CN201265606Y - Gear coupling - Google Patents
Gear coupling Download PDFInfo
- Publication number
- CN201265606Y CN201265606Y CNU2008201342631U CN200820134263U CN201265606Y CN 201265606 Y CN201265606 Y CN 201265606Y CN U2008201342631 U CNU2008201342631 U CN U2008201342631U CN 200820134263 U CN200820134263 U CN 200820134263U CN 201265606 Y CN201265606 Y CN 201265606Y
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- CN
- China
- Prior art keywords
- tooth
- gear coupling
- gear
- external
- ring gear
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- Expired - Fee Related
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Abstract
The utility model provides a tooth coupling which comprises an inner tooth ring with inner teeth, an outer tooth ring with outer teeth, and a positioning device, wherein the inner teeth are meshed with the outer teeth, the positioning device is used for maintaining the corresponding positions of the inner tooth ring and the outer tooth ring and comprises a regulating nut and a regulating washer which are sleeved on the outer tooth ring, the outer circumference surface of the regulating nut and the inner circumference surface of the end of the inner tooth ring are connected by screw threads and are mutually matched, the outer circumference surface of the outer tooth ring is provided with a bulge, and the regulating washer is positioned between the regulating nut and the bulge. According to the tooth coupling, the regulating nut is used for replacing an expansion ring in the traditional tooth coupling, the number of the regulating washers is regulated to allow a regulable corresponding position to exist between the inner tooth ring and the outer tooth ring, and therefore, the utility model overcomes the defect that the traditional tooth coupling can not be regulated.
Description
Technical field
The utility model relates to a kind of gear coupling.
Background technique
Gear coupling is widely used in the various machinery, is used to realize the transmission of power between live axle and the transmission shaft.
Illustrated in figures 1 and 2 is a kind of existing gear coupling, and this gear coupling comprises intermeshing ring gear 1 and external toothing 2, and the positioning device that connects ring gear 1 and external toothing 2, and this positioning device is the packing 3 in the groove 13 that inserts ring gear 1.Between the tooth 5 of packing 3 and engagement, also be provided with the Sealing 4 (comprise and keep circle 8, baffle ring 9 and seal ring 10) of realizing sealing and buffer action.
In this gear coupling, ring gear 1 and external toothing 2 are realized circumferentially location by intermeshing tooth 5 (comprising internal tooth 11 and external tooth 12), realize having definite relative position relation in the axial direction by packing 3.Like this, when external toothing 2 drove ring gear 1 rotation, the two can rotate simultaneously, and has relative position accurately at circumferencial direction and axial direction.
But the shortcoming of this kind gear coupling is: because the existence of packing 3, in a single day this gear coupling finishes assembling, then can not adjust its whole longitudinal length.
For example, the workplace that is used for connecting motor and speed changer at gear coupling, the external toothing 2 of gear coupling is connected with the output shaft (not shown) of motor by mechanical coupling (as key connecting), and ring gear 1 is connected with the input shaft 7 of speed changer by mechanical coupling (as by bolt 6).If exist between actual size between input shaft 7 and the output shaft and the design size than large deviation, then traditional gear coupling of making according to the design size of its input shaft 7 and output shaft is just no longer suitable.At this moment, usually need to come the position between the input shaft 7 of the output shaft of motor and speed changer concerned to adjust by the position of adjusting motor fitting seat and retarder fitting seat.This adjustment operation is wasted time and energy, and also can cause malformation sometimes, reduces the working life of equipment.
Thereby, need a kind of gear coupling that can adjust longitudinal length.
The model utility content
The purpose of this utility model is to overcome the defective that traditional gear coupling can not be adjusted longitudinal length, and a kind of gear coupling that can adjust longitudinal length is provided.
The utility model provides a kind of gear coupling, and this gear coupling comprises the ring gear with internal tooth; External toothing with external tooth, described external tooth and internal tooth engagement; And the positioning device that is used to keep described ring gear and external toothing relative position, wherein, described positioning device comprises the adjustment nut that is set on the external toothing and regulates pad, the inner peripheral surface of the outer peripheral surface of this adjustment nut and described ring gear end cooperatively interacts by scyewed joint, the external peripheral surface of described external toothing is provided with jut, and described adjusting pad is between described adjusting nut and described jut.
According to gear coupling provided by the utility model, use adjusting nut to replace packing in traditional gear coupling, and by the quantity of regulating pad is regulated, thereby allow to have adjustable relative position between ring gear and the external toothing.Thereby, overcome the defective that traditional gear coupling can not be adjusted.
Description of drawings
Fig. 1 is the schematic representation of traditional gear coupling;
Fig. 2 is the part zoomed-in view of gear coupling among Fig. 1;
Fig. 3 is the schematic representation according to gear coupling of the present utility model;
Fig. 4 is the part zoomed-in view of gear coupling among Fig. 3;
Fig. 5 is the schematic representation according to the locking device of the gear coupling of a kind of mode of execution of the utility model;
Fig. 6 is the schematic representation according to the adjusting nut of gear coupling of the present utility model.
Embodiment
Below with reference to accompanying drawing the utility model is described in detail.
As shown in Figure 3 and Figure 4, the utility model provides a kind of gear coupling, and this gear coupling comprises: the ring gear 1 with internal tooth 21; External toothing 2 with external tooth 22, external tooth 22 and internal tooth 21 engagements; And the positioning device that is used to keep ring gear 1 and external toothing 2 relative positions, wherein, positioning device comprises the adjustment nut 30 that is set on the external toothing 2, the inner peripheral surface of the outer peripheral surface of this adjustment nut 30 and ring gear 1 end cooperatively interacts by scyewed joint 31, the external peripheral surface of external toothing 1 is provided with jut 23, regulates pad 33 between adjusting nut 30 and jut 23.
In having the gear coupling of said structure, replaced packing 3 in traditional gear coupling with adjusting nut 30, thereby, by this adjusting nut 30, can keep the relative position between ring gear 1 and the external toothing 2 more exactly, bigger axial force can also be transmitted, thereby workplace that transmission is had relatively high expectations can be applied to.
In addition, owing between the internal tooth 21 of adjusting nut 30 and engagement and external tooth 22, be provided with a plurality of adjusting pads 33, thereby, when the relative position of ring gear 1 and external toothing 2 need change, can pass through to adjust the quantity of pad 33, and allow the relative position between ring gear 1 and the external toothing 2 to adjust.Keep the correct engagement between ring gear 1 and the external toothing 2, so that this gear coupling is among the reliable working state.
As shown in Figure 3, in a kind of typical application occasion, the live axle (not shown) is connected (as by modes such as key connecting, splined, moulding connections) with external toothing 2, and transmission shaft 7 connects (as by modes such as bolt 6, welding) with ring gear 1.External toothing 2 is by the stationary positioned with being connected of live axle, ring gear 1 also by with being connected and stationary positioned of transmission shaft 7.Like this, by including the gear coupling of ring gear 1 and external toothing 2, power is passed to transmission shaft 7 by live axle.
Be able to reliable location (especially in the axial direction) in order to ensure ring gear 1 and external toothing 2, gear coupling also has the positioning device that is used to keep ring gear 1 and external toothing 2 relative positions, like this, when ring gear 1 and external toothing 2 during at high speed rotating, can prevent problem such as rock, make gear coupling be in normal working state.
In the gear coupling that the utility model provides, positioning device comprises the adjustment nut 30 that is set on the external toothing 2 and regulates pad 33.The inner peripheral surface of the outer peripheral surface of this adjustment nut 30 and ring gear 1 end cooperatively interacts by scyewed joint 31, and the external peripheral surface of external toothing 2 is provided with jut 23, regulates pad 33 between adjusting nut 30 and jut 23.
Adjust nut 30 and all be set on the external toothing 2 with adjusting pad 33, that is to say, external toothing 2 inserts in the hollow space of adjusting nuts 30 and adjusting pad 33.Be set on the external toothing 2 for the ease of adjusting nut 30 and regulating pad 33, preferably, the internal diameter of adjusting nut 30 and adjusting pad 33 all is a bit larger tham the external diameter of external toothing 2.
In having the gear coupling of said structure, the design longitudinal length of supposing this gear coupling is L
0If, actual installation dimension L
1Less than this design size L
0, promptly ring gear 1 is offset left with respect to external toothing 2 in Fig. 3, then can increase the quantity of regulating pad 33, makes the thickness of regulating pad 33 become big; If actual installation dimension L
2Greater than this design size L
0, promptly ring gear 1 is offset to the right with respect to external toothing 2 in Fig. 3, then can reduce to regulate the quantity of pad 33, reduces to regulate the thickness of pad 33.
After finishing the selection of regulating pad 33, will regulate pad 33 by adjustment nut 30 and be tightened between the jut 23 of adjusting setting on nut 30 and the external toothing 2.Preferably, in order to realize better sealing, between the tooth (comprising internal tooth 21 and external tooth 22) of jut 23 and engagement, also be provided with Sealing 4 (comprise and keep circle 8, baffle ring 9 and seal ring 10) to internal tooth 21 and external tooth 22.
In gear coupling of the present utility model, just because of utilizing adjusting nut 30 to replace traditional packing 3, thereby can allow this gear coupling to carry out the adjusting of longitudinal length easily.
In order to ensure the positive engagement between the external tooth 22 of the internal tooth 21 of ring gear 1 and external toothing 2, preferably, internal tooth 21 width vertically is greater than external tooth 22 width vertically.Thereby no matter ring gear 1 is with respect to external toothing 2 any direction skew vertically, can both guarantee that whole width of external tooth 22 can both be among the engagement with internal tooth 21.
Further preferably, the maximum ga(u)ge of a plurality of adjustment pads 33 is less than or equal to internal tooth 21 width and external tooth 22 width vertically poor vertically.The maximum ga(u)ge of a plurality of adjusting pads 33 is gear coupling of the present utility model regulation range in a longitudinal direction, if this scope is greater than internal tooth 21 width and external tooth 22 width vertically poor vertically, the part that external tooth 22 then can occur not with the situation of internal tooth 21 engagements, be unfavorable for the transmission of this gear coupling.
Preferably, the maximum ga(u)ge of a plurality of adjustment pads 33 equals internal tooth 21 width and external tooth 22 width vertically poor vertically.Thereby, can obtain bigger regulation range, can guarantee the positive engagement of internal tooth 21 and external tooth 22 again.
In order to prevent adjusting nut 30 fluffing after tightening, even come off, preferably, also be provided with locking device, thereby will adjust nut 30 lockings.
According to a kind of mode of execution of the present utility model, locking device is the spring washer that is arranged between described adjustment nut 30 and the adjustment pad 33.Utilize the elastic force of this spring washer, apply active force longitudinally, increase the dynamics of screw-thread fit, prevent to adjust the effect that nut 30 fluffs thereby play to adjusting nut 30.
According to another kind of mode of execution of the present utility model, described locking device is the thermoplastic resin that is coated in described scyewed joint 31.Before being screwed into adjustment nut 30, on connecting, screw pair applies thermoplastic resin material, as thermoplastic polyurethane, thermoplastic acrylic resin, thermoplastic polyimide resin, thereby, after tightening adjustment nut 30, realize adjusting the fastening of nut 30 by the hardened resin layer that exists in the scyewed joint.When needs unload adjustment nut 30, can heat resin layer, make its fusion, thereby eliminate adjusting the fastening of nut 30.
According to another preferred embodiment of the present utility model, as shown in Figure 5 and Figure 6, described locking device comprises the groove 36 that is arranged on adjustment nut 30 outer peripheral surfaces, be arranged on the tapped hole 35 that radially extends of ring gear 1 end, and pass the screw 34 that this tapped hole 35 inserts described groove 36.
In this embodiment, screw 34 passes the wall of ring gear 1 and enters on the groove 36 of adjusting nut 30, thereby utilizes cooperating of this screw 34 and groove 36, will adjust nut 30 and lock.
Preferably, described tapped hole 35 and with tapped hole 35 corresponding groove 36 be a plurality of, further preferably, tapped hole 35 is 3 to 6, and is symmetrically distributed with respect to the central axis of ring gear 1, to apply active force to adjusting nut 30 equably.
According to mode of execution of the present utility model, the quantity of groove 36 equates with the quantity of tapped hole 35, and groove 36 is corresponding with tapped hole 35.Further, the quantity of screw 34 equates with the quantity of tapped hole 35.
When mounted, nut 30 is adjusted in rotation, and a certain tapped hole 35 is alignd with a certain groove 36, and the satisfied adjustment nut 30 that makes is in tight condition, then screw 34 can be screwed in this tapped hole 35, perhaps a plurality of screws 34 be screwed in many tapped holes 34 and groove 36 simultaneously correspondence.
More than described according to gear coupling of the present utility model, utilized this gear coupling, can adjust the relative position of ring gear and external toothing, thus the application area of this gear coupling that enlarges.
Though above-mentioned is that example is described with embodiment of the present utility model,, will be appreciated by those skilled in the art that the utility model is not limited to above-mentioned concrete mode of execution, its protection domain is limited by appended claims.
Claims (10)
1. gear coupling, this gear coupling comprises:
Ring gear (1) with internal tooth (21);
External toothing (2) with external tooth (22), described external tooth (22) and internal tooth (21) engagement; With
Be used to keep the positioning device of described ring gear (1) and external toothing (2) relative position,
It is characterized in that, described positioning device comprises the adjustment nut (30) that is set on the external toothing (2) and regulates pad (33), the inner peripheral surface of the outer peripheral surface of this adjustment nut (30) and described ring gear (1) end cooperatively interacts by scyewed joint (31), the external peripheral surface of described external toothing (2) is provided with jut (23), and described adjusting pad (33) is positioned between described adjusting nut (30) and the described jut (23).
2. gear coupling according to claim 1 is characterized in that, described internal tooth (21) width vertically is greater than described external tooth (22) width vertically.
3. gear coupling according to claim 2 is characterized in that, the maximum ga(u)ge of described a plurality of adjustment pads (33) equals described internal tooth (21) width and described external tooth (22) width vertically poor vertically.
4. according to claim 1 or 3 described gear couplings, it is characterized in that described positioning device also comprises locking device, described adjustment nut (30) maintains static by this locking device.
5. gear coupling according to claim 4 is characterized in that, described locking device is for being arranged on the spring washer between described adjustment nut (30) and the adjustment pad (33).
6. gear coupling according to claim 4 is characterized in that, described locking device is for being coated in the thermoplastic resin of described scyewed joint (31).
7. gear coupling according to claim 4, it is characterized in that, described locking device comprises the groove (36) that is arranged on described adjustment nut (30) outer peripheral surface, be arranged on the tapped hole (35) that radially extends of described ring gear (1) end, and pass the screw (34) that this tapped hole (35) inserts described groove (36).
8. gear coupling according to claim 7 is characterized in that, described tapped hole (35) is 3 to 6, and is symmetrically distributed with respect to the central axis of described ring gear (1).
9. gear coupling according to claim 8 is characterized in that, the quantity of described groove (36) equates with the quantity of described tapped hole (35), and described groove (36) is corresponding with described tapped hole (35).
10. gear coupling according to claim 1 is characterized in that, described jut (23) is formed by the tooth root portion of described external tooth (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201342631U CN201265606Y (en) | 2008-09-25 | 2008-09-25 | Gear coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201342631U CN201265606Y (en) | 2008-09-25 | 2008-09-25 | Gear coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201265606Y true CN201265606Y (en) | 2009-07-01 |
Family
ID=40831973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201342631U Expired - Fee Related CN201265606Y (en) | 2008-09-25 | 2008-09-25 | Gear coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201265606Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102505294A (en) * | 2011-10-28 | 2012-06-20 | 吴江市金迪喷织厂 | Textile machinery coupling |
| CN103973078A (en) * | 2013-01-30 | 2014-08-06 | 杰达电能科技股份有限公司 | Combination and adjustment structure of coupler |
| CN110469651A (en) * | 2018-05-11 | 2019-11-19 | 日本电产新宝株式会社 | Wave gear device |
| CN111005946A (en) * | 2019-11-20 | 2020-04-14 | 中国船舶重工集团公司第七0五研究所 | Compact centering adjustable vibration isolation coupling |
| CN112943866A (en) * | 2021-01-25 | 2021-06-11 | 江苏三一环境科技有限公司 | Detachable axial transmission mechanism, double-shaft synchronous transmission assembly and granulator |
-
2008
- 2008-09-25 CN CNU2008201342631U patent/CN201265606Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102505294A (en) * | 2011-10-28 | 2012-06-20 | 吴江市金迪喷织厂 | Textile machinery coupling |
| CN103973078A (en) * | 2013-01-30 | 2014-08-06 | 杰达电能科技股份有限公司 | Combination and adjustment structure of coupler |
| CN110469651A (en) * | 2018-05-11 | 2019-11-19 | 日本电产新宝株式会社 | Wave gear device |
| CN111005946A (en) * | 2019-11-20 | 2020-04-14 | 中国船舶重工集团公司第七0五研究所 | Compact centering adjustable vibration isolation coupling |
| CN111005946B (en) * | 2019-11-20 | 2021-10-22 | 中国船舶重工集团公司第七0五研究所 | Compact centering adjustable vibration isolation coupling |
| CN112943866A (en) * | 2021-01-25 | 2021-06-11 | 江苏三一环境科技有限公司 | Detachable axial transmission mechanism, double-shaft synchronous transmission assembly and granulator |
| CN112943866B (en) * | 2021-01-25 | 2023-10-03 | 江苏三一环境科技有限公司 | Detachable axial transmission mechanism, double-shaft synchronous transmission assembly and granulation machine |
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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: PANZHIHUA STEEL GROUP PANGANG GROUP STEEL VANADIUM Free format text: FORMER NAME: PANZHIHUA NEW STEEL + VANADIUM CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: Panzhihua City, Sichuan province 617067 Xiangyang Village East Patentee after: Pangang Group Steel Vanadium & Titanium Co., Ltd. Address before: 617067 Nong Ping, Eastern District, Sichuan, Panzhihua Patentee before: Panzhihua New Steel & Vanadium Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090701 Termination date: 20130925 |