Re-measuring Device for Embedded Plates in Nuclear Power Plants

Abstract

The present invention provides a retest device for embedded panels in nuclear power plants, and relates to the technical field of retest for embedded panels in nuclear power plants. The retest device for embedded panels in nuclear power plants comprises a device support frame and a device body, wherein the device body comprises a device support seat, a support column, a support frame and a cross cursor transmitter; one end of the support column is arranged on the support seat, and the support frame is arranged on the end of the support column away from the support seat, and the cross cursor transmitter is hinged on the support frame; the cross cursor transmitter on the device body of the retest device for embedded panels in nuclear power plants provided by the present invention can position the axis and the horizontal projection line to reflect on the embedded panel, so as to detect the position deviation of the embedded panel and whether the weld meets the requirements; the angle between the first test component and the second test component can be adjusted, and then can be adjusted according to the shape of the embedded panel to meet the requirements of retest for different embedded panels.

Description

Technical Field

[0001] The present invention relates to the technical field of remeasurement of embedded plates in nuclear power plants, and in particular to a device for remeasuring embedded plates in nuclear power plants. Background Art

[0002] At present, the method for remeasuring the elevation and levelness of the embedded plates at the top of the remeasurement room in a nuclear power plant is as follows: Scaffolds are erected, and construction workers stand on the scaffolds to cooperate with the surveying professionals to remeasure the elevation and levelness. The surveying professionals use tools such as tower rulers and levels or total stations for remeasurement. The remeasurement method is highly dependent on the surveying professionals and scaffolds. The surveying professionals and scaffolds are public resources with a high on-site utilization rate and tight time. When the construction is at its peak, the subsequent installation work will be affected due to the unavailability of scaffolds or surveying instruments. Summary of the Invention

[0003] The purpose of the present invention is to provide a device for remeasuring embedded plates in nuclear power plants to alleviate the technical problems of strong dependence on surveying professionals and scaffolds and low measurement efficiency in the current remeasurement of embedded plates.

[0004] The present invention provides a device for remeasuring embedded plates in nuclear power plants, including a device support frame and a device main body. The device main body includes a device support base, a support column, a support frame, and a crosshair emitter.

[0005] One end of the support column is arranged on the support base, the support frame is arranged at the end of the support column far from the support base, and the crosshair emitter is hinged on the support frame.

[0006] The device main body further includes a first test component and a second test component. An adjustment long hole is provided in the first test component, the second test component is inserted into the adjustment long hole, and the support column penetrates through the first test component and the second test component.

[0007] An upper fixing nut and a lower fixing nut are screwed on the support column, and the upper fixing nut is located at the upper end of the first test component and abuts against the first test component.

[0008] The lower fixing nut is located at the lower end of the first test component and abuts against the first test component.

[0009] A first positioning member is arranged on the first test component, a second positioning member is arranged on the second test component, an arc-shaped hole is provided on the positioning plate, and both the first positioning member and the second positioning member are inserted into the arc-shaped hole.

[0010] In an alternative embodiment, the first test component includes a first main connecting rod and two first side connecting rods. One first adjusting sleeve is screwed to each end of the first main connecting rod, and one first side connecting rod is screwed to the end of each first adjusting sleeve remote from the first main connecting rod;

[0011] A first transmitter assembly is provided at the end of the first side connecting rod remote from the first main connecting rod.

[0012] In an alternative embodiment, the second test component includes a second main connecting rod and two second side connecting rods. One second adjusting sleeve is screwed to each end of the second main connecting rod, and one second side connecting rod is screwed to the end of each second adjusting sleeve remote from the second main connecting rod;

[0013] A second transmitter assembly is provided at the end of the second side connecting rod remote from the second main connecting rod.

[0014] In an alternative embodiment, the first transmitter assembly includes a first transmitter body. A first transmitter is provided at the upper end of the first transmitter body, a second transmitter is provided at the lower end of the first transmitter body, and a first target and a third transmitter are provided on the peripheral side of the first transmitter body.

[0015] In an alternative embodiment, a fourth transmitter is further provided on the peripheral side of the first transmitter body.

[0016] In an alternative embodiment, the first transmitter assembly further includes a first adjusting sleeve, and the first transmitter body is inserted through the first adjusting sleeve;

[0017] A fixing member for fixing the first transmitter body within the first adjusting sleeve is provided on the first adjusting sleeve;

[0018] The first adjusting sleeve is fixedly connected to the first side connecting rod.

[0019] In an alternative embodiment, the second transmitter assembly includes a second transmitter body. A first transmitter is provided at the upper end of the second transmitter body, a second transmitter is provided at the lower end of the second transmitter body, and a first target and a third transmitter are provided on the peripheral side of the second transmitter body.

[0020] In an alternative embodiment, a fourth transmitter is further provided on the peripheral side of the second transmitter body.

[0021] In an alternative embodiment, the second transmitter assembly further includes a second adjusting sleeve, and the second transmitter body is inserted through the second adjusting sleeve;

[0022] A fixing member for fixing the second emitter body within the second adjusting sleeve is provided on the second adjusting sleeve;

[0023] The second adjusting sleeve is fixedly connected to the second side connecting rod.

[0024] In an alternative embodiment, the device support frame includes a support base and a connecting base. An adjusting long rod is screwed onto the support base, and a connecting base is provided at the upper end of the adjusting long rod. The device support seat is disposed on the connecting base; and both the device support seat and the support base are provided with a bubble level; a tripod is provided at the lower end of the support base.

[0025] The crosshair emitter on the device body of the nuclear power plant embedded plate remeasurement device provided by the present invention can locate the axis and the horizontal projection line and reflect them onto the embedded plate, so that the position deviation of the embedded plate and whether the weld meets the requirements can be detected; the angle between the first test component and the second test component can be adjusted, and thus can be adjusted according to the shape of the embedded plate to meet the requirements of different embedded plate remeasurements. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the specific embodiments or the prior art. Obviously, the following drawings are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0027] Figure 1 It is a schematic structural diagram of a nuclear power plant embedded plate remeasurement device provided by an embodiment of the present invention;

[0028] Figure 2 For Figure 1 It is a schematic structural diagram of the device body of the nuclear power plant embedded plate remeasurement device shown;

[0029] Figure 3 For Figure 2 It is a partial enlarged view of A of the device body shown;

[0030] Figure 4 For Figure 2 It is a schematic structural diagram of the first test component of the device body shown;

[0031] Figure 5 For Figure 1 It is a schematic structural diagram of the device support frame of the nuclear power plant embedded plate remeasurement device shown.

[0032] Icons: 100-first test assembly; 200-second test assembly; 300-support column; 400-support frame; 500-cross cursor transmitter; 600-upper fixing nut; 700-lower fixing nut; 800-adjusting long hole; 900-first positioning piece; 110-second positioning piece; 120-positioning plate; 130-first main connecting rod; 140-first adjusting sleeve; 150-first side connecting rod; 160-first adjusting sleeve; 170-fixing piece; 180-first transmitter body; 190-first transmitter; 210-fourth transmitter; 220-third transmitter; 230-first target; 240-support seat; 250-adjusting long rod; 260-connecting base; 270-support base; 280-bubble level; 290-tripod. DETAILED DESCRIPTION

[0033] The terms “first”, “second”, “third”, etc. are only used for distinguishing descriptions and do not indicate the order of arrangement, nor can they be understood as indicating or implying relative importance.

[0034] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0035] In the description of the present application, it should be noted that the terms "inside", "outside", "left", "right", "up", "down", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, or are directions or positional relationships in which the products of the present application are usually placed when in use. They are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present application.

[0036] In the description of this application, unless otherwise clearly specified and limited, the terms "set", "installed", "connected" and "connected" 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 an indirect connection through an intermediate medium, and it can be the internal connection of two elements.

[0037] The technical solution of the present application will be described clearly and completely below in conjunction with the accompanying drawings.

[0038] Reference Figures 1-5 The present invention provides a nuclear power plant embedded plate retest device, including a device support frame 400 and a device body, wherein the device body includes a device support seat 240, a support column 300, a support frame 400 and a cross cursor transmitter 500;

[0039] One end of the support column 300 is arranged on the support base 240, and the support frame 400 is arranged at the end of the support column 300 away from the support base 240. The crosshair emitter 500 is hinged on the support frame 400;

[0040] The device body further includes a first test component 100 and a second test component 200; an adjustment long hole 800 is provided in the first test component 100, the second test component 200 is inserted into the adjustment long hole 800, and the support column 300 penetrates through the first test component 100 and the second test component 200;

[0041] An upper fixing nut 600 and a lower fixing nut 700 are screwed on the support column 300, and the upper fixing nut 600 is located at the upper end of the first test component 100 and abuts against the first test component 100;

[0042] The lower fixing nut 700 is located at the lower end of the first test component 100 and abuts against the first test component 100;

[0043] A first positioning member 900 is provided on the first test component 100, a second positioning member 110 is provided on the second test component 200, an arc-shaped hole is provided on the positioning plate 120, and both the first positioning member 900 and the second positioning member 110 are inserted into the arc-shaped hole.

[0044] In some embodiments, the device body of the nuclear power plant embedded plate remeasurement device is arranged on the device support frame 400; a support column 300 is arranged on the device support base 240 of the device body, a support frame 400 is arranged at the upper end of the support column 300, and the crosshair emitter 500 is hinged on the support frame 400. The crosshair emitter 500 can rotate 360°, that is, the crosshair emitter 500 can project a crosshair on the side wall and after rotation, project the crosshair upward.

[0045] The first test component 100 has an adjustment long hole 800, the second test component 200 is inserted into the adjustment long hole 800, and the support column 300 passes through the first test component 100, the adjustment long hole 800 and the second test component 200; the included angle formed between the first test component 100 and the second test component 200 can be changed; generally, the first test component 100 and the second test component 200 are kept perpendicular and intersecting.

[0046] A first positioning member 900 is provided on the first test component 100, and a second positioning member 110 is provided on the second test component 200. Generally, both the first positioning member 900 and the second positioning member 110 are screws, and both the first positioning member 900 and the second positioning member 110 are located within the arc-shaped holes. In this way, by controlling the first positioning member 900 and the second positioning member 110, the included angle between the first test component 100 and the second test component 200 is adjusted and fixed.

[0047] Referring Figure 2 、 Figure 3 and Figure 4 , in an alternative embodiment, the first test component 100 includes a first main connecting rod 130 and two first side connecting rods 150. One first adjusting sleeve 140 is screwed to each end of the first main connecting rod 130, and one first side connecting rod 150 is screwed to the end of each first adjusting sleeve 140 away from the first main connecting rod 130;

[0048] A first transmitter assembly is provided at the end of the first side connecting rod 150 away from the first main connecting rod 130.

[0049] In some embodiments, threads are provided on both the first main connecting rod 130 and the first side connecting rod 150 of the first test component 100, and the thread directions on the first main connecting rod 130 and the first side connecting rod 150 are opposite; the first adjusting and fixing sleeves are respectively screwed to the first main connecting rod 130 and the first side connecting rod 150, and by rotating the first adjusting and fixing sleeves, the distance between the first side connecting rod 150 and the first main connecting rod 130 is increased or decreased to adjust the distance between the first transmitter assembly and the crosshair transmitter 500.

[0050] In an alternative embodiment, the second test component 200 includes a second main connecting rod and two second side connecting rods. One second adjusting sleeve is screwed to each end of the second main connecting rod, and one second side connecting rod is screwed to the end of each second adjusting sleeve away from the second main connecting rod;

[0051] A second transmitter assembly is provided at the end of the second side connecting rod away from the second main connecting rod.

[0052] In some embodiments, threads are provided on both the second main connecting rod and the second side connecting rod of the second test component 200, and the thread directions on the second main connecting rod and the second side connecting rod are opposite; the second adjusting and fixing sleeves are respectively screwed to the second main connecting rod and the second side connecting rod, and by rotating the second adjusting and fixing sleeves, the distance between the second side connecting rod and the second main connecting rod is increased or decreased to adjust the distance between the second transmitter assembly and the crosshair transmitter 500.

[0053] Reference Figure 4 In an alternative embodiment, the first emitter assembly includes a first emitter body 180, a first emitter 190 is disposed at the upper end of the first emitter body 180, a second emitter is disposed at the lower end of the first emitter body 180, and a first target 230 and a third emitter 220 are disposed on the peripheral side of the first emitter body 180.

[0054] In an alternative embodiment, a fourth emitter 210 is further disposed on the peripheral side of the first emitter body 180.

[0055] In an alternative embodiment, the first emitter assembly further includes a first adjustment sleeve 160, and the first emitter body 180 is inserted through the first adjustment sleeve 160;

[0056] A fixing member 170 for fixing the first emitter body 180 within the first adjustment sleeve 160 is disposed on the first adjustment sleeve 160;

[0057] The first adjustment sleeve 160 is fixedly connected to the first side connecting rod 150.

[0058] In an alternative embodiment, the second emitter assembly includes a second emitter body, a first emitter 190 is disposed at the upper end of the second emitter body, a second emitter is disposed at the lower end of the second emitter body, and a first target 230 and a third emitter 220 are disposed on the peripheral side of the second emitter body.

[0059] In an alternative embodiment, a fourth emitter 210 is further disposed on the peripheral side of the second emitter body.

[0060] The first emitter 190 and the second emitter of the first emitter body 180 are the same as the first emitter 190 and the second emitter of the second emitter body, and generally the first emitter 190 and the second emitter are also the same; the first emitter 190 can be a laser emitter or an infrared emitter, etc., and this laser emitter can measure distance.

[0061] The third emitter 220 can only emit laser, and the fourth emitter 210 can generally also measure distance.

[0062] The first emitter assembly and the second emitter assembly are located in the same plane. Orient the first target 230 of one of the first emitter assemblies towards the crosshair emitter 500, and the third emitters 220 on the other first emitter assemblies and the second emitter assembly emit laser towards the first target 230; through the first emitter assembly and the second emitter assembly, the laser passes through the bull's-eye of the first target 230.

[0063] In an alternative embodiment, the second emitter assembly further includes a second adjustment sleeve, and the second emitter body is disposed through the second adjustment sleeve;

[0064] A fixing member 170 is provided on the second adjustment sleeve for fixing the second emitter body within the second adjustment sleeve;

[0065] The second adjustment sleeve is fixedly connected to the second side connecting rod.

[0066] Taking the second emitter assembly as an example, the second emitter body is disposed through the second adjustment sleeve, and a fixing member 170 is provided on the second adjustment sleeve. The fixing member 170 is generally a screw. After adjusting the second emitter body to a proper height, by rotating the screw, the screw abuts against the second emitter body to fix the relative position between the second emitter body and the second adjustment sleeve, so that the first emitter assembly and the second emitter assembly are on the same horizontal plane.

[0067] Referring to Figure 1 and Figure 5 , in an alternative embodiment, the device support frame 400 includes a support base 270 and a connection base 260. An adjustment long rod 250 is screwed onto the support base 270. A connection base 260 is provided at the upper end of the adjustment long rod 250, and the device support seat 240 is disposed on the connection base 260; and the device support seat 240 and the support base 270 are both provided with a bubble level 280; a tripod 290 is provided at the lower end of the support base 270.

[0068] A tripod 290 is provided at the lower end of the support base 270 of the device support frame 400. An adjustment long rod 250 is screwed onto the support base 270, and the height of the connection base 260 is adjusted by rotating the adjustment long rod 250.

[0069] Both the support base 270 and the device support seat 240 are provided with a bubble level 280, and the support base 270 and the device support seat 240 are kept horizontal by the bubble level 280.

[0070] The device support seat 240 is directly placed on the upper end surface of the connection base 260, and the rotation of the connection base 260 does not affect the device support seat 240; when adjusting the height of the connection base 260, the device support seat 240 may not be placed on the connection base 260.

[0071] When the nuclear power plant embedded plate remeasurement device performs remeasurement on the embedded plate, elevation lines and positioning axes have been released on the side wall in the room.

[0072] When the nuclear power plant embedded plate re-measurement device is placed under the embedded plate to be measured, the approximate position is found; the cross cursor transmitter 500 is aligned with the positioning axis on the side wall and the tooling position is fine-tuned so that a line in the cross cursor coincides with the positioning axis; a fourth transmitter 210 is turned on, the fourth transmitter 210 projects a positioning point on the side wall and measures the distance from the fourth transmitter 210 to the side wall, and the distance between the fourth transmitter 210 and the elevation line is measured with a ruler.

[0073] The cross cursor transmitter 500 is rotated to transmit the cross cursor transmitter 500 to the embedded plate, and the position deviation of the embedded plate in the X / Y direction is detected and the weld is visually inspected to see whether it meets the requirements.

[0074] The lengths of the first test assembly 100 and the second test assembly 200 are adjusted so that the distance between the two first transmitter assemblies of the first test assembly 100 and the distance between the two second transmitter assemblies of the second test assembly 200 meet the diagonal length of the adjustment pad that needs to be increased.

[0075] The heights of the first emitter assembly and the second emitter assembly are adjusted so that they are located in the same plane; by making the first target 230 of the first emitter body 180 face the cross cursor emitter 500, the other three third emitters 220 are adjusted in height so that the light emitted by the third emitters 220 passes through the bull's eye of the first target 230, so that the first emitter assembly and the second emitter assembly are located in the same horizontal plane.

[0076] The first transmitter 190 is turned on, and the vertical distance from the first transmitter 190 to four points of the embedded plate is measured, and the positions of the four points are used to detect whether the weld of the embedded plate meets the welding requirements. The second transmitter is used to detect the embedded plate located on the ground.

[0077] The nuclear power plant embedded panel re-measurement device provided by the present invention fixes the first transmitter assembly and the second transmitter assembly on the same plane, and determines whether the position of the embedded panel meets the installation requirements through the fourth transmitter 210, and determines the elevation and horizontality of the embedded panel through the first transmitter 190, thereby realizing the re-measurement of the embedded panel on the floor of the room, reducing the demand for measurement expertise, eliminating dependence on scaffolding, and creating conditions for subsequent continuous construction.

[0078] The cross cursor transmitter 500 on the device body of the nuclear power plant embedded plate retest device provided by the present invention can locate the axis and the horizontal projection line to reflect on the embedded plate, so that the position deviation of the embedded plate and whether the weld meets the requirements can be detected; the angle between the first test component 100 and the second test component 200 can be adjusted, and then it can be adjusted according to the shape of the embedded plate to meet the requirements of retesting different embedded plates.

[0079] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A nuclear power plant embedded plate retest device, characterized in that: It includes a device support frame (400) and a device main body, and the device main body includes a device support base (240), a support column (300), a support frame (400) and a crosshair emitter (500); One end of the support column (300) is arranged on the support base (240), the support frame (400) is arranged at the end of the support column (300) far from the support base (240), and the crosshair emitter (500) is hinged on the support frame (400); The device main body further includes a first test component (100) and a second test component (200); an adjustment elongated hole (800) is provided in the first test component (100), the second test component (200) is inserted into the adjustment elongated hole (800), and the support column (300) penetrates through the first test component (100) and the second test component (200); An upper fixing nut (600) and a lower fixing nut (700) are screwed on the support column (300), and the upper fixing nut (600) is located at the upper end of the first test component (100) and abuts against the first test component (100); The lower fixing nut (700) is located at the lower end of the first test component (100) and abuts against the first test component (100); A first positioning member (900) is provided on the first test component (100), a second positioning member (110) is provided on the second test component (200), an arc-shaped hole is provided on the positioning plate (120), and both the first positioning member (900) and the second positioning member (110) are inserted into the arc-shaped hole; The first test component (100) includes a first main connecting rod (130) and two first side connecting rods (150), a first adjusting sleeve (140) is screwed at each end of the first main connecting rod (130), and a first side connecting rod (150) is screwed at the end of each first adjusting sleeve (140) far from the first main connecting rod (130); A first emitter assembly is provided at the end of the first side connecting rod (150) far from the first main connecting rod (130).

2. The nuclear power plant embedded plate retest device according to claim 1, characterized in that: The second test component (200) includes a second main connecting rod and two second side connecting rods, a second adjusting sleeve is screwed at each end of the second main connecting rod, and a second side connecting rod is screwed at the end of each second adjusting sleeve far from the second main connecting rod; A second emitter assembly is provided at the end of the second side connecting rod far from the second main connecting rod.

3. The embedded plate remeasurement device for nuclear power plants according to claim 2, characterized in that, The first emitter assembly includes a first emitter main body (180), a first emitter (190) is provided at the upper end of the first emitter main body (180), a second emitter is provided at the lower end of the first emitter main body (180), and a first target (230) and a third emitter (220) are provided on the peripheral side of the first emitter main body (180).

4. The embedded plate remeasurement device for nuclear power plants according to claim 3, wherein A fourth emitter (210) is also provided on the circumferential side of the first emitter body (180).

5. The nuclear power plant embedded plate remeasurement device according to claim 3, wherein, The first emitter assembly further includes a first adjusting sleeve (160), and the first emitter body (180) is passed through the first adjusting sleeve (160); A fixing member (170) for fixing the first emitter body (180) within the first adjusting sleeve (160) is provided on the first adjusting sleeve (160); The first adjusting sleeve (160) is fixedly connected to the first side connecting rod (150).

6. The nuclear power plant embedded plate remeasurement device according to claim 2, characterized in that, The second emitter assembly includes a second emitter body. A first emitter (190) is provided at the upper end of the second emitter body, a second emitter is provided at the lower end of the second emitter body, and a first target (230) and a third emitter (220) are provided on the circumferential side of the second emitter body.

7. The nuclear power plant embedded plate remeasurement device according to claim 6, characterized in that, A fourth emitter (210) is also provided on the circumferential side of the second emitter body.

8. The pre-embedded plate remeasurement device for nuclear power plants according to claim 7, characterized in that The second emitter assembly further includes a second adjusting sleeve, and the second emitter body is passed through the second adjusting sleeve; A fixing member (170) for fixing the second emitter body within the second adjusting sleeve is provided on the second adjusting sleeve; The second adjusting sleeve is fixedly connected to the second side connecting rod.

9. The pre-embedded plate re-measuring device for nuclear power plants according to claim 1, wherein, The device support frame (400) includes a support base (270) and a connection base (260). An adjusting long rod (250) is screwed onto the support base (270), and a connection base (260) is provided at the upper end of the adjusting long rod (250). The device support seat (240) is provided on the connection base (260); and both the device support seat (240) and the support base (270) are provided with a bubble level (280); A tripod (290) is provided at the lower end of the support base (270).

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