CN104368962B - A kind of drive shaft locking nut fastening special tooling - Google Patents
A kind of drive shaft locking nut fastening special tooling Download PDFInfo
- Publication number
- CN104368962B CN104368962B CN201310562817.3A CN201310562817A CN104368962B CN 104368962 B CN104368962 B CN 104368962B CN 201310562817 A CN201310562817 A CN 201310562817A CN 104368962 B CN104368962 B CN 104368962B
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- China
- Prior art keywords
- substrate
- limited block
- drive shaft
- baffle plate
- locking nut
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Classifications
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a kind of drive shaft locking nut fastening special tooling, including substrate and the baffle plate being located at substrate homonymy two ends, it is positioned on the baffle plate at substrate two ends and is respectively fixed with cylinder, two cylinders connect with a cylinder controller simultaneously, the output shaft of two cylinders is coaxial and center towards substrate, it is respectively fixed with limited block on the output shaft of two cylinders, the bottom surface of limited block is plane, the end face of limited block is that the bottom surface of limited block is provided with friction plate from outer end to connecting end acclivitous inclined-plane.Limited block produces vertical component and acts on friction plate after being held out against by cylinder, make together with friction plate fits tightly with brake disc, friction plate braking with locked wheels dish so that cannot relatively rotate between brake disc and caliper, the most just can easily fasten drive shaft locking nut.Therefore, the present invention has easy to use, and efficiency of assembling is high, operates more laborsaving, will not damage the beneficial effect of boss bolt.
Description
Technical field
The present invention relates to automobile assembling technical field, particularly relate to a kind of drive shaft locking nut fastening special tooling.
Background technology
The most common automotive brake generally comprises brake disc and caliper, the centre of brake disc is drive shaft, drive shaft is connected through brake center and brake are fixing, assembling when, need to be screwed into drive shaft locking nut on the driving shaft, or during brake service, drive shaft locking nut unloads and is also required to afterwards reinstall up, but stubborn drive shaft locking nut when, driving dish can rotate together along with drive shaft and cause completing assembling work, thus affects assembling quality.It is the most all that the side of brake is pressed on the ground, thus prevents drive shaft from rotating in caliper, the most just can be driven axle nut and surely turn round.This kind of method is seriously limited by place, assembling and maintenance to driver are made troubles, installing or overhaul efficiency is the lowest, brake disc contacts with ground and brake disc periphery can be caused to knock damage cause out-of-flatness etc., it is clear that this kind of method serious non-compliance Human Engineering theory.
Chinese patent Authorization Notice No.: CN201769041U, authorized announcement date on March 23rd, 2011, disclose a kind of locknut tightening assistant tool for driving shaft of automobile brake, it includes a handle and the position-arresting disk being fixedly linked with handle one end, position-arresting disk is provided with locking nut trepanning and bolt position limiting structure, bolt position limiting structure includes two U-shaped structures, the axis of symmetry of the U-shaped of two U-shaped structures overlaps, and with a diameter conllinear of locking nut trepanning, two U-shaped structures are relatively arranged on the two ends of this diameter.Simple in construction is light and handy, operation location efficient quick, low cost easy to manufacture, the problem that when can effectively solve to fasten drive shaft locking nut on auto production line, rotation is followed in brake.The when of using this kind of aid, need the hands handle of this instrument of left-handed, right hand gripping torque wrench is tightened drive shaft locking nut and is carried out determining torsion operation, and drive shaft locking nut needs the biggest power to lock, and left hand, power on the right hand is active force and counteracting force, both hands all can be by the biggest active force, fatigue strength is big, when both hands gripping handle without foundation or torque wrench, therefore the active force being provided that due to the shortage strong point is little, perhaps drive shaft locking nut can be normally tightened time incipient, time is easily generated fatigue and causes tightening drive shaft locking nut after slightly growing, and two U-shaped structures are spacing with by the boss bolt in brake disc during turning, on the stud of boss bolt, radial force can cause thread damage.
Summary of the invention
The present invention is in order to overcome drive shaft locking nut tightening assistant tool of the prior art in use, operator is easily generated fatigue and affects efficiency of assembling, the most also can damage the deficiency of boss bolt screw thread, provide a kind of easy to use, efficiency of assembling is high, operate more laborsaving, the drive shaft locking nut fastening special tooling of boss bolt will not be damaged.
To achieve these goals, the present invention adopts the following technical scheme that
A kind of drive shaft locking nut fastening special tooling, including substrate and the baffle plate being located at substrate homonymy two ends, it is positioned on the baffle plate at substrate two ends and is respectively fixed with cylinder, two cylinders connect with a cylinder controller simultaneously, the output shaft of two cylinders is coaxial and center towards substrate, it is respectively fixed with limited block on the output shaft of two cylinders, the bottom surface of described limited block is plane, the end face of limited block is that the bottom surface of described limited block is provided with friction plate from outer end to connecting end acclivitous inclined-plane.The head of limited block is wedge shaped, the head of two limited blocks is stuck at the two ends of caliper in the gap of brake block and brake disc, friction plate and brake disc, then control two cylinder output shafts by cylinder controller to stretch out simultaneously, make to hold out against with brake block on the upside of the head of limited block, friction plate compresses laminating with brake disc, so prevent from brake disc to rotate, then drive shaft locking nut is tightened by spanner, after drive shaft locking nut screwing, cylinder output shaft retraction is made by cylinder controller, frock can be taken off, whole process is very convenient, laborsaving, efficiency of assembling is high, frock is contactless with boss bolt, boss bolt will not be damaged.
As preferably, the L-shaped structure in cross section of described baffle plate, wherein a lateral surface is connected with baseplate-laminating, and another medial surface is fixing with cylinder to be connected.The baffle plate bonding strength of L-shaped structure is big, after cylinder output shaft stretches out, can bear the biggest support force.
As preferably, being connected by rotating shaft between described baffle plate and substrate, described substrate is provided with arcuate socket, and described baffle plate is provided with caging bolt with the joint face of substrate, and the outer end of caging bolt is through arcuate socket and passes through nut check.Owing to the two ends of caliper are generally not parallel, general the most all and in the angle between 20 ° to 40 °, baffle plate can rotate in certain scope around rotating shaft, therefore can be according to the angle of the angle controllable register at caliper two ends, the head making two limited blocks is the most vertical with the two ends of caliper, now limited block is maximum with brake block contact surface, after cylinder output shaft stretches out, limited block uniform force, stable, the pressure result of rubbing surface reaches optimal, therefore this kind of frock can be suitable for different types of brake use, highly versatile.
As preferably, coefficient of friction >=0.42 between described friction plate and brake disc.In national standard, the coefficient of friction between brake block and brake disc is between 0.35-0.40, this scope makes brake block i.e. will not lose efficacy also will not braking with locked wheels dish, after the coefficient of friction of friction plate is more than 0.40, can guarantee that by friction plate braking with locked wheels dish after vertical active force, so that brake disc cannot rotate, it is simple to tighten drive shaft locking nut.
As preferably, the middle part of substrate is provided with pin-and-hole, is provided with alignment pin in described pin-and-hole.When the active force of two bracers is all vertical with the two ends of caliper, the counteracting force that two bracers receive not is an equilibrant, the most whole substrate can offset to disc centres, in order to prevent this skew, now alignment pin is inserted in hole, location, the head of alignment pin just snaps in inside caliper with in the boss gap in brake disc, thus provides outside active force with making a concerted effort that two bracers of balance are subject to for whole substrate.
As preferably, the two ends of substrate are cased with rubber protecting jacket respectively, and described rubber protecting jacket together envelopes baffle plate, cylinder.Rubber protecting jacket gets up the claddings such as the lower end of baffle plate, cylinder, and the lower end of anti-baffle plate or the various edges and corners of cylinder contact with driving dish and knock the rubbing surface of damage driving dish.
As preferably, on described substrate, the opposite flank with baffle plate is provided with handrail.Handrail is easy to the installation and removal of whole frock.
Therefore, the present invention has easy to use, and efficiency of assembling is high, operates more laborsaving, will not damage the beneficial effect of boss bolt.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention.
Fig. 2 is the side structure schematic diagram of the present invention.
In figure: substrate 1 baffle plate 2 cylinder 3 limited block 4 friction plate 5 rotating shaft 6 arcuate socket 7 caging bolt 8 nut 9 brake disc 10 pin-and-hole 11 alignment pin 12 rubber protecting jacket 13 handrail 14 caliper 15 drive shaft 16 boss bolt 17 brake block 18.
Detailed description of the invention
The invention will be further described with detailed description of the invention below in conjunction with the accompanying drawings:
nullAs Fig. 1 and Fig. 2 one drive shaft locking nut fastens special tooling，Including substrate 1 and the baffle plate 2 being located at substrate homonymy two ends，On substrate 1, the opposite flank with baffle plate is provided with handrail 14，The L-shaped structure in cross section of baffle plate 2，Wherein a lateral surface is fitted and connected with substrate 1，Another medial surface is fixing with cylinder 3 to be connected，Two cylinders connect with a cylinder controller simultaneously，It is easy to control two cylinder synchronization telescopes simultaneously，The output shaft of two cylinders 3 is coaxial and center towards substrate，Limited block 4 it is respectively fixed with on the output shaft of two cylinders，The wedge shaped structure of limited block，The bottom surface of limited block 4 is plane，The end face of limited block 4 is to connecting the acclivitous inclined-plane of end from outer end，The head wedge structure of limited block can snap in gap small between friction plate and brake disc，The bottom surface of limited block 4 is provided with friction plate 5，Coefficient of friction >=0.42 between friction plate 5 and brake disc 10，In the present embodiment，Coefficient of friction between friction plate 5 and brake disc 10 is 0.45，Can guarantee that by friction plate braking with locked wheels dish after vertical active force，So that brake disc cannot rotate，It is easy to tighten drive shaft locking nut；The two ends of substrate 1 are cased with rubber protecting jacket 13 respectively; rubber protecting jacket together envelopes baffle plate, cylinder; rubber protecting jacket gets up the claddings such as the lower end of baffle plate, cylinder, and the lower end of anti-baffle plate or the various edges and corners of cylinder contact with driving dish and knock the rubbing surface of damage driving dish.
Being connected by rotating shaft 6 between baffle plate 2 with substrate 1, substrate is provided with arcuate socket 7, and baffle plate 2 is provided with caging bolt 8 with the joint face of substrate 1, and the outer end of caging bolt is locked through arcuate socket and by nut 9.Owing to the two ends of caliper are generally not parallel, general the most all and in the angle between 20 ° to 40 °, baffle plate can rotate in certain scope around rotating shaft, therefore can be according to the angle of the angle controllable register at caliper two ends, the head making two limited blocks is the most vertical with the two ends of caliper, now limited block is maximum with brake block contact surface, after cylinder output shaft stretches out, limited block uniform force, stable, the pressure result of rubbing surface reaches optimal, therefore this kind of frock can be suitable for different types of brake use, highly versatile；The middle part of substrate 1 is provided with pin-and-hole 11, alignment pin 12 it is provided with in pin-and-hole 11, when the active force of two bracers is all vertical with the two ends of caliper, the counteracting force that two bracers receive not is an equilibrant, the most whole substrate can offset to disc centres, in order to prevent this skew, now alignment pin is inserted in hole, location, the head of alignment pin just snaps in inside caliper with in the boss gap in brake disc, thus provides outside active force with making a concerted effort that two bracers of balance are subject to for whole substrate.
In conjunction with accompanying drawing, the using method of the present invention is as follows: control cylinder output shaft retraction by cylinder controller, nut 9 unclamps with caging bolt 8, then the limited block on two cylinders is stuck in caliper two ends, friction plate is fitted with brake disc surface, insert alignment pin 12, make alignment pin be stuck in inside caliper with in the boss gap in brake disc, control cylinder output shaft by cylinder controller again to stretch out, in now the wedge structure of limited block head snaps in the gap between friction plate and brake disc, baffle plate also rotates along with the stress of limited block, make on the upside of the head of limited block as far as possible with the EDGE CONTACT of friction plate, then fastening nut 9, now hold tightly because of the effect of friction plate between brake disc and caliper, locked, cannot relatively rotate, finally can fasten drive shaft locking nut easily.During whole, frock contacts all without with boss bolt, will not damage boss bolt.Therefore, the present invention has easy to use, and efficiency of assembling is high, operates more laborsaving, will not damage the beneficial effect of boss bolt.
Claims (5)
1. a drive shaft locking nut fastening special tooling, it is characterized in that, including substrate (1) and the baffle plate (2) that is located at substrate homonymy two ends, it is positioned on the baffle plate at substrate two ends and is respectively fixed with cylinder (3), two cylinders connect with a cylinder controller simultaneously, the output shaft of two cylinders (3) is coaxial and center towards substrate, limited block (4) it is respectively fixed with on the output shaft of two cylinders, the bottom surface of described limited block (4) is plane, the end face of limited block (4) is to connecting the acclivitous inclined-plane of end from outer end, the bottom surface of described limited block (4) is provided with friction plate (5)；The L-shaped structure in cross section of described baffle plate (2), wherein a lateral surface is fitted and connected with substrate (1), and another medial surface is fixing with cylinder (3) to be connected；It is connected by rotating shaft (6) between described baffle plate (2) and substrate (1), described substrate is provided with arcuate socket (7), described baffle plate (2) is provided with caging bolt (8) with the joint face of substrate (1), and the outer end of caging bolt is locked through arcuate socket and by nut (9).
A kind of drive shaft locking nut fastening special tooling the most according to claim 1, is characterized in that, coefficient of friction >=0.42 between described friction plate (5) and brake disc (10).
A kind of drive shaft locking nut fastening special tooling the most according to claim 1, is characterized in that, the middle part of substrate (1) is provided with pin-and-hole (11), is provided with alignment pin (12) in described pin-and-hole (11).
A kind of drive shaft locking nut fastening special tooling the most according to claim 1, is characterized in that, the two ends of substrate (1) are cased with rubber protecting jacket (13) respectively, and described rubber protecting jacket together envelopes baffle plate, cylinder.
A kind of drive shaft locking nut fastening special tooling the most according to claim 1, is characterized in that, upper and baffle plate the opposite flank of described substrate (1) is provided with handrail (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310562817.3A CN104368962B (en) | 2013-11-14 | 2013-11-14 | A kind of drive shaft locking nut fastening special tooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310562817.3A CN104368962B (en) | 2013-11-14 | 2013-11-14 | A kind of drive shaft locking nut fastening special tooling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104368962A CN104368962A (en) | 2015-02-25 |
| CN104368962B true CN104368962B (en) | 2016-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310562817.3A Expired - Fee Related CN104368962B (en) | 2013-11-14 | 2013-11-14 | A kind of drive shaft locking nut fastening special tooling |
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| Country | Link |
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| CN (1) | CN104368962B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110962054B (en) * | 2018-09-29 | 2021-08-20 | 宁波方太厨具有限公司 | Screw beating tool |
| CN110125637B (en) * | 2019-05-23 | 2024-02-02 | 中山华粹智能装备有限公司 | Magnetic attraction sheet transfer device |
| EP3835601B1 (en) | 2019-12-13 | 2023-11-15 | Ningbo Geely Automobile Research & Development Co. Ltd. | A releasable fastening device and a method for operating a releasable fastening device |
| CN112268084B (en) * | 2020-10-22 | 2022-05-10 | 温州神一轴业股份有限公司 | Drive shaft with powerful positioning locking mechanism |
| CN113146235B (en) * | 2021-04-16 | 2023-02-28 | 贵州航天电子科技有限公司 | Revolving stage is used in work piece assembly |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010179415A (en) * | 2009-02-05 | 2010-08-19 | Honda Motor Co Ltd | Tool exchange mechanism |
| CN201399657Y (en) * | 2009-03-30 | 2010-02-10 | 安徽合叉叉车有限公司 | Special flexible simple welding equipment |
| CN201769041U (en) * | 2010-08-17 | 2011-03-23 | 湖南吉利汽车部件有限公司 | Locknut tightening assistant tool for driving shaft of automobile brake |
| CN202716042U (en) * | 2012-07-31 | 2013-02-06 | 常州星宇车灯股份有限公司 | Automatic bearing assembly device |
| CN202877915U (en) * | 2012-09-20 | 2013-04-17 | 中车集团沈阳汽车车桥制造有限公司 | Pneumatic slope-slipping type ancillary shoring |
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2013
- 2013-11-14 CN CN201310562817.3A patent/CN104368962B/en not_active Expired - Fee Related
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| CN104368962A (en) | 2015-02-25 |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 315800 Zhejiang city of Ningbo Province Economic and Technological Development Zone Xinqi street Mt. Hengshan Road No. 1528 Applicant after: Zhejiang Geely Automobile Co., Ltd. Applicant after: Zhejiang Jirun Automobile Co., Ltd. Applicant after: Zhejiang Geely Holding Group Co., Ltd. Address before: 310051 Jiangling Road, Hangzhou, Zhejiang, No. 1760, No. Applicant before: Zhejiang Geely Holding Group Co., Ltd. Applicant before: Zhejiang Geely Automobile Co., Ltd. Applicant before: Zhejiang Jirun Automobile Co., Ltd. |
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| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 310051 HANGZHOU, ZHEJIANG PROVINCE TO: 315800 NINGBO, ZHEJIANG PROVINCE Free format text: CORRECT: APPLICANT; FROM: ZHEJIANG GEELY AUTOMOBILE CO., LTD. ZHEJIANG GEELY AUTOMOBILE HOLDINGS LTD. TO: ZHEJIANG GEELY AUTOMOBILE HOLDINGS LTD. ZHEJIANG GEELY AUTOMOBILE RESEARCH INSTITUTE CO., LTD. Free format text: CORRECT: APPLICANT; FROM: ZHEJIANG GEELY AUTOMOBILE RESEARCH INSTITUTE CO., LTD. TO: ZHEJIANG GEELY AUTOMOBILE CO., LTD. |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161005 Termination date: 20191114 |