CN1145436A

CN1145436A - Dry pile digger

Info

Publication number: CN1145436A
Application number: CN 95111954
Authority: CN
Inventors: 吴远浦; 苏士伟
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-08-28
Filing date: 1995-08-28
Publication date: 1997-03-19

Abstract

The invention relates to a dry-type excavator for piles. The gear at end of driver output axle is engaged with toothed ring to drive drill rod, which has wall-protecting pipe and drill bit at lower part. The chain wheel at both sides of horizontal beam is connected via chain with buckets to the chain wheel at end of borrowing driver's output axle. Earth discharger is under borrowing driver. Its advantages include high productivity increased by 2-3 times and safety.

Description

Dry pile digger

The present invention relates to a kind of dry pile digger, belong to building machinery, be particularly suitable for all kinds of highrise building deep foundations and dig slope protection pile hole fashionable dress usefulness.

Fast development along with builing industry, the highrise building in city is also more and more, the ground of this class building is all very dark, particularly there is the basis of basement just darker, yet, the construction land of big and medium-sized cities is all at full stretch, therefore, does not all have enough put sloping around the building usually, too expensive again with steel plate bank protection cost, so most construction brigades all adopt the piling bank protection, though this bank protection mode cost is lower, but manually digging hole efficient is low, operation is loaded down with trivial details, whenever dig one meter and need to use concrete guard wall after dark, treat to continue after at least 24 hours to deep-cut, the phenomenon of burying the people of however caving in work progress happens occasionally, and causes casualties again; Simultaneously since hole depth generally all more than tens meters, just more hardly imaginable as underground biogas, its consequence of poison gas, for these reasons in recent years once the someone done a kind of wet type pile digger, replaced manually digging hole, safe and reliable, but owing in its work progress, must pour into a large amount of water, release again after earth in the hole stirred into mud, not only efficient is not high, and only is applicable to loess, and other soil properties such as sandy soil etc. are just inapplicable, simultaneously the building site is made very dirty, therefore, the construction brigade in the north seldom adopts, and it is applied be subjected to certain limitation.

The object of the present invention is to provide that a kind of soil property simple to operate, all kinds of all is suitable for, efficient is high, stable performance, safe and reliable dry pile digger.

The objective of the invention is to realize by the following technical solutions, form by walking mechanism, cage elevator, lifting drilling rod elevator and frame, the gear that is loaded on the drive unit output axle head of upper rack is meshed with the ring gear that drives drilling rod, the drilling rod bottom is provided with the retaining wall tube, the lower end is provided with drill bit, the sprocket wheel that places the crossbeam both sides sprocket wheel of the drive unit output axle head that fetches earth that fuses of the chain by having chain bucket on it and drilling rod respectively links to each other, the casting case that fuses with drilling rod place the drive unit that fetches earth below.

Described ring gear links to each other with the drilling rod of square-section by gusset piece.

The top of described casting case is provided with the casting slope, is provided with down soil at itself and the up corresponding position of chain bucket and hits arm.

The lower end edge of described retaining wall tube circumferentially is laid with the drilling depth tooth, the corresponding receipts soil plough bowl plate that increases progressively successively to axle, radial extent that is provided with of lower inside wall upper edge direction of rotation.

Described chain bucket is by support arm, locking hook and returning pull-spring is uniform is loaded on the chain.

The top edge of described retaining wall tube is provided with the mud tube of stream mud between tube and hole wall.

The present invention compared with prior art, owing to adopted two drivings, the two cover chains a series of technical measures such as drill bit and retaining wall tube while drilling depth that fetch earth in addition, and through evidence have easy and simple to handle, improve work efficiency 2-3 doubly, safe and reliable, advantage such as use cost is low, strong to soil property compliance simultaneously, energy accelerating construction progress are eliminated the technical error that is caused because of the borehole landslide.

Fig. 1 is a main TV structure schematic diagram of the present invention.

Fig. 2 is a plan structure schematic diagram of the present invention.

Fig. 3 is a side-looking structural representation of the present invention.

Fig. 4 is the A-A sectional structure schematic diagram of Fig. 1.

Fig. 5 is the B-B sectional structure schematic diagram of Fig. 1.

Fig. 6 is the C-C sectional structure schematic diagram of Fig. 1.

Fig. 7 is the deployed configuration schematic diagram of retaining wall tube.

Fig. 8 is that the chain preceding chain bucket of up soil and the soil that falls hit mutual alignment schematic diagram between the arm.

Embodiments of the invention are described in detail in conjunction with the accompanying drawings, walking mechanism 13 places on the track, promote drilling rod elevator 14, cage elevator 15 and frame 11 are loaded on the walking mechanism 13, frame 11 is fixing by pull bar 12, be installed in the drive unit 10 on frame 11 tops, gear 8 by its output axle head is meshed with the ring gear 7 that drives drilling rod 9, ring gear 7 links to each other with the drilling rod 9 of square-section by gusset piece, the bottom of drilling rod 9 is provided with retaining wall tube 1, drill bit 20 is equipped with in the lower end, the sprocket wheel that the places crossbeam 18 both sides sprocket wheel of the chain 5 by having chain bucket 17 on it and the output axle head of the drive unit 6 that fetches earth that fuses with drilling rod 9 respectively links to each other, the casting case 2 that fuses with drilling rod 9 place drawing out soil equipment 6 below, be located at the casting slope 3 above the casting case 2, the soil that falls hits arm 4 and passes through support, extension spring 26 and spring 22 are located on itself and the chain bucket 17 up corresponding positions, described chain bucket 17 is by support arm 23, locking hook 24 and returning pull-spring 25 uniform being loaded on the chain 5; The lower end edge of described retaining wall tube 1 is the uniform drilling depth tooth 21 that has circumferentially, lower inside wall upper edge rotation increases progressively successively to the correspondence setting and is beneficial to collection earth to axle, radial extent, have certain shovel soil angle, the

plough bowl plate

16,19 of the similar usefulness of ploughing, mud tube is located at the top edge of retaining wall tube 1.

When the present invention uses, wait to align the back with the fixing walking mechanism 13 of rail meter, start drive unit 10 then, the gear 8 of axle head drives the ring gear 7 that drives drilling rod 9 and rotates, drive drilling rod 9 in turn, retaining wall tube 1, drill bit 20 drilling depth that turns clockwise, the drive unit 6 that meanwhile fetches earth is worked, chain 5 rotates counterclockwise, chain bucket 17 is at the bottom of going downwards to the hole time, the earth of turn up is at plough bowl plate 16, middle endless belt to retaining wall tube 1 under 19 the effect is concentrated, be beneficial to and fill chain bucket 17, the chain bucket 17 of filling soil is up to the casting slope 3 o'clock on casting case 2 tops, just in time with fall soil and hit arm 4 and meet, state as shown in Figure 8, the soil that falls hits arm 4 and stops chain bucket 17 up, again because the elastic force of extension spring 26 is slightly larger than the elastic force of returning pull-spring 25, therefore force the front portion of chain bucket 17 to rotate, then the tail end of the tail end of support arm 23 compressing locking hook 24 rotates, the hook end lifts unhook, chain bucket 17 pours into the surface on casting slope 3 with soil, drops in the casting case 2 along the slope, discharges along the casting slide plate from the two bottom sides mouth, chain bucket 17 castings finish, chain 5 still continues uply to recover reset condition by falling the moment that soil hits arm 14 under the effect of return spring 25, and next chain bucket 17 will enter the attitude of falling the earthy, go round and begin again; Along with continuing in gun drilling, the mud tube of being located at retaining wall tube 1 top edge constantly flows mud between tube and hole wall, when getting into projected depth, drive unit 10, the drive unit 6 that fetches earth quit work, promoting 14 work of drilling rod elevator proposes drilling rod 9, reinforcing cage is hung in the hole placing of concrete stake by cage elevator 15.

Claims

1. dry pile digger, form by walking mechanism 13, cage elevator 15, lifting drilling rod elevator 14 and frame 11, the gear 8 that it is characterized in that being loaded on the drive unit 10 output axle heads on frame 11 tops is meshed with the ring gear 7 of driving drilling rod 9, the bottom of drilling rod 9 is provided with retaining wall tube 1, the lower end is provided with drill bit 20, the sprocket wheel that the places crossbeam 18 both sides sprocket wheel of the chain 5 by having chain bucket 17 on it and the drive unit 6 output axle heads that fetch earth that fuse with drilling rod 9 respectively links to each other, the casting case 2 that fuses with drilling rod 9 place the drive unit 6 that fetches earth below.

2. pile digger according to claim 1 is characterized in that described ring gear 7 links to each other with the drilling rod 9 of square-section by gusset piece.

3. pile digger according to claim 1 is characterized in that the top of described casting case 2 is provided with casting slope 3, is provided with down soil at itself and chain bucket 17 up corresponding positions and hits arm 2.

4. pile digger according to claim 1 is characterized in that the lower end edge of described retaining wall tube 1 circumferentially is laid with drilling depth tooth 21, the corresponding receipts soil plough bowl plate 16,19 that increases progressively successively to axle, radial extent that is provided with of lower inside wall upper edge direction of rotation.

5. pile digger according to claim 1 is characterized in that described chain bucket 17, by support arm 23, locking hook 24 and returning pull-spring 25, and uniform being loaded on the chain 5.

6. pile digger according to claim 1 is characterized in that the top edge of described retaining wall tube 1 is provided with the mud tube of stream mud between tube and hole wall.