CN106522844A - Cross-shaped impact drill bit structure, rotary excavating machine drill bit comprising same and application of rotary excavating machine drill bit - Google Patents
Cross-shaped impact drill bit structure, rotary excavating machine drill bit comprising same and application of rotary excavating machine drill bit Download PDFInfo
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- CN106522844A CN106522844A CN201610991776.3A CN201610991776A CN106522844A CN 106522844 A CN106522844 A CN 106522844A CN 201610991776 A CN201610991776 A CN 201610991776A CN 106522844 A CN106522844 A CN 106522844A
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- 238000005553 drilling Methods 0.000 claims abstract description 97
- 239000011435 rock Substances 0.000 claims description 33
- 210000003371 toe Anatomy 0.000 claims description 28
- 241001074085 Scophthalmus aquosus Species 0.000 claims description 11
- 239000002893 slag Substances 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 15
- 230000000087 stabilizing effect Effects 0.000 abstract 4
- 238000000034 method Methods 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000005755 formation reaction Methods 0.000 description 5
- 230000005484 gravity Effects 0.000 description 5
- 230000035515 penetration Effects 0.000 description 4
- 238000005381 potential energy Methods 0.000 description 4
- 238000004080 punching Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 206010003671 Atrioventricular Block Diseases 0.000 description 2
- 208000010271 Heart Block Diseases 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000013467 fragmentation Methods 0.000 description 2
- 238000006062 fragmentation reaction Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000002337 anti-port Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/36—Percussion drill bits
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B3/00—Rotary drilling
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a cross-shaped impact drill bit structure. The cross-shaped impact drill bit structure comprises a drill bit body, a clamping hole wall stabilizing plate, a bashing body and an elastic device. The drill bit body comprises a drilling body and a square drilling head vertically connected with the drilling body. A first pressure plate and a second pressure plate are arranged on the outer wall of the square drilling head. A protrusion block is arranged on the upper surface of the drilling body. The clamping hole wall stabilizing plate is located between the first pressure plate and the second pressure plate. An eccentric block is fixed in the side wall of the clamping hole wall stabilizing plate through a pin. A bashing rod via hole is further formed in the clamping hole wall stabilizing plate. The bashing body comprises a basic hammer and a bashing rod located at the bottom of the basic hammer. The elastic device is mounted on the bashing body. According to the drill bit structure, huge downward impact force can be formed in the vertical direction while rotation power is formed in the horizontal direction, the drilling impact effect is prominent, and the drilling efficiency is greatly improved. The invention further discloses a rotary excavating machine drill bit comprising the structure and application of the rotary excavating machine drill bit in the drilling aspect. When the drill bit is used for drilling, the drilling speed is high, the drilling efficiency is high, and the cost is low.
Description
Technical field
The invention belongs to the rotary drilling rig field of drilling technique, and in particular to a kind of cross drill hammer structure, contain
The Spiral digging machine drill bit of the structure and its application.
Background technology
Current rotary drilling rig is the construction machinery that pore-forming operation is carried out in a kind of suitable building foundation engineering, main to be suitable for
Construct in soils such as sand, cohesive soil and soft frangible rock stratum, be widely used in the basis on the ground such as highway bridge, skyscraper
Construction work.But, current drilling bit of rotary-digging drilling rig cannot tackle complex geological formations, and traditional drill bit has machinery
Impact dynamics is weak, bore operation inefficiency, the shortcomings of economic performance is poor, it is impossible to meet brill of the user to various geological formations
Hole requires.
The drill bit of traditional rotary drilling rig mainly has two kinds, and one kind is Double bottom door bit drill, but when the drill bit pierces heavily fortified point
During hard formation, due to rock stratum hardness is bigger, drill bit impact dynamics is little, it is impossible to inserts, is typically only capable to
Rock layer surface does grinding state drilling, and rate of penetration is very slow；And long-time, high intensity, high pressure drilling operation
In be easy to equipment is caused to damage in itself, can increase the frequency of drill bit maintenance, but also can further waste of materials, extend and make
Industry time and increase human cost, reduce man efficiency；Another kind is a barrel rock drilling core, and this kind of drill bit is needed in bore operation
Multiple coring repeatedly, and disposable coring can only be directed to one meter and less than one meter of aperture, to aperture up to more than one meter can only
Using many secondary clearing corings, no matter and pore size, the coring success rate of coring is relatively low several times, and core is easy to fall within hole
Bottom, and the easy fragmentation of core, behind core falling hole bottom and core fragmentation, are unfavorable for follow-up bore operation, and process ten again
Point trouble, it is not only time-consuming, laborious, and work risk is big, success rate is low, it is easy to cause core both can not take out, and difficult
With situation about crushing.
In order to solve the problems, such as traditional Spiral digging machine drill bit, domestic and international developer has produced a kind of air-driven impact hammer
Or pneumatic striking mechanism, its principle is to provide method compared with strong impact force using Pneumatic immpacting or air-driven impact, and the method is certain
The work efficiency and impact strength of conventional drill are improve in degree, but pneumatic striking mechanism has larger potential safety hazard, worked
Once during easily produce spark and produce spark Pneumatic immpacting and be easy to blast；And the equipment manufacturing cost of air-driven impact hammer
It is higher, more than about 3,000,000 RMB per platform/set, and need extra increase construction cost (such as：Power consumption, oil consumption) and work
Personnel cost etc., additionally needs high kilowatt of eletctric energy (KWE) or diesel engine unit to transmit kinetic energy；And need broad place to put to set
Standby and person works space；Air-driven impact hammer can be only done dry hole operation simultaneously, it is impossible to complete operation in hole under water, because pneumatic
Hammer is to rely on wind pressure, and the rock slag after being broken blows afloat and raises up, then is fallen in the storage slag cylinder of hammer upper end, if there is water in hole
It will be unable to complete to take out dregs；And the jump bit operating process is complicated, because high-pressure air pipe is carried on jump bit, it is pneumatic punching
Hammer conveying high-pressure gas, makes hammer produce power, and in trip-out and lower brill, high-pressure air pipe is needed with hammer together up and down, is now also needed
Want manually or mechanical assistant is completed, drill more deep more difficult；And the air-driven impact hammer is also excessively multiple in terms of frame for movement
Miscellaneous, maintenance, maintenance are also wasted time and energy, and economy is extremely low, it is impossible to which spread is used.
Therefore, it is badly in need of being improved existing drill bit structure, develops a kind of drill bit of suitable rock stratum perforate, can solve
The weaker problem of certainly traditional bit operation inefficiency, impact dynamics, can possess simple structure, easy to operate, low cost again
Honest and clean, potential safety hazard is little, and without the need for the characteristics of maintenance repeatedly.
The content of the invention
For the technical deficiency of existing rotary drilling rig, an object of the present invention is to provide a kind of cross impact
Drill bit structure, the drill bit structure are simple, easy to use, when using it for Spiral digging machine bore operation, can collect Spiral digging machine itself
The energy of rotation, increases the impact dynamics of drilling, plays energy saving, reduces the effect of the wasting of resources, and anti-by mechanical type
The impact energy of multiple circulation effectively improves the work efficiency of drill bit, using the combination of horizontal direction revolving force and vertical direction impulsive force
Cross drilling hole burst dynamics is formed, is accelerated the rate of penetration in hole, and is reduced cost, it is time saving and energy saving in maintenance, and
Mechanical type drill bit structure potential safety hazard is little, and the danger such as blast will not occur.
To achieve the above object, the technical solution adopted in the present invention is：
A kind of cross drill hammer structure, the drill bit structure include bit body, the hole clipping wall installed successively from top to bottom
Stable disk, pound and hit body and elastic device；The bit body includes drill body and perpendicular with drill body upper surface centre integrally connects
The drill bit square toes for connecing, the drill bit square toes are cylindrical, and drill bit square toes outer wall is sequentially provided with first pressure disk and the second pressure up and down
Power disk, the drill body upper surface are centrosymmetric with the bit body center of circle and multiple projections in chock shape are distributed with；The hole clipping wall
Stable disk is in annulus and is located between first pressure disk and second pressure disk, is provided with and wears for drill bit square toes in the middle of hole clipping wall stable disk
The drill bit square toes crossed pass through hole, and hole clipping wall stable disk side wall is embedded with the clip-bore device of multiple rotary movables, and hole clipping wall is stable
It is additionally provided with to pound on disk and hits bar and pass through hole；Described pounding is hit body and includes basis hammer and pound and hit bar, and the basis hammer is installed through drill bit
Square toes top, is provided with the drilling rod passed through for drill bit square toes and passes through hole in the middle of the hammer of basis, basis hammer bottom is fixed with to be hit with described pounding
Bar passes through corresponding the pounding in hole and hits bar；Pound to hit and be fixedly connected with body elastic device.
Traditional Spiral digging machine drill bit is by there is rotation at a high speed so as to enter to the inside of rock stratum with pointed drill bit mostly
Row gos deep into, but this structure only is difficult to drill hard rock stratum at short notice by the revolving force of horizontal direction, and
The drill bit structure that the present invention is provided not only possesses the rotary impact power of horizontal direction, also generates downward punching in vertical direction
Power is hit, and then defines a kind of cross impact dynamics, can quickly pierce the hard rock stratum of complexity, so as to reach drilling
Efficiently with the depth for meeting drilling.
The present invention can be lodged the inertia and power in bit body itself rotation, led to when bit body quickly rotates
Cross the projection in chock shape and bar jack-up is hit from basis pounding for bottom of hammer is about to, pound and hit bar and drive basis hammer to move upwards, by drill bit
The kinetic energy of body is converted into pounds the potential energy for hitting body, can send out with the rising of hitting body is pounded in addition, pounding and hitting the elastic device that connects on body
Raw deformation, so as to produce certain elastic potential energy, and hits after body crosses projection pounding, makees due to pounding the gravity for hitting body itself
With along with the elastic force effect that elastic device is produced, to being pounded the power for hitting the huge downward impact of body one, and now pounding and hit body
Directly pound to bit body, drive bit body to be successfully drilled down into rock stratum；By in continuous rotary course multiple projections it is common
The elastic potential energy that the potential energy of generation and elastic device are produced, so as on the basis of rotary impact power in the horizontal direction in vertically side
Also form powerful downward impulsive force upwards, this cross impact dynamics can greatly improve bore under bit body dynamic
Power, and improve drilling efficiency.
The hole clipping wall stable disk of the above-mentioned drill bit structure of the present invention is preferred with annular, but can be also designed into cross
Hole clipping wall stable disk or square hole clipping wall stable disk, cross hole clipping wall stable disk also can possess before drilling bore hole preferably
The effect by drill chuck in formation wall.
Used as preferred scheme, the projection in the present invention is chosen to be 18-36, pounds to hit bar and pass through hole and is set as 8-12,
Pound to hit bar and pass through hole and be centrosymmetric distribution with the central point of hole clipping wall stable disk, can possess punching well in use
Hit power and improve drilling efficiency, but it is important to point out that, the present invention limits the quantity of projection and pounds and hits bar and pass through hole
Quantity and symmetrical, as long as which can exercise the corresponding function of the structure.
It is further that the elastic device is many drawing springs；The hole clipping wall stable disk top surface edge sets
There is 10-20 to link up with the hole clipping wall stable disk center of circle is centrosymmetric first, the basis hammer top is provided with and the first hook
Corresponding second hook, the inclined angle of the drawing spring are connected on the first hook and the second hook；Bit body
When rotated, basis pounding for bottom of hammer is hit by bar jack-up by the projection in chock shape, elastic force is applied by drawing spring, then
Plus the gravity for hitting body itself is pounded, pound and hit bar and directly pounded to bit body after projection, so as to the drilling for drill bit is provided more
Impulsive force；And the inclination angle type design of drawing spring, bigger elastic deformation space can be given, so as to provide the elasticity of abundance
Impact dynamics, and can slow down to a certain extent and pound the abrasion hit between bar and projection.
It is further that the elastic device is many pressure type springs；The basis hammer top is provided with spring retainer disk,
The spring retainer disk is provided with multiple perforation being centrosymmetric with the spring retainer disk center of circle, and the spring retainer disk is enclosed within brill
On head square toes, drill bit square toes side wall is additionally provided with the 3rd pressure disc that position-limiting action is folded to spring retainer, and the 3rd pressure disc is located at
Above spring retainer disk；Basis hammer in the vertical direction is provided with the pilot hole corresponding with perforation, and the pilot hole bottom is fixed
Have guide post, the guide post is bored a hole and stretched out by pilot hole, the pressure type spring housing on the guide bar, pressure
Formula spring top and bottom are contacted with spring retainer disk and basis hammer bottom respectively；Bit body when rotated, by chock shape
Projection by basis hammer pounding for bottom hit bar jack-up, by pressure type spring apply elastic force, then plus pound the gravity for hitting body itself, pound
Hit bar directly pounding to bit body after projection, the power bored under bit body is improved by the impulsive force of reciprocation cycle.
Be further, the clip-bore device be eccentric block, each eccentric block by pin rotate be fixed on hole clipping wall
Stable disk side wall, and on eccentric block, it is equipped with the return spring being connected with hole clipping wall stable disk；When drilling rod rotates, hole clipping wall is steady
Price fixing can be rotated together with drill bit, and at the same time the multiple eccentric blocks in hole clipping wall stable disk can be expanded outwardly therewith, expansion
After can be stuck on hole wall due to frictional force, now hole clipping wall stable disk is stuck on hole wall and does not rotate, and pounds pounding of hitting on body
Hit bar pounding in hole clipping wall stable disk and hit bar and pass through and carry out on hole reciprocal moving up and down bit body is impacted, when being not required to
When to be impacted, only drill bit need to be inverted, eccentric block is just let out power and departs from hole wall.
It is further that the projection upper surface is equipped with roller；When projection drive pound hit bar and move up when, by rolling
The slip of wheel reduces the frictional force of device, extends the service life of device.
It is further that the basis hammer is provided with combination hammer, basis hammer is provided with screw rod, and combination hammer is enclosed within screw rod simultaneously
It is fixed；The weight for hitting body can be pounded to increase by the combination hammer of varying number, so as to increase the reciprocal punching of the architecture
Power is hit, more preferable impact effect is reached.
It is further to be provided with below the bit body for collecting the drilling pipe of rock slag, can incites somebody to action in boring procedure
The rock slag of generation is taken out of from hole.
It is further that the drilling pipe there are three, includes that the first drilling pipe, the second drilling pipe and the 3rd are bored from outside to inside successively
Cylinder, three drilling pipe bottoms are equipped with the brill tooth being evenly arranged, and the 3rd drilling pipe center is provided with spitting drill, the spitting drill lower end
Multiple brill teeth are provided with, the spitting drill is extended downwardly and stretched out outside drilling pipe by bit body bottom；The bit body adopts multilamellar drilling pipe
Structure carries out coring, reduces the surface area of traditional coring drilling pipe, increased the power of coring drilling, and is determined by middle
Position is bored and can reach good locating effect, can avoid inclined hole phenomenon.
The second object of the present invention is to propose a kind of Spiral digging machine drill bit containing the structure.Drill bit can be mounted directly
Use on Spiral digging machine, the traditional existing drill bit of Spiral digging machine can be substituted.
The third object of the present invention is the application for providing above-mentioned drill bit in terms of Spiral digging machine drilling, be may be advantageously employed in
Spiral digging machine bore operation, and the bore operation of hard rock stratum is particularly well-suited to, can also carry out on other boring bar tools in addition
Drilling is used.
Beneficial effects of the present invention are as follows：
(1) present invention is provided drill bit structure and its drill bit, during for Spiral digging machine bore operation, will horizontally rotate power and hang down
Straight impulsive force combines to form cross lower brill power, possesses impact great efforts, and rate of penetration is fast, and high working efficiency saves energy
The advantage of consumption；
(2) drill bit structure of the invention, possesses simple structure, with low cost, and maintenance is convenient, additionally need not can add
Plus under the conditions of wind force device and airduct conveyer device etc., possess very strong impulsive force；
(3) drill bit structure of the invention, can collect the energy unnecessary during Spiral digging machine rotation, the practical repetition profit of the energy
With change, energy resources have been saved well.
Description of the drawings
Fig. 1 is the overall structure diagram of embodiment 1；
Fig. 2 is the hole clipping wall stable disk top view of embodiment 1；
Fig. 3 is that embodiment 1 pounds the structural representation for hitting body；
Fig. 4 is the structural representation of the bit body of embodiment 1；
Fig. 5 is the overall structure diagram of embodiment 2；
Fig. 6 is the hole clipping wall stable disk top view of embodiment 2；
Fig. 7 is that embodiment 2 pounds the structural representation for hitting body；
Fig. 8 is the structural representation of the bit body of embodiment 2；
Fig. 9 is the overall structure diagram of embodiment 3；
Figure 10 is the bit body fragmentary sectional elevation view of embodiment 3；
Figure 11 is that the bit body of embodiment 3 looks up partial sectional view；
Figure 12 is the overall structure diagram of embodiment 4；
Figure 13 is the overall structure diagram of embodiment 5；
Figure 14 is the structural representation of the unlatching bottom door pressure disc device of embodiment 5；
Figure 15 is the side view of the hole clipping wall stable disk of embodiment 6；
Figure 16 is the schematic diagram of the projection with roller；
Figure 17 is cross hole clipping wall stable disk top view.
In figure：1st, bit body；2nd, hole clipping wall stable disk；3rd, pound and hit body；4th, elastic device；5th, drill body；6th, drill bit square toes；7、
First pressure disk；8th, second pressure disk；9th, projection；10th, eccentric block；11st, drill bit square toes pass through hole；12nd, pound and hit bar and pass through hole；
13rd, the first hook；14th, pin；15th, basis hammer；16th, pound and hit bar；17th, the second hook；18th, combination hammer；19th, screw rod；20th, spiral shell
Cap；21st, drilling rod；22nd, pilot hole；23rd, guide post；24th, spring retainer disk；25th, the 3rd pressure disc；26；First drilling pipe；27th,
Two drilling pipes；28th, the 3rd drilling pipe；29th, spitting drill；30th, bore tooth；31st, bore a hole；32 drilling rods pass through hole；33rd, bottom door；34th, it is fixed to hang
Hook；35th, bottom door switch connecting rod；36th, open disk；37th, pressure pillar；38th, back-off；39th, lock post；40th, centre drill；41st, roller.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, with reference to embodiments to the present invention
It is specifically described, it is necessary to, it is noted that following examples are used only for being explained and illustrated the present invention, be not used to
Limit the present invention.Those skilled in the art still belong to according to some nonessential modifications and adaptations that foregoing invention content is made
In protection scope of the present invention.
Embodiment 1
In embodiment 1, shown in reference picture, cross drill hammer structure, the drill bit structure are included from lower to upper successively
The bit body 1 of connection, hole clipping wall stable disk 2 and pound and hit body 3；Pound and hit between body 3 and hole clipping wall stable disk 2 by multiple drawing
Spring connects；Bit body 1 includes the drill bit square toes 6 of drill body 5 and fixed drilling rod 21, in the drill bit square toes 6 and 5 upper surface of drill body
Center portion position vertically connects, and 6 outer wall of drill bit square toes is provided with first pressure disk 7 and second pressure disk 8, and 5 upper surface of the drill body is boring
1 center of circle of head body is centrosymmetric and the 18-36 projection 9 in chock shape is distributed with；Hole clipping wall stable disk 2 is in annulus and is located at first
Between pressure disc 7 and second pressure disk 8, be provided with the middle of hole clipping wall stable disk 2 and hole passed through for the drill bit square toes that drill bit square toes 6 are passed through
11,2 side wall of hole clipping wall stable disk is embedded with multiple eccentric blocks 10 being centrosymmetric with 2 center of circle of hole clipping wall stable disk, described inclined
10 rotary movable of heart block, hole clipping wall stable disk 2 are provided with 8-12 and are hit with pounding of being centrosymmetric of 2 center of circle of hole clipping wall stable disk
Bar passes through hole 12, and 2 top surface edge of hole clipping wall stable disk is provided with 10-20 and is centrosymmetric with 2 center of circle of hole clipping wall stable disk
First hook 13；Pound and hit body 3 and include basis hammer 15 and pound and hit bar 16, the brill passed through for drilling rod 21 is provided with the middle of the basis hammer 15
Bar passes through hole 32, and basis 15 bottoms of hammer are fixed with hits bar 16 with pounding to hit bar and pass through corresponding the pounding in hole 12, sets above basis hammer 15
There is second hook 17 corresponding with the first hook 13, the drawing spring is inclined and is connected to the first hook 13 and the second extension
On hook 17.
The eccentric block 10 is fixed on 2 side wall of hole clipping wall stable disk, and eccentric block 10 and hole clipping by the rotation of pin 14
Wall stable disk 2 is connected by return spring.
9 upper surface of the projection is equipped with roller 41, when projection 9 drive pound hit bar 16 and move up when, save device
Frictional force.
1 bottom of the bit body is provided with the centre drill 40 with tooth is bored, and the centre drill 40 can prevent from producing in bore operation
The inclined hole phenomenon of life, can effectively impact and destroy rock stratum.
For material-saving, hole clipping wall stable disk 2 can be arranged to cross-shaped configuration, it is concrete as shown in figure 17.
The present embodiment in the specific implementation, the drill bit of the structure is put in hole, and drilling rod 21 drives the rotation of bit body 1 to carry out
Drilling operation, while hole clipping wall stable disk 2 rotates, at the same time the multiple eccentric blocks 10 in hole clipping wall stable disk 2 are driven, partially
Heart block 10 is expanded outwardly therewith, and as the effect of frictional force is stuck on hole wall after expansion, now hole clipping wall stable disk 10 is in
In the state of not being rotated by drilling rod 21, pound many hit on body 3 and pound to hit bar 16 and have passed through pounding in hole clipping wall stable disk 2 and hit
Bar passes through hole 12, now pounds and hits body 3 under the constraint of hole clipping wall stable disk 2, does not also rotate, and drilling rod 21 drives bit body
While 1 rotary drilling, the projection 9 and roller 41 of 1 upper surface part of bit body will be pounded and hit bar 16 upwardly, while make to pound hitting body
3 move up, and the drawing spring hit between body 1 and hole clipping wall stable disk 2 is pounded in stretching, pound and hit bar 16 and run to projection 9
Peak, now pound hit body 3 with drawing spring store big energy, bit body 1 continues rotation, pound hit bar 16 suddenly from
The peak of projection 9 pounds the upper surface for hitting bit body 1, now pounds the elastic force moment for hitting the gravity Yu spring store of body 2 before
Release energy, pound and hit bar 16 bit body 1 is carried out pounding hitting, 1 stress device to hole bed rock layer of bit body is crushed, always repeated work
By bottom crushing rock formation, pound to hit bar 16 and push down bit body 1 and continue downwards, the first pressure disk 7 and first pressure at drill bit square toes 6
Disk 8 holds hole clipping wall stable disk 2 also while driving hole clipping wall stable disk 2 to run downwards, now pound hit each part such as body 1 also all to
Lower operation, when drilling to certain depth, rig stops the rotation, and does antiport, and now hole clipping wall stable disk 2 is done instead with drill bit
To operating, the eccentric block 10 in hole clipping wall stable disk 2 is let out power, is released from hole wall, rises and gets into ground and lay down rock slag, lower again to bore
Go round and begin again.
Embodiment 2
In example 2, the drawing spring in embodiment 1 is changed to into pressure type spring, while the spring in embodiment 1
Attachment structure does following change：Increase spring retainer disk 24 above basis hammer 15, be provided with spring retainer disk 24 it is multiple with
The perforation 31 that 24 center of circle of spring retainer disk is centrosymmetric, spring retainer disk 24 are enclosed within drill bit square toes 6,6 side wall of drill bit square toes
The 3rd pressure disc 25 to 24 position-limiting actions of spring retainer disk is additionally provided with, the 3rd pressure disc 25 is located on spring retainer disk 24
Side；Basis 15 in the vertical directions of hammer are provided with and 31 corresponding pilot holes 22 of perforation, and 22 bottom of pilot hole is fixed with guide post
23, guide post 23 31 and is stretched out through perforation by pilot hole 22, pressure type spring housing on guide post 23, pressure type spring
Top and bottom are contacted with spring retainer disk 24 and basis 15 bottoms of hammer respectively.
As different from Example 1, what embodiment 1 was leaned on is the pulling force of drawing spring and pounds the gravity for hitting body 3 embodiment 2
Bit body 1 is tapped repeatedly so as to increase the efficiency and speed of drill bit, and it is the compression of pressure type spring that embodiment 2 is leaned on
Power and pounding is hit the gravitational force urges of body 3 and is pounded and hits bar 16 and bit body 1 is tapped repeatedly so as to increase the work efficiency of drill bit.
When the bit body 1 of embodiment 1 and embodiment 2 does not contain drilling pipe, its deslagging mode is mainly using pumping method
With laitance method by outside rock slag tap produced when drilling.
Embodiment 3
In embodiment 3, on the basis of embodiment 1 or embodiment 2, increase drilling pipe structure in 1 lower end of bit body, it is described
The drilling pipes of three collection rock slags are provided with below bit body 1, include the first drilling pipe 26, the second drilling pipe 27 and the from outside to inside successively
Three drilling pipes 28, three drilling pipe bottoms are equipped with the brill tooth 30 being evenly arranged, and 28 center of the 3rd drilling pipe is provided with spitting drill 29, institute
State 29 lower end of spitting drill and be provided with multiple brill teeth 30, the spitting drill 29 is extended downwardly by 1 bottom of bit body and is located at three drilling pipes
Lower section.
The bit body 1 adopts layering multi-cartridge structure drilling pipe, when layering multi-cartridge drill bit is crept into, can be simultaneously to rock
Crushed inside and outside layer, simultaneously ectonexine rock core can be fished for simultaneously to after certain depth in drilling, relative to conventional drill,
It is more convenient, it is time saving and energy saving, the surface area of traditional coring drilling pipe is reduced, the power of coring drilling is increased, and in passing through
Between spitting drill 29 can reach good locating effect, can avoid inclined hole phenomenon.
As spitting drill 29 in embodiment 3 is acted on the centre drill 40 in embodiment 1.
Embodiment 4
In example 4, on the basis of embodiment 1-3, increase on body 1 combination hammer 18 pounding to hit, the basis hammer 15
Combination hammer 18 is provided with, basis hammer 15 is provided with screw rod 19, and combination hammer 18 is enclosed within screw rod 19 and is fixed by nut 20；
The weight of hitting body 3 can be pounded to increase by adding the combination hammer 18 of varying number, so as to increase the reciprocating impact power of the structure, be reached
To more preferable impact effect.
Drill bit in embodiment 1-4 can reach good impact effect when specifically used, compare traditional rotary digging drill bit
In rock drilling layer with higher efficiency, and penetration rate is faster, and relatively external jump bit is structurally and operationally more simple,
Device fabrication cost is lower.
Embodiment 5
In embodiment 5, the drilling pipe of embodiment 3 is changed to into the drilling pipe with bottom door 33, bottom door 33 is provided with fixed hook
34, bottom door switch connecting rod 35 is provided with drilling pipe, 35 upper end of bottom door switch connecting rod extends to drilling pipe upper surface, and lower section is provided with down
Button 38 is interlocked with fixed hook 35；The drill bit structure also includes opening bottom door pressure disc device, the unlatching bottom door pressure disc
Device includes that 37,4 pressure pillars 37 of open disk 36 and 4 pressure pillars both pass through basis hammer 15 and hole clipping wall stable disk 2, opens
Open disk to be located at below 4 pressure pillars 37.
When needing to open 33 deslagging of bottom door, pressure pillar 37 is pressed down using power set, by pressure pillar 37
Open disk 36 is driven to press bottom door switch connecting rod 35, so as to allow back-off 38 to depart from so that bottom door 33 is opened with fixed hook 35；When
After deslagging terminates, pressure pillar 37 is directly unclamped, back-off 38 just can be caused to be fastened with fixed hook 35 again, bottom door 33 is closed.
Embodiment 6
In embodiment 6, the drill bit structure of embodiment 1-5 is improved, in hole clipping wall stable disk 2 add two with
The lock post 39 that 2 center of hole clipping wall stable disk is centrosymmetric, when just drilling is proceeded by by ground, can pass through extraneous lock
Only two lock posts 39 are fixed by connecting rod or other devices, also can reach hole clipping wall stable during so as to drilling on the ground
Disk 2 keeps not rotating, pounds the effect for hitting that body 3 produces impulsive force, when in hole clipping wall stable disk 2 is completely into hole, can be by
Lock post 39 is unclamped, and allows the eccentric block 10 of 2 side wall of hole clipping wall stable disk to act on.
Application examples 1
Drill bit in embodiment of the present invention 1-4 and traditional drill bit are hammered into shape for Spiral digging machine rock stratum with external air-driven impact
Bore operation, selects identical rock stratum area, calculates its drilling depth within 1 hour with average operation, and acquired results are as shown in table 1
(weight and basis hammer that hammer wherein, is combined in embodiment 4 is equal)：
Table 1
By can draw in table 1：Traditional rotary drilling rig is compared in embodiment 1-4 and air-driven impact hammer can be bored in same time
Deeper rock stratum is moved, and the impact effect of embodiment 4 (with combination hammer) becomes apparent from, while adopting in relative air-driven impact hammer
In the case that structure simpler, cost is lower, also deeper rock stratum can be drilled in the identical time, as air-driven impact hammers structure into shape
Complexity,, when operation is carried out, the non-cutting time for periodically consuming is longer for which.
Application examples 2
Drill bit in embodiment of the present invention 1-4 and traditional rig are hammered into shape for Spiral digging machine rock stratum with external air-driven impact
Bore operation, selects identical rock stratum area, the time required to calculating which respectively when reaching 5m with drilling depth, its result such as table 2
Shown (weight and basis hammer that hammer wherein, is combined in embodiment 4 is equal)：
Table 2
| Type | Traditional rotary digging drill bit | Air-driven impact is hammered into shape | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Time (h) | 3 | 1 | 0.78 | 0.7 | 0.64 | 0.56 |
By can draw in table 2：Traditional rotary drilling rig institute in the case where dynamic same depth rock stratum is bored is compared in embodiment 1-4
The time of cost is less, and embodiment 4 (with combination hammer) effect becomes apparent from, while adopting structure in relative air-driven impact hammer
In the case that simpler, cost is lower, also ensure to be drilled into the rock stratum of same depth in the shorter time.
Application examples 3
Drill bit in embodiment of the present invention 1-4 and traditional rig are hammered into shape for Spiral digging machine rock stratum with external air-driven impact
Bore operation, selects identical rock stratum area, is defined up to 10m by completing drilling depth, calculates consumption when completing workload respectively
Oil mass size, as shown in table 3 wherein, the weight and basis hammer that hammer is combined in embodiment 4 is equal for its result)：
Table 3
| Type | Traditional rotary digging drill bit | Air-driven impact is hammered into shape | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Fuel consumption (L) | 400 | 200 | 100 | 92 | 87 | 80 |
By can draw in table 3：The oil consumption cost consumed by embodiment 1-4 is more much lower than traditional rotary drilling rig, while than beautiful
The oil consumption cost of the pneumatic jump bit of state reduces more than one times, in embodiment 1-4 in the case where more preferable effect can be reached, its
Overall production cost is significantly less than the production cost of air-driven impact hammer.
The overall manufacturing cost of the present invention is relatively low in addition, is only changed on the drill bit structure of traditional Spiral digging machine
Enter, without the need for thoroughly changing its structure and working method, and the present invention is on the premise of lower cost, is further ensured that and greatly promotes
Drilling efficiency, generates huge drilling impulsive force effect；For air-driven impact compared to the U.S. of the invention is hammered into shape, fine
On the premise of having ensured drilling dynamics and drilling efficiency, the overall manufacturing cost of equipment, existing air-driven impact are greatly reduced
The manufacturing cost of hammer is about at 3,000,000 yuan or so, and the overall manufacturing cost of the cross drill hammer of the present invention is less than 100,000
Unit.
Claims (10)
1. a kind of cross drill hammer structure, it is characterised in that：The drill bit structure includes the drill bit installed successively from top to bottom
Body (1), hole clipping wall stable disk (2), pound and hit body (3) and elastic device (4)；
The bit body (1) includes drill body (5) and the drill bit square toes with the perpendicular integrally connected in drill body (5) upper surface centre
(6), the drill bit square toes (6) are cylindrical, and drill bit square toes (6) outer wall is sequentially provided with first pressure disk (7) and the second pressure up and down
Power disk (8), drill body (5) upper surface are centrosymmetric with bit body (1) center of circle and multiple projections in chock shape are distributed with
(9), it is preferred that the projection (9) is 18-36；
The hole clipping wall stable disk (2) is in annular shape, and is located between first pressure disk (7) and second pressure disk (8), hole clipping wall
The drill bit square toes passed through for drill bit square toes (6) are provided with the middle of stable disk (2) and pass through hole (11), in the wall of hole clipping wall stable disk (2) side
The clip-bore device of multiple rotary movables is embedded with, is additionally provided with to pound in hole clipping wall stable disk (2) and is hit bar and pass through hole (12), it is preferred that
Described pounding is hit bar and passes through hole (12) for 8-12, it is described pound to hit bar and pass through hole (12) with the central point of hole clipping wall stable disk (2) be in
Centrosymmetry is distributed；
Described pounding is hit body (3) including basis hammer (15) and pounds and hit bar (16), and the basis is hammered (15) into shape and is installed through drill bit square toes
(6) top, is provided with the drilling rod passed through for drill bit square toes (6) and passes through hole (32) in the middle of basis hammer (15), basis hammer (15) bottom is solid
Surely have with it is described pound to hit bar and pass through hole (12) corresponding pounding hit bar (16)；
The elastic device (4) is hit body (3) and is fixedly connected with pounding.
2. cross drill hammer structure according to claim 1, it is characterised in that：The elastic device (4) is many
Drawing spring；Hole clipping wall stable disk (2) top surface edge is provided with during 10-20 with hole clipping wall stable disk (2) center of circle is in
The first symmetrical hook (13) of the heart, described basis hammer (15) top is provided with second hook corresponding with the first hook (13)
(17), the inclined angle of the drawing spring is connected on the first hook (13) and the second hook (17).
3. cross drill hammer structure according to claim 1, it is characterised in that：The elastic device (4) is many
Pressure type spring；Spring retainer disk (24) is additionally provided with above basis hammer (15), the spring retainer disk (24) is provided with many
The individual perforation (31) being centrosymmetric with spring retainer disk (24) center of circle, the spring retainer disk (24) are enclosed within drill bit square toes (6)
On, the 3rd pressure disc (25) that position-limiting action is played to spring retainer disk (24), the 3rd pressure are additionally provided with the wall of drill bit square toes (6) side
Disk (25) is above spring retainer disk (24)；Basis hammer (15) in the vertical direction is provided with the guiding corresponding with perforation (31)
Hole (22), pilot hole (22) bottom are fixed with guide post (23), and the guide post (23) is by pilot hole (22) through perforation
(31) and stretch out, every pressure type spring is enclosed within guide post (23), pressure type spring top and bottom respectively with bullet
Spring position-arresting disk (24) and basis hammer (15) bottom contact.
4. cross drill hammer structure according to claim 1, it is characterised in that：The clip-bore device is eccentric block
(10), each eccentric block (10) is fixed on hole clipping wall stable disk (2) side wall by pin (14) rotation, and on eccentric block (10)
It is equipped with the return spring being connected with hole clipping wall stable disk (2).
5. cross drill hammer structure according to claim 1, it is characterised in that：Projection (9) upper surface is all provided with
There is roller (41).
6. cross drill hammer structure according to claim 1, it is characterised in that：Installation group on basis hammer (15)
Hammer (18) is closed, basis hammer (15) is provided with screw rod (19), and combination hammer (18) is enclosed within screw rod (19) and is fixed.
7. cross drill hammer structure according to claim 1, it is characterised in that：It is provided with below the bit body (1)
For collecting the drilling pipe of rock slag.
8. cross drill hammer structure according to claim 7, it is characterised in that：The drilling pipe be three, by outward to
Inside include the first drilling pipe (26), the second drilling pipe (27) and the 3rd drilling pipe (28) successively, three drilling pipe bottoms are equipped with and are uniformly distributed
Brill tooth (30), the 3rd drilling pipe (28) center is additionally provided with spitting drill (29), and spitting drill (29) lower end is provided with brill tooth
(30), the spitting drill (29) is extended downwardly and is stretched out outside three drilling pipes by bit body (1) bottom.
9. the Spiral digging machine drill bit containing the structure as described in any one of claim 1-8.
10. application of the drill bit according to claim 9 in Spiral digging machine drilling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610991776.3A CN106522844B (en) | 2016-11-10 | 2016-11-10 | Cross drill hammer structure, the Spiral digging machine drill bit containing the structure and its application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610991776.3A CN106522844B (en) | 2016-11-10 | 2016-11-10 | Cross drill hammer structure, the Spiral digging machine drill bit containing the structure and its application |
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| Publication Number | Publication Date |
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| CN106522844A true CN106522844A (en) | 2017-03-22 |
| CN106522844B CN106522844B (en) | 2018-11-30 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111411898A (en) * | 2020-05-28 | 2020-07-14 | 西南石油大学 | Composite drill bit |
| CN111411899A (en) * | 2020-05-28 | 2020-07-14 | 西南石油大学 | PDC drill bit with self-impact capability |
| CN113323582A (en) * | 2021-05-26 | 2021-08-31 | 王天勇 | Square percussion drill structure, rotary excavating machine drill bit with same and application |
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| CN1954130A (en) * | 2004-03-30 | 2007-04-25 | 阿尔瓦格隧道支架有限公司 | Method and device for drilling holes in the ground or in rock |
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| CN203201472U (en) * | 2013-04-22 | 2013-09-18 | 邵金安 | Rock drilling machine and rotary-cut percussion drilling system thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111411898A (en) * | 2020-05-28 | 2020-07-14 | 西南石油大学 | Composite drill bit |
| CN111411899A (en) * | 2020-05-28 | 2020-07-14 | 西南石油大学 | PDC drill bit with self-impact capability |
| CN113323582A (en) * | 2021-05-26 | 2021-08-31 | 王天勇 | Square percussion drill structure, rotary excavating machine drill bit with same and application |
| CN113323582B (en) * | 2021-05-26 | 2023-11-28 | 王天勇 | Square impact drill structure, rotary drilling machine drill bit with square impact drill structure and application |
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| Publication number | Publication date |
|---|---|
| CN106522844B (en) | 2018-11-30 |
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