CN108422036A - Involute spur gear inner hole key slot processing unit (plant) - Google Patents
Involute spur gear inner hole key slot processing unit (plant) Download PDFInfo
- Publication number
- CN108422036A CN108422036A CN201711467446.5A CN201711467446A CN108422036A CN 108422036 A CN108422036 A CN 108422036A CN 201711467446 A CN201711467446 A CN 201711467446A CN 108422036 A CN108422036 A CN 108422036A
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- CN
- China
- Prior art keywords
- spur gear
- wedged block
- positioning wedged
- mandrel
- inner hole
- 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.)
- Pending
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- 238000010276 construction Methods 0.000 claims abstract description 19
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 9
- 210000003781 tooth socket Anatomy 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D37/00—Broaching machines or broaching devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D41/00—Broaching machines or broaching devices characterised only by constructional features of particular parts
- B23D41/06—Broaching machines or broaching devices characterised only by constructional features of particular parts of devices for feeding, clamping, or ejecting workpieces
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling, Broaching, Filing, Reaming, And Others (AREA)
Abstract
A kind of involute spur gear inner hole key slot processing unit (plant),Including mandrel,Mandrel is multi-diameter shaft,The multi-diameter shaft path section is to be processed gear construction section,Mandrel is equipped with the broaching tool through hole axially penetrated through,Broaching tool through hole, which is located at, is processed the upper end at gear construction section position as hatch frame,The mounting plate of setting is fixedly connected in the major diameter section of mandrel,The upper end cantilever mounted holder of mounting plate,Pole bracket is equipped with threaded hole vertically downward,Threaded rod passes through threaded hole and pole bracket screw-thread fit,Handle is arranged in threaded rod upper end,The hinged positioning wedged block of lower end axis positioning of threaded rod,The lower end axial symmetry of positioning wedged block is set there are two latch,Sliding chute seat is fixedly installed in mounting plate lower part,Sliding chute seat is equipped with guide chute,Positioning wedged block is slidably fitted in guide chute,Positioning wedged block axial symmetry center line intersects vertically with broaching tool through hole axial line.The apparatus structure is simple, easy for installation, and the involute spur gear inner hole key slot processed is with respect to the symmetry of tooth or tooth socket height.
Description
Technical field
The present invention relates to a kind of processing unit (plant), more particularly to a kind of involute spur gear inner hole key slot processing unit (plant).
Background technology
In manufacturing, involute spur gear inner hole key slot with respect to tooth or tooth space centerline symmetry required precision compared with
Height is general to require to be less than or equal to 0.05 millimeter.It is usually now that the involute spur gear after heat treatment process is subjected to work at present
Dress, the inner hole key slot of involute spur gear is processed using wire cutting, can realize the high-precision requirement of inner hole key slot in this way,
But the cost of linear cutter gear is higher, and low production efficiency, is not also suitable for producing in batches.
Invention content
In view of the deficiencies of the prior art, it is an object of the present invention to provide a kind of processing of involute spur gear inner hole key slot to fill
It sets, the apparatus structure is simple, easy for installation, and to the positioning accuracy of involute spur gear height, the involute spur processed
Wheel inner hole key slot is good with respect to the symmetry of tooth socket or tooth, and the replacement of work piece involute spur gear is efficient and convenient.
The technical scheme is that:A kind of involute spur gear inner hole key slot processing unit (plant), including mandrel, the mandrel
For multi-diameter shaft, the path section of the multi-diameter shaft is to be processed gear construction section, and mandrel is equipped with the broaching tool through hole axially penetrated through, described
Broaching tool through hole, which is located at, is processed the upper end at gear construction section position as hatch frame, it is characterised in that:The major diameter of the mandrel
The mounting plate of a setting is fixedly connected in section, a pole bracket is fixed in the upper end of the mounting plate, and the pole bracket is equipped with
Threaded hole vertically downward, a threaded rod pass through threaded hole and pole bracket screw-thread fit, the threaded rod upper end that handle is arranged,
The hinged positioning wedged block of lower end axis positioning of threaded rod, the lower end axial symmetry of the positioning wedged block set that there are two latch, the peaces
A sliding chute seat is fixedly installed in loading board lower part, and the sliding chute seat is equipped with the guide chute for running through sliding chute seat up and down, the positioning card
Block is slidably fitted in the guide chute of sliding chute seat, the axial symmetry center line of the positioning wedged block and the broaching tool through hole of mandrel
Axial line intersects vertically.
The positioning wedged block upper end is equipped with T-type open slot, and the threaded rod lower end is fixed equipped with axis corresponding with T-type open slot
Position clamp, the axis positioning that threaded rod is stuck in formation retaining in the T-type open slot of positioning wedged block by axis positioning clamp are hinged.
The spacing of two latches of the positioning wedged block is to be processed the width of two teeth or three teeth on gear.
A cover board is fixedly connected with by screw on the sliding chute seat, which slides for preventing positioning wedged block abjection to be oriented to
Slot.
The cross sectional shape of the broaching tool through hole is corresponding with the cross sectional shape of broaching tool.
The major diameter section of the multi-diameter shaft is equipped with the boss of connection plate, and mounting plate is fixed by bolt and boss to be connected
It connects.
The processed gear construction section of the mandrel is equipped with workpiece ladder, and the shaft shoulder of the workpiece ladder is to quilt
Processing gear shaft is to limit.
The pole bracket is L-type right angle block, and threaded hole vertically downward, L-type are arranged on L-type right angle block horizontal extension
The vertical stretch of right angle block is connected by screw fixation with mounting plate.
Using above-mentioned technical proposal:Including mandrel, the mandrel is multi-diameter shaft, and the path section of the multi-diameter shaft is to be processed tooth
Construction section is taken turns, mandrel is equipped with the broaching tool through hole axially penetrated through, and the broaching tool through hole, which is located at, is processed gear construction section position
Upper end be hatch frame, the mounting plate of a setting is fixedly connected in the major diameter section of the mandrel, the upper end of the mounting plate is solid
A fixed pole bracket, the pole bracket are equipped with threaded hole vertically downward, and a threaded rod passes through threaded hole and pole bracket
Handle, the hinged positioning wedged block of lower end axis positioning of threaded rod, the positioning wedged block is arranged in screw-thread fit, the threaded rod upper end
Lower end axial symmetry set there are two latch, a sliding chute seat is fixedly installed in the mounting plate lower part, and the sliding chute seat is equipped with up and down
Through the guide chute of sliding chute seat, the positioning wedged block is slidably fitted in the guide chute of sliding chute seat, the positioning wedged block
The axial line of the broaching tool through hole of axial symmetry center line and mandrel intersects vertically.When to being processed involute spur gear processing, first
Involute spur gear is sleeved on to the work piece construction section of mandrel, because positioning wedged block is hinged on threaded rod, rotating threaded rod, just
Positioning wedged block can be allowed to be moved down along the sliding slot of sliding chute seat, the latch of positioning wedged block is made to block the tooth of involute spur gear, it is right
Involute spur gear progress is circumferentially positioned, to ensure that the inner hole key slot processed is symmetrical with respect to the center line of tooth socket or tooth
It spends.After involute spur gear installs, start lathe, blade erect upward broaching tool the broaching tool through hole of mandrel guiding
Under it is for linear motion processing involute spur gear inner hole key slot.The involute spur gear endoporus key processed can be realized in this way
Slot is less than or equal to 0.05 millimeter of high-precision requirement with respect to the symmetry of tooth socket or tooth, and stability is high.The apparatus structure
Simply, easy for installation, the replacement for processing involute spur gear after inner hole key slot is also fast and simple.
The positioning wedged block upper end is equipped with T-type open slot, and the threaded rod lower end is fixed equipped with axis corresponding with T-type open slot
Position clamp, the axis positioning that threaded rod is stuck in formation retaining in the T-type open slot of positioning wedged block by axis positioning clamp is hinged, or
T-type open slot can be also disposed through to the structure of positioning wedged block.T-type open slot can parallel mandrel be axially disposed within positioning wedged block
Upper end, also can vertical spindle be axially disposed within positioning wedged block upper end.It is positioned by the T-type open slot and threaded rod axis of positioning wedged block
The cooperation of clamp can realize that being hinged for threaded rod and positioning wedged block, rotation threaded rod can allow positioning wedged block in sliding chute seat
Guide chute in move up and down, while also facilitating the installation and dismounting of threaded rod and positioning wedged block.
The spacing of two latches of the positioning wedged block is to be processed the width of two teeth or three teeth on gear.For different rulers
Very little processed gear selects corresponding latch clamping, more accurate processed gear it is circumferentially positioned, to ensure gradually to open
The inner hole key slot of line spur gear is to tooth or inner hole key slot to symmetry≤0.03mm of tooth socket.
A cover board is fixedly connected with by screw on the sliding chute seat, which slides for preventing positioning wedged block abjection to be oriented to
Slot plays axial limiting to positioning wedged block.
The cross sectional shape of the broaching tool through hole is corresponding with the cross sectional shape of broaching tool.Broaching tool is in processing involute spur gear
The cutter of hole keyway after broaching tool through hole is corresponding with the cross sectional shape of broaching tool, can realize broaching tool through hole to the accurate of broaching tool
Positioning and guiding, ensure that the dimensional accuracy of inner hole key slot after processing is completed is good.
The major diameter section of the multi-diameter shaft is equipped with the boss of connection plate, and mounting plate is fixed by bolt and boss to be connected
It connects.Boss facilitates the installation of mounting plate, while also increasing the connective stability of mounting plate and major diameter section.
The processed gear construction section of the mandrel is equipped with workpiece ladder, and the shaft shoulder of the workpiece ladder is to quilt
Processing gear shaft is to limit.When preventing broaching tool from broaching to work piece, work piece is moved along the broaching tool side of moving.
The pole bracket is L-type right angle block, and threaded hole vertically downward, L-type are arranged on L-type right angle block horizontal extension
The vertical stretch of right angle block is connected by screw fixation with mounting plate.The connection of pole bracket and mounting plate can be facilitated solid in this way
Fixed, hornblock processing is simple.
Involute spur gear inner hole key slot processing unit (plant) of the present invention is by the latch of mandrel and positioning wedged block to work piece
Involute spur gear is accurately positioned, and ensure that the inner hole key slot of involute spur gear after processing is completed has with respect to tooth socket or tooth
High symmetry precision.The processing unit (plant) is simple in structure, easy for installation, and the replacement of work piece involute spur gear is fast square
Just.
The invention will be further described with specific embodiment with reference to the accompanying drawings of the specification.
Description of the drawings
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is the A-A sectional views of schematic structural view of the invention;
Fig. 3 is the structural schematic diagram of mandrel of the present invention;
Fig. 4 is the structural schematic diagram of sliding chute seat of the present invention;
Fig. 5 is the structural schematic diagram of threaded rod of the present invention;
Fig. 6 is the B-B sectional views for the positioning wedged block that the present invention is equipped with T-type open slot;
Fig. 7 is the structural schematic diagram for the positioning wedged block that the present invention is equipped with T-type open slot;
Fig. 8 is work piece involute spur gear work pieces process structural schematic diagram after molding of the present invention;
Fig. 9 is that broaching tool is located at the structural schematic diagram in mandrel;
Figure 10 is that the latch of positioning wedged block of the present invention blocks the structural schematic diagram of two teeth of involute spur gear.
In attached drawing, 1 is mandrel, and 1-1 is the shaft shoulder, and 1-2 is boss, and 1-3 is workpiece ladder, and 1-4 is to be processed gear
Construction section, 2 be mounting plate, and 3 be handle, and 4 be pole bracket, and 5 be threaded rod, and 5-1 is that axis positions clamp, and 6 be sliding chute seat, 6-1
It is cover board for guide chute, 7,8 be positioning wedged block, and 8-1 is latch, and 8-2 is T-type open slot, and 9 be involute spur gear, 9-1
It is broaching tool for inner hole key slot, 10.
Specific implementation mode
Referring to Fig. 1 to Figure 10, a kind of involute spur gear inner hole key slot processing unit (plant), including mandrel 1, the mandrel 1 be
Multi-diameter shaft, the path section of the multi-diameter shaft are to be processed gear construction section 1-4, are processed the outer diameter of gear construction section 1-4 and are added
The internal diameter of work gear corresponds to, and carries out radial limit to being processed gear, the processed gear construction section 1-4 is limited equipped with workpiece
The shaft shoulder 1-1 of position ladder 1-3, workpiece ladder 1-3 prevent broaching tool 10 to being processed tooth to being processed gear axial limiting
When wheel is broached, it is processed gear and is moved along 10 side of moving of broaching tool.Mandrel 1 is equipped with the broaching tool through hole 1-5 axially penetrated through, institute
The cross sectional shape for stating broaching tool through hole 1-5 is corresponding with the cross sectional shape of broaching tool 10, and the broaching tool through hole 1-5, which is located at, is processed tooth
The upper end for taking turns the positions construction section 1-4 is hatch frame.Broaching tool 10 is the knife of 9 inner hole key slot 9-1 of work piece involute spur gear
Tool, the hatch frame for being processed the upper ends gear construction section 1-4 is stretched out for the blade of broaching tool 10, convenient for being carried out to inner hole key slot 9-1
Processing.After broaching tool through hole 1-5 is corresponding with the cross sectional shape of broaching tool 10, broaching tool 10 can be positioned, ensure broaching tool 10
Blade is erect upward, while movement when also being processed to broaching tool 10 is precisely directed to, and ensure that inner hole key slot 9-1 is adding
Dimensional accuracy after the completion of work is good.The mounting plate 2 of a setting is fixedly connected in the major diameter section of the mandrel 1, the mounting plate 2 is logical
It crosses the boss 1-2 that major diameter section is equipped with to connect with mandrel 1, then the setting of mounting plate 2 is fixed on boss 1-2 with bolt.Boss 1-2
The installation of mounting plate 2 is facilitated, while also increasing the connective stability of mounting plate 2 and 1 major diameter section of mandrel.The mounting plate 2
Upper end fix a pole bracket 4, the pole bracket 4 is equipped with threaded hole vertically downward, and a threaded rod 5 passes through threaded hole
With 4 screw-thread fit of pole bracket.The pole bracket 4 could be provided as L-type right angle block, on L-type right angle block horizontal extension
Threaded hole vertically downward is set, and vertical stretch and the mounting plate 2 of L-type right angle block are connected by screw fixation, in this way can be square
Just pole bracket 4 and mounting plate 2 are connected and fixed, and hornblock processing is simple.Handle 3, threaded rod 5 is arranged in 5 upper end of the threaded rod
The hinged positioning wedged block 8 of lower end axis positioning, described can be hingedly that T-type open slot 8-2, spiral shell is arranged in 8 upper end of positioning wedged block
5 lower end of rasp bar is equipped with axis corresponding with T-type open slot 8-2 and positions clamp 5-1, and threaded rod 5 is positioned clamp 5-1 and be stuck in by axis to be determined
Formed in the T-type open slot 8-2 of position fixture block 8 retaining axis positioning is hinged or T-type open slot 8-2 to may also be configured to perforation fixed
The structure of position fixture block 8, the present embodiment selection T-type open slot 8-2 corresponding with axis positioning clamp 5-1.T-type open slot 8-2 can be put down
Row mandrel 1 is axially disposed within 8 upper end of positioning wedged block, also can vertical spindle 1 be axially disposed within 8 upper end of positioning wedged block.The present embodiment
Select the axial setting T-type open slot 8-2 of vertical spindle 1.It is positioned by the T-type open slot 8-2 and 5 axis of threaded rod of positioning wedged block 8
The cooperation of clamp 5-1 can realize being hinged for threaded rod 5 and positioning wedged block 8, and rotation threaded rod 5 can allow positioning wedged block 8
It is moved up and down in the guide chute 6-1 of sliding chute seat 6, while also facilitating the installation and dismounting of threaded rod 5 and positioning wedged block 8.
It is to be processed on gear that the lower end axial symmetry of the positioning wedged block 8, which is set there are two the spacing of latch 8-1, described two latch 8-1,
The width of two teeth or three teeth, selects corresponding latch 8-1 clampings for various sizes of processed gear, more accurate quilt
The circumferentially positioned of gear is processed, to ensure the symmetry of the inner hole key slot of involute spur gear 9 to tooth or inner hole key slot to tooth socket
≤ 0.03mm makes symmetry precision be further enhanced.A sliding chute seat 6, the sliding slot is fixedly installed in 2 lower part of the mounting plate
Seat 6 is equipped with the guide chute 6-1 for running through sliding chute seat 6 up and down, and the guiding that the positioning wedged block 8 is slidably fitted in sliding chute seat 6 is slided
In slot 6-1, a cover board 7 is fixedly connected with by screw on the sliding chute seat 6, the cover board 7 is for preventing the abjection of positioning wedged block 8 to be oriented to
Sliding slot 6-1 plays axial limiting to positioning wedged block 8.The axial symmetry center line of the positioning wedged block 8 is logical with the broaching tool of mandrel 1
The axial line of via 1-5 intersects vertically.
When processing the inner hole key slot 9-1 of involute spur gear 9, first the installation of mandrel 1 is clamped on lathe, lathe is made to pacify
The broaching tool 10 installed passes through the broaching tool through hole 1-5 of mandrel 1.The involute spur gear 9 to be processed is sleeved on being processed for mandrel 1
Gear construction section 1-4, then rotating threaded rod 5 make positioning wedged block 8 be moved down along the guide chute 6-1 of sliding chute seat 6, by positioning
Two latch 8-1 of fixture block 8 block two of involute spur gear 9 or three teeth, and circumferential direction is carried out to involute spur gear 9
Positioning, to ensure that the inner hole key slot 9-1 processed is good with respect to the symmetry of tooth socket or the center line of tooth.Involute spur gear
After 9 install, lathe is started, makes broaching tool through hole 1-5 for linear motion processing involute spur gear 9 of the broaching tool 10 along mandrel 1
Inner hole key slot 9-1.The inner hole key slot 9-1 of involute spur gear 9 be can reach in this way with respect to tooth socket or pair of the center line of tooth
Title degree is less than or equal to 0.03 millimeter of high-precision requirement.
Claims (8)
1. a kind of involute spur gear inner hole key slot processing unit (plant), including mandrel(1), the mandrel(1)For multi-diameter shaft, the ladder
The path section of axis is to be processed gear construction section(1-4), mandrel(1)Equipped with the broaching tool through hole axially penetrated through(1-5), the drawing
Knife through hole(1-5)Positioned at processed gear construction section(1-4)The upper end at position is hatch frame, it is characterised in that:The core
Axis(1)Major diameter section on be fixedly connected with the mounting plate of a setting(2), the mounting plate(2)Upper end fix a pole bracket
(4), the pole bracket(4)It is equipped with threaded hole vertically downward, a threaded rod(5)Across threaded hole and pole bracket(4)
Screw-thread fit, the threaded rod(5)Handle is arranged in upper end(3), threaded rod(5)The hinged positioning wedged block of lower end axis positioning(8),
The positioning wedged block(8)Lower end axial symmetry set there are two latch(8-1), the mounting plate(2)A sliding slot is fixedly installed in lower part
Seat(6), the sliding chute seat(6)It is equipped with and runs through sliding chute seat up and down(6)Guide chute(6-1), the positioning wedged block(8)Sliding
Cooperation is in sliding chute seat(6)Guide chute(6-1)In, the positioning wedged block(8)Axial symmetry center line and mandrel(1)Broaching tool
Through hole(1-5)Axial line intersect vertically.
2. involute spur gear inner hole key slot processing unit (plant) according to claim 1, it is characterised in that:The positioning wedged block
(8)Upper end is equipped with T-type open slot(8-2), the threaded rod(5)Lower end is equipped with and T-type open slot(8-2)Corresponding axis positioning card
Head(5-1), threaded rod(5)Clamp is positioned by axis(5-1)It is stuck in positioning wedged block(8)T-type open slot(8-2)Middle formation retaining
Axis positioning it is hinged.
3. involute spur gear inner hole key slot processing unit (plant) according to claim 1, it is characterised in that:The positioning wedged block
(8)Two latches(8-1)Spacing be processed gear on the width of two teeth or three teeth.
4. involute spur gear inner hole key slot processing unit (plant) according to claim 1, it is characterised in that:The sliding chute seat
(6)It is upper that a cover board is fixedly connected with by screw(7), the cover board(7)For preventing positioning wedged block(8)Deviate from guide chute(6-1).
5. involute spur gear inner hole key slot processing unit (plant) according to claim 1, it is characterised in that:The broaching tool passes through
Hole(1-5)Cross sectional shape and broaching tool(10)Cross sectional shape correspond to.
6. involute spur gear inner hole key slot processing unit (plant) according to claim 1, it is characterised in that:The multi-diameter shaft
Major diameter section is equipped with connection plate(2)Boss(1-2), mounting plate(2)Pass through bolt and boss(1-2)It is fixedly connected.
7. involute spur gear inner hole key slot processing unit (plant) according to claim 1, it is characterised in that:The mandrel(1)
Processed gear construction section(1-4)It is equipped with workpiece ladder(1-3), the workpiece ladder(1-3)The shaft shoulder(1-1)
To being processed gear axial limiting.
8. involute spur gear inner hole key slot processing unit (plant) according to claim 1, it is characterised in that:The pole bracket
(4)For L-type right angle block, threaded hole vertically downward is set, L-type right angle block extends vertically on L-type right angle block horizontal extension
Portion and mounting plate(2)It is connected by screw fixation.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711467446.5A CN108422036A (en) | 2017-12-29 | 2017-12-29 | Involute spur gear inner hole key slot processing unit (plant) |
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CN201711467446.5A CN108422036A (en) | 2017-12-29 | 2017-12-29 | Involute spur gear inner hole key slot processing unit (plant) |
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CN201711467446.5A Pending CN108422036A (en) | 2017-12-29 | 2017-12-29 | Involute spur gear inner hole key slot processing unit (plant) |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110480388A (en) * | 2019-07-25 | 2019-11-22 | 天津职业技术师范大学(中国职业培训指导教师进修中心) | A kind of crank axle fixture and its application method |
CN112112909A (en) * | 2019-09-26 | 2020-12-22 | 东莞理工学院 | Braking device for failure analysis of armored vehicle |
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CN205915091U (en) * | 2016-08-01 | 2017-02-01 | 江苏新银叶传动机电有限公司 | Skewed tooth terminal surface tooth's socket center is to tooth cut groove frock |
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