A shaft alignment auxiliary tool and alignment method

Abstract

The present invention discloses a shaft system centering auxiliary tooling and a centering method, comprising a main shaft and a first centering structure, wherein the first centering structure comprises a mounting seat and a transmission belt; a wheel axle parallel to the main shaft is provided in the middle of the mounting seat, and two pairs of rolling elements are arranged in pairs and front and back with the wheel axle as the center on the mounting seat, each pair of rolling elements comprises a first rolling element and a second rolling element, the first rolling element is rotatably arranged on the mounting seat and arranged circumferentially to the left side of the main shaft, and the second rolling element is rotatably arranged on the mounting seat and arranged circumferentially to the right side of the main shaft; a transmission belt is matched and installed on the wheel axle and the main shaft; a bracket is also provided on the mounting seat, and a laser device is installed on the bracket. The shaft system centering auxiliary tooling of the present invention has high centering measurement construction quality, low error and high construction efficiency.

Description

Technical Field

[0001] The invention relates to an auxiliary tool for shipbuilding, in particular to an auxiliary tool for centering a shaft system and a centering method. Background Art

[0002] The shaft alignment structure is to position and install the hydraulic coupling, ensure the safety and reliability of the hydraulic coupling during installation, and not cause damage to the hydraulic coupling. The purpose of shaft alignment is to ensure that the axis lines of the two shaft sections are on the same center line, and to ensure that the offset value and the tortuosity value are within the required range. The shaft sections are restricted by construction conditions before connection and cannot be turned. The existing electronic measuring equipment cannot meet the use requirements. The alignment measurement method generally used in the prior art is: using a knife-edge gauge and a feeler gauge to measure the offset value, and using an inside diameter micrometer to measure the tortuosity value. This alignment measurement method relies on experience and feel, is prone to operating errors, is inefficient, and the data needs to be calculated and reviewed. Moreover, since the adjustment process cannot be monitored, it needs to be adjusted and measured repeatedly, and the construction quality and efficiency are low. Summary of the invention

[0003] The purpose of the present invention is to overcome the shortcomings of the prior art and provide a shaft system centering auxiliary tooling that can solve the technical problem: the centering measurement method of the prior art has low construction quality, high error and low construction efficiency; another purpose of the present invention is to provide a centering method.

[0004] In order to achieve the above-mentioned object, the present invention provides a shaft system centering auxiliary tool, comprising a main shaft and a first centering structure, wherein the first centering structure comprises a mounting seat and a transmission belt;

[0005] A wheel axle parallel to the main shaft is provided in the middle of the mounting seat, and two pairs of rolling elements are arranged in pairs on the mounting seat with the wheel axle as the center and in front and back, each pair of the rolling elements includes a first rolling element and a second rolling element, the first rolling element is rotatably arranged on the mounting seat and arranged circumferentially to the left side of the main shaft, and the second rolling element is rotatably arranged on the mounting seat and arranged circumferentially to the right side of the main shaft;

[0006] The transmission belt is matched and installed on the wheel axle and the main shaft;

[0007] The mounting seat is also provided with a bracket, and the laser equipment is installed on the bracket.

[0008] As a preferred embodiment, two pairs of fixing screws are arranged on the mounting seat along a line parallel to the center line of the wheel axle, each pair of the fixing screws includes a first fixing screw and a second fixing screw, each of the fixing screws is covered with a copper sleeve, the first rolling element is mounted on the outside of the copper sleeve of the first fixing screw, and the second rolling element is mounted on the outside of the copper sleeve of the second fixing screw.

[0009] As a preferred solution, both the first rolling element and the second rolling element are rolling bearings.

[0010] As a preferred solution, the main shaft is further provided with a second centering structure spaced apart from the first centering structure;

[0011] The first centering structure and the second centering structure have the same structure, and both the first centering structure and the second centering structure include a mounting seat, and a bracket is provided on the mounting seat;

[0012] A laser generator is installed on the bracket of the first centering structure, and a laser receiving screen for receiving signals from the laser generator is installed on the bracket of the second centering structure.

[0013] As a preferred solution, a bracket hole is provided on the mounting seat, and a bracket rod of the bracket is installed in the bracket hole.

[0014] A centering method using a shaft centering auxiliary tool comprises the following steps:

[0015] A first centering structure and a second centering structure are installed on the main shaft at intervals;

[0016] A laser generator is installed on the first centering structure, and a laser receiver is installed on the second centering structure;

[0017] Adjust different positions of the first centering structure and the second centering structure on the main shaft, and use the laser generator to send a laser signal to the laser receiver;

[0018] The laser receiver receives the laser signal and calculates the centering data.

[0019] As a preferred solution, the first centering structure and the second centering structure are adjusted to different positions on the main axis, and specifically the positions of the first centering structure and the second centering structure on the main axis are respectively "12 o'clock", "3 o'clock", "6 o'clock" or "9 o'clock" indicated by the clock.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] The shaft system centering auxiliary tooling of the present invention includes a main shaft and a first centering structure, the first centering structure includes a mounting seat and a transmission belt; a wheel axle parallel to the main shaft is provided in the middle of the mounting seat, and two pairs of rolling elements are arranged in pairs and front and back with the wheel axle as the center on the mounting seat, each pair of rolling elements includes a first rolling element and a second rolling element, the first rolling element is rotatably arranged on the mounting seat and arranged circumferentially to the left side of the main shaft, and the second rolling element is rotatably arranged on the mounting seat and arranged circumferentially to the right side of the main shaft; the transmission belt is matched and installed on the wheel axle and the main shaft; a bracket is also provided on the mounting seat, and a laser device is installed on the bracket. The first rolling element and the second rolling element are tangent to the outer contour of the main shaft, so that the first rolling element and the second rolling element can move and rotate along the outer contour of the main shaft. The transmission belt is used to limit the positions of the first rolling element, the second rolling element and the main shaft, so that the first rolling element, the second rolling element and the main shaft are always in a tangent position. A bracket is also provided on the mounting seat, and a laser device is installed on the bracket. The first rolling element and the second rolling element are moved, and the laser device is used to collect data for centering on the main shaft to ultimately assist in the alignment of the main shaft. The entire measurement process of this measurement method relies on laser equipment and centering tooling, avoiding the shortcomings of using experience judgment in the prior art, and can be monitored and adjusted at any time, with high construction quality and efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of the shafting centering auxiliary tooling of the present invention;

[0023] Figure 2 for Figure 1 Schematic diagram of the top view structure.

[0024] In the figure, 1. mounting seat; 2. copper sleeve; 3. rolling bearing; 4. fixing screw; 5. pulley; 6. axle; 7. bracket hole; 8. transmission belt; 9. bracket rod; 10. main shaft. DETAILED DESCRIPTION

[0025] The specific implementation of the present invention is further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0026] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "top", "bottom", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention. It should be understood that the terms "first", "second", etc. are used in the present invention to describe various information, but such information should not be limited to these terms, which are only used to distinguish the same type of information from each other. For example, without departing from the scope of the present invention, the "first" information may also be referred to as the "second" information, and similarly, the "second" information may also be referred to as the "first" information.

[0027] For a preferred embodiment of the shaft alignment auxiliary tooling of the present invention, please refer to Figure 1-Figure 2 As shown, it includes a main shaft 10 and a first centering structure, and the first centering structure includes a mounting seat 1 and a transmission belt 8; a wheel axle 6 parallel to the main shaft 10 is provided in the middle of the mounting seat 1, and two pairs of rolling elements are arranged in pairs and front and back with the wheel axle 6 as the center on the mounting seat 1. The rolling elements in this embodiment are rolling bearings 3, and each pair of rolling elements includes a first rolling element and a second rolling element. The first rolling element is rotatably arranged on the mounting seat 1 and arranged circumferentially to the left side of the main shaft 10, and the second rolling element is rotatably arranged on the mounting seat 1 and arranged circumferentially to the right side of the main shaft 10; the transmission belt 8 is matched and installed on the wheel axle 6 and the main shaft 10; a bracket is also provided on the mounting seat 1, and the bracket has a bracket rod 9, and a laser device is installed on the bracket rod 9. The first roller and the second roller are tangent to the outer contour of the main shaft 10, so that the first roller and the second roller can move and rotate along the outer contour of the main shaft 10. The transmission belt 8 is used to limit the positions of the first roller, the second roller and the main shaft 10, so that the first roller, the second roller and the main shaft 10 are always in a tangent position. At the same time, the first roller, the second roller and the main shaft 10 in the two pairs of rollers are always in a tangent position. In this way, when the first roller and the second roller roll on the outer surface of the main shaft 10, when there is an error on the outer surface of the main shaft 10, it can be transmitted to the bracket set on the mounting seat 1 through the first roller and the second roller. The bracket is installed with a laser device, and the laser device is used to collect data for centering on the main shaft 10, so as to finally assist in the alignment of the main shaft 10. The entire measurement process of this measurement method relies on laser equipment and centering tooling, avoiding the shortcomings of using experience judgment in the prior art, and can be monitored and adjusted at any time, with high construction quality and efficiency.

[0028] Specifically, two pairs of fixing screws 4 are arranged on the mounting seat 1 along a center line parallel to the wheel axle 10, each pair of fixing screws 4 includes a first fixing screw and a second fixing screw, the first fixing screw and the second fixing screw are both covered with a copper sleeve 5, the first rolling element is installed outside the copper sleeve 8 of the first fixing screw, and the second rolling element is installed outside the copper sleeve 5 of the second fixing screw, the first rolling element and the second rolling element both rotate around the copper sleeve 5, the copper sleeve 5 ensures the rotation stability of the first rolling element and the second rolling element, and reduces the friction between the rolling element and the fixing screw 4.

[0029] The first rolling element and the second rolling element are both rolling bearings 3. A bracket hole 7 is provided on the mounting seat 1, and a bracket rod 9 of the bracket is installed in the bracket hole 7.

[0030] Furthermore, in the technical solution of the present application, a second centering structure arranged at intervals from the first centering structure is also provided on the main shaft 10 of the present application; the first centering structure and the second centering structure have the same structure, and both the first centering structure and the second centering structure include a mounting seat 1, and both the mounting seat 1 are provided with a bracket; a laser generator is installed on the bracket of the first centering structure, and a laser receiving screen for receiving the signal of the laser generator is installed on the bracket of the second centering structure. The first centering structure and the second centering structure are moved to make the laser generator send signals at different positions. Specifically, the first centering structure and the second centering structure can be adjusted to the "12 o'clock", "3 o'clock", "6 o'clock" or "9 o'clock" position of the clock, and the laser generator is used to detect data changes while adjusting, and the laser receiver is used to receive signals at different positions to calculate the best centering position of the main shaft.

[0031] An embodiment of a centering method using a shaft centering auxiliary tool comprises the steps of:

[0032] A first centering structure and a second centering structure are installed on the main shaft at intervals;

[0033] A laser generator is installed on the first centering structure, and a laser receiver is installed on the second centering structure;

[0034] Adjust different positions of the first centering structure and the second centering structure on the main shaft, and use the laser generator to send a laser signal to the laser receiver;

[0035] The laser receiver receives the laser signal and calculates the centering data.

[0036] Among them, in the adjustment of the first centering structure and the second centering structure to different positions on the main axis, specifically the positions of the first centering structure and the second centering structure on the main axis are respectively the "12 o'clock", "3 o'clock", "6 o'clock" or "9 o'clock" positions indicated by the clock.

[0037] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and substitutions can be made without departing from the technical principles of the present invention. These improvements and substitutions should also be regarded as the scope of protection of the present invention.

Claims

1. A shaft alignment auxiliary tool, characterized in that: It includes a main shaft and a first centering structure, wherein the first centering structure includes a mounting seat and a transmission belt; A wheel axle parallel to the main shaft is provided in the middle of the mounting seat, and two pairs of rolling elements are arranged in pairs on the mounting seat with the wheel axle as the center and in front and back, each pair of the rolling elements includes a first rolling element and a second rolling element, the first rolling element is rotatably arranged on the mounting seat and arranged circumferentially to the left side of the main shaft, and the second rolling element is rotatably arranged on the mounting seat and arranged circumferentially to the right side of the main shaft; The transmission belt is matched and installed on the wheel axle and the main shaft; The mounting seat is also provided with a bracket, and the bracket is equipped with a laser device; Two pairs of fixing screws are arranged on the mounting seat along a line parallel to the center line of the wheel axle, each pair of the fixing screws includes a first fixing screw and a second fixing screw, each fixing screw is sleeved with a copper sleeve, the first rolling element is mounted outside the copper sleeve of the first fixing screw, and the second rolling element is mounted outside the copper sleeve of the second fixing screw; The main shaft is also provided with a second centering structure spaced apart from the first centering structure; The first centering structure and the second centering structure have the same structure, and both the first centering structure and the second centering structure include a mounting seat, and a bracket is provided on the mounting seat; A laser generator is installed on the bracket of the first centering structure, and a laser receiving screen for receiving signals from the laser generator is installed on the bracket of the second centering structure.

2. The shaft alignment auxiliary tooling according to claim 1, characterized in that: The first rolling element and the second rolling element are both rolling bearings.

3. The shaft alignment auxiliary tooling according to claim 1, characterized in that: The mounting seat is provided with a bracket hole, and the bracket rod of the bracket is installed in the bracket hole.

4. A centering method using the shaft centering auxiliary tooling according to any one of claims 1 to 3, characterized in that: Includes steps: A first centering structure and a second centering structure are installed on the main shaft at intervals; A laser generator is installed on the first centering structure, and a laser receiver is installed on the second centering structure; Adjust different positions of the first centering structure and the second centering structure on the main shaft, and use the laser generator to send a laser signal to the laser receiver; The laser receiver receives the laser signal and calculates the centering data.

5. The centering method according to claim 4, characterized in that: In the adjustment of the first centering structure and the second centering structure to different positions on the main shaft, specifically, the positions of the first centering structure and the second centering structure on the main shaft are respectively "12 o'clock", "3 o'clock", "6 o'clock" or "9 o'clock" positions indicated by the clock.

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