CN2743541Y - Fixing device of coal cutter chain pick - Google Patents
Fixing device of coal cutter chain pick Download PDFInfo
- Publication number
- CN2743541Y CN2743541Y CN 200420014084 CN200420014084U CN2743541Y CN 2743541 Y CN2743541 Y CN 2743541Y CN 200420014084 CN200420014084 CN 200420014084 CN 200420014084 U CN200420014084 U CN 200420014084U CN 2743541 Y CN2743541 Y CN 2743541Y
- Authority
- CN
- China
- Prior art keywords
- pick
- fixing
- chain
- guide
- steady pin
- 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
Links
- 239000003245 coal Substances 0.000 title claims abstract description 21
- 239000000956 alloy Substances 0.000 claims abstract description 10
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 10
- 238000009434 installation Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
The utility model discloses a fixing device of the coal cutter chain pick, comprising a chain pick seat, chain picks, an alloy bit, a fixing pin cover and fixing pins. The chain pick handle of the chain pick is installed in the chain pick seat; the upper end of the chain pick is fixedly installed with the alloy bit. A fixing pin cover hole is provided on the chain pick seat centered by the joint of the chain pick handle on the back of the chain pick and the chain pick seat; the fixing pin cover hole is penetrated with the fixing pin cover. Both ends of the fixing pin cover are relatively provided with a pair of fixing pins through screw threads. The utility model has the advantages of simple structure, reasonable design, easy installation, firmness and reliability; the losing rate of the chain picks is zero after 48-hour operation of the coal cutter; the fixing device of the coal cutter chain pick is suitable for the installation and use of various coal cutting machines.
Description
Technical field
The utility model relates to the fastening devices of the erection equipment of coal winning machine cutting bit, particularly a kind of coal winning machine cutting bit.
Background technology
At present, employed pick mostly is a welding connecting mode on coal-cutting machinery.The greatest drawback of this connected mode is insecure, very easily comes off in the operation.According to statistics, connect with welding the pick of mode, 48 hours Loss Rates of operation reach 20%.
Summary of the invention
Goal of the invention of the present utility model is to provide a kind of fastening devices that can overcome a kind of coal winning machine cutting bit of above-mentioned defective preferably.
The technical solution of the utility model is such, a kind of fastening devices of coal winning machine cutting bit, and it comprises pick box, pick, alloy cutter head, fixedly guide, steady pin; The pick handle of above-mentioned pick is installed in the pick box, and above-mentioned alloy cutter head fixedly is equipped with in the upper end of pick; On pick box, be that the center of circle has the steady pin trepanning with the pick handle and the pick box junction at above-mentioned pick back, be coated with foregoing fixedly guide in the steady pin trepanning; In the two ends of said fixing guide, a pair of said fixing pin is housed relatively by screw thread.
The fastening devices of aforesaid a kind of coal winning machine cutting bit, described fixedly guide are that cylindrical shape and inwall have screw thread, have the degree of depth at the middle part of said fixing guide greater than the fixing pick holddown groove of guide radius.
The fastening devices of aforesaid a kind of coal winning machine cutting bit, described steady pin one end are cylindrical and have external screw thread and have interior hexagonal hole that the other end of described steady pin is a taper type.
Characteristics of the present utility model are that simple in structure, reasonable in design, easy for installation, solid and reliable, 48 hours pick Loss Rates of coal-winning machine operation are zero.Can be fit to installing and using of various coal-cutting machineries.
Description of drawings
Fig. 1 is that a kind of fastening devices A-A of coal winning machine cutting bit is to overall schematic; Wherein: 1 pick box, 2 picks, 3 alloy cutter heads, 5 are guide, 6 steady pins fixedly.
Fig. 2 is that a kind of fastening devices B-B of coal winning machine cutting bit is to overall schematic; Wherein: 4 steady pin trepannings.
Fig. 3 is fixing guide broken section overall schematic; Wherein: 7 pick holddown grooves.
Fig. 4 looks schematic diagram for steady pin broken section master.
Fig. 5 looks schematic diagram for a steady pin left side; Wherein: hexagonal hole in 8.
The specific embodiment
Understand the fastening devices of existing a kind of coal winning machine cutting bit of accompanying drawings for goal of the invention of the present utility model, feature and technique effect being had more clearly.
By accompanying drawing 1 to 2 as seen, a kind of fastening devices of coal winning machine cutting bit, it comprises pick box 1, pick 2, alloy cutter head 3, fixedly guide 5, steady pin 6.The pick handle of above-mentioned pick 2 is installed in the pick box 1, and above-mentioned alloy cutter head 3 fixedly is equipped with in the upper end of pick 2, and alloy cutter head 3 best connected modes are that hot pressing is installed.On pick box 1, be that the center of circle has steady pin trepanning 4 with the pick handle and pick box 1 junction at above-mentioned pick 2 backs, be coated with foregoing fixedly guide 5 in the steady pin trepanning 4.In the two ends of said fixing guide 5, by screw thread a pair of said fixing pin 6 is housed relatively, its frustum small end is corresponding.
By accompanying drawing 3 as seen, the fastening devices of aforesaid a kind of coal winning machine cutting bit, described fixedly guide 5 has screw thread for cylindrical shape and inwall, have the degree of depth at the middle part of said fixing guide 5 greater than the fixing pick holddown groove 7 of guide 5 radiuses, the pick handle of pick 2 inserts pick boxs by pick holddown groove 7.
By accompanying drawing 4 to 5 as seen, the fastening devices of aforesaid a kind of coal winning machine cutting bit, described steady pin 6 one ends are cylindrical and have external screw thread and have interior hexagonal hole 8 that the other end of described steady pin 6 is a taper type.
During installation, the pick handle of pick 2 by the 7 insertion pick boxs of the pick holddown groove on the fixing guide 5, be tightened simultaneously steady pin 6 in guide 5 two ends of hexagon, is close to until the frustum inclined-plane of steady pin 6 till the pick handle of pick 2.
Claims (3)
1, a kind of fastening devices of coal winning machine cutting bit, it comprises pick (2), alloy cutter head (3); It is characterized in that it also comprises pick box (1), fixedly guide (5), steady pin (6); The pick handle of above-mentioned pick (2) is installed in the pick box (1), and above-mentioned alloy cutter head (3) fixedly is equipped with in the upper end of pick (2); On pick box (1), be that the center of circle has steady pin trepanning (4) with the pick handle and pick box (1) junction at above-mentioned pick (2) back, be coated with foregoing fixedly guide (5) in the steady pin trepanning (4); In the two ends of said fixing guide (5), a pair of said fixing pin (6) is housed relatively by screw thread.
2, the fastening devices of a kind of coal winning machine cutting bit according to claim 1, it is characterized in that, described fixedly guide (5) is for cylindrical shape and inwall have screw thread, has the degree of depth at the middle part of said fixing guide (5) greater than the fixing pick holddown groove (7) of guide (5) radius.
3, the fastening devices of a kind of coal winning machine cutting bit according to claim 1 is characterized in that, described steady pin (6) one ends are cylindrical and have external screw thread and have interior hexagonal hole (8) that the other end of described steady pin (6) is a taper type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420014084 CN2743541Y (en) | 2004-09-25 | 2004-09-25 | Fixing device of coal cutter chain pick |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420014084 CN2743541Y (en) | 2004-09-25 | 2004-09-25 | Fixing device of coal cutter chain pick |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2743541Y true CN2743541Y (en) | 2005-11-30 |
Family
ID=35633560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420014084 Expired - Fee Related CN2743541Y (en) | 2004-09-25 | 2004-09-25 | Fixing device of coal cutter chain pick |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2743541Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101089365B (en) * | 2006-06-15 | 2010-07-28 | 黑龙江科技学院 | Pick cutting assembly for excavating machinery |
| CN101883911B (en) * | 2007-12-05 | 2012-12-26 | 山特维克知识产权股份有限公司 | Breaking or excavating tool with cemented tungsten carbide insert and ring, material removing machine incorporating such a tool and method of manufacturing such a tool |
| CN105370276A (en) * | 2010-03-18 | 2016-03-02 | 山东天工岩土工程设备有限公司 | Cutting pick, wear and mounting system for mining machine |
-
2004
- 2004-09-25 CN CN 200420014084 patent/CN2743541Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101089365B (en) * | 2006-06-15 | 2010-07-28 | 黑龙江科技学院 | Pick cutting assembly for excavating machinery |
| CN101883911B (en) * | 2007-12-05 | 2012-12-26 | 山特维克知识产权股份有限公司 | Breaking or excavating tool with cemented tungsten carbide insert and ring, material removing machine incorporating such a tool and method of manufacturing such a tool |
| CN105370276A (en) * | 2010-03-18 | 2016-03-02 | 山东天工岩土工程设备有限公司 | Cutting pick, wear and mounting system for mining machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2618098A1 (en) | System and method for mine roof counter bore and cable bolt head securement therein | |
| CN2743541Y (en) | Fixing device of coal cutter chain pick | |
| CN214331103U (en) | Split sleeve type double-locking self-undercut anchor bolt | |
| CN101067365A (en) | Improved screw connection drill rod | |
| CN219170806U (en) | Multifunctional meteorological equipment maintenance key | |
| CN210732480U (en) | Mechanical arm end effector for replacing TBM single-edge hob | |
| CN220895429U (en) | Energy storage spring assembly of circuit breaker | |
| CN208468228U (en) | Lever component disassembling device | |
| CN206588373U (en) | A kind of small-sized hand, which is twisted, to be bored | |
| CN211614169U (en) | Clutch connecting plate structure | |
| CN220687795U (en) | Hexagonal drilling screw | |
| CN216922786U (en) | Eccentric check bolt | |
| CN219888455U (en) | Length-adjustable stainless steel fastener | |
| CN209963297U (en) | Torque locking torsion terminal for electric power | |
| CN220574833U (en) | Welded PCD three-face edge milling cutter | |
| CN220378657U (en) | Screw with chip guide groove | |
| CN220106902U (en) | Moment locking connecting device with good locking effect | |
| CN220805503U (en) | Anti-loosening structure and multifunctional tool rest | |
| CN203218556U (en) | Electric wire box | |
| CN217559141U (en) | Switch device for high-temperature and high-pressure valve of supercritical unit | |
| CN213269807U (en) | Special petroleum drill pipe joint for special buckle | |
| CN219673046U (en) | Stud bolt | |
| CN215315370U (en) | Cutting device for wire rod forming machine | |
| CN216175822U (en) | Simple punch fixing structure | |
| CN209036411U (en) | A kind of abnormity fastening tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Patentee address after: 158100 Xinhua Branch (industrial and commercial building), Jixi administration of industry and Commerce of Heilongjiang Province Patentee address before: The West Village 266300 Shandong province Jiaozhou Beiguan office Qingdao Austria XinDa metal processing Co. Ltd |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |