CN215561566U - Novel wide sleeper fastener for tramcar - Google Patents
Novel wide sleeper fastener for tramcar Download PDFInfo
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- CN215561566U CN215561566U CN202121648633.5U CN202121648633U CN215561566U CN 215561566 U CN215561566 U CN 215561566U CN 202121648633 U CN202121648633 U CN 202121648633U CN 215561566 U CN215561566 U CN 215561566U
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Abstract
The utility model discloses a novel wide sleeper fastener for a tramcar, which comprises a base plate and is characterized in that: the steel rail anti-loosening device is characterized in that a steel rail is fixedly mounted at the upper end of the base plate, a sleeper is fixedly mounted at the lower end of the base plate, spiral spikes are fixedly mounted on two sides of the upper end of the base plate, a fixing nut is fixedly mounted below the top of each spiral spike, each spiral spike penetrates through the base plate, a threaded sleeve is fixedly mounted at the lower end of each spiral spike, an upper nut is fixedly mounted below each threaded sleeve, a lower nut is fixedly mounted at the lower end of each upper nut, each upper nut and each lower nut penetrate through the threaded sleeves, flexible springs are movably connected to two ends of each upper nut and each lower nut, an elastic base plate is movably mounted at the upper end of the base plate, and fixing plates are fixedly mounted below two ends of each elastic base plate.
Description
Technical Field
The utility model relates to the technical field of sleeper fasteners, in particular to a novel wide sleeper fastener for a tramcar.
Background
Along with the rapid development of urban rail transit trade in recent years, tram is with its economy, comfortable, energy-conservation, the advantage of environmental protection, receive people's favor more and more, consequently, demand to tram fastener system, and the requirement of fastener performance also is higher and higher, tram fastener is mostly buried underground, the fastener is insulating, the damping, the atress, corrosion resistant, locking requirement becomes the problem that tram fastener system urgently needed to be solved, current fastener exists locking effect poor, anticorrosive insulating properties is poor, the spring strip withholds the effect and changes the scheduling problem after heightening, influence train driving safety, consequently, it is very necessary to design a novel wide sleeper fastener for tram that the practicality is strong and automatic fastening and locking effectual.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a novel wide sleeper fastener for a tramcar, which aims to solve the problems in the background technology.
In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a novel wide sleeper fastener for tram, includes the base plate, its characterized in that: the upper end fixed mounting of base plate has the rail, the lower extreme fixed mounting of base plate has the sleeper, the equal fixed mounting in upper end both sides of base plate has the spiral spike, the top below fixed mounting of spiral spike has fixation nut, the spiral spike passes the base plate, the lower extreme fixed mounting of spiral spike has the screw thread sleeve pipe.
According to the technical scheme, an upper nut is fixedly mounted below the threaded sleeve, a lower nut is fixedly mounted at the lower end of the upper nut, the upper nut and the lower nut both penetrate through the threaded sleeve, and flexible springs are movably connected to the two ends of the upper nut and the lower nut.
According to the technical scheme, the upper end movable mounting of base plate has the elasticity backing plate, the both ends below fixed mounting of elasticity backing plate has the fixed plate, the equal fixed mounting in below both ends of fixed plate has the bracing piece, the fixed plate all is in the inside of base plate with the bracing piece, the lower extreme fixed mounting of bracing piece is at the both ends of last nut.
According to the technical scheme, the lower ends of the fixing nuts are fixedly provided with the flat washers, the lower ends of the flat washers are fixedly provided with the elastic strips, and the elastic strips are located at the upper ends of the base plates.
According to the technical scheme, the flat gasket is tightly attached to the elastic strip, and the elastic strip is tightly connected with the base plate.
According to the technical scheme, the elastic strips and the base plate are made of high-strength non-metal materials.
Compared with the prior art, the utility model has the following beneficial effects: in the utility model, the raw materials are mixed,
(1) the fixing nut and the base plate are arranged, the fixing nut is manually sleeved on the screw spike, the screw spike penetrates through the base plate and is aligned with the lower threaded sleeve, and the upper fixing nut is manually fastened to enable the screw spike to be fixedly connected with the threaded sleeve, so that looseness is difficult to generate in the driving vibration process, the later-period operation maintenance re-screwing period is prolonged, and the safety of a fastener system is ensured;
(2) by arranging the threaded sleeve and the flexible spring, when the threaded sleeve is screwed up manually, the upper nut and the lower nut are screwed up through the worm transmission of the threaded sleeve, so that the distance between the upper nut and the lower nut is shortened, the threaded sleeve is screwed up for the second time and is firmer, and the flexible spring is bent and expanded outwards along with thrust, so that the anti-loosening performance of a fastener system is effectively improved, and the fastening and adjusting mode of the fastener is improved, so that the driving safety of a train is ensured;
(3) through being provided with elastic backing plate and bracing piece, when the train was to sleeper pressure, the pressure moved the rail, and the rail pushes down the elastic backing plate of below, and the elastic backing plate promotes the below fixed plate after receiving pressure, and the fixed plate drives the last nut pressure of bracing piece to the below, makes it once more with the fastening to the thread bush, prevents that its live time overlength from appearing becoming flexible to it withholds stability to have stabilized the rail, improves its locking effect.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic plan view of the overall structure of the present invention;
FIG. 2 is a schematic view of the spiral casing of the present invention after it has been tightened;
in the figure: 1. a steel rail; 2. an elastic backing plate; 3. a spring bar; 4. a screw spike; 5. a flat washer; 6. fixing a nut; 7. a substrate; 8. a sleeper; 9. a threaded bushing; 10. screwing a nut; 11. a flexible spring; 12. a lower nut; 13. a support bar; 14. and (7) fixing the plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides the following technical solutions: the utility model provides a novel wide sleeper fastener for tram, includes base plate 7, its characterized in that: the steel rail 1 is fixedly installed at the upper end of the base plate 7, the sleeper 8 is fixedly installed at the lower end of the base plate 7, the spiral spikes 4 are fixedly installed on two sides of the upper end of the base plate 7, the fixing nuts 6 are fixedly installed below the tops of the spiral spikes 4, the spiral spikes 4 penetrate through the base plate 7, the threaded sleeves 9 are fixedly installed at the lower ends of the spiral spikes 4, the fixing nuts 6 are manually sleeved on the spiral spikes 4, the spiral spikes 4 penetrate through the base plate 7 and are aligned with the threaded sleeves 9 below, the fixing nuts 6 above are manually fastened, and the spiral spikes 4 and the threaded sleeves 9 are fixedly connected, so that looseness is difficult to generate in the driving vibration process, the later-period of repeated operation and maintenance is prolonged, and the safety of a fastener system is ensured;
an upper nut 10 is fixedly installed below the threaded sleeve 9, a lower nut 12 is fixedly installed at the lower end of the upper nut 10, the upper nut 10 and the lower nut 12 both penetrate through the threaded sleeve 9, flexible springs 11 are movably connected to two ends of the upper nut 10 and the lower nut 12, when the threaded sleeve 9 is screwed up manually, worm transmission of the threaded sleeve 9 screws the upper nut 10 and the lower nut 12, the distance between the upper nut and the lower nut is shortened, the threaded sleeve 9 is screwed up for the second time, and is firmer, at the moment, the flexible springs 11 bend and expand outwards along with thrust, the anti-loosening performance of a fastener system is effectively improved, and the fastening and adjusting mode of a fastener is improved, so that the driving safety of a train is guaranteed;
the upper end of the base plate 7 is movably provided with an elastic base plate 2, the lower parts of the two ends of the elastic base plate 2 are fixedly provided with fixing plates 14, the two ends of the lower part of the fixing plates 14 are fixedly provided with supporting rods 13, the fixing plates 14 and the supporting rods 13 are positioned in the base plate 7, the lower ends of the supporting rods 13 are fixedly arranged at the two ends of the upper nuts 10, after the sleeper 8 is fixed, a train can press the sleeper 8 each time after passing through the sleeper 8, and the sleeper 8 can reset and rebound each time after passing through the sleeper 8, so that slight looseness of the threaded sleeves 9 can occur in the process, the safety of the train can be affected after a long time, when the train presses the sleeper 8, the steel rail 1 is pressed, the elastic base plate 2 below the steel rail 1 is pressed, the lower fixing plate 14 is pushed by the elastic base plate after being pressed, the fixing plates 14 drive the supporting rods 13 to press the upper nuts 10 below the threaded sleeves 9, and the threaded sleeves 9 are fastened again, the looseness of the steel rail 1 caused by overlong service time is prevented, so that the buckling stability of the steel rail 1 is stabilized, and the looseness-proof effect of the steel rail is improved;
the lower ends of the fixing nuts 6 are fixedly provided with flat washers 5, the lower ends of the flat washers 5 are fixedly provided with elastic strips 3, the elastic strips 3 are positioned at the upper ends of the base plates 7, when the screw spikes 4 are screwed down manually, the flat washers 5 and the elastic strips 3 below the screw spikes are pressed down, so that the screw spikes and the fastener system are combined better, the stress of the fasteners is ensured, when a train presses a steel rail, the buckling state of the elastic strips 3 is not changed, the damping effect is realized on the sleeper 8, and the stability of the sleeper is improved;
the flat washer 5 is tightly attached to the elastic strip 3, the elastic strip 3 is tightly connected with the base plate 7, and the flat washer 5 is in buckling and pressing fit with the elastic strip 3, so that the load applied when a train passes through is effectively borne, the abrasion to the sleeper 8 is greatly reduced, and the sleeper is protected;
the elastic strips 3 and the base plate 7 are made of high-strength non-metallic materials, so that the corrosion resistance, the insulating property, the stability and the installation efficiency of the fastener can be improved, and the maintenance and repair work caused by insulation and corrosion problems in the operation process can be effectively reduced.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a novel wide sleeper fastener for tram, includes base plate (7), its characterized in that: the utility model discloses a railway ballast fixing device, including base plate (7), the upper end fixed mounting of base plate (7) has rail (1), the lower extreme fixed mounting of base plate (7) has sleeper (8), the equal fixed mounting in upper end both sides of base plate (7) has spiral spike (4), the top below fixed mounting of spiral spike (4) has fixation nut (6), base plate (7) are passed in spiral spike (4), the lower extreme fixed mounting of spiral spike (4) has threaded sleeve (9).
2. The novel wide sleeper fastener for tram car according to claim 1, characterized in that: the lower part of the threaded sleeve (9) is fixedly provided with an upper nut (10), the lower end of the upper nut (10) is fixedly provided with a lower nut (12), the upper nut (10) and the lower nut (12) both penetrate through the threaded sleeve (9), and both ends of the upper nut (10) and the lower nut (12) are movably connected with a flexible spring (11).
3. The novel wide sleeper fastener for tram car according to claim 2, characterized in that: the upper end movable mounting of base plate (7) has elastic backing plate (2), the both ends below fixed mounting of elastic backing plate (2) has fixed plate (14), the equal fixed mounting in below both ends of fixed plate (14) has bracing piece (13), fixed plate (14) and bracing piece (13) all are in the inside of base plate (7), the lower extreme fixed mounting of bracing piece (13) is at the both ends of last nut (10).
4. The novel wide sleeper fastener for tram car of claim 3, characterized in that: the lower end of the fixing nut (6) is fixedly provided with a flat washer (5), the lower end of the flat washer (5) is fixedly provided with an elastic strip (3), and the elastic strip (3) is arranged at the upper end of the base plate (7).
5. The novel wide sleeper fastener for tram car of claim 4, characterized in that: the flat gasket (5) is tightly attached to the elastic strip (3), and the elastic strip (3) is tightly connected with the base plate (7).
6. The novel wide sleeper fastener for tram car of claim 5, characterized in that: the elastic strip (3) and the base plate (7) are made of high-strength non-metal materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121648633.5U CN215561566U (en) | 2021-07-20 | 2021-07-20 | Novel wide sleeper fastener for tramcar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121648633.5U CN215561566U (en) | 2021-07-20 | 2021-07-20 | Novel wide sleeper fastener for tramcar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215561566U true CN215561566U (en) | 2022-01-18 |
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ID=79826906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121648633.5U Active CN215561566U (en) | 2021-07-20 | 2021-07-20 | Novel wide sleeper fastener for tramcar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215561566U (en) |
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2021
- 2021-07-20 CN CN202121648633.5U patent/CN215561566U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A new type of wide sleeper fastener for trams Effective date of registration: 20220817 Granted publication date: 20220118 Pledgee: China Construction Bank Corporation Sanmen sub branch Pledgor: TAIZHOU DAHUA RAILWAY MATERIALS CO.,LTD. Registration number: Y2022330001780 |