Nuclear power unit condenser titanium tube anti-vibration strip mounting device

Abstract

The utility model discloses a nuclear power unit condenser titanium tube anti-vibration strip installation device which comprises a base body, a first connecting belt, a second connecting belt and a limiting block, the base body comprises a main body section and a clamping section integrally formed at one end of the main body section, and a first clamping portion and a second clamping portion are arranged on the two sides of the clamping section respectively. When the anti-vibration strip needs to be installed, the main body section and the clamping section are inserted into a gap of a condenser titanium pipe, a main body of the first connecting belt sequentially passes through the first clamping part, the first positioning hole and the second clamping part, and a main body of the second connecting belt penetrates through the second positioning hole. According to the nuclear power unit condenser titanium tube anti-vibration strip mounting device, the limiting block is arranged, so that the device has a size positioning function, the anti-vibration strip does not need to be measured and rechecked after being mounted, the device can adapt to titanium tube finger seams with different depths, one person can operate the device through the arrangement of the first connecting belt and the second connecting belt, the working efficiency is greatly improved, and the device is easy and convenient to use.

Description

Technical Field

[0001] The utility model relates to the application field of nuclear power unit condensers, in particular to a nuclear power unit condenser titanium tube vibration-proof strip installation device. Background Art

[0002] Condensers have a common technical problem of heat transfer tube breakage caused by airflow vibration. The heat transfer tube of the condenser is the physical isolation boundary between seawater and secondary circuit condensate. If the heat transfer tube breaks, the unit will be operated at reduced load or even shut down. Installing anti-vibration strips on the heat transfer tube of the condenser can effectively reduce the risk of tube breakage caused by airflow vibration and improve the reliability safety margin of the condenser.

[0003] The structural layout of the titanium tube part of the existing nuclear power condenser is different from that of the traditional CPR unit condenser. The upper titanium tube completely covers the lower titanium tube, and the operator cannot observe the internal environment. It is impossible to install anti-vibration strips according to traditional processes. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a device for installing the vibration-proof strips of the titanium tube of the condenser of a nuclear power unit.

[0005] The utility model solves the technical problem by adopting the following technical solution: constructing a nuclear power unit condenser titanium tube anti-vibration strip installation device, wherein the two ends of the anti-vibration strip are respectively provided with a first positioning hole and a second positioning hole, and the anti-vibration strip comprises a base body, a first connecting belt, a second connecting belt and a limit block;

[0006] The base comprises a main body section and a clamping section integrally formed on one end of the main body section, and a first clamping portion and a second clamping portion are respectively provided on both sides of the clamping section;

[0007] When the anti-vibration strip needs to be installed, the main body section and the clamping section are inserted into the gap of the condenser titanium tube, the main body of the first connecting belt passes through the first clamping portion, the first positioning hole and the second clamping portion in sequence, and the main body of the second connecting belt passes through the second positioning hole;

[0008] The limiting block is arranged on one end of the main body section away from the clamping section.

[0009] In some embodiments, the limiting block is detachably connected to the main body section.

[0010] In some embodiments, the limit block is fixedly connected to the main body section.

[0011] In some embodiments, the limit block is connected to an operating member.

[0012] In some embodiments, the operating member is detachably connected to the limiting block, or the operating member is fixedly connected to the limiting block.

[0013] In some embodiments, the length of the main body segment is 500 mm to 530 mm.

[0014] In some embodiments, the width of the main body segment is 40 mm to 60 mm.

[0015] In some embodiments, the thickness of the main body segment is 1 mm to 2 mm.

[0016] In some embodiments, the length of the snap-fit ​​section is 40 mm to 60 mm.

[0017] In some embodiments, the cross-section of the limit block is rectangular.

[0018] The implementation of the utility model has the following beneficial effects: the installation device for the anti-vibration strip of the titanium tube of the condenser of the nuclear power unit is designed according to the structural characteristics of the on-site equipment, taking into account the convenience of personnel use, and setting a limit block to enable it to have a size positioning function. After the anti-vibration strip is installed, it can be ensured that the anti-vibration strip is installed in place without measurement and verification, and can adapt to the titanium tube finger gaps of different depths. And through the setting of the first connecting belt and the second connecting belt, a single person can operate it, the work efficiency is greatly improved, and it is simple and convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solution of the utility model, the utility model will be further described below in conjunction with the accompanying drawings and embodiments. It should be understood that the following drawings only show certain embodiments of the utility model, and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work. In the drawings:

[0020] Figure 1 It is an overall schematic diagram of the installation device for the anti-vibration strip of the titanium tube of the condenser of the nuclear power unit of the utility model;

[0021] Figure 2 It is a structural schematic diagram of the base of the utility model. DETAILED DESCRIPTION

[0022] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific implementation methods of the present invention are now described in detail with reference to the accompanying drawings. In the following description, it should be understood that the directions or positional relationships indicated by "front", "back", "up", "down", "left", "right", "longitudinal", "horizontal", "vertical", "horizontal", "top", "bottom", "inside", "outside", "head", "tail", etc. are based on the directions or positional relationships shown in the accompanying drawings, are constructed and operated in a specific direction, and are only for the convenience of describing the present technical solution, rather than indicating that the device or element referred to must have a specific direction, and therefore cannot be understood as a limitation to the present invention.

[0023] It should also be noted that, unless otherwise clearly specified and limited, the terms such as "installed", "connected", "connected", "fixed", "set" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. When an element is referred to as being "on" or "under" another element, the element can be "directly" or "indirectly" located on the other element, or there may be one or more intermediate elements. The terms "first", "second", "third", etc. are only for the convenience of describing the present technical solution, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first", "second", "third", etc. can explicitly or implicitly include one or more of the features. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances.

[0024] Reference Figure 1 and Figure 2 , is a nuclear power unit condenser titanium tube anti-vibration strip installation device in some embodiments of the utility model, the two ends of the anti-vibration strip 1 are respectively provided with a first positioning hole 11 and a second positioning hole 12, the nuclear power unit condenser titanium tube anti-vibration strip installation device comprises a base 2, a first connecting belt 3, a second connecting belt 4 and a limit block 5, the base 2 comprises a main body section 21 and a clamping section 22 integrally formed on one end of the main body section 21, and the two sides of the clamping section 22 are respectively provided with a first clamping portion 221 and a second clamping portion 222; when the anti-vibration strip 1 needs to be installed, the main body section 21 and the clamping section 22 are inserted into the gap of the condenser titanium tube, the main body of the first connecting belt 3 passes through the first clamping portion 221, the first positioning hole 11 and the second clamping portion 222 in sequence, and the main body of the second connecting belt 4 passes through the second positioning hole 12. The limit block 5 is arranged on the end of the main body section 21 away from the clamping section 22.

[0025] It is understandable that, since the existing structure arrangement of the titanium tube part of the nuclear power condenser is different from that of the traditional CPR unit condenser, the upper titanium tube completely covers the lower titanium tube, and the operator cannot observe the internal environment, and the anti-vibration strip 1 cannot be installed according to the traditional process. Therefore, in this embodiment, a nuclear power unit condenser titanium tube anti-vibration strip installation device is adopted to install the anti-vibration strip 1 into the condenser titanium tube. Among them, the first connecting belt 3 and the second connecting belt 4 can both be thin silk ribbons. In addition, when the anti-vibration strip 1 needs to be installed, the head end and the end of the first connecting belt 3 are connected together, such as by tying a knot or by snapping together.

[0026] The specific operation of the nuclear power unit condenser titanium tube anti-vibration strip installation device is: cut the anti-vibration strip 1 into the required length, and wind the first connecting belt 3 on the base 2. The specific winding method is that the main body of the first connecting belt 3 passes through the first clamping portion 221, the first positioning hole 11 and the second clamping portion 222 in sequence, and then the head end and the end of the first connecting belt 3 are both located on the side of the main section 21 away from the clamping section 22. The head end and the end of the first connecting belt 3 can be connected together for the operator to operate. Through this winding method, when the main section 21 and the clamping section 22 are inserted into the gap of the condenser titanium tube, the anti-vibration strip 1 can enter the gap of the condenser titanium tube together with the main section 21 and the clamping section 22. In addition, the main body of the second connecting belt 4 passes through the second positioning hole 12, and the head and the end of the second connecting belt 4 are also located on the side of the main section 21 away from the clamping section 22. The head and the end of the second connecting belt 4 can be connected together for the operator to operate. The first connecting belt 3 and the second connecting belt 4 jointly fix the relative position of the anti-vibration strip 1, and the anti-vibration strip 1 can be put in a tight state through manual operation. After the first connecting belt 3 and the second connecting belt 4 are wound, the base 2 is inserted into the gap between the two layers of titanium tubes where the anti-vibration strip 1 needs to be installed. At this time, the anti-vibration strip 1 remains in a tight state. When the first tube bundle of the upper titanium tube hits the limit block 5, that is, the installation position of the anti-vibration strip 1 is in place, the first connecting belt 3 and the second connecting belt 4 can be loosened at this time, and then the base 2 can be taken out, and finally the first connecting belt 3 and the second connecting belt 4 are untied and pulled out to complete the installation of the anti-vibration strip 1. Among them, the position of the limit block 5 can be determined according to the on-site insertion depth calculation, and then installed on the end of the main section 21 away from the clamping section 22.

[0027] The installation device for the anti-vibration strip of the condenser titanium tube of the nuclear power unit is designed according to the structural characteristics of the on-site equipment, taking into account the convenience of personnel use, and setting the limit block 5 so that it has the function of size positioning. After the anti-vibration strip 1 is installed, it can be ensured that the anti-vibration strip 1 is installed in place without measurement and verification, and can adapt to the titanium tube finger gaps of different depths. And through the setting of the first connecting belt 3 and the second connecting belt 4, a single person can operate it, the work efficiency is greatly improved, and it is simple and convenient to use.

[0028] The stop block 5 is detachably connected to the main section 21, or the stop block 5 is fixedly connected to the main section 21. It can be understood that when the stop block 5 is detachably connected to the main section 21, the relative position between the stop block 5 and the main section 21 can be conveniently adjusted according to the on-site insertion depth. The stop block 5 and the main section 21 can also be fixed together by welding after the on-site insertion depth is determined, thereby ensuring the firm stability of the nuclear power unit condenser titanium tube anti-vibration strip installation device when in use. In addition, the cross-sectional shape of the stop block 5 is rectangular.

[0029] The limit block 5 is connected with an operating member 6, and the operating member 6 is detachably connected to the limit block 5, or the operating member 6 is fixedly connected to the limit block 5. The operating member 6 can be a handle, which is used for convenient operation by an operator.

[0030] The length of the main body section 21 is 500 mm to 530 mm, and the length of the main body section 21 is preferably 515 mm. The width of the main body section 21 is 40 mm to 60 mm, and the width of the main body section 21 is preferably 50 mm. The thickness of the main body section 21 is 1 mm to 2 mm, and the thickness of the main body section 21 is preferably 1.5 mm. The length of the clamping section 22 is 40 mm to 60 mm, and the length of the clamping section 22 is preferably 50 mm. The specifications and dimensions of the above components can be adjusted according to the actual application requirements on site.

[0031] It can be understood that the above embodiments only express the preferred implementation methods of the utility model, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the patent scope of the utility model. It should be pointed out that, for ordinary technicians in this field, without departing from the concept of the utility model, the above-mentioned technical features can be freely combined, and several deformations and improvements can be made, which all belong to the protection scope of the utility model. Therefore, all equivalent changes and modifications made to the scope of the claims of the utility model should fall within the scope of the claims of the utility model.

Claims

1. A device for installing a vibration-proof strip of a titanium tube of a condenser of a nuclear power unit, wherein a first positioning hole (11) and a second positioning hole (12) are respectively provided at both ends of the vibration-proof strip (1), characterized in that: It comprises a base (2), a first connecting belt (3), a second connecting belt (4) and a limiting block (5); The base (2) comprises a main body section (21) and a clamping section (22) integrally formed on one end of the main body section (21), and a first clamping portion (221) and a second clamping portion (222) are respectively provided on two sides of the clamping section (22); When the anti-vibration strip (1) needs to be installed, the main body section (21) and the clamping section (22) are inserted into the gap of the condenser titanium tube, the main body of the first connecting belt (3) passes through the first clamping portion (221), the first positioning hole (11) and the second clamping portion (222) in sequence, and the main body of the second connecting belt (4) passes through the second positioning hole (12); The limiting block (5) is arranged on an end of the main body section (21) away from the clamping section (22).

2. The device for installing anti-vibration strips of titanium tubes for condensers of nuclear power plants according to claim 1, characterized in that: The limiting block (5) is detachably connected to the main body section (21).

3. The device for installing anti-vibration strips of titanium tubes for condensers of nuclear power plants according to claim 1, characterized in that: The limiting block (5) is fixedly connected to the main body section (21).

4. The device for installing anti-vibration strips of titanium tubes for condensers of nuclear power plants according to claim 1, characterized in that: The limit block (5) is connected to an operating member (6).

5. The device for installing anti-vibration strips of titanium tubes for condensers of nuclear power plants according to claim 4, characterized in that: The operating member (6) is detachably connected to the limiting block (5), or the operating member (6) is fixedly connected to the limiting block (5).

6. The device for installing anti-vibration strips of titanium tubes for condensers of nuclear power plants according to claim 1, characterized in that: The length of the main body section (21) is 500 mm to 530 mm.

7. The device for installing anti-vibration strips of titanium tubes for condensers of nuclear power plants according to claim 1, characterized in that: The width of the main body section (21) is 40 mm to 60 mm.

8. The device for installing anti-vibration strips of titanium tubes for condensers of nuclear power plants according to claim 1, characterized in that: The thickness of the main body section (21) is 1 mm to 2 mm.

9. The device for installing anti-vibration strips of titanium tubes for condensers of nuclear power plants according to claim 1, characterized in that: The length of the clamping section (22) is 40 mm to 60 mm.

10. The device for installing anti-vibration strips of titanium tubes for condensers of nuclear power plants according to claim 1, characterized in that: The cross-section of the limiting block (5) is rectangular.

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