CN105715685A - Transmission coupling of electric hydraulic pump - Google Patents
Transmission coupling of electric hydraulic pump Download PDFInfo
- Publication number
- CN105715685A CN105715685A CN201610243329.XA CN201610243329A CN105715685A CN 105715685 A CN105715685 A CN 105715685A CN 201610243329 A CN201610243329 A CN 201610243329A CN 105715685 A CN105715685 A CN 105715685A
- Authority
- CN
- China
- Prior art keywords
- coupling
- coupling band
- hydraulic pump
- electric hydraulic
- transmission
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/02—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
Abstract
The invention discloses a transmission coupling of an electric hydraulic pump. The coupling comprises a first coupling sleeve and a second coupling sleeve; a positioning sleeve hole is formed in one end of the second coupling sleeve, and a first stepped shaft segment matched with the positioning sleeve hole is arranged at one end of the first coupling sleeve; the coupling sleeve inner wall at the other end of the second coupling sleeve and the coupling sleeve inner wall at the other end of the first coupling sleeve are each provided with a spline; the first coupling sleeve and the second coupling sleeve are circumferentially connected in a transmission manner through an elastic clamping spring sleeve; and coaxiality of the first coupling sleeve and the second coupling sleeve during connection is high, and transmission losses of torque are reduced. In addition, the elastic clamping spring sleeve is adopted to bear and transmit the torque, and during starting or overloads, the aim that slipping protection equipment is not prone to being damaged can be achieved.
Description
Technical field
The present invention relates to a kind of shaft coupling technical field, be specifically related to the transmission coupling of a kind of electric hydraulic pump.
Background technology
Rigid shaft is used to connect hydraulic pump when the electro-motor of the electric hydraulic pump under prior art connects, i.e. the electro-motor hydraulic pump of rigid shaft transmission moment of torsion.If in use driving the power shaft of axle deviation hydraulic pump, because the imbalance of driving torque may result in being transferred to the improper torsional forces of hydraulic pump, cause the intraware premature failure of the abrasion of hydraulic pump, hydraulic pump.Additionally, rigid shaft transmission moment does not have buffering course, when causing power transmission shaft startup work, instantaneous torque is very big, it is easy to cause cracking shadow inside power transmission shaft and then ringing service life.
Summary of the invention
For solving above-mentioned technical problem, the invention provides the transmission coupling of a kind of electric hydraulic pump.
To achieve these goals, the technical solution adopted for the present invention to solve the technical problems is: the transmission coupling of a kind of electric hydraulic pump, including coupling band one and coupling band two, one end of described coupling band two is provided with location trepanning, and one end of described coupling band one is provided with and positions the first ladder shaft part that trepanning matches；Spline is all offered on the other end sleeve lining of coupling band two and on the other end sleeve lining of coupling band one；Described coupling band one and coupling band two overlap circumference by elastic circlip and are in transmission connection.
The transmission coupling of a kind of electric hydraulic pump that the present invention further provides, is interference fits between its location trepanning and first ladder shaft part.
The transmission coupling of a kind of electric hydraulic pump that the present invention further provides, the middle part of its first ladder shaft part offers the first annular groove, it is positioned on the medial wall of location trepanning and offers the second annular groove, being axially positioned by hole jump ring between described first ladder shaft part and location trepanning, described hole jump ring axial restraint is connected in the first annular groove and the second annular groove.
The transmission coupling of a kind of electric hydraulic pump that the present invention further provides, the aperture of its location trepanning is provided with the guiding conical surface, the end face outward flange of described first ladder shaft part is also provided with 45 ° of chamferings.
The transmission coupling of a kind of electric hydraulic pump that the present invention further provides, the radial dimension of the outer circumference surface of its coupling band one and coupling band two is equal, and be positioned at coupling band one the other end outer circumference surface on be provided with the shaft shoulder, be positioned at coupling band two the other end outer circumference surface on offer draw-in groove.
The transmission coupling of a kind of electric hydraulic pump that the present invention further provides, the set fastening of its elastic circlip is socketed on the outer circumference surface of coupling band one and coupling band two and by the shaft shoulder and the axle jump ring axial limiting being connected in draw-in groove.
The transmission coupling of a kind of electric hydraulic pump that the present invention further provides, the spline offered on the other end sleeve lining of its coupling band two and on the other end sleeve lining of coupling band one is the internal spline during spline connects.
The transmission coupling of this electric hydraulic pump provided by the invention; it has the beneficial effects that: axiality when coupling band one and coupling band two connect is high; reduce the transmission loss of moment of torsion; additionally adopt elastic circlip set carry and transmit moment of torsion, slipping protection equipment can be realized when starting or overload not easily impaired.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below.
Accompanying drawing 1 is the structural representation of the coupling band one of the present invention；
Accompanying drawing 2 is the sectional structure schematic diagram of the coupling band two of the present invention；
Accompanying drawing 3 is the structural representation of the elastic circlip set of the present invention；
Accompanying drawing 4 is the combinative structure exploded view of the coupling band one of the present invention, coupling band two and hole jump ring；
Accompanying drawing 5 is the combinative structure schematic diagram of the coupling band one of the present invention, coupling band two and hole jump ring；
Accompanying drawing 6 is the combinative structure combinative structure exploded view with elastic circlip set, axle jump ring of coupling band one, coupling band two and hole jump ring；
Accompanying drawing 7 is the combinative structure combinative structure schematic diagram with elastic circlip set, axle jump ring of coupling band one, coupling band two and hole jump ring.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described.
The transmission coupling of 1 one kinds of electric hydraulic pumps as shown in Fig. 1-Fig. 7, including coupling band 1 and coupling band 22, one end of described coupling band 22 is provided with location trepanning 3, and one end of described coupling band 1 is provided with and positions the first ladder shaft part 4 that trepanning 3 matches；Spline is all offered on the other end sleeve lining of coupling band 22 and on the other end sleeve lining of coupling band 1；Described coupling band 1 and coupling band 22 overlap 5 circumferences by elastic circlip and are in transmission connection.
Preferably, it is interference fits between described location trepanning 3 and the first ladder shaft part 4.
Preferably, the middle part of described first ladder shaft part 4 offers the first annular groove 6, it is positioned on the medial wall of location trepanning 3 and offers the second annular groove 7, being axially positioned by hole jump ring 8 between described first ladder shaft part 4 and location trepanning 3, described hole jump ring 8 axial restraint is connected in the first annular groove 6 and the second annular groove 7.
Preferably, the aperture of described location trepanning 3 is provided with the guiding conical surface, the end face outward flange of described first ladder shaft part 4 is also provided with 45 ° of chamferings.Leading the setting of the conical surface, one is easy for connecting of coupling band 1 herein, and two is provide dislocation space when driving the power shaft of axle and hydraulic pump that skew occurs, and better protection drives the power shaft of axle and hydraulic pump.
Further, the radial dimension of the outer circumference surface of described coupling band 1 and coupling band 22 is equal, and be positioned at coupling band 1 the other end outer circumference surface on be provided with the shaft shoulder 9, be positioned at coupling band 22 the other end outer circumference surface on offer draw-in groove 10.
Yet further, described elastic circlip overlaps 5 adapter sleeves and is connected on the outer circumference surface of coupling band 1 and coupling band 22 and by the shaft shoulder 9 and axle jump ring 11 axial limiting that is connected in draw-in groove 10.
Further, the spline offered on the other end sleeve lining of described coupling band 22 and on the other end sleeve lining of coupling band 1 is the internal spline during spline connects.The better effects if arranging connection and transmission of internal spline, grafting is convenient, and the moment of torsion that can carry and transmit is bigger.
The transmission coupling of this electric hydraulic pump provided by the invention; axiality when coupling band one and coupling band two connect is high; reduce the transmission loss of moment of torsion, additionally adopt elastic circlip set carry and transmit moment of torsion, slipping protection equipment can be realized when starting or overload not easily impaired.
The described above of disclosed embodiment of this invention, makes professional and technical personnel in the field be capable of or uses the present invention.The multiple amendment of these embodiments be will be apparent from for those skilled in the art, and generic principles defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention is not intended to be limited to the embodiments shown herein, and is to fit to the widest scope consistent with principles disclosed herein and features of novelty.
Claims (7)
1. the transmission coupling of an electric hydraulic pump, including coupling band one (1) and coupling band two (2), it is characterized in that, one end of described coupling band two (2) is provided with location trepanning (3), and one end of described coupling band one (1) is provided with and positions the first ladder shaft part (4) that trepanning (3) matches；Spline is all offered on the other end sleeve lining of coupling band two (2) and on the other end sleeve lining of coupling band one (1)；Described coupling band one (1) and coupling band two (2) are in transmission connection by elastic circlip set (5) circumference.
2. the transmission coupling of a kind of electric hydraulic pump according to claim 1, it is characterised in that be interference fits between described location trepanning (3) and the first ladder shaft part (4).
3. the transmission coupling of a kind of electric hydraulic pump according to claim 2, it is characterized in that, the middle part of described first ladder shaft part (4) offers the first annular groove (6), it is positioned on the medial wall of location trepanning (3) and offers the second annular groove (7), being axially positioned by hole jump ring (8) between described first ladder shaft part (4) and location trepanning (3), described hole jump ring (8) axial restraint is connected in the first annular groove (6) and the second annular groove (7).
4. the transmission coupling of a kind of electric hydraulic pump according to claim 3, it is characterized in that, the aperture of described location trepanning (3) is provided with the guiding conical surface, the end face outward flange of described first ladder shaft part (4) is also provided with 45 ° of chamferings.
5. the transmission coupling of a kind of electric hydraulic pump according to claim 1, it is characterized in that, the radial dimension of the outer circumference surface of described coupling band one (1) and coupling band two (2) is equal, and be positioned at coupling band one (1) the other end outer circumference surface on be provided with the shaft shoulder (9), be positioned at coupling band two (2) the other end outer circumference surface on offer draw-in groove (10).
6. the transmission coupling of a kind of electric hydraulic pump according to claim 5, it is characterized in that, described elastic circlip set (5) adapter sleeve is connected on the outer circumference surface of coupling band one (1) and coupling band two (2) and passes through the shaft shoulder (9) and axle jump ring (11) axial limiting being connected in draw-in groove (10).
7. the transmission coupling of a kind of electric hydraulic pump according to claim 1-6 any claim, it is characterized in that, the spline offered on the other end sleeve lining of described coupling band two (2) and on the other end sleeve lining of coupling band one (1) is the internal spline during spline connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610243329.XA CN105715685A (en) | 2016-04-19 | 2016-04-19 | Transmission coupling of electric hydraulic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610243329.XA CN105715685A (en) | 2016-04-19 | 2016-04-19 | Transmission coupling of electric hydraulic pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105715685A true CN105715685A (en) | 2016-06-29 |
Family
ID=56161315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610243329.XA Pending CN105715685A (en) | 2016-04-19 | 2016-04-19 | Transmission coupling of electric hydraulic pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105715685A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023005536A1 (en) * | 2021-07-30 | 2023-02-02 | 中车长江运输设备集团有限公司 | Shaft end power generation device, bogie, and railway vehicle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1236657A (en) * | 1968-08-17 | 1971-06-23 | Brown Gear Ind | Power transmission couplings |
| CN101839284A (en) * | 2010-05-24 | 2010-09-22 | 黄天梵 | Double engage spring spline coupling |
| CN203114922U (en) * | 2012-12-21 | 2013-08-07 | 青特集团有限公司 | Direct connecting device for power take-off unit and gear pump of dump truck |
| CN204739108U (en) * | 2015-07-03 | 2015-11-04 | 陕西科技大学 | Torsional spring resilient coupling |
| CN105805178A (en) * | 2014-12-30 | 2016-07-27 | 上海新喆机电技术发展有限公司 | Coupler |
| CN205715324U (en) * | 2016-04-19 | 2016-11-23 | 镇江索达联轴器有限公司 | The transmission coupling of electric hydraulic pump |
-
2016
- 2016-04-19 CN CN201610243329.XA patent/CN105715685A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1236657A (en) * | 1968-08-17 | 1971-06-23 | Brown Gear Ind | Power transmission couplings |
| CN101839284A (en) * | 2010-05-24 | 2010-09-22 | 黄天梵 | Double engage spring spline coupling |
| CN203114922U (en) * | 2012-12-21 | 2013-08-07 | 青特集团有限公司 | Direct connecting device for power take-off unit and gear pump of dump truck |
| CN105805178A (en) * | 2014-12-30 | 2016-07-27 | 上海新喆机电技术发展有限公司 | Coupler |
| CN204739108U (en) * | 2015-07-03 | 2015-11-04 | 陕西科技大学 | Torsional spring resilient coupling |
| CN205715324U (en) * | 2016-04-19 | 2016-11-23 | 镇江索达联轴器有限公司 | The transmission coupling of electric hydraulic pump |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023005536A1 (en) * | 2021-07-30 | 2023-02-02 | 中车长江运输设备集团有限公司 | Shaft end power generation device, bogie, and railway vehicle |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160629 |