CN207960928U - A kind of duplex gear pump - Google Patents
A kind of duplex gear pump Download PDFInfo
- Publication number
- CN207960928U CN207960928U CN201820348369.5U CN201820348369U CN207960928U CN 207960928 U CN207960928 U CN 207960928U CN 201820348369 U CN201820348369 U CN 201820348369U CN 207960928 U CN207960928 U CN 207960928U
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- China
- Prior art keywords
- gear pump
- pump
- duplex
- nipper wheel
- rear gear
- 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.)
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Abstract
The utility model discloses a kind of duplex gear pumps, belong to gear pump field；The technical problem to be solved is that provide it is a kind of being adapted to huge discharge, high pressure problem and small displacement, high pressure exist simultaneously the problem of duplex pump；Solve the technical solution that the technical problem uses for：A kind of duplex gear pump, including nipper wheel pump and rear gear pump, the spline housing of transmission shaft output end is connected between nipper wheel pump and rear gear pump, it is both provided with splined shaft on nipper wheel pump and rear gear pump, it is provided with floating side plate and rolling bearing on the splined shaft of nipper wheel pump, axle sleeve is provided in rear gear pump, does not have seal groove and sealing ring in floating side plate, axle sleeve is floating buss, and rolling bearing is needle bearing；The utility model can be widely applied to gear pump field.
Description
Technical field
A kind of duplex gear pump of the utility model, belongs to gear pump technical field.
Background technology
Under energy crisis and the dual-pressure of problem of environmental pollution, exploitation is without using the new energy that petroleum chemicals are fuel
Vehicle is extremely urgent, is the automobile of power-driven system by greater impact using traditional combustion engine, an electric vehicle revolution is being opened up
It opens, the motorized of passenger car and commercial car is also flourished, and a member of dregs transportation vehicle as commercial car, is always us
Urban construction, dregs transportation make huge contribution, let us can be rated as city there are one clean and tidy, beautiful, comfortable living environment
" porter " that city is built, actuating quantity is big in urban construction.
The drive system of traditional dregs transportation vehicle is using internal combustion engine as power, and using high-pressure gear pump, but discharge capacity is big, uses
Sliding bearing, friction is big, and mechanical efficiency is low, and service life is short.
Utility model content
The utility model overcomes the shortcomings of the prior art, provides that one kind being adapted to huge discharge, high pressure is asked
The duplex pump for the problem of topic and small displacement, high pressure exist simultaneously.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：A kind of duplex gear pump, including it is preceding
Gear pump and rear gear pump, are connected with the spline housing of transmission shaft output end between nipper wheel pump and rear gear pump, nipper wheel pump and
It is both provided with splined shaft on rear gear pump, floating side plate and rolling bearing, rear gear pump are provided on the splined shaft of nipper wheel pump
In be provided with axle sleeve.
There is no seal groove and sealing ring in the floating side plate.
The axle sleeve is floating buss.
The rolling bearing is needle bearing.
The utility model has the advantages that compared with prior art.
1, using the cooperation of splined shaft and spline housing, length of action is increased, improves the stability of transmission in use,
It is not easy to occur beating tooth or gear hobbing problem, improves the service life of gear pump.
2, using floating side plate, but there is no seal groove and sealing ring in side plate, simplify structure, it is time saving, laborsaving, it improves
Mechanical efficiency.
3, replace traditional sliding bearing using needle bearing, reduce friction, improve machinery and get off.
4, using the structure of duplex pump, solve the problems, such as that gear pump pressure is high, discharge capacity is big.
Description of the drawings
The utility model is described further below in conjunction with the accompanying drawings.
Fig. 1 is the structural schematic diagram of the utility model.
1 it is nipper wheel pump in figure, 2 be rear gear pump, 3 be floating side plate, 4 be rolling bearing, 5 be axle sleeve, 6 is spline
Axis, 7 are spline housing.
Specific implementation mode
As shown in Figure 1, a kind of duplex gear pump of the utility model, including nipper wheel pump 1 and rear gear pump 2, nipper wheel pump 1
It is connected with the spline housing 7 of transmission shaft output end between rear gear pump 2, spline is both provided on nipper wheel pump 1 and rear gear pump 2
Axis 6 is provided with floating side plate 3 and rolling bearing 4 on the splined shaft 6 of nipper wheel pump 1, axle sleeve 5 is provided in rear gear pump 2, floats
It is floating buss not have seal groove and sealing ring, axle sleeve 5 in dynamic side plate 3, and rolling bearing 4 is needle bearing.
When the utility model is used, be mainly used for environmental sanitation dregs machine, since environmental sanitation dregs machine is there are two hydraulic circuit, two
A hydraulic circuit requirement is inconsistent, by duplex pump, huge discharge, high pressure can be solved the problems, such as by nipper wheel pump, is passed through
Rear gear pump can solve the problems, such as small displacement, high pressure, while save space, simplify structure, reduce manufacture and life
The cost of production, side plate does not use sealing, time saving, laborsaving, is provided with needle bearing, reduces friction, improve mechanical efficiency.
The embodiments of the utility model have been described in detail above with reference to the accompanying drawings, but the utility model is not limited to
Embodiment is stated, within the knowledge of a person skilled in the art, the utility model aims can also not departed from
Under the premise of various changes can be made.
Claims (4)
1. a kind of duplex gear pump, including nipper wheel pump（1）And rear gear pump（2）, nipper wheel pump（1）And rear gear pump（2）It
Between be connected with the spline housing of transmission shaft output end（7）, nipper wheel pump（1）And rear gear pump（2）On be both provided with splined shaft（6）,
It is characterized in that：Nipper wheel pump（1）Splined shaft（6）On be provided with floating side plate（3）And rolling bearing（4）, rear gear pump（2）
In be provided with axle sleeve（5）.
2. a kind of duplex gear pump according to claim 1, it is characterised in that：The floating side plate（3）In it is not close
Sealing groove and sealing ring.
3. a kind of duplex gear pump according to claim 1, it is characterised in that：The axle sleeve（5）For floating buss.
4. a kind of duplex gear pump according to claim 1, it is characterised in that：The rolling bearing（4）For needle roller axis
It holds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820348369.5U CN207960928U (en) | 2018-03-14 | 2018-03-14 | A kind of duplex gear pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820348369.5U CN207960928U (en) | 2018-03-14 | 2018-03-14 | A kind of duplex gear pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207960928U true CN207960928U (en) | 2018-10-12 |
Family
ID=63742659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820348369.5U Active CN207960928U (en) | 2018-03-14 | 2018-03-14 | A kind of duplex gear pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207960928U (en) |
-
2018
- 2018-03-14 CN CN201820348369.5U patent/CN207960928U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |