CN107617489A - A kind of disintegrating machine rotor axis mechanical locking device - Google Patents
A kind of disintegrating machine rotor axis mechanical locking device Download PDFInfo
- Publication number
- CN107617489A CN107617489A CN201710898157.4A CN201710898157A CN107617489A CN 107617489 A CN107617489 A CN 107617489A CN 201710898157 A CN201710898157 A CN 201710898157A CN 107617489 A CN107617489 A CN 107617489A
- Authority
- CN
- China
- Prior art keywords
- disintegrating machine
- locking device
- connecting rod
- flat key
- rotor axis
- 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.)
- Granted
Links
- 210000004907 gland Anatomy 0.000 claims abstract description 34
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 229910052759 nickel Inorganic materials 0.000 claims description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006378 damage Effects 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
- 230000008439 repair process 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
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Crushing And Pulverization Processes (AREA)
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
Abstract
The present invention relates to disintegrating apparatus technical field, more particularly to a kind of disintegrating machine rotor axis mechanical locking device.It includes bearing gland, lock pin, bearing block and locked blind cover；The bearing gland is arranged in rotating shaft, and the rotating shaft is arranged in the bearing block, and the bearing gland is provided with flat key pin-and-hole；The lock pin includes flat key pin, connecting rod and limited block, and the connecting rod connects the flat key pin and the limited block；The flat key pin is arranged in the flat key pin-and-hole；The locked blind cover is arranged on the bearing block, and the locked blind cover is provided with mounting hole, and the connecting rod installs the mounting hole；The locked blind cover is provided with position-limit mechanism, and the position-limit mechanism is provided with spacing hole, and the limited block is located in the spacing hole.It is an object of the invention to provide a kind of disintegrating machine rotor axis mechanical locking device, to solve the problems, such as that the rotating shaft of existing disintegrating machine can not be locked.
Description
Technical field
The present invention relates to disintegrating apparatus technical field, more particularly to a kind of disintegrating machine rotor axis mechanical locking device.
Background technology
Waste materials can be crushed and recycled using disintegrating machine in many industries, during daily use,
The transport and maintenance of disintegrating machine are often referred to, existing disintegrating machine is not provided with mechanical locking device, caused in transportation
Main shaft can rotate, or when repair apparatus, maloperation may cause main shaft to rotate.
Crushing cutter is sharp in disintegrating machine, intensity is high, in transport or during maintenance main shaft rotation may destroy in disintegrating machine
Portion's structure causes injury to personnel.So being badly in need of developing a kind of mechanical locking device, locked disintegrating machine can be selected according to operating mode
Main shaft so that main shaft can not rotate.
The content of the invention
It is an object of the invention to provide a kind of disintegrating machine rotor axis mechanical locking device, to solve the rotating shaft of existing disintegrating machine
Can not be locked the problem of.
The purpose of the present invention is realized by following technical proposals：
A kind of disintegrating machine rotor axis mechanical locking device, it is characterised in that：Including bearing gland, lock pin, bearing block and locked
Blind cover；The bearing gland is arranged in rotating shaft, and the rotating shaft is arranged in the bearing block, and the bearing gland is provided with flat
Key pin hole；The lock pin includes flat key pin, connecting rod and limited block, and the connecting rod connects the flat key pin and the limited block；Institute
Flat key pin is stated to be arranged in the flat key pin-and-hole；The locked blind cover is arranged on the bearing block, is set in the locked blind cover
There is mounting hole, the connecting rod installs the mounting hole；The locked blind cover is provided with position-limit mechanism, and the position-limit mechanism is provided with limit
Position hole, the limited block are located in the spacing hole.
Further, the connecting rod is provided with fixed thread, the mounting hole is provided with coordinate with the fixed thread in
Screw thread.
Further, the limited block is provided with external splines, and the spacing hole inwall is provided with to be coordinated with the external splines
Internal spline.
Further, described connecting rod one end is provided with square connection-peg, and the limited block is provided with and the square connection-peg
Corresponding square inserting groove；The connecting rod and the limited block grafting.
Further, the flat key pin is welded to connect with the connecting rod.
Further, the position-limit mechanism includes the first locating part and the second locating part, and first locating part is arranged on
In the locked blind cover, second locating part is spirally connected with first locating part.
Further, the bearing gland is provided with the first mounting hole, and the bearing gland passes through first mounting hole
It is spirally connected with the rotating shaft.
Further, the locked blind cover is provided with the second mounting hole, and the locked blind cover passes through second mounting hole
It is spirally connected with the bearing block.
Further, the connecting rod is made up of chrome-nickel steel material.
The present invention has the following advantages that compared with prior art：
1. disintegrating machine rotor axis mechanical locking device of the present invention, it includes bearing gland, lock pin, bearing block and locked blind
Lid；The bearing gland is arranged in rotating shaft, and the rotating shaft is arranged in the bearing block, and the bearing gland is provided with flat key
Pin-and-hole；The lock pin includes flat key pin, connecting rod and limited block, and the connecting rod connects the flat key pin and the limited block；It is described
Flat key pin is arranged in the flat key pin-and-hole；The locked blind cover is arranged on the bearing block, and the locked blind cover is provided with
Mounting hole, the connecting rod install the mounting hole；The locked blind cover is provided with position-limit mechanism, and the position-limit mechanism is provided with spacing
Hole, the limited block are located in the spacing hole；Limited block is placed in spacing by the present invention in disintegrating machine transport or maintenance process
Kong Zhong, flat key pin is placed in flat key pin-and-hole, prevents limited block from rotating, and then prevent bearing gland from rotating, bearing gland is fixed
In rotating shaft, locked disintegrating machine rotating shaft can be achieved；When disintegrating machine needs work, limited block is extracted from spacing hole,
Flat key pin departs from flat key pin-and-hole simultaneously, and rotating shaft releases locking state.
2. connecting rod of the present invention is provided with fixed thread, the mounting hole is provided with the interior spiral shell coordinated with the fixed thread
Line；When rotating shaft is in releasing locking state, fixed thread can be connected with internal thread, prevents connecting rod and lock pin from moving axially,
The bearing gland in plunger contacts rotation is prevented, causes the friction of bearing gland and lock pin.
3. connecting rod of the present invention is made up of chrome-nickel steel material；Chrome-nickel steel mechanical strength is high, and hardness and toughness are big, can
To cause connecting rod not deformed when bearing larger torsion.
Brief description of the drawings
Fig. 1 is disintegrating machine rotor axis mechanical locking device structure chart (sectional view) of the present invention；
Fig. 2 is bearing gland structure figure (sectional view) of the present invention；
Fig. 3 is detent configuration figure (sectional view) of the present invention；
Fig. 4 is standoff features figure (front view) of the present invention；
Fig. 5 is locked blind cover structure chart (sectional view) of the present invention；
Fig. 6 is position-limit mechanism structure chart (sectional view) of the present invention；
In figure：1- rotating shafts, 2- bearing blocks, 3- bearing glands, 301- flat keys pin-and-hole, the mounting holes of 302- first, 4- are locked blind
Lid, the mounting holes of 401- second, 402- mounting holes, 403- internal threads, 5- lock pins, 501- flat keys pin, 502- connecting rods, 503- are spacing
Block, 504- fixed threads, the square connection-pegs of 505-, 506- external splines, the square inserting grooves of 507-, 6- position-limit mechanisms, 601- second
Locating part, the locating parts of 602- first, 603- spacing holes, 604- internal splines.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify description, rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that instruction or hint relative importance.
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 5, Fig. 6, a kind of disintegrating machine rotor axis mechanical locking device, it includes bearing gland 3, lock
Pin 5, bearing block 2 and locked blind cover 4；Bearing gland 3 is arranged in rotating shaft 1, and rotating shaft 1 is arranged in bearing block 2, bearing gland 3
It is provided with flat key pin-and-hole 301；Lock pin 5 includes flat key pin 501, connecting rod 502 and limited block 503, and connecting rod 502 connects flat key pin 501
With limited block 503；Flat key pin 501 is arranged in flat key pin-and-hole 301；Locked blind cover 4 is arranged on bearing block 2, in locked blind cover 4
Provided with mounting hole 402, connecting rod 502 installs mounting hole 402；Locked blind cover 4 is provided with position-limit mechanism 6, and position-limit mechanism 6 is provided with spacing
Hole 603, limited block 503 are located in spacing hole 603；Bearing block 2 of the present invention is static equipment, will not be rotated, locked blind cover 4
On bearing block 2, position-limit mechanism 6 is arranged in locked blind cover 4, then position-limit mechanism is static setting of will not rotating
Standby, the present invention realizes the locked principle of rotating shaft 1 to prevent from relatively rotating between rotating shaft 1 and position-limit mechanism 6；Transported in disintegrating machine
In defeated or maintenance process, limited block 503 is placed in spacing hole 603, flat key pin 501 is placed in flat key pin-and-hole 301, prevents from limiting
Position block 503 rotates, and can not be relatively rotated between flat key pin 501, connecting rod 502 and limited block 503, flat key pin 501 and bearing
Gland 3 can not be relatively rotated, and then prevent bearing gland 3 from rotating, and bearing gland 3 is fixedly mounted in rotating shaft 1, can be achieved
Locked disintegrating machine rotating shaft 1；When disintegrating machine needs work, limited block 503 is extracted from spacing hole 603, while flat key pin 501
Depart from flat key pin-and-hole 301, rotating shaft 1 releases locking state.
Referring to Fig. 1, Fig. 3, Fig. 5, connecting rod 502 is provided with fixed thread 504, and mounting hole 402 is provided with matches somebody with somebody with fixed thread 504
The internal thread 403 of conjunction；When rotating shaft 1 is in releasing locking state, disintegrating machine can vibrate in the course of the work, if not to lock
Pin 5 is fixed, and lock pin 5 may produce axial movement, when the contact bearing gland 3 of lock pin 5, can produce friction, influence to crush
Fixed thread 504 can be connected by machine steady operation, the present invention with internal thread 403, prevent connecting rod 502 and lock pin 5 from moving axially,
Prevent the bearing gland 3 in the contact rotation of lock pin 5.
Referring to Fig. 4, Fig. 6, limited block 503 is provided with external splines 506, and the inwall of spacing hole 603 is provided with matches somebody with somebody with external splines 506
The internal spline 604 of conjunction；Limited block 503 and spacing hole 603 be connecteds using spline, and it is more that spline connects the number of teeth, total contact area compared with
Greatly, thus larger load can be born, prevents from producing relative rotation between limited block 503 and spacing hole 603.
Referring to Fig. 3, Fig. 4, the one end of connecting rod 502 is provided with square connection-peg 505, and limited block 503 is provided with and square connection-peg
Square inserting groove 507 corresponding to 505；Connecting rod 502 and the grafting of limited block 503；Mechanical locking device is in installation process, it is necessary to will
Connecting rod 502 separates with limited block 503, the grafting adopted the structure, easy installation and removal, and connecting rod 502 and limited block 503 it
Between will not relatively rotate.
Referring to Fig. 3, flat key pin 501 is welded to connect with connecting rod 502, flat key pin 501 and the junction of connecting rod 502 need to carry compared with
Big shearing force, welding connection structure rigidity is big, good integrity.
Referring to Fig. 1, Fig. 6, position-limit mechanism 6 includes the first locating part 602 and the second locating part 601, and the first locating part 602 is pacified
In locked blind cover 4, the second locating part 601 is spirally connected with the first locating part 602；Position-limit mechanism 6 is arranged to separable structure,
Rotating shaft 1 releases locked, during lock pin 5 is extracted, can remove the second locating part 601, be easy to extract lock pin 5.
Referring to Fig. 1, Fig. 2, Fig. 4, bearing gland 3 is provided with the first mounting hole 302, and bearing gland 3 passes through the first mounting hole
302 are spirally connected with rotating shaft 1；Locked blind cover 4 is provided with the second mounting hole 401, and locked blind cover 4 passes through the second mounting hole 401 and bearing
Seat 2 is spirally connected；Easy installation and removal, and it is good to install rear stability.
Referring to Fig. 3, connecting rod 502 is made up of chrome-nickel steel material；Chrome-nickel steel mechanical strength is high, and hardness and toughness are big, can
To cause connecting rod 502 not deformed when bearing larger torsion.
Specific work process：
It is when disintegrating machine is in transport or maintenance, it is necessary to rotating shaft 1 is locked referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, this
When, the second locating part 601 is unloaded, manually operated limited block 503, the flat key pin 501 on lock pin 5 is arranged on bearing gland 3
Flat key pin-and-hole 301 in, install the second locating part 601, limited block 503 is fixed, realizes the locked setting of rotating shaft 1；Work as needs
When releasing the locking state of rotating shaft 1, the second locating part 601 is unloaded, it is manually operated to extract limited block 503 so that on lock pin 5
Flat key pin 501 departs from the flat key pin-and-hole 301 on bearing gland 3, and by the fixed thread 504 on connecting rod 502 and locked blind cover 4
Internal thread 403 be spirally connected, fixed lock pin 5, then the second locating part 601 is installed, releases the locking state of rotating shaft 1.
Rotating shaft of the present invention is provided with multiple mounting grooves, and four tool rests are along the circumferential direction uniformly provided with each mounting groove；Phase
Tool rest on adjacent mounting groove helically arrange by line；Wearing plate is provided with mounting groove；Wearing plate is arranged between adjacent tool rest；This
Cutter, cutter squarely structure setting are installed, the cutter used is provided with four blades of identical, is using process on invention tool rest
In, a blade participates in work, when a blade blunt, can rotate cutter hub, the structure setting because cutter hub is square, rotation
Remaining blade can be used after 90 degree successively, one is more convenient and swift than replacing cutter equivalent to four cutters of cutter, rotary cutter,
So as to improve the production efficiency of disintegrating machine, production cost is reduced.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, either which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (9)
- A kind of 1. disintegrating machine rotor axis mechanical locking device, it is characterised in that：Including bearing gland, lock pin, bearing block and locked blind Lid；The bearing gland is arranged in rotating shaft, and the rotating shaft is arranged in the bearing block, and the bearing gland is provided with flat key Pin-and-hole；The lock pin includes flat key pin, connecting rod and limited block, and the connecting rod connects the flat key pin and the limited block；It is described Flat key pin is arranged in the flat key pin-and-hole；The locked blind cover is arranged on the bearing block, and the locked blind cover is provided with Mounting hole, the connecting rod install the mounting hole；The locked blind cover is provided with position-limit mechanism, and the position-limit mechanism is provided with spacing Hole, the limited block are located in the spacing hole.
- 2. disintegrating machine rotor axis mechanical locking device according to claim 1, it is characterised in that：The connecting rod, which is provided with, to be fixed Screw thread, the mounting hole are provided with the internal thread coordinated with the fixed thread.
- 3. disintegrating machine rotor axis mechanical locking device according to claim 1, it is characterised in that：The limited block is provided with outer Spline, the spacing hole inwall are provided with the internal spline coordinated with the external splines.
- 4. disintegrating machine rotor axis mechanical locking device according to claim 1, it is characterised in that：Described connecting rod one end is provided with side Shape connection-peg, the limited block are provided with square inserting groove corresponding with the square connection-peg；The connecting rod with it is described spacing Block grafting.
- 5. disintegrating machine rotor axis mechanical locking device according to claim 1, it is characterised in that：The flat key pin and the company Bar is welded to connect.
- 6. disintegrating machine rotor axis mechanical locking device according to claim 1, it is characterised in that：The position-limit mechanism includes the One locating part and the second locating part, first locating part be arranged on the locked blind cover on, second locating part with it is described First locating part is spirally connected.
- 7. disintegrating machine rotor axis mechanical locking device according to claim 1, it is characterised in that：The bearing gland is provided with First mounting hole, the bearing gland are spirally connected by first mounting hole with the rotating shaft.
- 8. disintegrating machine rotating shaft locking device according to claim 1, it is characterised in that：The locked blind cover is provided with second Mounting hole, the locked blind cover are spirally connected by second mounting hole with the bearing block.
- 9. disintegrating machine rotor axis mechanical locking device according to claim 1, it is characterised in that：The connecting rod is by chrome-nickel steel material Material is made.
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 true CN107617489A (en) | 2018-01-23 |
| CN107617489B 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)
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|---|---|---|---|---|
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| CH323078A (en) * | 1954-06-01 | 1957-07-15 | Diggelmann Alfred | Grinding device attachable to the work spindle of a machine tool |
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| 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 |
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| 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
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| 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 |
|---|---|
| CN107617489B (en) | 2023-12-15 |
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