CN107489683A - Rail fixing bolt - Google Patents
Rail fixing bolt Download PDFInfo
- Publication number
- CN107489683A CN107489683A CN201710846344.8A CN201710846344A CN107489683A CN 107489683 A CN107489683 A CN 107489683A CN 201710846344 A CN201710846344 A CN 201710846344A CN 107489683 A CN107489683 A CN 107489683A
- Authority
- CN
- China
- Prior art keywords
- nut
- threaded portion
- fixing bolt
- rail fixing
- pilot pin
- 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.)
- Pending
Links
- 238000012856 packing Methods 0.000 claims description 12
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 241001669679 Eleotris Species 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000010959 steel Substances 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
- F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
-
- 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
- F16B39/12—Locking of screws, bolts or nuts in which the locking takes place after screwing down by means of locknuts
- F16B39/16—Locking of screws, bolts or nuts in which the locking takes place after screwing down by means of locknuts in which the screw-thread of the locknut differs from that of the nut
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a kind of rail fixing bolt, the rail fixing bolt includes the first threaded portion and the second threaded portion, the hand of spiral of first threaded portion and second threaded portion is opposite, first threaded portion is arranged on the bottom of the fixing bolt, and first threaded portion is directly more than second threaded portion;First nut and the second nut, hand of spiral and diameter of the internal diameter of first nut in first threaded portion are engaged, hand of spiral and diameter of the internal diameter of second nut in second threaded portion are engaged, and through hole is provided with first nut and second nut;Pilot pin, the pilot pin can pass through the through hole, fixed first nut and second nut.The fixed effect of the rail fixing bolt is more preferably.
Description
Technical field
The invention belongs to railway territory, more particularly, to a kind of rail fixing bolt.
Background technology
Railroad track, abbreviation rail, rail, track etc..For railway, and with railway switch cooperation, make train need not turn
To just walking.Track is generally made up of two parallel rail.Rail is fixed and is placed on sleeper, is cut under sleeper for road.With
Rail made of steel, bigger weight can be born than other materials.Sleeper is also known as sleeper, or road pillow, and function is rail
Weight separately spread, and keep rail fix, maintain the gauge of rail.In recent years, the rising with population size and population
Mobility strengthens, and the bearing capacity of train is also constantly increasing so that the steadiness of railroad track substantially reduces.
Therefore, it is necessary to research and develop a kind of steadiness more preferably railroad track.
The content of the invention
The invention provides a kind of rail fixing bolt, can make the fixation of rail more steady by the rail fixing bolt
Admittedly avoid the generation of accident.
To achieve these goals, the invention provides a kind of rail fixing bolt to include:
The hand of spiral of first threaded portion and the second threaded portion, first threaded portion and second threaded portion on the contrary,
First threaded portion is arranged on the bottom of the fixing bolt, and first threaded portion is directly more than second screw thread
Portion;
First nut and the second nut, the internal diameter of first nut is in the hand of spiral and diameter of first threaded portion
It is engaged, the hand of spiral and diameter of the internal diameter of second nut in second threaded portion are engaged, first nut
And it is provided with through hole on second nut;
Pilot pin, the pilot pin can pass through the through hole, fixed first nut and second nut.
Specifically, the rail fixing bolt is screwing the first nut by the setting of the first threaded portion and the second threaded portion
And second in the case of nut, nut can be avoided to free loosening, be further advanced by positioning to the fixed effect of railway more preferably
The further nut of clamping first of setting of pin and the second nut prevent the loosening of rail anchor bolt nut.
Preferably, the pilot pin is 7 fonts, and the vertical portion of 7 font can pass through the through hole.
Preferably, in addition to magnetic emits, and the interior edge that the magnetic emits is provided with screw thread, the direction of the screw thread and the magnetic
The internal diameter that property emits is engaged in second threaded rod.
Preferably, the magnetic emit bottom set it is fluted, the shape of the groove is in the shape of the 7 font horizontal part
It is engaged.
Preferably, in addition to packing ring, the packing ring are sheathed on second threaded rod, positioned at first nut and described
Between second nut.
Preferably, the packing ring is at least one of anistree pad, spirotallic gasket and wave tooth spacer.
The beneficial effects of the present invention are:The rail fixing bolt by the setting of the first threaded portion and the second threaded portion,
In the case where screwing the first nut and the second nut, nut can be avoided to free loosening, entered to the fixed effect of railway more preferably
The loosening of rail anchor bolt nut is prevented to one step by the further nut of clamping first of setting of pilot pin and the second nut.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
Exemplary embodiment of the invention is described in more detail in conjunction with the accompanying drawings, it is of the invention above-mentioned and its
Its purpose, feature and advantage will be apparent, wherein, in exemplary embodiment of the invention, identical reference number
Typically represent same parts.
Fig. 1 shows the schematic diagram of rail fixing bolt according to an embodiment of the invention.
Description of reference numerals:
1st, the first threaded portion;2nd, the second threaded portion;3rd, the first nut;4th, the second nut;5th, pilot pin.
Embodiment
The preferred embodiment of the present invention is described in more detail below.Although the following describe being preferable to carry out for the present invention
Mode, however, it is to be appreciated that may be realized in various forms the present invention without should be limited by embodiments set forth herein.Phase
Instead, there is provided these embodiments be in order that the present invention is more thorough and complete, and can be by the scope of the present invention intactly
It is communicated to those skilled in the art.
According to the rail fixing bolt of the present invention, including:
The hand of spiral of first threaded portion and the second threaded portion, first threaded portion and second threaded portion on the contrary,
First threaded portion is arranged on the bottom of the fixing bolt, and first threaded portion is directly more than second screw thread
Portion;
First nut and the second nut, the internal diameter of first nut is in the hand of spiral and diameter of first threaded portion
It is engaged, the hand of spiral and diameter of the internal diameter of second nut in second threaded portion are engaged, first nut
And it is provided with through hole on second nut;
Pilot pin, the pilot pin can pass through the through hole, fixed first nut and second nut.
Specifically, the rail fixing bolt is screwing the first nut by the setting of the first threaded portion and the second threaded portion
And second in the case of nut, nut can be avoided to free loosening, be further advanced by positioning to the fixed effect of railway more preferably
The further nut of clamping first of setting of pin and the second nut prevent the loosening of rail anchor bolt nut.
Preferably, the pilot pin is 7 fonts, and the vertical portion of 7 font can pass through the through hole.
Preferably, in addition to magnetic emits, and the interior edge that the magnetic emits is provided with screw thread, the direction of the screw thread and
The internal diameter that the magnetic emits is engaged in second threaded rod.
Preferably, the magnetic emit bottom set it is fluted, the shape of the groove is in the 7 font horizontal part
Shape be engaged.
Preferably, in addition to packing ring, the packing ring are sheathed on second threaded rod, positioned at first nut
And between second nut.
Preferably, the packing ring is at least one of anistree pad, spirotallic gasket and wave tooth spacer.
Embodiment
Fig. 1 shows the schematic diagram of rail fixing bolt according to an embodiment of the invention.
As shown in figure 1, the rail fixing bolt, including:
The hand of spiral phase of first threaded portion 1 and the second threaded portion 2, first threaded portion 1 and second threaded portion 2
Instead, first threaded portion 1 is arranged on the bottom of the fixing bolt, and first threaded portion 1 is directly more than described second
Threaded portion 2;
First nut 3 and the second nut 4, the internal diameter of first nut 3 in first threaded portion 1 hand of spiral and
Diameter is engaged, and the hand of spiral and diameter of the internal diameter of second nut 4 in second threaded portion 2 are engaged, and described
Through hole is provided with one nut 3 and second nut 4;
Pilot pin 5, the pilot pin 5 can pass through the through hole, fixed first nut 3 and second nut 4.
Wherein, the pilot pin 5 is 7 fonts, and the vertical portion of 7 font can pass through the through hole.
Wherein, in addition to magnetic emits, and the interior edge that the magnetic emits is provided with screw thread, the direction of the screw thread and the magnetic
The internal diameter emitted is engaged in second threaded rod.
Wherein, the magnetic emit bottom set it is fluted, the shape of the groove is in the shape phase of the 7 font horizontal part
Coordinate.
Wherein, in addition to packing ring, the packing ring are sheathed on second threaded rod, positioned at first nut 3 and described
Between second nut 4.
Wherein, the packing ring is at least one of anistree pad, spirotallic gasket and wave tooth spacer.
In use, setting of the rail fixing bolt by the first threaded portion 1 and the second threaded portion 2, is screwing the first spiral shell
Mother 3 and second can avoid nut from freeing loosening in the case of nut 4, be further advanced by the fixed effect of railway more preferably
Further clamping the first nut 3 of setting of pilot pin 5 and the second nut 4 prevent the loosening of rail anchor bolt nut.
It is described above various embodiments of the present invention, described above is exemplary, and non-exclusive, and
It is not limited to disclosed each embodiment.In the case of without departing from the scope and spirit of illustrated each embodiment, for this skill
Many modifications and changes will be apparent from for the those of ordinary skill in art field.
Claims (7)
1. a kind of rail fixing bolt, it is characterised in that the rail fixing bolt includes:
The hand of spiral of first threaded portion and the second threaded portion, first threaded portion and second threaded portion is on the contrary, described
First threaded portion is arranged on the bottom of the fixing bolt, and first threaded portion is directly more than second threaded portion;
First nut and the second nut, the internal diameter of first nut is in hand of spiral and the diameter matching of first threaded portion
Close, the hand of spiral and diameter of the internal diameter of second nut in second threaded portion are engaged, first nut and institute
State and be provided with through hole on the second nut;
Pilot pin, the pilot pin can pass through the through hole, fixed first nut and second nut.
2. rail fixing bolt according to claim 1, it is characterised in that the pilot pin is 7 fonts, 7 font
Vertical portion can pass through the through hole.
3. rail fixing bolt according to claim 2, it is characterised in that also emitted including magnetic, the magnetic emits interior
Along screw thread is provided with, the internal diameter that the direction of the screw thread and the magnetic emit is engaged in second threaded rod.
4. rail fixing bolt according to claim 3, it is characterised in that the magnetic emits bottom and sets fluted, institute
The shape for stating groove is engaged in the shape of the 7 font horizontal part.
5. rail fixing bolt according to claim 1, it is characterised in that be also sheathed on institute including packing ring, the packing ring
The second threaded rod is stated, between first nut and second nut.
6. rail fixing bolt according to claim 5, it is characterised in that the packing ring is anistree pad, spirotallic gasket
And at least one of wave tooth spacer.
7. rail fixing bolt according to claim 1, it is characterised in that the pilot pin is by wear-resistant metal material system
Into.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710846344.8A CN107489683A (en) | 2017-09-19 | 2017-09-19 | Rail fixing bolt |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710846344.8A CN107489683A (en) | 2017-09-19 | 2017-09-19 | Rail fixing bolt |
Publications (1)
Publication Number | Publication Date |
---|---|
CN107489683A true CN107489683A (en) | 2017-12-19 |
Family
ID=60652005
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710846344.8A Pending CN107489683A (en) | 2017-09-19 | 2017-09-19 | Rail fixing bolt |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107489683A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112325008A (en) * | 2020-11-19 | 2021-02-05 | 浙江恒展机械有限公司 | Novel double-nut pipe joint |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN87212522U (en) * | 1987-11-25 | 1988-09-07 | 上海铁路分局苏州工务段 | Protective cover for bolts and nuts |
CN2268046Y (en) * | 1996-11-28 | 1997-11-19 | 张东顺 | Anti-staining device for screw bolt of railway sleeper |
CN203593920U (en) * | 2013-03-20 | 2014-05-14 | 沃斯洛工厂有限公司 | System of fixed rail, rail fixed point and assembly establishment therewith |
CN105088902A (en) * | 2014-05-13 | 2015-11-25 | 申书达 | Ratchet type anti-loose and anti-theft sleeper bolt assembly |
CN206092651U (en) * | 2016-09-30 | 2017-04-12 | 浙江德盛铁路器材股份有限公司 | Double thread bolt |
-
2017
- 2017-09-19 CN CN201710846344.8A patent/CN107489683A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN87212522U (en) * | 1987-11-25 | 1988-09-07 | 上海铁路分局苏州工务段 | Protective cover for bolts and nuts |
CN2268046Y (en) * | 1996-11-28 | 1997-11-19 | 张东顺 | Anti-staining device for screw bolt of railway sleeper |
CN203593920U (en) * | 2013-03-20 | 2014-05-14 | 沃斯洛工厂有限公司 | System of fixed rail, rail fixed point and assembly establishment therewith |
CN105088902A (en) * | 2014-05-13 | 2015-11-25 | 申书达 | Ratchet type anti-loose and anti-theft sleeper bolt assembly |
CN206092651U (en) * | 2016-09-30 | 2017-04-12 | 浙江德盛铁路器材股份有限公司 | Double thread bolt |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112325008A (en) * | 2020-11-19 | 2021-02-05 | 浙江恒展机械有限公司 | Novel double-nut pipe joint |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171219 |
|
WD01 | Invention patent application deemed withdrawn after publication |