CN220323130U - Winding-preventing limiting device and nondestructive detection system - Google Patents
Winding-preventing limiting device and nondestructive detection system Download PDFInfo
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- CN220323130U CN220323130U CN202320381789.4U CN202320381789U CN220323130U CN 220323130 U CN220323130 U CN 220323130U CN 202320381789 U CN202320381789 U CN 202320381789U CN 220323130 U CN220323130 U CN 220323130U
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- 238000001514 detection method Methods 0.000 title description 12
- 238000004804 winding Methods 0.000 claims abstract description 30
- 238000007689 inspection Methods 0.000 claims description 25
- 230000001066 destructive effect Effects 0.000 claims description 17
- 230000001681 protective effect Effects 0.000 claims description 7
- 239000012780 transparent material Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000011179 visual inspection Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 6
- 238000012360 testing method Methods 0.000 abstract description 5
- 238000009659 non-destructive testing Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The embodiment of the application discloses prevent wire winding stop device and nondestructive test system, prevent wire winding stop device has included the fixing base, spacing seat and limit stop, based on this, prevent wire winding stop device through this embodiment of this, when detecting the pressure vessel of nuclear power station, can set up the device that waits to detect with preventing wire winding stop device, and later treat detecting device through the rotation of image acquisition subassembly and carry out visual inspection, can carry out the butt with limit stop at image acquisition subassembly rotation in-process, can drive limit stop and slide certain distance at the butt in-process, then can not continue to remove to extreme position limit stop along with limit stop, limit stop can be spacing image acquisition subassembly, can make image acquisition subassembly's rotation angle be greater than 360, and can restrict image acquisition subassembly's rotation range at reasonable interval, the probability of wire winding has been reduced.
Description
Technical Field
The embodiment of the application relates to the technical field of nondestructive testing of nuclear power station equipment, in particular to an anti-winding limiting device and a nondestructive testing system.
Background
According to the operation experience feedback of the nuclear power station, the primary components of the pressure vessel such as a steam generator, a voltage stabilizer, a top cover and the like are easy to generate opening defects such as cracks, corrosion and the like under severe working conditions such as high temperature, high pressure, high irradiation, water flow and the like when working for a long time, and video inspection is needed to be implemented in the primary components to ensure safe and reliable operation of the primary components.
In the video inspection process, a mode that a servo motor drives a camera is generally selected to carry out indirect visual inspection on an inspection area of the inspected part. According to the related inspection specifications and program requirements, 100% area visual inspection is required for the inspected part, and the motor needs to continuously rotate by more than 360 degrees during inspection so as to ensure that the inspection coverage meets the related file requirements. However, the mechanical structure can drive the relative cable to rotate on the shaft when rotating, and if related protection measures are not adopted, the possibility that the internal cable is stranded and finally the cable breaks can occur.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art or related art.
To this end, a first aspect of the utility model provides an anti-windup limit device.
A second aspect of the utility model provides a non-destructive inspection system.
In view of this, according to a first aspect of an embodiment of the present application, there is provided an anti-winding limiting device, including:
a fixing seat;
the limiting seat is connected to the fixed seat, and a strip hole is formed in the limiting seat;
the limit stop is connected with the limit seat in a sliding manner, and part of the limit stop extends out through the strip hole.
In a possible implementation manner, the fixing seat and the limiting seat are provided with threaded holes, and the fixing seat and the limiting seat are detachably connected.
In one possible embodiment, the limit stop comprises:
the sliding block and the protruding block are arranged in the limiting seat, a hollow part is formed in the limiting seat, the hollow part is communicated to the strip hole, the sliding block is arranged in the hollow part, and the protruding block is connected with the sliding block.
In one possible embodiment, the limit stop is arc-shaped, and the sliding amplitude of the limit stop relative to the limit stop is greater than or equal to 30 °.
According to a second aspect of embodiments of the present application, there is provided a non-destructive inspection system, comprising:
the anti-winding limiting device according to any one of the above technical solutions;
the rotating shaft is provided with a limiting block, and the limiting block is used for being abutted with the limit stop block.
In one possible embodiment, the non-destructive inspection system further comprises: the image acquisition assembly is arranged on the rotating shaft;
the driving piece is connected with the rotating shaft.
In one possible embodiment, the rotating shaft is a hollow shaft, and the cable of the image acquisition assembly is arranged through the hollow shaft.
In one possible embodiment, the non-destructive inspection system further comprises: the rotating shaft is provided with a window, the window is covered by the protective sheet, and the protective sheet is made of transparent materials.
In one possible embodiment, the non-destructive inspection system further comprises: the buffer cushion is arranged on the limiting block and the limit stop block.
In one possible embodiment, the non-destructive inspection system further comprises:
the base, the pivot with the fixing base sets up on the base.
Compared with the prior art, the utility model at least comprises the following beneficial effects:
the embodiment of the application provides an anti-winding limiting device has included fixing base, spacing seat and limit stop, and limit stop sliding connection in spacing seat, and part limit stop stretches out via rectangular hole, based on this through the anti-winding limiting device that this embodiment provided, when detecting the pressure vessel of nuclear power station, can set up anti-winding limiting device in the device that waits to detect, and later treat detecting device and carry out visual inspection through the rotation of image acquisition subassembly, can carry out the butt with limit stop in the image acquisition subassembly rotation in-process, can drive limit stop and slide certain distance at the butt in-process, then slide to extreme position limit stop along with limit stop and can not continue to remove, limit stop can carry out spacingly to image acquisition subassembly, based on this can make the rotation angle of image acquisition subassembly be greater than 360, and can restrict the rotation range of image acquisition subassembly at reasonable interval, the probability of wire winding has been reduced, the cracked possibility has been reduced to the cable appearance, nondestructive test system's life has been improved.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the application. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:
FIG. 1 is a schematic block diagram of an anti-winding limiting device according to an embodiment of the present application;
FIG. 2 is a schematic block diagram of an operational state of a nondestructive inspection system of one embodiment provided herein;
FIG. 3 is a schematic block diagram of another operational state of a nondestructive inspection system according to one embodiment of the present application.
The correspondence between the reference numerals and the component names in fig. 1 to 3 is:
110 fixing seats, 120 limiting seats, 130 limiting stops, 210 rotating shafts and 220 limiting blocks;
111 threaded holes, 121 elongated holes.
Detailed Description
In order to better understand the technical solutions described above, the technical solutions of the embodiments of the present application are described in detail below through the accompanying drawings and the specific embodiments, and it should be understood that the embodiments of the present application and the specific features in the embodiments are detailed descriptions of the technical solutions of the embodiments of the present application, and not limit the technical solutions of the present application, and the embodiments of the present application and the technical features in the embodiments of the present application may be combined with each other without conflict.
As shown in fig. 1, according to a first aspect of an embodiment of the present application, an anti-winding limiting device is provided, including: a fixing base 110; the limiting seat 120 is connected to the fixed seat 110, and a strip hole 121 is formed in the limiting seat 120; the limit stop 130, the limit stop 130 is slidably connected to the limit seat 120, and a portion of the limit stop 130 protrudes through the elongated hole 121.
The anti-winding limiting device provided by the embodiment of the application comprises a fixed seat 110, a limiting seat 120 and a limiting stop 130, wherein the limiting stop 130 is slidably connected to the limiting seat 120, and part of limiting stop 130 extends out through a long-strip hole 121.
As shown in fig. 1, in a possible embodiment, the fixing base 110 and the limiting base 120 are both provided with threaded holes 111, and the fixing base 110 and the limiting base 120 are detachably connected.
In this technical scheme, further provided fixing base 110 and spacing seat 120's connected mode, fixing base 110 and spacing seat 120 can dismantle the connection, so set up the equipment and the maintenance of being convenient for prevent wire winding stop device.
In one possible embodiment, the limit stop 130 includes: the limiting seat 120 is internally provided with a hollow part, the hollow part is communicated to the strip hole 121, the sliding block is arranged in the hollow part, and the protruding block is connected with the sliding block.
In this technical scheme, further provided the structure of limit stop 130 is constituteed, and limit stop 130 has included slider and lug, and the slider setting is in the cavity, and when the slider did not remove extreme position's condition, when detecting the piece and contact with limit stop 130, the slider can slide in the cavity, and when the slider was in extreme position and the wall contact of cavity, limit stop 130 will not continue to remove, and limit stop 130 can carry out the spacing to detecting the piece. Based on this has simplified the structure of preventing wire winding stop device, is convenient for prevent wire winding stop device's production and processing, can reduce manufacturing cost, makes image acquisition's subassembly rotation scope can be greater than 360 simultaneously, can carry out 100% regional visual inspection to the part of examining.
In one possible embodiment, the limit stop 120 is arcuate, and the sliding width of the limit stop 130 relative to the limit stop 120 is greater than or equal to 30 °.
In this technical scheme, further provided the style of spacing seat 120, spacing seat 120 is the arc, so sets up the travel path that can adapt to the detection piece, is convenient for carry out spacingly to the detection piece.
In this technical scheme, further provided the removal stroke of limit stop 130, limit stop 130 is greater than or equal to 30 for limit seat 120's slip range, based on this when limiting the detection piece through the anti-winding stop device that this embodiment provided, can make the rotatable scope of detection piece be 390, can carry out 100% regional visual inspection to the part of examining.
In some examples, to increase the mechanical strength of the anti-winding limiter while reducing the dead weight of the anti-winding limiter, the fixing base 110, the limit base 120, and the limit stop 130 may be made of an aluminum alloy material.
According to a second aspect of embodiments of the present application, there is provided a non-destructive inspection system, comprising: the anti-winding limiting device according to any one of the above technical solutions; the rotating shaft 210, a limiting block 220 is disposed on the rotating shaft 210, and the limiting block 220 is used for abutting against the limit stop 130.
The nondestructive testing system provided by the embodiment of the application comprises the winding-preventing limiting device according to any one of the technical schemes, so that the nondestructive testing system provided by the embodiment of the application has all the beneficial effects of the winding-preventing limiting device provided by the technical scheme.
The nondestructive testing system that this embodiment provided has included preventing wire winding stop device and pivot 210, and be provided with stopper 220 on the pivot 210, can be based on this to be used for carrying out the detection piece setting that detects to the equipment that detects on pivot 210, can drive the detection piece through the rotation of pivot 210 and rotate, with carry out 100% regional visual inspection to the part that detects, and through setting up stopper 220 on pivot 210, stopper 220 can carry out the butt with limit stop 130, and turn on the detection piece and limit, so set up the detection piece of being convenient for by spacing, and need not to change the structure of detection piece, can reduce nondestructive testing system's cost.
In one possible embodiment, the non-destructive inspection system further comprises: the image acquisition assembly is arranged on the rotating shaft 210; the driving piece is connected to the rotating shaft 210.
In this technical scheme, nondestructive test system can also include image acquisition subassembly and driving piece, through setting up image acquisition subassembly on pivot 210, connect driving piece in pivot 210 again, the driving piece can drive pivot 210 rotation, and pivot 210 can drive image acquisition subassembly rotation, and image acquisition subassembly can gather the image information of the inside of examined equipment to carry out 100% regional visual inspection to examined the part.
In some examples, the image acquisition assembly may include a camera and the drive may be a motor.
In one possible embodiment, the shaft 210 is a hollow shaft through which the cables of the image acquisition assembly pass.
In this technical scheme, further provided the style of pivot 210, pivot 210 is the hollow shaft, and the setting through the hollow shaft is convenient for wear to establish of cable, and the especially wear of the cable of being convenient for link to each other with image acquisition subassembly establishes, can further reduce the probability of wire winding.
In one possible embodiment, the non-destructive inspection system further comprises: the rotation shaft 210 is provided with a window, the window is covered by the protection sheet, and the protection sheet is made of transparent materials.
In this technical scheme, a window can be further formed on the rotating shaft 210, and the protective sheet covers the window, so that the user can observe the state of the cable in the rotating shaft 210 through the protective sheet by arranging the protective sheet and the window, thereby further reducing the probability of cable winding and avoiding the possibility of cable breakage.
In one possible embodiment, the non-destructive inspection system further comprises: and a cushion pad disposed on the stopper 220 and the limit stop 130.
In this technical scheme, nondestructive test system can also include the blotter, through setting up the blotter on stopper 220 and limit stop 130, can play the effect of buffering, avoid stopper 220 and limit stop 130 to carry out rigid mechanical contact for the image that image acquisition assembly gathered is clearer.
In one possible embodiment, the non-destructive inspection system further comprises: the base, the rotation shaft 210 and the fixing base 110 are disposed on the base.
In this technical solution, the nondestructive testing system may further include a base, and the setting of the base provides an installation position for the rotating shaft 210 and the fixing base 110, so that the nondestructive testing system is convenient to assemble and disassemble.
Example 1
As shown in fig. 1 to 3, the anti-winding limiting device provided in the embodiment of the application includes a fixing seat 110, a limiting seat 120 and a limiting stop 130, and in the process of applying the anti-winding limiting device provided in the embodiment of the application to the detection of a pressure vessel of a nuclear power device, the image acquisition component can be physically limited through the limiting stop 130, and meanwhile, the rotation range of the image acquisition component can reach 390 degrees, so that 100% area visual inspection can be performed on a detected component.
As shown in fig. 2 and 3, where the arrow direction in fig. 2 is a rotation direction, and 30 ° in fig. 3 represents a rotation range, when the anti-winding limiting device provided in the embodiment of the present application is used as a component of the nondestructive testing system, the testing may include the following steps: the winding-preventing limiting device is arranged on the outer side of the rotating shaft 210, so that the inner cambered surface of the limiting seat 120 is coaxial with the transmission shaft, and the limiting block 220 of the rotating shaft 210 can be contacted with the limiting stop 130 to interfere with each other; rotating the limiting block 220 of the rotating shaft 210 to push the limit stop 130 to reach the limit of the boundary electrode, and repeating the previous steps in the reverse direction rotation to confirm that the winding preventing limiting device can normally stop the motor from rotating; when the rotating shaft 210 rotates, whether the cable in the shaft is seriously wound or not is observed, and the fact that the cable is not wound greatly in the whole rotating period is ensured.
As shown in fig. 2 and 3, for the maximum rotation angle of the rotation shaft 210 in the same rotation direction, the limit stop 130 is displaced from the initial limit to the final limit, and when the limit stop 130 rotates to the final limit, the driving member cannot continue to rotate in the direction due to the interference of the limit stop 130 and the limit stop 220, and only the rotation direction can be changed or the movement can be stopped. The same effect can be produced when the rotating device rotates in the opposite direction and rotates to the limit position of the other side.
In the present utility model, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more, unless expressly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or units referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model.
In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. An anti-winding limiting device, comprising:
a fixing seat;
the limiting seat is connected to the fixed seat, and a strip hole is formed in the limiting seat;
the limit stop is connected with the limit seat in a sliding manner, and part of the limit stop is positioned in the limit seat.
2. The anti-windup limit device of claim 1, wherein the anti-windup limit device comprises a sleeve,
threaded holes are formed in the fixing base and the limiting base, and the fixing base is detachably connected with the limiting base.
3. The anti-windup limit device of claim 1, wherein the limit stop comprises:
the sliding block and the protruding block are arranged in the limiting seat, a hollow part is formed in the limiting seat, the hollow part is communicated to the strip hole, the sliding block is arranged in the hollow part, and the protruding block is connected with the sliding block.
4. An anti-windup limit device according to any one of claims 1 to 3, wherein,
the limit seat is arc-shaped, and the sliding amplitude of the limit stop block relative to the limit seat is greater than or equal to 30 degrees.
5. A non-destructive inspection system, comprising:
an anti-wind limit device as claimed in any one of claims 1 to 4;
the rotating shaft is provided with a limiting block, and the limiting block is used for being abutted with the limit stop block.
6. The non-destructive inspection system according to claim 5, further comprising:
the image acquisition assembly is arranged on the rotating shaft;
the driving piece is connected with the rotating shaft.
7. The non-destructive inspection system according to claim 6, wherein,
the rotating shaft is a hollow shaft, and the cable of the image acquisition assembly is arranged on the hollow shaft in a penetrating way.
8. The non-destructive inspection system according to claim 5, further comprising:
the rotating shaft is provided with a window, the window is covered by the protective sheet, and the protective sheet is made of transparent materials.
9. The non-destructive inspection system according to claim 5, further comprising:
the buffer cushion is arranged on the limiting block and the limit stop block.
10. The non-destructive inspection system according to claim 5, further comprising:
the base, the pivot with the fixing base sets up on the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320381789.4U CN220323130U (en) | 2023-03-03 | 2023-03-03 | Winding-preventing limiting device and nondestructive detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320381789.4U CN220323130U (en) | 2023-03-03 | 2023-03-03 | Winding-preventing limiting device and nondestructive detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220323130U true CN220323130U (en) | 2024-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320381789.4U Active CN220323130U (en) | 2023-03-03 | 2023-03-03 | Winding-preventing limiting device and nondestructive detection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220323130U (en) |
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- 2023-03-03 CN CN202320381789.4U patent/CN220323130U/en active Active
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