CN203690263U - Device for assembling thyristor valve string - Google Patents
Device for assembling thyristor valve string Download PDFInfo
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- CN203690263U CN203690263U CN201320815785.9U CN201320815785U CN203690263U CN 203690263 U CN203690263 U CN 203690263U CN 201320815785 U CN201320815785 U CN 201320815785U CN 203690263 U CN203690263 U CN 203690263U
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- thyristor
- laser
- valve string
- thyristor valve
- assembling
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- 230000001360 synchronised effect Effects 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000005484 gravity Effects 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 7
- 238000005259 measurement Methods 0.000 abstract description 4
- 238000002788 crimping Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000012212 insulator Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model provides a device for assembling a thyristor valve string, wherein the assembly of the thyristor valve string is realized by means of a laser geometric measurement system and an electric synchronous hydraulic hollow jack. Firstly, a thyristor and a heat radiator are positioned by the laser geometric measurement system. Secondly, the thyristor and the heat radiator are jacked to rated working positions by the electric synchronous hydraulic hollow jack. In this way, the pressure of the jack is slowly released, so that the thyristor and the heat radiator are kept in a working state under the effect of the pressure generated by a belleville spring. Compared with the prior art, the device used for assembling the thyristor valve string and provided by the utility model ensures the accurate positioning of the thyristor and the heat radiator. Under the control of the measurement system, the electric hydraulic jack applies a load in such a manner that during the entire crimping process, the load is applied slowly at a uniform speed. Therefore, the force conduction is more uniform.
Description
Technical field
The utility model relates to a kind of device of assembled valve string, specifically relates to a kind of device of assembling thyristor valve string.
Background technology
The most crucial technology of direct current transportation concentrates on current conversion station equipment, current conversion station has been realized in DC transmission engineering direct current and has been exchanged mutual power conversion, except having at alternating-current field the equipment that AC Substation is identical, also has following peculiar equipment: converter valve, control protection system, converter transformer, alternating current filter and reactive-load compensation equipment, DC filter, smoothing reactor and DC fields equipment, and converter valve is the nucleus equipment in current conversion station, its major function is to carry out AC-DC conversion, develop into present automatically controlled and photo-thyristor valve from initial mercury, converter valve unit capacity is in continuous increase.
Thyristor valve assembly, as shown in Figure 1, comprises water route and high potential electronic unit (TE plate) in thyristor valve heap, RC loop, mechanical folder support and insulator, thyristor valve assembly.Wherein, thyristor valve heap is made up of two string thyristor valve string inverse parallels, and every string thyristor valve string intersects by n thyristor and radiator the closed assembly of connecting and forms.Due to the special internal structure of thyristor device itself, lead to super-high-current time, for reducing contact heat resistance, reduce heating, must apply enough large pressure in its both ends of the surface.
Thyristor, as shown in Figure 2, its profile is patty, patty IGBT and its structural similarity, upper/lower terminal face is useful on the dowel hole of installing and using.When assembling, intersect mutual closed assembly by radiator and thyristor, between radiator and thyristor, be used for guaranteeing that with alignment pin radiator and thyristor are concentric, as shown in Figure 3, produce pressure by the disk spring distortion of a side, make whole string valve body be operated in rated condition.
In assembling process, because valve string need to bear larger pressure, be generally tens kN or larger.If radiator and thyristor center, not at same straight line, are accompanied by ever-increasing pressure, very likely valve string is broken.
Utility model content
In order to address the above problem, the utility model provides a kind of device and method of assembling thyristor valve string, guarantee the accurate location of thyristor and radiator, by measuring system control electric hydraulic lifting jack imposed load, make whole crimping process in slow pressurized state at the uniform velocity, power conduction is more even.
The purpose of this utility model is to adopt following technical proposals to realize:
A kind of device of assembling thyristor valve string that the utility model provides, described device is by compressing the thyristor valve string in DC power transmission line, make described thyristor valve string remain on operating state, comprise laser geometric measuring unit and the hollow jack of electric synchronous hydraulic pressure, the laser pickoff of described laser geometric measuring unit is connected by signal with the controller of the hollow jack of described electric synchronous hydraulic pressure; Described thyristor valve string is included on the insulated tension pole of vertical setting from top to bottom distinguishes horizontally disposed upper mechanical folder, disk spring, thyristor, radiator and lower mechanical folder, and described thyristor and radiator interval are arranged under the overlay; Its improvements are, on the horizontal plane of described upper and lower end machinery folder, be respectively equipped with the laser pickoff of laser geometric measuring unit, the side of described radiator is respectively equipped with generating laser and the laser pickoff of laser geometric measuring unit, and the hollow jack of described electric synchronous hydraulic pressure is arranged on the inner side of described upper and lower end machinery folder and compresses described disk spring, thyristor and radiator.
Wherein, described radiator is square, and its adjacent two sides are respectively provided with a pair of described generating laser and laser pickoff, and described generating laser and laser pickoff formation L-type facade.
Wherein, the quantity that laser pickoff is set on the horizontal plane of described upper and lower end machinery folder is more than or equal to 3.
Wherein, in the laser pickoff of described upper and lower end machinery folder setting, the rarest 3 laser pickoffs receive the signal that in described laser geometric measuring unit, the horizontal laser light reflector of setting is launched take gravity as benchmark simultaneously respectively.
Wherein, described thyristor is patty.
Wherein, or be patty IGBT.
Wherein, described upper and lower end machinery folder is fixed by clamp nut.
Wherein, between described upper mechanical folder and disk spring, be provided with puller bolt.
Compared with prior art, the beneficial effect that the utility model reaches is:
1, adopt laser measuring technique, the horizontal parallel degree that comprises upper and lower side machinery folder is measured, and thyristor two ends radiator plane parallelism is measured and replaced level meter, slide calliper rule, the square of transmission to measure, and more high accuracy is provided.
2, by measuring system control electric hydraulic lifting jack imposed load, make whole crimping process in slow pressurized state at the uniform velocity, power conduction is more even.
3, reduced personnel's input, enhanced productivity.
4, avoided puller bolt under larger pressure, between screw thread pair because of the excessive problem that cannot be screwed into of frictional resistance.
Accompanying drawing explanation
Fig. 1 is: the structural representation of thyristor valve assembly;
Fig. 2 is: the structural representation of thyristor;
Fig. 3 is: the structural representation of thyristor valve string;
Fig. 4 is: the structural representation of the laser geometric measuring unit of the device of the assembling thyristor valve string that the utility model provides;
Fig. 5 is: the laser measurement flatness schematic diagram of the laser geometric measuring unit of the device of the assembling thyristor valve string that the utility model provides;
Wherein: 1, upper mechanical folder; 2, spring guide rail; 3, disk spring; 4, thyristor; 5, radiator; 6, alignment pin; 7, lower mechanical folder; 8, setscrew nut; 9, machinery mount and insulator; 10, RC loop; 11, high potential electronic component (TE plate); 12, thyristor valve heap; 13, water route in thyristor valve assembly.
Embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
The present embodiment take assembling thyristor valve string device as example, as shown in Fig. 4 to Fig. 5, the device laser geometric measuring unit of the assembling thyristor valve string that the utility model embodiment provides and the hollow jack of electric synchronous hydraulic pressure, the laser pickoff of laser geometric measuring unit is connected by signal with the controller of the hollow jack of electric synchronous hydraulic pressure; Thyristor valve string is included on the insulated tension pole of vertical setting from top to bottom distinguishes horizontally disposed upper mechanical folder, disk spring, thyristor, radiator and lower mechanical folder, and thyristor and radiator interval are arranged under the overlay; On the horizontal plane of upper and lower end machinery folder, be respectively equipped with 3 laser pickoffs, and 3 laser pickoffs receive the signal that in laser geometric measuring unit, the horizontal laser light reflector of setting is launched take gravity as benchmark simultaneously; The adjacent two sides of square radiator are respectively provided with a pair of generating laser and laser pickoff, and generating laser and laser pickoff formation L-type facade; The hollow jack of electric synchronous hydraulic pressure is arranged on the inner side of upper and lower end machinery folder and compresses disk spring, thyristor and radiator.
Wherein, thyristor is patty; Or be patty IGBT.
Wherein, upper and lower end machinery folder is fixed by clamp nut; Between upper mechanical folder and disk spring, be provided with puller bolt.
Wherein, the method for assembling thyristor valve string, comprises the steps:
1, first, horizontal laser light reflector and insulated tension pole are installed take gravity as benchmark, lower mechanical folder are horizontally set on to one end of insulated tension pole simultaneously, and arrange laser pickoff on the horizontal plane of lower mechanical folder;
2, horizontal laser light reflector Emission Lasers plane, the clamp nut of adjustment lower mechanical folder, until three receivers on lower mechanical folder can receive laser signal simultaneously;
3, the upper mechanical folder being parallel to each other at other end setting and the lower mechanical folder of insulated tension pole, and arrange laser pickoff on the horizontal plane of upper mechanical folder, by adjusting the clamp nut of upper mechanical folder, make three receivers on upper mechanical folder can receive laser signal simultaneously simultaneously;
4, between upper and lower end machinery folder, interval is arranged under the overlay thyristor and radiator, forms thyristor valve string, and between upper mechanical folder and thyristor valve string, disk spring is set;
5, on the adjacent side of square radiator, generating laser and laser pickoff are all installed, and are formed L shaped facade; Guarantee that radiator is concentric simultaneously and be parallel to each other, the laser pickoff of each radiator remains in same plane;
6, use the hollow jack of electric synchronous hydraulic pressure to compress thyristor valve string along the direction of thyristor and radiator center line; Reach behind nominal operation position at thyristor valve string, puller bolt is screwed onto with top pressure side and is contacted;
7, slowly discharge the pressure of the hollow jack of electric synchronous hydraulic pressure, the pressure that the pressure that disk spring produces due to distortion simultaneously replaces the hollow jack of electric synchronous hydraulic pressure to produce, makes thyristor valve string remain on operating state; So far thyristor valve string assembling finishes.
Wherein, described step 6, in the hollow jack course of work of electric synchronous hydraulic pressure, the laser pickoff on radiator outputs signal to the controller of the hollow jack of electric synchronous hydraulic pressure, by the path increment work of the hollow jack of controller control electric synchronous hydraulic pressure; When wherein arbitrary radiator is because the eccentric laser pickoff that makes departs from after plane, controller sends immediately instruction and stops the hollow jack work of electric synchronous hydraulic pressure.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit, although the utility model is had been described in detail with reference to above-described embodiment, those of ordinary skill in the field are to be understood that: still can modify or be equal to replacement embodiment of the present utility model, and do not depart from any modification of the utility model spirit and scope or be equal to replacement, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (8)
1. assemble the device of thyristor valve string for one kind, described device is by compressing the thyristor valve string in DC power transmission line, make described thyristor valve string remain on operating state, comprise laser geometric measuring unit and the hollow jack of electric synchronous hydraulic pressure, the laser pickoff of described laser geometric measuring unit is connected by signal with the controller of the hollow jack of described electric synchronous hydraulic pressure; Described thyristor valve string is included on the insulated tension pole of vertical setting from top to bottom distinguishes horizontally disposed upper mechanical folder, disk spring, thyristor, radiator and lower mechanical folder, and described thyristor and radiator interval are arranged under the overlay;
It is characterized in that, on the horizontal plane of described upper and lower end machinery folder, be respectively equipped with the laser pickoff of laser geometric measuring unit, the side of described radiator is respectively equipped with generating laser and the laser pickoff of laser geometric measuring unit, and the hollow jack of described electric synchronous hydraulic pressure is arranged on the inner side of described upper and lower end machinery folder and compresses described disk spring, thyristor and radiator.
2. the device of assembling thyristor valve string as claimed in claim 1, it is characterized in that, described radiator is square, and its adjacent two sides are respectively provided with a pair of described generating laser and laser pickoff, and described generating laser and laser pickoff formation L-type facade.
3. the device of assembling thyristor valve string as claimed in claim 1, is characterized in that, the quantity that laser pickoff is set on the horizontal plane of described upper and lower end machinery folder is more than or equal to 3.
4. the device of assembling thyristor valve string as claimed in claim 3, it is characterized in that, in the laser pickoff of described upper and lower end machinery folder setting, the rarest 3 laser pickoffs receive the signal that in described laser geometric measuring unit, the horizontal laser light reflector of setting is launched take gravity as benchmark simultaneously respectively.
5. the device of assembling thyristor valve string as claimed in claim 1, is characterized in that, described thyristor is patty.
6. the device of assembling thyristor valve string as claimed in claim 5, is characterized in that, described thyristor is patty IGBT.
7. the device of assembling thyristor valve string as claimed in claim 1, is characterized in that, described upper and lower end machinery folder is fixed by clamp nut.
8. the device of assembling thyristor valve string as claimed in claim 1, is characterized in that, between described upper mechanical folder and disk spring, is provided with puller bolt.
Priority Applications (1)
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CN201320815785.9U CN203690263U (en) | 2013-12-10 | 2013-12-10 | Device for assembling thyristor valve string |
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CN201320815785.9U CN203690263U (en) | 2013-12-10 | 2013-12-10 | Device for assembling thyristor valve string |
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CN201320815785.9U Expired - Lifetime CN203690263U (en) | 2013-12-10 | 2013-12-10 | Device for assembling thyristor valve string |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106654010A (en) * | 2016-12-15 | 2017-05-10 | 北京平高清大科技发展有限公司 | Crimping-type power electronic device valve group with crimping tool and crimping method thereof |
CN113809025A (en) * | 2021-08-13 | 2021-12-17 | 国电南瑞科技股份有限公司 | Radiator, thyristor group string module and crimping method thereof |
-
2013
- 2013-12-10 CN CN201320815785.9U patent/CN203690263U/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106654010A (en) * | 2016-12-15 | 2017-05-10 | 北京平高清大科技发展有限公司 | Crimping-type power electronic device valve group with crimping tool and crimping method thereof |
CN113809025A (en) * | 2021-08-13 | 2021-12-17 | 国电南瑞科技股份有限公司 | Radiator, thyristor group string module and crimping method thereof |
CN113809025B (en) * | 2021-08-13 | 2024-05-24 | 国电南瑞科技股份有限公司 | Radiator, thyristor string module and crimping method thereof |
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Granted publication date: 20140702 |