CN205117212U - Drilling tool is dug soon to energy -conserving plunger type of hard rock - Google Patents

Abstract

The utility model discloses a drilling tool is dug soon to energy -conserving plunger type of hard rock. Digging the drilling tool soon and including the drive shaft, its bottom dress divides the headstock and installs a plurality of picks or the gear wheel on minute headstock, the suit is axle bed, lower axle bed on the drive is epaxial, and a fixed main part drilling tool section of thick bamboo of going up outside axle bed, the lower axle bed protects, go up the axle bed and protect fixed linking to each other with the drilling tool respectively with lower axle bed, the drive shaft can be relatively should go up rotary motion about axle bed and the axle bed down, the drive shaft overcoat is equipped with has cooling stock solution jar, upward be equipped with liquid inlet channel in the axle bed, be equipped with the cooling passage in the drive shaft, be equipped with the stock solution passageway down in the axle bed, be equipped with liquid channel on the branch headstock. The utility model discloses make coolant liquid can reach pick or gear wheel position, the cooling, lubricated effect is very ideal.

Description

A kind of hard rock energy-saving plunger type rotary drill tools

Technical field

The utility model relates to a kind of hard rock energy-saving plunger type rotary drill tools, belongs to Spiral digging machine Foundation Design field.

Background technology

Making a general survey of present stage revolves and digs engineering field, Spiral digging machine drilling tool to hard micro-weathered rock formation and non-weathered rock formation, consume a large amount of pick or gear wheel in construction while pick or gear wheel extremely difficulty enter rock.Still do not have at present to capture effectively fast the gentle breezeization of 90MPa to 250MPa and non-weathered rock formation (as granite, diabase, basalt, andesite, fiber crops stone rock, quartzite, cherty limestone, marble, dolomite, Wu Shibanyan) drilling tool, more do not appear at when not expanding job site (as people's excavation etc.), guarantee that nature rock stratum is not quaked loose, high standard can complete the construction approach of working design index again.

Chinese patent CN201420218217.5 discloses the multi-functional rock of wearing of a kind of water injection type change tooth and bores, as shown in Figure 5, its driving shaft and dress axle bed on the driving shaft, upper balance pin, and drilling tool casing is combined.Its sleeve block is at connecting screw rod (guide finger) together with driving shaft, and upper balance pin, does upper and lower guiding movement with the gathering sill on the guide cylinder be fixed on lower bottom door and casing wall along drilling tool casing, and driving shaft does static balance rotary motion simultaneously.Cooling passage is provided with in its central axis seat and driving shaft.This form of structure is stored up in casing owing to splitting constantly filling out of stone with brill in construction, causes axle bed and drilling tool casing, guide cylinder, there is relative motion, cause cooling tube to be wound and twist off and make cooling failure between driving shaft because the stifled card of stone.

Utility model content

In order to thoroughly overcome existing driving arm and drilling tool casing, there is relative motion between balance plunger to be wound around cooling tube and to twist off and cannot the deficiency of operation, the utility model aims to provide one and rotates in conjunction with transmission machinery spindle balance guiding, the hard rock energy-saving plunger type rotary drill tools of plunger stretching motion principle, the axle bed of this trepanning drilling tool and main body, barrel is fixedly linked, axle bed and drilling tool barrel do not do rotation relative to driving shaft and move up and down, and thoroughly avoid any threat except stepping on the hole side of stepping on and be artificial in work progress.

To achieve these goals, the technical scheme that the utility model adopts is:

A kind of hard rock energy-saving plunger type rotary drill tools, comprises

-driving shaft, its bottom dress point headstock and the multiple pick be arranged on point headstock or gear wheel;

-suit upper axle bed on the driving shaft and lower axle bed; And

-overlap the drilling tool casing loaded onto outside axle bed and lower axle bed; Its design feature is:

Described upper axle bed and lower axle bed are fixedly linked with drilling tool casing respectively, and described driving shaft can axle bed and the upper and lower rotary motion of lower axle bed on this relatively; Be set with outside described driving shaft and have cooling liquid storage cylinder, be provided with feed pathway, be provided with cooling passage in described driving shaft in described upper axle bed, be provided with liquid storage passage in described lower axle bed, described point of headstock is provided with liquid outlet channel; When driving shaft moves to top dead centre, described feed pathway, cooling duct and liquid outlet channel are through successively; When driving shaft moves to lower dead center, described feed pathway, cooling liquid storage cylinder, liquid storage passage, cooling duct and liquid outlet channel are through successively.

Thus, during work, upper axle bed and lower axle bed maintain static with drilling tool casing respectively, and driving shaft rotates relative to the affected dynamic equilibrium of upper axle bed, lower axle bed and drilling tool casing and moves up and down; Cooling fluid injects feed pathway, cooling liquid storage cylinder, cooling duct and liquid outlet channel, then through pick or gear wheel position, perfection creates cryogenic conditions in construction (40 DEG C-60 DEG C), revolutionizes drilling tool casing wall, pick or the Cooling and Lubricator effect between gear wheel and rock further.

According to embodiment of the present utility model, can also do further to optimize to the utility model, the technical scheme below for being formed after optimization:

According to embodiment of the present utility model, described cooling duct is communicated with described cooling liquid storage cylinder by the intercommunicating pore be arranged in the middle part of driving shaft; The setting position of described intercommunicating pore is, when driving shaft moves to top dead centre and lower dead center, intercommunicating pore is all between upper axle bed top end face and lower axle bed bottom face.

In order to ensure best cooling effect, described liquid outlet channel is communicated with the fluid hole being arranged on each pick or gear wheel side.

Preferably, the inlet of described feed pathway is by being equipped with pipeline and the feed liquor system connectivity of liquid feed valve.

In order to ensure to connect reliably, described driving shaft top is fixedly connected with square head, is also provided with latch insurance between driving shaft and square head.Described latch insurance is the link being contained in driving shaft and square head connecting portion, and it is fastening that square head and driving shaft are carried out secondary by this link.

Preferably, described point of headstock be vertical interlaced formula four or six or multipole separately, this four or six or multipole separately in liquid outlet channel uniformly to communicate.

As a kind of form of structure, described cooling liquid storage cylinder is by cooling liquid storage cylinder inwall and driving shaft outer wall is formed.

Compared with prior art, the beneficial effects of the utility model are: the utility model is in conjunction with mechanical transmission structure dynamic equilibrium, driving shaft guiding Principle of Rotating precession acting action, the environment of zero distance contact in time entering patrous apex area rapid wear instrument to reach acting is oozed in the spray of configuration water coolant, in addition whole enter in rock dynamic acting motion process drilling tool body do not rotate, having captured drilling rod in traditional construction operation must drive heavy overall drilling tool to complete the operating type of precession by force, overcome pick and gear wheel drilling depth acting working surface and drilling tool bottom 20-40 centimetre high by the adverse circumstances of zero distance of cannot going directly because of magma and mud block water cooling fluid, make user on the basis having middle-size and small-size Spiral digging machine, configure this equipment different model drilling tool, coupling high-quality pick or gear wheel just can easily realize efficiently, energy-conservation, the advanced innovative idea of dustless three elements, thus create both free from dust pollutions, save pick or gear wheel loss again, save fuel consume, save drilling tool maintenance cost, reduce the numerous labour intensity of secondary power frequency, make the desirable efficiency of the free and relaxed operation of Spiral digging machine hand, have than traditional construction operating efficiency and improve significantly at double.

Below in conjunction with drawings and Examples, the utility model is further elaborated.

Accompanying drawing explanation

Fig. 1 is the structure principle chart (state diagram before acting) of the utility model embodiment;

Fig. 2 is the state diagram during Fig. 1 does work;

Fig. 3 is the state diagram after Fig. 1 does work;

Fig. 4 is four or six parted hairs described in the utility model;

Fig. 5 is the structure principle chart of prior art.

In the drawings

1-square head; 2-insures; 3-driving shaft; 4-drilling tool body; 5-water intaking valve; 6-drilling tool casing; The upper axle bed of 7-; 8-cools liquid storage cylinder; 9-cleaning excretion bolt; 10-lower support arm; Axle bed under 11-; 12-clutch is convex; 13-divides headstock; Bottom door under 14-; 15-pick or gear wheel; 16-cooling duct; 17-cools liquid storage cylinder; 18-feed pathway; 19-liquid outlet channel; 20-intercommunicating pore.

Detailed description of the invention

A kind of hard rock energy-saving plunger type rotary drill tools, as Figure 1-3, comprises the driving shaft 3 that point headstock 13 is equipped with in bottom, is contained in the clutch convex 12 on driving shaft 3, and hold the drilling tool casing 6 be fixed on outside axle bed 7 and lower axle bed 11.Described upper axle bed 7 and double as the recessed lower axle bed 11 of clutch and be fixedly linked with drilling tool casing 6 respectively, described driving shaft 3 can relatively on this axle bed 7 move up and down with the lower axle bed 11 doubling as clutch recessed; Be set with the cooling liquid storage cylinder 8 with cooling liquid storage cylinder 17 outside described driving shaft 3, be provided with feed pathway 18 in described upper axle bed 7, be provided with cooling duct 16 in described driving shaft 3, described point of tooth device (pick box or gear wheel seat) 13 is provided with liquid outlet channel 19; Described feed pathway 18, cooling liquid storage cylinder 17, cooling duct 16 are communicated with successively with liquid outlet channel 19.Described point of headstock 13 is equipped with multiple pick or gear wheel 15, liquid outlet channel 19 is communicated with the fluid hole being arranged on each pick or gear wheel 15 side.The inlet of feed pathway 18 is by being equipped with pipeline and the feed liquor system connectivity of liquid feed valve 5.

Described cooling duct 16 is communicated with described cooling liquid storage cylinder 17 by the intercommunicating pore 20 be arranged in the middle part of driving shaft 3; The setting position of described intercommunicating pore is, when driving shaft 3 moves to top dead centre and lower dead center, intercommunicating pore 20 is all at upper axle bed 7 top end face and double as between recessed lower axle bed 11 bottom face of clutch.

After acting, described drilling rod rotates and is pulled to the driving shaft clutch convex 12 lower axle bed 11 recessed with doubling as clutch when combining, and proposition drilling tool, trembles and unload building stones in casing.

Can replace, when driving shaft 3 moves to top dead centre, described cooling duct 16 is directly communicated with feed pathway 18.

Described driving shaft 3 top is fixedly connected with square head 1, between driving shaft 3 and square head 1, be also provided with insurance 2.As shown in Figure 4, described point of headstock 13 is vertical interlaced formula four or six parted hair, and the liquid outlet channel in this multipole parted hair is interconnected.When user runs into half rock and little solution cavity, only need change cross head (four or six separately) or how separately to enter rock, interior parted hair minor diameter snatch can be utilized to enter the feature of rock, than traditional work instrument and the construction method of leaning on the correction of tuningout mast, greatly change into chi operating pressure.By extrusion cladding drilling bucket, Double bottom drags for sand hopper, and bucket drilling bucket is repaired, thus there will not be the phenomenon of sluice gate and the distortion of bucket wall.Effective duty improved solution cavity and half rock and be difficult to pore-forming.Get stamen drilling bucket than conventional composite both to increase work efficiency, greatly can fall again end subscriber equipment cost of investment several times.

When each producer Spiral digging machine uses in this high-efficient energy-saving environment friendly hard rock dedicated columns plug water-cooling type Spiral digging machine trepanning drilling tool process, only need medium oil consumption, driving machine lock drilling rod, the driving shaft steadily rotating hundreds of kilogram is at the uniform velocity rotated into rock, injects cooling water and just can realize hole stake sizing and tunnel.In the working range using this product design, cooling water spray oozes mode as lathe leaching infiltration type of cooling during machining, guarantee that cutlery does not turn blue unannealed never degenerating, make rotary drill drag for sand work cycle pick or roller drill and to guarantee that under normal temperature state long-time circulation is normal and use.Reduce their reasonable loss to greatest extent.

Now be designed with four kinds of specifications, eight models, for the hard rock of 90-250 MPa, construction method is: for little drilling tool major diameter hole, in order to both alleviate large aperture stake holes to enter rock pressure strong, save again drilling tool cost of investment and can take segmentation encirclement method.Now for JIJM800 drilling tool, design the best scope of application to use in the hole stake of Φ 800 Φ 1400 Φ 1500 Φ 1600MM diameter, when the pile driving construction operation of Φ 1400 hole, first in Φ 1400 scope, left and right is bored two symmetries and is waited deep hole, then bores with Φ 1400 letter or drags for sand hopper and pull residual chad out.And Φ 1500/1600 just must first rotary drill three isosceles triangle halving holes, then directly drag for sand hopper with Φ 1500/ Φ 1600 and pull out and just become standard hole shape.So incremental successively, do not limit by the degree of depth.

Design is directly used in this large equipment of Φ 2500/ Φ 3000 large aperture construction, manufacturing process can be guaranteed to improve construction environment, and manufacturing cost is certainly high, and frequency of utilization is also not too high.Adopt segmentation encirclement method just can solve the hole stake of Φ 2800-Φ 3000 as used JIJM1200-2 type.

The content that above-described embodiment is illustrated should be understood to these embodiments only for being illustrated more clearly in the utility model, and be not used in restriction scope of the present utility model, after having read the utility model, the amendment of those skilled in the art to the various equivalent form of value of the present utility model has all fallen into the application's claims limited range.

Claims (7)

1. a hard rock energy-saving plunger type rotary drill tools, it comprises

-driving shaft (3), its bottom is equipped with and is arranged on multiple pick on a point headstock (13) or gear wheel (15);

-be sleeved on upper axle bed (7) on driving shaft (3) and lower axle bed (11); And

-cover loads onto axle bed (7) and lower axle bed (11) drilling tool casing (6) outward; It is characterized in that:

Described upper axle bed (7) and lower axle bed (11) are fixedly linked with drilling tool casing (6) respectively, and described driving shaft (3) can axle bed (7) and lower axle bed (11) rotary motion up and down on this relatively; Be set with outside described driving shaft (3) and there is cooling liquid storage cylinder (8), feed pathway (18) is provided with in described upper axle bed (7), cooling passage (16) is provided with in described driving shaft (3), be provided with liquid storage passage in described lower axle bed (11), described point of headstock (13) is provided with liquid outlet channel (19); When driving shaft (3) moves to top dead centre, described feed pathway (18), cooling duct (16) and liquid outlet channel (19) are through successively; When driving shaft (3) moves to lower dead center, described feed pathway (18), cooling liquid storage cylinder (17), liquid storage passage, cooling duct (16) and liquid outlet channel (19) are through successively.

2. hard rock energy-saving plunger type rotary drill tools according to claim 1, is characterized in that, described cooling duct (16) are communicated with described cooling liquid storage cylinder (17) by the intercommunicating pore (20) being arranged on driving shaft (3) middle part; The setting position of described intercommunicating pore is, when driving shaft (3) moves to top dead centre and lower dead center, intercommunicating pore (20) is all positioned between axle bed (7) top end face and lower axle bed (11) bottom face.

3. hard rock energy-saving plunger type rotary drill tools according to claim 1 or 2, is characterized in that, described liquid outlet channel (19) is communicated with the fluid hole being arranged on each pick or gear wheel (15) side.

4. hard rock energy-saving plunger type rotary drill tools according to claim 1 or 2, is characterized in that, the inlet of described feed pathway (18) is by being equipped with pipeline and the feed liquor system connectivity of liquid feed valve (5).

5. hard rock energy-saving plunger type rotary drill tools according to claim 1 or 2, is characterized in that, described driving shaft (3) top is fixedly connected with square head (1), is also provided with latch and insures (2) between driving shaft (3) and square head (1).

6. hard rock energy-saving plunger type rotary drill tools according to claim 1 or 2, is characterized in that, described point of headstock 13) be vertical interlaced formula four or six or multipole separately, this four or six or multipole separately in liquid outlet channel uniformly to communicate.

7. hard rock energy-saving plunger type rotary drill tools according to claim 1 or 2, is characterized in that, described cooling liquid storage cylinder (17) is made up of cooling liquid storage cylinder (8) inwall and driving shaft (3) outer wall.