CN110216459A - A kind of rear-end gear reduction clamp nut automatic tightening and mark rolling inspection assembly system - Google Patents
A kind of rear-end gear reduction clamp nut automatic tightening and mark rolling inspection assembly system Download PDFInfo
- Publication number
- CN110216459A CN110216459A CN201910549202.4A CN201910549202A CN110216459A CN 110216459 A CN110216459 A CN 110216459A CN 201910549202 A CN201910549202 A CN 201910549202A CN 110216459 A CN110216459 A CN 110216459A
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- Prior art keywords
- clamp nut
- screwing
- rolling inspection
- servo
- main reducing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/10—Aligning parts to be fitted together
- B23P19/102—Aligning parts to be fitted together using remote centre compliance devices
- B23P19/105—Aligning parts to be fitted together using remote centre compliance devices using sensing means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a kind of rear-end gear reduction clamp nut automatic tightenings and mark rolling inspection assembly system, including the positioning mechanism for installing fixed main reducing gear, the device for screwing up for providing torque for main reducing gear two sides clamp nut, the mobile device for driving device for screwing up to move along clamp nut axis direction, mark rolling inspection driving device, and matched servo-control system, main reducing gear is installed on the positioning mechanism；The device for screwing up has two groups, is symmetrically divided into the two sides of main deceleration, and can be coaxially connected with the clamp nut of main reducing gear two sides respectively；A mobile device is arranged in each device for screwing up, and in the two installment work platform；The output end of the mark rolling inspection driving device is connected with the connecting flange of main reducing gear driving gear.The invention has the benefit that high degree of automation of the present invention, precision is high, and fast and reliable and intelligence is controllable, greatly improves working efficiency and assembly precision, saves cost of labor.
Description
Technical field
The present invention relates to main speed reducer of rear axle mounting technology fields, and in particular to a kind of rear-end gear reduction clamp nut
Automatic tightening and mark rolling inspection assembly system.
Background technique
On main speed reducer of rear axle assembling line, the clamp nut of main reducing gear axle shaft gear both ends installation needs same
When load certain torque to be pre-tightened；The position for adjusting clamp nut simultaneously, can be adjusted gear clearance；In clamp nut
After tightening, it is also necessary to hand-turning main tooth connecting flange makes gear pair dynamic engagement, achievees the purpose that contact patch rolling inspection, this
Several steps are had been manually done by experienced assembly master worker.However, being led since main reducing gear is heavy, moulding is complicated
Cause location difficulty and inconvenient；And when tightening the nut at both ends simultaneously by hand, torque is uncontrollable, firmly uneven, so that pre-tightening
Power is unqualified, and gap is excessive；These factors restrict the efficiency of entire assembling line in varying degrees, while affecting dress
The qualification rate matched.
Summary of the invention
It is an object of the present invention to fall behind for main reducing gear Assembling Production Wiring technology in the prior art, the degree of automation
Low problem, provides that a kind of high degree of automation, precision be high, high-efficient rear-end gear reduction clamp nut automatic tightening and mark
Rolling inspection assembly system.
The technical solution adopted by the present invention are as follows: a kind of rear-end gear reduction clamp nut automatic tightening and mark rolling inspection assembly system
System, including for installing fixed main reducing gear positioning mechanism, for providing tightening for torque for main reducing gear two sides clamp nut
Device, the mobile device for driving device for screwing up to move along clamp nut axis direction, mark rolling inspection driving device and mating
Servo-control system, main reducing gear is installed on the positioning mechanism；The device for screwing up has two groups, is symmetrically divided into main deceleration
Two sides, and can be coaxially connected with the clamp nut of main reducing gear two sides respectively；A mobile device is arranged in each device for screwing up, and
In the two installment work platform；The connecting flange phase of the output end and main reducing gear driving gear of the mark rolling inspection driving device
Even；The device for screwing up, mobile device and mark rolling inspection driving device are connected with servo controller respectively, by servo controller
Control.
According to the above scheme, the device for screwing up is mounted as a whole in mobile device, device for screwing up include tighten servo motor,
It tightens arm, torque sensor, tighten flange and spring catch, the motor shaft for tightening servo motor is by yielding coupling and twists
One end of tight arm is connected, and the other end for tightening arm is connected with flange is tightened, and tightens the circumferentially-spaced several bullets of arrangement in end of flange
Spring pin, spring catch are adapted with the pin hole being set on clamp nut end face；The torque sensor, which is installed on, to be tightened on arm, and torque passes
It sensor and tightens servo motor and is connected respectively with system servo controller；When tightening arm and being bonded for the first time with clamp nut, if bullet
Spring pin is not inserted into the pin hole of clamp nut end face, then the retraction of spring catch stress is tightened in the hole of flange；When device for screwing up rotation,
Spring catch pop-up is realized cooperation and is tightened just in the pin hole of insertion clamp nut end face.
According to the above scheme, the mobile device is screw rod slide block mechanism comprising pedestal, screw rod, slide unit and servo-drive
Device, the pedestal are installed on workbench；The screw rod is installed on pedestal, and the axis of screw rod is parallel to the axis of clamp nut
Line；Screw rod is adapted with the feed screw nut for being set to slide unit bottom；One end of screw rod is connected with the motor shaft of servo-driver；Servo
Driver is connected with system servo controller；The device for screwing up is mounted as a whole on slide unit；When servo driver drives and band
When dynamic screw rod rotation, drives slide unit to do round-trip linear motion along the length direction of screw rod with the nut of screw rod cooperation, be installed on cunning
Device for screwing up on platform moves, the clamp nut away from or approaching main reducing gear end.
According to the above scheme, an one slide rail, sliding rail and the sliding block phase for being set to slide unit bottom are respectively set on the pedestal of screw rod two sides
Adaptation；Sliding rail is equipped with for limiting the mobile limiter of sliding block.
According to the above scheme, the mark rolling inspection driving device includes rolling inspection servo motor, positive coupling and flange shaft, institute
The motor shaft for stating rolling inspection servo motor is connected by rigid connecting shaft with flange shaft, and several bolts are installed in the end face of flange shaft, is inserted
Pin is adapted with the pin hole on the connecting flange of main gear reducer driving gear.
According to the above scheme, rolling inspection servo motor is installed on motor mounting plate by bolt, and motor mounting plate is fixed on fixed
In the mechanism of position.
According to the above scheme, the positioning mechanism include upper positioning plate that four columns and quadrangle are connected with column and
Lower positioning plate；Offer stepped hole compatible with bevel housing on the upper positioning plate, in stepped hole radially inward
Several projection seats are stretched out, a positioning pin is set in each projection seat, positioning pin is mutually fitted with the dowel hole being set on bevel housing
Match；The through-hole passed through for positive coupling is offered on the lower positioning plate；The motor mounting plate is installed on lower positioning plate
Lower surface.
According to the above scheme, the workbench has two groups, is respectively arranged in the two sides of positioning mechanism；The workbench includes one
The square steel frame that side is connected with the column of positioning mechanism, and the working plate being installed on square steel frame；The square steel frame is by several
Square steel is welded.
The invention has the benefit that
1, device for screwing up, mobile device and the rolling inspection driving device that present invention design is controlled by servo controller, it is real
The automatic tightening of existing main reducing gear both ends clamp nut, pretightning force are adjusted, and it is real that the main tooth flange rotation of main reducing gear can be driven
Existing tooth contact pattern rolls inspection automatically, and this structure automation degree is high, and precision is high, and fast and reliable and intelligence is controllable, mentions significantly
Working efficiency and assembly precision have been risen, cost of labor is saved；
2, the present invention is directed to the concrete structure design positioning mechanism of main reducing gear, can realize quick positioning, solve to finish
The problem of structure is complicated, location difficulty；Tappet head uses spring latch structure, hole location misalignment when solving the problems, such as to tighten；
3, the present invention has rational design, and feasibility is good, reliable high.
Detailed description of the invention
Fig. 1 is the overall schematic of a specific embodiment of the invention.
Fig. 2 is the connection schematic diagram of device for screwing up and mobile device in the present embodiment.
Fig. 3 is the structural schematic diagram of upper positioning plate in the present embodiment.
Fig. 4 is rolling inspection driving device installation diagram in the present embodiment.
Fig. 5 is the schematic internal view of main reducing gear.
Wherein: 1- tightens servo motor, 2- yielding coupling, 3- torque sensor, and 4- tightens flange, 5- spring catch, 6-
Main reducing gear, 6.1- driving gear, 6.2- driven gear；7- clamp nut, the upper positioning plate of 8-, 9- screw rod, 10- slide unit, 11- are sliding
Rail, 12- servo-driver, 13- pedestal, 14- slide unit connecting plate, 15- working plate, 16- connecting flange, 17- flange shaft, 18-
Positive coupling, 19- rolling inspection servo motor, 20- motor mounting plate, 21- limiter, 22- square steel frame.
Specific embodiment
For a better understanding of the present invention, the present invention is further described in the following with reference to the drawings and specific embodiments.
As shown in Figure 1 and Figure 5, main speed reducer of rear axle 6 is the assembly object of whole device, the two sides of main reducing gear 6
It is separately installed with clamp nut 7；Main reducing gear 6 mainly includes intermeshing driving gear 6.1 and driven gear 6.2, driving tooth
Its underface of wheel 6.1 is the connecting flange 16 of driving gear 6.1.A kind of rear-end gear reduction clamp nut as shown in Figure 1 is automatic
Tighten with mark roll inspection assembly system, including for installing fixed main reducing gear 6 positioning mechanism, for being provided for clamp nut 7
The device for screwing up of torque, the mobile device for driving device for screwing up to move along 7 axis direction of clamp nut, mark rolling inspection driving dress
It sets and matched servo-control system, main reducing gear 6 is installed on the positioning mechanism；The device for screwing up has two groups, symmetrically
The two sides of main deceleration are divided into, and coaxially connected with the clamp nut 7 of 6 two sides of main reducing gear respectively；Each device for screwing up is arranged one
A mobile device, and in the two installment work platform；The output end and 6 driving gear of main reducing gear of the mark rolling inspection driving device
6.1 connecting flange 16 is connected；The device for screwing up, mobile device and mark rolling inspection driving device respectively with servo controller
It is connected, is controlled by servo controller.
Preferably, as shown in Fig. 2, the device for screwing up is mounted as a whole in mobile device, device for screwing up includes tightening to watch
Motor 1 is taken, arm, torque sensor 3 is tightened, tightens flange 4 and spring catch 5, the motor shaft for tightening servo motor 1 passes through bullet
Property shaft coupling 2 be connected with the one end for tightening arm, tighten the other end of arm with tighten flange 4 and be connected, the end for tightening flange 4 is circumferential
Several spring catch 5 of arranged for interval, spring catch 5 are adapted with the pin hole being set on 7 end face of clamp nut；The torque sensor 3 is pacified
Loaded on tightening on arm, torque sensor 3 and tightens servo motor 1 and be connected respectively with system servo controller.In the present embodiment,
Two groups of device for screwing up can simultaneously be adjusted both ends clamp nut 7, and precision is high, controllability is strong.Tightening servo motor 1 is large torque
Servo motor is the power source of device for screwing up, has that torque is big, revolving speed is slow, can drive and tighten arm rotation, to clamp nut 7 into
Row is tightened and is adjusted.Yielding coupling 2 tightens servo motor 1 for connection and tightens arm.The torque sensor 3 tightened on arm can
To tighten and adjustment process in torque measure and by the torque signal measured feedback to servo-control system, SERVO CONTROL
The torque of servo motor 1 is tightened in torque signal adjustment to system based on the received, is made to tighten servo motor 1 and is exported suitable torque.
The spring catch 5 for tightening flange 4 is scalable, and matches with the pin hole on 7 end face of clamp nut, when tighten arm for the first time with clamp nut 7
When fitting, if spring catch 5 is not inserted into the pin hole of 7 end face of clamp nut, 5 stress retraction of spring catch is tightened in the hole of flange 4；To
When device for screwing up rotates, spring catch 5 is popped up, and just in the pin hole of insertion 7 end face of clamp nut, is realized cooperation and is tightened.
In the present invention, as shown in Fig. 2, the mobile device is screw rod slide block mechanism comprising pedestal 13, screw rod 9, slide unit
10 and servo-driver 12, the pedestal 13 be installed on workbench；The screw rod 9 is installed on pedestal 13, the axis of screw rod 9
Line is parallel to the axis of clamp nut 7；Screw rod 9 is adapted with 9 nut of screw rod for being set to 10 bottom of slide unit；One end of screw rod 9 with watch
The motor shaft for taking driver 12 is connected；Servo-driver 12 is connected with system servo controller；The device for screwing up integral installation
In on slide unit 10, specifically, the servo motor 1 of tightening of device for screwing up is installed on slide unit 10 by slide unit connecting plate 14；When watching
When taking the driving of driver 12 and screw rod 9 being driven to rotate, drive slide unit 10 along the length direction of screw rod 9 with the nut that screw rod 9 cooperates
Round-trip linear motion is done, the device for screwing up being installed on slide unit 10 moves, the flower spiral shell away from or approaching 6 end of main reducing gear
Mother 7.Preferably, in order to improve stability, an one slide rail 11 is respectively set on the pedestal 13 of 9 two sides of screw rod, sliding rail 11 is slided with being set to
The sliding block of 10 bottom of platform is adapted；Sliding rail 11 is equipped with for limiting the mobile limiter 21 of sliding block, prevents slide unit 10 beyond row
Journey.In the present embodiment, shift servo driver 12 can control the speed of device for screwing up transverse movement, stroke, and precision is high, and movement can
It leans on, and there are also the guaranteeing roles of 10 limiter 21 of slide unit.Pedestal 13 is connect by bolt with workbench, and workbench carries entirely
9 slide block device of device for screwing up and screw rod.
The driving gear 6.1 of main reducing gear 6 is engaged with driven gear 6.2, judges meshing quality according to meshing mark.This hair
In bright, as shown in Figure 1 and Figure 4, the mark rolling inspection driving device includes rolling inspection servo motor 19, positive coupling 18 and flange
The motor shaft of axis 17, the rolling inspection servo motor 19 is connected by rigid connecting shaft with flange shaft 17, the end face peace of flange shaft 17
Several bolts are filled, bolt is adapted with the pin hole on the connecting flange 16 of main gear reducer driving gear 6.1.In the present embodiment,
Rolling inspection servo motor 19 is installed on motor mounting plate 20 by bolt, and motor mounting plate 20 is fixed on positioning mechanism, rolling inspection
Servo motor 19 is the power source that mark rolls checking device, the connecting flange 16 of driving gear 6.1 can be driven to rotate, to drive master
6.2 engagement rotation of moving gear 6.1 and driven gear realizes that mark rolls inspection automatically.
In the present invention, as shown in Figure 1, the positioning mechanism include four columns and quadrangle be connected with column it is upper
Positioning plate 8 and lower positioning plate；As shown in figure 3, offering ladder compatible with 6 shell of main reducing gear on the upper positioning plate 8
Hole extends radially inward several projection seats in stepped hole, sets a positioning pin in each projection seat, positioning pin be set to main reducing gear
Dowel hole on 6 shells is adapted；When installation, positioning pin is inserted on 6 shell of main reducing gear in dowel hole, is realized to master
The positioning and support of retarder 6.The through-hole passed through for positive coupling 18 is offered on the lower positioning plate；The motor peace
Loading board 20 is installed on the lower surface of lower positioning plate by bolt.
In the present invention, the workbench has two groups, is respectively arranged in the two sides of positioning mechanism；The workbench includes side
The square steel frame 22 being connected with the column of positioning mechanism, and the working plate 15 being installed on square steel frame 22；The square steel frame 22
It is welded by several square steel.
Entire assembly system operation are as follows: main reducing gear 6 is put on upper positioning plate 8, so that the shell of main reducing gear 6
It is bonded with the stepped hole inner ring of upper positioning plate 8, and guarantees that positioning pin is just inserted into dowel hole, at this time lower section driving gear
The pin hole of 6.1 connecting flange 16, which also just cooperates with the bolt of flange shaft 17, to be inserted into, and determining for main reducing gear 6 has been fast implemented
Position；Then, servo-driver 12 drives screw rod 9 to rotate, and slide unit 10 drives device for screwing up to move along the direction of main reducing gear 6, when
When tightening flange 4 and being bonded for the first time with clamp nut 7, if spring catch 5 is not inserted into just in the pin hole of clamp nut 7,5 stress of spring catch
Retraction is tightened in flange 4, is tightened flange 4 and is fitted closely with 7 end face of clamp nut；Servo motor 1 is tightened in starting, with scheduled torque
Device for screwing up rotation is driven, during rotation, spring catch 5 will pop up insertion flower spiral shell when being just directed at the pin hole of clamp nut 7
In mother 7, device for screwing up can realize the automatic tightening to clamp nut 7 at this time；After torque sensor 3 detects that pretightning force is qualified, close
It closes and tightens servo motor 1, servo-driver 12 drives slide unit 10 to retract and realizes the return of device for screwing up；After the completion of rundown process,
System servo controller control rolling inspection servo motor 19 rotates, and the connecting flange 16 of driving gear 6.1 is driven by flange shaft 17
Rotation realizes that mark rolls inspection automatically to drive 6.2 engagement rotation of driving gear 6.1 and driven gear.
Finally it should be noted that these are only the preferred embodiment of the present invention, it is not intended to restrict the invention, although
Referring to embodiment, invention is explained in detail, for those skilled in the art, still can be to aforementioned
Technical solution documented by each embodiment is modified or equivalent replacement of some of the technical features, but it is all
Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on should be included in protection of the invention
Within the scope of.
Claims (8)
1. a kind of rear-end gear reduction clamp nut automatic tightening and mark rolling inspection assembly system, which is characterized in that including for pacifying
Fill the positioning mechanism of fixed main reducing gear, for providing the device for screwing up of torque, for driving for main reducing gear two sides clamp nut
Mobile device, mark rolling inspection driving device and the matched SERVO CONTROL system that device for screwing up is moved along clamp nut axis direction
It unites, main reducing gear is installed on the positioning mechanism；The device for screwing up has two groups, is symmetrically divided into the two sides of main deceleration, and can
It is coaxially connected with the clamp nut of main reducing gear two sides respectively；A mobile device, and the two erector is arranged in each device for screwing up
Make on platform；The output end of the mark rolling inspection driving device is connected with the connecting flange of main reducing gear driving gear；It is described to tighten
Device, mobile device and mark rolling inspection driving device are connected with servo controller respectively, are controlled by servo controller.
2. rear-end gear reduction clamp nut automatic tightening as described in claim 1 and mark rolling inspection assembly system, feature exist
In the device for screwing up is mounted as a whole in mobile device, and device for screwing up includes tightening servo motor, tightening arm, torque sensing
Device tightens flange and spring catch, and the motor shaft for tightening servo motor is connected by yielding coupling with the one end for tightening arm,
The other end for tightening arm is connected with flange is tightened, and tightens several spring catch of the circumferentially-spaced arrangement in end of flange, spring catch with set
It is adapted in the pin hole on clamp nut end face；The torque sensor, which is installed on, to be tightened on arm, torque sensor and tightens servo
Motor is connected with system servo controller respectively；When tightening arm and being bonded for the first time with clamp nut, if spring catch is not inserted into colored spiral shell
In the pin hole in female end face, then the retraction of spring catch stress is tightened in the hole of flange；When device for screwing up rotation, spring catch pop-up, just
It is inserted into well in the pin hole of clamp nut end face, realizes cooperation and tighten.
3. rear-end gear reduction clamp nut automatic tightening as claimed in claim 1 or 2 and mark rolling inspection assembly system, feature
It is, the mobile device is screw rod slide block mechanism comprising pedestal, screw rod, slide unit and servo-driver, the pedestal installation
In on workbench；The screw rod is installed on pedestal, and the axis of screw rod is parallel to the axis of clamp nut；Screw rod be set to slide unit
The feed screw nut of bottom is adapted；One end of screw rod is connected with the motor shaft of servo-driver；Servo-driver and system servo
Controller is connected；The device for screwing up is mounted as a whole on slide unit；When servo driver drives and when screw rod being driven to rotate, with silk
The nut of bar cooperation drives slide unit along the length direction of screw rod to do round-trip linear motion, is installed on device for screwing up on slide unit therewith
It is mobile, the clamp nut away from or approaching main reducing gear end.
4. rear-end gear reduction clamp nut automatic tightening as claimed in claim 3 and mark rolling inspection assembly system, feature exist
In respectively setting an one slide rail on the pedestal of screw rod two sides, sliding rail is adapted with the sliding block for being set to slide unit bottom；Sliding rail, which is equipped with, to be used
In the mobile limiter of limitation sliding block.
5. rear-end gear reduction clamp nut automatic tightening as described in claim 1 and mark rolling inspection assembly system, feature exist
In the mark rolling inspection driving device includes that servo motor, positive coupling and flange shaft are examined in rolling, the rolling inspection servo motor
Motor shaft is connected by rigid connecting shaft with flange shaft, and several bolts are installed in the end face of flange shaft, and bolt and main gear reducer are actively
Pin hole on the connecting flange of gear is adapted.
6. rear-end gear reduction clamp nut automatic tightening as claimed in claim 5 and mark rolling inspection assembly system, feature exist
In rolling inspection servo motor is installed on motor mounting plate by bolt, and motor mounting plate is fixed on positioning mechanism.
7. rear-end gear reduction clamp nut automatic tightening as claimed in claim 5 and mark rolling inspection assembly system, feature exist
In the positioning mechanism includes the upper positioning plate that four columns and quadrangle are connected with column and lower positioning plate；It is described fixed
Stepped hole compatible with bevel housing is offered on the plate of position, extends radially inward several projection seats in stepped hole, each
A positioning pin is set in projection seat, positioning pin is adapted with the dowel hole being set on bevel housing；On the lower positioning plate
Offer the through-hole passed through for positive coupling；The motor mounting plate is installed on the lower surface of lower positioning plate.
8. rear-end gear reduction clamp nut automatic tightening as claimed in claim 7 and mark rolling inspection assembly system, feature exist
In the workbench has two groups, is respectively arranged in the two sides of positioning mechanism；The workbench includes the vertical of side and positioning mechanism
The connected square steel frame of column, and the working plate being installed on square steel frame；The square steel frame is welded by several square steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910549202.4A CN110216459A (en) | 2019-06-24 | 2019-06-24 | A kind of rear-end gear reduction clamp nut automatic tightening and mark rolling inspection assembly system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910549202.4A CN110216459A (en) | 2019-06-24 | 2019-06-24 | A kind of rear-end gear reduction clamp nut automatic tightening and mark rolling inspection assembly system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110216459A true CN110216459A (en) | 2019-09-10 |
Family
ID=67814444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910549202.4A Pending CN110216459A (en) | 2019-06-24 | 2019-06-24 | A kind of rear-end gear reduction clamp nut automatic tightening and mark rolling inspection assembly system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110216459A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113427251A (en) * | 2021-07-08 | 2021-09-24 | 河南牛帕力学工程研究院 | Bolt tightening tool |
| CN113458766A (en) * | 2020-03-30 | 2021-10-01 | 广州汽车集团股份有限公司 | Bolt tightening device |
| CN113523753A (en) * | 2021-07-20 | 2021-10-22 | 李桂英 | Spirit level shell assembly machine for engineering measurement |
| CN115816052A (en) * | 2023-03-01 | 2023-03-21 | 无锡市耀杰机械有限公司 | Coupler concentricity correction device and correction method thereof |
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| CN101249608A (en) * | 2008-03-28 | 2008-08-27 | 合肥工业大学 | Vehicle main reducing gear pre-tighten device and pre-tighten method |
| CN101403651A (en) * | 2008-10-21 | 2009-04-08 | 安徽巨一自动化装备有限公司 | Screwing clearance-regulation detection and combination bench for vehicle main reducing gear |
| CN101758993A (en) * | 2008-10-31 | 2010-06-30 | 青特集团有限公司 | Assembly line of hand-pushed flexible main reducer assembly |
| CN205363214U (en) * | 2015-12-25 | 2016-07-06 | 昂华（上海）自动化工程股份有限公司 | Automatic device of screwing up of engine flywheel construction bolt |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101249608A (en) * | 2008-03-28 | 2008-08-27 | 合肥工业大学 | Vehicle main reducing gear pre-tighten device and pre-tighten method |
| CN101403651A (en) * | 2008-10-21 | 2009-04-08 | 安徽巨一自动化装备有限公司 | Screwing clearance-regulation detection and combination bench for vehicle main reducing gear |
| CN100582721C (en) * | 2008-10-21 | 2010-01-20 | 安徽巨一自动化装备有限公司 | Screwing and clearance adjusting assembling platform of automobile main reduction gear |
| CN101758993A (en) * | 2008-10-31 | 2010-06-30 | 青特集团有限公司 | Assembly line of hand-pushed flexible main reducer assembly |
| CN205363214U (en) * | 2015-12-25 | 2016-07-06 | 昂华（上海）自动化工程股份有限公司 | Automatic device of screwing up of engine flywheel construction bolt |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113458766A (en) * | 2020-03-30 | 2021-10-01 | 广州汽车集团股份有限公司 | Bolt tightening device |
| CN113427251A (en) * | 2021-07-08 | 2021-09-24 | 河南牛帕力学工程研究院 | Bolt tightening tool |
| CN113523753A (en) * | 2021-07-20 | 2021-10-22 | 李桂英 | Spirit level shell assembly machine for engineering measurement |
| CN115816052A (en) * | 2023-03-01 | 2023-03-21 | 无锡市耀杰机械有限公司 | Coupler concentricity correction device and correction method thereof |
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Application publication date: 20190910 |
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| RJ01 | Rejection of invention patent application after publication |