CN106532280B - Hydropower generator machine presses rectangular bus bar connection method - Google Patents
Hydropower generator machine presses rectangular bus bar connection method Download PDFInfo
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- CN106532280B CN106532280B CN201611183893.3A CN201611183893A CN106532280B CN 106532280 B CN106532280 B CN 106532280B CN 201611183893 A CN201611183893 A CN 201611183893A CN 106532280 B CN106532280 B CN 106532280B
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- slot
- gear shaping
- bar
- table top
- longitudinal length
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/10—Connectors or connections adapted for particular applications for dynamoelectric machines
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- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses a kind of hydropower generator machines to press rectangular bus bar connection method, is needing the rectangular copper bus-bar connecting pin connected to process to form tooth, slot interval shape respectively first；Gear shaping on first is inserted into the second slot；Second lower gear shaping is inserted into the first slot, gear shaping following table face contact on the first table top and second, and the second table top is contacted with the first lower gear shaping upper surface；Then bolt is penetrated into the first bolt hole and the second bolt hole is fixedly connected.The invention has the advantages that improving the security reliability of hydroelectric station operation, calorific value is low, and temperature rise is low, and junction conductor thermal stability is good；The phase spacing of conductor connection rectangular copper bus-bar does not change, and junction conductor dynamic stability is good；The conductor skin effect coefficient of rectangular copper bus-bar junction reduces, and kindred effect coefficient also reduces, and the electric conductivity ability of conductor connection is strong；The electric energy loss of rectangular copper bus-bar junction is low.
Description
Technical field
The present invention relates to hydropower generator machines to press rectangular bus bar, presses rectangular bus bar more particularly, to hydropower generator machine
Connection method.
Background technique
Medium hydropower station generator machine pressure bus lead-out wire to main transformer circuit generallys use rectangular bus bar, bus length
It is differed up to more than ten meters to tens meters, the more hydropower generator machine pressure bus length of installation number of units is up to hundreds of meters.Power station
The safe and reliable operation of generator machine pressure bus directly influences the reliability service in entire power station, and the installation of rectangular bus bar is usually adopted
Copper material is generally used with modes, the current-carrying conductor such as open type installation and common box bus installation.With China's economic development, create
Or the medium hydropower station generator machine pressure bus of reconstruction mostly uses common box bus device, common box bus device characteristic is electrical energy transportation
Capacity is big, good insulation preformance, high safety and reliability, container body of outer cover are rigidly good, intensity is big, bearing capacity is strong etc..Existing market and work
Biggish its material of common box bus device of amount used in Cheng Jianshe uses porcelain or silicon rubber post insulator using copper, insulation
Son, container body of outer cover use the weak magnetic cold-rolled steel sheet with a thickness of 1.2~1.5mm, and connector and reinforcing rib use common angle steel, every section
Supply 2~3m of length, for medium hydropower station generator machine pressure bus length up to 100 meters of common box bus device, there is about 30
A bus connecting node needs building-site to connect.No matter the installation of hydropower generator machine pressure rectangular bus bar uses open type to pacify
Dress or common box bus mounting means, rectangular bus bar connection at present, which is all made of overlap joint spiral shell as shown in Figure 7 and connects mode, to be attached,
Have the following problems: 1, rectangular copper bus-bar carries out overlap joint spiral shell and connects mode, carries out merely with a side of rectangular copper bus-bar electrical
Connection, junction conductor contact surface are not the contact that fits like a glove, and contact resistance is big, and calorific value increases, and temperature rise is increased, and junction is led
Body heat stability reduces, and there are security risks.2, rectangular copper bus-bar carry out overlap joint spiral shell connect mode, the thickness of junction conductor is
The thickness of double rectangular copper bus-bar, copper busbar phase spacing accordingly reduce, and junction conductor dynamic stability reduces.3, rectangle copper
Bus carries out overlap joint spiral shell and connects mode, and alternating current distribution density is uneven in rectangular bus bar conductor, and the skin effect coefficient of conductor increases
Greatly, kindred effect coefficient also increases, and is deteriorated in the conductive capability of conductor connection.4, rectangular copper bus-bar carries out overlap joint spiral shell company side
Formula, there are energy losses for rectangular bus bar conductor connection.
Summary of the invention
It is an object of that present invention to provide a kind of hydropower generator machines to press rectangular bus bar connection method.
To achieve the above object, the present invention takes following technical proposals:
Hydropower generator machine of the present invention presses rectangular bus bar connection method, carries out as steps described below:
The first step two needs the rectangular copper bus-bar connecting pin that connects to process by numerically-controlled machine tool to be formed between tooth, slot respectively
Every shape；That is:
The first table top is processed in the connecting pin upper face of the first rectangular copper bus-bar, in the lower part for being located at first table top
The first slot is processed on stage body, the connection end of first slot from first rectangular copper bus-bar is longitudinally parallel in
One table top opens up, longitudinal length of the longitudinal length less than the first table top of the first slot, structure between the first slot and the first table top
The first lower gear shaping is constituted at gear shaping on first, between the first slot and the first rectangular copper bus-bar lower face；Then perpendicular to first
Table top processes the first bolt hole, and first bolt hole is opened up through gear shaping on described first and the first lower gear shaping；
The second table top is processed in the connecting pin lower face of the second rectangular copper bus-bar, on the top for being located at second table top
The second slot is processed on stage body, the connection end of second slot from second rectangular copper bus-bar is longitudinally parallel in
Two table tops open up, longitudinal length of the longitudinal length less than the second table top of the second slot, structure between the second slot and the second table top
At the second lower gear shaping, gear shaping on second is constituted between the second slot and the second rectangular copper bus-bar upper face；Then perpendicular to second
Table top processes the second bolt hole, and second bolt hole is opened up through gear shaping on described second and the second lower gear shaping；
The groove width and longitudinal length of the thickness of gear shaping and longitudinal length and second slot match on described first；Institute
The groove width and longitudinal length of the thickness and longitudinal length and first slot of stating the second lower gear shaping match；
Gear shaping on described first is inserted into second slot by second step；The described second lower gear shaping is inserted into simultaneously at this time
In first slot, gear shaping following table plane-plane contact on first table top and described second, under second table top and described first
Gear shaping upper surface face contact；Then bolt is penetrated into first bolt hole and the second bolt hole is fixedly connected.
The invention has the advantages that improving the security reliability of hydroelectric station operation, its advantages are mainly reflected in lower section
Face:
1, the connecting pin between rectangular copper bus-bar interconnected is carried out electrically by three sides of rectangular copper bus-bar
Connection, conductor connection contact resistance is small, and calorific value is low, and temperature rise is low, and junction conductor thermal stability is good.
2, between rectangular copper bus-bar interconnected, the thickness of junction conductor and the thickness of rectangular copper bus-bar are equal, lead
The phase spacing of body junction rectangular copper bus-bar does not change, and junction conductor dynamic stability is good.
3, the conductor skin effect coefficient of rectangular copper bus-bar junction reduces, and kindred effect coefficient also reduces, conductor connection
The electric conductivity ability at place is strong.
4, the electric energy loss of rectangular copper bus-bar junction is low.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of first rectangular copper bus-bar processed according to the method for the present invention.
Fig. 2 is the structural schematic diagram of second rectangular copper bus-bar processed according to the method for the present invention.
Fig. 3 is the structural schematic diagram after the first rectangular copper bus-bar and the second rectangular copper bus-bar connection of the present invention.
Fig. 4 is the three-dimensional reference view of Fig. 1.
Fig. 5 is the three-dimensional reference view of Fig. 2.
Fig. 6 is the three-dimensional reference view of Fig. 3.
Fig. 7 is the structural schematic diagram that existing hydropower generator machine presses rectangular bus bar that overlap joint spiral shell is taken to connect mode.
Specific embodiment
It elaborates with reference to the accompanying drawing to the embodiment of the present invention, the present embodiment before being with technical solution of the present invention
It puts and is implemented, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not limited to down
State embodiment.
As shown in figures 1 to 6, hydropower generator machine of the present invention presses rectangular bus bar connection method, as steps described below
It carries out:
The first step at two sections needs the rectangular copper bus-bar connecting pin that connects to process to form tooth, slot by numerically-controlled machine tool respectively
It is spaced shape；That is:
The first table top 2 is processed in the connecting pin upper face of the first rectangular copper bus-bar 1, in the lower part for being located at First face 2
The first slot 3 is processed on stage body, the connection end of the first slot 3 from the first rectangular copper bus-bar 1 is longitudinally parallel in First
Face 2 opens up, longitudinal length of the longitudinal length less than the first table top 2 of the first slot 3, structure between the first slot 3 and the first table top 2
At gear shaping 4 on first, the first lower gear shaping 5 is constituted between 1 lower face of the first slot 3 and the first rectangular copper bus-bar；Then perpendicular to
First table top 2 processes four the first bolts hole 6, and four the first bolts hole 6 are opened through gear shaping 4 on first and the first lower gear shaping 5
If；
The second table top 8 is processed in the connecting pin lower face of the second rectangular copper bus-bar 7, on the top for being located at the second table top 8
The second slot 9 is processed on stage body, the connection end of the second slot 9 from the second rectangular copper bus-bar 7 is longitudinally parallel in second
Face 8 opens up, longitudinal length of the longitudinal length less than the second table top 8 of the second slot 9, structure between the second slot 9 and the second table top 8
At the second lower gear shaping 10, gear shaping 11 on second is constituted between 7 upper face of the second slot 9 and the second rectangular copper bus-bar；Then vertical
The second bolt hole 12 is processed in the second table top 8, the second bolt hole 12 is opened up through gear shaping 11 on second and the second lower gear shaping 10；
The groove width and longitudinal length of the thickness of gear shaping 4 and longitudinal length and the second slot 9 match on first；Second underthrust
The thickness and longitudinal length of tooth 10 and the groove width and longitudinal length of the first slot 3 match；
Gear shaping 4 on first is inserted into the second slot 9 by second step；The second lower gear shaping 10 is inserted into the first slot 3 simultaneously at this time
Interior, 11 following table plane-plane contact of gear shaping on the first table top 2 and second, the second table top 8 and first descends 5 upper surface face contact of gear shaping；So
Four bolts 13 the first bolt hole 6 is penetrated afterwards to be fixedly connected with the second bolt hole 12.
When practical manufacture, longitudinal length of the longitudinal length of gear shaping 4 less than the first lower gear shaping 5 on first；Second lower gear shaping
10 longitudinal length less than second on gear shaping 11 longitudinal length, in this way, connection after two sections of rectangular copper bus-bars connecting portion
Conduct electricity very well, mechanical strength it is big.
In the description of the present invention, it should be noted that term " on ", "lower", " vertical ", "horizontal", "inner", "outside"
The orientation or positional relationship of equal instructions is to be based on the orientation or positional relationship shown in the drawings, be merely for convenience of the description present invention and
Simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construction
And operation, therefore be not considered as limiting the invention.
Claims (1)
1. a kind of hydropower generator machine presses rectangular bus bar connection method, it is characterised in that: carry out as steps described below:
The first step two needs the rectangular copper bus-bar connecting pin that connects to process to form tooth, slot interval shape by numerically-controlled machine tool respectively
Shape；That is:
The first table top is processed in the connecting pin upper face of the first rectangular copper bus-bar, in the lower part stage body for being located at first table top
On process the first slot, the connection end of first slot from first rectangular copper bus-bar is longitudinally parallel in First
Face opens up, and the longitudinal length of the first slot constitutes less than the longitudinal length of the first table top between the first slot and the first table top
Gear shaping on one constitutes the first lower gear shaping between first slot and the first rectangular copper bus-bar lower face, gear shaping is vertical on described first
It is less than the longitudinal length of the described first lower gear shaping to length；Then the first bolt hole is processed perpendicular to the first table top, described
One bolt hole is opened up through gear shaping on described first and the first lower gear shaping；
The second table top is processed in the connecting pin lower face of the second rectangular copper bus-bar, in the top stage body for being located at second table top
On process the second slot, the connection end of second slot from second rectangular copper bus-bar is longitudinally parallel in second
Face opens up, and the longitudinal length of the second slot constitutes less than the longitudinal length of the second table top between the second slot and the second table top
Two lower gear shapings, constitute gear shaping on second between the second slot and the second rectangular copper bus-bar upper face, the described second lower gear shaping is indulged
To length less than second on gear shaping longitudinal length；Then the second bolt hole, second spiral shell are processed perpendicular to the second table top
Keyhole is opened up through gear shaping on described second and the second lower gear shaping；
The groove width and longitudinal length of the thickness of gear shaping and longitudinal length and second slot match on described first；Described
The thickness of two lower gear shapings and the groove width and longitudinal length of longitudinal length and first slot match；
Gear shaping on described first is inserted into second slot by second step；The described second lower gear shaping is inserted into first simultaneously at this time
In slot, gear shaping following table plane-plane contact on first table top and described second, second table top descends gear shaping with described first
Upper surface face contact；Then bolt is penetrated into first bolt hole and the second bolt hole is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611183893.3A CN106532280B (en) | 2016-12-20 | 2016-12-20 | Hydropower generator machine presses rectangular bus bar connection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611183893.3A CN106532280B (en) | 2016-12-20 | 2016-12-20 | Hydropower generator machine presses rectangular bus bar connection method |
Publications (2)
| Publication Number | Publication Date |
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| CN106532280A CN106532280A (en) | 2017-03-22 |
| CN106532280B true CN106532280B (en) | 2019-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611183893.3A Active CN106532280B (en) | 2016-12-20 | 2016-12-20 | Hydropower generator machine presses rectangular bus bar connection method |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107658774B (en) * | 2017-11-15 | 2024-02-09 | 河南省水利勘测设计研究有限公司 | Generator motor pressing equipment arrangement structure of large pumped storage power station |
| CN114400600B (en) * | 2021-12-16 | 2023-11-17 | 河南平高电气股份有限公司 | Three-phase common-box bus conductor supporting device |
Citations (8)
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|---|---|---|---|---|
| CN201570829U (en) * | 2009-08-05 | 2010-09-01 | 河南森源电气股份有限公司 | Bus mounting structure of high voltage switch cabinet |
| CN202503120U (en) * | 2012-03-20 | 2012-10-24 | 上海产联电气科技有限公司 | Busbar connector |
| CN202797336U (en) * | 2012-02-12 | 2013-03-13 | 杨永盛 | Wire end |
| CN202957364U (en) * | 2012-11-08 | 2013-05-29 | 河南省电力公司郑州供电公司 | Novel wire clamp for power transmission and transformation line equipment |
| CN202996544U (en) * | 2012-12-08 | 2013-06-12 | 三变科技股份有限公司 | Dry-type transformer |
| CN103700957A (en) * | 2013-11-21 | 2014-04-02 | 洛阳龙羽电气设备有限公司 | Bus butting method |
| CN104538754A (en) * | 2014-12-03 | 2015-04-22 | 常州市拓源电缆成套有限公司 | Plugging type joint for capacitance type composite insulated bus with voltage of 72500 to 550000 volts |
| CN205583166U (en) * | 2016-04-11 | 2016-09-14 | 湖北南邦创电科技有限公司 | Improve ground net and prevent corrosive effects's device |
-
2016
- 2016-12-20 CN CN201611183893.3A patent/CN106532280B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201570829U (en) * | 2009-08-05 | 2010-09-01 | 河南森源电气股份有限公司 | Bus mounting structure of high voltage switch cabinet |
| CN202797336U (en) * | 2012-02-12 | 2013-03-13 | 杨永盛 | Wire end |
| CN202503120U (en) * | 2012-03-20 | 2012-10-24 | 上海产联电气科技有限公司 | Busbar connector |
| CN202957364U (en) * | 2012-11-08 | 2013-05-29 | 河南省电力公司郑州供电公司 | Novel wire clamp for power transmission and transformation line equipment |
| CN202996544U (en) * | 2012-12-08 | 2013-06-12 | 三变科技股份有限公司 | Dry-type transformer |
| CN103700957A (en) * | 2013-11-21 | 2014-04-02 | 洛阳龙羽电气设备有限公司 | Bus butting method |
| CN104538754A (en) * | 2014-12-03 | 2015-04-22 | 常州市拓源电缆成套有限公司 | Plugging type joint for capacitance type composite insulated bus with voltage of 72500 to 550000 volts |
| CN205583166U (en) * | 2016-04-11 | 2016-09-14 | 湖北南邦创电科技有限公司 | Improve ground net and prevent corrosive effects's device |
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| Publication number | Publication date |
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| CN106532280A (en) | 2017-03-22 |
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