CN214125126U - Liquid cooling electromagnetic retarder - Google Patents
Liquid cooling electromagnetic retarder Download PDFInfo
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- CN214125126U CN214125126U CN202021882094.7U CN202021882094U CN214125126U CN 214125126 U CN214125126 U CN 214125126U CN 202021882094 U CN202021882094 U CN 202021882094U CN 214125126 U CN214125126 U CN 214125126U
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Abstract
The utility model provides a liquid cooling electromagnetism retarber, it includes: stator, rotor, transmission shaft, bearing, apron, connecting plate, clamp plate, retaining ring, oil blanket. The surface of the inner space of the stator is provided with a plurality of first turbulence plates which are parallel to each other and a plurality of second turbulence plates which are arranged above the plurality of first turbulence plates which are parallel to each other, the second turbulence plates enclose a through cavity structure, and any row of second turbulence plates and the other adjacent row of second turbulence plates are arranged in a staggered mode. The utility model discloses a liquid cooling electromagnetic retarder has strengthened the turbulent effect of coolant liquid through setting up first turbulent flow board and second turbulent flow board to improve the heat exchange efficiency between coolant liquid and the stator, effectively reduced the temperature of stator, prolonged the life of stator.
Description
Technical Field
The utility model belongs to the technical field of retarder equipment, specific saying relates to a liquid cooling electromagnetism retarder.
Background
The automobile retarder is a device which energizes a magnet exciting coil of a stator assembly through a control circuit to generate a magnetic field, and the rotor assembly rotates at a high speed along with a vehicle transmission part to cut magnetic lines of force to generate reverse torque to decelerate a vehicle. According to different working principles, the automobile retarder can be divided into an electromagnetic retarder, an engine retarding device, a hydraulic retarder, an electric turbine retarder, a motor retarding device, an aerodynamic retarding device and other structural forms. For an electromagnetic retarder, the existing electromagnetic retarder has the problem that the cooling effect is poor, and further the service life of the electromagnetic retarder is influenced.
Therefore, it is necessary to provide a further solution to the above problems.
SUMMERY OF THE UTILITY MODEL
For solving the problem that prior art exists, the utility model provides a liquid cooling electromagnetism retarber.
The technical scheme of the utility model is realized like this:
a liquid-cooled electromagnetic retarder includes: the device comprises a stator, a rotor, a transmission shaft, a bearing, a cover plate, a connecting plate, a pressing plate, a check ring and an oil seal;
the transmission shaft penetrates through the stator and rotates relative to the stator, and the bearing is arranged on the stator and the transmission shaft
The stator is also provided with a cooling liquid inlet between the moving shafts, and the inlet is communicated with the inner space of the stator; the surface of the inner space of the stator is provided with a plurality of first turbulence plates which are parallel to each other and a plurality of second turbulence plates which are arranged above the plurality of first turbulence plates which are parallel to each other, the second turbulence plates surround a through cavity structure, and any row of the second turbulence plates and the other adjacent row of the second turbulence plates are arranged in a staggered manner;
the stator is internally provided with a winding coil, the rotor is fixedly sleeved on the transmission shaft and synchronously moves with the transmission shaft, the rotor is positioned between the stator and the transmission shaft, the bearing is fixedly connected with the stator through a first bolt, the baffle ring is sleeved on the transmission shaft, the baffle ring is positioned between the transmission shaft and the bearing, and the oil seal is arranged between the baffle ring and the bearing;
the cover plates are symmetrically arranged at two ends of the transmission shaft, the cover plates are fixedly connected with the end parts of the transmission shaft through second bolts, the connecting plate is arranged between the cover plates and the rotor, the edge of each cover plate is fixedly connected with the edge of the inner side of the connecting plate through a third bolt, the edge of the outer side of the connecting plate is fixedly connected with the rotor through a fourth bolt, the pressing plate is arranged between the cover plates and the transmission shaft, and the second bolts penetrate through the pressing plate;
the inlet is also provided with a guide rod, a first rotating bearing is sleeved on the guide rod, a plurality of support rods distributed circumferentially are arranged on the inner wall of the inlet, the end parts of all the support rods are fixedly connected with the first rotating bearing, and a gap is formed between the guide rod and the inner wall of the inlet; the top of the guide rod is provided with a plurality of rotating pieces distributed in the circumferential direction, and the bottom of the guide rod is provided with a guide piece.
Further, an S-shaped flow passage or a fold-line-shaped flow passage is formed between the first turbulent flow plates.
Further, an S-shaped flow passage or a fold-line-shaped flow passage is formed between the first turbulent flow plates.
Further, gaps are formed among the second turbulence plates in any row.
Furthermore, a connecting welding plate is arranged above the first turbulence plate, and the first turbulence plate and the second turbulence plate are respectively connected with the connecting welding plate in a welding mode.
Further, the third bolt is a round-head bolt, and the first bolt, the second bolt, the fourth bolt and the fifth bolt are hexagon bolts.
The utility model discloses an operating principle's effect as follows:
compared with the prior art, the utility model discloses a liquid cooling electromagnetic retarder has strengthened the turbulent effect of coolant liquid through setting up first turbulent flow board and second turbulent flow board to improve the heat exchange efficiency between coolant liquid and the stator, effectively reduced the temperature of stator, prolonged the life of stator.
According to the scheme, the inlet is also provided with the guide rod, the guide rod is sleeved with the first rotating bearing, the inner wall of the inlet is provided with a plurality of support rods distributed circumferentially, the end parts of all the support rods are fixedly connected with the first rotating bearing, and a gap is formed between the guide rod and the inner wall of the inlet; the top of the guide rod is provided with a plurality of rotating pieces distributed in the circumferential direction, and the bottom of the guide rod is provided with a guide piece. When the cooling liquid is added, the rotating sheet is rotated, the rotating sheet rotates to drive the guide rod to rotate, the guide rod rotates to enable the guide sheet at the bottom of the guide rod to rotate, the cooling liquid enters from the inlet and flows to the guide sheet along with the guide rod, and the cooling liquid is sprayed out along the circumferential direction by the rotating guide sheet, so that the cooling liquid can more uniformly contact with a turbulent plate or a stator in the stator, the heat absorption effect of the cooling liquid is better, and the poor heat absorption effect caused by the uneven distribution of the cooling liquid is avoided.
Drawings
FIG. 1 is a first schematic structural diagram of a liquid-cooled electromagnetic retarder of the present invention;
FIG. 2 is a cross-sectional view of a first turbulence plate and a second turbulence plate of a liquid-cooled electromagnetic retarder according to the present invention;
fig. 3 is the utility model discloses a guiding rod structure schematic diagram of liquid cooling electromagnetic retarder.
The reference numerals include: the stator comprises a stator 1, a rotor 2, a transmission shaft 3, a bearing 4, a cover plate 5, a connecting plate 6, a pressure plate 7, a retainer ring 8, an oil seal 9, an inlet 10, a winding coil 11, a first turbulent flow plate 12, a second turbulent flow plate 13, a flow guide rod 15, a support rod 16, a first rotating bearing 17, a rotating sheet 18 and a flow guide sheet 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Example 1
As shown in fig. 1-3, a liquid-cooled electromagnetic retarder includes a stator 1, a rotor 2, a transmission shaft 3, a bearing 4, a cover plate 5, a connecting plate 6, a pressure plate 7, a retainer ring 8, and an oil seal 9.
The stator 1 is provided with a winding coil 11, the transmission shaft 3 penetrates through the stator 1 and rotates relative to the stator 1, the rotor 2 is fixedly sleeved on the transmission shaft 3 and synchronously moves with the transmission shaft 3, and the rotor 2 is positioned between the stator 1 and the transmission shaft 3. Therefore, when the winding coil 11 is electrified, the winding coil 11 generates a magnetic field, the rotor 2 rotates at a high speed along with a vehicle transmission part, magnetic lines of force are cut, reverse torque is generated, and the vehicle is decelerated.
In order to facilitate the rotation of the transmission shaft 3 relative to the stator 1, the bearing 4 is disposed between the stator 1 and the transmission shaft 3. Specifically, the bearing 4 is fixedly connected with the stator 1 through a first bolt, the retainer ring 8 is sleeved on the transmission shaft 3, the retainer ring 8 is located between the transmission shaft 3 and the bearing 4, and the oil seal 9 is arranged between the retainer ring 8 and the bearing 4. The bearing 4 is a needle bearing 4 or a ball bearing 4, and the retainer ring 8 is a rubber retainer ring with a rectangular cross section.
As shown in fig. 2 and 3, in order to cool the stator 1, the stator 1 is further provided with an inlet 10 for cooling fluid, and the inlet 10 is communicated with the internal space of the stator 1. Thereby, cooling liquid enters the inner space of the stator through the inlet 10, achieving cooling of the stator 1.
In order to enhance the turbulence effect of the cooling liquid and improve the heat exchange efficiency between the cooling liquid and the stator, a plurality of first turbulence plates 12 which are parallel to each other and a plurality of second turbulence plates 13 which are arranged above the plurality of first turbulence plates 12 which are parallel to each other are arranged on the surface of the inner space of the stator 1, and the second turbulence plates 13 form a through cavity structure. Gaps for cooling liquid to flow through are formed among a plurality of second turbulence plates 13 in any row. Any row of the second turbulence plates 13 is arranged in a staggered manner with the other adjacent row of the second turbulence plates 13. In this way, when the cooling liquid flows through the first and second turbulence plates 12 and 13, the flow direction of the cooling liquid is changed at the moment when the first and second turbulence plates 12 and 13 are used, so that the cooling liquid can be in sufficient contact with the stator, and the stator 1 can be sufficiently cooled.
An S-shaped flow passage or a fold-line-shaped flow passage is formed between the first turbulent flow plates 12. The cavity structure formed by the second turbulent flow plate 13 is a through cuboid structure, a connecting welding plate is arranged above the second turbulent flow plate 12, and the first turbulent flow plate 12 and the second turbulent flow plate are respectively connected with the connecting welding plate in a welding mode.
In order to realize the fixed connection between the rotor 2 and the transmission shaft 3, the cover plates 5 are symmetrically arranged at two ends of the transmission shaft 3, the cover plates 5 are fixedly connected with the end parts of the transmission shaft 3 through second bolts, the connecting plate 6 is arranged between the cover plates 5 and the rotor 2, the edge of the cover plate 5 is fixedly connected with the inner edge of the connecting plate 6 through third bolts, the outer edge of the connecting plate 6 is fixedly connected with the rotor 2 through fourth bolts, the pressing plate 7 is arranged between the cover plates 5 and the transmission shaft 3, and the second bolts penetrate through the pressing plate 7. The third bolt is a round-head bolt, and the first bolt, the second bolt and the fourth bolt are hexagon bolts.
The inlet is also provided with a guide rod 15, a first rotating bearing 17 is sleeved on the guide rod 15, a plurality of support rods 16 distributed circumferentially are arranged on the inner wall of the inlet, the end parts of all the support rods 16 are fixedly connected with the outer ring of the first rotating bearing 17, and a gap is formed between the guide rod 15 and the inner wall of the inlet; the top of the guide rod 15 is provided with a plurality of rotating pieces 18 distributed in the circumferential direction, and the bottom of the guide rod 15 is provided with a guide piece 19.
To sum up, the utility model discloses a liquid cooling electromagnetic retarder has strengthened the turbulent effect of coolant liquid through setting up first turbulent flow board and second turbulent flow board to improve the heat exchange efficiency between coolant liquid and the stator, effectively reduced the temperature of stator, prolonged the life of stator. Just the utility model discloses a liquid cooling electromagnetic retarder can realize the dismantlement formula and connect to be favorable to the installation and the maintenance of liquid cooling electromagnetic retarder.
When cooling liquid is added, the rotating sheet 18 is rotated, the rotating sheet 18 rotates to drive the guide rod 15 to rotate, the guide rod 15 rotates to enable the guide sheet 19 at the bottom of the guide rod 15 to rotate, the cooling liquid enters from the inlet and flows to the guide sheet 19 along with the guide rod 15, and the cooling liquid is sprinkled out along the circumferential direction by the rotating guide sheet 19, so that the cooling liquid can more uniformly contact with a turbulent plate or a stator in the stator, the heat absorption effect of the cooling liquid is better, and the poor heat absorption effect caused by the uneven distribution of the cooling liquid is avoided.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (7)
1. A liquid-cooled electromagnetic retarder, comprising: the device comprises a stator, a rotor, a transmission shaft, a bearing, a cover plate, a connecting plate, a pressing plate, a check ring and an oil seal;
the transmission shaft penetrates through the stator and rotates relative to the stator, the bearing is arranged between the stator and the transmission shaft, the stator is also provided with a cooling liquid inlet, and the inlet is communicated with the inner space of the stator; the surface of the inner space of the stator is provided with a plurality of first turbulence plates which are parallel to each other and a plurality of second turbulence plates which are arranged above the plurality of first turbulence plates which are parallel to each other, the second turbulence plates surround a through cavity structure, and any row of the second turbulence plates and the other adjacent row of the second turbulence plates are arranged in a staggered manner;
the stator is internally provided with a winding coil, the rotor is fixedly sleeved on the transmission shaft and synchronously moves with the transmission shaft, the rotor is positioned between the stator and the transmission shaft, the bearing is fixedly connected with the stator through a first bolt, the baffle ring is sleeved on the transmission shaft, the baffle ring is positioned between the transmission shaft and the bearing, and the oil seal is arranged between the baffle ring and the bearing;
the cover plates are symmetrically arranged at two ends of the transmission shaft, the cover plates are fixedly connected with the end parts of the transmission shaft through second bolts, the connecting plate is arranged between the cover plates and the rotor, the edge of each cover plate is fixedly connected with the edge of the inner side of the connecting plate through a third bolt, the edge of the outer side of the connecting plate is fixedly connected with the rotor through a fourth bolt, the pressing plate is arranged between the cover plates and the transmission shaft, and the second bolts penetrate through the pressing plate;
the inlet is also provided with a guide rod, a first rotating bearing is sleeved on the guide rod, a plurality of support rods distributed circumferentially are arranged on the inner wall of the inlet, the end parts of all the support rods are fixedly connected with the first rotating bearing, and a gap is formed between the guide rod and the inner wall of the inlet; the top of the guide rod is provided with a plurality of rotating pieces distributed in the circumferential direction, and the bottom of the guide rod is provided with a guide piece.
2. A liquid-cooled electromagnetic retarder according to claim 1, characterized in that an S-shaped flow passage or a fold-line shaped flow passage is formed between the first turbulence plates.
3. The liquid-cooled electromagnetic retarder of claim 1, wherein a gap is formed between a plurality of the second turbulators in any one row.
4. The liquid-cooled electromagnetic retarder according to claim 1, wherein a connecting welding plate is arranged above the first turbulence plate, and the first turbulence plate and the second turbulence plate are respectively connected with the connecting welding plate in a welding manner.
5. The liquid-cooled electromagnetic retarder of claim 1, wherein the third bolt is a round-head bolt, and the first, second, fourth and fifth bolts are hexagon bolts.
6. The liquid-cooled electromagnetic retarder of claim 1, wherein the bearing is a needle bearing or a ball bearing.
7. The liquid-cooled electromagnetic retarder of claim 1, wherein the check ring is a rubber check ring with a rectangular cross section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021882094.7U CN214125126U (en) | 2020-09-02 | 2020-09-02 | Liquid cooling electromagnetic retarder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021882094.7U CN214125126U (en) | 2020-09-02 | 2020-09-02 | Liquid cooling electromagnetic retarder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214125126U true CN214125126U (en) | 2021-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021882094.7U Active CN214125126U (en) | 2020-09-02 | 2020-09-02 | Liquid cooling electromagnetic retarder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214125126U (en) |
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2020
- 2020-09-02 CN CN202021882094.7U patent/CN214125126U/en active Active
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