CN220748249U - Pick for coal cutter convenient to replace - Google Patents
Pick for coal cutter convenient to replace Download PDFInfo
- Publication number
- CN220748249U CN220748249U CN202322604840.6U CN202322604840U CN220748249U CN 220748249 U CN220748249 U CN 220748249U CN 202322604840 U CN202322604840 U CN 202322604840U CN 220748249 U CN220748249 U CN 220748249U
- Authority
- CN
- China
- Prior art keywords
- pick body
- cutting pick
- wall
- protective sleeve
- pick
- 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.)
- Active
Links
- 239000003245 coal Substances 0.000 title abstract description 37
- 230000001681 protective effect Effects 0.000 claims abstract description 38
- 230000007246 mechanism Effects 0.000 claims description 20
- 230000008859 change Effects 0.000 claims description 8
- 238000005065 mining Methods 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 10
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Crushing And Pulverization Processes (AREA)
Abstract
The utility model discloses a cutting pick for a coal mining machine, which is convenient to replace, and relates to the field of cutting picks for coal mining machines; the scheme of elastic part and clamping plate to pick body block has the beneficial effects that the pick body moves downwards on the inner wall of the protective sleeve, so that the elastic part is movably clamped in a plurality of groups of grooves formed in the upper surface of the pick body, the pick body is fixed above the pick body, the clamping plate is pressed below the outer surface of the pick body, the clamping plate drives the powerful spring to move in the grooves formed in the inner wall of the protective sleeve, the pick body is rotated, the semicircular grooves formed in the surface of the pick body correspond to the clamping plate, the powerful spring drives the clamping plate, the clamping plate is clamped in the semicircular grooves formed in the surface of the pick body, the semicircular grooves formed in the surface of the pick body are shallow to deep semicircular grooves, the pick body is fixed below the pick body, and when in replacement, the pick body is rotated in the opposite direction, the pick body is pulled out forcefully, so that the elastic part is separated from the protective sleeve, and the effect of conveniently replacing the coal cutter is achieved.
Description
Technical Field
The utility model discloses a cutting pick for a coal mining machine, which is convenient to replace and relates to the technical field of cutting picks for coal mining machines.
Background
The cutting pick in the coal mining machine and the heading machine is a very important component of the fully-mechanized coal mining equipment, and the performance of the cutting pick directly influences the mining efficiency.
According to the improved coal cutter cutting pick disclosed in Chinese patent publication No. CN216305908U, through uniformly arranging axial V-shaped grooves on the whole body of the cutter body, the self-rotation capacity of the cutting pick under the action of external force is promoted, and meanwhile, the aim that the cutting pick can be uniformly worn when the left roller and the right roller of the coal cutter rotate clockwise and anticlockwise respectively is achieved, so that the service life and the coal mining efficiency of the cutting pick are improved.
However, the device has the problems that the cutting pick of the coal mining machine is worn greatly in the mining work, and the cutting pick of the coal mining machine is designed integrally, so that the cutting pick of the coal mining machine is inconvenient to replace.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model aims to improve the technology of the cutting pick for the coal cutter, and provides the cutting pick for the coal cutter which is convenient to replace.
The purpose of the utility model is realized in the following way:
pick for coal-winning machine convenient to change includes: the device comprises a main body mechanism and a replacement mechanism, wherein the replacement mechanism is arranged in the main body mechanism;
the body mechanism includes: the cutting pick comprises a mounting block, a protective sleeve, a cutting pick body, a scraper, a spiral cutter and a motor, wherein the protective sleeve is sleeved above the mounting block, the cutting pick body is sleeved above the protective sleeve, the scraper is rotationally connected to the outer wall above the cutting pick body, the spiral cutter is rotationally connected to the inner wall of the cutting pick body, and the motor is mounted on the inner wall of the mounting block;
the replacement mechanism includes: the clamping plate comprises a clamping plate body, strong springs and elastic pieces, wherein the strong springs are fixedly connected to the left side and the right side of the clamping plate body, and the elastic pieces are arranged above the clamping plate body.
Preferably, the cutting pick body is provided with a groove above, and the scraper is rotationally connected with the inner wall of the groove above the cutting pick body.
Preferably, a material conveying groove is formed in the inner wall of the cutting pick body, and the spiral cutter is located on the inner wall of the material conveying groove formed in the inner wall of the cutting pick body.
Preferably, a groove is formed below the spiral knife, and the upper part of the motor is clamped in the groove formed below the spiral knife.
Preferably, the inner wall of the protective sleeve is provided with a groove, the clamping plate is movably clamped in the groove formed in the inner wall of the protective sleeve, and the surface below the cutting pick body is provided with a semi-annular groove.
Preferably, an elastic element is fixedly connected above the inner wall of the protective sleeve, a plurality of groups of grooves are formed in the upper surface of the cutting pick body, and the elastic element is movably clamped in the plurality of groups of grooves formed in the upper surface of the cutting pick body.
Preferably, the discharging groove is formed in the outer wall of the cutting pick body, and the discharging groove is formed in the outer wall of the mounting block and the outer wall of the protective sleeve.
Compared with the prior art, the utility model has the following beneficial effects:
first, this pick for coal-winning machine convenient to change has the effect of conveniently changing the coal-winning machine pick: through with the pick body down move in the protective sheath inner wall, then make elastic component movable block in the multiunit recess of pick body top surface seting up, fix pick body top, make pick body external surface below press the cardboard, make the cardboard drive powerful spring and remove in the recess of seting up to the protective sheath inner wall, then rotate the pick body, make the semi-annular recess of seting up on pick body surface correspond the cardboard, then make powerful spring drive the cardboard, make the cardboard block in the semi-annular recess of seting up on pick body surface, the semi-annular recess of seting up on this pick body surface is by shallow to dark semi-annular groove, then fix pick body below, during the change, reverse direction rotation pick body can, pull out the pick body with force, make the elastic component break away from the protective sheath can, reach the effect that conveniently change the coal-winning machine pick.
Second, this pick for coal-winning machine convenient to change has the effect that prevents that small coal ore from blocking at pick body surface, improves exploitation efficiency: the coal cutter is driven to collect coal mine through the coal cutter during operation, the scraper rotates to crush small coal mine left on the surface of the cutter, then the conveying trough formed in the inner wall of the cutter reaches the inside of the cutter, the upper part of the motor is clamped in the groove formed below the spiral cutter, the motor is started, then the spiral cutter is driven to rotate, the crushed coal mine is driven to the inner bottom wall of the cutter, the discharging trough formed in the outer wall of the cutter reaches the discharging trough formed in the outer wall of the mounting block and the outer wall of the protective sleeve, and then the small coal mine is discharged, so that the effect of preventing the small coal mine from being clamped on the surface of the cutter and improving the mining efficiency is achieved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the bottom structure of the present utility model;
FIG. 3 is a schematic view of the pick body of the present utility model;
FIG. 4 is a schematic view of the overall planing surface structure of the present utility model;
fig. 5 is a schematic view of the overall side planing surface structure of the present utility model.
Wherein: 1. a main body mechanism; 101. a mounting block; 102. a protective sleeve; 103. a cutting pick body; 104. a scraper; 105. a spiral knife; 106. a motor; 2. a replacement mechanism; 201. a clamping plate; 202. a strong spring; 203. an elastic member.
Detailed Description
The following detailed description of the utility model refers to the accompanying drawings.
The cutting pick for the coal mining machine, which is convenient to replace in the specific embodiment, as shown in fig. 1-5, comprises: the device comprises a main body mechanism 1 and a replacement mechanism 2, wherein the replacement mechanism 2 is arranged inside the main body mechanism 1;
the main body mechanism 1 includes: the cutting pick comprises a mounting block 101, a protective sleeve 102, a cutting pick body 103, a scraper 104, a spiral cutter 105 and a motor 106, wherein the protective sleeve 102 is sleeved above the mounting block 101, the cutting pick body 103 is sleeved above the protective sleeve 102, the scraper 104 is rotationally connected to the outer wall above the cutting pick body 103, the spiral cutter 105 is rotationally connected to the inner wall of the cutting pick body 103, and the motor 106 is mounted on the inner wall of the mounting block 101;
the replacement mechanism 2 includes: the clamping plate 201, the powerful spring 202 and the elastic piece 203, wherein the powerful spring 202 is fixedly connected to the left side and the right side of the clamping plate 201, and the elastic piece 203 is arranged above the clamping plate 201.
Through the technical scheme, the cutting pick body 103 moves downwards on the inner wall of the protective sleeve 102, then the elastic piece 203 is movably clamped in a plurality of groups of grooves formed in the upper surface of the cutting pick body 103, the upper part of the cutting pick body 103 is fixed, the clamping plate 201 is pressed below the outer surface of the cutting pick body 103, the clamping plate 201 drives the powerful spring 202 to move towards the grooves formed in the inner wall of the protective sleeve 102, then the cutting pick body 103 is rotated, the semicircular grooves formed in the surface of the cutting pick body 103 correspond to the clamping plate 201, then the powerful spring 202 drives the clamping plate 201, the clamping plate 201 is clamped in the semicircular grooves formed in the surface of the cutting pick body 103, the semicircular grooves formed in the surface of the cutting pick body 103 are shallow to deep semicircular grooves, then the lower part of the cutting pick body 103 is fixed, when the cutting pick body 103 is replaced, the cutting pick body 103 is rotated in the opposite direction, and the cutting pick body 103 is pulled out forcefully, and the elastic piece 203 is separated from the protective sleeve 102, so that the effect of conveniently replacing the cutting pick of a coal cutter is achieved;
the coal cutter is used for driving the cutting pick body 103 to collect coal mines during operation, the scraper 104 rotates to crush small coal mines remained on the surface of the cutting pick body 103, then a conveying trough formed in the inner wall of the cutting pick body 103 reaches the inside of the cutting pick body 103, the upper part of the motor 106 is clamped in a groove formed in the lower part of the spiral cutter 105, the motor 106 is started, then the spiral cutter 105 is driven to rotate, the crushed coal mines are driven to the inner bottom wall of the cutting pick body 103, a discharging trough formed in the outer wall of the cutting pick body 103 reaches the discharging trough formed in the outer wall of the mounting block 101 and the outer wall of the protective sleeve 102, and then the small coal mines are discharged, so that the effect of preventing the small coal mines from being clamped on the surface of the cutting pick body 103 and improving the mining efficiency is achieved.
Specifically, a groove is formed above the pick body 103, and the scraper 104 is rotationally connected to the inner wall of the groove formed above the pick body 103.
Through above-mentioned technical scheme, connect the recess inner wall of seting up in pick body 103 top through scraper 104 rotation, make the coal-winning machine at the during operation, drive pick body 103 and gather the colliery, scraper 104 rotates smashes the small lump coal ore that remains on pick body 103 surface, prevents small lump coal ore card at pick body 103 surface, improves exploitation efficiency.
Specifically, a material conveying groove is formed in the inner wall of the cutting pick body 103, and the spiral cutter 105 is located on the material conveying groove inner wall formed in the inner wall of the cutting pick body 103.
Through above-mentioned technical scheme, smash through smash the small coal mine, then reach the pick body 103 inside through the defeated silo that the pick body 103 inner wall was seted up, then through the screw sword 105, make the screw sword 105 drive the colliery that smashes and move downwards.
Specifically, a groove is formed below the spiral cutter 105, and the upper side of the motor 106 is clamped in the groove formed below the spiral cutter 105.
Through above-mentioned technical scheme, this inside prior art that is of motor 106, through with motor 106 top block in the recess of seting up of screw sword 105 below, motor 106 starts, then drives screw sword 105 and rotates, drives the colliery that finishes smashing to the internal diapire of pick body 103.
Specifically, the inner wall of the protective sleeve 102 is provided with a groove, the clamping plate 201 is movably clamped in the groove provided on the inner wall of the protective sleeve 102, and the lower surface of the pick body 103 is provided with a semi-annular groove.
Through the technical scheme, through with pick body 103 downwardly moving in protective sheath 102 inner wall, then make pick body 103 surface below press the cardboard 201, make cardboard 201 drive powerful spring 202 to the recess that protective sheath 102 inner wall was seted up in remove, then rotate pick body 103, make the semi-annular recess that pick body 103 surface was seted up correspond cardboard 201, then make powerful spring 202 drive cardboard 201, make cardboard 201 block in the semi-annular recess that pick body 103 surface was seted up, the semi-annular recess that this pick body 103 surface was seted up is shallow to dark semi-annular groove, then fix pick body 103 below, during the change, reverse direction rotation pick body 103 can.
Specifically, an elastic element 203 is fixedly connected above the inner wall of the protective sleeve 102, a plurality of groups of grooves are formed in the upper surface of the cutting pick body 103, and the elastic element 203 is movably clamped in the plurality of groups of grooves formed in the upper surface of the cutting pick body 103.
Through above-mentioned technical scheme, through with the pick body 103 move down in the protective sheath 102 inner wall, then make elastic component 203 activity block in the multiunit recess of pick body 103 top surface seting up, fix pick body 103 top, during the change, pull out pick body 103 by force, make elastic component 203 break away from protective sheath 102 can, this elastic component 203 is prior art, reaches the effect that conveniently changes the coal-winning machine pick.
Specifically, the discharge chute is formed in the outer wall of the pick body 103, and the discharge chute is formed in the outer walls of the mounting block 101 and the protective sleeve 102.
Through above-mentioned technical scheme, through driving the colliery that will smash the completion to pick body 103 inner bottom wall, then set up the blown down tank through pick body 103 outer wall and reach the blown down tank that installation piece 101 and protective sheath 102 outer wall all set up, then discharge, reach the effect that prevents little coal mine card at pick body 103 surface, improve exploitation efficiency.
Although particular embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may be made therein without departing from the principles and spirit thereof, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. Pick for coal-winning machine convenient to change includes: a main body mechanism (1) and a replacement mechanism (2), wherein the replacement mechanism (2) is arranged in the main body mechanism (1);
the main body mechanism (1) includes: the cutting pick comprises a mounting block (101), a protective sleeve (102), a cutting pick body (103), a scraper (104), a spiral cutter (105) and a motor (106), wherein the protective sleeve (102) is sleeved above the mounting block (101), the cutting pick body (103) is sleeved above the protective sleeve (102), the scraper (104) is rotationally connected to the outer wall above the cutting pick body (103), the spiral cutter (105) is rotationally connected to the inner wall of the cutting pick body (103), and the motor (106) is mounted on the inner wall of the mounting block (101);
the replacement mechanism (2) includes: cardboard (201), powerful spring (202) and elastic component (203), cardboard (201) left and right sides fixedly connected with powerful spring (202), cardboard (201) top is provided with elastic component (203).
2. The easy-to-replace cutting pick for a shearer of claim 1, wherein: the cutting pick body (103) is provided with a groove above, and the scraper (104) is rotationally connected with the inner wall of the groove above the cutting pick body (103).
3. The easy-to-replace cutting pick for a shearer of claim 1, wherein: the feeding groove is formed in the inner wall of the cutting pick body (103), and the spiral cutter (105) is located on the inner wall of the feeding groove formed in the inner wall of the cutting pick body (103).
4. The easy-to-replace cutting pick for a shearer of claim 1, wherein: the lower part of the spiral knife (105) is provided with a groove, and the upper part of the motor (106) is clamped in the groove arranged below the spiral knife (105).
5. The easy-to-replace cutting pick for a shearer of claim 1, wherein: the cutting pick is characterized in that a groove is formed in the inner wall of the protective sleeve (102), the clamping plate (201) is movably clamped in the groove formed in the inner wall of the protective sleeve (102), and a semi-annular groove is formed in the lower surface of the cutting pick body (103).
6. The easy-to-replace cutting pick for a shearer of claim 1, wherein: elastic pieces (203) are fixedly connected above the inner wall of the protective sleeve (102), a plurality of groups of grooves are formed in the upper surface of the cutting pick body (103), and the elastic pieces (203) are movably clamped in the plurality of groups of grooves formed in the upper surface of the cutting pick body (103).
7. The easy-to-replace cutting pick for a shearer of claim 1, wherein: the outer wall of the cutting pick body (103) is provided with a discharge chute, and the outer walls of the mounting block (101) and the protective sleeve (102) are provided with discharge chutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322604840.6U CN220748249U (en) | 2023-09-25 | 2023-09-25 | Pick for coal cutter convenient to replace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322604840.6U CN220748249U (en) | 2023-09-25 | 2023-09-25 | Pick for coal cutter convenient to replace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220748249U true CN220748249U (en) | 2024-04-09 |
Family
ID=90556249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322604840.6U Active CN220748249U (en) | 2023-09-25 | 2023-09-25 | Pick for coal cutter convenient to replace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220748249U (en) |
-
2023
- 2023-09-25 CN CN202322604840.6U patent/CN220748249U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210303830U (en) | Raw stone crushing device for mine | |
| CN211487907U (en) | Slag discharge door for coal mill of thermal power plant for preventing coal slag accumulation | |
| CN210252500U (en) | Dustless reducing mechanism is used in cast coal production | |
| CN220748249U (en) | Pick for coal cutter convenient to replace | |
| CN105562154A (en) | Small horizontal type material crushing device | |
| CN219663809U (en) | Waste glass treatment device | |
| CN211359088U (en) | Grinder is used in traditional chinese medicine processing | |
| CN211470105U (en) | Dedicated vibration discharging device of tungsten concentrate production | |
| CN212855980U (en) | Coal mining reducing mechanism for coal mine | |
| CN113006784A (en) | High-efficient cutting system of coal-winning machine | |
| CN221693776U (en) | Mining machinery rubble equipment | |
| CN212508289U (en) | Unmanned working face for mining in mine field | |
| CN113457797A (en) | Fly ash ultrafine powder grinding system | |
| CN220879176U (en) | Magnetic separation device for ore exploitation | |
| CN212524368U (en) | Vertical crusher | |
| CN111633873A (en) | Injection molding excess material crushing device | |
| CN112742560A (en) | Breaker is used in mineral product processing | |
| CN214390371U (en) | Crushing edulcoration equipment of ore dressing | |
| CN220294811U (en) | Crushing device for ore crushing | |
| CN220610576U (en) | Colliery breaker | |
| CN218190182U (en) | Wear-resisting vertical scroll breaker | |
| CN221452676U (en) | Dust collector is used in lime stone breakage | |
| CN217349971U (en) | Vibrating feeder | |
| CN218308420U (en) | Waste recycling and processing production line for aerated blocks | |
| CN215783672U (en) | A breaker for powder coating sheet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |