CN101294401B

CN101294401B - Soil nail fixing type telecontrol digging machine

Info

Publication number: CN101294401B
Application number: CN2008100379883A
Authority: CN
Inventors: 陈传灿
Original assignee: Tongji University
Current assignee: Tongji University
Priority date: 2008-05-23
Filing date: 2008-05-23
Publication date: 2010-12-08
Anticipated expiration: 2028-05-23
Also published as: CN101294401A

Abstract

A remote control digging machine fixed by soil nails used as a construction machine for underground works comprises a mobile digging device, a chassis, a large arm rotating device, spiral soil nails, and a remote control device. The mobile digging device is installed on a special cross beam of a carriage, the cross beam is supported on a foundation with four vertically retractable legs, the two ends of the cross beam are fixed on the foundation with the special spiral soil nails. With the digging process, the spiral soil nails are correspondingly naturally sunk. Two digging machines are arranged on one cross beam, and the horizontal operational range of the digging machine is 20m*9m. The entire machine is electronically driven, the digging and lifting operations are manipulated by the remote control device, so as to avoid serious pollution problem. The digging machine can run on a track and can retract and rotate by itself. The large arm rotating device is arranged on a large arm of the mobile digging device, and the large arm can rotate at any angles, so as to drive a bucket to dig corners at different angles.

Description

Soil nail fixing type telecontrol digging machine

Technical field

The present invention relates to underground engineering construction machinery, the soil nail fixing type telecontrol digging machine of particularly a kind of underground deep pit construction, pneumatic caisson construction, cap excavation method construction.

Background technology

Along with the continuous development of urban construction, various types of underground constructions, deep foundation engineering get more and more.Efficiently, the construction method of deep foundation ditch of safety, economy, energy-saving and environmental protection seems particularly important.At present, there is following problem in the excavation construction of deep foundation ditch:

1, efficient is not high; Because the inner supporting facility of foundation ditch is many, groundwater table is high, soil property is muddy, traditional digging machine is difficult to bring into play usefulness;

2, potential safety hazard is many, weighs down thing, airborne dust, noise, serious threat field operation personal security and health;

3, economy, the feature of environmental protection are poor; Fuel consume is big, has serious blowdown problem.

Summary of the invention

Technical problem to be solved by this invention is to provide a kind of soil nail fixing type telecontrol digging machine, be installed on the dolly of crossbeam, the crossbeam two ends are fixed on the ground by the rotary soil nailing of special use, along with digging dark increase, rotary soil nailing follows nature to sink, the horizontal operation of the digging machine of this machine can reach 20m * 9m, complete machine adopts driven by power, there is not pollution problem in remote operation, and digging machine both can be walked in orbit, scalable again rotation itself, scraper bowl can be done the excavation of various different angles, digging machine nimbly and freely, the soil extracting efficiency height.

The present invention solves the problems of the technologies described above the technical scheme of being taked: a kind of soil nail fixing type telecontrol digging machine, comprise portable excavating gear, frame, big arm rotation unit, spiral soil nailing and remote control, wherein,

Portable excavating gear, be installed on the dolly of a special-purpose crossbeam, two digging machines of configuration on the crossbeam, crossbeam is supported on the ground with four vertical telescopic outriggers, four spiral soil nailings are installed at the crossbeam two ends in addition, spiral soil nailing pierces in the soil crossbeam is securely fixed on the ground under fluid motor-driven; On the big arm in the portable excavating gear big arm rotation unit is housed, under big arm motor drove, big arm can be done arbitrarily angled rotation, drives the scraper bowl different rotation angle, makes scraper bowl do the excavation of various angles.

Described big arm rotation unit is loaded between big arm and the rocking arm, is made up of big arm rotating disk, big arm motor and swing pinion, on the wherein big arm rear axle axle sleeve is housed, insert interior linking to each other of the inner corresponding installing hole of rocking arm, make big arm rotatable, be set with big arm rotating disk outside the big arm rear end; The rocking arm front portion be equipped with can positive and negative rotation big arm motor, swing pinion is housed and by reducer and big arm rotating disk engagement on the output shaft of big arm motor; Drive big arm motor, make big arm can do arbitrarily angled rotation, drive the scraper bowl different rotation angle, reach the excavation that scraper bowl adapts to various corners by swing pinion and reducer.

Described frame comprises crossbeam, horizontal telescopic outrigger, vertical telescopic outrigger and spiral soil nailing, and wherein, four horizontal telescopic outriggers link to each other with four vertical telescopic outriggers, and horizontal telescopic outrigger can be regulated the width of vertical telescopic outrigger; Frame is fixed on the ground by four spiral soil nailings that insert in the soil.

Described spiral soil nailing, form by screw rod in the housing of packing into and hydraulic motor, the insert action of spiral soil nailing is finished by fluid motor-driven, the screw rod leading section is the pinnacle structure, is convenient to insert in the soil, has the several holes window around the housing, the earth that the screw rod rotation is discharged is discharged from the housing bore window, spiral soil nailing rotation limit casting, limit are inserted in the soil and are reached about 1.5 meters, reach whole digging machine at the middle working stability that loosens the soil, and prevent the digging machine rollover.

Described soil nail fixing type telecontrol digging machine, the operation and the lifting action of its digging machine are adorned by remote control

Put and control.

The invention has the beneficial effects as follows:

1, the present invention's equipment of cutting the earth is installed on the dolly of a special-purpose crossbeam, equipped two digging machines of crossbeam, and the crossbeam two ends are fixed on the ground by the supporting leg of special use, and along with digging dark increase, supporting leg follows nature to sink.The horizontal job area of digging machine can reach 20m * 9m;

2, digging machine both can be walked in orbit, and itself is scalable again, rotation, by big arm rotation unit, made the different angle in 360 ° of the big arm rotations, drove the scraper bowl rotation, reached the excavation that scraper bowl adapts to various corners, cut the earth nimbly and freely, and the rate that fetches earth improves greatly;

3, adopt electric-powered unit drives, but energy conservation is about 25～30%, not only energy-conservation but also environmental protection;

4, adopt the telescopic arm that digs, control operation height; Adopt straighforward operation, safety is secure.

Description of drawings

Fig. 1 is a structural representation of the present invention.

Fig. 2 is the vertical view of Fig. 1.

Fig. 3 is the portable excavating gear structure enlarged diagram of Figure 1A portion.

Label declaration in the accompanying drawing

1-hydraulic motor 2-crossbeam 3-dolly

4-motor reducer 6-rotation motor

The spiral soil nailing of the horizontal telescopic outrigger 9-of 7-roller set 8-

The vertical telescopic outrigger 11-of 10-digging machine rotating disk 12-joint pin

The big arm motor of 13-bearing pin 14-rocking arm 15-

The big arm of 16-swing pinion 17-roller 18-

19-forearm oil cylinder 20-forearm 21-scraper bowl

The big arm rotating disk of 22-bearing pin 23-bucket cylinder 24-

25-rocking arm oil cylinder

The specific embodiment

The invention will be further described below in conjunction with accompanying drawing.

In the whole machine installation of the present invention support in the 3m scope at interval.Portable excavating gear is installed on the dolly 3 of a special-purpose crossbeam 2, two digging machines of configuration on the crossbeam 2, four vertical telescopic outriggers 10 of crossbeam 2 usefulness are supported on the ground, crossbeam 2 two ends are installed four spiral soil nailings 9 in addition, the enclosure interior screw rod of spiral soil nailing 9 is driven by the hydraulic motor 1 that is installed in the top, screw rod pierces in the soil and finally crossbeam is securely fixed on the ground under hydraulic motor 1 drives.Digging machine with dolly 3 on crossbeam 2 walking freely, excavate, fetch earth, unload soil.The flexible scope of digging machine telescopic arm is at 3m～5m, and scraper bowl 21 also can rotate freely, to adapt to the excavation of various corners.Along with the decline of soil layer, complete machine also will and then descend, and at this moment only needs the vertical Retractive leg 10 in eight supporting legs is packed up, cut out the soil below the vertical telescopic outrigger 10, and then a vertical telescopic outrigger 10 is put down, start hydraulic motor 1 simultaneously, the rotating screw bar is fixed on crossbeam in the soil again.

Portable excavating gear of the present invention is installed on the dolly 3 of crossbeam 2, and wherein, scraper bowl 21 links to each other with forearm 20 by bearing pin 22, and the excavation action of scraper bowl 21 is driven by bucket cylinder 23, and the corner of scraper bowl 21 is excavated action and finished by the whirligig of big arm 18; Forearm 20 links to each other with big arm 18 by roller 17, and flexible the driving by forearm oil cylinder 19 of forearm 20 finished; Big arm 18 links to each other with rocking arm 14 by big arm rotating disk 24, between big arm 18 and the rocking arm 14 whirligig is housed, and rocking arm 14 links to each other with joint pin 12 by bearing pin 13, and swinging up and down by 25 drivings of rocking arm oil cylinder of rocking arm 14 finished; Joint pin 12 links to each other with dolly 3 by digging machine rotating disk 11, and the rotation of joint pin 12 is finished by digging machine rotation motor 6; Dolly 3 links to each other with crossbeam 2 by roller set 7, and dolly 3 is walked on crossbeam 2 and driven by motor reducer assembly 4, and dolly 3 is fixed with the hydraulic braking assembly that is contained in the dolly 3 and finishes on crossbeam 2.

Between big arm 18 of the present invention and rocking arm 14, big arm rotation unit is housed, form by big arm rotating disk 24, big arm motor 15 and swing pinion 16, on big arm 18 rear axles, axle sleeve is housed, insert in the rocking arm 14 inner corresponding installing holes and link to each other, big arm 18 can rotate rocking arm 14 in, and arm 18 rear end outer cover are equipped with big arm rotating disk 24 greatly, rocking arm 14 anterior sides be equipped with can positive and negative rotation big arm motor 15; Swing pinion 16 is housed and by reducer and big arm rotating disk 24 engagements on the output shaft of big arm motor 15; Drive big arm motor 15, make whole big arm 18 can do arbitrarily angled rotation, drive scraper bowl 21 rotations and make the interior corner of any range, make scraper bowl 21 adapt to the excacation of various corners by swing pinion 16 and reducer.

Described frame comprises crossbeam 2, horizontal telescopic outrigger 8, vertical telescopic outrigger 10 and spiral soil nailing 9, and wherein, four horizontal telescopic outriggers 8 link to each other with four vertical telescopic outriggers 10, and horizontal telescopic outrigger 8 can be regulated the width of vertical telescopic outrigger 10; Frame is fixed on the ground by four spiral soil nailings 9 that insert in the soil.

Claims

1. a soil nail fixing type telecontrol digging machine comprises portable excavating gear, frame, big arm rotation unit, spiral soil nailing and remote control, it is characterized in that:

Portable excavating gear, be installed on the dolly (3) of a special-purpose crossbeam (2), a crossbeam (2) is gone up two digging machines of configuration, crossbeam (2) is supported on the ground with four vertical telescopic outriggers (10), four spiral soil nailings (9) are installed at crossbeam (2) two ends in addition, spiral soil nailing (9) pierces in the soil crossbeam is securely fixed on the ground under hydraulic motor (1) drives; On the big arm (18) in the portable excavating gear big arm rotation unit is housed, under big arm motor (15) drove, big arm can be done arbitrarily angled rotation, drives scraper bowl (21) different rotation angle, makes scraper bowl (21) do the excavation of various angles, wherein,

Described spiral soil nailing (9), form by screw rod in the housing of packing into and hydraulic motor (1), the insert action of spiral soil nailing (9) is driven by hydraulic motor (1) and finishes, the screw rod leading section is the pinnacle structure, is convenient to insert in the soil, has the several holes window around the housing, the earth that the screw rod rotation is discharged is discharged from the housing bore window, spiral soil nailing (9) rotation limit casting, limit are inserted in the soil and are reached 1.5 meters, reach whole digging machine at the middle working stability that loosens the soil, and prevent the digging machine rollover.

2. soil nail fixing type telecontrol digging machine according to claim 1 is characterized in that:

Described portable excavating gear, wherein, scraper bowl (21) links to each other with forearm (20) by bearing pin (22), and the excavation action of scraper bowl (21) is driven by bucket cylinder (23), and the corner of scraper bowl (21) is excavated action and is finished by the whirligig of big arm (18); Forearm (20) links to each other with big arm (18) by roller (17), and flexible the driving by forearm oil cylinder (19) of forearm (20) finished; Big arm (18) links to each other with rocking arm (14) by big arm rotating disk (24), between big arm (18) and the rocking arm (14) whirligig is housed; rocking arm (14) links to each other with joint pin (12) by bearing pin (13), swinging up and down by rocking arm oil cylinder (25) driving of rocking arm (14) finished; Joint pin (12) links to each other with dolly (3) by digging machine rotating disk (11), and the rotation of joint pin (12) is finished by digging machine rotation motor (6); Dolly (3) links to each other with crossbeam (2) by roller set (7), and dolly (3) is gone up walking at crossbeam (2) and driven by motor reducer assembly (4).

3. soil nail fixing type telecontrol digging machine according to claim 1 is characterized in that:

Described big arm rotation unit, be loaded between big arm (18) and the rocking arm (14), form by big arm rotating disk (24), big arm motor (15) and swing pinion (16), on wherein big arm (18) rear axle axle sleeve is housed, insert in the inner corresponding installing hole of rocking arm (14) and link to each other, make big arm (18) rotatable, be set with big arm rotating disk (24) outside big arm (18) rear end; Rocking arm (14) front portion be equipped with can positive and negative rotation big arm motor (15), swing pinion (16) is housed and by reducer and big arm rotating disk (24) engagement on the output shaft of big arm motor (15); Drive big arm motor (15), can make the two-way rotation of big arm (18) by swing pinion (16) and reducer.

4. soil nail fixing type telecontrol digging machine according to claim 1 is characterized in that:

Described frame, comprise crossbeam (2), horizontal telescopic outrigger (8), vertical telescopic outrigger (10) and spiral soil nailing (9), wherein, four horizontal telescopic outriggers (8) link to each other with four vertical telescopic outriggers (10), and horizontal telescopic outrigger (8) can be regulated the width of vertical telescopic outrigger (10); Frame is fixed on the ground by four the spiral soil nailings (9) that insert in the soil.

5. soil nail fixing type telecontrol digging machine according to claim 1 is characterized in that:

Described soil nail fixing type telecontrol digging machine, the operation and the lifting action of its digging machine are controlled by remote control.