CN216284469U - Sampling tool for insulating oil of transformer of nuclear power plant - Google Patents
Sampling tool for insulating oil of transformer of nuclear power plant Download PDFInfo
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- CN216284469U CN216284469U CN202121860012.3U CN202121860012U CN216284469U CN 216284469 U CN216284469 U CN 216284469U CN 202121860012 U CN202121860012 U CN 202121860012U CN 216284469 U CN216284469 U CN 216284469U
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Abstract
The utility model relates to a sampling tool for insulating oil of a nuclear power plant transformer, which comprises a handle, a piston, a trigger and a connecting shaft, wherein a cylinder body is arranged on the top of the handle, a liquid inlet nozzle and a liquid outlet nozzle are arranged at the front end of the cylinder body, a liquid inlet check valve and a liquid outlet check valve are respectively arranged in the liquid inlet nozzle and the liquid outlet nozzle, liquid inlet hoses and liquid outlet pipes are respectively arranged on the liquid inlet nozzle and the liquid outlet nozzle, floating blocks and balancing weights are arranged on the liquid inlet hoses, the balancing weights are arranged on the end parts of the liquid inlet hoses, the piston is arranged in the cylinder body, a piston rod is arranged on the piston, the end part of the piston rod penetrates through the rear wall of the cylinder body and is provided with a through hole, the trigger is hinged to the bottom of the handle through a rotating shaft, a torsion spring is sleeved on the rotating shaft, two ends of the torsion spring are respectively connected with the handle and the trigger, a long circular hole is arranged on the upper part of the trigger, and the connecting shaft is movably arranged in the through hole and the long circular hole. Effectively solved the syringe that utilizes among the prior art and taken a sample, leaded to producing a large amount of bubbles in the oil appearance easily, and inconvenient handheld operation's problem.
Description
Technical Field
The utility model belongs to the technical field of sampling tools, and particularly relates to a sampling tool for insulating oil of a transformer of a nuclear power plant.
Background
Most of transformers used in nuclear power plants are oil-immersed transformers, insulating oil in the transformers plays roles of insulation, cooling and arc extinction, and during the use of the transformers, dissolved gas and moisture content in the insulating oil need to be sampled and analyzed every half year to determine whether the transformers are overheated, partially discharged and other abnormal conditions, so that reference basis is provided for safe and stable operation of the transformers.
At present, prior art utilizes the syringe to take a sample, when taking a sample, connect the sample hose on the syringe, with sample hose connection in transformer sample valve export, inhale the syringe through pulling the syringe with insulating oil in, but there is a large amount of air often in the hose, can inhale the syringe with air and oil appearance together in the sample in-process, produce a large amount of bubbles in making the air mix income oil appearance, a large amount of bubbles doping has seriously influenced the accuracy that detects in oil appearance, and utilize the syringe sample, be not convenient for handheld, it is comparatively inconvenient to operate.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a sampling tool for insulating oil of a nuclear power plant transformer aiming at the defects of the prior art, and effectively solves the problems that a large amount of bubbles are easily generated in an oil sample and the handheld operation is inconvenient when a syringe in the prior art is used for sampling.
The technical scheme adopted by the utility model is as follows:
the utility model provides a nuclear power plant transformer sampling tool for insulating oil, which comprises a handle, a piston, trigger and connecting axle, be provided with the cylinder body on the top of handle, the cylinder body front end is provided with feed liquor mouth and leakage fluid dram, be provided with feed liquor check valve and flowing back check valve in feed liquor mouth and the leakage fluid dram respectively, be provided with feed liquor hose and fluid-discharge tube on feed liquor mouth and the leakage fluid dram respectively, be provided with floating block and balancing weight on the feed liquor hose, the balancing weight sets up on the tip of feed liquor hose, the piston sets up in the cylinder body, be provided with the piston rod on the piston, the tailpiece of the piston rod portion wears out the cylinder body back wall and is provided with the through-hole, the trigger articulates on the bottom of handle through the pivot, the cover is equipped with the torsional spring in the pivot, the torsional spring both ends are connected with handle and trigger respectively, trigger upper portion is provided with the slotted hole, the connecting axle activity is worn to locate in through-hole and slotted hole.
Further, be provided with the ring body on the handle top, the cylinder body passes through first locking subassembly locking in the ring body, is provided with second locking subassembly on the piston rod, and second locking subassembly can be with the piston rod locking on the cylinder body.
Furthermore, first locking subassembly includes first locking lever, sets up in the first smooth chamber of ring body and sets up the first locked groove on the cylinder body, and first locking lever wears to locate on the ring body and matches with first locked groove, is provided with first handheld piece, first spring and first slider on the first locking lever, and first spring and first slider all set up in first smooth intracavity, and first spring butt is in between first slider and the first smooth intracavity wall.
Furthermore, the second locking assembly comprises a second locking groove arranged on two sides of the piston rod and a sliding sleeve sleeved on the piston rod, a second sliding cavity is arranged in the sliding sleeve, a second locking rod matched with the second locking groove is arranged on the sliding sleeve in a penetrating mode, a second handheld block, a second sliding block and a second spring are arranged on the second locking rod, the second spring and the second sliding block are arranged in the second sliding cavity, and the second spring is abutted between the second sliding block and the inner wall of the second sliding cavity.
Furthermore, a pull ring is arranged at the end part of the connecting shaft.
Furthermore, the cylinder body is provided with an observation window, and the observation window is provided with scale marks.
Compared with the prior art, the utility model has the beneficial effects that:
1. under the effect of torsional spring, hold handle and trigger after through making power and relax, make the trigger slide in the cylinder body through the piston rod drive piston, carry out the pump oil under the mating reaction of feed liquor check valve and flowing back check valve, be full of after the oil appearance in the feed liquor hose, discharge the oil appearance of mixing bubble in the cylinder body in order to wash feed liquor hose and cylinder body, relax the trigger at last and take a sample, effectively avoided sneaking into too much gas in the oil appearance, the detection accuracy is improved, and only need the one-hand operation can wash and take a sample, therefore, the steam generator is simple in operation, and is convenient.
2. When the sample, under the mating reaction of balancing weight and floating block, make the inlet end of hose be located the oil level below and take the oil appearance at middle part, effectively avoided the problem that the air caused in the sample process gets into the feed liquor hose and produces the bubble in the oil appearance, and the oil appearance of taking the middle part more can represent the quality of oil appearance, improves and detects accurate nature.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the present invention in a liquid-imbibed state;
FIG. 3 is a schematic diagram of the liquid discharge state of the present invention;
FIG. 4 is an enlarged view taken at A in FIG. 2;
FIG. 5 is an enlarged view at B in FIG. 2;
FIG. 6 is an enlarged view at C of FIG. 2;
FIG. 7 is a schematic view of the handle and trigger connection of the present invention;
FIG. 8 is a schematic view of the construction of the connection between the piston rod and the trigger according to the present invention;
FIG. 9 is a schematic view of the ring structure of the present invention;
FIG. 10 is a partial structural view of the disassembled state of the present invention;
in the figure: 1. a balancing weight; 2. a liquid inlet hose; 3. floating blocks; 4. scale lines; 5. a cylinder body; 6. a handle; 7. a rotating shaft; 8. a trigger; 9. a long round hole; 10. a connecting shaft; 11. a piston rod; 12. a sliding sleeve; 13. a second lock lever; 14. a second hand-held piece; 15. a first handheld block; 16. a first lock lever; 17. a ring body; 18. an observation window; 19. a liquid discharge pipe; 20. a piston; 21. a liquid discharge nozzle; 22. a liquid inlet check valve; 23. a liquid inlet nozzle; 24. A liquid discharge check valve; 25. a first spring; 26. a first slide chamber; 27. a first slider; 28. a first locking groove; 29. a second spring; 30. a second slider; 31. a second slide chamber; 32. a second locking groove; 33. a torsion spring; 34. A pull ring; 35. and a through hole.
Detailed Description
In order to better understand the technical content of the utility model, specific embodiments are provided below, and the utility model is further described with reference to the accompanying drawings.
Referring to fig. 1 to 10, the utility model provides a sampling tool for insulating oil of a nuclear power plant transformer, which comprises a handle 6, a piston 20, a trigger 8 and a connecting shaft 10, wherein a cylinder body 5 is arranged on the top of the handle 6, a liquid inlet nozzle 23 and a liquid outlet nozzle 21 are arranged at the front end of the cylinder body 5, a liquid inlet check valve 22 and a liquid outlet check valve 24 are respectively arranged in the liquid inlet nozzle 23 and the liquid outlet nozzle 21, a liquid inlet hose 2 and a liquid outlet pipe 19 are respectively detachably connected to the liquid inlet nozzle 23 and the liquid outlet nozzle 21, a floating block 3 and a balancing weight 1 are arranged on the liquid inlet hose 2, the balancing weight 1 is arranged on the end part of the liquid inlet hose 2, the piston 20 is arranged in the cylinder body 5, a piston rod 11 is arranged on the piston 20, the end part of the piston rod 11 penetrates through the rear wall of the cylinder body 5 and is provided with a through hole 35, the handle 6 is of an L-shaped structure, the cross section of the handle 6 is of a U-shaped, a rotating shaft 7 is arranged on the right end part of the bottom of the handle 6 in a penetrating manner, the cross section of trigger 8 also is the U-shaped, and the both sides of pivot 7 are worn to locate respectively on the both sides of trigger 8 bottom, make trigger 8 bottom and the right side of handle 6 bottom articulated, and the cover is equipped with torsional spring 33 in the pivot 7, and the torsional spring 33 both ends are connected with handle 6 and trigger 8 respectively, and trigger 8 upper portion is provided with slotted hole 9, and connecting axle 10 activity is worn to locate in through-hole 35 and slotted hole 9.
Specifically, be provided with ring 17 on the handle 6 top, cylinder body 5 passes through first locking subassembly locking in ring 17, is provided with second locking subassembly on the piston rod 11, and second locking subassembly can be with piston rod 11 locking on cylinder body 5. After the sample is accomplished, utilize second locking subassembly to lock piston rod 11 on cylinder body 5, pull out connecting axle 10 from through-hole 35 and slotted hole 9, make piston rod 11 and trigger 8 separation, take out cylinder body 5 behind the first locking subassembly of unblock at last, install new cylinder body 5 again behind the ring body 17 in order to sample the insulating oil of different transformers, only need dispose a plurality of cylinder bodies 5 can take in succession, sampling work efficiency has effectively been improved, mutual pollution between different oil appearance has been avoided simultaneously, and convenient in the transfer and the storage of oil appearance.
Specifically, the first locking assembly comprises a first lock rod 16, a first sliding cavity 26 arranged in the ring body 17 and a first locking groove 28 arranged on the cylinder body 5, the first lock rod 16 penetrates through the ring body 17 and is matched with the first locking groove 28, a first handheld block 15, a first spring 25 and a first sliding block 27 are arranged on the first lock rod 16, the first spring 25 and the first sliding block 27 are both arranged in the first sliding cavity 26, and the first spring 25 is abutted between the first sliding block 27 and the inner wall of the first sliding cavity 26. After the first handheld block 15 is pulled upwards, the cylinder body 5 is inserted into the ring body 17 and the handheld block is loosened, under the elastic action of the first spring 25, the first spring 25 drives the first sliding block 27 to slide in the first sliding cavity 26, the first sliding block 27 drives the first lock rod 16 to be inserted into the first lock groove 28, and the cylinder body 5 is locked on the ring body 17, so that the operation is convenient and simple.
Specifically, the second locking assembly includes a second locking groove 32 and a sliding sleeve 12, the second locking groove 32 and the sliding sleeve 12 are disposed on two sides of the piston rod 11, a second sliding cavity 31 is disposed in the sliding sleeve 12, a second locking rod 13 matched with the second locking groove 32 is disposed on the sliding sleeve 12 in a penetrating manner, a second hand-held block 14, a second sliding block 30 and a second spring 29 are disposed on the second locking rod 13, the second spring 29 and the second sliding block 30 are both disposed in the second sliding cavity 31, and the second spring 29 abuts against the inner wall of the second sliding block 30 and the inner wall of the second sliding cavity 31. During sampling, the ring body 17 is moved to the right side of the piston rod 11, the second spring 29 pushes the second lock rod 13 to be inserted into the second lock groove 32 on the right side of the piston rod 11 through the second slider 30, so that the piston rod 11 can slide on the cylinder 5 for sampling, after sampling is completed, the trigger 8 is loosened, the torsion spring 33 acts on the trigger 8, the trigger 8 drives the piston 20 to abut against the right wall in the cylinder 5 through the piston rod 11, the second holding block 14 is pulled upwards to enable the second lock rod 13 to leave the second lock groove 32 on the right side in the cylinder 5, the sliding sleeve 12 is moved to the left side of the piston rod 11 to enable the sliding sleeve 12 to abut against the right wall outside the cylinder 5, under the elastic force of the second spring 29, the second spring 29 drives the second lock rod 13 to be inserted into the second lock groove 32 on the left side of the piston rod 11 through the second slider 30, the second lock rod 13 locks the sliding sleeve 12 on the piston rod 11, so that the piston 20 is locked in the cylinder 5, and the operation is convenient, Simply, effectively avoid the piston 20 slip to lead to appearance oil to flow out from the cylinder 5.
Specifically, a pull ring 34 is provided at an end of the connecting shaft 10, and the connecting shaft 10 is easily pulled out by the pull ring 34 to release the connection between the piston rod 11 and the trigger 8.
Specifically, the cylinder body 5 is provided with an observation window 18, the observation window 18 is provided with scale marks 4, the scale marks 4 are used for controlling sampling amount, and the observation window 18 is used for observing the condition of the cylinder body 5.
The working principle of the utility model is as follows:
when a sample needs to be taken, the liquid inlet hose 2 is placed into the insulating oil, the liquid inlet end of the liquid inlet hose 2 is positioned in the middle of the insulating oil by utilizing the matching action of the floating block 3 and the balancing weight 1, the force is exerted after the handle 6 and the trigger 8 are held by hands, the trigger 8 swings around the rotating shaft 7 under the action of overcoming the torsion spring 33, the trigger 8 drives the piston rod 11 to slide in the cylinder 5, the piston rod 11 drives the piston 20 to slide in the cylinder 5, the liquid inlet one-way valve 22 is blocked in the process, the liquid discharge one-way valve 24 is conducted, and the air in the cylinder 5 is discharged through the liquid discharge one-way valve 24 and the liquid discharge pipe 19; after loosening the handle 6 and the trigger 8, under the effect of the resilience force of the torsion spring 33, the trigger 8 is made to swing in the reverse direction, the trigger 8 drives the piston 20 to slide in the cylinder 5 in the reverse direction, the liquid inlet one-way valve 22 is conducted in the process, the liquid outlet one-way valve 24 is blocked, air in the insulating oil and the liquid inlet hose 2 is sucked into the cylinder 5, force is made to the handle 6 and the trigger 8 again, the insulating oil and the air in the cylinder 5 are discharged through the liquid outlet pipe 19, the air in the liquid inlet hose 2 and the cylinder 5 is effectively removed and cleaned, finally, the liquid inlet hose 2 is filled with the insulating oil, the handle 6 and the trigger 8 are loosened finally, the torsion spring 33 drives the piston 20 to slide for sampling, excessive bubbles are effectively prevented from being mixed in an oil sample, the detection accuracy is improved, the cleaning and the sampling can be performed only through one-hand operation, the operation is simple and convenient.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. The utility model provides a nuclear power plant transformer sampling tool for insulating oil which characterized in that: the handle comprises a handle, a piston, trigger and connecting axle, be provided with the cylinder body on the top of handle, the cylinder body front end is provided with feed liquor mouth and leakage fluid dram, be provided with feed liquor check valve and flowing back check valve in feed liquor mouth and the leakage fluid dram respectively, be provided with feed liquor hose and fluid-discharge tube on feed liquor mouth and the leakage fluid dram respectively, be provided with kicking block and balancing weight on the feed liquor hose, the balancing weight sets up on the tip of feed liquor hose, the piston sets up in the cylinder body, be provided with the piston rod on the piston, the piston rod tip is worn out the cylinder body back wall and is provided with the through-hole, the trigger articulates on the handle bottom through the pivot, the cover is equipped with the torsional spring in the pivot, the torsional spring both ends are connected with handle and trigger respectively, trigger upper portion is provided with the slotted hole, the connecting axle activity is worn to locate in through-hole and the slotted hole.
2. The sampling tool for the insulating oil of the nuclear power plant transformer according to claim 1, characterized in that: be provided with the ring body on the handle top, the cylinder body passes through first locking subassembly locking in the ring body, is provided with second locking subassembly on the piston rod, and second locking subassembly can be with the piston rod locking on the cylinder body.
3. The sampling tool for the insulating oil of the nuclear power plant transformer according to claim 2, characterized in that: the first locking assembly comprises a first locking rod, a first sliding cavity arranged in the ring body and a first locking groove arranged on the cylinder body, the first locking rod penetrates through the ring body and is matched with the first locking groove, a first handheld block, a first spring and a first sliding block are arranged on the first locking rod, the first spring and the first sliding block are arranged in the first sliding cavity, and the first spring is abutted between the inner wall of the first sliding cavity and the inner wall of the first sliding cavity.
4. The sampling tool for the insulating oil of the nuclear power plant transformer according to claim 2, characterized in that: the second locking assembly comprises a second locking groove and a sliding sleeve, the second locking groove and the sliding sleeve are arranged on two sides of the piston rod, the sliding sleeve is sleeved on the piston rod, a second sliding cavity is arranged in the sliding sleeve, a second locking rod matched with the second locking groove penetrates through the sliding sleeve, a second handheld block, a second sliding block and a second spring are arranged on the second locking rod, the second spring and the second sliding block are arranged in the second sliding cavity, and the second spring is abutted between the inner wall of the second sliding block and the inner wall of the second sliding cavity.
5. The sampling tool for the insulating oil of the nuclear power plant transformer according to claim 2, characterized in that: the end part of the connecting shaft is provided with a pull ring.
6. The sampling tool for the insulating oil of the nuclear power plant transformer according to claim 1, characterized in that: be provided with the observation window on the cylinder body, be provided with the scale mark on the observation window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121860012.3U CN216284469U (en) | 2021-08-10 | 2021-08-10 | Sampling tool for insulating oil of transformer of nuclear power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121860012.3U CN216284469U (en) | 2021-08-10 | 2021-08-10 | Sampling tool for insulating oil of transformer of nuclear power plant |
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| Publication Number | Publication Date |
|---|---|
| CN216284469U true CN216284469U (en) | 2022-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121860012.3U Active CN216284469U (en) | 2021-08-10 | 2021-08-10 | Sampling tool for insulating oil of transformer of nuclear power plant |
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| CN (1) | CN216284469U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117740466A (en) * | 2024-02-19 | 2024-03-22 | 国网浙江省电力有限公司宁波供电公司 | Insulating oil liquid taking device with liquid level control function and liquid taking method |
-
2021
- 2021-08-10 CN CN202121860012.3U patent/CN216284469U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117740466A (en) * | 2024-02-19 | 2024-03-22 | 国网浙江省电力有限公司宁波供电公司 | Insulating oil liquid taking device with liquid level control function and liquid taking method |
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