CN108298422B - Nuclear reactor core hoisting weighing device - Google Patents
Nuclear reactor core hoisting weighing device Download PDFInfo
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- CN108298422B CN108298422B CN201810193496.7A CN201810193496A CN108298422B CN 108298422 B CN108298422 B CN 108298422B CN 201810193496 A CN201810193496 A CN 201810193496A CN 108298422 B CN108298422 B CN 108298422B
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- lifting
- mounting plate
- connecting shaft
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- 238000005303 weighing Methods 0.000 title claims abstract description 67
- 239000000463 material Substances 0.000 claims description 9
- 230000032683 aging Effects 0.000 claims description 6
- 239000000725 suspension Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 description 4
- 239000004020 conductor Substances 0.000 description 3
- 230000008676 import Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 230000004992 fission Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003758 nuclear fuel Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/16—Applications of indicating, registering, or weighing devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/62—Over or under weighing apparatus
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Load-Engaging Elements For Cranes (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The invention provides a nuclear reactor core hoisting and weighing device, which comprises an upper lifting appliance and a lower lifting appliance, and is structurally characterized in that: the lifting device comprises an upper lifting assembly detachably connected with the upper lifting appliance, a lower lifting assembly detachably connected with the lower lifting appliance and capable of moving relative to the upper lifting assembly, a weighing sensor fixedly arranged on the upper lifting assembly, a pressure conducting piece fixedly arranged on the lower lifting assembly and positioned above the weighing sensor and contacted with the weighing sensor, an electronic display for processing and displaying weighing signals sent by the symmetrical weighing sensor in real time during use, and a cable for connecting the weighing sensor and the electronic display. The invention has simple structure, convenient use and relatively low cost, and can completely replace the same kind of imported products with high price.
Description
Technical Field
The invention relates to a weighing device, in particular to a device for hoisting and weighing a nuclear reactor core.
Background
A nuclear reactor is the core equipment of a nuclear power plant, which functions to maintain and control the chain fission reaction, generate nuclear energy and convert the nuclear energy into usable thermal energy. The heart of a nuclear reactor is the core, and is composed of a nuclear fuel assembly and a control rod assembly. During operation of a nuclear reactor, the core needs to be weighed periodically (usually 3-6 months) without shutdown to grasp the fuel condition in the core so as to be timely reloaded. Due to the particularities of nuclear reactor devices, coupled with the high weight of the core, common weighing devices cannot be used. The reactor core weighing device used in China at present is mainly imported from the United states abroad, and the reactor core weighing device is complex in structure, inconvenient to use and high in price. Therefore, it is necessary to develop a nuclear reactor core hoisting and weighing device with simple structure and low cost to replace import.
Disclosure of Invention
The purpose of the invention is that: aiming at market demands, the nuclear reactor core hoisting and weighing device is simple in structure, convenient to use and relatively low in cost, and can completely replace expensive foreign similar imported products.
The technical scheme of the invention is as follows: the invention relates to a nuclear reactor core hoisting and weighing device, which comprises an upper lifting appliance and a lower lifting appliance, and is structurally characterized in that: the lifting device comprises a lifting assembly, a lower lifting assembly, a weighing sensor, a pressure conducting piece, an electronic display and a cable, wherein the lifting assembly is detachably connected with the lifting assembly, the lower lifting assembly is detachably connected with the lower lifting assembly and can move relative to the upper lifting assembly, the weighing sensor is fixedly arranged on the upper lifting assembly, the pressure conducting piece is fixedly arranged on the lower lifting assembly and is positioned above the weighing sensor and is in contact with the weighing sensor, and the electronic display is used for processing and displaying weighing signals sent by the weighing sensor in real time when the electronic display is used.
The further scheme is as follows: the upper hoisting assembly comprises a first mounting plate, a first connecting shaft, a first hoisting shaft plug-in device and a first hoisting shaft;
a first hanging shaft passing ring is integrally arranged on the inner side of the upper part of the first mounting plate, and a hanging shaft hole communicated with the first hanging shaft passing ring is formed in the first mounting plate at the first hanging shaft passing ring; the lower part of the first mounting plate is provided with a connecting shaft hole which penetrates left and right; the first mounting plate is provided with wire outlet holes at the middle lower part, and 2 pieces of the first mounting plate are oppositely arranged left and right; the first connecting plates are respectively arranged on the front side and the rear side of the upper part of the 2 first mounting plates, and the left end and the right end of each of the 2 first connecting plates are fixedly connected with the 1 first mounting plates; the first connecting shaft is provided with 2 first connecting shaft fixing rings; the left end and the right end of the first connecting shaft are inserted into the connecting shaft holes of the 2 first mounting plates and are fixed through the 2 first connecting shaft fixing rings; the first hanging shaft plug is fixedly arranged on the outer side of the hanging shaft hole of the first mounting plate positioned on the right side; the left end of the first hanging shaft is fixed through the first hanging shaft fixing ring, and the right end of the first hanging shaft is connected with the first hanging shaft plug in a movable fit manner; the upper lifting appliance is detachably connected with the first lifting connecting shaft of the upper lifting assembly; the weighing sensor is fixedly arranged above the middle part of the first connecting shaft of the upper hoisting assembly.
The further scheme is as follows: the materials of the components of the upper hoisting assembly are 05Cr17Ni4Cu4Nb which is subjected to aging treatment at 580 ℃.
The further scheme is as follows: the first connecting shaft of the upper hoisting assembly is an integral piece with cylindrical left and right ends and a rectangular middle part; the first hanging shaft is a cylinder.
The further scheme is as follows: the lower hoisting assembly comprises a second mounting plate, a second connecting shaft, a second hoisting shaft plug and pull device and a second hoisting shaft;
the inner side of the lower part of the second mounting plate is integrally provided with a second hanging-connecting-shaft passing ring, the second mounting plate is provided with a hanging-connecting shaft hole communicated with the second hanging-connecting-shaft passing ring at the second hanging-connecting-shaft passing ring, and the upper part of the second mounting plate is provided with a connecting shaft hole which is penetrated in the front-back direction; the second mounting plate is provided with 2 blocks in a front-back opposite way; the left and right sides of the lower part of the 2 second mounting plates are respectively provided with 1 second connecting plate, and the front end and the rear end of the 2 second connecting plates are respectively fixedly connected with the 1 second mounting plates; the second connecting shaft is provided with 2 second connecting shaft fixing rings; the front end and the rear end of the second connecting shaft are inserted into the connecting shaft holes of the 2 second mounting plates and are fixed through the 2 second connecting shaft fixing rings; the second hanging-connection-shaft plug is fixedly arranged on the outer end surface of the hanging-connection shaft hole of the second mounting plate positioned at the front side; the second hanging shaft is provided with a second hanging shaft fixing ring, the front end and the rear end of the second hanging shaft penetrate through the second hanging shafts of the 2 second mounting plates and are inserted into the hanging shaft holes of the 2 second mounting plates after passing through the rings, the front end of the second hanging shaft is connected with the second hanging shaft plug in and out device in a movable fit manner, and the rear end of the second hanging shaft is fixed through the second hanging shaft fixing ring; the lower lifting appliance is detachably connected with a second lifting connecting shaft of the lower lifting assembly; the pressure conducting piece is fixedly arranged below the middle part of the second connecting shaft.
The further scheme is as follows: the materials of the components of the lower hoisting assembly are 05Cr17Ni4Cu4Nb which is subjected to aging treatment at 580 ℃.
The further scheme is as follows: the second connecting shaft of the lower hoisting assembly is an integral piece with front and rear ends in a cylinder shape and middle parts in a cuboid shape; the second hanging shaft is a cylinder.
The further scheme is as follows: the weighing sensor is a RTNC3/330t type sensor.
The further scheme is as follows: the electronic display is a WE2111 type instrument; the cable is a shielded signal cable.
Further schemes are as follows: the materials of the upper lifting appliance and the lower lifting appliance are 05Cr17Ni4Cu4Nb.
The invention has the positive effects that: (1) The nuclear reactor core lifting and weighing device has simpler structure compared with the foreign similar products through the integral structure design, is more convenient to use, has the cost and price far lower than the foreign similar import products, and can completely replace the foreign similar import products with high price. (2) According to the nuclear reactor core hoisting and weighing device, through the structural design that the plug-in pin shafts are arranged at the upper end and the lower end of the device main body, the upper lifting appliance and the lower lifting appliance are very convenient to connect and detach with the device main body, and therefore the device is very convenient to use and switch in storage state. (3) According to the nuclear reactor core hoisting and weighing device, the main body is made of the special nuclear industry material 05Cr17Ni4Cu4Nb and subjected to aging treatment at 580 ℃, and meanwhile, all relevant components of the device main body are connected in a non-welding mode, so that the device can be effectively applied to special use occasions of nuclear reactor. (4) According to the nuclear reactor core hoisting and weighing device, through the structural design of the type selection and the installation mode of the weighing sensor, the precision is high during weighing, and the weighing result is automatically displayed in real time, so that the device is convenient to use.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a cross-sectional view taken along the direction A-A of FIG. 1 with the upper and lower spreaders omitted;
FIG. 4 is a B-B cross-sectional view of FIG. 2 with the upper and lower spreaders omitted;
fig. 5 is a schematic perspective view of the present invention with the upper and lower slings omitted.
The reference numerals in the above figures are as follows:
the upper hoisting assembly 1, the first mounting plate 11, the first hoisting shaft pass-through ring 11-1, the wire outlet hole 11-2, the first connecting plate 12, the first connecting shaft 13, the first connecting shaft fixing ring 13-1, the first hoisting shaft plug 14, the first hoisting shaft 15 and the first hoisting shaft fixing ring 15-1;
the lower hoisting assembly 2, the second mounting plate 21, the second hoisting shaft passes through the ring 21-1, the second connecting plate 22, the second connecting shaft 23, the second connecting shaft fixing ring 23-1, the second hoisting shaft plug-in device 24, the second hoisting shaft 25 and the second hoisting shaft fixing ring 25-1;
a load cell 3, a pressure conductor 4, an electronic display 5, a cable 6; an upper hanger 7, a lower hanger 8 and a hanging hole 81.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description.
Example 1
Referring to fig. 1 to 5, the nuclear reactor core lifting and weighing device of the present embodiment mainly comprises an upper lifting assembly 1, a lower lifting assembly 2, a weighing sensor 3, a pressure conductor 4, an electronic display 5, a cable 6, an upper lifting tool 7 and a lower lifting tool 8.
The upper hoist assembly 1 includes a first mounting plate 11, a first connection plate 12, a first connection shaft 13, a first hoist connection shaft plug 14, and a first hoist connection shaft 15.
The first mounting plate 11 is provided with 2 left and right opposite blocks, the inner side of the upper part of the first mounting plate 11 is provided with a first hanging shaft passing ring 11-1 which is integrated with the first mounting plate 11 and used for increasing the hanging strength, and the first mounting plate 11 is provided with a circular hanging shaft hole communicated with the first hanging shaft passing ring 11-1 at the first hanging shaft passing ring 11-1; the first mounting plate 11 is provided with a circular connecting shaft hole which penetrates left and right at the lower part thereof; the first mounting plate 11 is provided at a lower portion thereof with a wire outlet hole 11-2. The first connecting plate 12 is a rectangular plate body member, the first connecting plate 12 is provided with 2 first connecting plates 12, 1 first connecting plate 12 is respectively arranged on the front side and the rear side of the upper part of the 2 first mounting plates 11, and the left end and the right end of the 2 first connecting plates 12 are respectively fixedly connected with the 1 first mounting plates 11. The first connecting shaft 13 is an integral piece with cylindrical left and right ends and a rectangular middle part, and the first connecting shaft 13 is provided with 2 first connecting shaft fixing rings 13-1; the left and right ends of the first connecting shaft 13 are inserted into the connecting shaft holes of the 2 first mounting plates 11 and fixed through the 2 first connecting shaft fixing rings 13-1; thereby connecting the 2 first mounting plates 11 into one body through the first connecting shaft 13 and the 2 first connecting plates 12; the first hanging-shaft plug 14 is fixedly arranged on the outer side of the hanging-shaft hole of the first mounting plate 11 positioned on the right side; the first lifting joint shaft 15 is a cylindrical member, the first lifting joint shaft 15 is provided with a first lifting joint shaft fixing ring 15-1, the left end and the right end of the first lifting joint shaft 15 penetrate through the first lifting joint shafts of the 2 first mounting plates 11 and are inserted into the lifting joint shaft holes of the 2 first mounting plates 11 after passing through the ring 11-1, the left end of the first lifting joint shaft 15 is fixed through the first lifting joint shaft fixing ring 15-1, the right end of the first lifting joint shaft 15 is in movable fit connection with the first lifting joint shaft plug 14, after the first lifting joint shaft fixing ring 15-1 at the left end of the first lifting joint shaft 15 is released, the first lifting joint shaft 15 can be retracted into the first lifting joint shaft plug 14 by pulling the first lifting joint shaft plug 14 outwards, the left end of the first lifting joint shaft 15 can sequentially penetrate through the first lifting joint shaft passing through the ring 11-1 and then be inserted into the lifting joint shaft holes of the first mounting plates 11 at the left side, and the first lifting joint shaft plug 14 is fixed by the ring 15-1. The first hanger shaft plug 14 is provided for the purpose of facilitating the hooking and dismounting of the first hanger shaft 15 with the upper hanger 7. Each component of the upper hoisting assembly 1 is preferably made of a special material 05Cr17Ni4Cu4Nb for nuclear industry and subjected to aging treatment at 580 ℃ so as to improve the mechanical properties of the material and meet the use occasion demands of nuclear reactors.
The lower hoist assembly 2 includes a second mounting plate 21, a second connecting plate 22, a second connecting shaft 23, a second hoist link plug 24, and a second hoist link 25.
The second mounting plate 21 is provided with 2 pieces in front and back opposite directions, the inner side of the lower part of the second mounting plate 21 is provided with a second hanging shaft passing ring 21-1 which is integrated with the plate body and used for increasing the hanging strength, and the second mounting plate 21 is provided with a circular hanging shaft hole communicated with the second hanging shaft passing ring 21-1 at the second hanging shaft passing ring 21-1; the second mounting plate 21 is provided with a circular connecting shaft hole penetrating in the front-rear direction at the upper portion thereof. The second connecting plate 22 is a rectangular plate body piece, 2 second connecting plates 22 are arranged, 1 second connecting plate 22 is respectively arranged on the left side and the right side of the lower part of the 2 second mounting plates 21, and the front end and the rear end of each second connecting plate 22 are respectively fixedly connected with the 1 second mounting plates 21. The second connecting shaft 23 is an integral piece with cylindrical front and rear ends and a rectangular middle part, and the second connecting shaft 23 is provided with 2 second connecting shaft fixing rings 23-1; the front and rear ends of the second connecting shaft 23 are inserted into the connecting shaft holes of the 2 second mounting plates 21 and fixed through 2 second connecting shaft fixing rings 23-1; thereby connecting the 2 second mounting plates 21 back and forth into a whole through the second connecting shaft 23 and the 2 second connecting plates 22; the second connecting shaft 23 is positioned above the first connecting shaft 13 of the upper hoisting assembly 1; the second hanger shaft plug 24 is fixedly installed on the outer end surface of the hanger shaft hole of the second installation plate 21 positioned at the front side; the second hanging shaft 25 is a cylindrical member, the second hanging shaft 25 is provided with a second hanging shaft fixing ring 25-1, the front end and the rear end of the second hanging shaft 25 penetrate through the second hanging shafts of the 2 second mounting plates 21 and are inserted into hanging shaft holes of the 2 second mounting plates 21 after passing through the rings 21-1, the front end of the second hanging shaft 25 is connected with a second hanging shaft plug-in device 24 in a movable fit manner, and the rear end of the second hanging shaft 25 is fixed through the second hanging shaft fixing ring 25-1; after the second hanger shaft fixing ring 15-1 is released from the fixing, the second hanger shaft 25 is retracted into the second hanger shaft receptacle 24 by pulling the second hanger shaft receptacle 24 forward, and the rear end of the second hanger shaft 25 is extended through the second hanger shaft hole of the second mounting plate 21 located at the rear side by pushing the second hanger shaft receptacle 24 rearward, and is inserted into the hanger shaft hole through the ring 21-1, and then fixed by the second hanger shaft fixing ring 25-1. The second hanger shaft plug 24 is provided for the purpose of facilitating the hooking and detachment of the second hanger shaft 25 from the lower hanger 8. Each component of the lower hoisting assembly 2 is preferably made of a special material 05Cr17Ni4Cu4Nb for nuclear industry and subjected to aging treatment at 580 ℃ so as to improve the mechanical properties of the material and meet the use occasion demands of nuclear reactors.
The weighing sensor 3 is fixedly arranged on the first connecting shaft 13 of the upper hoisting assembly 1 and is positioned above the middle part of the first connecting shaft 13; in this embodiment, the weighing sensor 3 is preferably an RTNC3/330t type sensor to ensure weighing accuracy.
The pressure conducting piece 4 is fixedly arranged on the second connecting shaft 23 of the lower hoisting assembly 2 and is positioned below the middle part of the second connecting shaft 23, and is directly above the weighing sensor 3; the lower end of the pressure conducting piece 4 is contacted with the weighing sensor 3; the pressure conductor 4 is a self-resetting member to reduce weighing errors.
The electronic display 5 is electrically connected with the weighing sensor 3 through a cable 6, and the electronic display 5 is used for processing and displaying weighing signals sent by the weighing sensor 3 in real time when in use; the cable 6 is led out from the wire outlet hole 11-2 of the first mounting plate 11 of the upper hoist assembly 1. The electronic display 5 in this embodiment is preferably a WE2111 model meter; the cable 6 is preferably a shielded signal cable.
The upper hoisting assembly 1, the lower hoisting assembly 2, the weighing sensor 3, the pressure conducting piece 4 and the cable 6 form the main body of the device.
The upper lifting appliance 7 is a member made of 05Cr17Ni4Cu4Nb, the lower part of the upper lifting appliance 7 is provided with a hanging hole matched with the first hanging shaft 15 of the upper lifting assembly 1, and when the upper lifting appliance 7 is used, the hanging hole of the upper lifting appliance 7 is detachably hung with the first hanging shaft 15 of the upper lifting assembly 1.
The lower lifting appliance 8 is a member made of 05Cr17Ni4Cu4Nb, the upper end of the lower lifting appliance 8 is provided with a hanging hole matched with the second hanging shaft 25 of the lower lifting assembly 2, and when the lower lifting appliance 8 is used, the hanging hole of the lower lifting appliance 8 is detachably connected with the second hanging shaft 25 of the lower lifting assembly 2; the lower end of the lower hanger 8 is provided with a hanger hole 81 for connection to the nuclear reactor core during use.
The working process of the nuclear reactor core hoisting and weighing device in the embodiment is briefly described as follows:
the nuclear reactor core hoisting and weighing device of the embodiment is specially customized for weighing the nuclear reactor core, and is generally used for 1 time in 3-6 months; at a maximum weighing of 200t, the safety loads of the first mounting plate 11, the first connecting shaft 13, the first lifting connecting shaft 15 of the upper lifting assembly 1 and the second mounting plate 21, the second connecting shaft 23 and the second lifting connecting shaft 25 of the lower lifting assembly 2 are designed to be 1200t.
When weighing is needed, firstly, the first lifting joint shaft fixing ring 15-1 at the left end of the first lifting joint shaft 15 of the upper lifting assembly 1 is removed, the first lifting joint shaft plug-in device 14 of the upper lifting assembly 1 is pulled rightwards, the first lifting joint shaft 15 is retracted into the first lifting joint shaft plug-in device 14, the upper lifting appliance 7 is positioned, then the first lifting joint shaft plug-in device 14 is pushed leftwards, the first lifting joint shaft 15 is reset and fixed after passing through the hanging hole of the upper lifting appliance 7, and the hanging of the first lifting joint shaft 15 and the upper lifting appliance 7 is completed; after each component except the lower lifting appliance 8 of the device is lifted by the field lifting equipment, the lower lifting appliance 8 is hung on the second hanging shaft 25 of the lower lifting assembly 2 by referring to the installation mode of the upper lifting appliance 7; the lower lifting sling 8 is firmly connected with the nuclear reactor core to be weighed by utilizing a connecting rope through a lifting hole 81 at the lower end of the lower lifting sling 8; the electronic display 5 is electrically connected with the weighing sensor 3 through a cable 6, and the weighing can be prepared by switching on the power supply. The device is lifted by using on-site lifting equipment, the weight of the nuclear reactor core is sequentially transferred to a second lifting joint shaft 25, 2 second mounting plates 21 and a second connecting shaft 23 of the lower lifting assembly 2 by a lower lifting appliance 8, the whole lower lifting assembly 2 is driven to move downwards relative to the upper lifting assembly 1, and the second connecting shaft 23 moves downwards so that a pressure conducting piece 4 fixedly arranged on the second connecting shaft 23 synchronously moves downwards and presses a weighing sensor 3; the weighing sensor 3 sends a gravity signal to the electronic display 5, and the electronic display 5 displays the weight of the weighed nuclear reactor core in real time after processing the signal sent by the weighing sensor 3. After weighing, the power supply and the electronic display are disconnected; the upper spreader 7 and the lower spreader 8 are detached in the reverse order of installation and stored separately from the apparatus body to be reused next.
The above embodiments are illustrative of the specific embodiments of the present invention, and not restrictive, and various changes and modifications may be made by those skilled in the relevant art without departing from the spirit and scope of the invention, and all such equivalent technical solutions are intended to be included in the scope of the invention.
Claims (4)
1. The utility model provides a nuclear reactor core hoist and mount weighing device, includes hoist (7) and lower hoist (8), its characterized in that: the device comprises an upper lifting assembly (1) detachably connected with an upper lifting tool (7), a lower lifting assembly (2) detachably connected with a lower lifting tool (8) and capable of moving relative to the upper lifting assembly (1), a weighing sensor (3) fixedly arranged on the upper lifting assembly (1), a pressure conduction piece (4) fixedly arranged on the lower lifting assembly (2) and positioned above the weighing sensor (3) and contacted with the weighing sensor (3), an electronic display (5) for processing and displaying weighing signals sent by the weighing sensor (3) in real time when the device is used, and a cable (6) for connecting the weighing sensor (3) and the electronic display (5);
the upper hoisting assembly (1) comprises a first mounting plate (11), a first connecting plate (12), a first connecting shaft (13), a first hoisting shaft plug-in device (14) and a first hoisting shaft (15);
the inner side of the upper part of the first mounting plate (11) is integrally provided with a first hanging-shaft passing ring (11-1), and the first mounting plate (11) is provided with a hanging-shaft hole communicated with the first hanging-shaft passing ring (11-1) at the first hanging-shaft passing ring (11-1); the lower part of the first mounting plate (11) is provided with a connecting shaft hole which penetrates left and right; the lower part of the first mounting plate (11) is provided with a wire outlet hole (11-2), and the first mounting plate (11) is provided with 2 blocks which are opposite left and right; the first connecting plates (12) are respectively arranged on the front side and the rear side of the upper part of the 2 first mounting plates (11), and the left end and the right end of each of the 2 first connecting plates (12) are fixedly connected with the 1 first mounting plates (11); the first connecting shaft (13) is provided with 2 first connecting shaft fixing rings (13-1); the left end and the right end of the first connecting shaft (13) are inserted into the connecting shaft holes of the 2 first mounting plates (11) and are fixed through the 2 first connecting shaft fixing rings (13-1); the first hanging shaft plug (14) is fixedly arranged on the outer side of the hanging shaft hole of the first mounting plate (11) positioned on the right side; the first lifting joint shaft (15) is provided with a first lifting joint shaft fixing ring (15-1), the left end and the right end of the first lifting joint shaft (15) penetrate through the first lifting joint shafts of the 2 first mounting plates (11) and are inserted into the lifting joint shaft holes of the 2 first mounting plates (11) after passing through the rings (11-1), the left end of the first lifting joint shaft (15) is fixed through the first lifting joint shaft fixing ring (15-1), and the right end of the first lifting joint shaft (15) is connected with the first lifting joint shaft plug-and-pull device (14) in a movable fit manner; the upper lifting appliance (7) is detachably connected with a first lifting shaft (15) of the upper lifting assembly (1); the weighing sensor (3) is fixedly arranged above the middle part of the first connecting shaft (13) of the upper hoisting assembly (1); the first connecting shaft (13) of the upper hoisting assembly (1) is an integral piece with cylindrical left and right ends and a rectangular middle part; the first hanging shaft (15) is a cylinder;
the lower hoisting assembly (2) comprises a second mounting plate (21), a second connecting plate (22), a second connecting shaft (23), a second hoisting shaft plug-in device (24) and a second hoisting shaft (25);
the inner side of the lower part of the second mounting plate (21) is integrally provided with a second hanging-shaft passing ring (21-1), the second mounting plate (21) is provided with a hanging-shaft hole communicated with the second hanging-shaft passing ring (21-1) at the position of the second hanging-shaft passing ring (21-1), and the upper part of the second mounting plate (21) is provided with a connecting shaft hole which is penetrated in the front-back direction; the second mounting plate (21) is provided with 2 blocks which are arranged in a front-back opposite way; the left and right sides of the lower part of the 2 second mounting plates (21) are respectively provided with 1 second connecting plate (22), and the front end and the rear end of the 2 second connecting plates (22) are respectively fixedly connected with the 1 second mounting plates (21); the second connecting shaft (23) is provided with 2 second connecting shaft fixing rings (23-1); the front end and the rear end of the second connecting shaft (23) are inserted into the connecting shaft holes of the 2 second mounting plates (21) and are fixed through the 2 second connecting shaft fixing rings (23-1); the second hanging shaft plug-in device (24) is fixedly arranged on the outer end surface of the hanging shaft hole of the second mounting plate (21) positioned at the front side; the second hanging shaft (25) is provided with a second hanging shaft fixing ring (25-1), the front end and the rear end of the second hanging shaft (25) penetrate through the second hanging shaft holes of the 2 second mounting plates (21) and are inserted into the hanging shaft holes of the 2 second mounting plates (21) after passing through the rings (21-1), the front end of the second hanging shaft (25) is connected with the second hanging shaft plug-in device (24) in a movable fit manner, and the rear end of the second hanging shaft (25) is fixed through the second hanging shaft fixing ring (25-1); the lower lifting appliance (8) is detachably connected with a second lifting shaft (25) of the lower lifting assembly (2); the pressure conducting piece (4) is fixedly arranged below the middle part of the second connecting shaft (23);
the materials of the components of the upper hoisting assembly (1) and the lower hoisting assembly (2) are 05Cr17Ni4Cu4Nb subjected to aging treatment at 580 ℃;
the second connecting shaft (23) of the lower hoisting assembly (2) is an integral piece with cylindrical front and rear ends and a cuboid middle part; the second suspension joint shaft (25) is a cylindrical member.
2. The nuclear reactor core lifting weighing device of claim 1, wherein: the weighing sensor (3) is a sensor of RTNC3/330t model.
3. The nuclear reactor core lifting weighing device of claim 1, wherein: the electronic display (5) is a WE2111 type instrument; the cable (6) is a shielded signal cable.
4. The nuclear reactor core lifting weighing device of claim 1, wherein: the upper lifting appliance (7) and the lower lifting appliance (8) are made of 05Cr17Ni4Cu4Nb.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810193496.7A CN108298422B (en) | 2018-03-09 | 2018-03-09 | Nuclear reactor core hoisting weighing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810193496.7A CN108298422B (en) | 2018-03-09 | 2018-03-09 | Nuclear reactor core hoisting weighing device |
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| Publication Number | Publication Date |
|---|---|
| CN108298422A CN108298422A (en) | 2018-07-20 |
| CN108298422B true CN108298422B (en) | 2024-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810193496.7A Active CN108298422B (en) | 2018-03-09 | 2018-03-09 | Nuclear reactor core hoisting weighing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108298422A (en) | 2018-07-20 |
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