Gear end jump measuring device and working method

Abstract

The invention relates to the field of gear end run-out measurement, and particularly discloses a gear end run-out measuring device and a working method.The gear end run-out measuring device comprises a bottom plate, and the bottom plate is provided with an output shaft long end side supporting unit and an output shaft short end side supporting unit which can move left and right along the bottom plate; height adjusting units are arranged in cavities of the output shaft long-end side supporting unit and the output shaft short-end side supporting unit, the height adjusting units can move up and down in the cavities, and a long-end side ejector pin is arranged in the center of the outer side of the height adjusting unit located in the output shaft long-end side supporting unit; a motor is arranged in the center of the outer side of the height adjusting unit in the output shaft short end side supporting unit, the motor is connected with a clamp penetrating through the height adjusting unit, and the clamp is used for fixing the short end of the output shaft.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of gear end jump measurement, in particular to a gear end jump measurement device and working method. BACKGROUND

[0002] The main function of gear is to transmit motion and power by gear pair, which is the most widely used mechanical transmission in modern devices. It has accurate transmission, high efficiency, compact structure, reliable operation and long service life.

[0003] After the gear is assembled on the output shaft, whether its runout value meets the requirements is very important. If the runout value is unqualified, the gear box will appear abnormal swing and vibration when running after assembly, causing abnormal wear of the bearing.

[0004] Before the gear is assembled into the gear box, it needs to be assembled on the output shaft by heating or cold pressing method. The existing assembly means cannot guarantee that the runout of the gear when assembled on the output shaft is completely qualified, and the existing measurement means completely depends on the proficiency and experience of the operator in measurement. Through test verification, even experienced operators will test the gear box to appear abnormal swing and vibration after measuring the qualified large gear assembly. That is, the existing manual measurement method has low accuracy, which can easily cause the gear box to appear abnormal swing and vibration, and the gear box needs to be disassembled, the gear end jump is aligned, reassembled and tested, causing loss of working hours and materials.

[0005] Therefore, it is necessary to develop a device that can measure the gear end jump. SUMMARY

[0006] The purpose of the present application is to provide a gear end jump measurement device and working method.

[0007] To achieve the above purpose, the technical solution adopted by the present application is as follows: A gear end jump measurement device, comprising a bottom plate, the bottom plate is provided with an output shaft long end side support unit and an output shaft short end side support unit which can move left and right along the bottom plate, a height adjusting unit is arranged in the cavity of the output shaft long end side support unit and the output shaft short end side support unit, the height adjusting unit can move up and down in the cavity, a long end side thimble is arranged on the outside center of the height adjusting unit in the output shaft long end side support unit, a motor is arranged on the outside center of the height adjusting unit in the output shaft short end side support unit, the motor is connected with a clamp which passes through the height adjusting unit, and the clamp is used to fix the short end of the output shaft.

[0008] Among them, one side of the bottom plate is provided with a distance sensor support, and a distance sensor is arranged on the top of the distance sensor support.

[0009] The distance sensor is aligned with the end of the large gear.

[0010] The side surface of the output shaft long end side support unit and the output shaft short end side support unit is provided with a fastener, and the height adjusting unit and the output shaft long end side support unit or the output shaft short end side support unit are fixed to each other through the fastener.

[0011] The bottom of the output shaft long end side support unit and the output shaft short end side support unit is provided with a fastener on both sides, and the output shaft long end side support unit and the output shaft short end side support unit are fixed to the side surface of the bottom plate through the fastener.

[0012] The bottom of the bottom plate is provided with an adjustable support base at four corners.

[0013] The working method of the gear end jump measuring device is as follows: the distance sensor, the motor and the controller are connected, the controller sends an instruction, the motor rotates, and then drives the output shaft and the large gear to rotate, and the value of the distance sensor is recorded, and the difference between the maximum value and the minimum value is the jump value.

[0014] Compared with the prior art, the outstanding effect of the present application is that: Compared with the traditional manual test method, the gear end jump measuring device can quickly and accurately measure the gear end jump, find the output shaft and the large gear with abnormal jump value, and immediately isolate them, and re-align the end jump, so as to avoid assembling the large gear with end jump problem, eliminate the abnormal swing and vibration of the gear box caused by the end jump problem of the large gear, and cause abnormal wear of the bearing; eliminate the waste of additional working hours and materials caused by disassembly, reassembly and testing of the gear box caused by the end jump problem of the large gear.

[0015] The gear end jump measuring device and the working method thereof will be further described below in combination with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the gear end jump measuring device.

[0017] Among them, 1 is an adjustable support base, 2 is a bottom plate, 3 is an output shaft long end side support unit, 4 is a height adjusting unit, 5 is a distance sensor support, 6 is a distance sensor, 7 is a motor, 8 is a clamp, 9 is a long end side thimble, 10 is a large gear, 11 is an output shaft, 12 is an output shaft short end side support unit. DETAILED DESCRIPTION

[0018] As Figure 1As shown, a gear end jump measuring device includes a base plate 2, the base plate 2 is provided with an output shaft long end side support unit 3 and an output shaft short end side support unit 12 which can move left and right along the base plate 2, the cavity of the output shaft long end side support unit 3 and the output shaft short end side support unit 12 is provided with a height adjusting unit 4, the height adjusting unit 4 can move up and down in the cavity, the outside central of the height adjusting unit 4 in the output shaft long end side support unit 3 is provided with a long end side thimble 9, the outside central of the height adjusting unit 4 in the output shaft short end side support unit 12 is provided with a motor 7, the motor 7 is connected with a clamp 8 which passes through the height adjusting unit 4, the clamp 8 is used to fix the short end of the output shaft 11.

[0019] The motor 7 is fixed to the height adjusting unit 4 in the output shaft short end side support unit 12 by bolts, the rotation of the motor 7 can drive the rotation of the output shaft 11 and the large gear 10. One end of the clamp 8 is fixed to the rotor of the motor 7, and the other end is connected with the output shaft 11 by bolts. The long end side thimble 9 is used to fix the output shaft.

[0020] One side of the base plate 2 is provided with a distance sensor support 5, the top of the distance sensor support 5 is provided with a distance sensor 6, which can monitor the distance change during the rotation of the large gear. Among them, the distance sensor support 5 can be adjusted up and down, left and right, so that the distance sensor is aligned with the end of the large gear.

[0021] The side surface of the output shaft long end side support unit 3 and the output shaft short end side support unit 12 is provided with a fastener, which can fix the height adjusting unit 4 with the output shaft long end side support unit 3 or the output shaft short end side support unit 12.

[0022] The bottom of the output shaft long end side support unit 3 and the output shaft short end side support unit 12 is provided with a fastener on both sides, which can fix the output shaft long end side support unit 3 and the output shaft short end side support unit 12 with the side of the base plate 2.

[0023] The bottom of the base plate 2 is provided with four adjustable support bases 1, by adjusting the height of the four bases, the whole device can be kept in a horizontal state.

[0024] The working method of the gear end jump measuring device is as follows: (1) Place the level on the gear end jump measuring device, and confirm whether it is horizontal as a whole. If it is not horizontal, the height of the four adjustable support bases needs to be adjusted until it is horizontal.

[0025] (2) Connect the distance sensor, motor and controller together.

[0026] (3) First use of the crane to output shaft and gear whole hoisted to the end of the measuring device in the middle, using a long end side of the pin 9 and short end side of the fixture 8 to output shaft fixed to the gear end jump measuring device.

[0027] (4) Adjust the distance sensor support 5, so that the distance sensor 6 is opposite the gear side.

[0028] (5) Start the controller, motor driven fixture 8, fixture 8 driven output shaft and gear slowly rotate a circle, while the distance sensor records the relative distance between the output shaft and gear during a circle. The difference between the maximum and minimum value is the runout.

[0029] Measurement example:

[0030] The above-described embodiments are merely to describe the preferred embodiments of the present application, and not to limit the scope of the present application, without departing from the design spirit of the present application, the person skilled in the art to the technical solutions of the present application made various modifications and improvements, should fall within the scope of the claims of the present application to determine the protection range.

Claims

1. A gear end jump measuring device characterized by: The application relates to a device for measuring the runout of an output shaft, which comprises a base plate (2) provided with an output shaft long end side supporting unit (3) and an output shaft short end side supporting unit (12) capable of moving left and right on the base plate (2), a height adjusting unit (4) arranged in the cavity of the output shaft long end side supporting unit (3) and the output shaft short end side supporting unit (12), the height adjusting unit (4) being capable of moving up and down in the cavity, a long end side thimble (9) arranged on the outside of the height adjusting unit (4) in the output shaft long end side supporting unit (3), a motor (7) arranged on the outside of the height adjusting unit (4) in the output shaft short end side supporting unit (12), the motor (7) being connected with a clamp (8) penetrating through the height adjusting unit (4), and the clamp (8) being used for fixing the short end of an output shaft (11).

2. The gear end jump measurement device of claim 1, wherein: One side of the base plate (2) is provided with a distance sensor support (5), and the top of the distance sensor support (5) is provided with a distance sensor (6).

3. The gear end jump measurement device of claim 2, wherein: The distance sensor (6) is aligned with the end of a large gear (10).

4. The gear end jump measurement device of claim 3, wherein: The side of the output shaft long end side supporting unit (3) and the output shaft short end side supporting unit (12) is provided with a fastener, the height adjusting unit (4) can be fixed with the output shaft long end side supporting unit (3) or the output shaft short end side supporting unit (12) through the fastener.

5. The gear end jump measuring device of claim 4, wherein: The bottom of the output shaft long end side supporting unit (3) and the output shaft short end side supporting unit (12) is provided with a fastener on both sides, the output shaft long end side supporting unit (3) and the output shaft short end side supporting unit (12) can be fixed with the side of the base plate (2) through the fastener.

6. The gear end jump measurement device of claim 5, wherein: The bottom of the base plate (2) is provided with an adjustable supporting base (1) at four corners.

7. The method of operating a gear end jump measuring device according to any one of claims 1-6, characterized in that: The distance sensor, the motor and the controller are connected, the motor is driven to rotate through the controller, the output shaft and the large gear are driven to rotate, the value of the distance sensor is recorded, and the difference between the maximum value and the minimum value of the distance sensor is the runout.

Images