CN113984380B - Electromagnetic clutch torque test bench, control method and application - Google Patents

Electromagnetic clutch torque test bench, control method and application Download PDF

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Publication number
CN113984380B
CN113984380B CN202111264611.3A CN202111264611A CN113984380B CN 113984380 B CN113984380 B CN 113984380B CN 202111264611 A CN202111264611 A CN 202111264611A CN 113984380 B CN113984380 B CN 113984380B
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electromagnetic clutch
rotor
miniature
shell
shaft
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CN113984380A (en
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黄进
程羽
乔永刚
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Xidian University
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Xidian University
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00Testing of machine parts
    • G01M13/02Gearings; Transmission mechanisms
    • G01M13/022Power-transmitting couplings or clutches
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00Testing of machine parts
    • G01M13/02Gearings; Transmission mechanisms
    • G01M13/025Test-benches with rotational drive means and loading means; Load or drive simulation

Abstract

The invention belongs to the technical field of electromagnetic clutch load testing equipment and discloses an electromagnetic clutch torque testing table, a control method and application, wherein the electromagnetic clutch torque testing table is provided with a shell, a miniature electromagnetic clutch is mounted on the upper side of the shell through a fastening screw, and a primary driven gear is mounted on a driving shaft of the miniature electromagnetic clutch; a secondary driving gear is arranged on the auxiliary shaft of the miniature electromagnetic clutch and is meshed with a secondary driven gear; the second grade driven gear installs on the rotor shaft, and first rotor subassembly is installed to the rotor shaft left end, and the second rotor subassembly is installed to the rotor shaft right-hand member. The disks on the first and second rotor assemblies leave tether holes and threaded fastener holes for securing a load about a tether. The invention has the advantages of simple test steps, reduced test cost, realization of repeated tests, and high efficiency and high speed of completing the test of the electromagnetic clutch.

Description

Electromagnetic clutch torque test bench, control method and application
Technical Field
The invention belongs to the technical field of electromagnetic clutch load testing equipment, and particularly relates to an electromagnetic clutch torque testing table, a control method and application.
Background
At present, a plurality of inconveniences exist in the actual production and test of the miniature electromagnetic clutch, and the known electromagnetic clutch detection equipment at the present stage adopts a comprehensive parameter tester formed by combining a clutch, a sensor, a data processor and a real-time feedback display device, so that the equipment has the disadvantages of large volume, complex system, high manufacturing cost and high test cost. Only professional detection mechanisms or large-scale manufacturers are provided, and the practical application of general small-scale enterprises is very little.
Through the above analysis, the problems and defects of the prior art are as follows: the existing equipment has large volume, complex system, high cost and expensive test cost; only professional monitoring organizations or large-scale manufacturers are provided, and the actual application of general small-scale enterprises is very little.
The difficulty in solving the above problems and defects is: the detection device needs to be redesigned for the miniature electromagnetic clutch, the actual working condition of the electromagnetic clutch can be simulated simply and efficiently, the comprehensive tester with high cost and high manufacturing cost is avoided, and the device has good repeated test and repeated installation performance.
The significance of solving the problems and the defects is as follows: the test problem of miniature electromagnetic clutch of small-size firm production is solved in fact, and convenient efficient change load simulates electromagnetic clutch practical application operating mode, assesss electromagnetic clutch parameter and performance, practices thrift the test cost.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides an electromagnetic clutch torque test bench, a control method and application. The invention simulates the actual working condition by adding load to the rotor assembly. The start and continuous operation load of the electromagnetic clutch can be simply and efficiently evaluated.
The invention is realized in such a way that the electromagnetic clutch torque test bench is provided with a shell; the upper side of the shell is provided with a miniature electromagnetic clutch through a fastening screw, and a primary driven gear is arranged on a driving shaft of the miniature electromagnetic clutch;
a secondary driving gear is arranged on the auxiliary shaft of the miniature electromagnetic clutch and is meshed with a secondary driven gear;
the second grade driven gear installs on the rotor shaft, and first rotor subassembly is installed to the rotor shaft left end, and the second rotor subassembly is installed to the rotor shaft right-hand member.
Further, the disks of the first and second rotor assemblies are provided with rope tying holes and fastening threaded holes for winding ropes to fix loads.
Further, the shell is reserved with a direct current wire hole of the electromagnetic coil.
Furthermore, the shell is provided with a positioning hole of the micro motor and a fixing seat thereof, and the fixing shell of the micro electromagnetic clutch is arranged in parallel with the micro motor.
Furthermore, a micro motor is installed on the upper side of the shell through fastening screws, and a primary driving gear is installed on an output shaft of the micro motor.
Further, the first-stage driving gear is meshed with the first-stage driven gear.
Further, a direct current lead of the magnetic induction coil in the miniature electromagnetic clutch penetrates through a lead hole reserved in the shell.
Further, the rotor shaft is fixed to the housing through a ball bearing.
Another object of the present invention is to provide a method for controlling an electromagnetic clutch torque testing table of the electromagnetic clutch torque testing table, comprising:
when the rectangular shell is machined, two micromotor mounting holes are reserved, a micromotor is fixedly mounted through threaded fit, and an output shaft of the micromotor is tightly matched with the primary driving gear; the miniature electromagnetic clutch and the miniature motor are arranged in parallel, and a fastening threaded hole is reserved for the miniature electromagnetic clutch when the shell is processed, so that the miniature electromagnetic clutch can be fixed with the shell through a fastening screw;
the main shaft of the miniature electromagnetic clutch is tightly matched with the primary driven gear, and the auxiliary shaft of the miniature electromagnetic clutch is tightly matched with the secondary driving gear; the secondary driven gear is tightly matched with the rotor shaft, a small hole is reserved on the outer circle of the rotor, and a heavy object is fixed in a rope tying mode; in addition, a wire hole is reserved around the shell of the miniature electromagnetic clutch and used for leading out a direct current wire of the magnetic induction coil;
during testing, the tested micro motor is connected with a power line, and the magnetic induction coil direct-current lead is connected after the micro electromagnetic clutch is fixed; whether the micro electromagnetic clutch works or not is controlled through the on-off of a direct current lead, a working condition load needing to be simulated is additionally arranged on the outer circle of the rotor through a string, the motor is controlled to normally rotate, the running condition of the micro electromagnetic clutch in a joint state is observed, the performance of the micro electromagnetic clutch is tested, and the torque which can be transmitted by the micro electromagnetic clutch is calculated; by the mode, the size of the load at the rotor end is changed, and the starting performance and the continuous operation performance of the electromagnetic clutch are also tested.
The invention also aims to provide application of the electromagnetic clutch torque test bench in production and test of miniature electromagnetic clutches.
By combining all the technical schemes, the invention has the advantages and positive effects that: the invention adopts the form of rotor load to finish the accurate test of the whole set of driving system of the micro motor and the electromagnetic clutch. The purposes of simulating working conditions, calculating torque and continuously operating and debugging are achieved by changing the load of the rotor. The processing technology of each part is simple, light practical, possesses and to dismantle, advantage that repeated test accuracy is high. The method has the advantages that various data of the electromagnetic clutch such as blocking, starting, running and loading are accurately obtained, and the test of a precise instrument of the electromagnetic clutch, including a sensor and a display device, is omitted. The testing cost and the testing steps of the micro electromagnetic clutch and the micro motor are greatly reduced, and the testing environment is simplified.
Drawings
FIG. 1 is a schematic structural diagram of an electromagnetic clutch torque test bench provided by an embodiment of the invention;
FIG. 2 is a schematic view of a rectangular housing according to an embodiment of the present invention;
FIG. 3 is a front view of an electromagnetic clutch torque test stand according to an embodiment of the present invention;
FIG. 4 is a rear view of a torque testing table of an electromagnetic clutch according to an embodiment of the present invention;
FIG. 5 is a schematic structural view of a rotor assembly provided in accordance with an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a miniature electromagnetic clutch provided by an embodiment of the present invention;
in the figure: 1. a first rotor assembly; 2. a secondary driven gear; 3. a secondary drive gear; 4. a housing; 5. a miniature electromagnetic clutch; 6. a primary driven gear; 7. a second rotor assembly; 8. a micro motor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Aiming at the problems in the prior art, the invention provides an electromagnetic clutch torque test bench, a control method and application thereof, and the invention is described in detail below with reference to the accompanying drawings.
Those skilled in the art of providing an electromagnetic clutch torque test stand according to the present invention may also perform other steps, and the electromagnetic clutch torque test stand provided by the present invention of fig. 1 is only one specific embodiment.
As shown in fig. 1, the electromagnetic clutch torque test bench provided by the embodiment of the invention is provided with a casing 4, a micro motor 8 is installed on the upper side of the casing 4 through a fastening screw, and a primary driving gear is installed on an output shaft of the micro motor 8; the first-level driving gear is meshed with the first-level driven gear 6, the miniature electromagnetic clutch 5 is installed on the upper side of the shell 4 through a fastening screw, and a direct-current lead of a magnetic induction coil in the miniature electromagnetic clutch 5 penetrates through a lead hole reserved in the shell. A primary driven gear 6 is mounted on a driving shaft of the miniature electromagnetic clutch 5, a secondary driving gear 3 is mounted on a secondary shaft of the miniature electromagnetic clutch 5, and the secondary driving gear 3 is meshed with the secondary driven gear 2. The secondary driven gear 2 is arranged on a rotor shaft, and the rotor shaft is fixed on the shell 4 through a ball bearing; the first rotor component 1 is installed at the left end of the rotor shaft, the second rotor component 7 is installed at the right end of the rotor shaft, and the quality of load on the rotor is changed, so that the purpose of testing the running load of the clutch is achieved.
The discs on the first and second rotor assemblies 1 and 7 leave rope lacing holes and fastening screw holes for securing loads around the ropes. The shell 4 reserves a direct current wire hole of the electromagnetic coil. The positioning hole of the micro motor and the fixing seat of the micro motor are reserved on the shell 4, and the fixing shell of the micro electromagnetic clutch is fixed at the position parallel to the micro motor through fastening screws on the periphery.
Firstly, as shown in fig. 1-6, a test target is selected, and parts required for testing are machined. Then, the stepping motor 8 is arranged on the shell 4, and the purpose of fixing the motor 8 is achieved through the positioning threaded hole on the shell 4. Then, a miniature electromagnetic clutch 5 is installed, and the purpose of fixing is achieved through matching with a fastening screw on the shell 4; and (3) passing the direct current lead of the magnetic induction coil in the miniature electromagnetic clutch 5 through a lead hole reserved in the shell. A primary driving gear is arranged on an output shaft of the motor 8, a primary driven gear 6 is arranged on a driving shaft of the electromagnetic clutch, and a secondary driving gear 3 is arranged on an auxiliary shaft of the electromagnetic clutch; after the secondary driven gear 2 is installed on the rotor shaft in advance, the secondary driven gear is fixed on the shell 4 through a ball bearing, two rotor (a first rotor component 1 and a second rotor component 7) components are respectively fixed at two ends of the rotor shaft, and fastening screws are used for ensuring connection. The load is fixed to the rotors (the first rotor assembly 1 and the second rotor assembly 7) at both ends. The rotor energizes the magnetic induction coil in the electromagnetic clutch, so that the miniature electromagnetic clutch 5 is in an adsorption state. Controlling the rotation of the electric micro motor 8. The running state of the rotor is observed and recorded, and the purpose of evaluating and calculating the performance of the electromagnetic clutch is achieved.
The working principle of the invention is as follows: when the rectangular shell is machined, two micromotor mounting holes are reserved, a micromotor is fixedly mounted through threaded fit, and an output shaft of the micromotor is tightly matched with the primary driving gear; the miniature electromagnetic clutch and the miniature motor are arranged side by side, and a fastening threaded hole is reserved for the miniature electromagnetic clutch during processing of the shell, so that the miniature electromagnetic clutch can be fixed with the shell through a fastening screw.
The main shaft of the miniature electromagnetic clutch is tightly matched with the primary driven gear, and the auxiliary shaft of the miniature electromagnetic clutch is tightly matched with the secondary driving gear. The secondary driven gear is tightly matched with the rotor shaft. A small hole is reserved on the outer circle of the rotor, and a heavy object is fixed in a rope tying mode. In addition, a wire hole is reserved around the shell of the miniature electromagnetic clutch and used for leading out a direct current wire of the magnetic induction coil.
During testing, the tested micro motor is connected with a power line, and the magnetic induction coil direct current lead is connected after the micro electromagnetic clutch is fixed. The on-off of the direct current lead controls whether the micro electromagnetic clutch works or not. The working condition load to be simulated is additionally arranged on the outer circle of the rotor through the thin rope, the motor is controlled to normally rotate, the running condition of the miniature electromagnetic clutch in a joint state is observed, the performance aspect of the miniature electromagnetic clutch can be tested, and the torque which can be transmitted by the miniature electromagnetic clutch can be calculated. By the mode, the size of the load at the rotor end is changed, and the starting performance and the continuous operation performance of the electromagnetic clutch can be tested.
The load arranged on the rotor is in a multiple form, and weights with fixed mass can be directly arranged through winding to simulate the operation of working conditions. The fixed dynamometer can be connected by winding, and peak data of starting and stopping operation is recorded. The effect of simulating long-time running can be achieved by suspending the rope retracting device.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The above description is only for the purpose of illustrating the present invention and the appended claims are not to be construed as limiting the scope of the invention, which is intended to cover all modifications, equivalents and improvements that are within the spirit and scope of the invention as defined by the appended claims.

Claims (7)

1. The utility model provides an electromagnetic clutch torque test platform which characterized in that, electromagnetic clutch torque test platform is provided with:
a housing;
the upper side of the shell is provided with a miniature electromagnetic clutch through a fastening screw, and a primary driven gear is arranged on a driving shaft of the miniature electromagnetic clutch;
a secondary driving gear is arranged on the auxiliary shaft of the miniature electromagnetic clutch and is meshed with a secondary driven gear;
the secondary driven gear is arranged on the rotor shaft, the first rotor assembly is arranged at the left end of the rotor shaft, and the second rotor assembly is arranged at the right end of the rotor shaft;
the discs on the first rotor assembly and the second rotor assembly are provided with rope tying holes and fastening threaded holes for winding ropes to fix loads;
the upper side of the shell is provided with a micro motor through a fastening screw, and a primary driving gear is arranged on an output shaft of the micro motor;
the first-stage driving gear is meshed with the first-stage driven gear.
2. The torque test stand of an electromagnetic clutch according to claim 1, characterized in that the housing reserves a direct current wire hole of the electromagnetic coil.
3. The torque testing platform of the electromagnetic clutch according to claim 1, wherein the housing is provided with a positioning hole for the micro motor and a fixing seat thereof, and the fixing housing of the electromagnetic clutch is arranged in parallel with the micro motor.
4. The torque testing platform of the electromagnetic clutch according to claim 1, wherein the direct current lead of the magnetic induction coil in the miniature electromagnetic clutch passes through a lead hole reserved in the shell.
5. The electromagnetic clutch torque test stand of claim 1 wherein said rotor shaft is secured to the housing by ball bearings.
6. A control method for an electromagnetic clutch torque test stand according to any one of claims 1 to 5, wherein the method comprises the following steps:
when the rectangular shell is machined, two micromotor mounting holes are reserved, a micromotor is fixedly mounted through threaded fit, and an output shaft of the micromotor is tightly matched with the primary driving gear; the miniature electromagnetic clutch and the miniature motor are arranged in parallel, and a fastening threaded hole is reserved for the miniature electromagnetic clutch when the shell is processed, so that the miniature electromagnetic clutch can be fixed with the shell through a fastening screw;
the main shaft of the miniature electromagnetic clutch is tightly matched with the primary driven gear, and the auxiliary shaft of the miniature electromagnetic clutch is tightly matched with the secondary driving gear; the secondary driven gear is tightly matched with the rotor shaft, a small hole is reserved on the outer circle of the rotor, and a heavy object is fixed in a rope tying mode; in addition, a wire hole is reserved around the shell of the miniature electromagnetic clutch and used for leading out a direct current wire of the magnetic induction coil;
during testing, the tested micro motor is connected with a power line, and the magnetic induction coil direct-current lead is connected after the micro electromagnetic clutch is fixed; whether the micro electromagnetic clutch works or not is controlled through the on-off of a direct current lead, a working condition load needing to be simulated is additionally arranged on the outer circle of the rotor through a string, the motor is controlled to normally rotate, the running condition of the micro electromagnetic clutch in a joint state is observed, the performance of the micro electromagnetic clutch is tested, and the torque which can be transmitted by the micro electromagnetic clutch is calculated; by the mode, the size of the load at the rotor end is changed, and the starting performance and the continuous operation performance of the electromagnetic clutch are also tested.
7. The application of the torque test bench of the electromagnetic clutch as claimed in any one of claims 1 to 5 in the production and test of a miniature electromagnetic clutch.
CN202111264611.3A 2021-10-28 2021-10-28 Electromagnetic clutch torque test bench, control method and application Active CN113984380B (en)

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Application Number Priority Date Filing Date Title
CN202111264611.3A CN113984380B (en) 2021-10-28 2021-10-28 Electromagnetic clutch torque test bench, control method and application

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Application Number Priority Date Filing Date Title
CN202111264611.3A CN113984380B (en) 2021-10-28 2021-10-28 Electromagnetic clutch torque test bench, control method and application

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CN113984380B true CN113984380B (en) 2022-08-23

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CN106768534A (en) * 2016-12-06 2017-05-31 安徽昊方机电股份有限公司 A kind of electromagnetic clutch torque test stand
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CN208765955U (en) * 2018-07-02 2019-04-19 诸暨市迅捷离合器有限公司 A kind of torque detecting apparatus of electromagnetic clutch

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CN200979469Y (en) * 2006-12-14 2007-11-21 浙江工业大学 A bidirectional torque testing device
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WO2014122014A2 (en) * 2013-02-06 2014-08-14 Avl List Gmbh Test bench and method and method for testing a torque-transmitting component
CN106768534A (en) * 2016-12-06 2017-05-31 安徽昊方机电股份有限公司 A kind of electromagnetic clutch torque test stand
CN108827627A (en) * 2018-05-28 2018-11-16 河北工业大学 A kind of gear mesh force detection device
CN208765955U (en) * 2018-07-02 2019-04-19 诸暨市迅捷离合器有限公司 A kind of torque detecting apparatus of electromagnetic clutch
CN208520577U (en) * 2018-08-14 2019-02-19 合肥工业大学 Dry dual clutch assembly all-round property testing equipment

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