CN110326392B

CN110326392B - Digging equipment for planting green plants on municipal roads

Info

Publication number: CN110326392B
Application number: CN201910734237.5A
Authority: CN
Inventors: 岑森参
Original assignee: Jiangsu Xinfeng Construction Engineering Co Ltd
Current assignee: Jiangsu Xinfeng Construction Engineering Co., Ltd
Priority date: 2019-08-09
Filing date: 2019-08-09
Publication date: 2020-10-16
Anticipated expiration: 2039-08-09
Also published as: CN110326392A

Abstract

The invention discloses a digging device for planting green plants on municipal roads, which comprises two bases which are symmetrical front and back, a transverse table is fixedly connected between the two bases, a lifting device for lifting is arranged on the transverse table, a bulldozing device for filling soil is arranged on the base on the rear side and is driven by the lifting device, a power box positioned on the upper side of the bulldozing device is arranged in the lifting device, a power cavity with a downward opening is arranged in the power box, a soil digging device is arranged in the power cavity, and a soil tamping device positioned outside the end surface of the power cavity is arranged on a screw rod. Can effectively reduce the labor intensity of workers and improve the planting efficiency.

Description

Digging equipment for planting green plants on municipal roads

Technical Field

The invention relates to the technical field of plant planting and pit digging, in particular to pit digging equipment for planting green plants on municipal roads.

Background

The plant planting process generally comprises digging pits, moving the plants into the pits, filling soil, tamping soil and watering, the current pit digging method generally adopts manual pit digging or a pit digging machine to dig the pits, the manual pit digging is usually realized by utilizing tools such as a shovel and the like, the pit digging depth is difficult to guarantee, the plant depth in the pits is insufficient to cause lodging, the pit digging efficiency is low, the current pit digging machine has single function and can only do pit digging work, the subsequent soil filling and tamping work needs to be finished manually, the automation degree of the planting process is low, the labor intensity is high, the planting efficiency is low, and the equipment capable of solving the problems is disclosed.

Disclosure of Invention

The technical problem is as follows: the current earth boring machine has single function, can only carry out earth boring work, needs manual work to complete subsequent earth filling and ramming work, and has the advantages of low automation degree in the planting process, high labor intensity and low planting efficiency.

In order to solve the problems, the digging equipment for planting the green plants on the municipal roads is designed in the embodiment, and comprises two bases which are symmetrical front and back, a transverse table is fixedly connected between the two bases, a lifting device for lifting is arranged on the transverse table, a soil pushing device for filling soil is arranged on the base on the rear side, the soil pushing device is driven by the lifting device, a power box positioned on the upper side of the soil pushing device is arranged in the lifting device, a power cavity with a downward opening is arranged in the power box, a digging device is arranged in the power cavity, the digging device can be connected to a motor shaft which is arranged on the inner wall of the upper side of the power cavity in a rotating mode and extends downwards, a main motor which is connected to the motor shaft in a power mode and is fixedly connected to the inner wall of the upper side of the power cavity, a rotating drum which is fixedly connected to the motor shaft and is positioned on the lower side of the, The soil digging device comprises a spline cavity, a spline wheel and a spiral rod, wherein the spline cavity is arranged in the rotary drum, the opening of the spline cavity is downward, the spline wheel is connected in the spline cavity through a spline, the spiral rod is fixedly connected to the lower end face of the spline wheel and extends downwards to the outside of the end face of the power cavity, the spline wheel and the spiral rod are driven to rotate by the main motor through the motor shaft and the rotary drum, so that the soil digging function is realized, a soil tamping device is arranged on the spiral rod and is positioned outside the end face of the power cavity, and the soil tamping device can be driven to vibrate up and down to realize the soil tamping function.

Wherein, elevating gear including rotate connect in just upwards extend on the horizontal bench side end face ball screw, ball screw goes up power connection have fixedly connected in motor on the horizontal bench side end face, horizontal bench fixedly connected with is located the left fixed plate of motor, fixedly connected with air pump on the fixed plate right side end face, the fixed plate runs through the air pump just can drive the air pump rotates and produces compressed air, air pump rear end face fixedly connected with the communicating connecting pipe of air pump, the connecting pipe rear end is connected with three solenoid valve, threaded connection has and is located on the ball screw the nut of air pump upside.

Preferably, a safety valve is connected to the front end face of the air pump in a communicating manner.

The bulldozing device comprises a cylinder fixedly connected to the rear side of the base on the upper side end face, an air cavity is arranged in the cylinder, a sliding plug is connected in the air cavity in a sliding mode, a push rod extending rightwards to the outside of the end face of the air cavity is fixedly connected to the right side end face of the sliding plug, a push block located outside the end face of the air cavity is fixedly connected to the push rod, a push cylinder is fixedly connected to the front side end face of the push block, excavated soil can be stored in the push cylinder, and two air pipes which are bilaterally symmetrical are communicated and connected between the three-way electromagnetic valve and the air cavity.

Preferably, the screw rod portion is located within the push sleeve.

Wherein, the soil digging device comprises the power box fixedly connected on the right end face of the nut, an auxiliary air pump positioned on the lower side of the main motor is fixedly connected on the inner wall of the rear side of the power cavity, the motor shaft penetrates through the auxiliary air pump and can drive the auxiliary air pump to generate compressed air, a bevel gear positioned between the auxiliary air pump and the rotary drum is fixedly connected on the motor shaft, a cam shaft extending forwards is rotatably connected on the inner wall of the rear side of the power cavity, an auxiliary bevel gear meshed with the bevel gear is fixedly connected on the cam shaft, a cam positioned on the rear side of the auxiliary bevel gear is fixedly connected on the cam shaft, a rotary disc positioned on the lower side of the rotary drum is fixedly connected on the screw rod, an air storage box positioned on the right side of the auxiliary air pump is fixedly connected on the inner wall of the rear side of the power cavity, and a connecting pipe is communicated between the, the valve body is fixedly connected with the inner wall of the rear side of the power cavity and positioned on the lower side of the gas storage box, a gas hole which is communicated up and down is arranged in the valve body, a gas pipe is communicated and connected between the gas hole and the gas storage box, a left side and a right side of the valve body are communicated and communicated with a pair of auxiliary sliding holes communicated with the gas hole, a left side and a right side of the auxiliary sliding holes are connected with a stop rod which extends out of the end surface of the valve body, the left side of the valve body is fixedly connected with a push plate abutted against the cam, a compression spring is connected between the push plate and the valve body, a through hole which is communicated up and down is positioned on the right side of the push plate is arranged on the stop rod, a piston cylinder which is positioned on the lower side of the valve body is fixedly connected with the inner wall of the rear side of the power cavity, a piston cavity is arranged in the piston cylinder, the air release pipe is provided with a sliding hole with an upward opening, the sliding hole is internally and slidably connected with a stopping block capable of stopping the air release pipe, an L-shaped rod is fixedly connected on the end surface of the upper side of the stop block, a rotating shaft extending forwards is rotatably connected on the inner wall of the rear side of the power cavity, the rotating shaft is positioned between the valve body and the piston cylinder and on the right side of the pneumatic tube, a gear meshed with the stop rod is fixedly connected to the rotating shaft, the rotating shaft is fixedly connected with an eccentric wheel positioned at the front side of the gear, the inner wall of the front side of the power cavity is connected with a rectangular frame fixedly connected with the L-shaped rod in a sliding way, the inner wall of the rectangular frame is abutted against the eccentric wheel, a piston is connected in the piston cavity in a sliding way, the piston is connected with a lifting rod which extends downwards outside the end face of the piston cavity in a rotating mode on the inner wall of the lower side of the piston, and a reset spring is connected between the piston and the inner wall of the lower side of the piston cavity.

Preferably, the left end face of the lifting rod is rotatably connected with two pulleys which are symmetrical up and down, and the rotary table is located between the two pulleys and abutted to the pulleys.

Wherein, ramming native device include fixed connection in conical bit on the hob downside terminal surface, the inner chamber that link up about being equipped with in the conical bit, fixedly connected with electro-magnet on the inner wall of inner chamber upside, fixedly connected with downwardly extending's slide bar on the electro-magnet downside terminal surface, sliding connection has the slider on the slide bar, it has the connecting rod of two bilateral symmetry to articulate on the slider front end face, the connecting rod lower extreme articulates there is the bull stick, the inner chamber, left side and right side opening part rotate respectively and are connected with a clamp plate, the clamp plate with the bull stick lower extreme is articulated mutually, just the clamp plate can seal the inner chamber opening.

Preferably, an extension spring is connected between the sliding block and the inner wall of the lower side of the inner cavity.

The invention has the beneficial effects that: the invention adopts the screw rod type lifting pit digging mechanism to dig pits, and the up-and-down vibration device can drive the screw rod type lifting pit digging mechanism to vibrate at the same time, so that the screw rod rotates and moves downwards and simultaneously vibrates up and down in a small range, thereby realizing the rotary vibration pit digging, improving the pit digging efficiency, and meanwhile, the filling device can store the dug soil.

Drawings

For ease of illustration, the invention is described in detail by the following specific examples and figures.

FIG. 1 is a schematic view of the overall structure of a digging device for planting green plants on municipal roads according to the invention;

FIG. 2 is a schematic view of the structure in the direction "A-A" of FIG. 1;

FIG. 3 is a schematic view of the structure in the direction "B-B" of FIG. 1;

FIG. 4 is an enlarged view of the structure at "C" of FIG. 1;

fig. 5 is an enlarged schematic view of the structure at "D" of fig. 1.

Detailed Description

The invention will now be described in detail with reference to fig. 1 to 5, for the sake of convenience of description, the following orientations are now defined: 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.

The invention relates to a digging device for planting green plants on municipal roads, which is mainly applied to planting and digging pits for plants, and the invention is further explained by combining the attached drawings of the invention:

the invention relates to a digging device for planting green plants on municipal roads, which comprises two bases 11 which are symmetrical front and back, wherein a transverse table 13 is fixedly connected between the two bases 11, a lifting device 101 for lifting is arranged on the transverse table 13, a soil pushing device 102 for filling soil is arranged on the base 11 on the rear side, the soil pushing device 102 is driven by the lifting device 101, a power box 18 positioned on the upper side of the soil pushing device 102 is arranged in the lifting device 101, a power cavity 19 with a downward opening is arranged in the power box 18, a soil digging device 103 is arranged in the power cavity 19, the soil digging device 103 can be driven by a motor shaft 21 which is rotatably connected to the inner wall of the upper side of the power cavity 19 and extends downwards, a main motor 20 which is fixedly connected to the motor shaft 21 and is fixedly connected to the inner wall of the upper side of the power cavity 19, a rotary drum 29 which is fixedly connected to the motor shaft 21 and is positioned on, The soil compacting device comprises a spline cavity 30 which is arranged in the rotary drum 29 and has a downward opening, a spline wheel 31 which is in spline connection with the spline cavity 30, and a screw rod 32 which is fixedly connected with the lower side end surface of the spline wheel 31 and extends downwards to the outside of the end surface of the power cavity 19, wherein the spline wheel 31 and the screw rod 32 are driven by the main motor 20 through the motor shaft 21 and the rotary drum 29 to rotate, so that the soil compacting function is realized, a soil compacting device 104 which is positioned outside the end surface of the power cavity 19 is arranged on the screw rod 32, and the soil compacting device 104 can be driven by the soil compacting device 103 to vibrate up and down, so that the soil compacting function is realized.

According to the embodiment, the lifting device 101 is described in detail below, the lifting device 101 includes a ball screw 16 rotatably connected to the upper end surface of the horizontal stage 13 and extending upward, the ball screw 16 is connected to a motor 12 fixedly connected to the upper end surface of the horizontal stage 13, the horizontal stage 13 is connected to a fixing plate 14 positioned at the left side of the motor 12, an air pump 15 is fixedly connected to the right end surface of the fixing plate 14, the fixing plate 14 penetrates through the air pump 15 and can drive the air pump 15 to rotate to generate compressed air, the rear end surface of the air pump 15 is connected to a connecting pipe 35 communicated with the air pump 15, the rear end of the connecting pipe 35 is communicated with a three-way electromagnetic valve 36, the ball screw 16 is connected to a nut 17 positioned at the upper side of the air pump 15 by a thread, and the motor 12 drives the ball screw 16 to rotate, the nut 17 can be driven to move up and down, so that the lifting motion required by soil excavation is realized.

Advantageously, a safety valve 75 is connected to the front end face of the air pump 15.

According to the embodiment, the details of the bulldozer 102 will be described below, the bulldozer 102 includes an air cylinder 38 fixedly connected to the upper end surface of the base 11 on the rear side, an air cavity 39 is provided in the air cylinder 38, a sliding plug 40 is slidably connected to the air cavity 39, a push rod 41 extending rightward beyond the end surface of the air cavity 39 is fixedly connected to the right end surface of the sliding plug 40, a push block 42 located beyond the end surface of the air cavity 39 is fixedly connected to the push rod 41, a push cylinder 34 is fixedly connected to the front end surface of the push block 42, soil excavated in the push cylinder 34, two eudipleural air pipes 37 are connected to the air cavity 39 through a communication connection pipe 35, the three-way electromagnetic valve 36 and the air pipes 37, compressed air generated by the air pump 15 is delivered into the air cavity 39 through the connection pipe 35, the three-way electromagnetic valve 36 and the air pipes 37, so that the sliding, thereby driving the push cylinder 34 to move left and right to push soil into the pit, and realizing the soil filling function.

Advantageously, the screw 32 is partially located within the pusher 34.

According to the embodiment, the soil excavating device 103 is described in detail below, the soil excavating device 103 comprises the power box 18 fixedly connected to the right end face of the nut 17, a sub air pump 22 located below the main motor 20 is fixedly connected to the inner wall of the rear side of the power cavity 19, the motor shaft 21 penetrates through the sub air pump 22 and can drive the sub air pump 22 to generate compressed air, a bevel gear 26 located between the sub air pump 22 and the rotary drum 29 is fixedly connected to the motor shaft 21, a cam shaft 43 extending forwards is rotatably connected to the inner wall of the rear side of the power cavity 19, a sub bevel gear 27 engaged with the bevel gear 26 is fixedly connected to the cam shaft 43, a cam 28 located behind the sub bevel gear 27 is fixedly connected to the cam shaft 43, a rotary disc 33 located on the lower side of the rotary drum 29 is fixedly connected to the screw rod 32, the rear inner wall of the power cavity 19 is fixedly connected with an air storage tank 24 positioned on the right side of the auxiliary air pump 22, the air storage tank 24 is communicated with the auxiliary air pump 22 and is connected with a connecting pipe 23, the rear inner wall of the power cavity 19 is fixedly connected with a valve body 48 positioned on the lower side of the air storage tank 24, an air hole 47 which is communicated up and down is arranged in the valve body 48, an air pipe 25 is communicated and connected between the air hole 47 and the air storage tank 24, an auxiliary sliding hole 74 which is communicated with the air hole 47 and is communicated with the left and right is arranged on the valve body 48, a stop rod 46 which extends to the outer side of the end face of the valve body 48 is slidably connected on the auxiliary sliding hole 74, a push plate 44 which is positioned on the left side of the valve body 48 and is abutted against the cam 28 is fixedly connected on the stop rod 46, a compression spring 45 is connected between the push plate 44 and the valve body 48, fixedly connected with is located on the power chamber 19 rear side inner wall piston cylinder 58 of valve body 48 downside, be equipped with piston chamber 59 in the piston cylinder 58, piston chamber 59 with it has pneumatic tube 64 to communicate with each other between the gas pocket 47, fixedly connected with can with the communicating disappointing pipe 57 in piston chamber 59 on the piston chamber 59 right side end face, be equipped with opening up slide opening 55 on the disappointing pipe 57, sliding connection has the ability to end in slide opening 55 disappointing pipe 57 cut off block 56, fixedly connected with L shape pole 54 on the side end face of cut off block 56, it has forward extension's pivot 51 to rotate on the power chamber 19 rear side inner wall, pivot 51 is located between valve body 48 and the piston cylinder 58 and is located pneumatic tube 64 right side, fixedly connected with on the pivot 51 with cut off the gear 50 that the meshing of pole 46 is connected, fixedly connected with is located in the pivot 51 the eccentric wheel 52 of gear 50 front side, sliding connection has on the power cavity 19 front side inner wall with L shape pole 54 fixed connection's rectangle frame 53, just rectangle frame 53 inner wall with eccentric wheel 52 butt, sliding connection has piston 60 in the piston chamber 59, it is connected with down extension to rotate on the piston 60 downside inner wall the lifter 62 outside the piston chamber 59 end face, piston 60 with be connected with reset spring 61 between the piston chamber 59 downside inner wall, through cam 28 rotates the drive push pedal 44 with stop rod 46 removes about, can realize the defeated gas of pulsed, and compressed air drives piston 60 reciprocates, thereby can realize the hob 32 vibrates from top to bottom.

Advantageously, two pulleys 63 are rotatably connected to the left end face of the lifting rod 62, and the rotary table 33 is located between the two pulleys 63 and abuts against the pulleys 63.

In accordance with an embodiment, the ramming device 104 is described in detail below, the ramming device 104 including a conical drill bit 65 fixedly attached to the lower end surface of the screw shaft 32, an inner cavity 73 which is through from left to right is arranged in the conical drill bit 65, an electromagnet 66 is fixedly connected on the inner wall of the upper side of the inner cavity 73, a slide bar 71 extending downwards is fixedly connected on the lower side end face of the electromagnet 66, a slide block 67 is connected on the slide bar 71 in a sliding way, two bilaterally symmetrical connecting rods 68 are hinged on the end face of the front side of the sliding block 67, the lower ends of the connecting rods 68 are hinged with rotating rods 69, the left opening and the right opening of the inner cavity 73 are respectively and rotatably connected with a pressure plate 70, the pressure plate 70 is hinged with the lower end of the rotating rod 69, the pressure plate 70 can seal the opening of the inner cavity 73, when the electromagnet 66 is de-energized, the slide block 67 moves downwards, so that the pressure plate 70 is closed.

Advantageously, an extension spring 72 is connected between said slider 67 and the inner wall of the lower side of said cavity 73.

The following will explain in detail the use steps of the digging device for planting green plants on municipal roads with reference to fig. 1 to 5:

at the beginning, the nut 17, the piston 60, the rotary disc 33 and the spline wheel 31 are positioned at the upper limit position, the sliding plug 40 is positioned at the center of the air cavity 39, the electromagnet 66 is powered off, the sliding block 67 is positioned at the lower limit position under the action of the elastic force of the extension spring 72, the pressing plate 70 is closed to prevent the inner cavity 73 from being communicated with the outside, the three-way electromagnetic valve 36 prevents the connecting pipe 35 from being communicated with the air pipe 37, the pushing plate 44 is positioned at the left limit position, the through hole 49 is not communicated with the air hole 47, the rectangular frame 53 and the stop block 56 are positioned at the upper limit position, and the.

When the device works, the motor 12 and the main motor 20 are started, the motor 12 drives the ball screw 16 to rotate, the ball screw 16 drives the air pump 15 to work to generate compressed air, the compressed air is exhausted through the safety valve 75, the ball screw 16 drives the nut 17 to move downwards, meanwhile, the main motor 20 drives the motor shaft 21 to rotate, the motor shaft 21 drives the rotary drum 29 to rotate, the rotary drum 29 rotates through the spline connecting belt of the spline cavity 30 and the spline wheel 31 to drive the spiral rod 32 to rotate, so that the downward moving and rotating soil digging functions are realized, meanwhile, the motor shaft 21 drives the auxiliary air pump 22 to work to generate compressed air, the compressed air is stored in the air storage box 24 through the connecting pipe 23, the motor shaft 21 drives the cam 28 to rotate through the meshing connection of the bevel gear 26 and the auxiliary bevel gear 27, the cam 28 is abutted against the push plate 44 and pushes the push plate 44 to move rightwards firstly, The air hole 47, the through hole 49 and the pneumatic tube 64 are conveyed into the piston cavity 59, the stop rod 46 is connected with the moving gear 50 and the eccentric wheel 52 to rotate through meshing, so that the rectangular frame 53 and the stop block 56 move downwards, the stop block 56 stops the air release tube 57, the piston cavity 59 cannot be communicated with the outside through the air release tube 57, the compressed air in the piston cavity 59 pushes the piston 60 and the lifting rod 62 downwards and drives the turntable 33 and the spiral rod 32 to move downwards through the pulley 63, then the cam 28 continues to rotate and drives the push plate 44 to move left under the elastic force of the compression spring 45, the through hole 49 is not communicated with the air hole 47, the rectangular frame 53 and the stop block 56 move upwards, the air release tube 57 is communicated with the piston cavity 59, the air in the piston cavity 59 is discharged to the outside through the air release tube 57, the piston 60 and the lifting rod 62 move upwards under the elastic force of the return spring 61 and drives the spiral rod 32 to move upwards, and the spiral rod 32 vibrates, the rotary vibration soil excavation is realized, the soil excavation efficiency is improved, after the soil excavation is finished, the motor 12 rotates reversely to enable the nut 17 to move upwards and reset, the main motor 20 stops rotating, the motor 12 stops rotating after resetting, after the trees are transplanted into the pit, the motor 12 is started again and drives the nut 17 to move downwards, meanwhile, the three-way electromagnetic valve 36 acts to enable the air pipe 37 on the left side to be communicated with the connecting pipe 35, compressed air generated by the air pump 15 is conveyed into the air cavity 39 through the air pipe 37 on the left side, the sliding plug 40 is pushed to move rightwards firstly, the sliding plug 40 drives the push cylinder 34 to move rightwards through the push rod 41 and the push block 42 to push soil excavated in the left half part back into the pit, then, the three-way electromagnetic valve 36 acts to enable the air pipe 37 on the right side to be communicated with the connecting pipe 35, the sliding plug 40 drives the push cylinder 34 to move leftwards, so that the push cylinder 34, the sliding plug 40 is moved rightwards and reset, then the three-way electromagnetic valve 36 enables the air pipe 37 to be not communicated with the connecting pipe 35, then the electromagnet 66 is electrified and adsorbs the sliding block 67, the sliding block 67 moves upwards along the sliding rod 71, the pressing plate 70 is driven to rotate downwards and open through the connecting rod 68 and the rotating rod 69, when the pressing plate 70 and the lower end face of the conical drill bit 65 are contacted with the ground, the motor 12 stops rotating, the main motor 20 is started to drive the screw rod 32, the pressing plate 70 and the conical drill bit 65 to vibrate up and down, and therefore soil ramming is achieved.

In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.

Claims

1. The utility model provides a town road green plants are planted and are used equipment of digging pit which characterized in that: comprises two bases which are symmetrical front and back; a transverse table is fixedly connected between the two bases, a lifting device for lifting is arranged on the transverse table, a soil pushing device for filling soil is arranged on the base on the rear side, the soil pushing device is driven by the lifting device, a power box positioned on the upper side of the soil pushing device is arranged in the lifting device, a power cavity with a downward opening is arranged in the power box, and a soil digging device is arranged in the power cavity; the excavator device can be connected to the inner wall of the upper side of the power cavity in a rotating manner and extends downwards, a main motor which is connected to the motor shaft in a power manner and is fixedly connected to the inner wall of the upper side of the power cavity, a rotating drum which is fixedly connected to the motor shaft and is positioned on the lower side of the main motor, a spline cavity which is arranged in the rotating drum and has a downward opening, a spline wheel which is connected to the inside of the spline cavity in a spline manner, and a spiral rod which is fixedly connected to the end face of the lower side of the spline wheel and extends downwards to the outside of the end, and the spline wheel and the screw rod are driven to rotate by the main motor through the motor shaft and the rotary drum, the soil ramming device is positioned outside the end face of the power cavity, and the soil digging device can drive the ramming device to vibrate up and down so as to realize the soil ramming function; the lifting device comprises a ball screw which is rotationally connected to the upper side end face of the transverse table and extends upwards, the ball screw is in power connection with a motor fixedly connected to the upper side end face of the transverse table, the transverse table is fixedly connected with a fixing plate positioned on the left side of the motor, an air pump is fixedly connected to the right side end face of the fixing plate, the fixing plate penetrates through the air pump and can drive the air pump to rotate to generate compressed air, a connecting pipe communicated with the air pump is fixedly connected to the rear side end face of the air pump, the rear end of the connecting pipe is communicated with a three-way electromagnetic valve, and a nut positioned on the upper side of the air pump is in threaded connection; the end face of the front side of the air pump is communicated and connected with a safety valve; the bulldozing device comprises an air cylinder fixedly connected to the upper side end face of the base at the rear side, an air cavity is arranged in the air cylinder, a sliding plug is connected in the air cavity in a sliding mode, a push rod extending rightwards to the outside of the end face of the air cavity is fixedly connected to the right side end face of the sliding plug, a push block located outside the end face of the air cavity is fixedly connected to the push rod, a push barrel is fixedly connected to the front side end face of the push block, excavated soil can be stored in the push barrel, and two eudipleural air pipes are communicated and connected between the three-way electromagnetic valve and the air cavity; the spiral rod part is positioned in the push cylinder; the soil digging device comprises a power box fixedly connected to the end face of the right side of the nut, an auxiliary air pump positioned on the lower side of the main motor is fixedly connected to the inner wall of the rear side of the power cavity, a motor shaft penetrates through the auxiliary air pump and can drive the auxiliary air pump to generate compressed air, a bevel gear positioned between the auxiliary air pump and the rotary drum is fixedly connected to the motor shaft, a cam shaft extending forwards is rotatably connected to the inner wall of the rear side of the power cavity, an auxiliary bevel gear meshed with the bevel gear is fixedly connected to the cam shaft, a cam positioned on the rear side of the auxiliary bevel gear is fixedly connected to the cam shaft, a rotary disc positioned on the lower side of the rotary drum is fixedly connected to the screw rod, an air storage box positioned on the right side of the auxiliary air pump is fixedly connected to the inner wall of the rear side of the power cavity, and a connecting pipe is, the valve body is fixedly connected to the inner wall of the rear side of the power cavity and located on the lower side of the gas storage box, a gas hole which is communicated up and down is formed in the valve body, a gas pipe is communicated and connected between the gas hole and the gas storage box, an auxiliary sliding hole which is communicated left and right and communicated with the gas hole is formed in the valve body, a stop rod which extends left and right to the outside of the end face of the valve body is connected onto the auxiliary sliding hole in a sliding mode, a push plate which is located on the left side of the valve body and abutted against the cam is fixedly connected onto the stop rod, a compression spring is connected between the push plate and the valve body, and a through hole which is located; fixedly connected with is located on the power chamber rear side inner wall the piston cylinder of valve body downside, be equipped with the piston chamber in the piston cylinder, the piston chamber with communicate with each other between the gas pocket and be connected with pneumatic tube, fixedly connected with on the piston chamber right side end face can with the communicating disappointing pipe in piston chamber, be equipped with opening smooth hole up on the disappointing pipe, sliding connection has the ability to end disappointing pipe the stop block, fixedly connected with L shape pole on the stop block top end face, rotationally connected with has the pivot that extends forward on the power chamber rear side inner wall, the pivot is located between valve body and the piston cylinder and is located the pneumatic tube right side, fixedly connected with in the pivot with the gear of connecting with the stop rod meshing, fixedly connected with is located in the eccentric wheel of gear front side in the pivot, sliding connection has the rectangle frame with L shape pole fixed connection on the power chamber front side inner wall, the inner wall of the rectangular frame is abutted against the eccentric wheel, a piston is connected in the piston cavity in a sliding manner, a lifting rod which extends downwards to the outer side of the end face of the piston cavity is rotatably connected to the inner wall of the lower side of the piston, and a reset spring is connected between the piston and the inner wall of the lower side of the piston cavity; two pulleys which are symmetrical up and down are rotatably connected to the left end face of the lifting rod, and the turntable is located between the two pulleys and is abutted to the pulleys; the soil ramming device comprises a conical drill bit fixedly connected to the lower side end face of the spiral rod, a left-right through inner cavity is formed in the conical drill bit, an electromagnet is fixedly connected to the inner wall of the upper side of the inner cavity, a downward extending sliding rod is fixedly connected to the lower side end face of the electromagnet, a sliding block is connected to the sliding rod in a sliding mode, two bilaterally symmetrical connecting rods are hinged to the front end face of the sliding block, a rotating rod is hinged to the lower end of each connecting rod, the left opening and the right opening of the inner cavity are respectively and rotatably connected with a pressing plate, the pressing plates are hinged to the lower ends of the rotating rods; and an extension spring is connected between the sliding block and the inner wall of the lower side of the inner cavity.