CN213151786U - Mining electric wheel dump truck and traction motor thereof - Google Patents
Mining electric wheel dump truck and traction motor thereof Download PDFInfo
- Publication number
- CN213151786U CN213151786U CN202022455331.8U CN202022455331U CN213151786U CN 213151786 U CN213151786 U CN 213151786U CN 202022455331 U CN202022455331 U CN 202022455331U CN 213151786 U CN213151786 U CN 213151786U
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- China
- Prior art keywords
- bearing
- traction motor
- end cover
- electric wheel
- insulating
- 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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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P1/00—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
- B60P1/04—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading with a tipping movement of load-transporting element
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- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/52—Bearings with rolling contact, for exclusively rotary movement with devices affected by abnormal or undesired conditions
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- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
- F16C35/07—Fixing them on the shaft or housing with interposition of an element
- F16C35/077—Fixing them on the shaft or housing with interposition of an element between housing and outer race ring
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/30—Structural association with control circuits or drive circuits
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Motor Or Generator Frames (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a mining electronic round of tipper and traction motor thereof, traction motor include end cover, bearing and insulating bearing housing, and insulating bearing housing sets firmly between end cover and bearing, utilizes insulating bearing housing to separate end cover and bearing, prevents that the bearing from producing an axle current, compares in the bearing of making by insulating material, the utility model discloses an add insulating bearing housing alright avoid standard bearing to produce an axle current, need not the material of change bearing itself, be favorable to reducing traction motor's cost. The utility model discloses a mining electric wheel tipper, including above-mentioned traction motor, the reduction of traction motor cost makes whole car cost reduce thereupon.
Description
Technical Field
The utility model relates to a mining equipment field, in particular to traction motor of mining electronic round of tipper. The utility model discloses still relate to a mining electronic round of tipper that contains aforementioned traction motor.
Background
The mining electric wheel dump truck is usually used for transporting sand, stone, mineral aggregates and the like in large and medium-sized surface mines, and the working environment is severe, so that key parts in the mining electric wheel dump truck, such as a traction motor, are extremely easy to damage, and the working efficiency is seriously influenced, so that the optimization of the internal part structure of the mining electric wheel dump truck is particularly necessary.
Taking a traction motor in a mining electric wheel dump truck as an example, a bearing is usually sleeved on a rotating shaft inside the traction motor, supports the rotating shaft to rotate and is used for bearing an axial load, and effectively prevents a rotor of the traction motor from generating axial movement due to overlarge centrifugal force when climbing a slope or turning. Considering the special working environment of the mining electric wheel dumper, the traction motor needs to meet the requirement of explosion resistance, and the bearing needs to be prevented from generating shaft current. Therefore, the existing traction motor is usually directly provided with a bearing with a function of preventing the generation of shaft current, and the bearing has extremely high requirements on material performance, so that the manufacturing cost and the maintenance cost of the bearing are higher, and the cost of the traction motor is further overhigh.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a traction motor of mining electric wheel tipper has set firmly the insulating bearing housing between end cover and the bearing, prevents that the bearing from producing the axle current, and the material of bearing itself is unchangeable, is favorable to reducing traction motor's cost. Another object of the utility model is to provide a mining electric wheel tipper contains aforementioned traction motor, and the whole car cost reduces along with the reduction of traction motor cost.
The specific scheme is as follows:
the utility model provides a traction motor of mining electric wheel tipper, including end cover, bearing and set firmly between end cover and bearing and be used for separating the two in order to prevent that the bearing from producing the insulating bearing housing of axle current.
Preferably, the bearing further comprises a support sleeve fixedly connected with the end cover, the support sleeve is provided with a limit flange, the insulating bearing sleeve is provided with a stop flange, and the limit flange and the stop flange are respectively abutted against two ends of an outer ring of the bearing.
Preferably, the bearing further comprises an inner oil seal fixedly connected with one side, away from the support sleeve, of the end cover, the inner oil seal is provided with a limit flange, the support sleeve is provided with an abutting flange, and the limit flange and the abutting flange are respectively abutted to two ends of the inner ring of the bearing.
Preferably, the end cover is provided with a limiting groove used for limiting the axial movement of the insulating bearing sleeve, and the insulating bearing sleeve is in interference connection with the limiting groove.
Preferably, meshing teeth and meshing grooves which are matched with each other in the axial direction to limit the insulating bearing sleeve to rotate circumferentially relative to the end cover are arranged between the limiting groove and the insulating bearing sleeve.
Preferably, the insulating bearing sleeve is in interference fit with an outer ring of the bearing.
Preferably, the bearing is a deep groove ball bearing.
Preferably, the end cover and the support sleeve are combined to form a closed oil storage chamber, the rolling body of the bearing is located in the oil storage chamber, the end cover is provided with an oil filling hole communicated with the oil storage chamber to lubricate the rolling body, and the oil filling hole is detachably provided with a plug.
Preferably, the method further comprises the following steps:
the speed measuring fluted disc is coaxially arranged with the bearing;
the speed sensor probe is abutted against the speed measuring fluted disc and is used for detecting the rotating speed of the speed measuring fluted disc;
and the electric connector is detachably connected with the speed sensor probe and is used for transmitting signals.
The utility model provides a mining electronic round of tipper, including the traction motor of above-mentioned arbitrary item.
For background art, the utility model provides a traction motor of mining electric wheel tipper includes end cover, bearing and insulating bearing housing, and insulating bearing housing sets firmly between end cover and bearing, utilizes insulating bearing housing to separate end cover and bearing, prevents that the bearing from producing the axle current, compares in the bearing of making by insulating material, the utility model discloses an add insulating bearing housing alright avoid standard bearing to produce the axle current, need not the material of change bearing itself, be favorable to reducing traction motor's cost.
The utility model provides a mining electronic round of tipper, including above-mentioned traction motor, traction motor's cost makes whole car cost reduce thereupon.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a partial sectional view of a traction motor of a mining electric wheel dump truck according to an embodiment of the present invention.
The reference numbers are as follows:
the device comprises an end cover 1, a bearing 2, an insulating bearing sleeve 3, a supporting sleeve 4, an inner oil seal 5, an oil storage chamber 6, an oil filling hole 7, a speed measuring fluted disc 8, a speed sensor probe 9 and an electric connector 10.
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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In order to make the technical field better understand the solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, fig. 1 is a partial cross-sectional view of a traction motor of a mining electric wheel dump truck according to an embodiment of the present invention.
The embodiment of the utility model discloses traction motor of mining electric wheel tipper, including end cover 1, bearing 2 and insulating bearing housing 3, on the pivot was located to end cover 1 and the 2 coaxial sleeves of bearing, made bearing 2 support end cover 1 revolute the rotation of axes. The bearing 2 is a standard component, specifically a deep groove ball bearing, and is used for bearing axial load and impact and preventing the rotor of the traction motor from axially moving.
Insulating bearing housing 3 sets firmly between end cover 1 and bearing 2, utilizes insulating bearing housing 3 to separate end cover 1 and bearing 2, prevents that bearing 2 from producing the axle current. Insulating bearing housing 3 is made by insulating material, compares in the bearing 2 of being made by insulating material and forms, the utility model discloses an add insulating bearing housing 3 alright avoid standard bearing 2 to produce the axle current, need not the material of change bearing 2 itself, be favorable to reducing traction motor's cost.
The utility model provides a traction motor is still including supporting cover 4, supports cover 4 and links firmly with end cover 1 mutually. The supporting sleeve 4 is provided with a limit flange, and correspondingly the insulating bearing sleeve 3 is provided with a stop flange, and the limit flange and the stop flange respectively abut against two ends of the outer ring of the bearing 2 to limit the axial movement of the outer ring of the bearing 2. The support sleeve 4 is fixedly connected with the end cover 1 through a plurality of connecting bolts. The stop flange and the limit flange are both circular.
Similarly, the utility model provides a traction motor still includes interior oil blanket 5, and interior oil blanket 5 links firmly with one side that end cover 1 kept away from and supports cover 4 mutually, and interior oil blanket 5 is equipped with stop flange, supports cover 4 and is equipped with the butt flange, and stop flange offsets with the inner circle both ends of bearing 2 respectively with the butt flange to inject the inner circle axial displacement of bearing 2. The limiting flange and the abutting flange are both in a circular ring shape.
In order to limit the insulating bearing sleeve 3, the end cover 1 is provided with a limiting groove, the limiting groove is abutted against the insulating bearing sleeve 3, and the insulating bearing sleeve 3 is limited to move axially. The insulating bearing sleeve 3 is in interference connection with the limiting groove, so that the insulating bearing sleeve 3 and the end cover 1 synchronously rotate, and the insulating bearing sleeve 3 and the end cover 1 are prevented from rotating relatively along the circumferential direction. The limiting groove is a cylindrical groove, but not limited thereto.
For further preventing insulating bearing housing 3 and end cover 1 from taking place relative rotation along circumference, interlock tooth and the interlock groove of mutually supporting between spacing groove and the insulating bearing housing 3, interlock tooth and interlock groove all extend along the axial, make the two mutually support along the axial, the reliability is higher. The interlock tooth is specifically for locating the rectangular channel of spacing inslot wall, and the interlock groove is specifically for locating the rectangular tooth of 3 peripheries of insulating bearing housing, certainly, exchanges the interlock tooth and sets up the position with the interlock groove, or changes the structure in interlock tooth and interlock groove, all does not all influence the realization the utility model discloses a purpose.
In addition, the insulating bearing sleeve 3 is also in interference connection with the outer ring of the bearing 2, so that the insulating bearing sleeve 3 and the outer ring rotate synchronously.
One side that end cover 1 is close to bearing 2 is equipped with the left side recess, one side that support cover 4 is close to bearing 2 is equipped with the right side recess, left side recess and right side recess cooperation form confined oil storage chamber 6 after end cover 1 makes up with support cover 4, and the rolling element of bearing 2 is located oil storage chamber 6, makes the interior lubricating oil of oil storage chamber 6 fully soak the rolling element, makes the rolling element slow down wearing and tearing, still can avoid the rolling element to take place the card dead to the life of extension rolling element, and then the life of extension bearing 2.
In order to conveniently fill oil into the oil storage chamber 6, the end cover 1 is provided with an oil filling hole 7 communicated with the oil storage chamber 6, and lubricating oil flows into the oil storage chamber 6 from the oil filling hole 7. The arrangement of the oil filling hole 7 can ensure that the motor is not supplemented with bearing lubricating grease under the condition of disassembly, prevent the dry grinding phenomenon of the bearing 2 due to lack of the lubricating grease, and is favorable for prolonging the service life of the bearing 2.
In order to prevent the oil in the oil storage chamber 6 from being polluted, the oil filling hole 7 is provided with a plug, and the oil filling hole 7 is in threaded connection with the plug, so that the oil filling hole 7 and the plug are detachably connected. The provision of the plug prevents contamination of the lubricating oil.
The utility model discloses still including the fluted disc 8, the speedtransmitter probe 9 and the electric connector 10 of testing the speed, the fluted disc 8 and the coaxial setting of bearing 2 of testing the speed, the fluted disc 8 and the pivot interference of testing the speed are connected, and the concrete specification of the fluted disc 8 that tests the speed can refer to prior art. The speed sensor probe 9 is abutted against the speed measuring fluted disc 8 so as to detect the rotating speed of the speed measuring fluted disc 8 by using the speed sensor probe 9.
The speed sensor probe 9 is designed in a separable mode, namely the speed sensor probe 9 is detachably connected with the electric connector 10, the electric connector plug and the electric connector socket of the electric connector 10 connect the speed sensor probe 9 with other parts, the electric connector plug and the electric connector socket are electrically connected with the jack by virtue of the contact pin, and the electric connector 10 enables signals collected by the speed sensor probe 9 to be sent to the controller in real time. The separated design of the speed sensor probe 9 can ensure that the speed sensor is replaced without consuming a large amount of time to disassemble the main body of the speed sensor, thereby effectively shortening the maintenance time and reducing the maintenance cost.
The utility model provides a mining electronic round of tipper, including above-mentioned traction motor, traction motor's cost makes whole car cost reduce thereupon.
The mining electric wheel dump truck and the traction motor thereof provided by the utility model are introduced in detail, and the principle and the implementation mode of the utility model are explained by applying a specific embodiment, and the explanation of the above embodiment is only used for helping to understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (10)
1. The traction motor of the mining electric wheel dumper is characterized by comprising an end cover (1), a bearing (2) and an insulating bearing sleeve (3) which is fixedly arranged between the end cover (1) and the bearing (2) and used for separating the end cover from the bearing (2) to prevent the bearing (2) from generating shaft current.
2. The traction motor of the mining electric wheel dumper according to claim 1, characterized by further comprising a support sleeve (4) fixedly connected with the end cover (1), wherein the support sleeve (4) is provided with a limit flange, the insulating bearing sleeve (3) is provided with a stop flange, and the limit flange and the stop flange respectively abut against two ends of an outer ring of the bearing (2).
3. The traction motor of the mining electric wheel dumper according to claim 2, characterized by further comprising an inner oil seal (5) fixedly connected with one side, away from the support sleeve (4), of the end cover (1), wherein the inner oil seal (5) is provided with a limit flange, the support sleeve (4) is provided with an abutting flange, and the limit flange and the abutting flange respectively abut against two ends of an inner ring of the bearing (2).
4. The traction motor of the mining electric wheel dumper according to any one of claims 1-3, characterized in that the end cover (1) is provided with a limiting groove for limiting the axial movement of the insulating bearing sleeve (3), and the insulating bearing sleeve (3) is in interference connection with the limiting groove.
5. The traction motor of the mining electric wheel dumper according to claim 4, characterized in that meshing teeth and meshing grooves are arranged between the limiting groove and the insulating bearing sleeve (3) and are matched with each other in the axial direction to limit the insulating bearing sleeve (3) to rotate circumferentially relative to the end cover (1).
6. The traction motor of the mining electric wheel dumper according to any one of claims 1-3, characterized in that the insulating bearing sleeve (3) is in interference connection with the outer ring of the bearing (2).
7. The traction motor of the mining electric wheel dumper according to any one of claims 1-3, characterized in that the bearing (2) is a deep groove ball bearing.
8. The traction motor of the mining electric wheel dumper according to claim 2, characterized in that the end cover (1) and the support sleeve (4) are combined to form a closed oil storage chamber (6), rolling bodies of the bearing (2) are located in the oil storage chamber (6), the end cover (1) is provided with an oil filling hole (7) communicated with the oil storage chamber (6) to lubricate the rolling bodies, and the oil filling hole (7) is detachably provided with a plug.
9. The traction motor of the mining electric wheel dump truck according to any one of claims 1 to 3, characterized by further comprising:
a speed measuring fluted disc (8) which is coaxial with the bearing (2);
a speed sensor probe (9) which is abutted against the speed measuring fluted disc (8) and is used for detecting the rotating speed of the speed measuring fluted disc (8);
and the electric connector (10) is detachably connected with the speed sensor probe (9) and is used for transmitting signals.
10. A mining electric wheel dump truck characterized by comprising the traction motor of any one of claims 1 to 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022455331.8U CN213151786U (en) | 2020-10-29 | 2020-10-29 | Mining electric wheel dump truck and traction motor thereof |
| PCT/CN2020/137525 WO2022088438A1 (en) | 2020-10-29 | 2020-12-18 | Mining dump truck with electric wheels, and traction electric motor thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022455331.8U CN213151786U (en) | 2020-10-29 | 2020-10-29 | Mining electric wheel dump truck and traction motor thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213151786U true CN213151786U (en) | 2021-05-07 |
Family
ID=75723116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022455331.8U Active CN213151786U (en) | 2020-10-29 | 2020-10-29 | Mining electric wheel dump truck and traction motor thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN213151786U (en) |
| WO (1) | WO2022088438A1 (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101728894B (en) * | 2010-01-15 | 2012-11-14 | 湖南崇德工业科技有限公司 | Insulated end cover for electric motor and generator |
| CN201854126U (en) * | 2010-11-11 | 2011-06-01 | 无锡市中达电机有限公司 | Bearing insulation device of variable-frequency motor |
| CN201789360U (en) * | 2010-11-17 | 2011-04-06 | 湖南汉龙水电设备有限公司 | Bearing bush preventing shaft current |
| CN202127314U (en) * | 2011-06-29 | 2012-01-25 | 湘潭市兴盛液压机械制造有限公司 | Insulation end cover of wind driven generators |
| JP6248280B2 (en) * | 2012-11-22 | 2017-12-20 | パナソニックＩｐマネジメント株式会社 | Electric motor and electric device equipped with the electric motor |
| CN104702051A (en) * | 2015-03-25 | 2015-06-10 | 永济新时速电机电器有限责任公司 | High-reliability speed measuring type double-way speed measuring structure of motor |
| CN108490220A (en) * | 2018-03-30 | 2018-09-04 | 中车永济电机有限公司 | Velocity sensor simulation test device |
| CN109599977A (en) * | 2018-12-11 | 2019-04-09 | 中车株洲电机有限公司 | A kind of motor and its bearing insulation protective device |
-
2020
- 2020-10-29 CN CN202022455331.8U patent/CN213151786U/en active Active
- 2020-12-18 WO PCT/CN2020/137525 patent/WO2022088438A1/en active Application Filing
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| Publication number | Publication date |
|---|---|
| WO2022088438A1 (en) | 2022-05-05 |
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