CN110907100A - Transformer rubber seal sealing performance detection equipment - Google Patents
Transformer rubber seal sealing performance detection equipment Download PDFInfo
- Publication number
- CN110907100A CN110907100A CN201911358748.8A CN201911358748A CN110907100A CN 110907100 A CN110907100 A CN 110907100A CN 201911358748 A CN201911358748 A CN 201911358748A CN 110907100 A CN110907100 A CN 110907100A
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- cavity
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- transmission
- wall
- sealing ring
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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
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- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a device for detecting the sealing property of a rubber sealing ring of a transformer, which comprises a machine body, wherein a transmission cavity is arranged at the left end in the machine body, a detection cavity is arranged at the right end in the machine body, a transmission mechanism for providing power for a device is arranged in the transmission cavity, a detection mechanism for detecting the sealing property of the sealing ring is arranged in the detection cavity, an oil inlet mechanism for simulating the working environment of the sealing ring is also arranged at the left end in the machine body, a sealing space similar to a pipeline can be formed during working, and then the sealing property of the sealing ring is detected by applying pressure to the pipeline by simulating the using environment of the sealing ring in the transformer, so that the test effect of quickly and accurately detecting the sealing.
Description
Technical Field
The invention relates to the field of transformers, in particular to a device for detecting the sealing property of a rubber sealing ring of a transformer.
Background
Rubber seal need be used to good many junctions in the oil-immersed transformer, and the normal work of transformer can be directly arrived to the good or bad of rubber seal's sealing performance, then need detect the leakproofness of sealing washer when using rubber seal.
At the present stage, a plurality of rubber sealing rings can be directly put into use after production is completed, so that the sealing performance of the sealing rings cannot be ensured, and the normal use of the transformer is influenced.
Disclosure of Invention
The invention aims to solve the technical problem of providing equipment for detecting the sealing property of the rubber sealing ring of the transformer, solving the problem that the sealing property of the rubber sealing ring cannot be rapidly detected and increasing the function of rapidly detecting the sealing property of the rubber sealing ring.
The invention is realized by the following technical scheme.
The invention discloses a device for detecting the sealing property of a rubber sealing ring of a transformer, which comprises a machine body, wherein a transmission cavity is arranged at the left end in the machine body, a detection cavity is arranged at the right end in the machine body, a transmission mechanism for providing power for a device is arranged in the transmission cavity, a detection mechanism for detecting the sealing property of the sealing ring is arranged in the detection cavity, and an oil inlet mechanism for simulating the working environment of the sealing ring is also arranged at the left end in the machine body;
the detection mechanism comprises a push block which is positioned in the detection cavity and can move up and down in the detection cavity, a compression cavity with a downward opening is arranged in the push block, a through hole which is communicated with the left and right is arranged on the left cavity wall of the compression cavity, a first rack with the upper end extending into the upper cavity wall of the detection cavity is fixedly arranged on the upper end surface of the push block, a push plate which can slide up and down in the cavity is arranged in the compression cavity, a moving cavity with a downward opening is arranged on the upper cavity wall of the detection cavity, a moving plate which can move up and down in the cavity is arranged in the moving cavity, an extension spring is fixedly arranged between the upper end surface of the moving plate and the upper cavity wall of the moving cavity, two elastic ropes are fixedly connected on the upper end surface of the moving plate, a lifting cavity with a rightward opening is arranged in the left cavity wall of the detection cavity, a fixed block which is positioned in, the detection device is characterized in that a push block cavity with an upward opening is arranged in the lower cavity wall of the lifting cavity, a push block capable of moving up and down in the cavity is arranged in the push block cavity, a telescopic spring is connected between the lower end face of the push block and the lower cavity wall of the push block cavity, a pull rope is fixedly connected to the left end face of the push block, a baffle cavity is arranged in the cavity wall at the lower end of the detection cavity, two baffles capable of moving back and forth in the cavity are arranged in the baffle cavity, the front end face of the baffle at the front side and the rear end face of the baffle at the rear side are fixedly connected with one end of an elastic rope, compression springs are respectively connected between the front end face of the baffle at the front side and the rear end face of the baffle at the rear side and the front and rear cavity walls of the baffle cavity, a detachable cylindrical block can be arranged at the lower end of.
Further, the transmission mechanism is fixed on a motor of a right cavity wall at the upper end of the detection cavity, the left end of the motor is in power connection with a transmission shaft with the left end rotatably connected with the left cavity wall of the transmission cavity, the right end of the transmission shaft is provided with a rotating gear engaged with the front end surface of the first rack, the left end of the transmission shaft is in splined connection with a sliding gear positioned in the transmission cavity, a sliding cavity with a right opening is arranged in the sliding gear, a sliding block capable of sliding in the cavity is arranged in the sliding cavity, the right end surface of the sliding block is fixedly connected with one end of the pull rope, the left end of the transmission shaft is also provided with a rotating block, two elastic springs are connected between the right end surface of the rotating block and the left end surface of the sliding gear, the left cavity wall of the lifting cavity is rotatably provided with a rotating shaft with the right end extending, and a rotating gear meshed with the front end face of the second rack is arranged at the right end of the rotating shaft.
Further, the oil feed mechanism is including being located the oil storage chamber of transmission chamber downside, be equipped with the piston board that can reciprocate in the intracavity in the oil storage chamber, piston board up end with it is equipped with reset spring to connect between the chamber wall on the oil storage chamber, the fixed upper end that is equipped with of piston board up end stretches into the third rack in the transmission chamber, the chamber wall rotates about transmission chamber lower extreme and is equipped with the driven shaft, the driven shaft left end be equipped with the driven gear that the terminal surface meshing is connected before the third rack, the driven shaft right-hand member is equipped with driven pulley, be equipped with on the driven pulley with the belt that driving pulley rotates the connection, the right side chamber wall of oil storage chamber lower extreme is equipped with the intercommunication detect the pipeline in chamber, the left side chamber wall of oil storage chamber is equipped with the oil inlet of intercommunication external space.
Further, the pulling force of the two elastic springs is larger than the friction force applied to the sliding gear when the sliding gear slides on the transmission shaft.
Further, the pulling force of the return spring is greater than the sum of the gravity of the piston plate and the friction force received by the piston plate when sliding in the oil storage cavity.
The invention has the beneficial effects that: the device has a simple structure, is convenient and fast to operate, can form a sealing space similar to a pipeline during working, and can apply pressure to the pipeline to detect the sealing performance of the sealing ring by simulating the use environment of the sealing ring in the transformer, thereby achieving the test effect of quickly and accurately detecting the sealing performance of the rubber sealing ring.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram at A-A in FIG. 1 according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of the structure at B in FIG. 1 according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of FIG. 1 at C according to an embodiment of the present invention.
Detailed Description
The invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The device for detecting the sealing performance of the rubber sealing ring of the transformer, which is described in conjunction with the attached drawings 1-4, comprises a machine body 10, wherein a transmission cavity 49 is arranged at the left end in the machine body 10, a detection cavity 20 is arranged at the right end in the machine body 10, a transmission mechanism 25 for providing power for a device is arranged in the transmission cavity 49, a detection mechanism 66 for detecting the sealing performance of the sealing ring is arranged in the detection cavity 20, an oil feeding mechanism 36 for simulating the working environment of the sealing ring is also arranged at the left end in the machine body 10, the detection mechanism 66 comprises a push block 26 which is positioned in the detection cavity 20 and can move up and down in the detection cavity 20, a compression cavity 29 with a downward opening is arranged in the push block 26, a through hole 27 which is communicated left and right is arranged on the left cavity wall of the compression cavity 29, a first rack 19 with an upper end extending into the upper cavity wall of the detection cavity 20 is fixedly arranged on the, a moving cavity 14 with a downward opening is arranged on the upper cavity wall of the detection cavity 20, a moving plate 17 capable of moving up and down in the cavity is arranged in the moving cavity 14, an extension spring 16 is fixedly arranged between the upper end surface of the moving plate 17 and the upper cavity wall of the moving cavity 14, two elastic ropes 15 are fixedly connected with the upper end surface of the moving plate 17, a lifting cavity 40 with a rightward opening is arranged in the left cavity wall of the detection cavity 20, a fixed block 11 positioned in the lifting cavity 40 is fixedly arranged on the left end surface of the push block 26, a tension spring 12 is connected between the upper end surface of the fixed block 11 and the upper cavity wall of the lifting cavity 40, a push block cavity 61 with an upward opening is arranged in the lower cavity wall of the lifting cavity 40, a push block 62 capable of moving up and down in the cavity is arranged in the push block cavity 61, a telescopic spring 60 is connected between the lower end surface of the push block 62 and the lower cavity wall of, the detection device is characterized in that a baffle cavity 35 is arranged in the cavity wall at the lower end of the detection cavity 2034, two baffles 32 capable of moving back and forth in the cavity are arranged in the baffle cavity 35, the front end face of each baffle 32 at the front side and the rear end face of each baffle 32 at the rear side are fixedly connected with one end of the elastic rope 15, the front end face of each baffle 32 at the front side and the rear end face of each baffle 32 at the rear side are respectively connected with a compression spring 63 between the front cavity wall and the rear cavity wall of each baffle cavity 35, a detachable cylindrical block 33 can be arranged at the lower end of the detection cavity 20, a feed inlet 30 communicated with the external space is arranged on the right cavity wall of the detection cavity 20, and.
Beneficially, the transmission mechanism 25 is fixed on the motor 22 of the right cavity wall at the upper end of the detection cavity 20, the left end of the motor 22 is in power connection with the transmission shaft 23 with the left end rotationally connected with the left cavity wall of the transmission cavity 49, the right end of the transmission shaft 23 is provided with the rotating gear 21 engaged with the front end surface of the first rack 19, the left end of the transmission shaft 23 is in spline connection with the sliding gear 54 located in the transmission cavity 49, the sliding gear 54 is internally provided with a sliding cavity 53 with a right opening, the sliding cavity 53 is internally provided with a sliding block 57 capable of sliding in the cavity, the right end surface of the sliding block 57 is fixedly connected with one end of the pull rope 58, the left end of the transmission shaft 23 is further provided with the rotating block 55, two elastic springs 56 are connected between the right end surface of the rotating block 55 and the left end surface of the sliding gear 54, the left cavity wall of the, the left end of the rotating shaft 13 is provided with a driving gear 52 and a driving pulley 59 which are positioned in the transmission cavity 49, and the right end of the rotating shaft 13 is provided with a rotating gear 24 which is meshed and connected with the front end face of the second rack 18.
Beneficially, the oil inlet mechanism 36 includes an oil storage chamber 39 located at the lower side of the transmission chamber 49, a piston plate 43 capable of moving up and down in the oil storage chamber 39 is arranged in the oil storage chamber 39, a return spring 44 is connected between the upper end surface of the piston plate 43 and the upper chamber wall of the oil storage chamber 39, a third rack 48 with the upper end extending into the transmission chamber 49 is fixedly arranged on the upper end surface of the piston plate 43, driven shafts 46 are rotatably arranged on the left and right chamber walls at the lower end of the transmission chamber 49, a driven gear 47 engaged with the front end surface of the third rack 48 is arranged at the left end of the driven shaft 46, a driven pulley 45 is arranged at the right end of the driven shaft 46, a belt 50 rotatably connected with the driving pulley 59 is arranged on the driven pulley 45, a pipeline 37 communicated with the detection chamber 20 is arranged on the right chamber wall at the lower end of the oil storage chamber, an electromagnetic switch 41 is arranged in the oil inlet 42.
Advantageously, the tension of the two elastic springs 56 is greater than the friction to which the sliding gear 54 is subjected when sliding on the transmission shaft 23.
Advantageously, the tension of the return spring 44 is greater than the sum of the weight of the piston plate 43 and the friction to which the piston plate 43 is subjected when sliding in the oil reservoir 39.
In the initial state, the push block 26 is located in the detection cavity 20 under the tension of the tension spring 12, the push block 62 is located at the upper end of the push block cavity 61 under the action of the extension spring 60, the pull rope 58 is in a loose state, and the sliding gear 54 is in a disengaged state from the driving gear 52.
When the device works, the sealing ring 31 is manually placed on the upper end face of the cylindrical block 33 through the feed port 30, the motor 22 is started, the motor 22 drives the transmission shaft 23 to rotate when working, so as to drive the rotating gear 21 and the sliding gear 54 on the transmission shaft 23 to rotate, the rotating gear 21 drives the first rack 19 meshed with the rotating gear to move downwards, so as to drive the push block 26 and the fixed block 11 to move downwards, the fixed block 11 moves downwards to push the push block 62 to move downwards, so as to tension the pull rope 58, at the moment, the through hole 27 on the push block 26 is communicated with the pipeline 37, the lower end face of the push block 26 pushes the sealing ring 31 to be sleeved on the cylindrical block 33 and positioned on the upper end face of the baffle 32, when the fixed block 11 moves downwards to the bottommost end, the fixed block 11 and the push block 26 cannot move downwards continuously, and the rotating gear;
when the working environment of the sealing ring is simulated, the sliding gear 54 moves rightwards under the action of the pulling force of the pulling rope 58, the sliding gear 54 is meshed with the driving gear 52, the sliding gear 54 rotates to drive the driving gear 52 to rotate, so as to drive the rotating shaft 13 and the driving pulley 59 and the rotating gear 24 on the rotating shaft 13 to rotate, the driving pulley 59 rotates to drive the driven pulley 45 connected with the driving pulley through the belt 50 to rotate, the driven pulley 45 rotates to drive the driven shaft 46 and the driven gear 47 on the driven shaft 46 to rotate, the driven gear 47 rotates to drive the third rack 48 meshed with the driven gear to move downwards, so as to push the piston plate 43 to move downwards to push the oil in the oil storage cavity 39 into the compression cavity 29 through the pipeline 37 and the through hole 27, so as to simulate the oil-immersed working environment of the sealing ring, the rotating gear 24 rotates to drive the second rack 18 meshed with the rotating gear to move downwards, the second rack 18 moves downwards, the push plate 28 moves downwards to pressurize the interior of the compression cavity 29, if no oil seeps out of the lower end of the detection cavity 20, the sealing performance of the sealing ring is good, and if oil seeps out, the sealing performance is not good;
after the detection is finished, the moving plate 17 moves downwards to slowly tighten the two elastic ropes 15, when the elastic ropes 15 are completely tightened, the two baffle plates 32 open the lower end of the detection cavity 20 under the action of the tension of the two elastic ropes 15, the push plate 28 continues to move downwards to press the sealing ring 31 out of the lower end of the detection cavity 20, the motor 22 is turned off, the push block 26 and the fixed block 11 move upwards to reset under the action of the tension of the rotating shaft 13, the push plate 28 moves upwards to reset under the action of the tension spring 16, and the piston plate 43 moves upwards to reset under the action of the tension of the reset spring 44.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides a transformer rubber seal sealing performance check out test set, includes the fuselage, its characterized in that: the left end in the machine body is provided with a transmission cavity, the right end in the machine body is provided with a detection cavity, a transmission mechanism for providing power for the device is arranged in the transmission cavity, the detection cavity is provided with a detection mechanism for detecting the sealing performance of the sealing ring, and the left end in the machine body is also provided with an oil inlet mechanism for simulating the working environment of the sealing ring;
the detection mechanism comprises a push block which is positioned in the detection cavity and can move up and down in the detection cavity, a compression cavity with a downward opening is arranged in the push block, a through hole which is communicated with the left and right is arranged on the left cavity wall of the compression cavity, a first rack with the upper end extending into the upper cavity wall of the detection cavity is fixedly arranged on the upper end surface of the push block, a push plate which can slide up and down in the cavity is arranged in the compression cavity, a moving cavity with a downward opening is arranged on the upper cavity wall of the detection cavity, a moving plate which can move up and down in the cavity is arranged in the moving cavity, an extension spring is fixedly arranged between the upper end surface of the moving plate and the upper cavity wall of the moving cavity, two elastic ropes are fixedly connected on the upper end surface of the moving plate, a lifting cavity with a rightward opening is arranged in the left cavity wall of the detection cavity, a fixed block which is positioned in, the detection device is characterized in that a push block cavity with an upward opening is arranged in the lower cavity wall of the lifting cavity, a push block capable of moving up and down in the cavity is arranged in the push block cavity, a telescopic spring is connected between the lower end face of the push block and the lower cavity wall of the push block cavity, a pull rope is fixedly connected to the left end face of the push block, a baffle cavity is arranged in the cavity wall at the lower end of the detection cavity, two baffles capable of moving back and forth in the cavity are arranged in the baffle cavity, the front end face of the baffle at the front side and the rear end face of the baffle at the rear side are fixedly connected with one end of an elastic rope, compression springs are respectively connected between the front end face of the baffle at the front side and the rear end face of the baffle at the rear side and the front and rear cavity walls of the baffle cavity, a detachable cylindrical block can be arranged at the lower end of.
2. The device for detecting the sealing property of the rubber sealing ring of the transformer according to claim 1, wherein: the transmission mechanism is fixed on a motor of a right cavity wall at the upper end of the detection cavity, the left end of the motor is in power connection with a transmission shaft with the left end rotatably connected with the left cavity wall of the transmission cavity, the right end of the transmission shaft is provided with a rotating gear engaged with the front end surface of the first rack, the left end of the transmission shaft is in splined connection with a sliding gear positioned in the transmission cavity, a sliding cavity with a right opening is arranged in the sliding gear, a sliding block capable of sliding in the cavity is arranged in the sliding cavity, the right end surface of the sliding block is fixedly connected with one end of the pull rope, the left end of the transmission shaft is also provided with a rotating block, two elastic springs are connected between the right end surface of the rotating block and the left end surface of the sliding gear, the left cavity wall of the lifting cavity is rotatably provided with a rotating shaft with the right, and a rotating gear meshed with the front end face of the second rack is arranged at the right end of the rotating shaft.
3. The device for detecting the sealing property of the rubber sealing ring of the transformer according to claim 1, wherein: the oil feed mechanism is including being located the oil storage chamber of transmission chamber downside, be equipped with the piston board that can reciprocate in the intracavity in the oil storage chamber, piston board up end with it is equipped with reset spring to connect between the chamber wall on the oil storage chamber, the fixed upper end that is equipped with of piston board up end stretches into the third rack in the transmission chamber, the chamber wall rotation is equipped with the driven shaft about the transmission chamber lower extreme, the driven shaft left end be equipped with the driven gear that the end surface meshing is connected before the third rack, the driven shaft right-hand member is equipped with driven pulley, be equipped with on the driven pulley with the belt that driving pulley rotates to be connected, the right side chamber wall of oil storage chamber lower extreme is equipped with the intercommunication detect the pipeline in chamber, the left chamber wall of oil storage chamber is equipped with the oil inlet of intercommunication.
4. The device for detecting the sealing property of the rubber sealing ring of the transformer according to claim 2, wherein: the pulling force of the two elastic springs is larger than the friction force applied to the sliding gear when the sliding gear slides on the transmission shaft.
5. The device for detecting the sealing property of the rubber sealing ring of the transformer according to claim 1, wherein: the pulling force of the return spring is greater than the sum of the gravity of the piston plate and the friction force applied to the piston plate when the piston plate slides in the oil storage cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911358748.8A CN110907100A (en) | 2019-12-25 | 2019-12-25 | Transformer rubber seal sealing performance detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911358748.8A CN110907100A (en) | 2019-12-25 | 2019-12-25 | Transformer rubber seal sealing performance detection equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110907100A true CN110907100A (en) | 2020-03-24 |
Family
ID=69827653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911358748.8A Withdrawn CN110907100A (en) | 2019-12-25 | 2019-12-25 | Transformer rubber seal sealing performance detection equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110907100A (en) |
-
2019
- 2019-12-25 CN CN201911358748.8A patent/CN110907100A/en not_active Withdrawn
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20200324 |