CN210127449U - Nuclear power plant water intake blocking net erecting mechanism - Google Patents
Nuclear power plant water intake blocking net erecting mechanism Download PDFInfo
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- CN210127449U CN210127449U CN201920488885.2U CN201920488885U CN210127449U CN 210127449 U CN210127449 U CN 210127449U CN 201920488885 U CN201920488885 U CN 201920488885U CN 210127449 U CN210127449 U CN 210127449U
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Abstract
The utility model relates to a nuclear power plant water intake blocking net erection mechanism, which comprises a plurality of caissons and a plurality of mounting frames, wherein the caissons are positioned at a plurality of interval parts of the water intake of the nuclear power plant; the mounting frame comprises a first fixing frame in butt joint with the caisson and a second fixing frame in butt joint with the upper edge line of the arresting net, and the first fixing frame and the second fixing frame are detachably connected; the utility model discloses a nuclear power plant's intake blocking net erects mechanism, the original caisson of nuclear power plant's intake is utilized to the erector to be provided with rather than the mounting bracket that can cooperate fixed connection for the erection work of nuclear power plant's intake blocking net becomes simple and convenient, avoids piling in the deep sea fixedly, improves the erection efficiency of blocking net greatly, reduces the cost expenditure; in addition, this mounting bracket structural design is compact reasonable, and stability is strong, tensile strength is high, avoids leading to damaging because of the pulling force overweight.
Description
Technical Field
The utility model relates to a belong to nuclear power plant safety field, concretely relates to nuclear power plant's intake blocking net erects mechanism.
Background
In recent years, along with the increasing safety incidents of a cold source at a water intake of a nuclear power plant, 61 accumulated events occur in 2004-2008, most of the events cause the power reduction of a unit, and some events even cause the shutdown of the unit. Some events even directly have a large impact on the safety-relevant systems of the nuclear power plant. At present, the most popular method in nuclear power and even thermal power is to install a blocking net at a water intake of a unit, so that marine garbage such as floaters can be effectively blocked, a certain blocking effect on marine life is achieved, the marine life or garbage in front of the net can be salvaged in advance according to actual conditions, and therefore the arrangement of the blocking net is very important for the safety of a cold source water intake. Most of the traditional arresting nets directly depend on fixing devices on beaches or water intake shores to be directly distributed, but due to the fact that the site conditions of partial factories are complex, if the arresting nets are fixed according to the traditional piling mode, the arresting nets are very difficult, the seabed piling difficulty is ultrahigh, the operation is very difficult, the labor consumption and the time consumption are reduced, and the piling cost is very high.
Disclosure of Invention
The utility model aims at overcoming the not enough of prior art and providing a nuclear power plant's intake blocking net erects mechanism.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
a nuclear power plant water intake blocking net erecting mechanism comprises a plurality of caissons located at intervals of a nuclear power plant water intake and a plurality of mounting frames for erecting a blocking net, wherein the mounting frames are respectively connected to the plurality of caissons through connecting mechanisms; the mounting frame comprises a first fixing frame in butt joint with the caisson and a second fixing frame in butt joint with the upper edge line of the blocking net, and the first fixing frame and the second fixing frame are detachably connected.
Preferably, the first holder is formed with a first plane at an upper portion and a second plane at a lower portion, the first plane has a length value and a width value smaller than those of the second plane, and the first plane is located at a middle position of the second plane in a horizontal direction. The first plane is jointed with the lower side surface of the second fixing frame, the second plane is jointed with the upper surface of the caisson,
preferably, the first fixing frame includes a first chassis and a second chassis detachably connected in a horizontal direction.
Preferably, each of the first chassis and the second chassis includes a first plate on an upper side and a second plate on a lower side, a plurality of station plates and a plurality of reinforcing plates connected between the respective first and second plates.
Preferably, when the first chassis and the second chassis are in a connected state, the first flat plate of the first chassis and the first flat plate of the second chassis are spliced and form a first plane; the second flat plate of the first chassis and the second flat plate of the second chassis are spliced to form a second plane.
Preferably, the second fixing frame comprises a main body frame and a rotating wheel mechanism which is detachably connected above the main body frame, and the rotating wheel mechanism is butted with the upper lacing line of the arresting net; the lower part of the main body frame is detachably connected with the first fixing frame.
Preferably, the main body frame comprises a third flat plate positioned at the lower side and butted with the first fixing frame and a fourth flat plate positioned at the upper side and butted with the rotating wheel mechanism.
Preferably, the rotating wheel mechanism comprises a fifth flat plate positioned above the fourth flat plate, and a first rotating wheel and a second rotating wheel which are rotatably connected between the fourth flat plate and the fifth flat plate and are respectively positioned at two sides.
Preferably, the connecting mechanism comprises a first mounting hole formed in the upper surface of the caisson, a second mounting hole formed in the lower side of the first fixing frame, an anchor bolt capable of penetrating through the second mounting hole and being inserted into the first mounting hole, and a nut in threaded connection with the anchor bolt, wherein the thread formed on the anchor bolt is located on the upper portion of the anchor bolt.
Preferably, the length of mounting bracket is 1600mm ~2000mm, and the width is 800mm ~1000mm, and the height is 1300mm ~1500 mm.
Preferably, the length value and the width value of the first fixing frame are both larger than those of the second fixing frame.
Due to the implementation of the above technical scheme, compared with the prior art, the utility model have the following advantage:
the utility model discloses a nuclear power plant's intake blocking net erects mechanism, the original caisson of nuclear power plant's intake is utilized to the erector to be provided with rather than the mounting bracket that can cooperate fixed connection for the erection work of nuclear power plant's intake blocking net becomes simple and convenient, avoids piling in the deep sea fixedly, improves the erection efficiency of blocking net greatly, reduces the cost expenditure; in addition, this mounting bracket structural design is compact reasonable, and stability is strong, tensile strength is high, avoids leading to damaging because of the pulling force overweight.
Drawings
FIG. 1 is a schematic front view of a mount of the present invention;
FIG. 2 is a side view of the mounting bracket of the present invention;
FIG. 3 is a schematic top view of the mounting bracket of the present invention;
wherein: 11. a first chassis; 12. a second chassis; 101. a first plate; 102. a second plate; 2. a second fixing frame; 201. a third plate; 202. a fourth plate; 203. a fifth plate; 31. anchor bolts; 32. a nut; l1, first wheel; l2, a second wheel; b1, standing board; b2, reinforcing plates.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 3, a nuclear power plant water intake blocking net erecting mechanism comprises caissons located at a plurality of spaced parts of a nuclear power plant water intake, and a plurality of mounting frames (the mounting frames have an overall length of 1800mm, a width of 900 mm, and a height of 1400 mm) for erecting a blocking net, wherein the mounting frames are respectively connected to the caissons through connecting mechanisms; the mounting bracket comprises a first fixing bracket butted with the caisson and a second fixing bracket 2 butted with the upper edge line of the blocking net, and the first fixing bracket is detachably connected with the second fixing bracket 2. The connecting mechanism comprises a first mounting hole formed in the upper surface of the caisson, a second mounting hole formed in the lower side of the first fixing frame, an anchor bolt 31 capable of penetrating through the second mounting hole and being inserted into the first mounting hole, and a nut 32 in threaded connection with the anchor bolt 31, wherein threads formed on the anchor bolt 31 are located on the upper portion of the anchor bolt.
Specifically, the first mount includes a first chassis 11 and a second chassis 12 detachably connected in a horizontal direction; the first chassis 11 and the second chassis 12 each include a first plate 101 on an upper side and a second plate 102 on a lower side, a plurality of standing plates b1 and a plurality of reinforcing plates b2 connected between the respective first plate 101 and second plate 102, and the first plate 101 of the first chassis 11 and the first plate 101 of the second chassis 12 are joined to form a first plane in a state where the first chassis 11 and the second chassis 12 are connected; the second plate 102 of the first chassis 11 and the second plate 102 of the second chassis 12 are joined to form a second plane. The length value and the width value of the first plane are smaller than those of the second plane, the first plane is positioned in the middle of the second plane in the horizontal direction, in addition, the first plane is in butt joint with the lower side surface of the second fixing frame 2, the second plane is in butt joint with the upper surface of the caisson,
further, the second fixing frame 2 comprises a main body frame and a rotating wheel mechanism which is detachably connected above the main body frame, and the rotating wheel mechanism is in butt joint with the upper edge line of the arresting net; the lower part of the main body frame is detachably connected with the first fixing frame. The main body frame includes a third flat plate 201 at a lower side to be butted against the first fixed frame and a fourth flat plate 202 at an upper side to be butted against a rotating wheel mechanism (in this case, the main body frame further includes a plurality of standing plates b1 and a plurality of reinforcing plates b2 connected between the third flat plate 201 and the fourth flat plate 202), the rotating wheel mechanism includes a fifth flat plate 203 located above the fourth flat plate 202, and a first rotating wheel L1 and a second rotating wheel L2 rotatably connected between the fourth flat plate 202 and the fifth flat plate 203 and located at both sides, respectively.
In this example, the first chassis 11 and the second chassis 12 and the main body frame, and the main body frame and the rotating wheel mechanism are detachably connected by a screw thread manner.
Furthermore, regarding the utility model discloses the mounting method specific case of erectting the mechanism as follows:
the mounting method of the erecting mechanism comprises ① drilling a first mounting hole in the upper surface of the caisson to be in butt joint with the connecting mechanism, ② sequentially hoisting the first underframe 11 and the second underframe 12 to the upper surface of the caisson by a hoisting device, aligning the second mounting holes formed in the second flat plates 102 of the first underframe 11 and the second underframe 12 with the first mounting holes drilled in the step ① one by one, ③ fixedly connecting the first underframe 11 with the second underframe 12, ④ hoisting the main frame to the upper side of the first fixing frame by the hoisting device and fixedly connecting the main frame with the first underframe 11 and the second underframe 12 in the first fixing frame respectively, ⑤ mounting and connecting the rotating wheel mechanism to the main frame, ⑥ injecting glue into the mounting holes, inserting the anchor bolts 31 of the connecting mechanism into the mounting holes, using nuts 32 to fixedly lock the first anchor bolts with the anchor bolts 31 after the glue is solidified, and further stably erecting the main frame on the caisson ⑥, inserting the anchor bolts into the mounting holes, and preferably preventing the anchor bolts from rotating and further preventing the anchor bolts from rotating when the anchor bolts from being solidified.
The first mounting hole is drilled in step ① by drawing a center line on the caisson, aligning the center line of the bed plate with the extension line of the center line as a reference, drilling a bed plate fixing bolt bottom hole (first mounting hole) according to the bed plate fixing bolt hole position, fixing the bed plate, adjusting the position of a bench drill according to the drilling center of the bed plate, filling the bench drill, drilling a bench drill fixing bolt hole, fixing the bench drill, preparing for drilling, drilling with the diameter of 50mm and the depth of 500mm, timely removing the auxiliary bed plate after drilling is completed, removing residues in the hole, and keeping dry.
The lifting device lifts the first underframe 11 and the second underframe 12 in the step ②, the hanger is arranged at a proper position of the caisson, and the manual hoists at each position are assembled and connected as required, the hanger is moved to the central line position, the lifting hook faces to the lifting direction, the hanger is moved to the lifting side of the caisson, the position is about 200mm-300mm away from the edge, the front wheel and the rear wheel of the hanger are blocked by using sizing blocks to prevent the hanger from sliding, the balance weight is placed, the lifting hook is laid down to prepare lifting, the steel cable is connected with the first underframe 11 by using a shackle on a ship, the steel cable is hooked by using the lifting hook, the hoist is pulled, the first underframe 11 is lifted, when the first underframe 11 is 50-100mm higher than the surface of the caisson, the sizing blocks of the rear wheel of the hanger are removed, the hanger is pulled backwards, the first underframe 11 is moved to the position close to the mounting position on the caisson, three rolling bars are placed under the base, the space is 200mm-300mm, the lifting hook is moved to the base by using a stick to the outside by about 1 meter, and the;
in step ③, the first chassis 11 and the second chassis 12 are fixed by moving the first chassis 11 to the mounting position, aligning the bottom hole (the second mounting hole) of the first chassis 11 with the first mounting hole, removing the roller, moving the second chassis 12 to the mounting position, aligning the first mounting hole, removing the roller, and bolting the first chassis 11 and the second chassis 12 together, thereby completing the assembly of the first fastening frame and keeping it stable.
And ⑥, injecting glue into the mounting holes, namely extruding and removing the unmixed part at the front end of the injection type bar-planting glue (Xili) by using a glue gun, injecting the mixed glue (about 230 ml) to pre-embed the bottom of the first mounting hole, inserting the foundation bolts 31 into the first mounting hole, screwing the nuts 32 of the foundation bolts 31 according to the reserved mounting length (100 mm), inserting the foundation bolts 31 in a forward and reverse rotating manner to ensure that the bolts and the hole wall are better bonded with the glue, curing the glue for 10 days (touch is forbidden in the period), screwing the nuts 32 of the foundation bolts 31 after the glue is cured, completing fastening, mixing epoxy resin according to the use requirement, quickly pouring the epoxy resin into the foundation holes, and pouring the rest foundation holes according to the same method.
To sum up, the nuclear power plant water intake blocking net erecting mechanism of the utility model utilizes the original caisson of the nuclear power plant water intake and is provided with the mounting rack which can be matched and fixedly connected with the caisson, so that the erecting work of the nuclear power plant water intake blocking net is simple and convenient, the piling and fixing in deep sea are avoided, the erecting efficiency of the blocking net is greatly improved, and the cost expenditure is reduced; in addition, this mounting bracket structural design is compact reasonable, and stability is strong, tensile strength is high, avoids leading to damaging because of the pulling force overweight.
Furthermore, the utility model discloses an erection device's mounting method, the step is simple compact, avoids the complicated step of pile in the deep sea, and considers complicated restrictive factor, improves the efficiency of erectting that improves the arresting net greatly, reduces the cost expenditure.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (10)
1. The utility model provides a nuclear power plant's water intaking mouth blocks net frame structure which characterized in that: the erection mechanism comprises a plurality of caissons which are positioned at a plurality of interval parts of a water intake of the nuclear power plant and a plurality of mounting frames for erecting the arresting net, and the mounting frames are respectively connected to the caissons through connecting mechanisms; the mounting frame comprises a first fixing frame and a second fixing frame, the first fixing frame is in butt joint with the caisson, the second fixing frame is in butt joint with the upper edge line of the blocking net, and the first fixing frame and the second fixing frame are detachably connected.
2. The nuclear power plant intake arrester net erecting mechanism of claim 1, characterized in that: the first fixing frame is provided with a first plane positioned on the upper portion and a second plane positioned on the lower portion, the length value and the width value of the first plane are smaller than those of the second plane, and the first plane is positioned in the middle of the second plane in the horizontal direction.
3. The nuclear power plant intake arrester net erecting mechanism of claim 2, characterized in that: the first fixing frame comprises a first bottom frame and a second bottom frame which are detachably connected in the horizontal direction.
4. The nuclear power plant intake arrester net mounting mechanism of claim 3, characterized in that: the first chassis and the second chassis each include a first flat plate located on an upper side and a second flat plate located on a lower side, a plurality of standing plates and a plurality of reinforcing plates connected between the respective first flat plate and the second flat plate.
5. The nuclear power plant intake arrester net erecting mechanism of claim 4, wherein: when the first chassis and the second chassis are in a connected state, the first flat plate of the first chassis and the first flat plate of the second chassis are spliced to form the first plane; the second flat plate of the first chassis and the second flat plate of the second chassis are spliced to form the second plane.
6. The nuclear power plant intake arrester net erecting mechanism of claim 1, characterized in that: the second fixing frame comprises a main body frame and a rotating wheel mechanism which is detachably connected above the main body frame, and the rotating wheel mechanism is in butt joint with the upper lacing line of the arresting net; the lower part of the main body frame is detachably connected with the first fixing frame.
7. The nuclear power plant intake arrester net erecting mechanism of claim 6, characterized in that: the main body frame comprises a third flat plate and a fourth flat plate, the third flat plate is located on the lower side and in butt joint with the first fixing frame, and the fourth flat plate is located on the upper side and in butt joint with the rotating wheel mechanism.
8. The nuclear power plant intake arrester net mounting mechanism of claim 7, characterized in that: the rotating wheel mechanism comprises a fifth flat plate positioned on the fourth flat plate, and a first rotating wheel and a second rotating wheel which are rotatably connected between the fourth flat plate and the fifth flat plate and are respectively positioned on two sides.
9. The nuclear power plant intake arrester net erecting mechanism of claim 1, characterized in that: the connecting mechanism comprises a first mounting hole formed in the upper surface of the caisson, a second mounting hole formed in the lower side of the first fixing frame, an anchor bolt capable of penetrating through the second mounting hole and being inserted into the first mounting hole, and a nut in threaded connection with the anchor bolt, wherein threads formed on the anchor bolt are located on the upper portion of the anchor bolt.
10. The nuclear power plant intake arrester net erecting mechanism of claim 1, characterized in that: the length of mounting bracket is 1600mm ~2000mm, and the width is 800mm ~1000mm, and highly is 1300mm ~1500 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920488885.2U CN210127449U (en) | 2019-04-11 | 2019-04-11 | Nuclear power plant water intake blocking net erecting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920488885.2U CN210127449U (en) | 2019-04-11 | 2019-04-11 | Nuclear power plant water intake blocking net erecting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210127449U true CN210127449U (en) | 2020-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920488885.2U Active CN210127449U (en) | 2019-04-11 | 2019-04-11 | Nuclear power plant water intake blocking net erecting mechanism |
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| Country | Link |
|---|---|
| CN (1) | CN210127449U (en) |
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- 2019-04-11 CN CN201920488885.2U patent/CN210127449U/en active Active
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