CN115265932A - Transformer radiator monolithic testing arrangement - Google Patents
Transformer radiator monolithic testing arrangement Download PDFInfo
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- CN115265932A CN115265932A CN202211180676.4A CN202211180676A CN115265932A CN 115265932 A CN115265932 A CN 115265932A CN 202211180676 A CN202211180676 A CN 202211180676A CN 115265932 A CN115265932 A CN 115265932A
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- 238000012360 testing method Methods 0.000 title claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 238000000576 coating method Methods 0.000 claims abstract description 14
- 238000001514 detection method Methods 0.000 claims abstract description 13
- 239000011248 coating agent Substances 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims description 22
- 230000008569 process Effects 0.000 claims description 18
- 210000005056 cell body Anatomy 0.000 claims description 14
- 230000017525 heat dissipation Effects 0.000 claims description 13
- 230000009471 action Effects 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 5
- 125000003003 spiro group Chemical group 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 abstract description 4
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 210000001847 jaw Anatomy 0.000 description 13
- 239000000463 material Substances 0.000 description 3
- 210000003781 tooth socket Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000011895 specific detection Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/06—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool
- G01M3/10—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for containers, e.g. radiators
- G01M3/106—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for containers, e.g. radiators for radiators
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention is suitable for the technical field of testing of a transformer radiator and provides a testing device for a single radiator of a transformer. The concrete detection is realized through the shooting subassembly that is driven by the electronic screw rod of second and carries out the displacement, and the shooting subassembly is gone into the water to the radiator monolithic and is taken the circumstances of week rotation before, still shoots the circumstances of aquatic when week rotation after going into the water, and then carries out full-automatic analysis and judgement through remote control equipment, and the outer wall coating integrality of radiator monolithic detects and the gas tightness detects the synchronous detection that combines together, realizes that same equipment carries out synchronous operation to two works.
Description
Technical Field
The invention belongs to the technical field of testing of transformer radiators, and particularly relates to a single-chip testing device for a transformer radiator.
Background
The radiator used by the transformer consists of a large number of independent radiating fins, the radiating fins are of hollow plate-shaped structures, and a plurality of radiating fins are assembled into the radiator. In order to ensure the quality of the assembled radiator, before the radiating fins are assembled, the independent radiating fins need to be pressed for leakage test, so that the quality of the independent radiating fins can be ensured, the overall quality of the radiator is further ensured, and the trouble that the radiating fins need to be disassembled again for maintenance when the radiating fins are found to be in problem after the radiator is assembled is avoided.
The patent number is as follows: 202123274690.4 a transformer radiator monolithic leak test device, place the radiator monolithic on the locating lever, fix a position the radiator monolithic by the pressure head, carry out the top tight by the clamp head to the radiator monolithic again, control the pressure head by the positioning cylinder and carry out the experiment of suppressing to the radiator monolithic, control the radiator monolithic by the air cylinder of pushing down and push down to the basin in at last, let the radiator monolithic fully immerse in the water, observe the radiator monolithic and have the place of leaking, accomplish the test leak test to the radiator monolithic. Above-mentioned mode is through artifical direct to the radiator monolithic whether leak the observation of soaking, whether mainly observe the bubble and produce, judge whether leak, the artifical long-time observation is tired easily appearing, and then lead to the easy condition of lou examining that appears, the radiator monolithic has all smeared the heat dissipation coating on its surface for better heat dissipation simultaneously, still need observe this heat dissipation coating's integrality, consequently need one kind and can carry out the test equipment that the gas tightness detected and the heat dissipation coating integrality all detected to the radiator monolithic urgently.
Disclosure of Invention
The invention provides a single-chip testing device for a transformer radiator, and aims to solve the problems in the background technology.
The invention is realized in such a way that a single sheet testing device of a transformer radiator comprises a tank body, wherein a clamping assembly used for clamping the single sheet of the radiator is arranged in the tank body, the clamping assembly vertically arranges a first electric screw rod to act in the tank body to perform lifting motion and is used for sending the single sheet of the radiator into water to perform air tightness detection, and the clamping assembly continuously rotates and turns over in the lifting process under the matching action of a gear and a tooth socket; the cell body top is provided with shoots the subassembly, be used for right whether damage of radiator monolithic outer wall heat dissipation coating is shot and to the gas tightness testing process of radiator monolithic in aqueous shoots, it is driven along by the electronic screw rod of second to shoot the subassembly cell body lateral shifting, this electronic screw rod of second still drives the apron of cell body with shoot subassembly synchronous motion, be used for opening cell body below space.
Preferably, the centre gripping subassembly includes the framework, horizontal first spacing groove has been seted up to one of them inside wall of framework, is provided with first electronic double-end lead screw in this first spacing groove, and the both ends of this first electronic double-end lead screw spiro union respectively are provided with an electronic clamping jaw, this electronic clamping jaw along first spacing groove removes.
Preferably, a vertical groove is formed in the inner wall of one side of the groove body, the first electric screw is arranged in the vertical groove, a sliding seat sliding along the vertical groove is connected to the first electric screw in a threaded mode, and the sliding seat is rotatably connected to one side face of the frame body through a rotating shaft.
Preferably, the tooth groove is formed in the inner wall of the other side of the groove body, the gear is rotatably arranged in the tooth groove, and the gear is fixedly connected to the other side face of the frame body through a connecting rod.
Preferably, the electric clamping jaw comprises a clamping seat, a vertical second limiting groove is formed in the outer side wall of the clamping seat, a second electric double-end lead screw is arranged in the second limiting groove, two ends of the second electric double-end lead screw are respectively screwed with a clamping plate, and the upper clamping plate and the lower clamping plate are respectively clamped on the upper side and the lower side of two ends of the radiator single sheet.
Preferably, a sliding groove is formed in the upper end face of the groove body, a second electric screw is arranged in the sliding groove, a sliding seat is arranged in the sliding groove in a sliding mode, and the sliding seat is driven by the second electric screw in a threaded mode.
Preferably, the sliding seat is L-shaped, the shooting assembly is installed on the sliding seat, and the shooting position of the shooting assembly is the midpoint of the groove body in a top view state.
Preferably, a slot is formed in the position, close to the upper half part, of the tank body, the cover plate is inserted into the slot in a sliding mode and fixed with the sliding seat through a bending plate, and water is contained in the lower half part in the tank body.
Compared with the prior art, the invention has the beneficial effects that: according to the transformer radiator single chip testing device, the radiator single chip is positioned, clamped and fixed by the full-automatic clamping assembly, then the clamping assembly and the radiator single chip are driven to descend by the first electric screw, and the clamping assembly is turned over under the action of the tooth grooves and the gears in the descending process, so that the radiator single chip is turned over, and therefore all-round shooting and recording can be carried out on the radiator single chip.
(2) The first electric screw drives the clamping component and the radiator single chip to lift, two environments in water and on the water surface are switched, the radiator single chip is used for clamping and mounting on the water surface and detecting whether the external heat dissipation coating of the radiator single chip is damaged, and the radiator single chip is used for detecting the air tightness of an oil duct in the radiator single chip in water. The concrete detection is realized through the shooting subassembly that is driven by the electronic screw rod of second and carries out the displacement, shoots the subassembly and goes into the water before the circumstances of week rotation to the radiator monolithic and shoot, still shoots the circumstances of aquatic when week rotation after going into the water, and then carries out full-automatic analysis and judgement through remote control equipment, avoids the error that manual operation produced.
(3) The integrity detection and the air tightness detection of the outer wall coating of the single radiator sheet are combined to realize synchronous operation of two works by the same equipment, the work efficiency is improved, the full-automatic manual operation is not needed, and the reduction of the number of the work pieces is realized
The possibility of errors and mistakes is avoided, the fatigue caused by long-time work of workers is avoided, and the workers are liberated.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 isbase:Sub>A schematic view of the cross-sectional structure taken along the line A-A in FIG. 2;
FIG. 4 is a schematic view of a cross-sectional view taken along line B-B in FIG. 2;
FIG. 5 is a schematic view of the cross-sectional structure along the line C-C in FIG. 2;
FIG. 6 is a schematic view of the cross-sectional structure along the direction D-D in FIG. 2;
in the figure:
1. a trough body; 11. a vertical slot; 12. a tooth socket; 13. a sliding groove; 14. inserting slots;
2. a single heat sink sheet;
3. a clamping assembly; 31. a frame body; 32. a first electric double-end lead screw; 33. an electric clamping jaw; 331. a holder; 332. a second limit groove; 333. a second electric double-end lead screw; 334. a splint; 34. a first limit groove; 35. a slide base; 36. a rotating shaft; 37. a connecting rod; 38. a gear;
4. a first electric screw;
5. a second electric screw;
6. a shooting component;
7. a cover plate;
8. a sliding seat;
9. and (7) bending the plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
Referring to fig. 1-6, the present invention provides a technical solution:
a transformer radiator single-chip testing device comprises a groove body 1, wherein a clamping assembly 3 used for clamping a radiator single chip 2 is arranged in the groove body 1, the clamping assembly 3 vertically arranges a first electric screw 4 to act in the groove body 1 to perform lifting motion and is used for sending the radiator single chip 2 into water to perform air tightness detection, and the clamping assembly 3 continuously rotates and turns over in the lifting process under the matching action of a gear 38 and a tooth groove 12; the top of the tank body 1 is provided with a shooting component 6, which is used for shooting whether the heat dissipation coating on the outer wall of the radiator single sheet 2 is damaged or not and shooting the air tightness detection process of the radiator single sheet 2 in water, the shooting component 6 is driven by a second electric screw 5 to move along the tank body 1, and the second electric screw 5 also drives the cover plate 7 of the tank body 1 to move synchronously with the shooting component 6, so as to open the space below the tank body 1.
In the embodiment, the radiator single chip 2 is positioned, clamped and fixed by the fully-automatic clamping component 3, then the clamping component 3 and the radiator single chip 2 are driven to descend by the first electric screw 4, the clamping component 3 overturns under the action of the tooth grooves 12 and the gears 38 in the descending process, the radiator single chip 2 is overturned, so that the radiator single chip 2 can be shot and recorded in a circle all-around mode, the first electric screw 4 drives the clamping component 3 and the radiator single chip 2 to ascend and descend, two environments in water and on the water surface are switched, the radiator single chip 2 is used for clamping installation on the water surface and detecting whether an outer surface heat dissipation coating of the radiator single chip is damaged, the radiator single chip 2 is used for detecting the air tightness of an inner oil duct of the radiator single chip 2 in the water, specific detection is realized by the shooting component 6 which is driven by the second electric screw 5 to displace, the shooting component 6 shoots the rotation condition of the radiator single chip 2 before entering the water, the condition of the water in the water when the radiator single chip 2 rotates is shot, and further, full-automatic analysis and judgment are carried out by remote control equipment, and errors caused by manual operation are avoided.
Further, the method comprises the following steps of; the clamping assembly 3 includes a frame 31, a first horizontal limiting groove 34 is provided on one of the inner side walls of the frame 31, a first electric double-headed screw 32 is provided in the first limiting groove 34, two ends of the first electric double-headed screw 32 are respectively screwed with an electric clamping jaw 33, and the electric clamping jaw 33 moves along the first limiting groove 34. The electric clamping jaw 33 comprises a clamping seat 331, a vertical second limiting groove 332 is formed in the outer side wall of the clamping seat 331, a second electric double-end lead screw 333 is arranged in the second limiting groove 332, two ends of the second electric double-end lead screw 333 are respectively screwed with a clamping plate 334, and the upper clamping plate 334 and the lower clamping plate 334 are respectively clamped at the upper side and the lower side of two ends of the single radiator sheet 2.
The specific working process of the clamping assembly 3 is to place the radiator single-piece 2 between the two clamping plates 334 of the electric clamping jaw 33, then start the first electric double-end screw 32 thereof to drive the two electric clamping jaws 33 to fold in until the two electric clamping jaws 33 are respectively located at the two ends of the radiator single-piece 2, then start the second electric double-end screw 333 to fold in the two clamping plates 334, and position, clamp and fix the radiator single-piece 2.
Further, the method comprises the following steps of; the inner wall of one side of the groove body 1 is provided with a vertical groove 11, a first electric screw 4 is arranged in the vertical groove 11, the first electric screw 4 is screwed with a sliding seat 35 sliding along the vertical groove 11, and the sliding seat 35 is rotatably connected to one side surface of the frame body 31 through a rotating shaft 36. The inner wall of the other side of the trough body 1 is provided with a tooth groove 12, a gear 38 is rotationally arranged in the tooth groove 12, and the gear 38 is fixedly connected to the other side surface of the frame body 31 through a connecting rod 37.
In this embodiment, because all need detect the week to 2 outer wall heat dissipation coatings integrality of radiator monolithic and below aquatic gas tightness detection on radiator monolithic to need carry out the upset process of two at least weeks to radiator monolithic 2, a week is located on water for detect 2 outer wall heat dissipation coatings on radiator monolithic, another week is located under water, is used for detecting radiator monolithic 2 in the aquatic gas tightness. Meanwhile, the radiator single sheet 2 needs to be immersed in water for air tightness detection, so that the descending and overturning processes are combined to realize the descending and overturning conditions. The specific operation process is that the first electric screw 4 is started to drive the sliding seat 35 to descend, the sliding seat 35 drives the frame body 31 fixed with the sliding seat to descend, namely the clamping component 3 and the clamped single radiator piece 2 descend, the other side of the frame is fixedly connected with the gear 38 which is meshed with the gear in the tooth groove 12 in a rolling mode, therefore, the clamping component 3 and the single radiator piece 2 are turned over in the descending process, the shooting component 6 carries out all-dimensional shooting recording on the outer wall of the single radiator piece 2, and along with the continuous descending of the clamping component 3 and the single radiator piece 2, the single radiator piece 2 is immersed in water and slowly sinks until the single radiator piece 2 is immersed and stops descending.
Further, the method comprises the following steps of; the upper end face of the tank body 1 is provided with a sliding groove 13, a second electric screw 5 is arranged in the sliding groove 13, a sliding seat 8 is arranged in the sliding groove 13 in a sliding mode, and the sliding seat 8 is driven by the second electric screw 5 in a threaded mode. The sliding seat 8 is set to be L-shaped, the shooting assembly 6 is installed on the sliding seat 8, and the shooting position of the shooting assembly 6 is the middle point of the tank body 1 in a top view state.
In the embodiment, the shooting assembly 6 is arranged for shooting whether the heat dissipation coating on the outer wall of the single radiator sheet 2 is damaged or not and shooting the air tightness detection process of the single radiator sheet 2 in water, and transmitting the shooting result to the remote control device for subsequent processing. The initial position of shooting subassembly 6 is the extension end of sliding tray 13, can let out the space directly over the cell body 1 like this, the person of facilitating the use places centre gripping subassembly 3 department with radiator monolithic 2, avoid shooting subassembly 6 and form the hindrance to it, and radiator monolithic 2 is placing and the equal manual operation of process of taking, form the collision to the shooting subassembly 6 that lies in the cell body 1 midpoint department easily, cause its to damage, thereby such setting can avoid these not good circumstances.
Further, the method comprises the following steps of; the upper end face of the tank body 1 is provided with a sliding groove 13, a second electric screw 5 is arranged in the sliding groove 13, a sliding seat 8 is arranged in the sliding groove 13 in a sliding manner, and the sliding seat 8 is driven by the second electric screw 5 in a threaded manner. A slot 14 is arranged at the upper half part of the tank body 1, a cover plate 7 is inserted in the slot 14 in a sliding way, the cover plate 7 is fixed with the sliding seat 8 through a bending plate 9, and water is contained in the lower half part in the tank body 1.
In this embodiment, the lower half splendid attire water of cell body 1 is used for radiator monolithic 2 submergence wherein, carries out the gas tightness and detects, because the lower half splendid attire of cell body 1 has water to need be provided with the lid in the top of cell body 1 lower half, seal the lower half, avoid when centre gripping subassembly 3 carries out the centre gripping to radiator monolithic 2, the operation carelessly leads to radiator monolithic 2 to fall into the aquatic, the inconvenient trouble of fishing for. During normal use, the second electric screw 5 rotates to drive the sliding seat 8 to move along the sliding groove 13, the sliding seat 8 and the shooting component 6 which are positioned at the extension section are moved to the middle point of the tank body 1, and meanwhile, the sliding seat 8 drives the cover plate 7 fixedly connected with the sliding seat to move along the slot 14 through the bending plate 9, so that the space below the tank body 1 is opened.
The working principle and the using process of the invention are as follows: in the initial state, the cover plate 7 seals the lower half part of the tank body 1, a tester seals two ends of the single radiator sheet 2 by adopting special rubber stoppers, then the single radiator sheet 2 is placed between two clamping plates 334 of the electric clamping jaws 33, then the first electric double-end lead screw 32 is started to drive the two electric clamping jaws 33 to fold until the two electric clamping jaws 33 are respectively positioned at two ends of the single radiator sheet 2, then the second electric double-end lead screw 333 is started to fold the two clamping plates 334 to position, clamp and fix the single radiator sheet 2, then the second electric screw 5 is started to drive the sliding seat 8 to move, the cover plate 7 is moved away to open the lower half part of the tank body 1, meanwhile, the shooting component 6 is moved to the middle point above the tank body 1, the shooting component 6 is started to shoot and record, then the first electric screw 4 is started to drive the sliding seat 35 to descend, and the sliding seat 35 drives the frame body 31 fixed with the sliding seat to descend, namely, the clamping component 3 and the clamped radiator single chip 2 descend, the other side of the frame is fixedly connected with a gear 38 which is meshed with and rolls in the tooth grooves 12, so that the clamping component 3 and the radiator single chip 2 also turn over in the descending process, the shooting component 6 carries out omnibearing shooting record on the outer wall of the radiator single chip 2, along with the continuous descending of the clamping component 3 and the radiator single chip 2, the radiator single chip 2 is immersed in water and slowly descends until being immersed, meanwhile, the shooting component 6 shoots the whole process that the radiator single chip 2 is immersed in water and keeps static state in water, then the shooting component 6 sends the shot data information to the remote control equipment, the control equipment carries out primary screening through a full-automatic detection system and then cooperates with manpower to carry out observation and recheck on shot materials, and finally, judging whether the heat dissipation coating on the outer wall of the single radiator sheet 2 is damaged or not and whether the air tightness of the single radiator sheet 2 is normal or not. Wherein full automatic check out system only need with the material of shooing with the material under the normal condition carry out the contrast judge outer wall whether damage and whether have the bubble can.
The above description is intended to be illustrative of the preferred embodiment of the present invention and should not be taken as limiting the invention, but rather, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.
Claims (8)
1. The utility model provides a transformer radiator monolithic testing arrangement which characterized in that: the device comprises a tank body (1), wherein a clamping assembly (3) used for clamping a radiator single sheet (2) is arranged in the tank body (1), the clamping assembly (3) vertically arranges a first electric screw (4) to act in the tank body (1) to perform lifting motion, and is used for conveying the radiator single sheet (2) into water to perform air tightness detection, and the clamping assembly (3) continuously rotates and turns over in the lifting process under the matching action of a gear (38) and a tooth groove (12);
cell body (1) top is provided with shoots subassembly (6), is used for right whether damage of radiator monolithic (2) outer wall heat dissipation coating is shot and to the gas tightness testing process of radiator monolithic (2) in aqueous shoots, it is driven along by second electric screw rod (5) to shoot subassembly (6) cell body (1) lateral shifting, this second electric screw rod (5) still drive apron (7) of cell body (1) with shoot subassembly (6) simultaneous movement, be used for opening cell body (1) below space.
2. The monolithic testing device for the transformer radiator of claim 1, wherein: the clamping assembly (3) comprises a frame body (31), wherein a transverse first limiting groove (34) is formed in one inner side wall of the frame body (31), a first electric double-head lead screw (32) is arranged in the first limiting groove (34), two ends of the first electric double-head lead screw (32) are respectively provided with an electric clamping jaw (33) in a threaded mode, and the electric clamping jaw (33) moves along the first limiting groove (34).
3. The monolithic testing device for the transformer radiator as claimed in claim 2, wherein: vertical groove (11) have been seted up to one side inner wall of cell body (1) wherein, and the inside of this vertical groove (11) is provided with first electric screw (4), this first electric screw (4) spiro union have along vertical groove (11) gliding slide (35), this slide (35) through pivot (36) rotate connect in a side of framework (31).
4. The monolithic testing device for the transformer radiator of claim 3, wherein: the tooth groove (12) is formed in the inner wall of the other side of the groove body (1), the gear (38) is rotatably arranged in the tooth groove (12), and the gear (38) is fixedly connected to the other side face of the frame body (31) through a connecting rod (37).
5. The monolithic testing device for the transformer radiator as claimed in claim 2, wherein: electronic clamping jaw (33) are including holder (331), vertical second spacing groove (332) have been seted up to holder (331) lateral wall, are provided with electronic double-end lead screw of second (333) in this second spacing groove (332), and the both ends of this electronic double-end lead screw of second (333) spiro union respectively have one splint (334), two from top to bottom splint (334) centre gripping respectively are in the upper and lower both sides at the both ends of monolithic radiator (2).
6. The monolithic testing device for the transformer radiator of claim 1, wherein: the upper end face of the groove body (1) is provided with a sliding groove (13), a second electric screw (5) is arranged in the sliding groove (13), a sliding seat (8) is arranged in the sliding groove (13) in a sliding mode, and the sliding seat (8) is driven by the second electric screw (5) in a threaded mode.
7. The monolithic test apparatus for transformer radiator of claim 6, wherein: the sliding seat (8) is L-shaped, the shooting assembly (6) is installed on the sliding seat (8), and the shooting position of the shooting assembly (6) is the midpoint of the tank body (1) in a top view state.
8. The monolithic test apparatus for transformer radiator of claim 6, wherein: the water tank is characterized in that a slot (14) is formed in the position, close to the upper half part, of the tank body (1), the cover plate (7) is inserted into the slot (14) in a sliding mode, the cover plate (7) is fixed with the sliding seat (8) through a bending plate (9), and the lower half part in the tank body (1) is filled with water.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211180676.4A CN115265932B (en) | 2022-09-27 | 2022-09-27 | Transformer radiator monolithic testing arrangement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211180676.4A CN115265932B (en) | 2022-09-27 | 2022-09-27 | Transformer radiator monolithic testing arrangement |
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| CN115265932A true CN115265932A (en) | 2022-11-01 |
| CN115265932B CN115265932B (en) | 2023-01-13 |
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Denomination of invention: A Single Chip Testing Device for Transformer Radiator Effective date of registration: 20231130 Granted publication date: 20230113 Pledgee: Baoding Branch of China Everbright Bank Co.,Ltd. Pledgor: HEBEI HUAFENG INDUSTRIAL GROUP CO.,LTD. Registration number: Y2023980068946 |