CN2687160Y - Anticorrosive sleeper screw for circular truncated cone root - Google Patents
Anticorrosive sleeper screw for circular truncated cone root Download PDFInfo
- Publication number
- CN2687160Y CN2687160Y CN 200420006797 CN200420006797U CN2687160Y CN 2687160 Y CN2687160 Y CN 2687160Y CN 200420006797 CN200420006797 CN 200420006797 CN 200420006797 U CN200420006797 U CN 200420006797U CN 2687160 Y CN2687160 Y CN 2687160Y
- Authority
- CN
- China
- Prior art keywords
- screw
- anticorrosion
- round platform
- spike
- threaded portion
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Bolts, Nuts, And Washers (AREA)
Abstract
The utility model provides an anticorrosive sleeper screw for circular truncated cone root, which is a double head screw rod. The double head screw rod is provided with a first and a second screw parts. On a screw rod part between the first and the second screw parts, an anticorrosive sleeve is arranged; at least the second screw part stretched into the anticorrosive sleeve whose peripheral wall is provided with a circular truncated cone; the anticorrosive sleeve is embedded with the stretching end of the second screw part stretching into the sleeve and tightly wraps the screw rod part. The anticorrosive sleeve protects the screw root of the sleeper screw from exposing outside, and has good protective effect to the screw root. The utility model has the advantages that the harm of drawing-down caused by corrosion in the public known technique is overcome, the maintenance by manual work and the oiling cost are saved, the frequency and the cost of maintenance are reduced, the service life of the sleeper screw is prolonged, the sleeper screw is protected from corrosion and failure during the use period, and the safety of the running of train is guaranteed.
Description
Technical field
The utility model relates to a kind of screw spike, especially a kind ofly is provided with anticorrosion cover on screw spike, can reach the anticorrosion screw spike of the anticorrosion purpose round platform of round platform root root effectively.
Background technology
The connecting mode of present known rail and sleeper mainly is, by the sulfur cement mortar anchorage technology railway spike being buried casting on sleeper is anchored in the sleeper hole, as shown in Figure 1, be known railway spike 1 ', one end 11 ' buries casting and is anchored in the sleeper hole, and the other end 12 ' is fixed on rail on the sleeper by union pieces such as fastener, cushion block, nuts.In known technology, be provided with the boss 14 ' that an one is shaped between described railway spike 1 ' two links 11 ', 12 ', be called round platform 14 ' again, boss 14 ' the root 13 ' that is fixed on the railway spike on the sleeper is exposed to the external world, the method of the artificial oiling of its anticorrosion main dependence, have following shortcoming:, make manually can not all be coated with to oil at road oncomelania root 1, because of the restriction of fastener structures; 2, because of outside the root of sleeper railway spike is exposed to, for guaranteeing in valid expiration date, to connect firmly between sleeper railway spike and sleeper, reduce maintenance time, guarantee train operating safety, want oiling several times in common 1 year, thereby need spend great amount of manpower and material resources; 3, because of incomplete in oiling, and the ambient influnence of wind and weather, preservative oil is limited to the guard time of this sleeper railway spike, does not finally also reach the corrosion-resistant purpose.
In addition, the position of its defecation device of present passenger vehicle is aimed at the position of this sleeper railway spike just, has then further aggravated the railway spike corrosion.In the use, both made by above-mentioned artificial maintenance, maintenance, on busy railway track, described railway spike boss root 13 ' the same undergauge phenomenon that easily produces as shown in Figure 2, its diameter reduces can reach about 10mm, greatly reduces the steadiness of rail.In train travelling process, rail produces vibration, easily makes this undergauge place fracture, seriously threatens the safety of people's lives and properties, is a big hidden danger of safe train operation.
The design people in the experience and knowledge accumulation of this area, for overcoming the above-mentioned defective that known sleeper railway spike exists, through arduous research and development, develops the anticorrosion screw spike of round platform root of the present utility model according to for many years finally.
Summary of the invention
The technical problems to be solved in the utility model is: a kind of sleeper screw spike is provided, especially a kind of on railway spike driving fit be coated with an anticorrosion cover, thereby thoroughly solve the anticorrosion screw spike of round platform root of the anticorrosion problem of railway spike round platform root.
For this reason, the utility model proposes the anticorrosion screw spike of a kind of round platform root, described railway spike is a double end screw rod, have first threaded portion, second threaded portion is a threaded shank between described first and second threaded portion, wherein, one anticorrosion cover closely is coated on this threaded shank, and at least the second threaded portion stretches to this anticorrosion cover, and the periphery wall of described anticorrosion cover is provided with a ring round platform.
The anticorrosion screw spike of aforesaid round platform root, described second threaded portion stretch inserting end length to anticorrosion cover more than or equal to 5mm.
The anticorrosion screw spike of aforesaid round platform root, the screw thread nominal diameter of described this inserting end equate that with the nominal diameter of second threaded portion wherein the footpath is greater than the middle footpath of second threaded portion.
The anticorrosion screw spike of aforesaid round platform root, described anticorrosion cover are and the close-fitting anticorrosion cover of railway spike injection moulding.
The anticorrosion screw spike of aforesaid round platform root, described threaded shank coated has one deck corrosion-inhibiting coating.
The anticorrosion screw spike of aforesaid round platform root, described corrosion-inhibiting coating can be the iron oxide red anticorrosion coat.
The anticorrosion screw spike of aforesaid round platform root, described anticorrosion cover can be the anticorrosion cover that is made of engineering plastics, nylon.
Advantage of the present utility model and characteristics are: by at described railway spike first, one anticorrosion cover is set on the threaded shank between two threaded portions, the periphery wall of this anticorrosion cover is provided with a ring round platform (being boss), and this anticorrosion cover also closely is coated on described threaded shank with the inserting end tabling that deeply overlaps the second interior threaded portion, outside thereby the thread root (being the round platform root) that can avoid railway spike is exposed to, the double thread root has played good protective action, overcome the harm that causes round platform root undergauge in the known technology owing to corrosion, save manual maintenance and oiling expense, maintenance frequency and cost have been reduced, improved the application life of sleeper railway spike greatly, avoid the sleeper screw spike to be corroded and lost efficacy, guaranteed train operating safety in the life cycle internal cause.
Description of drawings
Fig. 1 is the structural representation of known railway spike;
Fig. 2 is the schematic diagram after known railway spike is corroded;
Fig. 3 is a decomposing schematic representation of the present utility model;
Fig. 4 partly cuts open schematic diagram for bonding state of the present utility model;
Fig. 5 is a user mode schematic diagram of the present utility model.
The specific embodiment
Now conjunction with figs. and specific embodiment are further described the utility model.
Shown in Fig. 3,4, the anticorrosion screw spike 1 of the round platform root that the utility model proposes, it is a double end screw rod, having 11, the second threaded portions 12, first threaded portion, is threaded shank 13 between described first and second threaded portion, one anticorrosion cover 2 closely is coated on this threaded shank 13, described second threaded portion 12 stretches to this anticorrosion cover 2, and the periphery wall of described anticorrosion cover 2 is provided with a ring round platform 21, and this round platform 21 can play positioning action when anchor spike.Described anticorrosion cover can closely cooperate by injection moulding mode and described screw spike 1, and this anticorrosion cover can be made of nonmetal anti-corrosion material, as can be engineering plastics, nylon etc.
As shown in Figure 4, described second threaded portion 12 stretches the length L of the inserting end 121 to anticorrosion cover 2 more than or equal to 5mm, the inwall of described anticorrosion cover 2 can be embedded in the screw thread of this inserting end 121, and reach tight, firm cooperating by this threaded portion between railway spike.The screw thread nominal diameter of described this inserting end 121 equates that with the nominal diameter of second threaded portion 12 wherein the footpath is greater than the middle footpath of second threaded portion 12.
Be further to improve the antiseptic property of railway spike, but on described threaded shank 13 coated one deck corrosion-inhibiting coating, for example can be the corrosion-inhibiting coating that the iron oxide red heavy-duty antiseptic paint constitutes.And then the anticorrosion cover of injection moulding, thereby can prevent that in use described anticorrosion cover 2 from producing breaks, and cause railway spike threaded shank 13 very fast by corrosion.
Operating principle of the present utility model is: by the injection moulding mode, anticorrosion cover 2 closely is coated on described threaded shank 13, because second threaded portion 12 stretches to this anticorrosion cover 2, the inserting end 121 tight chimeric settings of described anticorrosion cover 2 and this second threaded portion, described round platform 21 is arranged at the periphery wall of anticorrosion cover 2.During use, as shown in Figure 5, first threaded portion 11 of this anticorrosion screw spike 1 is screwed in the sulfur cement mortar anchorage agent 32 of concrete sleepers 3 anchor holes 31 fixedly connected, in this fixedly connected process, will the be sealed by extrusion abutting end of above-mentioned anticorrosion cover 2 bottoms and railway spike threaded shank of described sulfur cement mortar anchorage agent 32.Because in injection moulding process, this anticorrosion cover 2 and the tight securely chimeric setting of inserting end 121 of stretching into second threaded portion in the cover, thereby make the sealing of anticorrosion cover 2 tops and railway spike threaded shank, dirt in can preventing from effectively to use contacts with the railway spike screw division, corrosion railway spike threaded shank 13, overcome the harm that causes the threaded shank undergauge in the known technology owing to corrosion, save manual maintenance and oiling expense, maintenance frequency and cost have been reduced, improved the application life of sleeper railway spike greatly, avoid the sleeper screw spike to be corroded and lost efficacy, guaranteed train operating safety in the life cycle internal cause.
In addition, because the screw thread nominal diameter of described this inserting end 121 equates with the nominal diameter of second threaded portion 12, wherein the footpath is greater than the middle footpath of second threaded portion 12, thereby guarantee in installation process, when screwing nut 5 and be fixed on rail 6 on the sleeper 3 by connectors such as fastener 4 and backing plates, unlikely anticorrosion cover 2 is revolved by railway spike threaded shank 13 taken off, and also avoided simultaneously because excessive screwing nut 5 and danger that anticorrosion cover 2 rotary-cuts are destroyed.
The above only is a specific embodiment of the present utility model, can not limit the scope that the utility model is implemented with this; I.e. any variation and the modification of being done according to the utility model claims generally all belongs to the scope of the utility model patent protection.
Claims (7)
1, the anticorrosion screw spike of a kind of round platform root, described railway spike is a double end screw rod, has first threaded portion, second threaded portion, be threaded shank between described first and second threaded portion, it is characterized in that: an anticorrosion cover closely is coated on this threaded shank, and at least the second threaded portion stretches to this anticorrosion cover, and the periphery wall of described anticorrosion cover is provided with a ring round platform.
2, the anticorrosion screw spike of round platform root according to claim 1 is characterized in that: described second threaded portion stretches inserting end length to anticorrosion cover more than or equal to 5mm.
3, the anticorrosion screw spike of round platform root according to claim 2 is characterized in that: the screw thread nominal diameter of described this inserting end equates that with the nominal diameter of second threaded portion wherein the footpath is greater than the middle footpath of second threaded portion.
4, according to the anticorrosion screw spike of each described round platform root of claim 1 to 3, it is characterized in that: described anticorrosion cover is and the close-fitting anticorrosion cover of railway spike injection moulding.
5, the anticorrosion screw spike of round platform root according to claim 4, it is characterized in that: described threaded shank coated has one deck corrosion-inhibiting coating.
6, the anticorrosion screw spike of round platform root according to claim 5, it is characterized in that: described corrosion-inhibiting coating can be the iron oxide red anticorrosion coat.
7, the anticorrosion screw spike of round platform root according to claim 4 is characterized in that: described anticorrosion cover can be the anticorrosion cover that is made of engineering plastics, nylon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420006797 CN2687160Y (en) | 2004-03-12 | 2004-03-12 | Anticorrosive sleeper screw for circular truncated cone root |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420006797 CN2687160Y (en) | 2004-03-12 | 2004-03-12 | Anticorrosive sleeper screw for circular truncated cone root |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2687160Y true CN2687160Y (en) | 2005-03-23 |
Family
ID=34668102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420006797 Expired - Fee Related CN2687160Y (en) | 2004-03-12 | 2004-03-12 | Anticorrosive sleeper screw for circular truncated cone root |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2687160Y (en) |
-
2004
- 2004-03-12 CN CN 200420006797 patent/CN2687160Y/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8840036B2 (en) | Screw anchor for rail attachments | |
| AU2011257533A1 (en) | Plastic screw plug for attaching a rail to a sleeper | |
| CN110513127A (en) | A kind of embedded replaceable conduit and installation method being easy to formwork erection installation positioning | |
| CN2687160Y (en) | Anticorrosive sleeper screw for circular truncated cone root | |
| CN202031026U (en) | Finished cable type anchorage anchoring system | |
| CN201362910Y (en) | Novel sealing structure for anchor device | |
| US20160201712A1 (en) | Fastener for in situ fluid injection | |
| CN207512601U (en) | A kind of water-tight device for being suitable for repairing Existing Railway Line bridge expanssion joint | |
| US6439470B1 (en) | Prefabricated embedded railway track system with removable inserts | |
| CN210916816U (en) | Fastener mounting structure of rail | |
| CN2670420Y (en) | Threaded dog nail of preembedded plastic casing pipe concrete sleeper | |
| CN206529697U (en) | A kind of steel for wire drawing | |
| CN2651498Y (en) | Anti-loosen sealing bolt | |
| CN218932854U (en) | Anti-loose structure for expansion joint of comb plate | |
| CN219282225U (en) | Anti-loosening nut | |
| CN2538837Y (en) | Sleeper bolt corrosion-proof cover | |
| CN205134108U (en) | Railway rails bolt is female | |
| CN204553508U (en) | A kind of railroad bridge waterproofing fastening piece | |
| CN205171284U (en) | Train track fastening systems bolt locking device | |
| CN214578236U (en) | Locking eccentric nut of annular groove that moves for motor car track | |
| CN112376708B (en) | Deformation joint node waterproof structure for preventing water stop belt from being pulled apart | |
| CN206529696U (en) | A kind of parallel wire stay anchor head | |
| CN200955120Y (en) | Structure-improved anchor-fixing type telescopic slit device | |
| KR20120003634U (en) | Erosiom Shield a nut as bolt cap | |
| CN220352543U (en) | Crossing plate and spike assembly thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050323 Termination date: 20120312 |