Auxiliary coaxial centering device for power station unit

Abstract

The utility model relates to the technical field of power station units, and discloses a power station unit auxiliary coaxial centering device which comprises a bracket, an engine support, an auxiliary coaxial centering support and a unit support are arranged on the bracket, the engine support is arranged at one end of the bracket, and the unit support is arranged at the other end of the bracket. The auxiliary coaxial centering support is arranged between the engine support and the unit support, an auxiliary coaxial lining is arranged on the auxiliary coaxial centering support, telescopic air cylinders are connected to the lower portion of the auxiliary coaxial centering support and the lower portion of the unit support, and the auxiliary coaxial centering support and the unit support can horizontally move on the bracket. The auxiliary coaxial bushing is arranged, the front-end engine and the rear-end matching unit can be directly connected through position adjustment, a connecting shaft is not needed, a measuring instrument is not needed for measurement, operation is simple, and therefore the situation that centering and fixing cannot be achieved due to misoperation is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of power station units, in particular to an auxiliary coaxial centering device for power station units. Background Art

[0002] The power station unit includes a front-end engine and a rear-end supporting unit. At present, the connection between the two is through the flywheel center rolling bearing on the engine and the connecting shaft on the unit, and then fastened with fixing bolts. During the assembly process, it is necessary to use an instrument to measure the coaxiality of the connecting shaft. The operation is relatively cumbersome, and the connecting shaft may not be coaxial due to inaccurate coaxiality measurement, resulting in false fixation or inability to center fixation. Utility Model Content

[0003] The technical problem to be solved by the utility model is that the existing power station units are complicated to install and are prone to false fixation or failure to fix in the center.

[0004] In order to solve the above technical problems, the technical solution of the utility model is to provide an auxiliary coaxial centering device for a power station unit, comprising a bracket, on which an engine support, an auxiliary coaxial centering bracket and a unit support are provided, the engine support is arranged at one end of the bracket, the unit support is arranged at the other end of the bracket, the auxiliary coaxial centering bracket is arranged between the engine support and the unit support, the auxiliary coaxial centering bracket is provided with an open auxiliary coaxial bushing, and the opening of the auxiliary coaxial bushing faces the auxiliary coaxial centering bracket and the unit support, the auxiliary coaxial centering bracket and the unit support are both connected with a telescopic cylinder below, and the auxiliary coaxial centering bracket and the unit support can move horizontally on the bracket.

[0005] Optionally, the support includes an engine front support and an engine rear support, the engine front support is arranged at one end of the bracket, the engine rear support is located on the inner side of the engine front support and is located on the same straight line as the engine front support, and the auxiliary coaxial centering bracket is arranged between the engine rear support and the unit support.

[0006] Optionally, the auxiliary coaxial bushing is an elastic thin sheet made of 1Cr17Ni7, with screw holes at both ends and adjusting screws in the screw holes.

[0007] Optionally, a spring is provided on the adjusting screw, and an elastic arc-shaped lining is provided on one end of the auxiliary coaxial bushing.

[0008] In summary, the utility model has at least one of the following beneficial effects:

[0009] 1. The utility model is provided with an auxiliary coaxial bushing, which can directly connect the front engine with the rear supporting unit by position adjustment, without the need for a connecting shaft or measuring instruments, and is easy to operate, thereby avoiding failure to align and fix due to operational errors.

[0010] 2. The utility model sets a screw at the end of the auxiliary coaxial bushing, which can be adjusted according to the size of the engine flywheel disc, and is suitable for the installation of flywheel discs of various sizes. In addition, an arc-shaped bushing is set to prevent the auxiliary coaxial end from scratching the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0012] Figure 2 This is a schematic diagram of the auxiliary coaxial bushing structure of the utility model;

[0013] In the figure: 1. Engine front support; 2. Engine rear support; 3. Auxiliary coaxial alignment bracket; 4. Auxiliary coaxial bushing; 5. Adjustment screw; 6. Unit support; 7. Bracket; 8. Elastic arc lining; 9. Spring. DETAILED DESCRIPTION

[0014] The following combination Figure 1-2 The utility model is described in further detail.

[0015] The utility model discloses an auxiliary coaxial centering device for a power station unit, referring to Figure 1 , including a bracket 7, on which an engine support, an auxiliary coaxial centering bracket 3 and a unit support 6 are provided, the engine support is arranged at one end of the bracket 7, the unit support 6 is arranged at the other end of the bracket 7, the auxiliary coaxial centering bracket 3 is arranged between the engine support and the unit support 6, the auxiliary coaxial centering bracket 3 is provided with an open auxiliary coaxial bushing 4, and the opening of the auxiliary coaxial bushing 4 faces the auxiliary coaxial centering bracket 3 and the unit support 6, the auxiliary coaxial centering bracket 3 and the unit support 6 are connected with telescopic cylinders below, and the auxiliary coaxial centering bracket 3 and the unit support 6 can move horizontally on the bracket 7.

[0016] In a further embodiment, the support includes an engine front support 1 and an engine rear support 2, the engine front support 1 is arranged at one end of the bracket 7, the engine rear support 2 is located on the inner side of the engine front support 1 and is located on the same straight line as the engine front support 1, and the auxiliary coaxial centering bracket 3 is arranged between the engine rear support 2 and the unit support 6.

[0017] In a further embodiment, referring to Figure 2The auxiliary coaxial bushing 4 is an elastic thin sheet made of 1Cr17Ni7, with screw holes at both ends, an adjusting screw 5 in the screw hole, a spring 9 on the adjusting screw 5, and an elastic arc-shaped lining 8 at one end of the auxiliary coaxial bushing 4. The elastic arc-shaped lining 8 can prevent the auxiliary coaxial bushing 4 from scratching the equipment during adjustment, and can avoid deformation of the coaxial bushing 4 and maintain roundness.

[0018] When the utility model is in use, the engine is assembled on the engine front support 1 and the engine rear support 2 for support, the flywheel disc side of the engine is facing the auxiliary coaxial bushing 4 and fastened by bolts, and then the auxiliary coaxial centering bracket 3 is adjusted up, down, left, right, front and back, and the auxiliary coaxial bushing 4 is sleeved on the flywheel disc, and then the adjusting screw 5 is tightened to make the auxiliary coaxial bushing 4 tightly hold the outer ring of the flywheel disc to form a concentric axis together, and then the unit is installed on the unit support 6, and the flange stop disc protruding from the front end surface of the unit is facing the auxiliary coaxial bushing 4, and the height and position of the unit support 6 are adjusted until the stop of the flange stop disc of the unit is inserted into the auxiliary coaxial bushing 4, and then the adjusting screw 5 is released, and the auxiliary coaxial bushing 4 is opened. At this time, the engine and the unit are fully fixed and coaxial. Based on this, the unit spline shaft and the flywheel disc bearing can be installed.

[0019] The utility model is provided with an auxiliary coaxial bushing 4, which can directly connect the front-end engine and the rear-end supporting unit through position adjustment. No connecting shaft is required, and no measuring instrument is required for measurement. The operation is simple, thus avoiding operational errors that lead to failure to center and fix. Screws are set at the end of the auxiliary coaxial bushing 4, which can be adjusted according to the size of the engine flywheel disc. It is suitable for the installation of flywheel discs of various sizes, saving costs.

[0020] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model is described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A power station unit auxiliary coaxial alignment device, characterized in that: The invention comprises a bracket (7), wherein an engine support, an auxiliary coaxial centering bracket (3) and a unit support (6) are arranged on the bracket (7), wherein the engine support is arranged at one end of the bracket (7), and the unit support (6) is arranged at the other end of the bracket (7), wherein the auxiliary coaxial centering bracket (3) is arranged between the engine support and the unit support (6), wherein an auxiliary coaxial centering bracket (3) is provided with an opening auxiliary coaxial bushing (4), and the opening of the auxiliary coaxial bushing (4) faces the auxiliary coaxial centering bracket (3) and the unit support (6), wherein telescopic cylinders are connected below the auxiliary coaxial centering bracket (3) and the unit support (6), and the auxiliary coaxial centering bracket (3) and the unit support (6) can move horizontally on the bracket (7).

2. The auxiliary coaxial centering device for power station units according to claim 1, characterized in that: The support comprises an engine front support (1) and an engine rear support (2), wherein the engine front support (1) is arranged at one end of a bracket (7), the engine rear support (2) is located inside the engine front support (1) and is located on the same straight line as the engine front support (1), and the auxiliary coaxial centering bracket (3) is arranged between the engine rear support (2) and the unit support (6).

3. The auxiliary coaxial centering device for power station units according to claim 1, characterized in that: The auxiliary coaxial bushing (4) is an elastic thin sheet made of 1Cr17Ni7, with screw holes at both ends thereof, and adjusting screws (5) are arranged in the screw holes.

4. The auxiliary coaxial centering device for power station units according to claim 3, characterized in that: The adjusting screw (5) is provided with a spring (9), and one end of the auxiliary coaxial bushing (4) is provided with an elastic arc-shaped lining (8).

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