Oil seepage prevention device for nuclear power station steam turbine sensor cable

Abstract

The utility model relates to the technical field of steam turbine sensor cables, and discloses an oil seepage prevention device for a steam turbine sensor cable of a nuclear power station, which comprises two steam turbine sensor cable bodies arranged left and right. An anti-seepage mechanism and a fastening mechanism are arranged on the outer side face of the turbine sensor cable body. The anti-seepage mechanism comprises a fixed part and an anti-seepage part; the anti-seepage part is located on the inner side face of the fixing part. The fastening mechanism comprises a clamping part and a fastening part; and the fastening part is positioned on the bottom surface of the clamping part. Through the anti-seepage mechanism, a first fixing base, a first clamping plate, a sliding plate and an attaching plate in the fixing part are utilized for attachment, a second clamping plate, a first sealing ring, a second sealing ring and a sliding base in the anti-seepage part are utilized for being matched with the fixing part, a closed cavity is formed, and oil mist can be prevented from seeping outwards along the surface of the cable.

Description

Technical Field

[0001] The utility model relates to the technical field of steam turbine sensor cables, in particular to an anti-oil-leakage device for steam turbine sensor cables in nuclear power plants. Background Technique

[0002] For nuclear power plants, power generation is the core business. Since ensuring the safe and stable operation of nuclear power generation is of great significance to nuclear power plants, when a nuclear power plant uses a steam turbine for power generation, in order to timely measure the temperature information inside the steam turbine, a temperature sensor probe is usually arranged inside the steam turbine, and the temperature measured by the temperature sensor is transmitted out through a cable connected to the outside of the steam turbine.

[0003] Compared with the prior art: The accumulation of oil stains may form flammable substances, which may cause a fire once encountering a fire source, posing a serious threat to the safety of nuclear power plants. Risk of radioactive substance leakage: In the special environment of nuclear power plants, if oil stains seep into the area containing radioactive substances, it may increase the risk of radioactive substance leakage, causing long-term harm to the environment and human health.

[0004] Therefore, an anti-oil-leakage device for steam turbine sensor cables in nuclear power plants is proposed. Content of the Utility Model

[0005] The purpose of the utility model is to provide an anti-oil-leakage device for steam turbine sensor cables in nuclear power plants to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: An anti-oil-leakage device for steam turbine sensor cables in nuclear power plants, including a steam turbine sensor cable body, there are two steam turbine sensor cable bodies arranged left and right, and an anti-leakage mechanism and a fastening mechanism are arranged on the outer side surface of the steam turbine sensor cable body;

[0007] The anti-leakage mechanism includes a fixing part and an anti-leakage part;

[0008] The anti-leakage part is located on the inner side surface of the fixing part;

[0009] The fastening mechanism includes a clamping part and a fastening part;

[0010] The fastening part is located on the bottom surface of the clamping part.

[0011] Preferably, the fixing part includes a first fixing seat, the left side surface of the first fixing seat is fixedly connected to the right side surface of the left steam turbine sensor cable body, a first clamping plate is arranged on the right side surface of the first fixing seat, and the first clamping plate is fixedly connected to the first fixing seat.

[0012] Preferably, sliding plates are arranged on the inner sides of the first engaging plates. The outer sides of the sliding plates are fixedly connected to the inner sides of the first engaging plates. A fitting plate is arranged inside the sliding plates. The left side surface of the fitting plate is fixedly connected to the right side surface of the steam turbine sensor cable body. A second fixing seat is arranged on the right side of the fitting plate. The second fixing seat is movably connected to the first fixing seat. The right side surface of the second fixing seat is fixedly connected to the right steam turbine sensor cable body.

[0013] Preferably, the anti-seepage part includes a second engaging plate. The right side surface of the second engaging plate is fixedly connected to the left side surface of the second fixing seat. A first sealing ring is arranged on the top surface of the second engaging plate. The first sealing ring is movably connected to the second engaging plate. The surface of the second engaging plate is movably connected to the surface of the fitting plate.

[0014] Preferably, a second sealing ring is arranged below the first sealing ring. The second sealing ring is movably connected to the inner side surface of the steam turbine sensor cable body. The left side surface of the second sealing ring is movably connected to the right side surface of the fitting plate.

[0015] Preferably, a sliding seat is arranged above the second sealing ring. The bottom surface of the sliding seat is fixedly connected to the top surface of the second engaging plate. The surface of the sliding seat is slidably connected to the surface of the sliding plate.

[0016] Preferably, the engaging part includes an upper engaging plate. The upper engaging plate is sleeved on the surfaces of the first fixing seat and the second fixing seat. Fixing plates one are arranged on the outer sides of the upper engaging plate. The fixing plates one are fixedly connected to the upper engaging plate. A lower engaging plate is arranged below the upper engaging plate. The lower engaging plate is sleeved on the surfaces of the first fixing seat and the second fixing seat. Through the fixing part and the anti-seepage part in the anti-seepage mechanism, the anti-seepage effect is achieved.

[0017] Preferably, the fastening part includes fixing plates two. There are two fixing plates two arranged front and back. The fixing plates two are fixedly connected to the fastening mechanism. Fastening bolts are arranged through the inner walls of the fixing plates two. The fastening bolts penetrate and extend to the outside of the fixing plates one and the fixing plates two. The fastening bolts are threadedly connected to the fixing plates one and the fixing plates two. Fastening nuts are sleeved on the surfaces of the fastening bolts. The fastening nuts are threadedly connected to the surfaces of the fastening bolts. Through the engaging part and the fastening part in the fastening mechanism, the fastening effect is achieved.

[0018] Compared with the prior art, the beneficial effects of the present utility model are: This anti-oil-seepage device for the steam turbine sensor cable in a nuclear power plant

[0019] (1). Through the anti-seepage mechanism, by using the first fixing seat, the first engaging plate, the sliding plate, and the fitting plate in the fixing part, fitting is carried out. Then, by using the second engaging plate, the first sealing ring, the second sealing ring, and the sliding seat in the anti-seepage part, it is adapted to the fixing part, thereby forming a sealed cavity, which can prevent oil mist from seeping out along the surface of the cable.

[0020] (2) Through the fastening mechanism, using the fastening bolts and nuts in the engaging part to tighten and loosen, so as to make the upper and lower plates fit together, and then make the upper and lower plates fasten to the first fixing seat and the second fixing seat, thus avoiding situations such as falling off. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional schematic diagram of the structure of the present utility model;

[0022] Figure 2 It is a three-dimensional sectional schematic diagram of the overall structure of the present utility model;

[0023] Figure 3 It is a three-dimensional sectional schematic diagram of the overall anti-seepage structure of the present utility model;

[0024] Figure 4 It is a three-dimensional schematic diagram of the fastening structure of the present utility model.

[0025] In the figure: 1 Turbine sensor cable body, 2 Anti-seepage mechanism, 21 Fixing part, 22 Anti-seepage part, 211 First fixing seat, 212 First engaging plate, 213 Slide plate, 214 Fitting plate, 215 Second fixing seat, 221 Second engaging plate, 222 First sealing ring, 223 Second sealing ring, 224 Slide seat, 3 Fastening mechanism, 31 Engaging part, 32 Fastening part, 311 Upper plate, 312 First fixing plate, 313 Lower plate, 321 Second fixing plate, 322 Fastening bolt, 323 Fastening nut. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0027] Embodiment 1

[0028] Please refer to Figures 1 - 3 , the present utility model provides a technical solution: an anti-seepage oil device for a nuclear power plant turbine sensor cable, including a turbine sensor cable body 1, there are two turbine sensor cable bodies 1 arranged on the left and right, and an anti-seepage mechanism 2 and a fastening mechanism 3 are arranged on the outer side of the turbine sensor cable body 1;

[0029] The anti-seepage mechanism 2 includes a fixing part 21 and an anti-seepage part 22;

[0030] The anti-seepage part 22 is located on the inner side of the fixing part 21;

[0031] The fastening mechanism 3 includes a clamping portion 31 and a fastening portion 32;

[0032] The fastening portion 32 is located on the bottom surface of the clamping portion 31.

[0033] The fixing portion 21 includes a first fixing seat 211. The left side surface of the first fixing seat 211 is fixedly connected to the right side surface of the left steam turbine sensor cable body 1. A first clamping plate 212 is provided on the right side surface of the first fixing seat 211, and the first clamping plate 212 is fixedly connected to the first fixing seat 211.

[0034] Sliding plates 213 are provided on the inner side surfaces of the first clamping plate 212. The outer side surfaces of the sliding plates 213 are fixedly connected to the inner side surfaces of the first clamping plate 212. A fitting plate 214 is provided on the inner side of the sliding plate 213. The left side surface of the fitting plate 214 is fixedly connected to the right side surface of the steam turbine sensor cable body 1. A second fixing seat 215 is provided on the right side of the fitting plate 214. The second fixing seat 215 is movably connected to the first fixing seat 211, and the right side surface of the second fixing seat 215 is fixedly connected to the right steam turbine sensor cable body 1.

[0035] The anti-seepage portion 22 includes a second clamping plate 221. The right side surface of the second clamping plate 221 is fixedly connected to the left side surface of the second fixing seat 215. A first sealing ring 222 is provided on the top surface of the second clamping plate 221, and the first sealing ring 222 is movably connected to the second clamping plate 221. The surface of the second clamping plate 221 is movably connected to the surface of the fitting plate 214.

[0036] A second sealing ring 223 is provided below the first sealing ring 222. The second sealing ring 223 is movably connected to the inner side surface of the steam turbine sensor cable body 1, and the left side surface of the second sealing ring 223 is movably connected to the right side surface of the fitting plate 214.

[0037] A sliding seat 224 is provided above the second sealing ring 223. The bottom surface of the sliding seat 224 is fixedly connected to the top surface of the second clamping plate 221, and the surface of the sliding seat 224 is slidably connected to the surface of the sliding plate 213.

[0038] Furthermore, in this embodiment, through the anti-seepage mechanism 2, by using the first fixing seat 211 in the fixing portion 21, the first fixing seat 211 drives the connection portion of the left steam turbine sensor cable body 1 and the right steam turbine sensor cable body 1 to fit, so that the first fixing seat 211 and the second fixing seat 215 fit, so that the first clamping plate 212 drives the sliding plate 213 to move, so that the sliding plate 213 and the sliding seat 224 slide, so that the fitting plate 214 and the second clamping plate 221 are adapted to each other, so that the first clamping plate 212 and the fitting plate 214 squeeze the first sealing ring 222 and the second sealing ring 223, so as to perform tight fitting and thus perform anti-seepage;

[0039] Further, in this embodiment, through the anti-seepage mechanism 2, by using the fixing seat one 211, the engaging plate one 212, the sliding plate 213, and the fitting plate 214 in the fixing part 21, fitting is carried out, and then by using the engaging plate two 221, the sealing ring one 222, the sealing ring two 223, and the sliding seat 224 in the anti-seepage part 22, it is adapted to the fixing part 21, thereby forming a sealed cavity, which can prevent oil mist from seeping out along the surface of the cable;

[0040] Embodiment Two

[0041] Please refer to Figure 1 、 Figure 2 、 Figure 4 and, on the basis of Embodiment One, it is further obtained that the engaging part 31 includes an upper engaging plate 311, the upper engaging plate 311 is sleeved on the surfaces of the fixing seat one 211 and the fixing seat two 215, fixing plates one 312 are arranged on the outer side surfaces of the upper engaging plate 311, the fixing plates one 312 are fixedly connected to the upper engaging plate 311, a lower engaging plate 313 is arranged below the upper engaging plate 311, and the lower engaging plate 313 is sleeved on the surfaces of the fixing seat one 211 and the fixing seat two 215.

[0042] The fastening part 32 includes fixing plates two 321, there are two fixing plates two 321 arranged front and back, the fixing plates two 321 are fixedly connected to the fastening mechanism 3, fastening bolts 322 are arranged through the inner walls of the fixing plates two 321, the fastening bolts 322 penetrate and extend to the outside of the fixing plates one 312 and the fixing plates two 321, the fastening bolts 322 are threadedly connected to the fixing plates one 312 and the fixing plates two 321, fastening nuts 323 are sleeved on the surfaces of the fastening bolts 322, and the fastening nuts 323 are threadedly connected to the surfaces of the fastening bolts 322.

[0043] Further, in this embodiment, through the fastening mechanism 3, by using the fastening bolts 322 and the fastening nuts 323 in the engaging part 31, adjustment is carried out, so that the upper engaging plate 311 and the lower engaging plate 313 closely fit the fixing seat one 211 and the fixing seat two 215, and then fastening is carried out by using the fastening nuts 323 and the fastening bolts 322;

[0044] Further, in this embodiment, through the fastening mechanism 3, by using the fastening bolts 322 and the fastening nuts 323 in the engaging part 31, loosening and tightening are carried out, and then fitting is carried out by using the upper engaging plate 311 and the lower engaging plate 313, so that the upper engaging plate 311 and the lower engaging plate 313 are fastened to the fixing seat one 211 and the fixing seat two 215, thereby avoiding situations such as falling off.

[0045] In use, the operator passes through the anti-seepage mechanism 2 and uses the first fixing seat 211 in the fixing part 21 to make the first fixing seat 211 drive the connection part of the left steam turbine sensor cable body 1 and the right steam turbine sensor cable body 1 to fit together, so that the first fixing seat 211 and the second fixing seat 215 fit together, so that the first engaging plate 212 drives the sliding plate 213 to move, so that the sliding plate 213 and the sliding seat 224 slide, so that the fitting plate 214 and the second engaging plate 221 are adapted to each other, so that the first engaging plate 212 and the fitting plate 214 squeeze the first sealing ring 222 and the second sealing ring 223, so as to achieve tight fitting and thus anti-seepage. Then, through the fastening mechanism 3, using the fastening bolt 322 and the fastening nut 323 in the engaging part 31, adjustment is carried out, so that the upper fitting plate 311 and the lower fitting plate 313 tightly fit the first fixing seat 211 and the second fixing seat 215, and then the fastening nut 323 and the fastening bolt 322 are used for fastening.

[0046] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An anti-oil seepage device for a nuclear power plant steam turbine sensor cable, comprising a steam turbine sensor cable body (1), characterized in that: Two steam turbine sensor cable bodies (1) are provided on the left and right sides, and an anti-seepage mechanism (2) and a fastening mechanism (3) are provided on the outer side of the steam turbine sensor cable body (1); The anti-seepage mechanism (2) comprises a fixing part (21) and an anti-seepage part (22); The anti-seepage portion (22) is located on the inner side of the fixing portion (21); The fastening mechanism (3) comprises a snap-fitting portion (31) and a fastening portion (32); The fastening portion (32) is located on the bottom surface of the locking portion (31).

2. The oil seepage prevention device for a nuclear power plant steam turbine sensor cable according to claim 1, characterized in that: The fixing portion (21) comprises a fixing seat (211), the left side of the fixing seat (211) being fixedly connected to the right side of the left steam turbine sensor cable body (1), and the right side of the fixing seat (211) being provided with a clamping plate (212), and the clamping plate (212) being fixedly connected to the fixing seat (211).

3. The oil seepage prevention device for a nuclear power plant steam turbine sensor cable according to claim 2, characterized in that: A slide plate (213) is provided on the inner side of the snap-fit ​​plate 1 (212); the outer side of the slide plate (213) is fixedly connected to the inner side of the snap-fit ​​plate 1 (212); a bonding plate (214) is provided on the inner side of the slide plate (213); the left side of the bonding plate (214) is fixedly connected to the right side of the steam turbine sensor cable body (1); a fixing seat 2 (215) is provided on the right side of the bonding plate (214); the fixing seat 2 (215) is movably connected to the fixing seat 1 (211); the right side of the fixing seat 2 (215) is fixedly connected to the right steam turbine sensor cable body (1).

4. The oil seepage prevention device for a nuclear power plant steam turbine sensor cable according to claim 3, characterized in that: The anti-seepage part (22) comprises a second snap-fit ​​plate (221), the right side surface of the second snap-fit ​​plate (221) is fixedly connected to the left side surface of the second fixing seat (215), the top surface of the second snap-fit ​​plate (221) is provided with a sealing ring (222), the sealing ring (222) is movably connected to the second snap-fit ​​plate (221), and the surface of the second snap-fit ​​plate (221) is movably connected to the surface of the bonding plate (214).

5. The oil seepage prevention device for a nuclear power plant steam turbine sensor cable according to claim 4, characterized in that: A second sealing ring (223) is arranged below the first sealing ring (222), and the second sealing ring (223) is movably connected to the inner side of the steam turbine sensor cable body (1), and the left side of the second sealing ring (223) is movably connected to the right side of the bonding plate (214).

6. The oil seepage prevention device for nuclear power plant steam turbine sensor cable according to claim 5, characterized in that: A sliding seat (224) is arranged above the second sealing ring (223); the bottom surface of the sliding seat (224) is fixedly connected to the top surface of the second clamping plate (221); and the surface of the sliding seat (224) is slidably connected to the surface of the sliding plate (213).

7. The oil seepage prevention device for a nuclear power plant steam turbine sensor cable according to claim 1, characterized in that: The clamping portion (31) comprises an upper closing plate (311), the upper closing plate (311) being sleeved on the surfaces of the first fixing seat (211) and the second fixing seat (215), the outer side surface of the upper closing plate (311) being provided with a first fixing plate (312), the first fixing plate (312) being fixedly connected to the upper closing plate (311), and a lower closing plate (313) being sleeved on the surfaces of the first fixing seat (211) and the second fixing seat (215).

8. The oil seepage prevention device for nuclear power plant steam turbine sensor cable according to claim 7, characterized in that: The fastening portion (32) comprises a second fixing plate (321), two of which are arranged at the front and rear of the second fixing plate (321), the second fixing plate (321) being fixedly connected to the fastening mechanism (3), a fastening bolt (322) being arranged through the inner wall of the second fixing plate (321), the fastening bolt (322) extending through and extending to the outside of the first fixing plate (312) and the second fixing plate (321), the fastening bolt (322) being threadedly connected to the first fixing plate (312) and the second fixing plate (321), the surface of the fastening bolt (322) being sleeved with a fastening nut (323), the fastening nut (323) being threadedly connected to the surface of the fastening bolt (322).

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