CN2647023Y

CN2647023Y - Hole-drilling machine matched with four-wheeled tractor

Info

Publication number: CN2647023Y
Application number: CN 200320111541
Authority: CN
Inventors: 刘凤勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-11-07
Filing date: 2003-11-07
Publication date: 2004-10-13
Anticipated expiration: 2013-11-07

Abstract

The utility model relates to a pit drilling machine matched with four-wheel tractor, belonging to an engineering machinery, which is mainly used for digging the pit of trees, the machine is composed of a shell, and a belt wheel arranged on the shell, a rotation shaft, a driving bevel gear, a drill stem bevel gear, a drill stem, soil cutting blade sleeved on the drill stem, and a drill head assembly of soil spiral transmission plate.

Description

Pitting machine with four-wheel tractor

Technical field

The utility model belongs to small engineering machinery, mainly is suitable for afforestation and excavates the tree well use.

Background technology

At present, in the greening in China city, small towns, rural area and forest farm was planted trees and planted trees, the most manpower hand digging modes that adopt of tree well formed, and not only efficient is low, and labour intensity is big, causes a large amount of wastes of human resources.In the large-scale tree of minority is transplanted, the pile foundation trenching machine that some unit has selected for use building engineering construction to use is finished the excavation of tree well, efficient has improved, but cost increases substantially, and such implement structure complexity, need to be equipped with special-purpose dynamic power machine, the operation bad adaptability is not suitable for the use of digging pit in the planting greening.

Summary of the invention

The purpose of this utility model is exactly at adopting manpower to dig the problem that tree well exists in the current greening and afforestation process, in conjunction with the market demand, design provides a kind of and pitting machine four-wheel tractor, reaches the mechanized that realizes tree well and excavate, improves the efficient of digging pit, reduces labor intensity, reduces operating cost, promotes the purpose of China's afforestation and afforestation undertaking fast development.

Basic design of the present utility model is, equipped rotating drilling rod in housing, and the drilling rod bevel gear is packed on the drilling rod; Install drill bit assembly on the lower end part of drilling rod, soil cutting blade and soil helical feed sheet fit over respectively on the cone outside, lower end and cylinder outside of drill bit assembly admittedly; Utilize rotating shaft being equipped with belt pulley and driving bevel gear on the sidewall of housing, driving bevel gear is positioned at housing, and with the engagement of drilling rod bevel gear, belt pulley is positioned at hull outside; Driving-belt is overlapped on belt pulley and the tractor clutch belt pulley; The two ends that the housing angle is adjusted assembly automatically are hinged with housing upper end and tractor hydraulic oil cylinder bar respectively; Hinge dress housings support frame on lower housing portion, the other end and the connecting plate of housings support frame are hinged; Regulating wheel fits on the connecting plate admittedly, and connecting plate is fixed on the shaft of tractor housing; The housing angle is adjusted assembly automatically and is made of back U template, bolt, compression spring, spring adjusting nut, length adjustment nut and preceding U template combination assembling; The soil cutting blade is made of seam line and the cutting edge line that two different involutes of radius of curvature constitute, and so far constitutes the pitting machine with four-wheel tractor.

The utility model made full use of in the rural area recoverable amount huge, have the various type four-wheel tractor of a bel-drivenn power resource, only need 1 people operation during operation, drilling rod bores to cheat to move down and need not to apply external force, can descend automatically, have that simple in structure, supporting adaptation type is wide, fault is few, long service life, efficient height, adjust and safeguard simple and convenient, save labour, manufacturing and the cheap characteristics of operating cost.

Description of drawings

Fig. 1 is the pitting machine general structure schematic diagram with four-wheel tractor;

Fig. 2 is the A-A cutaway view of Fig. 1;

Fig. 3 is that the housing angle is adjusted the assembly structure schematic diagram automatically;

Fig. 4 is a soil cutting blade structure schematic diagram.

Piece number explanation among the figure:

1, the soil cutting blade, 2, soil helical feed sheet, 3, drill bit assembly, 4, belt pulley, 5, housing, 6, driving-belt, 7, the housing angle is adjusted assembly automatically, 8, connecting plate, 9, rotating shaft, 10, tractor hydraulic drives assembly, 11, tractor hydraulic oil cylinder bar, 12, the tractor clutch belt pulley, 13, regulating wheel, 14, the shaft of tractor housing, 15, the housings support frame, 16, drilling rod, 17, the drilling rod bevel gear, 18, driving bevel gear, 19, back U template, 20, bolt, 21, the compression spring, 22, the spring adjusting nut, 23, the length adjustment nut, 24, preceding U template combination, 25, the seam line, 26, the cutting edge line.

Embodiment

Below in conjunction with accompanying drawing the utility model optimum implementation is described in detail.Be equipped with rotating drilling rod 16 in housing 5, drilling rod bevel gear 17 is packed on the drilling rod 16; The cone outside, lower end that fixing suit drill bit assembly 3 on the lower end part of drilling rod 16, soil cutting blade 1 and soil helical feed sheet 2 fit over drill bit assembly 3 respectively admittedly go up and cylinder outside on; Utilize rotating shaft 9 being equipped with belt pulley 4 and driving bevel gear 18 on the sidewall of housing 5, its driving bevel gear 18 is positioned at housing 5, and with 17 engagements of drilling rod bevel gear, belt pulley 4 is positioned at housing 5 outsides; Driving-belt 6 is overlapped on belt pulley 4 and the tractor clutch belt pulley 12, with two in succession; The two ends that the housing angle is adjusted assembly 7 automatically are hinged with housing 5 upper ends and tractor hydraulic oil cylinder bar 11 respectively; Hinge dress housings support frame 15 on housing 5 bottoms, the other end of housings support frame 15 and connecting plate 8 are hinged, and regulating wheel 13 fits on the connecting plate 8 admittedly, and contacts cooperation with driving-belt 6; Connecting plate 8 is fixed on the shaft of tractor housing 14.The structure that the housing angle is adjusted assembly 7 automatically is: plug-in mounting relatively-movable bolt 20 on the U template 19 of back, the nut end of its bolt 20 is positioned at back U template 19 grooves, compression spring 21 is sleeved on the bolt 20, and spring adjusting nut 22 cooperates with bolt 20 and is located; It is 24 affixed that length adjustment nut 23 and preceding U template make up, and length adjustment nut 23 assembles with bolt 20 and is connected.Soil cutting blade 1 is made of seam line 25 and cutting edge line 26, and its seam line 25 is two involutes that radius of curvature is different with cutting edge line 26, and the radius of curvature of seam line 25 is less than the radius of curvature of cutting edge line 26.

During operation, utilizing the housing angle to adjust assembly and housings support frame 15 and connecting plate 8 automatically joins pitting machine and hangs over the four-wheel tractor rear portion, and be connected with hydraulic-driven assembly 10, driving-belt 6 is connected tractor clutch belt pulley 12 and belt pulley 4, make the power of tractor clutch belt pulley 12 drive 3 rotations of drilling rod 16 drive drill bit assemblies through driving-belt 6, belt pulley 4, rotating shaft 9, driving bevel gear 18, drilling rod bevel gear 17, under soil cutting blade 1 and 2 effects of soil helical feed sheet, housing 5 integral body are moved downwards, finish the operation of digging pit; Tractor hydraulic driving this moment assembly 10 is in the floating position; After finishing a tree well digging operation, tractor hydraulic oil cylinder bar 1 extends the driving tractor hydraulic backward and drives assembly 10, utilizes housings support frame 15 that housing 5 is promoted the disengaging ground, and mobile tractor carries out next tree well digging operation; The housing angle that length adjustment is suitable is adjusted assembly 7 control housings 5 automatically and is bored when cheating or promoting and the perpendicularity on ground.

Claims

1, a kind of pitting machine of and four-wheel tractor is characterized in that being equipped with rotating drilling rod (16) in housing (5), and drilling rod bevel gear (17) is packed on the drilling rod (16); The cone outside, lower end that fixing suit drill bit assembly (3) on the lower end part of drilling rod (16), soil cutting blade (1) and soil helical feed sheet (2) fit over drill bit assembly (3) respectively admittedly go up and cylinder outside on; Utilize rotating shaft (9) being equipped with belt pulley (4) and driving bevel gear (18) on the sidewall of housing (5), its driving bevel gear (18) is positioned at housing (5), and with drilling rod bevel gear (17) engagement, belt pulley (4) is positioned at housing (5) outside; Driving-belt (6) is overlapped on belt pulley (4) and the tractor clutch belt pulley (12), with two in succession; The two ends that the housing angle is adjusted assembly (7) automatically are hinged with housing (5) position, upper end and tractor hydraulic oil cylinder bar (11) respectively; Hinge dress housings support frame (15) on housing (5) bottom, the other end of housings support frame (15) and connecting plate (8) are hinged, and regulating wheel (13) fits on the connecting plate (8) admittedly, and contacts cooperation with driving-belt (6); Connecting plate (8) is fixed on the shaft of tractor housing (14).

2, the pitting machine of according to claim 1 and four-wheel tractor, it is characterized in that the housing angle adjusts the structure of assembly (7) automatically and be: go up plug-in mounting at back U template (19) and relatively-movable bolt (20), the nut end of its bolt (20) is positioned at back U template (19) groove, compression spring (21) is sleeved on the bolt (20), and spring adjusting nut (22) cooperates with bolt (20) and is located; Length adjustment nut (23) is affixed with preceding U template combination (24), and length adjustment nut (23) is connected with bolt (20) assembling.

3, the pitting machine of according to claim 1 and four-wheel tractor, it is characterized in that soil cutting blade (1) is made of seam line (25) and cutting edge line (26), its seam line (25) is two involutes that radius of curvature is different with cutting edge line (26), and the radius of curvature of seam line (25) is less than the radius of curvature of cutting edge line (26).