Novel hydroelectric generating set air gap measurement integrated device

Abstract

The utility model discloses a novel hydroelectric generating set air gap measurement integrated device which structurally comprises an integrated device base, an integrated device upper cover and structural members installed in the integrated device base and the integrated device upper cover, and then during measurement, a magnet capable of being opened and closed on the integrated device base is attracted to the upper edge of a generator stator, and then the integrated device upper cover is opened; the vertical telescopic arm is rotated out of the telescopic arm through the rotating clamping resistor, the length of the telescopic arm is adjusted by adjusting the telescopic arm knob, and the sensor flitch is tightly attached to the inner edge of the stator so that measurement can be started. Therefore, the device has the effects of simple installation, convenient operation, compact structure, high measurement precision, self-power supply and the like, and can solve the problems of tedious air gap measurement process, low precision and the like of the water-turbine generator set.

Description

Technical Field

[0001] The utility model relates to the technical field of generator air gap measurement, in particular to a novel integrated device for measuring air gap of a hydropower unit. Background Art

[0002] Generator air gap measurement is one of the key processes in unit installation and maintenance. At present, the wooden wedge method is mainly used to measure the air gap of hydro turbine generators in hydropower stations. Due to the large number of magnetic poles of hydro turbine generators, this method is not only cumbersome and low in accuracy, but also prone to errors when workers record data, often resulting in multiple rework of stator and rotor installation, increasing maintenance and installation time, consuming time and effort, and to a certain extent reducing the power generation efficiency of the power station.

[0003] To this end, the present invention proposes a novel integrated device for measuring the air gap of a hydropower unit. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In order to overcome the shortcomings of the existing technology, a new integrated device for measuring the air gap of a hydropower unit is proposed to solve the problems of cumbersome and low-precision air gap measurement of a hydro-generator, thereby improving the installation accuracy of the hydro-generator.

[0006] (II) Technical solution

[0007] The utility model is realized by the following technical scheme: The utility model proposes a novel integrated device for measuring the air gap of a hydropower unit, including

[0008] An integrated device base, wherein a switchable magnet is fixedly disposed at the front end of the integrated device base, and a magnet switch button is disposed on the upper end surface of the switchable magnet, a rechargeable battery is disposed at the front end of the integrated device base, and a battery charging plug and a battery switch are disposed at the upper end of the rechargeable battery, and a wireless communication module is disposed at the front end of the integrated device base;

[0009] The upper cover of the integrated device, the top of the upper cover of the integrated device is connected to the front end of the base of the integrated device through the hinge of the integrated device, a horizontal tooth groove is arranged in the upper cover of the integrated device, and side sliding grooves penetrating therefrom are arranged on both sides of the horizontal tooth groove, a telescopic arm in close contact with the horizontal tooth groove is arranged in the horizontal tooth groove, the bottom end of the telescopic arm is connected to a telescopic arm rotating shaft, and the telescopic arm rotating shaft is rotationally connected to the horizontal tooth groove, the telescopic arm rotating shaft is connected to the vertical telescopic arm, the side end of the vertical telescopic arm is connected to a sensor plate, and a sensor is arranged on the upper end of the sensor plate.

[0010] Furthermore, a rotation groove is provided at the rear end of the integrated device base, and corresponding vertical thread grooves are provided at the lower end of the rotation groove and the top end of the integrated device upper cover, and a support knob is connected inside the vertical thread groove.

[0011] Furthermore, a rotating shaft screw groove is provided on the other side of the rotating shaft of the telescopic arm, and a telescopic arm knob is provided on the outer side of the upper cover of the integrated device, which passes through the side sliding groove and is connected to the rotating shaft screw groove.

[0012] Furthermore, a signal line groove is provided at the lower end of the base of the integrated device.

[0013] Furthermore, a rotation block is connected to the inner side of the lower end surface of the vertical telescopic arm, and the side surface of the rotation block is in contact with the outer side of the upper cover of the integrated device.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] In the utility model, an integrated device base and an integrated device upper cover are arranged, and a switchable magnet, a rechargeable battery, a wireless module, a signal line slot, a support knob, a telescopic arm, a telescopic arm knob, a telescopic arm shaft, a rotation block, a vertical telescopic arm, a sensor plate and a sensor are arranged therein, and combined with the actual requirements of motor air gap measurement, the effects of simple installation, convenient operation, compact structure, self-power supply, wireless signal transmission, and high adjustment accuracy are achieved, and the problems of complicated air gap measurement process and low accuracy of the hydro-turbine generator set are solved, thereby effectively improving the maintenance and installation efficiency of the generator set. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0018] Figure 1 It is a structural schematic diagram of the utility model;

[0019] Figure 2 It is a schematic diagram of the internal structure of the utility model from the side;

[0020] Figure 3 This is a partial enlarged structural diagram of the utility model at A;

[0021] In the figure: integrated device base-1, switchable magnet-2, magnet switch button-3, rechargeable battery-4, battery charging plug-5, battery switch-6, wireless communication module-7, signal line slot-8, integrated device hinge-9, support knob-10, integrated device cover-11, telescopic arm-12, horizontal tooth groove-13, telescopic arm knob-14, telescopic arm rotation axis-15, rotation block-16, vertical telescopic arm-17, sensor plate-18, sensor-19, side slide groove-110, rotation axis screw groove-111, rotation groove-112, vertical screw groove-113. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0023] See also Figure 1 , Figure 2 and Figure 3The utility model provides a novel integrated device for measuring the air gap of a hydropower unit, comprising an integrated device base 1 and an integrated device upper cover 11. A switchable magnet 2 is fixedly arranged at the front end of the integrated device base 1, and the switchable magnet 2 can adsorb the upper edge of the generator stator so that its side is fitted with the generator stator, so that the measurement effect is better, and a magnet switch button 3 is arranged on the upper end surface of the switchable magnet 2, so that the switchable magnet 2 can be controlled so that its adsorption effect can be stopped at any time, so that it is convenient to pull it out. A rechargeable battery 4 is arranged at the front end of the integrated device base 1, and a battery charging plug 5 and a battery switch 6 are arranged at the upper end of the rechargeable battery 4, so that the charging and use of the rechargeable battery 4 can be realized, and the charging effect of the internal electrical components in the device is convenient, so that the internal The electrical components can be used, a wireless communication module 7 is provided at the front end of the integrated device base 1, so that the signal line is transmitted to the wireless communication module 7 to directly send information to the signal receiving end, a signal line slot 8 is provided at the lower end of the integrated device base 1, so that the signal line slot 8 is used to fix the sensor 19 and the wireless communication module 7, the signal line and the power supply line between the battery switch 6, the top of the integrated device cover 11 is connected to the front end of the integrated device base 1 through the integrated device hinge 9, and the integrated device hinge 9 is convenient for the integrated device cover 11 and the integrated device base 1 to flip 90 degrees, and the rear end of the integrated device base 1 is provided with a rotation slot 112 to facilitate the rotation of the support knob 10, and the lower end of the rotation slot 112 and the top of the integrated device cover 11 are provided with corresponding vertical The thread groove 113 is provided, and the support knob 10 is connected inside the vertical thread groove 113. The support knob 10 is inserted into the upper cover 11 of the integrated device by moving the support knob 10 up and down in the vertical thread groove 113 to fix it and prevent the upper cover 11 of the integrated device from turning over. The upper cover 11 of the integrated device is provided with a horizontal tooth groove 13, and the two sides of the horizontal tooth groove 13 are provided with a penetrating side slide groove 110. The horizontal tooth groove 13 is provided with a telescopic arm 12 in close contact with it, which is convenient for the telescopic movement of the telescopic arm 12, and the side slide groove 110 facilitates the movement and fixation of the telescopic arm knob 14. The bottom end of the telescopic arm 12 is connected with a telescopic arm rotating shaft 15, and the telescopic arm rotating shaft 15 is rotatably connected to the horizontal tooth groove 13, so that the telescopic arm rotating shaft 15 can be moved in water. The flat tooth groove 13 moves up and down, and can also be rotated, so that the vertical telescopic arm 17 is flipped to 90 degrees. The telescopic arm rotation shaft 15 is connected to the vertical telescopic arm 17. The length of both ends can be increased through the vertical telescopic arm 17 to facilitate fitting. A rotation shaft screw groove 111 is provided on the other side of the telescopic arm rotation shaft 15. A telescopic arm knob 14 is provided on the outer side of the integrated device upper cover 11, which penetrates the side slide groove 110 and is connected to the rotation shaft screw groove 111. The telescopic arm knob 14 is fixed to the rotation shaft screw groove 111 through rotation. A gasket is provided on the inner end surface of the telescopic arm knob 14, so that a fixing force is generated between the telescopic arm knob 14 and the integrated device upper cover 11, and the outer side of the telescopic arm knob 14 is larger than the side slide groove 110, and the telescopic arm knob 14 is flipped together.This can avoid the situation where the telescopic arm rotation shaft 15 drives the vertical telescopic arm 17 to flip. The side end of the vertical telescopic arm 17 is connected to a sensor plate 18, and a sensor 19 is set on the upper end of the sensor plate 18. The air gap data is read by the sensor 19 and transmitted to the wireless communication module 7 through the signal line to directly send information to the signal receiving end, thereby realizing self-power supply and wireless signal transmission.

[0024] Among them, a rotating stopper 16 is connected to the inner side of the lower end surface of the vertical telescopic arm 17, and the side surface of the rotating stopper 16 is in contact with the outer side of the integrated device upper cover 11, so that one end of the vertical telescopic arm 17 is blocked by the rotating stopper 16 to prevent it from flipping over. When the vertical telescopic arm 17 flips over, the rotating stopper 16 and the integrated device upper cover 11 first contact to form resistance, so as to avoid the situation where the vertical telescopic arm 17 has a poor effect when in use.

[0025] Working principle: When in use, first connect the switchable magnet 2, the magnet switch button 3, the battery switch 6 and the sensor 19 to the rechargeable battery 4, and then when measuring, turn on the magnet switch button 3, the integrated device base 1 can be fixedly adsorbed on the upper edge of the generator stator, and then pull the integrated device cover 11 outward to make the integrated device cover 11 90°, and then rotate the support knob 10 into the vertical thread groove 113 for fixation, and then flip the vertical telescopic arm 17 to form a vertical relationship with the integrated device cover 11, and then stretch the vertical telescopic arm 17 to make the sensor The plate 18 is inserted into the air gap of the generator, and the sensor plate 18 is attached to the inner edge of the stator to start the measurement. During the measurement, the sensor 19 reads the air gap data and transmits it to the wireless communication module 7 through the signal line to directly send information to the signal receiving end, thereby realizing self-power supply and wireless signal transmission. The telescopic arm knob 14 can be rotated to insert it into the rotating shaft groove 111 to fix the vertical telescopic arm 17, making the measurement more stable. When making adjustments, you only need to loosen it to move the position of the vertical telescopic arm 17 for measurement to complete the work.

[0026] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A new integrated device for measuring air gap of hydropower units, characterized in that: include An integrated device base (1), wherein a switchable magnet (2) is fixedly provided at the front end of the integrated device base (1), and a magnet switch button (3) is provided on the upper end surface of the switchable magnet (2); a rechargeable battery (4) is provided at the front end of the integrated device base (1), and a battery charging plug (5) and a battery switch (6) are provided at the upper end of the rechargeable battery (4); and a wireless communication module (7) is provided at the front end of the integrated device base (1); An integrated device upper cover (11), wherein the top of the integrated device upper cover (11) is connected to the front end of the integrated device base (1) through an integrated device hinge (9), a horizontal tooth groove (13) is provided in the integrated device upper cover (11), and side sliding grooves (110) are provided on both sides of the horizontal tooth groove (13), a telescopic arm (12) is provided in the horizontal tooth groove (13) and is in close contact with the horizontal tooth groove, a telescopic arm rotating shaft (15) is connected to the bottom end of the telescopic arm (12), and the telescopic arm rotating shaft (15) is rotatably connected to the horizontal tooth groove (13), the telescopic arm rotating shaft (15) is connected to the vertical telescopic arm (17), a sensor plate (18) is connected to the side end of the vertical telescopic arm (17), and a sensor (19) is provided on the upper end of the sensor plate (18).

2. A novel integrated device for measuring air gap of a hydropower unit according to claim 1, characterized in that: The rear end of the integrated device base (1) is provided with a rotation groove (112), the lower end of the rotation groove (112) and the top end of the integrated device upper cover (11) are provided with corresponding vertical thread grooves (113), and the vertical thread groove (113) is internally connected to a support knob (10).

3. A novel integrated device for measuring air gap of a hydropower unit according to claim 1, characterized in that: A rotating shaft screw groove (111) is provided on the other side of the telescopic arm rotating shaft (15), and a telescopic arm knob (14) is provided on the outside of the integrated device upper cover (11) and passes through the side sliding groove (110) and is connected to the rotating shaft screw groove (111).

4. A novel integrated device for measuring air gap of a hydropower unit according to claim 1, characterized in that: A signal wire slot (8) is provided at the lower end of the integrated device base (1).

5. A novel integrated device for measuring air gap of a hydropower unit according to claim 1, characterized in that: The inner side of the lower end surface of the vertical telescopic arm (17) is connected to a rotation block (16), and the side surface of the rotation block (16) is in contact with the outer side of the integrated device upper cover (11).

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