CN220167929U - Spiral cutting pick - Google Patents
Spiral cutting pick Download PDFInfo
- Publication number
- CN220167929U CN220167929U CN202321617350.3U CN202321617350U CN220167929U CN 220167929 U CN220167929 U CN 220167929U CN 202321617350 U CN202321617350 U CN 202321617350U CN 220167929 U CN220167929 U CN 220167929U
- Authority
- CN
- China
- Prior art keywords
- pick body
- spiral
- cutting
- cutting pick
- discharge groove
- 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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Links
- 238000005520 cutting process Methods 0.000 title claims abstract description 50
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 11
- 238000005553 drilling Methods 0.000 claims abstract description 7
- 238000010791 quenching Methods 0.000 claims abstract description 7
- 230000000171 quenching effect Effects 0.000 claims abstract description 7
- 229910000617 Mangalloy Inorganic materials 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 238000004381 surface treatment Methods 0.000 claims description 3
- 239000003245 coal Substances 0.000 abstract description 13
- 239000011435 rock Substances 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 238000009825 accumulation Methods 0.000 abstract description 4
- 239000002893 slag Substances 0.000 abstract description 4
- 239000002689 soil Substances 0.000 abstract description 4
- 238000005065 mining Methods 0.000 description 3
- 230000005641 tunneling Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
The utility model discloses a spiral cutting pick, which relates to the technical field of cutting picks of heading machines and comprises a cutting pick body, wherein a reinforcing rod is arranged below the inside of the cutting pick body, a spiral discharge groove is drilled outside the cutting pick body, a lantern ring is arranged at the top of the cutting pick body, screws are arranged at two sides of the inside of the lantern ring, rubber pads are arranged at the front side and the rear side of the inner wall of the lantern ring, and a connecting shaft is abutted to the outside of the rubber pads. According to the utility model, the laser quenching is carried out on the inside of the spiral discharge groove, so that the local surface hardness is improved under the condition that the internal structural performance of the pick body is not affected, the wear resistance is improved, the service life of the pick body is prolonged, the arrangement of the spiral discharge groove ensures that the soil generated by drilling can be discharged through the spiral discharge groove when the pick body rotates, the reduction of the service efficiency of the pick body caused by accumulation of rock or coal slag on the head of the pick body is avoided, and the production efficiency of a coal cutter and a heading machine is improved.
Description
Technical Field
The utility model relates to the technical field of cutting tools of heading machines, in particular to a spiral cutting pick.
Background
The cutting pick is a part on a mining and tunneling machine, is mainly used for engineering equipment such as coal mining, tunnel, ground ditching and the like, is matched with equipment such as a coal cutter, a tunneling machine, a milling machine and the like, is one of the fittings with the largest consumption in the engineering equipment, and has high replacement frequency.
The existing cutting pick is basically of a rod-shaped structure, and the cutting pick is driven to rotate through a motor, so that crushing work with good effect can be performed on coal mines or rocks.
But in the rotating working process of the existing cutting pick, the function of discharging is lacking, so that rock or coal slag is accumulated on the head of the cutting pick body, the service efficiency of the cutting pick body is reduced, and the production efficiency of a coal cutter and a heading machine is lower.
Disclosure of Invention
The utility model aims to provide a spiral cutting pick, which solves the problems in the prior art.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
a spiral pick, comprising:
pick body, the stiffener is installed to the inside below of pick body, and the outside drilling of pick body has spiral discharge groove, the lantern ring is installed at the top of pick body, and the screw is installed to the inside both sides of lantern ring, both sides are provided with the rubber pad around the inner wall of lantern ring, and the outside butt of rubber pad has the connecting axle.
Preferably, a central hole is formed in the center of the top surface of the connecting shaft, and the central axis of the central hole coincides with the central axis of the cutting pick body.
Preferably, the depth of the spiral discharge groove is uniform and consistent at all positions outside the cutting pick body, and the internal surface treatment process of the spiral discharge groove is laser quenching.
Preferably, a detachable structure is formed between the connecting shaft and the cutting pick body through the lantern ring and the screw, and the length of the screw is larger than the thickness of the lantern ring.
Preferably, the reinforcing rod is connected with the cutting pick body in an embedded mode, and the reinforcing rod is made of high manganese steel.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
1. according to the utility model, the laser quenching is carried out on the inside of the spiral discharge groove, so that the local surface hardness is improved under the condition that the internal structural performance of the pick body is not affected, the wear resistance is improved, the service life of the pick body is prolonged, the arrangement of the spiral discharge groove ensures that the soil generated by drilling can be discharged through the spiral discharge groove when the pick body rotates, the reduction of the service efficiency of the pick body caused by accumulation of rock or coal slag on the head of the pick body is avoided, and the production efficiency of a coal cutter and a heading machine is improved.
Drawings
FIG. 1 is a schematic view of an overall three-dimensional structure in the present utility model;
FIG. 2 is a schematic view of the internal structure of the collar according to the present utility model;
fig. 3 is a schematic view of a partial cross-sectional structure of a pick body according to the present utility model.
Legend description:
1. a connecting shaft; 2. a screw; 3. a pick body; 4. a spiral discharge chute; 5. a collar; 6. a rubber pad; 7. a reinforcing rod; 8. a central bore.
Detailed Description
The technical scheme of the patent is further described in detail below with reference to the specific embodiments.
Embodiments of the present patent are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the patent and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and are therefore not to be construed as limiting the patent.
In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.
Referring to fig. 1-3, a spiral cutting pick comprises a cutting pick body 3, wherein a reinforcing rod 7 is arranged below the inner part of the cutting pick body 3, a spiral discharge groove 4 is drilled outside the cutting pick body 3, the reinforcing rod 7 is connected with the cutting pick body 3 in an embedded manner, the reinforcing rod 7 is made of high manganese steel, the reinforcing rod 7 made of high manganese steel has good wear resistance, and the service life of the cutting pick body 3 during drilling can be effectively prolonged when the cutting pick body 3 rotates;
the depth of the spiral discharge groove 4 is uniform and consistent at all positions outside the cutting pick body 3, the internal surface treatment process of the spiral discharge groove 4 is laser quenching, the opened spiral discharge groove 4 ensures that soil generated by drilling can be discharged through the spiral discharge groove 4 when the cutting pick body 3 rotates, the reduction of the use efficiency of the cutting pick body 3 caused by accumulation of rocks or coal slag at the head of the cutting pick body 3 is avoided, the production efficiency of a coal cutter and a heading machine is improved, the laser quenching is performed inside the spiral discharge groove 4, the local surface hardness is improved under the condition that the internal structural tissue performance of the cutting pick body 3 is not influenced, the wear resistance is improved, and the service life of the cutting pick body 3 is prolonged;
the screw 2 is installed on the two sides of the inside of the cutting pick body 3, the rubber pads 6 are arranged on the two sides of the front side and the rear side of the inner wall of the cutting pick body 5, the connecting shaft 1 is abutted to the outside of the rubber pads 6, a detachable structure is formed between the connecting shaft 1 and the cutting pick body 3 through the collar 5 and the screw 2, the length of the screw 2 is larger than the thickness of the collar 5, the connecting shaft 1 is inserted into the inside of the collar 5, the connecting shaft 1 and the collar 5 can be fixed together by tightening the screw 2, so that the connecting shaft 1 and the cutting pick body 3 can be fixed together, the connecting shaft 1 and the cutting pick body 3 can be detached by reverse operation, the mounting and the detachment are convenient, the length of the screw 2 is larger than the thickness of the collar 5, and the screw 2 can be smoothly inserted into the inside of the collar 5;
the center hole 8 has been seted up at the top surface center of connecting axle 1, and the central axis of center hole 8 coincides with the central axis of pick body 3, and the center hole 8 of seting up is convenient for fix a position when installing connecting axle 1.
Working principle: the upper end of the connecting rod is connected with a motor (not shown in the drawing) of the heading machine (the connecting mode is in the prior art, and therefore the connecting rod is not repeated), the connecting shaft 1 is inserted into the lantern ring 5, the connecting shaft 1 and the lantern ring 5 can be fixed together by screwing the screw 2, so that the connecting shaft 1 and the cutting pick body 3 can be fixed together, the motor of the heading machine drives the connecting rod to rotate, the cutting pick body 3 can be driven to rotate when the motor drives the connecting rod to drill a rock or a coal mine, the set spiral discharge groove 4 ensures that soil generated by drilling can be discharged through the spiral discharge groove 4 when the cutting pick body 3 rotates, the reduction of the service efficiency of the cutting pick body 3 caused by accumulation of rock or cinder at the head of the cutting pick body 3 is avoided, the production efficiency of the coal mining machine and the heading machine is improved, the laser quenching is carried out in the spiral discharge groove 4, the local surface hardness is improved under the condition that the internal structural tissue performance of the cutting pick body 3 is not influenced, the wear resistance is improved, and the service life of the cutting pick body 3 is prolonged.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (5)
1. A spiral pick, comprising:
pick body (3), reinforcing rod (7) have been installed to the inside below of pick body (3), and the outside drilling of pick body (3) has spiral discharge groove (4), lantern ring (5) are installed at the top of pick body (3), and screw (2) are installed to the inside both sides of lantern ring (5), both sides are provided with rubber pad (6) around the inner wall of lantern ring (5), and the outside butt of rubber pad (6) has connecting axle (1).
2. A spiral pick according to claim 1, wherein: a central hole (8) is formed in the center of the top surface of the connecting shaft (1), and the central axis of the central hole (8) coincides with the central axis of the cutting pick body (3).
3. A spiral pick according to claim 1, wherein: the depth of the spiral discharge groove (4) is uniform and consistent at all positions outside the cutting pick body (3), and the internal surface treatment process of the spiral discharge groove (4) is laser quenching.
4. A spiral pick according to claim 1, wherein: the detachable structure is formed between the connecting shaft (1) and the cutting pick body (3) through the lantern ring (5) and the screw (2), and the length of the screw (2) is greater than the thickness of the lantern ring (5).
5. A spiral pick according to claim 1, wherein: the reinforcing rod (7) is connected with the cutting pick body (3) in an embedded mode, and the reinforcing rod (7) is made of high manganese steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321617350.3U CN220167929U (en) | 2023-06-25 | 2023-06-25 | Spiral cutting pick |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321617350.3U CN220167929U (en) | 2023-06-25 | 2023-06-25 | Spiral cutting pick |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220167929U true CN220167929U (en) | 2023-12-12 |
Family
ID=89065494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321617350.3U Active CN220167929U (en) | 2023-06-25 | 2023-06-25 | Spiral cutting pick |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220167929U (en) |
-
2023
- 2023-06-25 CN CN202321617350.3U patent/CN220167929U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |