CN114009180A

CN114009180A - Automatic change agricultural planting machine of fixed point digging

Info

Publication number: CN114009180A
Application number: CN202111536212.8A
Authority: CN
Inventors: 刘祥华
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-02-08
Anticipated expiration: 2041-12-16
Also published as: CN114009180B

Abstract

The invention discloses an automatic fixed-point pit digging agricultural planting machine in the field of agricultural planting, which comprises an installation mechanism, a feeding mechanism and a tunneling mechanism, wherein the tunneling mechanism comprises a tunneling outer cylinder, a fixed plate is fixedly arranged on the outer wall of the bottom end of the tunneling outer cylinder, a plurality of groups of blades are fixedly arranged on the outer wall of the fixed plate, external threads are uniformly arranged on the outer wall of the upper part of the tunneling outer cylinder, a ball screw platform is spirally matched with the outer wall of the tunneling outer cylinder, conical teeth are uniformly arranged on the outer wall of the bottom of the ball screw platform, a tunneling inner cylinder is arranged in an inner cavity of the tunneling outer cylinder, the tunneling inner cylinder is rotationally matched with the tunneling outer cylinder, holes are respectively formed in the bottoms of the tunneling inner cylinder and the tunneling outer cylinder, a guide cylinder is fixedly arranged on the outer wall of the top of the tunneling inner cylinder, a reverse conical limiting cylinder is fixedly arranged on the outer wall of the guide cylinder, and a fixed feeding cylinder is arranged on the top of the tunneling inner cylinder, so that seeds and fertilizers are automatically buried after pit digging is realized, and the cooperation is coherent, the linkage planting of seeds and fertilizers after pit digging is realized, and the installation is convenient.

Description

Automatic change agricultural planting machine of fixed point digging

Technical Field

The invention relates to the technical field of agricultural planting, in particular to an agricultural planting machine capable of automatically digging pits at fixed points.

Background

The agriculture refers to an industry for obtaining products by artificial cultivation by utilizing the growth and development rules of plants, the agriculture in a broad sense comprises five kinds of plants, forestry, animal husbandry, fishery and side-products, the agricultural distribution range is wide, the agriculture can be almost applied to the agriculture except for two poles and deserts on the earth, and along with the development of modern science and technology, the agriculture tends to be commercialized, capitalized, scaled, specialized, regionalized, industrialized and the like, so that the land output rate, the agricultural labor productivity, the commodity rate of agricultural products and the international market competitiveness are greatly improved.

When farming usually needs earlier to dig the hole, carries out the landfill to the hole after the seeding again, generally adopts mechanical equipment to dig the hole at present in order to improve planting efficiency, can be after digging the hole still need the manual work to bury seed and fertilizer to the hole after the seeding, and planting efficiency is low.

Based on the above, the invention designs an agricultural planting machine with an automatic fixed-point pit digging function, so as to solve the problems.

Disclosure of Invention

The invention aims to provide an agricultural planting machine capable of automatically digging pits at fixed points, and aims to solve the problems that mechanical equipment is generally adopted for digging pits at present, seeds and fertilizers can be buried in the pits after the pits are dug or the pits after the seeds are sown manually, and the planting efficiency is low in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: an automatic fixed-point pit digging agricultural planting machine comprises an installation mechanism, a feeding mechanism and a digging mechanism, wherein the digging mechanism comprises a digging outer barrel, a fixing plate is fixedly installed on the outer wall of the bottom end of the digging outer barrel, a plurality of groups of blades are fixedly installed on the outer wall of the fixing plate, external threads are uniformly arranged on the outer wall of the upper portion of the digging outer barrel, a ball screw platform is spirally matched with the outer wall of the digging outer barrel, conical teeth are uniformly arranged on the outer wall of the bottom of the ball screw platform, a digging inner barrel is arranged in an inner cavity of the digging outer barrel, the digging inner barrel is in running fit with the digging outer barrel, holes are formed in the bottoms of the digging inner barrel and the digging outer barrel, a guide barrel is fixedly installed on the outer wall of the guide barrel, a reversed conical limiting barrel is fixedly installed on the outer wall of the guide barrel, and a fixed feeding barrel is arranged at the top of the digging inner barrel, the bottom of the fixed feeding cylinder is in sliding fit with the tunneling inner cylinder, the top of the fixed feeding cylinder is fixedly provided with a feeding seat, and the feeding seat is matched with the tunneling inner cylinder.

Preferably, the feeding mechanism comprises a feeding box and a propelling mechanism, the feeding box comprises a shell and a top seat, a first motor is fixedly installed at the bottom of the shell, a driving shaft is fixedly installed at the output end of the first motor and penetrates through the bottom of the shell, driving blades are uniformly installed on the outer wall of the bottom end of the driving shaft, the top of the driving shaft is arranged to be conical, an inverted cone-shaped feeding hopper is arranged at the top of the top seat, the propelling mechanism comprises a feeding fixed plate, baffle protecting edges are fixedly installed on four walls of the tail end of the feeding fixed plate, a propelling plate is in sliding fit with the top of the feeding fixed plate, the feeding mechanism further comprises a matching plate, transverse grooves are formed in two sides of the matching plate, springs and limiting shafts are installed in inner cavities of the transverse grooves, the limiting shafts are fixedly connected with the installation mechanism, and the springs are located at one end, far away from the guide cylinder, of the limiting shafts, the one end movable mounting that is close to the guide cylinder of cooperation board has a set of leading wheel, the leading wheel closely laminates with the guide cylinder, the outer wall of cooperation board fixed mounting has two sets of connecting rods respectively, the other end of connecting rod respectively with the lateral wall fixed connection who impels the board.

Preferably, the installation mechanism includes the installation riser, the bottom fixed mounting of installation riser has the second motor, the output fixed mounting of second motor has drive bevel gear, drive bevel gear and conical tooth meshing, the bottom outer wall fixed mounting of installation riser has the flat board, dull and stereotyped other end fixed mounting has the disc, disc inner chamber and ball screw platform outer wall normal running fit.

Preferably, installation mechanism is still including pressing from both sides dress mechanism, it includes sliding block, solid fixed splint, splint spring, fixed knob and fixed orifices to press from both sides dress mechanism, the inner chamber and the installation riser sliding fit of sliding block, a plurality of groups fixed orifices have been seted up respectively to the both sides of installation riser, the both sides lateral wall of sliding plate is screw-thread fit respectively has fixed knob, the upper and lower both sides of sliding plate fixed mounting respectively has solid fixed splint, gu fixed splint's central part normal running fit has the staff, gu fixed mounting has splint respectively at the both ends of staff, the one end of splint is provided with the antiskid tooth, the other end fixed mounting of splint has splint to press the board, splint press to install the splint spring between board and the sliding block.

Preferably, the outer wall of the tunneling inner cylinder is provided with a ring groove, the inner cavity of the tunneling outer cylinder is fixedly provided with a ring plate, and the ring plate is located in the inner cavity of the ring groove.

Preferably, the outer wall of the feeding box is fixedly provided with a long discharging rod, the bottom of the other end of the long discharging rod is provided with an outlet, and the outlet is positioned right above the left side of the fixing plate.

Preferably, the left side of the pushing plate is provided with a slope with an inclination angle of 30 degrees, and the right side of the pushing plate is provided with a vertical surface.

Preferably, the middle part of installation montant is provided with the hollow core slab of annular, the one end and the hollow core slab sliding fit of annular of cooperation board, the both sides of the hollow core slab of annular are fixed mounting respectively has spacing axle installation curb plate, the outer wall and the spacing axle fixed connection of spacing axle installation curb plate.

Compared with the prior art, the invention has the beneficial effects that: the invention puts seeds or fertilizer into the top of the footstock, drives the driving blade of the inner cavity of the shell to rotate by controlling the rotating speed of a first motor, discharges the seeds or fertilizer into the long discharging rod by the rotating effect of the driving blade, sequentially drops into the top of the fixed plate through the outlet, is positioned at the left side of the propelling plate, drives the driving bevel gear to rotate by a second motor, drives the ball screw platform to rotate by the meshing of the driving bevel gear and the bevel gear, drives the ball screw platform to rotate in situ by the limiting of the disc, drives the tunneling outer cylinder to move downwards spirally by the matching of the ball screw platform and the tunneling outer cylinder, is convenient to install blades on the outer wall at the bottom end of the tunneling outer cylinder by the arrangement of the fixed plate, enables the blades to rotate at high speed by the downward movement of the tunneling outer cylinder, carries out pit digging treatment on soil, and carries out the spiral movement of the tunneling outer cylinder, the tunneling inner cylinder is driven to move, the tunneling inner cylinder is driven to vertically move downwards due to the sliding limit between the fixed feeding cylinder and the tunneling inner cylinder, the guide cylinder is fixedly connected with the tunneling inner cylinder and drives the inverted cone limiting cylinder to vertically move downwards, the inverted cone limiting cylinder extrudes the guide wheel and drives the connecting rod and the propelling plate to laterally move, seeds or fertilizers are pushed to the right side of the propelling plate through the arrangement of the left inclined plane of the propelling plate, when the tunneling outer cylinder moves to the bottommost part, the blade stops rotating at the moment, gaps flow out from the bottoms of the tunneling inner cylinder and the tunneling outer cylinder, the connecting rod reaches the bottommost end, the guide wheel pushes the outer wall of the guide wheel under the action of the spring, the propelling plate is driven to push the seeds or the fertilizers on the right side of the propelling plate into the feeding seat and fall into the gaps at the bottoms of the tunneling inner cylinder and the tunneling outer cylinder to complete pit digging and planting work, the clamping plate is pressed to tilt up the clamping plate, the device is clamped on a traveling crane plate with a proper height through two groups of fixed clamping plates, the clamping plates press the traveling crane through loosening the clamping plates, the clamping plates clamp the traveling crane under the action of the clamping plate springs, and the height of the device is adjusted through the matching of the fixed screw buttons and the fixed holes.

Drawings

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

FIG. 1 is a schematic view of a main viewing angle structure according to the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic view of a partial structure according to the present invention;

FIG. 4 is a schematic side view structure of the present invention;

FIG. 5 is a schematic view of the internal cavity of the housing of the present invention;

FIG. 6 is a schematic view of the inner cavity of the top base according to the present invention;

FIG. 7 is a schematic cross-sectional view of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-mounting a riser, 2-a plate, 3-a disc, 4-a ball screw platform, 5-a conical tooth, 6-a heading outer cylinder, 7-a fixed plate, 8-a blade, 9-a drive bevel gear, 10-a second motor, 11-a fixed feed cylinder, 12-a feed holder, 13-a top holder, 14-a housing, 15-a thrust plate, 16-a guard edge of a baffle, 17-a fixed plate, 18-a limit shaft, 19-a sliding block, 20-an annular hollow plate, 21-a fixed screw button, 22-a clamp plate, 23-a small shaft, 24-a clamp plate, 25-a fixed clamp plate, 26-a fixed hole, 27-a connecting rod, 28-a guide wheel, 29-a mating plate, 30-a transverse groove, 31-a clamp spring, 32-driving blades, 33-long discharging rods, 34-outlets, 35-driving shafts, 36-guide cylinders, 37-inverted cone-shaped limiting cylinders, 38-tunneling inner cylinders, 39-ring plates and 40-first motor.

Detailed Description

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

Referring to fig. 1-7, the present invention provides a technical solution: an automatic fixed-point pit digging agricultural planting machine comprises a mounting mechanism, a feeding mechanism and a digging mechanism, wherein the digging mechanism comprises a digging outer cylinder 6, a fixing plate 7 is fixedly mounted on the outer wall of the bottom end of the digging outer cylinder 6, a plurality of groups of blades 8 are fixedly mounted on the outer wall of the fixing plate 7, external threads are uniformly arranged on the outer wall of the upper part of the digging outer cylinder 6, a ball screw platform 4 is spirally matched on the outer wall of the digging outer cylinder 6, conical teeth 5 are uniformly arranged on the outer wall of the bottom of the ball screw platform 4, a digging inner cylinder 38 is arranged in an inner cavity of the digging outer cylinder 6, the digging inner cylinder 38 is rotationally matched with the digging outer cylinder 6, holes are formed in the bottoms of the digging inner cylinder 38 and the digging outer cylinder 6, a guide cylinder 36 is fixedly mounted on the outer wall of the top of the digging inner cylinder 38, a reverse taper limiting cylinder 37 is fixedly mounted on the outer wall of the guide cylinder 36, and a fixed feeding cylinder 11 is arranged on the top of the digging inner cylinder 38, the bottom of the fixed feeding cylinder 11 is in sliding fit with the tunneling inner cylinder 38, the top of the fixed feeding cylinder 11 is fixedly provided with a feeding seat 12, and the feeding seat 12 is matched with the tunneling inner cylinder 38.

Wherein, the feeding mechanism comprises a feeding box and a propelling mechanism, the feeding box comprises a shell 14 and a top seat 13, a first motor 40 is fixedly arranged at the bottom of the shell 14, a driving shaft 35 is fixedly arranged at the output end of the first motor 40 and penetrates through the bottom of the shell 14, driving blades 32 are uniformly arranged on the outer wall of the bottom end of the driving shaft 35, the top of the driving shaft 35 is arranged to be conical, the top of the top seat 13 is arranged to be an inverted conical feeding hopper, the propelling mechanism comprises a feeding fixing plate 17, baffle protecting edges 16 are fixedly arranged on four walls of the tail end of the feeding fixing plate 17, a propelling plate 15 is in sliding fit with the top of the feeding fixing plate 17, the feeding mechanism further comprises a matching plate 29, transverse grooves 30 are formed in two sides of the matching plate 29, springs and limiting shafts 18 are arranged in inner cavities of the transverse grooves 30, the limiting shafts 18 are fixedly connected with an installation mechanism, the springs are positioned at one end of the limiting shafts 18 far away from a guide cylinder 36, and a group of guide wheels 28 are movably arranged at one end of the matching plate 29 close to the guide cylinder 36, the guide wheel 28 is tightly attached to the guide cylinder 36, two groups of connecting rods 27 are fixedly mounted on the outer wall of the matching plate 29 respectively, and the other ends of the connecting rods 27 are fixedly connected with the side wall of the pushing plate 15 respectively;

the mounting mechanism comprises a mounting vertical plate 1, a second motor 10 is fixedly mounted at the bottom of the mounting vertical plate 1, a driving bevel gear 9 is fixedly mounted at the output end of the second motor 10, the driving bevel gear 9 is meshed with a bevel gear 5, a flat plate 2 is fixedly mounted on the outer wall of the bottom of the mounting vertical plate 1, a disc 3 is fixedly mounted at the other end of the flat plate 2, and the inner cavity of the disc 3 is in rotating fit with the outer wall of a ball screw platform 4;

the mounting mechanism further comprises a clamping mechanism, the clamping mechanism comprises a sliding block 19, a fixed clamping plate 25, a clamping plate 24, a clamping plate spring 31, a fixed screw button 21 and a fixed hole 26, an inner cavity of the sliding block 19 is in sliding fit with the mounting vertical plate 1, a plurality of groups of fixed holes 26 are respectively formed in two sides of the mounting vertical plate 1, the fixed screw buttons 21 are respectively in threaded fit with side walls on two sides of the sliding plate 19, the fixed clamping plate 25 is respectively fixedly mounted on the upper side and the lower side of the sliding plate 19, a small shaft 23 is rotatably matched with the central part of the fixed clamping plate 25, the clamping plate 25 is respectively fixedly mounted at two ends of the small shaft 23, an anti-skidding tooth is arranged at one end of the clamping plate 25, a clamping plate pressing plate 22 is fixedly mounted at the other end of the clamping plate 25, and the clamping plate spring 31 is mounted between the clamping plate pressing plate 22 and the sliding block 19;

preferably, the annular groove has been seted up to the outer wall of tunnelling inner tube 38, the inner chamber fixed mounting of tunnelling outer tube 6 has crown plate 39, crown plate 39 is located the annular groove inner chamber, the outer wall fixed mounting of pay-off case has ejection of compact stock 33, export 34 has been seted up to the bottom of the other end of ejection of compact stock 33, export 34 is located fixed plate 7 left directly over, the left side of propulsion plate 15 sets up to the inclined plane that the inclination is 30, the right side of propulsion plate 15 sets up to the vertical, the middle part of installation montant 29 is provided with annular hollow plate 20, the one end and the annular hollow plate 20 sliding fit of cooperation board 29, the both sides of annular hollow plate 20 fixed mounting respectively have spacing axle installation curb plate, the outer wall and the spacing axle 18 fixed connection of spacing axle installation curb plate.

One specific application of this embodiment is: the invention puts seeds or fertilizer into the top of the top seat 13, drives the driving blade 32 in the inner cavity of the shell 14 to rotate by controlling the rotating speed of the first motor 40, discharges the seeds or fertilizer into the long discharging rod 33 by the rotating effect of the driving blade 32, continuously drops into the top of the fixed plate 17 through the outlet 34, is positioned at the left side of the propelling plate 15, drives the driving bevel gear 9 to rotate by the second motor 10, drives the ball screw platform 4 to rotate by the meshing of the driving bevel gear 9 and the bevel gear 5, enables the ball screw platform 4 to rotate in situ by the limiting of the disc 3, drives the tunneling outer cylinder 6 to move downwards spirally by the matching of the ball screw platform 4 and the tunneling outer cylinder 6, is convenient to install the blade 8 on the outer wall at the bottom end of the tunneling outer cylinder 6 by the arrangement of the fixed plate 7, enables the blade 8 to rotate at high speed by the downward movement of the spiral of the tunneling outer cylinder 6, the soil is processed by digging pit, the digging inner cylinder 38 is driven to move by the spiral movement of the digging outer cylinder 6, because the sliding limit between the fixed feeding cylinder 11 and the digging inner cylinder 38 causes the digging inner cylinder 38 to move vertically and downwards, the digging inner cylinder 38 is fixedly connected with the digging inner cylinder 38 through the guide cylinder 36, the reverse taper limit cylinder 37 is driven to move vertically and downwards, the reverse taper limit cylinder 37 extrudes the guide wheel 28 to drive the connecting rod 27 and the propelling plate 15 to move towards the side, the seeds or fertilizer are pushed to the right side of the propelling plate 15 through the arrangement of the left inclined surface of the propelling plate 15, when the digging outer cylinder 6 moves to the bottommost part, the blade 8 stops rotating at the moment, the bottoms of the digging inner cylinder 38 and the digging outer cylinder 6 flow out of a gap, the connecting rod 27 reaches the bottommost end, the guide wheel 28 pushes the outer wall of the guide wheel 36 under the action force of the spring to drive the propelling plate 15 to push the seeds or fertilizer on the right side of the propelling plate 15 into the feeding seat 12, the device falls into a gap between the bottom of the tunneling inner cylinder 38 and the bottom of the tunneling outer cylinder 6 to complete pit digging and planting, the clamping plates 24 are tilted by pressing the clamping plate pressing plate 22, the device is clamped on a traveling crane plate with a proper height through two groups of fixed clamping plates 25, the clamping plate pressing plate 22 is loosened, the clamping plates 24 clamp the traveling crane under the action of the clamping plate spring 31, the height of the device is adjusted through the matching of the fixed screw buttons 21 and the fixed holes 26, and the adjustment of the pit digging depth is realized.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides an automatic change agricultural planting machine of fixed point digging pit which characterized in that: the tunneling machine comprises an installation mechanism, a feeding mechanism and a tunneling mechanism, wherein the tunneling mechanism comprises a tunneling outer barrel (6), a fixing plate (7) is fixedly installed on the outer wall of the bottom end of the tunneling outer barrel (6), a plurality of groups of blades (8) are fixedly installed on the outer wall of the fixing plate (7), external threads are uniformly arranged on the outer wall of the upper portion of the tunneling outer barrel (6), a ball screw platform (4) is spirally matched on the outer wall of the tunneling outer barrel (6), conical teeth (5) are uniformly arranged on the outer wall of the bottom of the ball screw platform (4), a tunneling inner barrel (38) is arranged in an inner cavity of the tunneling outer barrel (6), the tunneling inner barrel (38) is rotatably matched with the tunneling outer barrel (6), holes are formed in the bottoms of the tunneling inner barrel (38) and the tunneling outer barrel (6), and a guide barrel (36) is fixedly installed on the outer wall of the top of the tunneling inner barrel (38), the outer wall fixed mounting of guide cylinder (36) has spacing section of thick bamboo of back taper (37), the top of tunnelling inner tube (38) is provided with fixed feed cylinder (11), the bottom and the tunnelling inner tube (38) sliding fit of fixed feed cylinder (11), the top fixed mounting of fixed feed cylinder (11) has feeding seat (12), feeding seat (12) and tunnelling inner tube (38) are mutually supported.

2. An automated fixed point pit planing machine as claimed in claim 1, wherein: the feeding mechanism comprises a feeding box and a propelling mechanism, the feeding box comprises a shell (14) and a top seat (13), a motor (40) is fixedly mounted at the bottom of the shell (14), a driving shaft (35) is fixedly mounted at the bottom of the output end of the motor (40) penetrating through the shell (14), driving blades (32) are uniformly mounted on the outer wall of the bottom end of the driving shaft (35), the top of the driving shaft (35) is set to be conical, an inverted conical feeding hopper is arranged at the top of the top seat (13), the propelling mechanism comprises a feeding fixing plate (17), baffle protecting edges (16) are fixedly mounted on four walls of the tail end of the feeding fixing plate (17), a propelling plate (15) is slidably matched at the top of the feeding fixing plate (17), the feeding mechanism further comprises a matching plate (29), and transverse grooves (30) are formed in two sides of the matching plate (29), spring and spacing axle (18) are installed to cross slot (30) inner chamber, spacing axle (18) and installation mechanism fixed connection, the spring is located the one end that guide cylinder (36) were kept away from to spacing axle (18), the one end movable mounting that is close to guide cylinder (36) of cooperation board (29) has a set of leading wheel (28), leading wheel (28) closely laminate with guide cylinder (36), the outer wall of cooperation board (29) is fixed mounting respectively has two sets of connecting rods (27), the other end of connecting rod (27) respectively with the lateral wall fixed connection of propulsion plate (15).

3. An automated fixed point pit planing machine as claimed in claim 1, wherein: the installation mechanism is including installation riser (1), the bottom fixed mounting of installation riser (1) has second motor (10), the output fixed mounting of second motor (10) has drive bevel gear (9), drive bevel gear (9) and toper tooth (5) meshing, the bottom outer wall fixed mounting of installation riser (1) has flat board (2), the other end fixed mounting of flat board (2) has disc (3), disc (3) inner chamber and ball screw platform (4) outer wall normal running fit.

4. An automated fixed point pit planing machine as claimed in claim 3, wherein: the mounting mechanism further comprises a clamping mechanism, the clamping mechanism comprises a sliding block (19), a fixed clamping plate (25), a clamping plate (24), a clamping plate spring (31), a fixed screw button (21) and fixed holes (26), an inner cavity of the sliding block (19) is in sliding fit with the mounting vertical plate (1), a plurality of groups of fixed holes (26) are respectively formed in two sides of the mounting vertical plate (1), the side walls of two sides of the sliding plate (19) are respectively in threaded fit with the fixed screw button (21), the upper side and the lower side of the sliding plate (19) are respectively and fixedly provided with the fixed clamping plate (25), a small shaft (23) is rotatably matched with the central part of the fixed clamping plate (25), the clamping plate (25) is respectively and fixedly arranged at two ends of the small shaft (23), an anti-skid tooth is arranged at one end of the clamping plate (25), and a clamping plate pressing plate (22) is fixedly arranged at the other end of the clamping plate (25), and a clamping plate spring (31) is arranged between the clamping plate pressing plate (22) and the sliding block (19).

5. An automated fixed point pit planing machine as claimed in claim 1, wherein: the outer wall of the tunneling inner barrel (38) is provided with a ring groove, a ring plate (39) is fixedly mounted in the inner cavity of the tunneling outer barrel (6), and the ring plate (39) is located in the ring groove inner cavity.

6. An automated fixed point pit planing machine as claimed in claim 2, wherein: the outer wall of the feeding box is fixedly provided with a long discharging rod (33), the bottom of the other end of the long discharging rod (33) is provided with an outlet (34), and the outlet (34) is positioned right above the left side of the fixing plate (7).

7. An automated fixed point pit planing machine as claimed in claim 2, wherein: the left side of the pushing plate (15) is provided with an inclined plane with an inclination angle of 30 degrees, and the right side of the pushing plate (15) is provided with a vertical plane.

8. An automated fixed point pit planing machine as claimed in claim 3, wherein: the middle part of installation montant (29) is provided with annular hollow slab (20), the one end and the annular hollow slab (20) sliding fit of cooperation board (29), the both sides of annular hollow slab (20) are fixed mounting respectively has spacing axle installation curb plate, the outer wall and spacing axle (18) fixed connection of spacing axle installation curb plate.