Vibration tool suitable for large detector

Abstract

The vibration tool suitable for the large detector comprises a bottom steel plate, a frame structure is arranged on the bottom steel plate, and a first seamless steel pipe, a second seamless steel pipe and a third seamless steel pipe which are used for installing a large vibrator are further arranged on one side of the frame structure. The frame structure comprises a plurality of sets of longitudinal square steel, the longitudinal square steel is arranged on a bottom steel plate, the longitudinal square steel on the same side is connected through transverse square steel, and a hoop mounting plate is further arranged on one side of the transverse square steel. A bottom mounting plate is further arranged on the lower side of the longitudinal square steel, and the first seamless steel pipe, the second seamless steel pipe and the third seamless steel pipe are connected with the hoop mounting plate and the bottom mounting plate through multiple sets of hoop structures. Moreover, the test frequency of the detector is avoided, and the authenticity of test data is ensured more effectively.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of detection, more particularly to a vibration tool for large detector. BACKGROUND

[0002] The detector installed in the nuclear reactor requires to maintain its structural integrity and can perform its preset safety function during the operation of the nuclear reactor or when an earthquake occurs. Therefore, it is necessary to conduct durability test and earthquake test on the detector to examine the structural fatigue strength of the detector, that is, whether fatigue failure or damage will be caused due to the simulated actual use environment. In order to achieve the vibration requirements of the product in the laboratory, the technical personnel usually designs the corresponding fixture to complete the test, and the test product is fixed on the test bench through the fixture, and the test bench is operated to realize the vibration environment.

[0003] The current detector fixture cannot quickly install and fix the large detector, the installation operation of the large detector is inconvenient, and the large detector is mostly of a welded structure, the bottom is deformed after welding and cannot be milled with a margin, and at the same time, the test frequency of the detector cannot be avoided, resulting in inaccurate test results. Therefore, we propose a vibration tool for large detector. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a vibration tool for large detector to solve the problem that the current detector fixture cannot quickly install and fix the large detector, the installation operation of the large detector is inconvenient, and the large detector is mostly of a welded structure, the bottom is deformed after welding and cannot be milled with a margin, and at the same time, the test frequency of the detector cannot be avoided, resulting in inaccurate test results.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a vibration tool for large detector, comprising a bottom steel plate, a frame structure is arranged on the bottom steel plate, a first seamless steel pipe, a second seamless steel pipe and a third seamless steel pipe for installing the large vibrator are arranged on one side of the frame structure;

[0006] The frame structure comprises a plurality of longitudinal square steels, the longitudinal square steels are arranged on the bottom steel plate, the longitudinal square steels on the same side are connected through a transverse square steel, and a hoop mounting plate is arranged on one side of the transverse square steel;

[0007] The lower side of the longitudinal square steel is further provided with a bottom mounting plate, and the first seamless steel pipe, the second seamless steel pipe and the third seamless steel pipe are connected with the hoop mounting plate and the bottom mounting plate through a plurality of hoop structures.

[0008] Preferably, the longitudinal square steels on different sides are connected through a connecting square steel, which can improve the firmness of the connection of the longitudinal square steels on different sides.

[0009] Preferably, the longitudinal square steel is further provided with a first inclined support square steel on the other side, and the first inclined support square steel is connected with the bottom steel plate at one end, so that the stability of the connection between the longitudinal square steel and the bottom steel plate is improved.

[0010] Preferably, the longitudinal square steel is further provided with a second inclined support square steel on the other side, and the second inclined support square steel is connected with the bottom steel plate at the bottom, so that the firmness of the connection between the longitudinal square steel and the bottom steel plate is further improved.

[0011] Preferably, the frame structure comprises a rear clamp, the rear clamp is arranged on a connecting plate, the connecting plate is connected with a clamp mounting plate and a bottom mounting plate, and the rear clamp is further provided with a front clamp on one side, so that the first seamless steel pipe, the second seamless steel pipe and the third seamless steel pipe can be positioned.

[0012] Preferably, the rear clamp is provided with a rear extension on both sides, the front clamp is provided with a front extension on both sides, a rear bolt mounting hole is arranged on the rear extension, and a front bolt mounting hole corresponding to the rear bolt mounting hole is further arranged on the front extension, so that the first seamless steel pipe, the second seamless steel pipe and the third seamless steel pipe can be locked and fixed.

[0013] Preferably, the connecting plate is further provided with a reinforcing rib plate on both sides, and the reinforcing rib plate is connected with the outer surface of the rear clamp, so that the stability of the rear clamp during installation is improved, and the compressive strength is improved.

[0014] Preferably, the connecting plate is further provided with a connecting hole corresponding to the rear bolt mounting hole, so that a fastening bolt can be positioned and installed.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] (1) The utility model can quickly install a large detector, has good installation stability, and can solve the problem of no machining allowance for milling the deformed bottom after welding.

[0017] (2) The overall structure has a natural frequency of more than 30 Hz, which avoids the test frequency of the detector, and more effectively ensures the authenticity of the test data. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a first perspective structural schematic view of the utility model;

[0019] Figure 2 It is a second perspective structural schematic view of the utility model;

[0020] Figure 3 It is a structural schematic view of the frame structure in the utility model;

[0021] Figure 4 It is the schematic view of the split structure of the hoop structure in the utility model;

[0022] Figure 5 It is the schematic view of the structure of the first seamless steel pipe in the utility model;

[0023] Figure 6 It is Figure 5 It is the enlarged schematic view of A in the utility model;

[0024] In the drawing: 1, frame structure; 2, first seamless steel pipe; 3, second seamless steel pipe; 4, hoop structure; 5, third seamless steel pipe; 6, bottom mounting plate; 7, bottom steel plate; 8, panel box mounting plate; 11, longitudinal square steel; 12, linking square steel; 13, transverse square steel; 14, hoop mounting plate; 15, first inclined support square steel; 16, second inclined support square steel; 21, line installation hole; 41, linking plate; 42, rear hoop; 43, reinforcing rib plate; 44, linking hole; 45, rear extension; 46, rear bolt mounting hole; 47, front bolt mounting hole; 48, front extension; 49, front hoop. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] Please refer to Figures 1-3 The utility model provides a technical scheme: a kind of large-scale detector vibration tool, including bottom steel plate 7, frame structure 1 is arranged on bottom steel plate 7, frame structure 1 side is also provided for first seamless steel pipe 2, second seamless steel pipe 3 and third seamless steel pipe 5;

[0027] Frame structure 1 includes multiple longitudinal square steels 11, longitudinal square steel 11 is welded and arranged on bottom steel plate 7, and the same side longitudinal square steel 11 is welded and connected by transverse square steel 13, and one side of transverse square steel 13 is also provided with hoop mounting plate 14;Longitudinal square steel 11 lower side is also provided with bottom mounting plate 6, and different side longitudinal square steels 11 are welded and connected by linking square steel 12, which can improve the firmness of the connection of different side longitudinal square steels 11, and solve the problem of bottom deformation without machining allowance milling after welding.

[0028] As a specific embodiment of the application, first inclined support square steel 15 is also welded and arranged on the two sides of longitudinal square steel 11, and one end of first inclined support square steel 15 is welded and connected with bottom steel plate 7, which can improve the stability of the connection of longitudinal square steel 11 and bottom steel plate 7.

[0029] As one of the embodiments of the present application, the other side surface of the longitudinal square steel 11 is also welded with a second inclined support square steel 16, the bottom of the second inclined support square steel 16 is welded with the bottom steel plate 7, further improving the firmness of the connection between the longitudinal square steel 11 and the bottom steel plate 7.

[0030] Further, the bottom of the first inclined support square steel 15 and the second inclined support square steel 16 are both welded with the connecting rod, further improving the stability of the installation of the device.

[0031] Further, the side of the frame structure 1 is also welded with a panel box mounting plate 8, which can install the panel box.

[0032] Please refer to Figure 4 and Figure 5 , the first seamless steel pipe 2, the second seamless steel pipe 3 and the third seamless steel pipe 5 are connected with the hoop mounting plate 14 and the bottom mounting plate 6 through a plurality of hoop structures 4, the hoop structure 4 structure includes a rear hoop 42, through the setting of the rear hoop 42, the installation of the first seamless steel pipe 2, the second seamless steel pipe 3 and the third seamless steel pipe 5 can be positioned, the rear hoop 42 is arranged on the connecting plate 41, the connecting plate 41 is connected with the hoop mounting plate 14 and the bottom mounting plate 6, the rear hoop 42 side is also provided with a front hoop 49, through the cooperation of the front hoop 49 and the rear hoop 42, the first seamless steel pipe 2, the second seamless steel pipe 3 and the third seamless steel pipe 5 can be fixed.

[0033] Further, the rear extension 45 is arranged on both sides of the rear hoop 42, the front extension 48 is arranged on both sides of the front hoop 49, the rear bolt mounting hole 46 is arranged on the rear extension 45, the front bolt mounting hole 47 corresponding to the rear bolt mounting hole 46 is also arranged on the front extension 48, which can lock and fix the first seamless steel pipe 2, the second seamless steel pipe 3 and the third seamless steel pipe 5.

[0034] Further, the reinforcing rib plate 43 is arranged on both sides of the connecting plate 41, which is connected with the outer surface of the rear hoop 42, improving the stability of the installation of the rear hoop 42 and improving its compressive strength.

[0035] Further, the connecting hole 44 corresponding to the rear bolt mounting hole 46 is arranged on the connecting plate 41, which can position and install the fastening bolt.

[0036] Please refer to Figure 6 , the first seamless steel pipe 2, the second seamless steel pipe 3 and the third seamless steel pipe 5 are pipe body structures of different lengths, and the line mounting hole 21 is arranged on the upper and lower sides of the first seamless steel pipe 2, the second seamless steel pipe 3 and the third seamless steel pipe 5, which can guide the installation of the line when installing the large detector.

[0037] The working principle and use process of the utility model:

[0038] Firstly, the large detector is installed in the first seamless steel pipe 2, the second seamless steel pipe 3 and the third seamless steel pipe 5, then the frame structure 1 is welded on the bottom steel plate 7, then the corresponding number of link plates 41 are installed on the hoop mounting plate 14 and the bottom mounting plate 6, and the first seamless steel pipe 2, the second seamless steel pipe 3 and the third seamless steel pipe 5 are attached to the inner arc surface of the rear hoop 42, then the corresponding front hoop 49 is attached to the first seamless steel pipe 2, the second seamless steel pipe 3 and the third seamless steel pipe 5, the front extension 48 on the front hoop 49 is locked and fixed with the rear extension 45 on the rear hoop 42 through the fastening bolt, the first seamless steel pipe 2, the second seamless steel pipe 3 and the third seamless steel pipe 5 are fixed through the front hoop 49 and the rear hoop 42, then the device is fixed on the vibration machine to carry out vibration test, the overall structure inherent frequency is above 30Hz, the test frequency of the detector is avoided, and the authenticity of test data is more effectively ensured.

[0039] 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 vibration fixture suitable for large detectors, characterized in that: Includes a bottom steel plate (7), on which a frame structure (1) is provided, and on one side of the frame structure (1) are a first seamless steel pipe (2), a second seamless steel pipe (3) and a third seamless steel pipe (5) for installing a large vibrator; The frame structure (1) includes multiple sets of longitudinal square steel (11), which are set on the bottom steel plate (7). The longitudinal square steel (11) on the same side are connected by transverse square steel (13), and a clamp mounting plate (14) is also provided on one side of the transverse square steel (13). The longitudinal square steel (11) is provided with a bottom mounting plate (6) on its lower side. The first seamless steel pipe (2), the second seamless steel pipe (3) and the third seamless steel pipe (5) are all connected to the clamp mounting plate (14) and the bottom mounting plate (6) through multiple sets of clamp structures (4).

2. The vibration fixture suitable for large detectors according to claim 1, characterized in that: The longitudinal square steels (11) on different sides are connected by connecting square steels (12).

3. A vibration fixture suitable for large detectors according to claim 1 or 2, characterized in that: The longitudinal square steel (11) is also provided with first inclined support square steel (15) on both sides, and one end of the first inclined support square steel (15) is connected to the bottom steel plate (7).

4. The vibration fixture suitable for large detectors according to claim 3, characterized in that: A second inclined support square steel (16) is also provided on the other side surface of the longitudinal square steel (11), and the bottom of the second inclined support square steel (16) is connected to the bottom steel plate (7).

5. A vibration fixture suitable for large detectors according to claim 1, characterized in that: The clamp structure (4) includes a rear clamp (42), which is mounted on a connecting plate (41). The connecting plate (41) is connected to the clamp mounting plate (14) and the bottom mounting plate (6). A front clamp (49) is also provided on one side of the rear clamp (42).

6. A vibration fixture suitable for large detectors according to claim 5, characterized in that: The rear clamp (42) has rear extensions (45) on both sides, the front clamp (49) has front extensions (48) on both sides, the rear extensions (45) have rear bolt mounting holes (46), and the front extensions (48) have front bolt mounting holes (47) corresponding to the rear bolt mounting holes (46).

7. A vibration fixture suitable for large detectors according to claim 5, characterized in that: The connecting plate (41) is also provided with reinforcing ribs (43) on both sides, and the reinforcing ribs (43) are connected to the outer surface of the rear clamp (42).

8. A vibration fixture suitable for large detectors according to claim 5 or 7, characterized in that: The connecting plate (41) is also provided with connecting holes (44) corresponding to the rear bolt mounting holes (46).

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