CN215057342U - Wear-resistant cutting tooth with long service life - Google Patents

Abstract

The utility model discloses a wear-resistant cutting pick with long service life, which comprises a cutting pick base, wherein the upper end of the cutting pick base is provided with a cutting pick main body, the upper end of the cutting pick main body is provided with a wear-resistant head, the upper end of the wear-resistant head is provided with an inner tooth body, the outer surface of the inner tooth body is provided with a clamp spring, an anti-seismic combined rod is arranged inside the clamp spring, an axle rod is arranged inside the inner tooth body, the upper end of the axle rod is provided with a middle tooth handle, the upper end of the middle tooth handle is provided with an anti-seismic slope, the upper end of the anti-seismic slope is provided with an anti-seismic surface layer, the upper end of the anti-seismic surface layer is provided with an anti-falling ring, the upper end of the anti-falling ring is provided with a wear-resistant thin layer, the upper end of the wear-resistant thin layer is provided with a protection edge, and the upper end of the protection edge is provided with a tooth head; the cutting pick with wear resistance and long service life improves the wear resistance of the utility model by arranging the wear-resistant head, the wear-resistant thin layer and the protective edge; through setting up antidetonation combination pole, antidetonation slope, anticreep circle for the pick is difficult loose, has improved the utility model discloses a stability.

Description

Wear-resistant cutting tooth with long service life

Technical Field

The utility model relates to a pick technical field specifically is a stand wear and tear long service life's pick.

Background

The cutting teeth of the coal mining machine and the cutting teeth of the heading machine are parts on the mining heading machine; wherein the cutting pick of the heading machine has higher requirement on the hardness; abrasive wear; the alloy contains graphite impurities, has uneven grain distribution, more pores and uneven structure, and is the main reason for abrasion of the hard alloy head; the quality performance of the tooth body material is unstable, and improper control of the heat treatment process is the reason for abrasion of the tooth body; wear due to lower red hardness; red hardness refers to the ability of a prop material to maintain high hardness at high temperatures; theoretically, the hard alloy can keep high hardness at the high temperature of 800-1000 ℃, but the red hardness of the cutting pick is lower due to some practical problems in the production of the hard alloy; when the cutting tooth cuts coal rock, the surface temperature of the cutting head can reach 600-800 ℃, the hardness of the cutting head is reduced by about 50 percent, and the abrasion of the cutting tooth is accelerated due to the softening of the material; the alloy head falls off due to welding and shape design.

The prior art has the following defects or problems:

1. the cutting pick is subjected to long-term collision wear in use, so that the equipment cannot withstand the long-term collision wear, and the service life of the cutting pick is shortened;

2. the pick is in long-term use, and the collision vibrations back leads to the pick to loosen the fracture easily, causes the stability of pick to receive the influence.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wear-resisting long service life's pick to the weak point of prior art to solve the problem that proposes in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a stand wear and tear long service life's pick, includes the pick base, pick base upper end is provided with the pick main part, pick main part upper end is provided with wear-resisting head, wear-resisting overhead end is provided with interior dentate, interior dentate surface is provided with the jump ring, the inside antidetonation combination bar that is provided with of jump ring, the inside axostylus axostyle that is provided with of interior dentate, the axostylus axostyle upper end is provided with well toothholder, well toothholder upper end is provided with antidetonation slope, antidetonation slope upper end is provided with the antidetonation top layer, antidetonation top layer upper end is provided with the anticreep circle, anticreep upper end is provided with wear-resisting thin layer, wear-resisting thin layer upper end is provided with the guard edge, the guard edge upper end is provided with the toothholder.

As the utility model discloses a preferred technical scheme, the inside tooth handle that is provided with in antidetonation top layer, it is provided with the ratch to go up tooth handle upper end, antidetonation top layer and last tooth handle fixed connection, go up tooth handle and ratch fixed connection, go up tooth handle external diameter and antidetonation top layer internal diameter size phase-match.

As the utility model discloses an optimal technical scheme, pick base and pick main part fixed connection, pick main part and wear-resisting first fixed connection, wear-resisting first is made by carbon nitride, wear-resisting first external diameter size and pick main part external diameter size phase-match.

As the utility model discloses an preferred technical scheme, wear-resisting head and interior dentition body fixed connection, interior dentition body cup joints with the jump ring, the jump ring is pegged graft with the antidetonation combination pole, the antidetonation combination pole has a plurality of, the antidetonation combination pole is the equidistance and arranges.

As the utility model discloses a preferred technical scheme, interior tooth body and axostylus axostyle fixed connection, axostylus axostyle external diameter size and interior tooth body internal diameter size phase-match, interior tooth body and well tooth handle fixed connection, well tooth handle and antidetonation slope fixed connection.

As the utility model discloses an preferred technical scheme, antidetonation slope and antidetonation top layer fixed connection, the antidetonation slope is made by the tungsten cobalt alloy, antidetonation top layer and anticreep circle fixed connection, anticreep circle internal diameter size and antidetonation top layer external diameter size phase-match.

As the utility model discloses a preferred technical scheme, anticreep circle and wear-resisting thin layer fixed connection, wear-resisting thin layer is made by the carbyne that vulcanizes, wear-resisting thin layer and protection limit fixed connection, the protection limit is made by tungsten carbide, protection limit and tooth head fixed connection.

Compared with the prior art, the utility model provides a stand wear and tear long service life's pick possesses following beneficial effect:

1. this kind of wear-resisting long service life's pick, through setting up wear-resisting head, wear-resisting thin layer, guard edge, wherein wear-resisting head is made by carbon nitride, wear-resisting head is connected with pick body, stops the wearing and tearing of equipment from the junction, and wear-resisting thin layer is made by the carbon acetylene sulfide, avoids the ratch to receive the wearing and tearing collision, has improved the utility model discloses a life, guard edge is made by tungsten carbide, and hardness is strong to the pick protection of junction, improves the utility model discloses a wearability;

2. this stand wear and tear long service life's pick through setting up antidetonation combination pole, antidetonation slope, anticreep circle, the antidetonation combination pole is made by titanium alloy, and the strong anti-seismic performance of toughness is good, has improved the utility model discloses an anti-seismic performance, antidetonation slope are made by the tungsten cobalt alloy, combine the upper and lower structure of whole pick to improve holistic shock resistance, and the pick handle is gone up in the anticreep circle protection for the pick is difficult loose, has improved the utility model discloses a stability.

Drawings

FIG. 1 is a schematic cross-sectional view of the whole structure of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a sectional view of the structural anti-seismic combination bar of the present invention;

fig. 4 is a partial schematic view of the structure protection edge of the present invention.

In the figure: 1. a pick base; 2. a pick body; 3. a wear-resistant head; 4. an inner gear body; 5. a clamp spring; 6. an anti-seismic combination rod; 7. a shaft lever; 8. a middle gear handle; 9. earthquake-resistant slope; 10. an anti-seismic surface layer; 11. preventing the ring from falling off; 12. a wear resistant thin layer; 13. protecting the edge; 14. a tooth head; 15. an upper tooth handle; 16. a toothed bar.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, in this embodiment: the utility model provides a stand wear and tear long service life's pick, including pick base 1, pick base 1 upper end is provided with pick body 2, pick body 2 upper end is provided with wear-resisting head 3, 3 upper ends of wear-resisting head are provided with interior dentition body 4, 4 surfaces of interior dentition body are provided with jump ring 5, 5 inside antidetonation combination poles 6 that are provided with of jump ring, the inside axostylus axostyle 7 that is provided with of interior dentition body 4, 7 upper ends of axostylus axostyle are provided with well toothholder 8, 8 upper ends of well toothholder are provided with antidetonation slope 9, 9 upper ends of antidetonation slope are provided with antidetonation top layer 10, 10 upper ends of antidetonation top layer are provided with anticreep circle 11, 11 upper ends of anticreep circle are provided with wear-resisting thin layer 12, 12 upper ends of wear-resisting thin layer are provided with protection edge 13, 13 upper ends are provided with the pick 14.

In the embodiment, an upper tooth holder 15 is arranged in the anti-seismic surface layer 10, a tooth bar 16 is arranged at the upper end of the upper tooth holder 15, the anti-seismic surface layer 10 is fixedly connected with the upper tooth holder 15, the upper tooth holder 15 is fixedly connected with the tooth bar 16, and the outer diameter size of the upper tooth holder 15 is matched with the inner diameter size of the anti-seismic surface layer 10, so that the cutting tooth is anti-seismic and stable; the cutting pick base 1 is fixedly connected with the cutting pick body 2, the cutting pick body 2 is fixedly connected with the wear-resistant head 3, the wear-resistant head 3 is made of carbon nitride, and the outer diameter of the wear-resistant head 3 is matched with that of the cutting pick body 2, so that the cutting pick can be durable; the wear-resistant head 3 is fixedly connected with the inner tooth body 4, the inner tooth body 4 is sleeved with the clamp spring 5, the clamp spring 5 is spliced with the anti-seismic combination rods 6, the anti-seismic combination rods 6 are provided with a plurality of anti-seismic combination rods 6, and the anti-seismic combination rods 6 are arranged at equal intervals, so that the anti-seismic performance of the cutting pick is good; the inner tooth body 4 is fixedly connected with the shaft lever 7, the outer diameter dimension of the shaft lever 7 is matched with the inner diameter dimension of the inner tooth body 4, the inner tooth body 4 is fixedly connected with the middle tooth handle 8, and the middle tooth handle 8 is fixedly connected with the anti-seismic slope 9, so that the cutting tooth has more anti-seismic property; the anti-seismic slope 9 is fixedly connected with an anti-seismic surface layer 10, the anti-seismic slope 9 is made of tungsten-cobalt alloy, the anti-seismic surface layer 10 is fixedly connected with an anti-falling ring 11, and the inner diameter size of the anti-falling ring 11 is matched with the outer diameter size of the anti-seismic surface layer 10, so that the cutting pick can resist vibration and is durable; the anti-falling ring 11 is fixedly connected with the wear-resistant thin layer 12, the wear-resistant thin layer 12 is made of vulcanized carbyne, the wear-resistant thin layer 12 is fixedly connected with the protective edge 13, the protective edge 13 is made of tungsten carbide, and the protective edge 13 is fixedly connected with the pick head 14.

The utility model discloses a theory of operation and use flow: the utility model discloses a according to wherein wear-resisting head 3 is made by carbon nitride, wear-resisting head 3 is connected with pick main part 2, blocks the wearing and tearing of equipment from the junction, and wear-resisting thin layer 12 is made by the carbon sulfide alkyne, avoids ratch 16 to receive the wearing and tearing collision, has improved the utility model discloses a life, protection edge 13 is made by tungsten carbide, and hardness is strong to the pick protection of junction, and antidetonation combination pole 6 is made by titanium alloy, and toughness is strong anti-seismic performance is good, has improved the utility model discloses an anti-seismic performance, antidetonation slope 9 is made by the tungsten cobalt alloy, combines the upper and lower structure of whole pick to improve holistic shock resistance, and anticreep circle 11 protects upper tooth handle 15, makes the pick difficult loose principle; use the utility model discloses the time, the inspection is qualified after, install the pick in mechanical inside use can.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a stand wear and tear long service life's pick which characterized in that: comprises a cutting pick base (1), a cutting pick body (2) is arranged at the upper end of the cutting pick base (1), the upper end of the cutting pick body (2) is provided with a wear-resistant head (3), the upper end of the wear-resistant head (3) is provided with an inner pick body (4), a clamp spring (5) is arranged on the outer surface of the inner gear body (4), an anti-seismic combined rod (6) is arranged in the clamp spring (5), a shaft lever (7) is arranged in the inner gear body (4), a middle gear handle (8) is arranged at the upper end of the shaft lever (7), an anti-seismic slope (9) is arranged at the upper end of the middle tooth handle (8), an anti-seismic surface layer (10) is arranged at the upper end of the anti-seismic slope (9), the upper end of the anti-seismic surface layer (10) is provided with an anti-slip ring (11), the upper end of the anti-slip ring (11) is provided with a wear-resistant thin layer (12), the upper end of the wear-resistant thin layer (12) is provided with a protective edge (13), and the upper end of the protective edge (13) is provided with a tooth head (14).

2. A wear resistant long life cutting pick according to claim 1, wherein: the anti-seismic surface layer (10) is internally provided with an upper toothed handle (15), the upper end of the upper toothed handle (15) is provided with a toothed bar (16), the anti-seismic surface layer (10) is fixedly connected with the upper toothed handle (15), the upper toothed handle (15) is fixedly connected with the toothed bar (16), and the outer diameter of the upper toothed handle (15) is matched with the inner diameter of the anti-seismic surface layer (10).

3. A wear resistant long life cutting pick according to claim 1, wherein: pick base (1) and pick main part (2) fixed connection, pick main part (2) and wear-resisting head (3) fixed connection, wear-resisting head (3) are made by carbon nitride, wear-resisting head (3) external diameter size and pick main part (2) external diameter size phase-match.

4. A wear resistant long life cutting pick according to claim 1, wherein: wear-resisting head (3) and interior dentition body (4) fixed connection, interior dentition body (4) cup joint with jump ring (5), jump ring (5) are pegged graft with antidetonation combination pole (6), antidetonation combination pole (6) have a plurality of, antidetonation combination pole (6) are the equidistance and arrange.

5. A wear resistant long life cutting pick according to claim 1, wherein: the inner tooth body (4) is fixedly connected with the shaft lever (7), the outer diameter of the shaft lever (7) is matched with the inner diameter of the inner tooth body (4), the inner tooth body (4) is fixedly connected with the middle tooth handle (8), and the middle tooth handle (8) is fixedly connected with the anti-seismic slope (9).

6. A wear resistant long life cutting pick according to claim 1, wherein: antidetonation slope (9) and antidetonation top layer (10) fixed connection, antidetonation slope (9) are made by the tungsten cobalt alloy, antidetonation top layer (10) and anticreep circle (11) fixed connection, anticreep circle (11) internal diameter size and antidetonation top layer (10) external diameter size phase-match.

7. A wear resistant long life cutting pick according to claim 1, wherein: the anti-falling ring (11) is fixedly connected with the wear-resistant thin layer (12), the wear-resistant thin layer (12) is made of vulcanized carbyne, the wear-resistant thin layer (12) is fixedly connected with the protective edge (13), the protective edge (13) is made of tungsten carbide, and the protective edge (13) is fixedly connected with the tooth head (14).

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