinder; 10. a drill stem; 11. a fixed mount; 12. a snap ring; 13. a cushion pad; 14. a grinding chamber; 15. a drill bit; 16. a recycling bin; 17. a main water pump; 18. an auxiliary water pump; 19. a water feeding pipe; 20. a damper plate; 21. a limiting rod; 22. a clamping block; 23. replacing the tube; 24. a spacing pin; 25. a mounting ring; 26. a connecting plate; 27. a limiting block; 28. a crushing plate; 29. a crushing hydraulic cylinder; 30. a filter plate; 31. a transport plate; 32. adjusting a hydraulic cylinder; 33. a buffer plate; 34. a buffer reed; 35. grinding the strips; 36. a support spring; 37. a buffer spring; 38. a ground grabbing rod; 39. the spring is stabilized.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-10, a stable operation reverse circulation drilling machine comprises a reverse circulation drilling machine body, the reverse circulation drilling machine body comprises a chassis 1, a hoisting mechanism 2 and a swing mechanism 3, a crawler traveling mechanism 4 is connected to the chassis 1, a plurality of ground grabbing hydraulic cylinders 5 are installed on the chassis 1, an output end of each ground grabbing hydraulic cylinder 5 is connected with a pressure bearing plate 6, a plurality of ground grabbing rods 38 are connected to a bottom end of each pressure bearing plate 6, a bottom end of each ground grabbing rod 38 is pointed, the ground grabbing hydraulic cylinders 5 drive the pressure bearing plates 6 to descend to drive the ground grabbing rods 38 to be inserted into the ground, the stable operation reverse circulation drilling machine is fixed, the stable operation reverse circulation drilling machine is supported by the pressure bearing plates 6, a support frame 8 is rotatably connected to the chassis 1 through a swivel base, the swing mechanism 3 is slidably installed on the support frame 8 through a slide plate 7, a plurality of rotary hydraulic cylinders 9 are rotatably installed on the chassis 1, the output end of a rotating hydraulic cylinder 9 is rotatably connected with a support frame 8 through a rotating frame, a rotating mechanism 3 is rotatably connected with a drill rod 10, the rotating mechanism 3 can drive the drill rod 10 to rotate, a fixing frame 11 is connected on a chassis 1, a working groove and a plurality of clamping grooves matched with the support frame 8 are formed in the fixing frame 11, the working groove is connected with a clamping ring 12 through a plurality of stabilizing rods, the drill rod 10 is positioned in the clamping ring 12, the clamping ring 12 can limit the drill rod 10 so as to ensure the smoothness of the drill rod 10 when the rotating mechanism 3 drives the drill rod 10 to rotate, a stabilizing spring 39 is sleeved on each stabilizing rod so as to facilitate the shock absorption protection of the clamping ring 12 and absorb the shock of the drill rod 10 so as to ensure the stability of the drill rod 10 when rotating, a damping component and a buffer cushion 13 are connected inside the clamping grooves, the support frame 8 is in contact with the buffer cushion 13, and the support frame 8 and the fixing frame 11 are protected through the cushion 13, the collision between the shock absorption plate and the support frame is reduced, the support frame 8 is subjected to shock absorption protection at the same time, the shock absorption assembly comprises a plurality of shock absorption plates 20, the shock absorption plates 20 are connected inside the clamping grooves through shock absorption springs, the shock absorption plates 20 are in contact with the support frame 8, the shock absorption plates 20 are connected with limiting rods 21, a plurality of limiting holes are formed in the fixing frame 11, the limiting rods 21 are in sliding fit with the limiting holes, a plurality of clamping blocks 22 are rotatably connected on the shock absorption plates 20, a plurality of clamping grooves matched with the clamping blocks 22 are formed in the support frame 8, the shock absorption plates 20 can be abutted against the support frame 8 through the shock absorption springs, the clamping blocks 22 are clamped into the clamping grooves to limit the support frame 8 at the moment, the shock of the support frame 8 can be absorbed through the shock absorption springs, the stability of the shock absorption plates 20 can be improved through the matching of the limiting rods 21 and the limiting holes, the support frame 8 is better supported and fixed, the crushing cavity 14 and the drill bit 15 are detachably installed on the drill rod 10 through the replacement assembly, the replacing component comprises a replacing pipe 23, the replacing pipe 23 is connected to the top end of the crushing cavity 14 and is in sealing sliding fit with the drill rod 10, the bottom end of the drill rod 10 is connected with a plurality of groups of limiting pins 24, the replacing pipe 23 is provided with a plurality of groups of pin holes matched with the limiting pins 24, the replacing pipe 23 is connected with a plurality of pairs of slide rods, each pair of slide rods is connected with a mounting ring 25 in a sliding way, the drill rod 10 is connected with a pair of connecting plates 26, the two mounting rings 25 and the two connecting plates 26 are connected through a plurality of mounting bolts, the mounting ring 25 is connected with a plurality of limiting blocks 27 corresponding to the limiting pins 24, the drill rod 10 is provided with limiting grooves matched with the limiting blocks 27, the limiting grooves are positioned between a corresponding group of limiting pins 24, the replacing pipe 23 is sleeved on the drill rod 10, the mounting rings 25 can be fixed on the connecting plates 26 through the mounting bolts, so as to fix the replacing pipe 23, the limiting blocks 27 are driven to be clamped into the limiting grooves, carry on spacingly to collar 25 and drill bit 15 etc. can support and spacing stopper 27 through spacer pin 24, can realize the synchronous rotation of drill bit 15 and drilling rod 10 through the cooperation of spacer pin 24 and pinhole and the cooperation of stopper 27 and spacing groove, unscrew construction bolt can dismantle drill bit 15 etc. through more tube 23.

It should be further explained that the interior of the crushing chamber 14 is connected with a crushing assembly, the crushing assembly comprises a pair of crushing plates 28, the crushing plates 28 are slidably mounted inside the crushing chamber 14, the diameter of the cavity formed on the drill stem 10 is smaller than that of the cavity formed on the drill bit 15, the crushing plates 28 are provided with grooves, the bottom cross section of each groove is larger than that of the top, the interior of the crushing chamber 14 is provided with a plurality of mounting grooves, crushing hydraulic cylinders 29 are mounted inside the mounting grooves, the output ends of the crushing hydraulic cylinders 29 are connected with the corresponding crushing plates 28, the crushing hydraulic cylinders 29 can drive the crushing plates 28 to approach each other, sand and stones can be crushed by the crushing plates 28, so that the sand and stones can be crushed into sizes capable of passing through the tops of the grooves, the drill stem 10, the main water pump 17 and the like can be prevented from being blocked, meanwhile, the kinetic energy of the sand and stones with smaller diameters can be reduced, and the operator can be protected conveniently, the crushing plate 28 is connected with a plurality of sawtooth-shaped crushing strips 35, the corresponding crushing strips 35 on the two crushing plates 28 are arranged in a staggered mode, the occlusion between the two crushing plates 28 is enhanced, sand and stone and the like are conveniently crushed, the drill bit 15 and the drill rod 10 are both of a hollow structure, the drill rod 10 is communicated with the drill bit 15 through the crushing cavity 14, the chassis 1 is connected with the recovery box 16 through a plurality of supports, the sliding plate 7 is provided with the main water pump 17, the water pumping end of the main water pump 17 is communicated with the drill rod 10, the water outlet end of the main water pump 17 is communicated with the recovery box 16 through a water outlet pipe, the recovery box 16 is internally connected with a filter assembly, the filter assembly comprises a filter plate 30, the filter plate 30 is arranged inside the recovery box 16, the filter plate 30 is of a concave structure, the filter plate 30 is obliquely arranged inside the recovery box 16, a plurality of filter holes are formed in the filter plate 30, the recovery box 16 is provided with a rolling opening, the position of the roll-off port corresponds to the filter plate 30, the recovery box 16 is rotatably connected with the transport plate 31 at the position of the roll-off port, the chassis 1 is provided with an adjusting hydraulic cylinder 32, the output end of the adjusting hydraulic cylinder 32 is rotatably connected with the bottom end of the transport plate 31, the transport plate 31 is connected with a plurality of anti-drop plates, the recovery box 16 is internally connected with a buffer assembly, drilling fluid, gravel and the like can be screened through the filter plate 30, the drilling fluid falls through the filter plate 30 and can be recycled through the auxiliary water pump 18, the gravel is kept on the filter plate 30, the filter plate 30 is of a concave structure, the splashing of the drilling fluid can be reduced, the transport plate 31 can be driven to rotate through the adjusting hydraulic cylinder 32, when the transport plate 31 is at a horizontal or upward angle, the gravel is collected on the filter plate 30, when the transport plate 31 is at a downward angle, the gravel can slide to the ground along with the transport plate 31, and the angle of the transportation plate 31 can be adjusted by adjusting the hydraulic cylinder 32 to adjust the position of the gravel falling, the buffer component comprises a buffer plate 33, the buffer plate 33 is connected in the recovery box 16 and corresponds to the position of the water outlet pipe, the buffer plate 33 is positioned above the filter plate 30 and forms a certain inclination angle with the recovery box 16, the inclination angle of the buffer plate 33 is opposite to that of the filter plate 30, the bottom end of the buffer plate 33 is connected with the recovery box 16 through a plurality of buffer reeds 34, the drilling fluid and the like are discharged into the recovery box 16 through the water outlet pipe, the impact of the drilling fluid and the like can be absorbed through the buffer plate 33, the flow rate of the drilling fluid and the like is blocked and buffered to a certain degree, the impact force of the liquid is reduced, the splashing of the gravel and the like is reduced, the operators and the filter plate 30 and the like are conveniently protected, the buffer plate 33 can be supported through the buffer reeds 34, and part of the vibration of the buffer plate 33 is absorbed at the same time, protect buffer board 33, be connected with supporting spring 36 between collection box 16 and the chassis 1, and be connected with a plurality of buffer spring 37 between filter 30 and the collection box 16, be convenient for carry out the bradyseism protection to collection box 16 and filter 30, the production of noise abatement, improve its stability simultaneously, install auxiliary water pump 18 on the chassis 1, auxiliary water pump 18 passes through inlet tube and collection box 16 intercommunication, and auxiliary water pump 18 intercommunication has filler pipe 19, the drilling fluid falls into collection box 16 bottom and retrieves through auxiliary water pump 18, carry out reuse with its inside of delivering to drilling through filler pipe 19.

The ground grabbing hydraulic cylinder 5, the rotating hydraulic cylinder 9, the main water pump 17, the auxiliary water pump 18, the crushing hydraulic cylinder 29 and the adjusting hydraulic cylinder 32 in the embodiment are conventional devices which are purchased from the market and are well known to those skilled in the art, the model of the ground grabbing hydraulic cylinder 5 is ROB, the model of the rotating hydraulic cylinder 9 is GH-007, the model of the main water pump 17 is CDLF8-40, the model of the auxiliary water pump 18 is P607424D00, the model of the crushing hydraulic cylinder 29 is CX-SD/LA, and the model of the adjusting hydraulic cylinder 32 is HOB40X100ST, and the models can be selected or customized according to actual needs, in the patent, we only use the devices, do not improve the structure and function, the setting mode, the installation mode and the electrical connection mode are not repeated, and the ground grabbing hydraulic cylinder 5, the rotating hydraulic cylinder 9, the main water pump 17, the auxiliary water pump 18, the crushing hydraulic cylinder 29 and the adjusting hydraulic cylinder 32 are all provided with control switches matched with the ground grabbing hydraulic cylinder, and the installation positions of the control switches are selected according to actual use requirements, so that an operator can conveniently carry out operation control.

In summary, the operating principle and the operating process of the reverse circulation drilling machine with stable operation are that, when in use, the reverse circulation drilling machine with stable operation is firstly moved to a place needing to be used by the crawler travel mechanism 4, then the support frame 8 and the drill rod 10 are driven to rotate to vertical positions by the rotating hydraulic cylinder 9, the damping plate 20 is driven to abut against the support frame 8 by the damping spring, the support rod is limited by the clamping block 22, the drill rod 10 and the drill bit 15 are driven to rotate to punch holes by the swing mechanism 3, the sliding plate 7 is driven to descend along the sliding rail by the hoisting mechanism 2, so as to drive the drill bit 15 and the drill rod 10 to descend, the drilling fluid is added into the drilled hole by the auxiliary water pump 18 and the water adding pipe 19, the sand and the stones and the like are destroyed by the drill bit 15 in the drilling process, the drilling fluid and the sand and the stones and the like in the drilled hole are extracted by the main water pump 17, the sand and the stones enter the crushing cavity 14 through the drill bit 15, the crushing plate 28 can be driven by the crushing hydraulic cylinder 29 to crush the sand and the like, so that the sand and the like are crushed into smaller particles, then enters the interior of the recovery tank 16 through the drill rod 10 and the water outlet pipe, absorbs the impact force of the mixed liquid through the buffer plate 33 and the buffer reed 34, the mixed liquor then falls inside the filter plate 30, the drilling fluid falls to the bottom of the recovery tank 16, is recovered by the auxiliary pump 18, it is sent to the inside of the drill hole through the water feeding pipe 19 for recycling, the gravel is left on the filter plate 30, when the gravel is not needed to be discharged, the conveying plate 31 is driven to rotate to a horizontal or upward angle by adjusting the hydraulic cylinder 32, the gravel is blocked, when the gravel needs to be discharged, the conveying plate 31 is driven to rotate to a downward angle by adjusting the hydraulic cylinder 32, the gravel can slide on the ground along with the conveying plate 31, and the adjusting hydraulic cylinder 32 adjusts the angle of the transport plate 31 to adjust the position where the gravel rolls off.

Further, when the drill bit 15 needs to be replaced, the sliding plate 7 is driven to ascend through the hoisting mechanism 2, the drill bit 15 and the drill rod 10 are driven to be pulled out from the inside of the drilled hole, the mounting bolt is unscrewed, the mounting ring 25 can slide along the sliding rod, the limiting block 27 is driven to be pulled out from the inside of the limiting groove, the mounting ring 25 can be detached, the replacement pipe 23 slides down from the drill rod 10, the crushing cavity 14 and the drill bit 15 can be detached, then the replaced drill bit 15 is mounted on the drill rod 10 through the replacement pipe 23 through the matching of the limiting pin 24 and the pin hole, the mounting ring 25 is pressed to enable the limiting block 27 to be clamped into the inside of the limiting groove, and then the mounting bolt is screwed to fix the mounting ring 25 on the connecting plate 26 to fix the drill bit 15 and the like.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a operate steady reverse circulation rig, includes the reverse circulation rig body, the reverse circulation rig body includes chassis (1), hoist mechanism (2) and rotation mechanism (3), its characterized in that, be connected with track advancing mechanism (4) on chassis (1) to install a plurality of ground hydraulic cylinder (5) of grabbing on chassis (1), the output of the hydraulic cylinder (5) of grabbing is connected with bearing plate (6), be connected with support frame (8) through swivel mount rotation on chassis (1), rotation mechanism (3) through slide (7) slidable mounting on support frame (8), a plurality of rotary hydraulic cylinder (9) are installed in the rotation on chassis (1), the output of rotary hydraulic cylinder (9) is connected through revolving rack and support frame (8) rotation, rotation mechanism (3) rotate and are connected with drilling rod (10), the improved drill pipe grinding machine is characterized in that a fixing frame (11) is connected onto the chassis (1), a working groove and a plurality of clamping grooves matched with the supporting frame (8) are formed in the fixing frame (11), the working groove is connected with a clamping ring (12) through a plurality of stabilizing bars, the drill pipe (10) is located inside the clamping ring (12), a damping component and a buffer cushion (13) are connected inside the clamping grooves, the supporting frame (8) is in contact with the buffer cushion (13), a grinding cavity (14) and a drill bit (15) are detachably mounted on the drill pipe (10) through a replacing component, the grinding cavity (14) is connected inside the grinding cavity (14), the drill bit (15) and the drill pipe (10) are both of a hollow structure, the drill pipe (10) is communicated with the drill bit (15) through the grinding cavity (14), a recycling box (16) is connected onto the chassis (1) through a plurality of supports, and a main water pump (17) is mounted on the sliding plate (7), the water pumping end of the main water pump (17) is communicated with the drill rod (10), the water outlet end of the main water pump (17) is communicated with the recovery tank (16) through the water outlet pipe, the interior of the recovery tank (16) is connected with a filtering component, the chassis (1) is provided with the auxiliary water pump (18), the auxiliary water pump (18) is communicated with the recovery tank (16) through the water inlet pipe, and the auxiliary water pump (18) is communicated with the water adding pipe (19).

2. The reverse circulation drilling machine capable of running stably according to claim 1, wherein the damping assembly comprises a plurality of damping plates (20), the damping plates (20) are connected inside the clamping grooves through damping springs, the damping plates (20) are in contact with the support frame (8), limiting rods (21) are connected to the damping plates (20), a plurality of limiting holes are formed in the fixing frame (11), the limiting rods (21) are in sliding fit with the limiting holes, a plurality of clamping blocks (22) are rotatably connected to the damping plates (20), and a plurality of clamping grooves matched with the clamping blocks (22) are formed in the support frame (8).

3. The reverse circulation drilling machine with the stable operation function according to claim 2, wherein the replacing assembly comprises a replacing pipe (23), the replacing pipe (23) is connected to the top end of the crushing cavity (14) and is in sealing sliding fit with the drill rod (10), the bottom end of the drill rod (10) is connected with a plurality of groups of limiting pins (24), the replacing pipe (23) is provided with a plurality of groups of pin holes matched with the limiting pins (24), the replacing pipe (23) is connected with a plurality of pairs of sliding rods, each pair of sliding rods is slidably connected with a mounting ring (25), the drill rod (10) is connected with a pair of connecting plates (26), the two mounting rings (25) and the two connecting plates (26) are connected through a plurality of mounting bolts, the mounting ring (25) is connected with a plurality of limiting blocks (27) corresponding to the limiting pins (24), and the drill rod (10) is provided with limiting grooves matched with the limiting blocks (27), the limiting grooves are positioned between the corresponding limiting pins (24).

4. A smoothly running reverse circulation drilling machine according to claim 3, characterized in that the crushing assembly comprises a pair of crushing plates (28), the crushing plates (28) are slidably mounted inside the crushing chamber (14), the diameter of the cavity formed in the drill rod (10) is smaller than that of the cavity formed in the drill bit (15), the crushing plates (28) are provided with grooves, the bottom section of the grooves is larger than the top section, the inside of the crushing chamber (14) is provided with a plurality of mounting grooves, crushing hydraulic cylinders (29) are mounted inside the mounting grooves, and the output ends of the crushing hydraulic cylinders (29) are connected with the corresponding crushing plates (28).

5. A smooth-running reverse circulation drilling machine according to claim 4, the filter assembly comprises a filter plate (30), the filter plate (30) is arranged inside the recovery box (16), the filter plate (30) is of a concave structure, the filter plate (30) is obliquely arranged inside the recovery box (16), a plurality of filter holes are arranged on the filter plate (30), a rolling-off opening is arranged on the recovery box (16), the position of the roll-off port corresponds to the position of the filter plate (30), the recycling box (16) is rotatably connected with a conveying plate (31) at the position of the roll-off port, an adjusting hydraulic cylinder (32) is arranged on the chassis (1), the output end of the adjusting hydraulic cylinder (32) is rotatably connected with the bottom end of the conveying plate (31), the conveying plate (31) is connected with a plurality of anti-falling plates, and the interior of the recovery box (16) is connected with a buffer assembly.

6. A runnable reverse circulation drill according to claim 5, characterized in that the damping arrangement comprises a damping plate (33), which damping plate (33) is attached to the inside of the recovery tank (16) and corresponds to the position of the outlet pipe for the water, which damping plate (33) is located above the filter plate (30) and forms an angle of inclination with the recovery tank (16), and in that the damping plate (33) is inclined at an angle opposite to the filter plate (30), and in that the damping plate (33) is attached at its lower end to the recovery tank (16) by means of a number of damping springs (34).

7. A well-functioning reverse circulation drill according to claim 6, characterized in that a plurality of saw-toothed milling bars (35) are connected to the crushing plates (28) and that the corresponding milling bars (35) of two crushing plates (28) are staggered.

8. A well-behaved reverse circulation drill according to claim 7, characterized in that support springs (36) are connected between the recovery tank (16) and the chassis (1), and that buffer springs (37) are connected between the filter plate (30) and the recovery tank (16).

9. A well-functioning reverse circulation drill according to claim 8, characterized in that a plurality of ground grabbing bars (38) are connected to the bottom end of the pressure bearing plate (6), and the bottom ends of the ground grabbing bars (38) are pointed.

10. A re-circulation drill rig as claimed in claim 9 characterised in that the stabiliser bar is fitted with a stabilising spring (39).