CN218649214U

CN218649214U - Spiral sleeve cutter tool for planting and digging pit

Info

Publication number: CN218649214U
Application number: CN202222727658.5U
Authority: CN
Inventors: 马金磊; 江帆; 孟娜娜; 李世波; 魏鑫; 陈涛; 姚君
Original assignee: China University of Mining and Technology CUMT
Current assignee: China University of Mining and Technology CUMT
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2023-03-21
Anticipated expiration: 2032-10-17

Abstract

The utility model discloses a spiral sleeve cutter tool for digging pit for planting trees, which comprises a supporting chassis and a supporting column arranged on the supporting chassis, wherein the supporting column is hinged with one end of a supporting cantilever, the other end of the supporting cantilever is hinged with a motor supporting rod, and the lower end of the motor supporting rod is suspended with a driving mechanism and a spiral cutter in transmission connection with the driving mechanism; the middle part of the supporting cantilever is hinged with the supporting chassis through a cantilever driving cylinder; the spiral cutting tool is characterized in that a lifting driving cylinder is arranged on the supporting base plate, the top end of a driving rod of the lifting driving cylinder is hinged with a hanging rod, the other end of the hanging rod is connected with a sleeve, and the sleeve is sleeved on the periphery of the spiral cutting tool. The utility model has high automation degree, the spiral cutter and the sleeve are matched to efficiently clear soil, the soil around the tree pit can be prevented from sinking, the digging efficiency is high, and the tree planting digging requirement in various regions is met; the tree pit is stable in forming and good in consistency.

Description

Spiral sleeve cutter tool for planting and digging pit

Technical Field

The utility model relates to a plant the equipment of digging a pit, especially relate to a spiral sleeve cutter frock for planting the digging a pit.

Background

A plurality of defects of the traditional manual pit digging and tree planting mode exist, especially in large-scale tree planting activities, the time and the labor consumption are caused by adopting manual pit digging, the tree planting efficiency is low, and more manpower resources are needed. With the development of mechanization, a plurality of full-automatic and semi-automatic mechanical products for replacing manual tree planting and pit digging are also appeared in the field of tree planting in succession.

Chinese patent CN105453757A discloses a scissor type tree planting shovel which is used for placing saplings by opening a pot hole in a soil layer after the tree planting shovel is inserted into the soil layer, although the device improves the tree planting efficiency to a certain extent, the device is time-consuming and labor-consuming. Chinese patent CN203087120U discloses a "novel tree planting tool", digging pit and planting tree through a driving motor driven soil digging cylinder, the deficiency of its existence is: (1) The mechanization degree is low, and the digging work still depends on the physical strength and the technology of personnel; (2) The depth of the pit digging mechanism entering the ground cannot be determined, the size difference of each pit digging is large, and the consistency is poor; (3) the soil cutting efficiency is not high due to the limited structure of the soil cutting tool; and (4) limited in some tree planting areas, and poor in adaptability.

SUMMERY OF THE UTILITY MODEL

The purpose of the invention is as follows: the utility model aims at providing a mechanized degree is high, use convenient and work efficient and plant trees spiral sleeve cutter frock of digging pit, improves the uniformity and the efficiency of digging pit of operation of digging pit.

The technical scheme is as follows: the utility model relates to a spiral sleeve cutter tool for planting trees and digging pit, which comprises a supporting chassis and a supporting column arranged on the supporting chassis, wherein the supporting column is hinged with one end of a supporting cantilever, the other end of the supporting cantilever is hinged with a motor supporting rod, and the lower end of the motor supporting rod is suspended with a driving mechanism and a spiral cutter in transmission connection with the driving mechanism; the middle part of the supporting cantilever is hinged with the supporting chassis through a cantilever driving cylinder; the spiral cutting tool is characterized in that a lifting driving cylinder is arranged on the supporting base plate, the top end of a driving rod of the lifting driving cylinder is hinged with a hanging rod, the other end of the hanging rod is connected with a sleeve, and the sleeve is sleeved on the periphery of the spiral cutting tool.

Preferably, the spiral cutter includes the transmission shaft and along the helical blade of transmission shaft circumference setting, the transmission shaft bottom is equipped with the stepped shaft, stepped shaft bottom threaded connection has the drill bit.

Preferably, the helical blade has a helix angle of 15 ° to 22 ° along the axial direction of the drive shaft.

Preferably, the thickness of the helical blade is gradually increased from the outside to the inside in the radial direction.

Preferably, the inner diameter R of the sleeve is not less than the outer diameter R of the helical blade, and the sleeve moves up and down along the helical cutter.

Preferably, the length of the sleeve is 1/2 of the axial length of the helical blade.

Preferably, the driving mechanism comprises a driving motor, a driving wheel arranged at the shaft end of the driving motor and a driving wheel in transmission connection with the driving wheel; the driving wheel and the transmission wheel are in a belt wheel structure or a chain wheel structure or a worm and gear structure.

Preferably, the lifting drive cylinder and boom comprise two sets symmetrically arranged along the support boom.

Preferably, the cantilever driving cylinder and the lifting driving cylinder are one of a driving electric cylinder, a driving air cylinder and a hydraulic oil cylinder.

Has the advantages that: compared with the prior art, the utility model has the advantages of as follows: 1. the spiral cutter is matched with the sleeve, so that soil removal can be efficiently realized, soil around the tree pit can be prevented from collapsing, and the excavating efficiency is high; 2. the rotary sleeve cutter structure is adopted, so that the requirements of tree planting and pit digging in various regions are met; 3. the tree pit is stable in forming and good in consistency.

Drawings

FIG. 1 is a schematic view of a spiral sleeve cutter of the present invention;

FIG. 2 is a schematic view of the drive mechanism of FIG. 1;

fig. 3 is a schematic view of the spiral cutter in fig. 1.

Reference numerals are as follows:

1. a drive mechanism; 2. a helical cutter; 201. a drive shaft; 202. a helical blade; 203. a drill bit; 204. a stepped shaft; 3. a sleeve; 4. a motor support rod; 5. a support boom; 6. a support column; 7. a cantilever drive cylinder; 8. a boom; 9. a lift drive cylinder; 10. a support chassis; 11. a drive motor; 12. a drive wheel; 13. a driving wheel; 14. a first hinge portion; 15. a second hinge portion; 16. a third hinge; 17. a fourth hinge; 18. a fifth hinge; 19. a drive rod; 20. a hinge pivot.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 3 of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.

Combine as shown in fig. 1, the utility model discloses a spiral sleeve cutter frock for planting digging pit, spiral sleeve cutter frock is including supporting chassis 10 and the support the support column 6 that sets up on the chassis, support column 6 upper end is connected with support cantilever 5 one end hinge through first articulated portion 14, support cantilever 5 other end is connected with motor support pole 4 through second articulated portion 15 hinge, motor support pole 4 lower extreme has suspended in midair actuating mechanism 1, actuating mechanism 1 includes driving motor 11, locate the drive wheel 12 of driving motor axle head and the drive wheel 13 of being connected with the drive wheel transmission, drive wheel 12, drive wheel 13 is band pulley structure or sprocket structure or worm gear structure, the drive wheel is with spiral cutter 2's transmission shaft fixed connection, can drive spiral cutter 2 through actuating mechanism 1 and rotate, thereby satisfy the high-efficient excavation of planting the pit. The middle part of the supporting cantilever 5 is hinged with the end part of the driving rod of the cantilever driving cylinder 7 through a fourth hinge part 17, and the bottom end of the cantilever driving cylinder 7 is hinged with the supporting chassis 10 through a third hinge part 16; the cantilever driving cylinder 7 is one of a driving electric cylinder, a driving air cylinder and a hydraulic oil cylinder; the support boom 5 can be driven by the boom drive cylinder 7 to rotate along the first articulation 14, so that the screw cutter 2 can be driven to move up and down.

Two groups of lifting driving cylinders 9 are symmetrically arranged on the supporting chassis 10 along two sides of the supporting cantilever 5, and the lifting driving cylinders 9 are one of a driving electric cylinder, a driving air cylinder and a hydraulic oil cylinder. The top end of a driving rod 19 of the lifting driving cylinder 9 is hinged with a suspender 8 through a fifth hinge part 18, the other ends of the two groups of suspenders 8 are respectively connected with the outer wall of the sleeve 3, the two ends of the sleeve 3 are arranged in an open mode, the length of the sleeve 3 is 1/2 of the axial length of the spiral cutter 2, the sleeve 3 is coaxially sleeved on the periphery of the spiral cutter 2, and the lifting driving cylinder 9 can drive the sleeve 3 to do lifting action along the spiral cutter 2 through the suspender.

The internal diameter R of the sleeve 3 is 10mm larger than the external diameter R of the helical blade 202, or the internal diameter R of the sleeve 3 is equal to the external diameter R of the helical blade 202, and the sleeve 3 is fitted and sleeved outside the helical blade 202. When the spiral cutter 2 descends to abut against the ground, the suspender 8 drives the sleeve 3 to descend to the ground, the driving mechanism 1 is started to drive the spiral cutter to rotate to realize tree planting and pit digging, in the pit digging process of the spiral cutter, the sleeve 3 descends along with the spiral cutter 2 to the same descending degree, when the sleeve and the spiral cutter descend to the preset depth, the driving mechanism 1 is closed, the cantilever driving cylinder 7 and the lifting driving cylinder 9 are driven to lift the spiral cutter and the sleeve to the ground, and soil between the spiral cutter and the sleeve is taken out; then, the driving motor is started to drive the spiral cutter to rotate reversely, and the spiral cutter and the sleeve are controlled to move reversely and separate, so that soil between the sleeve and the spiral cutter is removed. The spiral cutter and the sleeve structure can efficiently realize digging and taking of tree pit soil, the tree pit is well formed, and soil taking out in the sleeve is realized by driving the spiral cutter to relatively ascend and the sleeve to relatively descend.

As shown in fig. 3, the spiral cutter 2 includes a transmission shaft 201 and a spiral blade 202 arranged along the circumference of the transmission shaft, and the spiral blade arranged along the transmission shaft is of a single-spiral structure; the connection part of the spiral blade 202 and the transmission shaft 201 is in fillet connection, the thickness of the spiral blade 202 is gradually increased from outside to inside along the radial direction, the spiral angle of the spiral blade 202 along the axial direction of the transmission shaft 201 is 15-22 degrees, and the edge diameter of the spiral blade 202 is consistent along the axial direction of the transmission shaft. The spiral cutter arranged in the mode is high in structural strength, has good lifting performance, and can meet the requirement of digging and taking soil. The bottom end of the transmission shaft 201 is provided with a stepped shaft 204, and the bottom end of the stepped shaft 204 is connected with a drill 203 in a threaded manner. When the drilling machine works, the spiral cutter 2 is driven by the supporting cantilever 5 to fall to a position to be dug, the drill bit 203 is firstly contacted with the ground and is preliminarily positioned, and the phenomenon that the spiral cutter strikes the sleeve in the radial swinging process due to overlarge swinging amplitude can be avoided.

In the above embodiment, the first hinge portion 14, the second hinge portion 15, the third hinge portion 16, the fourth hinge portion 17 and the fifth hinge portion 18 are all connected by the hinge pivot 20.

The utility model discloses a theory of operation or working method:

during operation, firstly, the cantilever driving cylinder 7 drives the supporting cantilever 5 to drive the spiral cutter 2 to descend to the position of the tree pit to be excavated, and the corresponding lifting driving cylinder 9 drives the suspender 8 to drive the sleeve 3 to synchronously descend to the ground of the tree pit to be excavated. Secondly, the driving mechanism 1 is started to drive the spiral cutter to rotate so as to realize tree planting and pit digging, in the pit digging process of the spiral cutter, the sleeve 3 descends gradually along with the spiral cutter and is consistent with the descending degree of the spiral cutter 2, when the sleeve and the spiral cutter descend to the preset depth of the tree pit, the driving mechanism 1 is closed, the cantilever driving cylinder 7 and the lifting driving cylinder 9 are driven to lift the spiral cutter and the sleeve to the ground, and soil between the spiral cutter and the sleeve is taken out of the tree pit. And finally, starting a driving motor to drive the spiral cutter to rotate reversely, and controlling the spiral cutter 2 and the sleeve 3 to move reversely and separate through the cantilever driving cylinder 7 and the lifting driving cylinder 9, so that the soil between the sleeve and the spiral cutter can be cleaned, and the next pit digging operation can be carried out.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should be regarded as the protection scope of the present invention.

Claims

1. A spiral sleeve cutter tool for tree planting and pit digging is characterized by comprising a supporting chassis (10) and a supporting column (6) arranged on the supporting chassis, wherein the supporting column (6) is hinged with one end of a supporting cantilever (5), the other end of the supporting cantilever (5) is hinged with a motor supporting rod (4), and a driving mechanism (1) and a spiral cutter (2) in transmission connection with the driving mechanism are suspended at the lower end of the motor supporting rod (4); the middle part of the supporting cantilever (5) is hinged with a supporting chassis (10) through a cantilever driving cylinder (7); the spiral cutting tool is characterized in that a lifting driving cylinder (9) is arranged on the supporting base plate (10), a lifting rod (8) is hinged to the top end of a driving rod (19) of the lifting driving cylinder (9), the other end of the lifting rod (8) is connected with a sleeve (3), and the sleeve (3) is sleeved on the periphery of the spiral cutting tool (2).

2. The spiral sleeve cutter tool for tree planting and pit digging according to claim 1, wherein the spiral cutter (2) comprises a transmission shaft (201) and spiral blades (202) arranged along the circumference of the transmission shaft, a stepped shaft (204) is arranged at the bottom end of the transmission shaft (201), and a drill bit (203) is connected to the bottom end of the stepped shaft (204) in a threaded mode.

3. The spiral sleeve cutter tool for tree planting digging according to claim 2, characterized in that the helix angle of the spiral blade (202) along the axial direction of the transmission shaft (201) is 15-22 °.

4. The spiral sleeve cutter tool for tree planting excavation according to claim 2, wherein the thickness of the spiral blade (202) is gradually increased from outside to inside along the radial direction.

5. The spiral sleeve cutter tool for tree planting digging pit as claimed in claim 2, characterized in that the inner diameter R of the sleeve (3) is not less than the outer diameter R of the spiral blade (202), and the sleeve (3) is lifted along the spiral cutter (2).

6. The screw sleeve cutter tool for tree planting digging according to claim 5, characterized in that the length of the sleeve (3) is 1/2 of the axial length of the helical blade (202).

7. The spiral sleeve tool fixture for tree planting and pit digging according to claim 1, wherein the driving mechanism (1) comprises a driving motor (11), a driving wheel (12) arranged at the shaft end of the driving motor and a driving wheel (13) in transmission connection with the driving wheel; the driving wheel (12) and the transmission wheel (13) are in a belt wheel structure or a chain wheel structure or a worm and gear structure.

8. The screw sleeve tool equipment for tree planting digging according to claim 1, characterized in that the lifting driving cylinder (9) and the suspension rod (8) comprise two groups symmetrically arranged along the supporting cantilever (5).

9. The spiral sleeve tool tooling for tree planting and pit digging according to claim 1, wherein the cantilever driving cylinder (7) and the lifting driving cylinder (9) are one of a driving electric cylinder, a driving air cylinder and a hydraulic oil cylinder.