CN216084335U - Special tool for disassembling and overhauling tackle of loading and unloading machine of heavy water nuclear power plant - Google Patents
Special tool for disassembling and overhauling tackle of loading and unloading machine of heavy water nuclear power plant Download PDFInfo
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- CN216084335U CN216084335U CN202121307058.2U CN202121307058U CN216084335U CN 216084335 U CN216084335 U CN 216084335U CN 202121307058 U CN202121307058 U CN 202121307058U CN 216084335 U CN216084335 U CN 216084335U
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C17/00—Monitoring; Testing ; Maintaining
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
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Abstract
The utility model discloses a special tool for disassembling and overhauling a loading and unloading machine tackle of a heavy water nuclear power plant, which comprises an upper support frame and a lower support frame, wherein a ground support component is arranged at the bottom of the lower support frame, a top support component is arranged at the top of the upper support frame, 4 corners of the upper support frame are respectively provided with a screw strainer, the lower support frame is connected with the upper support frame, and four main beams of the upper support frame are provided with floor inclined support components. Has the advantages that: through supporting lower part handling machine suspension mechanism, realize dismantling of upper portion handling machine jack backup pad, realize the change of jack, ensure the safety of maintenance process, reduce the risk of equipment damage.
Description
Technical Field
The utility model belongs to the technical field of engineering elements, and particularly relates to a special tool for disassembling and overhauling a loading and unloading machine tackle of a heavy water nuclear power plant, which is mainly applied to disassembling and overhauling the loading and unloading machine tackle of the heavy water nuclear power plant and can finish the overhauling work of related high-altitude equipment.
Background
In canadian design of the CANDU6 heavy water reactor nuclear power plant, the handler trolley is the core equipment of the fuel handling system and can carry the handler to move to a designated fuel passage for the relevant fuel bundle replacement function. The material loading and unloading machine pulley system consists of a pulley frame, a jack support plate and a material loading and unloading machine suspension mechanism. If the jack is overhauled and replaced, the jack supporting plate must be detached. The supporting plate is connected with the loading and unloading machine suspension mechanism through the bolt, the loading and unloading machine suspension mechanism must be reliably supported before dismounting, then the bolt connected from top to bottom is dismounted, and the jack supporting plate is lifted, so that the jack can be replaced.
If the conventional tool is adopted for supporting, the reliability is poor, the plane height difference cannot be adjusted, the safety cannot be guaranteed, and the risk is very high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a special tool for disassembling and overhauling a material loading and unloading machine tackle of a heavy water nuclear power plant, which realizes the disassembly of a jack supporting plate of an upper material loading and unloading machine, realizes the replacement of a jack, ensures the safety of an overhauling process and reduces the risk of equipment damage by supporting a lower material loading and unloading machine suspension mechanism.
The technical scheme of the utility model is as follows: the utility model relates to a special tool for disassembling and overhauling a loading and unloading machine tackle of a heavy water nuclear power plant, which comprises an upper support frame and a lower support frame,
the bottom of the lower support frame is provided with a ground support assembly, the top of the upper support frame is provided with a top support assembly, 4 corners of the upper support frame are respectively provided with a screw tensioning device, the lower support frame is connected with the upper support frame, and four main beams of the upper support frame are provided with floor inclined support assemblies.
The tail of the tool is provided with a vertical tail supporting rod which is fixed with the lower supporting frame through two connecting rods.
The two connecting rods comprise an upper tail connecting rod and a lower tail connecting rod.
One end of the tail upper connecting rod is connected with the upper part of the tail supporting rod, and the other end of the tail upper connecting rod is connected with the lower supporting frame through a bolt.
One end of the tail lower connecting rod is connected with the lower part of the tail supporting rod, the other end of the tail lower connecting rod is connected with the bottom of the lower supporting frame, and the supporting rods are connected through bolts to achieve quick assembly and disassembly.
The ground supporting assembly and the top supporting assembly respectively comprise a supporting disc, a lead screw and a handle, the ground supporting assembly and the top supporting assembly are respectively fixed at four corners of the lower supporting frame and the upper supporting frame, and the lead screw is rotated through the handle to realize height adjustment.
The bottom of the lower support frame is provided with a roller for transferring the whole tool.
The upper support frame is connected with the inclined support components through bolts, and the two inclined support components are connected through connecting rods.
The utility model has the beneficial effects that: the utility model is suitable for different pulleys and occasions with different heights, the heights of the upper and lower (4) supporting points can be adjusted as required to meet the requirements of the occasions with different heights or uneven ground, the integral installation of the tool can be completed within 2 hours in actual use, the working efficiency is greatly improved, the risk of equipment damage is reduced, and the overhaul quality of key equipment is ensured.
Drawings
FIG. 1 is a schematic view of a special tool for disassembling and overhauling a tackle of a loading and unloading machine of a heavy water nuclear power plant, provided by the utility model;
fig. 2 is a storage state diagram of a special tool for disassembling and overhauling a tackle of a loading and unloading machine of a heavy water nuclear power plant.
In the figure, a hanging beam 1, a lifting lug 2, an upper supporting frame 3, a lower supporting frame 4, an inclined supporting rod assembly 5, a connecting rod 6, a tail supporting rod 7, a ground supporting assembly 8, a screw tensioning device 9, a bolt 10, a tail connecting rod 11, a tail connecting rod 12 and a top supporting assembly 13 are arranged.
Detailed Description
The utility model is described in further detail below with reference to the figures and the embodiments.
The special tool for disassembling and overhauling the loading and unloading machine tackle of the heavy water nuclear power plant starts from the structural characteristics of the loading and unloading machine suspension mechanism, designs the anti-tilting support device with larger bearing capacity and adjustable height, is suitable for supporting the loading and unloading machine suspension mechanism, is firm in fixation, detachable and very convenient to use, and can ensure that the replacement work of a tackle jack is safely, smoothly and reliably carried out. And meanwhile, the hanging beam and the lifting lug are designed for dismounting the supporting plate of the jack.
As shown in fig. 1, the special tool for disassembling and overhauling the loading and unloading machine tackle of the heavy water nuclear power plant has an overall unfolding size of about 4.8m × 3m × 2.8m, and has a bearing capacity of 3 tons, and comprises a hanging beam 1, a lifting lug 2, an upper support frame 3, a lower support frame 4, an inclined support rod assembly 5, a connecting rod 6, a tail support rod 7, a ground support assembly 8, a screw tensioner 9, a bolt 10, a tail upper connecting rod 11, a tail lower connecting rod 12 and a top support assembly 13.
Wherein, 4 gyro wheels are installed to 4 bottoms of under bracing frame for the transportation of whole instrument, 4 ground brace subassemblies 8 of installation simultaneously, are used for the bearing. The top of the upper supporting frame 3 is provided with 4 top supporting components 13 which are arranged on four supporting upright posts 15 at the inner side of the upper supporting frame 3, and the arrangement of the top supporting components 13 must be matched with the bottom of the suspension mechanism of the loading and unloading machine. When daily depositing, the support post that transversely staggers of upper bracket 3 falls to minimumly, is located inside the frame of lower carriage 4, reduces whole volume and is convenient for transport and deposit. When the top support frame 3 is used, the top support frame 3 is lifted and fixed above the lower support frame 4, and a screw tensioning device 9 is respectively arranged at 4 corners to connect the lower support frame 4 with the top support frame 3 so as to prevent the top support frame from inclining. And then four main beams 14 of the upper support frame 3 are provided with the ground inclined support assemblies 5, the upper support frame 3 is connected with the inclined support assemblies 5 through bolts 10, and the two inclined support assemblies 5 are connected through connecting rods 6, so that the top support is further prevented from inclining, and the safety is ensured. The main body material of the frame is square industrial aluminum profile.
The afterbody of handling material machine suspension mechanism adopts vertically afterbody bracing piece 7, it is fixed with lower carriage 4 through two connecting rods, wherein the upper portion of afterbody bracing piece 7 is connected to the one end of afterbody upper link 11, the other end of afterbody upper link 11 passes through bolt 10 and is connected with lower carriage 4, the lower part of afterbody bracing piece 7 is connected to the one end of afterbody lower link 12, the bottom of lower carriage 4 is connected to the other end of afterbody lower link 12, each bracing piece adopts bolted connection, realize quick assembly disassembly.
The ground supporting assembly 8 and the top supporting assembly 13 respectively comprise a supporting disc 18, a lead screw 16 and a handle 17, the four corners of the lower supporting frame and the four corners of the upper supporting frame are respectively fixed, the height of the ground supporting assembly and the four corners of the upper supporting frame are adjusted by rotating the lead screw through the handle, and the lifting stroke is 20 cm.
The upper part combines the special hanging beam, the lifting lug and the chain block for use to finish the dismantling of the upper jack supporting plate.
The height-adjustable fixing bracket as described above is made of a metal material.
The use of the utility model is described in detail below with reference to the accompanying drawings:
as shown in fig. 1, a hanging beam 1, a chain block and a lifting lug 2 are arranged at the top. Wherein, the hanging beam 1 is arranged on a special supporting piece at the top of a room, and the lifting lug is arranged in a special screw hole of a supporting plate of the jack.
The upper supporting frame is placed in the frame of the lower supporting frame, and the size is reduced. As shown in figure 1, before use, a lower supporting tool is arranged at the lower part of a loading and unloading machine and a pulley, an upper supporting frame 3 of the tool is lifted and arranged above a lower supporting frame 4, 4 supporting upright columns correspond to one another, and 4 locking blocks are locked. The position of the whole tool is adjusted to ensure that 4 shoring assemblies 13 are positioned at the lower parts of 4 corners of the suspension mechanism of the loading and unloading machine.
As shown in figure 1, the lead screw of 4 ground supporting assemblies 8 is rotated, the height is adjusted, 4 wheels are lifted off the ground, and 4I-beams are placed below 4 bearing upright columns to play a supporting role, so that the overall deformation of a tool is reduced, and the supporting stability is improved.
As shown in fig. 1, the lead screws of 4 shoring assemblies 13 are rotated to adjust the height and to prop against the lower part of the suspension mechanism of the loading and unloading machine. And a lock screw buckle 9 is arranged between the lower support frame and 4 corners of the top support frame, so that the top support frame is ensured to be fixed reliably and prevented from inclining. And 4 diagonal brace assemblies 5 are arranged in the middle of the 4 upright posts of the top bracket, and the two supports on the same side are connected and fixed through a connecting rod 6. The frame is prevented from inclining, and safety and stability are ensured.
A vertical support is arranged at a tail support of a suspension mechanism of the loading and unloading machine and is connected with a lower frame through a tail connecting rod 11 and a tail connecting rod 12 to prevent the support from inclining. And finishing the installation of the lower supporting component.
And (3) dismantling a fixing bolt between the jack support plate and the material loading and unloading machine suspension mechanism, and hoisting the jack support plate through a chain block.
And finishing the replacement or maintenance work of the jack.
The pulley block overhauling support tool is suitable for a CANDU6 type heavy water stockpiling unloader pulley block overhauling support tool designed in Canada, is convenient to disassemble and assemble, is reliable in support, is adjustable in support height, greatly improves the efficiency of pulley block jack replacing work, and reduces the risk of equipment damage. Meanwhile, the tool is also suitable for the maintenance support of other similar aerial equipment.
Claims (8)
1. Heavy water reactor nuclear power plant loading and unloading machine coaster disintegration overhauls specialized tool, its characterized in that: it comprises an upper supporting frame and a lower supporting frame,
the bottom of the lower support frame is provided with a ground support assembly, the top of the upper support frame is provided with a top support assembly, 4 corners of the upper support frame are respectively provided with a screw tensioning device, the lower support frame is connected with the upper support frame, and four main beams of the upper support frame are provided with floor inclined support assemblies.
2. The special tool for disassembling and overhauling the tackle of the loading and unloading machine of the heavy water nuclear power plant as claimed in claim 1, wherein: the tail of the tool is provided with a vertical tail supporting rod which is fixed with the lower supporting frame through two connecting rods.
3. The special tool for disassembling and overhauling the tackle of the loading and unloading machine of the heavy water nuclear power plant as claimed in claim 2, wherein: the two connecting rods comprise an upper tail connecting rod and a lower tail connecting rod.
4. The heavy water nuclear power plant loading and unloading machine tackle disintegration maintenance special tool of claim 3, characterized in that: one end of the tail upper connecting rod is connected with the upper part of the tail supporting rod, and the other end of the tail upper connecting rod is connected with the lower supporting frame through a bolt.
5. The heavy water nuclear power plant loading and unloading machine tackle disintegration maintenance special tool of claim 3, characterized in that: one end of the tail lower connecting rod is connected with the lower part of the tail supporting rod, the other end of the tail lower connecting rod is connected with the bottom of the lower supporting frame, and the supporting rods are connected through bolts to achieve quick assembly and disassembly.
6. The special tool for disassembling and overhauling the tackle of the loading and unloading machine of the heavy water nuclear power plant as claimed in claim 1, wherein: the ground supporting assembly and the top supporting assembly respectively comprise a supporting disc, a lead screw and a handle, the ground supporting assembly and the top supporting assembly are respectively fixed at four corners of the lower supporting frame and the upper supporting frame, and the lead screw is rotated through the handle to realize height adjustment.
7. The special tool for disassembling and overhauling the tackle of the loading and unloading machine of the heavy water nuclear power plant as claimed in claim 1, wherein: the bottom of the lower support frame is provided with a roller for transferring the whole tool.
8. The special tool for disassembling and overhauling the tackle of the loading and unloading machine of the heavy water nuclear power plant as claimed in claim 1, wherein: the upper support frame is connected with the inclined support components through bolts, and the two inclined support components are connected through connecting rods.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010786266 | 2020-08-07 | ||
| CN2020107862669 | 2020-08-07 |
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| Publication Number | Publication Date |
|---|---|
| CN216084335U true CN216084335U (en) | 2022-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110652020.7A Pending CN113409970A (en) | 2020-08-07 | 2021-06-11 | Special tool for disassembling and overhauling tackle of loading and unloading machine of heavy water nuclear power plant |
| CN202121307058.2U Active CN216084335U (en) | 2020-08-07 | 2021-06-11 | Special tool for disassembling and overhauling tackle of loading and unloading machine of heavy water nuclear power plant |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110652020.7A Pending CN113409970A (en) | 2020-08-07 | 2021-06-11 | Special tool for disassembling and overhauling tackle of loading and unloading machine of heavy water nuclear power plant |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114093544A (en) * | 2021-10-22 | 2022-02-25 | 中核核电运行管理有限公司 | Device is changed to heavy water reactor nuclear power plant's auxiliary passage bushing pipe |
| CN115200460B (en) * | 2022-06-13 | 2024-08-09 | 中核核电运行管理有限公司 | Loading and unloading machine L push rod position calibration device |
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- 2021-06-11 CN CN202110652020.7A patent/CN113409970A/en active Pending
- 2021-06-11 CN CN202121307058.2U patent/CN216084335U/en active Active
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| CN113409970A (en) | 2021-09-17 |
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