CN109404431A - A kind of adjustable safety shaft coupling - Google Patents
A kind of adjustable safety shaft coupling Download PDFInfo
- Publication number
- CN109404431A CN109404431A CN201811224573.7A CN201811224573A CN109404431A CN 109404431 A CN109404431 A CN 109404431A CN 201811224573 A CN201811224573 A CN 201811224573A CN 109404431 A CN109404431 A CN 109404431A
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- CN
- China
- Prior art keywords
- coupler
- screw
- adjusting set
- torque
- torque adjusting
- 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
Links
- 230000008878 coupling Effects 0.000 title claims abstract description 32
- 238000010168 coupling process Methods 0.000 title claims abstract description 32
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 32
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052802 copper Inorganic materials 0.000 claims abstract description 18
- 239000010949 copper Substances 0.000 claims abstract description 18
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000009347 mechanical transmission Effects 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/50—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive with the coupling parts connected by one or more intermediate members
Abstract
The present invention relates to a kind of adjustable safety shaft couplings, belong to mechanical transmission technical field.Technical solution is: wear-resisting copper sheathing (2) is assemblied on the first half a coupler (1), second half a coupler (3) and wear-resisting copper sheathing (2) frictional connection, torque adjusting set (4) is equipped with 0 ° of -360 ° of scale, the threaded one end of torque adjusting set (4) is connected on the second half a coupler (3), the other end of torque adjusting set (4) is matched with the taper of the second half a coupler (3), fixing sleeve (5) is fixed on the second half a coupler (3), and stop screw (7), instruction screw (8) and lock-screw (9) are threaded in respectively on fixing sleeve (5).The beneficial effects of the present invention are: transmitting torque by frictional force, hard and soft conversion can be realized according to different operating conditions rapidly and accurately setting limit torque value, and when safeguard protection acts on does not fail, and Overload Protection can be effectively performed.
Description
Technical field
The present invention relates to a kind of adjustable safety shaft couplings, belong to mechanical transmission technical field.
Background technique
Shaft coupling is the most common connecting component in engineering goods, and shaft coupling, will during transmitting torque and movement
The power of drive end is transmitted to driven end, and driven shaft and driving shaft is made to rotate jointly and transmit torque；Shaft coupling is with rigid shaft coupling
Based on device, be rigidly connected large carrying capacity, but impact resistance is small, during the work time, if load increases suddenly, is more than
Equipment ultimate torque often will cause off-axis, reduction gearbox beats the accidents such as tooth.Therefore, in the power drive system of high-speed overload,
In order to protect important parts not damaged, shaft coupling is needed to have the function of setting limit torque, when actual torque oversteps the extreme limit torsion
When square, safety component can fracture rapidly, separates or skid, and interrupt movement and the transmitting of power, and protection equipment is not damaged, rises
Safeguard protection effect.
Currently, the safe pin type safety coupling of application is more, two half a couplers of the safety coupling pass through safety pin
Connection, when the actual torque that it is born is greater than the ultimate torque that can bear of safety pin, safety pin is destroyed, can
Play the role of safeguard protection.But the ultimate torque of the safety coupling is the torque that safety pin is damaged, this torque is non-adjustable,
When safety pin, which shields, to be destroyed, entire shaft coupling is caused to fail, dismounting couplers is needed again to replace safety pin, peace
It is long to fill maintenance time, influences rhythm of production.
Summary of the invention
It is an object of the present invention to provide a kind of adjustable safety shaft couplings, transmit torque by frictional force, bearing capacity is high, can
According to different operating conditions rapidly and accurately setting limit torque value, hard and soft conversion is realized, and when safeguard protection acts on does not fail, and solves
The problem of background technique.
The technical scheme is that
A kind of adjustable safety shaft coupling comprising the first half a coupler, wear-resisting copper sheathing, the second half a coupler, torque adjusting set, is consolidated
Fixed set, stop screw, instruction screw and lock-screw, the front end of the first half a coupler with input terminal spline external tooth equipped with connecting
The rear end of spline internal tooth, the first half a coupler is equipped with the short axle with location hole, and wear-resisting copper sheathing is assemblied on the first half a coupler, the
Two half a couplers and wear-resisting copper sheathing frictional connection, the front end of the second half a coupler are equipped with the band keyway with the universal axis connection of output end
Ring flange, the rear end of the second half a coupler is equipped with the axle sleeve with location hole, and the second half a coupler of axle sleeve front is equipped with outer
Second half a coupler of screw thread, axle sleeve rear portion is pyramidal structure, and the threaded one end of torque adjusting set is connected to the second half a coupler
On, the other end of torque adjusting set is matched with the taper of the second half a coupler, and torque adjusting set is equipped with 0 ° of -360 ° of scale,
Fixing sleeve is fixed on the second half a coupler, and stop screw, instruction screw and lock-screw are threaded on fixing sleeve respectively.
The straight pin that the fixing sleeve is arranged by three at 120 ° is fixed on the second half a coupler.
Instruction screw on the fixing sleeve is equipped with the scale matched with 0 ° of -360 ° of scale in torque adjusting set and refers to
Timberline, lock-screw are held out against in torque adjusting set.
The taper knot of second half a coupler of external screw thread and axle sleeve rear portion on the second half a coupler of the axle sleeve front
It is provided with semi-circular recesses between structure, is provided with rectangle deep trouth in the pyramidal structure of second half a coupler at axle sleeve rear portion.
Using the present invention, pass through torque adjusting set setting limit torque value.It is motionless to be kept fixed set, screw-down torque is adjusted
Set makes torque adjusting set occur to be displaced to axial with the second half a coupler circular cone interference fit, obtains magnitude of interference and combination
Pressure, 0 ° -360 ° quarters of the stiction between the second half a coupler and wear-resisting copper sheathing for transmitting torque, in torque adjusting set
Degree can be interference fitted correlation theory according to friction connection sound transformation and displacement type circular cone, calculate the corresponding limit of different scales
Torque value.When transmitting torque less than setting limit torque, two half a couplers transmit torque without relative rotation, by frictional force；
When transmitting torque greater than setting limit torque, two half a couplers relatively rotate, skid, and play safeguard protection；It simultaneously can benefit
Two half a couplers are locked with stop screw, switch to positive coupling.
The beneficial effects of the present invention are: structure is simple and convenient to operate, the installation maintenance time is short, by frictional force transmission force
Square, bearing capacity are high, can realize hard and soft conversion, and safeguard protection according to different operating conditions rapidly and accurately setting limit torque value
It does not fail when effect, it is adaptable, Overload Protection can be effectively performed.
Detailed description of the invention
Fig. 1 is three dimensional structure diagram of the invention；
Fig. 2 is main view of the invention；
Fig. 3 is the A-A cross-sectional view of Fig. 2；
Fig. 4 is the second half a coupler structural schematic diagram of the invention；
Fig. 5 is the B-B cross-sectional view of Fig. 2；
Fig. 6 is top view of the invention；
Fig. 7 is the C-C cross-sectional view of Fig. 6.
In figure: the first half a coupler 1, wear-resisting copper sheathing 2, the second half a coupler 3, torque adjusting set 4, fixing sleeve 5, straight pin
6, stop screw 7, instruction screw 8, lock-screw 9, torque adjusting set 4 and the second half a coupler 3 are threadedly coupled part U, torque
3 taper interference coupling part V of adjusting set 4 and the second half a coupler.
Specific embodiment
Below in conjunction with attached drawing, by example, the invention will be further described.
Referring to attached drawing 1-7, a kind of adjustable safety shaft coupling includes the first half a coupler 1, wear-resisting copper sheathing 2, the second half
Axis device 3, torque adjusting set 4, fixing sleeve 5, stop screw 7, instruction screw 8 and lock-screw 9, the front end of the first half a coupler 1
Equipped with the spline internal tooth connecting with input terminal spline external tooth, the rear end of the first half a coupler 1 is equipped with the short axle with location hole, wear-resisting
Copper sheathing 2 is assemblied on the first half a coupler 1, the second half a coupler 3 and wear-resisting 2 frictional connection of copper sheathing, before the second half a coupler 3
End is equipped with the ring flange with keyway with the universal axis connection of output end, and the rear end of the second half a coupler 3 is equipped with the axis with location hole
Set, the second half a coupler 3 of axle sleeve front are equipped with external screw thread, and second half a coupler 3 at axle sleeve rear portion is pyramidal structure, torque
The threaded one end of adjusting set 4 is connected on the second half a coupler 3, the cone of the other end of torque adjusting set 4 and the second half a coupler 3
Shape matches, and torque adjusting set 4 is equipped with 0 ° of -360 ° of scale, and fixing sleeve 5 is fixed on the second half a coupler 3, stop screw 7,
Instruction screw 8 and lock-screw 9 are threaded in respectively on fixing sleeve 5.
Specific embodiment:
In the present embodiment, referring to Fig.1, Fig. 2, Fig. 3 and Fig. 4, the front end of the first half a coupler 1 is equipped with spline internal tooth, the first half
The front end of shaft coupling 1 is connect with input terminal spline external tooth, and the rear end of the first half a coupler 1 is equipped with the short axle with location hole；It is wear-resisting
Copper sheathing 2 is assemblied on the first half a coupler 1 by hot assembly, and wear-resisting copper sheathing 2 selects wear-resistant material, to increase its wearability；The
Two half a couplers 3 and wear-resisting 2 frictional connection of copper sheathing, the front end of the second half a coupler 3 are equipped with the ring flange with keyway, and the second half
The rear end of the front end of axis device 3 and the universal axis connection of output end, the second half a coupler 3 is equipped with the axle sleeve containing location hole, axle sleeve front
The second half a coupler 3 be equipped with external screw thread, second half a coupler 3 at axle sleeve rear portion is pyramidal structure, two parts before and after axle sleeve
Junction is provided with semi-circular recesses, while rectangle deep trouth is provided at the pyramidal structure at axle sleeve rear portion；The front end of torque adjusting set 4 is set
There is internal screw thread, the rear end of torque adjusting set 4 is pyramidal structure, and the outer round surface of torque adjusting set 4 is equipped with 0 ° of -360 ° of scale, turns round
The front end of square adjusting set 4 is connected with the nose threads of the second half a coupler 3, the rear end of torque adjusting set 4 and the second half a coupler 3
Rear end circular cone interference connection, form ultimate torque regulating mechanism；
Referring to Fig. 5, Fig. 6 and Fig. 7, fixing sleeve 5 is fixed on the second half a coupler 3 by three straight pins 6 for being mutually 120 °, is limited
The front end of position screw 7 is equipped with the cylindrical surface of certain chamfering, and rear end is equipped with external screw thread, and stop screw 7 is threaded in fixing sleeve 5
On, it is used for the hard and soft conversion of safety coupling；Indicate that the front end of screw 8 is equipped with graduation indication line, rear end is equipped with external screw thread, indicates spiral shell
Nail 8, which is connected through a screw thread, to be fixed on fixing sleeve 5, and the rotating scale of display square adjusting set 4 is used to indicate；Before lock-screw 9
End is equipped with external screw thread, and rear end is equipped with the cylindrical surface of certain chamfering, and lock-screw 9 is threadedly attached on fixing sleeve 5, for locking
Tight torque adjusting set 4, prevents during the work time, and the rotation of torque adjusting set 4 changes the limit torque value of setting.
Ultimate torque adjustment process are as follows: the adjusting of safety coupling ultimate torque is completed by torque adjusting set 4.Keep solid
Surely set 5 is motionless, is connected through a screw thread screw-down torque adjusting set 4, makes torque adjusting set 4 and the second half a coupler 3 that relative axle occur
To displacement, to obtain magnitude of interference, combination pressure is generated, pushes the pyramidal structure of 3 rear end of the second half a coupler, to wear-resisting copper
Set 2 applies normal pressures, transmits torque using the frictional force that frictional connection generates, different magnitude of interference correspond to different normal pressure with
And frictional force, the outer round surface of torque adjusting set 4 are equipped with scale, based on friction connection sound transformation basic principle and displacement type
Circular cone is interference fitted correlation theory, can pass through the corresponding limit torque value of the different scales of calculating.
In actual operation, the limit torque value that safety coupling is set by rotation torque adjusting set 4, tightens locking screw
Nail 9, makes its locking torque adjusting set 4, prevents torque adjusting set 4 from rotating the limit torque value for changing setting during the work time.
When transmitting torque and being less than setting limit torque, 1 shaft end of the first half a coupler and 3 sets of ends of the second half a coupler without relative rotation,
Torque is transmitted by frictional force；When transmitting torque and being greater than setting limit torque, 1 shaft end of the first half a coupler and the second half shaft couplings
3 sets of ends of device relatively rotate, skid, and play the role of safeguard protection；First half a coupler 1, the second half a coupler 3, wear-resisting copper simultaneously
Set 2, fixing sleeve 5 are equipped with through-hole, when 7 front end of stop screw is fully threaded into the first half a coupler through-hole, the first half shaft coupling of locking
The relative position of device, the second half a coupler, shaft coupling are positive coupling.
Claims (4)
1. a kind of adjustable safety shaft coupling, it is characterised in that include the first half a coupler (1), wear-resisting copper sheathing (2), the second half
Axis device (3), torque adjusting set (4), fixing sleeve (5), stop screw (7), instruction screw (8) and lock-screw (9), the first half
The front end of axis device (1) is equipped with the spline internal tooth connecting with input terminal spline external tooth, and it is fixed that the rear end of the first half a coupler (1) is equipped with band
The short axle in position hole, wear-resisting copper sheathing (2) are assemblied on the first half a coupler (1), and the second half a coupler (3) rubs with wear-resisting copper sheathing (2)
Wipe connection, the front end of the second half a coupler (3) is equipped with the ring flange with keyway with the universal axis connection of output end, the second half shaft couplings
The rear end of device (3) is equipped with the axle sleeve with location hole, and the second half a coupler (3) of axle sleeve front is equipped with external screw thread, axle sleeve rear portion
The second half a coupler (3) be pyramidal structure, the threaded one end of torque adjusting set (4) is connected on the second half a coupler (3), turns round
The other end of square adjusting set (4) is matched with the taper of the second half a coupler (3), and torque adjusting set (4) is equipped with 0 ° of -360 ° of quarter
Degree, fixing sleeve (5) are fixed on the second half a coupler (3), and stop screw (7), instruction screw (8) and lock-screw (9) are respectively
It is threaded on fixing sleeve (5).
2. a kind of adjustable safety shaft coupling according to claim 1, it is characterised in that the fixing sleeve (5) passes through three
The straight pin (6) arranged at 120 ° is fixed on the second half a coupler (3).
3. a kind of adjustable safety shaft coupling according to claim 1 or 2, it is characterised in that on the fixing sleeve (5)
Indicate that screw (8) are equipped with the graduation indication line matched with 0 ° of -360 ° of scale on torque adjusting set (4), lock-screw (9)
It holds out against on torque adjusting set (4).
4. a kind of adjustable safety shaft coupling according to claim 1, it is characterised in that the second the half of the axle sleeve front
Semi-circular recesses, axis are provided between the pyramidal structure of the second half a coupler (3) of external screw thread and axle sleeve rear portion on shaft coupling (3)
It covers and is provided with rectangle deep trouth in the pyramidal structure of second half a coupler (3) at rear portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811224573.7A CN109404431A (en) | 2018-10-19 | 2018-10-19 | A kind of adjustable safety shaft coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811224573.7A CN109404431A (en) | 2018-10-19 | 2018-10-19 | A kind of adjustable safety shaft coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109404431A true CN109404431A (en) | 2019-03-01 |
Family
ID=65467952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811224573.7A Pending CN109404431A (en) | 2018-10-19 | 2018-10-19 | A kind of adjustable safety shaft coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109404431A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111744988A (en) * | 2019-03-29 | 2020-10-09 | 宝山钢铁股份有限公司 | Adjusting disc type anti-skidding safety catcher device for hot rolling fine straightening machine |
| CN113682087A (en) * | 2021-08-30 | 2021-11-23 | 一汽解放汽车有限公司 | Torque input structure of drive axle and through drive axle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201318401Y (en) * | 2008-12-23 | 2009-09-30 | 二重集团（德阳）重型装备股份有限公司 | Coupling |
| CN203809525U (en) * | 2014-04-10 | 2014-09-03 | 江西铜业股份有限公司 | Expansion-sleeve-type shaft coupling for torque transmission by frictional force |
| CN204387143U (en) * | 2015-01-04 | 2015-06-10 | 山东征宙机械股份有限公司 | Strong fastening adjustable coupler |
| CN107524725A (en) * | 2017-07-28 | 2017-12-29 | 义乌市台荣超硬制品有限公司 | Conical friction piece shaft coupling |
| CN209100514U (en) * | 2018-10-19 | 2019-07-12 | 邯郸钢铁集团有限责任公司 | A kind of adjustable safety shaft coupling |
-
2018
- 2018-10-19 CN CN201811224573.7A patent/CN109404431A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201318401Y (en) * | 2008-12-23 | 2009-09-30 | 二重集团（德阳）重型装备股份有限公司 | Coupling |
| CN203809525U (en) * | 2014-04-10 | 2014-09-03 | 江西铜业股份有限公司 | Expansion-sleeve-type shaft coupling for torque transmission by frictional force |
| CN204387143U (en) * | 2015-01-04 | 2015-06-10 | 山东征宙机械股份有限公司 | Strong fastening adjustable coupler |
| CN107524725A (en) * | 2017-07-28 | 2017-12-29 | 义乌市台荣超硬制品有限公司 | Conical friction piece shaft coupling |
| CN209100514U (en) * | 2018-10-19 | 2019-07-12 | 邯郸钢铁集团有限责任公司 | A kind of adjustable safety shaft coupling |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111744988A (en) * | 2019-03-29 | 2020-10-09 | 宝山钢铁股份有限公司 | Adjusting disc type anti-skidding safety catcher device for hot rolling fine straightening machine |
| CN111744988B (en) * | 2019-03-29 | 2021-08-17 | 宝山钢铁股份有限公司 | Adjusting disc type anti-skidding safety catcher device for hot rolling fine straightening machine |
| CN113682087A (en) * | 2021-08-30 | 2021-11-23 | 一汽解放汽车有限公司 | Torque input structure of drive axle and through drive axle |
| CN113682087B (en) * | 2021-08-30 | 2024-01-09 | 一汽解放汽车有限公司 | Torque input structure of drive axle and through drive axle |
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