CN212200299U - Dirt cleaning device for nuclear power plant - Google Patents
Dirt cleaning device for nuclear power plant Download PDFInfo
- Publication number
- CN212200299U CN212200299U CN202020245366.6U CN202020245366U CN212200299U CN 212200299 U CN212200299 U CN 212200299U CN 202020245366 U CN202020245366 U CN 202020245366U CN 212200299 U CN212200299 U CN 212200299U
- Authority
- CN
- China
- Prior art keywords
- tines
- rake body
- power plant
- nuclear power
- grab bucket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Load-Engaging Elements For Cranes (AREA)
Abstract
The utility model relates to a specialized tool technical field of nuclear power plant relates to a nuclear power plant's filth cleaning device, including grab bucket and actuating mechanism, the grab bucket includes preceding harrow body and back harrow body, and actuating mechanism includes the lifting means subassembly and snatchs the subassembly, and it is rotatory to snatch the relative back harrow body of harrow body before the subassembly can drive, and the lifting means subassembly is connected with the grab bucket and goes up and down with the drive grab bucket. Through setting up lifting unit, snatch subassembly drive grab bucket and move to interception grid department and realize opening or closed to clear up the filterable filth of interception grid during daily, can avoid the interception grid to take place to block up, ensure the safety of nuclear power plant's cold source. The rear rake body is of a straight structure, so that the resistance of separating dirt from the intercepting grid can be reduced, the width size of the grab bucket is reduced, the occupied space is reduced, and the rear rake body is suitable for a narrow space at the intercepting grid. The front rake body is bent to be of an arc-shaped structure, so that the contact area of the bottom wall of the water taking port is reduced while the dirt accommodating space is guaranteed, the closed resistance of the grab bucket is reduced, and the grab bucket is prevented from being damaged.
Description
Technical Field
The utility model relates to a nuclear power plant specialized tool technical field especially relates to a nuclear power plant's filth cleaning device.
Background
The nuclear power plant cold source intake design is taken water from open sea by the water intaking runner that the cofferdam encloses, compares the nuclear power plant that the intake is uncovered and arranges, and it receives the risk of open sea stormy waves, marine life invasion and attack relatively lower. But at the same time, the sewage and the marine life which enter the water taking flow channel are difficult to flow out of the open sea by the aid of storms and tides.
At present, the water taking flow channel is additionally provided with the intercepting grids for filtering dirt which enters the water taking flow channel and is large in size, such as garbage, weeds, algae and branches with large sizes, the dirt is easy to wind on the intercepting grids to cause accumulation, then various kinds of shellfish can be attached to grow to enlarge the blocking area, the intercepting grids do not have a good cleaning method in the daily period, and the intercepting grids can only be taken out to be manually cleaned and maintained in the overhaul period of the unit, so that the cold source safety of a nuclear power plant is seriously influenced by the blocking of the intercepting grids in the daily period.
SUMMERY OF THE UTILITY MODEL
Based on this, it is necessary to provide a nuclear power plant sewage cleaning device capable of rapidly cleaning the interception grille during daily life.
A nuclear power plant dirt cleaning apparatus comprising:
the grab bucket comprises a front rake body and a rear rake body, the front rake body is bent into an arc-shaped structure, the rear rake body is in a straight structure, and the front rake body is rotatably connected with the rear rake body so as to enable the grab bucket to have a closed state capable of grabbing dirt and an open state capable of releasing the dirt; and
the driving mechanism comprises a lifting assembly and a grabbing assembly, the grabbing assembly can drive the front rake body to rotate relative to the rear rake body, and the lifting assembly is connected with the grab bucket to drive the grab bucket to lift.
Among the above-mentioned nuclear power plant's filth cleaning device, through setting up the lifting means, snatch subassembly drive grab bucket and move to interception grid department and realize opening or closed to clear up the filterable filth of interception grid during daily, can avoid the interception grid to take place to block up, thereby ensure the safety of nuclear power plant's cold source. Furthermore, the rear rake body is of a straight structure, so that the resistance of separating dirt from the intercepting grids can be reduced, the width size of the grab bucket can be reduced, and the occupied space is reduced, so that the narrow space at the intercepting grids is adapted. In addition, the front rake body is bent to be of an arc-shaped structure, so that the contact area of the bottom wall of the water taking port is reduced while the dirt accommodating space is ensured, the closed resistance of the grab bucket is reduced, and the grab bucket is prevented from being damaged.
In one embodiment, the rear rake body includes a first connecting piece and a plurality of first rake teeth, the front rake body includes a second connecting piece and a plurality of second rake teeth, the first connecting piece, the second connecting piece and the first rake teeth are all in an elongated structure, the plurality of first rake teeth are connected to the first connecting piece at intervals along the length direction of the first connecting piece, the second rake teeth are bent to form an arc-shaped structure, and the plurality of second rake teeth are connected to the second connecting piece at intervals along the length direction of the second connecting piece.
In one embodiment, the first tine includes a first side facing towards the front tine body, a second side facing away from the front tine body, and a third side gradually approaching from the first side to the second side at an end of the first tine remote from the first connector to connect the first side to the second side.
In one embodiment, the second side is planar; and/or the first side surface is a plane, and the third side surface is an arc surface smoothly connected with the first side surface.
In one embodiment, the second tine has a fourth side facing towards the rear rake body, a fifth side facing away from the rear rake body, and a sixth side gradually approaching from the fourth side towards the fifth side at the end of the second tine remote from the second connector to connect the fourth side with the fifth side.
In one embodiment, the fifth side surface is an arc surface; and/or the fourth side surface is an arc surface, and the sixth side surface is an arc surface smoothly connected with the fourth side surface.
In one embodiment, at least one of the following schemes is also included:
a plurality of first rake tines are connected to a side of the first connecting member facing away from the front rake body;
a plurality of second rake tines are connected to a side of the second connecting member facing away from the rear rake body;
the plurality of first rake teeth are arranged at equal intervals, the plurality of second rake teeth are arranged at equal intervals, any two adjacent first rake teeth correspond to the second rake teeth, and any two adjacent second rake teeth correspond to the first rake teeth;
the plurality of first rake teeth are arranged at equal intervals, the plurality of second rake teeth are arranged at equal intervals, the second rake teeth are correspondingly arranged between any two adjacent first rake teeth, the first rake teeth are correspondingly arranged between any two adjacent second rake teeth, the rear rake body comprises a first cross rod, the first cross rod is sequentially connected with one ends of the plurality of first rake teeth, which are far away from the first connecting piece, and in the closed state, one ends of the second rake teeth, which are far away from the second connecting piece, are abutted against the first cross rod;
the front rake body comprises a second cross rod, and the second cross rod is sequentially connected with one ends of the second rake teeth, which are far away from the second connecting piece.
In one embodiment, the grab bucket comprises a baffle and a rotating shaft, the baffle is fixedly connected to one side of the first connecting piece, which faces the front rake body, the rotating shaft is fixedly connected to one side of the second connecting piece, which faces the rear rake body, and both ends of the rotating shaft are rotatably connected to one side of the baffle, which faces away from the first connecting piece.
In one embodiment, the lifting assembly comprises a driving machine, a speed reducer, a drum and a lifting rope, the driving machine drives the drum to rotate after being decelerated by the speed reducer, the drum rotates to wind or release the lifting rope, and one end of the lifting rope, which is far away from the drum, is connected with the grab bucket.
In one embodiment, the grabbing assembly comprises a liquid storage tank, a hydraulic pump, a liquid guide pipe and a hydraulic cylinder, two ends of the liquid guide pipe are respectively connected with the hydraulic pump and the hydraulic cylinder, the hydraulic pump can pump the liquid in the liquid storage tank to the hydraulic cylinder, a cylinder body of the hydraulic cylinder is connected with the rear rake body, and a piston rod of the hydraulic cylinder is connected with the front rake body.
Drawings
FIG. 1 is a block diagram of a nuclear power plant contaminant removal device according to an embodiment;
FIG. 2 is a schematic view of the grab bucket of the nuclear power plant dirt cleaning apparatus shown in FIG. 1 in an open position;
FIG. 3 is a schematic view of the closed state of the grab bucket of the nuclear power plant dirt cleaning apparatus shown in FIG. 1;
FIG. 4 is a schematic view of a lifting assembly of the nuclear power plant contaminant removal device of FIG. 1;
FIG. 5 is a schematic view of a grasping assembly of the nuclear power plant contaminant removal device of FIG. 1.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully below. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 2 and 3, the X direction is defined as the length direction of the grab, the Y direction is defined as the width direction of the grab, and the Z direction is defined as the vertical direction.
Combine fig. 1 and fig. 2 to show, the utility model discloses a nuclear power plant's filth cleaning device 10 is used for carrying out daily clearance to the filth of nuclear power plant's cold source water intake department interception grid interception. The nuclear power plant contaminant removal device 10 includes a grab 300 and a drive mechanism 500. The grab bucket 300 includes a front rake body 310 and a rear rake body 330, the front rake body 310 is bent to form an arc structure, the rear rake body 330 is a straight structure, and the front rake body 310 is rotatably connected with the rear rake body 330, so that the grab bucket 300 has a closed state capable of grabbing dirt and an open state capable of releasing the dirt. The driving mechanism 500 comprises a lifting assembly 510 and a grabbing assembly 530, the grabbing assembly 530 can drive the front rake body 310 to rotate relative to the rear rake body 330 so as to open or close the grab 300, and the lifting assembly 510 is connected with the grab 300 so as to drive the grab 300 to lift. This nuclear power plant's filth cleaning device 10 carries out the operation flow of daily clearance to the interception grid and is: the lifting assembly 510 drives the grapple 300 to descend close to the intercepting grid, the grabbing assembly 530 drives the grapple 300 to open while the grapple 300 descends, after the grapple 300 falls to the intercepting grid, the grabbing assembly 530 drives the grapple 300 to close and grab the dirt, then the lifting assembly 510 drives the grapple 300 to ascend and move the dirt out, then the grapple 300 opens to discharge the grabbed dirt, and finally the grapple 300 closes and returns to the original state.
Above-mentioned nuclear power plant filth cleaning device 10 is through setting up lifting means 510, snatching subassembly 530, can drive grab bucket 300 and move to interception grid department and realize opening or closed to clear up the filterable filth of interception grid during daily, take place to block up in order to avoid the interception grid, thereby ensure the safety of nuclear power plant cold source. Further, the rear rake body 330 is a straight structure, which can reduce the resistance of separating dirt from the intercepting grid, and also can reduce the width of the grab bucket 300, and reduce the occupied space, so as to adapt to the narrow space at the intercepting grid. In addition, the front rake body 310 is bent to be of an arc-shaped structure, so that the contact area of the front rake body and the bottom wall of the water intake port can be reduced while the dirt accommodating space is ensured, the closing resistance of the grab bucket 300 is reduced, and the grab bucket 300 is prevented from being damaged.
As shown in fig. 2, in one embodiment, rear rake body 330 includes a first connecting member 331 and a plurality of first rake teeth 332, front rake body 310 includes a second connecting member 311 and a plurality of second rake teeth 312, first connecting member 331, second connecting member 311 and first rake teeth 332 are in an elongated structure, the plurality of first rake teeth 332 are connected to first connecting member 331 at intervals along the length direction of first connecting member 331, second rake teeth 312 are bent to form an arc-shaped structure, and the plurality of second rake teeth 312 are connected to second connecting member 311 at intervals along the length direction of second connecting member 311. By providing the plurality of first tines 332 and the plurality of second tines 312, water in the dirt can be smoothly discharged when the grapple 300 grabs the dirt, so that resistance when the grapple 300 is closed is reduced, and weight of the grabbed dirt is also reduced, thereby reducing load of the lifting assembly 510. In addition, the plurality of first rake teeth 332 are arranged at intervals, so that the first rake teeth 332 can be inserted into the gaps on the intercepting grids to completely clean dirt in the gaps, meanwhile, the grab bucket 300 is partially crossed with the intercepting grids, and the occupied space of the grab bucket 300 can be reduced to adapt to the narrow space at the intercepting grids.
As shown in fig. 3, in particular, the first tine 332 includes a first side 333, a second side 334 and a third side 335, the first side 333 faces the front body 310, the second side 334 faces away from the front body 310, and at an end of the first tine 332 away from the first connecting member 331, the third side 335 gradually approaches from the first side 333 to the second side 334 to connect the first side 333 with the second side 334, which is configured such that a thickness of an end of the first tine 332 away from the first connecting member 331 is gradually reduced to reduce resistance of dirt entering the grab bucket 300. Further, the second side surface 334 is a plane surface, so that the first rake teeth 332 have a certain width to facilitate better cleaning of the dirt on the surface of the intercepting grid and in the gaps on the intercepting grid. Further, first side 333 is the plane, third side 335 is the cambered surface with first side 333 smooth connection, so can be so that the one end of keeping away from first connecting piece 331 of first rake teeth 332 is the blade form that has less thickness to help the separation of filth and interception grid, the cambered surface design of while smooth connection also can be smooth guide filth to get into grab bucket 300, avoid filth to get into grab bucket 300 and be obstructed, and so set up also can make first rake teeth 332 have certain width, so that carry out better clearance to the filth. In this embodiment, the second side surface 334 and the first side surface 333 are both flat, which can also increase the strength of the first rake teeth 332, and prevent the first rake teeth 332 from breaking under the resistance of the dirt.
The second tine 312 has a fourth side 313, a fifth side 314 and a sixth side 315, the fourth side 313 faces the rear body 330, the fifth side 314 faces away from the rear body 330, and at the end of the second tine 312 away from the second link 311, the sixth side 315 gradually approaches from the fourth side 313 to the fifth side 314 to connect the fourth side 313 and the fifth side 314, so that the thickness of the end of the second tine 312 away from the second link 311 is gradually reduced to reduce the resistance of dirt entering the grapple 300. Further, the fifth side surface 314 is an arc surface, so that the second rake teeth 312 have a certain width, so as to achieve better cleaning of dirt on the premise of ensuring the strength of the second rake teeth. Further, fourth side 313 is the cambered surface, sixth side 315 is the cambered surface with fourth side 313 smooth connection, so can make the one end of keeping away from second connecting piece 311 of second rake teeth 312 be the cutting edge form that has less thickness, thereby help filth to get into grab bucket 300, the cambered surface design of while smooth connection also can be smooth guide filth to get into grab bucket 300, it is obstructed to avoid filth to get into grab bucket 300, and so set up also can make second rake teeth 312 have certain width, so that carry out better clearance to the filth. In the present embodiment, the fifth side surface 314 and the fourth side surface 313 are both flat surfaces, which can also increase the strength of the second rake teeth 312, and prevent the second rake teeth 312 from being broken under the resistance of the dirt.
Specifically, as shown in fig. 2, a plurality of first tines 332 are connected to a side of the first connection member 331 facing away from the front rake body 310, so that the first tines 332 can be completely inserted into the slits of the intercepting grid. In addition, the arrangement can enable the first connecting piece 331 to form a barrier for dirt in the vertical direction, and reduce the leakage of the dirt. The plurality of second rake teeth 312 are connected to one side of the second connecting piece 311 departing from the rear rake body 330, so that the space for accommodating dirt in the grab bucket 300 can be increased to grab more dirt, and in addition, the second connecting piece 311 forms the blocking of the dirt in the vertical direction, so that the leakage of the dirt can be reduced. Specifically, the first rake teeth 332 are arranged at equal intervals, the second rake teeth 312 correspond to any two adjacent first rake teeth 332, and the first rake teeth 332 correspond to any two adjacent second rake teeth 312, so that the first rake teeth 332 and the second rake teeth 312 are staggered in the length direction of the grab 300, dirt can be better clamped, and the dirt is prevented from falling.
As shown in fig. 2, specifically, the rear rake body 330 includes a first cross bar 336, the first cross bar 336 is connected to one end of the first rake teeth 332 away from the first connecting part 331 in sequence, and in the closed state, one end of the second rake teeth 312 away from the second connecting part 311 abuts against the first cross bar 336, so that the degree of closure between the front rake body 310 and the rear rake body 330 can be limited, which is helpful for better gripping dirt, and at the same time, the strength of the rear rake body 330 can be improved. Further, the first cross bar 336 is connected to the side surfaces of the two adjacent first rabble teeth 332, and in the vertical direction, the connection position of the third side surface 335 and the first side surface 333 is located at the same height as the first cross bar 336, so that the end of the second rabble tooth 312, which is far away from the second connecting piece 311, can just extend into the gap between the two first rabble teeth 332 and does not exceed the side of the rear rabble body 330, which is back to the front rabble body 310, so that the front rabble body 310 and the rear rabble body 330 can be better closed, and the increase of the width size of the grab bucket 300, which is caused by the fact that the second rabble tooth 312 exceeds the side of the rear rabble body 330, which is back to the front rabble body 310, can also be avoided. Further, the first cross bar 336 is a long bar, two ends of which are respectively connected to the two first rake teeth 332 located at two ends of the first connecting member 331, and the first cross bar penetrates all the remaining first rake teeth 332 except the first rake teeth 332 located at two ends of the first connecting member 331. In other embodiments, the first cross bar 336 is composed of a plurality of short bars, wherein the short bars are disposed between any two adjacent first rake teeth 332, and the plurality of short bars are coaxially disposed to achieve the same technical effect as a long bar. Specifically, the front rake body 310 includes a second cross bar 316, and the second cross bar 316 is connected to one end of the second rake teeth 312, which is far from the second connecting member 311, in sequence, so as to not only help to better grip dirt, but also improve the strength of the front rake body 310.
Further, the grab bucket 300 further comprises a screen plate (not shown), a plurality of through holes are uniformly distributed on the screen plate, and the screen plate is arranged between any two adjacent first rake teeth 332 and any two adjacent second rake teeth 312, so that water in the dirt flows out through the through holes, and the grab bucket 300 can take away less water while grabbing the dirt to the maximum extent.
As shown in fig. 2, in one embodiment, the grapple 300 includes a blocking plate 350 and a rotating shaft 370, the blocking plate 350 is fixedly connected to a side of the first connecting member 331 facing the front rake body 310, the rotating shaft 370 is fixedly connected to a side of the second connecting member 311 facing the rear rake body 330, both ends of the rotating shaft 370 are rotatably connected to a side of the blocking plate 350 facing away from the first connecting member 331, and the blocking plate 350 is arranged to block the dirt in the vertical direction, so as to reduce the leakage of the dirt.
Referring to fig. 1, 2 and 4, in one embodiment, the lifting assembly 510 includes a lifting drive machine 511, a reducer 512, a drum 513 and a lifting rope 514, the lifting drive machine 511 is decelerated by the reducer 512 to rotate the drum 513, the drum 513 rotates to wind or release the lifting rope 514, and an end of the lifting rope 514 far away from the drum 513 is connected to the grapple 300. Specifically, the lifting assembly 510 includes a base 515, a bracket 516, a coupler 517 and a brake 518, the lifting driver 511 and the reducer 512 are both mounted on the base 515, the drum 513 is mounted on the base 515 through the bracket 516, and both ends of the drum 513 are respectively supported by two brackets 516, so that the drum 513 is suspended above the base 515. The drum 513 is connected to the decelerator 512 through a coupling 517, the lift driver 511 is connected to the decelerator 512 through a coupling 517 and a brake 518, and the brake 518 is used for braking the decelerator 512. Specifically, the number of the lifting assemblies 510 is two, and the two lifting assemblies 510 are both connected to the grab 300, so as to increase the number of the lifting ropes 514 connected to the grab 300, thereby ensuring the safety and the stability of the lifting of the grab 300. Specifically, in one lifting assembly 510, the number of the winding drums 513 is two, one speed reducer 512 can drive two winding drums 513 simultaneously to rotate, so that the two winding drums 513 can share one speed reducer 512 and one lifting driving machine 511, the complexity of the structure is reduced, the cost is reduced, the number of lifting ropes 514 connected with the grab bucket 300 can be increased, and the stability of lifting the grab bucket 300 is ensured. Thus, there are four drums 513 for the two lifting assemblies 510, four lifting ropes 514 are required to be connected to the grab 300, and the four drums 513 are located at the same height and the four lifting ropes 514 are synchronously moved by the same rotation speed. In this way, an encoder (not shown) is provided at one end of the winding drum 513 to detect the rotation of the winding drum 513, so that the four winding drums 513 operate synchronously. As shown in fig. 2, two ends of the grab 300 are respectively provided with two lifting ropes 514, the two lifting ropes 514 at the same end are arranged at intervals, and the four lifting ropes 514 are arranged in a rectangular shape, so that the stability of the grab 300 in the excess lifting can be improved. Specifically, two of the lifting ropes 514 are connected to both ends of the first connecting member 331, and the other two lifting ropes 514 are connected to both ends of the barrier 350.
Referring to fig. 1, 2 and 5, in one embodiment, the grabbing assembly 530 includes a tank 531, a hydraulic pump 532, a liquid guide pipe 533 and a hydraulic cylinder 534, two ends of the liquid guide pipe 533 are respectively connected to the hydraulic pump 532 and the hydraulic cylinder 534, the hydraulic pump 532 can pump the liquid in the tank 531 to the hydraulic cylinder 534, a cylinder 534b of the hydraulic cylinder 534 is connected to the rear rake body 330, and a piston rod 534a of the hydraulic cylinder 534 is connected to the front rake body 310. After the liquid enters the hydraulic cylinder 534, the piston rod 534a is pushed to extend or contract relative to the cylinder 534b, so as to drive the front rake body 310 and the rear rake body 330 to rotate relatively. Specifically, two liquid guide pipes 533 are provided, two ends of the cylinder body 534b of the hydraulic cylinder 534 are respectively provided with one liquid guide port 534c, the two liquid guide pipes 533 are respectively connected with the two liquid guide ports 534c in a one-to-one correspondence manner, and the other ends of the two liquid guide pipes 533 are both connected with the hydraulic pump 532, so that when liquid is input into the chamber on one side of the piston 534d through one liquid guide pipe 533, the liquid on the other side of the piston 534d flows back to the liquid storage tank 531 through the other liquid guide pipe 533, and the operation is performed alternately, so that the automatic control of the extension or the contraction of the piston 534d can be realized, and the control of the opening or the closing. Specifically, there are two grabbing assemblies 530, and the hydraulic cylinders 534 of the two grabbing assemblies 530 are connected to the grab 300 and respectively located at two ends of the grab 300, so as to facilitate the opening and closing of the grab 300. Further, a cylinder 534b of the hydraulic cylinder 534 is rotatably connected to the rear rake body 330, and a piston rod 534d of the hydraulic cylinder 534 is rotatably connected to the rotating shaft 370.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (12)
1. A nuclear power plant dirt cleaning apparatus, comprising:
the grab bucket comprises a front rake body and a rear rake body, the front rake body is bent into an arc-shaped structure, the rear rake body is in a straight structure, and the front rake body is rotatably connected with the rear rake body so as to enable the grab bucket to have a closed state capable of grabbing dirt and an open state capable of releasing the dirt; and
the driving mechanism comprises a lifting assembly and a grabbing assembly, the grabbing assembly can drive the front rake body to rotate relative to the rear rake body, and the lifting assembly is connected with the grab bucket to drive the grab bucket to lift.
2. The nuclear power plant dirt cleaning apparatus of claim 1, wherein the rear rake body includes a first link and a plurality of first tines, the front rake body includes a second link and a plurality of second tines, the first link, the second link and the first tines are each in an elongated configuration, the plurality of first tines are connected to the first link at intervals along a length of the first link, the second tines are curved in an arc configuration, and the plurality of second tines are connected to the second link at intervals along a length of the second link.
3. The nuclear power plant dirt cleaning apparatus of claim 2, wherein the first tine includes a first side facing toward the front rake body, a second side facing away from the front rake body, and a third side that tapers from the first side toward the second side at an end of the first tine away from the first connector to connect the first side to the second side.
4. The nuclear power plant dirt cleaning apparatus of claim 3, wherein the second side is planar; and/or the first side surface is a plane, and the third side surface is an arc surface smoothly connected with the first side surface.
5. The nuclear power plant dirt cleaning apparatus of claim 2, wherein the second rake teeth have a fourth side facing the rear rake body, a fifth side facing away from the rear rake body, and a sixth side gradually approaching from the fourth side to the fifth side at an end of the second rake teeth remote from the second connector to connect the fourth side to the fifth side.
6. The nuclear power plant dirt cleaning apparatus of claim 5, wherein the fifth side is a curved surface; and/or the fourth side surface is an arc surface, and the sixth side surface is an arc surface smoothly connected with the fourth side surface.
7. A nuclear power plant dirt cleaning apparatus according to claim 2, further including at least one of:
a plurality of first rake tines are connected to a side of the first connecting member facing away from the front rake body;
a plurality of second rake tines are connected to a side of the second connecting member facing away from the rear rake body;
the front rake body comprises a second cross rod, and the second cross rod is sequentially connected with one ends of the second rake teeth, which are far away from the second connecting piece.
8. The nuclear power plant waste cleaning apparatus of claim 2, wherein a plurality of the first tines are equally spaced apart and a plurality of the second tines are equally spaced apart, and wherein the second tines are associated with any two adjacent first tines and the first tines are associated with any two adjacent second tines.
9. The nuclear power plant waste cleaning apparatus of claim 2, wherein a plurality of the first tines are equally spaced apart, a plurality of the second tines are equally spaced apart, the second tines are aligned between any adjacent two of the first tines, the first tines are aligned between any adjacent two of the second tines, and the rear rake body includes a first cross bar that sequentially connects an end of the plurality of the first tines distal from the first link, wherein an end of the second tines distal from the second link abuts the first cross bar in the closed position.
10. The nuclear power plant dirt cleaning device of claim 2, wherein the grab bucket includes a baffle fixedly connected to a side of the first connecting member facing the front rake body, and a rotating shaft fixedly connected to a side of the second connecting member facing the rear rake body, both ends of the rotating shaft being rotatably connected to a side of the baffle facing away from the first connecting member.
11. The nuclear power plant dirt cleaning device of claim 1, wherein the lifting assembly includes a driving machine, a speed reducer, a drum and a lifting rope, the driving machine is decelerated by the speed reducer to drive the drum to rotate, the drum rotates to wind or release the lifting rope, and one end of the lifting rope, which is far away from the drum, is connected with the grab bucket.
12. The nuclear power plant dirt cleaning device of claim 1, wherein the grabbing component comprises a liquid storage tank, a hydraulic pump, a liquid guide pipe and a hydraulic cylinder, two ends of the liquid guide pipe are respectively connected with the hydraulic pump and the hydraulic cylinder, the hydraulic pump can pump liquid in the liquid storage tank to the hydraulic cylinder, a cylinder body of the hydraulic cylinder is connected with the rear rake body, and a piston rod of the hydraulic cylinder is connected with the front rake body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020245366.6U CN212200299U (en) | 2020-03-03 | 2020-03-03 | Dirt cleaning device for nuclear power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020245366.6U CN212200299U (en) | 2020-03-03 | 2020-03-03 | Dirt cleaning device for nuclear power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212200299U true CN212200299U (en) | 2020-12-22 |
Family
ID=73819699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020245366.6U Active CN212200299U (en) | 2020-03-03 | 2020-03-03 | Dirt cleaning device for nuclear power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212200299U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112942207A (en) * | 2021-02-03 | 2021-06-11 | 泰州新润辰建设工程有限公司 | Municipal works slot rubbish cleaning device |
| CN113463586A (en) * | 2021-05-19 | 2021-10-01 | 江苏诺德环保工程有限公司 | Take grid de-dirt machine of desilting rake teeth mechanism |
-
2020
- 2020-03-03 CN CN202020245366.6U patent/CN212200299U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112942207A (en) * | 2021-02-03 | 2021-06-11 | 泰州新润辰建设工程有限公司 | Municipal works slot rubbish cleaning device |
| CN113463586A (en) * | 2021-05-19 | 2021-10-01 | 江苏诺德环保工程有限公司 | Take grid de-dirt machine of desilting rake teeth mechanism |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212200299U (en) | Dirt cleaning device for nuclear power plant | |
| CN101736725A (en) | Trash remover | |
| CN108265688A (en) | Nuclear power station swinging integration trash | |
| CN201074338Y (en) | Reciprocating bucket grab raking equipment | |
| CN105839683A (en) | Semi-submersible type hydraulic grab for cleaning and dredging | |
| CN111395275A (en) | Cleaning equipment for intercepting grids at cold source water intake of nuclear power plant | |
| CN206385506U (en) | A kind of V-arrangement trash rack structure and the trash rack system comprising the structure | |
| CN205100275U (en) | Brush hydraulic grab trash cleaning machine is arranged to threading tool | |
| CN1079701A (en) | Collection ship for refuse on water surface | |
| CN214832497U (en) | Self-cleaning trash rack | |
| CN111663596A (en) | Crane type dirt-removing grab bucket capable of grabbing dirt ejected to lower part of grab bucket tooth | |
| CN2851223Y (en) | Hydraulic grab bucket for asymmetric special-shape jaw plate | |
| CN205776444U (en) | A kind of for clearing up and the semi-submersible type hydraulic grab of dredging | |
| CN116377966A (en) | Filter grid device for diversion canal gate station | |
| CN208105215U (en) | Trash before a kind of grid | |
| CN214325328U (en) | Water surface cleaning primary and secondary ship | |
| CN2706512Y (en) | Combined movable grid dirt-removing device | |
| CN106836141B (en) | Continuous flushing type water delivery open channel sewage blocking device | |
| CN109322291A (en) | A kind of gutter automatic cleaning apparatus | |
| CN212452860U (en) | Crane type dirt-removing grab bucket capable of grabbing dirt ejected to lower part of grab bucket tooth | |
| CN2700401Y (en) | Grille decontaminating device | |
| CN212534259U (en) | External-in and internal-out type drum net bottom online dredging system | |
| CN107034866B (en) | Method and device for cleaning garbage on water surface at water inlet of unit of hydraulic power plant | |
| CN209741784U (en) | nuclear power station water intaking waters system of decontaminating | |
| CN210315420U (en) | Shearing type dirt-removing scraper bucket |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |