CN105805131A - Adjusting and fixing bolt used for complete set of droppers of railway overhead line system - Google Patents
Adjusting and fixing bolt used for complete set of droppers of railway overhead line system Download PDFInfo
- Publication number
- CN105805131A CN105805131A CN201610187963.6A CN201610187963A CN105805131A CN 105805131 A CN105805131 A CN 105805131A CN 201610187963 A CN201610187963 A CN 201610187963A CN 105805131 A CN105805131 A CN 105805131A
- Authority
- CN
- China
- Prior art keywords
- shaped
- bolt
- briquetting
- support stop
- connection card
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000005452 bending Methods 0.000 claims abstract description 6
- 210000002421 cell wall Anatomy 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 239000004484 Briquette Substances 0.000 abstract 7
- 238000010586 diagram Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
- F16B35/041—Specially-shaped shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
- F16B39/04—Locking of screws, bolts or nuts in which the locking takes place after screwing down with a member penetrating the screw-threaded surface of at least one part, e.g. a pin, a wedge, cotter-pin, screw
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention discloses an adjusting and fixing bolt used for complete set of droppers of a railway overhead line system. The adjusting and fixing bolt comprises a hexagonal slotted bolt and a briquette assembly; the briquette assembly comprises an I-shaped briquette, a support locking clip, a U-shaped connecting clip and a hexagonal nut, wherein the I-shaped briquette, the support locking clip and the U-shaped connecting clip are fixedly connected in sequence; the hexagonal nut is sleeved on the U-shaped connecting clip and is in threaded connection with the hexagonal slotted bolt; the I-shaped briquette, the support locking clip and the U-shaped connecting clip are arranged in an axial open slot; two ends of the support locking clip respectively extend out of the side face of the hexagonal nut; arietiform bulges formed by bending are respectively formed at positions of two sides, close to the U-shaped connecting clip, of the support locking clip; the further improvement lies in that the support locking clip is nested into a groove of the I-shaped briquette; and the I-shaped briquette is provided with an arc slot II opposite to an arc slot I at the bottom of the axial open slot of the hexagonal slotted bolt. The adjusting and fixing bolt is high in structure strength and rigidity, reliable in connection and good in anti-loosing effect.
Description
Technical field
The present invention relates to a kind of connecting bolt, specifically, relate to a kind of railway contact line dropper and adjust fixing bolt.
Background technology
Railway contact line dropper is with adjusting fixing bolt for fastening railway Contact Net's Suspension Chord line.Existing railway contact line dropper adjusts fixing bolt and includes hexagonal slotting bolt, briquetting molectron；Hexagonal slotting bolt, its bolt position is provided with the shaft orientation opening groove extending to turret head end face from its end, briquetting molectron includes I-shaped briquetting, supports stop, U-shaped Connection Card, hex nut, and support stop is strip component, runs through hexagonal slotting bolt shaft orientation opening groove.This railway contact line dropper adjusts fixing bolt in use, owing to bolt position is provided with the shaft orientation opening groove extending to turret head end face from its end, therefore, rigidity is poor, it is big that hex nut tightens rear bolt position distortions, more big the closer to bolt end deformation, hex nut holds easy to slip teeth, slippage.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, it is proposed to a kind of rigidity that can improve bolt, can effectively prevent again the railway contact line dropper that hex nut loosens from adjusting fixing bolt.
The present invention is achieved through the following technical solutions technical goal.
Railway contact line dropper is with adjusting fixing bolt, including hexagonal slotting bolt, briquetting molectron；Described hexagonal slotting bolt bolt position is provided with the shaft orientation opening groove extending to turret head end face from its end；Described briquetting molectron includes I-shaped briquetting, supports stop, U-shaped Connection Card, hex nut；Described I-shaped briquetting, support stop, U-shaped Connection Card are fixedly connected sequentially；Described support stop is strip component, and hex nut side is stretched out at two ends respectively；Described U-shaped Connection Card is U-shaped strip component, is fixedly connected in the middle part of support stop bottom it；Described hex nut is sleeved on U-shaped Connection Card, and U-shaped Connection Card top, to two Edge Bends, forms the position limiting structure in hex nut hole；Described briquetting molectron is arranged on hexagonal slotting bolt: I-shaped briquetting, support stop, U-shaped Connection Card are sequentially arranged at shaft orientation opening groove from the bolt end of hexagonal slotting bolt；In the middle part of described I-shaped briquetting, both sides female parts is installed in shaft orientation opening groove, and matched in clearance；Described support stop and hexagonal slotting bolt shaft orientation opening groove both sides cell wall matched in clearance；Described hex nut is sleeved on hexagonal slotting bolt, and threaded；It thes improvement is that: described support stop is respectively equipped with the erietiform projection that bending is formed in both sides near U-shaped Connection Card position, and described erietiform projection is arranged between U-shaped Connection Card and hex nut endoporus sidewall.
In said structure, the end face that described I-shaped briquetting two ends are combined with support stop is provided with groove, supports stop and embeds I-shaped briquetting and support stop in conjunction with in the groove of end face.
In said structure, described hexagonal slotting bolt axially open trench bottom is provided with arc groove I, and end face relative with hexagonal slotting bolt turret head on I-shaped briquetting is provided with the arc groove II relative with hexagonal slotting bolt axially open trench bottom arc groove I.
In said structure, described U-shaped Connection Card bottom welding is connected in the middle part of support stop；Described support stop welds or riveting with I-shaped briquetting.
The present invention compared with prior art, has the positive effect that:
1, support stop and be respectively equipped with the erietiform projection that bending is formed in both sides near U-shaped Connection Card position, erietiform projection is arranged between U-shaped Connection Card and hex nut endoporus sidewall, erietiform projection is installed in hexagonal slotting bolt shaft orientation opening groove, in use, effectively support hexagonal slotting bolt shaft orientation opening groove cell wall, significantly improve rigidity and the intensity at bolt position of the present invention, also significantly increase the anti-loosening property of hex nut.
2, the end face that I-shaped briquetting two ends are combined with locking plate is provided with groove, locking plate embeds in the facing groove of I-shaped briquetting two ends, so, guarantee that when stress the two ends supporting stop will not be distorted displacement relative to I-shaped briquetting, solve to support locking plate and rotate relative to I-shaped briquetting and the problem that makes weld disengage.
3, hexagonal slotting bolt axially open trench bottom is provided with arc groove, and end face relative with hexagonal slotting bolt turret head on I-shaped briquetting is provided with the arc groove relative with hexagonal slotting bolt axially open trench bottom arc groove, so, can make to compress reliably.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram (being not connected with railway contact line dropper line).
Fig. 2 is Fig. 1 top view.
Fig. 3 is A-A sectional view in Fig. 1.
Fig. 4 is Fig. 1 left view.
Fig. 5 is present configuration schematic diagram (connecting railway contact line dropper line).
Fig. 6 is broken away view of the present invention.
Detailed description of the invention
Below according to accompanying drawing and the invention will be further described in conjunction with the embodiments.
Railway contact line dropper shown in accompanying drawing is with adjusting fixing bolt, including hexagonal slotting bolt 1, briquetting molectron 2；Hexagonal slotting bolt 1 bolt position is provided with the shaft orientation opening groove extending to turret head end face from its end, and hexagonal slotting bolt 1 axially open trench bottom is provided with arc groove I；Briquetting molectron 2 includes I-shaped briquetting 2.1, supports stop 2.2, U-shaped Connection Card 2.3, hex nut 2.4；I-shaped briquetting 2.1, support stop 2.2, U-shaped Connection Card 2.3 are fixedly connected sequentially, in the present embodiment, I-shaped briquetting 2.1, support stop 2.2 are stainless steel part, support stop 2.2 and be welded to connect (in other embodiments with I-shaped briquetting 2.1, supporting stop 2.2 is stainless steel part, I-shaped briquetting 2.1 is made of copper, then support stop 2.2 and rivet fixing connection with I-shaped briquetting 2.1)；Supporting stop 2.2 is strip component, and hex nut 2.4 side is stretched out at two ends respectively；The end face that I-shaped briquetting 2.1 two ends are combined with support stop 2.2 is provided with groove, supports stop 2.2 and embeds I-shaped briquetting 2.1 and support stop 2.2 in conjunction with in the groove of end face；U-shaped Connection Card 2.3 is U-shaped strip component, and its bottom welding is fixedly connected in the middle part of support stop 2.2；Hex nut 2.4 is sleeved on U-shaped Connection Card 2.3, and U-shaped Connection Card 2.3 top, to two Edge Bends, forms the position limiting structure in hex nut 2.4 hole；Briquetting molectron 2 is arranged on hexagonal slotting bolt 1: I-shaped briquetting 2.1, support stop 2.2, U-shaped Connection Card 2.3 are sequentially arranged at shaft orientation opening groove from the bolt end of hexagonal slotting bolt 1；In the middle part of I-shaped briquetting 2.1, both sides female parts is installed in shaft orientation opening groove, and matched in clearance, end face relative with hexagonal slotting bolt 1 turret head on I-shaped briquetting 2.1 is provided with the arc groove II relative with hexagonal slotting bolt 1 axially open trench bottom arc groove I；Support stop 2.2 and hexagonal slotting bolt 1 shaft orientation opening groove both sides cell wall matched in clearance；Hex nut 2.4 is sleeved on hexagonal slotting bolt 1, and threaded；Support stop 2.2 is respectively equipped with the erietiform projection 2.2.1, erietiform projection 2.2.1 of bending formation and is arranged between U-shaped Connection Card 2.3 and hex nut 2.4 endoporus sidewall in both sides near U-shaped Connection Card 2.3 position.
When the present invention connects for railway contact line dropper line 5, railway contact line dropper line 5 is put on hexagonal slotting bolt 1 axially open trench bottom arc groove, I-shaped briquetting 2.1 between arc groove, tighten hex nut 2.4, hex nut 2.4 is made to abut to support stop 2.2 end face, tighten hex nut 2.4 further, I-shaped briquetting 2.1 is made to compress railway Contact Net's Suspension Chord line 5, then bending support stop 2.2 stretches out the part of hex nut 2.4 side, it is made to fit on hex nut 2.4 side, so, anti-loose structure is formed.
Claims (4)
1. railway contact line dropper is with adjusting a fixing bolt, including hexagonal slotting bolt (1), briquetting molectron (2)；Described hexagonal slotting bolt (1) bolt position is provided with the shaft orientation opening groove extending to turret head end face from its end；Described briquetting molectron (2) includes I-shaped briquetting (2.1), supports stop (2.2), U-shaped Connection Card (2.3), hex nut (2.4)；Described I-shaped briquetting (2.1), support stop (2.2), U-shaped Connection Card (2.3) are fixedly connected sequentially；Described support stop (2.2) is strip component, and hex nut (2.4) side is stretched out at two ends respectively；Described U-shaped Connection Card (2.3) is U-shaped strip component, is fixedly connected on support stop (2.2) middle part bottom it；Described hex nut (2.4) is sleeved on U-shaped Connection Card (2.3), and U-shaped Connection Card (2.3) top, to two Edge Bends, forms the position limiting structure in hex nut (2.4) hole；It is upper that described briquetting molectron (2) is arranged on hexagonal slotting bolt (1): I-shaped briquetting (2.1), support stop (2.2), U-shaped Connection Card (2.3) are sequentially arranged at shaft orientation opening groove from the bolt end of hexagonal slotting bolt (1)；Both sides, described I-shaped briquetting (2.1) middle part female parts is installed in shaft orientation opening groove, and matched in clearance；Described support stop (2.2) and hexagonal slotting bolt (1) shaft orientation opening groove both sides cell wall matched in clearance；Described hex nut (2.4) is sleeved on hexagonal slotting bolt (1), and threaded；It is characterized in that: described support stop (2.2) is respectively equipped with the erietiform protruding (2.2.1) that bending is formed in both sides near U-shaped Connection Card (2.3) position, and described erietiform protruding (2.2.1) is arranged between U-shaped Connection Card (2.3) and hex nut (2.4) endoporus sidewall.
2. railway contact line dropper according to claim 1 adjusts fixing bolt, it is characterized in that: the end face that described I-shaped briquetting (2.1) two ends and support stop (2.2) combine is provided with groove, support stop (2.2) and embed I-shaped briquetting (2.1) and support stop (2.2) in conjunction with in the groove of end face.
3. railway contact line dropper according to claim 1 and 2 adjusts fixing bolt, it is characterized in that: described hexagonal slotting bolt (1) axially open trench bottom is provided with arc groove I, the upper end face relative with hexagonal slotting bolt (1) turret head of I-shaped briquetting (2.1) is provided with the arc groove II relative with hexagonal slotting bolt (1) axially open trench bottom arc groove I.
4. railway contact line dropper according to claim 3 adjusts fixing bolt, it is characterised in that: described U-shaped Connection Card (2.3) bottom welding is connected to support stop (2.2) middle part；Described support stop (2.2) is welded or riveting with I-shaped briquetting (2.1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610187963.6A CN105805131B (en) | 2016-03-30 | 2016-03-30 | Railway contact line dropper adjustment fixing bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610187963.6A CN105805131B (en) | 2016-03-30 | 2016-03-30 | Railway contact line dropper adjustment fixing bolt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105805131A true CN105805131A (en) | 2016-07-27 |
| CN105805131B CN105805131B (en) | 2018-01-12 |
Family
ID=56454137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610187963.6A Active CN105805131B (en) | 2016-03-30 | 2016-03-30 | Railway contact line dropper adjustment fixing bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105805131B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4128998A1 (en) * | 1991-08-31 | 1993-03-04 | Abb Patent Gmbh | Suspension clamp for fixing catenary suspension on two support ropes for overhead lines - has U=shaped suspension bracket for fixing catenary suspension and U=shaped clamping brackets for fixing at ropes secured by threaded bolt and nut |
| CN2439971Y (en) * | 2000-09-09 | 2001-07-25 | 宋明让 | Adjustable insulated integral hanger |
| CN2782467Y (en) * | 2004-05-17 | 2006-05-24 | 宋明让 | Adjnstable elastic current loading hanger |
| CN200957774Y (en) * | 2006-07-05 | 2007-10-10 | 刘铸 | Adjustabll integrated chord |
| CN200967423Y (en) * | 2006-07-18 | 2007-10-31 | 柳州桂通精密铸造有限公司（中外合资） | Coupling hook and matched straight hanger |
| CN201646434U (en) * | 2010-02-14 | 2010-11-24 | 陕西万里达铁路电气化器材有限公司 | Carrier cable dropper line clamp of current carrying integral dropper device |
| CN202764729U (en) * | 2012-09-27 | 2013-03-06 | 史文奇 | Anticorrosion breaking resistant dropper |
| CN205639230U (en) * | 2016-03-30 | 2016-10-12 | 陈忠华 | Railway contact net dropper is with adjustment fixing bolt |
-
2016
- 2016-03-30 CN CN201610187963.6A patent/CN105805131B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4128998A1 (en) * | 1991-08-31 | 1993-03-04 | Abb Patent Gmbh | Suspension clamp for fixing catenary suspension on two support ropes for overhead lines - has U=shaped suspension bracket for fixing catenary suspension and U=shaped clamping brackets for fixing at ropes secured by threaded bolt and nut |
| CN2439971Y (en) * | 2000-09-09 | 2001-07-25 | 宋明让 | Adjustable insulated integral hanger |
| CN2782467Y (en) * | 2004-05-17 | 2006-05-24 | 宋明让 | Adjnstable elastic current loading hanger |
| CN200957774Y (en) * | 2006-07-05 | 2007-10-10 | 刘铸 | Adjustabll integrated chord |
| CN200967423Y (en) * | 2006-07-18 | 2007-10-31 | 柳州桂通精密铸造有限公司（中外合资） | Coupling hook and matched straight hanger |
| CN201646434U (en) * | 2010-02-14 | 2010-11-24 | 陕西万里达铁路电气化器材有限公司 | Carrier cable dropper line clamp of current carrying integral dropper device |
| CN202764729U (en) * | 2012-09-27 | 2013-03-06 | 史文奇 | Anticorrosion breaking resistant dropper |
| CN205639230U (en) * | 2016-03-30 | 2016-10-12 | 陈忠华 | Railway contact net dropper is with adjustment fixing bolt |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105805131B (en) | 2018-01-12 |
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| C10 | Entry into substantive examination | ||
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| GR01 | Patent grant | ||
| GR01 | Patent grant |