CN205228592U - Adjustable connecting rod suitable for transformer pointer -type oil meter - Google Patents
Adjustable connecting rod suitable for transformer pointer -type oil meter Download PDFInfo
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- CN205228592U CN205228592U CN201521055478.0U CN201521055478U CN205228592U CN 205228592 U CN205228592 U CN 205228592U CN 201521055478 U CN201521055478 U CN 201521055478U CN 205228592 U CN205228592 U CN 205228592U
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- oil meter
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Abstract
The utility model discloses an adjustable connecting rod suitable for transformer pointer -type oil meter, even under the less condition of oil level fluctuation range, also can be through adjusting rod and pointer axis fixed point position control connecting rod length, the vertical height of floater is adjusted through the length adjustment subassembly, equally can the normal indication oil level, and can let transformer oil face pointer -type oil meter when the highest instruct in the biggest (MAX) position, the pointer -type oil meter was instructed in minimum (MIN) position when the oil level dropped to the safety line in the transformer, the oil level gaugember can reach alarming point, and alarming signals are output, satisfy equipment operation relay protection's requirement, the operational reliability of greatly increased transformer.
Description
Technical field
A kind of adjustable connecting-rod, particularly a kind of adjustable connecting-rod being applicable to transformer pointer-type oil meter.
Background technology
At present, the change of the many employings of oil-filled transformer pointer oil meter display oil level, and it has the function of the output alarm signal when the highest oil level (MAX) and minimum oil level (MIN), the pointer of pointer-type oil meter can indicate the scope at ° (MIN) angle 120 ° of (MAX) ~ 240, normal oil level indicates usually near 180 ° near level, be often referred to pin type oil meter and be furnished with a straight connecting rod at fuel tank internal, connecting rod one end is fixed in the rotating shaft of oil meter, the connecting rod other end is with ball float, the relative position of connecting rod and indicator rotating shaft can be in harmonious proportion the pointer synchronous axial system of oil meter, connecting rod is with ball float one end, ball float carrys out drivening rod with the rise and fall of pasta and rotates centered by the rotating shaft of oil meter, namely with indicator central rotating shaft for the center of circle, length of connecting rod is radius, the chord length that hexagonal angle is corresponding is liquid fluctuating scope, thus realize the effect of instruction pasta, this just requires that the center-mount location of oil meter should be contour with liquid level, now oil meter pointer is near 180 °, conform to oil surface level, its control method is when pasta changes greatly, need by ball float to pointer shaft distance adjust far increase chord length, pasta change hour, need by ball float to pointer shaft distance adjust closely reduce chord length, at some hermetic oil-filled transformers, such as: American box substation, mining oil-filled transformer, wind power transformer, photovoltaic transformer station etc., because fuel tank internal needs to arrange position switch, high-tension fuse, high-voltage tap changer, low-voltage lead copper bar etc., and electric pressure is high, interior space is narrow limited, also needs to arrange pressure relief valve, gas relay, fuse handle and air relief cock also by the restriction of control box position, outside in the control box of fuel tank outside, therefore the installation site of oil meter pointer is difficult to guarantee center and normal level of liquid in same horizontal plane, and the change of pasta and variation of ambient temperature, loading condition in using, there is the relation of more complicated, and adopt the pointer oil meter of the pointer oil meter ball float of ball float and pasta controls to need when a high position lower than air relief cock, fusing exposure can not be made to go out pasta when lowest order, due to limited space, oil level indicator arranges a high position or status can not arrive alarm set point.And losing relay protection ability and remote monitoring ability, this causes a hidden trouble to the use of transformer and equipment; Prior art is unresolved such problem also.
Utility model content
For solving the deficiencies in the prior art, even if the purpose of this utility model is to provide a kind of when pasta fluctuation range is less, also can by adjustment connecting rod and pointer axis point of fixity position adjustments length of connecting rod, the vertical height of ball float is regulated by length adjustment assembly, normally can indicate oil level equally, and transformer oil surface pointer-type oil meter when the highest can be allowed to indicate in maximum (MAX) position, when in transformer, pasta drops to safety line, the instruction of pointer-type oil meter is in minimum (MIN) position, oil level indicator can arrive alarm set point, output alarm signal, meet the requirement that equipment runs relay protection, greatly increase the operational reliability of transformer.
In order to realize above-mentioned target, the utility model adopts following technical scheme:
Be applicable to the adjustable connecting-rod of transformer pointer-type oil meter, comprise: pointer oil meter, the waling stripe of pointer oil meter location mid-shaft is fixed in activity, is rotatably connected in the vertical connecting rod of waling stripe, be connected to the ball float of vertical connecting rod, be connected to the length adjustment assembly between vertical connecting rod and ball float.
The aforesaid adjustable connecting-rod being applicable to transformer pointer-type oil meter, vertical connecting rod is vertical connecting rod, and length adjustment assembly composition has: be fixed on the shackle member on vertical connecting rod, to be fixed on ball float and to be connected in the connecting link of shackle member.
The aforesaid adjustable connecting-rod being applicable to transformer pointer-type oil meter, shackle member is set nut, and connecting link is the ball float screw rod be rotatably connected on set nut.
The aforesaid adjustable connecting-rod being applicable to transformer pointer-type oil meter, is fixed with pointer axis lock-screw between pointer oil meter and waling stripe.
The aforesaid adjustable connecting-rod being applicable to transformer pointer-type oil meter, is provided with rotating shaft between waling stripe and vertical connecting rod.
The aforesaid adjustable connecting-rod being applicable to transformer pointer-type oil meter, waling stripe is provided with the limiting card preventing connecting rod from reversing downwards.
Usefulness of the present utility model is: even if the utility model provides a kind of when pasta fluctuation range is less, also can by adjustment connecting rod and pointer axis point of fixity position adjustments length of connecting rod, i.e. the length of adjustable waling stripe, the vertical height of ball float is regulated by length adjustment assembly, namely the length of vertical connecting rod is regulated, efficiently solve the problem that oil meter installation site is limited, the adjustment of horizontal level point of fixity simultaneously, the setting of liquid level in maximum (MAX) and minimum (MIN) position can be met, even if this efficiently solves when level change is little, also the range of pointer oil meter can be made to meet the demands the requirement of hexagonal angle indicating range, be conducive to the monitoring ensureing pasta fluctuation range, can when maximum (MAX) and minimum (MIN), output alarm signal, meet relay protection, the requirement of remote monitoring, greatly increase the operational reliability of transformer.
Accompanying drawing explanation
Fig. 1 is the front elevation of a kind of embodiment of the utility model;
Fig. 2 is the rear view of a kind of embodiment of the utility model;
The implication of Reference numeral in figure:
1 waling stripe, 2 rotating shafts, 3 limiting cards, 4 vertical connecting rods, 5 ball float screw rods, 6 set nuts, 7 ball floats, 8 pointer oil meters, 9 pointer axis lock-screws.
Embodiment
Below in conjunction with the drawings and specific embodiments, concrete introduction is done to the utility model.
Be applicable to the adjustable connecting-rod of transformer pointer-type oil meter, comprise: pointer oil meter 8, the waling stripe 1 of pointer oil meter 8 location mid-shaft is fixed in activity, be rotatably connected in the vertical connecting rod 4 of waling stripe 1, be connected to the ball float 7 of vertical connecting rod 4, be connected to the length adjustment assembly between vertical connecting rod 4 and ball float 7.Preferred as one, be fixed with pointer axis lock-screw 9 between pointer oil meter 8 and waling stripe 1.Rotating shaft 2 is provided with between waling stripe 1 and vertical connecting rod 4.
Vertical connecting rod 4 is vertical connecting rod, and length adjustment assembly composition has: be fixed on the shackle member on vertical connecting rod, to be fixed on ball float 7 and to be connected in the connecting link of shackle member; As shown in Figure 1, 2, as a kind of embodiment, shackle member is set nut 6, and connecting link is ball float 7 screw rod 5 be rotatably connected on set nut 6.It should be noted that, shackle member and connecting link also can be other active card connection devices, as long as can change length all within protection domain of the present utility model by changing clamping position.The length of vertical connecting rod 4 can regulate vertical height by the set nut 6 on ball float 7 screw rod 5, ball float 7 provides buoyancy when transformer oil surface rise and fall, traction link also passes through rotating shaft 2, interlock waling stripe 1, waling stripe 1 is equidirectional with angle with the pointer of pointer oil meter 8, fixed by pointer axis lock-screw 9, vertical connecting rod 4 and ball float 7 screw rod 5 of this device can be suitable for differing heights, waling stripe 1 is fixed with pointer axis lock-screw 9, can use the liquid fluctuating of different range, the connection rotating shaft 2 of connecting rod can adapt to angular adjustment automatically.
Ineffective in order to prevent connecting rod from reversing downwards, waling stripe 1 is provided with the limiting card 3 preventing connecting rod from reversing downwards.
Regulated the vertical height of ball float 7 by length adjustment assembly, namely regulate the length of vertical connecting rod 4, waling stripe 1 is adjustable with pointer axis point of fixity position, i.e. the length of adjustable waling stripe 1, this efficiently solves the limited problem in oil meter installation site, the adjustment of horizontal level point of fixity simultaneously, the setting of liquid level in maximum (MAX) and minimum (MIN) position can be met, even if this efficiently solves when level change is little, also the range of pointer oil meter can be made to meet the demands the requirement of hexagonal angle indicating range, be conducive to the monitoring ensureing pasta fluctuation range, can when maximum (MAX) and minimum (MIN), output alarm signal, meet relay protection, the requirement of remote monitoring, for the reliability service of transformer equipment provides safeguard, this utility model utilizes rotating shaft 2 connecting rod principle cleverly, all the time buoyancy is upwards decomposed into the tractive force of level and connecting rod, pass through regulatory function, the installation site of convenient table meter, there is good versatility.
More than show and describe ultimate principle of the present utility model, principal character and advantage.The technician of the industry should understand, and above-described embodiment does not limit the utility model in any form, the technical scheme that the mode that all employings are equal to replacement or equivalent transformation obtains, and all drops in protection domain of the present utility model.
Claims (6)
1. be applicable to the adjustable connecting-rod of transformer pointer-type oil meter, it is characterized in that, comprise: pointer oil meter, the waling stripe of above-mentioned pointer oil meter location mid-shaft is fixed in activity, be rotatably connected in the vertical connecting rod of above-mentioned waling stripe, be connected to the ball float of above-mentioned vertical connecting rod, be connected to the length adjustment assembly between above-mentioned vertical connecting rod and ball float.
2. the adjustable connecting-rod being applicable to transformer pointer-type oil meter according to claim 1, it is characterized in that, above-mentioned vertical connecting rod is vertical connecting rod, above-mentioned length adjustment assembly composition has: be fixed on the shackle member on above-mentioned vertical connecting rod, to be fixed on above-mentioned ball float and to be connected in the connecting link of above-mentioned shackle member.
3. the adjustable connecting-rod being applicable to transformer pointer-type oil meter according to claim 2, it is characterized in that, above-mentioned shackle member is set nut, and above-mentioned connecting link is the ball float screw rod be rotatably connected on above-mentioned set nut.
4. the adjustable connecting-rod being applicable to transformer pointer-type oil meter according to claim 1, is characterized in that, be fixed with pointer axis lock-screw between above-mentioned pointer oil meter and waling stripe.
5. the adjustable connecting-rod being applicable to transformer pointer-type oil meter according to claim 1, is characterized in that, is provided with rotating shaft between above-mentioned waling stripe and vertical connecting rod.
6. the adjustable connecting-rod being applicable to transformer pointer-type oil meter according to claim 1, it is characterized in that, above-mentioned waling stripe is provided with the limiting card preventing connecting rod from reversing downwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521055478.0U CN205228592U (en) | 2015-12-17 | 2015-12-17 | Adjustable connecting rod suitable for transformer pointer -type oil meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521055478.0U CN205228592U (en) | 2015-12-17 | 2015-12-17 | Adjustable connecting rod suitable for transformer pointer -type oil meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205228592U true CN205228592U (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521055478.0U Active CN205228592U (en) | 2015-12-17 | 2015-12-17 | Adjustable connecting rod suitable for transformer pointer -type oil meter |
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| Country | Link |
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| CN (1) | CN205228592U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108489575A (en) * | 2018-03-14 | 2018-09-04 | 国网天津市电力公司电力科学研究院 | Float light shading type transformer optical fiber oil level indicator |
| CN110715064A (en) * | 2019-10-31 | 2020-01-21 | 宁波华成阀门有限公司 | Interval display liquid level meter, display method thereof and gas cylinder valve comprising interval display liquid level meter |
| CN111022746A (en) * | 2019-12-11 | 2020-04-17 | 马鞍山斯博尔机械技术服务有限公司 | Full-automatic hydraulic remote control floating ball valve |
| CN111157080A (en) * | 2020-01-16 | 2020-05-15 | 江苏建筑职业技术学院 | Urban grade separation underground passage water level warning system |
| CN114061703A (en) * | 2021-11-17 | 2022-02-18 | 河北机电职业技术学院 | Oil level monitoring and alarming device for automobile hydraulic system |
-
2015
- 2015-12-17 CN CN201521055478.0U patent/CN205228592U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108489575A (en) * | 2018-03-14 | 2018-09-04 | 国网天津市电力公司电力科学研究院 | Float light shading type transformer optical fiber oil level indicator |
| CN110715064A (en) * | 2019-10-31 | 2020-01-21 | 宁波华成阀门有限公司 | Interval display liquid level meter, display method thereof and gas cylinder valve comprising interval display liquid level meter |
| CN110715064B (en) * | 2019-10-31 | 2022-04-15 | 宁波华成阀门有限公司 | Interval display liquid level meter, display method thereof and gas cylinder valve comprising interval display liquid level meter |
| CN111022746A (en) * | 2019-12-11 | 2020-04-17 | 马鞍山斯博尔机械技术服务有限公司 | Full-automatic hydraulic remote control floating ball valve |
| CN111157080A (en) * | 2020-01-16 | 2020-05-15 | 江苏建筑职业技术学院 | Urban grade separation underground passage water level warning system |
| CN114061703A (en) * | 2021-11-17 | 2022-02-18 | 河北机电职业技术学院 | Oil level monitoring and alarming device for automobile hydraulic system |
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| GR01 | Patent grant |