CN201930879U - Square steam generator eyelet flushing rigid sludge gun - Google Patents
Square steam generator eyelet flushing rigid sludge gun Download PDFInfo
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- CN201930879U CN201930879U CN 201020638750 CN201020638750U CN201930879U CN 201930879 U CN201930879 U CN 201930879U CN 201020638750 CN201020638750 CN 201020638750 CN 201020638750 U CN201020638750 U CN 201020638750U CN 201930879 U CN201930879 U CN 201930879U
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- gun barrel
- steam generator
- eyelet
- flushing
- guide plate
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Abstract
The utility model relates to the technical field of steam generator sludge flushing of a nuclear power station, and particularly discloses a square steam generator eyelet flushing rigid sludge gun, which comprises a gun barrel component, a connecting flange component, a guide rail component and an operator component, wherein an outer barrel of a connecting sleeve of an inner bearing and an outer bearing in the operator is in rigid connection with a three-position swinging cylinder and is fixed at one side of the connecting flange component, an inner barrel of the connecting sleeve is sequentially fixedly connected with a linear cylinder, gun barrel gas claws and the guide rail component, a guide plate in the gun barrel component penetrates through the other side of the connecting flange and is fixed in the connecting flange, the tail end of the gun barrel is fixed on the guide rail component, the middle part of the gun barrel is clamped on the gun barrel gas claws, and the front end of the gun barrel is fixed on a guide plate. The guide rail component provides fixation and support for the gun barrel and ensures the forward and backward movement of the gun barrel; the gun barrel is in an inner diameter abrupt change mode at a gun nozzle point to increase flow velocity; and when the gun barrel is not rotated normally, a steel ball type safety clutch is started to trigger a photoelectric switch to send an alarm signal.
Description
Technical field
The utility model belongs to nuclear power station steam generator body refuse douching technique field, is specifically related to a kind of square steam generator eyelet flushing rigidity body refuse rifle.
Background technology
Each nuclear power country of the world all attaches great importance to the body refuse problem of cleaning of steam generator (SG), has also therefore developed the cleaning method of variety of way.Comparatively speaking, because the cost of machinery cleaning body refuse rifle method is low, simple, washing time is short, simultaneously desludging is had certain efficient, so, nuclear power station all cleans machinery as customary means both at home and abroad at present, during the overhaul of at every turn reloading evaporimeter is cleaned.
Traditional rigidity body refuse rifle generally refers to hand hole rigidity body refuse rifle, and it is piping lane two ends, center that the rifle body is installed on the SG secondary side hand hole, and nozzle is positioned between the piping lane alignment tube of center and washes, and operating pressure generally is not higher than 20MPa.For the SG of heat-transfer pipe square arrangement, general is washed from a direction, for the SG of heat-transfer pipe rounded projections arranged, can wash from a plurality of directions.Rigidity body refuse rifle has good effect to the soft body refuse of removing between pipe, but relatively poor to the body refuse removal effect of sclerosis, and is simultaneously, not really desirable to the removing of the body refuse at heat-transfer pipe rear portion.
Comparatively speaking, the eyelet douching technique has advantage more intuitively: though the hand hole douching technique can partly be removed the body refuse at heat-transfer pipe rear portion, but have body refuse residual.The eyelet douching technique washes from the another one direction, uses simultaneously with the hand hole douching technique, has eliminated most of flushing dead band, can well remove the soft body refuse in overwhelming majority zone on the tube sheet, and flush efficiency is higher.
At present, the eyelet rifle is the eyelet sluice gun technology that only has French SRA company to design and develop of practical application at home, and it can be realized on the eyelet from the cleaning of another one direction to the heat-transfer pipe rear portion.But because the limitation of its project organization: often occur the situation that the rifle body gets stuck in the use, cause the fracture of rifle body when serious; Because electronic mode is adopted in the swing of rifle body, can't realize quick reciprocating swing; Only can be applied to the Daya Gulf steam generator and realize flushing, we can say that existing SRA company eyelet body refuse rifle exists certain limitation.
Summary of the invention
The purpose of this utility model is to provide a kind of square steam generator eyelet flushing rigidity body refuse rifle, can remove the soft body refuse in overwhelming majority zone on the tube sheet, improve flush efficiency, simultaneously, this eyelet flushing rigidity body refuse rifle goes for the steam generator that domestic heat-transfer pipe is square arrangement, improve the single device utilization rate, save equipment cost.
The technical solution of the utility model is a kind of square steam generator eyelet flushing rigidity body refuse rifle, comprise adaptive flange A, adaptive flange B, guide plate strap and back shaft, adaptive flange A and adaptive flange B are by the back shaft support fixation, and adaptive flange A center drilling also is complementary with the steam generator eyelet, sleeve is inside and outside double-layer barrel bearing jointing structure, fixedly connected with adaptive flange B right side in its outer cylinder body upper end, fixedly connected with three oscillating cylinders in the lower end, has gear structure on the sleeve inner core body wall, and with three oscillating cylinder axles on gears engaged, sleeve inner core body wall is fixedlyed connected with straight line cylinder, and be installed with two gun barrel gas pawls in the both sides of straight line cylinder, fixedly connected with line slideway in the right side of rightmost side gun barrel gas pawl, the track and the steel-ball type overload-release clutch of line slideway upper end are slidingly connected; Guide plate one end passes adaptive flange A fixedlys connected with the guide plate strap, the afterbody of gun barrel is fixedlyed connected with the steel-ball type overload-release clutch, its middle part grips by two gun barrel gas pawls, its front end passes slide plate support fixation in adaptive flange B and adaptive flange A and the guide plate chute, and the front end of gun barrel is fixedly connected with the rifle mouth vertical with the gun barrel direction, wherein, the chute of guide plate parallels with gun barrel.
Described steel-ball type overload-release clutch upper end is a ladder cylindrical drum structure, the lower end is for connecting base, and on the connection base, have manhole optoelectronic switch installing hole, in the optoelectronic switch installing hole, optoelectronic switch is installed, the track of slide block and line slideway upper end is complementary, and with to be connected base fixedly connected.
Upper end, described guide plate middle part is connected with the club shaped structure gripper shoe, and is fixed with steel wire rope in the upper end of gripper shoe one side, and steel wire penetrating is fixed on the annular stop ring on the guide plate of gripper shoe right side, extends between adaptive flange A and the adaptive flange B always.
The internal diameter of described gun barrel is Φ 4mm, and the internal diameter of rifle mouth is Φ 3mm.
The model of described three oscillating cylinders is: FESTODRQD-25-180-YSRJ-A-FW-Z1-B.
The model of described straight line cylinder is: FESTO SLT-10-40-A-CC-B.
The model of described gun barrel gas pawl is: FESTO HGPT-25-A, and on the gas finger of gun barrel gas pawl, be fixed with rubber layer.
The right side of described adaptive flange B is fixed with pointer, and the end of pointer is near gun barrel, the step distance of verification gun barrel.
The utility model has the advantages that the adaptive flange in the adpting flange assembly can adapt to different steam generator eyelets; Guide assembly provides fixing for gun barrel and has supported, and can guarantee that gun barrel seesaws along the direction of line slideway simultaneously; Gun barrel adopts the mode of sudden change internal diameter at rifle mouth place, can improve flow velocity; Under abnormal conditions, when gun barrel normally rotated, the throw-out-of clutch on the steel-ball type overload-release clutch triggered optoelectronic switch simultaneously, sends alarm signal.
Description of drawings
Fig. 1 is square steam generator eyelet flushing rigidity body refuse rifle structural representation;
Fig. 2 is a C-C view among Fig. 1;
Among the figure, 1, gun barrel; 2, rifle mouth; 3, guide plate; 4, gripper shoe; 5, steel wire rope; 6, spacing ring; 7, slide plate; 8, adaptive flange A; 9, adaptive flange B; 10, guide plate strap; 11, three oscillating cylinders; 12, straight line cylinder; 13, gun barrel gas pawl; 14, line slideway; 15, steel-ball type overload-release clutch; 16, pointer; 17, optoelectronic switch installing hole; 18, connect base; 19, slide block; 20, back shaft; 21, sleeve.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is described in detail:
As shown in Figure 1 and Figure 2, square steam generator eyelet flushing rigidity body refuse rifle comprises barrel assembly, adpting flange assembly, guide assembly and manipulator assemblies, wherein, the adpting flange assembly comprises adaptive flange A8, adaptive flange B9, guide plate strap 10 and back shaft 20, adaptive flange A8 and adaptive flange B9 are square structure and pass through back shaft 20 support fixation, and adaptive flange A8 center drilling also is complementary with the eyelet of steam generator, guide plate strap 10 is a platy structure, and is fixed between adaptive flange A8 and the adaptive flange B9; Manipulator assemblies comprises sleeve 21, three oscillating cylinders 11, straight line cylinder 12 and gun barrel gas pawl 13, wherein, sleeve 21 is inside and outside double-layer barrel bearing jointing structure, sleeve 21 outer cylinder bodies upper end is fixed on the right side of adaptive flange B9, fixedly connected with three oscillating cylinders 11 in the lower end, has gear structure on the sleeve 21 inner core body walls, and with 11 of three oscillating cylinders on gears engaged, sleeve 21 inner core body walls are fixedlyed connected with straight line cylinder 12, and two gun barrel gas pawls 13 are installed in straight line cylinder 12 both sides, wherein, the model of three oscillating cylinders 11 is: FESTODRQD-25-180-YSRJ-A-FW-Z1-B, the model of straight line cylinder 12 is: FESTOSLT-10-40-A-CC-B, and the model of gun barrel gas pawl 13 is: FESTO HGPT-25-A, and on the gas finger of gun barrel gas pawl 13, be fixed with rubber layer; Guide assembly comprises line slideway 14, steel-ball type overload-release clutch 15, and wherein, line slideway 14 upper ends are the platy structure guide rail, and the lower end is vertically disposed floor, and the axle of the gun barrel gas pawl 13 of the rightmost side is fixedlyed connected in its left end and the manipulator assemblies; Steel-ball type overload-release clutch 15 is installed on line slideway 14, wherein, steel-ball type overload-release clutch 15 upper ends are the ladder cylindrical drum, the lower end is for connecting base 18, and on connection base 18, have manhole optoelectronic switch installing hole 17, can in optoelectronic switch installing hole 17, optoelectronic switch be installed, slide block 19 is complementary with the platy structure track of line slideway 14 upper ends, and be bolted to connection with the base 18 that is connected on the steel-ball type overload-release clutch 15, steel-ball type overload-release clutch 15 can be slided on line slideway 14; Barrel assembly comprises gun barrel 1, guide plate 3, gripper shoe 4 and steel wire rope 5, and wherein, guide plate 3 is the long strip-board shape structure, and the one end passes the circular hole at adaptive flange A8 center, fixes with guide plate strap 10; Be connected with platy structure gripper shoe 4 in upper end, guide plate 3 middle parts, and a side is fixed with steel wire rope 5 in the upper end of gripper shoe 4, steel wire rope 5 passes the annular stop ring 6 that is fixed on the gripper shoe 4 right side guide plates 3, extend between adaptive flange A8 and the adaptive flange B9 always, can be by pulling steel wire rope 5, make gripper shoe 4 from parallel, become vertical with guide plate 3 with guide plate 3; Gun barrel 1 afterbody is fixed in the ladder hole of steel-ball type overload-release clutch 15 upper ends, front end passes the front end of adaptive flange B9 and adaptive flange A8 arrival guide plate 3 always, its middle part grips by two gun barrel gas pawls 13, the front end of gun barrel 1 is fixedly connected with the rifle mouth 2 vertical with gun barrel 1 direction, and the internal diameter of rifle mouth 2 is the internal diameter Φ 4mm of Φ 3mm less than gun barrel 1; Have the chute that parallels with gun barrel 1 on the guide plate 3, in chute, be provided with the front end that slide plate 7 can support fixation gun barrel 1, gun barrel 1 can be slided along the chute on the guide plate 3; Be installed with pointer 16 on adaptive flange B9, the end that can make pointer 16 is near gun barrel 1, and the step distance of verification gun barrel 1 is to guarantee the kinematic accuracy of gun barrel.
The concrete course of work of square steam generator eyelet flushing rigidity body refuse rifle described in the utility model is: the front end and the gripper shoe 4 of guide plate 3, gun barrel 1 are extend in the square steam generator eyelet, and adaptive flange A8 is fixed on the steam generator eyelet, pull steel wire rope 5, make gripper shoe 4 vertical with guide plate 3, withstand on the upper support of steam generator the recoil strength when preventing gun barrel 1 water spray; Straight line cylinder 12 cooperates with two gun barrel gas pawls 13 can make gun barrel 1 front end advance or retreat along the chute of guide plate 3, and the afterbody of gun barrel 1 advances or retreats along the track of line slideway 14 synchronously; Three oscillating cylinders 11 can drive straight line cylinder 12, gun barrel gas pawl 13, line slideway 14, steel-ball type overload-release clutch 15 and gun barrel 1 whole swing, realize rifle mouth 2 reciprocally swinging in ± 90 ° of scopes of gun barrel 1 front end, on steel-ball type overload-release clutch 15, optoelectronic switch is installed, can be solved the problem of fault alarm in the gun barrel swing process.
Claims (8)
1. a square steam generator eyelet washes rigidity body refuse rifle, comprise adaptive flange A (8), adaptive flange B (9), guide plate strap (10) and back shaft (20), adaptive flange A (8) and adaptive flange B (9) pass through back shaft (20) support fixation, and adaptive flange A (8) center drilling also is complementary with the steam generator eyelet, it is characterized in that: sleeve (21) is inside and outside double-layer barrel bearing jointing structure, fixedly connected with adaptive flange B (9) right side in its outer cylinder body upper end, fixedly connected with three oscillating cylinders (11) in the lower end, has gear structure on sleeve (21) the inner core body wall, and with three oscillating cylinders (11) axle on gears engaged, sleeve (21) inner core body wall is fixedlyed connected with straight line cylinder (12), and be installed with two gun barrel gas pawls (13) in the both sides of straight line cylinder (12), fixedly connected with line slideway (14) in the right side of rightmost side gun barrel gas pawl (13), the track and the steel-ball type overload-release clutch (15) of line slideway (14) upper end are slidingly connected; Guide plate (3) one ends pass adaptive flange A (8) fixedlys connected with guide plate strap (10), the afterbody of gun barrel (1) is fixedlyed connected with steel-ball type overload-release clutch (15), its middle part grips by two gun barrel gas pawls (13), its front end passes slide plate (7) support fixation in adaptive flange B (9) and adaptive flange A (8) and guide plate (3) chute, and the front end of gun barrel (1) is fixedly connected with the rifle mouth (2) vertical with gun barrel (1) direction, wherein, the chute of guide plate (3) parallels with gun barrel (1).
2. a kind of square steam generator eyelet flushing rigidity body refuse rifle according to claim 1, it is characterized in that: described steel-ball type overload-release clutch (15) upper end is ladder cylindrical drum structure, the lower end is for connecting base (18), and on connection base (18), have manhole optoelectronic switch installing hole (17), optoelectronic switch is installed in optoelectronic switch installing hole (17), the track of slide block (19) and line slideway (14) upper end is complementary, and with to be connected base (18) fixedly connected.
3. a kind of square steam generator eyelet flushing rigidity body refuse rifle according to claim 1, it is characterized in that: upper end, described guide plate (3) middle part is connected with platy structure gripper shoe (4), and a side is fixed with steel wire rope (5) in the upper end of gripper shoe (4), steel wire rope (5) passes the annular stop ring (6) that is fixed on gripper shoe (4) the right side guide plate (3), extends between adaptive flange A (8) and the adaptive flange B (9) always.
4. a kind of square steam generator eyelet flushing rigidity body refuse rifle according to claim 1, it is characterized in that: the internal diameter of described gun barrel (1) is Ф 4mm, the internal diameter of rifle mouth (2) is Ф 3mm.
5. a kind of square steam generator eyelet flushing rigidity body refuse rifle according to claim 1, it is characterized in that: the model of described three oscillating cylinders (11) is: FESTO DRQD-25-180-YSRJ-A-FW-Z1-B.
6. a kind of square steam generator eyelet flushing rigidity body refuse rifle according to claim 1, it is characterized in that: the model of described straight line cylinder (12) is: FESTO SLT-10-40-A-CC-B.
7. a kind of square steam generator eyelet flushing rigidity body refuse rifle according to claim 1, it is characterized in that: the model of described gun barrel gas pawl (13) is: FESTO HGPT-25-A, and on the gas finger of gun barrel gas pawl (13), be fixed with rubber layer.
8. a kind of square steam generator eyelet flushing rigidity body refuse rifle according to claim 1, it is characterized in that: the right side of described adaptive flange B (9) is fixed with pointer (16), and the end of pointer (16) is near gun barrel (1), the step distance of verification gun barrel (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020638750 CN201930879U (en) | 2010-12-02 | 2010-12-02 | Square steam generator eyelet flushing rigid sludge gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020638750 CN201930879U (en) | 2010-12-02 | 2010-12-02 | Square steam generator eyelet flushing rigid sludge gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201930879U true CN201930879U (en) | 2011-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020638750 Expired - Lifetime CN201930879U (en) | 2010-12-02 | 2010-12-02 | Square steam generator eyelet flushing rigid sludge gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201930879U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103861830A (en) * | 2012-12-17 | 2014-06-18 | 核动力运行研究所 | Sludge washing gun with multi-nozzle structure |
| CN105805253A (en) * | 2014-12-30 | 2016-07-27 | 中核武汉核电运行技术股份有限公司 | Double-shaft swinging speed reducer suitable for sludge washing equipment |
| CN106513389A (en) * | 2016-05-12 | 2017-03-22 | 苏州热工研究院有限公司 | Cleaning device for steam generator and cleaning method |
| CN107175228A (en) * | 2016-03-10 | 2017-09-19 | 核动力运行研究所 | Steam generator secondary side the first supporting plate lower surface hydrodynamic cleaning guider |
| CN107175227A (en) * | 2016-03-10 | 2017-09-19 | 核动力运行研究所 | Steam generator secondary side the first supporting plate lower surface hydrodynamic cleaning device |
-
2010
- 2010-12-02 CN CN 201020638750 patent/CN201930879U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103861830A (en) * | 2012-12-17 | 2014-06-18 | 核动力运行研究所 | Sludge washing gun with multi-nozzle structure |
| CN103861830B (en) * | 2012-12-17 | 2016-08-03 | 核动力运行研究所 | A kind of body refuse sluice gun of multiinjector structure |
| CN105805253A (en) * | 2014-12-30 | 2016-07-27 | 中核武汉核电运行技术股份有限公司 | Double-shaft swinging speed reducer suitable for sludge washing equipment |
| CN105805253B (en) * | 2014-12-30 | 2018-02-13 | 中核武汉核电运行技术股份有限公司 | A kind of dual-axis swing decelerator suitable for body refuse flushing device |
| CN107175228A (en) * | 2016-03-10 | 2017-09-19 | 核动力运行研究所 | Steam generator secondary side the first supporting plate lower surface hydrodynamic cleaning guider |
| CN107175227A (en) * | 2016-03-10 | 2017-09-19 | 核动力运行研究所 | Steam generator secondary side the first supporting plate lower surface hydrodynamic cleaning device |
| CN106513389A (en) * | 2016-05-12 | 2017-03-22 | 苏州热工研究院有限公司 | Cleaning device for steam generator and cleaning method |
| CN106513389B (en) * | 2016-05-12 | 2019-03-26 | 苏州热工研究院有限公司 | A kind of cleaning device and cleaning method of steam generator |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110817 |