CN204694553U - A kind of oil clearance cushion block compressibility measurement mechanism - Google Patents
A kind of oil clearance cushion block compressibility measurement mechanism Download PDFInfo
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- CN204694553U CN204694553U CN201520324527.XU CN201520324527U CN204694553U CN 204694553 U CN204694553 U CN 204694553U CN 201520324527 U CN201520324527 U CN 201520324527U CN 204694553 U CN204694553 U CN 204694553U
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- clearance cushion
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Abstract
The utility model discloses a kind of oil clearance cushion block compressibility measurement mechanism, it comprises base, leverage and measuring mechanism, leverage comprises column and lever, described column is arranged on base, one end of lever is connected rotationally with column, and oil clearance cushion block is located on base, and measuring mechanism is located between lever and oil clearance cushion block, by applying constant pressure to the other end of lever, described measuring mechanism can measure the height of now oil clearance cushion block.This device can while measurement oil clearance cushion block compressibility, and realize the Constant pressure drying of oil clearance cushion block accurately, the reference value of the measurement data obtained is high.
Description
Technical field
The utility model belongs to transformer technology field, is specifically related to oil clearance cushion block compressibility measurement mechanism in a kind of transformer coil.
Background technology
At present, the classic method of the oil clearance cushion block compressibility in measuring transformer coil is: measure the thickness of oil clearance cushion block with pressing machine before transformer coil drying or after drying and calculate oil clearance cushion block compressibility, being used further to the Design and manufacture of transformer coil to the data obtained after suitably revising.The shortcoming of this computing method is adopted to be, do not consider the actual conditions of coil drying, because in actual production, coil carries out drying, Constant pressure drying can promote homogeneity and the compactness of oil clearance cushion block fibr tissue, make the size of oil clearance cushion block more stable, mechanical property is more superior.And above-mentioned traditional measuring method is not exactly measured the compressibility of oil clearance cushion block in Constant pressure drying process, that is, measurement mechanism of the prior art while measurement oil clearance cushion block compressibility, cannot realize the Constant pressure drying of oil clearance cushion block.Therefore, its measurement result, with producing actual having greater difference, can not reflect the truth of transformer coil dry run.
Utility model content
Technical problem to be solved in the utility model is according to prior art above shortcomings, a kind of oil clearance cushion block compressibility measurement mechanism is provided, this device can while measurement oil clearance cushion block compressibility, realize the Constant pressure drying of oil clearance cushion block accurately, namely can reflect the actual conditions of transformer coil drying in oil clearance cushion block compressibility measuring process truly.
The technical scheme that solution the utility model technical matters adopts is that this oil clearance cushion block compressibility measurement mechanism comprises base, leverage and measuring mechanism, leverage comprises column and lever, described column is arranged on base, one end of lever is connected rotationally with column, oil clearance cushion block is located on base, measuring mechanism is located between lever and oil clearance cushion block, and by applying constant pressure to the other end of lever, described measuring mechanism can measure the height of now oil clearance cushion block.
Preferably, this device also includes load maintainer, and described load maintainer is connected with lever one end away from column, for applying constant pressure to lever.
Further preferably, described load maintainer comprises multiple counterweight.
Preferably, described lever comprises transverse arm and oblique arm, described transverse arm is arranged in the horizontal direction, described oblique arm and horizontal direction are obliquely installed, and transverse arm and oblique arm connect as one, and one end of transverse arm is connected with column, one end of oblique arm is connected with load maintainer, the length of oblique arm is greater than transverse arm, and the height of one end that oblique arm is connected with loading structure is greater than the height of transverse arm, and oil clearance cushion block is arranged on position corresponding with transverse arm on base.
Preferably, the weight loading range of load maintainer is 0 ~ 200kg, and the load scope of oil clearance cushion block is 0 ~ 3000kg.
Preferably, described base, column, lever, measuring mechanism and load maintainer all adopt material that is high temperature resistant, corrosion-resistant, vacuum-resistant pressure to make.
Further preferably, described high temperature resistant temperature range is 120 ~ 130 degree, and corrosion-resistant is the gas attack of resistance to kerosene, and vacuum-resistant pressure limit is below 10Pa.
The utility model oil clearance cushion block compressibility measurement mechanism mainly a kind of lever pressure structure, adopt gravitational load mode to measure compressibility, its structure is simple, practicality simple to operate, and does not rely on extra power power.
Particularly, the beneficial effect of the utility model oil clearance cushion block compressibility measurement mechanism is as follows:
(1) adopt the data measured by this device truly to reflect the actual conditions of transformer coil drying, measurement result and production actual conditions basically identical, the reference value of measurement data is high;
(2) rational in infrastructure, practicality simple to operate: need not transform for drying oven and process in operation, and can bear the impact of dry furnace high-temperature, high vacuum and kerosene steam, does not need to rely on extra power power simultaneously;
(3) measuring accuracy is high: oil clearance cushion block before it is dried, in dry run, dry after do not need repeated disassembled and assembled when measuring in this three phases, stopped the measuring error because the dismounting of oil clearance cushion block secondary brings, measured data more accurately, true.
Accompanying drawing explanation
Fig. 1 is the structural representation of oil clearance cushion block compressibility measurement mechanism in the utility model embodiment 1.
In figure: 1-base; 2-lever; 3-measuring mechanism; 4-load maintainer; 5-oil clearance cushion block; 6-column.
Embodiment
Below in conjunction with the accompanying drawing in the utility model, carry out clear, complete description to the technical solution of the utility model, obviously, the embodiments described below are a part of embodiments of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of the utility model protection.
The utility model provides a kind of oil clearance cushion block compressibility measurement mechanism, comprise base, leverage and measuring mechanism, leverage comprises column and lever, described column is arranged on base, one end of lever is connected rotationally with column, and oil clearance cushion block is located on base, and measuring mechanism is located between lever and oil clearance cushion block, by applying constant pressure to the other end of lever, described measuring mechanism can measure the height of now oil clearance cushion block.
Embodiment 1:
As shown in Figure 1, in the present embodiment, this oil clearance cushion block compressibility measurement mechanism comprises base 1, leverage and measuring mechanism 3.Described leverage comprises column 6 and lever 2.Preferably, this device also includes load maintainer 4.
Wherein, column 6 is fixedly installed on base 1, and one end of lever 2 is connected by bearing pin rotationally with column 6, forms the fulcrum of leverage.Load maintainer 4 is connected with lever one end away from column, for applying constant pressure to lever.Oil clearance cushion block 5 is located on base 1, oil clearance cushion block 5 is between base 1 and measuring mechanism 3, when applying constant pressure to lever 2 by load maintainer 4, then can realize executing stressed function to oil clearance cushion block 5 by the transmission effect of lever to power, thus form the structure of oil clearance cushion block forced compression, the height of oil clearance cushion block can be measured by measuring mechanism 3.And by change the weight of charger and adjustable oil clearance cushion block 5 bear the size of pressure.
In the present embodiment, lever 2 comprises transverse arm and oblique arm, described transverse arm is arranged in the horizontal direction, described oblique arm and horizontal direction are obliquely installed, and transverse arm and oblique arm connect as one, and one end of transverse arm is connected with column, one end of oblique arm is connected with load maintainer, the length of oblique arm is greater than transverse arm, and the height of one end that oblique arm is connected with loading structure is greater than the height of transverse arm, and oil clearance cushion block 5 is arranged on position corresponding with transverse arm on base.
In the present embodiment, the weight loading range of described load maintainer is 0 ~ 200kg, and the load scope of described oil clearance cushion block is 0 ~ 3000kg.The transverse arm of lever and the length of oblique arm set according to this load scope.
Wherein, measuring mechanism 3 specifically adopts the reference platform can measuring oil clearance cushion block height.
In the present embodiment, described load maintainer comprises multiple counterweight.The free end of lever is hung oneself and is provided with bearing platform, and described counterweight is placed on this bearing platform.
Preferably, described base 1, column 6, lever 2, measuring mechanism 3 and load maintainer 4 all adopt material that is high temperature resistant, corrosion-resistant, vacuum-resistant pressure to make.
Wherein, described high temperature resistant temperature range is specially 120 ~ 130 degree, and corrosion-resistant is the gas attack of resistance to kerosene, and vacuum-resistant pressure limit is below 10Pa.
Particularly, in the present embodiment, described base 1, column 6, lever 2, measuring mechanism 3 and load maintainer 4 all adopt steel to make, and are coated with the paint of corrosion-and high-temp-resistant gas outside the steel of total.
Adopt the process of the measurement device compressibility in the present embodiment as follows: the first step, oil clearance cushion block is placed on base 1 in a device, by loading the counterweight of constant weight thus constant pressure can be applied to oil clearance cushion block on bearing platform, the measurement of dry front compressibility now can be carried out; Second step, moved in drying oven by whole device and carry out drying, now oil clearance cushion block is in Constant pressure drying state; 3rd step, releases drying oven by this device after drying, carries out the measurement of dry rear oil clearance cushion block compressibility.After above-mentioned three steps, with regard to complete three important steps achieving oil clearance cushion block compressibility truly and measure, i.e. the measurement of dry front compressibility, the process process of Constant pressure drying, and the measurement of dry rear compressibility.In the middle of these three links, oil clearance cushion block is in pressure constant state always, and oil clearance cushion block does not carry out dismounting repeatedly, therefore adopt this device to the dried journey of oil clearance cushion block in compressibility measuring process and production actual conditions completely the same, the measurement result of compressibility is closer to the truth of coil drying.
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (7)
1. an oil clearance cushion block compressibility measurement mechanism, it is characterized in that, comprise base, leverage and measuring mechanism, leverage comprises column and lever, and described column is arranged on base, and one end of lever is connected rotationally with column, oil clearance cushion block is located on base, measuring mechanism is located between lever and oil clearance cushion block, and by applying constant pressure to the other end of lever, described measuring mechanism can measure the height of now oil clearance cushion block.
2. device according to claim 1, is characterized in that, this device also includes load maintainer, and described load maintainer is connected with lever one end away from column, for applying constant pressure to lever.
3. device according to claim 2, is characterized in that, described load maintainer comprises multiple counterweight.
4. device according to claim 2, it is characterized in that, described lever comprises transverse arm and oblique arm, and described transverse arm is arranged in the horizontal direction, and described oblique arm and horizontal direction are obliquely installed, transverse arm and oblique arm connect as one, one end of transverse arm is connected with column, and one end of oblique arm is connected with load maintainer, and the length of oblique arm is greater than transverse arm, and the height of one end that oblique arm is connected with loading structure is greater than the height of transverse arm, oil clearance cushion block is arranged on position corresponding with transverse arm on base.
5. device according to claim 4, is characterized in that, the weight loading range of load maintainer is 0 ~ 200kg, and the load scope of oil clearance cushion block is 0 ~ 3000kg.
6. the device according to any one of claim 2-5, is characterized in that, described base, column, lever, measuring mechanism and load maintainer all adopt material that is high temperature resistant, corrosion-resistant, vacuum-resistant pressure to make.
7. device according to claim 6, is characterized in that, described high temperature resistant temperature range is 120 ~ 130 degree, and corrosion-resistant is the gas attack of resistance to kerosene, and vacuum-resistant pressure limit is below 10Pa.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520324527.XU CN204694553U (en) | 2015-05-19 | 2015-05-19 | A kind of oil clearance cushion block compressibility measurement mechanism |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520324527.XU CN204694553U (en) | 2015-05-19 | 2015-05-19 | A kind of oil clearance cushion block compressibility measurement mechanism |
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| CN204694553U true CN204694553U (en) | 2015-10-07 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105841949A (en) * | 2016-05-16 | 2016-08-10 | 西安建筑科技大学 | Automatic control device and method for testing performance of flange node under bidirectional load combined action |
| CN105973695A (en) * | 2016-07-29 | 2016-09-28 | 湖南科技大学 | Constant pressure loading device for similarity simulation experiments |
| CN106370531A (en) * | 2016-08-29 | 2017-02-01 | 国网内蒙古东部电力有限公司 | Mechanical property testing method of transformer coil cushion block |
| CN107907559A (en) * | 2017-11-13 | 2018-04-13 | 无锡威孚力达催化净化器有限责任公司 | A kind of test device of pad for auto-exhaust catalyst |
| CN109900547A (en) * | 2019-03-21 | 2019-06-18 | 镇江市建设工程质量检测中心有限公司 | A kind of horizontal press |
-
2015
- 2015-05-19 CN CN201520324527.XU patent/CN204694553U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105841949A (en) * | 2016-05-16 | 2016-08-10 | 西安建筑科技大学 | Automatic control device and method for testing performance of flange node under bidirectional load combined action |
| CN105973695A (en) * | 2016-07-29 | 2016-09-28 | 湖南科技大学 | Constant pressure loading device for similarity simulation experiments |
| CN106370531A (en) * | 2016-08-29 | 2017-02-01 | 国网内蒙古东部电力有限公司 | Mechanical property testing method of transformer coil cushion block |
| CN107907559A (en) * | 2017-11-13 | 2018-04-13 | 无锡威孚力达催化净化器有限责任公司 | A kind of test device of pad for auto-exhaust catalyst |
| CN107907559B (en) * | 2017-11-13 | 2020-10-27 | 无锡威孚力达催化净化器有限责任公司 | Testing device for gasket of automobile exhaust catalyst |
| CN109900547A (en) * | 2019-03-21 | 2019-06-18 | 镇江市建设工程质量检测中心有限公司 | A kind of horizontal press |
| CN109900547B (en) * | 2019-03-21 | 2024-05-07 | 镇江市建设工程质量检测中心有限公司 | Horizontal press |
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