CN215553405U - Nuclear power plant main pump seal chamber carrying device - Google Patents
Nuclear power plant main pump seal chamber carrying device Download PDFInfo
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- CN215553405U CN215553405U CN202121438164.4U CN202121438164U CN215553405U CN 215553405 U CN215553405 U CN 215553405U CN 202121438164 U CN202121438164 U CN 202121438164U CN 215553405 U CN215553405 U CN 215553405U
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- main pump
- seal chamber
- driving
- pump seal
- power plant
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Abstract
The utility model relates to a nuclear power plant main pump seal chamber carrying device which comprises a conveying support, wherein a jacking mechanism used for bearing a main pump seal chamber is arranged on the upper surface of the conveying support; the conveying support is also provided with a driving mechanism for driving the conveying support to move, and the driving mechanism comprises a moving assembly and an auxiliary force increasing assembly matched with the moving assembly; and the turnover mechanism is arranged on the conveying support and used for driving the main pump sealing chamber to turn over, and comprises a pair of vertical supports which are arranged on the conveying support relatively and vertically, and a hanging component which is detachably arranged on the main pump sealing chamber and is rotatably connected with the vertical supports, wherein the jacking mechanism is arranged between the vertical supports. This nuclear power plant's main pump seal chamber handling device realizes the function that the firm of main pump seal chamber bears, safe transportation, upset to reduce on-the-spot maintenance work risk, time and human cost.
Description
Technical Field
The utility model relates to the technical field of nuclear power maintenance tools, in particular to a carrying device for a nuclear power plant main pump seal chamber.
Background
Sealing surfaces at the upper end and the lower end of a first sealing chamber of the 100-type main pump and a bottom temperature probe sleeve are loop pressure boundaries, and the sealing surfaces form a complete sealing pressure boundary under the sealing action of a sealing gasket, so that the protection in the maintenance process is particularly important.
In the historical maintenance process, no special maintenance tool for the first sealing chamber of the 100-type main pump is available, the simple flat trolley and the chain block can only be matched to complete the bearing, transportation and turnover work of the first sealing chamber, the investment of human resources is large, and the equipment is high in risk of slipping, falling, colliding and damaging.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a nuclear power plant main pump seal chamber carrying device.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the carrying device for the main pump seal chamber of the nuclear power plant comprises a conveying support, wherein a jacking mechanism for bearing the main pump seal chamber is arranged on the upper surface of the conveying support;
the conveying support is also provided with a driving mechanism for driving the conveying support to move, and the driving mechanism comprises a moving assembly and an auxiliary force increasing assembly matched with the moving assembly; and
locate be used for driving on the transportation support tilting mechanism of main pump seal chamber upset, it includes relative perpendicular locating a pair of perpendicular support on the transportation support to and demountable installation in on the main pump seal chamber and with perpendicular support rotatable coupling's suspension joint subassembly, climbing mechanism locates between the perpendicular support.
Preferably, the moving assembly comprises at least one set of driving wheels and at least one set of guide wheels which are oppositely arranged at the bottom or the side edge of the transportation bracket.
Preferably, the front end of the side edge of the transportation bracket is relatively provided with at least one group of positioning parts, and the bottom of each positioning part is provided with a driving shaft seat;
the moving assembly further comprises a driving shaft which is arranged on the driving shaft seat in a penetrating mode; the at least one group of driving wheels are respectively arranged at two ends of the driving shaft.
Preferably, the auxiliary boosting assembly comprises a connecting shaft seat arranged adjacent to the driving shaft seat, a connecting shaft arranged in the connecting shaft seat, and a pull rod with a first end sleeved on the connecting shaft;
the first ratchet wheel is sleeved on the driving shaft, the second ratchet wheel is sleeved on the connecting shaft, the second ratchet wheel is meshed with the first ratchet wheel, the axial side face of the second ratchet wheel is fixedly connected with the first end of the pull rod, and the pull rod swings to drive the driving wheel to rotate.
Preferably, the lateral edge of the transportation bracket is also provided with a plurality of telescopic legs.
Preferably, the upper side edge of the vertical bracket is provided with a support;
the hoisting assembly comprises a positioning plate and a positioning block, the positioning plate is detachably mounted on the main pump sealing chamber, the positioning block is arranged on the positioning plate, and a rotating shaft which is rotatably mounted in the support is arranged on the positioning block.
Preferably, the cross section of the positioning plate is arc-shaped.
Preferably, the turnover mechanism further comprises a driving member connected with one of the rotating shafts;
the drive member comprises a drive motor or a manual gearbox.
Preferably, the jacking mechanism comprises a jack.
Preferably, the top of the jack is further provided with a bearing plate, and the upper surface of the bearing plate is a smooth surface.
The implementation of the utility model has the following beneficial effects: this nuclear power plant's main pump seal chamber handling device realizes the function that the firm of main pump seal chamber bears, safe transportation, upset to reduce on-the-spot maintenance work risk, time and human cost.
Drawings
The utility model will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic structural diagram of a loading seal chamber of a nuclear power plant main pump seal chamber handling device of the utility model;
FIG. 2 is a detail view of a part of the structure of the handling device for the seal chamber of the nuclear power plant main pump;
FIG. 3 is a schematic structural diagram of the handling device for the seal chamber of the nuclear power plant main pump in a view angle;
FIG. 4 is a schematic structural diagram of the handling device for the seal chamber of the nuclear power plant main pump in another view;
FIG. 5 is a schematic view of the gearbox of the present invention with the housing omitted;
fig. 6 is a schematic structural view of the jack of the present invention.
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings. In the following description, it is to be understood that the orientations and positional relationships indicated by "front", "rear", "upper", "lower", "left", "right", "longitudinal", "lateral", "vertical", "horizontal", "top", "bottom", "inner", "outer", "leading", "trailing", and the like are configured and operated in specific orientations based on the orientations and positional relationships shown in the drawings, and are only for convenience of describing the present invention, and do not indicate that the device or element referred to must have a specific orientation, and thus, are not to be construed as limiting the present invention.
It is also noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," "disposed," and the like are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element or intervening elements may also be present. The terms "first", "second", "third", etc. are only for convenience in describing the present technical solution, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", etc. may explicitly or implicitly include one or more of such features. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1, the handling device for a nuclear power plant main pump seal chamber of the present invention includes a transportation support 1, a jacking mechanism 2 for carrying a main pump seal chamber 100 is further disposed on an upper surface of the transportation support 1, the transportation support 1 is further provided with a driving mechanism 3 for driving the transportation support 1 to move, the driving mechanism 3 includes a moving assembly and an auxiliary boosting assembly cooperating with the moving assembly, and a turnover mechanism 4 disposed on the transportation support 1 for driving the main pump seal chamber 100 to turn over, the turnover mechanism includes a pair of vertical supports disposed vertically on the transportation support 1, and a hanging assembly detachably mounted on the main pump seal chamber 100 and rotatably connected with the vertical supports, the jacking mechanism 2 is disposed between the vertical supports.
In this embodiment, the transportation support 1 includes a support body 11, the support body 11 is composed of criss-cross plate bodies, the plate bodies may be welded or screwed together, or the support body 11 is made of a whole square plate body, and preferably, the transportation support 1 and the vertical support are made of carbon steel materials with high strength.
Referring to fig. 2-4, in the present embodiment, the moving assembly includes at least one set of driving wheels and at least one set of guiding wheels, such as a first driving wheel 310 and a second driving wheel 311, disposed opposite to the bottom or the side edge of the transportation frame 1. At least one set of guide wheels, such as a first guide wheel 312 and a second guide wheel 313, preferably universal wheels, can adjust the moving direction of the transportation frame 1. The driving wheels and the guide wheels can be mounted to the bottom or the side edges of the transport carriage 1 by wheel seats. Further, the driving and guiding wheels may be provided with locking members to position the transport carriage 1 in a predetermined position to prevent movement.
Furthermore, the front end of the side edge of the transportation bracket 1 is relatively provided with at least one group of positioning parts, the bottom of each positioning part is provided with a driving shaft seat, and the moving assembly further comprises a driving shaft which is arranged on the driving shaft seat in a penetrating way; at least one group of driving wheels are respectively arranged at two ends of the driving shaft.
In this embodiment, the at least one positioning portion includes a first positioning portion 12 and a second positioning portion 13, the driving axle seat includes a first driving axle seat 33 and a second driving axle seat 34, the moving assembly further includes a driving axle 31 passing through the driving axle seat 33, and the first driving wheel 310 and the second driving wheel 311 are respectively mounted at two ends of the driving axle 31.
The auxiliary boosting assembly comprises a connecting shaft seat arranged adjacent to the driving shaft seat, a connecting shaft 32 arranged in the connecting shaft seat, and a pull rod with a first end sleeved on the connecting shaft 32, wherein the connecting shaft seat comprises a first connecting shaft seat 35 and a second connecting shaft seat 36, two ends of the connecting shaft 32 are rotatably arranged in the first connecting shaft seat 35 and the second connecting shaft seat 36, the auxiliary boosting assembly further comprises a first ratchet wheel 37 sleeved on the driving shaft 31, a second ratchet wheel 38 sleeved on the connecting shaft 32, the second ratchet wheel 38 is meshed with the first ratchet wheel 37, the axial side surface of the second ratchet wheel 38 is fixedly connected with the first end of the pull rod 39, and the pull rod 39 swings to drive the first driving wheel 310 and the second driving wheel 311 to rotate. When the road surface is uneven, the vertical swing stress direction of the pull rod 39 can be adjusted, the vertical swing stress direction can be adjusted, the torque of the driving wheel is increased through the matching of the first ratchet wheel 37 and the second ratchet wheel 38, and the driving wheel rotates, so that the function of moving the device on the uneven road surface is realized, and the pull rod 39 is of a detachable structure and is convenient to store.
Further, the lateral edge of the transportation support 1 is further provided with a plurality of retractable legs, for example, the front lateral edge of the support body 11 is provided with the first positioning seat 14 and the second positioning seat 15, the first retractable leg 314 is provided on the first positioning seat 14, the second retractable leg 315 is provided on the second positioning seat 15, the rear lateral edge of the support body 11 is provided with the third positioning seat 16 and the fourth positioning seat 17, the third retractable leg 316 is provided on the third positioning seat 16, and the fourth retractable leg 317 is provided on the fourth positioning seat 17. It will be appreciated that the telescopic legs can be loosened or locked to assist in securing the transport carriage 1.
Referring to fig. 3, in the present embodiment, the pair of vertical brackets includes a first vertical bracket 41 and a second vertical bracket 46. The vertical stand may be detachably mounted to the stand body 11 by means of screw coupling or the like. Preferably, a reinforcing rib plate connecting the vertical bracket and the bracket main body 11 may be further provided to improve the overall stability.
Taking the first vertical bracket 41 as an example, the upper side edge of the first vertical bracket 41 is provided with a first support 42, the suspension assembly comprises a first positioning plate 43 detachably mounted on the main pump seal chamber 100, and a first positioning block 44 arranged on the first positioning plate 48, and the first positioning block 44 is provided with a first rotating shaft 45 rotatably mounted in the first support 42.
Taking the second vertical bracket 46 as an example, a second support 47 is disposed on an upper side edge of the second vertical bracket 46, the suspension assembly includes a second positioning plate 48 detachably mounted on the main pump seal chamber 100, and a second positioning block 49 disposed on the second positioning plate 48, and a second rotating shaft 410 rotatably mounted in the second support 47 is disposed on the second positioning block 49.
In the present embodiment, the cross sections of the first positioning plate 43 and the second positioning plate 48 are arc-shaped, i.e. arc-shaped plates, which are in shape fit with the upper surface of the main pump seal chamber 100. The first positioning plate 43 and the second positioning plate 48 are provided with screw holes penetrating through upper and lower surfaces thereof, such as the first screw hole 431 on the first positioning plate 43 and the second screw hole 481 on the second positioning plate 48, which are used for fixing the main pump seal chamber 100 after bolts are installed, so as to realize subsequent turning operation.
Further, the turnover mechanism 4 further includes a driving member connected to one of the rotating shafts, and the driving member includes a driving motor or a manual gear box.
Preferably, a manual gear box 411 is adopted, and correspondingly, a mounting bracket for mounting the manual gear box 411 is further arranged on the vertical bracket.
Referring to fig. 5, the manual gear box 411 includes a housing, a first worm 4111, a first worm wheel 4112 located below the first worm 4111 and connected to the first worm wheel 4111, a second worm wheel 4113 coaxial with the first worm wheel 4112, a second worm wheel 4114 located above the second worm wheel 4113 and connected to the second worm wheel 4113, and a first gear 4115 and a second gear 4116 located outside the housing and engaged with each other, wherein the first gear 4115 is connected to the second worm wheel 4114, and the second gear 4116 is connected to the aforementioned second shaft 410. The first worm 4111 is connected to a hand wheel 4117 located outside the housing, or to a turning handle. Rotate hand wheel 4117, can drive the worm turbine and rotate, and then drive gear revolve, drive second locating plate 48 at last and rotate, can realize the upset of main pump seal chamber 100, and this manual gear case 411 possesses the auto-lock and prevents the upset function.
Of course, a driving motor, a hydraulic driving device and the like can be adopted, the turning angle can be controlled through a controller, and the turning angle can be selectively set according to actual requirements, and the turning angle is not particularly limited.
In this embodiment, climbing mechanism 2 includes the jack, and the top of jack still is equipped with the loading board, and the upper surface of loading board is the smooth surface, and its bottom surface can not produce the mar when the smooth surface can ensure main pump seal chamber 100 adjustment position. The jack is two pairs, namely a first jack 21 and a second jack 23, the bearing plate comprises a first bearing plate 22 arranged on the first jack 21 and a second bearing plate 24 arranged on the second jack 23. Further, the opposite sides of the first carrier plate 22 and the second carrier plate 24 are arc-shaped grooves to match with the main pump seal chamber 100.
Referring to fig. 6, taking the second jack 23 as an example, the second jack 23 includes a base 231 detachably mounted on the stand main body 11, a top seat 232 disposed opposite to the base 231, at least one pair of telescopic arms 233 telescopically disposed between the base 231 and the top seat 232 and disposed opposite to each other, at least one pair of telescopic arms 233 connected by a shaft, wherein a set of the shafts disposed opposite to each other is connected to a driving cylinder for driving the telescopic arms 233 to extend and retract after the operating rod 25 is connected thereto.
Each telescopic arm 233 includes a plurality of arms hinged to each other, the base 231 may include a bottom plate, a side plate vertically disposed on the bottom plate, the side plate is disposed in a waist hole 2311 extending along the length direction of the side plate, the top seat 232 has a structure identical to that of the base 231 and is also provided with a waist hole 2321, and the ends of the upper and lower arms are slidably mounted in the waist hole. Of course, a hydraulic lift table or the like may be used as the lift mechanism 2.
This nuclear power plant's main pump seal chamber handling device realizes the function that the firm of main pump seal chamber bears, safe transportation, upset to reduce on-the-spot maintenance work risk, time and human cost.
It is to be understood that the foregoing examples, while indicating the preferred embodiments of the utility model, are given by way of illustration and description, and are not to be construed as limiting the scope of the utility model; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several changes and modifications can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the claims of the present invention.
Claims (10)
1. The carrying device for the main pump seal chamber of the nuclear power plant is characterized by comprising a conveying support, wherein a jacking mechanism for bearing the main pump seal chamber is arranged on the upper surface of the conveying support;
the conveying support is also provided with a driving mechanism for driving the conveying support to move, and the driving mechanism comprises a moving assembly and an auxiliary force increasing assembly matched with the moving assembly; and
locate be used for driving on the transportation support tilting mechanism of main pump seal chamber upset, it includes relative perpendicular locating a pair of perpendicular support on the transportation support to and demountable installation in on the main pump seal chamber and with perpendicular support rotatable coupling's suspension joint subassembly, climbing mechanism locates between the perpendicular support.
2. The nuclear power plant main pump seal chamber handling apparatus of claim 1, wherein the moving assembly includes at least one set of drive wheels and at least one set of guide wheels disposed opposite a bottom or side edge of the transport frame.
3. The handling device for the nuclear power plant main pump seal chamber according to claim 2, wherein at least one set of positioning parts is oppositely arranged at the front ends of the side edges of the transportation bracket, and a driving shaft seat is arranged at the bottom of each positioning part;
the moving assembly further comprises a driving shaft which is arranged on the driving shaft seat in a penetrating mode; the at least one group of driving wheels are respectively arranged at two ends of the driving shaft.
4. The handling device for a nuclear power plant main pump seal chamber according to claim 3, wherein the auxiliary force-increasing assembly includes a connection shaft seat disposed adjacent to the driving shaft seat, a connection shaft installed in the connection shaft seat, and a pull rod having a first end sleeved on the connection shaft;
the first ratchet wheel is sleeved on the driving shaft, the second ratchet wheel is sleeved on the connecting shaft, the second ratchet wheel is meshed with the first ratchet wheel, the axial side face of the second ratchet wheel is fixedly connected with the first end of the pull rod, and the pull rod swings to drive the driving wheel to rotate.
5. The nuclear power plant main pump seal chamber handling apparatus of claim 1, wherein said side edge of said transport frame is further provided with a plurality of retractable legs.
6. The nuclear power plant main pump seal chamber handling apparatus of claim 1, wherein said vertical support upper skirt is provided with a seat;
the hoisting assembly comprises a positioning plate and a positioning block, the positioning plate is detachably mounted on the main pump sealing chamber, the positioning block is arranged on the positioning plate, and a rotating shaft which is rotatably mounted in the support is arranged on the positioning block.
7. The handling device for the seal chamber of the nuclear power plant main pump according to claim 6, wherein the positioning plate has an arc-shaped cross section.
8. The handling apparatus for a nuclear power plant main pump seal chamber according to claim 6, wherein said tilting mechanism further includes a driving member connected to one of said shafts;
the drive member comprises a drive motor or a manual gearbox.
9. The nuclear power plant main pump seal chamber handling apparatus of claim 1, wherein the jacking mechanism includes a jack.
10. The handling device for the nuclear power plant main pump seal chamber according to claim 9, wherein a bearing plate is further provided on the top of the jack, and the upper surface of the bearing plate is smooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121438164.4U CN215553405U (en) | 2021-06-25 | 2021-06-25 | Nuclear power plant main pump seal chamber carrying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121438164.4U CN215553405U (en) | 2021-06-25 | 2021-06-25 | Nuclear power plant main pump seal chamber carrying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215553405U true CN215553405U (en) | 2022-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121438164.4U Active CN215553405U (en) | 2021-06-25 | 2021-06-25 | Nuclear power plant main pump seal chamber carrying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215553405U (en) |
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2021
- 2021-06-25 CN CN202121438164.4U patent/CN215553405U/en active Active
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