CN101961797B - Slitter - Google Patents

Slitter Download PDF

Info

Publication number
CN101961797B
CN101961797B CN2010105183049A CN201010518304A CN101961797B CN 101961797 B CN101961797 B CN 101961797B CN 2010105183049 A CN2010105183049 A CN 2010105183049A CN 201010518304 A CN201010518304 A CN 201010518304A CN 101961797 B CN101961797 B CN 101961797B
Authority
CN
China
Prior art keywords
cutter shaft
tie down
down screw
blade
screw cover
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
Application number
CN2010105183049A
Other languages
Chinese (zh)
Other versions
CN101961797A (en
Inventor
朱剑君
朱良军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NINGBO CONCAVE-CONVEX HEAVY INDUSTRY Co Ltd
Original Assignee
NINGBO CONCAVE-CONVEX HEAVY INDUSTRY Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NINGBO CONCAVE-CONVEX HEAVY INDUSTRY Co Ltd filed Critical NINGBO CONCAVE-CONVEX HEAVY INDUSTRY Co Ltd
Priority to CN2010105183049A priority Critical patent/CN101961797B/en
Publication of CN101961797A publication Critical patent/CN101961797A/en
Application granted granted Critical
Publication of CN101961797B publication Critical patent/CN101961797B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Nonmetal Cutting Devices (AREA)

Abstract

The invention discloses a slitter, which comprises a frame (1), a motor and a transmission device, wherein the frame (1) is provided with an upper cutter shaft (2) and a lower cutter shaft (3) which are circumferentially sleeved with blades (4) respectively; the outer walls of the whole sections of the upper and lower cutter shafts (2 and 3) between two upright posts (1.1) of the frame (1) are provided with external threads respectively; and each blade (4) on the upper and lower cutter shafts (2 and 3) is axially limited by axial limiting devices in threaded connection with the cutter shafts. The slitter can simplify a blade assembly process and make the blades randomly move along the axial directions of the cutter shafts on the cutter shafts.

Description

Slitter
Technical field
The present invention relates to a kind of metal cutting apparatus, more precisely a kind of slitter.
Background technology
The slitter of prior art comprises frame, motor, transmission device.Cutter shaft and lower cutter shaft are installed on the described frame, and described upper cutter shaft and lower cutter shaft are arranged in parallel one on the other.Described motor is connected with lower cutter shaft with upper cutter shaft by transmission device.The two ends of the two ends of described upper cutter shaft and lower cutter shaft are equipped with external screw thread, and described upper cutter shaft stage casing and lower cutter shaft stage casing are optical axis.Equal circumferential spacing blade and spacer rings of being sheathed with on described upper cutter shaft and the lower cutter shaft all is combined with nut on the external screw thread at the upper and lower cutter shaft of the external screw thread two ends at described upper cutter shaft two ends.Described spacer ring is between the blade of upper cutter shaft and the blade and between blade and the nut, between the blade of lower cutter shaft and the blade and between blade and the nut.
There is following defective in the slitter of this kind prior art: because desirability, between blade and the upper cutter shaft outer wall, between blade and the lower cutter shaft outer wall, between spacer ring and the upper cutter shaft outer wall, gap between spacer ring and the lower cutter shaft outer wall is all very little, blade and spacer ring be assembled into needs the balanced application of force of blade and spacer ring both sides when cutter shaft gets on, therefore it is larger to assemble difficulty, and upper cutter shaft and lower cutter shaft all only have two ends to be provided with external screw thread, for the blade axial limiting, need to be between blade and blade, spacer ring all is installed between blade and the nut, and assembling effort is also more time-consuming.Because this kind structure, when need to be on cutter shaft axially changing the position along cutter shaft, blade (need to change the distance between blade and the blade when changing such as the cutting width of the sheet material of cutting), can only will re-assembly behind nut, spacer ring and the blade removal, operation is bothered very much, affect operating efficiency.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of and can simplify the set of blades process of assembling and can make blade with the slitter that is intended to move axially along cutter shaft on the cutter shaft position.
Technical solution of the present invention is, a kind of slitter with following structure is provided, and it comprises frame, motor and transmission device; Cutter shaft and lower cutter shaft are installed on the described frame; Equal circumferential spacing blade that is sheathed with on described upper cutter shaft and the lower cutter shaft, the outer wall of the full section of the upper cutter shaft between frame two columns and the full section of lower cutter shaft is equipped with external screw thread, and each blade on each blade on the described upper cutter shaft and the lower cutter shaft all carries out axial limiting by the axially stop block that is screwed onto on the cutter shaft.
After adopting above structure, slitter of the present invention compared with prior art has the following advantages:
Because the outer wall of the full section of the upper cutter shaft of slitter of the present invention between frame two columns and the full section of lower cutter shaft is equipped with external screw thread, each blade on each blade on the described upper cutter shaft and the lower cutter shaft all carries out axial limiting by the axially stop block that is screwed onto on the cutter shaft, compared with prior art, saved spacer ring, and axially stop block is again to be screwed onto on the cutter shaft, therefore, the assembling blade is lighter, save time and laborsaving, and need not with cutter shaft and column dismounting just can fill cutter, blade positions.In addition, when blade need to be on cutter shaft axially changes the position along cutter shaft, because axially stop block is screwed onto on the cutter shaft, blade sleeve is combined on the cutter shaft, therefore, as long as the left rotation and right rotation axially stop block, blade will be followed together move left and right of axially stop block, thereby can need not to change the position of blade on cutter shaft in the situation of again dismantling and assembling, it is quite convenient to operate, and can increase work efficiency.
As a kind of improvement of the present invention, described external screw thread is trapezoidal thread.Because described external screw thread is trapezoidal thread, can prevent that axially stop block from skidding at cutter shaft; Because the pitch of trapezoidal thread is larger, can make the axially stop block assembly and disassembly easily and fast again.
As another kind of improvement the of the present invention, described axially stop block comprises the tie down screw cover that is threaded with upper cutter shaft or lower cutter shaft and is clamped in respectively the blade left and right sides, and each tie down screw puts and is equipped with the locking device of tie down screw cover locking on cutter shaft.The axially stop block of this kind structure clamps blade by the tie down screw cover of the blade left and right sides, and each tie down screw cover is locked on the cutter shaft by a locking device again, thereby can be with the blade axial limiting on cutter shaft, and is simple in structure, easy to operate.
Also have a kind of improvement as of the present invention, described locking device comprises that the self-locking screw sleeve inner face that is located on the tie down screw cover perisporium rises along tie down screw and overlaps axially extended opening, lock sleeve and nut; The taper surface of the periphery wall of described tie down screw cover for being increased gradually by the inboard external diameter in lateral, described lock sleeve be linked on the taper surface of tie down screw cover and with tie down screw cover chucking; Described nut screwing outside tie down screw cover and the outside that is positioned at lock sleeve lock sleeve is carried out axial limiting.The locking device structure of this kind structure is simple, by putting at tie down screw opening and taper surface is set, and the clamping force by lock sleeve is held on cutter shaft the tie down screw cover tightly again, and coupling mechanism force is stronger.
Also have a kind of improvement as of the present invention, described opening has four, is evenly distributed on the perisporium of tie down screw cover.This kind is designed to optimum implementation.
Also has a kind of improvement as of the present invention, the inner of described tie down screw cover is provided with radial convex loop, the inner face of described lock sleeve is provided with a plurality of axial locking devices and unclamps bolt hole, and each locking device unclamps the liftout bolt that is used for ejecting lock sleeve when all being bolted with dismounting in the bolt hole.During the dismounting lock sleeve, unscrew respectively locking device and unclamp the interior liftout bolt of bolt hole, after liftout bolt is screwed to the radial convex loop that to a certain degree top puts to tie down screw, continue to twist liftout bolt, this moment, liftout bolt will push up lock sleeve laterally, but the easy removal lock sleeve.
Also have a kind of improvement as of the present invention, the outer wall of described radial convex loop is provided with a plurality of crotch spanner connecting hole I radially.Because the outer wall at described radial convex loop is provided with a plurality of crotch spanner connecting hole I, during assembling tie down screw cover, can in crotch spanner connecting hole I, insert the crotch spanner, hold the rotation of crotch spanner, tie down screw is enclosed within on the cutter shaft rotates, thereby make the tie down screw cover install more convenient.
Also have a kind of improvement as of the present invention, the outer wall of described nut is provided with a plurality of crotch spanner connecting hole II radially.Because the outer wall at described nut is provided with a plurality of crotch spanner connecting hole II, during the assembling nut, can in crotch spanner connecting hole II, insert the crotch spanner, hold the rotation of crotch spanner, can make nut put rotation at tie down screw, thereby it is more convenient that nut is installed.
Also have a kind of improvement as of the present invention, the nut that screws outside the tie down screw cover has two, and these two nuts are close to mutually.Owing to outside the tie down screw cover, screwed two nuts that mutually are close to, can prevent that nut from getting loose.
Description of drawings
Fig. 1 is the structural representation of slitter of the present invention.
Fig. 2 is the structure for amplifying schematic diagram of A part among Fig. 1.
Fig. 3 is the structural representation of the blade of slitter of the present invention.
Fig. 4 is the structural representation of the tie down screw cover of slitter of the present invention.
Fig. 5 is the sectional structure schematic diagram of B-B direction among Fig. 4.
Fig. 6 is the structural representation of the lock sleeve of slitter of the present invention.
Fig. 7 is the sectional structure schematic diagram of C-C direction among Fig. 6.
Fig. 8 is the structural representation of the nut of slitter of the present invention.
Fig. 9 is the structural representation of the upper cutter shaft of slitter of the present invention.
Figure 10 is the structure for amplifying schematic diagram of D part among Fig. 9.
Shown in the figure: 1, frame, 1.1, column, 2, upper cutter shaft, 3, lower cutter shaft, 4, blade, 4.1, draw-in groove, 5, the tie down screw cover, 5.1, opening, 5.2, taper surface, 5.3, radial convex loop, 5.4, crotch spanner connecting hole I, 6, lock sleeve, 6.1, locking device unclamps bolt hole, 6.2, liftout bolt, 7, nut, 7.1, crotch spanner connecting hole II, 8, trapezoidal thread, 9, flat key groove, 10, flat key
The specific embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments.
See also Fig. 1 to shown in Figure 10, slitter of the present invention comprises frame 1, motor and transmission device.Cutter shaft 2 and lower cutter shaft 3 are installed on the described frame 1, and described upper cutter shaft 2 and lower cutter shaft 3 are arranged in parallel one on the other.Described motor is connected with lower cutter shaft 3 with upper cutter shaft 2 by transmission device.Upper cutter shaft 2 full sections between 1 liang of column 1.1 of frame and the outer wall of lower cutter shaft 3 full sections are equipped with external screw thread, and described external screw thread is trapezoidal thread 8.Equal circumferential spacing blade 4 that is sheathed with on described upper cutter shaft 2 and the lower cutter shaft 3, each blade 4 on the described upper cutter shaft 2 and each blade 4 on the lower cutter shaft 3 all carry out axial limiting by the axially stop block that is screwed onto on the cutter shaft.On described upper cutter shaft 2 and the lower cutter shaft 3 all circumferentially the spacing blade 4 that is sheathed with refer to, be equipped with flat key groove 9 on described upper cutter shaft 2 and the lower cutter shaft 3, the inwall of described blade 4 is provided with draw-in groove 4.1, described upper cutter shaft 2 flat key grooves 9 and be installed between the draw-in groove 4.1 of the blade 4 on the cutter shaft 2 and lower cutter shaft 3 flat key grooves 9 and be installed between the draw-in groove 4.1 of the blade 4 on the lower cutter shaft 3 and be equipped with flat key 10.
Described axially stop block comprises the tie down screw cover 5 that is threaded with upper cutter shaft 2 or lower cutter shaft 3 and is clamped in respectively blade 4 left and right sides, is equipped with tie down screw cover 5 locking devices that are locked on the cutter shaft on each tie down screw cover 5.Described locking device comprises that being located at tie down screw overlaps self-locking screw sleeve 5 inner faces on 5 perisporiums and rise along tie down screw and overlap 5 axially extended openings 5.1, lock sleeve 6 and nut 7.The taper surface 5.2 of the periphery wall of described tie down screw cover 5 for being increased gradually by the inboard external diameter in lateral, described lock sleeve 6 be linked on the taper surface 5.2 of tie down screw cover 5 and with tie down screw cover 5 chuckings.Described nut 7 screws outside tie down screw cover 5 and axial limiting is carried out to lock sleeve 6 in the outside that is positioned at lock sleeve 6.The nut 7 that screws outside tie down screw cover 5 has two, and these two nuts 7 are close to mutually mutually.Described opening 5.1 is provided with four, and these four openings 5.1 are evenly distributed on the perisporium of tie down screw cover 5.
The inner of described tie down screw cover 5 is provided with radial convex loop 5.3, the inner face of described lock sleeve 6 is provided with a plurality of axial locking devices and unclamps bolt hole 6.1, each locking device unclamps the bolt hole 6.1 interior liftout bolts 6.2 that are used for ejecting lock sleeve 6 when dismantling that all are bolted with, in this specific embodiment, described locking device unclamps bolt hole 6.1 6, and these 6 locking devices unclamp on the inner face that bolt hole 6.1 is evenly distributed in lock sleeve 6.The outer wall of described radial convex loop 5.3 is provided with a plurality of crotch spanner connecting hole I 5.4 radially, in this specific embodiment, described crotch spanner connecting hole I 5.4 has 8, and these 8 crotch spanner connecting hole I 5.4 are evenly distributed on the outer wall of radial convex loop 5.3.The outer wall of described nut 7 is provided with a plurality of crotch spanner connecting hole II 7.1 radially, and in this specific embodiment, described crotch spanner connecting hole II 7.1 has 8, and these 8 crotch spanner connecting hole II 7.1 are evenly distributed on the outer wall of nut 7.
During assembling blade 4, elder generation installs lock sleeve 6 and nut 7 at tie down screw cover 5 before tie down screw cover 5 is screwed in cutter shaft, and this moment, lock sleeve 6 just was linked in outside the tie down screw cover 5, did not tighten between the two; The tie down screw cover 5 that then lock sleeve 6 and nut 7 will be installed screws in respectively upper cutter shaft 2 and lower cutter shaft 3, can be by the crotch spanner when rotational lock screw sleeve 5, the crotch spanner can be inserted in the crotch spanner connecting hole I5.4 of radial convex loop 5.3, hold the rotation of crotch spanner and just can make tie down screw overlap 5 to rotate at cutter shaft; Tie down screw on being installed to upper cutter shaft 2 and lower cutter shaft 3 cover 5 is respectively when upper cutter shaft 2 and lower cutter shaft 3 rotate to assigned address, tighten respectively the nut 7 on the tie down screw cover 5, make lock sleeve 6 and tie down screw cover 5 chuckings on the tie down screw cover 5, also can be in the same way by the crotch spanner during rotary nut 7, tie down screw cover 5 just is separately fixed on cutter shaft 2 and the lower cutter shaft 3 like this; And then on upper cutter shaft 2 and lower cutter shaft 3, be inserted in respectively blade 4, the draw-in groove 4.1 that is enclosed within the blade 4 on the cutter shaft is aimed at the flat key groove 9 on the upper cutter shaft 2 and be fit into flat key 10 between draw-in groove 4.1 and flat key groove 9, and the draw-in groove 4.1 that is enclosed within the blade 4 on the lower cutter shaft 3 is aimed at the flat key groove 9 on the lower cutter shaft 3 and be fit into flat key 10 between draw-in groove 4.1 and flat key groove 9; After flat key 10 installations, screw in the tie down screw cover 5 that lock sleeve 6 and nut 7 are installed at upper cutter shaft 2 and lower cutter shaft 3 respectively again, in the same way the tie down screw cover 5 of installing is locked on cutter shaft again, blade 4 was just overlapped 5 clampings by the tie down screw of both sides and and be positioned on the cutter shaft this moment, the fixed form of other blades 4 is identical, does not repeat them here.When blade 4 need to be when cutter shaft changes the position, unscrew first the nut 7 on the tie down screw cover 5 of blade 4 both sides, then the lock sleeve 6 on the tie down screw cover 5 of both sides is all outwards mobile, because lock sleeve 6 blocks tightlyer with tie down screw cover 5, therefore can be by the liftout bolt 6.2 on the lock sleeve 6, the concrete operations mode is: slowly unscrew first each liftout bolt 6.2 on the lock sleeve 6, after liftout bolt 6.2 withstands radial convex loop 5.3 on the tie down screw cover 5, continue again to twist liftout bolt 6.2, at this moment, liftout bolt 6.2 can head on lock sleeve, make it overlap 5 outer side shiftings to tie down screw at leisure, make lock sleeve 6 loosen at leisure clamping force to tie down screw cover 5, the final locking effect of removing tie down screw cover 5; After the coupling mechanism force of 6 pairs of tie down screw covers 5 of lock sleeve is eliminated, tie down screw cover 5 just can be on cutter shaft left rotation and right rotation, at this moment, just can be with cutting blade 4 to move as long as be positioned at the tie down screw cover 5 of blade 4 both sides in the cutter shaft rotation, therefore can need not to change the position of blade 4 on cutter shaft in the situation of again dismantling and assembling, it is quite convenient to operate, and can increase work efficiency.

Claims (10)

1. slitter, it comprises frame (1), motor and transmission device; Cutter shaft (2) and lower cutter shaft (3) are installed on the described frame (1); Equal circumferential spacing blade (4) that is sheathed with on described upper cutter shaft (2) and the lower cutter shaft (3), it is characterized in that: be positioned on the outer wall of complete section of the full section of upper cutter shaft (2) between frame (1) two column (1.1) and lower cutter shaft (3) and be equipped with external screw thread, each blade (4) on the described upper cutter shaft (2) and each blade (4) on the lower cutter shaft (3) all carry out axial limiting by the axially stop block that is screwed onto on the cutter shaft.
2. slitter according to claim 1, it is characterized in that: described external screw thread is trapezoidal thread (8).
3. slitter according to claim 1 and 2, it is characterized in that: described axially stop block comprises the tie down screw cover (5) that is threaded with upper cutter shaft (2) or lower cutter shaft (3) and is clamped in respectively blade (4) left and right sides, is equipped with on each tie down screw cover (5) tie down screw cover (5) is locked at locking device on the cutter shaft.
4. slitter according to claim 3, it is characterized in that: described locking device comprises that self-locking screw sleeve (5) inner face that is located on tie down screw cover (5) perisporium rises along the axially extended opening of tie down screw cover (5) (5.1), lock sleeve (6) and nut (7); The taper surface (5.2) of the periphery wall of described tie down screw cover (5) for being increased gradually by the inboard external diameter in lateral, the taper surface (5.2) that described lock sleeve (6) is linked in tie down screw cover (5) upward and with tie down screw cover (5) tightens; Described nut (7) screws outside tie down screw cover (5) and axial limiting is carried out to lock sleeve (6) in the outside that is positioned at lock sleeve (6).
5. slitter according to claim 4, it is characterized in that: described opening (5.1) has four, is evenly distributed on the perisporium of tie down screw cover (5).
6. slitter according to claim 4, it is characterized in that: the inner of described tie down screw cover (5) is provided with radial convex loop (5.3), the inner face of described lock sleeve (6) is provided with a plurality of axial locking devices and unclamps bolt hole (6.1), and each locking device unclamps the liftout bolt (6.2) that is used for ejecting lock sleeve (6) when all being bolted with dismounting in the bolt hole (6.1).
7. slitter according to claim 6, it is characterized in that: the outer wall of described radial convex loop (5.3) is provided with a plurality of crotch spanner connecting hole I (5.4) radially.
8. slitter according to claim 4, it is characterized in that: the outer wall of described nut (7) is provided with a plurality of crotch spanner connecting hole II (7.1) radially.
9. slitter according to claim 8, it is characterized in that: the nut (7) that screws outside tie down screw cover (5) has two, and these two nuts (7) are close to mutually.
10. slitter according to claim 1, it is characterized in that: on described upper cutter shaft (2) and the lower cutter shaft (3) all circumferentially the spacing blade (4) that is sheathed with refer to, be equipped with flat key groove (9) on described upper cutter shaft (2) and the lower cutter shaft (3), the inwall of described blade (4) is provided with draw-in groove (4.1), described upper cutter shaft (2) flat key groove (9) and be installed between the draw-in groove (4.1) of the blade (4) on the cutter shaft (2) and lower cutter shaft (3) flat key groove (9) and be installed between the draw-in groove (4.1) of the blade (4) on the lower cutter shaft (3) and be equipped with flat key (10).
CN2010105183049A 2010-10-20 2010-10-20 Slitter Active CN101961797B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010105183049A CN101961797B (en) 2010-10-20 2010-10-20 Slitter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010105183049A CN101961797B (en) 2010-10-20 2010-10-20 Slitter

Publications (2)

Publication Number Publication Date
CN101961797A CN101961797A (en) 2011-02-02
CN101961797B true CN101961797B (en) 2013-01-16

Family

ID=43514935

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010105183049A Active CN101961797B (en) 2010-10-20 2010-10-20 Slitter

Country Status (1)

Country Link
CN (1) CN101961797B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103769418A (en) * 2012-10-26 2014-05-07 襄阳博亚精工装备股份有限公司 Continuous casting and rolling system for lead belt production

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5365821A (en) * 1989-12-12 1994-11-22 Eastman Kodak Company Shoulder knife and cutting device
CN201020564Y (en) * 2007-01-16 2008-02-13 中冶南方工程技术有限公司 Edge-cutting rotary shears
CN201076942Y (en) * 2007-09-17 2008-06-25 中色科技股份有限公司 Arc bond between disk shear shaft and longitudinal shear blade in slitting machine set
CN201833061U (en) * 2010-10-20 2011-05-18 宁波市凹凸重工有限公司 Slitting machine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5365821A (en) * 1989-12-12 1994-11-22 Eastman Kodak Company Shoulder knife and cutting device
CN201020564Y (en) * 2007-01-16 2008-02-13 中冶南方工程技术有限公司 Edge-cutting rotary shears
CN201076942Y (en) * 2007-09-17 2008-06-25 中色科技股份有限公司 Arc bond between disk shear shaft and longitudinal shear blade in slitting machine set
CN201833061U (en) * 2010-10-20 2011-05-18 宁波市凹凸重工有限公司 Slitting machine

Also Published As

Publication number Publication date
CN101961797A (en) 2011-02-02

Similar Documents

Publication Publication Date Title
EP2148090B1 (en) Locking assembly for the rotor of a wind power turbine
US9194234B2 (en) Fixture for connecting rotors of rotary machine and method of connecting rotors
CN201833061U (en) Slitting machine
CN101961797B (en) Slitter
CN110829745B (en) Disassembly-free motor bearing disassembling and assembling method
CN112720356B (en) Nondestructive dismounting tool for connecting bolt of steam turbine rotor coupling
CN102562835A (en) Shrink disc for friction-type connection of rotating machine components
CN107803784A (en) A kind of horizontal pressing bearing method and cylindrical bearing inner ring method for dismounting and device
EP2921656B1 (en) Turbomachine and method for disassembling such a turbomachine
CN207372331U (en) A kind of novel hub retaining mechanism
CA2787854A1 (en) Locking taper saw blade mounting assembly and method
CN105675210B (en) A kind of 10 megawatt-grade high-power hydraulic jet propulsion system impeller balance test tools
CN208849570U (en) Central spindle, rotor, motor and lathe
EP3019758B1 (en) Gas turbine combustion chamber with reversible fastening device for thermoinsulating tiles
CN203343782U (en) Clamping device of circular saw web
CN207952720U (en) A kind of monoblock type boring machine guide sleeve
US20140077665A1 (en) Removable wound stator for integrated motor/compressor
CN105344424A (en) Hammer type crusher rotor convenient to detach
CN210431169U (en) Clamping assembly tool suitable for disassembly and assembly without disassembly of motor bearing
CN210968707U (en) Disassembling tool for large gear transmission expansion sleeve of sintering machine host
CN208100260U (en) A kind of outer circle interstage sleeve dismantling device
RU2296888C1 (en) Unit for fastening pump wheel on shaft
CN109606016B (en) Anti-theft fast-mounting-dismounting hub
CN109882493B (en) Nut screw anti-theft protection device
CN211852522U (en) Novel split bearing connecting device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C53 Correction of patent for invention or patent application
CB03 Change of inventor or designer information

Inventor after: Zhu Liangjun

Inventor before: Zhu Jianjun

Inventor before: Zhu Liangjun

CP02 Change in the address of a patent holder

Address after: 315176 No. 3998, Airport Road, Haishu District, Zhejiang, Ningbo

Patentee after: NINGBO AOTU HEAVY INDUSTRIES Co.,Ltd.

Address before: 3998 Airport Road, Yinzhou District, Ningbo City, Zhejiang Province

Patentee before: NINGBO AOTU HEAVY INDUSTRIES Co.,Ltd.

CP02 Change in the address of a patent holder