CN203347793U - Pickaxe type cutting pick provided with elastic function structure and hard alloy head with non-circular-arc conical surface - Google Patents
Pickaxe type cutting pick provided with elastic function structure and hard alloy head with non-circular-arc conical surface Download PDFInfo
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- CN203347793U CN203347793U CN 201320191028 CN201320191028U CN203347793U CN 203347793 U CN203347793 U CN 203347793U CN 201320191028 CN201320191028 CN 201320191028 CN 201320191028 U CN201320191028 U CN 201320191028U CN 203347793 U CN203347793 U CN 203347793U
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- cutting pick
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Abstract
The utility model relates to a cutter for cutting or crushing minerals, in particular to a pickaxe type cutting pick provided with an elastic function structure and a hard alloy head with a non-circular-arc conical surface, belongs to the field of mineral cutting or crushing equipment used in a coal mine and the like, and solves the problem that a structure of a conventional pickaxe type cutting pick influences consumption, specific energy consumption of cutting and service life of the cutting pick. According to the novel cutting pick provided by the utility model, the hard alloy head of the cutting pick has the non-circular-arc conical surface structure, and a cutting pick unit and a toothed sleeve are axially connected through an elastic element so that relative axial movement is realized. The pickaxe type cutting pick has the benefits that the effect of a blade of a cutter type cutting pick can be played, the crushing efficiency is improved, the strength of the pickaxe type cutting pick and the capacity of forceful crushing are enhanced, and simultaneously conquassation of coal petrography and self-rotation of the cutting pick are facilitated; and meanwhile, the elastic element is arranged between the cutting pick and the toothed sleeve for connection, so that the axial displacement of the cutting pick can be adjusted, the excessive eccentric wearing is avoided, and the capacity for crushing the coal petrography and the reliability of the self-rotation of the cutting pick are enhanced.
Description
Technical field
Patent of the present invention relates to cut or the break mined material equipment such as mining machinery, is specifically related to a kind of pick (cutter) for operating mechanism's cut or break mined material (coal, rock).
Background technology
Pick-shaped cutter has been widely used on the plant equipment such as digging of coal production (as drum shearer and partial-size tunneling machine), it is the key components and parts in mining machinery operating mechanism, its pick and tooth cover together are assembled on toothholder, and toothholder is welded on according to certain arrangement regulation on the circumference of operating mechanism (operating mechanism is mostly the revolving bodies such as cylinder or round platform), under the driving of other actuating unit, realize rotation and the feed motion of operating mechanism, the mineral such as incision coal petrography, pick is directly acted on coal petrography, its structural performance and quality directly have influence on the pick consumption of coal production, specific energy of cutting and working life.Pick-shaped cutter mainly is comprised of carbide bit and alloy steel denticle etc., conventional pick-shaped cutter carbide bit is the form of structure of taper seat or circular arc taper seat, the coupling method of carbide bit and cutter hub, mostly adopt the methods such as soldering processes or castingin.Basic demand to the pick performance: be set in carbide bit on denticle when the mineral such as the various coal petrographys of cut, can not come off and fragmentation, and the structure of pick and quality, can directly have influence on consumption, specific energy of cutting and the working life of pick, the pick-shaped cutter carbide bit all adopts the combining form of cylinder circular cone at present, and cutting resistance is bigger than normal, energy consumption is high, and the reliability of pick spin is low, cause the pick eccentric wear, make the pick premature failure.From the functional reliability and the reduction specific energy of cutting that improve pick, reasonably carbide bit planform, cutting tooth structure and mounting structure are particularly important.
Summary of the invention
The problem to be solved in the present invention is for above-mentioned deficiency, propose a kind of Novel cutting tooth, the hard alloy head of pick has non-circular arc (as many prismatics) taper seat structure and spring function structure (being provided with the axial connecting mode of flexible member between pick and tooth cover).When usefulness of the present invention is broken coal petrography, can bring into play the effect of the blade of knife shape cutter teeth, improve crushing efficiency, can embody again intensity and the powerful broken ability of pick-shaped cutter; Simultaneously, along with the difference of external applied load, flexible member can be regulated the axial displacement of pick, produces vertically the dynamic impulsion effect, strengthens the ability of broken coal petrography and the reliability of pick spinning (avoiding the excessive eccentric wear of pick).The present invention is specially adapted to soft, toughness coal petrography.
In order to solve the problems of the technologies described above, the invention provides a kind of pick of following structure, its structure forms: hard alloy head, pick denticle, elastic expansion split ring, flexible member, pick cover, soldered seam.
Hard alloy head has as many prismatics conical surface conical structure, by soldered seam or other ways and means, hard alloy head is connected firmly on the pick denticle, forms complete pick unit.The pick unit plays the blade effect, and its compressive strength is greater than the tensile strength of coal petrography, is beneficial to the spinning of conquassation coal petrography and pick.Be provided with flexible member in axial between pick cover and pick denticle, the elastic expansion split ring is enclosed within on the pick unit, the pick unit is contained in pick cover endoporus, be used for fixing pick, avoid pick unit separating tooth cover vertically, flexible member one end is supported on pick cover bottom, and the other end withstands on pick denticle bottom.Pick-shaped cutter with spring function structure, the pick denticle moves along the interior axially bored line of pick cover with the variation of external applied load, and flexible member is compressed, the suffered impact force of buffering pick, reduce non-circular arc taper seat hard alloy head wearing and tearing, thereby increase the life-span of pick-shaped cutter.Pick cover is coal or the dismounting pick unit that enter the pick cover for removing for revolving body and bottom have five holes.
Innovation of the present invention is that the hard alloy head of pick has non-circular arc taper seat structure, while making the broken coal petrography of pick-shaped cutter, can bring into play the effect of the blade of knife shape cutter teeth, improve crushing efficiency, can embody again intensity and the powerful broken ability of pick-shaped cutter; Pick denticle and pick inner room are provided with the axial connecting mode of flexible member, have made it to move to axial, and strengthen the ability of broken coal petrography and the reliability of pick spinning.
The accompanying drawing explanation
Fig. 1 is the pick-shaped cutter structural representation that the present invention has non-circular arc taper seat hard alloy head and spring function structure, and Fig. 2 is the partial enlarged drawing in Fig. 1, Fig. 3 be A in Fig. 2 to view, Fig. 4 is along the profile of B-B in Fig. 2.Fig. 5 is the top view of pick cover in Fig. 1.Wherein 1 is hard alloy head, the 2nd, pick denticle, the 3rd, elastic expansion split ring, the 4th, flexible member, the 5th, pick cover, the 6th, soldered seam.
The specific embodiment
Below in conjunction with accompanying drawing, specific embodiments of the invention are elaborated.
The hard alloy head 1 of pick-shaped cutter is the member that directly acts on coal petrography, broken coal petrography, adopt soldered seam 6 and other ways and means that hard alloy head 1 is connected firmly on pick denticle 2, form complete pick unit, be provided with flexible member in axial between pick cover 5 and pick denticle 2, elastic expansion split ring 3 is enclosed within on the pick unit, and the pick unit is contained in pick and overlaps in 5 endoporus, be used for fixing pick, avoid pick unit separating tooth cover vertically.At work, pick-like bit of the present invention is assembled on operating mechanism's circumference, by other actuating unit, drives operating mechanism to realize rotation and feed motion, the mineral such as incision coal petrography.
Certainly; above-mentioned explanation is not limitation of the present invention; the present invention also is not limited only to above-mentioned giving an example; the variation that those skilled in the art make in essential scope of the present invention, remodeling, interpolation or replacement; also belong to protection scope of the present invention; as the quantity of many prismatics conical surface of hard alloy head, the type of flexible member (butterfly spring, cylindrical spring etc.).
Claims (5)
1. the pick-shaped cutter with non-circular arc taper seat hard alloy head and spring function structure, comprise non-circular arc taper seat hard alloy head (1), pick denticle (2), elastic expansion split ring (3), flexible member (4), pick cover (5), soldered seam (6).The non-circular arc taper seat hard alloy head (1) of pick-shaped cutter is by soldered seam (6), hard alloy head (1) to be connected firmly on pick denticle (2), form complete pick unit, the alloy head of this structure can improve the spinning ability of pick, avoids the excessive eccentric wear of pick; Be provided with flexible member in axial between pick cover (5) and pick denticle (2), can regulate the axial displacement of pick, reduce simultaneously and axially produce dynamic impulsion.
2. pick-shaped cutter according to claim 1, it is characterized in that: described pick unit plays the blade effect, and its compressive strength is greater than the tensile strength of coal petrography, is beneficial to the spinning of conquassation coal petrography and pick.
3. pick-shaped cutter according to claim 1, be provided with flexible member (4) in axial between pick cover (5) and pick denticle (2), elastic expansion split ring (3) is enclosed within on the pick unit, the pick unit is contained in pick cover (5) endoporus, be used for fixing pick, avoid pick unit separating tooth cover (5) vertically, flexible member (4) one ends are supported on pick cover (5) bottom, and the other end withstands on pick denticle (2) bottom.
4. pick-shaped cutter according to claim 1, it is characterized in that pick denticle (2) moves along the interior axially bored line of pick cover (5) with the variation of external applied load, flexible member (4) is compressed, and the suffered impact force of buffering pick reduces non-circular arc taper seat hard alloy head (1) wearing and tearing.
5. pick-shaped cutter according to claim 1, its pick cover (5) feature is that profile is revolving body, bottom has five holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320191028 CN203347793U (en) | 2013-04-16 | 2013-04-16 | Pickaxe type cutting pick provided with elastic function structure and hard alloy head with non-circular-arc conical surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320191028 CN203347793U (en) | 2013-04-16 | 2013-04-16 | Pickaxe type cutting pick provided with elastic function structure and hard alloy head with non-circular-arc conical surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203347793U true CN203347793U (en) | 2013-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320191028 Expired - Fee Related CN203347793U (en) | 2013-04-16 | 2013-04-16 | Pickaxe type cutting pick provided with elastic function structure and hard alloy head with non-circular-arc conical surface |
Country Status (1)
| Country | Link |
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| CN (1) | CN203347793U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103233736A (en) * | 2013-04-16 | 2013-08-07 | 黑龙江科技学院 | Conical pick with non-arc conical surface carbide tip and elasticity function structure |
| WO2018064901A1 (en) * | 2016-10-09 | 2018-04-12 | 杨岗 | New cutting pick |
-
2013
- 2013-04-16 CN CN 201320191028 patent/CN203347793U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103233736A (en) * | 2013-04-16 | 2013-08-07 | 黑龙江科技学院 | Conical pick with non-arc conical surface carbide tip and elasticity function structure |
| WO2018064901A1 (en) * | 2016-10-09 | 2018-04-12 | 杨岗 | New cutting pick |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131218 Termination date: 20170416 |