CN2818903Y - Safety clutch - Google Patents
Safety clutch Download PDFInfo
- Publication number
- CN2818903Y CN2818903Y CN 200520105199 CN200520105199U CN2818903Y CN 2818903 Y CN2818903 Y CN 2818903Y CN 200520105199 CN200520105199 CN 200520105199 CN 200520105199 U CN200520105199 U CN 200520105199U CN 2818903 Y CN2818903 Y CN 2818903Y
- Authority
- CN
- China
- Prior art keywords
- safety
- mounting hole
- voussoir
- clutch
- stage clip
- 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 - Fee Related
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Abstract
The utility model relates to a safety clutch, which comprises a transmission head, a clutch transmission sleeve, a safety spring group and a clutch wedge block group, wherein the clutch transmission sleeve is sheathed on the transmission head and the safety spring group comprises a couple of pressing springs and safety sliders. The clutch wedge block group comprises a couple of wedge blocks, the transmission head is provided with a pressing spring mounting hole and a wedge block mounting hole which are perpendicular to a rotating axis and the pressing spring mounting hole and the wedge block mounting hole are mutually vertical and are communicated at the middle parts. The two safety sliders are arranged in the middle part of the pressing spring mounting hole, a pressing spring is arranged between the safety slider and the transmission head, a couple of wedge blocks is respectively arranged in the wedge block mounting hole at both sides of the safety sliders and a slope of the inner end of each wedge block is abutted on the safety slider and can cause the wedge block to inwards move via the motion of the slope. The utility model has the advantages of large transmission power, firm and reliable structure and small size, power can be directly cut off when overloading, so the utility model can efficiently attain the protection function and the utility model can automatically combine after the overload disappears and does not need especial maintenance.
Description
One, technical field
The utility model relates to mechanically operated overload protective gear, is a kind of safety clutch.
Two, background technique
At present, the safety clutch in the mechanical transmission has multiple, for example: have spring asbestos friction press disc type, the shear pin formula, castellated and steel ball type etc.Wherein: spring asbestos friction press disc type, its radial dimension is bigger, and is easy to wear; The shear pin formula, when overload protection took place, shear pin was destroyed, needed to change to safeguard inconvenience; Other all is only applicable to the mechanically operated safety protection of low speed.
Three, summary of the invention
The utility model provides a kind of safety clutch, has overcome the deficiency of above-mentioned prior art, combination automatically after its transmission power is big, sound construction is reliable, volume is little, overload disappears.
The technical solution of the utility model realizes by following measure: a kind of safety clutch, it comprises driving head, clutch transmission sleeve, safety spring group and clutch voussoir group, clutch transmission sleeve is sleeved on the driving head, the safety spring group comprises a pair of stage clip and safety slide, clutch voussoir group comprises a pair of voussoir, stage clip mounting hole and voussoir mounting hole perpendicular to rotation axis are arranged on driving head, and stage clip mounting hole and voussoir mounting hole are vertical mutually and communicate at the middle part, two safety slides are installed in the middle part of stage clip mounting hole, between safety slide and driving head, stage clip is installed, a pair of voussoir is installed in respectively in the voussoir mounting hole of safety slide both sides, the sloped roof of each voussoir the inner is on safety slide and can move it and voussoir is moved inward, and the inclined-plane of each voussoir outer end places in the skewed slot of clutch transmission sleeve inboard and can skid off or slip in the skewed slot.
Be further optimization and/or improvements below to above-mentioned technical solutions of the utility model:
In the above-mentioned stage clip mounting hole adjustment nut can be installed, between adjustment nut and safety slide, stage clip can be installed.
On above-mentioned adjustment nut, the adjustment groove can be arranged.
Above-mentioned stage clip and safety slide can be installed on the double threaded screw, are installed in the stage clip mounting hole after can stage clip and safety slide being compressed by the adjustment nut on the double threaded screw.
Above-mentioned adjustment nut can be positioned on the double threaded screw by resilient key.
Can there be fluting on top at above-mentioned double threaded screw.
Transmission power of the present utility model is bigger, and sound construction is reliable, and volume is little, can directly cut off power when overload occurring, thereby play a protective role effectively, and combination automatically after overload disappears need not special maintenance.
Four, description of drawings
Master when accompanying drawing 1 is in drive state for the utility model most preferred embodiment looks the sectional structure schematic representation,
Accompanying drawing 2 is that the A-A of accompanying drawing 1 is to the sectional structure schematic representation;
The A-A of the accompanying drawing 1 when accompanying drawing 3 is in the clutch guard mode for the utility model most preferred embodiment is to the sectional structure schematic representation;
Coding in the accompanying drawing is respectively: 1 is driving head, and 2 is the safety spring group, and 3 is voussoir, and 4 is clutch transmission sleeve, and 5 is double threaded screw, and 6 is resilient key, and 7 for adjusting nut, and 8 is stage clip, and 9 is safety slide, and 10 is skewed slot, and 11 is voussoir the inner, and 12 is the inclined-plane.
Five, embodiment
The utility model is not subjected to following embodiment's restriction, can determine concrete mode of execution according to the technical solution of the utility model and actual conditions.
Below in conjunction with embodiment and accompanying drawing the utility model is further described:
As accompanying drawing 1, shown in 2 and 3, this safety clutch comprises driving head 1, clutch transmission sleeve 4, safety spring group 2 and clutch voussoir group, clutch transmission sleeve 4 is sleeved on the driving head 1, safety spring group 2 comprises a pair of stage clip 8 and safety slide 9, clutch voussoir group comprises a pair of voussoir 3, stage clip mounting hole and voussoir mounting hole perpendicular to the transmission axis are arranged on driving head 1, and stage clip mounting hole and voussoir mounting hole are vertical mutually and communicate at the middle part, two safety slides 9 are installed in the middle part of stage clip mounting hole, between safety slide 9 and driving head 1, stage clip 8 is installed, a pair of voussoir 3 is installed in respectively in the voussoir mounting hole of safety slide 9 both sides, the sloped roof of each voussoir 3 the inner is on safety slide 9 and can move it and voussoir 3 is moved inward, and the inclined-plane 12 of each voussoir 3 outer end places in the skewed slot 10 of clutch transmission sleeve 4 inboards and can skid off or slip in the skewed slot 10.
Can according to actual needs above-mentioned safety clutch be made further optimization and/or improvements:
Shown in accompanying drawing 2 and 3, stage clip 8 and safety slide 9 are installed on the double threaded screw 5, are installed in the stage clip mounting hole after by the adjustment nut 7 on the double threaded screw 5 stage clip 8 and safety slide 9 being compressed; And adjusting nut 7 can be positioned on the double threaded screw 5 by resilient key 6; Can there be fluting on top at double threaded screw 5.
Above technical characteristics has constituted most preferred embodiment of the present utility model, it has stronger adaptability and best implementation result, can increase and decrease non-essential technical characteristics according to actual needs, satisfy the demand of different situations, for example, in the stage clip mounting hole adjustment nut can be installed, between adjustment nut and safety slide, stage clip be installed, adjusting on the nut has the adjustment groove, and reaching installation safety spring group so too is the effect of stage clip and safety slide.
The concrete application of the utility model on farm implements such as power rotary harrow is as follows: at first clutch transmission sleeve 4 is fixedlyed connected with pto, and driving head 1 is fixedlyed connected with the speed reducer of agricultural machinery and implement; In use: when soil specific resistance is run into foreign matter than big or rake cutter; facility rotational resistance square heightens; 1 of clutch sleeve 4 and driving head relatively rotate; voussoir 3 inclined-planes 12 are from clutch transmission sleeve 4 skewed slots 10 interior slip rollbacks, and voussoir 3 the inners 11 are pressed on the inclined-plane of safety slide 9, extruding safety slide 9 inclined-planes; when component during greater than the elastic force of two stage clips 8 two stage clips 8 be compressed yielding; voussoir 3 inner 11 inserts its gap, cuts off power, plays the effect of protection facility.When soil specific resistance fell after rise or harrows cutter disengaging foreign matter, voussoir 3 the other ends of getting between cluster spring 11 withdrawed under the pressure of cluster spring 2, voussoir 3 outside slippages, and voussoir 3 wedge surfaces are joined again with drive sleeve 4 interior 10 of wedge surfaces and are contacted transferring power.Maximum permissible torque of the present utility model can be realized by the pressure of adjusting nut 7 adjustment stage clips 8.
Claims (6)
1, a kind of safety clutch, it is characterized in that comprising driving head, clutch transmission sleeve, safety spring group and clutch voussoir group, clutch transmission sleeve is sleeved on the driving head, the safety spring group comprises a pair of stage clip and safety slide, clutch voussoir group comprises a pair of voussoir, stage clip mounting hole and voussoir mounting hole perpendicular to rotation axis are arranged on driving head, and stage clip mounting hole and voussoir mounting hole are vertical mutually and communicate at the middle part, two safety slides are installed in the middle part of stage clip mounting hole, between safety slide and driving head, stage clip is installed, a pair of voussoir is installed in respectively in the voussoir mounting hole of safety slide both sides, the sloped roof of each voussoir the inner is on safety slide and can move it and voussoir is moved inward, and the inclined-plane of each voussoir outer end places in the skewed slot of clutch transmission sleeve inboard and can skid off or slip in the skewed slot.
2, safety clutch according to claim 1 is characterized in that being equipped with in the stage clip mounting hole adjustment nut, between adjustment nut and safety slide stage clip is installed.
3, safety clutch according to claim 2 is characterized in that adjusting the adjustment groove is arranged on the nut.
4, safety clutch according to claim 1 is characterized in that stage clip and safety slide are installed on the double threaded screw, is installed in the stage clip mounting hole after by the adjustment nut on the double threaded screw stage clip and safety slide being compressed.
5, safety clutch according to claim 4 is characterized in that adjusting nut and is positioned on the double threaded screw by resilient key.
6, according to claim 4 or 5 described safety clutches, it is characterized in that there is fluting on the top of double threaded screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520105199 CN2818903Y (en) | 2005-08-23 | 2005-08-23 | Safety clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520105199 CN2818903Y (en) | 2005-08-23 | 2005-08-23 | Safety clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2818903Y true CN2818903Y (en) | 2006-09-20 |
Family
ID=37004960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520105199 Expired - Fee Related CN2818903Y (en) | 2005-08-23 | 2005-08-23 | Safety clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2818903Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102321951A (en) * | 2011-09-02 | 2012-01-18 | 浙江海森纺机科技有限公司 | Clutch touch alarm device of nonjunction fishing net machine |
| CN103492748A (en) * | 2011-04-22 | 2014-01-01 | 涡轮梅坎公司 | Mechanical protection device |
| CN107131225A (en) * | 2017-07-12 | 2017-09-05 | 浙江普赛斯传动机械有限公司 | Torque overload protector for agricultural machinery power transmission shaft |
-
2005
- 2005-08-23 CN CN 200520105199 patent/CN2818903Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103492748A (en) * | 2011-04-22 | 2014-01-01 | 涡轮梅坎公司 | Mechanical protection device |
| CN103492748B (en) * | 2011-04-22 | 2016-08-17 | 涡轮梅坎公司 | Machine guarding, the machine with it and mechanical protection method |
| CN102321951A (en) * | 2011-09-02 | 2012-01-18 | 浙江海森纺机科技有限公司 | Clutch touch alarm device of nonjunction fishing net machine |
| CN107131225A (en) * | 2017-07-12 | 2017-09-05 | 浙江普赛斯传动机械有限公司 | Torque overload protector for agricultural machinery power transmission shaft |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: XINJIANG MACHINERY INSTITUTE CO., LTD. Free format text: FORMER NAME: XINJIANG INSTITUTE OF MACHINERY (LIMITED LIABILITY COMPANY) |
|
| CP03 | Change of name, title or address |
Address after: No. 239, Beijing North Road, Urumqi, the Xinjiang Uygur Autonomous Region: 830011 Patentee after: Xinjiang Machinery Research Institute Co., Ltd. Address before: No. 41, Beijing North Road, Urumqi, the Xinjiang Uygur Autonomous Region: 830011 Patentee before: Xinjiang Research Institute of Machinery Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060920 Termination date: 20130823 |