CN112666371A - Fixing device for gas relay calibrator - Google Patents
Fixing device for gas relay calibrator Download PDFInfo
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- CN112666371A CN112666371A CN202110050956.2A CN202110050956A CN112666371A CN 112666371 A CN112666371 A CN 112666371A CN 202110050956 A CN202110050956 A CN 202110050956A CN 112666371 A CN112666371 A CN 112666371A
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Abstract
The invention discloses a fixing device for a gas relay calibrator, which comprises a supporting unit and a fixing unit, wherein the fixing unit is fixed above the supporting unit; the movable unit moves along the upper part of the supporting unit, a fixed cavity with variable width is formed between the movable unit and the fixed unit, and a fixed area for gas relay calibration is formed between the fixed cavity with variable width and the supporting unit and is used for fixing a gas relay to be calibrated; during the check-up, treat that the check-up buchholz relay arranges the support element top in, the mobile unit passes through the power pack and provides power and removes along the support element for the width adjustment of fixed chamber is to and treats the check-up buchholz relay matching back, realizes treating the fixed of check-up buchholz relay. In this embodiment, utilize power pack, realized controllable automatic centre gripping, use manpower sparingly, raise the efficiency.
Description
Technical Field
The invention relates to the technical field of auxiliary tools for checking and detecting electrical equipment, in particular to a fixing device for a gas relay checking instrument.
Background
The gas relay is applied to transformer protection, can send out a fault alarm when the oil immersed power transformer is abnormal, and can quickly remove fault equipment from a power grid, thereby reducing the occurrence of power accidents and improving the safety and reliability of power social security operation. The gas relay calibrator is used for testing the heavy gas protection action flow rate, the light gas protection action volume and the gas relay sealing test of a transformer in a power system, testing the opening and closing pressure of a pressure relief valve, and automatically printing by a pressure difference method for simulating faults in the transformer and measuring instantaneous pulse flow rate values, microcomputer measurement and control, digital display and automatic printing. In the buchholz relay check gauge, it is always more time-consuming and energy-consuming to buchholz relay's fixed, mainly be among the prior art, buchholz relay's fixed, promote through manpower manual, in promoting, mobile unit's structure is heavier, if female operative employee, can't directly realize whole fixed centre gripping process, and simultaneously, manpower promotes, whole mobile unit's displacement is difficult to hold, the precision is poor, produce the centre gripping easily and do not fasten, clamping device and waiting to check up buchholz relay have the clearance, influence check up effect scheduling problem.
Summary of the invention
The invention aims to solve the technical problem that the defects in the prior art are overcome, and the fixing device for the gas relay calibrator is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a fixing device for a gas relay calibrator comprises,
a support unit for supporting the support unit,
a fixing unit fixed above the supporting unit;
the movable unit moves along the upper part of the supporting unit, a fixed cavity with variable width is formed between the movable unit and the fixed unit, and a fixed area for gas relay calibration is formed between the fixed cavity with variable width and the supporting unit and is used for fixing a gas relay to be calibrated;
during the check-up, treat that the check-up buchholz relay arranges the support element top in, the mobile unit passes through the power pack and provides power and removes along the support element for the width adjustment of fixed chamber is to and treats the check-up buchholz relay matching back, realizes treating the fixed of check-up buchholz relay.
As a further improvement of the present invention, the supporting unit includes a table, a supporting rod supporting the table, and a base disposed below the supporting rod.
As a further improvement of the invention, the support rod penetrates through the workbench, an adjusting bolt is arranged below the workbench, and the support rod is provided with a thread matched with the adjusting bolt.
As a further improvement of the invention, a sleeve unit is arranged on the base, and the support rod is sleeved in the sleeve unit.
The gas relay to be verified and the fixed unit are arranged in the movable unit, the gas relay to be verified and the movable unit are arranged in the movable unit, and the gas relay to be verified and the movable unit are arranged on the same side of the movable unit.
As a further improvement of the invention, the fixing unit is connected with the tool plate through a second positioning pin.
As a further improvement of the invention, the gas relay checking fixture further comprises a sealing strip, and the tooling plate and the gas relay to be checked are sealed through the sealing strip.
As a further improvement of the invention, the device also comprises a supporting platform arranged on the supporting unit, the supporting platform comprises a plurality of stacked object placing platforms, the upper end and the lower end of each object placing platform are respectively provided with a jack, and the stacked support between the adjacent object placing platforms is realized through a screw rod in the jack.
As a further improvement of the invention, the support unit is provided with a slide rail, the bottom of the moving unit is provided with a slide block, and the slide block moves along the slide rail under the action of the power unit.
As a further improvement of the present invention, the fixing unit and the moving unit are respectively provided with a first through hole and a second through hole, and during verification, the first through hole and the second through hole are located on the shaft holes of the same horizontal line.
The invention has the following beneficial effects:
in the invention, the fixed area is formed by the three units, and compared with the simple clamping at two sides and the clamping and supporting in three directions, the stability of the gas relay to be verified in the whole verification process can be ensured, the safety of the whole verification process is improved, and the efficiency is improved.
In the invention, the whole fixed area is adjusted by utilizing the mobile unit, so that the gas relays with different widths and different types can be matched, the whole application range is expanded, and the gas relay fixing device is more suitable for industrial popularization and application.
In the invention, the power unit is adopted to push the moving unit to move along the supporting unit, the whole movement is automatic, the labor is saved, the precision can be improved, the fixing and clamping efficiency in the whole verification is improved, and the cost is greatly saved. Specifically, the air cylinder unit can be used as a power unit, and compared with a screw rod and the like, the air cylinder has the advantages that pushing thrust controllability is higher, pneumatic thrust is constant, moving precision is convenient to adjust, and the whole fixing precision is higher; the cylinder unit is more laborsaving, if adopt the manpower to press from both sides tightly, not only hard, the leakproofness is poor moreover.
Drawings
Fig. 1 is a schematic structural view of a fixing device for a buchholz relay calibrator provided in the present invention;
fig. 2 is a front view of a fixing device for a buchholz relay calibrator according to the present invention;
FIG. 3 is a schematic structural diagram of a power unit provided by the present invention;
FIG. 4 is a schematic diagram of a mobile unit according to the present invention;
FIG. 5 is a schematic structural diagram of a fixing unit provided in the present invention;
description of reference numerals:
100. a support unit; 110. a work table; 120. a support bar; 130. a base; 140. adjusting the bolt; 150. a sleeve unit; 160. a slide rail; 200. a fixing unit; 210. a first through hole; 300. a mobile unit; 310. a slider; 320. a second through hole; 400. a fixed cavity; 500. a power unit; 600. assembling a plate; 610. a first mounting hole; 620. a second mounting hole; 700. a first positioning pin; 800. a second positioning pin; 900. a support table; 910. a placing table; 1. a sealing strip.
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that functional, methodological, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.
Example 1
This embodiment, referring to fig. 1-2, mainly describes a core assembly of a fixing device for a buchholz relay calibrator, including,
the support unit 100 is provided with a support member,
a fixing unit 200, wherein the fixing unit 200 is fixed above the supporting unit 100;
the movable unit 300 moves above the supporting unit 100, a fixed cavity 400 with variable width is formed between the movable unit 300 and the fixed unit 200, and a fixed area for the buchholz relay to be verified is formed between the fixed cavity 400 with variable width and the supporting unit 100 and is used for fixing the buchholz relay to be verified;
during the calibration, the buchholz relay to be calibrated is arranged above the supporting unit 100, the moving unit 300 provides power through the power unit 500 to move along the supporting unit 100, so that the width of the fixed cavity 400 is adjusted to be matched with the buchholz relay to be calibrated, and the buchholz relay to be calibrated is fixed.
In this embodiment, through three unit, form fixed area, compare in simple both sides centre gripping, the centre gripping and the support of three direction can ensure whole check-up, treat the stability of check-up buchholz relay, have promoted the security of whole check-up process, have improved efficiency.
In the embodiment, the whole fixed area is adjusted by the mobile unit, so that the gas relays with different widths and different types can be matched, the whole application range is expanded, and the gas relay fixing device is more suitable for industrial popularization and application.
In this embodiment, adopt power pack, promote the mobile unit and remove along the support element, whole removal is automatic, uses manpower sparingly, can improve the precision, has improved fixed centre gripping efficiency in the whole check-up, has greatly saved the cost. Specifically, the air cylinder unit can be used as a power unit, and compared with a screw rod and the like, the air cylinder has the advantages that pushing thrust controllability is higher, pneumatic thrust is constant, moving precision is convenient to adjust, and the whole fixing precision is higher; the cylinder unit is more laborsaving, if adopt the manpower to press from both sides tightly, not only hard, the leakproofness is poor moreover.
When using this embodiment, at first, will wait to check that buchholz relay arranges in supporting element 100, and supporting element 100 adjusts to suitable height, and at this moment, wait to check that buchholz relay one side is fixed in on fixed unit 200 through pin etc. control power unit 500 specifically, adopts the cylinder, promotes mobile unit 300, slowly is close to from a distance and waits to check that buchholz relay to laminating completely, realizes fixedly.
In this embodiment, utilize the easy principle of controlling of cylinder, drive whole mobile unit 300 and remove to realize final whole fixed, treat the check gas relay promptly, one side is fixed, and the opposite side is through automatic the control unit control mobile unit, in order to realize that mobile unit and fixed unit form fixed chamber, the function of check gas relay is treated in the centre gripping.
Example 2
In this embodiment, the support unit is mainly used for description.
Referring to fig. 1, in the present embodiment, the supporting unit 100 includes a table 110, a supporting rod 120 supporting the table 110, and a base 130 disposed below the supporting rod 120. Set up solitary workstation 110, be convenient for place and treat the check-up buchholz relay, and bracing piece 120 for follow-up whole support element's altitude mixture control, provides probably, base 130 can protect bracing piece 120, if do not have base 130, directly arranges ground etc. in, the bracing piece that easily wears and teares, leads to part bracing piece bottom unstable, reduces stability.
Specifically, the support rod 120 penetrates through the workbench 110, an adjusting bolt 140 is arranged below the workbench 110, and a thread matched with the adjusting bolt 140 is arranged on the support rod 120. Compared with an expansion link and the like, the adjusting bolt 140 is convenient to adjust, the height of the workbench 110 can be adjusted by rotating the bolt, the adjustment is easy to realize, time and labor are saved, and the efficiency is higher. And the screw thread adjustment can finely tune, compares in the telescopic link, and the adjustment is more accurate.
Specifically, the base 130 is provided with a sleeve unit 150, and the supporting rod 120 is sleeved in the sleeve unit 150.
Compared with the mode of bolts and the like, the sleeve unit 150 is easy to disassemble and assemble and can be directly inserted, the bottom of the supporting rod 120 is directly inserted and is directly pulled out after use, the disassembling and assembling are convenient, and the assembling and disassembling speed is improved.
Example 3
In this embodiment, the description is made with reference to a tooling plate.
Referring to fig. 1-2, still be provided with the frock board 600 that is used for the frock, wait to check between buchholz relay and the fixed unit 200, and wait to check buchholz relay and be close to mobile unit 300 one side, be provided with respectively frock board 600, wait to check buchholz relay with through first locating pin 700 location between frock board 600. Specifically, the tooling plate 600 can be provided with a plurality of models, and then match different buchholz relays to be verified, and is connected with the fixing unit 200 the tooling plate 600 is provided with a plurality of first mounting holes 610 for matching the first positioning pin 700.
Further, referring to fig. 1, the fixing unit 200 is connected to the tooling plate 600 by a second positioning pin 800. Further, a second mounting hole 620 may be provided on the tooling plate 600 to facilitate mounting of the second positioning pin 800.
The installation mode of the positioning pin is adopted, so that the installation and the positioning can be ensured, the assembly is simple, and the efficiency is high.
Referring to the attached drawing 1, in order to realize a sealed environment, the gas relay testing fixture further comprises a sealing strip 1, and the tooling plate 600 is sealed with the gas relay to be verified through the sealing strip 1.
Set up sealing strip 1, mainly be in order to ensure the sealed in the installation, of course, can also set up the sealing strip between frock board and fixed unit, in this embodiment, the sealing strip adopts the rubber pad of circle structure, and is with low costs, acquires easily.
Referring to fig. 1 to 5, the supporting table 900 is disposed on the supporting unit 100, the supporting table 900 includes a plurality of stacked object placing tables 910, the upper and lower ends of each object placing table 910 are provided with insertion holes (not shown), and the adjacent object placing tables 910 are stacked and supported by screws in the insertion holes. Referring to fig. 4 to 5, in the present embodiment, in order to realize sliding, a sliding rail 160 is disposed on the supporting unit 100, and a sliding block 310 is disposed at the bottom of the moving unit 300, and under the action of the power unit 500, the sliding block 310 moves along the sliding rail 160.
In order to ensure the communication of air passages during installation, the fixing unit 200 and the moving unit 300 are respectively provided with a first through hole 210 and a second through hole 320, and during verification, the first through hole 210 and the second through hole 320 are located on the shaft holes of the same horizontal line. In actual use, the first through hole and the second through hole are respectively communicated with an air hole or an oil hole of a gas relay to be checked and are arranged on the same horizontal line, so that the whole air path or oil path can be ensured to be on the same horizontal line, and the checking efficiency is improved.
Example 4
In the present embodiment, description will be given with specific use.
Referring to fig. 1 to 5, in the present embodiment, the fixing unit 200 is a fixing plate, and the supporting unit 100 includes a table 110 formed in a plate-shaped structure, a supporting rod 120, an adjusting bolt 140, a sleeve unit 150, and a base 130, the supporting rod 120 is mounted on the base 130 through the sleeve unit 150 on the base 130, a mounting hole is formed in the table 110, the supporting rod 120 is disposed through the mounting hole, and then the height of the table 110 is controlled by adjusting the adjusting bolt 140 on the supporting rod 120 and under the table 110.
During the use, adjust whole workstation 110 to suitable height through adjusting bolt 140, then through the stack between the thing platform 910 of putting of different quantity, realize the adjustment of a supporting bench 900 height, specifically, set up the poroid cell body respectively at every two sides of putting the thing platform 910, on adjacent putting the thing platform 910, the poroid cell body of different faces corresponds, utilizes the screw rod of putting into, realizes the location after stacking fixedly.
Can set up the recess at the upper surface of brace table 900 for place and treat the check-up buchholz relay, adopt the second locating pin to realize fixture plate and fixed unit's fixed in advance, then utilize first locating pin, realize treating the fixed of check-up buchholz relay and fixture plate. Through the cylinder assembly, the mobile unit 300 is controlled to a proper position, and then the gas relay to be checked in the fixed cavity is fixedly clamped.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A fixing device for a gas relay calibrator is characterized by comprising,
a support unit for supporting the support unit,
a fixing unit fixed above the supporting unit;
the movable unit moves along the upper part of the supporting unit, a fixed cavity with variable width is formed between the movable unit and the fixed unit, and a fixed area for gas relay calibration is formed between the fixed cavity with variable width and the supporting unit and is used for fixing a gas relay to be calibrated;
during the check-up, treat that the check-up buchholz relay arranges the support element top in, the mobile unit passes through the power pack and provides power and removes along the support element for the width adjustment of fixed chamber is to and treats the check-up buchholz relay matching back, realizes treating the fixed of check-up buchholz relay.
2. The fixing device for the gas relay calibration instrument according to claim 1, wherein the supporting unit comprises a workbench, a supporting rod for supporting the workbench, and a base arranged below the supporting rod.
3. The fixing device for the gas relay calibrator according to claim 2, wherein the support rod penetrates through the workbench, an adjusting bolt is arranged below the workbench, and threads matched with the adjusting bolt are arranged on the support rod.
4. The fixing device for the gas relay calibration instrument according to claim 3, wherein a sleeve unit is arranged on the base, and the support rod is sleeved in the sleeve unit.
5. The fixing device for the gas relay calibrator according to claim 2, further comprising a tooling plate, wherein the tooling plate is respectively arranged between the gas relay to be calibrated and the fixing unit and on one side of the gas relay to be calibrated close to the moving unit, and the gas relay to be calibrated and the tooling plate are positioned through a first positioning pin.
6. The fixing device for the gas relay calibration instrument according to claim 5, wherein the fixing unit is connected with the tool plate through a second positioning pin.
7. The fixing device for the gas relay calibrator according to claim 5, further comprising a sealing strip, wherein the tool plate and the gas relay to be calibrated are sealed through the sealing strip.
8. The fixing device for the gas relay calibration instrument according to any one of claims 1 to 7, further comprising a support platform arranged on the support unit, wherein the support platform comprises a plurality of stacked object placing platforms, the upper end and the lower end of each object placing platform are provided with insertion holes, and the adjacent object placing platforms are stacked and supported through screws in the insertion holes.
9. The fixing device for the gas relay calibration instrument as claimed in any one of claims 1 to 7, wherein a slide rail is arranged on the supporting unit, a slide block is arranged at the bottom of the moving unit, and the slide block moves along the slide rail under the action of the power unit.
10. The fixing device for the gas relay calibration instrument according to any one of claims 1 to 7, wherein the fixing unit and the moving unit are respectively provided with a first through hole and a second through hole, and the first through hole and the second through hole are positioned on the shaft holes on the same horizontal line during calibration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110050956.2A CN112666371A (en) | 2021-01-15 | 2021-01-15 | Fixing device for gas relay calibrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110050956.2A CN112666371A (en) | 2021-01-15 | 2021-01-15 | Fixing device for gas relay calibrator |
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| Publication Number | Publication Date |
|---|---|
| CN112666371A true CN112666371A (en) | 2021-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110050956.2A Pending CN112666371A (en) | 2021-01-15 | 2021-01-15 | Fixing device for gas relay calibrator |
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| CN (1) | CN112666371A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114397570A (en) * | 2022-01-24 | 2022-04-26 | 郑州赛奥电子股份有限公司 | Gas relay calibration device |
-
2021
- 2021-01-15 CN CN202110050956.2A patent/CN112666371A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114397570A (en) * | 2022-01-24 | 2022-04-26 | 郑州赛奥电子股份有限公司 | Gas relay calibration device |
| CN114397570B (en) * | 2022-01-24 | 2022-10-25 | 郑州赛奥电子股份有限公司 | Gas relay calibration device |
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