CN105736550A - Double-looseness-preventing fixing bolt for railway contact net dropper assembly - Google Patents
Double-looseness-preventing fixing bolt for railway contact net dropper assembly Download PDFInfo
- Publication number
- CN105736550A CN105736550A CN201610187965.5A CN201610187965A CN105736550A CN 105736550 A CN105736550 A CN 105736550A CN 201610187965 A CN201610187965 A CN 201610187965A CN 105736550 A CN105736550 A CN 105736550A
- Authority
- CN
- China
- Prior art keywords
- shaped
- shaped connection
- bolt
- connection card
- briquetting
- 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 11
- 230000009977 dual effect Effects 0.000 claims description 11
- 210000002421 cell wall Anatomy 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 3
- 230000003405 preventing effect Effects 0.000 abstract 1
- 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
- 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
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
Classifications
-
- 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
- F16B39/24—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by means of washers, spring washers, or resilient plates that lock against the object
Abstract
The invention discloses a double-looseness-preventing fixing bolt for a railway contact net dropper assembly. The fixing bolt comprises a hexagon slotted bolt and a pressure block combined part; the pressure block combined part comprises a hexagon nut, an I-shaped pressure block, a supporting check clamp and a U-shaped connection clamp; the I-shaped pressure block, the supporting check clamp and the U-shaped connection clamp are sequentially and fixedly connected; the U-shaped connection clamp is sleeved with the hexagon nut; the I-shaped pressure block, the supporting check clamp and the U-shaped connection clamp are installed in an axial open slot; the two ends of the supporting check clamp extend out of the side faces of the hexagon nut correspondingly; and when the hexagon nut abuts against the end face of the supporting check clamp, the U-shaped opening part of the U-shaped connection clamp is higher than the upper end face of the hexagon nut, and during use, the U-shaped opening side of the U-shaped connection clamp can be bent to abut against the upper end face of the hexagon nut. The fixing bolt is further characterized in that protrusions shaped like a Greek letter 'omega' are arranged in the positions, close to the U-shaped connection clamp, of the two sides of the supporting check clamp and are formed by bending, and the supporting check clamp is embedded into a groove of the I-shaped pressure block. The fixing bolt has the double-looseness-preventing function, and is good in looseness preventing effect, high in structure rigidity and reliable in connection.
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, after hex nut fastening, and cocked support stop two ends, it is fitted in hex nut side, restriction hex nut rotates, and reaches locking purpose.This railway contact line dropper adjusts fixing bolt and has the disadvantage that: hexagonal slotting bolt bolt position is provided with the shaft orientation opening groove extending to turret head end face from its end, rigidity is poor, it is easily deformed, support stop is strip component, easily loosens after being in the hex nut stress under tightening state.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, it is proposed to a kind of fixing bolt of dual locking railway contact line dropper that can significantly improve hex nut anti-loosening property.
The present invention is achieved through the following technical solutions technical goal.
Dual locking railway contact line dropper is with 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: when described hex nut abuts to support stop end face, U-shaped Connection Card U-shaped opening portion exceeds hex nut upper surface, and during use, the U-shaped opening edge of U-shaped Connection Card bending can be resisted against hex nut upper surface.
In said structure, described support stop is respectively equipped with the Ω shape projection that bending is formed in both sides near U-shaped Connection Card position, and described Ω shape projection is arranged between U-shaped Connection Card and hex nut endoporus sidewall；Protruding the fixing with U-shaped Connection Card of described support stop Ω shape is connected.
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, the present invention is in use, and the U-shaped opening edge bending of U-shaped Connection Card is resisted against hex nut upper surface, so, hex nut side has support stop locking, it is locking that end face adds U-shaped Connection Card, plays dual locking effect, significantly improves hex nut anti-loosening property.
2, support stop and be respectively equipped with the Ω shape projection that bending is formed in both sides near U-shaped Connection Card position, Ω shape projection is arranged between U-shaped Connection Card and hex nut endoporus sidewall, Ω shape 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.
3, support protruding the fixing with U-shaped Connection Card of stop Ω shape to be connected, significantly improve the structural strength of briquetting molectron, further increase the support strength to hexagonal slotting bolt shaft orientation opening groove cell wall, thus further increasing rigidity and the intensity at bolt position of the present invention, also further increase the anti-loosening property of hex nut.
4, 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.
5, 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.
Dual locking railway contact line dropper shown in accompanying drawing is with 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；When hex nut 2.4 abuts to support stop 2.2 end face, U-shaped Connection Card 2.3U shape opening portion exceeds hex nut 2.4 upper surface, and during use, the U-shaped opening edge of U-shaped Connection Card 2.3 bending can be resisted against hex nut 2.4 upper surface.
Support stop 2.2 and be respectively equipped with the Ω shape projection 2.2.1 that bending is formed in both sides near U-shaped Connection Card 2.3 position, Ω shape projection 2.2.1 is arranged between U-shaped Connection Card 2.3 and hex nut 2.4 endoporus sidewall, and support stop 2.2 Ω shape projection 2.2.1 is fixing with U-shaped Connection Card 2.3 to be connected.
When the present invention connects for railway contact line dropper line 5, hexagonal slotting bolt 1 axially open trench bottom arc groove put into by railway contact line dropper line 5, on 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, bending U-shaped Connection Card 2.3U shape opening exceeds the part of hex nut 3 upper surface, it is brought to abutment against hex nut 3 upper surface, so, form dual anti-loose structure.
Claims (5)
1. dual locking railway contact line dropper is with 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: when described hex nut (2.4) abuts to support stop (2.2) end face, U-shaped Connection Card (2.3) U-shaped opening portion exceeds hex nut (2.4) upper surface, and during use, the U-shaped opening edge of U-shaped Connection Card (2.3) bending can be resisted against hex nut (2.4) upper surface.
2. dual locking railway contact line dropper according to claim 1 is with fixing bolt, it is characterized in that: described support stop (2.2) is respectively equipped with the Ω shape protruding (2.2.1) that bending is formed in both sides near U-shaped Connection Card (2.3) position, and described Ω shape protruding (2.2.1) is arranged between U-shaped Connection Card (2.3) and hex nut (2.4) endoporus sidewall；Described support stop (2.2) Ω shape protruding (2.2.1) is fixing with U-shaped Connection Card (2.3) to be connected.
3. dual locking railway contact line dropper according to claim 1 and 2 is with 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.
4. dual locking railway contact line dropper according to claim 3 is with 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.
5. dual locking railway contact line dropper according to claim 4 is with 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 |
|---|---|---|---|
| CN201610187965.5A CN105736550B (en) | 2016-03-30 | 2016-03-30 | Dual locking railway contact line dropper fixing bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610187965.5A CN105736550B (en) | 2016-03-30 | 2016-03-30 | Dual locking railway contact line dropper fixing bolt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105736550A true CN105736550A (en) | 2016-07-06 |
| CN105736550B CN105736550B (en) | 2017-09-26 |
Family
ID=56253207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610187965.5A Active CN105736550B (en) | 2016-03-30 | 2016-03-30 | Dual locking railway contact line dropper fixing bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105736550B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113646549A (en) * | 2019-03-26 | 2021-11-12 | 五十铃自动车株式会社 | Fastened article |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB211124A (en) * | 1923-02-07 | 1924-07-31 | Daniel Leopold Alexis Grosclau | Improvements in or relating to means for locking nuts on bolts |
| US3989126A (en) * | 1973-09-28 | 1976-11-02 | Knorr-Bremse Gmbh | Resilient railway disc brake pivotal mounting |
| JPH06166351A (en) * | 1992-11-30 | 1994-06-14 | East Japan Railway Co | Double ear for connecting electric railcar lines |
| CN2221516Y (en) * | 1995-04-25 | 1996-03-06 | 袁乃鸣 | Trolley lines adjusting device |
| JP2001082432A (en) * | 1999-09-10 | 2001-03-27 | Hitachi Ltd | Fastening member |
| CN2543760Y (en) * | 2002-05-30 | 2003-04-09 | 石家庄同力铁路供电设备技术有限公司 | Wire contactor clamp |
| CN101698393A (en) * | 2009-10-30 | 2010-04-28 | 汉和飞轮(北京)电气化器材有限公司 | Rigid integral dropper of overhead contact line equipment of electrified railway |
| CN103996908A (en) * | 2014-05-21 | 2014-08-20 | 眉山南车紧固件科技有限公司 | Electrical terminal ground structure and installation method |
| CN204082861U (en) * | 2014-09-25 | 2015-01-07 | 胡鑫 | A kind of high ferro contact net to be interlocked locking securing means with special-shaped sour jujube pad |
-
2016
- 2016-03-30 CN CN201610187965.5A patent/CN105736550B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB211124A (en) * | 1923-02-07 | 1924-07-31 | Daniel Leopold Alexis Grosclau | Improvements in or relating to means for locking nuts on bolts |
| US3989126A (en) * | 1973-09-28 | 1976-11-02 | Knorr-Bremse Gmbh | Resilient railway disc brake pivotal mounting |
| JPH06166351A (en) * | 1992-11-30 | 1994-06-14 | East Japan Railway Co | Double ear for connecting electric railcar lines |
| CN2221516Y (en) * | 1995-04-25 | 1996-03-06 | 袁乃鸣 | Trolley lines adjusting device |
| JP2001082432A (en) * | 1999-09-10 | 2001-03-27 | Hitachi Ltd | Fastening member |
| CN2543760Y (en) * | 2002-05-30 | 2003-04-09 | 石家庄同力铁路供电设备技术有限公司 | Wire contactor clamp |
| CN101698393A (en) * | 2009-10-30 | 2010-04-28 | 汉和飞轮(北京)电气化器材有限公司 | Rigid integral dropper of overhead contact line equipment of electrified railway |
| CN103996908A (en) * | 2014-05-21 | 2014-08-20 | 眉山南车紧固件科技有限公司 | Electrical terminal ground structure and installation method |
| CN204082861U (en) * | 2014-09-25 | 2015-01-07 | 胡鑫 | A kind of high ferro contact net to be interlocked locking securing means with special-shaped sour jujube pad |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113646549A (en) * | 2019-03-26 | 2021-11-12 | 五十铃自动车株式会社 | Fastened article |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105736550B (en) | 2017-09-26 |
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Effective date of registration: 20240130 Address after: 225500 Civil Affairs Industrial Park, Jiangyan Economic Development Zone, Taizhou City, Jiangsu Province Patentee after: JIANGSU BAOJINLAI PIPELINE EQUIPMENT CO.,LTD. Country or region after: China Address before: Room 7-6, Building 12, Beiyuan Xincun, Jiangyan Town, Jiangyan District, Taizhou City, Jiangsu Province Patentee before: Sun Ying Country or region before: China |