CN218888268U

CN218888268U - Motor set and power system

Info

Publication number: CN218888268U
Application number: CN202320159639.9U
Authority: CN
Inventors: 高门门; 杨凱新; 吴楠; 宋雅君; 崔莹霞
Original assignee: Tianjin Songzheng Intelligent Equipment Co ltd
Current assignee: Tianjin Songzheng Intelligent Equipment Co ltd
Priority date: 2023-01-31
Filing date: 2023-01-31
Publication date: 2023-04-18
Anticipated expiration: 2033-01-31

Abstract

The utility model provides a motor group and driving system relates to motor technical field. The utility model provides a motor group, which comprises a plurality of motors; the motor comprises a front end cover, a rear end cover and a main shaft; the main shaft is provided with a first end and a second end which are opposite, the first end is rotationally connected with the front end cover, and the second end is rotationally connected with the rear end cover; all motors are sequentially connected in series, the main shafts of two adjacent motors are in transmission connection, and the rear end cover of the previous motor is detachably connected with the front end cover of the next motor. Through establishing ties a plurality of motors in proper order, and each spindle drive connects, can adjust the power and the moment of torsion of motor, compare in prior art, power and moment of torsion can be adjusted on a large scale, and the use of motor is more nimble, can satisfy the user demand of different use scenes. Meanwhile, the rear end cover of the motor on the front side is detachably connected with the front end cover of the motor on the rear side, so that the motor can be used like a battery.

Description

Motor set and power system

Technical Field

The utility model belongs to the technical field of the motor technique and specifically relates to a motor group and driving system are related to.

Background

The motor is an electromagnetic device which realizes electric energy conversion or transmission according to an electromagnetic induction law.

In the prior art, generally, a motor is selected according to preset power and torque, and usually, one motor is used alone, so that once the power of the motor is determined, the large-range adjustment is difficult to perform, and the motor is not flexible to use.

SUMMERY OF THE UTILITY MODEL

The utility model discloses (one) the problem that will solve is: most of the existing motors are used independently, and the adjustment of power and torque is inflexible.

(II) technical scheme

In order to solve the above technical problem, an embodiment of an aspect of the present invention provides a motor assembly, including a plurality of motors;

the motor comprises a front end cover, a rear end cover and a main shaft;

the main shaft is provided with a first end and a second end which are opposite, the first end is rotationally connected with the front end cover, and the second end is rotationally connected with the rear end cover;

all the motors are sequentially connected in series, and the adjacent two motors are connected in a manner of spindle transmission, namely the front motor is detachably connected with the rear end cover of the front motor.

Further, the first end is provided with a first end tooth structure;

the second end is provided with a second end tooth structure corresponding to the first end tooth structure;

the first end tooth structure of the former main shaft is meshed with the second end tooth structure of the latter main shaft.

Further, the outer side wall of the first end is also provided with an outer spline structure.

Furthermore, the end face of the first end is provided with a jack, and the end face of the second end is provided with a bolt corresponding to the jack;

the former main shaft and the latter main shaft are positioned through the jack and the bolt.

Furthermore, the device also comprises a pull rod and a locking piece;

the main shafts are hollow shafts, and the interiors of any two adjacent main shafts are communicated;

the pull rod sets up in whole in the main shaft, the both ends of pull rod all are provided with the retaining member is located the pull rod front end the retaining member with be located the front end the first end of main shaft offsets, is located the pull rod rear end the retaining member with be located the rear end the second end of main shaft offsets.

Furthermore, the locking piece is a nut, and thread structures corresponding to the nut are arranged at two ends of the pull rod.

Furthermore, a first positioning structure is arranged on the front end cover, a second positioning structure is arranged on the rear end cover, and the first positioning structure corresponds to the second positioning structure;

the rear end cover of the former motor and the front end cover of the latter motor are positioned through the first positioning structure and the second positioning structure.

Further, the first positioning structure is a ring platform arranged on the surface of the front end cover;

the second positioning structure is a counter bore arranged on the surface of the rear end cover.

Further, bearing grooves are formed in the front end cover and the rear end cover, and bearings are arranged in the bearing grooves;

the first end and the second end are matched with the bearing and are rotatably connected to the front end cover and the rear end cover.

An embodiment of another aspect of the present invention further provides a power system, including the motor assembly according to any one of the above embodiments.

The utility model has the advantages that:

the utility model provides a motor group, which comprises a plurality of motors; the motor comprises a front end cover, a rear end cover and a main shaft; the main shaft is provided with a first end and a second end which are opposite, the first end is rotationally connected with the front end cover, and the second end is rotationally connected with the rear end cover; all the motors are sequentially connected in series, and the two adjacent motors are connected in a transmission manner through the spindle, the front motor is detachably connected with the rear end cover of the front motor.

Through establishing ties a plurality of motors in proper order, and each main shaft drive connects, can adjust the power and the moment of torsion of motor, compare in prior art, power and moment of torsion can adjust on a large scale, and the use of motor is more nimble, can satisfy the user demand of different use scenes. Simultaneously, the rear end housing of the motor of front side and the front end housing that is located the motor of rear side are for dismantling the connection for the user demand can be solved through the quantity that increases or reduces the motor just like the battery uses to the motor.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a motor assembly provided in an embodiment of the present invention;

fig. 2 is a sectional view of a motor assembly provided by an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a motor according to an embodiment of the present invention;

fig. 4 is a cross-sectional view of a motor according to an embodiment of the present invention;

fig. 5 is a schematic structural view of the matching of all the main shafts and the pull rods according to the embodiment of the present invention;

fig. 6 is a partial structural view of a first end of a spindle according to an embodiment of the present invention;

fig. 7 is a partial structural view of a second end of the spindle according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a front end cover according to an embodiment of the present invention;

fig. 9 is a schematic structural diagram of a rear end cap according to an embodiment of the present invention;

fig. 10 is a schematic structural diagram of the first end tooth structure and the second end tooth structure provided in the embodiment of the present invention.

Icon: 1-a motor group; 11-a motor; 111-front end cap; 1111-a first positioning structure; 1112-a ring stand; 112-rear end cap; 1121-second positioning structure; 1122-counter bore; 113-a main shaft; 1131-a first end; 1132 — a second end; 1133 — a first end tooth structure; 1134 — a second end tooth structure; 1135-external spline structure; 1136-latch; 1137-a socket; 12-a pull rod; 13-a locking member; 131-a nut; 14-bearing.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

It should be noted that, in the description of the present invention, the terms "connected" and "mounted" should be interpreted broadly, for example, they may be fixedly connected, detachably connected, or integrally connected; can be directly connected or connected through an intermediate medium; either mechanically or electrically. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1 to 10, an embodiment of the present invention provides a motor assembly 1, where the motor assembly 1 includes a plurality of motors 11.

The motor 11 includes a front cover 111, a rear cover 112, and a main shaft 113.

The main shaft 113 has a first end 1131 and a second end 1132, the first end 1131 is rotationally connected to the front end cover 111, and the second end 1132 is rotationally connected to the rear end cover 112.

All the motors 11 are sequentially connected in series, the main shafts 113 of the two adjacent motors 11 are in transmission connection, and the rear end cover 112 of the former motor 11 is detachably connected with the front end cover 111 of the latter motor 11.

It should be noted that, for convenience of description, the output end of the motor group 1 is a front end, and an end opposite to the front end is a rear end, as shown in fig. 1 and fig. 2.

In the embodiment, the motor assembly 1 is composed of a plurality of motors 11, and each motor 11 includes a front end cover 111, a rear end cover 112, a main shaft 113, and other accessory structures, such as a rotor, a stator, and a housing. The front end cover 111 and the rear end cover 112 are disposed opposite to each other, the main shaft 113 has a first end 1131 and a second end 1132 opposite to each other, the first end 1131 of the main shaft 113 is rotatably connected to the front end cover 111, the second end 1132 of the main shaft 113 is rotatably connected to the rear end cover 112, and the rotation principle of the motor 11 is well known in the art and will not be described herein again. All the motors 11 are sequentially connected in series to form the motor group 1, and the spindles 113 of two adjacent motors 11 are in transmission connection, specifically, the second end 1132 of the spindle 113 located on the front side is in transmission connection with the first end 1131 of the spindle 113 located on the rear side. Preferably, all of the spindles 113 are coaxially disposed.

In the present embodiment, the rear end cover 112 of the motor 11 located on the front side is detachably connected to the front end cover 111 of the motor 11 located on the rear side. When the rear end cover 112 of the front motor 11 is connected with the front end cover 111 of the rear motor 11, the motors 11 form a motor group 1, and when the rear end cover 112 of the front motor 11 is separated from the front end cover 111 of the rear motor 11, a single motor 11 can be used alone.

The embodiment of the utility model provides a motor group 1 through establishing ties a plurality of motors 11 in proper order, and each 113 transmissions of main shaft are connected, can adjust the power and the moment of torsion of motor 11, compares in prior art, and power and moment of torsion can be adjusted on a large scale, and motor 11's use is more nimble, can satisfy the user demand of different use scenes. Meanwhile, the rear end cover 112 of the motor 11 at the front side is detachably connected with the front end cover 111 of the motor 11 at the rear side, so that the motor 11 can be used like a battery, and the use requirement can be solved by increasing or reducing the number of the motors 11.

Moreover, in this embodiment, each motor 11 can be taken out for independent use, so that the rotor of each motor 11 can be dynamically balanced independently, and the motor can be integrally assembled after meeting the performance requirement through a test bench test.

In this embodiment, each motor 11 can be used as a generator or a motor, and the strategy can be adjusted arbitrarily according to the user's requirement, thereby realizing flexible adjustment.

Optionally, in this embodiment, a plurality of through holes are respectively formed in the front end cover 111 and the rear end cover 112 of the motor 11, the through holes in the front end cover 111 and the rear end cover 112 correspond to each other one by one, and the rear end cover 112 of the motor 11 on the front side and the front end cover 111 of the motor 11 on the rear side are detachably connected by matching bolts and the through holes.

Optionally, in this embodiment, the rear end cover 112 of the motor 11 on the front side and the front end cover 111 of the motor 11 on the rear side may also be detachably connected in a snap-fit manner.

The embodiment of the utility model provides a motor group 1, as shown in FIG. 5, FIG. 6, FIG. 7 and FIG. 10, first end 1131 is provided with first end tooth structure 1133.

The second end 1132 is provided with a second end tooth structure 1134 corresponding to the first end tooth structure 1133.

The first end tooth structure 1133 of the previous spindle 113 is engaged with the second end tooth structure 1134 of the next spindle 113.

In this embodiment, the first end 1131 is provided with a first end tooth structure 1133, and the second end 1132 is provided with a second end tooth structure 1134, and the first end tooth structure 1133 corresponds to the second end tooth structure 1134, so that the first end tooth structure 1133 can be engaged with the second end tooth structure 1134.

When the transmission mechanism is assembled, the first end tooth structure 1133 is engaged with the second end tooth structure 1134, so that torque can be transmitted between two adjacent main shafts 113, and transmission connection between two adjacent main shafts 113 is realized.

In this embodiment, two adjacent motors 11 are in transmission connection through the first end tooth structure 1133 and the second end tooth structure 1134, and structures such as a coupler are not required, so that the motors 11 can be assembled and disassembled more conveniently and quickly.

Optionally, in this embodiment, two adjacent main shafts 113 may also be in spline fit, and the transmission connection between two adjacent main shafts 113 can also be achieved.

The embodiment of the utility model provides a motor group 1, as shown in FIG. 6, the lateral wall of first end 1131 still is provided with outer spline structure 1135.

In this embodiment, the first end 1131 of the spindle 113 serves as an output end of the motor 11 and also serves as an output end of the motor set 1, and an external spline structure 1135 is disposed on an external side wall of the first end 1131 for cooperating with a device used by the motor set 1 to transmit torque to the outside.

The embodiment of the utility model provides a motor group 1, as shown in fig. 6 and 7, the terminal surface of first end 1131 is provided with jack 1137, the terminal surface of second end 1132 be provided with the bolt 1136 that jack 1137 corresponds.

The former spindle 113 and the latter spindle 113 are positioned by the socket 1137 and the latch 1136.

In this embodiment, by providing the insertion holes 1137 and the latches 1136 for positioning, the assembling efficiency between two adjacent motors 11 can be improved, and the assembling accuracy can be ensured.

In use, the socket 1137 of the first end 1131 of the spindle 113 of the previous motor 11 is inserted into the plug 1136 of the second end 1132 of the spindle 113 of the next motor 11.

In this embodiment, the first end tooth structure is disposed on the end surface of the edge of the socket 1137, and the second end tooth structure 1134 is disposed at the joint of the plug 1136 and the end surface of the second end 1132.

The embodiment of the present invention provides a motor assembly 1, as shown in fig. 1 and 5, further including a pull rod 12 and a locking member 13.

The main shafts 113 are hollow shafts, and the interiors of any two adjacent main shafts 113 are communicated.

Pull rod 12 sets up in whole in the main shaft 113, the both ends of pull rod 12 all are provided with retaining member 13 is located the pull rod 12 front end retaining member 13 with be located the front end the main shaft 113's first end 1131 offsets, is located the pull rod 12 rear end retaining member 13 with be located the rear end the main shaft 113's second end 1132 offsets.

In this embodiment, the hollow shaft means that a through hole is formed in the center of the shaft body.

In the present embodiment, in order to improve the rigidity and the connection strength of the main shafts 113, a tie rod 12 is further provided for locking all the main shafts 113 together.

Specifically, a plurality of main shafts 113 connect gradually, form the pivot of motor group 1, the pivot is the hollow shaft equally, pull rod 12 sets up in whole main shafts 113, also set up in this pivot promptly, and, this pivot is stretched out at the both ends of pull rod 12, both ends all are provided with retaining member 13 around pull rod 12, after pull rod 12 placed, fix two retaining members 13 on pull rod 12 respectively, and, retaining member 13 that is located the front end of pull rod 12 offsets with the first end 1131 that is located the main shaft 113 of this pivot foremost, retaining member 13 that is located the rear end of pull rod 12 offsets with the second end 1132 that is located the main shaft 113 of this pivot rearmost. A pretightening force can be applied by abutting the locking piece 13 against the main shaft 113, so that the rigidity of the rotating shaft of the motor set 1 is ensured.

In the present embodiment, by providing the pull rod 12, the problem of poor shaft support of the elongated shaft is solved.

Alternatively, in this embodiment, the first end tooth structure 1133 and the second end tooth structure 1134 may be omitted for the motor 11 with small transmission torque, and the tie rod 12 may be used alone for connection.

Optionally, as shown in fig. 1 and 5, the locking member 13 is a nut 131, and both ends of the pull rod 12 are provided with a thread structure corresponding to the nut 131.

In this embodiment, the locking member 13 is a nut 131, which is simple in structure and convenient to assemble and disassemble.

It is understood that in this embodiment, the locking member 13 may also be a pin, a clip, or the like.

Optionally, in this embodiment, during assembly, the nut 131 located at the front end of the pull rod 12 is located in the insertion hole 1137 of the main shaft 113, and the nut 131 abuts against the side wall of the insertion hole 1137, so that the problem that the nut 131 is loosened along with vibration of the motor group 1 can be avoided.

The embodiment of the utility model provides a motor group 1, as shown in fig. 8 and 9, be provided with first location structure 1111 on the front end housing 111, be provided with second location structure 1121 on the rear end housing 112, first location structure 1111 with second location structure 1121 corresponds.

The rear end cover 112 of the previous motor 11 and the front end cover 111 of the next motor 11 are positioned by the first positioning structure 1111 and the second positioning structure 1121.

In this embodiment, by providing the first positioning structure 1111 and the second positioning structure 1121, the connection between the two adjacent motors 11 can be facilitated, and the connection accuracy can be ensured at the same time.

In use, the second positioning structure 1121 on the rear end cap 112 of the previous motor 11 is aligned with the first positioning structure 1111 on the front end cap 111 of the next motor 11.

Optionally, in this embodiment, as shown in fig. 8 and 9, the first positioning structure 1111 is a counter bore 1122 disposed on the surface of the front cover 111.

The second positioning structure 1121 is a ring stand 1112 disposed on the surface of the rear end cap 112.

In the present embodiment, the annular platform 1112, i.e., an annular boss, and the counterbore 1122, i.e., a hole recessed downward from the surface of the front cover 111, are provided.

In use, the annular platform 1112 is inserted into the counterbore 1122, and the annular platform 1112 is matched with the counterbore 1122 to position the front end cover 111 and the rear end cover 112.

By arranging the counter bore 1122 and the annular platform 1112, the positioning between the adjacent front end cover 111 and the rear end cover 112 is realized, the assembling efficiency is improved, and meanwhile, the assembling precision can also be ensured.

It is understood that, in the present embodiment, the first positioning structure 1111 and the second positioning structure 1121 may also be axle pin fitting or the like.

In this embodiment, preferably, the center of the annular platform 1112 coincides with the center of the rear end cover 112, and the center of the counterbore 1122 coincides with the center of the front end cover 111.

The embodiment of the utility model provides a motor group 1, as shown in fig. 1 to fig. 4, front end housing 111 with the bearing groove has all been seted up on the rear end housing 112, the bearing inslot is provided with bearing 14.

The first end 1131 and the second end 1132 are matched with the bearing 14 and fixed on the front end cover 111 and the rear end cover 112.

In this embodiment, the front end cover 111 and the rear end cover 112 are both provided with through holes, the side walls of the through holes are both provided with bearing grooves for mounting the bearings 14, the bearings 14 are mounted in the bearing grooves, and the bearings 14 may be ball bearings or the like.

In this embodiment, the first end 1131 of the main shaft 113 is connected to the bearing 14 on the front end cover 111 in an interference fit manner, and the second end 1132 of the main shaft 113 is connected to the bearing 14 on the rear cover in an interference fit manner.

In this embodiment, the bearings 14 are disposed at two ends of the main shaft 113, so that each motor 11 can independently solve the problem of self-vibration, and the performance and stability of each motor 11 are ensured.

The embodiment of the present novel another aspect of the use also provides a power system, which includes the motor group 1 described in any of the above embodiments.

In the present embodiment, the power system includes all the advantages of the electric machine set 1, and the description thereof is omitted.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. An electric machine group, characterized by comprising a plurality of electric machines (11);

the motor (11) comprises a front end cover (111), a rear end cover (112) and a main shaft (113);

the main shaft (113) is provided with a first end (1131) and a second end (1132) which are opposite, the first end (1131) is rotatably connected with the front end cover (111), and the second end (1132) is rotatably connected with the rear end cover (112);

all motor (11) is established ties in proper order, and adjacent two motor (11) main shaft (113) transmission is connected, the former motor (11) back end housing (112) and the latter motor (11) front end housing (111) can dismantle the connection.

2. The electrical machine set according to claim 1, wherein the first end (1131) is provided with a first end tooth structure (1133);

the second end (1132) is provided with a second end tooth structure (1134) corresponding to the first end tooth structure (1133);

the first end tooth structure (1133) of the former main shaft (113) is meshed with the second end tooth structure (1134) of the latter main shaft (113).

3. The electrical machine set of claim 1, wherein the outer side wall of the first end (1131) is further provided with an external spline structure (1135).

4. The electric machine set according to claim 1, characterized in that the end face of the first end (1131) is provided with a socket (1137), and the end face of the second end (1132) is provided with a plug pin (1136) corresponding to the socket (1137);

the former spindle (113) and the latter spindle (113) are positioned through the socket (1137) and the latch (1136).

5. The electrical machine set according to any of claims 1 to 3, characterized in that it further comprises a tie rod (12) and a locking member (13);

the main shafts (113) are hollow shafts, and the interiors of any two adjacent main shafts (113) are communicated;

pull rod (12) set up in whole in main shaft (113), the both ends of pull rod (12) all are provided with retaining member (13) are located pull rod (12) front end retaining member (13) with be located the front end main shaft (113) first end (1131) offset, are located pull rod (12) rear end retaining member (13) with be located the rear end main shaft (113) the second end (1132) offset.

6. The motor set according to claim 5, characterized in that the locking member (13) is a nut (131), and both ends of the pull rod (12) are provided with a thread structure corresponding to the nut (131).

7. The motor group according to claim 1, wherein a first positioning structure (1111) is arranged on the front end cover (111), a second positioning structure (1121) is arranged on the rear end cover (112), and the first positioning structure (1111) and the second positioning structure (1121) correspond to each other;

the rear end cover (112) of the former motor (11) and the front end cover (111) of the latter motor (11) are positioned by the first positioning structure (1111) and the second positioning structure (1121).

8. The electrical machine set of claim 7, wherein the first locating structure (1111) is a counterbore (1122) provided in a surface of the front end cover (111);

the second positioning structure (1121) is a ring platform (1112) arranged on the surface of the rear end cover (112).

9. The motor group according to claim 1, wherein bearing grooves are formed in the front end cover (111) and the rear end cover (112), and a bearing (14) is arranged in each bearing groove;

the first end (1131) and the second end (1132) are matched with the bearing (14) and are rotatably connected to the front end cover (111) and the rear end cover (112).

10. A power system comprising a motor assembly according to any one of claims 1 to 9.