CN201575082U - Sliding block type coupling - Google Patents
Sliding block type coupling Download PDFInfo
- Publication number
- CN201575082U CN201575082U CN2009203522065U CN200920352206U CN201575082U CN 201575082 U CN201575082 U CN 201575082U CN 2009203522065 U CN2009203522065 U CN 2009203522065U CN 200920352206 U CN200920352206 U CN 200920352206U CN 201575082 U CN201575082 U CN 201575082U
- Authority
- CN
- China
- Prior art keywords
- coupling
- slide block
- driven
- dividing plate
- block 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.)
- Expired - Lifetime
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- 238000010168 coupling process Methods 0.000 title claims abstract description 102
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 102
- 230000008878 coupling Effects 0.000 title claims abstract description 39
- 230000003139 buffering effect Effects 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)
Abstract
A sliding block type coupling comprises a drive coupling half, a driven coupling half and a sliding block, the drive coupling half is mounted on an output shaft of a drive device, a magnet is arranged on the drive coupling half, a baffle is provided along the circumference direction of the drive coupling half, a cover board is provided at the front end of the baffle, the driven coupling half is mounted on an input shaft of the driven device, a sleeve is provided at the external circumstance of the driven coupling half, the baffle is positioned in the sleeve and forms a cavity with the sleeve, the sliding block is arranged n the cavity. The sliding block type coupling of the utility model is applied to the connection between the drive device and the driven device to implement the buffering startup of the mechanical equipment, when the load is overlarge, the sliding block will automatically slip for avoiding the burning of a motor, so that the overload protection is implemented, meanwhile, the coupling has the clutch function, when the mechanical equipment is not driven by the drive device, the coupling can automatically separate. The utility model has advantages of simple structure, stabilized performance and low fabricating cost, without being maintained periodically.
Description
Technical field
The utility model relates to a kind of slide block type coupling.
Background technique
The starting torque of large-scale heavy duty rotary machine is all bigger, this just requires the rated power of the power of drive motor greater than the required operation of rotary machine, at initial several seconds that start, the inrush current of drive motor often is higher than rated current, operation to motor itself and rotary machine all is adventurous, so the large-scale heavy duty rotary machine is wished buffer starting when starting.
For the large-scale heavy duty rotary machine that needs long-term operation; break down for fear of motor or electrical system and to cause the shutdown of rotary machine; often need to increase standby drive unit, when main electrical fault, standby motor can continue to drive the rotary machine operation by emergency start.And when normal operation, for the life-span and the security of operation of standby drive unit, ask for perfection again with increasing clutch between drive unit and rotary machine or the retarder, can not rotate to guarantee standby drive unit with rotary machine.
At present, current of electric is excessive when starting in order to control the large-scale heavy duty rotary machine, can adopt motor frequency conversion technology buffer starting, or adopts pneumatic motor to drive, but these have all increased investment of equipment and long-time running expense.Present common several modes also exist the operation period and working life is short, need periodic maintenance, working environment to require shortcomings such as height, the cost height of equipment own.
The model utility content
Current of electric is excessive during for the startup that solves existing heavily loaded rotary machine, needs to increase the extras buffering.The utility model provides a kind of slide block type coupling, can make the large-scale heavy duty rotary machine reach buffer starting, and when need not driving device equipment, initiatively half-coupling can separate automatically with driven half-coupling, thereby has the function of automatic clutch.
The technical solution adopted in the utility model is: described coupling comprises initiatively half-coupling, driven half-coupling and slide block, described active half-coupling is installed on the output shaft of drive unit, initiatively half-coupling is provided with magnet, circumferencial direction along the active half-coupling is provided with dividing plate, the front end of described dividing plate is provided with cover plate, described driven half-coupling is installed on the input shaft that is subjected to drive unit, the periphery of driven half-coupling is provided with sleeve, described dividing plate is positioned within the sleeve and with sleeve and forms cavity, and slide block is arranged in the described cavity.
Described dividing plate is distributed on the circumferencial direction of active half-coupling with equal angular.
Described dividing plate is at least two.
Described dividing plate is 3,4,5,6,7 or 8.
Arrange with 90 degree, 72 degree or 45 degree between the described dividing plate.
Described slide block is made by ferromagnet.
Described slide block is cuboid, square body irony slide block.
Slide block type coupling of the present utility model is applicable to the connection between drive unit and the driven device, when driven by motor active half-coupling rotates, slide block rotates thereupon, is close to driven half-coupling inwall and produces frictional force under centrifugal action, rotates thereby drive favourable turn; When driven half-coupling rotated, slide block was attached on the active half-coupling by attraction then.Initiatively half-coupling can separate automatically with driven half-coupling when need not driving device equipment, thereby has the function of automatic clutch.When electric motor starting, the frictional force of slide block increases gradually with motor speed, can realize buffer starting; and when load was excessive, slide block can skid automatically, can realize overload protection; avoid motor burning, and this coupling stable performance, cheap for manufacturing cost, need not periodic maintenance.
Description of drawings
Fig. 1 is the cunning of the present utility model formula coupling mounting point schematic representation of determining;
Fig. 2 is a slide block type coupler structure schematic representation of the present utility model;
Fig. 3 is the slide position schematic representation under the slide block type coupling separated state of the present utility model;
Fig. 4 is that slide block type coupling of the present utility model drives working state bottom slide block position view.
Embodiment
Below in conjunction with accompanying drawing the slide block type coupling that the utility model provides is described in further detail:
Slide block type coupling of the present utility model comprises initiatively half-coupling 6, driven half-coupling 9 and slide block 7, initiatively half-coupling 6 is installed on the output shaft of drive unit, initiatively half-coupling 6 is provided with magnet 8, circumferencial direction along active half-coupling 6 is provided with dividing plate 11, the front end of dividing plate 11 is provided with cover plate, driven half-coupling 9 is installed on the input shaft that is subjected to drive unit, the periphery of driven half-coupling 9 is provided with sleeve, dividing plate 11 is positioned within the sleeve and with sleeve and forms cavity, and slide block 7 is arranged in the cavity.
As shown in Figure 1, it is slide block type coupling of the present utility model mounting point schematic representation, slide block type coupling 2 is installed in drive unit and is subjected between the drive unit, and drive unit can be that motor 1 grade produces power-actuated device, and being subjected to drive unit is rotating machinery 3 driven devices such as grade.
As shown in Figure 2, it is slide block type coupler structure schematic representation of the present utility model, initiatively half-coupling 6 is made up of steel wheel hub, dividing plate 11 and cover plate, and it firmly is installed on the driving shaft 4 of motor, and initiatively half-coupling 6 relies on key 5 to realize being rigidly connected with the driving shaft 4 of motor.Cover plate is the ring steel plate of next-door neighbour's dividing plate 11, covers in the outside of dividing plate 11 by cover plate, plays the moving region of restriction slide block 7, and anti-limited slip block 7 flies out.
Driven half-coupling 9 is made up of steel wheel hub, sleeve, firmly is installed on the driven shaft 10 of rotating machinery, and driven half-coupling 9 relies on key 5 to realize being rigidly connected with driven shaft 10, and sleeve lining is coarse, can be made by coarse material.The inwall of sleeve can be mechanical roughed surface, is not coated with grease-addedly, satisfy to produce enough frictional force.Initiatively half-coupling 6 is provided with magnet 8, magnet piece 8 preferably is located on the wheel hub of active half-coupling, its magnetic force should be able to adsorb slide block 7 when active half-coupling 6 state of rest, when active half-coupling 6 reached certain rotating speed, slide block 7 can be got rid of disengaging by centrifugal force again.Initiatively the circumference of half-coupling 6 is provided with dividing plate 11, the front end of dividing plate 11 is provided with cover plate, driven half-coupling 9 is installed on the input shaft that is subjected to drive unit, the circumference of driven half-coupling is provided with sleeve, dividing plate 11 is positioned within the sleeve and with sleeve and forms cavity, place slide block 7 in the cavity, slide block 7 is made by ferromagnet, for example iron, cobalt, nickel or its alloy.
As shown in Figure 3, be the slide position schematic representation under the slide block type coupling separated state of the present utility model, sliding determine 7 with half-coupling 6 initiatively on magnet 8 be attached together, initiatively half-coupling 6 and driven half-coupling 9 are in separated state.
As shown in Figure 4, be the slide position schematic representation under the slide block type coupling driving working state of the present utility model.Slide block 7 is positioned on the circumference of sleeve, drives driven half-coupling 9 by the friction with sleeve and rotates.According to the centrifugal force formula as can be known, object can produce centrifugal force when rotating, and the size of centrifugal force is directly proportional with rotational speed, object quality, be inversely proportional to turning radius, so, when rotating with certain speed, the object of enough quality will produce certain centrifugal force.According to the frictional force formula as can be known, frictional force is directly proportional with friction factor and positive pressure.Slide block can produce certain frictional force with sleeve under action of centrifugal force, thereby drives driven half-coupling 9 motions.
When motor 1 begins to rotate with active half-coupling 6, slide block 7 is adsorbed on the active half-coupling 6 by magnet 8, when reaching certain rotating speed, the centrifugal force of slide block 7 is greater than suffered magnetic force, slide block 7 breaks away from magnet under action of centrifugal force, be pressed on the sleeve lining of driven half-coupling 9, under the promotion of dividing plate 11, slide block 7 slides at sleeve lining, and the frictional force of its generation increases with the rotating speed of motor 1.If the load of rotating machinery 3 is less, toggle speed can be fast, if load is bigger, toggle speed can be slow.When the starting torque of frictional force greater than rotating machinery 3, equipment will slowly start, thereby realizes buffer starting.
In driving arrangement rotates, the situation if rotating machinery 3 is obstructed suddenly etc., cause moment of rotation to increase suddenly, the frictional force that produces owing to slide block 7 suffered centrifugal force is not enough to continue driving arrangement at full speed, slide block 7 can skid on driven half-coupling 9 inwalls automatically, avoids over current of motor and damages.When resistance reduce or equipment under the frictional force action of slide block 7, slowly, can continue driving arrangement and rotate and accelerate to gradually rated speed by behind the big zone of resistance.When motor 1 and initiatively half-coupling 6 stop, slide block can be adsorbed on the magnet 8 of half-coupling 6 initiatively thereupon, initiatively half-coupling 6 is realized separating with driven half-coupling 9.At this moment, rotating machinery 3 or stop operating gradually or continue to drive and rotate by other drive unit, driven half-coupling 9 also rotates thereupon, but between driven half-coupling 9 and the active half-coupling 6 owing to separate, so can not produce friction.Slide block type coupling of the present utility model is when electric motor starting, and the frictional force of slide block increases gradually with motor speed, has realized buffer starting, and when load was excessive, slide block can skid automatically, avoided motor burning, had realized overload protection.
Initiatively the circumference of half-coupling 6 is provided with dividing plate 11, and preferably, dividing plate 11 is evenly distributed on the circumference of active half-coupling 6, and dividing plate 11 is at least two, and dividing plate can be 3,4,5,6,7 or 8.Preferably, dividing plate 11 is symmetrically distributed on the circumference of active half-coupling 6.The angle of being separated by of dividing plate 11 is decided with dividing plate quantity, can be that 90 degree, 72 degree or 45 degree arrange that dividing plate 11 across, five-pointed star shape or Mi Zixing on the circumference of feasible initiatively half-coupling 6 distribute between the dividing plate 11.
Dividing plate 11 symmetries of the present utility model, evenly arrange on the circumference of half-coupling 6 initiatively, can avoid occurring deflection, produce bigger eccentric force when avoiding the coupling high speed rotating and the coupling vibration that produces.
Slide block of the present utility model size and dividing plate quantity how much and the size of coupling diameter can select by the size that needs transmitting torque.
Although the utility model is to be described by above-mentioned preferred embodiment, but it realizes only being not limited to above-mentioned mode of execution, should be realized that under the situation that does not break away from the utility model spirit and scope those skilled in the art can make different variations and modification to the utility model.
Claims (7)
1. slide block type coupling, it is characterized in that: described coupling comprises initiatively half-coupling, driven half-coupling and slide block, described active half-coupling is installed on the output shaft of drive unit, initiatively half-coupling is provided with magnet, circumferencial direction along the active half-coupling is provided with dividing plate, the front end of described dividing plate is provided with cover plate, described driven half-coupling is installed on the input shaft that is subjected to drive unit, the periphery of driven half-coupling is provided with sleeve, described dividing plate is positioned within the sleeve and with sleeve and forms cavity, and slide block is arranged in the described cavity.
2. slide block type coupling according to claim 1 is characterized in that: described dividing plate is distributed on the circumferencial direction of active half-coupling with equal angular.
3. according to claim 1 or 2 described slide block type coupling, it is characterized in that: described dividing plate is at least two.
4. slide block type coupling according to claim 3 is characterized in that: described dividing plate is 3,4,5,6,7 or 8.
5. slide block type coupling according to claim 2 is characterized in that: arrange with 90 degree, 72 degree or 45 degree between the described dividing plate.
6. slide block type coupling according to claim 1 is characterized in that: described slide block is made by ferromagnet.
7. according to claim 1 or 6 described slide block type coupling, it is characterized in that: described slide block is cuboid, square body irony slide block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203522065U CN201575082U (en) | 2009-12-30 | 2009-12-30 | Sliding block type coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203522065U CN201575082U (en) | 2009-12-30 | 2009-12-30 | Sliding block type coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201575082U true CN201575082U (en) | 2010-09-08 |
Family
ID=42694957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203522065U Expired - Lifetime CN201575082U (en) | 2009-12-30 | 2009-12-30 | Sliding block type coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201575082U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102116351A (en) * | 2009-12-30 | 2011-07-06 | 中国神华能源股份有限公司 | Sliding block type coupler |
| CN102537124A (en) * | 2010-12-30 | 2012-07-04 | 洪涛 | Spatial-wedging friction coupling and spatial-wedging friction safety clutch |
| CN110397683A (en) * | 2019-08-19 | 2019-11-01 | 自然资源部天津海水淡化与综合利用研究所 | A kind of safety coupling |
-
2009
- 2009-12-30 CN CN2009203522065U patent/CN201575082U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102116351A (en) * | 2009-12-30 | 2011-07-06 | 中国神华能源股份有限公司 | Sliding block type coupler |
| CN102537124A (en) * | 2010-12-30 | 2012-07-04 | 洪涛 | Spatial-wedging friction coupling and spatial-wedging friction safety clutch |
| CN102537124B (en) * | 2010-12-30 | 2016-05-11 | 洪涛 | Spatial-wedging friction shaft coupling and overload-release clutch |
| CN110397683A (en) * | 2019-08-19 | 2019-11-01 | 自然资源部天津海水淡化与综合利用研究所 | A kind of safety coupling |
| CN110397683B (en) * | 2019-08-19 | 2024-05-10 | 自然资源部天津海水淡化与综合利用研究所 | Safety coupling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100908 |