CN110118059A - Cylinder suitable for boulder bed bores - Google Patents
Cylinder suitable for boulder bed bores Download PDFInfo
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- CN110118059A CN110118059A CN201910579555.9A CN201910579555A CN110118059A CN 110118059 A CN110118059 A CN 110118059A CN 201910579555 A CN201910579555 A CN 201910579555A CN 110118059 A CN110118059 A CN 110118059A
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- cylinder
- cutting
- hook
- slag
- mandril
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- 239000002893 slag Substances 0.000 claims abstract description 105
- 238000005553 drilling Methods 0.000 claims abstract description 37
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 210000000515 tooth Anatomy 0.000 claims abstract description 29
- 210000003371 toe Anatomy 0.000 claims abstract description 6
- 230000000903 blocking effect Effects 0.000 claims description 38
- 230000000694 effects Effects 0.000 claims description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 3
- 241001074085 Scophthalmus aquosus Species 0.000 abstract description 19
- 239000002689 soil Substances 0.000 description 28
- 239000004575 stone Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 238000005457 optimization Methods 0.000 description 5
- 102000002322 Egg Proteins Human genes 0.000 description 4
- 108010000912 Egg Proteins Proteins 0.000 description 4
- 210000004681 ovum Anatomy 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011435 rock 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
- E21B10/02—Core 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
- E21B10/00—Drill bits
- E21B10/42—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits
- E21B10/43—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits characterised by the arrangement of teeth or other cutting elements
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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 the cylinder brills for being suitable for boulder bed, including cylinder, cutting cylinder and open-and-close mechanism, the upper opening of cylinder is provided with cover board, and cover board medium position is equipped with the connection square toes for drilling rod connection, and cutting cylinder is flexibly connected with the lower end of cylinder by pin shaft and is located at below cylinder；Open-and-close mechanism is set in cylinder and cutting cylinder and cuts cylinder and cylinder folding for making；The bottom margin of cutting cylinder is uniformly equipped with multiple cutting tooths, multiple anti-shedding mechanisms are fixed on cutting cylinder inner wall, multiple anti-drop structures are circumferentially evenly distributed on the inner surface of cutting cylinder and are generally aligned in the same plane, each anti-shedding mechanism includes cutting slag bar, pin and support, support is vertically mounted on the inner wall of cutting cylinder, it is hinged by pin and support to cut slag bar, the bottom of support is equipped with horizontal baffle.The present invention when drilling to boulder bed, can effectively drill through the cobble being relatively large in diameter and by cylinder bore in cobble propose ground, improve the working efficiency of drill bit.
Description
Technical field
The present invention relates to drilling machine drilling tool fields, and in particular to a kind of cylinder brill suitable for boulder bed.
Background technique
In boulder bed drilling, when being bored using cylinder, because clay content is small in boulder bed, boulder bed cohesive strength is poor, and rotary digging mentions
During brill, cobble is easily slid in cylinder brill, causes cobble that can not take out, pore-forming efficiency is low.In the prior art, Publication No.
CN203925295U discloses a kind of rotary digging drill bit, including upper disk component, cylinder, open-and-close mechanism, cutter assembly；Upper disk group
Part includes top plate, connection square hole, through-hole, and by connection square hole connection, open-and-close mechanism passes through through-hole for drill bit and drilling rod；Cylinder it is upper
Portion is together with upper disk components welding, and the lower part of cylinder includes connecting bushing, there is rotary shaft in connecting bushing, and open-and-close mechanism includes
Locating rack, reset spring, hook, support rod, positioning are placed on above top plate；Cutter assembly includes revolving part, circular arc ring, hooks
Part, cutting tooth plate, cutting tooth are welded on cutting tooth plate, and drill bit includes muti-piece cutting tooth plate, and every piece of cutting tooth plate is respectively welded
In the side welding revolving part and the other side of the lower part and these cutting tooth plates of circular arc ring integral into taper, on circular arc ring top
Clinching element, the connecting bushing connection of revolving part and cylinder are welded, hook catches on clinching element.The drill bit used in the utility model for
Churning driven, the muti-piece cutting tooth plate that cylinder body bottom is obliquely installed can reduce the opening area of cylinder body bottom, so that drill bit be made to answer
When drilling through to the cobble of greater particle size, cobble is not easily accessible in drilling pipe, to influence the efficiency of drill bit drilled through.
Summary of the invention
In view of the above shortcomings of the prior art, the technical problems to be solved by the present invention are: providing a kind of suitable for big ovum
The cylinders of rock layers bores, can effectively drill through the cobble being relatively large in diameter and by cylinder bore in cobble propose ground, improve the work of drill bit
Efficiency.
In order to solve the above-mentioned technical problem, present invention employs the following technical solutions:
Cylinder suitable for boulder bed bores, including cylinder, cutting cylinder and open-and-close mechanism, the upper opening of cylinder are provided with cover board, cover
Plate medium position be equipped with for drilling rod connection connection square toes, cut cylinder internal diameter and cylinder match, cutting cylinder by pin shaft with
The under shed of cylinder is flexibly connected and is located at below cylinder；Open-and-close mechanism be set to cylinder and cutting cylinder in for make cut cylinder with
Cylinder folding；The bottom margin of cutting cylinder is uniformly equipped with multiple cutting tooths, is fixed on the cutting cylinder inner wall multiple anti-
Dropping mechanism, multiple anti-shedding mechanisms are circumferentially evenly distributed on the inner surface of cutting cylinder and are generally aligned in the same plane, each anti-dropout
Mechanism includes cutting slag bar, pin and support, and support is vertically mounted on the inner wall of cutting cylinder, cuts slag bar and is cut with scissors by pin and support
It connects, the bottom of support is equipped with horizontal baffle, and baffle is located at the lower section for cutting slag bar to limit the maximum angular cutting slag bar and rotating down
Degree cuts a slag bar and is exactly in horizontality when a section slag bar, which is pivotally lowered into, to abut with baffle.
This cylinder bores during use, and drilling rod is connected with the square hole connecting above square toes, and solid by connecting pin
Fixed, drilling rod lifts above drill bit to specified piling hole site, and drill bit is transferred to ground, starts to rotate forward, and bores while drilling
Bar applies certain downward pressure to drill bit, and the cutting tooth of cutting cylinder bottom is started to work, the native slag and cobble in stake holes with
The drilling of cutting tooth cuts slag bar by native slag and the power of cobble straight up, cuts slag bar by initial horizontality along support
Pin is rotated up, and slag bar is cut straight up and upper end fitting cutting cylinder inner wall, in this way, clear opening area increases in the cylinder of cutting cylinder
Greatly, more large-sized cobble is able to enter in cutting cylinder and cylinder；Certain depth, ovum in cylinder are being drilled down to cylinder brill
After stone and soil filling are full, and it is closely knit to pressurize；Drilling rod stops operating, and cylinder is promoted to ground, is lifted up in cylinder
When, it is not affected by power straight up due to cutting slag bar, slag bar is cut and is rotated down along the pin of support, a section slag bar turns to horizontal
When state, slag bar is cut by the barrier effect of baffle and keeps horizontal, then multiple sections of slag bars form in cutting cylinder in cylinder
Cobble and soil blocking surface, the setting of baffle provides support force to a slag bar is cut, and cutting slag bar in this way prevents the intracorporal ovum of cylinder
Stone and soil are fallen downwards；When cylinder brill be lifted up and be moved to deslagging position after, by closing device make cut cylinder around with
The connected pin shaft of cylinder, which rotates, to be opened, and by positive and negative rotation cylinder, generates shake, the soil of inner barrel is shaken off, drilling rod drives
Drill bit decentralization, open-and-close mechanism is re-closed, the installation of drill bit is completed, and rotary digging work is carried out again, until entire stake holes rotary digging
Terminate.
This brill eliminates the obstruction of floor structure in cutting cylinder bottom, is replaced by mobilizable section of slag bar, in this way
Increase cylinder brill drills through area, can be used in drilling through large-sized cobble and block stone, and can integrally wrap up block stone and cobble
In soil, without cobble be crushed and can be taken out large-scale cobble；In order to avoid cylinder is bored in drilling process middle cylinder body
The problem of interior cobble and soil is fallen, slag blocking plate can creep into cylinder and pack up and fit in automatically during row is bored and dug in cutting cylinder
Wall, after the completion of drilling through, slag blocking plate automatic traverse under the gravity of cobble and the soil body in cylinder is formed to cobble and the soil body
Blocking, can effectively solve the problem that so conventional cylinder bore in cobble easily slide, cause cobble that can not take out, pore-forming efficiency is low to ask
Topic.
As optimization, the open-and-close mechanism includes mandril, hook plate, connection otic placode and coupler body, and hook plate is L-shaped and setting is being cut
The inner surface of cylinder is cut, hook plate is fixed on cutting cylinder by horizontal part, and the vertical portion of hook plate is upward and top is machined with transverse direction
Hook frame；The inner surface with the cutting cylinder other side of hook plate face is arranged in connection otic placode, is machined with axis hole in connection otic placode, cuts
Cylinder is cut to be flexibly connected by wearing pin shaft on axis hole with cylinder；Through-hole is also provided on cover board, mandril is vertically arranged, and lower end is worn
It crosses through-hole and extends downwardly, mandril upper end has the shaft shoulder, and the shaft shoulder and mandril are exposed between the outer surface of cover board and are arranged with spring；
Side on the inner surface of cylinder in mandril is fixed with limit plate, is provided with and vertical passes vertically through on limit plate for mandril lower end
Limit hole, the limit hole are moved left and right for limiting mandril；The lower end of mandril is connected with vertical connecting rod, connecting rod and mandril
Lower end is hinged；Inner surface of the cylinder in the side of coupler body is provided with lateral firm banking, and one end and the connecting rod of coupler body pass through
Pin shaft rotation connection, coupler body middle part are connect with pedestal by pin shaft；The other end of coupler body is machined with hook directed downwardly, and cylinder is in hook
Position where sub is equipped with the opening stepped down for hook rotation；Configured with the compressing mechanism for pushing mandril above mandril, when the bullet
For spring under non-stress, hook, which catches on the hook frame on hook plate, fixes cutting cylinder with cylinder, when the spring is in compression shape
When state, the hook in coupler body is rotated up, so that hook falls off with the hook frame on hook plate.
In this way, when cylinder bores in carrying out boring procedure, cutting cylinder is remained off with cylinder, when cylinder brill is lifted up simultaneously
When being moved to deslagging position, compressing mechanism is pressed downward mandril, and the spring on mandril starts to compress, and then mandril moves downward, top
The link rotatable of bar lower end drives hook to turn an angle upward, and the hook frame on hook and cutting cylinder falls off, cut cylinder around
The pin shaft being connected with cylinder rotates and makes to cut cylinder and cylinder unlatching, and the cobble and the soil body in cylinder are poured onto deslagging position, leads to
Positive and negative rotation cylinder is crossed, shake is generated, the soil of inner barrel is shaken off completely；When being drilled again, drilling rod, which drives, to be bored
Head decentralization, the hook in open-and-close mechanism is connected again with the hook frame on hook plate, completes the installation of drill bit, can be carried out again
Rotary digging work, boring to dig until entire stake holes terminates.
As optimization, the cutting tooth is evenly distributed on the lower edge of cutting cylinder and the tooth tip of cutting tooth is set downwards
It sets.
In this way, it is more equal that cylinder bores the stress in drilling operation by the lower edge that cutting tooth is evenly distributed on to cutting cylinder
It is even, it is also more uniform to the active force of soil body drilling, be conducive to protect cutting tooth.
As optimization, the end-beveling setting of described section of slag bar one end in support, the direction of chamfering is upward.
In this way, when a section slag bar is rotated up in support, the end for cutting slag bar is not easy by that will cut the setting of slag bar chamfering
It is contradicted with the inner wall of cutting cylinder, and chamfering setting can prevent to reduce its rotation when cutting slag boom end and cutting cylinder contradicts
Frictional force.
As optimization, it is welded with slag blocking plate on described section of slag bar, slag bar is cut and is located on the center line of slag blocking plate.
In this way, the interdiction capability to cobble can be improved by slag blocking plate, and cut by cutting slag bar welding slag blocking plate
The setting of slag plate can reduce cylinder and bore when being lifted up the unrestrained of sandstone and soil in cylinder, cut a slag bar and be located in slag blocking plate
Make the stability of slag blocking plate more preferable on heart line.
As optimization, the slag blocking plate shape is triangular in shape, the both sides of two neighboring slag blocking plate it is parallel and have it is certain between
Away from.
In this way, the inside of multiple slag blocking plates and cutting cylinder together forms by the way that the shape of slag blocking plate is set as triangle
The top of the slag is cut, is in this way equal the gap between adjacent slag blocking plate, improves cylinder brill to the extractability of the cobble of different-grain diameter.
In conclusion the beneficial effects of the present invention are: this is bored when carrying out boring digging to boulder bed, especially works as drill bit
When encountering large-scale block stone and boulder bed, due to there is no to cut the obstruction of the original floor structure in cylinder bottom, can facilitate block stone and
Cobble is integrally wrapped in soil, is not needed be crushed to cobble again and can take out large-scale cobble from soil layer, is reduced and apply
Work cost；It, can be by slag blocking plate simultaneously in order to guarantee the problem of cylinder bores cobble in drilling process middle cylinder body and soil is fallen
Cutting cylinder inner wall is packed up and fitted in automatically during cylinder drilling row brill digging, after the completion of cylinder bores brill digging, at the extraction, slag blocking plate
The automatic traverse under the setting of gravity and baffle forms the blocking surface to cobble in cylinder and the soil body, effectively solves in this way
Conventional cylinder bore in cobble easily slide, cause cobble that can not take out, the low problem of pore-forming efficiency.
Detailed description of the invention
In order to keep the purposes, technical schemes and advantages of invention clearer, the present invention is made into one below in conjunction with attached drawing
The detailed description of step, in which:
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is top view of the invention；
Fig. 3 is the enlarged diagram of A in the present invention；
Fig. 4 is the enlarged diagram of B in the present invention.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawing.
Appended drawing reference in Figure of description includes: cover board 1, cylinder 2, cutting cylinder 3, cuts slag bar 4, support 5, connection square toes
6, cutting tooth 7, mandril 8, spring 9, limit plate 10, coupler body 11, hook plate 12, connecting rod 13, firm banking 14, slag blocking plate 15, connection
Otic placode 16.
The cylinder suitable for boulder bed in present embodiment bores, as shown in mono- Fig. 4 of Fig. 1, including cylinder 2, cutting
Cylinder 3 and open-and-close mechanism, the upper opening of cylinder 2 are provided with cover board 1, and 1 medium position of cover board is equipped with the connection side for drilling rod connection
First 6, the internal diameter and cylinder 2 for cutting cylinder 3 match, and cutting cylinder 3 is flexibly connected with the under shed of cylinder 2 by pin shaft and is located at cylinder
2 lower sections；Open-and-close mechanism is set in cylinder 2 and cutting cylinder 3 and cuts cylinder 3 and the folding of cylinder 2 for making；Cut the bottom sides of cylinder 3
Edge is uniformly equipped with multiple cutting tooths 7, is fixed with multiple anti-shedding mechanisms, multiple anti-dropout machines on 3 inner wall of cutting cylinder
Structure is circumferentially evenly distributed on the inner surface of cutting cylinder 3 and is generally aligned in the same plane, and each anti-shedding mechanism includes cutting slag bar 4, pin
With support 5, support 5 is vertically mounted on the inner wall of cutting cylinder 3, is cut slag bar 4 and is passed through pin and support 5 hingedly, the bottom of support 5
Equipped with horizontal baffle, baffle is located at the lower section for cutting slag bar 4 to limit the maximum angle for cutting slag bar 4 and rotating down, when a section slag bar 4
It is pivotally lowered into when being abutted with baffle, cuts a slag bar 4 and be exactly in horizontality.
This cylinder bores during use, drilling rod is connected with the square hole for connecting 6 top of square toes, and solid by connecting pin
Fixed, drilling rod lifts above drill bit to specified piling hole site, and drill bit is transferred to ground, starts to rotate forward, and bores while drilling
Bar applies certain downward pressure to drill bit, and the cutting tooth 7 of cutting 3 bottom of cylinder is started to work, the native slag and cobble in stake holes with
The drilling of cutting tooth 7, cut slag bar 4 by native slag and the power of cobble straight up, cut slag bar 4 by initial horizontality along propping up
The pin of seat 5 is rotated up, and slag bar 4 is cut straight up and upper end fitting cutting 3 inner wall of cylinder, in this way, opening only in the cylinder of cutting cylinder 3
Open area increases, and more large-sized cobble is able to enter in cutting cylinder 3 and cylinder 2；A depthkeeping is being drilled down to cylinder brill
It spends, after cobble and soil filling are full in cylinder 2, and it is closely knit to pressurize；Drilling rod stops operating, and cylinder 2 is promoted and arrives ground,
When cylinder 2 is lifted up, it is not affected by power straight up due to cutting slag bar 4, slag bar 4 is cut and is rotated down along the pin of support 5, cut
When slag bar 4 turns to horizontality, slag bar 4 is cut by the barrier effect of baffle and keeps horizontal, then multiple sections of slag bars 4 are being cut
The blocking surface to cobble and soil in cylinder 2 is formd in cylinder 3, the setting of baffle provides support force to slag bar 4 is cut, in this way
Cutting slag bar 4 prevents cobble and soil in cylinder 2 from falling downwards；After cylinder brill is lifted up and is moved to deslagging position, pass through
Closing device makes to cut cylinder 3 around the pin shaft rotation unlatching being connected with cylinder 2, and by positive and negative rotation cylinder 2, generation shake will
Soil inside cylinder 2 is shaken off, and drilling rod drives drill bit decentralization, and open-and-close mechanism is re-closed, the installation of drill bit is completed, is carried out again
Rotary digging work, until entire stake holes rotary digging terminates.
This brill eliminates the obstruction of floor structure in cutting 3 bottom of cylinder, is replaced by mobilizable section of slag bar 4, this
Sample increase cylinder brill drill through area, can be used in drilling through large-sized cobble and block stone, and block stone and cobble can integrally be wrapped
It is rolled in soil, without cobble be crushed and can be taken out large-scale cobble；In order to avoid cylinder bores the cylinder in drilling process
The problem of cobble and soil in body 2 are fallen, slag blocking plate 15 can be packed up automatically during cylinder creeps into row brill digging and fit in cutting
3 inner walls of cylinder, after the completion of drilling through, the automatic traverse under the gravity of cobble and the soil body in cylinder 2 of slag blocking plate 15 is formed to ovum
The blocking of stone and the soil body can effectively solve the problem that cobble easily slides in conventional cylinder brill, causes cobble that can not take out, pore-forming efficiency in this way
Low problem.
In a specific embodiment, the open-and-close mechanism includes mandril 8, hook plate 12, connection otic placode 16 and coupler body 11, hook plate
12 inner surfaces L-shaped and that cutting cylinder 3 is arranged in, hook plate 12 are fixed on cutting cylinder 3 by horizontal part, the vertical portion of hook plate 12
Upward and top is machined with lateral hook frame；Connection otic placode 16 is arranged in 3 other side of cutting cylinder with 12 face of hook plate
Surface, axis hole is machined in connection otic placode 16, and cutting cylinder 3 is flexibly connected by wearing pin shaft on axis hole with cylinder 2；On cover board also
Through-hole is offered, mandril 8 is vertically arranged, and lower end passes through through-hole and extends downwardly, and 8 upper end of mandril has the shaft shoulder, the shaft shoulder and top
Bar 8, which is exposed between the outer surface of cover board, is arranged with spring 9；Limit plate is fixed in the side of mandril 8 on the inner surface of cylinder 2
10, the vertical limit hole passed vertically through for 8 lower end of mandril is provided on limit plate 10, the limit hole is left for limiting mandril 8
It moves right；The lower end of mandril 8 is connected with vertical connecting rod 13, and connecting rod 13 and the lower end of mandril 8 are hinged；Cylinder 2 is in coupler body 11
The inner surface of side be provided with lateral firm banking 14, one end of coupler body 11 and connecting rod 13 pass through pin shaft rotation connection, hook
11 middle part of body is connect with pedestal by pin shaft；The other end of coupler body 11 is machined with hook directed downwardly, the position where hook of cylinder 2
Equipped with the opening stepped down for hook rotation；Above mandril 8 configured with push mandril 8 compressing mechanism, when the spring 9 not by
Under power state, hook, which catches on the hook frame on hook plate 12, keeps cutting cylinder 3 and cylinder 2 fixed, when the spring 9 is in compressive state
When, the hook in coupler body 11 is rotated up, so that hook falls off with the hook frame on hook plate 12.
In this way, when cylinder bores in carrying out boring procedure, cutting cylinder 3 is remained off with cylinder 2, when cylinder brill is lifted up
And when being moved to deslagging position, compressing mechanism is pressed downward mandril 8, and the spring 9 on mandril 8 starts to compress, and then mandril 8 is transported downwards
Dynamic, the rotation of connecting rod 13 of 8 lower end of mandril drives hook to turn an angle upward, and hook falls off with the hook frame on cutting cylinder 3, cuts
It cuts cylinder 3 to rotate around the pin shaft being connected with cylinder 2 and make to cut cylinder 3 and the unlatching of cylinder 2, the cobble and the soil body in cylinder 2 are toppled over
Shake is generated by positive and negative rotation cylinder 2 to deslagging position, the soil inside cylinder 2 is shaken off completely；When being bored again
Kong Shi, drilling rod drive drill bit decentralization, the hook in open-and-close mechanism are connected again with the hook frame on hook plate 12, completes the peace of drill bit
Dress, can carry out rotary digging work again, and boring to dig until entire stake holes terminates.
In a specific embodiment, the cutting tooth 7 is evenly distributed on the lower edge of cutting cylinder 3 and the tooth tip of cutting tooth 7
It is arranged downwards.
In this way, by the lower edge that cutting tooth 7 is evenly distributed on to cutting cylinder 3, cylinder bores in drilling operation that stress is more
Uniformly, also more uniform to the active force of soil body drilling, be conducive to protect cutting tooth 7.
In a specific embodiment, the end-beveling setting of described section of one end in support 5 of slag bar 4, the direction court of chamfering
On.
In this way, when a section slag bar 4 is rotated up in support 5, cutting the end of slag bar 4 by the way that the setting of 4 chamfering of slag bar will be cut
It is not easy to contradict with the inner wall of cutting cylinder 3, and chamfering setting can prevent to reduce when cutting 4 end of slag bar and cutting cylinder 3 contradicts
Its frictional force rotated.
In a specific embodiment, it is welded with slag blocking plate 15 on described section of slag bar 4, cuts slag bar 4 and is located in slag blocking plate 15
On heart line.
In this way, the interdiction capability to cobble can be improved by slag blocking plate 15 by cutting the welding slag blocking plate 15 of slag bar 4,
And the setting of slag blocking plate 15 can reduce cylinder and bore when being lifted up the unrestrained of sandstone and soil in cylinder 2, cut a slag bar 4 and be located at
Make the stability of slag blocking plate 15 more preferable on the center line of slag blocking plate 15.
In the implementation process of specific implementation, 15 shape of slag blocking plate is triangular in shape, and the two of two neighboring slag blocking plate 15
Side is parallel and has at regular intervals.
In this way, by the way that the shape of slag blocking plate 15 is set as triangle, the common shape in inside of multiple slag blocking plates 15 and cutting cylinder 3
It at section top of the slag, is in this way equal the gap between adjacent slag blocking plate 15, improves cylinder and bore mentioning to the cobble of different-grain diameter
Take ability.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although passing through ginseng
According to the preferred embodiment of the present invention, invention has been described, it should be appreciated by those of ordinary skill in the art that can
To make various changes to it in the form and details, without departing from the present invention defined by the appended claims
Spirit and scope.
Claims (6)
1. the cylinder for being suitable for boulder bed bores, including cylinder, cutting cylinder and open-and-close mechanism, the upper opening of cylinder are provided with cover board,
Cover board medium position is equipped with the connection square toes for drilling rod connection, and the internal diameter and cylinder for cutting cylinder match, and cutting cylinder passes through pin shaft
It is flexibly connected and is located at below cylinder with the under shed of cylinder；Open-and-close mechanism is set in cylinder and cutting cylinder for making to cut cylinder
It is opened and closed with cylinder；The bottom margin of cutting cylinder is uniformly equipped with multiple cutting tooths, it is characterised in that:
Multiple anti-shedding mechanisms are fixed on the cutting cylinder inner wall, multiple anti-shedding mechanisms are circumferentially evenly distributed on cutting cylinder
Inner surface and be generally aligned in the same plane, each anti-shedding mechanism includes cutting slag bar, pin and a support, and support is vertically mounted on cutting
On the inner wall of cylinder, section slag bar is hinged by pin and support, and the bottom of support is equipped with horizontal baffle, and baffle, which is located at, cuts slag bar
Lower section is to limit the maximum angle for cutting slag bar and rotating down, and when a section slag bar, which is pivotally lowered into, to abut with baffle, cuts slag bar just
In horizontality.
2. the cylinder according to claim 1 suitable for boulder bed bores, it is characterised in that: the open-and-close mechanism includes top
Bar, hook plate, connection otic placode and coupler body, hook plate is L-shaped and the inner surface of cutting cylinder is arranged in, and hook plate is fixed on by horizontal part and is cut
It cuts on cylinder, the vertical portion of hook plate is upward and top is machined with lateral hook frame；Connection otic placode is arranged in cuts with hook plate face
The inner surface of an other side is cut, axis hole is machined in connection otic placode, cutting cylinder is connected by wearing pin shaft and cylinder activity on axis hole
It connects；Through-hole is also provided on cover board, mandril is vertically arranged, and lower end passes through through-hole and extends downwardly, and mandril upper end has the shaft shoulder,
The shaft shoulder and mandril, which are exposed between the outer surface of cover board, is arranged with spring；In the side of mandril, fixation is limited on the inner surface of cylinder
Position plate is provided with the vertical limit hole passed vertically through for mandril lower end on limit plate, and the limit hole is for limiting mandril or so
It is mobile；The lower end of mandril is connected with vertical connecting rod, and the lower end of connecting rod and mandril is hinged；Interior table of the cylinder in the side of coupler body
Face is provided with lateral firm banking, and one end of coupler body and connecting rod are rotatablely connected by pin shaft, passes through pin with pedestal in the middle part of coupler body
Axis connection；The other end of coupler body is machined with hook directed downwardly, and cylinder position where hook is equipped with opens for what hook rotation was stepped down
Mouthful；Configured with the compressing mechanism for pushing mandril above mandril, when the spring is under non-stress, hook is caught on hook plate
Hook frame fixes cutting cylinder with cylinder, and when the spring is when in a compressed state, the hook in coupler body is rotated up, so that hook
It falls off with the hook frame on hook plate.
3. the cylinder according to claim 2 suitable for boulder bed bores, it is characterised in that: the cutting tooth is evenly distributed on
The tooth tip of the lower edge and cutting tooth that cut cylinder is arranged downwards.
4. the cylinder according to claim 1 suitable for boulder bed bores, it is characterised in that: described section of slag bar is one in support
The end-beveling at end is arranged, and the direction of chamfering is upward.
5. the cylinder according to claim 4 suitable for boulder bed bores, it is characterised in that: be welded with and cut on described section of slag bar
Slag plate cuts slag bar and is located on the center line of slag blocking plate.
6. the cylinder according to claim 5 suitable for boulder bed bores, it is characterised in that: the slag blocking plate shape is in triangle
The both sides of shape, two neighboring slag blocking plate are parallel and have at regular intervals.
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| CN201910579555.9A CN110118059A (en) | 2019-06-28 | 2019-06-28 | Cylinder suitable for boulder bed bores |
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| CN201910579555.9A CN110118059A (en) | 2019-06-28 | 2019-06-28 | Cylinder suitable for boulder bed bores |
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