CN112360367A

CN112360367A - Auxiliary assembly with automatic steel casing and drill bit replacement function

Info

Publication number: CN112360367A
Application number: CN202011289614.8A
Authority: CN
Inventors: 梁丽珏
Original assignee: Dongguan Yitou Labor Insurance Products Co ltd
Current assignee: Dongguan Yitou Labor Insurance Products Co ltd
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-02-12

Abstract

The invention discloses auxiliary equipment with an automatic embedded steel casing and a replaceable drill bit, which comprises a replacing device, wherein a replacing mechanism is arranged in the replacing device, a driving mechanism is also arranged in the replacing device, a driven mechanism is also arranged in the replacing device, the replacing mechanism comprises a flat-bottom drill bit placing cavity and a conical drill bit placing cavity which are also arranged in the replacing device, the device has simple structure and convenient operation, when the device is normally used, a worker firstly places the replaced flat-bottom drill bit in the replacing cavity, the conical drill bit is arranged on a rotating shaft, the steel casing is arranged on the device at the same time, the device can fix the steel casing, then the steel casing is embedded in soil and then drilled, if the drill bit needs to be replaced, the switch of the device can be controlled to automatically replace the drill bit, the working time of the worker is saved, and the working efficiency is improved, meanwhile, the life safety of workers is ensured.

Description

Auxiliary assembly with automatic steel casing and drill bit replacement function

Technical Field

The invention relates to the field of pipe design, in particular to auxiliary equipment with an automatic steel casing embedding function and a drill bit replacing function.

Background

In life, the catheter is a drop in daily life, such as a water pipe, a gas pipe, an oil pipe and the like;

in the current stage, people usually adopt different machines to fill a steel casing into the ground, then replace another machine to drill at the position of the buried steel casing, and then replace a drill bit on the device according to different soil structures.

Disclosure of Invention

The invention aims to solve the technical problem of providing auxiliary equipment with an automatic steel casing embedding function and a drill bit replacing function, and the auxiliary equipment overcomes the problems.

The invention is realized by the following technical scheme.

The invention relates to auxiliary equipment with an automatic embedded steel pile casing and a replaceable drill bit, which comprises a replacing device, wherein a replacing mechanism is arranged in the replacing device, a driving mechanism is also arranged in the replacing device, a driven mechanism is also arranged in the replacing device, the replacing mechanism comprises a flat-bottom drill bit placing cavity and a conical drill bit placing cavity which are also arranged in the replacing device, a rotating rod is also arranged in the replacing device, driven cavities are respectively arranged in the flat-bottom drill bit placing cavity and the conical drill bit placing cavity, which are far away from the rotating rod, a push plate is arranged in the driven cavity, the end surface of the push plate, which is far away from the rotating rod, is fixedly connected with a push plate spring, the other end of the push plate is fixedly connected with the cavity wall of the driven cavity, the end surface of the right side push plate, which is far away from the rotating rod, is fixedly connected with a, the end face of the push plate close to the rotating rod is connected with a clamp body in a sliding manner, a clamp cavity is arranged in the clamp body, the upper cavity wall and the lower cavity wall of the clamp cavity are connected with a driving special shaft in a rotating manner, the driving special shaft is fixedly connected with a driving special wheel and a circular gear, the upper cavity wall and the lower cavity wall of the clamp cavity are also connected with a driven special shaft in a rotating manner, the driven special shaft is connected with the driving special wheel through a special belt, the front clamp part and the rear clamp part of the clamp body can slide, a sliding groove is further arranged in the clamp body, a sliding block is connected in the sliding groove in a sliding manner, the upper end face of the sliding block is fixedly connected with the other end of the telescopic spring fixedly connected with the upper cavity wall of the driven cavity, the upper cavity wall of the driven cavity is fixedly connected, the replacing device is also internally provided with two driven small belt wheel cavities, the lower cavity wall of each driven small belt wheel cavity is rotatably connected with a long gear shaft, the long gear shaft is fixedly connected with a driven small belt wheel and a long-sleeve gear, the cavity wall of each driven small belt wheel cavity, which is far away from the rotating rod, is also internally provided with a driving cavity, the lower cavity wall of the driving cavity is also internally provided with a rack cavity, the upper cavity wall of the driving cavity is rotatably connected with a driving shaft, the other end of the driving shaft penetrates through the lower cavity wall of the rack cavity to be rotatably connected with the rack cavity, the driving shaft in the driving cavity is fixedly connected with a driving small belt wheel connected through a driven small belt, the driving shaft in the driving cavity is fixedly connected with a driving belt wheel, the driving shaft in the rack cavity is fixedly connected with a round gear, a rack is also arranged in the rack cavity, the circular gear is meshed with the rack.

Further, the driving mechanism comprises a driving cavity and a transmission cavity which are arranged in the replacing device, a positive and negative motor is fixedly connected between the driving cavity and the transmission cavity, the upper end face of the positive and negative motor is in power connection with a power shaft, the power shaft is fixedly connected with a rotating disc, the upper end face of the rotating disc is fixedly connected with an electromagnet, the lower end face of the positive and negative motor is in power connection with a driving wheel shaft, the driving wheel shaft is fixedly connected with a driving wheel connected with the driving belt wheel through a belt, the upper end wall of the driving cavity is rotationally connected with a driven shaft, the driven shaft is fixedly connected with a straight-tooth gear and a rope winding wheel, if a leather rope is arranged on the rope winding wheel, the driven shaft is connected with a rotating gear through a spline, a rotating ring groove is arranged in the rotating gear, a rotating slide block is slidably connected in the rotating ring groove, the lower end face of, the lower end face of the rotating sliding block is fixedly connected with a pull rope, the upper cavity wall and the lower cavity wall of the driving cavity are also rotatably connected with a fixed shaft, the fixed shaft is connected with a rotating gear through a spline, a rotating ring groove is arranged in the rotating gear, the rotating ring groove is connected with a rotating sliding block in a sliding manner, the upper end face of the rotating sliding block is also fixedly connected with a rotating spring of which the other end is fixedly connected with the upper cavity wall of the driving cavity, the upper end face of the rotating sliding block is also fixedly connected with a long rope, the fixed shaft is fixedly connected with a rope winding wheel, the other end of the thin rope is wound on the rope winding wheel, the fixed shaft is also fixedly connected with a fixed rod, a fixed fixture block cavity with an upward opening is also arranged in the lower cavity wall of the driving cavity, a fixed fixture block, and the lower cavity wall of the fixed clamping block cavity is fixedly connected with an electromagnetic coil.

Further, the driven mechanism comprises an auxiliary cavity which is arranged in the replacing device, the front cavity wall and the rear cavity wall of the auxiliary cavity are rotationally connected with an auxiliary shaft, the auxiliary shaft is fixedly connected with an auxiliary rope wheel, the other end of the leather rope is wound on the auxiliary rope wheel, the rear end face of the auxiliary rope wheel is fixedly connected with an auxiliary torsion spring, the other end of the auxiliary torsion spring is fixedly connected with the rear cavity wall of the auxiliary cavity, the auxiliary shaft is connected with an auxiliary sleeve through threads, the front end face of the auxiliary sleeve is also fixedly connected with the other end of the thick rope, a control cavity with an upward opening is also arranged in the lower cavity wall of the auxiliary cavity, a control block is also arranged in the control cavity, the lower end face of the control block is fixedly connected with a control spring, the other end of the control cavity is fixedly connected with the lower cavity wall of the control cavity, the lower end, the fixed cavity is internally provided with a fixed block, the left end face of the fixed block is fixedly connected with a fixed spring, the other end of the fixed spring is fixedly connected with the left cavity wall of the fixed cavity, and the left end face of the fixed block is also fixedly connected with the other end of the pull rope. Furthermore, the rope winding wheel is in friction connection with the fixed shaft, the fixed pull rope is an elastic rope, the rotating rod is in threaded connection with the conical drill bit and the flat-bottomed drill bit, the elastic force of the control spring is greater than that of the rotating spring, and the elastic force of the rotating spring is greater than that of the fixed spring.

The invention has the beneficial effects that: the device simple structure, the simple operation, the device staff places the flat drill bit of replacement at first in the replacement chamber when normal use, conical bit installs in the pivot, protect a section of thick bamboo with the steel simultaneously and install on the device, later the device can protect a section of thick bamboo with the steel and fix, then bury it in soil, later drill again, if need trade when the drill bit, can control its switch and carry out the automatic change drill bit, staff's operating time has been saved, the work efficiency is improved, staff's life safety has been guaranteed simultaneously.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic diagram of the structure A-A of FIG. 1 according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of the structure B-B in FIG. 1 according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of the structure C-C in FIG. 1 according to an embodiment of the present invention;

FIG. 5 is a schematic view of a partial enlarged structure of the conveyor belt in FIG. 1 according to an embodiment of the present invention;

FIG. 6 is an enlarged schematic view of FIG. 1 at D according to an embodiment of the present invention;

fig. 7 is an enlarged schematic structural diagram at E in fig. 2 according to an embodiment of the present invention.

Detailed Description

The invention will now be described in detail with reference to fig. 1-7, wherein for ease of description the orientations described below are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

With reference to fig. 1-7, the auxiliary device with the functions of automatically embedding a steel casing and replacing a drill bit comprises a replacing device 10, wherein a replacing mechanism 84 is arranged in the replacing device 10, a driving mechanism 85 is also arranged in the replacing device 10, a driven mechanism 86 is also arranged in the replacing device 10, the replacing mechanism 84 comprises a flat-bottomed drill bit placing cavity 12 and a conical drill bit placing cavity 18 which are also arranged in the replacing device 10, a rotating rod 17 is also arranged in the replacing device 10, driven cavities 19 are arranged in the flat-bottomed drill bit placing cavity 12 and the conical drill bit placing cavity 18 which are far away from the rotating rod 17, a push plate 53 is arranged in the driven cavity 19, a push plate spring 54 is fixedly connected to the end surface of the push plate 53 which is far away from the rotating rod 17, the other end surface of the push plate is fixedly connected with the cavity wall of the driven cavity 19, a thick rope 38 is fixedly connected to the end surface of the push, the left side push pedal 53 is kept away from the terminal surface fixedly connected with string 62 of bull stick 17, push pedal 53 is close to the terminal surface sliding connection of bull stick 17 has the double-layered body 42, be equipped with clamp chamber 43 in the double-layered body 42, the special axle 45 of initiative is connected in rotation of the cavity wall about the clamp chamber 43, special axle 44 and circular gear 46 of initiative of 45 fixedly connected with of initiative, the cavity wall is still rotated and is connected with driven special axle 41 about the clamp chamber 43, driven special axle 41 through special area 40 with the special wheel 44 of initiative is connected, clamp department can slide around the clamp body 42, still be equipped with spout 51 in the double-layered body 42, sliding connection has slider 49 in the spout 51, slider 49 up end fixedly connected with other end and from cavity 19 cavity wall fixed connection's expanding spring 50, cavity 19 cavity wall fixed connection has fixed stay cord 52 on the driven cavity, the end faces of the front and rear clamps of the clamp body 42 close to the inner side are fixedly connected with the other end of the fixed pull rope 52, a working chamber 20 is arranged in the replacing device 10, two driven small pulley chambers 26 are also arranged in the replacing device 10, the lower chamber wall of each driven small pulley chamber 26 is rotatably connected with a long gear shaft 24, the long gear shaft 24 is fixedly connected with a driven small pulley 25 and a long-sleeve gear 22, a driving chamber 31 is also arranged in the chamber wall of each driven small pulley chamber 26 far away from the rotating rod 17, a rack chamber 30 is also arranged in the lower chamber wall of the driving chamber 31, the upper chamber wall of the driving chamber 31 is rotatably connected with a driving shaft 29, the other end of the driving shaft 29 penetrates through the lower chamber wall of the rack chamber 30 to be rotatably connected with the driving shaft 29 in the driving chamber 31, the driving shaft 29 in the driving chamber 31 is fixedly connected with a driving small pulley 11 connected through a driven small belt 27, and the, the driving shaft 29 located in the rack cavity 30 is fixedly connected with a circular gear 46, a rack 47 is further arranged in the rack cavity 30, the end face, far away from the rotating rod 17, of the rack 47 is further fixedly connected with a telescopic fixing rod 48, and the circular gear 46 is meshed with the rack 47.

Beneficially, the driving mechanism 85 includes a driving cavity 55 and a transmission cavity 90 which are arranged in the replacing device 10, a positive and negative motor 74 is fixedly connected between the driving cavity 55 and the transmission cavity 90, a power shaft 77 is power-connected on the upper end surface of the positive and negative motor 74, a rotating disc 78 is fixedly connected on the power shaft 77, an electromagnet 79 is fixedly connected on the upper end surface of the rotating disc 78, a driving wheel shaft 76 is power-connected on the lower end surface of the positive and negative motor 74, the driving wheel shaft 76 is fixedly connected with a driving wheel 75 connected with the driving wheel 32 through a belt 28, a driven shaft 88 is rotatably connected on the upper wall of the driving cavity 55, the driven shaft 88 is fixedly connected with a straight-tooth gear 82 and a rope winding wheel 83, if a leather rope 58 is arranged on the rope winding wheel 83, the driven shaft 88 is connected with a rotating gear 87 through a spline, a, sliding connection has the rotation slider 80 in the rotation annular 73, the terminal surface fixedly connected with other end and the drive chamber 55 lower chamber wall fixed connection's rotation spring 81 under the rotation slider 80, terminal surface fixedly connected with stay cord 13 under the rotation slider 80, the drive chamber 55 upper and lower chamber wall still rotates and is connected with fixed axle 66, fixed axle 66 has rotary gear 67 through the splined connection, be equipped with rotatory annular 70 in the rotary gear 67, sliding connection has rotatory slider 69 in the rotatory annular 70, rotatory slider 69 up end still fixedly connected with other end and the drive chamber 55 upper chamber wall fixed connection's rotation spring 68, rotatory slider 69 up end still fixedly connected with long rope 60, fixed axle 66 fixedly connected with rope winding wheel 72, around having around the rope winding wheel 72 the other end of string 62, fixed axle 66 still fixedly connected with dead lever 63, the driving mechanism is characterized in that a fixed clamping block cavity 65 with an upward opening is further formed in the lower cavity wall of the driving cavity 55, a fixed clamping block 64 is arranged in the fixed clamping block cavity 65, the lower end face of the fixed clamping block 64 is further fixedly connected with a driven shaft 88, the other end of the driven shaft is fixedly connected with the lower cavity wall of the fixed clamping block cavity 65, and an electromagnetic coil 89 is fixedly connected with the lower cavity wall of the fixed clamping block cavity 65.

Beneficially, the driven mechanism 86 includes an auxiliary chamber 35 disposed in the replacing device 10, an auxiliary shaft 33 is rotatably connected to front and rear chamber walls of the auxiliary chamber 35, the auxiliary shaft 33 is fixedly connected to an auxiliary rope sheave 36, the other end of the leather rope 58 is wound on the auxiliary rope sheave 36, an auxiliary torsion spring 34 having the other end fixedly connected to a rear chamber wall of the auxiliary chamber 35 is fixedly connected to a rear end surface of the auxiliary rope sheave 36, the auxiliary shaft 33 is connected to an auxiliary sleeve 37 through a thread, the front end surface of the auxiliary sleeve 37 is also fixedly connected to the other end of the thick rope 38, a control chamber 57 having an upward opening is further disposed in a lower chamber wall of the auxiliary chamber 35, a control block 59 is further disposed in the control chamber 57, a control spring 56 having the other end fixedly connected to a lower chamber wall of the control chamber 57 is fixedly connected to a lower end surface of the control block 59, and the lower end surface of the control block 59 is, still be equipped with fixed chamber 15 in the change device 10, be equipped with fixed block 16 in the fixed chamber 15, the left end face fixedly connected with other end of fixed block 16 with fixed chamber 15 left chamber wall fixed connection's fixed spring 14, the fixed block 16 left end face still fixedly connected with the other end of stay cord 13. Advantageously, the rope winding wheel 72 is frictionally coupled to the fixed shaft 66, the fixed rope 52 is an elastic rope, the rotating rod 17 is threadedly coupled to the cone bit and the flat-bottomed bit, the control spring 56 has a larger elastic force than the rotating spring 68, and the rotating spring 81 has a larger elastic force than the fixed spring 14.

Sequence of mechanical actions of the whole device:

initial state: the pusher spring 54 is in a compressed state and the rack 47 is located in the rack chamber 30.

1: firstly, a worker places a flat-bottom drill bit in a flat-bottom drill bit placing cavity 12, installs a conical drill bit on a rotating rod 17, places a steel casing below a replacing device 10, rotates forward and backward motors 74 to drive a driving wheel shaft 76, a power shaft 77, a driving wheel 75 and a rotating disc 78 to rotate, drives the driving wheel 75 to rotate, further drives a driving belt wheel 32, a driving shaft 29, a driving small belt wheel 11, a driven small belt wheel 25, a long gear shaft 24 and a long-sleeve gear 22 to rotate, drives the driving shaft 29 to rotate, further drives a circular gear 46 to rotate, further enables a rack 47 to move towards the direction close to the rotating rod 17, further fixes the steel casing, then the machine inserts the steel casing into the ground, then rotates backward and forward and backward motors 74 to drive the driving wheel shaft 76, the driving wheel 75, the driving belt wheel 32, the driving shaft 29 and the circular gear 46 to rotate, further enables the rack 47 to move towards the direction far, further fixing the steel casing at the ground bottom, separating the steel casing from the replacing device 10, completing filling of the steel casing, and turning off the positive and negative motors 74;

2: then the worker starts the machine, the rotating rod 17 rotates to drive the conical drill bit to rotate, soil on the inner side of the steel casing is drilled to be empty, if the drill bit needs to be replaced, the rotating rod 17 moves upwards to the initial position, the forward and reverse motor 74 rotates forwards and simultaneously the electromagnet 79 is electrified to drive the power shaft 77 and the rotating disc 78 to rotate, the electromagnet 79 is electrified to enable the rotating gear 87 to move downwards, the rotating disc 78 is attracted with the rotating gear 87, the rotating gear 87 moves downwards simultaneously, the pull rope 13 is loosened, the fixing block 16 moves towards the direction close to the rotating rod 17, the rotating rod 17 is fixed and cannot rotate any more, the rotating disc 78 rotates to drive the rotating gear 87, the driven shaft 88, the straight gear 82 and the rope winding wheel 83 to rotate, the auxiliary rope wheel 36 and the auxiliary shaft 33 are driven to rotate, the auxiliary sleeve 37 moves forwards, and the thick rope 38 is loosened, and further the push plate 53 on the right side moves to the left, and further the clip body 42 moves to the left, and simultaneously when the clip body 42 moves to the leftmost side, the fixing rope 52 is completely tightened, and further the taper bit is fixed, and further the long sleeve gear 22 is engaged with the circular gear 46, the forward and reverse motor 74 rotates, and simultaneously the driving wheel shaft 76, the driving wheel 75, the driving pulley 32, the driving shaft 29, the driving small pulley 11, the driven small pulley 25, the long gear shaft 24, and the long sleeve gear 22 rotate, and further the circular gear 46 rotates, and further the taper bit moves downward and is loosened, and at this time, the electromagnet 79 is deenergized, and further the rotating gear 87 moves upward, and further the rotating disk 78 and the rotating gear 87 are disengaged, and further the auxiliary rope pulley 36 rotates reversely under the action of the auxiliary torsion spring 34, and further the auxiliary shaft 33 rotates, and further the auxiliary sleeve 37 moves backward and simultaneously tightens the coarse, the conical drill bit is placed in the conical drill bit placing cavity 18, the forward and reverse motor 74 rotates reversely at the same time, the electromagnet 79 is electrified to further drive the power shaft 77 and the rotary disc 78 to rotate, the electromagnet 79 is electrified to enable the rotary gear 87 to move downwards, the rotary disc 78 is further attracted with the rotary gear 87, the rotary gear 87 moves downwards simultaneously to enable the pull rope 13 to be loosened, the fixed block 16 moves towards the direction close to the rotary rod 17, the rotary rod 17 is fixed and does not rotate any more, the rotary disc 78 rotates to further drive the rotary gear 87, the driven shaft 88, the straight-tooth gear 82 and the rope winding wheel 83 to rotate, the straight-tooth gear 82 rotates to further drive the auxiliary rope wheel 36 and the auxiliary shaft 33 to rotate, further the auxiliary sleeve 37 moves backwards, further the thick rope 38 is tensioned, further the push plate 53 on the right side does not move any more, when the auxiliary sleeve 37 presses the control block 59, the fixing rod 63 is limited, the long rope 60 is loosened, the rotating gear 67 moves downwards, the rotating gear 67 is meshed with the straight-tooth gear 82, the straight-tooth gear 82 rotates to drive the rotating gear 67, the fixing shaft 66 and the rope winding wheel 72 to rotate, the thin rope 62 is loosened, the push plate 53 which is positioned on the left side and is clamped with the flat-bottomed drill bit moves towards the direction close to the rotating rod 17, the long-sleeve gear 22 is meshed with the circular gear 46, the circular gear 46 rotates, meanwhile, the clamp body 42 moves downwards, when the clamp body 42 moves to the lowest end, the electromagnetic coil 89 is powered off, the position of the push plate 53 is kept still, the forward and reverse motor 74 rotates again, and the driving wheel shaft 76, the driving wheel 75, the driving wheel 32, the driving shaft 29, the driving small wheel 11, the driven small wheel 25, the long wheel shaft 24 and the long-sleeve gear 22 are driven to rotate, then the round gear 46 is rotated, the flat-bottom drill bit is moved upwards and screwed at the same time, after the flat-bottom drill bit is screwed, the electromagnetic coil 89 is electrified, the limit of the fixed rod 63 is removed, the rotating gear 87 drives the rotating gear 67, the fixed shaft 66 and the rope winding wheel 72 to rotate, the thin rope 62 is tensioned again, the push plate 53 on the left side is moved leftwards, the clamp body 42 is moved leftwards to reset, the drill bit is replaced, then the electromagnet 79 is powered off, the pull rope 13 is tensioned again, and the limit of the rotating rod 17 is removed;

3: meanwhile, the electromagnetic coil 89 is powered off, the forward and reverse motor 74 is turned off, and then the worker continues to drill the hole to finish the work.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an auxiliary assembly with it protects a section of thick bamboo and change drill bit to bury steel underground automatically, includes the change device, its characterized in that: the replacing device is internally provided with a replacing mechanism, the replacing device is internally also provided with a driving mechanism, the replacing device is internally also provided with a driven mechanism, the replacing mechanism comprises a flat-bottom drill placing cavity and a conical drill placing cavity which are positioned in the replacing device, the replacing device is internally also provided with a rotating rod, the flat-bottom drill placing cavity and the conical drill placing cavity are both provided with driven cavities in the cavity wall far away from the rotating rod, a push plate is arranged in each driven cavity, the end surface of the push plate far away from the rotating rod is fixedly connected with a push plate spring, the other end of the push plate is fixedly connected with the cavity wall of the driven cavity, the end surface of the push plate far away from the rotating rod at the right side is fixedly connected with a thick rope, the end surface of the push plate far away from the rotating rod at the left side is fixedly connected with a thin rope, the end surface, the upper cavity wall and the lower cavity wall of the clamp cavity are rotatably connected with a driving special shaft, the driving special shaft is fixedly connected with a driving special wheel and a circular gear, the upper cavity wall and the lower cavity wall of the clamp cavity are also rotatably connected with a driven special shaft, the driven special shaft is connected with the driving special wheel through a special belt, the front clamp and the rear clamp of the clamp body can slide, a chute is also arranged in the clamp body, a slide block is slidably connected in the chute, the upper end surface of the slide block is fixedly connected with a telescopic spring of which the other end is fixedly connected with the upper cavity wall of the driven cavity, the upper cavity wall of the driven cavity is fixedly connected with a fixing pull rope, the end surface of the front clamp and the rear clamp close to the inner side is fixedly connected with the other end of the fixing pull rope, a working cavity is arranged in the replacing device, two driven small pulley, the long-type gear shaft fixedly connected with driven small belt wheel and long-sleeve gear, driven small belt wheel chamber is kept away from still be equipped with the initiative chamber in the chamber wall of bull stick, still be equipped with the rack chamber in the initiative chamber cavity wall, the initiative chamber cavity wall rotates be connected with the other end run through to the driving shaft that rack chamber cavity wall rotates the connection is located in the initiative intracavity the driving shaft fixedly connected with drives the small belt wheel through driven little belt connection, is located in the initiative intracavity driving shaft fixedly connected with driving pulley is located the rack chamber driving shaft fixedly connected with circular gear, the rack intracavity still is equipped with the rack, the rack is kept away from the terminal surface of bull stick still fixedly connected with flexible dead lever, circular gear with rack toothing.

2. The auxiliary equipment for automatically embedding a steel casing and replacing a drill bit according to claim 1, wherein: the driving mechanism comprises a driving cavity and a transmission cavity which are arranged in the replacing device, a positive and negative motor is fixedly connected between the driving cavity and the transmission cavity, the upper end face of the positive and negative motor is in power connection with a power shaft, the power shaft is fixedly connected with a rotating disc, the upper end face of the rotating disc is fixedly connected with an electromagnet, the lower end face of the positive and negative motor is in power connection with a driving wheel shaft, the driving wheel shaft is fixedly connected with a driving wheel connected with the driving belt wheel through a belt, the upper wall of the driving cavity is in rotating connection with a driven shaft, the driven shaft is fixedly connected with a straight-tooth gear and a rope winding wheel, if a leather rope is arranged on the rope winding wheel, the driven shaft is connected with a rotating gear through a spline, a rotating ring groove is arranged in the rotating gear, a rotating slide block is in the rotating ring groove, the lower end face of, the lower end face of the rotating sliding block is fixedly connected with a pull rope, the upper cavity wall and the lower cavity wall of the driving cavity are also rotatably connected with a fixed shaft, the fixed shaft is connected with a rotating gear through a spline, a rotating ring groove is arranged in the rotating gear, the rotating ring groove is connected with a rotating sliding block in a sliding manner, the upper end face of the rotating sliding block is also fixedly connected with a rotating spring of which the other end is fixedly connected with the upper cavity wall of the driving cavity, the upper end face of the rotating sliding block is also fixedly connected with a long rope, the fixed shaft is fixedly connected with a rope winding wheel, the other end of the thin rope is wound on the rope winding wheel, the fixed shaft is also fixedly connected with a fixed rod, a fixed fixture block cavity with an upward opening is also arranged in the lower cavity wall of the driving cavity, a fixed fixture block, and the lower cavity wall of the fixed clamping block cavity is fixedly connected with an electromagnetic coil.

3. The auxiliary equipment for automatically embedding a steel casing and replacing a drill bit according to claim 1, wherein: the driven mechanism comprises an auxiliary cavity which is arranged in the replacing device, the front cavity wall and the rear cavity wall of the auxiliary cavity are rotationally connected with an auxiliary shaft, the auxiliary shaft is fixedly connected with an auxiliary rope wheel, the other end of the leather rope is wound on the auxiliary rope wheel, the rear end face of the auxiliary rope wheel is fixedly connected with an auxiliary torsion spring, the other end of the auxiliary torsion spring is fixedly connected with the rear cavity wall of the auxiliary cavity, the auxiliary shaft is connected with an auxiliary sleeve through threads, the front end face of the auxiliary sleeve is also fixedly connected with the other end of the thick rope, a control cavity with an upward opening is also arranged in the lower cavity wall of the auxiliary cavity, a control block is also arranged in the control cavity, the lower end face of the control block is fixedly connected with a control spring, the other end of the control cavity is fixedly connected with the lower cavity wall of the control cavity, the, the fixed cavity is internally provided with a fixed block, the left end face of the fixed block is fixedly connected with a fixed spring, the other end of the fixed spring is fixedly connected with the left cavity wall of the fixed cavity, and the left end face of the fixed block is also fixedly connected with the other end of the pull rope.

4. The auxiliary equipment for automatically embedding a steel casing and replacing a drill bit according to claim 1, wherein: the rope winding wheel is in friction connection with the fixed shaft, the fixed pull rope is an elastic rope, the rotating rod is in threaded connection with the conical drill bit and the flat-bottomed drill bit, the elastic force of the control spring is greater than that of the rotating spring, and the elastic force of the rotating spring is greater than that of the fixed spring.