CN2055863U

CN2055863U - Multifunctional engineering drilling machine

Info

Publication number: CN2055863U
Application number: CN 89211135
Authority: CN
Inventors: 万泽仁
Original assignee: YIXING CITY FANDAO WATER CONSERVANCY PROJECT EQUIPMENT FACTORY
Current assignee: YIXING CITY FANDAO WATER CONSERVANCY PROJECT EQUIPMENT FACTORY
Priority date: 1989-02-21
Filing date: 1989-02-21
Publication date: 1990-04-11

Abstract

The utility model relates to a multifunctional engineering drilling machine. The integrated improvement can be carried out on the basis of the spiral drilling machine. A drill rod and an output shaft are hollow round rods. The drill rod is sheathed with a drill bit casing tube. The drill bit casing tube and the drill rod is provided with rotary clutch structures. The drill bit casing tube is provided with the lifting device of the winding engine. The replacement of the drill bit and the elimination of the mud on the drill bit are convenient. The multifunctional engineering drilling machine can replace the long and the short spiral drilling machines, the large kettle cone drilling machine, and the punching and grabbing drilling machine to drill various soil layers. The efficiency of the engineering drilling machine is raised.

Description

Multifunctional engineering drilling machine

The utility model is a kind of engineering driller that is used for castinplace pile and well-digging construction.

At present, engineering driller mainly contains following several: 1, positive and negative circulation drilling machine, form by frame, chassis, unit head, hoist engine, water tap, water pump (or slush pump, pulper), drilling rod, drill bit etc., drilling rod is hollow, water flowing and mud, the drilling rod epimere draws the journey drilling rod and passes the interior main tapping of unit head, can rotate with main tapping and slide up and down, draw the journey drilling rod and drive the drilling rod rotation that connects down, drilling rod drives the drill bit that is installed in the end, drill bit rotates and cuts soil, and in drilling process, drilling rod can constantly extend.Use circulation drill, water or mud flow to the boring end by the drilling rod upper end, are cut the soil layer that gets off by drill bit and overflow ground with the mud form from hell, use clean-out machine, then opposite, boring bed mud slurry is pumped up by the drilling rod lower end under the air compressor machine effect, flows to ground again.The shortcoming of this rig is that drill pressure is little, and work efficiency is low, can not be used for creeping into of sand gravel soil layer, and causes mud contamination ground.2, diving drill machine, it is formed basically with positive and negative circulation drilling machine, different is not have drilling rod, only be torque arm, unit head places in the boring, directly drives drill bit, water is delivered to the boring end by other leather hose, the shortcoming of this machine is that motor easily burns in boring, can not drill through the sand gravel soil layer, causes mud contamination ground.3, long and short spiral drilling machine, form by frame, chassis, unit head, helical blade drilling rod, its unit head places on the frame slide rail, can be with creeping into upper and lower slip, and ground there is pressure, the helical blade drilling rod is connected on the unit head force-output shaft, is driven to rotate by unit head and cuts soil, and in drilling process soil is pushed into ground.Along with creeping into, continuous extension arm.Because be covered with helical blade on the drilling rod, rotational resistance is bigger, so drilling depth and pore size be subjected to the restriction of power, and the aperture can not arbitrarily change, and can't creep into gravel soil layer and soft rock.4, dash and to grab rig, by frame, hoist engine, forms towards grappling fixture, towards grappling fixture extracting gravelly soil, the hoist engine lifting is towards grappling fixture.Impact endurance test shock is big in this machine construction, noise is big, and pore-forming is irregular, and facility are fragile.5, cauldron bradawl machine is made up of frame drilling rod, cauldron miser, and by manual operation, work efficiency is very low, can't creep into layer of gravel and lithosphere.

More than several rig function singlenesses, bad adaptability, various soil layers need want more bit change with different drill bits when creeping into, the drilling rods in must all borings of dismounting will be withs the drill bit drilling rod to put on ground, very time-consuming take a lot of trouble influences rate of penetration and effect.

The purpose of this utility model is, at the deficiency of existing various rigs, based on spiral drilling machine, comprehensively improves, and a kind of multifunctional engineering drill that can the various soil layers of adaptation is provided.

Composition of the present utility model comprises frame, chassis, unit head, drilling rod, hoist engine, water tap, water pump (or slush pump pulper), unit head places on the frame slide rail, the drilling rod lower end is screwed pointed cone, its technical solution is as follows: 1, the force-output shaft with jointed rod in the spiral drilling machine unit head changes hollow circular-tube into by solid shafting, also change drilling rod into hollow circular-tube, water tap places the force-output shaft top, makes rig can make positive and negative circulation drilling machine and diving drill machine usefulness.2, (the drilling rod lower end is the same with existing various drilling rods to remove helical blade on the spiral drilling machine drilling rod, keep the screw thread pointed cone), design a kind of bit sleeve that can be enclosed within on the drilling rod, bushing outer surface welds certain drill bit, select the bit sleeve that is welded with different drill bits for use at boring soil layer, there is the rotation clutch structure bit sleeve and drilling rod lower end, the rotation of drilling rod positive direction, bit sleeve is stuck in the drilling rod lower end automatically, rotates with drilling rod and cuts soil, drilling rod opposite spin, bit sleeve breaks away from the drilling rod lower end automatically, with hoist engine bit sleeve is risen to ground then, on the one hand can be fast bit change more, can extract the soil that drills through on the drill bit easily on the one hand.In order to make the elevator function directly promote bit sleeve, on bit sleeve, also be provided with the hoist engine lifting appliance.

With reference to the accompanying drawings and in conjunction with the embodiments the utility model is described in detail.

Fig. 1 is the utility model overall structure schematic diagram.

Fig. 2 is bit sleeve and drilling rod lower end rotation clutch structure schematic diagram.

Fig. 3 is a hoist engine lifting appliance schematic diagram on the bit sleeve.

Fig. 4 is a helical blade bit sleeve schematic diagram.

As shown in Figure 1, the utility model comprehensively improves on the basis of spiral drilling machine, unit head 4 is housed on the frame 1, unit head can move on the frame slide rail, the force-output shaft 3 of jointed rod 5 is a hollow circular-tube in the unit head, drilling rod 5 also is a hollow circular-tube, water tap 2 is installed in the force-output shaft top, water tap water pump or slush pump, and drilling rod 5 is subjected to the control of leading truck 7 on the frame, hoist engine 6 is installed on the chassis 9, the drilling rod lower end is screwed pointed cone 12, and bit sleeve 11 is enclosed within on the screw thread pointed cone of drilling rod lower end, and the bit sleeve internal diameter is slightly larger than the drilling rod external diameter, its external surface can weld required various drill bits, 11 external weldings of figure middle sleeve be fish tail bit 13, bit sleeve and drilling rod lower end have the rotation clutch structure 14, see Fig. 2 explanation for details, have hoist engine lifting appliance 10 on the bit sleeve, see Fig. 3 explanation for details.8 is removable cover among the figure.

As shown in Figure 2, bit sleeve and drilling rod rotation clutch structure comprise the location pin 15 that is fixed on drilling rod 5 screw thread pointed cones, 12 tops and stretches out along a certain radially two ends of drilling rod cross section, and from bit sleeve lower end bisection circumference opening, two helicla flutes 16 that direction of rotation is opposite with the screw thread pointed cone, the helicla flute width is greater than the location cotter diameter, and bottom land is a circular arc.The installation bit sleeve is very convenient, bit sleeve is enclosed within on the drilling rod, when drilling rod just changes, location pin 15 is risen by the rotation of helicla flute 16 opening parts, trench bottom to circular arc, at this moment bit sleeve is stuck on the pin of location, fuse with drilling rod, cut soil with the drilling rod rotation, when needs promote drill bit, several circles only need reverse drilling rod, location pin 15 slides to outside the notch under helicla flute, so bit sleeve and drilling rod disengage, by hoist engine bit sleeve is promoted to ground again, or bit change more, or go out the soil that drill bit to the greatest extent gets and continue to creep into.

As shown in Figure 3, hoist engine lifting appliance on the bit sleeve is by two ring plates 22,24 that are fixed on bit sleeve 11 tops, be enclosed within two

plane bearings

17,18 between two ring plates of bit sleeve, two hangers 19 of bearing holder (housing, cover) 20, connecting axle bearing sleeve are formed, the upward circle of plane bearing 18 closely cooperates with bit sleeve 11 with the following circle of plane bearing 17 and contacts, the upward circle of the following circle of plane bearing 18 and plane bearing 17 closely cooperates with bearing holder (housing, cover) 20 and contacts, and connects wire rope on the hanger 19 and links to each other with ground hoist engine.21 is the plane bearing steel ball among the figure.When bit sleeve rotates, closely cooperate the following circle of going up circle and plane bearing 17 of the plane bearing 18 that contacts along with rotation with bit sleeve, because steel ball rotates flexibly in the bearing, so go up circle and bearing holder (housing, cover) 20, hanger 19 not along with rotation with bearing holder (housing, cover) 20 closely cooperates the following circle of the plane bearing 18 that contacts and plane bearing 17, therefore the wire rope that lifts by crane usefulness can not be wrapped on the drilling rod, whenever promote bit sleeve at needs, hoist engine can both directly promptly lift by crane, save the operating time, accelerate the rig rate of penetration.

As shown in Figure 4, the utility model is transplanted to the drilling rod form of spiral drilling machine on the bit sleeve, promptly welds a few circle helical blade drill bits 23 at bit sleeve 11 external surfaces, and the helical blade diameter can be 0.4～1.2 meter.Be welded with 3 to 5 reinforcing bar 25(or narrow steel discs with bit sleeve central axis coplane in the helical blade outer end, the both sides up and down of narrow steel disc overlap with the helical blade outer end), its effect is that soil and drill hole wall that drill bit drills through are separated, and is convenient to extract the drill bit of band soil.5 is drilling rod among the figure.

The utility model bit sleeve outer surface can weld the drill bit of various engineering drillers, as making positive and negative circulation drilling machine and creep into fish tail bit, three leaf drill bits, the concentric drill bit of three leaves, alloy bottoming drill being first-class, water or mud flowed down or pressed through hollow force-output shaft and drilling rod this moment, 13 kilowatts/10 kilowatts that rig uses of and it is 4 utmost points/6 utmost point double-speed motors of power. General argillic horizon per hour can creep into, 9～15 meters, and bore diameter can reach 0.6～1.8 meter, bores deeply to reach 50～70 meters, and the soft rock layer is selected alloy bit, and bore diameter can reach 1.2 meters. Cauldron miser, cage cobble stone, boulder drill bit, helical blade drill bit are as the tapered drilling operation of cauldron, with promoting doing of bit sleeve Method is got dry ground in ground, mud-less pollution, can creep into clay, sand, sand gravel, erratic boulder ground, bore diameter can reach 1.2 meters, sub-clay layer per hour creeps into 5 meters, sand gravel erratic boulder ground per hour creeps into 2.5 meters, 13 kilowatts/10 kilowatts that rig uses of and it is 4 utmost points/6 utmost point double-speed motors of power. Therefore, the utility model can replace punching to grab rig and creep into sand gravel, soft rock layer, not only not have punching to grab the very big vibration of rig and noise, and saves manpower, the raising effect.

Claims

1, a kind of on the spiral drilling machine basis comprehensive improved multifunctional engineering drill, its composition comprises frame, chassis, unit head, drilling rod, hoist engine, water tap, water pump (or slush pump, pulper), unit head places on the frame slide rail, the drilling rod lower end is screwed pointed cone, it is characterized in that:

(1) force-output shaft of jointed rod is hollow pipe in drilling rod, the unit head, and water tap is positioned at the force-output shaft top,

(2) have bit sleeve, its internal diameter is slightly larger than the drilling rod external diameter, and its external surface is welded with drill bit, and bit sleeve and drilling rod have the rotation clutch structure, has the hoist engine lifting appliance on the bit sleeve.

2, multifunctional engineering drill according to claim 1, it is characterized in that bit sleeve and drilling rod rotation clutch structure comprises the location pin that is fixed on drill rod thread pointed cone top and stretches out along a certain radially two ends of drilling rod cross section, and from bit sleeve lower end bisection circumference opening, two helicla flutes that direction of rotation is opposite with the screw thread pointed cone, the helicla flute width is greater than the location cotter diameter, and bottom land is a circular arc.

3, multifunctional engineering drill according to claim 1, it is characterized in that hoist engine lifting appliance on the bit sleeve is by two ring plates that are fixed on bit sleeve top, two hangers that are enclosed within two plane bearings between two ring plates of bit sleeve, bearing holder (housing, cover), connecting axle bearing sleeve are formed, and the upper and lower circle of plane bearing closely cooperates with bit sleeve with bearing holder (housing, cover) respectively and contacts.

4, multifunctional engineering drill according to claim 1, the drill bit that it is characterized in that being welded in the bit sleeve external surface can be various engineering driller drill bits, and the helical blade drill bit, be welded with 3 to 5 reinforcing bars (perhaps narrow steel disc) with bit sleeve central axis coplane in the helical blade outer end.