CN205618086U - Single -chisel bit - Google Patents
Single -chisel bit Download PDFInfo
- Publication number
- CN205618086U CN205618086U CN201620367444.3U CN201620367444U CN205618086U CN 205618086 U CN205618086 U CN 205618086U CN 201620367444 U CN201620367444 U CN 201620367444U CN 205618086 U CN205618086 U CN 205618086U
- Authority
- CN
- China
- Prior art keywords
- bore bit
- groove
- blade
- mono
- pricker body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000005520 cutting process Methods 0.000 claims abstract description 57
- 238000009434 installation Methods 0.000 claims description 29
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 25
- 229910052802 copper Inorganic materials 0.000 claims description 25
- 239000010949 copper Substances 0.000 claims description 25
- 229910000831 Steel Inorganic materials 0.000 claims description 22
- 239000010959 steel Substances 0.000 claims description 22
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract description 17
- 230000000694 effects Effects 0.000 abstract description 12
- 230000006872 improvement Effects 0.000 abstract description 7
- 229910000531 Co alloy Inorganic materials 0.000 abstract description 4
- JPNWDVUTVSTKMV-UHFFFAOYSA-N cobalt tungsten Chemical compound [Co].[W] JPNWDVUTVSTKMV-UHFFFAOYSA-N 0.000 abstract description 4
- 238000009826 distribution Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 238000005457 optimization Methods 0.000 abstract description 3
- 230000008859 change Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 12
- 239000002245 particle Substances 0.000 description 11
- 239000002826 coolant Substances 0.000 description 9
- 239000011435 rock Substances 0.000 description 5
- 230000008719 thickening Effects 0.000 description 4
- 239000000956 alloy Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 210000004233 talus Anatomy 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model discloses an in this bore bit, the improvement through the distribution of the shape to the bore bit cutting edge and material strengthens the intensity of bore bit cutting edge when the cutting, still through improving bore bit cutting edge and the connection structure of the borer body and the configuration optimization of the cooling system on the bore bit, chip groove, strengthens the cooling effect and the chip removal effect of bore bit to prolong the life of bore bit greatly, just so can avoid the bore bit fragile, need ordinarily change the emergence of bore bit phenomenon. The bore bit cutting edge of installing in this bore bit is forged by the tungsten -cobalt alloy to form, makes it have higher intensity and wear resistance, improves the life of bore bit cutting edge greatly.
Description
Technical field
This utility model relates to a kind of rock drill parts, more specifically, it relates to a kind of mono-line bit.
Background technology
nullBore bit is the vitals on rock drill，Its bore bit is typically made up of bore bit main body and alloy blade，It is equiped with alloy blade in the front end of bore bit main body，Bore bit is arranged on the drill steel of rock drill，Its drill steel is mesopore，And with being passed through coolant, bore bit can be lowered the temperature，In use，Bore bit main body easily crack damage under the twisting force that rock drill is huge，Bore bit can be scrapped all over，Increase use cost，And number of patent application is the utility model patent of 200720123043.4，For the problems referred to above，It discloses a kind of Seizing-proof rock-drill bit，Including bore bit blade、Bore bit front end、Bore bit middle-end and bore bit rear end，2 ~ 6 thickening layers it are provided with in bore bit rear end，Thickening layer is symmetrical，Process that to make to increase a bore bit more firm by carrying out thickening in bore bit main body，The most above-mentioned patent has simply carried out reinforcement process to the structure of bore bit body，And its bore bit blade being arranged on bore bit front end is also installed card simply by traditional production technology and is embedded on bore bit front end，Make bore bit blade too low with the bonding strength of bore bit body，Easily produce loosen with bore bit body，Even depart from from bore bit body，Affect work efficiency.
Utility model content
The deficiency existed for prior art, the purpose of this utility model is the mono-line bit providing a kind of bore bit blade to firmly install.
For achieving the above object, this utility model provides following technical scheme: a kind of mono-line bit, including pricker body and bore bit blade, described pricker body front end is arranged with cutting face and the installation draw-in groove for inlay card bore bit blade, joint gap is formed between described bore bit blade and installation draw-in groove, it is filled with connection bore bit blade and the cast copper connector of pricker body in described joint gap, in described installation draw-in groove, is additionally provided with the conflict tooth for offseting with bore bit blade.
By using technique scheme, inlay card is arranged on the bore bit blade of bore bit front end and is made up of specific alloy material of tungsten cobalt alloy, and its tungsten-cobalt alloy has high intensity, the high characteristic such as heat-resisting, thus is greatly enhanced the performance of bore bit blade；nullWhen bore bit blade being installed embedding and installing in draw-in groove，It is installed draw-in groove and just can be clamped in by bore bit blade inlay card on the opening installing draw-in groove，The one end making bore bit blade can be protruding from the front end of pricker body，The other end of bore bit blade then can embed in installation draw-in groove，And form filling gap with installing draw-in groove，The preliminary installation realizing bore bit blade just can be coordinated by the installation between installation draw-in groove and bore bit blade，After bore bit blade completes inlay card in installing draw-in groove，Just can fill in gap in the cast copper of molten condition being filled in filling gap，Then cast copper cooled and solidified is made，After solidification cooling，Its cast copper just can form cast copper connector in filling gap，Just bore bit body and pricker body can be bonded together by cast copper connector，Bore bit blade is made to form one with bore bit，Greatly strengthen the bonding strength between bore bit blade and pricker body，Make bore bit blade when bore bit uses，It is not easy to pricker body and produces loosening，Substantially increase the service life of bore bit.
And its conflict tooth is provided in installing the opening part filling gap that draw-in groove is formed with bore bit blade, but will fill the both ends open bending blocking in gap, this makes it possible in conflict tooth with the gap of installation draw-in groove, be passed through the cast copper incorporated under state gap cast；And during pouring into a mould, the cast copper of cast just can be passed through in installation draw-in groove from the gap formed between conflict tooth and installation draw-in groove two side, and the conflict tooth that be arranged on the installation draw-in groove other end then can play the effect effectively playing obstruction backgauge；And when installing installation inlay card bore bit blade in draw-in groove, bore bit blade can be played support and conflict so by its conflict tooth so that bore bit blade can form filling gap with installing draw-in groove ground, facilitates the setting of gap cast copper fixing body.
Preferably, on described bore bit blade, the end face inconsistent with conflict tooth is provided with curved surface.
By using technique scheme, on bore bit blade, inlay card is arranged on the main body that the bore bit blade installed in draw-in groove can be bore bit blade, and on the end face of this one end, it is provided with curved surface, when so making bore bit blade stress, more efficiently active force can be decomposed, thus strengthen the structural strength of whole bore bit blade；And one end of its bore bit blade is curved surface, so it is also possible that one end of bore bit blade can more preferably fairing, be convenient for people to bore bit blade of taking.
Preferably, on described bore bit blade, one section of remotely mounted draw-in groove is cutting end, and described cutting end is provided with the cutting end face coincided with cutting face, and described cutting end face is crossed to form the cutting edge of arc-shaped.
By using technique scheme, the cutting edge center of arc-shaped can raise up, thus when cutting, conveniently from bore bit blade both sides, chip is carried out chip removal work, it is to avoid talus accumulation.And cutting edge is arc-shaped, the most also make cutting edge in for arciform, thus be greatly enhanced cutting edge by force intensity so that whole bore bit, more resistant to mill, strengthens service life of the bits.
Preferably, described pricker body being additionally provided with dregs guiding groove, described dregs guiding groove forms sector open on cutting face.
By using technique scheme, this bore bit is in use, after building stones cutting is pulverized by bore bit blade, particle just can quickly be discharged along dregs guiding groove, and the sector open that dregs guiding groove is formed on cutting face, increase the dregs guiding groove opening in cutting face such that it is able to make particle can more quickly enter dregs guiding groove, facilitate the row of particle to lead.By the effect of dregs guiding groove, particle is arranged derivation timely such that it is able to the effective reduction particle abrasion to bore bit, thus be greatly improved the service life of bore bit.
Preferably, described dregs guiding groove bottom surface is provided with the arc-shaped curved surface of indent.
By using technique scheme, after arranging arc-shaped curved surface in dregs guiding groove, it becomes possible to increase the volume of dregs guiding groove depression, this makes it possible to accommodate more bigger particle, it is to avoid the particle abrasion to pricker body.
Preferably, the apopore being connected with drill steel is also set in described dregs guiding groove.
By using technique scheme, when bore bit works, coolant just can spray from apopore, thus cools bore bit blade, strengthens the service life of bore bit blade.
Preferably, described pricker body is additionally provided with the connecting hole for connecting drill steel；The exhalant canal of apopore and connecting hole it is communicated with on described pricker body.
By using technique scheme, in this bore bit, exhalant canal and apopore broadly fall into cooling system, when bore bit is installed and used, drill steel is just inserted in the connecting hole of bore bit, can being set in bore bit safety and stability in pricker body, it is connected with the drill steel installation of rock drill by the connecting hole on pricker body, after bore bit completes to install, its be arranged on the exhalant canal on pricker body just can with offer pertusate drill steel complete install be connected, enable to exhalant canal be connected with drill steel, it is achieved water inlet so that apopore completes to spray coolant and realizes lubrication.
And when bore bit being cooled down by cooling system, it is possible to reach the effect of cooling to cast copper connector, it is to avoid cast copper connector reaches fusing point, thus ensure that the fastness of bore bit front end.
Preferably, described exhalant canal axis and pricker body axis formation angle a, 40 °≤a≤70 °.
By using technique scheme; its axis connecting ring is that the axis with pricker body overlaps; and the axis of exhalant canal and pricker body forms angle; so exhalant canal just can form angle with being connected ring, it is to avoid particle directly enters from exhalant canal and connects in ring and drill steel, effectively to connecting ring and drill steel is protected; particle blocking is avoided to connect ring; make that coolant flows in whole pricker body is more smooth and easy, enhances the cooling effectiveness of coolant, is of value to the protection to bore bit.
Preferably, described exhalant canal forms the connection ring for being connected with hollow drill rod in the bottom surface of connecting hole.
By using technique scheme; after bore bit completes to install; be arranged in connecting hole connect ring just can by externally threaded such be connected with drill steel tightr; the coolant on drill steel can be facilitated to be passed directly in the exhalant canal of pricker body; make the cooling water water yield on bore bit more sufficient; strengthen cooling effect, have and be prone to the protection to bore bit, increase the service life of bore bit；And connect on ring can with the attachment structure such as be threaded, strengthen the bonding strength and sealing effectiveness connected between ring and drill steel.
In sum, this utility model has the advantages that by the shape of bore bit blade and the improvement of Distribution of materials strengthen the bore bit blade intensity when cutting, also by the cooling system on improvement bore bit blade and the attachment structure of pricker body and bore bit, the structure optimization of chip area, strengthen cooling effect and the chip removal effect of bore bit, thus it is greatly prolonged the service life of bore bit, this makes it possible to avoid bore bit fragile, need the generation of ordinary replacing bore bit phenomenon.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment one；
Fig. 2 is the enlarged drawing of A in Fig. 1；
Fig. 3 is the front view of embodiment one；
Fig. 4 is the sectional view of B-B in Fig. 3；
Fig. 5 is the enlarged drawing of C in Fig. 4；
Fig. 6 is the sectional view of embodiment two.
Reference: 1, pricker body；11, cutting face；12, dregs guiding groove；121, arc-shaped curved surface；122, sector open；2, bore bit blade；21, installation end；211, curved surface；22, cutting end；221, cutting end face；222, cutting edge；3, draw-in groove is installed；31, conflict tooth；32, gap is filled；4, cast copper connector；5, apopore；6, connecting hole；7, ring is connected；72, external screw thread；72, mounting groove；8, exhalant canal；9, rubber seal；91, limited location snap ring.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in further detail.
This specific embodiment is only to explanation of the present utility model; it is not to restriction of the present utility model; the present embodiment can be made after reading this specification by those skilled in the art as required does not has the amendment of creative contribution, but as long as all being protected by Patent Law in right of the present utility model.
Embodiment one: a kind of mono-line bit, in this bore bit, as shown in Figure 1, Figure 2 and Figure 4, by the shape of bore bit blade 2 and the improvement of Distribution of materials being strengthened the bore bit blade 2 intensity when cutting, also by the cooling system on improvement bore bit blade 2 and the attachment structure of pricker body 1 and bore bit, the structure optimization of chip area, strengthen cooling effect and the chip removal effect of bore bit, thus be greatly prolonged the service life of bore bit, this makes it possible to avoid bore bit fragile, need the generation of ordinary replacing bore bit phenomenon.
As in figure 2 it is shown, the bore bit blade 2 installed in this bore bit is to be formed by tungsten-cobalt alloy forging so that it is there is higher intensity and anti-wear performance, be greatly improved the service life of bore bit blade 2.
As shown in Figure 2, the installation end 21 of bore bit blade 2 and the cutting end 22 being arranged on outside installation draw-in groove 3, its cutting end 22 is provided with the cutting end face 221 that coincide parallel with place, cutting face 11, can make to allow bore bit blade 2 be connected with the front end of pricker body 1 so that the more close and firm that bore bit blade 2 is connected with pricker body 1；After bore bit blade 2 is embedded installation draw-in groove 3, installation end 21 just can enter in installation draw-in groove 3 by inlay card, and it is provided with curved surface 211 on end face away from cutting end 22 on installation end 21, when this makes it possible to so that bore bit blade 2 stress, more efficiently active force can be decomposed, thus strengthen the structural strength of whole bore bit blade 2；Cutting end face 221 is crossed to form cutting edge 222 in cutting end 22, so it is also convenient for the processing of cutting edge 222, its cutting edge 222 is arc-shaped, cutting edge 222 center of arc-shaped can raise up, thus when cutting, conveniently chip is carried out chip removal work from bore bit blade 2 both sides, it is to avoid talus accumulation.And cutting edge 222 is arc-shaped, the most also make cutting edge 222 in for arciform, thus be greatly enhanced cutting edge 222 by force intensity so that whole bore bit, more resistant to mill, strengthens service life of the bits.And because the cutting edge 222 on bore bit blade 2 is arc-shaped, the installation draw-in groove 3 that the front end of its pricker body 1 is put also is distributed in arc-shaped on the front end of pricker body 1, this makes it possible to coordinate so that being more easily installed between bore bit blade 2 with pricker body 1.
As shown in Figure 2, when the pricker body 1 of bore bit installs bore bit blade 2, in draw-in groove 3 is installed, also fill cast copper connector 4, after being cooled down by cast copper, bore bit blade 2 and pricker body 1 adhesion are fixed together, make bore bit blade 2 and one entirety of the more enough formation of pricker body 1, greatly strengthen the bonding strength of bore bit blade 2 and pricker body 1 so that the more close and firm that bore bit blade 2 is installed on pricker body 1.
And bore bit blade 2 be arranged on installation draw-in groove 3 in time, as in figure 2 it is shown, bore bit blade 2 can block is embedded in the opening part installing draw-in groove 3, bore bit blade 2 forms gap with installing draw-in groove 3, these gaps will be filled with by cast copper connector 4, and bore bit blade 2 is firmly installed in the front end of pricker body 1.And card is embedded in the one end installed in draw-in groove 3 and is provided with curved surface 211 on bore bit blade 2, so can either be convenient for people to hold bore bit blade 2, and bore bit blade 2 can also be greatly increased and cut the area in installing draw-in groove 3, so when cast copper is cooled into cast copper connector 4, the contact surface between bore bit blade 2 and cast copper connector 4 can be increased so that bore bit blade 2 can be more firm with what cast copper connector 4 was connected.
As shown in Figure 2, it installs draw-in groove 3 is also U-shaped, its bottom surface can be plane or semicircle cambered surface, and the two side installing draw-in groove 3 is vertically arranged on bottom surface, installation settings conflict tooth 31 can be facilitated when bottom surface is plane, and bottom surface is when being semicircle cambered surface, then can increase the contact area installed between draw-in groove 3 one cast copper connector 4, and the bottom surface installing draw-in groove 3 is when being plane, it is installed draw-in groove 3 and also has bigger contact surface with cast copper connector 4, so can be by increasing the contact area installing draw-in groove 3 with cast copper connector 4, thus it is greatly enhanced the bonding strength between cast copper connector 4 and pricker body 1, bore bit blade 2 can be more firmly mounted in installing draw-in groove 3 reliable.
As in figure 2 it is shown, be provided with conflict tooth 31 on the bottom land installing draw-in groove 3, its conflict tooth 31 is arranged on the two ends installing draw-in groove 3, so when cast copper connector 4 realizes Intercepting effect, additionally it is possible to bore bit blade 2 plays good support conflict effect.
As shown in figures 1 and 3, in this bore bit, people are also by pricker body 1 structure improves the service life realizing increasing bore bit.
As shown in Figure 3, the front end of pricker body 1 is round table-like, the small end of the front end of pricker body 1 is towards the rearward end of pricker body 1, and on the cutting face 11 of pricker body 1 front end, dregs guiding groove 12 is set, dregs guiding groove 12 extends on the sidewall in the middle part of pricker body 1 from the cutting face 11 of the front end of pricker body 1, and on cutting face 11, form sector open 122, its sector open 122 enable to whole dregs guiding groove 12 towards the opening of bore bit front end can open wide bigger, thus the particle facilitating this bore bit front end chisel to scale off can more quickly enter dregs guiding groove 12 and carry out chip removal work；And dregs guiding groove 12 concave shaped camber curved surface 121, the arc-shaped curved surface 121 on its dregs guiding groove 12 is also carried out polishing so that dregs guiding groove 12 more fairing, reduces friction.Because the front end of pricker body 1 is round table-like, i.e. one end to the position of installation settings bore bit blade 2 has carried out thickening process, thus ensure that the structural strength of the front end of pricker body 1.
As shown in Figure 4, one end of dregs guiding groove 12 is arranged along the cutting face 11 of the front end of pricker body 1, and the other end of dregs guiding groove 12 from cutting face 11 extend to middle part sidewall, dregs guiding groove 12 will be inclined on pricker body 1, is favorably improved chip removal efficiency.
As shown in Figure 4, pricker body 1 also sets up cooling system, its cooling system includes connecting ring 7, exhalant canal 8 and being arranged on the apopore 5 of dregs guiding groove 12 bottom land, after bore bit is connected on drill steel by connecting hole 6 installation, connect ring 7 to be just connected with drill steel, coolant can be passed through in making to connect ring 7, and dregs guiding groove 12 is two, the whole cooling system of the front end being so arranged on the pricker body 1 of pricker body 1 just can be in " people " shape, and exhalant canal 8 axis forms angle a with pricker body 1 axis, the optimal corner of its angle a is 50 °.
As shown in Figure 4 and Figure 5, its connection ring 7 is arranged on top and is connected with drill steel, and coolant enters after connecting ring 7, will be shunted by exhalant canal 8, allow coolant spray from two apopores 5 of cooling system, complete cooling and lubricating.
Such as Fig. 5, bore bit, after being installed on drill steel by connecting hole 6, is connected ring 7 and is wholely set with pricker body 1, and connect ring 7 and also be able to realize threadeding with drill steel by the external screw thread 72 being arranged on outer wall, this makes it possible to beat the bonding strength strengthening drill steel with bore bit.And it is provided with rubber seal 9 connecting on ring 7 one end towards connecting hole 6 opening, this makes it possible to be protected connecting ring 7 by rubber seal 9, and after being connected with drill steel, play damping, buffering sealing etc. and act on.
Such as Fig. 5, its end face connecting ring 7 is provided with and the mounting groove 72 being connected ring 7 concentric, the cross section of its mounting groove 72 can be the T-shaped set, and rubber seal 9 is provided with the limited location snap ring 91 corresponding with mounting groove 72, when installing rubber and installing, only just complete the installment work of rubber seal 9 in limited location snap ring 91 card need to be embedded into mounting groove 72, simple to operate, easy for installation.
Embodiment two: a kind of mono-line bit; as shown in Figure 6; with being distinguished as of above-described embodiment one: be arranged on the V-shaped front end being arranged on pricker body 1 of water outlet through hole being connected ring 7 both sides; and connect ring 7 and be arranged on the axis of symmetry of scene 2 water channel 8; so exhalant canal 8 just can form a bigger turning of direction change with being connected between ring 7; contribute to preventing particle from entering to connect in ring 7, contribute to pricker body 1 internal structure is protected.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is not limited merely to above-described embodiment, and all technical schemes belonged under this utility model thinking belong to protection domain of the present utility model.It should be pointed out that, for those skilled in the art, without departing from the some improvements and modifications under this utility model principle premise, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (9)
1. a mono-line bit, including pricker body (1) and bore bit blade (2), described pricker body (1) front end is arranged with cutting face (11) and the installation draw-in groove (3) for inlay card bore bit blade (2), it is characterized in that: between described bore bit blade (2) and installation draw-in groove (3), define filling gap (32), connection bore bit blade (2) and the cast copper connector (4) of pricker body (1) it is filled with in described filling gap (32), the conflict tooth (31) for offseting it is additionally provided with bore bit blade (2) in described installation draw-in groove (3).
Mono-line bit the most according to claim 1, is characterized in that: the end face that described bore bit blade (2) is upper and conflict tooth (31) is inconsistent is provided with curved surface (211).
Mono-line bit the most according to claim 1, it is characterized in that: one end of the upper remotely mounted draw-in groove (3) of described bore bit blade (2) is cutting end (22), described cutting end (22) is provided with the cutting end face (221) coincided with curved face, cutting face (11) place, and described cutting end face (221) is crossed to form the cutting edge (222) of arc-shaped.
Mono-line bit the most according to claim 3, is characterized in that: be additionally provided with dregs guiding groove (12) on described pricker body (1), and described dregs guiding groove (12) forms sector open (122) on cutting face (11).
Mono-line bit the most according to claim 4, is characterized in that: described dregs guiding groove (12) bottom surface is provided with the arc-shaped curved surface (121) of indent.
Mono-line bit the most according to claim 5, is characterized in that: also set the apopore (5) that the drill steel with hollow is connected in described dregs guiding groove (12).
Mono-line bit the most according to claim 6, is characterized in that: be additionally provided with the connecting hole (6) for installing drill steel on described pricker body (1)；The exhalant canal (8) of apopore (5) and connecting hole (6) it is communicated with on described pricker body (1).
Mono-line bit the most according to claim 7, is characterized in that: described exhalant canal (8) axis and pricker body (1) axis formation angle a, 40 °≤a≤70 °.
Mono-line bit the most according to claim 8, is characterized in that: described exhalant canal (8) is formed for connection ring (7) inconsistent with hollow drill rod inwall in the bottom surface of connecting hole (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620367444.3U CN205618086U (en) | 2016-04-26 | 2016-04-26 | Single -chisel bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620367444.3U CN205618086U (en) | 2016-04-26 | 2016-04-26 | Single -chisel bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205618086U true CN205618086U (en) | 2016-10-05 |
Family
ID=57027524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620367444.3U Active CN205618086U (en) | 2016-04-26 | 2016-04-26 | Single -chisel bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205618086U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111335818A (en) * | 2020-02-28 | 2020-06-26 | 贵州捷盛钻具股份有限公司 | Self-cooling drill bit and production method thereof |
-
2016
- 2016-04-26 CN CN201620367444.3U patent/CN205618086U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111335818A (en) * | 2020-02-28 | 2020-06-26 | 贵州捷盛钻具股份有限公司 | Self-cooling drill bit and production method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 318058 Sishui and Tangshangcun, Jinqing Town, Luqiao District, Taizhou City, Zhejiang Province Patentee after: Zhejiang Planka Brazing Tool Co.,Ltd. Address before: 318058 Sishui and Tangshangcun, Jinqing Town, Luqiao District, Taizhou City, Zhejiang Province Patentee before: ZHEJIANG PULANKA ROCK TOOLS Co.,Ltd. |
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| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Taizhou Shanhe Trading Co.,Ltd. Assignor: Zhejiang Planka Brazing Tool Co.,Ltd. Contract record no.: X2023330000877 Denomination of utility model: single-chisel bit Granted publication date: 20161005 License type: Common License Record date: 20231124 |