CN214750706U

CN214750706U - Motor test rack

Info

Publication number: CN214750706U
Application number: CN202120301364.9U
Authority: CN
Inventors: 朱贤会; 王清江; 周坤
Original assignee: Xiamen Tungsten Co Ltd
Current assignee: Xiamen Tungsten Co Ltd
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-11-16
Anticipated expiration: 2031-02-02

Abstract

The utility model relates to the technical field of motor testing devices, in particular to a motor testing rack, wherein, the rack comprises a rack body, wherein the rack body is provided with a containing groove for fixing a motor to be tested and a first fixing structure which is arranged above the motor to be tested and is used for matching with the containing groove to fix the motor to be tested; the two side walls of the accommodating groove are respectively provided with at least one contact surface which inclines inwards, so that when the motor to be tested is arranged in the accommodating groove, the contact ends of the two sides of the motor to be tested and the accommodating groove are respectively abutted against the contact surfaces; and at least one contact surface is provided with a centering adjusting mechanism, and the position of the centering adjusting mechanism on the contact surface is adjusted to change the fixed position of the motor to be measured, which abuts against the centering adjusting mechanism. Adopt the utility model provides a rack through structure and frock, has effectively solved the motor and has simply changed, install, fixed, to a series of problems of moderate, and whole operation process is more simple and convenient.

Description

Motor test rack

Technical Field

The utility model relates to a motor testing arrangement technical field, in particular to motor test rack.

Background

The existing motor test bench is not only a high-speed motor but also a low-speed motor, the axes of a tested motor, a torque sensor and a load motor need to be on the same straight line in the test process, the error generally does not exceed +/-0.02 mm, the precision requirement is difficult to achieve through simple mechanical assembly, and many current benches have certain micro-functions; however, the tested motor of the rack needs to be frequently replaced in the test, the precision is lost after the rack is disassembled and assembled, the rack needs to be re-centered again, the whole process is time-consuming and labor-consuming, and the load is complicated; after the locking and fixing, the precision of the three parts can be lost again, especially for high-speed motor testing, the precision requirement is higher, the centering requirement is higher, and the high-efficiency high-precision centering rack is fresh at present;

the application number is 201520997203.2, the bulletin date of the automatic quick clamping device for the motor test is 2016, 4 and 20 days, the automatic quick clamping device for the motor test adopts a V-shaped locking block clamping structure to realize quick clamping of a motor, and the automatic quick clamping device is matched with different motor sizes by adjusting a nut of the automatic quick clamping device; however, when the motor is placed in the V-shaped locking block, fine adjustment centering can no longer be performed, and the machine type of the motor is limited.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems of complex and tedious centering process of the existing test bench in the background art, the utility model provides a motor test bench, which comprises a bench body, wherein the bench body is provided with a containing groove for containing a motor to be tested and a first fixing structure which is arranged above the motor to be tested and is used for being matched with the containing groove to fix the motor to be tested;

the two side walls of the accommodating groove are respectively provided with at least one contact surface which inclines inwards, so that when the motor to be tested is arranged in the accommodating groove, the contact ends of the two sides of the motor to be tested and the accommodating groove are respectively abutted against the contact surfaces;

and at least one contact surface is provided with a centering adjusting mechanism, and the position of the centering adjusting mechanism on the contact surface is adjusted to change the fixed position of the motor to be measured, which abuts against the centering adjusting mechanism.

On the basis of the structure, further, the contact surfaces on the two side walls are symmetrically arranged, and the two contact surfaces are respectively provided with the centering adjusting mechanism.

On the basis of the structure, further, the accommodating groove is a V-shaped groove.

On the basis of the structure, further, the centering adjusting mechanism comprises an adjusting piece capable of moving up and down along the inclined direction of the contact surface, and the position of the motor to be measured abutting against the surface of the adjusting piece is moved by moving the adjusting piece.

On the basis of the structure, further, the centering adjusting mechanism further comprises a fixing piece fixedly arranged on the contact surface, an external piece is arranged on the fixing piece, and the adjusting piece is in threaded connection with the external piece through a connecting piece fixedly arranged on the adjusting piece so as to control the vertical sliding distance of the adjusting piece.

On the basis of the structure, the motor testing device further comprises an adaptive tool arranged outside the motor to be tested.

On the basis of the structure, further, a position adjusting device positioned below the motor to be tested is arranged in the accommodating groove;

the position adjusting device comprises a horizontal moving mechanism and a lifting mechanism, wherein the horizontal moving mechanism is driven by a screw rod, and the lifting mechanism is arranged on the horizontal moving mechanism.

On the basis of the structure, the device further comprises a torque sensor arranged in the accommodating groove and a load motor connected with one end of the torque sensor;

a second fixing structure used for being matched with the accommodating groove to fix the torque sensor and/or the load motor is arranged above the torque sensor and/or the load motor;

and the other end of the torque sensor is used for being connected with a motor to be tested.

On the basis of the structure, furthermore, two ends of the torque sensor are respectively connected with the load motor and the motor to be measured through the couplers.

On the basis of the structure, furthermore, a correcting mechanism is movably arranged on the rack body.

The utility model provides a pair of motor test rack compares with prior art, has following advantage:

the test bench is provided with a limiting mechanism by the structural design of two contact surfaces which incline inwards, has a self-centering function, greatly reduces the difficulty of integral centering adjustment, is provided with a centering adjusting mechanism on the surface of the contact surface, and adjusts the fixed position of a motor to be tested by adjusting the position of the centering adjusting mechanism, thereby achieving the purpose of centering;

meanwhile, in order to further improve the universality, an adaptive tool is sleeved outside the motor to be tested, so that the testing of the motors with different shapes can be simultaneously met.

Drawings

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

Fig. 1 is a schematic structural diagram of a motor test bench provided by the present invention;

fig. 2 is a schematic structural diagram of a centering adjustment mechanism provided by the present invention;

fig. 3 is a schematic structural diagram of an adjusting member provided by the present invention;

fig. 4 is a schematic structural diagram of a fixing member according to the present invention;

fig. 5 is a schematic structural diagram of a position adjustment device provided by the present invention;

fig. 6 is a schematic structural diagram of a calibration mechanism provided in the present invention;

fig. 7 is a schematic structural diagram of another motor test rack provided by the present invention;

fig. 8 is a schematic structural diagram of the motor test bench with the cover plate according to the present invention.

Reference numerals:

100 rack body 110 containing groove 111 contact surface

120 centering adjustment mechanism 121 regulating part 122 fixing part

123 external connector 124 connector 130 position adjusting device

131 horizontal moving mechanism 132 elevating mechanism 133 elevating table

134 base 135 hinge support 136 knob

137 slideway 138 sliding table 139 handwheel

140 correcting mechanism 141 dial indicator 142 slide rail

143 slider 200 first securing structure 210 suspension ring

Second fixing structure of 300 torque sensor 400 load motor 500

600 shaft coupling

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

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

The utility model provides a motor test rack, which comprises a rack body 100, wherein the rack body 100 is provided with a containing groove 110 for fixing a motor to be tested and a first fixing structure 200 which is arranged above the motor to be tested and is used for being matched with the containing groove 110 to fix the motor to be tested;

specifically, two side walls of the accommodating groove 110 are respectively provided with at least one contact surface 111 which is inclined inwards, so that when the motor to be tested is accommodated in the groove, contact ends of two sides of the motor to be tested and the accommodating groove 110 respectively abut against the contact surfaces 111;

specifically, a centering adjusting mechanism 120 is arranged on at least one of the contact surfaces 111, and the position of the centering adjusting mechanism 120 on the contact surface 111 is adjusted to change the fixing position of the motor to be measured abutting against the centering adjusting mechanism 120.

In specific implementation, the motor test bench comprises a bench body 100, and a containing groove 110 is formed in the bench body 100; the two side walls of the accommodating groove 110 have at least an inwardly inclined contact surface 111, and it can be understood that the two side walls have an inclined contact surface respectively, and the inclined contact surface is inclined in such a manner that the width near the bottom end of the groove is smaller than the width at the opening end of the groove, for example, the accommodating groove 110 is a V-shaped groove, or has two inclined surfaces in the middle part to match with the bottom part to be a spatial shape with other structures, such as a semicircle or a rectangle in the cross section of the bottom part;

a first fixing structure 200 is arranged above the motor to be tested, the first fixing structure 200 can be a fixed cover plate, two ends of the fixed cover plate are respectively fixed at two ends of the rack body 100, and the motor to be tested is fixed by matching the upper side of the motor to be tested with the accommodating groove 110;

a centering adjusting mechanism 120 is arranged on the contact surface 111, the motor to be measured can be directly contacted with the centering adjusting mechanism 120 based on the arrangement of the centering adjusting mechanism 120, and the position of the motor to be measured abutting against the centering adjusting mechanism 120 is adjusted by adjusting the position of the centering adjusting mechanism 120 on the contact surface 111, wherein the position of the centering adjusting mechanism 120 is changed, preferably but not limited to, along the up-and-down movement in the inclined direction of the contact surface 111;

preferably, the contact surfaces 111 on the two side walls are symmetrically arranged, and one centering adjustment mechanism 120 is respectively arranged on the two contact surfaces 111. Preferably, the receiving groove 110 is a V-shaped groove.

As a specific embodiment, as shown in fig. 1 to 4, when the accommodating groove 110 is a V-shaped groove, the centering adjustment mechanisms 120 are respectively disposed on the surfaces of the two sides of the V-shaped groove, and when the motor to be measured is placed in the V-shaped groove, the motor to be measured respectively abuts against the two centering adjustment mechanisms 120;

the centering adjustment mechanism 120 includes a fixing member 122 and an adjusting member 121, the fixing member 122 is fixed on the inclined plane of the V-shaped groove, the adjusting member 121 is movably disposed on the fixing member 122, meanwhile, the fixing member 122 is provided with an external member 123, the external member 123 is provided with a plurality of threaded holes, the positions of the threaded holes are higher than the contact surface 111 of the fixing member 122 and the adjusting member 121, the adjusting member 121 is provided with a connecting member 124 having an external thread structure adapted to the threaded holes, one end of the connecting member 124 is fixed to the adjusting member 121 and passes through the threaded holes, and the other end of the connecting member has a limiting structure so that the connecting member 124 cannot pass through the threaded holes completely; the position of the adjusting member 121 is adjusted by screwing the connecting member 124, thereby limiting the position of the placement of the motor to be measured.

Through the structural design of the contact surface with the two inward inclinations, the test bench has a self-centering function due to the limiting mechanism, the difficulty of overall adjustment centering is greatly reduced, the centering adjusting mechanism is arranged on the surface of the contact surface, and the position of the centering adjusting mechanism is adjusted to adjust the fixed position of the motor to be tested, so that the centering purpose is achieved.

Preferably, the centering adjustment mechanism 120 includes an adjustment member 121 that can move up and down along the direction of inclination of the contact surface 111, and the motor position to be measured abutting on the surface of the adjustment member 121 is moved by moving the adjustment member 121.

In specific implementation, as shown in fig. 1 to 4, the centering adjustment mechanism 120 includes an adjustment member 121, and the adjustment member 121 can move up and down along an inclined direction of the contact surface 111, and is arranged based on the inclined arrangement of the contact surface 111 of the accommodation groove 110, so that the adjustment member 121 can be adjusted more directly and effectively in a manner of moving up and down along the inclined direction of the contact surface 111, and meanwhile, a manner of limiting the adjustment member 121 to move up and down along the inclined direction can be a sliding rail manner, or a concave-convex structure is arranged on a surface of the adjustment member 121 in contact with the contact surface 111, and a concave-convex structure adapted to the contact surface 111 is arranged on the contact surface 111 to limit a moving direction of the adjustment member 121, and the like;

by moving the adjusting member 121 up and down along the contact surface 111 in an inclined direction, the position relationship of the motor to be measured contacting the adjusting member 121 is also changed, and centering adjustment is achieved.

Preferably, the centering adjustment mechanism 120 further includes a fixing member 122 fixedly disposed on the contact surface 111, the fixing member 122 is provided with an external connector 123, and the adjusting member 121 is in threaded connection with the external connector 123 through a connecting member 124 fixedly disposed on the adjusting member 121 to control a distance that the adjusting member 121 slides up and down.

In practical implementation, as shown in fig. 1 to 4, the centering adjustment mechanism 120 further includes a fixing member 122 disposed between the contact surface 111 and the adjustment member 121, and the fixing member 122 is fixed on the contact surface 111, and the fixing member 122 replaces the contact surface 111 to contact with the adjustment member 121, on one hand, the fixing member 122 is more convenient and lower in cost in replacement than the rack body 100, and meanwhile, more materials can be selected for the function of the fixing member 122, and the materials are more widely available for the rack body 100;

meanwhile, as described above, in a specific implementation, the centering adjustment mechanism 120 includes a fixing element 122 and an adjusting element 121, the fixing element 122 is fixed on the inclined plane of the V-shaped groove, the adjusting element 121 is movably disposed on the fixing element 122, meanwhile, an external element 123 is disposed on the fixing element 122, a plurality of threaded holes are disposed on the external element 123, the positions of the threaded holes are higher than the contact surface 111 of the fixing element 122 and the adjusting element 121, a connecting element 124 having an external thread structure adapted to the threaded holes is disposed on the adjusting element 121, one end of the connecting element 124 is fixed to the adjusting element 121 and is inserted into the threaded holes, and the other end of the connecting element has a limiting structure so that the connecting element 124 cannot completely pass through the threaded holes; the position of the adjusting member 121 is adjusted by screwing the connecting member 124, thereby limiting the position of the placement of the motor to be measured.

Preferably, the device further comprises an adaptive tool arranged outside the motor to be tested.

In specific implementation, considering the applicability of the rack body 100, an adaptive tool is arranged to adapt to motors of different models, and the shape structure of the adaptive tool is adapted to the shape structure of the motor test rack provided by the utility model, such as a circular shell, so that one test rack can be suitable for motors of various models by unifying the adaptive tool, and only different adaptive tools need to be configured;

moreover, can also set up location structure according to motor appearance characteristics, with the adaptation the utility model provides a test rack, for example an outer shell structure is hexagonal motor, and back in arranging storage tank 110 in, its top height has a certain distance apart from the apron, can fill as the adaptation frock through filling cushion isotructure to make this motor can the adaptation.

Preferably, a position adjusting device 130 is disposed in the accommodating groove 110 and below the motor to be tested;

the position adjusting device 130 includes a horizontal moving mechanism 131 driven by a screw rod and a lifting mechanism 132 disposed on the horizontal moving mechanism 131.

As shown in fig. 1, 5, 7 and 8, a position adjusting device 130 is further disposed below the position for accommodating the motor to be tested, and the position adjusting device 130 is mainly used for performing horizontal movement and lifting during the process of replacing the motor to be tested, so as to take out the motor to be tested from the accommodating groove 110.

When the detection is finished, the first fixing structure 200 is removed, and the motor to be detected is lifted upwards or slightly by the lifting structure 132 so as to be separated from the surface of the accommodating groove 110 and/or the centering adjustment mechanism 120, and then is moved to a position convenient for taking out by the horizontal movement mechanism 131, so that the friction between the motor and the rack body 100 in the moving process is avoided.

As a preferable scheme, as shown in fig. 5, the lifting mechanism 132 includes a lifting platform 133, and the lifting platform 133 can be driven to move up and down by a screw transmission manner; the lifting platform 133 is characterized by further comprising a base 134 and a plurality of hinge supports 135, wherein the lifting platform 133 and the base 134 are arranged up and down correspondingly, one end of each hinge support 135 is connected with the lifting platform 133, the hinge supports 135 are driven to lift in a screw rod transmission mode, and one end of each corresponding screw rod is provided with a knob 136;

as shown in fig. 5, the horizontal moving mechanism 131 includes a slide 137, a slide table 138, and a hand wheel 139 connected to an outer end of the corresponding screw rod for operation.

Preferably, the device further comprises a torque sensor 300 disposed in the accommodating groove 110 and a load motor 400 connected to one end of the torque sensor 300;

a second fixing structure 500 for fixing the torque sensor 300 and/or the load motor 400 by matching with the accommodating groove 110 is arranged above the torque sensor 300 and/or the load motor 400;

the other end of the torque sensor 300 is used for connecting with a motor to be measured.

In specific implementation, as shown in fig. 7, a torque sensor 300 and a load motor 400 are further disposed in the accommodating groove 110, and the motor to be tested is detected in a manner that the motor to be tested is sequentially connected with the torque sensor 300 and the load motor 400;

as shown in fig. 8, one or more second fixing structures 500 are further disposed above the rack body 100, in this embodiment, the second fixing structures 500 are fixing cover plates having two ends respectively fixed to two ends of the rack body 100, for example, the fixing cover plates respectively disposed above the torque sensor 300 and the load motor 400 fix two ends of the fixing cover plates to two sides of the rack body 100, so that the motor to be tested, the torque sensor 300 and the load motor 400 are fixed after being locked, and are detached after the test is completed.

As a preferable scheme, a plurality of hanging rings 210 are arranged on the first fixing structure 200 and the second fixing structure 500, so that the whole test bench can be lifted and transferred conveniently.

Preferably, two ends of the torque sensor 300 are respectively connected with the load motor 400 and the motor to be measured through a coupling 600.

In specific implementation, as shown in fig. 7 and 8, two ends of the torque sensor 300 are respectively connected to the load motor 400 and the motor to be tested by using the coupling 600.

Preferably, a calibration mechanism 140 is movably disposed on the gantry body 100.

In specific implementation, as shown in fig. 8, a calibration mechanism 140 is disposed on the rack body 100, the calibration mechanism 140 may be disposed in a reciprocating manner, for example, the calibration mechanism 140 includes a dial indicator 141, and the dial indicator is movably disposed in a manner of being matched with the slide rail 142 and the slide block 143, and the concentricity of the motor to be measured, the torque sensor 300, and the load motor 400 is measured by making a dial indicator, and the centering adjustment mechanism 120 is finely adjusted after the concentricity is measured until the centering standard is met, and the calibration mechanism 140 may be another measurement tool, which may be implemented by those skilled in the art in other manners based on the above technical concept.

Although terms such as a gantry body, a receiving groove, a contact surface, a centering adjustment mechanism, an adjustment member, a fixing member, an external member, a connecting member, a position adjustment device, a horizontal movement mechanism, a lifting table, a base, a hinge bracket, a knob, a slide way, a hand wheel, a correction mechanism, a dial indicator, a slide rail, a slide block, a cover plate, a lifting ring, a torque sensor, a load motor, etc., are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

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

Claims

1. The utility model provides a motor test rack, includes rack body (100), be equipped with one on rack body (100) and be used for settling storage tank (110) of the motor that awaits measuring and one locate the motor top that awaits measuring and be used for cooperating storage tank (110) to make first solid dress structure (200) that awaits measuring the motor is fixed, its characterized in that:

two side walls of the accommodating groove (110) are respectively provided with at least one contact surface (111) which inclines inwards, so that when the motor to be tested is placed in the accommodating groove (110), the contact ends of the two sides of the motor to be tested and the accommodating groove (110) are respectively abutted against the contact surfaces (111);

and a centering adjusting mechanism (120) is arranged on at least one contact surface (111), and the position of the centering adjusting mechanism (120) on the contact surface (111) is adjusted to change the fixed position of a motor to be measured, which abuts against the centering adjusting mechanism (120).

2. A motor test rig according to claim 1, wherein: the contact surfaces (111) on the two side walls are symmetrically arranged, and the centering adjusting mechanisms (120) are respectively arranged on the two contact surfaces (111).

3. A motor test rig according to claim 1 or 2, wherein: the accommodating groove (110) is a V-shaped groove.

4. A motor test rig according to claim 1, wherein: the centering adjusting mechanism (120) comprises an adjusting piece (121) capable of moving up and down along the inclined direction of the contact surface (111), and the position of a motor to be measured abutting against the surface of the adjusting piece (121) is moved by moving the adjusting piece (121).

5. A motor test rig according to claim 4, wherein: the centering adjusting mechanism (120) further comprises a fixing piece (122) fixedly arranged on the contact surface (111), an external piece (123) is arranged on the fixing piece (122), and the adjusting piece (121) is in threaded connection with the external piece (123) through a connecting piece (124) fixedly arranged on the adjusting piece (121) so as to control the vertical sliding distance of the adjusting piece (121).

6. A motor test rig according to claim 1, wherein: the device also comprises an adaptive tool arranged outside the motor to be tested.

7. A motor test rig according to claim 1, wherein: a position adjusting device (130) positioned below the motor to be tested is arranged in the accommodating groove (110);

the position adjusting device (130) comprises a horizontal moving mechanism (131) driven by a screw rod and a lifting mechanism (132) arranged on the horizontal moving mechanism (131).

8. A motor test rig according to claim 1, wherein: the torque sensor (300) is arranged in the accommodating groove (110), and the load motor (400) is connected to one end of the torque sensor (300);

a second fixing structure (500) used for being matched with the accommodating groove (110) to fix the torque sensor (300) and/or the load motor (400) is arranged above the torque sensor (300) and/or the load motor (400);

the other end of the torque sensor (300) is used for being connected with a motor to be measured.

9. A motor test rig according to claim 8, wherein: and two ends of the torque sensor (300) are respectively connected with the load motor (400) and the motor to be tested through a coupler (600).

10. A motor test rig according to claim 1 or 8, wherein: the rack body (100) is movably provided with a correcting mechanism (140).