CN106378745A - Falling stop device for assembly of spline shaft - Google Patents
Falling stop device for assembly of spline shaft Download PDFInfo
- Publication number
- CN106378745A CN106378745A CN201610804870.3A CN201610804870A CN106378745A CN 106378745 A CN106378745 A CN 106378745A CN 201610804870 A CN201610804870 A CN 201610804870A CN 106378745 A CN106378745 A CN 106378745A
- Authority
- CN
- China
- Prior art keywords
- jaw
- seat
- splined shaft
- compression spring
- ring type
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
Abstract
The invention discloses a falling stop device for assembly of a spline shaft. The falling stop device comprises a flange type nylon seat mounted on the spline shaft in a sleeving manner, wherein a circular ring type clamping jaw seat is fixed to the flange type nylon seat; at least two clamping jaws are uniformly distributed on the circular ring type clamping jaw seat in the circumferential direction; circular holes with the same number of the clamping jaws are uniformly formed in the flange type nylon seat in the circumferential direction; pressure springs are inserted in the circular holes; the clamping jaws are bent rod-shaped; bent parts of the clamping jaws are hinged to the circular ring type clamping jaw seat; guide bolts are arranged at the tail parts of the clamping jaws; one ends of the pressure springs are embedded in the circular holes; the other ends of the pressure springs sleeve the guide bolts; pressing blocks with thread lines are fixed to the head parts of the clamping jaws through threaded connection; and the precompression at the tail ends of the clamping jaws is larger than the minimum load of the pressure springs, so that the pressing blocks at the head parts of the clamping jaws have clamping force pressing a threaded shaft head of the spline shaft. According to the invention, the falling stop device is safe and reliable during the assembly process of the spline shaft, the labor intensity is reduced, and potential safety hazards are eliminated.
Description
Technical field
The present invention relates to a kind of frock for splined shaft assembling, more particularly, to a kind of falling stop dress for splined shaft assembling
Put.
Background technology
At present, in automobile industry, threaded splined shaft, in assembling process, completes the anti-fall measure of splined shaft such as
Shown in Fig. 1, first it is enclosed within splined shaft 20 with nylon frock 10 and falls on bearing block 30, then splined shaft nut 40 is screwed in flower
On the screw thread spindle nose 50 of key axle 20, to ensure that splined shaft 20 will not fall down before upper bearing (metal) inner ring press-fits, and smoothly reach
Bearing inner race press station.Have an accident to ensure splined shaft 20 will not surprisingly fall, typically manually by splined shaft
Nut 40 is screwed on the screw thread spindle nose 50 of splined shaft 20 and is at least screwed into 2-3 circle, but by manually slightly twisting splined shaft nut 40, nut
The precession number of turns be difficult to control to so that threaded be possible to unreliable, and high labor intensive, efficiency is low, impact production line
Personnel depaly and beat.
Content of the invention
For defect present in prior art, the present invention provides a kind of splined shaft applied in general assembly technology to stop
Pendant frock.Can ensure accurately to put in place during splined shaft suit, prevent from falling using the present invention, the assembling process of splined shaft
In safe and reliable, efficiency high, alleviate labour intensity simultaneously, eliminate potential safety hazard.
In order to solve above-mentioned technical problem, a kind of falling stop device for splined shaft assembling proposed by the present invention, including set
It is contained in the flange form nylon seat on splined shaft, described flange form nylon is located on bearing block, solid on described flange form nylon seat
Surely there is circular ring type jaw seat, on described circular ring type jaw seat, be evenly distributed at least two jaws；Described flange form nylon seat
Above, it has been evenly distributed and jaw number identical circular hole, in described circular hole, be fitted with a compression spring；Described jaw is in knee
Shape, the crooked position of described jaw is hinged with described circular ring type jaw seat, and the afterbody of described jaw is provided with a guider screw, described
The axial direction of guider screw is axially coincident with described circular hole, and one end of described compression spring is embedded in described circular hole, described pressure
The other end of spring is enclosed within described guider screw, and the head of described jaw is threaded connection and is fixed with one and is threaded line
Briquetting, the threaded line on described briquetting is coordinated with the screw thread spindle nose of splined shaft；Hinge between described jaw and circular ring type jaw seat
Contact is the moving fulcrum of jaw, is more than the minimum load of this compression spring positioned at the precompression of the compression spring of jaw tail end,
The briquetting positioned at jaw head is made to obtain the clamping force of a screw thread spindle nose pressing to splined shaft.
Further, fixed using multiple mode connects for screws between described circular ring type jaw seat and described flange form nylon seat.
On described jaw tail end, it is provided with the counterbore coaxial with guider screw, described counterbore towards the side of compression spring
Internal diameter be more than compression spring turn external diameter.
Contact surface between the screw thread spindle nose of described briquetting and described splined shaft is curved surface, and described threaded line is arranged on described
On curved surface.
Compared with prior art, the invention has the beneficial effects as follows：
1st, present configuration design is ingenious, rational in infrastructure simple, substantially without maintenance, and simple to operate, efficiency high；
When the 2nd, using apparatus of the present invention that splined shaft is installed, only need operator to press and be arranged on circular ring type jaw seat periphery
Briquetting can will be greatly reduced the labour intensity of operator；
3rd, the present invention adopts self-lock mechanism, its reliable clamping, eliminates potential safety hazard；
4th, precompression when compression spring is installed by the present invention is as power, cleanliness without any pollution.
Brief description
Fig. 1 is the structural representation of the splined shaft anti-fall frock working condition employed in conventional art；
Fig. 2 is used for the structural representation of the falling stop working state of device of splined shaft assembling for the present invention.
In figure：1- briquetting, 2- jaw, 3- jaw seat, 4- nylon seat, 5- compression spring, 6,11 screws, 7- bearing pin, 8- pad
Piece, 9- split pin, 12- guider screw, 10- nylon frock, 20- splined shaft, 30- bearing block, 40- splined shaft nut, 50- screw thread
Spindle nose.
Specific embodiment
With specific embodiment, technical solution of the present invention is described in further detail below in conjunction with the accompanying drawings, described is concrete
Embodiment only explains to the present invention, not in order to limit the present invention.
As shown in Fig. 2 a kind of falling stop device for splined shaft assembling proposed by the present invention, including being sleeved on splined shaft 20
On flange form nylon seat 4, during use, described flange form nylon seat 4 falls on bearing block 30.On described flange form nylon seat 4
It is fixed with circular ring type jaw seat 3, adopt multiple screws 11 between described circular ring type jaw seat 3 and described flange form nylon seat 4 even
Connect fixation.
On described circular ring type jaw seat 3, it has been evenly distributed at least two jaws 2, in Fig. 2, shown that there are two jaws
2 structure；On described flange form nylon seat 4, it has been evenly distributed and jaw 2 number identical circular hole, plug-in mounting in described circular hole
There is a compression spring 5；Described jaw 2 is in knee shape, and the crooked position of described jaw 2 is hinged with described circular ring type jaw seat 3, that is,
It is hinged on the circumference of jaw seat 3 by bearing pin 7, pad 8 and split pin 9, the afterbody of described jaw 2 is provided with a guider screw
12, the axial direction of described guider screw 12 is axially coincident with described circular hole, and one end of described compression spring 5 is embedded in described circular hole
Interior, the other end of described compression spring 5 is enclosed within described guider screw 12, certainly, for stablizing of compression spring 5 position,
On described jaw 2 tail end, it is preferably provided with the counterbore coaxial with guider screw 12 towards the side of compression spring 5, described counterbore
Internal diameter is more than the turn external diameter of compression spring 5, and in the present invention, the afterbody depended on pressure spring 5 of described jaw 2 is supported on nylon seat
4 middle part.
The head of described jaw 2 is fixedly connected with a briquetting 1 being threaded line, the spiral shell on described briquetting 1 by screw 6
Streakline is coordinated with the screw thread spindle nose 50 of splined shaft 20, i.e. connecing between described briquetting 1 and the screw thread spindle nose 50 of described splined shaft 20
Contacting surface is curved surface, and described threaded line is arranged on described curved surface, and the pin joint between described jaw 2 and circular ring type jaw seat 3 is
The moving fulcrum of jaw 2, is more than the minimum load of this compression spring 5, makes positioned at the precompression of the compression spring 5 of jaw 2 tail end
Obtain the clamping force of a screw thread spindle nose 50 pressing to splined shaft 20 positioned at the briquetting 1 of jaw 2 head.During use, the briquetting 1 on both sides
Obvolvent, screw thread spindle nose 50 is clamped by described briquetting.
The falling stop device that the present invention is used for splined shaft assembling is achieved in the following ways：
Pass through screw 11 mounting circular ring formula jaw seat 3 on flange form nylon seat 4, in described circular ring type jaw seat 3 circumference
Upper uniformly two jaws 2 of installation, described jaw 2 obtains clamping force by the precompression of compression spring 5, when the suit of splined shaft moves
After the completion of work, the invention device that the present invention has been connected as one passes through flange form nylon seat 4 and circular ring type jaw seat 3 is enclosed within
On splined shaft 20, along axially downwardly pressing of splined shaft 20, with pressing, screw thread spindle nose 50 part of splined shaft 20 is by briquetting 1
Extrude laterally, described briquetting 1 is subject to outside power, so that compression spring 5 is compressed, thus jaw 2 rotates along bearing pin 7, two pressures
Block 1 opening becomes big, and splined shaft is penetrated, and pressure is passed to briquetting 1 by jaw 2 by compression spring 5, and described briquetting 1 is pressed in flower
On the screw thread spindle nose 50 of key axle 20, because briquetting 1 Surface Machining has threaded line, in the presence of jaw afterbody compression spring 5, pressure
The external screw thread of the threaded line on block 1 surface and screw thread spindle nose 50 is fitted close, when splined shaft 20 to fall when, screw thread spindle nose 50 with
Two briquettings 1 move downward around with the jaw fulcrum (i.e. bearing pin 7) being connected respectively, and the distance between two briquettings 1 are less, to flower
The clamping force of key axle 20 is bigger, thus producing the tight effect of self-locking clip.When splined shaft 20 reaches predeterminated position, both hands are from both sides
The jaw 2 under intermediate pressure, two briquetting 1 spacing become big, you can take out apparatus of the present invention, send back to and use for subsequent cycle.
There is the device of present configuration feature, in use need not manual tightening technique nut come to realize falling stop move
Make, by automatic falling stop slip-off preventing can be realized by action under simply, mitigate operator's labour intensity；Briquetting 1 in the present invention
The screw thread spindle nose 50 being pressed in splined shaft 20 is partly gone up, when splined shaft 20 is to whereabouts, by the pressure between briquetting 1 and screw thread spindle nose 50
The produced frictional force of power makes briquetting 1 move downward around the rotating fulcrum of jaw 2, makes the distance between two briquettings 1 less, to spline
The clamping force of axle 20 is bigger, thus producing the tight effect of self-locking clip, has prevented potential safety hazard；
Although above in conjunction with accompanying drawing, invention has been described, the invention is not limited in above-mentioned being embodied as
Mode, above-mentioned specific embodiment is only schematically, rather than restricted, and those of ordinary skill in the art is at this
Under the enlightenment of invention, without deviating from the spirit of the invention, many variations can also be made, these belong to the present invention's
Within protection.
Claims (4)
1. a kind of falling stop device for splined shaft assembling, including the flange form nylon seat (4) being sleeved on splined shaft (20), institute
State flange form nylon seat (4) fall bearing block (30) upper it is characterised in that：
Circular ring type jaw seat (3) is fixed with described flange form nylon seat (4), described circular ring type jaw seat (3) is upper, circumferentially equal
It is furnished with least two jaws (2)；Described flange form nylon seat (4) is upper, be evenly distributed and jaw (2) number identical is justified
Hole, is fitted with a compression spring (5) in described circular hole；Described jaw (2) be in knee shape, the crooked position of described jaw (2) with
Described circular ring type jaw seat (3) is hinged, and the afterbody of described jaw (2) is provided with a guider screw (12), described guider screw (12)
Axial direction and described circular hole axially coincident, one end of described compression spring (5) is embedded in described circular hole, described compression spring
(5) the other end is enclosed within described guider screw (12), and the head of described jaw (2) is threaded connection and is fixed with one with spiral shell
The briquetting (1) of streakline, the threaded line on described briquetting (1) is coordinated with the screw thread spindle nose (50) of splined shaft (20)；
Pin joint between described jaw (2) and circular ring type jaw seat (3) is the moving fulcrum of jaw (2), positioned at jaw (2) tail
The precompression of the compression spring (5) at end is more than the minimum load of this compression spring (5), makes the briquetting (1) positioned at jaw (2) head
Obtain the clamping force of a screw thread spindle nose (50) pressing to splined shaft (20).
2. according to claim 1 be used for splined shaft assembling falling stop device it is characterised in that：Described circular ring type jaw seat
(3) it is connected using multiple screws (11) and described flange form nylon seat (4) between.
3. according to claim 1 be used for splined shaft assembling falling stop device it is characterised in that：On described jaw (2) tail end,
Side towards compression spring (5) is provided with the counterbore coaxial with guider screw (12), and the internal diameter of described counterbore is more than compression spring
(5) turn external diameter.
4. according to claim 1 be used for splined shaft assembling falling stop device it is characterised in that：Described briquetting (1) with described
Contact surface between the screw thread spindle nose (50) of splined shaft (20) is curved surface, and described threaded line is arranged on described curved surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610804870.3A CN106378745B (en) | 2016-09-06 | 2016-09-06 | A kind of falling stop device for splined shaft assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610804870.3A CN106378745B (en) | 2016-09-06 | 2016-09-06 | A kind of falling stop device for splined shaft assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106378745A true CN106378745A (en) | 2017-02-08 |
| CN106378745B CN106378745B (en) | 2018-09-07 |
Family
ID=57938977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610804870.3A Active CN106378745B (en) | 2016-09-06 | 2016-09-06 | A kind of falling stop device for splined shaft assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106378745B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110411757A (en) * | 2019-07-30 | 2019-11-05 | 安徽江淮汽车集团股份有限公司 | Spindle nose dynamic load calculation method, device, equipment and storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU664759A1 (en) * | 1977-12-07 | 1979-05-30 | Киевский Ордена Ленина Политехнический Институт Им. 50-Летия Великой Октябрьской Социалистической Революции | Collet chuck |
| JPS61236441A (en) * | 1985-04-11 | 1986-10-21 | Fuji Heavy Ind Ltd | Method of fabricating movable sheave in pulley device for stepless speed change gear, and attaching device used therefor |
| CN201385225Y (en) * | 2009-04-01 | 2010-01-20 | 大连机床集团有限责任公司 | Chuck-type centering clamping device |
| CN202032971U (en) * | 2010-12-10 | 2011-11-09 | 随州市环宇汽车传动轴有限公司 | Detection device for spline shaft |
| CN205520407U (en) * | 2016-02-03 | 2016-08-31 | 无锡博实自动输送系统有限公司 | Spline tooth cover counterpoint press |
-
2016
- 2016-09-06 CN CN201610804870.3A patent/CN106378745B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU664759A1 (en) * | 1977-12-07 | 1979-05-30 | Киевский Ордена Ленина Политехнический Институт Им. 50-Летия Великой Октябрьской Социалистической Революции | Collet chuck |
| JPS61236441A (en) * | 1985-04-11 | 1986-10-21 | Fuji Heavy Ind Ltd | Method of fabricating movable sheave in pulley device for stepless speed change gear, and attaching device used therefor |
| CN201385225Y (en) * | 2009-04-01 | 2010-01-20 | 大连机床集团有限责任公司 | Chuck-type centering clamping device |
| CN202032971U (en) * | 2010-12-10 | 2011-11-09 | 随州市环宇汽车传动轴有限公司 | Detection device for spline shaft |
| CN205520407U (en) * | 2016-02-03 | 2016-08-31 | 无锡博实自动输送系统有限公司 | Spline tooth cover counterpoint press |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110411757A (en) * | 2019-07-30 | 2019-11-05 | 安徽江淮汽车集团股份有限公司 | Spindle nose dynamic load calculation method, device, equipment and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106378745B (en) | 2018-09-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| CB02 | Change of applicant information |
Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant before: Anhui Jianghuai Automotive Co., Ltd. |
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| COR | Change of bibliographic data | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |