CN107617489B - Crusher rotating shaft mechanical locking device - Google Patents
Crusher rotating shaft mechanical locking device Download PDFInfo
- Publication number
- CN107617489B CN107617489B CN201710898157.4A CN201710898157A CN107617489B CN 107617489 B CN107617489 B CN 107617489B CN 201710898157 A CN201710898157 A CN 201710898157A CN 107617489 B CN107617489 B CN 107617489B
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- hole
- connecting rod
- flat key
- locking device
- 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
- 210000004907 gland Anatomy 0.000 claims abstract description 30
- 230000000149 penetrating effect Effects 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The invention relates to the technical field of crushing equipment, in particular to a mechanical locking device of a rotating shaft of a crusher. The device comprises a bearing gland, a lock pin, a bearing seat and a dead blind cover; the bearing gland is arranged on a rotating shaft, the rotating shaft is arranged in the bearing seat, and the bearing gland is provided with a flat key pin hole; the lock pin comprises a flat key pin, a connecting rod and a limiting block, and the connecting rod is connected with the flat key pin and the limiting block; the flat key pin is arranged in the flat key pin hole; the dead blind cover is arranged on the bearing seat, a penetrating hole is formed in the dead blind cover, and the connecting rod penetrates through the penetrating hole; the dead blind cover of lock is equipped with stop gear, stop gear is equipped with spacing hole, the stopper is located in the spacing hole. The invention aims to provide a mechanical locking device for a rotating shaft of a crusher, which aims to solve the problem that the rotating shaft of the existing crusher cannot be locked.
Description
Technical Field
The invention relates to the technical field of crushing equipment, in particular to a mechanical locking device of a rotating shaft of a crusher.
Background
In many industries, waste materials are crushed by using a crusher and recycled, in the daily application process, the crusher is often transported and overhauled, the existing crusher is not provided with a mechanical locking device, so that a main shaft can rotate in the transportation process, or when equipment is overhauled, misoperation can cause the main shaft to rotate.
The crushing knife in the crusher is sharp and high in strength, and the rotation of the main shaft during transportation or maintenance can damage the internal structure of the crusher or cause personnel injury. Therefore, development of a mechanical locking device is urgently needed, and the main shaft of the crusher can be selectively locked according to working conditions, so that the main shaft cannot rotate.
Disclosure of Invention
The invention aims to provide a mechanical locking device for a rotating shaft of a crusher, which aims to solve the problem that the rotating shaft of the existing crusher cannot be locked.
The invention aims at realizing the following technical scheme:
the utility model provides a breaker pivot mechanical locking device which characterized in that: the device comprises a bearing gland, a lock pin, a bearing seat and a dead lock blind cover; the bearing gland is arranged on a rotating shaft, the rotating shaft is arranged in the bearing seat, and the bearing gland is provided with a flat key pin hole; the lock pin comprises a flat key pin, a connecting rod and a limiting block, and the connecting rod is connected with the flat key pin and the limiting block; the flat key pin is arranged in the flat key pin hole; the dead blind cover is arranged on the bearing seat, a penetrating hole is formed in the dead blind cover, and the connecting rod penetrates through the penetrating hole; the dead blind cover of lock is equipped with stop gear, stop gear is equipped with spacing hole, the stopper is located in the spacing hole.
Further, a fixing thread is arranged on the connecting rod, and an internal thread matched with the fixing thread is arranged on the penetrating hole.
Further, an external spline is arranged on the limiting block, and an internal spline matched with the external spline is arranged on the inner wall of the limiting hole.
Furthermore, one end of the connecting rod is provided with a square plug connector, and the limiting block is provided with a square plug groove corresponding to the square plug connector; the connecting rod is inserted with the limiting block.
Further, the flat key pin is welded with the connecting rod.
Further, the limiting mechanism comprises a first limiting piece and a second limiting piece, the first limiting piece is installed on the dead blind cover of the lock, and the second limiting piece is in threaded connection with the first limiting piece.
Further, a first mounting hole is formed in the bearing gland, and the bearing gland is in threaded connection with the rotating shaft through the first mounting hole.
Further, a second mounting hole is formed in the dead blind cover, and the dead blind cover is in threaded connection with the bearing seat through the second mounting hole.
Further, the connecting rod is made of chrome-nickel steel material.
Compared with the prior art, the invention has the following advantages:
1. the invention relates to a mechanical locking device of a rotating shaft of a crusher, which comprises a bearing gland, a lock pin, a bearing seat and a locking blind cover; the bearing gland is arranged on a rotating shaft, the rotating shaft is arranged in the bearing seat, and the bearing gland is provided with a flat key pin hole; the lock pin comprises a flat key pin, a connecting rod and a limiting block, and the connecting rod is connected with the flat key pin and the limiting block; the flat key pin is arranged in the flat key pin hole; the dead blind cover is arranged on the bearing seat, a penetrating hole is formed in the dead blind cover, and the connecting rod penetrates through the penetrating hole; the dead blind cover is provided with a limiting mechanism, the limiting mechanism is provided with a limiting hole, and the limiting block is positioned in the limiting hole; in the transportation or maintenance process of the crusher, the limiting block is arranged in the limiting hole, the flat key pin is arranged in the flat key pin hole, the limiting block is prevented from rotating, the bearing gland is further prevented from rotating, the bearing gland is fixedly arranged on the rotating shaft, and the purpose of locking the rotating shaft of the crusher can be achieved; when the crusher needs to work, the limiting block is pulled out of the limiting hole, meanwhile, the flat key pin is separated from the flat key pin hole, and the rotating shaft is unlocked.
2. The connecting rod is provided with a fixed thread, and the threading hole is provided with an internal thread matched with the fixed thread; when the rotating shaft is in an unlocking state, the fixed threads can be connected with the internal threads, so that the connecting rod and the lock pin are prevented from moving axially, and the lock pin is prevented from contacting the rotating bearing gland to cause friction between the bearing gland and the lock pin.
3. The connecting rod is made of chromium-nickel steel materials; the chromium-nickel steel material has high mechanical strength and high hardness and toughness, and can ensure that the connecting rod does not deform when bearing larger torsion.
Drawings
FIG. 1 is a structural view (sectional view) of a mechanical locking device of a rotating shaft of a crusher according to the present invention;
FIG. 2 is a block diagram (cross-sectional view) of a bearing gland according to the present invention;
FIG. 3 is a block diagram (cross-sectional view) of a latch according to the present invention;
FIG. 4 is a block diagram (front view) of the present invention;
FIG. 5 is a block diagram (cross-sectional view) of the dead-lock blind cap according to the present invention;
FIG. 6 is a block diagram (cross-sectional view) of the spacing mechanism of the present invention;
in the figure: the device comprises a 1-rotating shaft, a 2-bearing seat, a 3-bearing gland, a 301-flat key pin hole, a 302-first mounting hole, a 4-dead-locking blind cover, a 401-second mounting hole, a 402-penetrating hole, a 403-internal thread, a 5-lock pin, a 501-flat key pin, a 502-connecting rod, a 503-limiting block, a 504-fixed thread, a 505-square plug connector, a 506-external spline, a 507-square plug groove, a 6-limiting mechanism, a 601-second limiting piece, a 602-first limiting piece, a 603-limiting hole and a 604-internal spline.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1, 2, 3, 5 and 6, a mechanical locking device for a rotating shaft of a crusher comprises a bearing cover 3, a lock pin 5, a bearing seat 2 and a locking blind cover 4; the bearing gland 3 is arranged on the rotating shaft 1, the rotating shaft 1 is arranged in the bearing seat 2, and the bearing gland 3 is provided with a flat key pin hole 301; the lock pin 5 comprises a flat key pin 501, a connecting rod 502 and a limiting block 503, wherein the connecting rod 502 is connected with the flat key pin 501 and the limiting block 503; the flat key pin 501 is disposed in the flat key pin hole 301; the dead-locking blind cover 4 is arranged on the bearing seat 2, the dead-locking blind cover 4 is provided with a penetrating hole 402, and the connecting rod 502 penetrates through the penetrating hole 402; the dead blind cover 4 is provided with a limiting mechanism 6, the limiting mechanism 6 is provided with a limiting hole 603, and the limiting block 503 is positioned in the limiting hole 603; the bearing seat 2 is stationary equipment, the dead-locking blind cover 4 is arranged on the bearing seat 2, the limiting mechanism 6 is arranged on the dead-locking blind cover 4, and the limiting mechanism is stationary equipment which does not rotate; in the transportation or maintenance process of the crusher, the limiting block 503 is arranged in the limiting hole 603, the flat key pin 501 is arranged in the flat key pin hole 301, the limiting block 503 is prevented from rotating, the flat key pin 501, the connecting rod 502 and the limiting block 503 cannot rotate relatively, the flat key pin 501 and the bearing gland 3 cannot rotate relatively, the bearing gland 3 is further prevented from rotating, the bearing gland 3 is fixedly arranged on the rotating shaft 1, and the crusher rotating shaft 1 can be locked; when the crusher needs to work, the limiting block 503 is pulled out of the limiting hole 603, and meanwhile the flat key pin 501 is separated from the flat key pin hole 301, so that the rotating shaft 1 is unlocked.
Referring to fig. 1, 3 and 5, a fixing thread 504 is provided on the connecting rod 502, and the through hole 402 is provided with an internal thread 403 matched with the fixing thread 504; when the rotating shaft 1 is in a unlocking state, the crusher can vibrate in the working process, if the lock pin 5 is not fixed, the lock pin 5 can axially move, when the lock pin 5 contacts the bearing gland 3, friction can be generated, and the stable working of the crusher is influenced.
Referring to fig. 4 and 6, the limiting block 503 is provided with an external spline 506, and the inner wall of the limiting hole 603 is provided with an internal spline 604 matched with the external spline 506; the limiting block 503 is in spline connection with the limiting hole 603, the number of teeth of the spline connection is large, and the total contact area is large, so that a large load can be borne, and relative rotation between the limiting block 503 and the limiting hole 603 is prevented.
Referring to fig. 3 and 4, one end of the connecting rod 502 is provided with a square plug 505, and the limiting block 503 is provided with a square plug groove 507 corresponding to the square plug 505; the connecting rod 502 is spliced with the limiting block 503; in the installation process of the mechanical locking device, the connecting rod 502 and the limiting block 503 are required to be separated, the plugging structure is adopted, the installation and the disassembly are convenient, and the connecting rod 502 and the limiting block 503 cannot rotate relatively.
Referring to fig. 3, the flat key pin 501 is welded with the connecting rod 502, the joint of the flat key pin 501 and the connecting rod 502 needs to bear larger shearing force, and the welded connection structure has high rigidity and good integrity.
Referring to fig. 1 and 6, the limiting mechanism 6 comprises a first limiting piece 602 and a second limiting piece 601, wherein the first limiting piece 602 is installed on the dead-lock blind cover 4, and the second limiting piece 601 is in threaded connection with the first limiting piece 602; the limiting mechanism 6 is in a detachable structure, and can remove the second limiting piece 601 in the process of pulling out the lock pin 5 when the rotating shaft 1 is unlocked, so that the lock pin 5 can be pulled out conveniently.
Referring to fig. 1, 2 and 4, a first mounting hole 302 is formed in the bearing cover 3, and the bearing cover 3 is in threaded connection with the rotating shaft 1 through the first mounting hole 302; the dead-locking blind cover 4 is provided with a second mounting hole 401, and the dead-locking blind cover 4 is in threaded connection with the bearing seat 2 through the second mounting hole 401; the installation and the disassembly are convenient, and the stability after the installation is good.
Referring to fig. 3, the connecting rod 502 is made of a chrome nickel steel material; the chromium-nickel steel material has high mechanical strength and high hardness and toughness, so that the connecting rod 502 cannot deform when bearing large torsion.
The specific working process comprises the following steps:
referring to fig. 1, 2, 3, 4, 5 and 6, when the crusher is transported or overhauled, the rotating shaft 1 needs to be locked, at this time, the second limiting piece 601 is detached, the limiting piece 503 is manually operated, the flat key pin 501 on the lock pin 5 is arranged in the flat key pin hole 301 on the bearing gland 3, the second limiting piece 601 is installed, the limiting piece 503 is fixed, and the locking setting of the rotating shaft 1 is realized; when the locking state of the rotating shaft 1 needs to be released, the second limiting piece 601 is detached, the limiting piece 503 is pulled out through manual operation, the flat key pin 501 on the lock pin 5 is separated from the flat key pin hole 301 on the bearing gland 3, the fixed screw thread 504 on the connecting rod 502 is in threaded connection with the internal screw thread 403 on the locking blind cover 4, the lock pin 5 is fixed, and then the second limiting piece 601 is installed, so that the locking state of the rotating shaft 1 is released.
The rotating shaft is provided with a plurality of mounting grooves, and four tool holders are uniformly arranged on each mounting groove along the circumferential direction; the tool holders on the adjacent mounting grooves are in spiral line arrangement; a wear-resistant plate is arranged in the mounting groove; the wear-resisting plate is arranged between the adjacent tool holders; the cutter is arranged on the cutter holder, the cutter is arranged in a square structure, the cutter is provided with the same four blades, one blade participates in the work in the use process, and when one blade is sharpened and dulled, the cutter body can be rotated, and the rest blades can be sequentially used after rotating for 90 degrees because the cutter body is arranged in a square structure, one cutter is equivalent to four cutters, and the rotating cutter is more convenient and quicker than the replacing cutter, so that the production efficiency of the crusher is improved, and the production cost is reduced.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (9)
1. The utility model provides a breaker pivot mechanical locking device which characterized in that: the device comprises a bearing gland, a lock pin, a bearing seat and a dead lock blind cover; the bearing gland is arranged on a rotating shaft, the rotating shaft is arranged in the bearing seat, and the bearing gland is provided with a flat key pin hole; the lock pin comprises a flat key pin, a connecting rod and a limiting block, and the connecting rod is connected with the flat key pin and the limiting block; the flat key pin is arranged in the flat key pin hole; the dead blind cover is arranged on the bearing seat, a penetrating hole is formed in the dead blind cover, and the connecting rod penetrates through the penetrating hole; the dead blind cover of lock is equipped with stop gear, stop gear is equipped with spacing hole, the stopper is located in the spacing hole.
2. The crusher rotating shaft mechanical locking device of claim 1, wherein: the connecting rod is provided with a fixed thread, and the threading hole is provided with an internal thread matched with the fixed thread.
3. The crusher rotating shaft mechanical locking device of claim 1, wherein: the limiting block is provided with an external spline, and the inner wall of the limiting hole is provided with an internal spline matched with the external spline.
4. The crusher rotating shaft mechanical locking device of claim 1, wherein: one end of the connecting rod is provided with a square plug connector, and the limiting block is provided with a square plug groove corresponding to the square plug connector; the connecting rod is inserted with the limiting block.
5. The crusher rotating shaft mechanical locking device of claim 1, wherein: the flat key pin is connected with the connecting rod in a welding way.
6. The crusher rotating shaft mechanical locking device of claim 1, wherein: the limiting mechanism comprises a first limiting part and a second limiting part, the first limiting part is arranged on the dead blind cover, and the second limiting part is in threaded connection with the first limiting part.
7. The crusher rotating shaft mechanical locking device of claim 1, wherein: the bearing gland is provided with a first mounting hole, and the bearing gland is in threaded connection with the rotating shaft through the first mounting hole.
8. The crusher rotating shaft mechanical locking device of claim 1, wherein: the dead blind cover is provided with a second mounting hole, and the dead blind cover is in threaded connection with the bearing seat through the second mounting hole.
9. The crusher rotating shaft mechanical locking device of claim 1, wherein: the connecting rod is made of chrome-nickel steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710898157.4A CN107617489B (en) | 2017-09-28 | 2017-09-28 | Crusher rotating shaft mechanical locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710898157.4A CN107617489B (en) | 2017-09-28 | 2017-09-28 | Crusher rotating shaft mechanical locking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107617489A CN107617489A (en) | 2018-01-23 |
| CN107617489B true CN107617489B (en) | 2023-12-15 |
Family
ID=61091131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710898157.4A Active CN107617489B (en) | 2017-09-28 | 2017-09-28 | Crusher rotating shaft mechanical locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107617489B (en) |
Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB293642A (en) * | 1927-12-23 | 1928-07-12 | Edgar Buck Symons | Improvements in crushing apparatus |
| CH323078A (en) * | 1954-06-01 | 1957-07-15 | Diggelmann Alfred | Grinding device attachable to the work spindle of a machine tool |
| GB841458A (en) * | 1958-09-10 | 1960-07-13 | Ironrite Inc | Emergency release mechanism for a rotary ironing machine whereby the rotary roll is moved away from the ironing shoe |
| WO1998036181A1 (en) * | 1997-02-17 | 1998-08-20 | Power Tool Holders Incorporated | Locking mechanism for a rotary working member |
| CN2336129Y (en) * | 1998-07-16 | 1999-09-01 | 马德江 | Rotary shaft |
| US6663124B1 (en) * | 2002-06-04 | 2003-12-16 | Dana Corporation | Co-axial kingpin lock mechanism |
| CN2785802Y (en) * | 2005-01-31 | 2006-06-07 | 宝山钢铁股份有限公司 | Device for assembling and fastening bearing pedestal quickly |
| CN201916292U (en) * | 2011-01-13 | 2011-08-03 | 中冶赛迪工程技术股份有限公司 | Rotating shaft locking device |
| CN202001437U (en) * | 2010-12-30 | 2011-10-05 | 合肥东方节能科技股份有限公司 | Anti-rotation locking mechanism |
| CN202371039U (en) * | 2011-12-20 | 2012-08-08 | 重庆赛力盟电机有限责任公司 | Motor bearing locking structure |
| CN103104421A (en) * | 2011-11-10 | 2013-05-15 | 华锐风电科技(集团)股份有限公司 | Impeller locking device and wind generating set |
| CN203030326U (en) * | 2012-12-19 | 2013-07-03 | 长沙开元仪器股份有限公司 | Locking device of adjusting shaft |
| CN103343787A (en) * | 2013-07-09 | 2013-10-09 | 中国工程物理研究院总体工程研究所 | Rotating shaft locking device |
| CN203239739U (en) * | 2013-05-02 | 2013-10-16 | 重庆海德世拉索系统（集团）有限公司 | Gear-shifting guide pipe cap for preventing from circumferentially rotating |
| CN203717748U (en) * | 2013-12-27 | 2014-07-16 | 内蒙古久和能源科技有限公司 | Locking device for wind generating set spindle |
| KR20150110446A (en) * | 2015-09-11 | 2015-10-02 | 강수민 | Installation structure of a rotation shaft bearing for powdering machine |
| CN205058197U (en) * | 2015-10-10 | 2016-03-02 | 威海泰富西玛电机有限公司 | Motor spindle nose locking device's structure |
| CN205462583U (en) * | 2016-03-29 | 2016-08-17 | 深圳市龙吉顺实业发展有限公司 | Major possession rubbish breaker |
| CN205927274U (en) * | 2016-08-22 | 2017-02-08 | 上海恒力锻压机床有限公司 | Planing knife frame with go up and down and rotation function |
| CN207929350U (en) * | 2017-09-28 | 2018-10-02 | 碎得机械(北京)有限公司 | A kind of crusher rotor axis mechanical locking device |
-
2017
- 2017-09-28 CN CN201710898157.4A patent/CN107617489B/en active Active
Patent Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB293642A (en) * | 1927-12-23 | 1928-07-12 | Edgar Buck Symons | Improvements in crushing apparatus |
| CH323078A (en) * | 1954-06-01 | 1957-07-15 | Diggelmann Alfred | Grinding device attachable to the work spindle of a machine tool |
| GB841458A (en) * | 1958-09-10 | 1960-07-13 | Ironrite Inc | Emergency release mechanism for a rotary ironing machine whereby the rotary roll is moved away from the ironing shoe |
| WO1998036181A1 (en) * | 1997-02-17 | 1998-08-20 | Power Tool Holders Incorporated | Locking mechanism for a rotary working member |
| CN2336129Y (en) * | 1998-07-16 | 1999-09-01 | 马德江 | Rotary shaft |
| US6663124B1 (en) * | 2002-06-04 | 2003-12-16 | Dana Corporation | Co-axial kingpin lock mechanism |
| CN2785802Y (en) * | 2005-01-31 | 2006-06-07 | 宝山钢铁股份有限公司 | Device for assembling and fastening bearing pedestal quickly |
| CN202001437U (en) * | 2010-12-30 | 2011-10-05 | 合肥东方节能科技股份有限公司 | Anti-rotation locking mechanism |
| CN201916292U (en) * | 2011-01-13 | 2011-08-03 | 中冶赛迪工程技术股份有限公司 | Rotating shaft locking device |
| CN103104421A (en) * | 2011-11-10 | 2013-05-15 | 华锐风电科技(集团)股份有限公司 | Impeller locking device and wind generating set |
| CN202371039U (en) * | 2011-12-20 | 2012-08-08 | 重庆赛力盟电机有限责任公司 | Motor bearing locking structure |
| CN203030326U (en) * | 2012-12-19 | 2013-07-03 | 长沙开元仪器股份有限公司 | Locking device of adjusting shaft |
| CN203239739U (en) * | 2013-05-02 | 2013-10-16 | 重庆海德世拉索系统（集团）有限公司 | Gear-shifting guide pipe cap for preventing from circumferentially rotating |
| CN103343787A (en) * | 2013-07-09 | 2013-10-09 | 中国工程物理研究院总体工程研究所 | Rotating shaft locking device |
| CN203717748U (en) * | 2013-12-27 | 2014-07-16 | 内蒙古久和能源科技有限公司 | Locking device for wind generating set spindle |
| KR20150110446A (en) * | 2015-09-11 | 2015-10-02 | 강수민 | Installation structure of a rotation shaft bearing for powdering machine |
| CN205058197U (en) * | 2015-10-10 | 2016-03-02 | 威海泰富西玛电机有限公司 | Motor spindle nose locking device's structure |
| CN205462583U (en) * | 2016-03-29 | 2016-08-17 | 深圳市龙吉顺实业发展有限公司 | Major possession rubbish breaker |
| CN205927274U (en) * | 2016-08-22 | 2017-02-08 | 上海恒力锻压机床有限公司 | Planing knife frame with go up and down and rotation function |
| CN207929350U (en) * | 2017-09-28 | 2018-10-02 | 碎得机械(北京)有限公司 | A kind of crusher rotor axis mechanical locking device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107617489A (en) | 2018-01-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104879134B (en) | Round cutter box capable of having disc cutter replaced bidirectionally | |
| CN105142834B (en) | Governor motion for adjusting the jaw of cutter | |
| WO2016141898A1 (en) | Method for through hole tooth base to rapidly assemble and disassemble reciprocating impact tooth, and impacting device wherein through hole tooth base rapidly assembles and disassembles reciprocating impact tooth | |
| CN107617489B (en) | Crusher rotating shaft mechanical locking device | |
| CN207929350U (en) | A kind of crusher rotor axis mechanical locking device | |
| CN211249828U (en) | Anti-rotation tool for fastener | |
| US3762655A (en) | Shearing mechanism | |
| CN214661422U (en) | Hexagonal perforated bolt with anti-loosening function | |
| CN107597351B (en) | Crusher | |
| US2994918A (en) | Die assembly for pellet mills | |
| CN217991158U (en) | Chamfering tool for ports of fasteners and other circular components | |
| CN207569034U (en) | Pin shaft device | |
| CN209579404U (en) | A kind of bushing quick-release arrangement | |
| CN214943377U (en) | Ratchet type cover plate locking device | |
| CN201565903U (en) | Reverse osmosis membrane element demolition tool | |
| CN212249991U (en) | Recoverable fishbone production increasing tool | |
| CN206587761U (en) | One kind prepares modified pitch production tank | |
| CN108044192B (en) | Grooving machine for padlock lock beams | |
| CN205194568U (en) | Feed switch blocking device is used in pit in colliery | |
| CN202880653U (en) | Double-box sling spin lock mechanism for container | |
| CN207447464U (en) | A kind of hydraulic shear cuts toothing and hydraulic shear | |
| CN213726837U (en) | Observation door for impact crusher | |
| CN210613416U (en) | Stirring knife for kneading pot | |
| CN220258255U (en) | Crushing cutter head device of shearing machine | |
| CN219666461U (en) | Flange opener |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |