CN102979828A - Dual-pressure-ring-expansion-sleeve-type serpentine spring coupling - Google Patents
Dual-pressure-ring-expansion-sleeve-type serpentine spring coupling Download PDFInfo
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- CN102979828A CN102979828A CN2012105380597A CN201210538059A CN102979828A CN 102979828 A CN102979828 A CN 102979828A CN 2012105380597 A CN2012105380597 A CN 2012105380597A CN 201210538059 A CN201210538059 A CN 201210538059A CN 102979828 A CN102979828 A CN 102979828A
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Abstract
The invention relates to a dual-pressure-ring-expansion-sleeve-type serpentine spring coupling. The dual-pressure-ring-expansion-sleeve-type serpentine spring coupling comprises serpentine springs, two coupling half bodies, a coupling housing, housing connecting bolts and two dual-pressure-ring expansion sleeves, wherein the two coupling half bodies are connected by the serpentine springs, the outer circumferences of one ends of the coupling half bodies are provided with toothed slots which are used for being embedded by the serpentine springs, and the dual-pressure-ring expansion sleeves and key slots are arranged in the coupling half bodies, so that the coupling half bodies can be in tensioning connection and key connection with connecting pieces. When some part in a driving part and the coupling are damaged, the disassembly can be carried out according to the following sequences: unscrewing the housing connecting bolts, removing the housing, removing the serpentine springs, removing bolts on the dual-pressure-ring expansion sleeves, and sequentially detaching the dual-pressure-ring expansion sleeves, so that damaged members can be replaced; and thus, compared with the coupling in the prior art, the dual-pressure-ring-expansion-sleeve-type serpentine spring coupling has the advantages of disassembly convenience and simple structure.
Description
Technical field:
The present invention relates to a kind of coupling, particularly a kind of pair of pressure ring expansion sleeve type Falk flexible coupling.
Background technique:
At present, coupling is divided into cog-wheel coupling and elastic coupling flexible coupling substantially on structure function.Cog-wheel coupling can be larger bearing load impact and live load, make to start or load has more safety when uneven, and the Flexible Transmission of elastic coupling flexible coupling by spring absorbs a large amount of vibration forces, so play a different role separately.
Have following shortcoming on the coupling connecting mode of prior art: interference fit joint, heating are installed, the one-time mechanical hydraulic performance decline is removed, whenever torn open to uneven heating after making pressure can exert an influence, heat product after uneven, the heating thereupon by force, successively cumulative, easily cause the surface to pull.If the coupling that certain component in the drive portion and coupling itself are damaged mounting or dismounting are difficulty especially, need very large pulling force.
Summary of the invention:
In view of this, be necessary to provide a kind of easy accessibility and two pressure ring expansion sleeve type Falk flexible couplings simple in structure.
A kind of pair of pressure ring expansion sleeve type Falk flexible coupling, this pair pressure ring expansion sleeve type Falk flexible coupling comprise serpentine spring, two coupling halfbodies, coupler casing, case connecting bolt and two two pressure ring expansion sets; Serpentine spring connects two coupling halfbodies, is provided with the teeth groove that embeds for serpentine spring on the excircle of an end of coupling halfbody, and two pressure ring expansion sets and keyway are set in the coupling halfbody, is connected so that the coupling halfbody is connected with key with link realization tensioner.
Above-mentioned pair of pressure ring expansion sleeve type Falk flexible coupling adopted the structure that two pressure ring expansion sets and keyway are set in the coupling halfbody, realizing that the coupling halfbody is connected with key with the link tensioner is connected, certain component and coupling itself in drive portion are damaged, can carry out in the following order dismounting: twist off bolt on two pressure ring expansion sets of the bolt that connects case → remove case → remove serpentine spring → remove → pull down successively two pressure ring expansion sets to realize damaging replacement of element, so two pressure ring expansion sleeve type Falk flexible coupling has easy accessibility and advantage simple in structure with respect to the coupling in the existing technology by the bolt on two pressure ring expansion sets.
Description of drawings:
Accompanying drawing 1 is the structure sectional view of two pressure ring expansion sleeve type Falk flexible couplings of a preferred embodiments.
Accompanying drawing 2 is cross-sectional view that the coupling halfbody of two pressure ring expansion sets has been installed among Fig. 1.
Accompanying drawing 3 is structural representations of two pressure ring expansion sets among Fig. 1.
Fig. 4 is that the B-B of two pressure ring expansion sets among Fig. 3 is to cross-sectional view.
Among the figure: two pressure ring expansion sleeve type Falk flexible couplings 10, two pressure ring expansion sets 20, inner pressure ring cover 21, clamping rings section 211, cylindrical channel 2110, round table-like compressed part 212, cylindrical channel 2120, harmomegathus groove 213, keyway 214, the first external pressure ring set 22, harmomegathus groove 221, keyway 222, stay bolt 23, the second external pressure ring set 24, harmomegathus groove 241 lag bolts 25, serpentine spring 30, coupling halfbody 40, teeth groove 401, location circular groove 403, coupler casing 50, case connecting bolt 60, key 80.
Embodiment:
Please referring to Fig. 1 and Fig. 2, two pressure ring expansion sleeve type Falk flexible couplings 10 comprise two two pressure ring expansion sets 20, serpentine spring 30, two coupling halfbodies 40, coupler casing 50, case connecting bolt 60.Serpentine spring 30 connects two coupling halfbodies 40, be provided with the teeth groove 401 that embeds for serpentine spring 30 on the excircle of one end of coupling halfbody 40, coupling halfbody 40 inner circumferences are installed described pair of pressure ring expansion set 20 and are offered keyway (not marking among the figure), are connected so that coupling halfbody 40 is connected with key with link realization tensioner.Be provided with the location circular groove 403 of the "T"-shaped shape that embeds for two pressure ring expansion sets 20 on the inner circumference of coupling halfbody 40, location circular groove 403 is near the end with teeth groove 401 of coupling halfbody.
Two flank of tooth of the teeth groove 401 of coupling halfbody 40 are comprised of a plurality of arc shaped surfaces, can decide according to the variation of load the area of contact of the flank of tooth, thereby bearing load that can be larger impacts and live load, have more safety when making starting or load uneven.The surface of serpentine spring 30 makes its compressive surfaces structural molecule through accurate sand blast, reaches to resistance to wear and the long-life effect of raising.Adopt the O RunddichtringO to realize being tightly connected between coupler casing 50 and the coupling halfbody 40.
Please referring to Fig. 3 and Fig. 4, two pressure ring expansion sets 20 comprise inner pressure ring cover the 21, first external pressure ring set 22, stay bolt 23, the second external pressure ring set 24 and lag bolt 25 in the present embodiment.
Inner pressure ring cover 21 comprises that the clamping rings section 211 of "T"-shaped shape reaches and a toroidal surface round table-like compressed part 212 connected vertically of clamping rings section 211, clamping rings section 211 has cylindrical channel 2110, the disc that the diameter of round table-like compressed part 212 is larger contacts with the less toroidal surface of clamping rings section 211, round table-like compressed part 212 offers axial cylindrical channel 2120, and the cylindrical channel 2120 of round table-like compressed part 212 and cylindrical channel 2110 coaxial communication of clamping rings section 211, the cylindrical channel 2120 of round table-like compressed part 212 is identical with the diameter of the cylindrical channel 2110 of clamping rings section 211, axially offer the harmomegathus groove 213 of perforation on the jacket wall of inner pressure ring cover 11, the cylindrical channel 2110 of harmomegathus groove 213 and inner pressure ring cover 21, cylindrical channel 2120 is communicated with.
The first external pressure ring set 22, axially offer the harmomegathus groove 221 of perforation on the second external pressure ring set 24, harmomegathus groove 241, harmomegathus groove 221, harmomegathus groove 241 and the first external pressure ring set 22, the channel connection of the second external pressure ring set 24, the first external pressure ring set 22, the passage of the second external pressure ring set 24 becomes round table-like, and the first external pressure ring set 22, the shape of the round table-like compressed part 212 of the passage of the second external pressure ring set 24 and inner pressure ring cover 21, size is suitable, the first external pressure ring set 22, the second external pressure ring set 24 is sleeved on the round table-like compressed part 212, the first external pressure ring set 22 is near clamping rings section 211, and stay bolt 23 axially passes clamping rings section 211, the first external pressure ring set 22, the second external pressure ring set 24 and lag bolt 25 axially pass clamping rings section 211, the first external pressure ring set 22 is with the first external pressure ring set 22, the second external pressure ring set 24 is relative fixing with inner pressure ring cover 21.In the present embodiment, stay bolt 23, lag bolt 25 are high-strength bolt.Also offer keyway 214 on the jacket wall of inner pressure ring cover 11, also offer keyway 222 on the internal ring wall of the first external pressure ring set 22, also offer keyway (not marking among the figure) on the internal ring wall of the second external pressure ring set 24, the first external pressure ring set 22, the second external pressure ring set 24 and inner pressure ring cover 21 is relative fixedly the time, the first external pressure ring set 22, keyway overlaid on keyway on the second external pressure ring set 24 and the inner pressure ring cover 21, the first external pressure ring set 22, keyway on the second external pressure ring set 24 is located on the same line, and so two pressure ring expansion sets 20 can be embedded between coupling halfbody 40 and the link along key 80.
When realizing cooperating installation between link and the two pressure ring expansion sleeve type Falk flexible couplings 20 with above-mentioned pair of pressure ring expansion set 20, two pressure ring expansion sets 20 are arranged in the upper coupling halfbody 40, by harmomegathus groove 213, harmomegathus groove 221, harmomegathus groove 241 can guarantee that link passes the axial circular column passage 2110 of inner pressure ring cover 21, cylindrical channel 2120, and make tensioner between two pressure ring expansion sets 20 and the coupling halfbody 40, wherein stay bolt 23 and lag bolt 25 apply axial pressing force for two pressure ring expansion sets 20, make inner pressure ring cover 21 hold link tightly, the first external pressure ring set 22, the second external pressure ring set 24 expansion coupler halfbodies 40, thereby produce huge impacting force, during work, utilize frictional force that this impacting force produces and key Placement with transmitting torque and axial force.
Two pressure ring expansion sleeve type Falk flexible couplings 20 compared with prior art have following beneficial effect:
1. custom-designed a kind of connecting mode has adopted advanced two pressure ring expansion sets to connect mainly for the difficult dismounting of large-scale coupling interference fit joint, and it is installed under the gap; Tighten the powerful interference power that produces by high-strength bolt during use, transmitting torque, and between coupling halfbody and link, increased key and be connected and can transmit larger moment of torsion, improved operational safety.
2. need not heating and install, two pressure ring expansion sets have keyway, and two pressure ring expansion sets are embedded between coupling halfbody and link along key during installation, guarantee that the repetition dismounting on the impact of precision and the performance of product, has better improved installation precision and working life.
3. needing only the general standard instrument when complete machine maintenance or the dismounting of maintenance need just can easily finish fast.
In installation because not heating, the mechanical property of material is not produced any variation, the radial pressure that it utilizes high-strength bolt to produce reaches powerful interference effect, and is even to the axle surface pressure, connects more safe and reliable.
5. this pair pressure ring expansion sleeve type Falk flexible coupling has condensed the flexibility of high pulling torque and the elastic coupling flexible coupling of cog-wheel coupling, and has adopted advanced two pressure ring expansion sets connections to be aided with the key connection, is the simpler more preferably structure of medium and heavy coupling; Protecting against shock, vibration damping, live load can better be protected equipment; Two flank of tooth of coupling are comprised of a plurality of arc shaped surfaces, can decide according to the variation of load the area of contact of the flank of tooth, thereby bearing load that can be larger impacts and live load, and are safer when making starting or load uneven; And can absorb by the Flexible Transmission of spring a large amount of vibration forces, buffer function reduces more than 34% amount of shock and vibration, is real transmission impact filter; Overlength operating life, volute spring adopt high strength alloy steel to make, and process through strict heat-treatment protocol, make it reach stronger hard and soft property requirement.The spring surface makes its compressive surfaces structural molecule through accurate sand blast, reaches to resistance to wear and the long-life effect of raising; Simple in structure, easy to maintenance, less number of spare parts, light weight and small volume all are to make I﹠M have more advantage with convenient, during normal the use without the periodic maintenance of particularity, as long as guarantee when mounted sufficient oil quantity, and grease can absorb certain noise that transmission brings, and the rear grease that suitably replenishes that works long hours gets final product.Installation requirement is low, design is wide in variety, and the installation precision of this coupling requires lower than general coupling; Spring can freely swing in half coupling band teeth groove, make its allow to have between diaxon larger radially, angle and axial deviation, as long as in certain scope and can not affect the working effect of transmission power, can not produce noise yet and affect the life-span.
Claims (8)
1. two pressure ring expansion sleeve type Falk flexible coupling, it is characterized in that: this pair pressure ring expansion sleeve type Falk flexible coupling comprises serpentine spring, two coupling halfbodies, coupler casing, case connecting bolt and two two pressure ring expansion sets; Serpentine spring connects two coupling halfbodies, is provided with the teeth groove that embeds for serpentine spring on the excircle of an end of coupling halfbody, and two pressure ring expansion sets and keyway are set in the coupling halfbody, is connected so that the coupling halfbody is connected with key with link realization tensioner.
2. according to claim 1 pair of pressure ring expansion sleeve type Falk flexible coupling is characterized in that: be provided with the location circular groove that embeds for two pressure ring expansion sets on the inner circumference of coupling halfbody, the end with teeth groove of the close coupling halfbody of location circular groove.
3. according to claim 2 pair of pressure ring expansion sleeve type Falk flexible coupling, it is characterized in that: this pair pressure ring expansion set comprises inner pressure ring cover, the first external pressure ring set, stay bolt, the second external pressure ring set and lag bolt; The inner pressure ring cover comprises that the clamping rings section of "T"-shaped shape reaches and a toroidal surface round table-like compressed part connected vertically of clamping rings section, clamping rings section has cylindrical channel, the disc that the diameter of round table-like compressed part is larger contacts with the less toroidal surface of clamping rings section, round table-like compressed part offers axial cylindrical channel, and the cylindrical channel coaxial communication of the cylindrical channel of round table-like compressed part and clamping rings section, the cylindrical channel of round table-like compressed part is identical with the diameter of the cylindrical channel of clamping rings section, axially offer the harmomegathus groove of perforation on the jacket wall of inner pressure ring cover, the harmomegathus groove is communicated with the cylindrical channel of inner pressure ring cover, the first external pressure ring set, the second outer press ring puts the harmomegathus groove that axially offers perforation, and the first external pressure ring set, the passage of the second external pressure ring set becomes round table-like, and the first external pressure ring set, the round table-like compressed part of the passage of the second external pressure ring set and inner pressure ring cover is suitable, the first external pressure ring set, the second external pressure ring set is sleeved on the round table-like compressed part, and stay bolt axially passes clamping rings section, the first external pressure ring set, the second external pressure ring set and lag bolt axially pass clamping rings section, the first outer press ring is embedded with the first external pressure ring set, the second external pressure ring set is relative fixing with the inner pressure ring cover.
4. according to claim 2 pair of pressure ring expansion sleeve type Falk flexible coupling, it is characterized in that: also offer keyway on the jacket wall of inner pressure ring cover, also offer keyway on the internal ring wall of the first external pressure ring set, also offer keyway on the internal ring wall of the second external pressure ring set, the first external pressure ring set, the second external pressure ring set and inner pressure ring cover is relative fixedly the time, the first external pressure ring set, the keyway overlaid that the keyway that the second outer press ring puts and inner pressure ring put, the first external pressure ring set, the keyway that the second outer press ring puts is located on the same line, and so two pressure ring expansion sets is embedded between coupling halfbody and the link along key.
5. according to claim 1 pair of pressure ring expansion sleeve type Falk flexible coupling, it is characterized in that: stay bolt, lag bolt are high-strength bolt.
6. according to claim 1 pair of pressure ring expansion sleeve type Falk flexible coupling, it is characterized in that: two flank of tooth of the teeth groove of couplings outside lane are comprised of a plurality of arc shaped surfaces.
7. according to claim 1 pair of pressure ring expansion sleeve type Falk flexible coupling, it is characterized in that: the surface of serpentine spring is through accurate sand blast.
8. according to claim 1 pair of pressure ring expansion sleeve type Falk flexible coupling is characterized in that: adopt the O RunddichtringO to realize being tightly connected between coupler casing and the coupling halfbody.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105380597A CN102979828A (en) | 2012-12-13 | 2012-12-13 | Dual-pressure-ring-expansion-sleeve-type serpentine spring coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105380597A CN102979828A (en) | 2012-12-13 | 2012-12-13 | Dual-pressure-ring-expansion-sleeve-type serpentine spring coupling |
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| Publication Number | Publication Date |
|---|---|
| CN102979828A true CN102979828A (en) | 2013-03-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105380597A Pending CN102979828A (en) | 2012-12-13 | 2012-12-13 | Dual-pressure-ring-expansion-sleeve-type serpentine spring coupling |
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| CN (1) | CN102979828A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105299070A (en) * | 2015-12-08 | 2016-02-03 | 江苏新瑞重工科技有限公司 | Inner and outer gear type coupling |
| CN108262765A (en) * | 2016-12-30 | 2018-07-10 | 中国科学院沈阳自动化研究所 | A kind of expander tool that operation is screwed available for manipulator |
| CN110030289A (en) * | 2019-02-27 | 2019-07-19 | 荣基工业科技（江苏）有限公司 | A kind of flush type coupler structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB344139A (en) * | 1930-01-15 | 1931-03-05 | Frank Croft | Improvements in flexible couplings for rotary shafts |
| US4072028A (en) * | 1976-08-19 | 1978-02-07 | The Falk Corporation | Indexing coupling |
| CN2331787Y (en) * | 1998-07-22 | 1999-08-04 | 沈阳重矿机械厂 | Single-cone three-piece type expansion hub |
| CN202032010U (en) * | 2011-04-22 | 2011-11-09 | 浙江精基机电有限公司 | Coupler with liner expanding sleeves and keys between hubs |
| CN202165470U (en) * | 2011-06-09 | 2012-03-14 | 湖北汽车工业学院 | Expansion connecting device |
-
2012
- 2012-12-13 CN CN2012105380597A patent/CN102979828A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB344139A (en) * | 1930-01-15 | 1931-03-05 | Frank Croft | Improvements in flexible couplings for rotary shafts |
| US4072028A (en) * | 1976-08-19 | 1978-02-07 | The Falk Corporation | Indexing coupling |
| CN2331787Y (en) * | 1998-07-22 | 1999-08-04 | 沈阳重矿机械厂 | Single-cone three-piece type expansion hub |
| CN202032010U (en) * | 2011-04-22 | 2011-11-09 | 浙江精基机电有限公司 | Coupler with liner expanding sleeves and keys between hubs |
| CN202165470U (en) * | 2011-06-09 | 2012-03-14 | 湖北汽车工业学院 | Expansion connecting device |
Non-Patent Citations (1)
| Title |
|---|
| 吴宗泽，卢颂峰，冼健生: "《简明机械零件设计手册》", 31 January 2011, 中国电力出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105299070A (en) * | 2015-12-08 | 2016-02-03 | 江苏新瑞重工科技有限公司 | Inner and outer gear type coupling |
| CN108262765A (en) * | 2016-12-30 | 2018-07-10 | 中国科学院沈阳自动化研究所 | A kind of expander tool that operation is screwed available for manipulator |
| CN110030289A (en) * | 2019-02-27 | 2019-07-19 | 荣基工业科技（江苏）有限公司 | A kind of flush type coupler structure |
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Application publication date: 20130320 |