CN109596980B - Tool for motor stalling test and assembly method thereof - Google Patents

Abstract

The invention discloses a tool for a motor locked rotor test and an assembly method thereof. The motor zero setting device is simple in structure and convenient to operate, can realize 360-degree motor zero setting of a tester, and does not need to be fixed by screws after the motor zero setting is finished.

Description

Tool for motor stalling test and assembly method thereof

Technical Field

The invention belongs to the technical field of testing tools, and particularly relates to a tool for a motor locked rotor test and an assembling method thereof.

Background

At present, the country strongly supports the development of new energy automobiles, pure electric automobiles become a hotspot of current research in the whole automobile industry, and the motor replaces a fuel engine, so that various comprehensive properties of the motor can directly influence the related properties of the whole automobile and the use of customers. In the process of design and verification of various comprehensive performances of the motor, except for meeting related requirements of customers and regulations, tests and verification are often carried out according to extreme working conditions, so that the product quality is ensured.

To traditional motor lock-up frock, the tester can't realize 360 degrees zero setings, and need fasten the frock with the screw after the zero seting and realize the dead purpose of motor shaft lock, however because the screw need beat sufficient torsion in fastening process, lead to the frock to rotate, the skew zero-bit of motor, the tester need dismantle repeatedly many times and adjust just can reach the purpose.

Disclosure of Invention

The invention aims to solve the technical problems in the prior art. Therefore, the invention provides a tool for a motor locked rotor test and an assembling method thereof, and aims to facilitate the locking and fixing of a motor rotating shaft through reasonable structural arrangement.

In order to achieve the purpose, the invention adopts the technical scheme that:

the utility model provides a frock is used in motor stalling test, includes the fixed plate and locates the motor of fixed plate side, the frock still includes and is used for carrying out the locking mechanism of locking to the motor shaft who runs through the fixed plate.

The locking mechanism is a conical matching locking assembly, and the conical matching locking assembly and the motor are respectively arranged on two sides of the fixing plate.

The tapered fit locking assembly comprises an adapter disc and a locking disc, the adapter disc is in clearance fit with the rotating shaft of the motor, and the locking disc and the adapter disc are in tapered fit.

The adaptation dish is equipped with the regulation mounting structure of adjustable location mounting point.

The adjusting and mounting structure comprises a plurality of waist-shaped grooves which are annularly arranged on the adapting disc, and screws are arranged to penetrate through the waist-shaped grooves to be fixedly connected with the fixing plate in a positioning manner.

The boss of adaptation dish is equipped with the opening that accessible deformation made adaptation dish locking motor shaft.

The locking disc is fixedly connected with the fixing plate through bolts.

The tool further comprises a flange plate and a pressing mechanism capable of pressing the flange plate, the flange plate is fixed on the top end face of the adapting plate, and the flange plate and the adapting plate are coaxially arranged.

The compressing mechanism comprises a plurality of lever type air pressure cylinders which are uniformly distributed in the circumferential direction of the flange plate.

The invention also provides an assembly method of the tool for the motor locked rotor test, which comprises the following steps:

step one, a motor is arranged on a fixed plate, and the axis of the motor is horizontal;

step two, the adapter plate is in clearance fit with the motor rotating shaft, and the adapter plate is fixedly connected with the fixed plate;

step three, assembling a locking disc, wherein the locking disc and the adapting disc are in tapered fit;

fourthly, disassembling the fasteners of the adaptive disc and the fixed plate, and fastening and connecting the flange plate and the adaptive disc;

and step five, mounting the lever type pneumatic cylinder on the outer side of the flange plate, and connecting the lever type pneumatic cylinder with an air source.

The invention has the beneficial effects that: the invention has simple structure and convenient operation, can realize the zero setting of the motor of 360 degrees by a tester, does not need to fix the motor by screws after the zero setting of the motor is finished, and directly utilizes the lever type pneumatic cylinder to press and lock the motor rotating shaft, thereby achieving the purpose of locking the motor rotating shaft.

Drawings

The description includes the following figures, the contents shown are respectively:

FIG. 1 is a schematic structural view of an adapter plate;

FIG. 2 is a sectional view A-A of FIG. 1;

FIG. 3 is a schematic structural view of a locking disk;

FIG. 4 is a cross-sectional view B-B of FIG. 3;

FIG. 5 is a schematic view of a motor shaft locking assembly;

fig. 6 is a schematic view of the overall mechanism of the tool of the present invention.

Labeled as:

1. the device comprises a fixing plate, 2, a motor, 3, a bottom plate, 4, an adaptive disc, 5, a locking disc, 6, a kidney-shaped groove, 7, a flange plate, 8, a lever type air cylinder, 9, a boss, 10, an opening, 11, an inclined surface, 12 and an inner inclined surface.

Detailed Description

The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for a purpose of helping those skilled in the art to more fully, accurately and deeply understand the concept and technical solution of the present invention and to facilitate its implementation.

As shown in fig. 1 to 6, a tooling for a motor stalling test comprises a fixed plate 1 and a motor 2 arranged on one side surface of the fixed plate 1, wherein the fixed plate can be directly clamped and fixed by a positioning and clamping tooling, a bottom plate 3 can also be arranged, the bottom plate 3 and the fixed plate 1 form an L-shaped plate-shaped structure, a groove is arranged at one end of the fixed plate, which is connected with the bottom plate, the recess direction of the groove is the same as the height direction of the fixed plate, a positioning groove is arranged at one side edge of the bottom plate, which is far away from the fixed plate, so as to be conveniently positioned with a workbench, and the recess extending direction of the positioning groove is perpendicular to the recess extending direction of the groove; the tool further comprises a locking mechanism for locking the motor rotating shaft penetrating through the fixing plate 1.

Preferably, the locking mechanism is a tapered fit locking assembly, and the tapered fit locking assembly and the motor 2 are respectively arranged on two sides of the fixing plate 1. Toper cooperation locking Assembly is including adaptation dish 4 and locking dish 5, and adaptation dish 4 and motor shaft clearance fit, locking dish 5 and adaptation dish 4 form the toper cooperation, utilize the toper cooperation locking motor shaft of adaptation dish and locking dish, realize 360 motor zeroings of testing personnel. When specifically setting up, the adaptation dish sets up boss 9, and motor shaft can insert in the boss, and the boss of adaptation dish is equipped with accessible deformation and makes the adaptation dish locking motor shaft's opening 10, and after the assembly motor shaft, the opening part produces deformation, can effectively lock motor shaft. The inclined plane 11 and the axis of boss become 3 contained angles, through this inclination structure setting for its locking motor shaft that can be better, and zero setting operation when making things convenient for the motor test. The inner inclined surface 12 of the inner hole of the locking disc 5 is also arranged to form an included angle of 3 degrees with the axis, and the inner inclined surface cooperates with the adapting disc to adjust the zero setting operation of the motor.

Further, the adapting disc 4 is provided with an adjusting and mounting structure capable of adjusting a positioning mounting point. Adjust mounting structure and can set up the round mounting hole, better, adjust mounting structure and include a plurality of waist type grooves 6, and a plurality of waist type grooves 6 are cyclic annular range on the adaptation dish, set up the screw and pass waist type groove and fixed plate location fastening connection. When specifically setting up, waist type groove can set up threely, sets up an installation locating hole between the adjacent waist type groove, and three waist type groove is the arc wall of inside bending, and it arranges the back separately, forms similar annular structure. The screws are preferably inner hexagon screws, and are fixedly connected with the fixing plate through the three inner hexagon screws, so that the adapter plate and the fixing plate are fixedly assembled; the locking disc is fixedly connected with the fixed plate through bolts. The bolts can be provided with a plurality of, preferably six hexagon socket head cap bolts, wherein, two bolts pass through the waist-shaped groove and are fastened and assembled with the fixed plate.

As a further improvement, the tool further comprises a flange 7 and a pressing mechanism capable of pressing the flange 7, wherein the flange 7 is fixed on the top end face of the adaptive disc 4, and the flange 7 and the adaptive disc 4 are coaxially arranged. Preferably, the pressing mechanism comprises a plurality of lever type air cylinders 8 which are uniformly distributed in the circumferential direction of the flange plate. After the motor is zeroed, the motor does not need to be fixed by screws, and the lever type pneumatic cylinder is directly used for being pressed, so that the purpose of locking the motor rotating shaft is achieved.

The invention also provides an assembly method of the tool for the motor locked rotor test, which specifically comprises the following steps:

step one, a motor is arranged on a fixed plate and matched through a spigot, and then the motor is fixed from the reverse side by three outer hexagon bolts, so that the axis of the motor is ensured to be horizontal;

step two, the adapting disc is in clearance fit with the rotating shaft of the motor and is tightly matched with the L-shaped end plate through three inner hexagon screws;

step three, assembling a locking disc, wherein the locking disc is in tapered fit with the adapting disc, and is tightly matched through six hexagon socket head bolts, and a boss of the adapting disc deforms due to an opening, so that a rotating shaft of the motor is locked by the adapting disc;

step four, disassembling three outer hexagon screws fastened by the adaptive disc and the L-shaped end plate, installing a flange plate, and tightly matching the adaptive disc through the three inner hexagon screws;

and fifthly, mounting the three lever type pneumatic cylinders on the outer side of the flange plate, and connecting the lever type pneumatic cylinders with an air source, so that the assembly of the tool for the motor stalling test is completed.

The testing personnel zero-set the motor, after zero-set, open the air supply, three lever pneumatic cylinders die the ring flange, accomplish the locking of whole frock to the motor shaft.

The invention is described above with reference to the accompanying drawings. It is to be understood that the specific implementations of the invention are not limited in this respect. Various insubstantial improvements are made by adopting the method conception and the technical scheme of the invention; the present invention is not limited to the above embodiments, and can be modified in various ways.

Claims (3)

1. The tool for the motor stalling test comprises a fixing plate and a motor arranged on one side face of the fixing plate, and is characterized by further comprising a locking mechanism used for locking a motor rotating shaft penetrating through the fixing plate; the locking mechanism is a conical matching locking assembly, the conical matching locking assembly and the motor are respectively arranged on two sides of the fixing plate, the conical matching locking assembly comprises an adapting disc and a locking disc, the adapting disc is in clearance fit with a rotating shaft of the motor, the locking disc and the adapting disc are in conical matching, the adapting disc is provided with an adjusting and mounting structure capable of adjusting a positioning mounting point, the adjusting and mounting structure comprises a plurality of waist-shaped grooves which are annularly arranged on the adapting disc, a screw is arranged to penetrate through the waist-shaped grooves to be positioned and fastened with the fixing plate, and the locking disc is fastened and connected with the fixing plate through a bolt; the tool further comprises a flange plate and a pressing mechanism capable of pressing the flange plate tightly, the flange plate is fixed on the top end face of the adapting plate, the flange plate and the adapting plate are coaxially arranged, and the pressing mechanism comprises a plurality of lever type air cylinders uniformly distributed in the circumferential direction of the flange plate; the bottom plate forms L type plate structure with the fixed plate, and the one end that the fixed plate is connected with the bottom plate is provided with the recess, and the sunken direction of recess is the same with the direction of height of fixed plate, keeps away from a side of fixed plate at the bottom plate and is equipped with the constant head tank, is convenient for fix a position with the workstation, and the sunken extending direction of this constant head tank is mutually perpendicular with the sunken extending direction of recess.

2. The tooling for the locked rotor test of the motor according to claim 1, wherein the boss of the adapter plate is provided with an opening which can enable the adapter plate to lock the rotating shaft of the motor through deformation.

3. The assembling method of the tool for the motor stalling test according to claim 1 or 2, comprising the following steps of:

step one, a motor is arranged on a fixed plate, and the axis of the motor is horizontal;

step two, the adapter plate is in clearance fit with the motor rotating shaft, and the adapter plate is fixedly connected with the fixed plate;

step three, assembling a locking disc, wherein the locking disc and the adapting disc are in tapered fit;

fourthly, disassembling the fasteners of the adaptive disc and the fixed plate, and fastening and connecting the flange plate and the adaptive disc;

and step five, mounting the lever type pneumatic cylinder on the outer side of the flange plate, and connecting the lever type pneumatic cylinder with an air source.

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