CN109870594B - Fixing tool for detecting solid-sealed polar pole - Google Patents
Fixing tool for detecting solid-sealed polar pole Download PDFInfo
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- CN109870594B CN109870594B CN201711262666.4A CN201711262666A CN109870594B CN 109870594 B CN109870594 B CN 109870594B CN 201711262666 A CN201711262666 A CN 201711262666A CN 109870594 B CN109870594 B CN 109870594B
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- supporting part
- pressing
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- 238000003825 pressing Methods 0.000 claims abstract description 40
- 238000001514 detection method Methods 0.000 claims abstract description 39
- 238000004519 manufacturing process Methods 0.000 claims abstract description 14
- 210000000078 claw Anatomy 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 13
- 238000012360 testing method Methods 0.000 description 22
- 230000000903 blocking effect Effects 0.000 description 4
- 238000011417 postcuring Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
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Abstract
The invention relates to a fixing tool for detecting an embedded pole, which comprises a base, wherein the base is provided with a supporting part for supporting a bottom flange of the embedded pole, the base is also provided with a pressing structure for pressing the bottom flange on the supporting part, and the supporting part is provided with an avoidance hole for a detection device to penetrate through so as to apply force to a moving end of the embedded pole. During the use will seal utmost point post perpendicularly and install on the base admittedly, the top surface of base forms the supporting part, by compact structure will seal utmost point post admittedly compress tightly on the supporting part, later will fix the frock and place utmost point post production line on, process or detect utmost point post in order, dodge the hole on the supporting part and make things convenient for detection device to seal the end application of force admittedly to the utmost point post that moves. Compared with the prior art, the pole fixing operation is simplified to a certain extent without repeated disassembly and assembly, the labor intensity of workers is greatly reduced, and the working efficiency is improved.
Description
Technical Field
The invention relates to a fixing tool used in a detection process of a solid-sealed pole.
Background
The solid-sealed pole is formed by simultaneously embedding the vacuum arc-extinguishing chamber and the conductive parts related to the circuit breaker into easily-cured solid insulating materials such as epoxy resin or thermoplastic materials to form a pole structure, so that the whole circuit breaker pole is an integral component. The post-curing process is performed after the embedded pole is formed, and various test detections are also performed, such as X-ray detection, self-closing force detection, reaction force detection, loop resistance measurement, power frequency test, partial discharge test and the like.
Different test detection methods have different test modes for the pole: (1) in the X-ray flaw detection, the pole is fixed on a tooling plate to perform ascending, descending, rotating and other actions, so that the defects of bubbles, impurities and the like in the pole can be conveniently observed; (2) the self-closing force and the counter force detection are to pull the movable end of the pole downwards by a certain opening distance and measure the self-closing force and the counter force of the pole through a force value sensor; (3) in the power frequency and partial discharge test, the movable end of the pole is pulled downwards for a fixed opening distance, and the electrical insulation performance is measured; (4) the measurement of the loop resistance requires a certain upward pressure to be applied to the moving contact and the static contact.
Most loop resistance testing devices are fixed by using a bottom flange of an embedded pole to complete a testing project. At present, most of polar column manufacturers adopt different polar column fixing tools according to the difference of the test modes of polar column detection stations, the types and the number of the fixing tools are more, the detection cost is increased, workers are required to frequently carry polar columns among different detection stations and frequently perform operations such as loosening and fastening, the labor intensity of the workers is high, and the production efficiency is low.
Disclosure of Invention
The invention aims to provide a fixing tool for detecting an embedded pole, which is used for solving the problem that the production efficiency is influenced because the embedded pole needs to be repeatedly disassembled and assembled in a detection test.
In order to achieve the purpose, the fixing tool for detecting the solid-sealed polar pole is characterized in that the scheme 1 comprises the following steps: the fixed tool for detecting the solid-sealed polar pole comprises a base, wherein the base is provided with a supporting part for supporting a bottom flange of the solid-sealed polar pole, the base is further provided with a pressing structure for pressing the bottom flange on the supporting part, and a avoiding hole for allowing a detection device to penetrate through to apply force to a moving end of the solid-sealed polar pole is formed in the supporting part.
According to the fixing tool in the scheme 1, the pressing structure comprises a stopping frame used for stopping the solid-sealed polar pole along the top surface of the base and a pressing piece used for pressing the solid-sealed polar pole onto the stopping frame, the stopping frame is provided with a vertical wall perpendicular to the base, and the top of the vertical wall is provided with an inward-turning edge used for pressing the bottom flange.
In the scheme 4, according to the fixing tool in the scheme 3, the stopping frame is an E-shaped frame with two installation positions for installing the solid-sealed pole in parallel, and each installation position corresponds to the pressing piece.
According to the fixing tool in the scheme 5, a guide structure for guiding and installing the pressing piece is arranged on the base and comprises a guide rail and a sliding seat, the pressing piece is installed on the sliding seat, and a locking structure matched with the guide rail in a locking mode to fix the position of the pressing piece is arranged on the sliding seat.
In the scheme 8, according to the fixing tool in the scheme 5, the pressing piece is formed by a splayed fixing claw, the fixing claw is provided with a horizontal section and two inclined sections symmetrically arranged at two ends of the horizontal section, the fixing claw is connected with the sliding seat through the horizontal section, and the two inclined sections are used for being pressed on the top surface of the bottom flange.
The invention has the beneficial effects that: during the use will seal utmost point post perpendicularly and install on the base admittedly, the top surface of base forms the supporting part, by compact structure will seal utmost point post admittedly compress tightly on the supporting part, later will fix the frock and place utmost point post production line on, process or detect utmost point post in order, dodge the hole on the supporting part and make things convenient for detection device to seal the end application of force admittedly to the utmost point post that moves. Compared with the prior art, the pole fixing device does not need to be repeatedly disassembled and assembled, simplifies pole fixing operation to a certain extent, greatly reduces labor intensity of workers, and improves working efficiency; meanwhile, the vertical arrangement state of the solid-sealed polar pole is closer to the actual use state of the solid-sealed polar pole on the circuit breaker, the solid-sealed polar pole is also suitable for the test states of various test detection stations, and the detection result is more accurate.
Furthermore, the pressing structure comprises a blocking frame, the blocking frame is provided with a vertical wall and an inward-turning edge arranged at the top of the vertical wall, the inward-turning edge blocks a bottom flange of the solid-sealed polar pole in an upward direction, and the detection device conveniently applies force to the movable end of the solid-sealed polar pole upwards during loop resistance detection.
Furthermore, the top of the vertical wall of the stopping frame is provided with an inward-turning edge, the solid-sealed polar pole is pressed on the stopping frame by the pressing piece, one side of the inward-turning edge, which is far away from the vertical wall, inclines upwards and is used for pressing the top surface of the bottom flange of the solid-sealed polar pole, and the inward-turning edge is arranged in an inclined manner and is adapted to the thickness change of the bottom flange.
Furthermore, the position of the pressing piece is adjustable, and the pressing piece is arranged on the base, so that the pressing piece is adjusted to adapt to the diameter change of the solid-sealed polar columns with different specifications.
Drawings
Fig. 1 is a perspective view of a fixing tool for detecting a solid-sealed pole according to a first embodiment of the present invention;
fig. 2 is a front view of a fixing tool for detecting a solid-sealed pole according to a first embodiment;
fig. 3 is a top view of fig. 2.
In the figure: the device comprises a base 1, a stop frame 2, a connecting screw 3, a fixed claw 4, a sliding seat 5, a locking assembly 6, a guide rail 7, a limiting plate 8, a roller 9, a connecting screw 10, an avoiding hole 11 and an inward turned edge 12.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
The first embodiment of the fixing tool for detecting the solid-sealed polar pole comprises a base 1 and a pressing structure arranged at the top of the base 1, wherein the base 1 is a rectangular base, a supporting part for the solid-sealed polar pole to be vertically installed is formed at the top of the base 1, rollers 9 are respectively arranged at four right-angled corners of the base 1, and the rotating axes of the rollers 9 are perpendicular to the base 1 and are used for rolling along a polar pole production line. The pressing structure comprises a stopping frame 2 and a pressing piece which is arranged on the base 1 and has an adjustable position, the pressing piece is formed by a fixed claw 4, and the fixed claw 4 presses the solid-sealed polar pole on the stopping frame 2 when the pressing structure is used.
The stopping frame 2 is an E-shaped frame, the E-shaped frame is provided with two mounting positions for mounting the solid-sealed polar pole, and the two mounting positions are respectively corresponding to a fixed claw 4. The E-shaped frame is provided with three horizontal parts arranged in parallel at intervals and a vertical part used for connecting the three horizontal parts, an inward turning edge 12 is arranged at the top of the vertical part, the horizontal part is fixed on the base 1 through a connecting screw 3, and one side, far away from the vertical part, of the inward turning edge 12 inclines upwards and is used for being pressed on the top surface of a bottom flange of the solid-sealed polar pole. And two mounting positions of the E-shaped frame are respectively provided with a circular avoiding hole 11, and the avoiding holes 11 are used for avoiding the bottom opening of the solid-sealed polar pole, so that the detection device can conveniently apply force to the movable end of the solid-sealed polar pole.
The pressing structures are arranged in parallel, the two pressing structures have the same structure and respectively comprise a fixed claw 4 and a guide structure for guiding and installing the fixed claw 4, the fixed claw 4 is formed by a splayed frame, the splayed frame is provided with a horizontal section and two inclined sections symmetrically arranged at two ends of the horizontal section, end parts of the two inclined sections are inclined from inside to outside and from bottom to top, and the inclined angle is consistent with the inward turning edge 12; the fixed jaw 4 is connected with the guiding structure through the horizontal section of the fixed jaw.
The guide structure comprises a guide rail 7 and a sliding seat 5 buckled on the guide rail 7, the sliding seat 5 is a U-shaped seat, a locking assembly 6 is perpendicularly arranged at the top of the U-shaped seat, the locking assembly 6 comprises a positioning pin and a knob arranged at the upper end of the positioning pin, and the lower end of the positioning pin is used for being matched with the guide rail in a locking mode.
Two vertical walls of the guide rail 7 with longer length are respectively provided with a long groove extending along the length direction of the guide rail 7, and two vertical walls of the sliding seat 5 are respectively provided with a limit screw used for being matched with the long groove in a stop way along the up-down direction. Two ends of the guide rail 7 in the length direction are respectively provided with a limiting piece 8, and the limiting pieces 8 are fixed on the end surface of the guide rail 7 through connecting bolts 10 and used for preventing the sliding seat 5 from being separated from the guide rail 7.
When the fixing device is used, the solid-sealed polar pole is placed in the installation position of the stopping frame 2, the fixing claw 4 is pushed, the solid-sealed polar pole is tightly pressed on the stopping frame 2, the locking assembly 6 is screwed, the fixing claw 4 is guaranteed to be fixed in position, then the base 1 is placed on a polar pole production line, and the roller 9 is used for reducing friction. The solid-sealed polar pole sequentially flows to subsequent process machining and testing stations along with a polar pole production line on the base 1, and the polar pole is disassembled by loosening the front pawl positioning pin after the products are completely tested.
The post-curing process comprises the following steps: the solid-sealed polar pole automatically enters the tunnel furnace along with the production line to perform the post-curing process, the solid-sealed polar pole in the process slowly moves on the base 1 along with the production line to complete curing, and the base 1 supports the solid-sealed polar pole to meet the process requirements.
The detection test comprises the following steps: x-ray detection: the solid-sealed polar pole moves upwards, downwards, rotates and the like in a vertical state, so that the defects of bubbles, cracks and the like in the polar pole are conveniently observed. The solid-sealed polar pole is firm and reliable on the base 1, can directly enter X-ray detection equipment along with a polar pole production line, cannot incline or fall down and the like in the process of rotation and up-and-down movement of the solid-sealed polar pole, and can meet the test requirements.
Self-closing force and reaction force detection: because the base 1 is provided with the large enough avoidance hole 11, the test detection device can pull the movable end away from the bottom of the solid-sealed polar pole for fixing the opening distance, the applied force is downward, and the fixed tool can meet the test detection requirement.
Loop resistance detection: an upward constant force (usually 3000N-4500N) is applied to the movable end of the embedded pole, and the loop resistance of the pole is measured by a loop resistance detector. The solid-sealed polar pole is vertically arranged on the base 1, the inward-turning edge 12 on the blocking frame 2 has a certain blocking effect on the boss at the bottom of the solid-sealed polar pole, but in order to avoid damaging the appearance of the solid-sealed polar pole and better fix the polar pole, a cover capable of fixing the top of the polar pole downwards needs to be added at the top of the loop resistance detection equipment, the cover can be adjusted along with the height of the polar pole, and the fixing tool can be matched with the loop resistance detection equipment to realize the test detection of the polar pole. In addition, the pole is vertically placed, the pole is closer to the actual use state of the pole installed on the circuit breaker, and the measuring result is more accurate.
Power frequency and partial discharge detection: because the base 1 is provided with the large enough avoidance hole 11, the test detection device can pull the movable end to a fixed distance from the bottom of the pole, and the upper and lower terminals of the solid-sealed pole are respectively connected with the high-voltage wire and the grounding wire, so that the insulation test detection of the pole is realized. The design of this fixed frock can satisfy experimental detection requirement completely.
Compared with the prior art, the pole fixing device does not need to be repeatedly disassembled and assembled, simplifies pole fixing operation to a certain extent, greatly reduces labor intensity of workers, and improves working efficiency; meanwhile, the vertical arrangement state of the solid-sealed polar pole is closer to the actual use state of the solid-sealed polar pole on the circuit breaker, the solid-sealed polar pole is also suitable for the test states of various test detection stations, and the detection result is more accurate.
In addition, the positioning of the solid-sealed polar pole is firm, the phenomena of inclination, falling and the like in the moment of sudden starting and stopping of the polar pole in the production line motion process are avoided, the process of frequently disassembling the polar pole in the middle is omitted, the polar pole fixing operation is simplified to a certain extent, the labor intensity of workers is greatly reduced, and the working efficiency is improved.
In addition, the tool is simple in structural design, simple and effective to operate, capable of fixing pole columns of various models and specifications, wide in application range, low in tool processing cost, simple to take and process sectional materials, low in investment and high in benefit.
Furthermore, the fixing claw 4 adopts a guide installation mode, so that the adaptability to the size of a product is large, if the size of the bottom of the pole column and the size position of the insert are adjusted, the fixing tool can still be used, and a new fixing tool does not need to be added or the size of the tool is not adjusted.
The second embodiment is different from the first embodiment in that: the compressing structure comprises a fixed jaw and a telescopic driving device for driving the fixed jaw, the fixed jaw is provided with an arc surface for contacting with the solid-sealed polar pole, and the telescopic driving device comprises an air cylinder, a hydraulic cylinder, an electric push rod and the like.
In other embodiments, the fixing tool can also be set to be a fixing tool with a smaller volume for only one solid-sealed pole; in addition, for some solid-sealed pole column structures with special structures, auxiliary positioning pieces can be additionally arranged on the base or the stopping frame.
Claims (3)
1. Solid utmost point post detects with fixed frock, its characterized in that: the detection device comprises a base, wherein the base is provided with a supporting part for supporting a bottom flange of a solid-sealed polar pole, the base is also provided with a pressing structure for pressing the bottom flange on the supporting part, the supporting part is provided with an avoidance hole for the detection device to penetrate through so as to apply force to a movable end of the solid-sealed polar pole, the pressing structure comprises a stopping frame for stopping the solid-sealed polar pole along the top surface of the base and a pressing piece for pressing the solid-sealed polar pole onto the stopping frame, the stopping frame is provided with a vertical wall perpendicular to the base, the top of the vertical wall is provided with an inward-turning edge for pressing the bottom flange, one side of the inward-turning edge, which is far away from the vertical wall, inclines upwards, the pressing piece is arranged on the base in an adjustable position, the base is provided with a guide structure for guiding and mounting the pressing piece, and the guide structure comprises a guide rail and a slide seat, the pressing piece is arranged on the sliding seat, the sliding seat is provided with a locking structure which is used for being matched with the guide rail in a locking way to fix the position of the pressing piece, the pressing piece is formed by a splayed fixing claw, the fixing claw is provided with a horizontal section and two inclined sections which are symmetrically arranged at two ends of the horizontal section, the fixing claw is connected with the sliding seat through the horizontal section, the two inclined sections are used for being pressed on the top surface of the bottom flange, the end parts of the two inclined sections are inclined from inside to outside and from bottom to top, the base is a rectangular base, four right-angled positions on the rectangular base are respectively provided with a roller near the rectangular base, the rotating axis of the roller is vertical to the top surface of the base and is used for being installed on a polar pole production line, when in use, the solid-sealed polar pole is vertically installed on the base, the top surface of the base forms a supporting part, the solid-sealed polar pole is pressed on the supporting part through the pressing structure, and then the fixing tool is placed on the polar pole production line, and processing or detecting the solid-sealed polar columns in sequence.
2. The fixed tool for detecting the embedded pole according to claim 1, characterized in that: the stop frame is an E-shaped frame provided with two installation positions which are arranged in parallel and used for installing the solid-sealed polar pole, and each installation position corresponds to the pressing piece.
3. The fixed tool for detecting the embedded pole according to claim 1, characterized in that: the locking structure comprises a positioning pin vertically arranged at the top of the sliding seat, a knob is installed at the upper end of the positioning pin, and the lower end of the positioning pin is used for being locked with the guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711262666.4A CN109870594B (en) | 2017-12-04 | 2017-12-04 | Fixing tool for detecting solid-sealed polar pole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711262666.4A CN109870594B (en) | 2017-12-04 | 2017-12-04 | Fixing tool for detecting solid-sealed polar pole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109870594A CN109870594A (en) | 2019-06-11 |
| CN109870594B true CN109870594B (en) | 2021-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711262666.4A Active CN109870594B (en) | 2017-12-04 | 2017-12-04 | Fixing tool for detecting solid-sealed polar pole |
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| Country | Link |
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| CN (1) | CN109870594B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117110668B (en) * | 2023-10-20 | 2023-12-26 | 福建德普乐能源科技有限公司 | Fixed frock is used in detection of solid utmost point post that seals |
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| CN109870594A (en) | 2019-06-11 |
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