Device for measuring offset of elastic supporting shaft of fan gear box

Abstract

The utility model discloses a device for measuring the offset of an elastic support shaft of a fan gear box, which comprises an upper bottom plate, a lower bottom plate, a front baffle plate and a rear baffle plate, the upper bottom plate and the lower bottom plate are connected through a clamping structure, the front baffle plate is fixedly connected with the upper bottom plate and the lower bottom plate through screws, and the rear baffle plate is fixedly connected with the upper bottom plate and the lower bottom plate through screws. The rear baffle plate is fixedly connected with the upper bottom plate and the lower bottom plate through screws, the front baffle plate is provided with a plurality of sensor interfaces, each sensor interface is connected with an eddy current sensor, and the eddy current sensor is connected with the rear baffle plate. The upper bottom plate, the lower bottom plate, the front baffle and the rear baffle define a hollow box body, and a circuit board is arranged in the box body. The device provided by the utility model is provided with a plurality of data channels, namely sensor interfaces, so that one device can monitor offsets of different positions and angles of a plurality of elastic support shafts or one elastic support shaft, and reliable and effective data is provided for subsequent offset analysis.

Description

Technical Field

[0001] The utility model relates to the field of measurement and control and electronic circuits, in particular to a device for measuring the offset of an elastic support shaft of a fan gear box. Background Art

[0002] For three-point supported wind turbines, the gearbox elastic support is an important load-bearing element, which mainly bears the torsional torque of the transmission chain. At the same time, its radial force and the radial force of the main bearing form a torque that balances the input torque of the impeller. When the unit is running, the elastic support can be used as a damping element to reduce the vibration impact of the gearbox. Because the state of the elastic support has a great influence on the stable operation of the transmission chain, it is necessary to monitor the offset of the elastic support shaft and store the monitored data to facilitate understanding of the operating law of the elastic support shaft.

[0003] Currently, the existing devices for monitoring the offset of the elastic support shaft have few data channels and generally only support one or two sensors for measurement and data collection. There is an urgent need for a multi-channel measurement device to monitor the offset of the elastic support shaft, so that one device can monitor the offset of multiple elastic support shafts or the offset of an elastic support shaft at different positions and angles. Utility Model Content

[0004] To this end, one purpose of the utility model is to provide a device for measuring the offset of the elastic support shaft of a wind turbine gearbox, so as to solve the problems mentioned in the background technology and overcome the deficiencies existing in the prior art.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A device for measuring the offset of the elastic support shaft of a wind turbine gear box comprises an upper base plate, a lower base plate, a front baffle plate and a rear baffle plate, wherein the upper base plate and the lower base plate are connected via a clamping structure, the front baffle plate is fixedly connected to the upper base plate and the lower base plate via screws, the rear baffle plate is fixedly connected to the upper base plate and the lower base plate via screws, a sensor interface is provided on the front baffle plate, there are several sensor interfaces, each of the sensor interfaces is connected to an eddy current sensor, the upper base plate, the lower base plate, the front baffle plate and the rear baffle plate form a hollow box body in the middle, and a circuit board is provided inside the box body.

[0007] Furthermore, the device also includes a guide rail buckle, the guide rail buckle is provided with a mounting hole, and the guide rail buckle is fixedly connected to the lower base plate.

[0008] Furthermore, the rear baffle is provided with a power interface and a power indicator light, and there are a plurality of the power interfaces and the power indicator lights.

[0009] Furthermore, a debugging interface and a storage slot are provided on the rear baffle.

[0010] Furthermore, the clamping structure includes a protrusion and a groove, the protrusion is arranged on the upper base plate, and the groove is arranged on the lower base plate, and the protrusion can be just embedded in the groove.

[0011] Furthermore, a measuring circuit is provided on the circuit board, and the measuring circuit includes a main control circuit, a power supply circuit, a positioning circuit, a network port circuit and a serial port conversion circuit. The main control circuit is connected to the power supply circuit, and the positioning circuit, the network port circuit and the serial port conversion circuit are all connected to the main control circuit and the power supply circuit.

[0012] Furthermore, the main control circuit includes a main control chip U3, the main control chip U3 is connected to the first socket J1 and the second socket J2, and the main control chip U3 is a single chip microcomputer.

[0013] Furthermore, the power supply circuit includes a first voltage stabilizer U1 and a second voltage stabilizer U2, wherein the first voltage stabilizer U1 is used to stabilize the input voltage of 24V to an output voltage of 5V, and the second voltage stabilizer U2 is used to stabilize the input voltage of 5V to an output voltage of 3.3V.

[0014] Furthermore, the network port circuit includes an Ethernet transparent transmission module MK2, the Ethernet transparent transmission module MK2 is powered by a 3.3V voltage, and the Ethernet transparent transmission module MK2 is connected to the main control circuit via a dip switch SW1.

[0015] Furthermore, the serial port conversion circuit includes an RS-232 to TTL chip U4 and a fourth socket, the RS-232 to TTL chip U4 is connected to the main control circuit, and the fourth socket is connected to the RS-232 to TTL chip U4.

[0016] Therefore, the utility model has the following beneficial effects:

[0017] The utility model discloses a device for measuring the offset of an elastic support shaft of a wind turbine gearbox, which is provided with a plurality of data channels, namely, sensor interfaces, so that one device can monitor the offset of a plurality of elastic support shafts or of different positions and angles of an elastic support shaft, thereby providing reliable and effective data for subsequent offset analysis. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the cross-sectional view of the device of the utility model;

[0019] Figure 2 It is an exploded view of the device of the utility model;

[0020] Figure 3It is a front view of the device of the utility model;

[0021] Figure 4 It is a back view of the device of the utility model;

[0022] Figure 5 This is a schematic diagram of the guide rail buckle structure of the utility model;

[0023] Figure 6 It is a schematic diagram of the upper and lower bottom plates of the utility model being connected by a clamping structure;

[0024] Figure 7 It is a schematic diagram of the main control circuit of the embodiment of the utility model;

[0025] Figure 8 It is a schematic diagram of a power supply circuit of an embodiment of the utility model;

[0026] Fig. 9 It is a schematic diagram of a positioning circuit of an embodiment of the utility model;

[0027] Fig.10 It is a schematic diagram of the network port circuit of an embodiment of the utility model;

[0028] Fig.11 It is a principle diagram of a serial port conversion circuit according to an embodiment of the utility model.

[0029] In the figure: 1. upper base plate; 2. lower base plate; 3. rear baffle; 4. front baffle; 5. circuit board; 6. guide rail buckle; 7. power interface; 701. first power interface; 702. second power interface; 703. third power interface; 8. sensor interface; 801. first sensor interface; 802. second sensor interface; 803. third sensor interface; 804. fourth sensor interface; 805. fifth sensor interface; 806. sixth sensor interface; 807. seventh sensor interface; 808. eighth sensor interface; 9. debugging interface; 10. power indicator light; 11. storage card slot; 12. protrusion; 13. groove; 14. mounting hole; 15. card slot; 16. screw; 17. reinforcing rib. DETAILED DESCRIPTION

[0030] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0031] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] like Figure 1 and Figure 2 As shown, a device for measuring the offset of the elastic support shaft of a wind turbine gearbox includes an upper base plate 1, a lower base plate 2, a front baffle plate 4 and a rear baffle plate 3. The upper base plate 1 and the lower base plate 2 are connected by a clamping structure. The front baffle plate 4 is fixedly connected to the upper base plate 1 and the lower base plate 2 by screws 16. The rear baffle plate 3 is fixedly connected to the upper base plate 1 and the lower base plate 2 by screws 16. A sensor interface 8 is provided on the front baffle plate 4. There are several sensor interfaces 8, each of which is connected to an eddy current sensor. The upper base plate 1, the lower base plate 2, the front baffle plate 4 and the rear baffle plate 3 form a box body with a hollow center, and a circuit board 5 is provided inside the box body.

[0033] like Figure 3 As shown, in one embodiment, eight sensor interfaces 8 are provided on the front baffle plate 4 of the device, namely the first sensor interface 801, the second sensor interface 802, the third sensor interface 803, the fourth sensor interface 804, the fifth sensor interface 805, the sixth sensor interface 806, the seventh sensor interface 807 and the eighth sensor interface 808. Each sensor interface can be connected to an eddy current sensor. The device can be connected to up to eight sensors to monitor the offset of the elastic support shaft.

[0034] The utility model discloses a device for measuring the offset of an elastic support shaft of a wind turbine gearbox, which is provided with a plurality of data channels, namely, sensor interfaces, so that one device can monitor the offset of a plurality of elastic support shafts or of different positions and angles of an elastic support shaft, thereby providing reliable and effective data for subsequent offset analysis.

[0035] like Figure 2 and Figure 5 As shown, the device also includes a guide rail buckle 6, on which a mounting hole 14 is provided, and the guide rail buckle 6 is fixedly connected to the lower base plate 2.

[0036] The guide rail buckle 6 is fixed to the lower surface of the lower base plate 2 through the mounting hole 14. A slot 15 is provided below the guide rail buckle 6. The slot 15 can cooperate with the external guide rail. The guide rail is clamped on the slot 15 of the guide rail buckle 6, so that the guide rail buckle 6 can slide relatively along the guide rail through the slot 15.

[0037] The rear baffle 3 is provided with a power interface 7 and a power indicator light 10 , and there are a plurality of power interfaces 7 and a plurality of power indicator lights 10 .

[0038] Specifically, Figure 4 As shown, there are three power supply interfaces 7, namely the first power supply interface 701, the second power supply interface 702 and the third power supply interface 703. The first power supply interface 701 is the positive pole of the power supply interface, and the voltage is 24V. The second power supply interface 702 is the protective conductor of the power supply interface, which is used to introduce current into the earth. The third power supply interface 703 is the negative pole of the power supply, and the voltage is 0V.

[0039] A debugging interface 9 and a storage card slot 11 are provided on the rear baffle 3 .

[0040] The memory card port 11 is used to install an SD card, which is connected to the circuit board 5 and is used to store data, and also facilitates data export and backup.

[0041] The clamping structure includes a protrusion 12 and a groove 13 . The protrusion 12 is arranged on the upper base plate 1 , and the groove 13 is arranged on the lower base plate 2 . The protrusion 12 can be just embedded in the groove 13 .

[0042] As another embodiment, Figure 6 As shown, a protrusion 12 is provided on one side of the upper base plate 1, a groove 13 is provided on the other side of the upper base plate 1, a groove 13 is provided on the side of the lower base plate 2 corresponding to the protrusion 12 of the upper base plate 1, a protrusion 12 is provided on the side of the lower base plate 2 corresponding to the groove 13 of the upper base plate 1, the protrusion 12 of the upper base plate 1 is correspondingly inserted into the groove 13 of the lower base plate 2, and the protrusion 12 of the lower base plate 2 is correspondingly inserted into the groove 13 of the upper base plate 1.

[0043] Specifically, the protrusion 12 is oblique, that is, the protrusion 12 has a certain angle in the vertical direction, and the groove 13 corresponding to the protrusion 12 also has a certain angle.

[0044] In the above-mentioned embodiment, the power interface, the sensor interface 8 and the debugging interface 9 are all provided with corresponding module interfaces on the circuit board 5 .

[0045] like Figure 1 As shown, reinforcing ribs 17 are provided on the upper base plate 1 , the lower base plate 2 , the front baffle plate 4 and the rear baffle plate 3 .

[0046] In the utility model, the eddy current sensor is used for measurement and detection. The eddy current sensor is a non-contact linear measurement tool that can accurately measure the static and dynamic relative displacement changes between the support shaft and the probe section. The eddy current sensor is installed on the support seat to continuously monitor the displacement changes of the support shaft and transmit the data back to the elastic support measurement device. The device records the data of each sensor and stores it in the SD card to form a table file, which is convenient for data export and backup.

[0047] A measuring circuit is provided on the circuit board, and the measuring circuit includes a main control circuit, a power supply circuit, a positioning circuit, a network port circuit and a serial port conversion circuit. The main control circuit is connected to the power supply circuit, and the positioning circuit, the network port circuit and the serial port conversion circuit are all connected to the main control circuit and the power supply circuit.

[0048] The main control circuit includes a main control chip U3 . The main control chip U3 is connected to a first socket J1 and a second socket J2 . The main control chip U3 is a single chip microcomputer.

[0049] like Figure 7 As shown, this embodiment describes the schematic diagram of the main control circuit in detail. The main control circuit includes: a main control chip U3, a first socket J1, a second socket J2, a capacitor C11, a capacitor C12, a capacitor C16, a resistor R3, and a resistor R4. The model of the main control chip U3 is STC15W4K48S4. The XTAL1 pin of the main control chip U3 is connected to a 24V+ power supply via a resistor R3. One end of the capacitor C12 is connected to the XTAL1 pin of the main control chip U3. The other end of the capacitor C12 is grounded. The capacitor C16 is connected in parallel with the capacitor C12. The resistor R4 is connected in parallel with the capacitor C16. The VCC pin of the main control chip U3 is connected to a 3.3V power supply. The GND pin of the main control chip U3 is grounded. One end of the capacitor C11 is connected to a 3.3V power supply. , the other end of the capacitor C11 is grounded, the first terminal of the first socket J1 is grounded, the second terminal of the first socket J1 is connected to the RXD2 pin of the main control chip U3, the third terminal of the first socket J1 is connected to the TXD2 pin of the main control chip U3, the fourth terminal of the first socket J1 is connected to a 5V+ power supply, one end of the capacitor C4 is connected to the fourth terminal of the first socket J1, the other end of the capacitor C4 is grounded, the first terminal of the second socket J2 is grounded, the second terminal of the second socket J2 is connected to the TXD pin of the main control chip U3, the third terminal of the second socket J2 is connected to the RXD pin of the main control chip U3, and the fourth terminal of the second socket J2 is connected to a 3.3V+ power supply.

[0050] The power supply circuit includes a first voltage stabilizer U1 and a second voltage stabilizer U2. The first voltage stabilizer U1 is used to stabilize the input voltage of 24V to an output voltage of 5V, and the second voltage stabilizer U2 is used to stabilize the input voltage of 5V to an output voltage of 3.3V.

[0051] like Figure 8As shown, this embodiment describes the principle diagram of the power supply circuit in detail.The power supply circuit includes: a first voltage regulator U1, a second voltage regulator U2, a third socket J3, a voltage regulator diode TVS1, a voltage regulator diode TVS2, a voltage regulator diode TVS3, a fuse F1, a diode D2, a polar capacitor C5, a polar capacitor C6, a resistor R1, a resistor R2, a capacitor C1, a diode D1, an inductor L1, a polar capacitor C3, a light-emitting diode LED1, a resistor R5, a capacitor C7, a polar capacitor C9, a capacitor C10, a light-emitting diode LED2, and a resistor R6. The model of the first voltage regulator U1 is LM2596-5.0, the model of the second voltage regulator U2 is AMS1117-3.3, the first terminal of the third socket J3 is short-circuited with the second terminal, and the third terminal of the third socket J3 is short-circuited with the fourth The terminals are short-circuited, one end of the Zener diode TVS1 is connected to the third terminal of the third socket J3, the other end of the Zener diode TVS1 is connected to the first terminal of the third socket J3 via the Zener diode TVS2, one end of the Zener diode TVS3 is connected to the third terminal of the third socket J3, the other end of the Zener diode TVS3 is connected to the first terminal of the third socket J3, one end of the fuse F1 is connected to the third terminal of the third socket J3, the other end of the fuse F1 is connected to the positive terminal of the diode D2, the negative terminal of the diode D2 is connected to the 24V+ power supply, the positive terminal of the polarity capacitor C5 is connected to the 24V+ power supply, the negative terminal of the polarity capacitor C5 is connected to the positive terminal of the polarity capacitor C6, the negative terminal of the polarity capacitor C6 is grounded, and the resistor R1 In parallel with the polar capacitor C5, the resistor R2 is connected in parallel with the polar capacitor C6, one end of the capacitor C1 is connected to the 24V+ power supply, the other end of the capacitor C1 is grounded, the +VIN pin of the first voltage regulator U1 is connected to the 24V+ power supply, the GND pin of the first voltage regulator U1 is grounded, the ON / OFF pin of the first voltage regulator U1 is grounded, the OUTPUT pin of the first voltage regulator U1 is connected to one end of the inductor L1, the other end of the inductor L1 outputs a 5V+ power supply, the negative terminal of the diode D1 is connected to the OUTPUT pin of the first voltage regulator U1, the positive terminal of the diode D1 is grounded, the positive terminal of the polar capacitor C3 is connected to the other end of the inductor L1, the negative terminal of the polar capacitor C3 is grounded, the positive terminal of the light-emitting diode LED1 is connected to the The other end is connected, the negative terminal of the light emitting diode LED1 is grounded via a resistor R5, the FEEDBACK pin of the first voltage regulator U1 is connected to the other end of the inductor L1, the IN pin of the second voltage regulator U2 is respectively connected to a 5V+ power supply and one end of a capacitor C7, the other end of the capacitor C7 is grounded, the GND pin of the second voltage regulator U2 is grounded, the OUT pin of the second voltage regulator U2 outputs a 3.3V+ power supply signal, the positive terminal of the polarity capacitor C9 is connected to the OUT pin of the second voltage regulator U2, the negative terminal of the polarity capacitor C9 is grounded, the capacitor C10 is connected in parallel with the polarity capacitor C9, the positive terminal of the light emitting diode LED2 is connected to the OUT pin of the second voltage regulator U2, and the negative terminal of the light emitting diode LED2 is grounded via a resistor R6.

[0052] The network port circuit includes an Ethernet transparent transmission module MK2, which is powered by a 3.3V voltage. The Ethernet transparent transmission module MK2 is connected to the main control circuit via a DIP switch SW1.

[0053] like Fig.10 As shown, this embodiment describes the schematic diagram of the network port circuit in detail. The network port circuit includes: an Ethernet transparent transmission module MK2, a capacitor C8 and a dial switch SW1, the model of the Ethernet transparent transmission module MK2 is USR_K7, the RXD pin of the Ethernet transparent transmission module MK2 is connected to the TXD pin of the main control circuit main control chip U3, the TXD pin of the Ethernet transparent transmission module MK2 is connected to the RXD pin of the main control circuit main control chip U3 via the dial switch SW1, the GND pin of the Ethernet transparent transmission module MK2 is grounded, the VDD pin of the Ethernet transparent transmission module MK2 is connected to the 3.3V+ power supply, one end of the capacitor C8 is connected to the VDD pin of the Ethernet transparent transmission module MK2, and the other end of the capacitor C8 is grounded.

[0054] The serial port conversion circuit includes an RS-232 to TTL chip U4 and a fourth socket. The RS-232 to TTL chip U4 is connected to the main control circuit, and the fourth socket is connected to the RS-232 to TTL chip U4.

[0055] like Fig.11As shown, the embodiment describes the schematic diagram of the serial port conversion circuit in detail. The serial port conversion circuit includes: an RS-232 to TTL chip U4, a capacitor C13, a capacitor C14, a capacitor C15, a capacitor C17, a capacitor C18, and a fourth socket J4. The model of the RS-232 to TTL chip U4 is SP3232EEN-L / TR. The C1+ pin of the RS-232 to TTL chip U4 is connected to the C1- pin via the capacitor C13. The V+ pin of the RS-232 to TTL chip U4 is connected to the 3.3V+ power supply via the capacitor C17. The C12+ pin of the RS-232 to TTL chip U4 is connected to the C2- pin via the capacitor C14. The V- pin of the RS-232 to TTL chip U4 is grounded via the capacitor C15. The T1IN pin of the RS-232 to TTL chip U4 is connected to the main control circuit. The RS-232 to TTL chip U4 is connected to the TXD pin of the main control chip U3, the R1OUT pin of the RS-232 to TTL chip U4 is connected to the RXD pin of the main control chip U3, the R1IN pin of the RS-232 to TTL chip U4 is connected to the third terminal of the fourth socket, the T1OUT pin of the RS-232 to TTL chip U4 is connected to the second terminal of the fourth socket, the first terminal of the fourth socket is grounded, the GND pin of the RS-232 to TTL chip U4 is grounded, the VCC pin of the RS-232 to TTL chip U4 is connected to the 3.3V+ power supply, one end of the capacitor C18 is connected to the VCC pin of the RS-232 to TTL chip U4, and the other end of the capacitor C18 is connected to the GND pin of the RS-232 to TTL chip U4.

[0056] like Fig. 9 As shown, the present embodiment describes the schematic diagram of the positioning circuit in detail. The positioning circuit includes: a positioning and orientation module chip MK1, a capacitor C2, the model of the positioning and orientation module chip MK1 is UM482, the two UART1_TXD pins of the positioning and orientation module chip MK1 are connected to the P0.0 pin of the main control circuit main control chip U3, the two UART1_RXD pins of the positioning and orientation module chip MK1 are connected to the P0.1 pin of the main control circuit main control chip U3, the ten GND pins of the positioning and orientation module chip MK1 are all grounded, the two VCC pins of the positioning and orientation module chip MK1 are all connected to a 5V+ power supply, one end of the capacitor C2 is connected to the VCC pin of the positioning and orientation module chip MK1, and the other end of the capacitor C2 is grounded.

[0057] The utility model discloses a device for measuring the offset of the elastic support shaft of a fan gearbox, with a maximum sampling frequency of 1000 Hz; one device can be connected to up to 8 sensors; an SD card is used to store data, which is convenient for data export and backup; the device supports a snap-on installation method, which can realize quick installation of the product; and the device meets the requirements of harsh industrial environments.

[0058] The utility model provides a device for measuring the offset of the elastic support shaft of the wind turbine gear box, which can continuously monitor the offset of the elastic support shaft of the gear box and store the data, thereby providing reliable and effective data for subsequent offset analysis.

[0059] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0060] It is not difficult for those skilled in the art to understand that the utility model includes any combination of the utility model content and the specific implementation method part of the above specification and the various parts shown in the drawings. Due to the limited space and to make the specification concise, the various schemes composed of these combinations are not described one by one. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

[0061] Although the embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and cannot be understood as limiting the present invention. Those skilled in the art can change, modify, replace and modify the above embodiments within the scope of the present invention without departing from the principles and purpose of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for measuring the offset of the elastic support shaft of a wind turbine gearbox, characterized in that: The utility model comprises an upper base plate, a lower base plate, a front baffle plate and a rear baffle plate, wherein the upper base plate and the lower base plate are connected by a clamping structure, the front baffle plate is fixedly connected to the upper base plate and the lower base plate by screws, the rear baffle plate is fixedly connected to the upper base plate and the lower base plate by screws, a sensor interface is provided on the front baffle plate, there are several sensor interfaces, each of the sensor interfaces is connected to an eddy current sensor, the upper base plate, the lower base plate, the front baffle plate and the rear baffle plate form a hollow box body in the middle, and a circuit board is provided inside the box body.

2. The device for measuring the offset of the elastic support shaft of a wind turbine gearbox according to claim 1, characterized in that: It also includes a guide rail buckle, which is provided with a mounting hole and is fixedly connected to the lower base plate.

3. The device for measuring the offset of the elastic support shaft of a wind turbine gearbox according to claim 1, characterized in that: The rear baffle is provided with a power interface and a power indicator light, and there are a plurality of the power interface and the power indicator light.

4. A device for measuring the offset of the elastic support shaft of a wind turbine gearbox according to claim 1 or 3, characterized in that: The rear baffle is provided with a debugging interface and a storage card slot.

5. The device for measuring the offset of the elastic support shaft of a wind turbine gearbox according to claim 1, characterized in that: The clamping structure includes a protrusion and a groove, wherein the protrusion is arranged on the upper base plate, and the groove is arranged on the lower base plate, and the protrusion can be just embedded in the groove.

6. The device for measuring the offset of the elastic support shaft of a wind turbine gearbox according to claim 1, characterized in that: A measuring circuit is provided on the circuit board, and the measuring circuit includes a main control circuit, a power supply circuit, a positioning circuit, a network port circuit and a serial port conversion circuit. The main control circuit is connected to the power supply circuit, and the positioning circuit, the network port circuit and the serial port conversion circuit are all connected to the main control circuit and the power supply circuit.

7. The device for measuring the offset of the elastic support shaft of a wind turbine gearbox according to claim 6, characterized in that: The main control circuit includes a main control chip U3 , the main control chip U3 is connected to a first socket J1 and a second socket J2 , and the main control chip U3 is a single chip microcomputer.

8. The device for measuring the offset of the elastic support shaft of a wind turbine gearbox according to claim 6, characterized in that: The power supply circuit includes a first voltage stabilizer U1 and a second voltage stabilizer U2. The first voltage stabilizer U1 is used to stabilize an input voltage of 24V into an output voltage of 5V, and the second voltage stabilizer U2 is used to stabilize an input voltage of 5V into an output voltage of 3.3V.

9. The device for measuring the offset of the elastic support shaft of a wind turbine gearbox according to claim 6, characterized in that: The network port circuit includes an Ethernet transparent transmission module MK2, which is powered by a 3.3V voltage. The Ethernet transparent transmission module MK2 is connected to the main control circuit via a DIP switch SW1.

10. A device for measuring the offset of the elastic support shaft of a wind turbine gearbox according to any one of claims 6 to 9, characterized in that: The serial port conversion circuit includes an RS-232 to TTL chip U4 and a fourth socket. The RS-232 to TTL chip U4 is connected to the main control circuit, and the fourth socket is connected to the RS-232 to TTL chip U4.

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