Tool for short circuit experiment
By designing shaft alignment adjustment and bearing alignment mechanisms, the problem of inaccurate alignment between the shafts of the motor and the generator in existing tooling was solved, enabling rapid and stable short-circuit test installation, and adapting to different equipment models.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-18
- Publication Date
- 2026-04-10
AI Technical Summary
The existing short-circuit test fixtures make it difficult to quickly and accurately adjust the shaft alignment between the motor and the generator, resulting in inaccurate installation and affecting the test results.
A tooling system including an axis alignment adjustment mechanism and a bearing alignment mechanism was designed. By using a bidirectional threaded rod and a bolt fastening structure, the bearings of the motor and the generator can be quickly aligned and fixed.
It enables rapid and precise docking of the bearings of the motor and the generator, ensuring equipment stability during the experiment, simplifying the installation process, and adapting to the installation requirements of different models of equipment.
Smart Images
Figure CN224109603U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to tooling technical field, concretely is a short circuit experiment's tooling. BACKGROUND
[0002] The sudden short circuit test is the special test project of three-phase permanent magnet generator, and the purpose is to check the symmetry of three-phase current, ensure that three-phase current is balanced when the generator is short-circuited, and there is no abnormal fluctuation; determine the state of rotor winding, detect whether there is turn-to-turn short circuit problem in the rotor coil in combination with the no-load characteristic; verify the stability of the generator and its protection system, and ensure that the equipment can work normally under the condition of short circuit. In the process of short circuit experiment, tooling is needed to fix the device required for short circuit experiment.
[0003] In the prior art, the three-phase output electricity of the generator is usually connected by using a contactor. When the short circuit experiment is carried out, the contactor is attracted, and the light recording wave meter is connected to the output circuit to measure the short circuit current waveform. However, in actual use, before the experiment, the bearing of the supporting motor needs to be butt-jointed and installed with the bearing of the generator, so that the bearings of the two are kept on the same axis. However, the sizes of the supporting motor and the generator are different, and the axis heights are also different. When the supporting motor and the generator are installed by using the existing tooling, a pad needs to be arranged at the bottom of the supporting motor. Even if the pad is arranged, it is difficult to quickly calibrate the butt-joint axis of the two, and therefore a short circuit experiment tooling needs to be improved to solve the above problems. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a short circuit experiment tooling to solve the problems in the background art.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a short circuit experiment tooling, comprising installation base and installation shell two, the top of installation base is provided with axis butt-joint adjusting mechanism and installation shell one, the inside of installation shell one and installation shell two is provided with bearing butt-joint mechanism.
[0006] Preferably, the axis butt-joint adjusting mechanism comprises a guide fixed groove, the guide fixed groove is opened in the inside of the installation base, a sliding connection plate is slidingly installed in the inside of the installation base, a bolt is arranged in the inside of the sliding connection plate, a fastening nut is threadedly installed on the outside of the bolt, a gasket is arranged on the outside of the bolt, a fixed shell is fixedly installed on the top of the sliding connection plate, a bidirectional threaded rod is rotatably installed in the inside of the fixed shell, a moving plate is threadedly installed on the outside of the bidirectional threaded rod, a support arm is rotatably installed on the top of the moving plate, a limiting strip is slidingly installed in the inside of the moving plate, and an installation plate is rotatably installed on the end away from the moving plate of the support arm. The axis position of the butt-joint plug-in block and the butt-joint groove block is adjusted.
[0007] Preferably, the limiting strips are provided with two, and the bottom of the two limiting strips is fixedly installed with the inner side of the bottom of the fixed shell, facilitating the normal sliding of the moving plate.
[0008] Preferably, the sliding connecting plate is provided with a hole at the corresponding position of the bolt, and the bolt is slidingly installed in the hole in the sliding connecting plate, facilitating the fixation of the sliding connecting plate by the bolt.
[0009] Preferably, the fixed shell is provided with a hole at the corresponding position of the bidirectional threaded rod, and the bidirectional threaded rod is rotatably installed in the hole in the fixed shell, facilitating the normal rotation of the bidirectional threaded rod.
[0010] Preferably, the bearing docking mechanism comprises a supporting motor body, which is fixedly installed in the inside of the mounting shell two, and the inside of the mounting shell one is fixedly installed with a generator body, the right side of the supporting motor body is fixedly installed with a docking plug block, and the left side of the generator body is fixedly installed with a docking groove block, facilitating the docking of the docking plug block and the docking groove block through the bearing docking mechanism.
[0011] Preferably, the docking groove block and the docking plug block are provided with a cross slot at the corresponding position, and the docking plug block is slidingly installed in the cross slot in the docking groove block, facilitating the clamping of the docking plug block into the inside of the docking groove block.
[0012] Compared with the prior art, the utility model provides a short -circuit experiment's tooling has the following beneficial effects:
[0013] 1. The short -circuit experiment's tooling, through the setting axial docking adjustment mechanism, in the use process, utilize the transmission of bidirectional threaded rod, can make moving plate push support arm, in turn through support arm support supporting motor body, change the height of supporting motor body, in turn can make supporting motor body and the bearing of generator body keep in a straight line, avoid the inaccuracy of the pad block heightening, can quickly adjust the height of supporting motor body, in turn realize quick adjustment alignment axis, simultaneously utilize the axial docking adjustment mechanism of sliding in the inside of guide fixed slot, can adjust the front and back position of supporting motor body, make supporting motor body and the bearing of generator body alignment, utilize the fastening mode of bolt, also can dismantle axial docking adjustment mechanism, replace the use of different models of axial docking adjustment mechanism.
[0014] 2. The short -circuit experiment's tooling, through the setting bearing docking mechanism, in the use process, through make docking plug block and docking groove block docking, can make the bearing of supporting motor body and the bearing of generator body docking, in turn drive generator body to carry out sudden short -circuit test, realized the function of the docking installation of supporting motor body and generator body. Attached Figure Description
[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0016] Figure 1 This is a schematic diagram of the appearance and structure of this utility model;
[0017] Figure 2 This is an exploded view of the external structure of the axis docking adjustment mechanism of this utility model;
[0018] Figure 3 This is a schematic diagram of the fixing shell and its connection structure of the present invention;
[0019] Figure 4 This is an exploded view of the bearing docking mechanism of this utility model.
[0020] Figure 5 This is a schematic diagram of the short-circuit test circuit connection of this utility model.
[0021] In the diagram: 1. Mounting base; 2. Axis docking adjustment mechanism; 21. Guide fixing groove; 22. Sliding connecting plate; 23. Bolt; 24. Fastening nut; 25. Washer; 26. Fixed shell; 27. Two-way threaded rod; 28. Moving plate; 29. Support arm; 210. Limiting strip; 211. Mounting plate; 3. Bearing docking mechanism; 31. Supporting motor body; 32. Generator body; 33. Docking block; 34. Docking groove block; 4. Mounting shell one; 5. Mounting shell two. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0023] In the utility model, unless another definite provision and limitation, the terms "mount", "link", "connect", "fix" and so on terms should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can through intermediate medium indirectly connect, can be two element internal communication or two element's interaction relationship.For ordinary skilled person in the art, the above terms can be understood according to the specific meaning in the utility model.
[0024] Embodiment one:
[0025] Please refer to Figures 1-3 The utility model provides a technical scheme: a short circuit experiment's frock, including installation base 1 and installation shell two 5, the top of installation base 1 is provided with axial butt joint adjusting mechanism 2 and installation shell one 4, the inside of installation shell one 4 and installation shell two 5 all is provided with bearing butt joint mechanism 3.
[0026] Further, the axial butt joint adjusting mechanism 2 includes a guide fixed groove 21, which is formed in the inside of the installation base 1, and a sliding connection plate 22 is slidably installed in the inside of the installation base 1, a bolt 23 is arranged in the inside of the sliding connection plate 22, a fastening nut 24 is threadedly installed on the outside of the bolt 23, a gasket 25 is arranged on the outside of the bolt 23, a fixed shell 26 is fixedly installed on the top of the sliding connection plate 22, a bidirectional threaded rod 27 is rotatably installed in the inside of the fixed shell 26, a moving plate 28 is threadedly installed on the outside of the bidirectional threaded rod 27, a support arm 29 is rotatably installed on the top of the moving plate 28, a limiting strip 210 is slidably installed in the inside of the moving plate 28, and an installation plate 211 is rotatably installed on the end of the support arm 29 away from the moving plate 28, so as to conveniently adjust the axial position of the butt joint plug block 33 and the butt joint groove block 34.
[0027] Further, the limiting strip 210 is provided with two, and the bottom of the two limiting strips 210 is fixedly installed with the inside of the bottom of the fixed shell 26, so as to conveniently make the moving plate 28 normally slide.
[0028] Further, holes are formed in the corresponding positions of the sliding connection plate 22 and the bolt 23, and the bolt 23 is slidably installed in the holes formed in the inside of the sliding connection plate 22, so as to conveniently fix the sliding connection plate 22 by the bolt 23.
[0029] Further, holes are formed in the corresponding positions of the fixed shell 26 and the bidirectional threaded rod 27, and the bidirectional threaded rod 27 is rotatably installed in the holes formed in the inside of the fixed shell 26, so as to conveniently make the bidirectional threaded rod 27 normally rotate.
[0030] Embodiment two:
[0031] Please refer to Figures 4-5And combined with example one, further get, bearing docking mechanism 3 includes supporting motor body 31, supporting motor body 31 fixedly installed in the inside of installation shell two 5, the inside of installation shell one 4 is fixedly installed with generator body 32, the right side of supporting motor body 31 is fixedly installed with docking plug block 33, the left side of generator body 32 is fixedly installed with docking slot block 34, it is convenient to carry out the docking of docking plug block 33 and docking slot block 34 through bearing docking mechanism 3.
[0032] Further, the corresponding position of docking slot block 34 and docking plug block 33 is provided with cross slot, and docking plug block 33 is slidingly installed in the inside of cross slot in the inside of docking slot block 34, so as to make docking plug block 33 be inserted into the inside of docking slot block 34.
[0033] In actual operation process, when the device is used, first, the installation of installation shell one 4 is carried out through the hole in the inside of installation base 1, the generator body 32 can be fixed, at this time, sliding connection plate 22 is slid, sliding connection plate 22 enters the inside of installation base 1, after the position of sliding connection plate 22 is roughly corresponding to the position of generator body 32, at this time, bolt 23 is inserted into the inside of sliding connection plate 22, and washer 25 is sleeved on the outside of bolt 23, and fastening nut 24 is screwed, but fastening nut 24 is not tightened, at this time, installation shell two 5 is placed on the top of mounting plate 211, rotating bidirectional threaded rod 27 makes moving plate 28 move under the limitation of limiting strip 210, at this time, supporting arm 29 drives mounting plate 211 to rise, until the bearings of supporting motor body 31 and generator body 32 keep on a same axis, at this time, installation shell one 4 is pushed, and docking plug block 33 is inserted into the inside of docking slot block 34, after insertion, sliding connection plate 22 is moved again, so that installation shell two 5 can correspond to the installation hole in the inside of mounting plate 211, at this time, installation shell one 4 can be fixed, the fixing of supporting motor body 31 is completed, after fixing, fastening nut 24 is tightened, so that sliding connection plate 22 is fixed, the experiment is started, when sudden short circuit experiment is carried out, S1 button is pressed, KM1 contactor is attracted, and the generator enters short circuit state, and light recording wave meter measures short circuit current.
[0034] It is to be noted that, as used in this specification and the appended claims, the singular forms "a," "an," and "the" include plural referents unless the context clearly dictates otherwise. Thus, for example, reference to "a component" can include a combination of two or more components. Additionally, the terms "comprise," "comprises," and "comprising," or any variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements is not necessarily limited to those elements, but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Furthermore, unless otherwise indicated herein, the terms "first," "second," "third," etc., are not intended to denote a physical order, quantity, or importance, but rather are used for the purpose of nomenclature.
Claims
1. A short circuit experiment tooling, comprising a mounting base (1) and a mounting shell (5), characterized in that: The top of the mounting base (1) is provided with an axis butt joint adjusting mechanism (2) and a mounting shell one (4), the interiors of the mounting shell one (4) and the mounting shell two (5) are provided with bearing butt joint mechanisms (3).
2. The short-circuit test tooling of claim 1, wherein: The axis butt joint adjusting mechanism (2) comprises a guide fixed groove (21) which is arranged in the interior of the mounting base (1), a sliding connection plate (22) is slidingly arranged in the interior of the mounting base (1), a bolt (23) is arranged in the interior of the sliding connection plate (22), a fastening nut (24) is threadedly arranged on the exterior of the bolt (23), a gasket (25) is arranged on the exterior of the bolt (23), a fixed shell (26) is fixedly arranged on the top of the sliding connection plate (22), a bidirectional threaded rod (27) is rotatably arranged in the interior of the fixed shell (26), a moving plate (28) is threadedly arranged on the exterior of the bidirectional threaded rod (27), a support arm (29) is rotatably arranged on the top of the moving plate (28), and a limiting strip (210) is slidingly arranged in the interior of the moving plate (28).
3. The shorting experiment fixture of claim 2, wherein: The limiting strip (210) is arranged in two, and the bottoms of the two limiting strips (210) are fixedly arranged on the inner side of the bottom of the fixed shell (26).
4. The shorting experiment fixture of claim 2, wherein: The sliding connection plate (22) and the bolt (23) are arranged with holes at corresponding positions, and the bolt (23) is slidingly arranged in the hole arranged in the interior of the sliding connection plate (22).
5. The shorting experiment fixture of claim 2, wherein: The fixed shell (26) and the bidirectional threaded rod (27) are arranged with holes at corresponding positions, and the bidirectional threaded rod (27) is rotatably arranged in the hole arranged in the interior of the fixed shell (26).
6. The shorting experiment fixture of claim 1, wherein: The bearing butt joint mechanism (3) comprises a supporting motor body (31) which is fixedly arranged in the interior of the mounting shell two (5), a generator body (32) is fixedly arranged in the interior of the mounting shell one (4), a butt joint plug block (33) is fixedly arranged on the right side of the supporting motor body (31), and a butt joint groove block (34) is fixedly arranged on the left side of the generator body (32).
7. The shorting experiment fixture of claim 6, wherein: The butt joint groove block (34) and the butt joint plug block (33) are arranged with cross grooves at corresponding positions, and the butt joint plug block (33) is slidingly arranged in the cross groove arranged in the interior of the butt joint groove block (34).