CN217034177U - Test bed for speed reducing motor of dumper - Google Patents
Test bed for speed reducing motor of dumper Download PDFInfo
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- CN217034177U CN217034177U CN202220419914.1U CN202220419914U CN217034177U CN 217034177 U CN217034177 U CN 217034177U CN 202220419914 U CN202220419914 U CN 202220419914U CN 217034177 U CN217034177 U CN 217034177U
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- speed reducing
- reducing motor
- platform
- dumper
- rolling
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Abstract
The utility model discloses a dumper speed reducing motor test bed which comprises a platform, a mounting seat, a supporting seat and detection equipment. The mounting seat is arranged on the platform and is suitable for being connected and fixed with a base of the speed reducing motor; the supporting seat is arranged on the platform and is arranged along the length direction of the platform at intervals with the mounting seat, the supporting seat is suitable for being supported below a hub of the speed reduction motor, and the hub is rotatable relative to the supporting seat. The detection equipment is arranged on the platform and is suitable for detecting the rotating speed, the temperature, the vibration quantity and the resistance of the speed reducing motor. The utility model provides a motor test bed which can be used for installing a speed reducing motor of a dumper and testing the speed reducing motor.
Description
Technical Field
The utility model relates to the technical field of speed reducer manufacturing, in particular to a speed reducing motor test bed for a dumper.
Background
The mine dump truck has large carrying capacity and good trafficability, is usually used for transporting ores or gravels in large-scale open mines and hydraulic engineering, has large tonnage, adopts a huge speed reducing motor to drive wheels of the dump truck to rotate, has severe working environment and needs to test the speed reducing motor before overhauling and mounting. The related art lacks a test bed which can install and detect the speed reducing motor of the dump truck.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, the embodiment of the utility model provides a dumper speed reducing motor test bed.
The dumper speed reducing motor test bed comprises a platform; the mounting seat is arranged on the platform and is suitable for being connected and fixed with a base of the speed reducing motor; the supporting seat is arranged on the platform and is arranged at intervals with the mounting seat along the length direction of the platform, the supporting seat is suitable for being supported below a hub of the speed reducing motor, and the hub can rotate relative to the supporting seat; the detection equipment is arranged on the platform and is suitable for detecting the rotating speed, the temperature, the vibration quantity and the resistance of the speed reducing motor
The dumper speed reducing motor test bed provided by the embodiment of the utility model can be used for installing a dumper speed reducing motor and testing the speed reducing motor.
In some embodiments, the mounting base is provided with a first arcuate slot in which a portion of the base fits, and a plurality of mounting holes adapted to receive fasteners therethrough, the mounting base being connected to the base by fasteners.
In some embodiments, the supporting seat includes a seat body and a plurality of rolling members, the plurality of rolling members are rotatably assembled on the seat body, and the plurality of rolling members are suitable for rolling fit with the hub to reduce the friction of the hub.
In some embodiments, the seat body is provided with a second arc-shaped groove, the hub is fitted in the second arc-shaped groove, and the plurality of rolling members are arranged at intervals along the width direction of the platform.
In some embodiments, a mounting cavity is formed in the base, the plurality of rolling members includes a first rolling group and a second rolling group, the first rolling group and the second rolling group include a plurality of rolling members, the first rolling group and the second rolling group are disposed in the mounting cavity, and the first rolling group and the second rolling group are arranged at intervals along the length direction of the platform.
In some embodiments, the detection device includes a power supply, a voltage regulator and a frequency converter, the voltage regulator and the frequency converter are electrically connected to the power supply, the voltage regulator is suitable for changing the voltage of the speed reduction motor so that the speed reduction motor can perform a no-load test or a heavy-load test, and the frequency converter is suitable for changing the frequency of the speed reduction motor so that the speed reduction motor can perform an overspeed test.
In some embodiments, the detection device comprises a protection resistance provided between the frequency converter and the geared motor adapted to protect the frequency converter when the geared motor is idling.
In some embodiments, the detection device comprises a temperature sensor, a vibration sensor and a photoelectric rotation speed sensor, wherein the temperature sensor is suitable for monitoring the temperature of the stator and the bearing of the gear motor, the vibration sensor is suitable for being fixed on a bearing seat of the gear motor in an absorption mode, the vibration sensor is suitable for detecting vibration parameters of the gear motor, and the photoelectric rotation speed sensor is suitable for detecting the rotation speed of the wheel hub.
In some embodiments, the detection device comprises a resistance tester adapted to be electrically connected to the geared motor and to detect the direct current resistance and the insulation resistance of the geared motor.
In some embodiments, the dumper speed reduction motor test bed comprises a guardrail, the guardrail is arranged on the platform, the guardrail extends along the edge of the platform, and the mounting seat, the supporting seat and the detection equipment are located in the guardrail.
Drawings
Fig. 1 is a schematic structural diagram of a dumper speed reduction motor test bed in an embodiment of the utility model.
Fig. 2 is a right-side schematic view of the dumper speed reduction motor test bed according to the embodiment of the utility model.
Fig. 3 is a schematic top view of a dumper speed reduction motor test bed according to an embodiment of the utility model.
Reference numerals are as follows:
a platform 1;
a mounting base 2; a first arc-shaped slot 21; mounting holes 22;
a support base 3; a second arc-shaped slot 31; the rolling members 32; a first scrolling group 321; a second scrolling group 322;
a detection device 4;
a guardrail (5).
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
The following describes a dumper speed reducing motor test bed according to an embodiment of the utility model with reference to the accompanying drawings.
The dumper speed reducing motor test bed provided by the embodiment of the utility model comprises a platform 1, a mounting seat 2, a supporting seat 3 and detection equipment 4.
The mounting seat 2 is arranged on the platform 1, and the mounting seat 2 is suitable for being connected and fixed with a base of a speed reducing motor (not shown in the figure). Concretely, gear motor includes the base, and the base extends along gear motor's periphery side, and the base is equipped with a plurality of basic holes, and basic hole extends along gear motor's axial, and a plurality of basic holes are arranged along the axial interval of base, thereby the base is suitable for and installs gear motor on the frame with frame connection is fixed, thereby mount pad 2 passes through basic jogged joint with the base and fixes the connected mode of simulation gear motor and frame.
Supporting seat 3 locates platform 1 and arranges along the length direction interval of platform 1 with mount pad 2, and supporting seat 3 is suitable for to support in gear motor's wheel hub below, and wheel hub is rotatable relative to supporting seat 3. Specifically, the gear motor comprises a hub which is rotatably connected with the base to drive the dumper, and the supporting seat 3 is abutted against the lower side of the hub to support the hub to rotate.
The detection device 4 is arranged on the platform 1, and the detection device 4 is suitable for detecting the rotating speed, the temperature, the vibration quantity and the resistance of the speed reducing motor. Specifically, the speed reduction motor is subjected to no-load test and operation test in the dumper speed reduction motor test bed provided by the embodiment of the utility model, and when the speed reduction motor runs in the dumper speed reduction motor test bed provided by the embodiment of the utility model, the detection device 4 detects the rotating speed, the temperature, the vibration quantity and the resistance of the speed reduction motor so as to analyze the working condition of the speed reduction motor, thereby performing fault diagnosis on the speed reduction motor.
The dumper speed reducing motor test bed provided by the embodiment of the utility model provides a motor test bed capable of mounting a dumper speed reducing motor and testing the speed reducing motor.
The dumper speed reducing motor test bed provided by the embodiment of the utility model can be used for mounting the wheel side speed reducing motor for the huge dumper with larger size and heavier self weight by arranging the mounting seat 2 and the supporting seat 3, the dumper speed reducing motor test bed provided by the embodiment of the utility model can be used for comprehensively detecting the parameters of the speed reducing motor in operation by arranging the detection equipment 4 so as to analyze the operation condition of the dumper speed reducing motor, and comprehensively detecting and testing the fault of the speed reducing motor before the dumper speed reducing motor is operated on the machine, so that the overhauling efficiency of the dumper speed reducing motor is improved on one hand, and the fault rate of the dumper speed reducing motor after the dumper speed reducing motor is operated on the machine on the other hand is reduced.
In some embodiments, the mounting base 2 is provided with a first arcuate slot 21 and a plurality of mounting holes 22, a portion of the base fits within the first arcuate slot 21, the mounting base 2 is attached to the base by fasteners, and the mounting holes 22 are adapted to receive the fasteners therethrough.
Specifically, the first arc-shaped slot 21 extends along the length direction of the test stand, i.e., the front-rear direction, a part of the base is fitted in the first arc-shaped slot 21 and extends along the front-rear direction, so as to limit the radial position of the reduction motor, the plurality of mounting holes 22 are arranged at intervals around the outer peripheral side of the first arc-shaped slot 21, and the mounting holes 22 extend in the axial direction of the reduction motor and penetrate through the mounting base 2.
Thus, when the reduction motor is fitted in the first arc-shaped groove 21, part of the base holes correspond one-to-one to the mounting holes 22, so that the fastening member passes through the mounting holes 22 and the base holes corresponding thereto, thereby fixing the relative positions of the base and the mount 2 in the radial direction of the reduction motor, and the fastening member fastens the base and the mount 2 to fix the position of the reduction motor in the front-rear direction.
In some embodiments, the support base 3 includes a base body and a plurality of rolling members 32, the plurality of rolling members 32 being rotatably mounted to the base body, the plurality of rolling members 32 being adapted to roll against the hub to reduce the friction of the hub.
Specifically, the rolling members 32 are arranged in parallel at intervals, the rotating shafts of the rolling members 32 extend in the front-rear direction, the supporting seat 3 is located between the rolling members 32 and the platform 1 to fix the positions of the rolling members 32, the rolling members 32 can freely rotate relative to the supporting seat 3, and when the speed reducing motor is mounted on the speed reducing motor test bed of the dumper truck, the lower surface of the hub is stopped against the surfaces of the rolling members 32. Therefore, on one hand, the lower surface of the hub is stopped against the surfaces of the rolling pieces 32 to fix the radial position of the hub and support the hub, on the other hand, the rolling pieces 32 are in rolling fit with the surface of the hub, and the friction between the hub and the supporting seat 3 is changed into rolling friction, so that the friction between the hub and the supporting seat 3 is reduced.
In some embodiments, the base is provided with a second arc-shaped slot 31, the hub is fitted in the second arc-shaped slot 31, and the plurality of rolling members 32 are arranged at intervals along the width direction of the platform 1.
Specifically, the second arc-shaped groove 31 extends along the front-back direction to adapt to the extension of the wheel hub along the front-back direction, the cross-sectional shape of the second arc-shaped groove 31 is circular, and the axis of the second arc-shaped groove 31 coincides with the axis of the wheel hub, so that the wheel hub is matched in the second arc-shaped groove 31. The rolling members 32 are arranged at intervals along the width direction of the platform 1 and at intervals along the circumferential direction of the cross section of the second arc-shaped groove 31, and part of the rolling members 32 extend into the second arc-shaped groove 31 to stop against the hub.
Thus, the rolling members 32 are arranged at intervals along the circumferential direction of the section of the second arc-shaped groove 31, that is, the rolling members 32 are arranged at intervals along the outer circumferential side of the section of the hub, and when the hub is stopped against the rolling members 32, on one hand, the rolling members 32 are located at the lower side of the hub so as to limit the position of the hub in the up-down direction, and on the other hand, the rolling members 32 are arranged along the outer circumferential side of the hub so as to limit the position of the hub in the left-right direction.
In some embodiments, a mounting cavity is provided in the base body, the plurality of rolling elements 32 include a first rolling group 321 and a second rolling group 322, both the first rolling group 321 and the second rolling group 322 include the plurality of rolling elements 32, the first rolling group 321 and the second rolling group 322 are provided in the mounting cavity, and the first rolling group 321 and the second rolling group 322 are arranged at intervals along the length direction of the platform 1.
Specifically, the first rolling group 321 includes a plurality of rolling members 32 arranged at intervals along the outer peripheral side of the cross section of the second arc-shaped slot 31, the second rolling group 322 includes a plurality of rolling members 32 arranged at intervals along the outer peripheral side of the cross section of the second arc-shaped slot 31, and the first rolling group 321 and the second rolling group 322 are arranged at intervals in parallel in the front-rear direction.
From this, on the one hand first roll group 321 and second roll group 322 along the parallel interval arrangement of fore-and-aft direction and increased the contact point quantity of supporting seat 3 with the wheel hub contact to increased the area of supporting seat 3 with the wheel hub contact and reduced the pressure between wheel hub and supporting seat 3, on the other hand first roll group 321 and second roll group 322 along the parallel interval arrangement of fore-and-aft direction and increased along the support quantity between fore-and-aft direction supporting seat 3 and wheel hub, reduced gear motor wheel hub's radial runout when the test bench tests.
In some embodiments, the detection device 4 comprises a power supply, a voltage regulator and a frequency converter, the voltage regulator and the frequency converter being electrically connected to the power supply, the voltage regulator being adapted to vary the voltage of the gear motor so that the gear motor can perform an empty-load test or a heavy-load test, and the frequency converter being adapted to vary the frequency of the gear motor so that the gear motor can perform an overspeed test.
Specifically, the power supply is connected to an ac power grid to supply power to the detection device 4, the voltage regulator is located between the power supply and the reduction motor to change the voltage input to the reduction motor, thereby changing the power output by the reduction motor to perform a no-load test and a heavy-load test on the reduction motor, and the frequency converter is located between the voltage regulator and the reduction motor to change the frequency of the ac power input to the reduction motor, thereby adjusting the rotational speed of the reduction motor to perform an overspeed test on the reduction motor.
The first passage and the second passage are arranged between the voltage regulator and the speed reducing motor, the air switch is arranged in the first passage and is suitable for protecting the speed reducing motor in a heavy-load experiment, the frequency converter is located in the second passage, and the detection assembly is connected with the speed reducing motor to detect parameters of the speed reducing motor under different working conditions.
In some embodiments, the detection device 4 comprises a protection resistor provided between the frequency converter and the geared motor suitable for protecting the frequency converter when the geared motor is idling.
Specifically, the running speed of the speed reducing motor in the overspeed test is high, a long stopping time is needed after the test is finished, the speed reducing motor continuously idles in the long stopping time and reversely outputs current to the frequency converter to damage the frequency converter, and a protective resistor is arranged between the frequency converter and the speed reducing motor, so that the protective resistor can consume the current reversely output by the speed reducing motor to protect the frequency converter, and the protective resistor does not influence a variable-frequency current signal output by the frequency converter to the speed reducing motor in the overspeed test.
In some embodiments, the detection device 4 comprises a temperature sensor adapted to monitor the temperature of the stator and the bearing of the geared motor, a vibration sensor adapted to be fixed by suction on a bearing seat of the geared motor, adapted to detect a vibration parameter of the geared motor, and a photoelectric rotation speed sensor adapted to detect the rotation speed of the hub.
Specifically, the temperature sensors are diaphragm type resistance temperature sensors, the temperature sensors are multiple, the temperature sensors are respectively located on the outer wall of a stator of the speed reducing motor and the side wall of the inner ring of a bearing of the speed reducing motor, and when the speed reducing motor runs, the temperature sensors detect the temperature of the stator of the speed reducing motor and the temperature of the bearing of the speed reducing motor so as to detect the working condition of the speed reducing motor.
The vibration sensor is provided with a magnetic absorption seat, so that the vibration sensor can be absorbed and fixed on a bearing seat of the speed reducing motor, and vibration acceleration signals of the bearing seat of the speed reducing motor in the vertical, horizontal and front-back directions are detected, integrated into a speed effective value signal and output into an analog signal.
The photoelectric rotating speed sensor comprises a reflector, a light source and a light sensor, the reflector is located on the outer peripheral side of the hub and rotates along with the hub, the light source irradiates the reflector, the light sensor detects the frequency of light source reflection, and the frequency of the light source reflected into the light sensor through the reflector is the rotating speed of the hub.
In some embodiments, the detection device 4 comprises a resistance tester adapted to be electrically connected to the gear motor and to detect the direct current resistance and the insulation resistance of the gear motor.
Specifically, the resistance tester is connected to both ends of the stator of the reduction motor to detect the direct-current resistance and the insulation resistance of the stator of the reduction motor, and the resistance tester can energize the stator of the reduction motor to perform a withstand voltage test on the reduction motor.
In some embodiments, the speed reducing motor test bed for the dump truck comprises a guardrail 5, the guardrail 5 is arranged on the platform 1, the guardrail 5 extends along the edge of the platform 1, and the mounting seat 2, the supporting seat 3 and the detection device 4 are located in the guardrail 5.
Specifically, the guard rail 5 is located on the outer peripheral side of the mount 2, the support base 3, and the console, and the guard rail 5 is detachably connected to the platform 1. Therefore, on one hand, the guardrail 5 can prevent danger caused by too close distance between an operator and the speed reducing motor when the speed reducing motor is tested, and on the other hand, the guardrail 5 can be detached, so that the speed reducing motor can be conveniently installed in the speed reducing motor test bed of the dumper provided by the embodiment of the utility model.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being permanently connected, detachably connected, or integral; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In the present invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the second feature or the first and second features may be indirectly contacting each other through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the present disclosure, the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples" and the like mean 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 disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer 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, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although the above embodiments have been shown and described, it should be understood that they are exemplary and should not be construed as limiting the present invention, and that many changes, modifications, substitutions and alterations to the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (10)
1. The utility model provides a tipper gear motor test bench which characterized in that includes:
a platform;
the mounting seat is arranged on the platform and is suitable for being connected and fixed with a base of the speed reducing motor;
the supporting seat is arranged on the platform and is arranged at intervals with the mounting seat along the length direction of the platform, the supporting seat is suitable for being supported below a hub of the speed reducing motor, and the hub can rotate relative to the supporting seat;
the detection equipment is arranged on the platform and is suitable for detecting the rotating speed, the temperature, the vibration quantity and the resistance of the speed reducing motor.
2. The dumper speed reducing motor test bed according to claim 1, wherein the mounting base is provided with a first arc-shaped groove and a plurality of mounting holes, part of the base is matched in the first arc-shaped groove, the mounting base is connected with the base through a fastening piece, and the mounting holes are suitable for the fastening piece to pass through.
3. The dumper speed reducing motor test bed according to claim 1, wherein the supporting seat comprises a seat body and a plurality of rolling members, the plurality of rolling members are rotatably assembled on the seat body, and the plurality of rolling members are suitable for being in rolling fit with the wheel hub so as to reduce the friction effect of the wheel hub.
4. The dumper speed reducing motor test bed as claimed in claim 3, wherein the base body is provided with a second arc-shaped groove, the hub is fitted in the second arc-shaped groove, and the plurality of rolling members are arranged at intervals along the width direction of the platform.
5. The dumper speed reducing motor test bed as claimed in claim 3, wherein a mounting cavity is arranged in the seat body, the plurality of rolling members comprise a first rolling group and a second rolling group, the first rolling group and the second rolling group both comprise a plurality of rolling members, the first rolling group and the second rolling group are arranged in the mounting cavity, and the first rolling group and the second rolling group are arranged at intervals along the length direction of the platform.
6. The dumper speed reducing motor test bed according to claim 1, wherein the detection device comprises a power supply, a voltage regulator and a frequency converter, the voltage regulator and the frequency converter are electrically connected with the power supply, the voltage regulator is suitable for changing the voltage of the speed reducing motor so that the speed reducing motor can perform a no-load test or a heavy-load test, and the frequency converter is suitable for changing the frequency of the speed reducing motor so that the speed reducing motor can perform an overspeed test.
7. The dumper speed reducing motor test bed as claimed in claim 6, wherein the detection device comprises a protection resistor which is arranged between the frequency converter and the speed reducing motor and is suitable for protecting the frequency converter when the speed reducing motor idles.
8. The dumper speed reducing motor test bed according to claim 6, wherein the detection device comprises a temperature sensor, a vibration sensor and a photoelectric rotating speed sensor, the temperature sensor is suitable for monitoring the temperature of a stator and a bearing of the speed reducing motor, the vibration sensor is suitable for being fixed on a bearing seat of the speed reducing motor in an adsorption mode, the vibration sensor is suitable for detecting vibration parameters of the speed reducing motor, and the photoelectric rotating speed sensor is suitable for detecting the rotating speed of the wheel hub.
9. The dumper speed reduction motor test stand according to claim 6, wherein the detection device comprises a resistance tester, and the resistance tester is suitable for being electrically connected with the speed reduction motor and detecting the direct current resistance and the insulation resistance of the speed reduction motor.
10. The dumper speed reducing motor test bed according to any one of claims 1-9, comprising a guardrail disposed on the platform, the guardrail extending along an edge of the platform, the mounting seat, the supporting seat and the detection device being located in the guardrail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220419914.1U CN217034177U (en) | 2022-02-28 | 2022-02-28 | Test bed for speed reducing motor of dumper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220419914.1U CN217034177U (en) | 2022-02-28 | 2022-02-28 | Test bed for speed reducing motor of dumper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217034177U true CN217034177U (en) | 2022-07-22 |
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ID=82452775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220419914.1U Active CN217034177U (en) | 2022-02-28 | 2022-02-28 | Test bed for speed reducing motor of dumper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217034177U (en) |
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2022
- 2022-02-28 CN CN202220419914.1U patent/CN217034177U/en active Active
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