CN220955576U - Novel coal mining pick - Google Patents
Novel coal mining pick Download PDFInfo
- Publication number
- CN220955576U CN220955576U CN202322735087.4U CN202322735087U CN220955576U CN 220955576 U CN220955576 U CN 220955576U CN 202322735087 U CN202322735087 U CN 202322735087U CN 220955576 U CN220955576 U CN 220955576U
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- Prior art keywords
- tooth
- positioning
- head
- handle
- side wall
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- 239000003245 coal Substances 0.000 title claims abstract description 17
- 238000005065 mining Methods 0.000 title claims abstract description 15
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract 5
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
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- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The utility model relates to a novel coal mining pick, which belongs to the technical field of coal mining equipment and comprises a tooth handle and a tooth body, wherein the tooth handle and the tooth body are integrally formed, the tooth body is arranged at one end of the tooth handle, an installation groove is formed in the end face of one side of the tooth body far away from the tooth handle, a tooth head is installed in the installation groove, a through counter bore is formed in the side wall of the installation groove, a threaded hole is formed in the side wall of the tooth head, a fixing bolt is arranged in the counter bore in a penetrating manner, the threaded end of the fixing bolt is in threaded connection with the threaded hole, a positioning groove is formed in the inner side wall of the installation groove, the positioning groove is communicated with the installation groove, a first positioning bulge is fixedly connected to the side wall of the tooth head, and the first positioning bulge is installed in the positioning groove. The tooth head is detachably connected with the tooth body, and when the tooth head is worn, the tooth head can be replaced only, so that the waste caused by the tooth body and the tooth handle is avoided. When the tooth head is installed, the first positioning bulge on the tooth head is placed in the positioning groove, so that the threaded hole on the tooth head is aligned with the counter bore on the tooth body, and the fixing efficiency of the tooth head is improved.
Description
Technical Field
The utility model relates to the technical field of coal mining equipment, in particular to a novel coal mining pick.
Background
The cutting pick is one of the vulnerable parts in the coal mining and tunnel tunneling machinery, and is a main tool for coal dropping and coal crushing. The existing cutting pick is shown in fig. 1, and comprises a tooth handle 1, a tooth body 2 and a tooth head 4, wherein the tooth handle 1, the tooth body 2 and the tooth head 4 are integrally formed, the tooth head 4 is arranged at one end of the tooth body 2, the tooth handle 1 is arranged at one end of the tooth body 2 away from the tooth head 4, when the cutting pick is used, the position easy to wear is the position of the tooth head 4, and the existing cutting pick is integrally formed, after the tooth head 4 is worn, the cutting pick is required to be integrally replaced, the tooth handle 1 and the tooth body are not fully utilized, and waste of the tooth handle 1 and the tooth body is caused. Aiming at the problems in the prior art, a novel coal mining pick is provided.
Disclosure of utility model
Aiming at the problems in the prior art, the utility model provides a novel coal mining pick which is realized by the following technical scheme:
the utility model provides a novel coal mining pick, includes tooth handle and tooth body, tooth handle and tooth body integrated into one piece, the tooth body sets up in the one end of tooth handle, the tooth body has been seted up the mounting groove on keeping away from the one side terminal surface of tooth handle, install the tooth head in the mounting groove, set up the counter bore that link up on the mounting groove lateral wall, set up threaded hole on the lateral wall of tooth head, wear to be equipped with fixing bolt in the counter bore, fixing bolt's screw thread end threaded connection is in the screw hole, the constant head tank has been seted up on the inside wall of mounting groove, constant head tank and mounting groove intercommunication, fixedly connected with is protruding in the first location on the tooth head lateral wall, first location arch is installed in the constant head tank.
The utility model is further provided with: and the outer side wall of the tooth body is fixedly connected with a wear-resistant layer.
The utility model is further provided with: the side wall of the tooth handle is fixedly connected with a second positioning protrusion, the first positioning protrusion, the positioning groove, the threaded hole, the counter bore and the fixing bolt are all provided with two groups, one positioning groove and the second positioning protrusion are located on the same side of the tooth body, and the first positioning protrusion and the threaded hole are arranged on the side wall of the tooth head at equal intervals.
The utility model is further provided with: the side wall of the tooth handle is fixedly connected with a second positioning bulge, the first positioning bulge, the positioning groove, the threaded hole, the counter bore and the fixing bolt are all provided with three groups, one of the positioning grooves and the second positioning bulge are located on the same side of the tooth body, and the first positioning bulge and the threaded hole are arranged on the side wall of the tooth head at equal intervals.
In summary, the beneficial technical effects of the utility model are as follows:
The tooth head is detachably connected with the tooth body, and when the tooth head is worn, the tooth head can be replaced only, so that the waste caused by the tooth body and the tooth handle is avoided. When the tooth head is installed, the first positioning bulge on the tooth head is placed in the positioning groove, so that the threaded hole on the tooth head is aligned with the counter bore on the tooth body, and the fixing efficiency of the tooth head is improved.
Drawings
FIG. 1 is a schematic diagram for showing the prior art;
FIG. 2 is a front view for showing an overall structure of the embodiment;
FIG. 3 is a cross-sectional view taken along section line A-A of FIG. 2;
FIG. 4 is a front view for showing the overall structure of the second embodiment;
FIG. 5 is a cross-sectional view taken along section line B-B of FIG. 4;
FIG. 6 is a front view for showing the overall structure of the third embodiment;
fig. 7 is a cross-sectional view taken along section line C-C of fig. 6.
Reference numerals: 1. a tooth handle; 2. a tooth body; 3. a mounting groove; 4. a tooth head; 5. countersink; 6. a threaded hole; 7. a fixing bolt; 8. a positioning groove; 9. a first positioning protrusion; 10. a wear-resistant layer; 11. and a second positioning protrusion.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
Example 1
As shown in fig. 2-3, the novel coal mining pick disclosed by the utility model comprises a tooth handle 1 and a tooth body 2, wherein the tooth handle 1 and the tooth body 2 are integrally formed, the tooth body 2 is arranged at one end of the tooth handle 1, a mounting groove 3 is formed in the end face of one side of the tooth body 2 far away from the tooth handle 1, a tooth head 4 is mounted in the mounting groove 3, a through counter bore 5 is formed in the side wall of the mounting groove 3, a threaded hole 6 is formed in the side wall of the tooth head 4, a fixing bolt 7 penetrates through the counter bore 5, the threaded end of the fixing bolt 7 is in threaded connection with the threaded hole 6, a positioning groove 8 is formed in the inner side wall of the mounting groove 3, the positioning groove 8 is communicated with the mounting groove 3, a first positioning protrusion 9 is fixedly connected to the side wall of the tooth head 4, and the first positioning protrusion 9 is mounted in the positioning groove 8. The tooth head 4 is detachably connected with the tooth body 2, and when the tooth head 4 is worn, only the tooth head 4 can be replaced, so that the waste caused by the tooth body 2 and the tooth handle 1 is avoided. When the tooth head 4 is installed, the first positioning bulge 9 on the tooth head 4 is placed in the positioning groove 8, so that the threaded hole 6 on the tooth head 4 is aligned with the counter bore 5 on the tooth body 2, and the fixing efficiency of the tooth head 4 is improved.
In order to improve the wear resistance of the tooth body 2, a wear-resistant layer 10 is fixedly connected to the outer side wall of the tooth body 2.
Example two
The difference between this embodiment and the first embodiment is shown in fig. 4-5, where a second positioning protrusion 11 is fixedly connected to a side wall of the tooth handle 1, a groove (not shown in the figure) corresponding to the second positioning protrusion 11 is also formed on the corresponding pick holder, and two groups of first positioning protrusions 9, positioning grooves 8, threaded holes 6, counter bores 5 and fixing bolts 7 are all provided, where one positioning groove 8 and the second positioning protrusion 11 are located on the same side of the tooth body 2, and the first positioning protrusions 9 and the threaded holes 6 are arranged on the side wall of the tooth head 4 at equal intervals. When the tooth head 4 is installed, one of the first positioning protrusions 9 is aligned with the second positioning protrusion 11, so that the tooth head 4 is divided into two working areas, when the hammer head is worn towards the working area of the second positioning protrusion 11, the tooth head 4 is rotated 180 degrees again, the other working area is utilized for working, and when the two working areas of the tooth head 4 are worn, the tooth head 4 is replaced, and the service time of the tooth head 4 is prolonged.
Example III
The difference between this embodiment and the first embodiment is shown in fig. 6-7, in which the side wall of the tooth handle 1 is fixedly connected with a second positioning protrusion 11, the first positioning protrusion 9, the positioning groove 8, the threaded hole 6, the counter bore 5 and the fixing bolt 7 are all provided with three groups, in which one positioning groove 8 and the second positioning protrusion 11 are located on the same side of the tooth body 2, and the first positioning protrusion 9 and the threaded hole 6 are arranged on the side wall of the tooth head 4 at equal intervals. When the tooth head 4 is installed, one of the first positioning protrusions 9 is aligned with the second positioning protrusion 11, so that the tooth head 4 is divided into three working areas, when the hammer head is worn towards the working area of the second positioning protrusion 11, the tooth head 4 is rotated for 120 degrees, the other working area is utilized for working, and when the three working areas of the tooth head 4 are worn, the tooth head 4 is replaced, and the service time of the tooth head 4 is prolonged.
Claims (4)
1. The utility model provides a novel coal mining pick, includes tooth handle (1) and tooth body (2), tooth handle (1) and tooth body (2) integrated into one piece, tooth body (2) set up in the one end of tooth handle (1), its characterized in that, tooth body (2) are kept away from on the one side terminal surface of tooth handle (1) and are offered mounting groove (3), install tooth head (4) in mounting groove (3), offered counter bore (5) that link up on mounting groove (3) lateral wall, threaded hole (6) have been offered on the lateral wall of tooth head (4), wear to be equipped with fixing bolt (7) in counter bore (5), threaded end threaded connection of fixing bolt (7) is in threaded hole (6), locating groove (8) have been offered on the inside wall of mounting groove (3), fixedly connected with first location arch (9) on tooth head (4) lateral wall, first location arch (9) are installed in locating groove (8).
2. The novel coal mining pick according to claim 1, wherein the outer side wall of the pick body (2) is fixedly connected with a wear-resistant layer (10).
3. The novel coal mining pick according to claim 2, wherein a second positioning protrusion (11) is fixedly connected to the side wall of the tooth handle (1), two groups of first positioning protrusions (9), positioning grooves (8), threaded holes (6), counter bores (5) and fixing bolts (7) are arranged, one positioning groove (8) and the second positioning protrusion (11) are located on the same side of the tooth body (2), and the first positioning protrusions (9) and the threaded holes (6) are arranged on the side wall of the tooth head (4) at equal intervals.
4. The novel coal mining pick according to claim 2, wherein a second positioning protrusion (11) is fixedly connected to the side wall of the tooth handle (1), three groups of first positioning protrusions (9), positioning grooves (8), threaded holes (6), counter bores (5) and fixing bolts (7) are arranged, one positioning groove (8) and the second positioning protrusion (11) are located on the same side of the tooth body (2), and the first positioning protrusions (9) and the threaded holes (6) are arranged on the side wall of the tooth head (4) at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322735087.4U CN220955576U (en) | 2023-10-12 | 2023-10-12 | Novel coal mining pick |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322735087.4U CN220955576U (en) | 2023-10-12 | 2023-10-12 | Novel coal mining pick |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220955576U true CN220955576U (en) | 2024-05-14 |
Family
ID=91006801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322735087.4U Active CN220955576U (en) | 2023-10-12 | 2023-10-12 | Novel coal mining pick |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220955576U (en) |
-
2023
- 2023-10-12 CN CN202322735087.4U patent/CN220955576U/en active Active
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| GR01 | Patent grant |