Nuclear power plant water level gauge lifting device
By designing a lifting device for nuclear power plant water level gauges and utilizing the automated adjustment of the support, column, and hook components, the problem of high manpower consumption in lifting nuclear power plant water level gauges was solved, and stable and efficient test execution was achieved.
Patent Information
- Application Number
- CN202520465441.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-17
- Publication Date
- 2026-02-03
- Estimated Expiration
- 2035-03-17
AI Technical Summary
During the periodic operation tests of the water level gauge lifting device in nuclear power plants, multiple operators are required to work together. Manually lifting the water level gauge carries the risk of repeated height adjustments, which may prevent the test from being completed smoothly.
Design a water level gauge lifting device for nuclear power plants, including a bracket, a column, a height adjustment component, and a hook component. The device achieves automated height adjustment through clamping parts and adjustment knobs, reducing manpower consumption.
The automation of water level gauges has been achieved, reducing the number of test personnel, improving test stability and efficiency, and reducing the burden of manpower and the risk of operational errors.
Smart Images
Figure CN223868883U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of nuclear power technology, and in particular to a water level gauge lifting device for nuclear power plants. Background Technology
[0002] The periodic test T1 / 2CFI005 / 006 / 007 / 015 / 016 (rotary filter head loss high 1, high 2, high 3, high 4 water level test) is a material change cycle test used to verify the alarm or action when the rotary filter head loss is at each set value.
[0003] The test requires the cooperation of three on-site operators and two instrumentation personnel. The test personnel must manually lift the level gauge sensor to each height platform and maintain it to verify that it can trigger the action signal. When performing verification at the three-out-of-three platforms (high 2, high 3, and high 4), one person needs to measure the height with a measuring tape, two people need to manually lift the sensor, and two more people need to communicate with the main control hotline and check the correct operation of the rotating filter. Five people are required to successfully execute the test. Manually lifting and maintaining a fixed height for an extended period is a challenge for the test personnel, posing a risk of repeated height adjustments and test failure. Utility Model Content
[0004] The technical problem to be solved by this utility model is to provide a lifting device for a water level gauge in a nuclear power plant.
[0005] The technical solution adopted by this utility model to solve its technical problem is: to construct a nuclear power plant water level gauge lifting device, including a bracket, a column, a height adjustment component and a hook component;
[0006] The lower end of the column is connected to the bracket. The height adjustment assembly includes a first clamping member and a second clamping member connected to each other. The first clamping member is installed on the column and can move along the height direction of the column. The second clamping member is connected to the first clamping member.
[0007] The hook assembly includes a horizontal support rod, a mounting rod, and a hook. The horizontal support rod is connected to the second clamping member, and the second clamping member is movable along the length direction of the horizontal support rod. Third clamping members are respectively provided at both ends of the horizontal support rod along its length direction. The mounting rod is connected to the third clamping member, and the hook is connected to the end of the mounting rod. The hook is used to connect to the flange of the nuclear power plant water level gauge.
[0008] In some embodiments, the bracket includes a mounting cylinder and a plurality of legs connected to the mounting cylinder; the lower end of the column is fixed to the inner cavity of the mounting cylinder.
[0009] In some embodiments, the side surface of the column is provided with a limiting groove extending along the axial direction of the column.
[0010] The mounting cylinder is provided with a limiting member for extending into the limiting groove to relatively fix the column.
[0011] In some embodiments, the first clamping member comprises a first clamping part provided with a first opening extending in the longitudinal direction, and the outer side surface of the first clamping part is provided with two first connecting parts on both sides of the first opening, and the two first connecting parts are connected by a first fastener.
[0012] In some embodiments, the first clamping member further comprises a limiting block between the two first connecting parts, and part of the structure of the limiting block is clamped in the limiting groove, and the first fastener connects the first connecting parts and the limiting block.
[0013] In some embodiments, the column is further provided with a first tooth row extending along the axial direction of the column, and the outer side surface of the first clamping part is further provided with a first mounting part in communication with the inner cavity of the first clamping part.
[0014] The height adjusting assembly further comprises a first adjusting knob, one end of the first adjusting knob is mounted in the first mounting part, and part of the first adjusting knob in the first mounting part is provided with a first gear meshing with the first tooth row.
[0015] In some embodiments, the second clamping member comprises a second clamping part provided with a second opening extending in the transverse direction, and the outer side surface of the second clamping part is provided with two second connecting parts on both sides of the second opening, and the two second connecting parts are connected by a second fastener.
[0016] In some embodiments, the horizontal support rod is provided with a second tooth row extending along the length direction of the horizontal support rod.
[0017] The outer side surface of the second clamping part on one side of the second opening is further provided with a second mounting part, and the hook assembly further comprises a second adjusting knob mounted in the second mounting part, and the end part of the second adjusting knob is provided with a second gear meshing with the second tooth row.
[0018] In some embodiments, the third clamping member comprises a third clamping part provided with a third opening extending in the longitudinal direction, and the outer side surface of the third clamping part is provided with two third connecting parts on both sides of the third opening, and the two third connecting parts are connected by a third fastener.
[0019] In some embodiments, the column is provided with a first scale extending along the height direction thereof;
[0020] The horizontal support rod is provided with a second scale extending along the horizontal direction thereof.
[0021] The utility model discloses the following beneficial effects are obtained: the use of the nuclear power plant water level gauge lifting device can reduce two test personnel, and after the height adjusting assembly is lifted to the test height, can maintain for a long time, improves the stability of test, guarantees the smooth completion of test. BRIEF DESCRIPTION OF DRAWINGS
[0022] In order to more clearly illustrate the technical scheme of the utility model, the utility model will be further described below in combination with the drawings and embodiments, and it should be understood that the following drawings only show some embodiments of the utility model, and therefore should not be regarded as a limitation on the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor. In the drawings:
[0023] Fig. 1 It is one of the structure schematic diagram of the nuclear power plant water level gauge lifting device in some embodiments of the utility model;
[0024] Fig. 2 It is the second structure schematic diagram of the nuclear power plant water level gauge lifting device in some embodiments of the utility model;
[0025] Fig. 3 It is the third structure schematic diagram of the nuclear power plant water level gauge lifting device in some embodiments of the utility model. DETAILED DESCRIPTION
[0026] In order to have more clear understanding of the technical features, purposes and effects of the utility model, the specific implementation mode of the utility model will be described in detail by comparing the drawings. In the following description, it should be understood that the orientation or position relationship indicated by "front", "back", "upper", "lower", "left", "right", "vertical", "horizontal", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", "tail" and the like is the orientation or position relationship shown in the drawings, and is constructed and operated in a particular orientation, and is only for the convenience of describing the technical scheme, and cannot be understood as indicating that the indicated device or element must have a particular orientation, and therefore cannot be understood as a limitation on the utility model.
[0027] It should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing", "arranging" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements or the interaction relationship between two elements. When an element is referred to as "on" or "below" another element, the element can be "directly" or "indirectly" above the other element, or there can be one or more intervening elements. The terms "first", "second", "third" and the like are only for the convenience of describing the technical solutions, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features with "first", "second", "third" and the like can be explicitly or implicitly included one or more of the features. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0028] In the following description, specific details are set forth such as specific system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the present application for purposes of explanation, but not for purposes of limitation. However, it should be apparent to those skilled in the art that the present application can be implemented in other embodiments without these specific details. In other cases, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary details.
[0029] Referring to Figs. 1 to 3 The utility model discloses a kind of nuclear power plant water level gauge lifting device, it can be used for nuclear power plant water level gauge lifting, and the nuclear power plant water level gauge can be lifted to predetermined height to carry out relevant test. The nuclear power plant water level gauge includes but is not limited to CFI water level gauge, in some embodiments, the nuclear power plant water level gauge can also be defined as nuclear power plant liquid level sensor.
[0030] In some embodiments, the nuclear power plant water level gauge lifting device includes support 10, column 20, height adjusting assembly 30 and hook assembly 40.
[0031] The lower end of the column 20 is connected with the support 10, and the height adjusting assembly 30 includes a first clamping piece 31 and a second clamping piece 32 connected with each other. The first clamping piece 31 is installed on the column 20, and the first clamping piece 31 can move along the height direction of the column 20. The second clamping piece 32 is connected with the first clamping piece 31. The second clamping piece 32 and the first clamping piece 31 can be fixedly connected or rotatably connected. If rotatable connection is selected, a rotating shaft connection mode can be selected.
[0032] The hook assembly 40 comprises a horizontal support rod 41, a mounting rod 42 and a hook 43, the number of the horizontal support rod 41 can be one, the number of the mounting rod 42 and the hook 43 can be two (or two groups). Among them, the horizontal support rod 41 is connected with the second clamping piece 32, and the second clamping piece can move along the length direction of the horizontal support rod 41; the length direction of the horizontal support rod 41 is respectively provided with a third clamping piece 44 at both ends; the mounting rod 42 is connected with the third clamping piece 44, and the hook 43 is connected with the end of the mounting rod 42, and the hook 43 is used for connecting with the flange of the nuclear power plant water level gauge.
[0033] The nuclear power plant water level gauge lifting device is based on the difficulties in the operation site test, which can effectively reduce the test human resource consumption, improve the test process stability, effectively reduce the operation and communication failure, eliminate the human unstable factors, and ensure the stable and efficient completion of the test.
[0034] In some embodiments, the support 10 comprises a mounting cylinder 11 and a plurality of supporting legs 12 connected with the mounting cylinder 11; the lower end of the column 20 is fixed in the inner cavity of the mounting cylinder 11. The supporting leg 12 can be three arc-shaped supporting legs.
[0035] In some embodiments, the column 20 is substantially cylindrical, and the side surface of the column 20 is provided with a limiting groove 21 extending along the axial direction of the column 20; the mounting cylinder 11 is provided with a limiting piece 13 for extending into the limiting groove 21 to relatively fix the column 20. The limiting piece 13 can be, but is not limited to, a fastening bolt or an adjusting knob, which is not limited here as long as it meets the limiting function.
[0036] In some embodiments, the first clamping piece 31 comprises a first clamping part 311 provided with a first opening extending longitudinally, and the outer side surface of the first clamping part 311 is provided with two first connecting parts 312 on both sides of the first opening, and the two first connecting parts 312 are connected by a first fastening piece 313. The first fastening piece 313 can be, but is not limited to, a disc-shaped bolt.
[0037] In some embodiments, the first clamping piece 31 further comprises a limiting block 314 located between the two first connecting parts 312, and part of the structure of the limiting block 314 is clamped in the limiting groove 21, and the first fastening piece 313 connects the first connecting part 312 and the limiting block 314. The limiting block 314 can assist in limiting the first clamping piece 31 and the column 20, in addition, the limiting block 314 and the limiting groove 21 can also play a mutual guiding role.
[0038] In some embodiments, the post 20 is further provided with a first tooth row 22; the first tooth row 22 is arranged along the axial direction of the post 20; the outer side of the first clamping part 311 is further provided with a first mounting part 315, which is in communication with the inner cavity of the first clamping part 311. The height adjusting assembly 30 further comprises a first adjusting knob 33, one end of which is mounted in the first mounting part 315, and the part of the first adjusting knob 33 located in the first mounting part 315 is provided with a first gear (not shown) which is in mesh with the first tooth row 22, so that when the first adjusting knob 33 is rotated, the first clamping part 31 can be moved along the height direction of the first tooth row 22, thereby adjusting the height position of the hook assembly 40.
[0039] In some embodiments, the second clamping part 32 comprises a second clamping part 321 provided with a second opening extending transversely, and the outer side of the second clamping part 321 located on both sides of the second opening is provided with two second connecting parts 322, respectively, which are connected by a second fastener 323. The second fastener 323 includes but is not limited to a locking bolt.
[0040] In some embodiments, the horizontal support rod 41 is provided with a second tooth row 411 arranged along the length direction of the horizontal support rod 41; the second tooth row 411 can be arranged on the side of the horizontal support rod 41 away from the first clamping part 31.
[0041] Further, the outer side of the second clamping part 321 located on one side of the second opening is further provided with a second mounting part 324, and the hook assembly 40 further comprises a second adjusting knob 45 mounted in the second mounting part 324 and provided with a second gear 451 at the end thereof which is in mesh with the second tooth row 411, so that when the second adjusting knob 45 is adjusted, the hooks 43 on both sides can be adjusted in the horizontal direction.
[0042] In some embodiments, the third clamping part 44 comprises a third clamping part 441 provided with a third opening extending longitudinally, and the outer side of the third clamping part 441 located on both sides of the third opening is provided with two third connecting parts 442, respectively, which are connected by a third fastener 443. The third fastener 443 includes but is not limited to a butterfly bolt.
[0043] In some embodiments, the post 20 is provided with a first scale extending along the height direction thereof; and the horizontal support rod 41 is provided with a second scale extending along the horizontal direction thereof, so that the worker can know the adjustment condition, of course, the worker can also use a tape measure for assistance, which is not specifically limited here.
[0044] In some embodiments, the stand 10, the column 20, the height adjustment assembly 30, and the hook assembly 40 can be made of metal materials, including but not limited to stainless steel, aluminum alloy, or other metals.
[0045] In some embodiments, the nuclear power plant water level gauge lifting device is applied as follows:
[0046] (1) Put the completed assembly of the nuclear power plant water level gauge lifting device into the water level gauge coffer pit, adjust the hook assembly 40 so that the hook 43 is directly above the nuclear power plant water level gauge flange, to ensure the vertical lifting of the liquid level meter.
[0047] (2) The height on the column 20 can be calibrated with a tape measure to ensure that it is consistent with the actual height.
[0048] (3) Loosen the nuclear power plant water level gauge flange nut with a wrench, and place the nuclear power plant water level gauge flange onto the hook.
[0049] (4) Adjust the height adjustment assembly 30 to lift the nuclear power plant water level gauge to the specified height, and the first clamping piece 31 to prevent the height adjustment assembly 30 and the hook assembly 40 from descending by gravity.
[0050] (5) After the test verifies that the drum net switches to medium and high speed, and the on-site related inspections are completed, perform the recovery operation: adjust the height adjustment assembly 30 to lower the nuclear power plant water level gauge to the original installation height, and reinstall the nuclear power plant water level gauge.
[0051] The use of the nuclear power plant water level gauge lifting device can reduce two test personnel, and after the height adjustment assembly 30 is lifted to the test height, it can be maintained for a long time, improving the stability of the test and ensuring the smooth completion of the test. At the same time, it reduces the labor consumption during the overhaul, reduces the workload of personnel, improves the flexibility of the arrangement of operating personnel, and improves the economic benefits.
[0052] Specifically, the nuclear power plant water level gauge lifting device can replace manpower, improve reliability, and reduce the risk of human error, which is of great significance to improving work efficiency. Through the nuclear power plant water level gauge lifting device to perform related tests, it effectively reduces the test personnel, reduces the burden on personnel, improves the flexibility of the arrangement of operating personnel, and improves the economic benefits. It improves the stability of the test process, effectively reduces the operation and communication errors, eliminates the unstable factors caused by human factors, and improves the safety benefits. No modification is made to the existing equipment, the innovative development tool is simple to use, saves test manpower, significantly improves efficiency, and reduces human risk.
[0053] It can be understood that the above embodiments only express the preferred embodiments of the utility model, the description is more specific and detailed, but it can not be understood as the limitation of the utility model patent scope; it should be pointed out that for ordinary skilled person in the art, the above technical features can be freely combined without departing from the concept of the utility model, and a number of modifications and improvements can be made, which belong to the protection scope of the utility model; therefore, any equivalent transformation and modification within the scope of the utility model patent claim should belong to the scope of the utility model patent claim.
Claims
1. A water level gauge lifting device for a nuclear power plant, characterized in that, It includes a bracket (10), a column (20), a height adjustment assembly (30), and a hook assembly (40); The lower end of the column (20) is connected to the bracket (10). The height adjustment assembly (30) includes a first clamping member (31) and a second clamping member (32) connected to each other. The first clamping member (31) is installed on the column (20) and can move along the height direction of the column (20). The second clamping member (32) is connected to the first clamping member (31). The hook assembly (40) includes a horizontal support rod (41), a mounting rod (42), and a hook (43). The horizontal support rod (41) is connected to the second clamping member (32), and the second clamping member can move along the length direction of the horizontal support rod (41). The two ends of the horizontal support rod (41) along the length direction are respectively provided with third clamping members (44). The mounting rod (42) is connected to the third clamping member (44), and the hook (43) is connected to the end of the mounting rod (42). The hook (43) is used to connect to the flange of the nuclear power plant water level gauge.
2. The nuclear power plant water level gauge lifting device according to claim 1, characterized in that, The bracket (10) includes a mounting cylinder (11) and a plurality of legs (12) connected to the mounting cylinder (11); the lower end of the column (20) is fixed to the inner cavity of the mounting cylinder (11).
3. The nuclear power plant water level gauge lifting device according to claim 2, characterized in that, The side of the column (20) is provided with a limiting groove (21), which extends along the axial direction of the column (20); The mounting cylinder (11) is provided with a limiting member (13) for extending into the limiting groove (21) to fix the column (20) relative to it.
4. The nuclear power plant water level gauge lifting device according to claim 3, characterized in that, The first clamping member (31) includes a first clamping part (311), the first clamping part (311) is provided with a first opening extending longitudinally, and the outer side of the first clamping part (311) is provided with two first connecting parts (312) on both sides of the first opening, and the two first connecting parts (312) are connected by a first fastener (313).
5. The nuclear power plant water level gauge lifting device according to claim 4, characterized in that, The first clamping member (31) further includes a limiting block (314), which is located between the two first connecting parts (312), and a portion of the structure of the limiting block (314) is engaged in the limiting groove (21). The first fastener (313) connects the first connecting part (312) and the limiting block (314).
6. The nuclear power plant water level gauge lifting device according to claim 5, characterized in that, The column (20) is also provided with a first toothed row (22); the first toothed row (22) extends along the axial direction of the column (20); the outer side of the first clamping part (311) is also provided with a first mounting part (315), and the first mounting part (315) communicates with the inner cavity of the first clamping part (311); The height adjustment assembly (30) further includes a first adjustment knob (33), one end of which is installed in the first mounting portion (315). The portion of the first adjustment knob (33) located in the first mounting portion (315) is provided with a first gear that meshes with the first gear rack (22).
7. The nuclear power plant water level gauge lifting device according to claim 6, characterized in that, The second clamping member (32) includes a second clamping part (321), the second clamping part (321) is provided with a second opening extending laterally, and the outer side of the second clamping part (321) is provided with two second connecting parts (322) on both sides of the second opening, and the two second connecting parts (322) are connected by a second fastener (323).
8. The nuclear power plant water level gauge lifting device according to claim 7, characterized in that, The horizontal support rod (41) is provided with a second toothed row (411), which extends along the length direction of the horizontal support rod (41). The outer side of the second clamping part (321) is provided with a second mounting part (324) on one side of the second opening. The hook assembly (40) also includes a second adjusting knob (45). The second adjusting knob (45) is mounted on the second mounting part (324), and the end of the second adjusting knob (45) is provided with a second gear (451) that meshes with the second gear rack (411).
9. The nuclear power plant water level gauge lifting device according to claim 8, characterized in that, The third clamping member (44) includes a third clamping part (441), which has a longitudinally extending third opening. The outer side of the third clamping part (441) is provided with two third connecting parts (442) on both sides of the third opening. The two third connecting parts (442) are connected by a third fastener (443).
10. The nuclear power plant water level gauge lifting device according to claim 1, characterized in that, The column (20) is provided with a first scale extending along its height direction; The horizontal support rod (41) is provided with a second scale extending in its horizontal direction.