U-shaped steam turbine shaft system center measuring device

Abstract

The utility model relates to the technical field of measurement, and particularly provides a U-shaped turbine shaft system center measuring device. The device comprises a U-shaped telescopic support, mounting holes are formed in the horizontal position and the vertical position of the tail end of one side of the U-shaped telescopic support, a cylindrical expansion mechanism is arranged on the other side of the U-shaped telescopic support, and a reflective mirror and a camera are arranged on one side of each mounting hole. The length and the angle of the measuring device can be flexibly adjusted through the U-shaped telescopic support so that the measuring device can adapt to steam turbine shaft systems of different sizes and shapes, the measuring universality and adaptability can be greatly improved, the camera is additionally arranged, through real-time image transmission, an operator can visually see the reading of the dial indicator on the display screen, and the measuring accuracy is improved. The measurement convenience is improved, the measurement accuracy is enhanced, and the camera can provide finer and more instant visual feedback.

Description

TECHNICAL FIELD

[0001] The utility model relates to measurement technical field especially relates to U type steam turbine shafting center measuring device. BACKGROUND

[0002] The connection mode of each rotor of the steam turbine generator unit is rigid connection. Only the steam turbine unit is safe and stable in operation, the external electricity and heat load needs can be ensured, and the shafting center measurement is the key link of guaranteeing the steam turbine maintenance quality.

[0003] The present application inventors found that there are the following problems in the practical use process:

[0004] At present, each measurement is carried out by the combination of the dial gauge and the internal diameter micrometer, the meter is limited in placement due to the limited bearing chamber space, the measurement time is long, the precision is low, and the internal diameter micrometer measurement reading and the dial data are just opposite, which brings certain difficulty to the center data calculation and adjustment of the steam turbine coupling.

[0005] Therefore, it is necessary to provide the U type steam turbine shafting center measuring device to solve the above technical problems. UTILITY MODEL CONTENTS

[0006] The utility model solves the technical problem that the meter is limited in placement, the measurement time is long, the precision is low, and provides the U type steam turbine shafting center measuring device in view of the above defects of prior art.

[0007] In order to achieve the above object, the technical scheme of the utility model is: the U type steam turbine shafting center measuring device, including the U type telescopic support, the one side end horizontal and vertical position of the U type telescopic support is provided with the mounting hole, the other side of the U type telescopic support is provided with the cylindrical expansion mechanism, one side of the mounting hole is provided with the mirror;

[0008] The top of the U type telescopic support is rotatably connected with the universal table rod, and the tail end of the universal table rod is fixedly connected with the camera.

[0009] By adopting the above technical scheme, the U type telescopic support makes the measuring device can flexibly adapt to different specifications of steam turbine shafting, improves the universality of measurement, and the setting of the mounting hole facilitates the installation and adjustment of the dial gauge, and ensures the accuracy of measurement.

[0010] Further setting, the cylindrical expansion mechanism includes the mounting ring, and the inside of the mounting ring is rotatably connected with the bolt.

[0011] By adopting the above technical scheme, the mounting ring provides a stable support platform for the cylindrical expansion mechanism.

[0012] Further settings, one end of the bolt is threadedly connected with a push block, and the push block is connected with a sliding block through a connecting rod.

[0013] By adopting the technical scheme, the threaded connection between the bolt and the push block ensures the accurate control of the expansion mechanism during expansion or contraction.

[0014] Further settings, one end of the sliding block is slidingly connected through a trapezoidal block and a mounting ring, and the mounting ring and the U-shaped telescopic support are fixedly connected.

[0015] By adopting the technical scheme, the sliding connection between the sliding block and the trapezoidal block ensures the stability of the expansion mechanism during expansion or contraction.

[0016] Further settings, the U-shaped telescopic support comprises an outer rod and an inner rod, and one end of the outer rod is slidingly connected with the inner rod.

[0017] By adopting the technical scheme, the sliding connection between the two improves the flexibility and versatility of the measuring device.

[0018] Further settings, the outer rod and the inner rod are both provided with a bushing, and the bushing is used for inserting and fixing a pin.

[0019] By adopting the technical scheme, the bushing provides a reliable connection point for the fixation of the outer rod and the inner rod, so that the fixation can be realized after being in place.

[0020] Further settings, one side of the mounting hole is provided with a fastening knob, and the fastening knob is used for fixing the dial gauge.

[0021] By adopting the technical scheme, the fastening knob provides a convenient fixation mode for the installation of the dial gauge, and improves the stability of the fixation.

[0022] Further settings, one end of the inner rod is rotatably connected with a threaded rod, and the threaded rod is threadedly connected with the outer rod.

[0023] By adopting the technical scheme, the threaded rod makes the connection between the inner rod and the outer rod more stable and reliable, and realizes the rapid adjustment of the whole.

[0024] Compared with the related art, the U-shaped steam turbine shaft system center measuring device has the following beneficial effects:

[0025] The utility model provides a U type steam turbine shafting center measuring device, through setting up U type telescopic support, reflector and camera, U type telescopic support makes the measuring device can adjust length and angle flexibly, to adapt to different size and shape steam turbine shafting, thereby greatly improve the versatility and adaptability of measurement, the setting of reflector can reflect the reading of dial gauge, make operator can clearly obtain measurement data under the condition of remote or inconvenient direct observation, and the addition of camera further enhances this function, through real time transmission image, operator can see the reading of dial gauge on the display screen intuitively, not only improve the convenience of measurement, still strengthen the accuracy of measurement, because camera can provide more fine, more instant visual feedback.

[0026] The utility model provides a U type steam turbine shafting center measuring device adopts setting cylindrical expansion mechanism, cylindrical expansion mechanism can stably fix the measuring device on steam turbine shaft coupling or other measured components, realizes close fixed connection through the mechanical structure inside expansion mechanism, to avoid the measurement error caused by device shaking or displacement in the measurement process, improves the stability and accuracy of measurement. DRAWINGS

[0027] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0028] Figure 2 It is the three-dimensional structure schematic diagram of the utility model connecting rod;

[0029] Figure 3 It is the three-dimensional structure schematic diagram of the utility model mounting hole;

[0030] Figure 4 It is the three-dimensional structure schematic diagram of the utility model threaded rod.

[0031] Mark number in drawing: 1, U type telescopic support;2, mounting hole;3, cylindrical expansion mechanism;4, reflector;5, universal table rod;6, camera;301, mounting ring;302, bolt;303, push block;304, connecting rod;305, sliding block;306, trapezoidal block;101, outer rod;102, inner rod;103, jack;7, fastening knob;8, threaded rod. DETAILED DESCRIPTION

[0032] In order to facilitate understanding the utility model, below will refer to relevant drawing and carry out more comprehensive description to the utility model. The drawing has given the typical embodiment of the utility model.

[0033] Example one:

[0034] As Figures 1-4The utility model discloses a U type steam turbine shafting center measuring device, including U type telescopic support 1, the one side end horizontal and vertical position of U type telescopic support 1 is provided with mounting hole 2, the other side of U type telescopic support 1 is provided with cylindrical expansion mechanism 3, one side of mounting hole 2 is provided with reflector 4;

[0035] The top of U type telescopic support 1 is rotatably connected with a universal gage rod 5, the end of universal gage rod 5 is fixedly connected with a camera 6, cylindrical expansion mechanism 3 can stably fix the measuring device on the steam turbine coupling, avoid the shaking in the measuring process, the combination use of reflector 4 and camera 6 makes the operator can remotely, clearly read the reading of the dial gauge, improves the convenience and security of measurement.

[0036] As shown in Figure 2 Cylindrical expansion mechanism 3 includes mounting ring 301, the inside of mounting ring 301 is rotatably connected with bolt 302, the rotatable connection of bolt 302 makes the expansion mechanism can conveniently expand or contract through the rotation bolt, thereby realizes the fastening or release of steam turbine coupling, improves the convenience and stability of installation.

[0037] As shown in Figure 2 One end of bolt 302 is threadedly connected with push block 303, push block 303 is connected with sliding block 305 through connecting rod 304, the connection of push block 303 and sliding block 305 through connecting rod 304 makes the sliding block can stably move along with the rotation of bolt, realizes the uniform expansion or contraction of expansion mechanism, improves the accuracy of measurement.

[0038] As shown in Figure 2 One end of sliding block 305 is slidably connected with mounting ring 301 through trapezoidal block 306, mounting ring 301 is fixedly connected with U type telescopic support 1, trapezoidal block 306 makes sliding block 305 can keep close contact with mounting ring 301 during the movement, avoids the shaking due to the gap.

[0039] As shown in Figure 1 And Figure 3 U type telescopic support 1 includes outer rod 101 and inner rod 102, one end of outer rod 101 is slidably connected with inner rod 102, the sliding connection of outer rod 101 and inner rod 102 makes U type telescopic support 1 can conveniently adjust length to adapt to steam turbine shafting of different sizes.

[0040] As shown in Figure 1 And Figure 3 Plug hole 103 is used for inserting fixed pin, the insertion of fixed pin makes U type telescopic support 1 can keep stable after adjusting length, avoids the shaking or deviation due to length change.

[0041] As Figure 1 And Figure 3 As shown in the drawings, one side of the mounting hole 2 is provided with a fastening knob 7 for fixing the dial gauge, and the dial gauge can be tightly fixed by rotating the fastening knob 7, avoiding displacement or loosening of the dial gauge due to vibration or external force, and ensuring the accuracy of measurement.

[0042] In implementation, first, the cylindrical expansion mechanism 3 is installed in the connecting screw hole of the steam turbine coupling, the sliding block 305 is pushed out by rotating the bolt 302 and pushing the push block 303, and the sliding block 305 is slidably connected with the mounting ring 301 through the trapezoidal block 306, ensuring that the overall structure is stably fixed in the screw hole.

[0043] Pull the outer rod 101 and the inner rod 102 to adjust to the appropriate position, use the jack 103 and the fixed pin to fix the length of the outer rod 101 and the inner rod 102 to adapt to different measurement requirements;

[0044] At the end of one side of the U-shaped telescopic support 1, install the dial gauge in the mounting hole 2 at the horizontal and vertical positions respectively, fix the dial gauge in the mounting hole 2 using the fastening knob 7, and turn its direction to face the mirror 4, ensuring that it is stable and accurate in position, adjust the mirror 4 on one side of the mounting hole 2 to ensure that it can reflect the reading of the dial gauge;

[0045] Adjust the position of the universal gauge rod 5 at the top of the U-shaped telescopic support 1, and fix the camera 6 at the end of the universal gauge rod 5, ensuring that the camera can accurately aim at the mirror 4, according to the specific position and shaft diameter of the coupling, adjust the position of the dial gauge through the telescopic function of the U-shaped telescopic support 1, so that it is respectively aligned with the radial and axial deviation points of the coupling, ensuring that the two dial gauges are respectively located at the key measurement points of the opening and displacement of the coupling, to obtain accurate deviation data, start the camera 6, and connect it to a mobile phone or other smart terminal, and transmit real-time images through wireless such as Wi-Fi, Bluetooth or wired mode.

[0046] The operator can view the reading of the dial gauge in real time through the mobile phone application, without the need to personally approach the measurement point, improving work convenience and safety.

[0047] Record real-time data for subsequent data analysis and coupling alignment adjustment.

[0048] Example two:

[0049] As Figure 4As shown, on the basis of embodiment one, the utility model provides technical schemes: one end of inner rod 102 is rotatably connected with threaded rod 8, threaded rod 8 is screwed with outer rod 101, the length of U-shaped telescopic support can be accurately adjusted by rotating threaded rod 8, improves the accuracy and flexibility of measurement, and it is convenient for operating personnel to carry out the length adjustment quickly, improves work efficiency.

[0050] In implementation, first, after adjusting inner rod 102 using threaded rod 8, threaded rod 8 is locked using screw, to ensure the stability and proper telescopic length of U-shaped telescopic support 1, to ensure that the overall structure can be kept stable in subsequent measurement.

[0051] The advantages of the technical scheme in practical application include but are not limited to the following points:

[0052] 1, the setting of reflector can reflect the reading of dial gauge, so that the operating personnel can clearly obtain measurement data under the condition of remote or inconvenient direct observation;

[0053] 2, the cylindrical expansion mechanism can stably fix the measuring device on the steam turbine coupling or other parts to be measured, improving the fixing efficiency.

[0054] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A U-shaped steam turbine shaft center measuring device, characterized in that: Includes a U-shaped telescopic bracket (1), with mounting holes (2) provided at the horizontal and vertical positions of one end of the U-shaped telescopic bracket (1), a cylindrical expansion mechanism (3) provided on the other side of the U-shaped telescopic bracket (1), and a reflector (4) provided on one side of the mounting hole (2); The top of the U-shaped telescopic bracket (1) is rotatably connected to a universal joint rod (5), and the end of the universal joint rod (5) is fixedly connected to a camera (6).

2. The U-shaped turbine shaft center measuring device according to claim 1, characterized in that: The cylindrical expansion mechanism (3) includes a mounting ring (301), and a bolt (302) is rotatably connected inside the mounting ring (301).

3. The U-shaped turbine shaft center measuring device according to claim 2, characterized in that: One end of the bolt (302) is threadedly connected to a push block (303), and the push block (303) is connected to a sliding block (305) via a connecting rod (304).

4. The U-shaped turbine shaft center measuring device according to claim 3, characterized in that: One end of the sliding block (305) is slidably connected to the mounting ring (301) via the trapezoidal block (306), and the mounting ring (301) is fixedly connected to the U-shaped telescopic bracket (1).

5. The U-shaped turbine shaft center measuring device according to claim 1, characterized in that: The U-shaped telescopic bracket (1) includes an outer rod (101) and an inner rod (102), with one end of the outer rod (101) slidably connected to the inner rod (102).

6. The U-shaped turbine shaft center measuring device according to claim 5, characterized in that: Both the outer rod (101) and the inner rod (102) are provided with insertion holes (103), which are used to insert and fix pins.

7. The U-shaped turbine shaft center measuring device according to claim 1, characterized in that: A fastening knob (7) is provided on one side of the mounting hole (2), and the fastening knob (7) is used to fix the dial gauge.

8. The U-shaped turbine shaft center measuring device according to claim 5, characterized in that: One end of the inner rod (102) is rotatably connected to a threaded rod (8), and the threaded rod (8) is threadedly connected to the outer rod (101).

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