CN217594938U - Oil injection system for spraying grease to spline region in electric drive system - Google Patents
Oil injection system for spraying grease to spline region in electric drive system Download PDFInfo
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- CN217594938U CN217594938U CN202220621385.3U CN202220621385U CN217594938U CN 217594938 U CN217594938 U CN 217594938U CN 202220621385 U CN202220621385 U CN 202220621385U CN 217594938 U CN217594938 U CN 217594938U
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Abstract
The utility model discloses a fuel injection system for spraying grease in a spline area in an electric drive system, which is characterized in that a drive motor and a fixed sleeve are arranged on a base, a rotary sleeve is arranged on the fixed sleeve, and the rotary sleeve is provided with a fuel injection unit deviating from the axis arrangement of the rotary sleeve; an output shaft of the driving motor is provided with a hollow shaft, and an oil inlet pipeline communicated with the outside through a rotary oil seal is arranged in the hollow shaft; the power supply unit is communicated with an external air inlet pipeline through a rotary sealing mechanism and connected through a rotary power supply mechanism; the oil inlet pipeline, the air inlet pipeline and the power supply unit are all communicated to the oil injection unit; and clamping the spline to be greased on the axis of the rotary sleeve by the clamping unit, and matching the spraying range of the spline to be sprayed with the spraying range of the oil spraying unit. The driving motor drives the rotary sleeve to rotate, the oil spraying unit rotates around the spline, and the sprayed grease can treat a spraying area at the spline to form a smooth grease ring, so that the problem that the requirement of spraying the grease on the spline part cannot be met by a spraying mode is solved.
Description
Technical Field
The utility model belongs to the technical field of the spline fat liquoring, especially, relate to a fuel injection system that is arranged in electric drive system spline region to spout fat liquoring.
Background
In the assembly process of the existing electric drive system, the spline needs to be sprayed with grease in advance and then assembled in the next step, the existing grease spraying method is that grease particles are driven by compressed air to be sprayed onto the spline (a scattering type spraying mode), but the spline is enabled to be wholly and completely covered with grease in the scattering type spraying mode.
In the actual production process, the requirement of only spraying grease on one third or other proportion areas of the spline exists, and the existing spraying mode cannot adapt to the requirement.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an oil spout system that is arranged in electric drive system spline region to spout fat to solve the problem that current spraying mode can't satisfy the spline part and spout the fat demand.
In order to solve the above problem, the technical scheme of the utility model is that:
the utility model discloses a fuel injection system that is arranged in electric drive system spline region to spout fat, include:
a base;
the driving motor is fixed on the base, and an output shaft of the driving motor is a hollow shaft;
the fixed sleeve is fixed on the base, and the hollow shaft extends into the first end of the fixed sleeve;
the rotating sleeve penetrates through the fixed sleeve and is connected with the first end of the hollow shaft;
the oil injection unit is arranged on the rotating sleeve and deviates from the rotating axis of the rotating sleeve, and the oil injection direction of the oil injection unit faces to the rotating axis of the rotating sleeve;
the oil inlet pipeline is arranged in the hollow inner cavity of the hollow shaft in a penetrating manner; the input end of the oil inlet pipeline is provided with a rotary oil seal which is used for being communicated with external oil supply equipment; the output end of the oil inlet pipeline extends out of the rotary sleeve and is used for being communicated with the oil way input end of the oil injection unit;
the output end of the air inlet pipeline is fixed on the rotary sleeve and is communicated with the air path input end of the oil injection unit; the input end of the air inlet pipeline is provided with a rotary sealing mechanism which is used for being communicated with external air supply equipment;
the output end of the power supply unit is fixed on the rotary sleeve and is used for being communicated with the circuit input end of the oil injection unit; the input end of the power supply unit is provided with a rotary power supply mechanism which is used for being electrically connected with external power supply equipment;
and the clamping unit is used for clamping the external spline to the oil injection area of the oil injection unit.
The utility model discloses a fuel injection system that is used for the spline region to spout fat in the electric drive system, rotatory sleeve includes cavity bull stick and carousel;
the first end of the hollow rotating rod is rotatably connected to the hollow shaft through a coupler, and the second end of the hollow rotating rod is fixed on the turntable;
and the turntable is provided with an opening opposite to the hollow rotating rod and used for enabling the output end of the oil inlet pipeline to extend out.
The utility model discloses a fuel injection system for spline region fat spraying in electric drive system, the fixed sleeve is provided with a compressed air inlet; the air inlet pipeline is a compressed air outlet arranged on the rotary table;
the input of compressed air inlet is used for communicating with outside air feeder, compressed air inlet's output with rotary seal mechanism passes through the pipeline intercommunication.
The utility model discloses a fuel injection system that is arranged in electric drive system spline region to spout fat, rotary seal mechanism is oil blanket system.
The utility model discloses a fuel injection system that is arranged in electric drive system spline region to spout fat, rotatory power supply mechanism is the brush.
The utility model discloses a fuel injection system that is arranged in electric drive system spline region to spout fat, rotatory oil blanket is located the inner chamber of quill shaft second end.
The utility model discloses a fuel injection system that is arranged in electric drive system spline region to spout fat, the fuel injection unit includes extension and nozzle;
the first end of the extension piece is fixed on the rotating sleeve and is arranged by deviating from the axis of the rotating sleeve;
the oil spray head is arranged at the second end of the extension piece.
The utility model discloses a fuel injection system that is arranged in electric drive system spline region to spout fat, rotatory sleeve with be equipped with the bearing between the fixed sleeve.
The utility model discloses owing to adopt above technical scheme, make it compare with prior art and have following advantage and positive effect:
according to the embodiment of the utility model, the driving motor and the fixed sleeve are arranged on the base, the rotary sleeve is arranged on the fixed sleeve, and the rotary sleeve is provided with the oil injection unit which is arranged to deviate from the axis of the rotary sleeve; an output shaft of the driving motor is provided with a hollow shaft, and an oil inlet pipeline communicated with the outside through a rotary oil seal is arranged in the hollow shaft; an air inlet pipeline communicated with the outside through a rotary sealing mechanism and a power supply unit connected through a rotary power supply mechanism are arranged; the output ends of the oil inlet pipeline, the air inlet pipeline and the power supply unit are communicated to the oil injection unit and are used for providing required grease, high-pressure air and electric power; and further setting up the clamping unit, will wait to fat the spline centre gripping of fat liquoring on the axis of rotating the sleeve to the region that the spline needs the spraying matches with the spraying scope of oil spout unit. When the driving motor drives the rotary sleeve to rotate, the oil injection unit rotates around the spline, and the oil sprayed out of the oil injection unit can form a smooth oil ring in the spline to be sprayed, so that the problem that the requirement of spraying the oil on the spline part cannot be met by a spraying mode is solved.
Drawings
FIG. 1 is a schematic diagram of a fuel injection system for greasing a spline region of an electric drive system according to the present invention;
FIG. 2 is a cross-sectional view of the fuel injection system of the present invention for greasing the spline area of the electric drive system;
fig. 3 is a schematic view of the rotary sealing mechanism of the present invention for a fuel injection system for greasing a spline region in an electric drive system.
Description of reference numerals: 1: a base; 2: a drive motor; 3: fixing the sleeve; 4: a hollow rotating rod; 5: a turntable; 6: an oil inlet pipeline; 7: a compressed air inlet; 8: a compressed air outlet; 9: an extension member; 10: an oil spray head; 11: a rotor; 12: a seal ring; 13: a rotor air outlet joint; 14: a stator air inlet joint; 15: a stator gas passage; 16: and a stator.
Detailed Description
The following provides a detailed description of an oil injection system for greasing a spline region in an electric drive system according to the present invention with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more fully apparent from the following description and appended claims.
Referring to fig. 1 and 2, in one embodiment, a fuel injection system for greasing a spline region in an electric drive system includes a base 1, a drive motor 2, a fixed sleeve 3, a rotating sleeve, a fuel injection unit, an oil inlet pipe 6, an air inlet pipe, a power supply unit, and a clamping unit.
Wherein, driving motor 2 is fixed on base 1, and driving motor 2's output shaft is the hollow shaft. The fixed sleeve 3 is fixed on the base 1, and the hollow shaft extends into the first end of the fixed sleeve 3. The rotating sleeve penetrates through the fixed sleeve 3 and is connected with the first end of the hollow shaft.
The oil injection unit is arranged on the rotating sleeve, the oil injection unit is deviated from the rotating axis of the rotating sleeve, and the oil injection direction of the oil injection unit faces the rotating axis of the rotating sleeve, so that the oil injection unit can rotate around the axis of the rotating sleeve when the rotating sleeve rotates.
The oil inlet pipeline 6 penetrates through the hollow inner cavity of the hollow shaft. The input end of the oil inlet pipeline 6 is provided with a rotary oil seal which is communicated with external oil supply equipment. The output end of the oil inlet pipeline 6 extends out of the rotary sleeve and is communicated with the oil path input end of the oil injection unit. The oil inlet pipeline 6 rotates along with the rotating sleeve, and is separated from the rotating sleeve through a rotating oil seal at the rear part of the motor and connected with external oil supply equipment to keep the transmission of grease.
The output end of the air inlet pipeline is fixed on the rotary sleeve and is communicated with the air path input end of the oil injection unit. The input end of the air inlet pipeline is provided with a rotary sealing mechanism which is used for being communicated with external air supply equipment. The output end of the power supply unit is fixed on the rotary sleeve and is communicated with the circuit input end of the oil injection unit.
The input end of the power supply unit is provided with a rotary power supply mechanism which is used for being electrically connected with external power supply equipment.
The clamping unit is used for clamping the external spline to the oil injection area of the oil injection unit.
The present embodiment is implemented by providing the driving motor 2 and the fixed sleeve 3 on the base 1, and providing the rotating sleeve on the fixed sleeve 3, which is provided with the oil ejecting unit disposed deviating from the axis thereof. An output shaft of the driving motor 2 is provided as a hollow shaft, and an oil inlet pipeline 6 communicated with the outside through a rotary oil seal is arranged in the hollow shaft. And an air inlet pipeline communicated with the outside through a rotary sealing mechanism and a power supply unit connected through a rotary power supply mechanism are arranged. The output ends of the oil inlet pipeline 6, the air inlet pipeline and the power supply unit are communicated to the oil injection unit and used for providing required grease, high-pressure air and electric power. And further setting up the clamping unit, will wait to fat the spline centre gripping of fat liquoring on the axis of rotating the sleeve to the region that the spline needs the spraying matches with the spraying scope of oil spout unit. When the driving motor 2 drives the rotary sleeve to rotate, the oil spraying unit rotates around the spline, and the oil sprayed out of the oil spraying unit can form a smooth oil ring in the spline to be sprayed, so that the problem that the requirement of spraying the oil on the spline part cannot be met by a spraying mode is solved.
The specific structure of the oil injection system for greasing the spline region in the electric drive system according to the present embodiment will be further described below:
in this embodiment, the rotating sleeve may specifically comprise a hollow rotating rod 4 and a rotating disc 5. The first end of the hollow rotating rod 4 is rotatably connected to the hollow shaft through a coupler, and the second end of the hollow rotating rod 4 is fixed on the turntable 5.
The rotary disc 5 is provided with an opening opposite to the hollow rotary rod 4 for extending the output end of the oil inlet pipeline 6. Wherein, the turntable 5 and the fixed sleeve 3 can be rotationally connected through a bearing.
In this embodiment, the stationary sleeve 3 is provided with a compressed air inlet 7, and the air inlet line may be a compressed air outlet 8 provided on the rotary disk 5. The input end of the compressed air inlet 7 is used for being communicated with external air supply equipment, and the output end of the compressed air inlet 7 is communicated with the rotary sealing mechanism through a set of sealing pipeline. Namely, compressed air is input into the compressed air inlet 7, then communicated to the rotary sealing mechanism through a pipeline, output to the compressed air outlet 8 through the rotary sealing mechanism, and output to the oil injection unit through a pipeline. The rotary sealing mechanism acts on the output end of a pipeline communicated with the compressed air inlet 7 in relative rotation, and ensures that compressed air can be transmitted in the fixed and rotary sealing mechanisms.
Referring to fig. 3, in particular, the rotary sealing mechanism may be an oil seal system. The rotary sealing mechanism may include a rotor 11, a stator 16, and a seal ring 12. The rotor 11 is fixed on the hollow rotating rod 4 or the rotating disk 5, and the stator 16 is fixed on the fixed sleeve 3. A sealing ring 12 is provided in a gap between the rotor 11 and the stator 16, so that a sealed space is formed by the sealing ring 12 which is dynamically sealed. The rotor 11 is provided with a rotor air outlet joint 13 communicated with the sealed space, and the joint can be communicated to the compressed air outlet 8 through a pipeline. The stator 16 is provided with a stator air inlet joint 14, a stator air passage 15 which is communicated with the stator air inlet joint 14 and the sealed space is arranged in the stator 16, and the stator air inlet joint 15 can be communicated with the compressed air inlet 7 through a pipeline. Therefore, the compressed air can be conveyed, and the sealing performance can be ensured.
In the present embodiment, the rotary electric power supply mechanism is in the form of a slip ring brush. Of course, in other embodiments, the rotating power supply mechanism may also be other components that can realize the electrical connection between the fixed end and the rotating end, and is not limited herein.
In this embodiment, the rotary oil seal is disposed in the inner cavity of the second end of the hollow shaft, i.e. the rotary oil seal can be disposed at the rear end of the driving motor 2, facilitating connection with an external oil supply device.
In the present embodiment, the injection unit may specifically include an extension 9 and an injection head 10. The first end of the extension 9 is fixed to the rotating sleeve and is arranged offset from the axis of the rotating sleeve. The oil spray head 10 is arranged at the second end of the extension part 9, and the oil spray head 10 can be connected with the oil inlet pipeline 6 and the oil and air passages of the air inlet pipeline through pipelines (not shown in the figure) and electrically connected with the power supply unit.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments. Even if various changes are made to the present invention, the changes are still within the scope of the present invention if they fall within the scope of the claims and their equivalents.
Claims (8)
1. A fuel injection system for greasing a spline region in an electric drive system, comprising:
a base;
the driving motor is fixed on the base, and an output shaft of the driving motor is a hollow shaft;
the fixed sleeve is fixed on the base, and the hollow shaft extends into the first end of the fixed sleeve;
the rotating sleeve penetrates through the fixed sleeve and is connected with the first end of the hollow shaft;
the oil injection unit is arranged on the rotating sleeve and deviates from the rotating axis of the rotating sleeve, and the oil injection direction of the oil injection unit faces to the rotating axis of the rotating sleeve;
the oil inlet pipeline is arranged in the hollow inner cavity of the hollow shaft in a penetrating mode; the input end of the oil inlet pipeline is provided with a rotary oil seal which is used for being communicated with external oil supply equipment; the output end of the oil inlet pipeline extends out of the rotary sleeve and is used for being communicated with the oil way input end of the oil injection unit;
the output end of the air inlet pipeline is fixed on the rotary sleeve and is communicated with the air path input end of the oil injection unit; the input end of the air inlet pipeline is provided with a rotary sealing mechanism which is used for being communicated with external air supply equipment;
the output end of the power supply unit is fixed on the rotary sleeve and is used for being communicated with the circuit input end of the oil injection unit; the input end of the power supply unit is provided with a rotary power supply mechanism which is used for being electrically connected with external power supply equipment;
and the clamping unit is used for clamping the external spline to the oil injection area of the oil injection unit.
2. The fuel injection system for greasing a spline region of an electric drive system of claim 1, wherein the rotating sleeve comprises a hollow rotating rod and a rotating disk;
the first end of the hollow rotating rod is rotatably connected to the hollow shaft through a coupler, and the second end of the hollow rotating rod is fixed on the turntable;
and the turntable is provided with an opening opposite to the hollow rotating rod and used for enabling the output end of the oil inlet pipeline to extend out.
3. The fuel injection system for greasing a spline region of an electric drive system of claim 2, wherein said stationary sleeve has a compressed air inlet; the air inlet pipeline is a compressed air outlet arranged on the rotary table;
the input of compressed air inlet is used for communicating with outside air supply equipment, compressed air inlet's output with rotary sealing mechanism passes through the pipeline intercommunication.
4. An oil spray system for greasing a splined area of an electric drive system as claimed in claim 1, wherein said rotary seal mechanism is an oil seal system.
5. The fuel injection system for greasing a spline region of an electric drive system of claim 1, wherein the rotary power mechanism is a brush.
6. An oil spray system for greasing a splined area of an electric drive system as recited in claim 1, wherein said rotary oil seal is disposed within said cavity at said second end of said hollow shaft.
7. The fuel injection system for greasing a spline region of an electric drive system of claim 1, wherein the fuel injection unit comprises an extension and a fuel injector head;
the first end of the extending piece is fixed on the rotating sleeve and is arranged in a mode of deviating from the axis of the rotating sleeve;
the oil spray head is arranged at the second end of the extension piece.
8. A fuel injection system for greasing a splined area of an electric drive system as claimed in claim 1, wherein a bearing is provided between said rotating sleeve and said stationary sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220621385.3U CN217594938U (en) | 2022-03-22 | 2022-03-22 | Oil injection system for spraying grease to spline region in electric drive system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220621385.3U CN217594938U (en) | 2022-03-22 | 2022-03-22 | Oil injection system for spraying grease to spline region in electric drive system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217594938U true CN217594938U (en) | 2022-10-18 |
Family
ID=83563432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220621385.3U Active CN217594938U (en) | 2022-03-22 | 2022-03-22 | Oil injection system for spraying grease to spline region in electric drive system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217594938U (en) |
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2022
- 2022-03-22 CN CN202220621385.3U patent/CN217594938U/en active Active
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