CN104514813A - Gear coupling - Google Patents
Gear coupling Download PDFInfo
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- CN104514813A CN104514813A CN201310461984.9A CN201310461984A CN104514813A CN 104514813 A CN104514813 A CN 104514813A CN 201310461984 A CN201310461984 A CN 201310461984A CN 104514813 A CN104514813 A CN 104514813A
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- shaft
- gear shaft
- joint
- coupling
- gear
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Abstract
The invention discloses a gear coupling. The gear coupling comprises a spline connecting end component, a transition connecting component, a middle connecting component and a connecting sleeve which are connected in sequence, wherein a transmission shaft is axially positioned in the transition connecting component; one end of the transmission shaft is connected with a motor and a transmission shaft of a protector of the motor through a spline coupling, and the other end of the transmission shaft is arranged in the middle connecting component; a first gear shaft and a second gear shaft are arranged in the connecting sleeve and are connected through a spherical supporting component; the second gear shaft swing relative to the first gear shaft at an angle of 360 degrees through the spherical supporting component. The motor transmission shaft is in floating connection with a rotating shaft of a screw pump through the special spherical connecting structure, so the wear is reduced, the life is prolonged, and meanwhile unstable factors in a transmission process are eliminated; the gear coupling has the effects of buffering, reducing vibration and improving the dynamic performance of a shaft system.
Description
Technical field
The present invention relates to a kind of gear coupling, belong to machinery manufacturing technology field.
Background technique
Coupling belongs to mechanical spare part in common use, is used to connect the driving shaft in different institutions and driven shaft, and makes both jointly rotate with the mechanical parts of transmitting torque.In downhole petroleum mining apparatus, need by coupling, drive motor and the transmission shaft of protector thereof to be connected with the rotating shaft of screw pump.Both are rigidly connected by existing coupling; operating environment residing for oil exploration equipment is the power transmission environment of heavy duty; specifically; the load of screw pump is large and also not exclusively constant, constantly changes, cause the axis of rotation of screw pump irregular in the process of operation; cause coupling wear and tear large, the life-span is short; the power of drive motor and protector transmission shaft thereof can not be entirely delivered to the rotating shaft of screw pump, work-loss costs is large, and efficiency is low simultaneously.
Summary of the invention
Technical problem to be solved by this invention is for the deficiencies in the prior art; a kind of gear coupling is provided; the transmission shaft of motor and protector thereof and the rotating shaft floating connection of screw pump is made by special spherical connecting structure; reduce wearing and tearing life-saving; eliminate the destabilizing factor in transmission process simultaneously, there is the effect of buffering, vibration damping and raising axle system dynamic performance.
Technical problem to be solved of the present invention is achieved by the following technical solution:
A kind of gear coupling; comprise the splined end assembly, excessively coupling assembly, middle coupling assembly and the joint sleeve that connect successively; transmission shaft is axially locating in described excessive coupling assembly; one end is connected with motor and protector axle thereof by spline coupling; the other end is arranged in described middle coupling assembly; the first gear shaft and the second gear shaft is provided with in described joint sleeve; both are connected by spherical support elements, and the second gear shaft passes through described spherical support elements relative to the first gear shaft 360 ° swing.
Specifically, described spherical support elements comprises the support being arranged on the first gear shaft joining end and the spherical parts being arranged on the second gear shaft joining end, described support outer surface offers the first groove, and described spherical parts correspondence is embedded in described first groove; Described first gear shaft and the second gear shaft are arranged with spherical support seat respectively, the arc surface of spherical support seat is opened in its side away from connecting end separately, the outside of described spherical support seat is respectively equipped with sphere backing plate and sphere pressing plate, described sphere backing plate and sphere pressing plate offer the second groove, the arc surface of described spherical support seat respectively correspondence is embedded in described second groove, end face and the described transmission shaft end surface of sphere backing plate hold out against, and the end face of sphere pressing plate and the interior edge face of described joint sleeve hold out against; Be set in described first gear shaft to be respectively connected by geared sleeve with the spherical support seat on the second gear shaft.
For the ease of the motion of spherical parts, the shape of described first groove is the circular cone shape of indent.
As required; described splined end assembly comprises joint and joint joint sleeve; described joint is fixed on joint joint sleeve; described joint inside is provided with spline coupling; one end of described spline coupling is connected with motor and protector axle thereof; the other end is connected with described transmission shaft, sheathed first spring and relief piston on described transmission shaft, and described first spring makes described relief piston in the first shaft shoulder location of described transmission shaft.
In addition, described excessive coupling assembly comprises bearing chamber, and the two ends of described bearing chamber are connected with middle coupling assembly with described joint joint sleeve respectively, form airtight space; Described transmission shaft is arranged with thrust-bearing and angular contact bearing, with second shaft shoulder of described transmission shaft for axially locating.
In order to ensure stable connection, described middle coupling assembly comprises transition joint, and the two ends of described transition joint are connected with described joint sleeve with described bearing chamber respectively; Described transmission shaft is connected by spline in described transition joint with described first gear shaft.
In sum; the present invention makes the rotating shaft floating connection of motor and protector transmission shaft and screw pump by special spherical connecting structure; reduce wearing and tearing life-saving, eliminate the destabilizing factor in transmission process simultaneously, there is the effect of buffering, vibration damping and raising axle system dynamic performance.
Below in conjunction with the drawings and specific embodiments, technological scheme of the present invention is described in detail.
Accompanying drawing explanation
Fig. 1 is one of outline drawing of gear coupling of the present invention;
Fig. 2 is the outline drawing two of gear coupling of the present invention;
Fig. 3 is the overall structure schematic diagram of the gear coupling of the invention process example;
Fig. 4 is the rigging position graph of a relation of the present invention first gear shaft, support and spherical parts;
Fig. 5 is the composition structural representation of splined assembly in Fig. 3;
Fig. 6 is the composition structural representation of excessive coupling assembly in Fig. 3;
Fig. 7 is the composition structural representation of middle coupling assembly in Fig. 3;
Fig. 8 is the part composition structural representation in Fig. 3 in joint sleeve;
Fig. 9 is the composition structural representation of the second gear shaft in Fig. 3;
Figure 10 is the general structure sectional drawing of gear coupling of the present invention.
Embodiment
Fig. 1 is one of outline drawing of gear coupling of the present invention; Fig. 2 is the outline drawing two of gear coupling of the present invention.As Fig. 1 and shown in composition graphs 2, the invention provides a kind of gear coupling, comprise the splined end assembly 100 connected successively, excessive coupling assembly 200, middle coupling assembly 300 and joint sleeve 400, transmission shaft 210 is arranged in described excessive coupling assembly 200, one end is connected with the transmission shaft (not shown) of motor and protector thereof by spline coupling 130, the other end is arranged in described middle coupling assembly 300, the first gear shaft 410 and the second gear shaft 420 is provided with in described joint sleeve 400, both are connected by spherical support elements, second gear shaft can relative to the first gear shaft 360 ° swing by described spherical support elements.
Fig. 3 is the overall structure schematic diagram of the gear coupling of the invention process example; Fig. 4 is the rigging position graph of a relation of the present invention first gear shaft, support and spherical parts; Fig. 8 is the part composition structural representation in Fig. 3 in joint sleeve; Fig. 9 is the composition structural representation of the second gear shaft in Fig. 3; Figure 10 is the general structure sectional drawing of gear coupling of the present invention.As Fig. 1 to Fig. 3 and shown in composition graphs 8 to Figure 10, described spherical support elements comprises the support 411 being arranged on the first gear shaft 410 joining end and the spherical parts 421 being arranged on the second gear shaft 420 joining end, described support outer surface offers the first groove 4111, described spherical parts 421 correspondence is embedded in described first groove 4111.For the ease of the motion of spherical parts, the shape of described first groove is the circular cone shape of indent.Described first gear shaft 410 and the second gear shaft 420 are arranged with spherical support seat 430 respectively, and the arc surface of spherical support seat is opened in its side away from joining end separately.The outside of described spherical support seat 430 is respectively equipped with sphere backing plate 431 and sphere pressing plate 432, described sphere backing plate 431 and sphere pressing plate 432 offer the second groove 433, the arc surface of described spherical support seat 430 respectively correspondence is embedded in described second groove 433, the end face of sphere backing plate 431 and described transmission shaft 210 end face tightening, the end face of sphere pressing plate 432 and the interior edge face of described joint sleeve 400 hold out against.Be set in described first gear shaft 410 to be respectively connected by geared sleeve 440 with the spherical support seat 430 on the second gear shaft 420.
Specifically, as shown in Figure 10, the main body of this gear coupling includes the first gear shaft 410, geared sleeve 440 and the second gear shaft 420, passes through gears meshing between first, second gear shaft and geared sleeve.Be provided with the axially support that support 411 and spherical parts 421 realize the second gear shaft between first, second gear shaft, adopt umbilical point contact to realize 360 degree of swings of the second gear shaft, thus power compensation is realized to left and right diaxon.For realizing the swing of geared sleeve 440 with the second gear shaft, be also respectively equipped with spherical support seat 430 in the both sides of geared sleeve 440.The spherical support seat 430 of the first gear shaft 410 side is with sphere backing plate 431 by mating spherical surfaces, and the spherical support seat 430 of the second gear shaft 420 side then passes through mating spherical surfaces with sphere pressing plate 432.Compress sphere pressing plate 432 and be provided with spring after sphere pressing plate, realized the compression of sphere pressing plate 432 by two locking nut Regulation springs.Outside gear coupling main body, be provided with joint sleeve 400, be flanged surface on the right side of it.First gear shaft 410 is connected with the transmission shaft 210 importing moment of torsion into by key 450.Spline joint is passed through with spline coupling 130 on the left of transmission shaft 210.Be connected with the transmission shaft (not shown) of motor and protector thereof on the left of spline coupling, realize torque input.Because therefore longer the and crunch of bearing left of transmission shaft 210 is provided with for the angular contact ball bearing 230 of righting and support, for the cylindrical roller thrust bearing 220 of thrust and the deep groove ball bearing 320 for supporting on transmission shaft.Adopt the shaft shoulder to locate on the left of deep groove ball bearing 320, right-hand member is provided with shaft block ring and fixes for bearing.Two locking nuts and lock washer is adopted to fix on the left of angular contact ball bearing 230.Transmission shaft outside is provided with transition joint 310 and bearing chamber 240 forms enclosed space.For realizing the lubrication of bearing, transition joint offers oil hole for oiling.Be provided with seal ring on the right side of transition joint 310, prevent the lubricant oil for bearing lubrication from spilling.Be connected with joint joint sleeve 120 on the left of bearing chamber.The first spring 140 and relief piston 150 is provided with for regulating the internal pressure of joint joint sleeve 120 inside joint joint sleeve 120.Joint joint sleeve 120 offers vent, the screw venting be arranged on vent when pressure is excessive, can be turned on.Be flanged surface on the left of joint joint sleeve 120, be connected with motor side joint by bolt.
Fig. 5 is the composition structural representation of splined assembly in Fig. 3.As shown in Figure 5; described splined end assembly 100 comprises joint 110 and joint joint sleeve 120; described joint 110 is fixed on joint joint sleeve 120; described joint 110 inside is provided with spline coupling 130; one end of described spline coupling 130 is connected with motor and protector axle (not shown) thereof; the other end is connected with described transmission shaft 210; sheathed first spring 140 and relief piston 150 on described transmission shaft 210, described first spring 140 makes described relief piston 150 locate at first shaft shoulder 211 of described transmission shaft 210.Except above-mentioned critical piece, as shown in Figure 5, also include the component that screw association, washer combinations, packing ring, screw etc. are conventional successively, for by being connected and fixed between each critical piece above-mentioned.Joint joint sleeve 120 is combined by central through bore, end-face helical hole and flank threads hole is formed, central through bore is wherein used for through spline coupling 130 and transmission shaft 210, the combination of end-face helical hole is used for being connected with joint 110, and flank threads hole is used for being connected with bolt.Spline coupling 130 is made up of splined hole and flank threads hole, and splined hole is used for being connected with external motor and protector axle (not shown) thereof, and flank threads hole is used for being connected with holding down bolt.
Fig. 6 is the composition structural representation of excessive coupling assembly in Fig. 3.As shown in Figure 6, described excessive coupling assembly 200 mainly comprises bearing chamber 240, and the two ends of described bearing chamber 240 are connected with middle coupling assembly 300 with described joint joint sleeve 120 respectively, form airtight space.Described transmission shaft 210 is arranged with thrust-bearing 220 and angular contact bearing 230, with second shaft shoulder 212 of described transmission shaft 210 for axially locating.In addition, further comprises the component that locking nut and O type circle etc. are conventional.
Fig. 7 is the composition structural representation of middle coupling assembly in Fig. 3.As shown in Figure 7, in order to ensure stable connection, described middle coupling assembly 300 comprises transition joint 310, and the two ends of described transition joint 310 are connected with described joint sleeve 400 with described bearing chamber 240 respectively; Described transmission shaft 210 is connected by spline in described transition joint 310 with described first gear shaft 410.Similarly, in addition, further comprises deep groove ball bearing 320, end ring, seal ring 330, washer combinations and screw association for being connected, locating and sealing.
Below in conjunction with accompanying drawing, the installation of gear coupling of the present invention and connecting shaft process are described in detail:
First, get transmission shaft 210, in the larger one end (right-hand member) of transmission shaft 210 diameter of axle using the shaft shoulder as axially locating, load onto deep groove ball bearing 320 with interference Placement, shaft block ring on card on the right side of it.Be axially locating with the shaft shoulder on the left of transmission shaft 210, load onto cylindrical roller thrust bearing 220.On the left of transmission shaft 210, load onto bearing chamber 240, make the end face close contact of itself and cylindrical roller thrust bearing 220.Then on the left of transmission shaft 210, load angular contact ball bearing 230(and note direction, large mouth is outwardly), locking nut of screwing on the left of it, compresses angular contact ball bearing 230 and cylindrical roller thrust bearing 320.Be loaded on lock washer, one of them locking plate bending snaps in keyway, then a locking nut of screwing on, and prevents nut loosening in the fluting after tightening, the locking plate bending of lock washer being snapped in locking nut.Get relief piston 150, within it, outer ring respectively loads onto O type circle, then it is inserted on the left of transmission shaft with shaft shoulder location.Then on the left of bearing chamber 240, O type circle is also loaded onto in outer ring, gets joint joint sleeve 120 and loads onto on the left of transmission shaft 210, to make on the right side of joint joint sleeve 120 shaft shoulder close contact on the left of axial plane and bearing chamber 240.Get the first spring 140, load onto on the left of transmission shaft 210, then load onto spline coupling 130 at transmission shaft 210 axle head, on spline coupling 130 is locked, Cock screw prevents it from loosening.Then outside spline coupling 130, load onto motor side joint, with hexagon socket head cap screw, it is threadedly attached on joint joint sleeve 120.The tapped hole of joint joint sleeve 120 puts packing ring, at screw of screwing on.O type circle is loaded onto again in motor side joint left groove.So far the main assembling of the left one side of something of gear coupling completes substantially.
Get seal ring 330, in groove, load onto O type circle, it is loaded onto on the right side of transmission shaft 210.Make shaft shoulder close contact on the right side of the seal ring shaft shoulder and transition joint 310.Get screw and load onto packing ring, seal ring and transition joint 310 are locked, reaches sealing effect.
Get the first gear shaft 410 and load onto spherical support seat 430 and sphere backing plate 431 from left side successively, be connected with transmission shaft 210 interference by first gear shaft 410 key, sphere backing plate 431 end face and transmission shaft 210 end face close contact also ensure that transmission shaft can drive the first gear shaft to rotate.Sentence interference connection in the first gear shaft right ports and load onto support 411.On the right side of the first gear shaft, load onto geared sleeve 440, internal tooth on the left of geared sleeve 440 is engaged with the first gear shaft 410 external tooth.
Get spherical parts 421 to be connected with the second gear shaft 420 left hole interference, it is loaded onto on the right side of bearing housing, the sphere of spherical parts 421 is engaged with the second gear shaft 420 external tooth with internal tooth on the right side of support 411 end contact, bearing housing.Should ensure that the motion of transmission shaft 210 can be passed on the second gear shaft 420.Then on the right side of the second gear shaft 420, spherical support seat 430, sphere pressing plate 432 and the second spring 422 is loaded onto successively.On the right side of second gear shaft 420, screw thread is screwed on two locking nuts, regulates the second spring 422 that sphere pressing plate 432 is compressed by locking nut.
Get joint sleeve 400 to load onto on the right side of the second gear shaft 420, make its left-hand axis end face and transition joint 310 shaft shoulder close contact.
Get screwed coupling 500 to load onto on the right side of the second gear shaft 420, to make on the left of it right side groove alignment on tapped hole and the second gear shaft 420.Finally get Cock screw screwed coupling 500 and the second gear shaft 420 are locked.So far whole gear coupling has assembled.
In the course of the work, the transmission of power of motor shaft is given the first gear shaft 410 to gear coupling provided by the present invention by transmission shaft 210, then is passed to the rotating shaft of screw pump by the second gear shaft 420.In the whole transmittance process of power, operating environment residing for oil exploration equipment is the power transmission environment of high-speed overload, the working environment of underground work is very unstable, the load of screw pump is large and also not exclusively constant, constantly change in the process of operation, cause the axis of rotation of screw pump irregular, now, be carried in the force unbalance at the first gear shaft 410 and the second gear shaft 420 two ends, but due between the first gear shaft 410 and the second gear shaft 420 be by support 411 and spherical parts 421 interconnective, and spherical parts 421 can swing in the first groove 4111 of support 411, meanwhile, the sphere being opened in the second groove 433 on sphere backing plate 431 and sphere pressing plate 432 and both sides spherical support seat 430 complements each other to form floating connection, make the second gear shaft 420 can the swing of 360 ° relative to the first gear shaft 410 by described spherical support elements, and then absorb all imbalances and destabilizing factor.
In sum; the present invention makes the rotating shaft floating connection of motor and protector transmission shaft and screw pump by special spherical linkage structure; reduce wearing and tearing life-saving, eliminate destabilizing factor in transmission process simultaneously, there is the effect of buffering, vibration damping and raising axle system dynamic performance.
Claims (6)
1. a gear coupling; comprise the splined end assembly, excessively coupling assembly, middle coupling assembly and the joint sleeve that connect successively; transmission shaft is axially locating in described excessive coupling assembly; one end is connected with motor and protector axle thereof by spline coupling; the other end is arranged in described middle coupling assembly; it is characterized in that: in described joint sleeve, be provided with the first gear shaft and the second gear shaft; both are connected by spherical support elements, and the second gear shaft passes through described spherical support elements relative to the first gear shaft 360 ° swing.
2. gear coupling as claimed in claim 1, it is characterized in that, described spherical support elements comprises the support being arranged on the first gear shaft joining end and the spherical parts being arranged on the second gear shaft joining end, described support outer surface offers the first groove, and described spherical parts correspondence is embedded in described first groove;
Described first gear shaft and the second gear shaft are arranged with spherical support seat respectively, the arc surface of spherical support seat is opened in its side away from connecting end separately, the outside of described spherical support seat is respectively equipped with sphere backing plate and sphere pressing plate, described sphere backing plate and sphere pressing plate offer the second groove, the arc surface of described spherical support seat respectively correspondence is embedded in described second groove, end face and the described transmission shaft end surface of sphere backing plate hold out against, and the end face of sphere pressing plate and the interior edge face of described joint sleeve hold out against;
Be set in described first gear shaft to be respectively connected by geared sleeve with the spherical support seat on the second gear shaft.
3. gear coupling as claimed in claim 2, it is characterized in that, the shape of described first groove is the circular cone shape of indent.
4. gear shaft coupling as claimed in claim 2; it is characterized in that; described splined end assembly comprises joint and joint joint sleeve; described joint is fixed on joint joint sleeve; described joint inside is provided with spline coupling, and one end of described spline coupling is connected with motor and protector axle thereof, and the other end is connected with described transmission shaft; sheathed first spring and relief piston on described transmission shaft, described first spring makes described relief piston in the first shaft shoulder location of described transmission shaft.
5. gear shaft coupling as claimed in claim 4, it is characterized in that, described excessive coupling assembly comprises bearing chamber, and the two ends of described bearing chamber are connected with middle coupling assembly with described joint joint sleeve respectively, form airtight space; Described transmission shaft is arranged with thrust-bearing and angular contact bearing, with second shaft shoulder of described transmission shaft for axially locating.
6. gear shaft coupling as claimed in claim 5, it is characterized in that, described middle coupling assembly comprises transition joint, and the two ends of described transition joint are connected with described joint sleeve with described bearing chamber respectively; Described transmission shaft is connected by spline in described transition joint with described first gear shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310461984.9A CN104514813B (en) | 2013-09-30 | 2013-09-30 | Gear coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310461984.9A CN104514813B (en) | 2013-09-30 | 2013-09-30 | Gear coupling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104514813A true CN104514813A (en) | 2015-04-15 |
| CN104514813B CN104514813B (en) | 2017-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310461984.9A Expired - Fee Related CN104514813B (en) | 2013-09-30 | 2013-09-30 | Gear coupling |
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| Country | Link |
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| CN (1) | CN104514813B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105400926A (en) * | 2015-12-21 | 2016-03-16 | 太原重工股份有限公司 | Steelmaking converter, tilting device and moment balancing device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201125968Y (en) * | 2007-11-23 | 2008-10-01 | 郭太利 | Ball teeth universal joint |
| KR20110021466A (en) * | 2009-08-26 | 2011-03-04 | 부산대학교 산학협력단 | Gear coupling using bevel gear |
| KR20120006737A (en) * | 2010-07-13 | 2012-01-19 | 주식회사 동은전자 | Impact damping coupling |
| CN203604460U (en) * | 2013-09-30 | 2014-05-21 | 浙江中科德润科技有限公司 | Gear coupling |
-
2013
- 2013-09-30 CN CN201310461984.9A patent/CN104514813B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201125968Y (en) * | 2007-11-23 | 2008-10-01 | 郭太利 | Ball teeth universal joint |
| KR20110021466A (en) * | 2009-08-26 | 2011-03-04 | 부산대학교 산학협력단 | Gear coupling using bevel gear |
| KR20120006737A (en) * | 2010-07-13 | 2012-01-19 | 주식회사 동은전자 | Impact damping coupling |
| CN203604460U (en) * | 2013-09-30 | 2014-05-21 | 浙江中科德润科技有限公司 | Gear coupling |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105400926A (en) * | 2015-12-21 | 2016-03-16 | 太原重工股份有限公司 | Steelmaking converter, tilting device and moment balancing device |
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| Publication number | Publication date |
|---|---|
| CN104514813B (en) | 2017-02-08 |
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Effective date of registration: 20170828 Address after: Hangzhou City, Zhejiang province Tonglu County Tonglu 311500 Beach Road Economic Development Zone No. 77 Patentee after: Hangzhou Corecess energy-saving equipment Limited by Share Ltd Address before: 5, 310052 floor, Green fair, -B, 1805 east stream Road, Hangzhou, Zhejiang, Binjiang District Patentee before: Zhejiang Zhongke Derun Technology Co.,Ltd. |
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Granted publication date: 20170208 Termination date: 20190930 |
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