CN204212777U - Reinforced Spiral digging machine pick - Google Patents
Reinforced Spiral digging machine pick Download PDFInfo
- Publication number
- CN204212777U CN204212777U CN201420178195.4U CN201420178195U CN204212777U CN 204212777 U CN204212777 U CN 204212777U CN 201420178195 U CN201420178195 U CN 201420178195U CN 204212777 U CN204212777 U CN 204212777U
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- CN
- China
- Prior art keywords
- tooth head
- steel body
- protection platform
- digging machine
- spiral digging
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of reinforced Spiral digging machine pick, in high Spiral digging machine pick, one end of steel body is provided with the fit structure for coordinating with Spiral digging machine, the other end is provided with tooth head protection platform, the side of tooth head protection platform is welded with steel body, opposite side welds with tooth head or interference sleeve coordinates, in use, tooth head protection platform will replace the head of steel body, tooth head is played a supporting role in protection, the head avoiding steel body weares and teares and loses the overfill protection to tooth head, tooth head is made to there will not be the overall situation departing from inefficacy when not wearing and tearing completely, thus solve the problem that in prior art, Spiral digging machine pick easily weares and teares.
Description
Technical field
The utility model relates to a kind of Spiral digging machine pick.
Background technology
Spinning machine pick is widely used in the construction operation in bridge, tunnel, it forms primarily of by two parts, wherein a part is steel body, another part is tooth head, wherein tooth head is the hard-metal insert head being welded on steel body head, and in actual job process, its failure mode mainly contains following two kinds of situations: one is along with hard-metal insert head is is constantly worn and torn, Spiral digging machine pick also can constantly wear and tear thereupon, and digging efficiency is significantly declined; Another kind is because the anti-wear performance of steel body head is low; so steel body head can wear and tear prior to tooth head in excavation; to make steel body lose overfill protection to tooth head, cause that tooth head is easily overall when not wearing and tearing completely to come off from steel body, thus make whole Spiral digging machine cut tooth losing efficiency.Especially when Spiral digging machine pick runs into total rock layer (f>6) of high rigidity, larger shock loading and frictional force will be subject to, thus the wearing and tearing of the Spiral digging machine pick of conventional rigid alloy material can be aggravated, serious working life and the efficiency reducing spinning machine pick.
Utility model content
The purpose of this utility model is to provide a kind of reinforced Spiral digging machine pick, is intended to solve the problem that in prior art, Spiral digging machine pick easily weares and teares.
In order to realize above object, in the utility model, the technical scheme of reinforced Spiral digging machine pick is as follows:
Reinforced Spiral digging machine pick, comprise steel body and tooth head, one end of steel body is provided with the fit structure for coordinating with Spiral digging machine, the other end is provided with tooth head protection platform, steel body is provided with the steel body groove corresponding with tooth head protection platform, tooth head protection platform is welded in steel body groove, the side that tooth head protection platform deviates from steel body is provided with protection platform groove, the welding of tooth head or interference shape are assemblied in protection platform groove, tooth head protection platform is formed by tungsten carbide base carbide alloy high temperature sintering, it is made up of the frustum section be wholely set from front to back and cylindrical section, frustum section is front fine and rear thick, and the outer peripheral face of frustum section and protection platform groove are coaxially arranged, in the cylindrical section partial insertion steel body groove of tooth head protection platform, expose in the remainder of cylindrical section and frustum Duan Conggang body groove.
Tooth head is composite sheet tooth head.
Tooth head is diamond compact tooth head.
Copper base or money base solder layer is provided with between tooth head protection platform and steel body.
In the utility model, one end of steel body is provided with the fit structure for coordinating with Spiral digging machine; the other end is provided with tooth head protection platform; the side of tooth head protection platform is welded with steel body; opposite side welds with tooth head or interference sleeve coordinates; in use; tooth head protection platform will replace the head of steel body; tooth head is played a supporting role in protection; the head avoiding steel body weares and teares and loses the overfill protection to tooth head; make tooth head there will not be the overall situation departing from inefficacy when not wearing and tearing completely, thus solve the problem that in prior art, Spiral digging machine pick easily weares and teares.
Further, tooth head is composite sheet tooth head, in composite sheet tooth head, ultra hard material layer can increase its anti-wear performance, in substrate, superhard material can ensure its toughness again, tooth head is made namely to have the high rigidity of superhard material, high-wearing feature and thermal conductivity, there is again intensity and the toughness of carbide alloy, thus make tooth add wear-resisting first watch, further increase the anti-wear performance of whole Spiral digging machine pick.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of the utility model;
Fig. 2 is the structural representation of tooth head in Fig. 1.
Detailed description of the invention
The embodiment of reinforced Spiral digging machine pick in the utility model: as depicted in figs. 1 and 2; this Spiral digging machine pick comprises the tooth head 1, tooth head protection platform 2 and the steel body 3 that set gradually from front to back; wherein the tail end of steel body 3 is provided with the caudal peduncle 31, the front end that coordinate with Spiral digging machine and offers columned steel body groove; the rear end of tooth head protection platform 2 is welded in this steel body groove; columned protection platform groove 21 is offered in the front end of tooth head protection platform 2; the rear end interference of tooth head 1 is inserted in this protection platform groove 21, and the front end of tooth head 1 is exposed from the front end notch of protection platform groove 21.
Tooth head 1 is diamond compact tooth head, and it is made up of with the hard diamond substrate 12 being in bottom the diamond layer 11 being in head, and the diameter of hard diamond substrate 12 is 8-25mm, and the thickness of diamond layer 11 is 0.1-4mm.Diamond compact sinters under high pressure high temperature condition by diadust and cemented carbide substrate to form, namely there is adamantine high rigidity, high-wearing feature and thermal conductivity, there is again intensity and the toughness of carbide alloy, be the ideal material manufacturing cutting tool, the diamond compact cutter head of this conical nose also can use the diamond compact of the shaped head such as ridge-roof type, steel helmet type, bread flap-type to replace.
This tooth head protection platform 2 is formed by tungsten carbide base carbide alloy high temperature sintering; it is made up of the frustum section be wholely set from front to back and cylindrical section; frustum section is front fine and rear thick; and the outer peripheral face of frustum section and protection platform groove 21 are coaxially arranged; the diameter of protection platform groove 21 is 8-25mm, and groove depth is 6-20mm.
The caudal peduncle 31 of steel body 3 afterbody is the fit structure that steel body 3 coordinates with Spiral digging machine, caudal peduncle 31 is front thick rear thin multidiameter, and the annular convex shoulder thicker than leading portion is convexly equipped with in stepped portions on caudal peduncle 31, the rear end face of annular convex shoulder is the circular cone be connected with the outer peripheral face transition of caudal peduncle 31 back segment.The middle part of steel body 3 is provided with the cylindrical shoulder thicker than caudal peduncle 31 front end, and the outer peripheral face of cylindrical shoulder offers annular slot, and the groove bottom of annular slot is the arc-shaped curved surface radially caved in.The front end of steel body 3 is connected by front fine and rear thick frustum transition with cylindrical shoulder; and the front end outer peripheral face of steel body 3 and steel body groove are coaxially arranged; be provided with in steel body groove and be in copper base between steel body 3 and tooth head protection platform 2 or money base solder layer 33, in the cylindrical section partial insertion steel body groove of tooth head protection platform 2, expose in the remainder of cylindrical section and frustum Duan Conggang body groove.
In the present embodiment, steel body 3 is still made up of specific alloy steel, tooth head 1 is arranged on tooth head protection platform 2 as main stressed member, tooth head 1 mixes the cutting lay that forms and cemented carbide substrate layer by countless fine diamond particle and cementing agent and sinters synthesis at high temperature under high pressure, has the feature of high strength, high rigidity, high-wearing feature; Tooth head protection platform 2 adopts special tungsten-carbide powder HTHP sintering to make, and is arranged on pick steel body 3 front end, and the surface of tooth head protection platform 2 has the performances such as good wear-resisting, corrosion-resistant, high temperature resistant, anti-oxidant, radiation hardness.
In the utility model, one end of steel body 3 is provided with the fit structure for coordinating with Spiral digging machine, the other end is provided with tooth head protection platform 2, the side of tooth head protection platform 2 is welded with steel body 3, opposite side welds with tooth head 1 or interference sleeve coordinates, in use, tooth head protection platform 2 will replace the head of steel body 3, tooth head 1 is played a supporting role in protection, the head avoiding steel body 3 weares and teares and loses the overfill protection to tooth head 1, tooth head 1 is made to there will not be the overall situation departing from inefficacy when not wearing and tearing completely, thus solve the problem that in prior art, Spiral digging machine pick easily weares and teares.Tooth head 1 is composite sheet tooth head, in composite sheet tooth head, ultra hard material layer can increase its anti-wear performance, in substrate, superhard material can ensure its toughness again, tooth head 1 is made namely to have the high rigidity of superhard material, high-wearing feature and thermal conductivity, there is again intensity and the toughness of carbide alloy, thus make tooth head 1 more wear-resisting, further increase the anti-wear performance of whole Spiral digging machine pick.
Therefore the present embodiment is that the high-wearing feature of diamond compact, stronger impact resistance are applied on Spiral digging machine pick, extends the application life of Spiral digging machine pick, decreases Spiral digging machine pick and changes number of times, and then reduce construction cost, increase work efficiency.Meanwhile, adopt the protection platform of carbide alloy material, avoid the support protective effect lost composite polycrystal-diamond due to the wearing and tearing of steel body 3, cause composite polycrystal-diamond also not wear and tear completely with regard to the appearance of the overall failure mode come off.
In the above-described embodiments, tooth head protection platform adopts tungsten carbide base carbide alloy, and in other embodiments, tooth head protection platform also can adopt other base cemented carbides or ceramic materials.
In the above-described embodiments, tooth head adopts diamond compact, and in other embodiments, tooth head also can adopt the composite sheet such as cubic boron nitride, alumina, and meanwhile, tooth head can also adopt carbide alloy, high-speed steel, monolithic superhard material etc.
Claims (4)
1. reinforced Spiral digging machine pick, comprise steel body and tooth head, it is characterized in that, one end of steel body is provided with the fit structure for coordinating with Spiral digging machine, the other end is provided with tooth head protection platform, steel body is provided with the steel body groove corresponding with tooth head protection platform, tooth head protection platform is welded in steel body groove, the side that tooth head protection platform deviates from steel body is provided with protection platform groove, the welding of tooth head or interference shape are assemblied in protection platform groove, tooth head protection platform is formed by tungsten carbide base carbide alloy high temperature sintering, it is made up of the frustum section be wholely set from front to back and cylindrical section, frustum section is front fine and rear thick, and the outer peripheral face of frustum section and protection platform groove are coaxially arranged, in the cylindrical section partial insertion steel body groove of tooth head protection platform, expose in the remainder of cylindrical section and frustum Duan Conggang body groove.
2. reinforced Spiral digging machine pick according to claim 1, is characterized in that, tooth head is composite sheet tooth head.
3. reinforced Spiral digging machine pick according to claim 2, is characterized in that, tooth head is diamond compact tooth head.
4. reinforced Spiral digging machine pick as claimed in any of claims 1 to 3, is characterized in that, is provided with copper base or money base solder layer between tooth head protection platform and steel body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420178195.4U CN204212777U (en) | 2014-04-14 | 2014-04-14 | Reinforced Spiral digging machine pick |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420178195.4U CN204212777U (en) | 2014-04-14 | 2014-04-14 | Reinforced Spiral digging machine pick |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204212777U true CN204212777U (en) | 2015-03-18 |
Family
ID=52981458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420178195.4U Expired - Fee Related CN204212777U (en) | 2014-04-14 | 2014-04-14 | Reinforced Spiral digging machine pick |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204212777U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104963684A (en) * | 2015-07-29 | 2015-10-07 | 桂林星钻超硬材料有限公司 | Helmet-shaped polycrystalline diamond cutting tooth |
| CN105064923A (en) * | 2015-07-29 | 2015-11-18 | 桂林星钻超硬材料有限公司 | Base-segmented polycrystalline diamond cutter pick drill bit |
| CN114622910A (en) * | 2022-01-24 | 2022-06-14 | 湖南高河硬质合金有限公司 | Cutting pick machining process |
-
2014
- 2014-04-14 CN CN201420178195.4U patent/CN204212777U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104963684A (en) * | 2015-07-29 | 2015-10-07 | 桂林星钻超硬材料有限公司 | Helmet-shaped polycrystalline diamond cutting tooth |
| CN105064923A (en) * | 2015-07-29 | 2015-11-18 | 桂林星钻超硬材料有限公司 | Base-segmented polycrystalline diamond cutter pick drill bit |
| CN114622910A (en) * | 2022-01-24 | 2022-06-14 | 湖南高河硬质合金有限公司 | Cutting pick machining process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150318 Termination date: 20160414 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |