A kind of converter valve thyristor press-loading device
Technical field
The present invention relates to a kind of converter valve device of electric power system, specifically relate to a kind of converter valve thyristor press-loading device.
Background technology
In electric power system, converter valve is very important dc power transmission equipment, and thyristor is the core parts of this equipment.In converter valve, several thyristors and thyristor radiator are fitted in by very big pressure to be formed thyristor together and press-fits integrated (TCA, Thyristor Clamp Assembly) unit.As the key component of converter valve, thyristor press-fits integrated (TCA) unit press-fit quality, safety, the stable operation of converter valve is played crucial effects.At present, it is power source that external press-loading device all adopts hydraulic pressure, but press-mounting platform is too simple, the practicality inconvenience of getting up, and different thyristors press-fits integrated (TCA) unit also has corresponding requirement to press-mounting platform, therefore can't satisfy fully to press-fit needs.
Summary of the invention
The purpose of this invention is to provide a kind of simple in structure, easy to operate, movable, the rotation converter valve thyristor press-loading device.
To achieve these goals, the present invention adopts following technical scheme:
A kind of converter valve thyristor press-loading device, it comprises fluid head and assembly platform, this assembly platform comprises desk, press-fits pin, press-fits base, gravity block, pin, on transfer piece and switching piece down; This press-fits base is a cubic structure, and upper surface is smooth smooth, press-fits base and is connected with desk by a pin rotating mechanism; A pair ofly press-fit pin, and be fixed on the sidewall that press-fits base, be fixed with two transverse slats on the pin press-fiting perpendicular to the upper surface that press-fits base.
A kind of optimized technical scheme provided by the invention is: the described pin rotating mechanism of stating comprises switching piece, a pair of switching piece and a pin down; Last switching piece is fixed on and press-fits middle part, base side wall lower end, two pieces of transferring down are in the both sides of switching piece, and be fixed on the upper surface of desk, on transfer piece and two down the switching pieces flexibly connect the moving connecting mechanism of they common formations similar " door hinge " by pin; Press-fit base and be positioned at an end of desk, and be connected with desk, press-fit the equal upper surface that freely is positioned over desk of other parts of bottom of base by described moving connecting mechanism.
Second kind of optimized technical scheme provided by the invention is: describedly press-fit the base right side and also be provided with the smooth smooth gravity block of lower surface, this gravity block is with to press-fit pin relative across press-fiting base, and coupling is used.
The third optimized technical scheme provided by the invention is: describedly press-fit pin and be vertically fixed on the sidewall that press-fits base, and the distance between the pin is more bigger than the width that radiator and thyristor press-fit integrated package, form little matched in clearance, thyristor press-fits integrated package and can just be vertically placed on and press-fit between the pin.
Compared with prior art, the beneficial effect that reaches of the present invention:
(1) this press-loading device design has been adopted pin to link and has been gone up lower connecting block, make this press-loading device to rotate, made things convenient for press-mounting platform and thyristor to press-fit falling of integrated package, thereby the thyristor that convenient carrying has press-fited press-fit integrated package and place new assembly.This design greatly reduces operation easier, has improved to press-fit efficient.
(2) since this press-loading device specialized designs press-fit pin, the location that press-fits integrated package for radiator and thyristor provides benchmark, has guaranteed that radiator and thyristor press-fit the position consistency of integrated package.Avoid before press-fiting, constantly adjusting the trouble of module position like this, improved production efficiency.
(3) the base right side wall that press-fits of this press-loading device is provided with a gravity block, and this gravity block is the center of gravity of equilibrium pressure mounting mechanism well, prevents from the press-mounting platform rotary moveable to occur when vertically press-fiting, and has guaranteed to press-fit the safety of process.
Description of drawings
Fig. 1 is the front view that is placed with of the present invention a kind of converter valve thyristor press-loading device of converter valve;
Fig. 2 is the front view of the assembly platform of a kind of converter valve thyristor press-loading device of the present invention;
Fig. 3 is the right view of the assembly platform of a kind of converter valve thyristor press-loading device of the present invention;
The front view of (containing converter valve) when Fig. 4 keeps flat for a kind of converter valve thyristor press-loading device of the present invention;
Fig. 5 is the structural representation that press-fits base of a kind of converter valve thyristor press-loading device of the present invention;
Fig. 6 press-fits integrated structural representation for the thyristor of a kind of converter valve thyristor press-loading device of the present invention;
Wherein: the 1-fluid head, the 2-thyristor press-fits integrated package, the 3-desk, 4-press-fits pin, and 5-press-fits base, the 6-gravity block, the 7-pin, the 8-transverse slat, the last switching of 9-piece, 10-be the switching piece down.
Embodiment
Below in conjunction with drawings and Examples a kind of converter valve thyristor press-loading device of the present invention is described in detail.
Shown in Fig. 1-5, a kind of converter valve thyristor press-loading device of the present invention comprises that a fluid head 1, a thyristor press-fit integrated package and an assembly platform.This assembly platform comprises desk 3, press-fits base 5, gravity block 6, press-fit pin 4, pin 7, transverse slat 8, on transfer piece 9 and switching piece 10 down.The upper surface of the desk 3 of assembly platform is smooth smooth, what its right-hand member was being placed a cubic structure press-fits base 5, this upper surface that press-fits smooth smooth, lower surface of the upper surface of base 5 and desk 3 fits tightly together, and press-fit base 5 by " door hinge " structure go up switching piece 9 and the piece 10 of transferring down is connected with the desk 3 of assembly platform.Should go up switching piece 9 by screw at the middle part, left side wall lower end that press-fits base, two down switching pieces 10 be in the both sides of switching piece 9, and flexibly connect by a pin 7 and last switching piece 9, two pieces 10 of transferring down by screw on desk 3.By pin 7 with go up switching piece 9, the relatively rotating between the piece 10 of transferring down, just realized the rotating function of pin rotating mechanism.Vertically fix two on the top of the left side wall that press-fits base 5 and press-fited pin 4.This press-fits pin 4 perpendicular to the upper surface that press-fits base 5, and the distance between the pin is bigger slightly than the width that radiator and thyristor press-fit integrated unit, thyristor press-fits integrated (TCA), and the unit can just be vertically placed on press-fits between the pin 4, connects root simultaneously and press-fits and also equally spaced fixed two transverse slats 8 on the pin.When the placement thyristor press-fits integrated package and radiator, can locate easily like this, prevent from press-fiting process, constantly to adjust module position, save the time greatly, improve efficient.Be provided with a smooth smooth gravity block 6 of lower surface on the right side wall of base press-fiting, the size of this gravity block 6 and weight are all through reasonably design, be used for this assembly platform of balance, prevent from press-fiting process, the problem that base rotates to the left to occur press-fiting, guaranteed the stability and the fail safe of operating process like this owing to left and right sides unbalance stress.On the top of whole assembly platform is a fluid head that is complementary with it 1, and this fluid head 1 is used for assemblies such as the thyristor that will place and radiator and press-fits.
The process that press-fits that below thyristor is press-fited integrated package 2 is done simple introduction:
(1) thyristor being press-fited integrated (TCA) unit housing is positioned over and press-fits on the base 5;
(2) parts such as radiator, thyristor alternately are placed on thyristor and press-fit in integrated (TCA) unit housing, in put procedure, radiator will be close to and press-fit pin 4.Radiator is a positioning reference to press-fit pin 4, and thyristor is that positioning reference is vertically piled up to guarantee radiator, thyristor with the radiator;
(3) after all parts assembling that thyristor is press-fited integrated package 2 is finished, fluid head 1 is assembled in thyristor press-fits on the integrated package 2, and by hydraulic pressurization, and maintain the pressure certain hour, finish thyristor and press-fit integrated package and press-fit;
(4) assembly platform and thyristor are press-fited integrated package 2 and fell together, after waiting to set level, take thyristor away and press-fit integrated package 2.Figure 4 shows that platform fell the back state.
Fig. 6 press-fits integrated structural representation for the thyristor of a kind of converter valve thyristor press-loading device of the present invention, and thyristor press-fits integrated (TCA) comprises thyristor, thyristor radiator, metal end plate, insulation board and busbar; Be inlaid with the dish spring that is in compressive state in metal end plate inside; The dish spring is fitted in thyristor and thyristor radiator together closely, and by the stiction that pressure assembling force and pressure assembling force produced, thyristor press-fits integral body of integrated formation; The effect of busbar is the conducting electric current; Metal end plate and insulation board form thyristor jointly and press-fit integrated outside framework.
A kind of converter valve thyristor press-loading device of the present invention is being on the basis of power source with hydraulic pressure, utilizes the pin rotating mechanism to design movable, rotatable assembly platform.In press-fiting process, operating personnel's thyristor that can fall easily press-fits integrated unit 2, has so both reduced operation easier, can raise the efficiency again.Since this press-loading device specialized designs thyristor press-fit integrated pin, the location that press-fits integrated package for radiator and thyristor provides benchmark, has guaranteed that radiator and thyristor press-fit the position consistency of integrated package.Avoid before press-fiting, constantly adjusting the trouble of module position like this, improved production efficiency.The right side wall that the thyristor of this press-loading device press-fits integrated base is provided with a gravity block, and this gravity block is the center of gravity of equilibrium pressure mounting mechanism well, prevents from the press-mounting platform rotary moveable to occur when vertically press-fiting, and has guaranteed to press-fit the safety of process.On the whole, a kind of converter valve thyristor press-loading device of the present invention is simple in structure, easy to operate, safe and reliable, time saving and energy saving, can perform well in press-fiting of converter valve thyristor.
Should be noted that at last: only illustrate that in conjunction with the foregoing description technical scheme of the present invention is not intended to limit.Those of ordinary skill in the field are to be understood that: those skilled in the art can make amendment or are equal to replacement the specific embodiment of the present invention, but these modifications or change are all among the claim protection range that application is awaited the reply.