Fixing support for throw sensor of water-turbine generator set

Abstract

The utility model discloses a fixing support for a throw sensor of a water-turbine generator set. The fixing support comprises a rotating shaft; the bearing assembly comprises an arc-shaped sleeve and a bearing block; the adjusting assembly comprises a top plate, a throw sensor main body, a screw rod, a through hole and a first nut; an arc-shaped sleeve is movably connected to the outer ring of the rotating shaft, a screw rod is fixedly installed at the bottom of the bearing block, a throw sensor body is arranged at the bottom of the top plate, a through hole is formed in the middle of the top plate in a penetrating mode, the screw rod movably penetrates through the through hole, and a first nut is connected to the screw rod. The problems that an existing support for installing a throw sensor is usually directly and fixedly welded to a rotating shaft, the angle of the throw sensor needs to be adjusted according to the use environment in the actual use process, and an existing fixed installation mode is inconvenient to adjust the angle; and the support needs to be cut and dismantled when the bearing is dismantled during unit maintenance, then welding and fixing need to be conducted again, and the workload is greatly increased.

Description

Technical Field

[0001] The utility model relates to the technical field of pendulum sensor installation, in particular to a fixing bracket for a pendulum sensor of a hydro-generator set. Background Art

[0002] During operation, the hydro-turbine generator set is affected by mechanical, hydraulic, electrical and cavitation factors, and it is inevitable that the unit will produce a certain amount of swing. At the same time, the swing parameter is an important parameter reflecting the operation of the hydro-turbine generator set, so a swing sensor is needed for monitoring.

[0003] However, it still has the following disadvantages in actual use:

[0004] The bracket for installing the existing swing sensor is usually directly fixed and welded on the rotating shaft. However, the swing sensor needs to adjust the angle according to the use environment during actual use. The existing fixed installation method is not convenient for angle adjustment. Moreover, when the unit is overhauled and the bearing is disassembled, the bracket needs to be cut and removed, and then it needs to be re-welded and fixed, which greatly increases the workload. Utility Model Content

[0005] The purpose of the utility model is to provide a fixing bracket for the swing sensor of a hydro-turbine generator set, so as to solve the problem raised in the above-mentioned background technology that the bracket for installing the existing swing sensor is usually directly fixed and welded on the rotating shaft, and the swing sensor needs to adjust the angle according to the use environment during actual use, and the existing fixed installation method is not convenient for angle adjustment; and when the unit is overhauled and disassembled for bearings, the bracket needs to be cut and removed, and then it needs to be re-welded and fixed, which greatly increases the workload.

[0006] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] The utility model is a fixing bracket for a swing sensor of a hydro-generator set, comprising:

[0008] Rotating shaft;

[0009] A receiving assembly, the receiving assembly comprising an arc-shaped sleeve and a receiving block;

[0010] An adjusting component, the adjusting component comprising a top plate, a swing sensor body, a screw rod, a through hole and a first nut;

[0011] The outer ring of the rotating shaft is movably connected to the arc sleeve, the bottom of the arc sleeve is fixedly connected to the receiving block, the bottom of the receiving block is fixedly installed with a screw rod, the bottom of the receiving block is provided with a top plate, the bottom of the top plate is provided with a swing sensor body, a through hole is penetrated through the middle of the top plate, the screw rod is movably inserted into the through hole, and the screw rod is connected to a first nut.

[0012] Furthermore, the diameter of the through hole is larger than the diameter of the screw rod.

[0013] Furthermore, the adjustment assembly also includes a side plate, a hydraulic device, a hydraulic cylinder and an arc-shaped clamping plate;

[0014] The top plate is fixedly connected to the side plates at both sides, a hydraulic press is fixedly installed in the middle of the side plates, a hydraulic press is fixedly connected to a hydraulic cylinder at the side of the hydraulic press, and a curved clamping plate is fixedly connected to the side of the hydraulic cylinder.

[0015] Furthermore, the adjustment assembly also includes a bottom plate;

[0016] The bottoms of the side plates are fixedly connected to the bottom plate.

[0017] Furthermore, the adjustment assembly also includes an arc-shaped placement slot;

[0018] An arc-shaped placement groove is arranged in the middle of the top end of the bottom plate.

[0019] Further, it also includes installing and removing components;

[0020] The installation and disassembly assembly includes a metal plate, a mounting hole, a butterfly screw and a second nut;

[0021] The openings at both ends of the arc-shaped sleeve are fixedly connected to a metal plate, mounting holes are formed through both ends of the metal plate, butterfly screws are inserted between the mounting holes, and the butterfly screws are connected to a second nut.

[0022] Compared with the prior art, the advantages of the present invention are:

[0023] The utility model has a top plate at the bottom of the receiving block, a swing sensor body at the bottom of the top plate, a through hole is formed in the middle of the top plate, a screw rod is movably inserted through the through hole, and a first nut is connected to the screw rod. The above components are used in coordination to realize rotation adjustment of the top plate, thereby driving the swing sensor body to rotate, so that the angle can be adjusted according to the use environment, thereby improving the applicability of the device.

[0024] Based on the above beneficial effects, metal plates are fixedly connected at the openings at both ends of the arc sleeve, mounting holes are opened through both ends of the metal plate, and butterfly screws are inserted between the mounting holes. At the same time, a second nut is connected to the butterfly screw. The above components are used in combination to move the installation position of the arc sleeve on the rotating shaft, so that the swing sensor body can be moved horizontally, and the installation and disassembly of the arc sleeve is convenient, so that it can be disassembled during unit maintenance, and it is convenient for later installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0026] Figure 1 It is an overall schematic diagram of the utility model;

[0027] Figure 2 This is a schematic diagram of the connection of the arc-shaped clamping plate of the utility model;

[0028] Figure 3 It is a schematic diagram of the installation and disassembly of the arc sleeve of the utility model.

[0029] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0030] 101, rotating shaft;

[0031] 201, arc sleeve; 202, receiving block;

[0032] 301, top plate; 302, swing sensor body; 303, screw rod; 304, through hole; 305, first nut; 306, side plate; 307, hydraulic pressure; 308, hydraulic cylinder; 309, arc-shaped clamping plate; 3010, bottom plate; 3011, arc-shaped placement groove;

[0033] 401, metal plate; 402, mounting hole; 403, butterfly screw; 404, second nut. DETAILED DESCRIPTION

[0034] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0035] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific implementation methods disclosed below.

[0036] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0037] See also Figure 1-3 As shown, this embodiment is a fixing bracket for a hydro-generator set swing sensor, comprising:

[0038] Rotating shaft 101;

[0039] A receiving assembly, the receiving assembly comprises an arc sleeve 201 and a receiving block 202;

[0040] The arc sleeve 201 and the receiving block 202 cooperate to receive the rotating shaft 101 and the swing sensor body 302;

[0041] An adjustment component, the adjustment component includes a top plate 301, a swing sensor body 302, a screw rod 303, a through hole 304 and a first nut 305;

[0042] The outer ring of the rotating shaft 101 is movably connected to the arc sleeve 201, the bottom of the arc sleeve 201 is fixedly connected to the receiving block 202, the bottom of the receiving block 202 is fixedly installed with a screw rod 303, the bottom of the receiving block 202 is provided with a top plate 301, the bottom of the top plate 301 is provided with a swing sensor body 302, the middle of the top plate 301 is penetrated by a through hole 304, the screw rod 303 is movably inserted into the through hole 304, and the screw rod 303 is connected with a first nut 305;

[0043] The top plate 301 is provided to provide a carrier for the opening of the through hole 304, the screw rod 303 is provided to provide a guarantee for the rotation of the top plate 301, and the first nut 305 is provided to fix the top plate 301 after it is rotated;

[0044] The diameter of the through hole 304 is larger than the diameter of the screw rod 303;

[0045] The size setting of the above components can ensure the smooth rotation of the top plate 301;

[0046] The adjustment assembly also includes a side plate 306, a hydraulic device 307, a hydraulic cylinder 308 and an arc-shaped clamping plate 309;

[0047] The top plate 301 is fixedly connected to the side plates 306 on both sides, a hydraulic press 307 is fixedly installed in the middle of the side plates 306, a hydraulic press 307 is fixedly connected to the hydraulic cylinder 308 on the side, and an arc-shaped clamping plate 309 is fixedly connected to the hydraulic cylinder 308 on the side;

[0048] The side plate 306 is provided to ensure the installation of the hydraulic device 307. The hydraulic device 307 can provide kinetic energy for the extension and contraction of the hydraulic cylinder 308. The arc-shaped clamping plate 309 is provided to better fit the side of the swing sensor body 302.

[0049] The adjustment assembly also includes a base plate 3010;

[0050] The bottom of the side plates 306 are fixedly connected to the bottom plate 3010;

[0051] The bottom plate 3010 serves to support the swing sensor body 302;

[0052] The adjustment component also includes an arc-shaped placement slot 3011;

[0053] An arc-shaped placement groove 3011 is provided in the middle of the top of the bottom plate 3010;

[0054] The arc-shaped placement groove 3011 can better fit the bottom of the swing sensor body 302;

[0055] Working principle: The arc sleeve 201 is placed on the outside of the rotating shaft 101, and the swing sensor body 302 is placed on the top of the bottom plate 3010 and located at the arc placement groove 3011. The hydraulic valve 307 is turned on to drive the hydraulic cylinder 308 to extend, thereby driving the arc clamping plate 309 to clamp and fix the swing sensor body 302. Then the top plate 301 is rotated. At this time, the screw rod 303 rotates at the through hole 304. After adjusting the rotation to a suitable angle according to the actual use environment, tighten the first nut 305.

[0056] This step can adjust the angle according to the use environment, thereby improving the applicability of the device.

[0057] See also Figure 1-3 As shown, this embodiment is based on the above-mentioned embodiment 1 and also includes an installation and disassembly component;

[0058] The installation and disassembly assembly includes a metal plate 401, a mounting hole 402, a butterfly screw 403 and a second nut 404;

[0059] The arc sleeve 201 is fixedly connected to the metal plate 401 at the openings at both ends. The metal plate 401 has mounting holes 402 at both ends. The butterfly screws 403 are inserted between the mounting holes 402. The butterfly screws 403 are connected to the second nuts 404.

[0060] The arc sleeve 201 undergoes a certain deformation due to its shape setting. Applying external force to the metal plate 401 can assist the arc sleeve 201 in deformation. With the cooperation of the butterfly screw 403, the mounting hole 402 and the second nut 404, the arc sleeve 201 is easy to install and remove.

[0061] Working principle: when the position of the swing sensor body 302 needs to be moved horizontally, the second nut 404 is loosened, and the arc sleeve 201 becomes loose as a whole. Then the arc sleeve 201 is moved to a suitable position along the rotating shaft 101, and then the second nut 404 is tightened. When the unit is overhauled, the second nut 404 and the butterfly screw 403 are removed, and then the arc sleeve 201 and the connecting parts are removed;

[0062] This step can horizontally move the swing sensor body and can be disassembled during unit maintenance, which is convenient for later installation.

[0063] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" 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 indirectly connected 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.

[0064] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. 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.

Claims

1. A fixing bracket for a hydro-generator set swing sensor, characterized in that: include: A rotating shaft (101); A receiving assembly, the receiving assembly comprising an arc-shaped sleeve (201) and a receiving block (202); An adjustment component, the adjustment component comprising a top plate (301), a swing sensor body (302), a screw rod (303), a through hole (304) and a first nut (305); The outer ring of the rotating shaft (101) is movably connected to the arc sleeve (201), the bottom of the arc sleeve (201) is fixedly connected to the receiving block (202), the bottom of the receiving block (202) is fixedly installed with a screw rod (303), the bottom of the receiving block (202) is provided with a top plate (301), the bottom of the top plate (301) is provided with a swing sensor body (302), a through hole (304) is penetrated in the middle of the top plate (301), the screw rod (303) is movably inserted into the through hole (304), and the screw rod (303) is connected to a first nut (305).

2. A fixing bracket for a hydro-generator set swing sensor according to claim 1, characterized in that: The diameter of the through hole (304) is greater than the diameter of the screw rod (303).

3. A fixing bracket for a hydro-generator set swing sensor according to claim 1, characterized in that: The adjustment assembly further includes a side plate (306), a hydraulic device (307), a hydraulic cylinder (308) and an arc-shaped clamping plate (309); The top plate (301) is fixedly connected to the side plates (306) on both sides, a hydraulic press (307) is fixedly installed in the middle of the side plates (306), the hydraulic press (307) is fixedly connected to the hydraulic cylinder (308) on the side, and the hydraulic cylinder (308) is fixedly connected to the arc-shaped clamping plate (309) on the side.

4. A fixing bracket for a hydro-generator set swing sensor according to claim 3, characterized in that: The adjustment assembly also includes a bottom plate (3010); The bottoms of the side plates (306) are fixedly connected to the bottom plate (3010).

5. A fixing bracket for a hydro-generator set swing sensor according to claim 4, characterized in that: The adjustment component also includes an arc-shaped placement groove (3011); An arc-shaped placement groove (3011) is provided in the middle of the top end of the bottom plate (3010).

6. A fixing bracket for a hydro-generator set swing sensor according to claim 1, characterized in that: Also includes installing and removing components; The installation and disassembly assembly comprises a metal plate (401), an installation hole (402), a butterfly screw (403) and a second nut (404); The arc-shaped sleeve (201) is fixedly connected to a metal plate (401) at the openings at both ends. Mounting holes (402) are provided through both ends of the metal plate (401). A butterfly screw (403) is inserted between the mounting holes (402). A second nut (404) is connected to the butterfly screw (403).

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