Fixing device for mounting sleeve of out-of-pile nuclear measurement detector and use method of fixing device

Abstract

The invention discloses a fixing device for an out-of-pile nuclear measurement detector mounting sleeve and a using method thereof, and the fixing device is characterized in that two opposite ends of a supporting plate are respectively welded with a connecting angle steel; the hangers are welded to the top ends of the two pieces of connecting angle steel correspondingly, and the two hangers are hung at the top end of a module wall; the fixing pipe clamp is mounted on the supporting plate, and the mounting sleeve is fixed to the supporting plate through the fixing pipe clamp. Through the application of the fixing device for the mounting sleeve of the out-of-pile nuclear measurement detector and the using method of the fixing device, the mounting sleeve can be limited in a module wall through the fixing device, the mounting sleeve can be welded to the module wall only by lifting the mounting sleeve in a short time, the construction time is effectively shortened, and the construction efficiency is improved. The labor intensity of sleeve installation personnel is reduced, the working efficiency is improved, and the construction risk is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of construction of a mounting sleeve and the like, and in particular to a fixing device for a mounting sleeve of an off-core nuclear detection detector and a method for using the same. Background Art

[0002] At present, during the installation of the CAP1000 series of external nuclear detection detector installation sleeves, the installers need to rely on a crane to manually fix and position the installation sleeves for a long time, which has low stability and efficiency. The CAP1000 nuclear power reactor type is an open-top construction method, with a large number of modular designs, and frequent cross-construction. The civil construction in the installation area of ​​the external nuclear detection detector installation sleeve has a relatively high demand for cranes. If the conventional installation method is used, it will definitely take up a lot of crane time. Summary of the invention

[0003] In view of this, in order to solve the above problems, the object of the present invention is to provide a fixing device for installing a sleeve of an out-of-core nuclear detection detector, which includes:

[0004] Support plate, two connecting angle steels, two hangers, and fixed pipe clamps;

[0005] The connecting angle steel is welded to opposite ends of the support plate;

[0006] A hanger is welded to the top of the two connecting angle steels, and the two hangers are hung on the top of the module wall;

[0007] The fixed pipe clamp is installed on the support plate, and the fixed pipe clamp fixes the mounting sleeve to the support plate.

[0008] The above-mentioned fixing device for the mounting sleeve of the off-core nuclear detection detector further includes: a reinforcing angle steel; the reinforcing angle steel is installed on the two connecting angle steels.

[0009] In the above-mentioned fixing device for the mounting sleeve of an out-of-core nuclear detection detector, the support plate and the two connecting angle steels are welded by fillet welds.

[0010] The above-mentioned fixing device for the installation sleeve of the off-core nuclear detection detector, wherein the bracket is arranged in an inverted "L" shape, and there is a card interface between each of the brackets and the connecting angle steel, and the card interface is card-arranged at the top of the module wall.

[0011] In the above-mentioned fixing device for the mounting sleeve of an off-core nuclear detection detector, one end of each of the brackets away from the connecting angle steel is mounted on the outer wall of the module wall through a bolt pair.

[0012] In the above-mentioned fixing device for the mounting sleeve of an out-of-core nuclear detection detector, two first mounting parts are provided on the support plate.

[0013] In the above-mentioned fixing device for the mounting sleeve of an off-core nuclear detection detector, the two ends of the fixing pipe clamp are provided with second mounting parts extending outwardly, and the two second mounting parts are mounted on the two first mounting parts by two bolt pairs.

[0014] A method for using a fixing device for an installation sleeve of an ex-core nuclear detection detector, comprising the above-mentioned fixing device for an installation sleeve of an ex-core nuclear detection detector,

[0015] Step 1: Hang the two brackets on the top of the module wall;

[0016] Step 2: Lift the installation sleeve by a crane, and adjust the position of the installation sleeve by a plumb line and a reference line placed in advance;

[0017] Step 3: Fix the installation sleeve to the support plate by means of the fixed pipe clamp;

[0018] Step 4: Remove the crane;

[0019] Step 5: re-measure and adjust the verticality and position of the installation sleeve, and finally weld and fix the installation sleeve to the module wall;

[0020] Step 6: Remove the fixed pipe clamp from the support plate, and then remove the bracket from the module wall.

[0021] Compared with the prior art, the above technical solution has the following positive effects:

[0022] Through the application of the present invention, a fixing device for an off-core nuclear detection detector mounting sleeve and a method of using the same are provided. Through the device, the mounting sleeve can be limited inside the module wall. It only takes a short time to lift the mounting sleeve and weld the mounting sleeve to the module wall, which effectively shortens the construction time, reduces the labor intensity of the sleeve installers, improves work efficiency, and reduces construction risks. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of a first embodiment of a fixing device for installing a sleeve of an out-of-core nuclear detection detector of the present invention.

[0024] Figure 2 This is a schematic diagram of a second embodiment of a fixing device for installing a sleeve of an out-of-core nuclear detection detector of the present invention.

[0025] Figure 3 The figure is a schematic diagram of the installation of a first embodiment of a fixing device for installing a sleeve of an out-of-core nuclear detection detector of the present invention.

[0026] Figure 4This is a schematic installation diagram of a second embodiment of a fixing device for installing a sleeve of an out-of-core nuclear detection detector of the present invention.

[0027] 1. Support plate; 2. Connecting angle steel; 3. Hanging bracket; 4. Fixed pipe clamp; 5. Module wall; 6. Reinforced angle steel; 7. Installation sleeve; 8. First installation part; 9. Second installation part; 10. Card interface. DETAILED DESCRIPTION

[0028] The present invention will be further described below in conjunction with the accompanying drawings and specific implementations, but they are not intended to limit the present invention.

[0029] The structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the present invention, so they have no substantial technical significance. Any modification of the structure, change of the proportional relationship or adjustment of the size, without affecting the effects and purposes that can be achieved by the present invention, should still fall within the scope of the technical contents disclosed by the present invention. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description, and are not used to limit the scope of the implementation of the present invention. The change or adjustment of their relative relationship should also be regarded as the scope of the implementation of the present invention without substantially changing the technical contents.

[0030] like Figure 1 As shown, a fixing device for an installation sleeve of an out-of-core nuclear detection detector according to a preferred embodiment is shown, which includes: a support plate 1, two connecting angle steels 2, two hangers 3, and a fixed pipe clamp 4.

[0031] A connecting angle steel 2 is welded to the opposite ends of the support plate 1; a bracket 3 is welded to the top of the two connecting angle steels 2, and the two brackets 3 are hung on the top of the module wall 5; the fixed pipe clamp 4 is installed on the support plate 1, and the fixed pipe clamp 4 fixes the installation sleeve 7 to the support plate 1.

[0032] During actual use, the installation sleeve 7 is positioned on the inner wall of the module wall 5 through this device. When in use, the support plate 1 is first extended into the interior of the module wall 5 until the two brackets 3 can be hung on the upper end of the module wall 5. The brackets 3 are hung on the upper end of the module wall 5, and then the installation sleeve 7 is placed into the interior of the module wall 5 through a crane, and finally the installation sleeve 7 is fixed to the interior of the module wall 5 by fixing the pipe clamp 4.

[0033] The present invention also has the following implementation modes based on the above:

[0034] Furthermore, a fixing device for installing a sleeve of an off-core nuclear detection detector further includes: a reinforcing angle steel 6; the reinforcing angle steel 6 is installed on two connecting angle steels 2. Specifically, the strength of the two hangers 3 can be enhanced by the reinforcing angle steel 6.

[0035] Furthermore, a fixing device for installing a sleeve of an off-core nuclear detection detector is provided, wherein the support plate 1 and the two connecting angle steels 2 are welded by fillet welds. Specifically, the two corners of the support plate 1 are welded to the corners of the connecting angle steels 2 by fillet welds, so that the welding of the support plate 1 and the connecting angle steels 2 is more firm and stable.

[0036] Further, a fixing device for installing a sleeve of an off-core nuclear detection detector is provided, wherein the bracket 3 is arranged in an inverted "L" shape, and a card interface 10 is provided between each bracket 3 and the connecting angle steel 2, and the card interface 10 is arranged at the top of the module wall 5. Specifically, the bracket 3 is composed of two angle steels, and the two angle steels are welded into the bracket 3 arranged in an inverted "L" shape, so that the bracket 3 can be hung at the upper end of the module cavity 5.

[0037] Furthermore, a fixing device for installing a sleeve of an off-core nuclear detection detector is provided, wherein one end of each bracket 3 away from the connecting angle steel 2 is mounted on the outer wall of the module wall 5 by a bolt pair. Specifically, after the bracket 3 is hung on the top of the module wall 5, the bracket 3 can be fixed to the module wall 5 by a bolt pair to locate the position of the bracket 3 and prevent the bracket 3 from moving.

[0038] Furthermore, a fixing device for an installation sleeve of an out-of-core nuclear detection detector is provided, wherein two first installation parts 8 are provided on the support plate 1 .

[0039] Further, a fixing device for an installation sleeve of an out-of-core nuclear detection detector is provided, wherein the two ends of the fixed pipe clamp 4 are provided with second installation portions 9 extending outwardly, and the two second installation portions 9 are installed on the two first installation portions 8 by two bolt pairs. Specifically, the support plate 1 and the fixed pipe clamp 4 respectively have a first installation portion 8 and a second installation portion 9 extending outwardly, and the bolt pair fixes the second installation portion 9 to the first installation portion 8, thereby fixing the installation sleeve 7.

[0040] A method for using a fixing device for an installation sleeve of an ex-core nuclear detection detector, comprising the above-mentioned fixing device for an installation sleeve of an ex-core nuclear detection detector,

[0041] Step 1: Hang two brackets 3 on the top of the module wall 5;

[0042] Step 2: Lift the installation sleeve 7 by a crane, and adjust the position of the installation sleeve 7 by using a plumb line and a reference line placed in advance;

[0043] Step 3: Fix the installation sleeve 7 to the support plate 1 by fixing the pipe clamp 4;

[0044] Step 4: Remove the crane;

[0045] Step 5: re-measure and adjust the verticality and position of the installation sleeve 7, and finally weld and fix the installation sleeve 7 to the module wall 5;

[0046] Step 6: Remove the fixed pipe clamp 4 from the support plate 1 , and then remove the hanger 3 from the module wall 5 .

[0047] The above description is only a preferred embodiment of the present invention, and does not limit the implementation mode and protection scope of the present invention. For those skilled in the art, it should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. A fixing device for an external nuclear detection detector mounting sleeve, characterized in that: include: Support plate, two connecting angle steels, two hangers, and fixed pipe clamps; The connecting angle steel is welded to opposite ends of the support plate; A hanger is welded to the top of the two connecting angle steels, and the two hangers are hung on the top of the module wall; The fixed pipe clamp is installed on the support plate, and the fixed pipe clamp fixes the mounting sleeve to the support plate.

2. The fixing device for the mounting sleeve of the out-of-core nuclear detection detector according to claim 1 is characterized in that: Also includes: Reinforced angle steel; the reinforced angle steel is installed on the two connecting angle steels.

3. The fixing device for the mounting sleeve of the out-of-core nuclear detection detector according to claim 1 is characterized in that: The support plate and the two connecting angle steels are welded by using fillet welds.

4. The fixing device for the mounting sleeve of the out-of-core nuclear detection detector according to claim 1 is characterized in that: The hanger is arranged in an inverted "L" shape, and a card interface is provided between each hanger and the connecting angle steel, and the card interface is card-arranged at the top of the module wall.

5. The fixing device for the mounting sleeve of the out-of-core nuclear detection detector according to claim 1, characterized in that: One end of each of the hangers away from the connecting angle steel is mounted on the outer wall of the module wall through a bolt pair.

6. The fixing device for the mounting sleeve of the out-of-core nuclear detection detector according to claim 1, characterized in that: Two first mounting parts are arranged on the support plate.

7. The fixing device for the mounting sleeve of the out-of-core nuclear detection detector according to claim 1, characterized in that: The two ends of the fixed pipe clamp are extended outward to form a second mounting portion, and the two second mounting portions are mounted on the two first mounting portions through two bolt pairs.

8. A method for using a fixing device for an external nuclear detection detector mounting sleeve, characterized in that: A fixing device for an external nuclear detection detector mounting sleeve comprising any one of claims 1 to 7, Step 1: Hang the two brackets on the top of the module wall; Step 2: Lift the installation sleeve by a crane, and adjust the position of the installation sleeve by a plumb line and a reference line placed in advance; Step 3: Fix the installation sleeve to the support plate by means of the fixed pipe clamp; Step 4: Remove the crane; Step 5: re-measure and adjust the verticality and position of the installation sleeve, and finally weld and fix the installation sleeve to the module wall; Step 6: Remove the fixed pipe clamp from the support plate, and then remove the bracket from the module wall.

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