CN221101706U - Clamping jaw installation adjusting device of nuclear fuel loading and unloading machine - Google Patents
Clamping jaw installation adjusting device of nuclear fuel loading and unloading machine Download PDFInfo
- Publication number
- CN221101706U CN221101706U CN202322999321.4U CN202322999321U CN221101706U CN 221101706 U CN221101706 U CN 221101706U CN 202322999321 U CN202322999321 U CN 202322999321U CN 221101706 U CN221101706 U CN 221101706U
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- clamping jaw
- nuclear fuel
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- 239000003758 nuclear fuel Substances 0.000 title claims abstract description 29
- 238000009434 installation Methods 0.000 title claims abstract description 24
- 238000011900 installation process Methods 0.000 abstract description 5
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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Abstract
The utility model discloses a clamping jaw installation and adjustment device of a nuclear fuel loading and unloading machine, which comprises a frame body, a moving assembly, a positioning assembly and a clamping jaw container, wherein the clamping jaw container is provided with an opening and accommodates the clamping jaw; the moving assembly is connected to the bottom of the frame body, the positioning assembly is arranged on the frame body, and the clamping jaw container is fixedly connected with the positioning assembly; the positioning assembly comprises an up-down positioning assembly, a front-back positioning assembly and a left-right positioning assembly; the upper and lower positioning components are connected with the frame body; the front-back positioning assembly is connected with the upper-lower positioning assembly, the left-right positioning assembly is connected with the front-back positioning assembly, and the clamping jaw container is fixedly connected with the left-right positioning assembly; or the left and right positioning components are connected with the up and down positioning components, the front and back positioning components are connected with the left and right positioning components, and the clamping jaw container is fixedly connected with the front and back positioning components. The clamping jaw installation adjusting device can move and adjust the clamping jaw position in a large range, and also can finely adjust the clamping jaw position back and forth, left and right, up and down, thereby realizing alignment, installation and adjustment and eliminating safety risks in the installation process.
Description
Technical Field
The utility model relates to the technical field of clamping jaw disassembly and assembly of a nuclear fuel loading and unloading machine, in particular to a clamping jaw installation and adjustment device of a nuclear fuel loading and unloading machine.
Background
Clamping jaws of a loading and unloading machine of a pressurized water reactor nuclear power plant need to be installed and dismantled during overhaul. The existing disassembly and assembly method is that clamping jaws are placed in a triangular overhaul area of a component pool, an overhaul worker wears an air coat and falls the water pool to an overhaul platform, a telescopic sleeve of the reload machine is commanded to descend, and the position of the reload machine is adjusted, so that the position of the reload machine is aligned with the position of the clamping jaws.
The position of the loading and unloading machine is adjusted to conduct counterpoint, personnel communication is delayed due to the limitation of the field environment, the installation risk is high, and an event that personnel clamp hands in the installation and installation process occur in the overhaul of a certain nuclear power station is only reminded through personnel risk, so that the safety risk cannot be eliminated.
And the clamping jaw disassembly and assembly alignment are required to be communicated repeatedly, so that the working efficiency is low. The clamping jaw dismounting work is required to be carried out by wearing protective clothing under the radiation protection requirement of the nuclear power plant, the on-site communication can be carried out only through gestures or intercom phones, the height and the position of the clamping jaw dismounting work are required to be adjusted in the dismounting process, the clamping jaw dismounting work is required to be repeatedly communicated, the clamping jaw dismounting work is limited by the environment of the nuclear power plant, the communication is complex, and the dismounting efficiency is influenced.
Disclosure of utility model
The utility model aims to solve the technical problem of providing a clamping jaw installation adjusting device of a nuclear fuel loading and unloading machine.
The technical scheme adopted for solving the technical problems is as follows: the clamping jaw installation and adjustment device of the nuclear fuel loading and unloading machine comprises a frame body, a moving assembly, a positioning assembly and a clamping jaw container which is provided with an opening and accommodates the clamping jaw;
The moving assembly is connected to the bottom of the frame body, the positioning assembly is arranged on the frame body, and the clamping jaw container is fixedly connected with the positioning assembly;
The positioning assembly comprises an up-down positioning assembly, a front-back positioning assembly and a left-right positioning assembly;
The up-down positioning component is connected with the frame body;
The front-back positioning assembly is connected with the upper-lower positioning assembly, the left-right positioning assembly is connected with the front-back positioning assembly, and the clamping jaw container is fixedly connected with the left-right positioning assembly; or the left and right positioning components are connected with the up and down positioning components, the front and back positioning components are connected with the left and right positioning components, and the clamping jaw container is fixedly connected with the front and back positioning components.
Preferably, in the jaw mounting and adjusting device of a nuclear fuel loading and unloading machine of the present utility model, the up-down positioning assembly includes a scissor lifting structure and a lifting plate, and the scissor lifting structure is fixedly connected with the frame body; the jacking plate is connected above the scissor lifting structure.
Preferably, in the jaw mounting and adjusting device of the nuclear fuel loading and unloading machine, the scissor lifting structure comprises a scissor main body, a screw rod and a jacking hand wheel; the lead screw is connected with the scissor main body; the first end of the jacking hand wheel is connected with the screw rod, and the second end of the jacking hand wheel is exposed out of the scissor main body.
Preferably, in the jaw mounting and adjusting device of the nuclear fuel loading and unloading machine, the front-rear positioning assembly comprises a first sliding piece and a first sliding rail; the first sliding rail is arranged on the jacking plate; the first sliding piece is in sliding connection with the first sliding rail and is fixedly connected with the left-right position adjusting component.
Preferably, in the jaw mounting and adjusting device of a nuclear fuel loading and unloading machine according to the present utility model, the left and right positioning assembly includes a second slider and a second slide rail; the second sliding rail is fixedly connected with the first sliding piece; the second sliding piece is in sliding connection with the second sliding rail and is fixedly connected with the clamping jaw container.
Preferably, in the jaw mounting and adjusting device of a nuclear fuel loading and unloading machine according to the present utility model, the left and right positioning assembly further includes a carrier, and the carrier is fixedly connected with the second slider and fixedly connected with the jaw container.
Preferably, in the jaw mounting and adjusting device for a nuclear fuel loading and unloading machine according to the present utility model, the carrier is a box body with an opening at the upper side, the bottom of the box body is fixedly connected with the second sliding member, and the jaw container is detachably placed in the box body.
Preferably, in the jaw mounting and adjusting device of a nuclear fuel loading and unloading machine according to the present utility model, the up-down positioning assembly further includes a plurality of balance columns, and the plurality of balance columns are symmetrically disposed and slidably connected with the frame body and fixedly connected with the lifting plate, respectively.
Preferably, in the jaw mounting and adjusting device of a nuclear fuel loading and unloading machine according to the present utility model, the front-rear positioning assembly further includes a first locking member detachably connected to the first slide rail and limiting the sliding of the first slide member.
Preferably, in the jaw mounting and adjusting device of a nuclear fuel loading and unloading machine according to the present utility model, the left-right positioning assembly further includes a second locking member, and the second locking member is detachably connected with the second sliding rail and limits the second sliding member to slide.
By implementing the utility model, the following beneficial effects are achieved:
The clamping jaw installation adjusting device can move and adjust the clamping jaw position in a large range, and also can finely adjust the clamping jaw position back and forth, left and right, up and down, thereby realizing alignment, installation and adjustment and eliminating safety risks in the installation process.
Drawings
The utility model will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic view showing the overall structure of a jaw mounting adjustment device of a nuclear fuel loading and unloading machine according to an embodiment of the present utility model;
Fig. 2 is a schematic view showing a part of a jaw mounting adjustment device of the nuclear fuel loading and unloading machine of fig. 1 according to the present utility model.
Detailed Description
For a clearer understanding of technical features, objects and effects of the present utility model, a detailed description of embodiments of the present utility model will be made with reference to the accompanying drawings.
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or chemically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
Referring to fig. 1, an embodiment of the utility model discloses a clamping jaw installation adjusting device of a nuclear fuel loading and unloading machine, which can be used for widely moving and adjusting the clamping jaw position, and also can finely adjust the clamping jaw position back and forth, left and right, up and down, so as to realize alignment and installation adjustment and eliminate safety risk adjustment clamping jaws in the installation process.
The clamping jaw installation and adjustment device comprises a frame body 2, a moving assembly 1, a positioning assembly and a clamping jaw container (not shown) which is provided with an opening and accommodates clamping jaws. The moving assembly 1 is connected to the bottom of the frame body 2, the positioning assembly is arranged on the frame body 2, and the clamping jaw container is fixedly connected with the positioning assembly. The movable assembly 1 is convenient for the overall movable positioning of the clamping jaw installation adjusting device, the frame body 2 is used for bearing a positioning assembly and clamping jaw containers, the positioning assembly is used for realizing the front-back, left-right, up-down fine adjustment of the clamping jaw containers, and the clamping jaw containers are used for placing clamping jaws.
The positioning assembly may include an up-down positioning assembly 3, a back-and-forth positioning assembly 4, and a left-to-right positioning assembly 5 in some embodiments. The up-down positioning component 3 can move up and down, the front-back positioning component 4 can move back and forth, and the left-right positioning component 5 can move left and right.
The moving assembly 1 may comprise 4 wheels 11 and at least one brake member 12 provided on one wheel 11, and the 4 wheels 11 are symmetrically provided at the bottom of the frame 2, respectively.
The frame 2 may include a frame 21, a top mounting plate 22 attached to the top of the frame 21, and a handle 23 attached to one side of the frame 21 in some embodiments. Preferably, two brake elements 12 are provided on the two wheels 11 on the same side as the handle 23 for ease of operation.
In this embodiment, the up-down positioning assembly 3 is connected to the frame 2. It can be understood that there are various connection relationships among the up-down positioning component 3, the front-back positioning component 4 and the left-right positioning component 5, for example, the up-down positioning component 3 is connected with the frame 2 first, the front-back positioning component 4 is connected with the frame 2 first, the left-right positioning component 5 is connected with the frame 2 first, and the like, so that the purpose of fine tuning up-down, front-back, left-right, up-down is achieved regardless of the sequence of connection among the three components. In this embodiment, the up-down positioning component 3 is connected to the frame body 2, which is an example, and should not be taken as a limitation of the present utility model.
Referring to fig. 2, a front-rear positioning assembly 4 is connected with an up-down positioning assembly 3, a left-right positioning assembly 5 is connected with the front-rear positioning assembly 4, and a clamping jaw container is fixedly connected with the left-right positioning assembly 5. It will be appreciated that in other embodiments, the left and right positioning assemblies 5 are connected to the up and down positioning assemblies 3, the front and back positioning assemblies 4 are connected to the left and right positioning assemblies 5, and the jaw receptacles are fixedly connected to the front and back positioning assemblies 4.
The up-down positioning assembly 3 may include a scissor lift structure 31 and a lifting plate 32 in some embodiments, the scissor lift structure 31 being fixedly connected to the frame 2; the jacking plate 32 is connected above the scissor lift structure 31. The scissor lifting structure 31 can be lifted or lowered, the lifting plate 32 is lifted or lowered along with the scissor lifting structure 31, and the front and rear position adjusting assembly 4 or the upper and lower position adjusting assembly 3 is connected above the lifting plate 32, so that lifting of the front and rear position adjusting assembly and the upper and lower position adjusting assembly is realized, and finally lifting of the clamping jaw container is realized.
Further, the scissor lift structure 31 may include a scissor body 311, a lead screw 312, and a lifting hand wheel 313 in some embodiments, the lead screw 312 is connected to the scissor body 311, a first end of the lifting hand wheel 313 is connected to the lead screw 312, and a second end of the lifting hand wheel 313 is exposed outside the scissor body 311. The lifting hand wheel 313 is rotated to rotate the screw rod 312, and the screw rod 312 is in threaded connection with the scissor main body 311, so that lifting of the scissor main body 311 is realized. It should be understood that the scissor lift structure 31 is a relatively mature prior art, and the principle and specific structure thereof are not described herein.
Further, the up-down positioning assembly 3 may further include a plurality of balance columns 33 in some embodiments, where the plurality of balance columns 33 are symmetrically disposed and slidably connected to the frame 2 and fixedly connected to the lifting plate 32, respectively. Preferably, the number of the balance columns 33 is 4, and symmetrically disposed under the jacking plates 32, respectively. The end of the balance column 33 is fixedly connected with the jacking plate 32, and the lower part of the balance column 33 passes through the top mounting plate 22 of the frame body 2 and extends downwards. When the jacking plate 32 is lifted, the balance column 33 can maintain the balance of the jacking plate 32, preventing the jacking plate 32 from being deviated.
The front-rear positioning assembly 4 may include, in some embodiments, a first sliding member 41 and a first sliding rail 42, where the first sliding rail 42 is disposed on the jacking plate 32, and the first sliding member 41 is slidably connected to the first sliding rail 42 and fixedly connected to the left-right positioning assembly 5. Preferably, the first sliding rail 42 includes two rails parallel to each other, and the first sliding members 41 include 4, and each two first sliding members 41 are arranged in a group on the same rail.
The left-right positioning assembly 5 may include, in some embodiments, a second slide member 51, a second slide rail 52, and a carrier 53, where the second slide rail 52 is fixedly connected to the first slide member 41, the second slide member 51 is slidably connected to the second slide rail 52, and the carrier 53 is fixedly connected to the second slide member 51 and fixedly connected to the jaw container. Preferably, the second slide rail 52 includes a rail and a bottom plate, the rail being disposed above the bottom plate, and the bottom plate being connected to the first slider 41. Similarly, the second slide rail 52 includes two rails parallel to each other, and the second slider 51 includes 4 second sliders 51, each of which is a group, provided on the same rail.
Preferably, in some embodiments, the carrier 53 is a box with an upper opening, and the bottom of the box is fixedly connected to the second sliding member 51, and the jaw container is detachably placed in the box. The box can prevent the condition such as clamping jaw container slope, rocking, and can change clamping jaw container after the condition such as clamping jaw container damages, and can not lead to whole clamping jaw installation adjusting device to be eliminated to reduce manufacturing cost.
Further, the front-rear positioning assembly 4 further includes a first locking member 43, where the first locking member 43 is detachably connected to the first sliding rail 42 and limits the sliding of the first sliding member 41. Preferably, the first locking member 43 may be a bolt, a screw, a pin, or the like, which may prevent the sliding member from traveling. When the locking sliding is required, the first locking member 43 is partially inserted into the jacking plate 32, the end is exposed to abut against the bottom plate, and the lower part of the bottom plate is connected with the first sliding member 41, so that the first sliding member 41 is indirectly prevented from continuing to slide.
Similarly, the left-right positioning assembly 5 further includes a second locking member 54, where the second locking member 54 is detachably connected to the second sliding rail 52 and limits the sliding of the second sliding member 51. Preferably, the second locking member 54 may be a bolt, screw, pin, or the like that may prevent the slider from traveling. When the second sliding member 54 is required to slide, the second sliding member 52 is partially inserted into the second sliding rail 52, the end portion of the second sliding member is exposed and is in contact with the bearing member 53, and the bearing member 53 is fixedly connected with the second sliding member 51, so that the second sliding member 51 is prevented from sliding continuously.
To adapt the shape of the jaws, the jaw container comprises a cylinder and a cover (not shown), the jaws being placed inside the cylinder, the diameter of the cylinder being sized to match the size of the actual jaws. When the clamping jaw container is not used, the cover body is covered on the cylinder, so that dust can be prevented, and the service life of the clamping jaw container can be prolonged. It will be appreciated that the jaw container may be removably placed in the housing using existing equipment and will not be described in detail herein.
By implementing the utility model, the following beneficial effects are achieved:
The clamping jaw installation adjusting device can move and adjust the clamping jaw position in a large range, and also can finely adjust the clamping jaw position back and forth, left and right, up and down, thereby realizing alignment, installation and adjustment and eliminating safety risks in the installation process.
It is to be understood that the above examples only represent preferred embodiments of the present utility model, which are described in more detail and are not to be construed as limiting the scope of the utility model; it should be noted that, for a person skilled in the art, the above embodiments or technical features may be freely combined, and several variations and modifications may be made, without departing from the spirit of the utility model, which fall within the scope of the utility model, i.e. the embodiments described in "some embodiments" may be freely combined with any of the above and below embodiments; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (10)
1. The clamping jaw installation and adjustment device of the nuclear fuel loading and unloading machine is characterized by comprising a frame body (2), a moving assembly (1), a positioning assembly and a clamping jaw container which is provided with an opening and accommodates the clamping jaw;
The moving assembly (1) is connected to the bottom of the frame body (2), the position adjusting assembly is arranged on the frame body (2), and the clamping jaw container is fixedly connected with the position adjusting assembly;
The positioning assembly comprises an up-down positioning assembly (3), a front-back positioning assembly (4) and a left-right positioning assembly (5);
The up-down positioning component (3) is connected with the frame body (2);
The front-back positioning assembly (4) is connected with the upper-lower positioning assembly (3), the left-right positioning assembly (5) is connected with the front-back positioning assembly (4), and the clamping jaw container is fixedly connected with the left-right positioning assembly (5); or the left-right positioning component (5) is connected with the up-down positioning component (3), the front-back positioning component (4) is connected with the left-right positioning component (5), and the clamping jaw container is fixedly connected with the front-back positioning component (4).
2. The clamping jaw installation and adjustment device of a nuclear fuel loading and unloading machine according to claim 1, characterized in that the up-down positioning assembly (3) comprises a scissor lifting structure (31) and a jacking plate (32), wherein the scissor lifting structure (31) is fixedly connected with the frame body (2); the jacking plate (32) is connected above the scissor lifting structure (31).
3. The jaw mounting adjustment device of a nuclear fuel loading and unloading machine according to claim 2, characterized in that the scissor lift structure (31) comprises a scissor body (311), a screw (312) and a jacking hand wheel (313); the lead screw (312) is connected with the scissor main body (311); the first end of the jacking hand wheel (313) is connected with the screw rod (312), and the second end of the jacking hand wheel (313) is exposed out of the scissor main body (311).
4. The jaw mounting adjustment device of a nuclear fuel loader and unloader according to claim 2, wherein the fore-aft positioning assembly (4) includes a first slider (41) and a first slide rail (42); the first sliding rail (42) is arranged on the jacking plate (32); the first sliding piece (41) is in sliding connection with the first sliding rail (42) and is fixedly connected with the left-right positioning assembly (5).
5. The jaw mounting adjustment device of a nuclear fuel loader and unloader according to claim 4, wherein the left and right positioning assembly (5) includes a second slider (51) and a second slide rail (52); the second sliding rail (52) is fixedly connected with the first sliding piece (41); the second sliding piece (51) is in sliding connection with the second sliding rail (52) and is fixedly connected with the clamping jaw container.
6. The jaw installation and adjustment device of a nuclear fuel loading and unloading machine according to claim 5, characterized in that said left and right positioning assembly (5) further comprises a bearing member (53), said bearing member (53) being fixedly connected to said second sliding member (51) and to said jaw container.
7. The jaw installation and adjustment device of a nuclear fuel loading and unloading machine according to claim 6, characterized in that the bearing member (53) is a box body with an upper opening, the bottom of the box body is fixedly connected with the second sliding member (51), and the jaw container is detachably placed in the box body.
8. The jaw installation and adjustment device of a nuclear fuel loading and unloading machine according to any one of claims 2 to 7, characterized in that said up-down positioning assembly (3) further comprises a plurality of balancing columns (33), a plurality of said balancing columns (33) being symmetrically arranged and respectively slidably connected with said frame body (2) and fixedly connected with said jacking plate (32).
9. The jaw mounting adjustment device of a nuclear fuel loader according to any one of claims 4-6, wherein said fore-aft positioning assembly (4) further comprises a first locking member (43), said first locking member (43) being detachably connected to said first slide rail (42) and limiting sliding of said first slide member (41).
10. The jaw mounting adjustment device of a nuclear fuel loading and unloading machine according to claim 6 or 7, characterized in that said left and right positioning assembly (5) further comprises a second locking member (54), said second locking member (54) being detachably connected to said second slide rail (52) and limiting the sliding of said second sliding member (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322999321.4U CN221101706U (en) | 2023-11-06 | 2023-11-06 | Clamping jaw installation adjusting device of nuclear fuel loading and unloading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322999321.4U CN221101706U (en) | 2023-11-06 | 2023-11-06 | Clamping jaw installation adjusting device of nuclear fuel loading and unloading machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221101706U true CN221101706U (en) | 2024-06-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322999321.4U Active CN221101706U (en) | 2023-11-06 | 2023-11-06 | Clamping jaw installation adjusting device of nuclear fuel loading and unloading machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221101706U (en) |
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2023
- 2023-11-06 CN CN202322999321.4U patent/CN221101706U/en active Active
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