CN207997251U - A kind of annular tubesheet positioning device - Google Patents
A kind of annular tubesheet positioning device Download PDFInfo
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- CN207997251U CN207997251U CN201721863270.0U CN201721863270U CN207997251U CN 207997251 U CN207997251 U CN 207997251U CN 201721863270 U CN201721863270 U CN 201721863270U CN 207997251 U CN207997251 U CN 207997251U
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Abstract
The utility model is related to annular tubesheet fabric switch device heat-transfer pipe technical field of nondestructive testing, specifically disclose a kind of annular tubesheet positioning device.Foot component and base assembly are installed on slide track component in the device, and foot component can be driven to be moved along slide track component by sled drive mechanism, probe door positioning component is installed in foot component, it is alternately grasped on annular tubesheet by foot component and base assembly, it realizes the running fix of whole device, and realizes the localization examination to predetermined heat exchanger tube nozzle using probe door positioning component.The device automatically walk and is positioned by ring flat-plate positioning device on annular tubesheet, instead of the manual positioning of current mainstream, is significantly reduced the labor intensity of people, is improved the efficiency and accuracy of inspection;Using the arc sliding consistent with annular tubesheet, location efficiency is greatlyd improve, realizes the quick positioning of probe;Meanwhile 180 degree rotation can be achieved in door of popping one's head in, to promote the inspection coverage area for positioning device of creeping.
Description
Technical field
The invention belongs to annular tubesheet fabric switch device heat-transfer pipe technical field of nondestructive testing, and in particular to a kind of ring pipe
Plate positioning device.
Background technology
The heat exchanger of annular tubesheet structure in chemical industry and nuclear power field using a lot of, since the heat exchanger heat exchanger tube is normal
Year in high temperature, high pressure, wall it is thin under conditions of (generally logical liquid water or liquid metal on the inside of heat exchanger tube are on the outside of heat exchanger tube
Air), therefore heat pipe is exchanged by lossless detection method and carries out preventative maintenance operation, it is that availability carries heat exchanger tube in operation
For reference, it is ensured that the safe and reliable operation of heat exchanger.The metallicity for exchanging heat pipe examines side more fast and reliable at present
Method is exactly eddy-current test.
Certain annular tubesheet heat exchanger is vertical structure, and heat exchanger tube is distributed in the outside of internal heat exchanger in spoon shape, changes
The upper end of heat pipe is mounted on the outside cambered surface of upper collecting chamber, and the lower end of heat exchanger tube is mounted on the top of lower header, these heat exchanger tubes are in
Circular distribution is on annular tubesheet;Currently, there are mainly three types of creeping-type positioning devices both domestic and external:1, US Westinghouse company
Pegasys positioning devices;2, the ZR100 series probe locating devices of ZETEC companies exploitation;3, Spain TECNATOM companies
It creeps positioning device.These three positioning devices are only applicable to Guan Weiwei equilateral triangles or the tube sheet of square profile, domestic at present
The related application situation of outer annular tubesheet positioning device not yet.
Invention content
The purpose of the present invention is to provide a kind of annular plate positioning devices, it can be achieved that annular tubesheet heat exchanger heat exchanger tube
Carry out high efficiency, high-precision eddy current inspection.
Technical scheme is as follows:It is a kind of annular plate positioning device, the device include foot component, base assembly,
Slide track component, sled drive mechanism and probe door positioning component, wherein foot component and base assembly are installed in slide rail group
On part, and foot component can be driven to be moved along slide track component by sled drive mechanism, probe door is installed in foot component
Positioning component is alternately grasped on annular tubesheet by foot component and base assembly, realizes the running fix of whole device, and
The localization examination to predetermined heat exchanger tube nozzle is realized using probe door positioning component.
The foot component includes foot A, foot B and foot linear gear rack sliding rail, wherein foot A and foot B is solid
Dingan County is mounted in the both ends of foot linear gear rack sliding rail, and probe door positioning component is equipped on foot linear gear rack sliding rail;Institute
The foot A and foot B stated can realize grasping, release, insertion, contractive action by pneumatic mode on heat exchanger tube.
The probe door positioning component includes probe door electric rotating machine, probe pilot hole, probe door bracket and V-type axis
Hold sliding block, wherein V-type bearing slider is mounted on foot linear gear rack sliding rail, and is installed respectively in the both sides of V-type bearing slider
There are probe door sliding motor and probe door electric rotating machine, door sliding motor can drive V-type bearing slider along foot by popping one's head in
Linear gear rack sliding rail slides;Probe door bracket is installed on the output shaft of probe door electric rotating machine, and on probe door bracket
Probe pilot hole and monitoring camera is installed, probe door bracket and pilot hole thereon can be driven using probe door electric rotating machine
It is swung with monitoring camera.
The base assembly includes that pedestal A, pedestal B and pedestal fix guide rail, and the pedestal A and pedestal B are fixed
Guide rail both ends are fixed in pedestal, form the structure similar with foot component;Wherein, the pedestal A, pedestal B and foot A,
Foot B structure is similar, can realize grasping, release, insertion, contractive action on heat exchanger tube by pneumatic mode.
The slide assemblies include arc list along rack sliding rail and arc V-type sliding rail, wherein in the foot component
Foot A and foot B is separately mounted to the arc list along rack sliding rail and arc V-type sliding rail;In the base assembly
Pedestal A and pedestal B is separately mounted to the arc list along rack sliding rail and arc V-type sliding rail;The arc list is along rack
Sliding rail top is provided with V-type slideway by having rack, lower part;The side of foot A is equipped with foot sliding motor, passes through foot sliding motor
It can drive foot component is arcuately single to be moved along rack sliding rail and arc V-type sliding rail.
The arc list is cased with V-type bearing along rack sliding rail, wherein the transmission gear engagement matching in V-type bearing
Mounted on arc list along the rack on rack sliding rail, and the sliding motor by being connected with transmission gear provides V-type bearing and moves
Dynamic power;The V-type idler wheel of V-type bearing lower end is fastened on arc list along the V-type slideway of rack sliding rail lower end, realizes V-type axis
It holds the entirety with arc list along rack sliding rail and engages matching.
A kind of annular plate positioning device localization method, this method specifically comprise the following steps:
Positioning device is mounted on annular tubesheet, and ensures that foot A and foot B, pedestal A and pedestal B locate by step 1
In insertion and grasping state;
Step 2, control foot A and foot B unclamp heat exchanger tube and shrink outside pore, under the effect of foot sliding motor,
Foot component is arcuately single to be moved along rack sliding rail and arc V-type sliding rail, when foot component moves to predetermined heat exchanger tube position,
Control foot A and foot B is inserted into heat exchanger tube pore and implements grasping action;
Step 3, control pedestal A and pedestal B unclamp heat exchanger tube and shrink outside pore, under the effect of foot sliding motor,
Base assembly is arcuately single to be moved along rack sliding rail and arc V-type sliding rail, when base assembly moves to predetermined heat exchanger tube position,
Control pedestal A and pedestal B is inserted into heat exchanger tube pore and implements grasping action;
Step 4 repeats step 2 and step 3, realizes positioning device crawling exercises in entire arc tube sheet;
Step 5, when foot component and base assembly move to predetermined heat exchanger tube position, sliding motor is controllable entire
Probe door positioning component is moved along foot linear gear rack sliding rail, realizes that probe pilot hole is directed at predetermined heat exchanger tube nozzle, to real
Apply the eddy current inspection of tested heat exchanger tube.
The step 5 further includes following steps:
Step 6, when there is small deviation in pop one's head in pilot hole and heat exchanger tube pore, door electric rotating machine realization of popping one's head in can be passed through
180 ° of rotary fine adjustment sections, realize being accurately positioned for pore;Monitoring camera can monitoring probe pilot hole whether with heat exchanger tube pore
Alignment, and auxiliary light can be installed.
The remarkable result of the present invention is:A kind of annular plate positioning device of the present invention, is positioned by ring flat-plate and is filled
It sets the automatically walk on annular tubesheet and positions, instead of the manual positioning of current mainstream, significantly reduce the labor intensity of people,
Improve the efficiency and accuracy of inspection;Using the arc sliding consistent with annular tubesheet, location efficiency is greatlyd improve, is realized
The quick positioning of probe;Meanwhile 180 degree rotation can be achieved in door of popping one's head in, to promote the inspection coverage area for positioning device of creeping.
Description of the drawings
Fig. 1 is a kind of annular slab positioning device structure schematic diagram of the present invention;
Fig. 2 is arc-shaped rack track drive mechanism structural schematic diagram in Fig. 1;
Fig. 3 is door positioning component structural schematic diagram of popping one's head in Fig. 1;
In figure:1, pedestal A;2, arc list is along rack sliding rail;3, foot A;4, foot sliding motor;5, probe door electric rotating
Machine;6, probe pilot hole;7, probe door bracket;8, probe door sliding motor;9, foot linear gear rack sliding rail;10, foot B;11,
Arc V-type sliding rail;12, pedestal B;13, pedestal fixes guide rail;14, V-type bearing;15, transmission gear;16, V-type idler wheel;17, V-type
Bearing slider;18, monitoring camera.
Specific implementation mode
Below in conjunction with the accompanying drawings and specific embodiment invention is further described in detail.
As shown in Figures 1 to 3, a kind of annular plate positioning device, including foot component, base assembly, slide track component, sliding rail drive
Motivation structure and probe door positioning component, wherein foot component and base assembly are mounted on slide track component, and can pass through sliding rail
Driving mechanism driving foot component is moved along slide track component, and foot component includes foot A3, foot B10 and foot linear gear rack
Sliding rail 9, wherein foot A3 and foot B10 is fixedly mounted on the both ends of foot linear gear rack sliding rail 9, and in foot linear gear rack
Probe door positioning component is installed on sliding rail 9, the probe door positioning component include probe door electric rotating machine 5, probe pilot hole 6,
Probe door bracket 7 and V-type bearing slider 17, wherein V-type bearing slider 17 is mounted on foot linear gear rack sliding rail 9, and
The both sides of V-type bearing slider 17 are separately installed with probe door sliding motor 8 and probe door electric rotating machine 5, pass through door sliding of popping one's head in
Motor 8 can drive V-type bearing slider 17 to be slided along foot linear gear rack sliding rail 9;On the output shaft of probe door electric rotating machine 5
Probe door bracket 7 is installed, and probe pilot hole 6 and monitoring camera 18 are installed on probe door bracket 7, utilizes probe door
Electric rotating machine 5 can drive probe door bracket 7 and pilot hole 6 thereon and monitoring camera 18 to be swung;Base assembly includes
Pedestal A1, pedestal B12 and pedestal fix guide rail 13, wherein and pedestal A1, pedestal B12 are similar with foot A3, foot B10 structures,
Grasping can be realized by pneumatic mode, unclamps, be inserted into, contractive action, and pedestal A1 and pedestal B12 are fixed on pedestal fixation and lead
13 both ends of rail, and pedestal A1 and pedestal B12 are separately mounted to the arc list in sled drive mechanism along rack sliding rail 2 and arc V
On type sliding rail 11, pedestal A1 and pedestal B12 is made to be moved along rack sliding rail 2 and arc V-type sliding rail 11 in arc list as a whole;
Foot A3 and foot B10 in foot component are separately mounted to arc list along rack sliding rail 2 and arc V-type sliding rail 11, and
The side of foot A3 is equipped with foot sliding motor 4, the output shaft of foot sliding motor 4 with mounted on arc list along rack sliding rail
V-type bearing 14 on 2 is connected, wherein V-type bearing 14 includes transmission gear 15 and V-type idler wheel 16, the engagement peace of transmission gear 15
Mounted in arc list along the rack on rack sliding rail 2, V-type idler wheel 16 is fastened on V-type slideway of the arc list along 2 lower end of rack sliding rail
In, drive V-type bearing 14 is arcuately single to be moved along rack sliding rail 2 by foot sliding motor 4, to drive foot component whole
It is moved along rack sliding rail 2 and arc V-type sliding rail 11 along arc list.
A kind of annular plate positioning device specific work process of the present invention is:
Positioning device is mounted on annular tubesheet, and ensures that foot A and foot B, pedestal A and pedestal B locate by step 1
In insertion and grasping state;
Step 2, control foot A and foot B unclamp heat exchanger tube and shrink outside pore, under the effect of foot sliding motor,
Foot component is arcuately single to be moved along rack sliding rail and arc V-type sliding rail, when foot component moves to predetermined heat exchanger tube position,
Control foot A and foot B is inserted into heat exchanger tube pore and implements grasping action;
Step 3, control pedestal A and pedestal B unclamp heat exchanger tube and shrink outside pore, under the effect of foot sliding motor,
Base assembly is arcuately single to be moved along rack sliding rail and arc V-type sliding rail, when base assembly moves to predetermined heat exchanger tube position,
Control pedestal A and pedestal B is inserted into heat exchanger tube pore and implements grasping action;
Step 4 repeats step 2 and step 3, realizes positioning device crawling exercises in entire arc tube sheet;
Step 5, when foot component and base assembly move to predetermined heat exchanger tube position, sliding motor is controllable entire
Probe door positioning component is moved along foot linear gear rack sliding rail, realizes that probe pilot hole is directed at predetermined heat exchanger tube nozzle, to real
Apply the eddy current inspection of tested heat exchanger tube;
Step 6, when there is small deviation in pop one's head in pilot hole and heat exchanger tube pore, door electric rotating machine realization of popping one's head in can be passed through
180 ° of rotary fine adjustment sections, realize being accurately positioned for pore;Monitoring camera can monitoring probe pilot hole whether with heat exchanger tube pore
Alignment, and auxiliary light can be installed.
Claims (6)
1. a kind of annular tubesheet positioning device, it is characterised in that:The device includes foot component, base assembly, slide track component, cunning
Rail driving mechanism and probe door positioning component, wherein foot component and base assembly are installed on slide track component, and can be led to
It crosses sled drive mechanism driving foot component to move along slide track component, probe door positioning component is installed in foot component, is led to
It crosses foot component and base assembly alternately to grasp on annular tubesheet, realizes the running fix of whole device, and utilize probe door
Positioning component realizes the localization examination to predetermined heat exchanger tube nozzle.
2. a kind of annular tubesheet positioning device according to claim 1, it is characterised in that:The foot component includes foot
Portion A (3), foot B (10) and foot linear gear rack sliding rail (9), wherein foot A (3) and foot B (10) are fixedly mounted on foot
The both ends of portion's linear gear rack sliding rail (9), and probe door positioning component is installed on foot linear gear rack sliding rail (9);Described
Foot A (3) and foot B (10) can realize grasping, release, insertion, contractive action by pneumatic mode on heat exchanger tube.
3. a kind of annular tubesheet positioning device according to claim 1 or 2, it is characterised in that:The probe door positioning
Component includes probe door electric rotating machine (5), probe pilot hole (6), probe door bracket (7) and V-type bearing slider (17),
In, V-type bearing slider (17) is mounted on foot linear gear rack sliding rail (9), and is pacified respectively in the both sides of V-type bearing slider (17)
Equipped with probe door sliding motor (8) and probe door electric rotating machine (5), by popping one's head in, door sliding motor (8) can drive V-type bearing to slide
Block (17) is slided along foot linear gear rack sliding rail (9);Probe door branch is installed on the output shaft of probe door electric rotating machine (5)
Frame (7), and probe pilot hole (6) and monitoring camera (18) are installed on probe door bracket (7), utilize probe door electric rotating
Machine (5) can drive probe door bracket (7) and pilot hole (6) thereon and monitoring camera (18) to be swung.
4. a kind of annular tubesheet positioning device according to claim 1, it is characterised in that:The base assembly includes base
Seat A (1), pedestal B (12) and pedestal fix guide rail (13), and the pedestal A (1) and pedestal B (12) are fixed on pedestal and fix
Guide rail (13) both ends form the structure similar with foot component;Wherein, the pedestal A (1), pedestal B (12) and foot A
(3), foot B (10) structure is similar, can realize grasping, release, insertion, contractive action on heat exchanger tube by pneumatic mode.
5. a kind of annular tubesheet positioning device according to claim 1, it is characterised in that:The slide track component includes arc
Shape list is along rack sliding rail (2) and arc V-type sliding rail (11), wherein foot A (3) and foot B (10) points in the foot component
Not An Zhuan the arc list along rack sliding rail (2) and arc V-type sliding rail (11);Pedestal A (1) in the base assembly
The arc list is separately mounted to along rack sliding rail (2) and arc V-type sliding rail (11) with pedestal B (12);The arc list
Along rack sliding rail (2) top by thering is rack, lower part to be provided with V-type slideway;The side of foot A (3) is equipped with foot sliding motor (4),
Foot component can be driven arcuately single mobile along rack sliding rail (2) and arc V-type sliding rail (11) by foot sliding motor (4).
6. a kind of annular tubesheet positioning device according to claim 5, it is characterised in that:The arc list is slided along rack
V-type bearing (14) is cased on rail (2), wherein the transmission gear (15) in V-type bearing (14) engages Matching installation on arc list edge
On rack on rack sliding rail (2), and the sliding motor (4) by being connected with transmission gear (15) provides V-type bearing (14) and moves
Dynamic power;The V-type idler wheel (16) of V-type bearing (14) lower end is fastened on V-type slideway of the arc list along rack sliding rail (2) lower end
In, realize that entirety of the V-type bearing (14) with arc list along rack sliding rail (2) engages matching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721863270.0U CN207997251U (en) | 2017-12-27 | 2017-12-27 | A kind of annular tubesheet positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721863270.0U CN207997251U (en) | 2017-12-27 | 2017-12-27 | A kind of annular tubesheet positioning device |
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| Publication Number | Publication Date |
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| CN207997251U true CN207997251U (en) | 2018-10-23 |
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| CN201721863270.0U Active CN207997251U (en) | 2017-12-27 | 2017-12-27 | A kind of annular tubesheet positioning device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109968230A (en) * | 2017-12-27 | 2019-07-05 | 核动力运行研究所 | A kind of annular tubesheet positioning device |
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2017
- 2017-12-27 CN CN201721863270.0U patent/CN207997251U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109968230A (en) * | 2017-12-27 | 2019-07-05 | 核动力运行研究所 | A kind of annular tubesheet positioning device |
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