CN214622959U - Split-type torque motor test tool - Google Patents

Abstract

The utility model relates to a partial shipment formula torque motor test fixture, it includes the frame, installs turbine lead screw lift in the frame, install in the frame and be located the three-jaw chuck of turbine lead screw lift top, install the torque sensor in the frame lower part and pass three-jaw chuck and lower extreme and insert and establish the pivot on torque sensor upper portion, rotor demountable installation in the pivot, the pivot can be driven by turbine lead screw lift's lead screw and go up and down, after the pivot was inserted and is established on torque sensor, pivot and torque sensor are static relatively. This application has the simplified operation process, conveniently reachs the effect of motor torque numerical value.

Description

Split-type torque motor test tool

Technical Field

The application relates to the field of motor test equipment, in particular to a split-type torque motor test tool.

Background

At present, in a motor production plant, a large number of permanent magnet direct current torque motors need to be tested after being assembled, whether the output torque of the motors reaches the standard or not is detected, and professional testing equipment needs to be used for torque testing during torque testing.

The prior patent with the application number of CN201920735644.3 and the name of invention of split-charging type permanent magnet direct current torque motor testing equipment is a previous generation testing tool. In the process of testing the split charging type motor, the rotating speed, voltage and current data measured by different rotors need to be recorded, then the calculation is carried out through a formula T =9.55UI/n, and finally the calculated torque of the rotors is obtained.

In view of the above-mentioned related art, the inventor believes that there is a defect that the process of measuring data and calculating torque by a worker is complicated.

SUMMERY OF THE UTILITY MODEL

In order to improve the comparatively loaded down with trivial details defect of process of measuring motor moment of torsion, this application provides a partial shipment formula torque motor test fixture.

The application provides a pair of sub-packaging formula torque motor test fixture adopts following technical scheme:

the utility model provides a partial shipment formula torque motor test fixture, includes the frame, installs turbine lead screw lift in the frame, install in the frame and be located the three-jaw chuck of turbine lead screw lift top, install the torque sensor in the frame lower part and pass three-jaw chuck and lower extreme and insert and establish the pivot on torque sensor upper portion, rotor demountable installation in the pivot, the pivot can be driven by turbine lead screw lift's lead screw and go up and down, inserts when the pivot and establishes back on torque sensor, pivot and torque sensor are static relatively.

Through adopting above-mentioned technical scheme, use three-jaw chuck earlier with the stator chucking, stably set up the rotor in the pivot again to can place the rotor stably in the stator through the turbine lead screw lift, with overcoming great repulsion between rotor and the stator, the switch on makes the rotor work, rotor and pivot produce the pivoted trend simultaneously, thereby measure the moment of torsion of motor through the pivot of being connected with torque sensor, operation flow is simple, is convenient for obtain the moment of torsion numerical value of motor.

Optionally, a table top for placing the rotor is arranged on the rotating shaft, and the table top is perpendicular to the axis of the rotating shaft;

a key groove for positioning the rotor is arranged on the rotating shaft above the table top.

By adopting the technical scheme, in the process of arranging the rotor on the rotating shaft, the positioning key for positioning the rotor is placed in the key groove, then the rotor is sleeved on the rotating shaft by one end of the rotating shaft, and after the rotor is positioned on the table board, the rotor can be stably arranged on the rotating shaft, so that the rotor and the rotating shaft are relatively static, and the torque test of the motor is facilitated.

Optionally, a coupler is mounted on the torque sensor, the coupler is a cylindrical structure with two communicated ends, the rotating shaft can be inserted on the coupler, and when the rotating shaft is inserted on the coupler, the rotating shaft and the coupler are relatively static;

the shaft coupling can slide on the torque sensor along the axial direction of the rotating shaft, and the shaft coupling can be relatively fixed with the torque sensor.

Through adopting above-mentioned technical scheme, the pivot does benefit to and keeps relative static with pivot and torque sensor through inserting the mode of establishing on the shaft coupling to measure the moment of torsion of motor, when ejecting from the stator with the rotor through the turbine lead screw lift, under the prerequisite that keeps the torque sensor position unchangeable, the pivot of being convenient for carries out elevating movement.

Optionally, the torque sensor is provided with a fixed cylinder for sleeving the coupler and at least one limiting plate arranged at an interval with the fixed cylinder;

after the coupler is sleeved on the fixed cylinder, the coupler and the fixed cylinder are relatively static, and the limiting plate is provided with a strip-shaped hole.

Through adopting above-mentioned technical scheme, establish the shaft coupling cover back on the solid fixed cylinder, reuse the bolt and wear to establish in the bar is downthehole, can with the shaft coupling steady mounting on torque sensor, install the shaft coupling on torque sensor through solid fixed cylinder and limiting plate, for with the shaft coupling direct mount on torque sensor, can protect torque sensor, reduce because manual operation and lead to torque sensor to appear the probability of damaging, can also slide the shaft coupling along the solid fixed cylinder, make the pivot break away from the shaft coupling completely, thereby when only needing the rotational speed of measuring the motor, the same can conveniently test.

Optionally, a flange plate is further installed on the torque sensor, and the fixed cylinder and the limiting plate are installed on the flange plate.

Through adopting above-mentioned technical scheme, install solid fixed cylinder and limiting plate on the ring flange, can further protect torque sensor.

Optionally, a bearing adapted to the rotating shaft is installed at the lower part of the three-jaw chuck, and the rotating shaft is arranged on the bearing in a penetrating manner.

Through adopting above-mentioned technical scheme, the pivot is worn to establish in the bearing, and the bearing is spacing to one section at spindle body middle part to promote the pivot and keep vertical possibility, with the error that reduces motor torque test result, in addition, when needs test alone the rotational speed of motor, the bearing still does benefit to the pivot and rotates.

Optionally, an installation cylinder for installing a bearing is arranged on the three-jaw chuck;

the bearing is provided with two at least, two at least bearing interval installations in the installation section of thick bamboo.

Through adopting above-mentioned technical scheme, two at least bearings can effectively promote the limiting capacity to the pivot, further do benefit to the pivot and keep vertical.

Optionally, the two ends of the mounting cylinder are communicated, one end of the mounting cylinder is provided with a baffle ring for supporting the bearing, and the other end of the mounting cylinder is detachably provided with a fixing ring.

Through adopting above-mentioned technical scheme, be convenient for install the bearing in the installation section of thick bamboo to do benefit to and set up the lower part at the three-jaw chuck with the bearing.

Optionally, a separating cylinder is arranged in the mounting cylinder, and two ends of the separating cylinder are respectively abutted to the bearings.

Through adopting above-mentioned technical scheme, separate a simple structure, when being convenient for assemble, can also make two bearings stable and interval setting in the installation section of thick bamboo.

Optionally, at least three horizontal adjusting wheels are mounted at the lower part of the frame.

By adopting the technical scheme, the rack is conveniently leveled through the horizontal adjusting wheel, so that the rotating shaft, the rotor and the like are kept horizontal, and the error of a motor test result is reduced.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the rotor can be stably placed in the stator by arranging the rack, the worm wheel screw rod lifter, the three-jaw chuck, the torque sensor and the rotating shaft, so that the larger repulsion force between the rotor and the stator is overcome, the power supply is switched on to enable the rotor to work, the rotor and the rotating shaft simultaneously generate a rotating trend, the torque of the motor is measured through the rotating shaft connected with the torque sensor, the operation process is simple, and the torque value of the motor is conveniently obtained;

2. the table top and the key groove are arranged, so that the rotor is stably arranged on the rotating shaft, the rotor and the rotating shaft are relatively static, and the torque test of the motor is facilitated;

3. through setting up the shaft coupling, do benefit to and keep pivot and torque sensor static relatively to measure the moment of torsion of motor.

Drawings

FIG. 1 is a schematic structural diagram of a split-mount torque motor test tool;

FIG. 2 is a side view of a split-mount torque motor test fixture;

FIG. 3 is a schematic view of a structure in which a screw pushes a rotating shaft to ascend;

fig. 4 is a schematic structural view of a three-jaw chuck and a spacing assembly.

Description of reference numerals: 1. a frame; 11. a support bar; 12. a connecting rod; 13. a first support bar; 14. a second support bar; 15. a third support bar; 16. a first fixing plate; 17. a second fixing plate; 18. a horizontal adjustment wheel; 2. a worm screw hoist; 3. a three-jaw chuck; 31. a claw shell; 32. a clamping jaw; 4. a torque sensor; 41. a flange plate; 42. a fixed cylinder; 43. a limiting plate; 5. a coupling; 6. a rotating shaft; 61. a table top; 7. a limiting component; 71. mounting the cylinder; 711. a baffle ring; 712. a rib; 72. a bearing; 73. a separating cylinder; 74. and (4) fixing the ring.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The application discloses partial shipment formula torque motor test fixture, combine figure 1, fig. 2, including frame 1 that is frame construction, install in frame 1 and be located the turbine lead screw lift 2 of frame 1 lower part, install three-jaw chuck 3 on frame 1 upper portion, install in frame 1 and be located the torque sensor 4 of turbine lead screw lift 2 top, install the shaft coupling 5 on torque sensor 4 upper portion, and vertical setting and lower extreme insert the pivot 6 of establishing on shaft coupling 5, but the upper end of lower extreme butt at the lead screw of turbine lead screw lift 2 of pivot 6, pivot 6 is worn to establish on three-jaw chuck 3, and the upper end of pivot 6 is located the top of three-jaw chuck 3.

When measuring the moment numerical value to the motor, earlier with the stator chucking on three-jaw chuck 3, then establish and install the rotor on pivot 6 by the stable cover in upper end of pivot 6, reduce pivot 6 through turbine lead screw lift 2, and make the rotor be located inside the stator, meanwhile, the lower extreme of pivot 6 is inserted and is established on shaft coupling 5, and pivot 6 and shaft coupling 5 keep static relatively, be connected with external power supply on the stator, after the switch-on, the stator has the pivoted trend and can not rotate under the relative quiescent condition of pivot 6 and shaft coupling 5, thereby act on the moment sensor with the moment of rotor, and finally measure the moment of motor, test fixture simple structure, and convenient for operation does benefit to the moment numerical value of measuring the motor.

Combine fig. 1, fig. 2, frame 1 includes that four vertical supporting rods 11 that set up and many levels set up and both ends respectively the connecting rod 12 of rigid coupling on two supporting rods 11, and connecting rod 12 is provided with ten, and wherein two rectangle frames are constituteed to eight connecting rods 12, and two rectangle frames are located the upper end of supporting rod 11 and the middle part of supporting rod 11 respectively, and two rectangle frames can effectively promote the holistic structural strength of frame 1. The other two connecting rods 12 are arranged in parallel in the length direction, and the two connecting rods 12 are positioned below the lower rectangular frame.

Referring to fig. 1 and 2, two first supporting rods 13 are installed between two lower connecting rods 12 at intervals, a first fixing plate 16 is horizontally installed on the two first supporting rods 13, and the worm gear screw elevator 2 is installed on the first fixing plate 16.

The lower rectangular frame is provided with a plurality of second support rods 14 at intervals, the second support rods 14 are horizontally provided with a second fixing plate 17, and the torque sensor 4 is arranged on the second fixing plate 17.

Two third support rods 15 are arranged between the rectangular frames at the upper ends of the support rods 11 at intervals, and the three-jaw chuck 3 is fixedly arranged on the two third support rods 15.

The first support rod 13, the second support rod 14 and the third support rod 15 which are arranged at equal intervals can provide a stable installation foundation for the turbine screw rod lifter 2, the torque sensor 4 and the three-jaw chuck 3, and meanwhile cannot interfere with the lifting of the screw rod and the rotating shaft 6.

Referring to fig. 1, the supporting rod 11, the connecting rod 12 and the supporting rod are all made of square steel and are welded with each other, so that the overall structural strength of the rack 1 can be maintained, the overall weight of the rack 1 can be effectively reduced, and the rack 1 can be conveniently moved.

Referring to fig. 2, the lower ends of the four supporting rods 11 are respectively provided with a horizontal adjusting wheel 18, the horizontal adjusting wheels 18 are at least three and are uniformly distributed at the lower ends of the supporting rods 11, in the embodiment, the horizontal adjusting wheels 18 are four, and each horizontal adjusting wheel 18 is respectively arranged at the lower end of one supporting rod 11, so that the rack 1 can be conveniently moved, the whole rack 1 can be leveled, and the moment of the motor can be tested.

Referring to fig. 3, the worm screw of the worm screw lifter 2 is vertically disposed, and the upper end of the worm screw penetrates through the second fixing plate 17 and the torque sensor 4 while penetrating through the inside of the coupling 5. The three-jaw chuck 3 comprises a jaw shell 31 and three clamping jaws 32 arranged on the upper surface of the jaw shell 31, and a circular through hole for the rotating shaft 6 to penetrate is formed in the jaw shell 31. When the motor is tested, the stator is placed on the claw shell 31, and then the three clamping claws 32 are used for clamping the claw shell 31.

Refer to fig. 3, on torque sensor 4, the lower surface all is provided with the flange, use the bolt to wear to establish on the flange that is located torque sensor 4 lower surface, link to each other screw and second fixed plate 17 again, can be with torque sensor 4 stable installation on second fixed plate 17, when both being convenient for install torque sensor 4, can also protect torque sensor 4, reduce in carrying out the testing process to the motor, cause the possibility that torque sensor 4 damaged, be favorable to promoting the accuracy of test result.

Referring to fig. 4, be connected with ring flange 41 on the flange that lies in torque sensor 4 upper surface, at ring flange 41 upper surface coaxial arrangement have a fixed cylinder 42, still vertically be fixed with two limiting plates 43 on ring flange 41, two limiting plates 43 all set up with fixed cylinder 42 interval, and two limiting plates 43 symmetry set up in the relative both sides of fixed cylinder 42, have seted up the bar hole along its length direction on the limiting plate 43. The peripheral surface of the fixed cylinder 42 is provided with four planes, and the screw rod is arranged in the fixed cylinder 42 in a penetrating way.

The coupler 5 is of a cylindrical structure, the length of the coupler 5 is consistent with that of the fixed cylinder 42, four planes matched with the outer peripheral surface of the fixed cylinder 42 are formed in the inner peripheral surface of the coupler 5, and after the coupler 5 is sleeved on the fixed cylinder 42, the coupler 5 and the fixed cylinder 42 are kept static.

Two clamping grooves matched with the limiting plates 43 are symmetrically formed in the outer peripheral surface of the coupler 5, and threaded holes are formed in the clamping grooves. After the coupler 5 is sleeved on the fixed cylinder 42, the two limiting plates 43 are respectively located in the clamping grooves, the bolts are used for penetrating through the strip-shaped holes and connected in the threaded holes, and the coupler 5 can be stably installed on the fixed cylinder 42. In addition, when the rotating speed of the motor needs to be tested independently, the bolt is loosened, the shaft coupler 5 is completely sleeved on the fixed cylinder 42, the limitation on the rotating shaft 6 can be removed, and after the external rotating speed measuring equipment is used, and the power supply of the motor is switched on, the rotor drives the rotating shaft 6 to rotate, so that the rotating speed of the motor can be measured independently.

Referring to fig. 4, four planes matched with the inner surface of the coupler 5 are formed on the circumferential surface of the lower end of the rotating shaft 6, and the coupler 5 and the rotating shaft 6 can be kept relatively static after the lower end of the rotating shaft 6 is inserted into the coupler 5. Two sections with different diameters are formed on the upper section of the rotating shaft 6 through cutting processing, the diameter of the section with the smaller diameter of the rotating shaft 6 is consistent with the inner diameter of the rotor, a table surface 61 is formed, the plane of the table surface 61 is perpendicular to the axis direction of the rotating shaft 6, and a key groove is formed in the circumferential surface of the section with the smaller diameter of the rotating shaft 6. The positioning device for positioning the rotor is placed in the key groove, the positioning groove matched with the positioning key is formed in the rotor, and the rotor can be stably arranged on the rotating shaft 6 on the premise of not influencing the normal use of the rotor, so that the torque measurement of the motor is facilitated.

Referring to fig. 4, the test fixture further includes a limiting assembly 7 installed at the lower portion of the claw shell 31 and used for limiting the rotating shaft 6, the limiting assembly 7 includes an installation cylinder 71 connected to the bottom surface of the claw shell 31, two bearings 72 and a partition cylinder 73 arranged in the installation cylinder 71, and a fixing ring 74 installed in a cylinder opening on the installation cylinder 71 in a threaded manner, and the partition cylinder 73 is coaxially arranged with the installation cylinder 71 and located between the two bearings 72. The number of the bearings 72 and the spacers 73 is not limited to two and one, and may be set by itself as necessary.

The outer diameter of the mounting tube 71 is the same as the diameter of the through hole in the pawl housing 31, the inner diameter of the mounting tube 71 is the same as the outer diameter of the bearing 72, and the inner diameter of the bearing 72 is the same as the diameter of the rotating shaft 6. A stopper ring 711 is integrally formed at one end of the mounting tube 71, and a circular rib 712 is integrally formed on the outer circumferential surface of the mounting tube 71, the inner diameter of the stopper ring 711 being smaller than the outer diameter of the bearing 72, so that the bearing 72 can be mounted in the mounting tube 71 by the stopper ring 711 after the bearing 72 is placed in the mounting tube 71. After the bearing 72 and the partition cylinder 73 are placed inside the installation cylinder 71, the fixing ring 74 is installed in one end of the installation cylinder 71, and then the assembly work of the limiting assembly 7 can be completed.

During the use, wear to establish pivot 6 in bearing 72, bearing 72 can restrict the middle part of pivot 6, and stability when promoting the measurement rotor moment of torsion, in addition, when the rotational speed of rotor is measured to needs, stability when spacing subassembly 7 can also promote pivot 6 and rotate.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides a partial shipment formula torque motor test fixture which characterized in that: including frame (1), install turbine lead screw lift (2) in frame (1), install in frame (1) and be located three-jaw chuck (3) of turbine lead screw lift (2) top, install torque sensor (4) in frame (1) lower part and pass three-jaw chuck (3) and lower extreme and insert and establish pivot (6), rotor demountable installation on pivot (6), pivot (6) can be driven by the lead screw of turbine lead screw lift (2) and go up and down, insert when pivot (6) and establish back on torque sensor (4), pivot (6) and torque sensor (4) are static relatively.

2. The split mounting type torque motor test tool according to claim 1, wherein: a table top (61) for placing a rotor is arranged on the rotating shaft (6), and the table top (61) is vertical to the axis of the rotating shaft (6);

a key groove for positioning the rotor is arranged on the rotating shaft (6) above the table-board (61).

3. The split mounting type torque motor test tool according to claim 1, wherein: the torque sensor (4) is provided with a coupler (5), the coupler (5) is of a cylindrical structure with two communicated ends, the rotating shaft (6) can be inserted on the coupler (5), and after the rotating shaft (6) is inserted on the coupler (5), the rotating shaft (6) and the coupler (5) are relatively static;

the coupler (5) can slide on the torque sensor (4) along the axial direction of the rotating shaft (6), and the coupler (5) and the torque sensor (4) can be fixed relatively.

4. The split mounting type torque motor test tool according to claim 3, wherein: the torque sensor (4) is provided with a fixed cylinder (42) for sleeving the coupler (5) and at least one limiting plate (43) arranged at an interval with the fixed cylinder (42);

after the coupler (5) is sleeved on the fixed cylinder (42), the coupler (5) and the fixed cylinder (42) are relatively static, and the limiting plate (43) is provided with a strip-shaped hole.

5. The split mounting type torque motor test tool according to claim 4, wherein: and a flange plate (41) is further mounted on the torque sensor (4), and the fixed cylinder (42) and the limiting plate (43) are mounted on the flange plate (41).

6. The split mounting type torque motor test tool according to claim 1, wherein: and a bearing (72) matched with the rotating shaft (6) is arranged at the lower part of the three-jaw chuck (3), and the rotating shaft (6) is arranged on the bearing (72) in a penetrating way.

7. The split mounting type torque motor test tool according to claim 6, wherein: the three-jaw chuck (3) is provided with an installation cylinder (71) for installing a bearing (72);

at least two bearings (72) are arranged, and the at least two bearings (72) are installed in the installation cylinder (71) at intervals.

8. The split mounting type torque motor test tool according to claim 7, wherein: the two ends of the installation cylinder (71) are communicated, one end of the installation cylinder (71) is provided with a baffle ring (711) for supporting the bearing (72), and the other end of the installation cylinder (71) is internally detachably provided with a fixed ring (74).

9. The split mounting type torque motor test tool according to claim 7, wherein: a partition cylinder (73) is arranged in the mounting cylinder (71), and two ends of the partition cylinder (73) are respectively abutted against the bearings (72).

10. The split mounting type torque motor test tool according to claim 1, wherein: at least three horizontal adjusting wheels (18) are arranged at the lower part of the frame (1).

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