CN113852230B

CN113852230B - Motor installation method

Info

Publication number: CN113852230B
Application number: CN202111084436.XA
Authority: CN
Inventors: 倪涛
Original assignee: Suzhou Zhilang Electric Co ltd
Current assignee: Suzhou Zhilang Electric Co ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2023-02-03
Anticipated expiration: 2041-09-16
Also published as: CN113852230A

Abstract

The invention discloses a motor which comprises a base and a motor main body which are connected, wherein jacks for inserting transmission shafts are arranged on the base and the motor main body, and a plurality of open holes which can be locked from the side surface are arranged on the base. Through the fixed knot who changes motor base constructs, not only the installation of being convenient for can not cause the damage to motor itself, make full use of the available space of motor moreover and be used for the installation coil to guarantee the operating power of motor.

Description

Motor installation method

Technical Field

The invention relates to a motor installation method, and belongs to the technical field of motors.

Background

When the transmission shaft of the existing motor is connected with the external equipment, the motor is usually sleeved on the transmission shaft, the transmission shaft and the outer rotor of the motor are fixed by using a locking nut, then the motor base is fixed on the external equipment by using a locking piece, and the most common locking mode is to fixedly connect the motor base and the external equipment by using a bolt arranged on the edge of the motor base.

Therefore, in the process of fixedly connecting the motor and the external equipment, the transmission shaft and the outer rotor of the motor and the motor base and the external equipment need to be fixed twice. After the transmission shaft and the motor outer rotor are firstly fixed, in the process of locking and fixing the motor base and the external equipment, the whole motor can be caused to displace a certain amount relative to the transmission shaft, so that the transmission shaft generates a reaction force on the motor outer rotor and a motor bearing, and the motor is easily damaged after the motor works for a long time. And many external device's transmission shaft cross-section is the toper structure, because the problem of machining precision during the assembly, can't guarantee that the tapering of every transmission shaft is all completely unanimous, consequently at the fixed in-process of transmission shaft and motor outer rotor, its fixed position also can be corresponding adjusts, thereby lead to in the installation, not only need transmission shaft and motor outer rotor fixed in place, motor base and external device locking are fixed, guarantee again that the transmission shaft can not produce the reaction force to motor outer rotor and motor bearing and become more difficult to realize.

Secondly, because the bolt of current fixed mode through the motor base edge is with its external equipment fixed connection, consequently must reserve the space that is used for the installation bolt at the motor edge, leads to under the equal size's of motor the condition, the coil area that can set up diminishes to influence the power of motor.

Disclosure of Invention

The technical problem to be solved by the invention is to provide the motor, and the motor is convenient to mount and cannot damage the motor by changing the fixing structure of the motor base, and the available space of the motor is fully utilized for mounting the coil, so that the working power of the motor is ensured.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows:

a motor installation method comprises a base and a motor main body which are connected, wherein jacks for inserting transmission shafts are formed in the base and the motor main body, a plurality of holes which can be locked from the side face are formed in the base, a plurality of groups of fixing blocks and locking blocks which can move horizontally relatively are arranged at the edge of the bottom of the base, opposite grooves are formed in the fixing blocks and the locking blocks to form the holes, the locking blocks are connected with the fixing blocks in a locking mode through locking pieces which are inserted from the side faces of the locking blocks, the motor installation method further comprises bolts used for locking an external device, guide sleeves capable of being inserted into the holes are fixedly connected to the bolts, when the motor is installed, the bolts and the guide sleeves are firstly installed in installation holes reserved in the external device in advance after the bolts and the guide sleeves are fixed, then the holes of the motor base are sleeved into the corresponding guide sleeves, meanwhile, transmission shafts of the external device are inserted into the jacks of the motor, and the transmission shafts and the surface of an outer rotor of the motor are completely attached and fixed through nuts.

The mounting method of the motor is characterized in that: the bottom of the base is provided with a plurality of air inlets, and the upper end of the motor main body is provided with an air outlet communicated with the air inlets.

The installation method of the motor is characterized in that: the air outlet is provided with a heat dissipation air duct connected with the air outlet and extending to the edge of the motor main body, and the heat dissipation air duct is covered with an annular cover plate.

The installation method of the motor is characterized in that: the heat dissipation air channels are of arc-shaped structures, and separation keys are further arranged between every two adjacent heat dissipation air channels.

The beneficial effects of the invention are:

1. the motor is fixedly connected with a bolt guide sleeve fixed on external equipment by adopting a base side locking mode, after an opening on a motor base is sleeved on the guide sleeve fixed on the external equipment, the whole motor can axially move relative to the guide sleeve (namely the external equipment) in the process of fixing a transmission shaft and a motor outer rotor, and after the transmission shaft and the motor outer rotor are fixed in place, the opening is locked by utilizing a locking piece, so that the base is fixedly connected with the guide sleeve, the mounting is simple and convenient, no reaction force is generated on the motor outer rotor and a bearing, and the service life of the motor is greatly prolonged;

2. through the structure of side locking, need not to reserve the station that is used for the bolt of its locking at the edge of motor base, make full use of the available space of motor and be used for installing the coil to guarantee the operating power of motor.

3. Through set up unique heat dissipation wind channel on the motor, guarantee the radiating effect in motor working process and further promote the life of motor.

Drawings

FIG. 1 is a first front view of an electric machine of the present invention;

FIG. 2 is a second front view of an electric motor of the present invention;

FIG. 3 is an enlarged schematic view of B in FIG. 2;

FIG. 4 is a bottom view of an electric motor of the present invention;

FIG. 5 isbase:Sub>A sectional view A-A of FIG. 4;

FIG. 6 is a schematic view of the upper cover of an electric motor of the present invention;

fig. 7 is a schematic view of the overall structure of a coil assembly of an electric machine according to the present invention;

FIG. 8 is a schematic structural view of a coil assembly of an electric motor according to the present invention with the upper cover hidden;

fig. 9 is a schematic structural view of a coil assembly of an electric machine according to the present invention after hiding an upper cover and a sealing pin;

FIG. 10 is a schematic view of the coil assembly and the steel plate assembly of the motor of the present invention;

fig. 11 is a schematic structural view of an insulating bobbin of a coil block of an electric machine according to the present invention;

fig. 12 is a schematic view of a structure in which an insulating bobbin of a coil block of an electric motor of the present invention is mounted on a base;

fig. 13 is a schematic structural view of the coil assembly and the outer side surface of the steel sheet assembly of the motor of the present invention after two adjacent sealing pins are inserted;

fig. 14 is a front view of a sealing pin of a coil assembly of an electric machine of the present invention;

fig. 15 is a top view of a sealing pin of a coil assembly of an electric machine of the present invention.

Detailed Description

The invention will be further described with reference to the accompanying drawings.

As shown in fig. 1-6, an electric motor includes a base 10 and a motor body 20 connected together, the base 10 and the motor body 20 are provided with a socket for inserting a transmission shaft 30, and the base 10 is provided with a plurality of openings that can be locked from the side.

After the transmission shaft 30 is inserted into the jack, the opening is just sleeved on a connecting piece fixed on external equipment, the transmission shaft 30 is fixedly connected with the outer rotor of the motor by using the nut 40, the whole motor can axially move relative to the external equipment in the fixing process, and after the transmission shaft 30 and the outer rotor of the motor are completely fixed, the opening is locked from the side and is locked with the connecting piece, so that the whole motor is fixed, the installation is simple and convenient, no reaction force is generated on the outer rotor of the motor and a bearing, and the service life of the motor is greatly prolonged. Through the structure of side locking, need not to reserve the station that is used for the bolt of its locking at the edge of motor base, make full use of the available space of motor and be used for installing coil 21 to guarantee the operating power of motor.

Wherein, the bottom edge of base 10 is provided with multiunit fixed block 15 and the latch segment 16 of horizontal migration relatively, be provided with relative recess on fixed block 15 and the latch segment 16 and form the trompil, latch segment 16 through from its side male retaining member 13 with fixed block 15 locking connection. In this embodiment, five sets of fixing blocks 15 and locking blocks 16 are arranged, and are distributed at the bottom edge of the base 10 at equal intervals, and one of the fixing blocks 15 and the locking blocks 16 is provided with two sets of fixing blocks 15, so that the fixing stability of the motor is ensured, as shown in fig. 4.

The motor further comprises a bolt 11 used for being locked on an external device, and a guide sleeve 12 capable of being inserted into the opening is fixedly connected to the bolt 11.

The installation method of the motor comprises the following steps of fixing the bolt 11 and the guide sleeve 12, then installing the fixed bolt and the guide sleeve into a preset installation hole on external equipment, then sleeving the opening of the motor base into the corresponding guide sleeve 12, simultaneously inserting the transmission shaft of the external equipment into the jack of the motor, and completely attaching and fixing the transmission shaft and the surface of the outer rotor of the motor by using the nut 40, wherein in the fixing process, as the position of the transmission shaft is relatively fixed, due to the precision problem in the processing process, especially for a conical transmission shaft, in the locking process of the nut 40, the whole motor can generate a certain amount of axial displacement relative to the transmission shaft, at the moment, a certain amount of movement can be generated between the motor base and the guide sleeve, after the transmission shaft and the outer rotor of the motor are completely fixed in place, the fixed block 15 and the locking block 16 are locked from the side surface of the base by using the locking piece 13, so that the guide sleeve 12 is clamped, the fixed connection of the motor base and the external equipment is realized, the whole installation process is simple and quick, and after the fixed connection, any reaction force can not be generated on the outer rotor and the bearing, thereby greatly prolonging the service life of the motor.

The base 10 is provided at a bottom thereof with a plurality of air inlets 14, and the upper end of the motor main body 20 is provided with an air outlet 22 communicated with the air inlets 14. In the motor process, the motor coil can be cooled through airflow flowing from the air inlet to the air outlet, and the service life of the motor is further prolonged by ensuring the cooling effect in the motor working process.

The air outlet 22 is provided with a heat dissipation air duct 23 connected with the air outlet and extending to the edge of the motor main body 20, and the heat dissipation air duct 23 is covered with an annular cover plate 25. The air from the air inlet 14 can flow out from the edge of the motor through the heat dissipation air duct 23 to dissipate heat inside the motor, and the air flowing out from the gap between two adjacent heat dissipation air ducts 23 can dissipate heat of the housing of the motor.

The heat dissipation air channels 23 are of arc-shaped structures, accord with the trend of centrifugal airflow, are convenient to provide a heat dissipation effect, and are also provided with separation keys 24 between every two adjacent heat dissipation air channels 23, and the edges between the annular cover plate 25 and the motor shell are equally divided by the separation keys 24 and the heat dissipation air channels 23, as shown in fig. 1, the uniformity of the airflow is ensured, and the heat dissipation effect is further improved.

As shown in fig. 7 to 15, the coil assembly used in the motor main body of the present invention includes a base 40 and a steel sheet assembly 20 disposed on the base 40, wherein insulating wire frames 22 are disposed on the upper and lower surfaces of the steel sheet assembly 20, the coil assembly is wound between the two insulating wire frames 22, the bottom of the steel sheet assembly 20 is hermetically connected to the base 40, a sealing pin 30 is inserted into a gap between the outer sidewalls of the steel sheet assembly 20, and a sealing space with an open upper end is formed between the base 40, the steel sheet assembly 20 and the sealing pin 30.

After the insulating wire frame 22 is placed above and below the steel sheet assembly 20, a coil is wound, the coil is fixed on the base 40, the sealing contact pin 30 is inserted into a gap between the outer side surface of the steel sheet assembly 20, a space with sealed bottom and side surfaces is formed by the base 40 and the sealing contact pin 30, the whole part is placed into insulating paint before pouring and is taken out after being soaked, the surface of the part is uniformly coated with the insulating paint, then epoxy resin is directly poured into the sealing space with an opening at the upper end formed between the base 40, the steel sheet assembly 20 and the sealing contact pin 30, other dies and jigs are not needed, post-processing after pouring is not needed, the structure is simple, and the processing is convenient.

Wherein and the medial surface outer wall of steel sheet subassembly 20 is provided with a plurality of fore-and-aft trough, just has coil subassembly later stage to be connected with external equipment.

And a longitudinal slot is arranged at the gap of the outer side wall of the steel sheet component 20, and sealing convex strips 311 which can be inserted into the longitudinal slot are arranged on two sides of the sealing contact pin 30. Through set up the groove of indulging through the side that reaches the clearance department of steel sheet subassembly 20 lateral wall, then set up the both sides of sealed contact pin 30 with the corresponding sealed sand grip 311 of this vertical slot structure, not only be convenient for sealed contact pin 30 insert to and the clearance department of steel sheet subassembly 20 lateral wall, and sealed effectual, through precision finishing, can accomplish complete sealing between the two, even in order to reduce the cost, reduce the machining precision, the gap of reserving between the two also can be through the in-process at soaking insulating varnish, utilize insulating varnish to fill this gap, reach sealed effect, the epoxy watering in the later stage of being convenient for.

The sealing pin 30 includes a vertical portion 31 and a horizontal portion 32, the sealing protruding strips 311 are disposed on two sides of the vertical portion 31, the horizontal portion 32 has an arc-shaped structure, and after the sealing pin 30 is inserted into all gaps on the outer side wall of the steel sheet assembly 20, all the horizontal portions 32 of the sealing pin 30 form a closed ring. In this embodiment, the both ends of horizontal part 32 are provided with primary and secondary complex step-like structure, and two adjacent sealed contact pin 30's horizontal part links to each other and has connect, carries out sealing connection through letter complex step structure, equally through precision finishing, can guarantee the leakproofness of junction, even in order to reduce the cost, reduce the machining precision, the gap of junction retention also can be through the in-process at soaking insulating paint, utilize insulating paint to fill this gap, reach sealed effect, the epoxy watering in the later stage of being convenient for. And after coiling the coil on the steel sheet subassembly 20, the height of coil can be slightly protrusion in insulating line frame 22, because in this embodiment, base 40 is the ring form structure, just the interior excircle of base 40 all is provided with the rubber seal groove along its contour, and the interior lateral wall of steel sheet subassembly 20 cartridge respectively in the rubber seal groove that corresponds, not only can realize reaching the sealing connection between steel sheet subassembly 20 and the base 40, and there is certain relation between the lower terminal surface of steel sheet subassembly 20 and the base 40 in addition, just in time be used for acceping and the convex coil part of steel sheet subassembly 20 lower extreme and upper end, just in time utilize the confined ring that the horizontal part 32 of sealed contact pin 30 formed to be used for enclosing the fender, guarantee in the in-process of watering insulating resin, can not overflow, guaranteed the watering effect.

An upper cover 10 is further disposed above the steel sheet assembly 20, and the upper cover 10 can be sleeved outside a closed ring formed by the horizontal portion 32 of the sealing pin 30. The vertical part 31 of the sealing pin 30 protrudes out of the horizontal part 32, and the upper cover 10 is sleeved outside a closed ring formed by the horizontal part 32 of the sealing pin 30 to form a complete ring structure together with the steel sheet assembly 20, the sealing pin 30 and the base 40, so that the structure is compact, and no part protruding out of the main body exists, so that the whole coil assembly is not easy to damage in the processes of later transportation, installation and use.

The invention provides a production process of a coil assembly convenient for epoxy pouring, which comprises the following steps:

(1) Winding a copper wire on the steel sheet assembly to complete winding of the coil;

(2) Inserting the sealing contact pin into a gap between the sealing contact pin and the outer side face of the steel sheet assembly;

(3) Inserting the bottom of the steel sheet assembly into a rubber sealing groove of an inner circle and an outer circle of the base, wherein the sealing contact pin is inserted into the rubber sealing groove;

(4) Putting the assembled steel sheet assembly, coil, sealing pin and base into insulating paint for soaking and then taking out;

(5) Pouring epoxy resin into a sealed space with an opening at the upper end formed among the base, the steel sheet assembly and the sealing contact pin;

(6) An upper cover is covered on an opening at the upper end of a sealed space formed by the base, the steel sheet assembly and the sealing contact pin to form a complete circular ring-shaped coil assembly.

In conclusion, the motor provided by the invention has the advantages that the fixing structure of the motor base is changed, the motor is convenient to mount, the motor is not damaged, and the available space of the motor is fully utilized for mounting the coil, so that the working power of the motor is ensured.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A method for installing a motor, the motor comprises a base (10) and a motor main body (20) which are connected, the base (10) and the motor main body (20) are provided with jacks for inserting a transmission shaft (30), and the method is characterized in that: the motor outer rotor locking device is characterized in that a plurality of open holes capable of being locked from the side face are formed in the base (10), a plurality of groups of fixing blocks (15) and locking blocks (16) capable of moving horizontally relatively are arranged at the edge of the bottom of the base (10), opposite grooves are formed in the fixing blocks (15) and the locking blocks (16), the locking blocks (16) are connected with the fixing blocks (15) in a locking mode through locking pieces (13) inserted from the side faces of the locking blocks, the motor outer rotor locking device further comprises bolts (11) used for being locked on external equipment, guide sleeves (12) capable of being inserted into the open holes are fixedly connected onto the bolts (11), when the motor outer rotor locking device is installed, the bolts (11) and the guide sleeves (12) are installed into installation holes reserved in advance on the external equipment after the bolts (11) and the guide sleeves (12) are fixed, then the open holes of the motor base are sleeved into the corresponding guide sleeves (12), meanwhile, a transmission shaft of the external equipment is inserted into a jack of the motor, the transmission shaft and is completely attached and fixed to the surface of the motor outer rotor by nuts (40), after the transmission shaft is completely fixed to the motor outer rotor, the motor outer rotor is completely fixed in place, then the fixing blocks (15) and the guide sleeves (16) are clamped by the locking blocks (13), so that the motor outer rotor is connected with the external equipment.

2. A method of mounting an electric machine according to claim 1, wherein: the motor is characterized in that a plurality of air inlets (14) are formed in the bottom of the base (10), and an air outlet (22) communicated with the air inlets (14) is formed in the upper end portion of the motor main body (20).

3. A method of mounting an electric machine according to claim 2, wherein: the air outlet (22) is provided with a heat dissipation air duct (23) connected with the air outlet and extending to the edge of the motor main body (20), and the heat dissipation air duct (23) is covered with an annular cover plate (25).

4. A method of mounting an electric machine according to claim 3, wherein: the heat dissipation air channels (23) are of arc-shaped structures, and a separation key (24) is further arranged between every two adjacent heat dissipation air channels (23).