CN213069102U - Performance testing device for underground generator - Google Patents
Performance testing device for underground generator Download PDFInfo
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- CN213069102U CN213069102U CN202021755416.1U CN202021755416U CN213069102U CN 213069102 U CN213069102 U CN 213069102U CN 202021755416 U CN202021755416 U CN 202021755416U CN 213069102 U CN213069102 U CN 213069102U
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- magnet
- installation sleeve
- dustcoat
- drive mechanism
- generator
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Abstract
The utility model relates to a generator capability test device in pit has base, installation sleeve, and installation sleeve front end inner chamber rotates and is equipped with magnetic coupling drive mechanism, magnetic coupling drive mechanism include magnet dustcoat, magnet carrier and four at least magnets, magnet dustcoat rear end is rotated with installation sleeve front end inner chamber and is connected, the magnet inlays according to two adjacent opposite mode circumference equallys and establishes at the magnet carrier outer peripheral face, magnet carrier interference is installed in the magnet dustcoat, the magnetic pole piece that generator test piece front end has with the magnet position corresponds, is fixed with the three-phase asynchronous machine who is connected through the transmission of V belt drive mechanism with magnet dustcoat front end on the installation sleeve. The utility model discloses rotate the magnetic coupling drive mechanism and install inside the installation sleeve, adopt V to take drive mechanism drive magnetic coupling drive mechanism to rotate, overall structure is compact, and the transmission vibration is little, operate steadily, efficient to generator capability test precision has been ensured.
Description
Technical Field
The utility model belongs to the technical field of drilling instrument equipment technique and specifically relates to a generator capability test device in pit.
Background
With the technical innovation of drilling instruments and equipment, the underground turbine generator becomes an indispensable key part of wireless drilling equipment, and has good market prospect. The performance testing device of the underground turbine generator is key equipment for testing the performance of the underground turbine generator before the underground turbine generator goes into the well, and the requirement for simulating the measurement condition of 1500 r/min-4500/min rotation of the underground turbine generator needs to be met.
At present, the existing performance testing device for the underground generator generally adopts a coupling for transmission, and a motor directly drives the generator to rotate, so that the problem of signal interference during testing exists; the performance testing device which only adopts V-belt transmission has the defects of unstable V-belt transmission, inconvenience in V-belt replacement and complex structure.
Disclosure of Invention
The to-be-solved technical problem of the utility model is: in order to overcome the deficiencies in the prior art, the utility model provides a simple structure, good reliability and stable generator capability test device in pit of transmission.
The utility model provides a technical scheme that its technical problem adopted is: a performance testing device for an underground generator is provided with a base, a mounting sleeve is fixed on the base, a generator testing piece to be tested extends into the mounting sleeve from the rear end of the mounting sleeve and is locked, the inner cavity at the front end of the mounting sleeve is rotationally provided with a magnetic coupling transmission mechanism, the magnetic coupling transmission mechanism comprises a magnet outer cover, a magnet carrier and at least four magnets, the rear end of the magnet outer cover extends into the inner cavity at the front end of the mounting sleeve to be rotationally connected with the inner wall of the mounting sleeve, the magnet is circumferentially and equally embedded on the outer peripheral surface of the magnet carrier in a mode of two adjacent opposite polarities, the magnet carrier with the magnet installed is installed in the magnet outer cover in an interference mode, the magnetic pole piece arranged at the front end of the generator test piece corresponds to the position of the magnet, a three-phase asynchronous motor is fixed on the installation sleeve, and the three-phase asynchronous motor is in transmission connection with the front end of the magnet outer cover through a V-belt transmission mechanism.
Specifically speaking, the magnet carrier on have the mounting groove, the magnet inlays in the mounting groove and the point is glued fixedly, the bearing is installed to magnet dustcoat rear end interval, bearing inner race and installation sleeve hole interference fit, be located be equipped with the spacer between the bearing, inlay the retaining ring for the shaft that is equipped with spacing inboard bearing inner circle on the magnet dustcoat.
The V-belt transmission mechanism comprises a driving wheel, a driven wheel and a V belt, the driving wheel is installed on an output shaft of the three-phase asynchronous motor, the driven wheel is installed on the magnet outer cover, and the driving wheel and the driven wheel are in transmission connection through the V belt.
In order to facilitate the adjustment of the installation position of the three-phase asynchronous motor, a motor fixing plate is fixed on the installation sleeve, and the three-phase asynchronous motor is installed on the motor fixing plate.
The bottom surface of the base is fixedly connected with four supporting legs which are arranged in a rectangular shape, so that the testing device is placed on the fixed working table surface, and the adjusting device is convenient to be in a horizontal state.
The utility model has the advantages that: the utility model discloses rotate the magnetic coupling drive mechanism and install inside the installation sleeve, adopt V to take drive mechanism drive magnetic coupling drive mechanism to rotate, overall structure is compact, can drive the rotation of the inside rotor shaft of generator test piece effectively, and the transmission vibration is little, operate steadily, efficient to generator performance test precision has been ensured.
Drawings
The present invention will be further described with reference to the accompanying drawings and embodiments.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the magnetic coupling transmission mechanism of the present invention.
In the figure: 1. the device comprises a base, 2, a mounting sleeve, 3, a generator testing piece, 4, a magnet outer cover, 5, a magnet carrier, 6, a magnet, 7, a magnetic pole piece, 8, a three-phase asynchronous motor, 9, a bearing, 10, a spacer bush, 11, a shaft retainer ring, 12, a driving wheel, 13, a driven wheel, 14, a V belt, 15, a motor fixing plate and 16 supporting legs.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
The performance testing device for the underground generator shown in fig. 1 comprises a base 1, wherein a mounting sleeve 2 is fixed on the base 1 through a screw, a generator testing piece 3 to be tested extends into the mounting sleeve 2 from the rear end of the mounting sleeve 2, two side surfaces of the mounting sleeve 2 are provided with small-angle long oblique openings, and the generator testing piece 3 is locked and fixed through a tail end screw; the bottom surface of the base 1 is fixedly connected with four supporting legs 16 which are arranged in a rectangular shape, so that the testing device is integrally placed on a fixed working table after being adjusted to be horizontal.
A motor fixing plate 15 is fixed on the mounting sleeve 2, a three-phase asynchronous motor 8 is mounted on the motor fixing plate 15, and a mounting hole of the three-phase asynchronous motor 8 is matched with a U-shaped groove in the motor fixing plate 15 and is pre-tightened by a bolt and a nut.
It is equipped with magnetic coupling drive mechanism to be located 2 front end inner chambers of installing sleeve to rotate, as shown in fig. 2, magnetic coupling drive mechanism include magnet dustcoat 4, magnet carrier 5 and four magnet 6 of circumference equipartition, 5 outer peripheral faces of magnet carrier have the mounting groove of four circumference equipartitions, will according to the opposite mode of adjacent two magnet 6 polarity the magnet correspondence is inlayed and is established in the mounting groove and the point is glued fixedly, installs 5 interference of magnet carrier of magnet 6 in magnet dustcoat 4, and 3 front end of generator test piece stretch out outside installing sleeve 2, the pole piece 7 that 3 inside rotor shaft tip of generator test piece had with 6 positions of magnet correspond.
The rear end of the magnet outer cover 4 extends into the inner cavity at the front end of the mounting sleeve 2 and is rotatably connected with the inner wall of the mounting sleeve 2; specifically speaking, be located magnet dustcoat 4 rear end interval and install bearing 9, be located be equipped with spacer 10 between the bearing 9, bearing 9 outer lane and the interference fit of installation sleeve 2 front end hole, inlay the retaining ring 11 for the shaft that is equipped with spacing inboard bearing 9 inner circle on the magnet dustcoat 4.
The three-phase asynchronous motor 8 is in transmission connection with the front end of the magnet housing 4 through a V-belt transmission mechanism, the V-belt transmission mechanism comprises a driving wheel 12, a driven wheel 13 and a V belt 14, the driving wheel 12 is installed on an output shaft of the three-phase asynchronous motor 8, the driven wheel 13 is installed on the magnet housing 4, and the driving wheel 12 and the driven wheel 13 are in transmission connection through the V belt 14.
During testing, the testing device is arranged on a fixed working table, the generator testing piece 3 is arranged in the mounting sleeve 2, and the generator testing piece 3 is locked and fixed by a screw; the three-phase asynchronous motor 8 is started, the magnetic coupling transmission mechanism is driven to rotate through the V-belt transmission mechanism, the magnet 6 inside the magnetic coupling transmission mechanism is matched with the magnetic pole piece 7 of the generator testing piece 3 to form magnetic coupling transmission, so that the rotor shaft inside the generator testing piece 3 is driven to rotate, and the output three-phase alternating current is measured through an instrument.
The utility model discloses rotate the magnetic coupling drive mechanism and install inside installation sleeve 2, adopt V to take drive mechanism drive magnetic coupling drive mechanism to rotate, overall structure is compact, can drive the rotation of 3 inside rotor shafts of generator test piece effectively, and the transmission vibration is little, operate steadily, efficient to generator performance test precision has been ensured.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (5)
1. The utility model provides a generator capability test device in pit, has base (1), is fixed with installation sleeve (2) on base (1), and generator test piece (3) that await measuring are stretched into in installation sleeve (2) from installation sleeve (2) rear end and are locked characterized by: the installation sleeve (2) front end inner chamber rotate and be equipped with magnetic coupling drive mechanism, magnetic coupling drive mechanism include magnet dustcoat (4), magnet carrier (5) and four at least magnets (6), magnet dustcoat (4) rear end stretch into installation sleeve (2) front end inner chamber and installation sleeve (2) inner wall and rotate and be connected, magnet (6) are according to adjacent two opposite polarity's mode circumference partition inlays and establishes in magnet carrier (5) outer peripheral face, and magnet carrier (5) interference mounting of having installed magnet (6) is in magnet dustcoat (4), magnetic pole piece (7) that generator test piece (3) front end has with magnet (6) position corresponds, is fixed with three-phase asynchronous machine (8) on installation sleeve (2), and three-phase asynchronous machine (8) are connected through the transmission of V area drive mechanism with magnet dustcoat (4) front end.
2. The downhole generator performance testing apparatus of claim 1, further comprising: magnet carrier (5) on have the mounting groove, magnet (6) inlay in the mounting groove and the point is glued fixedly, bearing (9) are installed to magnet dustcoat (4) rear end interval, bearing (9) outer lane and installation sleeve (2) hole interference fit, be located be equipped with spacer (10) between bearing (9), inlay retaining ring (11) for the shaft that is equipped with spacing inboard bearing (9) inner circle on magnet dustcoat (4).
3. The downhole generator performance testing apparatus of claim 1, further comprising: the V-belt transmission mechanism comprises a driving wheel (12), a driven wheel (13) and a V belt (14), wherein the driving wheel (12) is installed on an output shaft of the three-phase asynchronous motor (8), the driven wheel (13) is installed on the magnet outer cover (4), and the driving wheel (12) and the driven wheel (13) are in transmission connection through the V belt (14).
4. The downhole generator performance testing apparatus of claim 1, further comprising: the mounting sleeve (2) is fixed with a motor fixing plate (15), and the three-phase asynchronous motor (8) is mounted on the motor fixing plate (15).
5. The downhole generator performance testing apparatus of claim 1, further comprising: the bottom surface of the base (1) is fixedly connected with four supporting legs (16) which are arranged in a rectangular shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021755416.1U CN213069102U (en) | 2020-08-20 | 2020-08-20 | Performance testing device for underground generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021755416.1U CN213069102U (en) | 2020-08-20 | 2020-08-20 | Performance testing device for underground generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213069102U true CN213069102U (en) | 2021-04-27 |
Family
ID=75552699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021755416.1U Active CN213069102U (en) | 2020-08-20 | 2020-08-20 | Performance testing device for underground generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213069102U (en) |
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2020
- 2020-08-20 CN CN202021755416.1U patent/CN213069102U/en active Active
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