CN202202328U

CN202202328U - Internal excavation pre-stress centrifugal pipe pile sinking host apparatus

Info

Publication number: CN202202328U
Application number: CN2011200807309U
Authority: CN
Inventors: 谢晓东; 卢寿根
Original assignee: SHANGHAI CHENGDI CONSTRUCTION DEVELOPMENT Co Ltd
Current assignee: Shanghai Chengdi Construction Co., Ltd.
Priority date: 2011-03-24
Filing date: 2011-03-24
Publication date: 2012-04-25
Anticipated expiration: 2021-03-24

Abstract

The utility model discloses an internal excavation pre-stress centrifugal pipe pile sinking host apparatus, including a host, a hoist arranged on the host, a power head, an oil pressure anchor-drawing device, a pressed-in oil cylinder, a soil taking case, a pulley and a wire rope. The power head, a recycling case and the oil pressure anchor-drawing device are all arranged on the host; the lower portion of the power head is connected with a soil taking drilling rod; and the soil taking drilling rod passes through the oil pressure anchor-drawing device, the soil taking case, a pile cap and the centrifugal pipe pile to reach the bottom of the apparatus. In the utility model, the internal excavation pre-stress centrifugal pipe pile sinking host apparatus possesses the advantages of safety, reliability, low cost, high benefit, no noise, no pollution, no soil extrusion, no slurry, and environmental protection, etc.

Description

Middle pick prestressed centrifugally pile tube pile sinking host apparatus

Technical field

Technical field

Pick prestressed centrifugally pile tube pile sinking host apparatus was mainly used in civilian and during industrial infrastructure builds during the utility model related to.

Background technology

The pile sinking device majority of existing prestressed centrifugally pile tube is to be applicable to adopt hammering method and silent piling method, secondly is boring extracting soil plunging and bored pile method.1, hammering method: when the stake diameter is bigger, can adopt hammering method during the no resident of periphery, but exist noise big, black smoke has vibration again during hammering, is a kind of pile-sinking method of high pollution.A lot of cities have forbidden in the center to use, and the hammer of present domestic maximum has only 10T simultaneously, and impact force is 1100 tons to the maximum.When bearing capacity can only change bored pile into greater than 1100 ton hours, so present high ferro and bridge pile foundation all are to select bored pile for use; 2, static pressure method: static pressure method is to utilize the deadweight of equipment to be pressed into a kind of method in the soil to stake; But because equipment self-weight is bigger; Higher to site requirements, it is limited to be pressed into power, and the hydraulic pressure pile press of present domestic maximum is 800 tons; Bearing capacity of single pile also can only be selected bored pile for use greater than just not adopting this method more than 400 tons.More than two kinds of pile-sinking method exist a kind of insurmountable problem, a large amount of stakes are squeezed in the soil, and the soil body is outwards expanded, a large amount of building, road and subway, tunnel and pipelines etc. that squeeze soil influence periphery can both produce cracking, displacement or the like.Can only adopt bored pile so can not beat the prestressed centrifugally pile tube in urban centre and subway limit, limit, tunnel and building compact district.3, boring extracting soil plunging: promptly on former terrace, beat a hole with borrow equipment earlier, be pressed into stake in the hole, this method can adopt at northern area; Because moisture content less in the soil, the hole can be shaped, but in southern Yangtze River Delta Area; Water content is higher in the soil; Draw the hole and just can't be shaped, stake just can't be squeezed into, the also easy off normal of stake simultaneously.When stake was longer, boring extracting soil just was difficult to carry out, and fetches earth the most deeply at present and also can only arrive about 30 meters; 4, another kind of pile foundation is the bored pile method: this method is a stake machine subdrilling hole on the ground; In the hole, irritate the steel bar concrete "forming column again, have that cost height, long in time limit, quality not only are difficult to guarantee and drilled pile but also have a large amount of mud to produce, mud is disposed and is difficult to; A large amount of mud all is disposed in the river, in the lake, in the sea, in the sewer; Size creek, sewer are stopped up by mud, and government's annual cleaning sewer and creek mud expense are huge, cause great pollution; But subway limit, river levee limit, limit, tunnel, super highrise building, high ferro foundation pile in the urban centre do not have crowded soil when promptly bearing capacity is big and can only adopt the bored pile method at present.

Summary of the invention

The utility model overcomes the deficiency of above several kinds of pile-sinking method; Can replace present pile sinking device fully; Make the middle pick prestressed centrifugally pile tube pile sinking host apparatus that can press centrifugal pile tube in the urban centre, the method has changed several kinds of pile-sinking method in the past, is not directly to squeeze into stake in the soil; But directly take out soil with the drilling rod that fetches earth at the center in stake when stake is pressed in the soil, and the soil that will take out simultaneously reclaims through collection box.

The utility model be achieved in that a kind of in pick prestressed centrifugally pile tube pile sinking host apparatus, comprise main frame, be installed in that hoist engine, unit head, oil pressure on the main frame draws anchor device, is pressed into oil cylinder, the case that fetches earth, pulley, wire rope; Described unit head, collection box, oil pressure draw anchor device all to be connected on the main frame; Described unit head upper end is equipped with pulley, and described pulley is connected with wire rope, and described wire rope is connected with hoist engine through the main frame top; Described unit head below is connected with the drilling rod that fetches earth; The described drilling rod that fetches earth passes that oil pressure draws anchor device, the case that fetches earth, pile cover, centrifugal pile tube arrive bottom of device, and described oil pressure draws anchor device to be connected with unit head, and described being pressed into is installed in oil pressure on the oil cylinder and draws on the anchor device; The lower end is connected with the case that fetches earth; The described oil cylinder that is pressed into is realized expanding-contracting action through oil pressure, and the described case lower end of fetching earth is connected with pile cover, and centrifugal pile tube is laid in described pile cover lower end.

Described main frame comprises two kinds of crawler type and walkings, and wherein walking comprises two kinds of guide rod type and columns, and the crawler type main frame is flexible, and walking and ground contact surface are big, can sink big and dark stake.

The utlity model has following remarkable advantages and beneficial effect:

1) this device has low cost, high benefit, noiselessness, free of contamination characteristics;

2) through the case that fetches earth soil is collected, embodied the civilization degree of construction, guarantee safety of construction, the feature of environmental protection;

3) with centrifugal pile tube, realized not having the soil of squeezing, no mud in the time of through digging;

4) main frame can be used crawler type and walking, is suitable for various pile sinking occasions.

Description of drawings

Fig. 1 is the side schematic view of pick prestressed centrifugally pile tube pile sinking host apparatus in the utility model;

Fig. 2 is the connection sketch map of the front parts of pick prestressed centrifugally pile tube pile sinking host apparatus in the utility model.

Wherein: the 1-main frame; The 2-unit head; The 3-oil pressure draws anchor device; 4-is pressed into oil cylinder; The 5-case that fetches earth; The centrifugal pile tube of 6-; The 7-drilling rod that fetches earth; The 8-wire rope; The 9-hoist engine; The 10-pile cover; The 11-pulley.

The specific embodiment

A kind of middle pick prestressed centrifugally pile tube pile sinking host apparatus shown in Fig. 1-2; Comprise main frame 1, be installed in that hoist engine 9, unit head 2, oil pressure on the main frame 1 draws anchor device 3, is pressed into oil cylinder 4, the case 5 that fetches earth, pulley 11, wire rope 8, described unit head 2, collection box 5, oil pressure draw anchor device 3 to be installed on the main frame 1, described unit head 2 upper ends are equipped with pulley 11; Described pulley 11 is connected with wire rope 8; Described wire rope 8 is connected with hoist engine 9 through main frame 1 top, and described unit head 2 belows are connected with the drilling rod 7 that fetches earth, and the described drilling rod 7 that fetches earth passes that oil pressure draws anchor device 3, the case 5 that fetches earth, pile cover 10, centrifugal pile tube 6 arrive bottom of device; Described oil pressure draws anchor device 3 and unit head 2 affixed; Described oil cylinder 4 upper ends that are pressed into are installed in oil pressure and draw on the anchor device 3, and the lower end is connected with the case 5 that fetches earth, and the described oil cylinder 4 that is pressed into is realized expanding-contracting action through oil pressure; Described case 5 lower ends of fetching earth are connected with pile cover 10, and centrifugal pile tube 6 is laid in described pile cover 10 lower ends.

The utility model is to implement like this: insert the drilling rod 7 that fetches earth that is connected with unit head 2 in the stake hole of centrifugal pile tube 6, centrifugal pile tube 6 is withstood on the pile cover 10; Drive the drilling rod 7 that fetches earth through unit head 2 and rotate, fetch earth through the drilling rod 7 that fetches earth, the drilling rod 7 that will fetch earth is toward underground rotation; Be pressed into oil cylinder 4 simultaneously and shrink, centrifugal pile tube 6 keeps motionless state, and unit head 2 stops operating; This moment, the drilling rod 7 that fetches earth had certain earth-grasping force, is pressed into oil cylinder 4 through elongation because the drilling rod 7 that fetches earth pierces the ground next part; Oil cylinder 4 upper ends and unit head 2 affixed oil pressure draw anchor device 3 because the earth-grasping force of the drilling rod 7 that fetches earth being pressed into; Make oil pressure draw anchor device 3 can't on move, fetch earth like this case 5 and pile cover 10 have formed the piling action owing to the elongation active force that is pressed into oil cylinder 4 moves down; The centrifugal pile tube 6 of first segment is pressed in the soil, and the soil that reclaims in the case 5 that fetches earth transports through plant equipment; The unit head 2 and the drilling rod 7 that fetches earth are broken away from; The pulley 11 that drives unit head 2 upper ends through hoist engine 9 rotates; Driving unit head 2 up moves; Slinging with the crawler belt loop wheel machine is installed with second joint drilling rod 7 that fetches earth in the centrifugal pile tube 6 of the centrifugal pile tube of second joint 6, the second joints, and second joint drilling rod 7 that fetches earth is connected on the unit head 2; Centrifugal pile tube 6 of first segment and the centrifugal pile tube 6 of second joint are connect through being weldingly connected;

Weld full, the imporosity, the compliant requirement, passed examination continues the step 6 action, can insert the centrifugal pile tube of the 3rd joint 6, the centrifugal pile tube 6 of the 4th joint as required in order to last method equally.

What should explain at last is: above embodiment only in order to the explanation the utility model and and the described technical scheme of unrestricted the utility model; Therefore, although this manual has carried out detailed explanation to the utility model with reference to each above-mentioned embodiment,, those of ordinary skill in the art should be appreciated that still and can make amendment or be equal to replacement the utility model; And all do not break away from the technical scheme and the improvement thereof of the spirit and the scope of utility model, and it all should be encompassed in the middle of the claim scope of the utility model.

Claims

1. middle pick prestressed centrifugally pile tube pile sinking host apparatus; Comprise main frame, be installed in that hoist engine, unit head, oil pressure on the main frame draws anchor device, is pressed into oil cylinder, the case that fetches earth, pulley, wire rope; It is characterized in that: described unit head, collection box, oil pressure draw anchor device all to be connected on the main frame; Described unit head upper end is equipped with pulley, and described pulley is connected with wire rope, and described wire rope is connected with hoist engine through the main frame top.

2. pick prestressed centrifugally pile tube pile sinking host apparatus in according to claim 1; It is characterized in that: described unit head below is connected with the drilling rod that fetches earth, and the described drilling rod that fetches earth passes that oil pressure draws anchor device, the case that fetches earth, pile cover, centrifugal pile tube arrival bottom of device.

3. pick prestressed centrifugally pile tube pile sinking host apparatus in according to claim 1; It is characterized in that: described oil pressure draws anchor device and unit head affixed; The described oil cylinder upper end of being pressed into is installed in oil pressure and draws on the anchor device; The lower end is connected with the case that fetches earth, and the described oil cylinder that is pressed into is realized expanding-contracting action through oil pressure, and the described case lower end of fetching earth is connected with pile cover.