CN209860756U - Generator shaft position measurement comparison device - Google Patents

Generator shaft position measurement comparison device Download PDF

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Publication number
CN209860756U
CN209860756U CN201920994540.4U CN201920994540U CN209860756U CN 209860756 U CN209860756 U CN 209860756U CN 201920994540 U CN201920994540 U CN 201920994540U CN 209860756 U CN209860756 U CN 209860756U
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CN
China
Prior art keywords
plate
magnetic pole
hole
pole plate
rotor
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Withdrawn - After Issue
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CN201920994540.4U
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Chinese (zh)
Inventor
金晓华
苍路
张雷
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Nanjing Steam Turbine Motor (group) Co Ltd
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Nanjing Steam Turbine Motor (group) Co Ltd
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Priority to CN201920994540.4U priority Critical patent/CN209860756U/en
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Publication of CN209860756U publication Critical patent/CN209860756U/en
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Abstract

The utility model discloses a generator pivot position measurement comparing device, including magnet bracket component, fine setting bracket component and flexible contact display module. By adopting the device of the utility model, the inner circle of the magnet bracket component is absorbed on the reference circle of the rotor of the dragging machine, the single-core wire contact of the flexible contact display component is adjusted to be close to the reference circle of the rotor of the generator, and the control position is adjusted by finely adjusting the bracket component; rotate the utility model discloses, change the circumference position of relative dragging machine reference circle, the relative position of generator rotor and dragging machine rotor is compared to the measurable quantity.

Description

Generator shaft position measurement comparison device
Technical Field
The invention relates to a mechanical device required by a generator during manufacturing and assembling, in particular to a position measurement and comparison device for centering a generator rotor and a dragging machine rotor.
Background
During the manufacturing process of the generator and the assembling and trial run process, the position of the rotor of the towing engine relative to the rotor of the generator needs to be adjusted, so that the central axis of the rotor of the towing engine is coincident with the central axis of the rotor of the generator. The existing method for measuring and comparing the position of the rotating shaft of the generator generally adopts a flat ruler for comparison and measurement, and two reference circles are required to be abutted and aligned. And the flat ruler is abutted against the two reference circles which are closely aligned, the flat ruler is attached to the higher reference circle, a gap is formed between the flat ruler and the lower reference circle, deviation data of the rotating shaft in the circumferential direction is obtained according to the gap, the deviation data is obtained by comparing the flat ruler at four positions which are uniformly distributed on the circumference, the integral deviation condition of the position of the rotating shaft is judged according to the four deviation data, then adjustment is carried out, and the operation is continued until the four deviation data are the same. In the actual production process, only one or two dragging machines may be arranged in one production workshop, the reference circle size of the dragging machine rotor is fixed, but in the actual production, a plurality of generator rotors with different sizes need to be prepared, and different products have different rotor coupling outer circle sizes, namely, a plurality of reference circle sizes. Many manufacturers can arrange a transitional connecting device between the rotor of the dragging machine and the rotor of the engine, the two devices have a certain axial distance, but the positions of the rotor of the generator and the rotor of the dragging machine still need to be adjusted. Therefore, a generator rotating shaft position measuring and comparing device is urgently needed, and the coincidence deviation data of the central axes of the rotor of the towing engine and the rotor of the generator with the axial distance can be rapidly measured.
Disclosure of Invention
The invention aims to provide a generator rotating shaft position measuring and comparing device which is used for measuring and comparing the relative position when the position of a generator rotor and the position of a towing machine rotor are centered, is convenient to operate, can be used when the reference circle of the generator rotor and the reference circle of the towing machine rotor are different in size, and is wide in universality.
In order to achieve the purpose, the invention adopts the following technical scheme:
a generator rotating shaft position measuring and comparing device comprises a magnet support assembly, a fine tuning support assembly and a flexible contact display assembly;
the magnet bracket assembly comprises a magnet and a welding part assembly; the welding component comprises an N magnetic pole plate, an S magnetic pole plate, a first diamagnetic connecting plate, a second diamagnetic connecting plate, a third diamagnetic connecting plate and a fourth diamagnetic connecting plate, wherein the N magnetic pole plate and the S magnetic pole plate are oppositely arranged; the magnet is arranged on one side of the first diamagnetic connecting plate, the N pole and the S pole of the magnet are respectively attached to the N magnetic pole plate and the S magnetic pole plate and reinforced by an electrical adhesive tape, and the arc-shaped bottoms of the N magnetic pole plate and the S magnetic pole plate are matched with a reference circle of a rotor of the towing machine to form a revolute pair; the upper part of the N magnetic pole plate is provided with a first through hole, and the upper part of the S magnetic pole plate is provided with a second through hole which is arranged opposite to the first through hole; the second diamagnetic connecting plate is provided with a hole, and the third diamagnetic connecting plate is provided with a screw hole;
the fine adjustment support component comprises a support, a fine adjustment component, a pressing plate, a pin shaft and a second spring; the bracket is provided with two first connecting holes, a second connecting hole and a third connecting hole which are oppositely arranged; the pin shaft sequentially penetrates through the first through hole of the N magnetic pole plate, the two first connecting holes, the second spring and the second through hole of the S magnetic pole plate, and the freedom degree of the fine tuning support assembly is limited after the pin shaft is fixed, so that the pin shaft can only rotate around the hole axes of the first through hole and the second through hole;
the fine adjustment assembly comprises a first spring, a first washer, a second washer and a fine adjustment screw rod; the fine tuning screw rod sequentially passes through a hole on the second diamagnetic connecting plate, the second gasket, a second connecting hole on the bracket, the first gasket and the first spring to form a moving pair with two degrees of freedom of moving and rotating along the axial line of the fine tuning screw rod, and then passes through a screw hole of the third diamagnetic connecting plate to form a fine tuning assembly;
the pressing plate is arranged on the third connecting hole and used for fixing a single-core wire of the flexible contact display assembly;
the flexible contact display assembly comprises a single-core wire, an LED lamp, an insulating elastic gasket and a battery, the single-core wire is fixed on the fine adjustment bracket component, one end part of the single-core wire is provided with a contact, the other end of the magnetic pole support is connected with an LED lamp and a battery which are fixed on the magnetic pole support in series, the cathode of the battery is connected with an N magnetic pole plate, an insulating elastic washer is arranged between the anode of the battery and an S magnetic pole plate, the electric isolation is realized by the insulating elastic washer and the magnet bracket component, the insulating elastic washer also provides the mounting tightening force for the battery series circuit contact, the negative pole of the battery is connected to form a circuit by the magnet bracket component, the reference circle of the rotor of the dragging machine and the reference circle of the rotor of the generator, and when the contact is adjusted to be in contact with the reference circle of the generator rotor, the LED lamp is controlled to be turned on or off, and the axial positions of the generator rotor and the rotor of the towing machine are measured and compared at different circumferential positions.
According to the technical scheme, the first diamagnetic connecting plate is located on the lower portions of the N magnetic pole plate and the S magnetic pole plate, the second diamagnetic connecting plate is located on the upper portions of the N magnetic pole plate and the S magnetic pole plate, and the third diamagnetic connecting plate and the fourth diamagnetic connecting plate are located in the middle portions of the N magnetic pole plate and the S magnetic pole plate.
In a further technical scheme, the bottom corners of the N magnetic pole plate and the S magnetic pole plate are arc-shaped tangent to the adjacent surfaces, so that the rotation is facilitated.
According to the technical scheme, the single-core wire can be bent at any angle and has certain rigidity, the position of the contact at one end of the single-core wire can be bent and adjusted according to the position of the reference circle of the generator rotor, and the purpose that the single-core wire can be used when the reference circle of the generator rotor is different in size is achieved. The single-core wire can be bent according to the position of the reference circle of the generator rotor to adjust the position of the single-core wire contact, so that the single-core wire contact is in contact with or not in contact with the outer surface of the reference circle of the generator rotor.
According to a further technical scheme, the support comprises a first plate body which is right-angled and provided with a forward opening, a U-shaped second plate body which is positioned on the right side of the first plate body and provided with a backward and downward opening, and a third plate body which is positioned on the left side of the first plate body, provided with an opening in the same direction as the first plate body and provided with a right angle; the third connecting hole is arranged on the transverse plate at the top of the first plate body, the first connecting hole is respectively arranged on two vertical plates of the second plate body, and the second connecting hole is arranged on the transverse plate at the top of the third plate body.
According to the further technical scheme, the pressing plate is parallel to the pin shaft.
A method for measuring and comparing the position of a rotating shaft of a generator comprises the following steps:
the method comprises the following steps: by adopting the generator rotating shaft position measuring and comparing device, the arc-shaped bottom of the magnet support assembly is attached to the towing machine rotor reference circle, and the magnet support assembly and the rotor reference circle form a magnetic path, so that the device is attracted on the towing machine rotor reference circle, can be adjusted and moved along the tangential direction of the towing machine rotor reference circle, and can be randomly rotated and adjusted to different circumferential positions of the towing machine rotor reference circle;
step two: bending and adjusting a single-core wire (51) of the flexible contact display assembly of the invention to enable a single-core wire contact (511) to be slightly close to a reference circle (2) of a generator rotor;
step three: finely adjusting the position of the single-core wire contact through the fine adjustment support assembly until an LED lamp of the flexible contact display assembly (5) is right on, and recording the first position of a fine adjustment screw (824) of the fine adjustment support assembly;
step four: the device is adjusted and moved to the position of 90 degrees, 180 degrees or 270 degrees of the circumference of a reference circle of a rotor of the towing machine, the position of a single-core wire contact is finely adjusted through the fine adjustment support assembly until an LED lamp of the flexible contact display assembly is just on, and the second position of a fine adjustment screw rod of the fine adjustment support assembly is recorded;
step five: and comparing the angle difference of the second position of the fine adjustment screw rod relative to the first position, calculating the position deviation of the axis of the reference circle of the rotor of the towing engine relative to the axis of the reference circle of the rotor of the generator, comparing the position deviation, and adjusting the position of the reference circle of the rotor of the towing engine relative to the reference circle of the rotor of the generator according to actual needs. The point that the reference circle of the rotor of the towing machine is higher than the reference circle of the rotor of the generator is used as a first position, and detection errors caused by the fact that a contact can touch the reference circle of the rotor of the generator in the rotating and moving process are avoided.
The invention has the beneficial effects that:
1. the invention is composed of a plurality of sheet metal parts, magnets, electric wires and batteries, and has the advantages of light whole body and low manufacturing cost.
2. The magnetic bracket assembly can be conveniently attracted to the datum circle of the rotor of the towing machine and can be randomly rotated to adjust the circumferential position.
3. The flexible contact display assembly is convenient to adjust the position and visual in display.
4. The fine adjustment function of the fine adjustment bracket assembly is embodied in that the position of a single-core wire contact of a single-core wire of the flexible contact display assembly is finely adjusted and changed relative to the position of a reference circle of a generator rotor.
5. By adopting the device, the inner circle of the magnet bracket assembly is attracted on the reference circle of the rotor of the towing machine, the single-core wire contact of the flexible contact display assembly is adjusted to be close to the reference circle of the rotor of the generator, and the control position is adjusted by finely adjusting the bracket assembly; the invention can change the circumferential position of the reference circle of the relative dragging machine, and can measure and compare the relative position of the generator rotor and the dragging machine rotor.
6. The invention can be used for finding the positions of the generator rotors with different reference circle sizes and the towing engine rotor with the same reference circle size, has wide universality, does not need to design the reference circle of the generator rotor and the reference circle of the towing engine rotor into the same size, and greatly reduces the manufacturing cost.
Drawings
Fig. 1 is a schematic structural view of the present invention in a use state.
Fig. 2 is a left side view of fig. 1.
Fig. 3 is a front view of the stand.
Fig. 4 is a left side view of the stent.
The labels in the figure are: 1. the magnetic field generator comprises a towing engine rotor reference circle, 2, a generator rotor reference circle, 3, a magnet support assembly, 32, a magnet, 38 welding assembly, 31, an N magnetic pole plate, 33, an S magnetic pole plate, 34, a first diamagnetic connecting plate, 35, a second diamagnetic connecting plate, 36, a third diamagnetic connecting plate, 37 and a fourth diamagnetic connecting plate; hole 351, screw holes 361 and 381, arc-shaped bottom, 382 bottom corner, 383, first through hole, 384 and second through hole;
5. a flexible touch display module, 51, a single core wire, 52, an LED lamp, 55, an insulating elastic washer, 56 a battery,
511. single core wire contact 521, 522
8. The fine adjustment support assembly 81, the support 82, the fine adjustment assembly 83, the pressing plate 86, the pin shaft 87 and the second spring; 821. a first spring 822, a first washer 823, a second washer 824, a fine adjustment screw.
811. First connecting hole 812, second connecting hole 813, third connecting hole 814, first plate body 815, second plate body 816, third plate body 817, transverse plate 818 and vertical plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Examples
As shown in fig. 1-4, a generator shaft position measurement comparison device comprises a magnet support assembly 3, a fine tuning support assembly 8 and a flexible contact display assembly 5;
the magnet bracket assembly 3 comprises a magnet 32 and a welding assembly 38; the welding component assembly 38 comprises an N magnetic pole plate 31 and an S magnetic pole plate 33 which are oppositely arranged, and a first diamagnetic connecting plate 34, a second diamagnetic connecting plate 35, a third diamagnetic connecting plate 36 and a fourth diamagnetic connecting plate 37 which are used for connecting the N magnetic pole plate 31 and the S magnetic pole plate 33; the magnet 32 is arranged on one side of the first diamagnetic connecting plate 34, the N pole and the S pole of the magnet 32 are respectively attached to the N magnetic pole plate 31 and the S magnetic pole plate 33 and reinforced by an electric adhesive tape, and the arc-shaped bottoms 381 of the N magnetic pole plate 31 and the S magnetic pole plate 33 are matched with the reference circle 1 of the dragging machine rotor to form a revolute pair; the upper part of the N magnetic pole plate is provided with a first through hole 383, and the upper part of the S magnetic pole plate is provided with a second through hole 384 which is opposite to the first through hole 383; the second diamagnetic connecting plate 35 is provided with a hole 351, and the third diamagnetic connecting plate 36 is provided with a screw hole 361;
the fine adjustment bracket assembly 8 comprises a bracket 81, a fine adjustment assembly 82, a pressure plate 83, a pin shaft 86 and a second spring 87; the bracket 81 is provided with two first connecting holes 811, a second connecting hole 812 and a third connecting hole 813 which are oppositely arranged; the pin shaft 86 sequentially passes through the first through hole 383 of the N magnetic pole plate 31, the two first connecting holes 811, the second spring 87 and the second through hole 384 of the S magnetic pole plate 33, and after being fixed, the degree of freedom of the fine tuning support assembly 8 is limited, so that the fine tuning support assembly can only rotate around the hole axes of the first through hole 383 and the second through hole 384;
the fine adjustment assembly 82 comprises a first spring 821, a first washer 822, a second washer 823 and a fine adjustment screw 824; the fine adjustment screw 824 sequentially passes through the hole 351 on the second diamagnetic connecting plate 35, the second gasket 823, the second connecting hole 812 on the bracket 81, the first gasket 822 and the first spring 821 to form a moving pair with two degrees of freedom of moving and rotating along the axial line of the fine adjustment screw 824, and then passes through the screw hole 361 of the third diamagnetic connecting plate 36 to form the fine adjustment assembly 82;
the pressing plate 83 is arranged on the third connecting hole 813 and is used for fixing the single-core electric wire 51 of the flexible contact display assembly 5;
the flexible contact display component 5 comprises a single-core wire 51, an LED lamp 52, an insulating elastic gasket 55 and a battery 56, wherein the single-core wire 51 is fixed on the fine adjustment bracket assembly 8, one end part of the single-core wire 51 is provided with a contact 511, the other end of the single-core wire is connected with the LED lamp 52 and the battery 56 which are fixed on the magnet bracket assembly 3 in series, the cathode of the battery 56 is connected with the N magnetic pole plate 31, the insulating elastic gasket 55 is arranged between the anode of the battery 56 and the S magnetic pole plate 33, the electric isolation is realized through the insulating elastic gasket 55 and the magnet bracket assembly 3, the insulating elastic gasket 55 also provides the mounting tightening force of a battery series circuit contact, the cathode of the battery 56 is connected with the magnet bracket assembly 3, the reference circle 1 of the towing machine rotor and the reference circle 2 of the generator rotor to form a circuit, when the contact of the contact 511 and the reference, the axial positions of the generator rotor and the rotor of the towing engine are compared at different circumferential positions.
The first diamagnetic connecting plate 34 is positioned at the lower parts of the N magnetic pole plate 31 and the S magnetic pole plate 33, the second diamagnetic connecting plate 35 is positioned at the upper parts of the N magnetic pole plate 31 and the S magnetic pole plate 33, and the third diamagnetic connecting plate 36 and the fourth diamagnetic connecting plate 37 are positioned at the middle parts of the N magnetic pole plate 31 and the S magnetic pole plate 33.
The bottom corners 382 of the N magnetic pole plate 31 and the S magnetic pole plate 33 are arc-shaped tangent to the adjacent surfaces, and the rounding treatment is beneficial to rotation.
The single-core wire 51 can be bent at any angle and has certain rigidity, and the position of the contact 511 at one end of the single-core wire can be bent and adjusted according to the position of the reference circle of the generator rotor, so that the aim of using the single-core wire when the reference circles of the generator rotor are different in size is fulfilled. The single-core wire 51 can be bent and adjusted according to the position of the reference circle of the generator rotor, so that the single-core wire contact 511 is in contact with or not in contact with the outer surface of the reference circle of the generator rotor.
The bracket 81 comprises a first plate body 814 which is right-angled and has a forward opening, a U-shaped second plate body 815 which is positioned on the right side of the first plate body 814 and has a backward and downward opening, and a third plate body 816 which is positioned on the left side of the first plate body 814, has the same direction as the opening of the first plate body 814 and is right-angled; the third connecting hole 813 is disposed on a transverse plate 817 of the top of the first plate 814, the first connecting holes 811 are respectively disposed on two vertical plates 818 of the second plate 815, and the second connecting holes 812 are disposed on the transverse plate 817 of the top of the third plate 816.
The pressing plate is parallel to the pin shaft.
The working process of the invention is as follows:
the magnet support assembly is formed by connecting an N magnetic pole plate, a magnet, an S magnetic pole plate and a diamagnetic connecting plate into a whole, and the inner circle of the bottom of the magnetic pole plate is arranged to be attached to the reference circle of the rotor of the dragging machine to move in a rotating mode. The fine setting bracket component is installed on the magnet bracket component, can finely tune the relative position for the magnet bracket component. The flexible contact display assembly is provided with a single-core wire fixed on the fine adjustment support assembly, the position of a single-core wire contact can be adjusted in a bending mode according to the reference circle position of the generator rotor, the other end of the single-core wire is connected with an LED lamp and a battery which are fixed on the magnet support assembly in series to form a circuit through the magnet support assembly, the dragging machine rotor and the generator rotor, when the single-core wire contact is in contact with the reference circle of the generator rotor, the LED lamp is on, and when the single-core wire contact is adjusted to be not in contact, the LED. The axial position of the generator rotor and the rotor of the towing engine can be compared measured at different circumferential positions.
A method for measuring and comparing the position of a rotating shaft of a generator comprises the following steps:
according to the figures 1 and 2, the part 381 of the magnet bracket assembly 3 is attached to the towing machine rotor reference circle 1, and the magnet bracket assembly 3 and the rotor reference circle 1 form a magnetic path, so that the magnetic-field-induced vibration motor is attracted to the towing machine rotor reference circle 1, can be adjusted and moved along the tangential direction of the towing machine rotor reference circle 1, and can be randomly rotated and adjusted to different circumferential positions of the towing machine rotor reference circle 1. The single-core wire 51 of the flexible contact display module 5 of the present invention is bent and adjusted as shown in fig. 1 so that the single-core wire contact 511 is slightly close to the reference circle 2 of the generator rotor. The fine adjustment bracket assembly 8 of the present invention is used to fine-tune the position of the single core wire contact 511 until the LED light 52 of the flexible contact display assembly 5 is just on, and the first position of the fine adjustment screw 824 of the fine adjustment bracket assembly 8 is recorded. The invention is adjusted and moved to the position of 90 degrees, 180 degrees or 270 degrees of the circumference of the reference circle 1 of the rotor of the towing machine, the position of the single-core wire contact 511 is finely adjusted by using the fine adjustment bracket assembly 8 of the invention until the LED lamp 52 of the flexible contact display assembly 5 is just on, and the second position of the fine adjustment screw 824 of the fine adjustment bracket assembly 8 is recorded. By comparing the angular difference between the second position and the first position of the fine adjustment screw 824, the positional deviation of the axis of the reference circle 1 of the rotor of the towing engine with respect to the axis of the reference circle 2 of the rotor of the generator can be calculated, and by comparing the positional deviation, the position of the reference circle 1 of the rotor of the towing engine with respect to the reference circle 2 of the rotor of the generator can be adjusted as needed. The using method of the invention is simple and easy to master, and the position of the rotating shaft of the generator can be measured and compared. In the actual measurement process, a point, at which the reference circle of the rotor of the towing machine is higher than that of the rotor of the generator, is used as a first position, so that the detection error caused by the fact that a contact can touch the reference circle of the rotor of the generator in the rotating and moving process is avoided. Assuming that the rotor axis is the Z axis, the projection of the reference circle onto the XY plane is a circle, and the centering is the concentricity (the coincidence of the centers) of two circles formed by projecting two reference circles onto the XY plane. The deviation of the two positions by 180 degrees provides a deviation in the X-axis direction, and can provide data on how to adjust relative to each other in the X-axis direction. And two position deviations, namely deviations in the Y-axis direction, which can be adjusted relatively in the Y-axis direction, can be obtained correspondingly, and the difference between the two positions is 90 degrees. The position of the reference circle of the rotor of the dragging machine can be adjusted through adjustment.

Claims (7)

1. The utility model provides a generator pivot position measurement comparator which characterized in that: comprises a magnet bracket component (3), a fine-tuning bracket component (8) and a flexible contact display component (5);
the magnet bracket assembly (3) comprises a magnet (32) and a welding assembly (38); the welding part assembly (38) comprises an N magnetic pole plate (31) and an S magnetic pole plate (33) which are oppositely arranged, and a first diamagnetic connecting plate (34), a second diamagnetic connecting plate (35), a third diamagnetic connecting plate (36) and a fourth diamagnetic connecting plate (37) which are used for connecting the N magnetic pole plate (31) and the S magnetic pole plate (33); the magnet (32) is arranged on one side of the first diamagnetic connecting plate (34), the N pole and the S pole of the magnet (32) are respectively attached to the N magnetic pole plate (31) and the S magnetic pole plate (33) and reinforced by an electric adhesive tape, and the arc-shaped bottoms (381) of the N magnetic pole plate (31) and the S magnetic pole plate (33) are attached to the reference circle (1) of the rotor of the dragging machine to form a revolute pair; the upper part of the N magnetic pole plate is provided with a first through hole (383), and the upper part of the S magnetic pole plate is provided with a second through hole (384) which is arranged opposite to the first through hole (383); the second diamagnetic connecting plate (35) is provided with a hole (351), the third diamagnetic connecting plate (36) is provided with a screw hole (361), and the fine adjustment support assembly (8) comprises a support (81), a fine adjustment assembly (82), a pressing plate (83), a pin shaft (86) and a second spring (87); two first connecting holes (811), a second connecting hole (812) and a third connecting hole (813) which are oppositely arranged are arranged on the bracket (81); the pin shaft (86) sequentially penetrates through a first through hole (383) of the N magnetic pole plate (31), two first connecting holes (811), a second spring (87) and a second through hole (384) of the S magnetic pole plate (33), and the freedom degree of the fine tuning support assembly (8) is limited after the fine tuning support assembly is fixed, so that the fine tuning support assembly can only rotate around the hole axes of the first through hole (383) and the second through hole (384);
the fine adjustment assembly (82) comprises a first spring (821), a first washer (822), a second washer (823) and a fine adjustment screw (824); the fine adjustment screw (824) sequentially penetrates through a hole (351) in the second diamagnetic connecting plate (35), a second gasket (823), a second connecting hole (812) in the bracket (81), a first gasket (822) and a first spring (821) to form a moving pair which axially moves and rotates along the fine adjustment screw (824) with two degrees of freedom, and then penetrates through a screw hole (361) of the third diamagnetic connecting plate (36) to form a fine adjustment assembly (82);
the pressing plate (83) is arranged on the third connecting hole (813) and is used for fixing the single-core electric wire (51) of the flexible contact display assembly (5);
the flexible contact display assembly (5) comprises a single-core wire (51), an LED lamp (52), an insulating elastic washer (55) and a battery (56), wherein the single-core wire (51) is fixed on the fine adjustment bracket assembly (8), one end part of the single-core wire (51) is provided with a contact (511), the other end of the single-core wire is connected with the LED lamp (52) and the battery (56) which are fixed on the magnet bracket assembly (3) in series, the negative pole of the battery (56) is connected with the N magnetic pole plate (31), the insulating elastic washer (55) is arranged between the positive pole of the battery (56) and the S magnetic pole plate (33), the negative pole of the battery (56) is connected with the generator rotor reference circle (2) through the magnet bracket assembly (3), the towing rotor reference circle (1) and the generator rotor reference circle (2) to form a circuit, and the LED lamp (52) is controlled to be turned on or turned off by, the axial positions of the generator rotor and the rotor of the towing engine are compared at different circumferential positions.
2. The generator shaft position measurement comparison device of claim 1, wherein: the first diamagnetic connecting plate (34) is located at the lower parts of the N magnetic pole plate (31) and the S magnetic pole plate (33), the second diamagnetic connecting plate (35) is located at the upper parts of the N magnetic pole plate (31) and the S magnetic pole plate (33), and the third diamagnetic connecting plate (36) and the fourth diamagnetic connecting plate (37) are located at the middle parts of the N magnetic pole plate (31) and the S magnetic pole plate (33).
3. The generator shaft position measurement comparison device of claim 1, wherein: the bottom corners of the N magnetic pole plate (31) and the S magnetic pole plate (33) are arc-shaped tangent to the adjacent surfaces, so that the rotation is facilitated.
4. The generator shaft position measurement comparison device of claim 1, wherein: the single-core electric wire (51) can be bent at any angle and has certain rigidity.
5. The generator shaft position measurement comparison device of claim 1, wherein: the support (81) comprises a first plate body (814) which is right-angled and has a forward opening, a U-shaped second plate body (815) which is positioned on the right side of the first plate body (814) and has a backward and downward opening, and a third plate body (816) which is positioned on the left side of the first plate body (814), has the same direction as the opening of the first plate body (814) and is right-angled; the third connecting hole (813) is arranged on a transverse plate (817) at the top of the first plate body (814), the first connecting hole (811) is respectively arranged on two vertical plates (818) of the second plate body (815), and the second connecting hole (812) is arranged on the transverse plate (817) at the top of the third plate body (816).
6. The generator shaft position measurement comparison device according to claim 1 or 4, characterized in that: in the using process, the single-core wire (51) can be bent and adjusted according to the position of the reference circle of the generator rotor, so that the single-core wire contact (511) is in contact with or not in contact with the outer surface of the reference circle of the generator rotor.
7. The generator shaft position measurement comparison device of claim 1, wherein: the pressing plate is parallel to the pin shaft.
CN201920994540.4U 2019-06-28 2019-06-28 Generator shaft position measurement comparison device Withdrawn - After Issue CN209860756U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920994540.4U CN209860756U (en) 2019-06-28 2019-06-28 Generator shaft position measurement comparison device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920994540.4U CN209860756U (en) 2019-06-28 2019-06-28 Generator shaft position measurement comparison device

Publications (1)

Publication Number Publication Date
CN209860756U true CN209860756U (en) 2019-12-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920994540.4U Withdrawn - After Issue CN209860756U (en) 2019-06-28 2019-06-28 Generator shaft position measurement comparison device

Country Status (1)

Country Link
CN (1) CN209860756U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110149033A (en) * 2019-06-28 2019-08-20 南京汽轮电机(集团)有限责任公司 A kind of alternator shaft position measurement comparison unit and its method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110149033A (en) * 2019-06-28 2019-08-20 南京汽轮电机(集团)有限责任公司 A kind of alternator shaft position measurement comparison unit and its method
CN110149033B (en) * 2019-06-28 2023-12-08 南京汽轮电机(集团)有限责任公司 Generator rotating shaft position measurement comparison device and method

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