Device for testing performance of generator

By introducing a movable first mounting base and guide structure into the generator performance test device, combined with a transmission assembly and a locking member, the problem of poor compatibility of existing devices is solved, simple testing of generators of different specifications is achieved, and the accuracy and safety of the test are improved.

CN223362225UActive Publication Date: 2025-09-19SHANGHAI FIORENTINI GAS EQUIP
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Patent Information

Application Number
CN202422487688.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-15
Publication Date
2025-09-19
Estimated Expiration
2034-10-15

AI Technical Summary

Technical Problem

Existing generator performance testing devices have complex structures and poor compatibility, making them difficult to apply to generators of different specifications.

Method used

A device including a base, a drive mechanism, a first mounting seat and a performance detection mechanism is designed. The first mounting seat is movably set on the base through a first guide structure. Combined with a transmission assembly and a locking piece, the installation and testing of generators of different specifications can be realized. A transparent cover and shock-absorbing pads are provided to improve safety and stability.

Benefits of technology

It improves the versatility and compatibility of the generator performance test device, simplifies the operating process, reduces the impact of vibration, and improves the accuracy and safety of the test.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a device for generator performance testing, which comprises a base, a driving mechanism, a first mounting seat, a performance detection mechanism and a first locking piece, a first guide structure is arranged on the base, the driving mechanism is arranged on the base, the first mounting seat is arranged opposite to the driving mechanism, and the performance detection mechanism is arranged on the first mounting seat. The first mounting seat is arranged on the base and is suitable for being movably arranged on the base through a first guide structure so as to adjust the distance between the first mounting seat and the driving mechanism, the tested generator is detachably mounted on the first mounting seat, and the performance detection mechanism is arranged between the driving mechanism and the first mounting seat and is provided with an input end and an output end; the driving mechanism is in transmission connection with the input end, the tested generator is suitable for being in transmission connection with the output end, the first locking piece is suitable for fixing the first mounting seat on the base, the device is simple in structure and convenient to operate, the first mounting seat can move relative to the base, the tested generators of different specifications can be conveniently tested, and the testing efficiency is improved. And the compatibility of the device is effectively improved.
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Description

Technical Field

[0001] The present application relates to the technical field of generator testing, and further to a device for generator performance testing. Background Art

[0002] A generator is a mechanical device that converts mechanical energy into electrical energy. Driven by a turbine, steam turbine, diesel engine, or other power machinery, it converts energy generated by water flow, air flow, fuel combustion, or nuclear fission into mechanical energy, which is then transmitted to the generator, where it is then converted into electrical energy. With the development and advancement of science and technology, generators have become indispensable in daily life, with applications spanning a wide range of fields, including industrial and agricultural production, national defense, science and technology, and daily life. Generators come in many forms, but all operate based on the laws of electromagnetic induction and electromagnetic force to achieve energy conversion.

[0003] The rotor of a generator is a crucial component in generating electricity. As the rotor rotates, its conductors cut through magnetic lines of flux in a magnetic field, generating an electromotive force (EMF), which in turn generates an electric current. However, existing generator testing devices are complex and lack versatility, being suitable only for generators of a certain specification.

[0004] Therefore, the present invention is dedicated to providing a device for generator performance testing to solve the above technical problems. Utility Model Content

[0005] In response to the above technical problems, the purpose of this application is to provide a device for generator performance testing, aiming to solve the technical problems in the existing technology that the motor performance testing device has a complex structure, poor compatibility, and is difficult to apply to motors of different specifications, so as to achieve the purpose of improving the versatility of the motor performance testing device and thereby improving the user experience.

[0006] To achieve the above objectives, the present application provides a device for generator performance testing, comprising:

[0007] a base, wherein a first guide structure is provided on the base;

[0008] a driving mechanism, wherein the driving mechanism is arranged on the base;

[0009] a first mounting seat, the first mounting seat being arranged opposite to the driving mechanism and being adapted to be movably arranged on the base via the first guide structure so as to adjust the distance between the first mounting seat and the driving mechanism, the generator under test being detachably mounted on the first mounting seat;

[0010] a performance detection mechanism, the performance detection mechanism being disposed between the drive mechanism and the first mounting seat, the performance detection mechanism having an input end and an output end, the drive mechanism being in driving connection with the input end, and the generator under test being adapted to be in driving connection with the output end, so that the performance detection mechanism can obtain performance parameters of the generator under test;

[0011] A first locking member is adapted to fix the first mounting seat on the base.

[0012] In some embodiments, at least one first sliding groove is provided on the base, and each first sliding groove is extended along a direction of the first mounting seat close to the driving mechanism;

[0013] The lower end surface of the first mounting seat is provided with a first sliding block matched with the first sliding groove. The first sliding block is movably provided in the first sliding groove to drive the first mounting seat to move relative to the base.

[0014] In some embodiments, a plurality of first fixing holes are provided on the first mounting seat, and the first locking member is adapted to pass through the first fixing holes and the first sliding groove to connect and fix the first mounting seat to the base.

[0015] In some embodiments, the invention further comprises a transmission assembly disposed on the base, the transmission assembly comprising a threaded rod and a handwheel disposed at one end of the threaded rod, and an end of the threaded rod away from the handwheel is rotatably disposed in one of the first sliding grooves;

[0016] The first slider has a threaded hole, and the first slider is rotatably sleeved on the outer side of the threaded rod through the threaded hole and is threadedly connected to the threaded rod.

[0017] In some embodiments, the device further comprises an input coupling and an output coupling, wherein the input coupling is mounted on a side of the performance detection mechanism close to the driving mechanism, and the driving mechanism is connected to the input end through the input coupling.

[0018] The output end coupling is arranged on a side of the performance detection mechanism close to the first mounting seat, and the generator under test is transmission-connected to the output end via the output end coupling.

[0019] In some embodiments, the driving mechanism includes a motor and a second mounting base, and the motor is detachably disposed on the second mounting base;

[0020] The base is also provided with a second locking member and a second guide structure corresponding to the first guide structure. The second mounting seat is suitable for sliding cooperation with the base through the second guide structure, and the second locking member is suitable for fixing the second mounting seat on the base.

[0021] In some embodiments, the performance detection mechanism includes a torque meter and a fixing seat, wherein the fixing seat is disposed on the base, and the torque meter is disposed on the fixing seat;

[0022] The input end coupling and the output end coupling are respectively arranged on two opposite sides of the torque meter.

[0023] In some embodiments, shock-absorbing feet are further included. The shock-absorbing feet are arranged on the lower end surface of the base and located at the four corners of the base to support the base.

[0024] In some embodiments, the base further includes a first output unit and a second output unit disposed opposite to each other on the lower end surface of the base;

[0025] The first output unit is electrically connected to the driving mechanism, and the second output unit is electrically connected to the generator under test.

[0026] In some embodiments, a transparent cover is further included, wherein the transparent cover is detachably disposed on the base and covers the outer sides of the performance detection mechanism, the driving mechanism, and the first mounting seat;

[0027] An operation window is provided on the transparent cover, and the operation window is arranged corresponding to the switch on the performance detection mechanism.

[0028] Compared with the prior art, the device for generator performance testing provided by this application has the following beneficial effects:

[0029] 1. The utility model provides a device for testing the performance of a generator, in which a driving mechanism and a first mounting seat are relatively mounted on a base, a performance detection mechanism is mounted between the driving mechanism and the first mounting seat, and a generator to be tested is mounted on the first mounting seat, and the driving mechanism and the generator to be tested are respectively connected to the input end and the output end of the performance detection mechanism in a transmission manner to obtain the performance parameters of the generator to be tested. The utility model has a simple structure and is easy for users to operate and use. Moreover, the first mounting seat can be moved relative to the base, and the distance between the first mounting seat and the performance detection mechanism can be adjusted so that generators of different specifications (different output shaft lengths) can be mounted on the first mounting seat and connected to the output end in a transmission manner, thereby improving the compatibility of the device for testing the performance of motors, meeting the testing requirements of generators of different specifications, and having strong versatility.

[0030] 2. The utility model provides a device for testing the performance of a generator. A transmission assembly is also provided on the base. After the first locking member is released from the limit position with the first mounting seat and the base, the user can move the first mounting seat by turning the handwheel to accurately adjust the position relationship of the first mounting seat relative to the base.

[0031] 3. The utility model provides a device for testing the performance of a generator, wherein the driving mechanism includes a second mounting base and a driving motor detachably arranged on the second mounting base. The second mounting base can slide relative to the base through a second guide mechanism, so that the user can replace driving motors of different specifications, thereby improving the flexibility of the device when used.

[0032] 4. The utility model provides a device for testing the performance of a generator. Shock-absorbing pads are provided at the four corners of the lower end surface of the base, which can effectively reduce the vibration generated by the driving motor and the generator under test during operation, and ensure the accuracy of the performance testing mechanism when testing the generator.

[0033] 5. The utility model provides a device for generator performance testing, in which a transparent cover is provided on the outer side of the performance detection mechanism, the drive mechanism and the first mounting seat. The transparent cover can play a protective role, reducing the possibility of injury to the user caused by the high-speed rotation of the drive motor and the generator under test. At the same time, the user can observe the internal structure of the performance testing device through the transparent cover, so as to obtain the operating status of the device in time, and then take countermeasures in time to reduce the possibility of accidents. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] The preferred implementation scheme will be described below in a clear and understandable manner with reference to the accompanying drawings to further illustrate the above-mentioned characteristics, technical features, advantages and implementation methods of the present application.

[0035] Figure 1 This is a schematic structural diagram of a device for generator performance testing according to the present application;

[0036] Figure 2 is an internal schematic diagram of a device for generator performance testing according to the present application;

[0037] Figure 3 This is an exploded schematic diagram of a device for testing the performance of a generator according to the present application;

[0038] Figure 4 This is a structural schematic diagram of a first mounting base of a device for generator performance testing in the present application.

[0039] Explanation of the accompanying drawings: base 1, first slide 11, shock-absorbing pad 12, second slide 13, first output unit 14, second output unit 15, transparent cover 16, operation window 161, start button 17, speed adjustment button 18, drive mechanism 2, drive motor 21, second mounting seat 22, first mounting seat 3, generator under test 31, first slider 32, first fixing hole 33, performance detection mechanism 4, input end 41, output end 42, torque meter 43, positioning pin 431, fixing seat 44, input end coupling 45, output end coupling 46. DETAILED DESCRIPTION

[0040] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the specific implementation methods of the present application will be described below with reference to the accompanying drawings. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings and other implementation methods can be obtained based on these drawings without inventive work.

[0041] To simplify the drawings, only the portions relevant to the application are schematically depicted in each figure; they do not represent the actual structure of the product. Furthermore, to simplify the drawings and facilitate understanding, in some figures, only one component with the same structure or function is schematically depicted or labeled. In this document, "one" not only means "only one" but also "more than one."

[0042] It should be further understood that the term "and / or" used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.

[0043] It should be noted that, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be understood broadly. For example, they can refer to fixed, detachable, or integral connections; mechanical or electrical connections; direct or indirect connections through an intermediary; and internal communication between two components. Those skilled in the art will understand the specific meanings of these terms in this application based on the specific circumstances.

[0044] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and 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 therefore should not be understood as a limitation on the present application.

[0045] In addition, in the description of the present application, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0046] In one embodiment, a device for testing the performance of a generator is described. A first mounting seat 3 is slidably set on a base 1 through a first guide mechanism. The generator 31 to be tested is detachably set on the first mounting seat 3. The driving mechanism 2 is transmission-connected to the input end 41, and the generator 31 to be tested is transmission-connected to the output end 42. This can achieve performance testing of the generator 31 to be tested. The structure is simple, and the device can test motors of different specifications, which can effectively improve the compatibility of the device.

[0047] Specifically, see the accompanying drawings Figures 1 to 4 A device for testing the performance of a generator includes a base 1, a driving mechanism 2, a first mounting seat 3, a performance detection mechanism 4 and a first locking member, wherein a first guide mechanism cooperating with the first mounting seat 3 is provided on the base 1, the driving mechanism 2 is provided on the base 1, the first mounting seat 3 is provided on the base 1 and is arranged opposite to the driving mechanism 2, and the performance detection mechanism 4 is provided between the driving mechanism 2 and the first mounting seat 3.

[0048] The first mounting seat 3 is disposed on the base and is adapted to move relative to the base via a first guide structure to adjust the distance between the first mounting seat 3 and the drive mechanism 2, thereby adjusting the distance between the first mounting seat 3 and the generator under test 31. Furthermore, the generator under test 31 is detachably mounted on the first mounting seat 3. The performance detection mechanism 4 has an input terminal 41 and an output terminal 42. The drive mechanism 2 is in transmission connection with the input terminal 41 of the performance detection mechanism 4. The generator under test 31 is mounted on the first mounting seat 3 and is in transmission connection with the output terminal 42 of the performance detection mechanism 4, so that the performance detection mechanism 4 can obtain the performance parameters of the generator under test 4 during operation. Accordingly, the first locking member is adapted to secure the first mounting seat 3 to the base 1 to ensure the stability of the generator under test 31 during testing.

[0049] It should be noted that existing devices for testing motor performance are relatively complex in structure and often require the installation of multiple auxiliary mechanisms to achieve motor performance testing. However, the device for testing generator performance provided in this embodiment only requires the installation of a drive mechanism 2, a performance detection mechanism 4, and a first mounting base 3, resulting in a simple structure. During use, the generator 31 under test only needs to be mounted on the first mounting base 3 and connected to the output terminal 42 of the performance detection mechanism. The drive mechanism 2 is then activated, providing torque to the generator 31 under test. As the drive mechanism 2 drives the generator 31 under test to rotate at a constant speed, data from the performance detection mechanism 4 is recorded, thereby obtaining the performance parameters of the generator 31 under test. Furthermore, after a generator 31 under test has completed testing, the user can remove it and adjust the distance between the first mounting base 3 and the performance detection mechanism 4 according to the specifications (output shaft length) of the next generator 31 under test, so that the generator 31 under test can be smoothly connected to the output terminal 42 after being mounted on the first mounting base 3. This device is highly compatible and can test motors of various specifications, ensuring the quality and stability of the generator's power generation.

[0050] In one embodiment, see the accompanying drawings Figure 2 This embodiment further describes the performance testing mechanism 4. The device for motor performance testing further includes an input coupling 45 and an output coupling 46. The input coupling 45 is mounted on the side of the performance testing mechanism 4 close to the drive mechanism 2 (the side of the performance testing mechanism 4 close to the drive mechanism 2 is the input end 41). The drive mechanism 2 is connected to the input end 41 of the performance testing mechanism 4 via the input coupling 45. The output coupling 46 is mounted on the side of the performance testing mechanism 4 close to the first mounting seat 3 (the side of the performance testing mechanism 4 close to the first mounting seat 3 is the output end 42). The generator 31 under test is connected to the output end 42 of the performance testing mechanism 4 via the output coupling 46.

[0051] Furthermore, the performance detection mechanism 4 is configured as a torque meter 43 and a fixed base 44. The fixed base 44 is mounted on the base 1 and is located between the drive mechanism 2 and the first mounting base 3. Accordingly, the torque meter 43 is mounted on the fixed base 44 and is used to obtain performance parameters of the generator 31 under test. The torque meter 43 has an input end 41 and an output end 42. An input coupling 45 and an output coupling 46 are disposed on opposite sides of the torque meter 43.

[0052] Generally speaking, in actual production applications, the torque meter 43 can use a digital torque meter, which can accurately measure the output torque, instantaneous power and real-time speed of a small generator, obtain more comprehensive performance parameters, and improve the accuracy of the generator test.

[0053] In order to improve the connection strength between the torque meter 43 and the fixing seat 44 and ensure the test accuracy, the torque meter 43 and the fixing seat 44 are connected and fixed by a positioning pin 431. The positioning pin 431 can be set on the torque meter 43 and the fixing seat 44, and positioning holes that match the positioning pin 431 are set on the torque meter 43 and the fixing seat 44. The positioning pin 431 is engaged with the positioning hole to achieve the connection and matching of the torque meter 43 and the fixing seat 44.

[0054] Furthermore, a device for generator performance testing also includes a transparent cover 16, which is detachably mounted on the base 1. The performance detection mechanism 4, the drive mechanism 2, and the first mounting base 3 are all disposed within the transparent cover 16. It will be appreciated that the transparent cover 16 facilitates observation of the device's operating status and also provides protection, reducing the possibility of harm to the user from the drive mechanism 2 and the generator under test 31. Furthermore, an operating window 161 is provided in the transparent cover 16. This operating window 161 corresponds to the switch on the torque meter 43 of the performance detection mechanism 4, allowing the user to operate the switch through the operating window 161.

[0055] In one embodiment, see the accompanying drawings Figure 1 A device for testing generator performance also includes shock-absorbing feet 12, which are provided on the lower end surface of base 1 and at the four corners of base 1 to support base 1. Shock-absorbing feet 12 reduce vibration during operation of drive mechanism 2 and generator under test 31, thereby reducing the adverse effects of vibration on torque meter 43.

[0056] In one embodiment, this embodiment further describes the base 1. The base 1 is provided with at least one first chute 11, each of which extends along the direction of the first mounting seat 3 toward the drive mechanism 2 to form a first guide structure. Furthermore, a first slider 32 is provided on the lower end surface of the first mounting seat 3. The first slider 32 is adapted to cooperate with the first chute 11 to movably position the first slider 32 within the first chute 11, thereby enabling the first mounting seat 3 to move relative to the base 1 via the first chute 11, thereby adjusting the distance between the first mounting seat 3 and the performance detection mechanism 4.

[0057] In addition, a plurality of first fixing holes 33 are provided on the first mounting base 3. The first locking member is adapted to pass through the first fixing holes 33 and the first slide slot 11 to securely connect the first mounting base 3 to the base 1. It is understood that when testing the generator 31 under test, the first locking member is used to secure the first mounting base 5 to the base 1. If it is necessary to test a generator 31 under test of a different specification, the first locking member can be removed from the base 1 to move the first mounting base 3. After the first mounting base 3 is moved to the appropriate position, the first locking member is used to secure the first mounting base 3 to the base 1.

[0058] It should be noted that the first locking member can be a bolt, and the first fixing hole 33 is provided with an internal thread that matches the bolt. In addition, the generator under test 31 is generally provided with a threaded hole, and the first mounting base 3 is also provided with a threaded hole, so the generator under test 31 can be fixed to the first mounting base 3 using bolts.

[0059] In one embodiment, see the accompanying drawings Figure 2 The drive mechanism 2 includes a drive motor 21 and a second mounting base 22, and the drive motor 21 is detachably mounted on the second mounting base 22. Correspondingly, the base 1 is also provided with a second locking member and a second guide structure, so that the second mounting base 22 is slidably engaged with the base 1 through the second guide structure, and the second locking member is suitable for fixing the second mounting base 22 on the base 1.

[0060] Specifically, at least one second chute 13 is further provided on the base 1. The second chute 13 extends along the direction of the first mounting seat 3 approaching the drive mechanism 2 to form a second guide structure. Accordingly, a second slider that cooperates with the second chute 13 is also provided on the lower end surface of the second mounting seat 22. The second slider is movably disposed within the second chute 13 to allow the second mounting seat 22 to move relative to the base 1.

[0061] It is understood that the second mounting base 22 can be secured to the base 1 via a second locking member. The user can also remove the second locking member and replace the drive motor 21 with a different specification to change the performance of the drive mechanism 2 and enhance the flexibility of the device. Furthermore, the drive motor 21 can be a brushless motor with a Hall effect sensor, with a maximum speed of 6000 rpm and a maximum continuous torque of 0.5 Nm.

[0062] In one embodiment, this embodiment further describes a device for testing the performance of a generator. A transmission assembly (not marked in the figure) is also provided on the base 1. At this time, the first slider 32 is set as one, and the transmission assembly is used to drive the first mounting seat 3 to move after the first locking member is released from the first mounting seat 3 and the base 1. Among them, the transmission assembly includes a threaded rod and a handwheel, the handwheel is provided at one end of the threaded rod, and the end of the threaded rod away from the handwheel is rotatably provided in the first slide groove 11, and the handwheel is located outside the first slide groove 11. A threaded hole that cooperates with the threaded rod is provided on the first slider 32, so that the first slider 32 can be rotatably sleeved on the outside of the threaded rod through the threaded hole, and the first slider 32 is threadedly connected to the threaded rod. When in use, the user can drive the first mounting seat 3 to move by rotating the handwheel using the principle of screw transmission.

[0063] Preferably, a scale for indicating the moving distance of the first mounting seat 3 is also provided on the base 1. The base 1 is made of aviation aluminum plate, which ensures strength while controlling the overall weight.

[0064] It should be noted that the structure of the transmission assembly is not limited to a threaded rod and a handwheel. In practical applications, other structures may also be used. In addition, the first guide structure and the second guide structure may also be configured as slide rails, etc., which can also achieve the purpose of moving the first mounting seat 3 and the second mounting seat 22. This will not be described in detail here and is within the scope of protection of the present invention.

[0065] In one embodiment, see the accompanying drawings Figure 1 and Figure 2 A start button 17 and a speed regulating button 18 electrically connected to the driving mechanism 2 are also provided on the base 1. The start button 17 is used to control the start of the driving motor 21, and the speed regulating button 18 is used to control the speed of the driving motor 21.

[0066] Furthermore, a first output unit 14 and a second output unit 15 are provided on the lower end surface of the base 1. The first output unit 14 is electrically connected to the drive mechanism 2 and can be coordinated with the computer host software via a data cable to monitor the rotational speed and other performance parameters of the drive motor 21 in real time. The second output unit 15 is electrically connected to the generator 31 under test and has an external interface that can be connected to the energy storage module. The energy storage module is connected to the computer host software via a serial data cable to monitor the generator parameters in real time.

[0067] The first output unit 14 and the driving mechanism 2 are generally electrically connected through a data line, and the second output unit 15 and the generator under test 31 are generally electrically connected through a data line. Preferably, a through hole for the data line to pass through is provided on the base 1, so that the cable connection is simpler and more reliable, ensuring that the test site is neat and beautiful.

[0068] It should be noted that the above embodiments can be freely combined as needed. The above are only preferred implementations of the present application. It should be noted that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present application, and these improvements and modifications should also be considered as the scope of protection of the present application.

Claims

1. A device for testing the performance of a generator, characterized in that: include: a base, wherein a first guide structure is provided on the base; a driving mechanism, wherein the driving mechanism is arranged on the base; a first mounting seat, the first mounting seat being arranged opposite to the driving mechanism and being adapted to be movably arranged on the base via the first guide structure so as to adjust the distance between the first mounting seat and the driving mechanism, the generator under test being detachably mounted on the first mounting seat; a performance detection mechanism, the performance detection mechanism being disposed between the drive mechanism and the first mounting seat, the performance detection mechanism having an input end and an output end, the drive mechanism being in driving connection with the input end, and the generator under test being adapted to be in driving connection with the output end, so that the performance detection mechanism can obtain performance parameters of the generator under test; A first locking member is adapted to fix the first mounting seat on the base.

2. The device for generator performance testing according to claim 1, characterized in that: At least one first sliding groove is provided on the base, and each first sliding groove is extended along the direction of the first mounting seat close to the driving mechanism to form the first guide structure; The lower end surface of the first mounting seat is provided with a first sliding block matched with the first sliding groove. The first sliding block is movably provided in the first sliding groove to drive the first mounting seat to move relative to the base.

3. The device for generator performance testing according to claim 2, characterized in that: The first mounting seat is provided with a plurality of first fixing holes, and the first locking member is suitable for passing through the first fixing holes and the first sliding groove to connect and fix the first mounting seat to the base.

4. The device for generator performance testing according to claim 3, characterized in that: It also includes a transmission assembly disposed on the base, the transmission assembly including a threaded rod and a handwheel disposed at one end of the threaded rod, and the end of the threaded rod away from the handwheel is rotatably disposed in one of the first sliding grooves; The first slider has a threaded hole, and the first slider is rotatably sleeved on the outer side of the threaded rod through the threaded hole and is threadedly connected to the threaded rod.

5. A device for generator performance testing according to any one of claims 1 to 4, characterized in that: It also includes an input end coupling and an output end coupling, wherein the input end coupling is installed on a side of the performance detection mechanism close to the driving mechanism, and the driving mechanism is connected to the input end through the input end coupling; The output end coupling is arranged on a side of the performance detection mechanism close to the first mounting seat, and the generator under test is transmission-connected to the output end via the output end coupling.

6. The device for generator performance testing according to claim 1, characterized in that: The driving mechanism includes a driving motor and a second mounting seat, and the driving motor is detachably arranged on the second mounting seat; The base is also provided with a second locking member and a second guide structure corresponding to the first guide structure. The second mounting seat is suitable for sliding cooperation with the base through the second guide structure, and the second locking member is suitable for fixing the second mounting seat on the base.

7. The device for generator performance testing according to claim 5, characterized in that: The performance detection mechanism includes a torque meter and a fixing seat, wherein the fixing seat is arranged on the base, and the torque meter is arranged on the fixing seat; The input end coupling and the output end coupling are respectively arranged on two opposite sides of the torque meter.

8. The device for generator performance testing according to claim 7, characterized in that: It also includes shock-absorbing pads, which are arranged on the lower end surface of the base and located at the four corners of the base to support the base.

9. The device for generator performance testing according to claim 8, characterized in that: It also includes a first output unit and a second output unit arranged opposite to each other on the lower end surface of the base; The first output unit is electrically connected to the driving mechanism, and the second output unit is electrically connected to the generator under test.

10. A device for generator performance testing according to any one of claims 1 to 4, characterized in that: It also includes a transparent cover, which is detachably arranged on the base and covers the outer sides of the performance detection mechanism, the driving mechanism and the first mounting seat; An operation window is provided on the transparent cover, and the operation window is arranged corresponding to the switch on the performance detection mechanism.