CN211598658U - Combined cutting tooth convenient to disassemble and assemble - Google Patents
Combined cutting tooth convenient to disassemble and assemble Download PDFInfo
- Publication number
- CN211598658U CN211598658U CN202020074287.3U CN202020074287U CN211598658U CN 211598658 U CN211598658 U CN 211598658U CN 202020074287 U CN202020074287 U CN 202020074287U CN 211598658 U CN211598658 U CN 211598658U
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- CN
- China
- Prior art keywords
- base
- plate
- outer sleeve
- pick
- fixing plate
- 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.)
- Expired - Fee Related
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- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 238000005266 casting Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 4
- 230000035939 shock Effects 0.000 abstract description 4
- 239000003245 coal Substances 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a combination formula pick of convenient dismouting, including base, outer sheathing, pick body, the tight mechanism that expands, be equipped with outer sheathing on the base, the base passes through bolt fixed connection with outer sheathing, the base below is equipped with the shock pad, be equipped with the tight mechanism that expands between the cavity that forms between base outer wall and the outer sheathing inner wall, the tight mechanism that expands includes spring, taper pin, fixed plate one, baffle, adjusting bolt, the spring passes through fastener and base fixed connection, the spring top is equipped with the taper pin, the taper pin top is equipped with fixed plate one, the round hole department of baffle is equipped with adjusting bolt, adjusting bolt's bottom is equipped with the baffle, adjusting bolt passes through the screw thread rotation with outer sheathing and is connected, outer sheathing passes through bolt and the two fixed connection of fixed plate of top. The utility model discloses simple structure, convenient to use can replace the pick fast, also can prevent to skid in the pick working process, improves work efficiency.
Description
Technical Field
The utility model relates to a pick technical field specifically is a combination formula pick of convenient dismouting.
Background
The cutting picks are divided into cutting picks of coal mining machines and cutting picks of heading machines, and are parts on the mining and heading machines. Picks push the cut in the coal seam in an impulse rotary manner, requiring simultaneous high pressure and shear bending stresses. The cutting pick and the coal seam are subjected to violent friction to generate friction heat in the excavation process, and various mechanical behaviors such as local yielding, contact fatigue, corrosion, fracture and the like can be accompanied in the whole abrasion process.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a combination formula pick of convenient dismouting, convenient to use can replace the pick fast, also can prevent that the pick from rotating the in-process and skidding, improves work efficiency. In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a combination formula pick of convenient dismouting, base, outer sleeve plate, pick body, the tight mechanism that expands, be equipped with outer sleeve plate on the base, the base passes through bolt fixed connection with outer sleeve plate, the base below is equipped with the shock pad, be equipped with the tight mechanism that expands between the cavity that forms between base outer wall and the outer sleeve plate inner wall, the tight mechanism that expands includes spring, taper pin, fixed plate one, baffle, adjusting bolt, the spring passes through fastener and spring bottom plate fixed connection, the spring top is equipped with the taper pin, the taper pin top is equipped with fixed plate one, the round hole department of baffle is equipped with adjusting bolt, adjusting bolt's bottom is equipped with fixed plate one, adjusting bolt passes through the screw thread rotation with outer sleeve plate and is connected, outer sleeve plate passes through bolt and the second fixed connection of fixed plate of top.
Preferably, the base is formed through the casting, divide into two lower two parts, and the lower part is circular steel sheet, and the first half is the round platform, and the round platform part evenly has 5 mm's kerf respectively, has annular mounting groove on the circular steel sheet of the latter half.
Preferably, the whole of the outer sleeve plate is cylindrical, the inner cavity of the outer sleeve plate is in a circular truncated cone shape, and the taper of the outer sleeve plate is the same as that of the circular truncated cone of the upper half part of the base.
Preferably, the taper of the taper pin is the same as that of the circular truncated cone part of the outer sleeve plate, and a circular groove is formed in the taper pin and used for preventing the first fixing plate from being fixed.
Preferably, the first fixing plate is a circular steel plate, the lower portion of the first fixing plate is fixedly connected with the tail portion of the adjusting bolt through a bolt, and the diameter of the first fixing plate is larger than that of the inner hole of the baffle.
Preferably, the second fixing plate is an annular steel plate, and a threaded hole is formed in the second fixing plate.
Preferably, the inner hole of the base and the inner hole of the second fixing plate are in clearance fit with the outer circular surface of the cutting pick body.
Compared with the prior art, the beneficial effects of the utility model are as follows:
firstly, the utility model discloses adopt multilayer integrated configuration, through the bolt-up, it is convenient to dismantle.
Two, the utility model discloses the key bush's principle is exempted from in the use, expands the surface of pick and the hole of outside anchor clamps tightly, need not use the key, and the installation of being convenient for also can prevent that the pick from skidding.
Thirdly, the utility model discloses an use damping device, increase the life of pick.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic view of the base of the present invention;
FIG. 3 is an enlarged schematic view of the present invention;
in the figure: 1-shock pad, 2-base, 3-outer sleeve plate, 4-spring, 5-taper pin, 6-first fixed plate, 7-baffle, 8-adjusting bolt, 9-second fixed plate and 10-cutting pick body.
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 to 3, the utility model provides a technical scheme, a combined cutting pick convenient to disassemble and assemble, a base 2, an outer sleeve plate 3, a cutting pick body 10 and an expansion mechanism, wherein the outer sleeve plate 3 is arranged on the base 2, the base 2 is fixedly connected with the outer sleeve plate 3 through bolts, a shock pad 1 is arranged below the base 2, the expansion mechanism is arranged between a cavity formed between the outer wall of the base 2 and the inner wall of the outer sleeve plate 3 and comprises a spring 4, a taper pin 5, a fixed plate I6, a baffle 7 and an adjusting bolt 8, the spring 4 is fixedly connected with a bottom plate of the spring 4 through a fastener, the taper pin 5 is arranged above the spring 4, the fixed plate I6 is arranged above the taper pin 5, the adjusting bolt 8 is arranged at the round hole of the baffle 7, the fixed plate I6 is arranged at the bottom of the adjusting bolt 8, the adjusting bolt 8 is rotatably connected with the outer sleeve plate 3 through threads, the outer sleeve plate 3 is fixedly connected with a second fixing plate 9 above through bolts.
Specifically, base 2 forms through the casting, divide into two lower two parts, and the lower part is circular steel sheet, and the first half is the round platform, and round platform part evenly distributed has 5 mm's kerf, can make base 2's round platform part's hole make base 2 and pick body 10 hold tightly under the effect of the tight mechanism that expands, has the annular mounting groove on the circular steel sheet of the latter half, can guarantee base 2 and mantle 3 concentricity.
Specifically, the whole outer sleeve plate 3 is cylindrical, the inner cavity is in a truncated cone shape, and the taper of the outer sleeve plate is the same as that of the truncated cone on the upper half part of the base 2.
Specifically, the taper of the taper pin 5 is the same as the taper of the circular truncated cone part of the outer sleeve plate 3, so that the taper pin 5 can be pressed down to be attached to the conical surfaces of the base 2 and the outer sleeve plate 3, and a circular groove is formed in the taper pin 5 and used for placing the first fixing plate 6.
Specifically, fixed plate 6 is circular steel sheet, and the lower part is equipped with through 8 afterbody fixed connection of bolt and adjusting bolt, the diameter of fixed plate 6 is greater than the diameter of 7 holes of baffle, can make when fixed plate 6 rises, drives baffle 7 and rises.
Specifically, the second fixing plate 9 is an annular steel plate, a threaded hole is formed in the second fixing plate 9, and a bolt can be installed at the threaded hole to tightly hold the outer surface of the cutting tooth.
Specifically, the inner hole of the base 2 and the inner hole of the second fixing plate 9 are in clearance fit with the outer circular surface of the cutting pick body 10.
The working principle is as follows: the installation hole passing through the base 2 and the shock pad 1 of the utility model is installed on an excavator or an ore mining machine, when the cutting pick body 10 is installed, the cutting pick body 10 is installed in the inner hole of the base 2, the adjusting bolt 8 is screwed down, the first fixed plate 6 is pressed down to drive the taper pin 5 to be pressed down, the spring 4 is compressed, the taper pin 5 extrudes the part of the round platform of the base 2 and the inner hole of the outer sleeve plate 3, the part of the round platform of the upper half part of the base 2 generates elastic deformation, the base 2 and the cutting pick body 10 are tightly held, the upper part and the lower part of the outer sleeve plate 3 are respectively fixed by the second fixed plate 9 and the base 2, the deformation is small, then the bolt at the threaded hole part of the second fixed plate 9 is screwed down, the second fixed plate 9 and the cutting pick body 10 are tightly held, when the cutting pick body 10 is disassembled, the adjusting bolt 8 is loosened, the first fixed plate 6 rises, the taper pin 5 is, then the bolt at the threaded hole of the second fixed plate 9 is loosened, and the cutting pick body 10 is taken out.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a combination formula pick of convenient dismouting, base (2), outer jacket plate (3), pick body (10), tight mechanism expands which characterized in that: the shock-absorbing base is characterized in that an outer sleeve plate (3) is arranged on the base (2), the base (2) is fixedly connected with the outer sleeve plate (3) through bolts, a shock-absorbing pad (1) is arranged below the base (2), an expansion mechanism is arranged between a cavity formed between the outer wall of the base (2) and the inner wall of the outer sleeve plate (3), the expansion mechanism comprises a spring (4), a taper pin (5), a first fixing plate (6), a baffle (7) and an adjusting bolt (8), the spring (4) is fixedly connected with the base (2) through a fastener, the taper pin (5) is arranged above the spring (4), the first fixing plate (6) is arranged above the taper pin (5), the adjusting bolt (8) is arranged at the round hole of the baffle (7), the first fixing plate (6) is arranged at the bottom of the adjusting bolt (8), and the adjusting bolt (8) is rotatably connected with the outer sleeve plate (, the outer sleeve plate (3) is fixedly connected with the second fixing plate (9) above through bolts.
2. A readily removable combination pick as claimed in claim 1, wherein: the base (2) is formed by casting and is divided into an upper part and a lower part, the lower part is a circular steel plate, the upper half part is a circular truncated cone, the circular truncated cone part is uniformly provided with 5mm saw seams respectively, and the circular steel plate of the lower half part is provided with an annular mounting groove.
3. A readily removable combination pick as claimed in claim 1, wherein: the whole of the outer sleeve plate (3) is cylindrical, the inner cavity of the outer sleeve plate is in a circular truncated cone shape, and the taper of the outer sleeve plate is the same as that of the circular truncated cone on the upper half part of the base (2).
4. A readily removable combination pick as claimed in claim 1, wherein: the taper of the taper pin (5) is the same as the taper of the circular truncated cone part of the outer sleeve plate (3), and a circular groove used for placing a first fixing plate (6) is formed in the taper pin (5).
5. A readily removable combination pick as claimed in claim 1, wherein: the first fixing plate (6) is a circular steel plate, the lower portion of the first fixing plate is fixedly connected with the tail portion of the adjusting bolt (8) through a bolt, and the diameter of the first fixing plate (6) is larger than that of the inner hole of the baffle (7).
6. A readily removable combination pick as claimed in claim 1, wherein: the second fixing plate (9) is an annular steel plate, and threaded holes are formed in the second fixing plate (9).
7. A readily removable combination pick as claimed in claim 1, wherein: and an inner hole of the base (2), an inner hole of the second fixing plate (9) and the outer circular surface of the cutting pick body (10) are in clearance fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020074287.3U CN211598658U (en) | 2020-01-14 | 2020-01-14 | Combined cutting tooth convenient to disassemble and assemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020074287.3U CN211598658U (en) | 2020-01-14 | 2020-01-14 | Combined cutting tooth convenient to disassemble and assemble |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211598658U true CN211598658U (en) | 2020-09-29 |
Family
ID=72576956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020074287.3U Expired - Fee Related CN211598658U (en) | 2020-01-14 | 2020-01-14 | Combined cutting tooth convenient to disassemble and assemble |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211598658U (en) |
-
2020
- 2020-01-14 CN CN202020074287.3U patent/CN211598658U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200929 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |