CN114044302B - Automatic feeding and discharging mechanism for helium detection procedure of cooling tube - Google Patents
Automatic feeding and discharging mechanism for helium detection procedure of cooling tube Download PDFInfo
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- CN114044302B CN114044302B CN202111232654.3A CN202111232654A CN114044302B CN 114044302 B CN114044302 B CN 114044302B CN 202111232654 A CN202111232654 A CN 202111232654A CN 114044302 B CN114044302 B CN 114044302B
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- helium
- alignment
- helium detection
- cooling tube
- motor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/90—Devices for picking-up and depositing articles or materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/32—Filling devices
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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
- G01M3/20—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
- G01M3/202—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material using mass spectrometer detection systems
- G01M3/205—Accessories or associated equipment; Pump constructions
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses an automatic feeding and discharging mechanism for a cooling tube helium detection procedure, which comprises a helium detection frame, wherein a first helium detection bin and a second helium detection bin are arranged on the helium detection frame side by side; a helium detection manipulator for taking and placing the cooling pipe clamp into a helium detection bin to carry out helium detection is arranged in front of the helium detection frame; a tube alignment assembly is further arranged between the helium detection frame and the helium detection conveying belt and used for pushing and aligning the cooling tube; in the helium detection process of the cooling tube, the cooling tube is automatically fed and discharged; the production efficiency is improved by replacing manual work with a machine, the product quality is improved, and the personnel safety is improved.
Description
Technical Field
The invention relates to the technical field of helium detection equipment, in particular to an automatic feeding and discharging mechanism for a cooling tube helium detection procedure.
Background
The new energy automobile battery needs to be cooled, water cooling is a mainstream cooling scheme at present, and in order to ensure product quality and safety, the sealing performance of the assembly of the water cooling pipe needs to be strictly detected and verified after the welding processing of the tail ends of the two ends of the water cooling pipe is finished. The current detection method is common in detecting air leakage by water; dry (gas) detection of air leakage; helium detects the leak.
Helium gas leakage is detected by taking helium gas as trace gas, filling the helium gas into a cooling tube in a vacuum box, and then detecting with high precision through a helium leak detector to rapidly and accurately judge the leakage condition of the cooling tube.
In the existing production process, an operator places a cooling pipe in a feeding frame of a trolley into a helium detection vacuum box, and presses a button clamp to clamp the cooling pipe; the start button vacuum box and the cooling pipe are automatically sealed, and the system automatically completes air leakage detection. At present, manual discharging, manual opening of a clamp and control of closing of a detection bin are carried out, production efficiency is low, and staff is at risk of being clamped and injured. In addition, if unqualified cooling pipes are detected, unqualified products can flow out due to careless and indiscriminate employee, and quality risks are large.
Disclosure of Invention
The invention aims to provide an automatic feeding and discharging mechanism for a cooling tube helium detection procedure, which is used for automatically feeding and discharging a cooling tube in the process of detecting the cooling tube helium; the production efficiency is improved by replacing manual work with a machine, the product quality is improved, and the personnel safety is improved.
The aim of the invention can be achieved by the following technical scheme:
the automatic feeding and discharging mechanism for the cooling tube helium detection procedure comprises a helium detection frame, wherein a first helium detection bin and a second helium detection bin are arranged on the helium detection frame side by side, a feeding conveying belt for feeding and conveying a cooling tube material frame is arranged on one side of the helium detection frame, a discharging conveying belt for discharging and conveying the cooling tube material frame is arranged on the other side of the helium detection frame, and an outlet of the feeding conveying belt is connected with an inlet of the discharging conveying belt through the helium detection conveying belt;
a helium detection manipulator for taking and placing the cooling pipe clamp into a helium detection bin to carry out helium detection is arranged in front of the helium detection frame;
and a tube alignment assembly is further arranged between the helium detection frame and the helium detection conveying belt and used for pushing and aligning the cooling tube.
As a further scheme of the invention: the helium detection conveyor belt is provided with a to-be-detected area, a detection area, a qualified product area and a discharge area;
the to-be-detected area is positioned at the discharge port of the feeding conveyer belt and is used for receiving the cooling pipe frame conveyed by the feeding conveyer belt;
the helium detection manipulator sends the cooling pipe on the detection area into a helium detection bin for detection;
the qualified product area is positioned at the bin opening of the second helium detection bin, and the helium detection manipulator places a cooling pipe qualified for helium detection into a cooling pipe material frame;
the discharging area is positioned at the feeding port of the discharging conveyor belt and is used for conveying the cooling pipe frame with the qualified cooling pipes to the discharging conveyor belt.
As a further scheme of the invention: the helium detection manipulator comprises a driving arm assembly and a clamping assembly, wherein the driving arm assembly is used for driving the clamping assembly to move, and the clamping assembly is used for clamping the cooling pipe.
As a further scheme of the invention: the driving arm assembly comprises a first motor arranged on the base, a second motor is arranged at the output end of the first motor, a first mechanical arm is arranged at the output end of the second motor, the first mechanical arm is connected with a second mechanical arm through a third motor, a fourth motor is arranged at the end part of the second mechanical arm, a fifth motor is arranged at the output end of the fourth motor, and the output end of the fifth motor is connected with the clamping assembly.
As a further scheme of the invention: the clamping component comprises a clamping support, a plurality of groups of second air cylinders are arranged on the clamping support, and two groups of clamping plates are arranged on the second air cylinders.
As a further scheme of the invention: the clamping support is fixedly provided with a mounting plate, a first air cylinder is horizontally mounted on the mounting plate and used for driving a second air cylinder to horizontally move, and the second air cylinder is slidably connected to the mounting plate.
As a further scheme of the invention: the tube alignment assembly comprises a left pair Ji and a right alignment seat, clamping grooves for placing cooling tubes are formed in the left pair Ji and the right alignment seat, an L-shaped structure alignment baffle is arranged on the right side of the right alignment seat, and a tube alignment pushing piece is arranged on the left side of the left pair Ji.
As a further scheme of the invention: the pipe alignment pushing piece comprises an alignment driving seat, two groups of guide rails are fixedly arranged on the alignment driving seat, a sliding seat is connected onto the guide rails in a sliding manner, and an alignment pushing plate is connected onto the sliding seat.
As a further scheme of the invention: and the alignment driving seat is fixedly provided with a driving motor, the output end of the driving motor is fixedly connected with a threaded rod, and the sliding seat is in threaded connection with the threaded rod.
As a further scheme of the invention: the sliding seat is horizontally and fixedly provided with a third cylinder, and the output end of the third cylinder is fixedly connected with the alignment push plate.
The invention has the beneficial effects that:
(1) In the process of helium detection of the cooling pipe, automatic feeding and discharging of the cooling pipe are realized, two helium detection bins are arranged for simultaneously detecting the cooling pipe, and a machine is used for replacing manual work to improve the production efficiency, so that manual participation is reduced, and the safety of personnel is improved.
(2) Through setting up the pipe alignment subassembly and guaranteeing that the cooling tube is neatly put into the helium and examine the storehouse and detect to improve the detection accuracy to the cooling tube, and then ensure the product quality of cooling tube.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic perspective view of a helium testing manipulator according to the present invention;
FIG. 3 is a schematic diagram of an axial structure of a helium testing manipulator according to the present invention;
fig. 4 is a schematic top view of the tube alignment assembly of the present invention.
In the figure: 1. a helium test rack; 2. a first helium test bin; 3. a second helium detection bin; 4. a feed conveyor belt; 5. a helium test conveyor belt; 51. a region to be inspected; 52. the detection area is; 53. a qualified product area; 54. a discharge zone; 6. a discharge conveyor belt; 7. helium detection manipulator; 71. a base; 72. a first motor; 73. a second motor; 74. a first mechanical arm; 75. a third motor; 76. a second mechanical arm; 77. a fourth motor; 78. a fifth motor; 79. clamping a bracket; 710. a mounting plate; 711. a first cylinder; 712. a second cylinder; 713. clamping the plate; 8. a tube alignment assembly; 81. a left alignment seat; 82. a right alignment seat; 83. aligning the baffle; 84. aligning the driving seat; 85. a guide rail; 86. a driving motor; 87. a threaded rod; 88. a sliding seat; 89. a third cylinder; 810. pair Ji Tuiban; 9. and cooling the pipe material frame.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, the invention discloses an automatic feeding and discharging mechanism for a cooling tube helium test procedure, which comprises a helium test rack 1, wherein a first helium test bin 2 and a second helium test bin 3 are arranged on the helium test rack 1 side by side, a feeding conveyer belt 4 for feeding and conveying a cooling tube material frame 9 is arranged on one side of the helium test rack 1, a discharging conveyer belt 6 for discharging and conveying the cooling tube material frame 9 is arranged on the other side of the helium test rack 1, and an outlet of the feeding conveyer belt 4 is connected with an inlet of the discharging conveyer belt 6 through a helium test conveyer belt 5;
a helium test manipulator 7 for taking and placing the cooling pipe clamp into a helium test bin to test helium is arranged in front of the helium test rack 1;
a tube alignment assembly 8 is also arranged between the helium test frame 1 and the helium test conveyer belt 5, and the tube alignment assembly 8 is used for pushing and aligning the cooling tube.
The helium inspection manipulator 7 is used for clamping and sending cooling pipes into the pipe alignment assembly 8, and sending the cooling pipes aligned in the pipe alignment assembly 8 into the first helium inspection bin 2 and the second helium inspection bin 3 for inspection respectively, and simultaneously, the helium inspection manipulator is used for clamping and sending the cooling pipes in the helium inspection bin into the cooling pipe material frame 9 of the helium inspection conveying belt 5, so that automatic feeding and discharging of the helium inspection of the cooling pipes are realized, and the production efficiency is improved instead of manual work.
The helium detection conveyer belt 5 is provided with a to-be-detected area 51, a detection area 52, a qualified product area 53 and a discharge area 54;
the to-be-detected area 51 is positioned at the discharge port of the feeding conveyer belt 4 and is used for receiving the cooling pipe frame 9 conveyed by the feeding conveyer belt 4;
the position of the inspection area 52 corresponds to that of the tube alignment assembly 8, and the helium inspection manipulator 7 sends the cooling tube on the inspection area 52 into a helium inspection bin for inspection;
the qualified product area 53 is positioned at the bin opening of the second helium detection bin 3, and the helium detection manipulator 7 places a cooling pipe qualified for helium detection into the cooling pipe material frame 9;
the discharging area 54 is positioned at the feeding port of the discharging conveyor belt 6, and the cooling pipe frame 9 with the qualified cooling pipes is sent to the discharging conveyor belt 6.
A defective product conveyer belt is also arranged below the helium detection conveyer belt 5, and is used for conveying out defective cooling pipes, and the defective product conveyer belt is positioned between the discharging area 54 and the qualified product area 53.
Referring to fig. 2-3, the helium detecting manipulator 7 includes a driving arm assembly and a clamping assembly, wherein the driving arm assembly is used for driving the clamping assembly to move, and the clamping assembly is used for clamping the cooling pipe.
The driving arm assembly comprises a first motor 72 arranged on a base 71, a second motor 73 is arranged at the output end of the first motor 72, a first mechanical arm 74 is arranged at the output end of the second motor 73, a second mechanical arm 76 is connected to the first mechanical arm 74 through a third motor 75, a fourth motor 77 is arranged at the end part of the second mechanical arm 76, a fifth motor 78 is arranged at the output end of the fourth motor 77, and the output end of the fifth motor 78 is connected with the clamping assembly.
The clamping assembly comprises a clamping bracket 79, a plurality of groups of second air cylinders 712 are arranged on the clamping bracket 79, and two groups of clamping plates 713 are arranged on the second air cylinders 712.
The clamping bracket 79 is fixedly provided with a mounting plate 710, the mounting plate 710 is horizontally provided with a first air cylinder 711, the first air cylinder 711 is used for driving a second air cylinder 712 to horizontally move, and the second air cylinder 712 is connected to the mounting plate 710 in a sliding manner.
The first cylinder 711 drives the second cylinder 712 to move on the mounting plate 710, so that the position of the clamping plate 713 can be conveniently adjusted, and the cooling pipe can be still stably clamped after the position of the cooling pipe is adjusted.
Referring to fig. 4, the tube alignment assembly 8 includes a left alignment seat 81 and a right alignment seat 82, clamping grooves for placing cooling tubes are formed in the left alignment seat 81 and the right alignment seat 82, an alignment baffle 83 having an L-shaped structure is disposed on the right side of the right alignment seat 82, and a tube alignment pushing member is mounted on the left side of the left alignment seat 81.
The tube alignment pushing member comprises an alignment driving seat 84, two groups of guide rails 85 are fixedly arranged on the alignment driving seat 84, a sliding seat 88 is connected to the guide rails 85 in a sliding manner, and an alignment pushing plate 810 is connected to the sliding seat 88.
A driving motor 86 is fixedly mounted on the alignment driving seat 84, a threaded rod 87 is fixedly connected to the output end of the driving motor 86, and a sliding seat 88 is in threaded connection with the threaded rod 87.
A third cylinder 89 is horizontally and fixedly arranged on the sliding seat 88, and the output end of the third cylinder 89 is fixedly connected with the alignment push plate 810.
After the cooling tube is placed into the clamping groove of the alignment seat under the action of the helium detection manipulator 7, the driving motor 86 drives the threaded rod 87 to rotate, the sliding seat 88 is driven to slide along the guide rail 85 by utilizing the principle of screw rod transmission, the sliding seat 88 moves towards the cooling tube, meanwhile, the third cylinder 89 drives the alignment push plate 810 to push the cooling tube, one end of the cooling tube is propped against the alignment baffle 83 under the action of the alignment push plate 810, the other end of the cooling tube is pushed by the alignment push plate 810, the cooling tube is ensured to be orderly placed into the helium detection bin for detection, so that the detection precision of the cooling tube is improved, and the product quality of the cooling tube is ensured.
The working principle of the invention is as follows: the operator places a cooling pipe material frame 9 with cooling pipes on the trolley on the feeding conveyor belt 4; the cooling tube material frame 9 is conveyed to a to-be-detected area 51 of the helium detection conveyer belt 5 through the feeding conveyer belt 4, and then conveyed to an inspection area 52 under the action of the helium detection conveyer belt 5; at this time, the helium detecting robot 7 starts to operate above the detecting area 52, the clamping plate 713 of the helium detecting robot 7 opens to grasp the cooling tube under the action of the second cylinder 712, and the cooling tube is placed in the clamping groove of the tube alignment assembly 8.
The pair Ji Tuiban 810 in the tube alignment assembly 8 pushes the cooling tubes to be aligned under the action of the third air cylinder 89, so that the positions of the two ends of the four cooling tubes are identical, and the alignment push plate 810 returns to the original position after the cooling tubes are aligned.
After the tube body is aligned, the helium detection manipulator 7 grabs the cooling tube again and puts the cooling tube into a detection station in the first helium detection bin 2; the helium detection manipulator 7 is retracted to the detection area 52, the detection clamp in the first helium detection bin 2 clamps the cooling pipe, and the first helium detection bin 2 is closed to start filling helium gas for automatic detection.
The helium detection manipulator 7 which is retracted to the detection region 52 immediately grabs the cooling tube and puts the cooling tube into the clamping groove of the tube alignment assembly 8; pushing the cooling tube; the helium detection manipulator 7 grabs the aligned cooling pipe and puts the cooling pipe into a detection station in the second helium detection bin 3; the second helium detection chamber 3 is also closed for detection.
When the helium detection manipulator 7 withdraws from the second helium detection bin 3, the detection of the cooling tube in the first helium detection bin 2 is completed, and a bin door of the first helium detection bin 2 is opened; when the cooling pipe is qualified and has no alarm, the helium detection manipulator 7 grabs the qualified cooling pipe of the first helium detection bin 2 and puts the qualified cooling pipe into the cooling pipe material frame 9 of the qualified product area 53. Then the second helium detecting bin 3 is detected, and a bin door of the second helium detecting bin 3 is opened; when the cooling pipe is qualified and has no alarm, the helium detection manipulator 7 grabs the qualified cooling pipe of the second helium detection bin 3 and puts the qualified cooling pipe into the cooling pipe frame 9 of the qualified product area 53. When the cooling pipe detects abnormality, the helium detection manipulator 7 grabs defective products and puts the defective products into the defective product conveying belt to discharge the defective products.
Then circularly working until the cooling pipes in the whole cooling pipe material frame 9 in the detection area 52 are detected; the driving belt runs, the cooling pipe to be detected in the area to be detected 51 runs to the position of the detection area 52, the empty material frame at the position of the detection area 52 runs to the position of the qualified product area 53, the qualified product material frame at the position of the qualified product area 53 runs to the position of the qualified product discharging area 54, and then the cooling pipe enters the discharging conveying belt 6, and the qualified product material frame is manually taken down on the trolley.
The foregoing describes one embodiment of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.
Claims (6)
1. The automatic feeding and discharging mechanism for the cooling tube helium detection procedure comprises a helium detection frame (1), wherein a first helium detection bin (2) and a second helium detection bin (3) are arranged on the helium detection frame (1) side by side;
a helium detection manipulator (7) for taking the cooling pipe clamp into a helium detection bin for helium detection is arranged in front of the helium detection frame (1);
a tube alignment assembly (8) is further arranged between the helium detection frame (1) and the helium detection conveying belt (5), and the tube alignment assembly (8) is used for pushing and aligning the cooling tube;
the pipe alignment assembly (8) comprises a left alignment seat (81) and a right alignment seat (82), clamping grooves for placing cooling pipes are formed in the left alignment seat (81) and the right alignment seat (82), an L-shaped alignment baffle (83) is arranged on the right side of the right alignment seat (82), and a pipe alignment pushing piece is arranged on the left side of the left alignment seat (81);
the pipe alignment pushing piece comprises an alignment driving seat (84), two groups of guide rails (85) are fixedly arranged on the alignment driving seat (84), sliding seats (88) are connected onto the guide rails (85) in a sliding manner, and pairs Ji Tuiban (810) are connected onto the sliding seats (88);
a driving motor (86) is fixedly arranged on the alignment driving seat (84), the output end of the driving motor (86) is fixedly connected with a threaded rod (87), and a sliding seat (88) is in threaded connection with the threaded rod (87);
a third air cylinder (89) is horizontally and fixedly arranged on the sliding seat (88), and the output end of the third air cylinder (89) is fixedly connected with the pair Ji Tuiban (810).
2. An automatic feeding and discharging mechanism for a cooling tube helium test procedure according to claim 1, characterized in that a to-be-tested area (51), an in-test area (52), a qualified product area (53) and a discharging area (54) are arranged on the helium test conveyer belt (5).
3. An automatic feeding and discharging mechanism for a cooling tube helium testing procedure according to claim 1, characterized in that the helium testing manipulator (7) comprises a driving arm assembly and a clamping assembly, the driving arm assembly is used for driving the clamping assembly to move, and the clamping assembly is used for clamping a cooling tube.
4. An automatic feeding and discharging mechanism for a cooling tube helium test procedure according to claim 3, characterized in that the driving arm assembly comprises a first motor (72) arranged on a base (71), a second motor (73) is arranged at the output end of the first motor (72), a first mechanical arm (74) is arranged at the output end of the second motor (73), a second mechanical arm (76) is connected to the first mechanical arm (74) through a third motor (75), a fourth motor (77) is arranged at the end part of the second mechanical arm (76), a fifth motor (78) is arranged at the output end of the fourth motor (77), and the output end of the fifth motor (78) is connected with the clamping assembly.
5. An automatic feeding and discharging mechanism for a cooling tube helium test procedure according to claim 3, characterized in that the clamping assembly comprises a clamping bracket (79), a plurality of groups of second cylinders (712) are arranged on the clamping bracket (79), and two groups of clamping plates (713) are arranged on the second cylinders (712).
6. The automatic feeding and discharging mechanism for the cooling tube helium test procedure according to claim 5, wherein a mounting plate (710) is fixedly arranged on the clamping support (79), a first air cylinder (711) is horizontally arranged on the mounting plate (710), the first air cylinder (711) is used for driving a second air cylinder (712) to horizontally move, and the second air cylinder (712) is connected to the mounting plate (710) in a sliding mode.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111232654.3A CN114044302B (en) | 2021-10-22 | 2021-10-22 | Automatic feeding and discharging mechanism for helium detection procedure of cooling tube |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111232654.3A CN114044302B (en) | 2021-10-22 | 2021-10-22 | Automatic feeding and discharging mechanism for helium detection procedure of cooling tube |
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| CN114044302A CN114044302A (en) | 2022-02-15 |
| CN114044302B true CN114044302B (en) | 2023-08-08 |
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| CN112573191A (en) * | 2020-12-18 | 2021-03-30 | 格力电器（武汉）有限公司 | Automatic condenser box moving device and detection method |
| CN112678506A (en) * | 2020-12-30 | 2021-04-20 | 奥美森智能装备股份有限公司 | Pipe penetrating machine for heat exchanger |
| CN112808617A (en) * | 2021-02-07 | 2021-05-18 | 福伸电机(苏州)有限公司 | Pipe fitting conveying and checking device |
| CN113426694A (en) * | 2021-07-27 | 2021-09-24 | 四川岷河管业有限公司 | Full-automatic chain type stepping pipe airtightness detection equipment |
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