CN220104041U - Motor virtual position measuring device - Google Patents

Abstract

The utility model discloses a motor virtual position measuring device; the motor virtual position measuring device comprises: the device comprises a case, a measuring mechanism, a positioning mechanism and a pre-pressing mechanism, wherein the measuring mechanism, the positioning mechanism and the pre-pressing mechanism are arranged on the case; the positioning mechanism is located between the measuring mechanism and the pre-pressing mechanism, the positioning mechanism is used for placing a motor, the pre-pressing mechanism is used for pressing the motor, and the measuring mechanism is used for measuring a virtual position value of the motor. According to the utility model, the motor is positioned through the positioning mechanism, the motor is extruded by the pre-pressing mechanism, then the virtual position value of the motor is measured by the measuring mechanism, the measurement is realized in a whole-course automatic way, the measuring precision is high, the efficiency is high, and the practicability is high.

Description

Motor virtual position measuring device

Technical Field

The utility model relates to the technical field of motor virtual position measurement, in particular to a motor virtual position measurement device.

Background

The traditional motor virtual position measurement is commonly tested by adopting a dial indicator and positioning seat tool; during measurement, the motor is manually placed on the positioning seat, the motor is pushed by hands until the motor abuts against the seat baffle of the dial indicator, then the dial indicator is cleared by hands, the handle of the positioning seat is pulled, the handle abuts against the motor shaft core, and then the numerical value of the dial indicator is read; however, the human hand feel is easy to generate errors, so that the errors of the measurement results are larger, and the manual zero clearing operation speed is low, so that the measurement efficiency is affected.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a motor virtual position measuring device.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the embodiment of the utility model provides a motor virtual position measuring device, which comprises: the device comprises a case, a measuring mechanism, a positioning mechanism and a pre-pressing mechanism, wherein the measuring mechanism, the positioning mechanism and the pre-pressing mechanism are arranged on the case; the positioning mechanism is located between the measuring mechanism and the pre-pressing mechanism, the positioning mechanism is used for placing a motor, the pre-pressing mechanism is used for pressing the motor, and the measuring mechanism is used for measuring a virtual position value of the motor.

In a specific embodiment, the measuring mechanism comprises an adjusting seat, a displacement sensor, a spring fixing seat, a spring, a floating needle and a floating needle seat which are movably connected with the chassis, the displacement sensor, the spring fixing seat and the floating needle seat are fixed on the adjusting seat, a probe is arranged on the displacement sensor, one end of the spring is fixed on the spring fixing seat, the other end of the spring is connected with the floating needle, the floating needle penetrates through the floating needle seat and is movably connected with the floating needle seat, and the probe penetrates through the spring fixing seat to be matched with the floating needle.

In a specific embodiment, the floating needle seat is provided with a guide bearing, and the floating needle is connected with the guide bearing in a sliding manner.

In a specific embodiment, the floating needle comprises an end head part and a needle head part, the end head part is connected with the spring, the needle head part is connected with the guide bearing in a sliding manner, and the probe penetrates through the spring fixing seat to be matched with the end head part.

In a specific embodiment, the positioning mechanism includes a positioning seat and a baffle, the positioning seat is fixed on the chassis, the baffle is installed on one side of the positioning seat, which is close to the measuring mechanism, the positioning seat is used for placing the motor, and the baffle is used for blocking the motor.

In a specific embodiment, the pre-pressing mechanism comprises a first cylinder seat, a first cylinder, a push plate, a push rod seat, a second cylinder seat and a pre-pressing plate which are fixedly connected to the chassis; the first cylinder is installed in the first cylinder seat, the push plate is in transmission connection with the piston rod of the first cylinder, one end of the push rod is connected with the push plate, the other end of the push rod penetrates through the push rod seat to be connected with the pre-pressing plate, the second cylinder seat is connected with the push rod seat, the second cylinder is installed in the second cylinder seat, the second cylinder seat is further connected with the pre-pressing plate through a connecting column, the piston rod of the second cylinder is connected with a pressure head, and the pressure head stretches out of the pre-pressing plate.

In a specific embodiment, the push rod seat is provided with a linear bearing, and the push rod is slidably connected to the linear bearing.

In a specific embodiment, the first cylinder is further provided with a magnetic sensor, a magnetic ring is arranged in the first cylinder, the magnetic ring moves along with a piston rod of the first cylinder, and the magnetic ring is matched with the magnetic sensor.

In a specific embodiment, a touch display screen is further disposed on the chassis.

In a specific embodiment, the chassis is further provided with a start switch.

Compared with the prior art, the motor virtual position measuring device has the beneficial effects that: the motor is positioned through the positioning mechanism, the motor is extruded by the pre-pressing mechanism, then the virtual position value of the motor is measured by the measuring mechanism, the whole-course automation realizes measurement, the measuring precision is high, the efficiency is high, and the practicability is strong.

The utility model is further described below with reference to the drawings and specific embodiments.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of a motor virtual position measurement device according to the present utility model;

fig. 2 is a schematic diagram of a motor virtual position measurement device according to the second embodiment of the present utility model;

FIG. 3 is a schematic cross-sectional view of the motor virtual position measuring device provided by the utility model;

FIG. 4 is an exploded view of the measuring mechanism provided by the present utility model;

FIG. 5 is an exploded view of the positioning mechanism provided by the present utility model;

FIG. 6 is an exploded view of the pre-compression mechanism provided by the present utility model;

fig. 7 is a schematic structural diagram of a chassis provided by the present utility model.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and the detailed description, in order to make the objects, technical solutions and advantages of the present utility model more apparent.

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be attached, detached, or integrated, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms should not be understood as necessarily being directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, one skilled in the art can combine and combine the different embodiments or examples described in this specification.

Referring to the specific embodiments shown in fig. 1 to 7, the utility model discloses a motor virtual position measuring device, which comprises: a case 10, a measuring mechanism 20, a positioning mechanism 30 and a pre-pressing mechanism 40 mounted on the case 10; the positioning mechanism 30 is located between the measuring mechanism 20 and the pre-pressing mechanism 40, the positioning mechanism 30 is used for placing the motor 50, the pre-pressing mechanism 40 is used for pressing the motor 50, and the measuring mechanism 20 is used for measuring the virtual position value of the motor 50.

Specifically, the motor 50 is positioned through the positioning mechanism 30, the pre-pressing mechanism 40 extrudes the motor 50, then the measuring mechanism 20 measures the virtual position value of the motor 50, the whole process is automatic, the measuring precision is high, the efficiency is high, and the practicability is high.

In an embodiment, the measuring mechanism 20 includes an adjusting seat 21 movably connected to the chassis 10, a displacement sensor 22, a spring fixing seat 23, a spring 24, a floating needle 25 and a floating needle seat 26, the displacement sensor 22, the spring fixing seat 23 and the floating needle seat 26 are fixed on the adjusting seat 21, a probe 221 is disposed on the displacement sensor 22, one end of the spring 24 is fixed on the spring fixing seat 23, the other end is connected with the floating needle 25, the floating needle 25 is inserted into the floating needle seat 26 and movably connected to the floating needle seat 26, and the probe 221 is matched with the floating needle 25 through the spring fixing seat 23.

Specifically, the displacement sensor 22 is fixed to the adjusting seat 21 through the spacer block 28, and when the pre-pressing mechanism 40 presses the motor 50, the floating needle 25 contacts the end face of the transmission shaft of the motor 50 and transmits the displacement amount to the displacement sensor 22 to achieve measurement.

In particular, the spring 24 ensures that the floating needle 25 can be quickly reset. One end of the spring 24 is embedded in the spring fixing seat 23, and the other end of the spring 24 is sleeved on the floating needle 25, so that the spring 24 is not easy to shift, and the stability of the elastic force of the spring 24 can be effectively ensured.

Specifically, 4 adjusting holes are formed in the adjusting seat 21, screws are used for penetrating through the adjusting holes to be fixedly connected with the case 10, and the positions of the adjusting holes can be moved to adjust the front and back positions of the adjusting seat 21, so that the motor 50 is applicable to motors 50 of different types and high in universality.

Specifically, the floating needle seat 26 is fixed on the adjusting seat 21 through a screw, so that the floating needle seat is firm in connection and compact in structure, space can be effectively saved, and meanwhile, the position of the whole measuring mechanism 20 can be adjusted only by adjusting the position of the adjusting seat 21.

In one embodiment, the floating needle holder 26 is provided with a guide bearing 27, and the floating needle 25 is slidably connected to the guide bearing 27.

Specifically, the guide bearing 27 and the floating needle seat 26 are in interference fit, the floating needle 25 slides in the guide bearing 27, and the floating needle 25 moves more stably while guiding.

In one embodiment, the floating needle 25 includes a tip end 251 and a needle head 252, the tip end 251 is connected to the spring 24, the needle head 252 is slidably connected to the guide bearing 27, and the probe 221 is engaged with the tip end 251 through the spring holder 23.

Specifically, the diameter of the tip 251 is larger than that of the needle 252, on one hand, one end of the spring 24 is sleeved on the tip 251, so that the spring 24 is not easy to fall off, on the other hand, the contact area between the probe 221 and the tip 251 is increased, and the displacement can be transmitted more accurately.

Preferably, the end head 251 and the needle head 252 are integrally formed, so that the strength is high, only one set of production mould is needed, and the production cost is reduced.

In an embodiment, the outer side of the displacement sensor 22 is further provided with a protective cover 29, the protective cover 29 is fixed on two sides of the adjusting seat 21 through screws, and the protective cover 29 is used for preventing the displacement sensor 22 from being damaged by collision.

In an embodiment, the positioning mechanism 30 includes a positioning seat 31 and a baffle 32, the positioning seat 31 is fixed to the chassis 10, the baffle 32 is mounted on a side of the positioning seat 31 near the measuring mechanism 20, the positioning seat 31 is used for placing the motor 50, and the baffle 32 is used for blocking the motor 50.

Specifically, the positioning seat 31 is fixed on the chassis 10 through a screw, the baffle 32 is fixed on the side edge of the positioning seat 31 through a screw, the baffle 32 is provided with a groove 321, the baffle 32 is used for blocking an end cover of the motor 50, the positioning seat 31 is provided with a concave cavity 311, and the motor 50 is placed in the concave cavity 311 so as to ensure that the motor 50 is equal to the measuring mechanism 20 and the pre-pressing mechanism 40 in height, thereby ensuring the measuring precision.

In one embodiment, the pre-pressing mechanism 40 includes a first cylinder seat 41, a first cylinder 42, a push plate 43, a push rod 44, a push rod seat 45, a second cylinder 46, a second cylinder seat 47 and a pre-pressing plate 48 fixedly connected to the chassis 10; the first cylinder 42 is installed in the first cylinder seat 41, the push plate 43 is in transmission connection with a piston rod of the first cylinder 42, one end of the push rod 44 is connected with the push plate 43, the other end of the push rod 44 penetrates through the push rod seat 45 to be connected with the pre-pressing plate 48, the second cylinder seat 47 is connected with the push rod seat 45, the second cylinder 46 is installed in the second cylinder seat 47, the second cylinder seat 47 is also connected with the pre-pressing plate 48 through a connecting column 49, a piston rod of the second cylinder 46 is connected with a pressure head 461, and the pressure head 461 extends out of the pre-pressing plate 48.

Specifically, the pre-compression mechanism 40 functions to provide kinetic energy to the motor 50 for pre-compression and measurement. The first cylinder seat 41 is fixed on the chassis 10 through a screw, the first cylinder 42 is fixed on the first cylinder seat 41 through a screw, the second cylinder seat 47 is connected to the push rod seat 45 in a sliding manner, a piston rod of the first cylinder 42 stretches out and draws back to drive the push plate 43 to do reciprocating motion, the number of push rods 44 is 2, one end of each push rod 44 is connected to the push plate 43 through a screw, the other end of each push rod 44 penetrates through the push rod seat 45 and is connected to the pre-pressing plate 48 through a screw, the first cylinder 42 drives the push plate 43 to move first, the push plate 43 drives the push rod 44 to move, the push rod 44 drives the pre-pressing plate 48 to move, the pre-pressing plate 48 drives the second cylinder seat 47 and the second cylinder 46 to move, then the pre-pressing plate 48 presses an end cover of the motor 50, and a piston rod of the second cylinder 46 stretches out and draws back to drive the pressing head 461 to do reciprocating motion, and the pressing head 461 is used for pushing a transmission shaft of the motor 50.

In one embodiment, the push rod seat 45 is provided with a linear bearing 451, and the push rod 44 is slidably connected to the linear bearing 451.

Specifically, the linear bearing 451 and the push rod seat 45 are in interference fit, and the push rod 44 slides in the linear bearing 451, so that the movement of the push rod 44 is more stable while guiding.

In an embodiment, the first cylinder 42 is further provided with a magnetic sensor 421, and a magnetic ring (not shown in the figure) is disposed in the first cylinder 42, and moves along with a piston rod of the first cylinder 42, and the magnetic ring is matched with the magnetic sensor 421.

Specifically, when the pre-press plate 48 presses against the end cap of the motor 50, the magnetic ring contacts the magnetic sensor 421.

In an embodiment, the chassis 10 is further provided with a touch display screen 11, which can be used for setting parameters and displaying measurement results.

In one embodiment, the chassis 10 is further provided with a start switch 12 for starting the measurement of the motor 50.

In an embodiment, a control board (not shown) is installed inside the chassis 10, the control board is electrically connected to the displacement sensor 22 and the magnetic sensor 421, a buzzer and a reset switch are further disposed on the chassis 10, when the measured value exceeds a set value (for example, 0.01mm-0.3 mm), the buzzer will give an alarm, at this time, the first cylinder 42 is not reset, and the motor 50 is continuously locked, so as to prevent defective products from flowing into the next process, and the locking can be released by pressing the reset switch.

In one embodiment, safety gratings 13 are mounted at both ends of the chassis 10, which provide protection during measurement by the motor 50.

The working principle of the motor virtual position measuring device is as follows: the motor 50 is placed on the positioning mechanism 30, the starting switch 12 is pressed, the piston rod of the first air cylinder 42 stretches out to drive the pre-pressing plate 48 to press the end cover of the motor 50, meanwhile, the floating needle 25 contacts the end face of the transmission shaft of the motor 50, because the acting force of the spring 24 pushes the gap of the wind blade end of the motor 50 to the other end (namely the motor output shaft end), at the moment, the probe 221 of the displacement sensor 22 contacts the floating needle 25, meanwhile, the magnetic ring contacts the magnetic sensor 421, the control panel is triggered to clear the displacement sensor 22, after the zero clearing, the piston rod of the second air cylinder 46 stretches out to drive the pressure head 461 to push the transmission shaft of the motor 50 until the transmission shaft is pushed to the bottom, at the moment, the numerical value displayed by the touch display screen 11 is the virtual position size of the motor 50 measured at the moment, if the size is in a set range (for example, 0.01mm-0.3 mm), the control panel resets each action, then the motor 50 is taken out and put into the next procedure, and a new motor 50 is put into the circulation of the above operation.

The motor virtual position measuring device is suitable for virtual position measurement of brushless motors, direct current motors, induction motors and the like in the motor industry, can eliminate virtual positions at one side of the motor, and can also be used for motor measurement of double-wave type gaskets, single-wave type gaskets and wave-free gaskets in the motor.

The foregoing embodiments are preferred embodiments of the present utility model, and in addition, the present utility model may be implemented in other ways, and any obvious substitution is within the scope of the present utility model without departing from the concept of the present utility model.

Claims (9)

1. A motor virtual position measuring device, comprising: the device comprises a case, a measuring mechanism, a positioning mechanism and a pre-pressing mechanism, wherein the measuring mechanism, the positioning mechanism and the pre-pressing mechanism are arranged on the case; the positioning mechanism is positioned between the measuring mechanism and the pre-pressing mechanism, the positioning mechanism is used for placing a motor, the pre-pressing mechanism is used for pressing the motor, and the measuring mechanism is used for measuring a virtual position value of the motor; the measuring mechanism comprises an adjusting seat, a displacement sensor, a spring fixing seat, a spring, a floating needle and a floating needle seat which are movably connected with the chassis, wherein the displacement sensor, the spring fixing seat and the floating needle seat are fixed on the adjusting seat, a probe is arranged on the displacement sensor, one end of the spring is fixed on the spring fixing seat, the other end of the spring is connected with the floating needle, the floating needle penetrates through the floating needle seat, the floating needle seat is movably connected with the floating needle seat, and the probe penetrates through the spring fixing seat to be matched with the floating needle.

2. The motor virtual position measuring device according to claim 1, wherein the floating needle seat is provided with a guide bearing, and the floating needle is slidably connected to the guide bearing.

3. A motor false position measuring device as claimed in claim 2, wherein the floating needle includes an end portion and a needle portion, the end portion being connected to the spring, the needle portion being slidably connected to the guide bearing, the probe passing through the spring holder to engage the end portion.

4. The device for measuring virtual positions of motors according to claim 1, wherein the positioning mechanism comprises a positioning seat and a baffle plate, the positioning seat is fixed on the chassis, the baffle plate is installed on one side of the positioning seat, which is close to the measuring mechanism, the positioning seat is used for placing the motors, and the baffle plate is used for blocking the motors.

5. The motor virtual position measuring device according to claim 1, wherein the pre-pressing mechanism comprises a first cylinder seat, a first cylinder, a push plate, a push rod seat, a second cylinder seat and a pre-pressing plate which are fixedly connected to the chassis; the first cylinder is installed in the first cylinder seat, the push plate is in transmission connection with the piston rod of the first cylinder, one end of the push rod is connected with the push plate, the other end of the push rod penetrates through the push rod seat to be connected with the pre-pressing plate, the second cylinder seat is connected with the push rod seat, the second cylinder is installed in the second cylinder seat, the second cylinder seat is further connected with the pre-pressing plate through a connecting column, the piston rod of the second cylinder is connected with a pressure head, and the pressure head stretches out of the pre-pressing plate.

6. The motor false position measuring device of claim 5, wherein a linear bearing is arranged on the push rod seat, and the push rod is slidably connected to the linear bearing.

7. The motor virtual position measuring device according to claim 5, wherein the first cylinder is further provided with a magnetic sensor, a magnetic ring is arranged in the first cylinder, the magnetic ring moves along with a piston rod of the first cylinder, and the magnetic ring is matched with the magnetic sensor.

8. The motor virtual position measuring device according to claim 1, wherein a touch display screen is further arranged on the case.

9. The motor virtual position measuring device according to claim 1, wherein the chassis is further provided with a start switch.