Generator assembly coaxiality detection tool

Abstract

The utility model discloses a coaxiality detection tool for generator assembly, belongs to the technical field of generator unit assembly, and solves the problem of low detection precision caused by the existing static detection of the coaxiality between a coupler and an engine main shaft. The device comprises a clamping device and a dial indicator, the clamping device comprises two positioning assemblies, each positioning assembly comprises an L-shaped plate and an arc-shaped plate, the L-shaped plate is fixed on the outer wall of the arc-shaped plate, two ends of the arc-shaped plate are provided with connecting plates, the corresponding connecting plates between the two positioning assemblies are connected through screws, and the L-shaped plate is fixed on the outer wall of the arc-shaped plate. And the dial indicator is detachably mounted at one end, far away from the arc-shaped plate, of the L-shaped plate. The generator assembly coaxiality detection tool can detect the coaxiality between the coupling and the engine main shaft in a dynamic condition, and the detection precision is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of generator set assembly, and more specifically, to a generator assembly coaxiality detection tool. Background Art

[0002] A generator set is a complete set of mechanical equipment that converts other forms of energy into electrical energy. It consists of a power system, control system, silencer system, shock absorption system, and exhaust system. It is driven by a turbine, steam turbine, diesel engine or other power machinery. It converts the energy generated by water flow, air flow, fuel combustion or nuclear fission into mechanical energy and transmits it to the generator, which then converts it into electrical energy and outputs it to electrical equipment for use.

[0003] During the assembly process of the generator set, it is often necessary to detect the coaxiality of some parts. For example, after the coupling is installed on the engine main shaft, the coaxiality between the coupling and the engine main shaft needs to be detected. The traditional method for detecting the coaxiality of these parts is to use a vernier caliper to take three points on the outer wall of the coupling, measure their distances relative to the engine main shaft respectively, and then determine whether the three distance values ​​are within the standard range. This measurement method is a static detection and has low measurement accuracy.

[0004] Therefore, it is urgent to design a generator assembly coaxiality detection tool to solve the above problems. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a generator assembly coaxiality detection tool for the above-mentioned deficiencies in the prior art, which can detect the coaxiality between the coupling and the engine main shaft under dynamic conditions with higher detection accuracy.

[0006] The technical solution of the utility model is as follows: a generator assembly coaxiality detection tool, including a clamping device and a dial indicator, the clamping device includes two positioning components, each of the positioning components includes an L-shaped plate and an arc plate, the L-shaped plate is fixed on the outer wall of the arc plate, and connecting plates are provided at both ends of the arc plate. The corresponding connecting plates between the two positioning components are connected by screws, and the dial indicator is detachably installed at one end of the L-shaped plate away from the arc plate.

[0007] As a further improvement, the detection tooling also includes a magnetic base, a mounting rod is provided on one side of the magnetic base, the dial indicator is mounted on the mounting rod, the L-shaped plate is made of iron, and the magnetic base is adsorbed and fixed on the L-shaped plate.

[0008] Furthermore, the width of the L-shaped plate at one end close to the dial indicator is greater than the width at one end close to the arc-shaped plate.

[0009] Furthermore, a through hole is provided on the connecting plate corresponding to one of the arc-shaped plates, and a threaded hole is provided on the connecting plate corresponding to the other arc-shaped plate, and the screw passes through the through hole and is threadedly connected to the threaded hole.

[0010] Furthermore, the thickness of the L-shaped plate and the arc-shaped plate are both 10 mm.

[0011] Furthermore, a section of the rod of the L-shaped plate close to the arc-shaped plate is a telescopic rod.

[0012] Beneficial Effects

[0013] Compared with the prior art, the utility model has the following advantages:

[0014] The generator assembly coaxiality detection tool of the utility model is provided with a clamping device and a dial indicator. During detection, the tool is positioned on the engine main shaft. By rotating the engine main shaft, the tool and the dial indicator are rotated along with the engine main shaft, and the rotation of the engine main shaft relative to the coupling is truly simulated, thereby detecting the coaxiality between the coupling and the engine main shaft under dynamic conditions, with higher detection accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the three-dimensional structure of the clamping device in the utility model;

[0017] Figure 3 This is a schematic diagram of the main structure of the utility model when it is used;

[0018] Figure 4 It is a side view structural schematic diagram of the utility model when it is applied.

[0019] Among them: 1-arc plate, 2-connecting plate, 3-L-shaped plate, 4-dial indicator, 5-positioning assembly, 6-engine main shaft, 7-screw, 8-magnetic seat, 9-mounting rod, 10-coupling. DETAILED DESCRIPTION

[0020] The present invention will be further described below with reference to the specific embodiments in the accompanying drawings.

[0021] See also Figure 1-4The utility model discloses a coaxiality detection tool for generator assembly, comprising a clamping device and a dial indicator 4, wherein the clamping device comprises two positioning components 5, each positioning component 5 comprises an L-shaped plate 3 and an arc plate 1, the L-shaped plate 3 is fixed on the outer wall of the arc plate 1, and the L-shaped plate 3 is perpendicular to the arc plate 1, connecting plates 2 are provided at both ends of the arc plate 1, and the connecting plates 2 and the arc plate 1 are an integrated structure, the corresponding connecting plates 2 between the two positioning components 5 are connected by screws 7, which is convenient for clamping them on the engine main shaft 6, and the dial indicator 4 is detachably installed at one end of the L-shaped plate 3 away from the arc plate 1, and the detachable installation of the dial indicator 4 is convenient for disassembly, storage and storage.

[0022] The utility model of the generator assembly coaxiality detection tooling, by setting a clamping device and a dial indicator 4, during detection, two positioning components 5 are respectively clamped on the engine main shaft 6, and then the two positioning components 5 are fastened and connected with screws 7, so that the clamping device is tightly fixed on the engine main shaft 6, and the dial indicator 4 is installed on one of the L-shaped plates 3, and the probe of the dial indicator 4 points to the outer wall of the coupling 10 and fits with it; then the engine main shaft 6 is rotated (the engine main shaft 6 can be driven to rotate by rotating the L-shaped plate, and the operation is more convenient), the tooling and the dial indicator 4 rotate with the engine main shaft 6, and the coupling 10 does not rotate, and then it can be checked whether the pointer jump of the dial indicator 4 is within the standard range, and the detection work is completed. The tooling can be fixed on the engine main shaft 6, and truly simulates the situation where the engine main shaft rotates relative to the coupling, so as to detect the coaxiality between the coupling 10 and the engine main shaft 6 in a dynamic state, and the detection accuracy is higher.

[0023] Preferably, the detection tooling also includes a magnetic base 8, a mounting rod 9 is provided on one side of the magnetic base 8, the dial indicator 4 is mounted on the mounting rod 9, the L-shaped plate 3 is made of iron, and the magnetic base 8 is adsorbed and fixed on the L-shaped plate 3. During the detection, the magnetic base 8 is directly placed on the L-shaped plate 3, and the switch of the magnetic base 8 is turned on, so that the magnetic base 8 and the dial indicator 4 can be fixed on the L-shaped plate 3 together, so as to achieve quick installation and convenient disassembly and assembly; and the position of the dial indicator 4 can also be moved in any direction, so as to better point the probe to the outer wall of the coupling 10, which is more convenient to use.

[0024] Preferably, the width of the L-shaped plate 3 near the dial indicator 4 is greater than the width near the arc-shaped plate 1 , thereby increasing the area of ​​the L-shaped plate 3 near the dial indicator 4 and facilitating the installation and movement of the magnetic base 8 .

[0025] Preferably, a through hole is provided on the connecting plate 2 corresponding to one of the arc-shaped plates 1, and a threaded hole is provided on the connecting plate 2 corresponding to the other arc-shaped plate 1, and the screw 7 passes through the through hole and is threadedly connected with the threaded hole to realize the detachable connection of the two positioning components 5. Furthermore, the thickness of the L-shaped plate 3 and the arc-shaped plate 1 are both 10 mm to ensure the structural strength of the tooling.

[0026] Preferably, a section of the rod of the L-shaped plate 3 close to the arc-shaped plate 1 is a telescopic rod. Specifically, the telescopic rod may include a slide rod and a sleeve, the slide rod is slidably inserted in the sleeve, and the sleeve is screwed with a reverse screw. When adjusting, the reverse screw is loosened and the slide rod is moved to adjust the height of the L-shaped plate 3. The section of the rod of the L-shaped plate 3 close to the arc-shaped plate 1 is in the form of a telescopic rod, which can adjust the radial position of the dial indicator 4, and can detect the coaxiality of couplings 10 of different diameters, and has a wider range of applications.

[0027] The above is only a preferred embodiment of the present invention. It should be pointed out that for those skilled in the art, several modifications and improvements can be made without departing from the structure of the present invention, which will not affect the effect of the implementation of the present invention and the practicality of the patent.

Claims

1. A generator assembly coaxiality detection tool, characterized in that: The invention comprises a clamping device and a dial indicator (4), wherein the clamping device comprises two positioning components (5), each of the positioning components (5) comprises an L-shaped plate (3) and an arc-shaped plate (1), the L-shaped plate (3) is fixed on the outer wall of the arc-shaped plate (1), connecting plates (2) are provided at both ends of the arc-shaped plate (1), the corresponding connecting plates (2) between the two positioning components (5) are connected by screws (7), and the dial indicator (4) is detachably mounted on one end of the L-shaped plate (3) away from the arc-shaped plate (1).

2. A generator assembly coaxiality detection tool according to claim 1, characterized in that: The detection tooling also includes a magnetic base (8), a mounting rod (9) is provided on one side of the magnetic base (8), the dial indicator (4) is mounted on the mounting rod (9), the L-shaped plate (3) is made of iron, and the magnetic base (8) is adsorbed and fixed on the L-shaped plate (3).

3. A generator assembly coaxiality detection tool according to claim 2, characterized in that: The width of the L-shaped plate (3) at one end close to the dial indicator (4) is greater than the width of the end close to the arc-shaped plate (1).

4. A generator assembly coaxiality detection tool according to claim 1, characterized in that: A through hole is provided on the connecting plate (2) corresponding to one of the arc-shaped plates (1), and a threaded hole is provided on the connecting plate (2) corresponding to the other arc-shaped plate (1), and the screw (7) passes through the through hole and is threadedly connected to the threaded hole.

5. The generator assembly coaxiality detection tool according to claim 1, characterized in that: The thickness of the L-shaped plate (3) and the arc-shaped plate (1) are both 10 mm.

6. A generator assembly coaxiality detection tool according to any one of claims 1 to 5, characterized in that: A section of the L-shaped plate (3) close to the arc-shaped plate (1) is a telescopic rod.

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