CN109882077A - Axial groove cutting tool in hole - Google Patents
Axial groove cutting tool in hole Download PDFInfo
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- CN109882077A CN109882077A CN201910212922.1A CN201910212922A CN109882077A CN 109882077 A CN109882077 A CN 109882077A CN 201910212922 A CN201910212922 A CN 201910212922A CN 109882077 A CN109882077 A CN 109882077A
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- hole
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- 238000005553 drilling Methods 0.000 claims abstract description 62
- 238000004891 communication Methods 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 241001074085 Scophthalmus aquosus Species 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 239000011435 rock Substances 0.000 description 16
- 230000000694 effects Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000004880 explosion Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005422 blasting Methods 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 229910001080 W alloy Inorganic materials 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The invention discloses groove cutting tools axial in a kind of hole, are adapted to mount on drilling rod, including cylinder body, cutter, piston and tension device.The cylinder body includes side wall and bottom wall, and the side wall and the bottom wall surround cylinder chamber, and the side wall is equipped with axially extending cutter groove mouth, and the cutter groove mouth extends transversely through in the side wall, the cylinder chamber is in communication with the outside；The cutter can be towards being pivotally mounted in the cutter groove mouth inside and outside the cylinder body；It is intracavitary that the cylinder can be arranged in up or down in the piston between upper limit and lower limit, the upper end of the piston is abutted against with the cutter, when the piston moves up, the piston pushes cutter to swing to outside the cylinder body, so that the cutter stretches out the cylinder body from the cutter groove mouth；The tension device is connected with the piston, to pull the piston to move up.Axial groove cutting tool can be cut into axially directed slot in any depth that drills in hole of the present invention, and be suitable for the drilling of arbitrary angle and diameter.
Description
Technical field
The present invention relates to groove cutting tools axial in rock mass engineering project driller's grooving techniques field more particularly to a kind of hole.
Background technique
The cutting groove with certain shapes and specification is cut in rock mass engineering project drilling, can be to reach specific induction to cause
It splits purpose and advantage is provided.For example, can bored in control explosion directional splitting technology using Drillhole guide slitting machine
Guide groove is dug in hole, is conducive to the crack of explosion generation along guide groove Directional Extension.It is flat in order to obtain in control explosion
Whole rock crack face, it is highly important for accurately controlling rock rupture direction.Directional splitting technical research shows by changing
Become drilling shape and structure can make drilling connect with the heart face direction generate stress concentrate and preferentially form Oriented Fracture.It is fixed by developing
Drilling guide groove can be dug to fluting utensil, is conducive to the explosion plane of fracture and forms smooth rock along guide groove Directional Extension to open
Broken face reaches the control explosion purpose such as photoface exploision, presplit blasting.
The existing utensil for digging guide groove in the borehole is mainly used for cutting guide groove plane and drilling axis direction
Parallel guide groove (i.e. axially directed slot), and it is mainly used for Controlled blasting technique.Existing guide groove digs what device generated
Guide groove generally extends to bottom hole since aperture, and the structure for being primarily due to dig device is fixed, it is not possible to it adjusts,
Lead to that any depth guide groove can not be dug in drilling；It is not suitable for the drilling of arbitrary angle and diameter simultaneously yet.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, one object of the present invention
It is to propose axial groove cutting tool in a kind of hole, axially directed slot can be cut into any depth that drills, and be suitable for appointing
The drilling at meaning inclination angle and diameter.
Axial groove cutting tool, is adapted to mount on drilling rod in hole according to an embodiment of the present invention, comprising:
Cylinder body, the cylinder body include side wall and bottom wall, and the side wall and the bottom wall surround cylinder chamber, and the side wall is equipped with
Axially extending cutter groove mouth, the cutter groove mouth extend transversely through in the side wall, the cylinder chamber are in communication with the outside；
Cutter, the cutter can be towards being pivotally mounted in the cutter groove mouth inside and outside the cylinder body；
Piston, it is intracavitary that the piston can be arranged in up or down the cylinder between upper limit and lower limit, the work
The upper end of plug is abutted against with the cutter, and when the piston moves up, the piston pushes cutter to put to outside the cylinder body
It is dynamic, so that the cutter stretches out the cylinder body from the cutter groove mouth；
Tension device, the tension device are connected with the piston, to pull the piston to move up.
Axial groove cutting tool in hole according to an embodiment of the present invention, in use, groove cutting tool axial in hole is mounted on drilling rod,
And by groove cutting tool axial in hole and drilling rod merging drilling, until axial groove cutting tool reaches predetermined depth in hole, adjustment cutter groove mouth
Behind orientation, by drilling rod connecting on drilling machine vertical shaft, piston is pulled to move up by tension device, piston is pushed away when moving up
Cutter is swung to outside cylinder body, so that cutter stretches out cylinder body from cutter groove mouth and contacts with the wall of a borehole, while being mentioned by drill control
Vertical shaft is risen or transferred, drilling rod is followed and moves up and down, while the cutter of axial groove cutting tool also moves down on work on the wall of a borehole in hole
It is dynamic, and then axially directed slot is cut on the wall of a borehole.Axial groove cutting tool 100 can be from different length in the hole of the embodiment of the present invention
Degree drilling rod is used cooperatively, and is realized and is outputed axially directed slot in any depth of drilling.And since cutter can swingingly connect
It connects, so as to adaptively contact with the wall of a borehole, therefore, axial groove cutting tool is suitable for arbitrarily inclining in the hole of the embodiment of the present invention
The drilling at angle and diameter., can be with release tension device after the axially directed slot of drilling is cut, piston is in self gravitation effect
Under move down, cutter can make in hole axial groove cutting tool move down by transferring drilling machine vertical shaft, cutter is pressed by the wall of a borehole,
So that cutter playbacks towards swinging in cylinder body.
According to one embodiment of present invention, the tension device includes strainer and for being threaded through in the drilling rod
Wirerope in heart hole, the lower end of the wirerope are fixed with the piston, the upper end of the wirerope and the strainer phase
Even.
It according to one embodiment of present invention, further include spring, the upper end of the spring is connected with the lower end of the piston,
The lower end of the spring is connected with the bottom wall of the cylinder body.
It according to some embodiments of the present invention, further include limit rope, the lower end of the upper end of the limit rope and the piston
Fixed, the lower end of the limit rope and the bottom wall of the cylinder body are fixed.
It according to some embodiments of the present invention, further include connector for being connected with drilling rod, the connector is fixed on
The upper end of the cylinder body.
Further embodiment according to the present invention, the connector are connect with the drill rod thread.
Further embodiment according to the present invention, the lower end of the connector are equipped with baffle, and the baffle is located at described
The top of cylinder chamber, baffle described in the steel wire penetrating.
According to some embodiments of the present invention, further include indicating position for plane where cutter groove mouth described in real-time measurement
Direction finder, the direction finder is fixed on the downside of the bottom wall of the cylinder body.
According to some embodiments of the present invention, the lower end of the cutter groove mouth is equipped with installation axle, and the cutter is equipped with mounting hole,
The cutter is movably installed in the installation axle by the mounting hole.
According to some embodiments of the present invention, the cylinder body is cylinder, and there are two the cutter groove mouths, two cutter grooves
The central axis of cylinder body described in opening's edge is symmetrical arranged, and there are two the cutters, and two cutters are movably installed at respectively
In two cutter groove mouths.
According to some embodiments of the present invention, the cutter includes cutter hub and cutter head, and the cutter hub includes curved arch edge
With straight flange portion, the both ends of the curved arch edge are connected with the both ends in the straight flange portion respectively, and the cutter head is adaptedly embedded in
In the curved arch edge, the upper end of the piston is abutted against with the straight flange portion.
Further embodiment according to the present invention, there are two the mounting hole of the cutter is set, two mounting holes difference
The both ends of the curved arch edge and being connected on position for the both ends in the straight flange portion are close in, the cutter passes through described in two
In one in the mounting hole installation axle being mounted at a cutter groove mouth.
Further embodiment according to the present invention, the length in the straight flange portion are less than or equal to the radius of the cylinder body.
Further embodiment according to the present invention, the cutter head is using cutter head made of diamondite steel.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the axial cross-sectional views of axial groove cutting tool in the hole of the embodiment of the present invention.
Fig. 2 is a schematic diagram of the cutter of axial groove cutting tool in the hole of the embodiment of the present invention.
Fig. 3 is another schematic diagram of the cutter of axial groove cutting tool in the hole of the embodiment of the present invention.
Fig. 4 is the transverse cross-sectional view of axial groove cutting tool in the hole of the embodiment of the present invention.
Fig. 5 is the application scenario diagram of axial groove cutting tool in the hole of the embodiment of the present invention.
Fig. 6 is a schematic diagram of the course of work of axial groove cutting tool in the hole of the embodiment of the present invention.
Fig. 7 is another schematic diagram of the course of work of axial groove cutting tool in the hole of the embodiment of the present invention.
Fig. 8 is another schematic diagram of the course of work of axial groove cutting tool in the hole of the embodiment of the present invention.
Appended drawing reference:
Axial groove cutting tool 100 in hole
Drilling rod 1
23 cutter groove mouth of cylinder body 2 side wall, 21 bottom wall, 22 cylinder chamber, 24 installation axle 241
3 cutter hub of cutter, 31 cutter head, 32 mounting hole 33
Piston 4
5 strainer of tension device, 51 wirerope 52
Spring 6
Limit rope 7
8 baffle 81 of connector
Direction finder 9
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
Rock mass engineering project refers to that the mankind are to reach certain economy or social benefit and carry out by research object of natural rock mass
Engineering activity, including mining rock mass engineering project, rock mass in tunnel engineering, oil gas rock mass engineering project etc..Rock mass induced fracture technology refers to
The method that desired breaking effect is generated inside rock mass is lured by certain engineering means.Axially directed slot is induced in rock mass and is caused
Splitting the crack aspect generated in technology along drilling axis direction can play an important role, in control explosion, hydrofracturing ore-rock
Pretreatment, coal mine roof plate release is anti-reflection etc. to have wide application prospects.Axial groove cutting tool is that one kind can in hole of the invention
Any depth digs the utensil of axially directed slot in rock mass engineering project drilling, is the important work for ensureing rock mass induced fracture effect
Tool.
Axial groove cutting tool 100 in hole according to an embodiment of the present invention is described below with reference to Fig. 1 to Fig. 8.
As shown in figures 1-8, axial groove cutting tool 100 in hole according to an embodiment of the present invention, is adapted to mount on drilling rod 1, wraps
Include cylinder body 2, cutter 3, piston 4 and tension device 5.Wherein, cylinder body 2 includes side wall 21 and bottom wall 22, and side wall 21 and bottom wall 22 enclose
At cylinder chamber 23, side wall 21 is equipped with axially extending cutter groove mouth 24, and cutter groove mouth 24 is extended transversely through in side wall 21, by cylinder chamber 23 with
External world's connection；Cutter 3 can be towards being pivotally mounted in cutter groove mouth 24 inside and outside cylinder body 2；Piston 4 can be between upper limit and lower limit
It is arranged in cylinder chamber 23 up or down, upper end and the cutter 3 of piston 4 abut against, and when piston 4 moves up, piston 4 is pushed
Cutter 3 is swung to outside cylinder body 2, so that cutter 3 stretches out cylinder body 2 from cutter groove mouth 24；Tension device 5 is connected with piston 4, to pull work
Plug 4 moves up.
Specifically, axial groove cutting tool 100 in hole, is adapted to mount on drilling rod 1.It is appreciated that axial groove cutting tool in hole
100 may be mounted on drilling rod 1, and the length of drilling rod 1 can be realized by increasing and decreasing the number that drilling rod 1 uses, therefore, hole inner shaft
Cooperate drilling rod 1 that can carry out cutting guide groove in any depth of drilling to groove cutting tool 100.
Cylinder body 2 includes side wall 21 and bottom wall 22, and side wall 21 and bottom wall 22 surround cylinder chamber 23, can be used for accommodating cutter 3, living
The components such as plug 4；The upper end of cylinder chamber 23 is opening, be can be convenient in the installation of the components such as piston 4.Side wall 21 is equipped with axially extending
Cutter groove mouth 24, cutter groove mouth 24 extends transversely through in side wall 21, cylinder chamber 23 is in communication with the outside, and can be in this way cutter 3 towards cylinder
Offer activity and accommodation space when being swung inside and outside body 2.
Cutter 3 can be towards being pivotally mounted in cutter groove mouth 24 inside and outside cylinder body 2；In other words, cutter 3 can be towards pendulum outside cylinder body 2
It is dynamic, it stretches out 2 outside of cylinder body and is contacted with hole wall, with axially cutting hole wall；When not needing axially cutting hole wall, cutter 3 can be with
By transferring drilling machine vertical shaft axial groove cutting tool 100 in hole is moved down, cutter 3 is pressed by the wall of a borehole, so that 3 court of cutter
It swings and playbacks in cylinder body 2.
Piston 4 can be arranged in up or down in cylinder chamber 23 between upper limit and lower limit, the upper end of piston 4 and cutter
3 abut against, in this way, piston 4 can push cutter 3 to swing to outside cylinder body 2 when piston 4 moves up, so that cutter 3 is from knife
Notch 24 stretches out cylinder body 2 and contacts with the wall of a borehole；When not needing cutting burr hole wall, make piston 4 under the effect of gravity
It moves down, cutter 3 can make axial groove cutting tool 100 in hole move down by transferring drilling machine vertical shaft, press knife by the wall of a borehole
Tool 3, so that cutter 3 playbacks towards swinging in cylinder body 2.
Tension device 5 is connected with piston 4, to pull piston 4 to move up.As a result, as shown in fig. 6, when needing to drilling
When wall carries out axially cutting, piston 4 can be pulled to move up by tension device 5, during piston 4 moves up, pushed away
Cutter, which 3 surpasses to swing and stretch out outside cylinder body 2, to be contacted outside cylinder body 2 with the wall of a borehole.As shown in Figure 7 and Figure 8, when not needing to the wall of a borehole
When carrying out axially cutting, release tension device 5, piston moves down under self gravitation effect, and cutter 3 can be bored by decentralization
Machine vertical shaft moves down axial groove cutting tool 100, presses cutter 3 by the wall of a borehole, so that cutter 3 is towards putting in cylinder body 2
It moves and playbacks.
Axial groove cutting tool 100 in hole according to an embodiment of the present invention, in use, groove cutting tool 100 axial in hole is mounted on
On drilling rod 1, and by groove cutting tool 100 axial in hole and the merging drilling of drilling rod 1, until axial groove cutting tool 100 reaches pre- depthkeeping in hole
It spends, behind the orientation for adjusting cutter groove mouth 24, drilling rod 1 is connect on drilling machine vertical shaft, pull piston 4 to move up by tension device 5,
Piston 4 when moving up, push cutter 3 swung to outside cylinder body 2 so that cutter 3 from cutter groove mouth 24 stretch out cylinder body 2 and with drilling
Wall contact, while vertical shaft is promoted or transferred by drill control, it follows drilling rod 1 and moves up and down, while axial groove cutting tool in hole
100 cutter 3 also moves up and down on the wall of a borehole, and then axially directed slot is cut on the wall of a borehole.The embodiment of the present invention
Hole in axial groove cutting tool 100 can be used cooperatively with different length drilling rod 1, realize and output axial direction in any depth of drilling
Guide groove.And since cutter can be connected swingingly, so as to adaptively contact with the wall of a borehole, therefore, the present invention is real
Apply the drilling that axial groove cutting tool 100 in the hole of example is suitable for arbitrary angle and diameter.After the axially directed slot of drilling is cut,
It can be moved down under self gravitation effect with release tension device 5, piston 4, cutter 3 can be made by transferring drilling machine vertical shaft
Axial groove cutting tool 100 moves down in hole, presses cutter 3 by the wall of a borehole, so that cutter 3 playbacks towards swinging in cylinder body 2.
As shown in Figure 1 and Figure 5, according to one embodiment of present invention, tension device 5 is including strainer 51 and for wearing
Wirerope 52 in the centre bore of drilling rod 1, the lower end of wirerope 52 and piston 4 are fixed, the upper end of wirerope 52 and strainer
51 are connected.When in use, wirerope 52 to be passed through to the centre bore of drilling rod 1, upper end connect with strainer 51, draws by strainer 51
Tight wirerope 52 moves up, and piston 4 follows wirerope 52 to move up, meanwhile, piston 4 pushes cutter 3 towards pendulum outside cylinder body 2
It is dynamic, contact cutter 3 with the wall of a borehole.Driving piston 4 is realized by strainer 51 and wirerope 52 as a result, to move up, and is tied
Structure is simple, easy for installation.
It as shown in Figure 1 and Figure 5, according to one embodiment of present invention, further include for spring 6, the upper end of spring 6 and piston
4 lower end is connected, and the lower end of spring 6 is connected with the bottom wall 22 of cylinder body 2.By being arranged between piston 4 and the bottom wall 22 of cylinder body 2
Spring 6, when piston 4 is when moving up, spring 6 is elongated, and then when release tension device 5, piston 4 is in self gravity and bullet
It is moved down under 6 active force of spring, and cutter 3 can make axial groove cutting tool 100 in hole move down by transferring drilling machine vertical shaft, pass through
The wall of a borehole presses cutter 3, so that cutter 3 playbacks towards swinging in cylinder body 2.
It as shown in Figure 1 and Figure 5, according to some embodiments of the present invention, further include limit rope 7, the upper end of limit rope 7 and work
The lower end of plug 4 is fixed, and the lower end of limit rope 7 and the bottom wall 22 of cylinder body 2 are fixed.As a result, by setting limit rope 7, can limit
The range that piston 4 moves up, can control piston 4 and move up will not skid off upper limit.
As shown in Figure 1 and Figure 5, according to some embodiments of the present invention, further include connector 8 for being connected with drilling rod 1,
Connector 8 is fixed on the upper end of cylinder body 2.Specifically, connector 8 can be fixed on by welding on cylinder body 2, by
Connector 8 is set on cylinder body 2, can be convenient and groove cutting tool axial in hole is mounted on drilling rod 1.
Further embodiment according to the present invention, connector 8 are threadedly coupled with drilling rod 1.Specifically, connector 8 is equipped with interior
Screw thread, drilling rod 1 are equipped with external screw thread, and connector 8 is connect with drilling rod 1 by internal screw thread and externally threaded cooperation, thus, it is possible to
Axial groove cutting tool 100 is mounted on drilling rod 1 in quick and convenient hole.
The lower end of further embodiment according to the present invention, connector 8 is equipped with baffle 81, and baffle 81 is located at cylinder chamber 23
Top, wirerope 52 pass through baffle 81.As a result, by setting baffle 81, piston 4 can be prevented to be drawn out cylinder chamber 23.According to this
Some embodiments of invention, further include the direction finder 9 for the indicating position of 24 place plane of real-time measurement cutter groove mouth, direction finder
9 are fixed on the downside of the bottom wall 22 of cylinder body 2.By direction finder 9, the instruction side of 24 place plane of cutter groove mouth can be measured in real time
Position, and by the work computer at the azimuth measured wirelessly real-time Transmission to hell, be conducive to adjust by drilling rod 1
Whole drive cylinder body 2 rotates so that cutter groove mouth 24 is in scheduled orientation, outputs axis in the arbitrary orientation of drilling thus, it is possible to realize
To guide groove.
As shown in figure 4, according to some embodiments of the present invention, the lower end of cutter groove mouth 24 is equipped with installation axle 241, and cutter 3 is set
There is mounting hole 33, cutter 3 is movably installed in installation axle 241 by mounting hole 33, and mounting structure is simple.
According to some embodiments of the present invention, cylinder body 2 is cylinder, and there are two cutter groove mouths 24, and two cutter groove mouths 24 are along cylinder
The central axis of body 2 is symmetrical arranged, and there are two cutters 3, and two cutters 3 are movably installed at respectively in two cutter groove mouths 24.
By being symmetrical arranged two cutter groove mouths 24 and two cutters 3, the efficiency of cutting can be promoted.
As shown in Figures 2 and 3, according to some embodiments of the present invention, cutter 3 includes cutter hub 31 and cutter head 32, cutter hub 31
Including curved arch edge and straight flange portion, cutter head 32 is adaptedly embedded in curved arch edge, and upper end and the straight flange portion of piston 4 offset
It connects.By the way that cutter hub 31 is arranged to curved arch edge, it is ensured that the cutter head 32 of cutter 3 is suitable for better contacting with the wall of a borehole cutting
It cuts；By the way that cutter head 32 and cutter hub 31 are arranged to two bodies, it can according to need and be made of unlike material, it is ensured that cutter head 32 is excellent
In the case where performance, reduce costs.For example, cutter hub 31 can be made of common iron, cutter head 32 can be using high intensity
The material of erosion resistant is made.After cutter head 32 is worn, cutter head 32 can be replaced.
Further embodiment according to the present invention, there are two the mounting hole 33 of cutter 3 is set, two mounting holes 33 close on respectively
In the both ends of curved arch edge and being connected on position for the both ends in straight flange portion, cutter 3 passes through a peace in two mounting holes 33
In the installation axle 241 at a cutter groove mouth 24.As a result, after 32 part of the cutter head of cutter 3 is worn, installation can be removed
In the installation axle 241 at another cutter groove mouth 24, in this way, the cutter head 32 of cutter 3 can be made full use of.
Further embodiment according to the present invention, the length in straight flange portion are less than or equal to the radius of cylinder body 2.It is advantageous as a result,
It can be contained in cylinder chamber 23 in two cutters 3.
Further embodiment according to the present invention, cutter head 32 is using cutter head 32 made of diamondite steel.Due to carbonization
Tungsten alloy steel have high-strength abrasion-proof erosion excellent performance, it may therefore be assured that when the use of cutter head 32 performance requirement, guarantee
The service life of axial groove cutting tool 100 in hole.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned term
Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can be combined in any suitable manner in any one or more of the embodiments or examples.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is defined by the claims and their equivalents.
Claims (14)
1. axial groove cutting tool in a kind of hole, which is characterized in that be adapted to mount on drilling rod, comprising:
Cylinder body, the cylinder body include side wall and bottom wall, and the side wall and the bottom wall surround cylinder chamber, and the side wall is equipped with axial
The cutter groove mouth of extension, the cutter groove mouth extend transversely through in the side wall, the cylinder chamber are in communication with the outside；
Cutter, the cutter can be towards being pivotally mounted in the cutter groove mouth inside and outside the cylinder body；
Piston, it is intracavitary that the piston can be arranged in up or down the cylinder between upper limit and lower limit, the piston
Upper end is abutted against with the cutter, and when the piston moves up, the piston pushes cutter to swing to outside the cylinder body, with
The cutter is set to stretch out the cylinder body from the cutter groove mouth；
Tension device, the tension device are connected with the piston, to pull the piston to move up.
2. axial groove cutting tool in hole according to claim 1, which is characterized in that the tension device includes strainer and use
Wirerope in the centre bore for being threaded through the drilling rod, the lower end of the wirerope are fixed with the piston, the wirerope
Upper end be connected with the strainer.
3. axial groove cutting tool in hole according to claim 1, which is characterized in that it further include spring, the upper end of the spring
It is connected with the lower end of the piston, the lower end of the spring is connected with the bottom wall of the cylinder body.
4. axial groove cutting tool in hole described in any one of -3 according to claim 1, which is characterized in that it further include limit rope,
The upper end of the limit rope and the lower end of the piston are fixed, and the bottom wall of the lower end of the limit rope and the cylinder body is solid
It is fixed.
5. axial groove cutting tool in hole described in any one of -3 according to claim 1, which is characterized in that further include for brill
The connected connector of bar, the connector are fixed on the upper end of the cylinder body.
6. axial groove cutting tool in hole according to claim 5, which is characterized in that the connector and the drill rod thread connect
It connects.
7. axial groove cutting tool in hole according to claim 5, which is characterized in that the lower end of the connector is equipped with gear
Plate, the baffle are located at the top of the cylinder chamber, baffle described in the steel wire penetrating.
8. axial groove cutting tool in hole described in any one of -3 according to claim 1, which is characterized in that further include for real-time
The direction finder of the indicating position of plane, the direction finder are fixed on the bottom wall of the cylinder body where measuring the cutter groove mouth
Downside.
9. axial groove cutting tool in hole described in any one of -3 according to claim 1, which is characterized in that under the cutter groove mouth
End is equipped with installation axle, and the cutter is equipped with mounting hole, and the cutter is movably installed at the installation by the mounting hole
On axis.
10. axial groove cutting tool in hole described in any one of -3 according to claim 1, which is characterized in that the cylinder body is circle
Cylindricality, there are two the cutter groove mouths, and the central axis of cylinder body described in two cutter groove opening's edges is symmetrical arranged, and the cutter has two
A, two cutters are movably installed at respectively in two cutter groove mouths.
11. axial groove cutting tool in hole described in any one of -3 according to claim 1, which is characterized in that the cutter includes
Cutter hub and cutter head, the cutter hub include curved arch edge and straight flange portion, the both ends of the curved arch edge respectively with the straight flange
The both ends in portion are connected, and the cutter head is adaptedly embedded in the curved arch edge, the upper end of the piston and the straight flange portion
It abuts against.
12. axial groove cutting tool in hole according to claim 11, which is characterized in that the mounting hole of the cutter is equipped with two
A, two mounting holes are close in the both ends of the curved arch edge and the position that is connected at the both ends in the straight flange portion respectively
On, the cutter passes through in an installation axle being mounted at a cutter groove mouth in two mounting holes.
13. axial groove cutting tool in hole according to claim 11, which is characterized in that the length in the straight flange portion is less than or waits
In the radius of the cylinder body.
14. axial groove cutting tool in hole according to claim 11, which is characterized in that the cutter head uses diamondite steel
Manufactured cutter head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910212922.1A CN109882077A (en) | 2019-03-20 | 2019-03-20 | Axial groove cutting tool in hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910212922.1A CN109882077A (en) | 2019-03-20 | 2019-03-20 | Axial groove cutting tool in hole |
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| Publication Number | Publication Date |
|---|---|
| CN109882077A true CN109882077A (en) | 2019-06-14 |
Family
ID=66933143
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910212922.1A Pending CN109882077A (en) | 2019-03-20 | 2019-03-20 | Axial groove cutting tool in hole |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1204425A (en) * | 1957-04-01 | 1960-01-26 | Joy Mfg Co | Self-advancing cutting bit for casings |
| CN2115398U (en) * | 1992-03-03 | 1992-09-09 | 李珩 | Radial slotted drill bits |
| CN104775813A (en) * | 2015-03-26 | 2015-07-15 | 天地科技股份有限公司 | Openable/closable inside-hole longitudinal slot-cutting apparatus |
| CN105952384A (en) * | 2016-06-23 | 2016-09-21 | 大同煤矿集团有限责任公司 | Hydraulic fracture orthogonal combination double-edge grooving drill bit |
| CN206860129U (en) * | 2017-05-05 | 2018-01-09 | 北京博德世达石油技术股份有限公司 | Casing cutter |
| CN209942743U (en) * | 2019-03-20 | 2020-01-14 | 中国恩菲工程技术有限公司 | Axial grooving device in hole |
-
2019
- 2019-03-20 CN CN201910212922.1A patent/CN109882077A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1204425A (en) * | 1957-04-01 | 1960-01-26 | Joy Mfg Co | Self-advancing cutting bit for casings |
| CN2115398U (en) * | 1992-03-03 | 1992-09-09 | 李珩 | Radial slotted drill bits |
| CN104775813A (en) * | 2015-03-26 | 2015-07-15 | 天地科技股份有限公司 | Openable/closable inside-hole longitudinal slot-cutting apparatus |
| CN105952384A (en) * | 2016-06-23 | 2016-09-21 | 大同煤矿集团有限责任公司 | Hydraulic fracture orthogonal combination double-edge grooving drill bit |
| CN206860129U (en) * | 2017-05-05 | 2018-01-09 | 北京博德世达石油技术股份有限公司 | Casing cutter |
| CN209942743U (en) * | 2019-03-20 | 2020-01-14 | 中国恩菲工程技术有限公司 | Axial grooving device in hole |
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