CN103629213A - Asphalt pavement screw - Google Patents
Asphalt pavement screw Download PDFInfo
- Publication number
- CN103629213A CN103629213A CN201310664820.6A CN201310664820A CN103629213A CN 103629213 A CN103629213 A CN 103629213A CN 201310664820 A CN201310664820 A CN 201310664820A CN 103629213 A CN103629213 A CN 103629213A
- Authority
- CN
- China
- Prior art keywords
- distortion
- surface screw
- asphalt surface
- mobile jib
- hole
- 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
Abstract
The invention relates to an asphalt pavement screw, which comprises a main rod, a jacket, a pressing piece and a nut, wherein the main rod is a cylindrical rod, and a table-board for supporting the jacket is arranged at the lower end of the main rod; the middle of the main rod penetrates through an inner hole of the jacket, and a threaded section is arranged at the upper part of the main rod; the pressing piece and the nut are arranged on the threaded section, and at least two deformation holes are arranged on the jacket; the middle of each deformation hole is larger than the upper and lower sides of each deformation hole, and a deformation part is arranged between the adjacent deformation holes; the width of the middle of each deformation part is smaller than that of the upper and lower sides of the deformation part. After the asphalt pavement screw is assembled, the screw can not be disengaged from an asphalt pavement even when being impacted because of strong bonding force with an asphalt road; the asphalt pavement screw is used to fix a road railing, so that the fastness of road railing assembly can be enhanced.
Description
Technical field
The present invention relates to public transport auxiliary facility field, particularly a kind of asphalt surface screw for guardrail being fixed on asphalt road.
Background technique
Constantly perfect along with road equipment, in the middle of the road of most cities, the spaced-apart locations in up-downgoing track arranges guardrail, between motor way and bicycle lane, be also provided with guardrail simultaneously, the column bottom of guardrail arranges base, base normally adopts steel nail to fix, in the time of fixedly, first on asphalt road, bore distortion hole, and then steel nail is knocked in distortion hole, because the outer wall of this steel nail is for being cylindricality, frictional force to ground is less, when guardrail is subject to external impact power, steel nail is easy to depart from from asphalt road, road guard is lost fixing.Some places have adopted swell fixture to be fixed railing, but swell fixture is in rundown process, intumescent sheet is be subject to the active force of push rod and open, the angle of opening is less, therefore, and with the force limited of distortion wall surface of the hole, when being subject to larger shock, railing still can fall down, and therefore, need to design a kind of fixing screw of railing that is exclusively used in asphalt surface.
Summary of the invention
The object of the invention is to adopt steel nail or the fixing unstable problem of existing setscrew for existing guard against error railing pointed in background technique, a kind of asphalt surface screw that can solve foregoing problems is provided.
The technological scheme that realizes goal of the invention of the present invention is as follows:
A kind of asphalt surface screw, this asphalt surface screw comprises mobile jib, overcoat, compressing tablet and nut, described mobile jib is cylindrical rods, the lower end of mobile jib be provided with that external cover supports table top, the middle part of mobile jib is through the endoporus of overcoat, the top of mobile jib is provided with thread section, described compressing tablet and nut are arranged on this thread section, put outward and be provided with at least two distortion holes, the middle part in distortion hole is larger than the both sides up and down in distortion hole, position between adjacent distortion hole is variant part, and the width at the middle part of variant part is less than the width of the both sides up and down of variant part.
When making nut screwing clamping, compressing tablet and table top coordinate externally cover to push from the both direction up and down of overcoat respectively, and the outer variant part putting can be deformed under squeezing action, and described distortion hole be the oval hole that is out of shape.The middle part width in oval distortion hole is larger than upper and lower both sides, so just between two adjacent distortion holes, formed variant part, variant part is under pressure after distortion, open to the outside of mobile jib the centre of variant part, formed tooth, tooth extend in the pitch layer of asphalt road, makes asphalt surface screw form and firmly be connected with asphalt road, make asphalt surface screw when being subject to external force, cannot from pitch layer, depart from.
Further, the distortion hole that described distortion hole is rhombus.The distortion hole effect of rhombus is better than oval-shaped distortion hole using effect, and variant part is more easily out of shape, and the dental transition that distortion produces easily enters in pitch layer.
In order to ensure the intensity of overcoat, described overcoat is that seamless steel pipe is made.
In order to ensure the intensity of mobile jib, described mobile jib is cast steel.
When making nut screwing clamping, pressure can stepless action on compressing tablet, make the circumferential uniform stressed of overcoat, between described nut and compressing tablet, be provided with packing ring.
In order to make the outer variant part putting when the distortion, can Reducing distortion resistance, top and the both sides, bottom in described distortion hole are respectively arranged with vent.
Asphalt surface screw of the present invention in use, first on asphalt road, hole, then asphalt surface screw of the present invention is installed in the hole of having bored, then use spanner by the nut screwing clamping on mobile jib, in the process of fastening nut, nut can be exerted pressure to compressing tablet, make compressing tablet by active force effect on the coat, along with constantly tightening of nut, pressure increases gradually, the variant part putting outward between adjacent distortion hole is under pressure and can be out of shape gradually, variant part can be crooked towards the direction away from mobile jib, form dentation, because be provided with on the coat at least two distortion holes, so can form at least two teeth on the coat, along with tightening of nut, the wedge angle of tooth can reduce gradually, each tooth can penetrate in pitch layer, combine securely with asphalt road, even if guard against error railing is clashed into, asphalt surface screw of the present invention can not spin off from asphalt road yet, strengthened greatly the intensity that guard against error railing is installed.
Accompanying drawing explanation
Fig. 1 is the structural representation of asphalt surface screw of the present invention;
Fig. 2 is the schematic diagram after the variant part of asphalt surface screw of the present invention is out of shape;
In figure, 1 is mobile jib, and 2 is overcoat, and 3 is compressing tablet, and 4 is nut, and 5 is table top, and 6 is thread section, and 7 is distortion hole, and 8 is variant part, and 9 is pitch layer, and 10 is distortion tooth, and 11 is packing ring, and 12 is vent.Embodiment
Embodiment 1
A kind of asphalt surface screw shown in seeing figures.1.and.2, this asphalt surface screw comprises mobile jib 1, overcoat 2, compressing tablet 3 and nut 4, mobile jib 1 material is the metallic material that intensity is larger, preferably water Cast Steel, described mobile jib 1 is cylindrical rods, the lower end of mobile jib 1 be provided with overcoat 2 is supported table top 5, this table top 5 is integrated with mobile jib 1, the middle part of mobile jib 1 is through the endoporus of overcoat 2, the top of mobile jib 1 is provided with thread section 6, described compressing tablet 3 and nut 4 are arranged on this thread section 6, on overcoat 2, be provided with two distortion holes 7, this distortion hole 7 is along the axial direction setting of overcoat 2, the middle part in distortion hole 7 is larger than the both sides up and down in distortion hole 7, position between adjacent distortion hole 7 is variant part 8, the width at the middle part of variant part 8 is less than the width of the both sides up and down of variant part 8.
Asphalt surface screw of the present invention in use, first on asphalt road, hole, then asphalt surface screw of the present invention is installed in the hole of having bored, then use spanner that the nut on mobile jib 14 is tightened, in the process of fastening nut 4, nut 4 can be exerted pressure to compressing tablet 3, compressing tablet 3 is acted on active force on overcoat 2, along with constantly tightening of nut 4, pressure increases gradually, variant part 8 on overcoat 2 between adjacent distortion hole 7 is under pressure and can be out of shape gradually, variant part 8 can be crooked towards the direction away from mobile jib 1, form distortion tooth 10, because be provided with two distortion holes 7 on overcoat 2, so can form two distortion teeth 10 on overcoat 2, along with tightening of nut 4, the wedge angle of distortion tooth 10 can reduce gradually, each distortion tooth 10 can penetrate in pitch layer 9, combine securely with asphalt road, even if guard against error railing is clashed into, asphalt surface screw of the present invention can not spin off from asphalt road yet, strengthened greatly the intensity that guard against error railing is installed.
Embodiment 2
On embodiment 1 basis, when nut 4 is tightened, compressing tablet 3 and table top 5 push overcoat 2 from the cooperation of both direction up and down of overcoat 2 respectively, and the variant part 8 on overcoat 2 can be deformed under squeezing action, and described distortion hole 7 is oval distortion hole.The middle part width in oval distortion hole is larger than upper and lower both sides, so just between two adjacent distortion holes, formed variant part 8, the variant part 8 forming narrows down to intermediate width gradually from upper and lower both sides, variant part is under pressure after distortion, open to the outside of mobile jib the centre of variant part, formed distortion tooth 10, distortion tooth 10 extend in the pitch layer 9 of asphalt road, make asphalt surface screw form and firmly be connected with asphalt road, make asphalt surface screw when being subject to external force, cannot from pitch layer, depart from.
Embodiment 3
In embodiment 1, preferred version is: described distortion hole 7 is the distortion hole of rhombus.The deformed perforation edge of rhombus is straight, and the edge of the variant part correspondingly forming is also straight, utilizes the spatial instability of parallelogram, the easier bending deflection of variant part, the process that enters into pitch layer at variant part, resistance is less, and the dental transition that distortion produces easily enters in pitch layer.
Embodiment 4
In embodiment 1 to embodiment 3, on described overcoat 2, be provided with four distortion holes 7, on overcoat 2, just can form like this 4 variant parts 8, after variant part 8 distortion, will form 4 distortion teeth 10, from four direction, form and be connected with pitch layer 9, make asphalt surface screw more firm with being connected of pitch layer 9.
Embodiment 5
On the basis of aforementioned several schemes, when making nut screwing clamping, pressure can stepless action on compressing tablet 3, make the circumferential uniform stressed of overcoat 2, between described nut 4 and compressing tablet 3, be provided with packing ring 11.
Embodiment 6
On the basis of aforementioned several schemes, in order to make the outer variant part putting when the distortion, can Reducing distortion resistance, top and the both sides, bottom in described distortion hole 7 are respectively arranged with vent 12.
Claims (7)
1. an asphalt surface screw, it is characterized in that: this asphalt surface screw comprises mobile jib, overcoat, compressing tablet and nut, described mobile jib is cylindrical rods, the lower end of mobile jib be provided with that external cover supports table top, the middle part of mobile jib is through the endoporus of overcoat, the top of mobile jib is provided with thread section, described compressing tablet and nut are arranged on this thread section, put outward and be provided with at least two distortion holes, the middle part in distortion hole is larger than the both sides up and down in distortion hole, position between adjacent distortion hole is variant part, the width at the middle part of variant part is less than the width of the both sides up and down of variant part.
2. asphalt surface screw according to claim 1, is characterized in that: described distortion hole is oval distortion hole.
3. asphalt surface screw according to claim 1, is characterized in that: the distortion hole that described distortion hole is rhombus.
4. asphalt surface screw according to claim 1, is characterized in that: described overcoat is that seamless steel pipe is made.
5. asphalt surface screw according to claim 1, is characterized in that: described mobile jib is cast steel.
6. asphalt surface screw according to claim 1, is characterized in that: between described nut and compressing tablet, be provided with packing ring.
7. asphalt surface screw according to claim 1, is characterized in that: described top, distortion hole and both sides, bottom are respectively arranged with vent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310664820.6A CN103629213A (en) | 2013-12-09 | 2013-12-09 | Asphalt pavement screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310664820.6A CN103629213A (en) | 2013-12-09 | 2013-12-09 | Asphalt pavement screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103629213A true CN103629213A (en) | 2014-03-12 |
Family
ID=50210584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310664820.6A Pending CN103629213A (en) | 2013-12-09 | 2013-12-09 | Asphalt pavement screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103629213A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113062907A (en) * | 2021-04-12 | 2021-07-02 | 夏俊文 | Expansion fastening bolt for cork material and mounting method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2229571Y (en) * | 1995-08-11 | 1996-06-19 | 陈志宗 | Nail body for gecko shape draw nail |
| CN2439561Y (en) * | 2000-09-13 | 2001-07-18 | 张绍喜 | Self-locking and dismountable type expending bolt |
| CN2464976Y (en) * | 2001-01-10 | 2001-12-12 | 罗惠琼 | Thin wall expanding screw |
| CN1534204A (en) * | 2003-04-01 | 2004-10-06 | 李福德 | Anchor bolt for hollow wall |
| JP3937326B2 (en) * | 2002-10-23 | 2007-06-27 | 若井産業株式会社 | Expanding anchor |
| CN101070869A (en) * | 2006-05-10 | 2007-11-14 | 久可工业股份有限公司 | Expansion screw |
| CN203670386U (en) * | 2013-12-09 | 2014-06-25 | 江苏安美捷交通设施有限公司 | Tarmac road surface screw |
-
2013
- 2013-12-09 CN CN201310664820.6A patent/CN103629213A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2229571Y (en) * | 1995-08-11 | 1996-06-19 | 陈志宗 | Nail body for gecko shape draw nail |
| CN2439561Y (en) * | 2000-09-13 | 2001-07-18 | 张绍喜 | Self-locking and dismountable type expending bolt |
| CN2464976Y (en) * | 2001-01-10 | 2001-12-12 | 罗惠琼 | Thin wall expanding screw |
| JP3937326B2 (en) * | 2002-10-23 | 2007-06-27 | 若井産業株式会社 | Expanding anchor |
| CN1534204A (en) * | 2003-04-01 | 2004-10-06 | 李福德 | Anchor bolt for hollow wall |
| CN101070869A (en) * | 2006-05-10 | 2007-11-14 | 久可工业股份有限公司 | Expansion screw |
| CN203670386U (en) * | 2013-12-09 | 2014-06-25 | 江苏安美捷交通设施有限公司 | Tarmac road surface screw |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113062907A (en) * | 2021-04-12 | 2021-07-02 | 夏俊文 | Expansion fastening bolt for cork material and mounting method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9051706B1 (en) | Helical pier with adjustable pierhead plates for supporting a structure above a ground surface | |
| CN105952241B (en) | A kind of combination base for the dismounting of composite material electric pole Fast Installation | |
| CN203670386U (en) | Tarmac road surface screw | |
| CN204512120U (en) | Connect bearing pin | |
| CN103629213A (en) | Asphalt pavement screw | |
| JP5747053B2 (en) | Foundation pile and supporting foundation | |
| CN105155408B (en) | Bridge anti-overturning support and construction method thereof | |
| CN104452624A (en) | Truncated-cone-shaped height-adjustable guardrail fixing cap and application method thereof | |
| JP5877573B1 (en) | Prop fixture | |
| CN204386140U (en) | A kind of recoverable suspension scaffold shaped steel anchor device | |
| CN204238148U (en) | Truncated cone-shaped adjustment height guardrail locking cap | |
| CN204059947U (en) | A kind of self-stabilization type outer wall formwork of basement support system | |
| KR20120005745U (en) | Temporary installation fixing clamp | |
| CN206941412U (en) | The high pier cast-in-situ beam anchor ear rod iron sectional shelf-unit of highway | |
| GB2482978A (en) | Device for supporting a tapered post | |
| JP5500719B2 (en) | Nut with washer | |
| KR101636216B1 (en) | Foundation structure for pillar | |
| CN205709591U (en) | The novel flexible attachment device of derrick crane | |
| CN205443936U (en) | Bridge guardrail | |
| CN202969270U (en) | Vertical steel strand anchoring end limit protection device | |
| JP5607774B2 (en) | Support structure for support pipe | |
| CN204458719U (en) | A kind of EXPANSION ANCHOR BOLTS effectively can avoiding getting loose | |
| CN104234184B (en) | A kind of length-adjustable depression bar and an apical organ for prestressed cable bar network | |
| CN202468637U (en) | Nut block | |
| CN203890921U (en) | Steel pipe cable combined beam |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140312 |