CN108979593B

CN108979593B - Hidden type cleaning mechanism of natural gas mining digging device

Info

Publication number: CN108979593B
Application number: CN201810674453.0A
Authority: CN
Inventors: 王炯锋
Original assignee: Taizhou Luqiao Youshun Paper Plastic Packaging Material Factory
Current assignee: Taizhou Luqiao Youshun paper plastic packaging material factory
Priority date: 2018-06-26
Filing date: 2018-06-26
Publication date: 2021-12-03
Anticipated expiration: 2038-06-26
Also published as: CN108979593A

Abstract

The invention discloses a hidden cleaning mechanism of a natural gas mining digging device, which comprises a drill bit, a spiral blade, a cleaning structure, a support, a drill bit assembly, a joint, a transmission shaft and a small arm, wherein the drill bit assembly is arranged on the support, the cleaning structure is arranged beside the drill bit assembly, the drill bit assembly is also mechanically connected with the transmission shaft through the joint, the small arm is fixed at the tail end of the support, the drill bit is vertically arranged right below the drill bit assembly, the spiral blade is arranged on the drill bit assembly and is matched with the cleaning structure, the cleaning structure is provided with a device shell, a rope winding structure, a rope limiting structure, a telescopic structure, a clamping structure, a balance structure, a staggered structure and a synchronous reverse structure, the telescopic structure, the staggered structure and the like are adopted, so that the cleaning structure 3 extends out of the cleaning spiral blade, and the device is hidden in the shell of the device to avoid the interference of the device with the work of the drill bit assembly, thereby improving the excavating effect.

Description

Hidden type cleaning mechanism of natural gas mining digging device

Technical Field

The invention relates to the field of natural gas exploitation, in particular to a hidden cleaning mechanism of a natural gas exploitation pit digging device.

Background

Natural gas is a high-efficient high-quality clean energy, the use is more and more extensive, the demand is increasing continuously, since 90 s of 20 th century, the number of families using natural gas in China has gradually increased, natural gas becomes to replace combustible materials such as briquettes and the like to be used in family life, a small amount of sulfur dioxide, nitrogen oxide and the like are generated after the natural gas is combusted, the environmental pollution can be reduced, the natural gas is organic substances such as animal and plant remains in oceans and lakes, the natural gas is generated and moved under the biochemical action and the geological metamorphism in the geology below the ground, and is combustible gas accumulated and formed under certain pressure, so the natural gas is required to be dug, a plurality of stone layers above the natural gas are dug, the dug is generally a digging machine, and the existing digging machine has the following defects: 1. a cleaning mechanism is not arranged, so that the soil on the drill bit assembly 5 is not easy to clean, and the excavating effect is influenced; 2. the cleaning structure may collide during operation of the drill bit assembly 5, affecting the rotational speed of the drill bit and thus the excavation effect.

Disclosure of Invention

Aiming at the defects of the prior art, the invention is realized by the following technical scheme: hidden clean mechanism of natural gas exploitation digging device, its structure includes drill bit, helical blade, clean structure, support, drill bit assembly, joint, transmission shaft, forearm, install the drill bit assembly on the support, the other clean structure of installing of drill bit assembly, the drill bit assembly still is connected with transmission shaft machinery through the joint, the support end is fixed with the forearm, install the drill bit perpendicularly under the drill bit assembly, helical blade installs on the drill bit assembly and cooperatees with clean structure, clean structure is equipped with device shell, wiring structure, rope limit structure, extending structure, screens structure, balanced structure, wrong structure in top, synchronous reverse structure, be equipped with extending structure and drill bit assembly in the middle of the device shell is inside side by side, and through synchronous reverse structure mechanical connection between the level, synchronous reverse structure's bottom is from last to being equipped with wrong structure in proper order down, The drill bit assembly comprises a balance structure, wherein the top end of the telescopic structure is mechanically connected with a rope winding structure directly above the telescopic structure through a rope limiting structure, the telescopic structure is back to the inner wall of the device shell on the side of the drill bit assembly and is provided with a clamping structure, and the clamping structure is mechanically connected with the telescopic structure and the balance structure respectively.

As the further optimization of this technical scheme, the drill bit assembly is including sealing the fixed plate, ending the shelves bearing, pivot, spacing bottom plate, linking pole, drilling rod, it installs on the inside top of device shell to seal the fixed plate and be fixed with wiring structure and pivot, pivot external surface fixed mounting has ends the shelves bearing, the pivot other end runs through behind the spacing bottom plate of vertical fixation in device shell bottom surface perpendicularly through linking pole perpendicular and drilling rod mechanical connection, end the pivot between shelves bearing and the sealed fixed plate still with synchronous reverse structure mechanical connection, drilling rod external surface mounting has helical blade.

As a further optimization of the technical scheme, the rope winding structure is provided with a rotary supporting rod, a central rope winding cylinder, a fixing plate and a guide wheel, the central rope winding cylinder is fixed on the closed fixing plate, three rotary supporting rods are uniformly welded on the side face of the tail end of the central rope winding cylinder, the inner wall of the device shell below the central rope winding cylinder is horizontally fixed with the guide wheel through the fixing plate, and the rope winding structure is not only mechanically connected with the telescopic structure through a rope limiting structure, but also mechanically connected with the clamping structure.

As a further optimization of this technical scheme, extending structure is equipped with gusset plate, embedding post, interior notch, the flexible section of thick bamboo of screw thread, card entry, just brush head, just strip, the perpendicular embedding of embedding post is located on the closed fixed plate of center rope winding section of thick bamboo under and consolidates with the gusset plate, it has an annular indent to open in the middle of the embedding post is positive, the embedding post other end then is connected with synchronous reverse structure machinery, the embedding post is on same line with the flexible section of thick bamboo of screw thread, the flexible section of thick bamboo top of screw thread is connected with synchronous reverse structure machinery, the flexible section of thick bamboo of screw thread is oval cylinder, the terminal vertical welding of flexible section of thick bamboo of screw thread has just brushed the head, just brush and last the inlaying of head has just strip more than two, just strip then cooperatees with the spiral blade.

As a further optimization of the technical scheme, the rope limiting structure is provided with a rope hole, a steel wire rope and a wire guide rod, the wire guide rod is of an L-shaped structure, the vertical end of the wire guide rod is welded on the closed fixing plate, a reinforcing plate right below the wire guide rod is provided with the rope hole, the steel wire rope is wound on an inner notch of the embedded column, and the other end of the steel wire rope penetrates through the rope hole, the wire guide rod, a central rope winding drum and a wire guide wheel to be bound with the clamping structure.

As a further optimization of the technical scheme, the clamping structure comprises a vertical slide way, a hanging lug, a weight block, a first spring, a notch, a second spring, a moving body, a thread, a vertical rod and a ring, wherein the vertical slide way is welded on the inner wall of the device shell under the reinforcing plate through electric welding, the weight block is arranged in the vertical slide way and is in sliding fit with the vertical slide way, the first spring is arranged between the weight block and the bottom end of the vertical slide way, the hanging lug is vertically welded on the top end face of the weight block, the side face of the weight block is provided with the notch, a spring column is horizontally welded in the notch, the moving body and the notch are positioned on the same horizontal plane and are mechanically connected through the second spring, the other end of the moving body is carved with the thread and is also in movable fit with a clamping opening on the telescopic structure, the bottom end face of the weight block opposite to the hanging lug is vertically welded with the vertical rod, the tail end of the vertical rod is welded with a circular ring, the circular ring is mechanically connected with the balance structure, and a steel wire rope is bound on the hanging lug.

As a further optimization of this technical scheme, balanced structure is equipped with stand, balancing pole, second ring, second wire wheel, second steel cable, base, the base splices on the face of stop plate top, the vertical fixation has the stand on the base, the balancing pole is installed at the stand end, the second ring is installed through the screw to the balancing pole head end, the balancing pole other end then is connected with the wrong structure machinery in top, the stop plate side-mounting under the base has the second wire wheel, second steel cable one end is tied up on the second ring, the second steel cable other end is in the same place with the ring after bypassing the second wire wheel.

As the further optimization of this technical scheme, the wrong structure in top includes branch, ejector pin, wearing way, horizontal pole, fixed stand, second reinforcing bottom plate, the horizontal pole head end is fixed on the vertical end of spacing bottom plate through fixed stand level to it consolidates to use the second reinforcing bottom plate, the perpendicular drill of the horizontal pole other end has a wearing way, the ejector pin runs through this wearing way perpendicularly after with the end contact that the second ring was kept away from to the balancing pole, the ejector pin other end then with synchronous reverse structure mechanical connection, the branch is installed to the horizontal both sides at both ends about the ejector pin, the branch is the arc structure and with horizontal pole movable contact, the setting of branch is in order to avoid the ejector pin to reciprocate in wearing the way in the problem that becomes the derailment.

As a further optimization of this technical scheme, synchronous reverse structure is equipped with fixing bearing, reset spring, first rotation gear, second drive gear, ellipse and links up the interface, the interface is linked up to the circle, fixing bearing fixes the linking department at pivot and closed fixed plate, first rotation gear is run through in fixing bearing and the pivot of stopping between the shelves bearing, reset spring cover is at the pivot surface between fixing bearing and the first rotation gear, first rotation gear and second drive gear are located logical horizontal plane and the two meshes perpendicularly, the positive centre of both ends face is opened respectively about the second drive gear has positive circle to link up interface and ellipse and links up the interface, positive circle links up the interface and adopts interference fit with the embedding post, ellipse links up interface and the gomphosis of screw telescopic tube, first rotation gear bottom face still contacts with the ejector pin.

As a further optimization of the technical scheme, the outer diameter of the stop bearing is smaller than that of the first rotating gear, so that the stop bearing is prevented from interfering with the first rotating gear.

Advantageous effects

The invention relates to a hidden cleaning mechanism of a natural gas exploitation pit digging device, which is provided with a cleaning structure, when a drill bit assembly rotates reversely and is connected through a synchronous reverse structure to drive a telescopic structure to stretch, soil on a spiral blade is scraped, the soil on the spiral blade is completely removed, when a drill rod descends again, no soil exists, the drill bit can be completely in full contact with a stratum when the spiral blade is driven by the drill bit to descend, and therefore the pit digging efficiency is improved.

1. The invention adopts a synchronous reverse structure to realize the opposite rotation directions of the drill bit assembly and the telescopic structure, namely the telescopic structure rotates reversely when the drill bit assembly rotates forwards, the direction change is mainly realized through the first rotating gear and the second transmission gear, when a drill rod rotates downwards to dig a pit, the brush head is just hidden in the device shell, the drill rod rotates backwards to clean, and the reset spring assists the first rotating gear to reset when the drill rod rotates reversely and is meshed with the second transmission gear after being supported by the ejector rod.

2. According to the invention, a clamping structure is adopted, when the threaded telescopic cylinder drives the rigid brush head to be hidden into the device shell, the steel wire rope is loosened through the transmission of the rope winding structure and the rope limiting structure, the rigid brush head gradually slides down along the vertical slideway under the action of the gravity of the weight block to compress the first spring, and meanwhile, the moving body is clamped into the clamping opening under the action of the second spring along with the change of the outer diameter of the threaded telescopic cylinder, so that the threaded telescopic cylinder is stabilized, and the phenomenon that the threaded telescopic cylinder loses balance due to the shaking of a drill rod during the operation is avoided.

3. The invention adopts a rope winding structure and a rope limiting structure, the rope hole, the wire guide rod and the wire guide wheel are used for limiting the flow direction of the steel wire rope, so that the interference caused by disorder of the steel wire rope is avoided, and the central rope winding drum, the inner notch embedded in the column and the inner notch used for winding the steel wire rope are more labor-saving and accurate in force transmission, so that the loss is avoided.

4. The invention adopts a balance structure and a jacking structure, a rigid brush head is hidden in a device shell, and the transmission of a synchronous reverse structure is cut off, so that on one hand, the structure abrasion caused by excessive rotation when a thread telescopic cylinder retracts is avoided, on the other hand, the phenomenon that a moving body cannot be smoothly pulled out from a clamping opening and the thread telescopic cylinder cannot extend in the later period caused by excessive loosening of a steel wire rope is avoided, and the main working process is that when a heavy object block is completely pressed down, a hanging rod descends to the lowest position, the balance rod is completely pulled through a second steel rope, the balance rod is unbalanced, the other end of the balance rod is lifted, an ejector rod is jacked, a second transmission gear is lifted, a first transmission gear and a second transmission gear are completely staggered, and the transmission is cut off.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural diagram of a hidden cleaning mechanism of the natural gas mining digging device.

Fig. 2 is a schematic structural view of a cleaning structure according to the present invention.

Fig. 3 is a partial structural schematic diagram of fig. 2.

Fig. 4 is an enlarged schematic view of a structure in fig. 3.

FIG. 5 is a schematic diagram of a synchronous reverse structure according to the present invention.

In the figure: a drill bit-1, a spiral blade-2, a cleaning structure-3, a bracket-4, a drill bit assembly-5, a joint-6, a transmission shaft-7, a small arm-8, a device shell-31, a rope winding structure-32, a rope limiting structure-33, a telescopic structure-34, a clamping structure-35, a balance structure-36, a staggered structure-37, a synchronous reverse structure-38, a closed fixing plate-51, a stop bearing-52, a rotating shaft-53, a limit bottom plate-54, a connecting rod-55, a drill rod-56, a rotating support rod-321, a central rope winding cylinder-322, a fixing plate-323, a rope hole-331, a steel wire rope-332, a guide rod-333, a guide wheel-324, a reinforcing plate-341, an embedded column-342, a guide rod-341, a guide rod-342, a guide rod-34, a guide rod-32, a guide rod-3, a guide rod-6, a guide rod-32, a guide rod, a guide, An inner notch-343, a thread telescopic cylinder-344, a clamping opening-345, a rigid brush head-346, a rigid bar-347, a rope hole-331, a steel wire rope-332, a wire guide rod-333, a vertical slideway-351, a hanging lug-352, a weight block-353, a first spring-354, a notch-355, a second spring-356, a moving body-357, a thread-358, a hanging rod-359, a circular ring-3510, a vertical column-361, a balancing rod-362, a second circular ring-363, a second wire guide wheel-364, a second steel rope-365, a base-366, a branch-371, a top rod-372, a through channel-373, a cross rod-374, a fixed vertical column-375, a second reinforced bottom plate-376, a fixed bearing-381, a reset spring-382, a fixed vertical column-375, a fixed bottom plate-376, a fixed bearing-381, a reset spring-382, a fixed rod-356, a fixed rod-358, a vertical rod-359, a vertical rod-and a vertical rod-like, A first rotating gear-383, a second driving gear-384, an oval joint-385 and a round joint-386.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the following description and the accompanying drawings further illustrate the preferred embodiments of the invention.

Examples

Referring to fig. 1-5, the present invention provides a hidden cleaning mechanism for a natural gas mining and digging device. Its structure includes drill bit 1, helical blade 2, clean structure 3, support 4, drill bit assembly 5, joint 6, transmission shaft 7, forearm 8, install drill bit assembly 5 on the support 4, the other clean structure 3 of installing of drill bit assembly 5, drill bit assembly 5 still through joint 6 and transmission shaft 7 mechanical connection, 4 end of support is fixed with forearm 8, install drill bit 1 under drill bit assembly 5 perpendicularly, helical blade 2 installs on drill bit assembly 5 and cooperatees with clean structure 3, clean structure 3 is equipped with device shell 31, rope winding structure 32, rope limit structure 33, extending structure 34, screens structure 35, balanced structure 36, top wrong structure 37, synchronous reverse structure 38, device shell 31 is inside to be equipped with extending structure 34 and drill bit assembly 5 side by side in the middle of side, and through synchronous reverse structure 38 mechanical connection between the level, the bottom of synchronous inverted structure 38 is from last to being equipped with wrong structure 37 in top, balanced structure 36 down in proper order, rope limit structure 33 and the wiring structure 32 mechanical connection that is located it directly over are passed through on extending structure 34 top, the screens structure 35 is installed to extending structure 34 back to the side device shell 31 inner wall of drill bit assembly 5, screens structure 35 respectively with extending structure 34, balanced structure 36 mechanical connection.

The drill bit assembly 5 comprises a closed fixing plate 51, a stop bearing 52, a rotating shaft 53, a limiting bottom plate 54, a connecting rod 55 and a drill rod 56, wherein the closed fixing plate 51 is installed at the top end inside the device shell 31, a rope winding structure 32 and the rotating shaft 53 are fixed on the closed fixing plate 51, the stop bearing 52 is fixedly installed on the outer surface of the rotating shaft 53, the other end of the rotating shaft 53 vertically penetrates through the limiting bottom plate 54 vertically fixed on the bottom surface of the device shell 31 and then is vertically and mechanically connected with the drill rod 56 through the connecting rod 55, the rotating shaft 53 between the stop bearing 52 and the closed fixing plate 51 is also mechanically connected with the synchronous reversing structure 38, and the spiral blade 2 is installed on the outer surface of the drill rod 56.

The rope winding structure 32 is provided with a rotating support rod 321, a central rope winding drum 322, a fixing plate 323 and a guide wheel 324, the central rope winding drum 322 is fixed on the closed fixing plate 51, the three rotating support rods 321 are uniformly welded on the side surface of the tail end of the central rope winding drum 322, the guide wheel 324 is fixed on the inner wall of the device shell 31 below the central rope winding drum 322 in the horizontal direction through the fixing plate 323, and the rope winding structure 32 is mechanically connected with the telescopic structure 34 through a rope limiting structure 33 and is also mechanically connected with the clamping structure 35.

The telescopic structure 34 is provided with a reinforcing plate 341, an embedded column 342, an inner concave 343, a threaded telescopic cylinder 344, a clamping opening 345, a rigid brush head 346 and rigid bars 347, the embedded column 342 is vertically embedded in the closed fixing plate 51 positioned right below the central rope winding cylinder 322 and is reinforced by the reinforcing plate 341, the annular inner concave 343 is opened in the middle of the embedded column 342, the other end of the embedded column 342 is mechanically connected with the synchronous reversing structure 38, the embedded column 342 and the threaded telescopic cylinder 344 are positioned on the same line, the top end of the threaded telescopic cylinder 344 is mechanically connected with the synchronous reversing structure 38, the threaded telescopic cylinder 344 is an oval cylinder, the rigid brush head 346 is vertically welded at the tail end of the threaded telescopic cylinder 344, more than two rigid bars 347 are embedded in the rigid brush head 346, and the rigid bars 347 are matched with the spiral blade 2.

The rope limiting structure 33 is provided with a rope hole 331, a steel wire rope 332 and a wire guiding rod 333, the wire guiding rod 333 is of an L-shaped structure, the vertical end of the wire guiding rod 333 is welded on the closed fixing plate 51, the reinforcing plate 341 right below the wire guiding rod 333 is provided with the rope hole 331, the steel wire rope 332 is wound on the inner concave opening 343 of the embedded column 342, and the other end of the wire guiding rod passes through the rope hole 331, the wire guiding rod 333, the central rope winding drum 322 and the wire guiding wheel 324 and is bound with the clamping structure 35.

The retaining structure 35 is composed of a vertical slide 351, a hanging lug 352, a weight block 353, a first spring 354, a notch 355, a second spring 356, a moving body 357, a thread 358, a hanging rod 359 and a ring 3510, the vertical slide 351 is welded on the inner wall of the device shell 31 right below the reinforcing plate 341 by electric welding, the weight block 353 is arranged inside the vertical slide 351 and is in sliding fit with the vertical slide, the first spring 354 is arranged between the weight block 353 and the bottom end of the vertical slide 351, the hanging lug 352 is vertically welded on the top end face of the weight block 353, a notch 355 is formed on the side face of the weight block 353, a spring column is horizontally welded in the notch 355, the moving body 357 and the notch 355 are positioned on the same horizontal plane and are mechanically connected by the second spring 356, the other end of the moving body 358 is carved with the thread 358 and is movably matched with a clamping inlet 345 on the telescopic structure 34, a vertical rod 359 is vertically welded on the bottom end face of the weight block 353 opposite to the hanging lug 352, a circular ring 3510 is welded at the tail end of the vertical rod 359, the circular ring 3510 is mechanically connected with the balance structure 36, and a steel wire rope 332 is tied on the hanging lug 352.

The balance structure 36 is provided with a vertical column 361, a balance bar 362, a second circular ring 363, a second wire guide wheel 364, a second steel rope 365 and a base 366, the base 366 is glued on the top end face of the limit bottom plate 54, the vertical column 361 is vertically fixed on the base 366, the balance bar 362 is installed at the tail end of the vertical column 361, the second circular ring 363 is installed at the head end of the balance bar 362 through a screw, the other end of the balance bar 362 is mechanically connected with the top staggered structure 37, the second wire guide wheel 364 is installed on the side face of the limit bottom plate 54 right below the base 366, one end of the second steel rope 365 is tied on the second circular ring 363, and the other end of the second steel rope 365 is tied with the circular ring 3510 after bypassing the second wire guide wheel 364.

The staggered-ejection structure 37 comprises branches 371, ejector rods 372, a channel 373, a cross rod 374, fixed columns 375 and a second reinforcing bottom plate 376, the head end of the cross rod 374 is horizontally fixed on the vertical end of the limiting bottom plate 54 through the fixed columns 375 and is reinforced by the second reinforcing bottom plate 376, the channel 373 is vertically drilled at the other end of the cross rod 374, the ejector rods 372 vertically penetrate through the channel 373 and are in contact with the end of the balancing rod 362 far away from the second circular ring 363, the other end of the ejector rods 372 are mechanically connected with the synchronous reverse structure 38, the branches 371 are installed on the two horizontal sides of the upper end and the lower end of the ejector rods 372, the branches 371 are arc-shaped and are in movable contact with the cross rod 374, and the branches 371 are arranged to avoid the problem that the ejector rods 372 move up and down in the channel 373 to form derail.

The synchronous reversing structure 38 is provided with a fixed bearing 381, a return spring 382, a first rotating gear 383, a second rotating gear 384, an oval joint 385 and a right circular joint 386, the fixed bearing 381 is fixed at the joint of the rotating shaft 53 and the closed fixing plate 51, the first rotating gear 383 is penetrated on the rotating shaft 53 between the fixed bearing 381 and the stop bearing 52, the return spring 382 is fitted around the outer surface of the rotating shaft 53 between the fixed bearing 381 and the first rotating gear 383, the first and

second transfer gears

383 and 384 are located on a horizontal plane and vertically engaged, a right circular connecting port 386 and an elliptical connecting port 385 are respectively arranged at the right centers of the upper end surface and the lower end surface of the second transmission gear 384, the right circular connecting port 386 is in interference fit with the embedding column 342, the elliptical connecting port 385 is embedded in the threaded telescopic cylinder 344, and the bottom end face of the first rotating gear 383 is also in contact with the top rod 372.

The outer diameter of the stopper bearing 52 is smaller than the outer diameter of the first rotating gear 383, so that the stopper bearing 52 is prevented from interfering with the first rotating gear 383.

Install clean structure 3, when drill bit assembly 5 reversal through synchronous inverted structure 38 link up when driving extending structure 34 flexible, scrape earth above the helical blade 2, clear away the earth on the helical blade 2 completely, when reducing drilling rod 56 and descend once more, there is not the existence of earth, can fully contact with the stratum completely when drill bit 1 takes helical blade 2 to descend, thereby the efficiency of digging a pit, when drill bit assembly 5 corotation, let extending structure 34 retract on the one hand, hide into in the device shell 31, screens structure 35 blocks restriction extending structure 34 simultaneously, on the other hand lets the wrong structure 37 of top push up through balanced structure 36, make the transmission of synchronous inverted structure 38 stagger, avoid extending structure 34 and the helical blade 2 on the drilling rod 56 to collide with each other, directly improve the rotational speed of drilling rod 56.

The invention solves the problems that 1, a cleaning mechanism is not arranged, the soil on the drill bit assembly 5 is not easy to clean, and the excavation effect is influenced; 2. the cleaning structure collides when the drill bit assembly 5 works to influence the rotating speed of the drill bit and further influence the excavating effect, and the cleaning structure 3 extends out of the cleaning spiral blade 2 and is hidden in the device shell 31 to avoid the interference with the work of the drill bit assembly 5 through the mutual combination of the parts and the adoption of the structures such as the telescopic structure 34, the jacking structure 37 and the like, so that the excavating effect is improved.

While there have been shown and described what are at present considered the fundamental principles of the invention, the essential features and advantages thereof, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but rather, is capable of numerous changes and modifications in various forms without departing from the spirit or essential characteristics thereof, and it is intended that the invention be limited not by the foregoing descriptions, but rather by the appended claims and their equivalents.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The hidden cleaning mechanism of the natural gas mining and digging device structurally comprises a drill bit (1), a spiral blade (2), a cleaning structure (3), a support (4), a drill bit assembly (5), a joint (6), a transmission shaft (7) and a small arm (8), wherein the drill bit assembly (5) is installed on the support (4), the cleaning structure (3) is installed beside the drill bit assembly (5), and the drill bit assembly (5) is mechanically connected with the transmission shaft (7) through the joint (6); the method is characterized in that:

A small arm (8) is fixed at the tail end of the support (4), a drill bit (1) is vertically installed right below the drill bit assembly (5), and the spiral blade (2) is installed on the drill bit assembly (5) and matched with the cleaning structure (3);

clean structure (3) are equipped with device shell (31), wiring structure (32), rope limit structure (33), extending structure (34), screens structure (35), balanced structure (36), wrong structure (37) in top, synchronous reverse structure (38), be equipped with extending structure (34) and drill bit assembly (5) in the middle of device shell (31) is inside right side by side, and through synchronous reverse structure (38) mechanical connection between the level, the bottom of synchronous reverse structure (38) is from last to being equipped with wrong structure (37) in top down in proper order, balanced structure (36), extending structure (34) top is through rope limit structure (33) and be located wiring structure (32) mechanical connection directly over it, screens structure (35) are installed to the side device shell (31) inner wall of drill bit assembly (5) back to back in extending structure (34), screens structure (35) respectively with extending structure (34), A balancing structure (36) is mechanically connected;

The drill bit assembly (5) comprises a closed fixing plate (51), a stop bearing (52), a rotating shaft (53), a limiting bottom plate (54), a connecting rod (55) and a drill rod (56), the closed fixing plate (51) is installed at the top end inside a device shell (31), a rope winding structure (32) and the rotating shaft (53) are fixed on the closed fixing plate (51), the stop bearing (52) is fixedly installed on the outer surface of the rotating shaft (53), the other end of the rotating shaft (53) vertically penetrates through the limiting bottom plate (54) vertically fixed to the bottom surface of the device shell (31) and then is vertically and mechanically connected with the drill rod (56) through the connecting rod (55), the rotating shaft (53) between the stop bearing (52) and the closed fixing plate (51) is also mechanically connected with a synchronous reverse structure (38), and a spiral blade (2) is installed on the outer surface of the drill rod (56);

the rope winding structure (32) is provided with a rotating support rod (321), a central rope winding barrel (322), a fixing plate (323) and a wire guide wheel (324), the central rope winding barrel (322) is fixed on the closed fixing plate (51), three rotating support rods (321) are uniformly welded on the side face of the tail end of the central rope winding barrel (322), the wire guide wheel (324) is horizontally fixed on the inner wall of the device shell (31) below the central rope winding barrel (322) through the fixing plate (323), and the rope winding structure (32) is mechanically connected with the telescopic structure (34) through a rope limiting structure (33) and is also mechanically connected with the clamping structure (35);

The telescopic structure (34) is provided with a reinforcing plate (341), an embedded column (342), an inner notch (343), a threaded telescopic cylinder (344), a clamping opening (345), a rigid brush head (346) and rigid bars (347), the embedded column (342) is vertically embedded into a closed fixing plate (51) which is positioned right below a central rope winding cylinder (322) and is reinforced by the reinforcing plate (341), the middle of the embedded column (342) is provided with the annular inner notch (343), the other end of the embedded column (342) is mechanically connected with a synchronous reverse structure (38), the embedded column (342) and the threaded telescopic cylinder (344) are positioned on the same line, the top end of the threaded telescopic cylinder (344) is mechanically connected with the synchronous reverse structure (38), the threaded telescopic cylinder (344) is an oval cylinder, the tail end of the threaded telescopic cylinder (344) is vertically welded with the rigid brush head (346), and more than two rigid bars (347) are embedded into the rigid brush head (346), the rigid strips (347) are matched with the spiral blade (2);

the rope limiting structure (33) is provided with a rope hole (331), a steel wire rope (332) and a wire guide rod (333), the wire guide rod (333) is of an L-shaped structure, the vertical end of the wire guide rod (333) is welded on the closed fixing plate (51), a reinforcing plate (341) right below the wire guide rod (333) is provided with the rope hole (331), the steel wire rope (332) is wound on an inner concave opening (343) of the embedded column (342), and the other end of the wire guide rod (333) penetrates through the rope hole (331), the wire guide rod (333), a central rope winding drum (322) is wound, and a wire guide wheel (324) is bound with the clamping structure (35);

The clamping structure (35) consists of a vertical slide way (351), a hanging lug (352), a heavy object block (353), a first spring (354), a notch (355), a second spring (356), a moving body (357), a thread (358), a vertical rod (359) and a ring (3510), the vertical slide way (351) is welded on the inner wall of the device shell (31) right below the reinforcing plate (341) through electric welding, the heavy object block (353) is arranged inside the vertical slide way (351) and is in sliding fit with the vertical slide way, the first spring (354) is installed between the heavy object block (353) and the bottom end of the vertical slide way (351), the hanging lug (352) is vertically welded on the top end face of the heavy object block (353), a notch (355) is formed in the side face of the heavy object block (353), a spring column is horizontally welded in the notch (355), the moving body (357) and the notch (355) are located on the same horizontal plane, the moving body (357) and the balance structure are mechanically connected through a second spring (356), threads (358) are carved on the other end of the moving body (357), the other end of the moving body is movably matched with a clamping inlet (345) on the telescopic structure (34), a vertical rod (359) is vertically welded on the bottom end face of the heavy object block (353) opposite to the hanging lug (352), a circular ring (3510) is welded at the tail end of the vertical rod (359), the circular ring (3510) is mechanically connected with the balance structure (36), and a steel wire rope (332) is bound on the hanging lug (352);

The balance structure (36) is provided with an upright column (361), a balance rod (362), a second circular ring (363), a second wire guide wheel (364), a second steel rope (365) and a base (366), the base (366) is connected to the top end face of the limiting bottom plate (54) in an adhesive mode, the upright column (361) is vertically fixed on the base (366), the balance rod (362) is installed at the tail end of the upright column (361), the second circular ring (363) is installed at the head end of the balance rod (362) through a screw, the other end of the balance rod (362) is mechanically connected with the jacking structure (37), the second wire guide wheel (364) is installed on the side face of the limiting bottom plate (54) right below the base (366), one end of the second steel rope (365) is tied to the second circular ring (363), and the other end of the second steel rope (365) is tied to the circular ring (3510) after bypassing the second wire guide wheel (364);

the jacking staggered structure (37) comprises branches (371), ejector rods (372), a channel (373), cross rods (374), fixed upright columns (375) and a second reinforcing bottom plate (376), the head ends of the cross rods (374) are horizontally fixed on the vertical ends of the limiting bottom plates (54) through the fixed upright columns (375) and are reinforced by the second reinforcing bottom plate (376), the channel (373) is vertically drilled at the other ends of the cross rods (374), the ejector rods (372) vertically penetrate through the channel (373) and then are in contact with the ends, far away from the second circular ring (363), of the balancing rods (362), the other ends of the ejector rods (372) are mechanically connected with the synchronous reverse structure (38), the branches (371) are installed on the horizontal two sides of the upper end and the lower end of the ejector rods (372), and the branches (371) are arc-shaped structures and are in movable contact with the cross rods (374);

The synchronous reverse structure (38) is provided with a fixed bearing (381), a reset spring (382), a first rotating gear (383), a second transmission gear (384), an oval joint (385) and a round joint (386), the fixed bearing (381) is fixed at the joint of a rotating shaft (53) and a closed fixing plate (51), the first rotating gear (383) is penetrated on the rotating shaft (53) between the fixed bearing (381) and a stop bearing (52), the reset spring (382) is sleeved on the outer surface of the rotating shaft (53) between the fixed bearing (381) and the first rotating gear (383), the first rotating gear (383) and the second transmission gear (384) are positioned on the same horizontal plane and vertically meshed with each other, the centers of the upper end surface and the lower end surface of the second transmission gear (384) are respectively provided with the round joint (386) and the oval joint (385), the right circular connecting port (386) is in interference fit with the embedding column (342), the elliptic connecting port (385) is embedded with the threaded telescopic cylinder (344), and the bottom end face of the first rotating gear (383) is also in contact with the ejector rod (372);

when the drill bit assembly reversal links up through synchronous reverse structure and drives extending structure flexible, scrape the earth above the helical blade, clear away the earth on the helical blade completely, when making the drilling rod descend once more, there is not the existence of earth, can fully contact with the stratum completely when the drill bit area helical blade descends, thereby improve the efficiency of digging pit, when drill bit assembly corotation, let the extending structure retract on the one hand, hide in the device shell, the screens structure blocks restriction extending structure simultaneously, on the other hand lets the wrong structure of top go up through balanced structure, make the transmission of synchronous reverse structure stagger, avoid the helical blade on extending structure and the drilling rod to collide with, directly improve the rotational speed of drilling rod.