CN109025992B - Knife holder protective sleeve for knife holders of trenchers and coal mining machines - Google Patents
Knife holder protective sleeve for knife holders of trenchers and coal mining machines Download PDFInfo
- Publication number
- CN109025992B CN109025992B CN201811113508.7A CN201811113508A CN109025992B CN 109025992 B CN109025992 B CN 109025992B CN 201811113508 A CN201811113508 A CN 201811113508A CN 109025992 B CN109025992 B CN 109025992B
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- China
- Prior art keywords
- limiting
- cutter
- cutter holder
- holder
- protective sleeve
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- 230000001681 protective effect Effects 0.000 title claims abstract description 36
- 239000003245 coal Substances 0.000 title abstract description 7
- 238000005065 mining Methods 0.000 title abstract description 7
- 239000000463 material Substances 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/18—Mining picks; Holders therefor
- E21C35/19—Means for fixing picks or holders
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Knives (AREA)
Abstract
The invention relates to a cutter holder protective sleeve for a cutter holder of a trencher and a coal mining machine, which comprises a protective sleeve body, wherein the protective sleeve body is provided with a cutter holder accommodating cavity, two ends of the cutter holder accommodating cavity are provided with a first cutter holder limiting piece and a second cutter holder limiting piece which are oppositely arranged, connecting holes matched with cutter heads are respectively formed in the middle parts of the first cutter holder limiting piece and the second cutter holder limiting piece, one side, far away from the cutter holder accommodating cavity, of the first cutter holder limiting piece is provided with a cutter head pick abutting end, a cutter head contacts and abuts against the cutter head pick abutting end, and a cutter head limiting buckle device is arranged in the second cutter holder limiting piece, so that the cutter head limiting buckle device has the beneficial effects that: the cutter holder protective sleeve provided by the invention has the advantages that the cutter head is convenient to detach, a special tool is not needed, the cutter head is quickly replaced, the abutting end of the cutter head cutting pick is made of special hardness materials, the service life of the cutter holder protective sleeve is prolonged, the cutter holder protective sleeve is low in cost and long in service life, and the working efficiency of a trencher and a coal mining machine is effectively improved.
Description
Technical Field
The invention relates to the field of cutter holders of trenchers and coal mining machines, in particular to a cutter holder protective sleeve for a trencher and a coal mining machine.
Background
The utility model provides a be equipped with the cutter holder that has all welded on the wheel hub of engineering truck such as ditcher, coal-winning machine for installation work tool bit, traditional tool bit inserts and locates the cutter holder middle part and spacing through the buckle, but this kind of mechanism has a great deal of shortages, firstly, the buckle dismouting is complicated, thereby needs special tool to strut by force, waste time and energy and thereby can appear the buckle dropping the problem that throws away the tool bit at the during operation, not only influence engineering operation and have the danger that takes place engineering accident, secondly, the wearing and tearing region can appear in the terminal surface that cutter holder and tool bit operation end contacted, need flame cutting separation cutter holder and wheel hub after the cutter holder wearing and tearing, change brand-new cutter holder, weld once more, influence cost and engineering progress greatly.
Disclosure of Invention
The technical problem to be solved by the present invention is to address the above-mentioned shortcomings of the prior art,
a blade holder protective sleeve for a trencher and shearer blade holder is provided that prevents blade holder wear and effectively secures a blade head in the blade holder.
In order to achieve the above purpose, the present invention provides the following technical solutions: a blade holder protective sheath for ditch digger and coal-winning machine blade holder, including the protective sheath body, its characterized in that: the protective sleeve body is provided with a cutter holder accommodating cavity, two ends of the cutter holder accommodating cavity are provided with a first cutter holder limiting piece and a second cutter holder limiting piece which are arranged oppositely, connecting holes matched with cutter heads are formed in the middle of the first cutter holder limiting piece and the middle of the second cutter holder limiting piece, one side, away from the cutter holder accommodating cavity, of the first cutter holder limiting piece is a cutter head cutting pick abutting end, the cutter head contacts and abuts against the cutter head cutting pick abutting end, and a cutter head limiting retaining ring device is arranged inside the second cutter holder limiting piece.
By adopting the technical scheme, the cutter holder is arranged in the cutter holder protective sleeve, the traditional cutter bit is contacted with one end of the cutter holder, the contact area is easy to wear, the cutter holder and the hub are required to be separated by flame cutting after wear, the brand new cutter holder is replaced, the cost and the engineering progress are greatly influenced, the cutter holder protective sleeve is arranged, the cutter holder is prevented from being directly contacted with the cutter bit, the cutter bit is directly contacted with the cutter bit abutting end of the cutter holder protective sleeve, the cutter bit abutting end of the cutter holder protective sleeve is made of special hardness materials, the service life is prolonged, the cutter holder protective sleeve is not required to be replaced even if the cutter holder protective sleeve is worn, the cutter holder protective sleeve is not required to be matched with the cutter holder, the cutter holder protective sleeve is not required to be redesigned, the cost of the cutter holder protective sleeve is only half of that of the cutter holder, but the service life is more than 2-3 times that of the cutter holder, the cutter holder is convenient to replace, the cutter bit limiting buckle device arranged in the second limiting piece further plays a limiting role on the cutter bit, the cutter throwing phenomenon is greatly reduced, the safety performance is improved, and the work efficiency is ensured.
The above-mentioned blade holder protective sheath for a trencher and shearer blade holder may further be provided with: the cutter head limiting buckle device comprises a limiting cavity arranged inside a limiting piece of the second cutter seat, a limiting semicircular ring and a first limiting block which is positioned on the same plane with the limiting semicircular ring are arranged in the limiting cavity, a gap is formed between the limiting semicircular ring and the first limiting block, and one end, far away from the limiting ring, of the first limiting block is provided with an adjusting mechanism capable of adjusting the gap between the first limiting block and the limiting ring.
By adopting the technical scheme, the inside diameter of the limiting semicircular ring is matched with the outside diameter of the cutter head, the cutter head is clamped on the cutter head when passing through the inside limiting semicircular ring of the second cutter seat limiting piece, the opening of the limiting semicircular ring is provided with the first limiting block, the tightness adjustment is realized by the adjusting mechanism capable of adjusting the gap between the first limiting block and the limiting semicircular ring, the adjusting mechanism is loosened when the cutter head needs to be replaced, the cutter head can be easily taken out, and the gap between the limiting semicircular ring and the first limiting block is adjusted to be minimum through the adjusting mechanism when the cutter head needs to be locked, so that the cutter head is effectively prevented from being taken off.
The above-mentioned blade holder protective sheath for a trencher and shearer blade holder may further be provided with: the adjusting mechanism comprises a second limiting block arranged in the limiting cavity, two sides of the first limiting block are arranged in the second limiting block and can radially slide along the joint, an adjusting block which penetrates through the second limiting block to be contacted with the first limiting block is arranged in the middle of the second limiting block, and the other end of the adjusting block penetrates out of the second tool apron limiting piece.
The above-mentioned blade holder protective sheath for a trencher and shearer blade holder may further be provided with: the adjusting block is an adjusting bolt, the second tool apron limiting piece is provided with an adjusting bolt connecting hole, a threaded hole matched with the adjusting bolt is formed in the middle of the second limiting block, and the adjusting bolt penetrates through the adjusting bolt connecting hole and is connected into the threaded hole of the second limiting block.
By adopting the technical scheme, through setting the adjustment mechanism into second stopper and regulating block, the regulating block sets up to between adjusting bolt and the second stopper through threaded connection not only adjust conveniently and easily dismantle, and first stopper both sides are in the horizontal migration of spacing first stopper in the second stopper, play better locking effect to the tool bit.
The beneficial effects of the invention are as follows: the cutter holder protective sleeve provided by the invention has the advantages that the cutter head is convenient to detach, a special tool is not needed, the cutter head is quickly replaced, the abutting end of the cutter head cutting pick is made of special hardness materials, the service life of the cutter holder protective sleeve is prolonged, the cutter holder protective sleeve is low in cost and long in service life, and the working efficiency of a trencher and a coal mining machine is effectively improved.
The invention is described in further detail below with reference to the drawings and examples.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention.
Fig. 2 is a schematic side view of an embodiment of the present invention.
Fig. 3 is a schematic sectional view of the portion a in fig. 2.
Detailed Description
See fig. 1-3: the utility model provides a blade holder protective sheath for ditch digger and coal-winning machine blade holder, including protective sheath body 1, protective sheath body 1 is provided with blade holder holding chamber 11, blade holder holding chamber 11 both ends are equipped with the first blade holder spacing piece 12 and the spacing piece 13 of second blade holder of setting up relatively, first blade holder spacing piece 12 and the spacing piece 13 middle part of second blade holder all are equipped with the connecting hole 121 with blade head looks adaptation, one side that blade holder holding chamber 11 was kept away from to first blade holder spacing piece 12 is blade head pick butt end 122, blade head contact butt is in blade head pick butt end 122, the inside blade head spacing buckle device that is equipped with of second blade holder spacing piece 13, the inside spacing chamber 131 that is equipped with of blade head spacing buckle device is equipped with spacing semicircle ring 14 and is in the first stopper 15 of coplanar with spacing semicircle ring 14, spacing semicircle ring 14 is equipped with clearance 16 between the first stopper 15, the one end that spacing ring 14 was kept away from is equipped with adjustable first stopper 15 and spacing 16's adjustment mechanism, adjustment mechanism including setting up in spacing chamber 17 in the second blade holder spacing chamber 17 and second adjustment bolt 17, the second adjustment bolt 17 is equipped with the second adjustment bolt 17 in the second adjustment bolt 17 is equipped with the second adjustment bolt 17 and passes the second adjustment bolt 17 in the second adjustment bolt 17, the second adjustment bolt 17 is equipped with the second adjustment bolt 17 and passes the second adjustment bolt 17 the second adjustment bolt is equipped with the second adjustment bolt 17.
Claims (3)
1. A blade holder protective sheath for ditch digger and coal-winning machine blade holder, including the protective sheath body, its characterized in that: the protective sleeve body is provided with a cutter holder accommodating cavity, two ends of the cutter holder accommodating cavity are provided with a first cutter holder limiting piece and a second cutter holder limiting piece which are arranged oppositely, connecting holes matched with cutter heads are formed in the middle of the first cutter holder limiting piece and the middle of the second cutter holder limiting piece, one side, away from the cutter holder accommodating cavity, of the first cutter holder limiting piece is a cutter head cutting pick butt end, the cutter head contacts and butt ends of the cutter head cutting picks butt ends, a cutter head limiting buckle device is arranged inside the second cutter holder limiting piece, the cutter head limiting buckle device comprises a limiting cavity arranged inside the second cutter holder limiting piece, a limiting semicircle ring and a first limiting block which is located on the same plane with the limiting semicircle ring are arranged in the limiting cavity, a gap is formed between the limiting semicircle ring and the first limiting block, and one end, away from the limiting ring, of the first limiting block is provided with an adjusting mechanism capable of adjusting the gap between the first limiting block and the limiting ring.
2. A blade holder protective cover for a trencher and shearer blade holder as defined in claim 1, wherein: the adjusting mechanism comprises a second limiting block arranged in the limiting cavity, two sides of the first limiting block are arranged in the second limiting block and can radially slide along the joint, an adjusting block which penetrates through the second limiting block to be contacted with the first limiting block is arranged in the middle of the second limiting block, and the other end of the adjusting block penetrates out of the second tool apron limiting piece.
3. A blade holder protective cover for a trencher and shearer blade holder as defined in claim 2, wherein: the adjusting block is an adjusting bolt, the second tool apron limiting piece is provided with an adjusting bolt connecting hole, a threaded hole matched with the adjusting bolt is formed in the middle of the second limiting block, and the adjusting bolt penetrates through the adjusting bolt connecting hole and is connected into the threaded hole of the second limiting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811113508.7A CN109025992B (en) | 2018-09-25 | 2018-09-25 | Knife holder protective sleeve for knife holders of trenchers and coal mining machines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811113508.7A CN109025992B (en) | 2018-09-25 | 2018-09-25 | Knife holder protective sleeve for knife holders of trenchers and coal mining machines |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109025992A CN109025992A (en) | 2018-12-18 |
| CN109025992B true CN109025992B (en) | 2024-01-05 |
Family
ID=64617602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811113508.7A Active CN109025992B (en) | 2018-09-25 | 2018-09-25 | Knife holder protective sleeve for knife holders of trenchers and coal mining machines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109025992B (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2161724Y (en) * | 1993-06-22 | 1994-04-13 | 煤炭科学研究总院南京研究所 | Pick |
| JPH1018775A (en) * | 1996-07-04 | 1998-01-20 | Mitsubishi Heavy Ind Ltd | Cutter head |
| US5833323A (en) * | 1997-02-03 | 1998-11-10 | Kennametal Inc. | Cutting toolholder retention system |
| DE102008010609A1 (en) * | 2008-02-22 | 2009-09-03 | Gerd Elfgen | Chisel holder for use with chisel holder arrangement, has borehole for retaining of cylindrical shaft of chisel that is rotated around longitudinal axis, where channel is provided to form connection |
| CN201581895U (en) * | 2008-09-05 | 2010-09-15 | 维特根有限公司 | Tool apron |
| CN205936605U (en) * | 2016-08-08 | 2017-02-08 | 温州宝通机械制造有限公司 | Cutter bit |
| CN106968669A (en) * | 2016-08-08 | 2017-07-21 | 温州宝通机械制造有限公司 | A kind of pick |
| CN206647106U (en) * | 2016-12-19 | 2017-11-17 | 中铁建大桥工程局集团第二工程有限公司 | Shield serrated knife mounting structure |
| CN206769906U (en) * | 2017-04-01 | 2017-12-19 | 韩玉祥 | A kind of coal winning machine cutting bit antithrow off device |
| CN206830173U (en) * | 2017-06-17 | 2018-01-02 | 瑞安市飞翔机械部件有限公司 | A kind of cutting bit assembly |
| CN107842365A (en) * | 2017-12-18 | 2018-03-27 | 李秋平 | A kind of coal winning machine cutting bit antithrow off device |
| CN207577503U (en) * | 2017-11-06 | 2018-07-06 | 常州市兴强工具有限公司 | Novel transmission cutter |
| WO2018162478A1 (en) * | 2017-03-06 | 2018-09-13 | POWER-TECHNOLOGIE GmbH | Round-shank pick and method for mounting a round-shank pick |
| CN209053617U (en) * | 2018-09-25 | 2019-07-02 | 温州宝通机械制造有限公司 | It is a kind of for ditcher and the tool apron protective case of coalcutter tool apron |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7229136B2 (en) * | 2004-09-28 | 2007-06-12 | The Sollami Company | Non-rotatable wear ring and retainer sleeve for a rotatable tool |
-
2018
- 2018-09-25 CN CN201811113508.7A patent/CN109025992B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2161724Y (en) * | 1993-06-22 | 1994-04-13 | 煤炭科学研究总院南京研究所 | Pick |
| JPH1018775A (en) * | 1996-07-04 | 1998-01-20 | Mitsubishi Heavy Ind Ltd | Cutter head |
| US5833323A (en) * | 1997-02-03 | 1998-11-10 | Kennametal Inc. | Cutting toolholder retention system |
| DE102008010609A1 (en) * | 2008-02-22 | 2009-09-03 | Gerd Elfgen | Chisel holder for use with chisel holder arrangement, has borehole for retaining of cylindrical shaft of chisel that is rotated around longitudinal axis, where channel is provided to form connection |
| CN201581895U (en) * | 2008-09-05 | 2010-09-15 | 维特根有限公司 | Tool apron |
| CN106968669A (en) * | 2016-08-08 | 2017-07-21 | 温州宝通机械制造有限公司 | A kind of pick |
| CN205936605U (en) * | 2016-08-08 | 2017-02-08 | 温州宝通机械制造有限公司 | Cutter bit |
| CN206647106U (en) * | 2016-12-19 | 2017-11-17 | 中铁建大桥工程局集团第二工程有限公司 | Shield serrated knife mounting structure |
| WO2018162478A1 (en) * | 2017-03-06 | 2018-09-13 | POWER-TECHNOLOGIE GmbH | Round-shank pick and method for mounting a round-shank pick |
| CN206769906U (en) * | 2017-04-01 | 2017-12-19 | 韩玉祥 | A kind of coal winning machine cutting bit antithrow off device |
| CN206830173U (en) * | 2017-06-17 | 2018-01-02 | 瑞安市飞翔机械部件有限公司 | A kind of cutting bit assembly |
| CN207577503U (en) * | 2017-11-06 | 2018-07-06 | 常州市兴强工具有限公司 | Novel transmission cutter |
| CN107842365A (en) * | 2017-12-18 | 2018-03-27 | 李秋平 | A kind of coal winning machine cutting bit antithrow off device |
| CN209053617U (en) * | 2018-09-25 | 2019-07-02 | 温州宝通机械制造有限公司 | It is a kind of for ditcher and the tool apron protective case of coalcutter tool apron |
Non-Patent Citations (1)
| Title |
|---|
| 新型采煤机截齿的研究;王雨华，张志文，向东;江苏煤炭(03);20-21 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109025992A (en) | 2018-12-18 |
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