CN204917887U - Reactor coolant pump's thermal shielding and diffuser turning device - Google Patents
Reactor coolant pump's thermal shielding and diffuser turning device Download PDFInfo
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- CN204917887U CN204917887U CN201520485472.0U CN201520485472U CN204917887U CN 204917887 U CN204917887 U CN 204917887U CN 201520485472 U CN201520485472 U CN 201520485472U CN 204917887 U CN204917887 U CN 204917887U
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- turning device
- coolant pump
- reactor coolant
- connecting panel
- heat shielding
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Abstract
The utility model discloses a reactor coolant pump's thermal shielding and diffuser turning device, including frame, reduction gear, driving shaft and driven shaft, the reduction gear is fixed in the frame, the driving shaft with the driven shaft rotates the setting respectively and is in in the frame, the driving shaft with the output of reduction gear is connected, and the driving shaft with the driven shaft is coaxial to be arranged, separates default distance between the two with the holding work piece, the one end of work piece with the driving shaft is connected, the other end with the driven shaft is connected, with the drive upset down of driving shaft. Owing to adopted the mechanical system operation of overturning, consequently can effective control and supervision switching process, reached the biggest protection to personnel and equipment.
Description
Technical field
The utility model relates to Nuclear Power Plant Project technical field, particularly relates to a kind of heat shielding and diffuser turning device of reactor coolant pump.
Background technology
In the prior art, general employing driving also implements the heat shielding of reactor coolant pump and the turning operation of diffuser under hand fit, need keep the trend of driving and carry out center adjustment in switching process, not only operating process is loaded down with trivial details, easy topples over, and exists because flip-flop transition is long and bring the risk that collective dose rate is high.
Utility model content
Main purpose of the present utility model is the heat shielding and the diffuser turning device that provide a kind of reactor coolant pump, is intended to solve the technical matters that existing operating mode exists complex operation, poor reliability, radio exposure time length.
For achieving the above object, the utility model provides a kind of heat shielding and diffuser turning device of reactor coolant pump, comprise frame, retarder, imput shaft and driven shaft, described retarder is fixed in described frame, described imput shaft and described driven shaft rotate respectively and are arranged in described frame, described imput shaft is connected with the mouth of described retarder, and described imput shaft and described driven shaft coaxially arranged, separate predeterminable range between the two with accommodating workpiece, one end of described workpiece is connected with described imput shaft, the other end is connected with described driven shaft, to overturn under the drive of described imput shaft.
Preferably, the heat shielding of described reactor coolant pump and diffuser turning device also comprise the first connecting panel and the second connecting panel, one end of described workpiece is connected with described imput shaft by described first connecting panel, and the other end is connected with described driven shaft by described second connecting panel.
Preferably, described workpiece and fixing respectively by screw lock between described first connecting panel and described second connecting panel.
Preferably, the heat shielding of described reactor coolant pump and diffuser turning device also comprise the protection pad be separately positioned between described first connecting panel and described workpiece, between described second connecting panel and described workpiece.
Preferably, described first connecting panel is enclosed within described imput shaft by the through hole that it offers, and is fixed between described first connecting panel and described imput shaft by lock clasp; Described second connecting panel is enclosed within described driven shaft by the through hole that it is offered, and is fixed between described second connecting panel and described driven shaft by lock clasp.
Preferably, described retarder is provided with the handwheel for driving described retarder operation to rotate to drive described imput shaft; Or described retarder is provided with the adapter substitute for driving described retarder operation to rotate to drive described imput shaft.
Preferably, the heat shielding of described reactor coolant pump and diffuser turning device also comprise the motor be fixed on described frame or described retarder, the output revolving shaft of described motor is connected with the input end of described retarder, rotates to drive described imput shaft for driving described retarder operation.
Preferably, described frame comprises two columns and is connected to the first crossbeam between described two columns, and described retarder and described imput shaft are arranged on column described in, and described driven shaft is arranged on column described in another.
Preferably, the heat shielding of described reactor coolant pump and diffuser turning device also comprise and can be placed on described first crossbeam and suspension bracket for lifting described workpiece, and described suspension bracket comprises second cross beam and is connected to the hanging beam at two ends of described second cross beam.
The heat shielding of a kind of reactor coolant pump provided by the utility model and diffuser turning device, for carrying out mechanized operation to the upset of heat shielding and diffuser, there is simple to operate and that reliability is high feature, can the switching process of effective control & monitor workpiece, completely solve and to lack experience due to personnel and Hoisting Position is selected improper and caused device damage and cause the problem of safety misadventure; In addition, due to the time adopting mechanized operation to substantially reduce human users, the personnel in switching process that therefore also solve accept the problem of heavy dose of radio exposure, improve the safety of work.
Accompanying drawing explanation
Fig. 1 is the heat shielding of reactor coolant pump of the present utility model and the structural representation of diffuser turning device one embodiment;
The partial view A that Fig. 2 is structure shown in Fig. 1;
The partial enlarged drawing B that Fig. 3 is structure shown in Fig. 1;
Fig. 4 is the heat shielding of reactor coolant pump of the present utility model and the structural representation of another embodiment of diffuser turning device;
The partial enlarged drawing C that Fig. 5 is structure shown in Fig. 4.
The realization of the utility model object, functional characteristics and advantage will in conjunction with the embodiments, are described further see accompanying drawing.
Detailed description of the invention
Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
The utility model provides a kind of heat shielding and diffuser turning device of reactor coolant pump, see Fig. 1 to Fig. 5, heat shielding and the diffuser turning device of this reactor coolant pump comprise frame, retarder 170, imput shaft 160 and driven shaft 150, wherein the frame of the present embodiment is overall similar with portal frame, adopt easy framed structure to reduce manufacturing cost, the first crossbeam 110 that such as this frame comprises two columns 100 and is connected between two columns 100, be connected and fixed by metal corner piece between column 100 and first crossbeam 110, also can by being welded and fixed, and can the midway location of first crossbeam 110 be provided with for hoisting frame rise hanging part 111, this plays hanging part 111 and offers through hole for installing steel rope or shackle, thus by driving or other any suitable hanging devices, frame is sling.Retarder 170 is fixed in frame, imput shaft 160 and driven shaft 150 rotate respectively and are arranged in frame, imput shaft 160 is connected with the mouth of retarder 170, and imput shaft 160 and driven shaft 150 coaxially arranged, separating predeterminable range between the two with accommodating workpiece (is heat shielding 200 corresponding to Fig. 1 workpiece, be diffuser 300 corresponding to Fig. 4 workpiece), one end of workpiece is connected with imput shaft 160, the other end is connected with driven shaft 150, to overturn under the drive of imput shaft 160, be understandable that, imput shaft 160 plays the effect of supporting workpiece and transmitting torque simultaneously, and driven shaft 150 only plays the effect of supporting workpiece.
Particularly, in order to shorten imput shaft 160 and retarder 170 mouth between connection distance, retarder 170 and imput shaft 160 are arranged on same column 100, and driven shaft 150 is arranged on another column 100.In the present embodiment, imput shaft 160 and driven shaft 150 are all through the column 100 at its place, thus realize more stable support, and in order to make the stability of rotation of imput shaft 160 and driven shaft 150 smooth and easy, imput shaft 160 and driven shaft 150 are all arranged on column 100 by axle sleeve or bearing.Retarder 170 forms primarily of casing and the multiple gears be meshed be arranged in casing, and there is the input end and mouth that can be connected with ex-ternal transmission part, the torque relationship between input end and mouth is regulated by setting transmitting ratio, on retarder 170, be such as provided with the handwheel 180 driving imput shaft 160 to rotate for driving retarder 170 to run, as shown in Figure 2, be connected by key between handwheel 180 with the input end of retarder 170, the upset of workpiece is realized by manual rotation's handwheel 180, the difficulty that personnel carry out workpiece turning operation is substantially reduced under the effect that retarder 170 pairs of input torques amplify, and this retarder 170 also has auto-lock function, prevent workpiece from driving imput shaft 160 to rotate, thus ensure that safety of operation.In addition, for the driving source input mode adopting manpower as retarder 170, manpower is received except adopting above-mentioned handwheel 180, handwheel 180 can also be replaced with adapter substitute (not shown), such as this adapter substitute is connected with torque-indicating wrench adaptation, specifically can be the square head of an inch, can certainly be other any suitable conventional tool joints, this is not restricted.
It is worth mentioning that; in the switching process of workpiece; manually link is participated in order to reduce; further protection personal safety; the heat shielding of this reactor coolant pump and diffuser turning device also comprise the motor (not shown) be fixed on frame or retarder 170; the output revolving shaft of motor is connected with the input end of retarder 170, drives imput shaft 160 to rotate for driving retarder 170 to run.Can automation mechanized operation be realized by setting the mode of operation of motor, after installing workpiece, such as can realize the upset of workpiece by pressing start button, have that efficiency is high, the feature of accurate positioning.It should be noted that, also can retain the manual input-mode such as handwheel 180, adapter substitute when being configured with motor, and artificial input and be electronicly input as parallel input, non-interference between the two, therefore can improve adaptive capacity.
In addition, conveniently lift workpiece, facilitate trade union college in imput shaft 160 and driven shaft 150, the heat shielding of this reactor coolant pump and diffuser turning device also comprise and can be placed on first crossbeam 110 and suspension bracket for lifting workpiece, in one example, this suspension bracket comprises second cross beam 130 and is connected to the hanging beam 120 at two ends of second cross beam 130, wherein the midway location of second cross beam 130 is provided with the hanging part 140 for lifting suspension bracket, play hanging part 140 and be provided with through hole for installing steel rope or shackle, thus by driving or other any suitable hanging devices, suspension bracket is sling, and when suspension bracket being placed on first crossbeam 110 after unloading workpiece, fast workpiece is taken away bench board after being convenient to maintenance finished piece.
In order to the commonality of the heat shielding and diffuser turning device that improve reactor coolant pump, the turning operation of the heat shielding 200 such as shown in simultaneous adaptation Fig. 1 and the diffuser shown in Fig. 4 300, the heat shielding of the reactor coolant pump of the present embodiment and diffuser turning device also comprise the first connecting panel and the second connecting panel, one end of workpiece is connected with imput shaft 160 by the first connecting panel, the other end is connected with driven shaft 150 by the second connecting panel, therefore the structure by changing the first connecting panel and the second connecting panel adapts to the installation requirement of different workpieces, thus reduce improvement cost.As shown in Figure 3; first connecting panel 101 is roughly in platy structure; fixed by screw lock between itself and heat shielding 200; heat shielding 200 is scratched in order to prevent the first connecting panel 101 from directly contacting with heat shielding 200; the heat shielding of this reactor coolant pump and diffuser turning device also comprise the protection pad 103 be arranged between the first connecting panel 101 and heat shielding 200; protection pad 103 can be soft rubber cushion, felt mattress etc., can select flexibly during embody rule.In addition, conveniently change the first connecting panel 101, first connecting panel 101 is enclosed within imput shaft 160 by the through hole that it offers, and the first connecting panel 101 is locally thickeied the Joint strenght improved between itself and imput shaft 160, be locked by bearing pin 102 between first connecting panel 101 and imput shaft 160, can certainly be fixed by screw lock.Because the structure of the second connecting panel is identical with the first connecting panel 101, therefore do not repeat them here.
As shown in Figure 5, consider that the length of diffuser 300 is slightly smaller than the length of heat shielding 200, therefore the first connecting panel 104 and the second connecting panel are configured to class " Z " character form structure to adapt to installation requirement.In the present embodiment, the first connecting panel 104 is identical with the structure of the second connecting panel, is only described in detail for the first connecting panel 104 below.The first connecting panel 104 wherein shown in Fig. 5 is spliced by three parts; can certainly be one-body molded; fixed by screw lock between itself and diffuser 300; diffuser 300 is scratched in order to prevent the first connecting panel 104 from directly contacting with diffuser 300; the heat shielding of this reactor coolant pump and diffuser turning device also comprise the protection pad 106 be arranged between the first connecting panel 104 and diffuser 300; protection pad 106 can be soft rubber cushion, felt mattress etc., can select flexibly during embody rule.Same as the previously described embodiments, for the ease of dismounting first connecting panel 104, first connecting panel 104 is enclosed within imput shaft 160 by the through hole that it offers, and the first connecting panel 104 is locally thickeied the Joint strenght improved between itself and imput shaft 160, be locked by bearing pin 105 between first connecting panel 104 and imput shaft 160, can certainly be fixed by screw lock.
According to the technical scheme of the utility model embodiment, by carrying out mechanized operation to the upset of heat shielding and diffuser, there is simple to operate and that reliability is high feature, can the switching process of effective control & monitor workpiece, completely solve and to lack experience due to personnel and Hoisting Position is selected improper and caused device damage and cause the problem of safety misadventure; In addition, due to the time adopting mechanized operation to substantially reduce human users, the personnel in switching process that therefore also solve accept the problem of heavy dose of radio exposure, improve the safety of work.
These are only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model specification sheets and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (9)
1. the heat shielding of a reactor coolant pump and diffuser turning device, it is characterized in that, comprise frame, retarder, imput shaft and driven shaft, described retarder is fixed in described frame, described imput shaft and described driven shaft rotate respectively and are arranged in described frame, described imput shaft is connected with the mouth of described retarder, and described imput shaft and described driven shaft coaxially arranged, separate predeterminable range between the two with accommodating workpiece, one end of described workpiece is connected with described imput shaft, the other end is connected with described driven shaft, to overturn under the drive of described imput shaft.
2. the heat shielding of reactor coolant pump as claimed in claim 1 and diffuser turning device, it is characterized in that, the heat shielding of described reactor coolant pump and diffuser turning device also comprise the first connecting panel and the second connecting panel, one end of described workpiece is connected with described imput shaft by described first connecting panel, and the other end is connected with described driven shaft by described second connecting panel.
3. the heat shielding of reactor coolant pump as claimed in claim 2 and diffuser turning device, is characterized in that, described workpiece and fixing respectively by screw lock between described first connecting panel and described second connecting panel.
4. the heat shielding of reactor coolant pump as claimed in claim 2 and diffuser turning device; it is characterized in that, the heat shielding of described reactor coolant pump and diffuser turning device also comprise the protection pad be separately positioned between described first connecting panel and described workpiece, between described second connecting panel and described workpiece.
5. the heat shielding of reactor coolant pump as claimed in claim 2 and diffuser turning device, it is characterized in that, described first connecting panel is enclosed within described imput shaft by the through hole that it offers, and is fixed between described first connecting panel and described imput shaft by lock clasp; Described second connecting panel is enclosed within described driven shaft by the through hole that it is offered, and is fixed between described second connecting panel and described driven shaft by lock clasp.
6. the heat shielding of reactor coolant pump as claimed in claim 1 and diffuser turning device, it is characterized in that, described retarder is provided with the handwheel for driving described retarder operation to rotate to drive described imput shaft; Or described retarder is provided with the adapter substitute for driving described retarder operation to rotate to drive described imput shaft.
7. the heat shielding of reactor coolant pump as claimed in claim 1 and diffuser turning device, it is characterized in that, the heat shielding of described reactor coolant pump and diffuser turning device also comprise the motor be fixed on described frame or described retarder, the output revolving shaft of described motor is connected with the input end of described retarder, rotates to drive described imput shaft for driving described retarder operation.
8. the heat shielding of the reactor coolant pump according to any one of claim 1 to 7 and diffuser turning device, it is characterized in that, described frame comprises two columns and is connected to the first crossbeam between described two columns, described retarder and described imput shaft are arranged on column described in, and described driven shaft is arranged on column described in another.
9. the heat shielding of reactor coolant pump as claimed in claim 8 and diffuser turning device, it is characterized in that, the heat shielding of described reactor coolant pump and diffuser turning device also comprise and can be placed on described first crossbeam and suspension bracket for lifting described workpiece, and described suspension bracket comprises second cross beam and is connected to the hanging beam at two ends of described second cross beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520485472.0U CN204917887U (en) | 2015-07-07 | 2015-07-07 | Reactor coolant pump's thermal shielding and diffuser turning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520485472.0U CN204917887U (en) | 2015-07-07 | 2015-07-07 | Reactor coolant pump's thermal shielding and diffuser turning device |
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| Publication Number | Publication Date |
|---|---|
| CN204917887U true CN204917887U (en) | 2015-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520485472.0U Active CN204917887U (en) | 2015-07-07 | 2015-07-07 | Reactor coolant pump's thermal shielding and diffuser turning device |
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| CN (1) | CN204917887U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107902599A (en) * | 2017-11-24 | 2018-04-13 | 中车永济电机有限公司 | Current transformer supplementary module transports assembling trolley |
| CN108726458A (en) * | 2018-05-04 | 2018-11-02 | 江苏核电有限公司 | A kind of reactor coolant pump thrust bearing shoe valve disk turnover device and its installation method |
| CN115185060A (en) * | 2022-06-22 | 2022-10-14 | 北京空间机电研究所 | Large-diameter reflector assembly overturning structure |
-
2015
- 2015-07-07 CN CN201520485472.0U patent/CN204917887U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107902599A (en) * | 2017-11-24 | 2018-04-13 | 中车永济电机有限公司 | Current transformer supplementary module transports assembling trolley |
| CN108726458A (en) * | 2018-05-04 | 2018-11-02 | 江苏核电有限公司 | A kind of reactor coolant pump thrust bearing shoe valve disk turnover device and its installation method |
| CN108726458B (en) * | 2018-05-04 | 2023-08-15 | 江苏核电有限公司 | Reactor coolant pump thrust tile disc overturning device and installation method thereof |
| CN115185060A (en) * | 2022-06-22 | 2022-10-14 | 北京空间机电研究所 | Large-diameter reflector assembly overturning structure |
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| GR01 | Patent grant |