CN218989740U - Scalable rail guide wire fixed bolster for ballastless track bed - Google Patents
Scalable rail guide wire fixed bolster for ballastless track bed Download PDFInfo
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- CN218989740U CN218989740U CN202320127952.4U CN202320127952U CN218989740U CN 218989740 U CN218989740 U CN 218989740U CN 202320127952 U CN202320127952 U CN 202320127952U CN 218989740 U CN218989740 U CN 218989740U
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- lead wire
- fixing device
- ballastless track
- track bed
- plate
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Abstract
The utility model aims to provide a telescopic steel rail lead wire fixing bracket for a ballastless track bed, which belongs to the technical field of railway signal equipment installation and comprises an upper fixing device fixed on a ballastless track bed track plate, a lower fixing device fixed on a roadbed cement ground and a telescopic lead wire fixing device connected with the upper fixing device and the lower fixing device.
Description
Technical Field
The utility model belongs to the technical field of railway signal equipment installation, and particularly relates to a telescopic steel rail lead wire fixing bracket for a ballastless track bed.
Background
The rapid high-quality development of Chinese high-speed rail is innovated continuously by constructors, and the permanent power is injected into the high-speed rail. For railway construction, the continuous searching of construction technology innovation points is one of the key works.
In the high-speed railway signal professional construction, a cement fixing platform is required to be built for fixing the steel rail lead wire or a non-telescopic lead wire fixing bracket is required to be installed on the ballastless track bed section.
The cement fixed platform is difficult and labor-consuming to construct, the ground vibration is severe when a train passes through, and the platform is easy to crack and fall off after long-term use; the existing lead wire fixing support is made of composite materials, is not telescopic, and cannot be suitable for the conditions of small curve radius of a circuit and large range of motion of a height difference of a track plate. Therefore, the utility model is necessary to invent the steel rail lead wire fixing bracket for the ballastless track bed, which has the advantages of lower manufacturing cost, small volume, convenient installation, durability and attractive technology.
The application number 2020215784099 discloses a telescopic high-speed railway rail lead wire fixing device, including top fixed plate, expansion plate and fixed fixture, the plate-like structure that the top fixed plate was buckled is used for fixing on the track board top surface, and the swash plate is buckled and is set up the spout on the swash plate from track top to the supporting layer, and the top of expansion plate slides and inserts to establish in the spout of top fixed plate, and the bottom is towards the supporting layer, is provided with the backup pad that is used for fixing on the track board base on the expansion plate, and fixed fixture is fixed rail lead wire on top fixed plate and expansion plate. Although the device provides a telescopic high-speed railway steel rail lead wire fixing device, the device has the following problems: the lead wire is directly fixed by a fixture, and the exposed lead wire is easy to wear the outer surface of the lead wire; the expansion range of the bracket is small; when the radius of the line curve changes greatly, either the lead wire is suspended between the lower end of the support and the ground, or the lower end of the support is overlong and cannot be installed, and the angle between the expansion plate and the ground cannot be adjusted, so that the overall attractiveness is affected after installation.
Disclosure of Invention
The utility model aims to provide a steel rail lead wire fixing bracket suitable for a ballastless track bed, which not only has the basic function of fixing lead wires, but also has the function of adjusting the length of the bracket, can perfectly solve the problems of changeable height and large variation range of the top surface of a track plate of the ballastless track bed from the ground due to the meandering of part of high-speed railway lines and small curve radius, and has the advantages of lower manufacturing cost, small volume, convenience in installation, durability and attractive process.
The utility model adopts the following technical scheme:
a telescopic steel rail lead wire fixing bracket for a ballastless track bed comprises an upper fixing device, a lower fixing device and a telescopic lead wire fixing device, wherein the upper fixing device is fixed on a ballastless track bed track plate, the lower fixing device is fixed on a roadbed cement ground, and the telescopic lead wire fixing device is connected with the upper fixing device and the lower fixing device;
the lead wire fixing device comprises a U-shaped plate and a flat plate I embedded into the U-shaped plate, the U-shaped plate and the flat plate I are connected through bolts, sliding grooves are symmetrically formed in two sides of the flat plate I, screw holes corresponding to the sliding grooves are formed in the upper end and the lower end of the U-shaped plate respectively, and lead wire protection grooves are formed in the U-shaped plate and are fixed through omega-shaped fixing fixtures.
Further, upper portion fixing device includes flat board two, and the one end of flat board two passes through hinge hinged connection with the top of flat board one, and flat board two's both ends symmetry is equipped with the screw, is equipped with chemical anchor bolt in the screw.
Further, lower part fixing device is including setting up the angle steel in U-shaped plate bottom both sides, and one side of angle steel is passed through the bolt and is connected with the U-shaped plate, is equipped with the screw on the opposite side, is equipped with chemical anchor bolt in the screw.
Further, the cross section of the lead wire protection groove is M-shaped.
Further, the number of the fixing clamps is four, and the fixing clamps are positioned at one of the top end and the bottom end of the lead wire protection groove and two of the middle positions.
Further, screw holes corresponding to the sliding grooves are respectively formed in two ends of the fixing clamp.
The beneficial effects of the utility model are as follows:
the installation position of the telescopic steel rail lead wire fixing bracket for the ballastless track bed is confirmed according to the position of a track plate of the ballastless track bed, four bolts of a chute of the middle lead wire fixing device are loosened to enable the four bolts to freely stretch, the steel rail lead wire fixing bracket is arranged below the trend of the steel rail lead wire, the upper fixing device is tightly attached to the upper edge of the track plate, the lower fixing device is arranged on the cement floor of the ballastless track bed, the center line of the bracket is perpendicular to the steel rail, the length and the ground angle of the bracket are adjusted, and the chute bolts of the middle lead wire fixing device are screwed. And marking the drilling positions of the chemical anchor bolts at the positions of the reserved holes of the chemical anchor bolts of the upper and lower fixing devices. And (3) moving the support, drilling holes on the upper edge of the track plate and the marked drilling positions on the cement floor by using a percussion drill, and implanting chemical anchors. After the chemical anchor bolt colloid is solidified, placing the bracket according to the determined bracket mounting position, enabling the chemical anchor bolt screw rod to penetrate through the chemical anchor bolt reserved holes of the upper fixing device and the lower fixing device, and screwing the chemical anchor bolt screw cap. And taking down the omega-shaped fixing clamp and the lead wire protecting groove on the lead wire fixing device, orderly arranging the lead wire on the lead wire fixing device, buckling the lead wire by using the lead wire protecting groove, and finally firmly fixing the lead wire protecting groove on the lead wire fixing device by using the omega-shaped fixing clamp and the matched bolt.
By using the ballast-free ballast bed track slab, the problems that the heights of the top surfaces of the ballastless track bed track slabs from the ground are changeable and the variation range is large due to the fact that part of high-speed railway lines are bent and curved with small radius are perfectly solved, and the ballast-free ballast bed track slab has the advantages of being low in manufacturing cost, small in size, convenient and fast to install, durable in use and attractive in process.
Drawings
FIG. 1 is a schematic view of the installation of the present utility model;
FIG. 2 is an exploded view of the present utility model;
FIG. 3 is a schematic view of a lead wire protective slot according to the present utility model;
FIG. 4 is a schematic structural view of a fixing clip according to the present utility model;
FIG. 5 is a right side view of the installation schematic of the present utility model;
wherein: a 1-U-shaped plate; 2-plate one; 3-sliding grooves; 4-screw holes; 5-a lead wire protection groove; 6-fixing the clamp; 7-a second plate; 8-hinges; 9-chemical anchor bolts; 10-angle steel; 11-the top surface of the ballastless track slab; 12-the side surface of the ballastless track plate; 13-base side.
Detailed Description
The utility model will be further described with reference to the accompanying drawings.
As shown in the figure, the telescopic steel rail lead wire fixing bracket for the ballastless track bed comprises an upper fixing device, a lower fixing device and a telescopic lead wire fixing device, wherein the upper fixing device is fixed on a track plate of the ballastless track bed, the lower fixing device is fixed on a roadbed cement ground, and the telescopic lead wire fixing device is connected with the upper fixing device and the lower fixing device; the upper fixing device is of a flat plate structure; the lower fixing device is of an angle steel-shaped structure; the middle lead wire fixing device consists of a narrow flat plate with double sliding grooves, a U-shaped wide plate and four omega-shaped fixing clamps for fixing the lead wire protection grooves 5; screw holes 4 for installing chemical anchors 9 are reserved on the upper fixing device and the lower fixing device. The widths of the lead wire protection groove and the omega-shaped fixing clamp are determined according to the thickness of the lead wire, the cross section of the lead wire protection groove 5 is M-shaped, and 4 ladle copper lead wires can be protected.
The length of the iron plate of the middle lead wire fixing device is determined according to the stretching requirement of the bracket, and the length of the iron plate is 40cm generally, so that the actual requirement can be completely met; the preformed holes of the chemical anchor bolts 9 of the upper fixing device and the lower fixing device are determined according to the thickness of the chemical anchor bolts 9, and are generally phi 8mm.
The installation position of the utility model is confirmed according to the position of the ballastless track bed track slab where the steel rail lead wire climbs, the four bolts of the middle lead wire fixing device chute are loosened to enable the four bolts to freely stretch and retract, the utility model is arranged below the trend of the steel rail lead wire, the upper fixing device is tightly attached to the upper edge of the track slab, the lower fixing device is arranged on the cement floor of the ballastless track bed, the central line of the bracket is vertical to the steel rail, the length and the ground angle of the bracket are adjusted, and the chute bolts of the middle lead wire fixing device are screwed. And marking the drilling positions of the chemical anchor bolts at the positions of the reserved holes of the chemical anchor bolts of the upper fixing device and the lower fixing device. And (3) moving the support, drilling holes on the upper edge of the track plate and the marked drilling positions on the cement floor by using a percussion drill, and implanting chemical anchors. After the chemical anchor bolt colloid is solidified, placing the bracket according to the determined bracket mounting position, enabling the chemical anchor bolt screw rod to penetrate through the chemical anchor bolt reserved holes of the upper fixing device and the lower fixing device, and screwing the chemical anchor bolt screw cap. Taking down the omega-shaped fixing clamp and the lead wire protecting groove 5 on the lead wire fixing device, orderly arranging the lead wire on the lead wire fixing device, buckling the lead wire by the lead wire protecting groove 5, and finally firmly fixing the lead wire protecting groove 5 on the lead wire fixing device by using the omega-shaped fixing clamp and the matched bolt.
Further, the upper fixing device and the lead wire fixing device are connected by a hinge 8. Generally, 2 hinges are provided, and two sides of each hinge 8 are welded to the upper fixing device and the lead wire fixing device respectively.
Further, the lower fixing device is connected with the lead wire fixing device by bolts. The bolts are usually 2 bolts with phi 8mm.
Further, the two iron plates of the middle lead wire fixing device are connected by bolts. The bolts are generally 4 bolts with phi 8mm.
Further, the upper fixing device, the lower fixing device and the middle lead wire fixing device can flexibly adjust the angles among the upper fixing device, the lower fixing device and the middle lead wire fixing device. When the lead wire is installed, the included angle is adjusted to be between 30 and 60 degrees, so that the lead wire is prevented from being damaged.
Further, the middle lead wire fixing device can adjust the length of the lead wire fixing device after the bolts are loosened, and the length adjustment range is generally 37cm to 62cm, so that the lead wire fixing device can completely meet the requirement of the site.
Further, the upper fixing device, the lower fixing device, and the lead wire fixing device are made of steel plates having a thickness of 5 mm.
Preferably, after the bracket is manufactured, the steel plate is subjected to powder zincification treatment, so that the service life of the bracket is prolonged.
The foregoing is only illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, and all equivalent structures or equivalent flow modifications which may be made by the teachings of the present utility model or by other related art, either directly or indirectly, are intended to be included within the scope of the utility model.
Claims (6)
1. A scalable rail lead wire fixed bolster for ballastless track bed, its characterized in that: the device comprises an upper fixing device fixed on a ballastless track bed track plate, a lower fixing device fixed on the roadbed cement ground and a telescopic lead wire fixing device connected with the upper fixing device and the lower fixing device;
the lead wire fixing device comprises a U-shaped plate (1) and a flat plate I (2) embedded into the U-shaped plate (1), wherein the U-shaped plate (1) and the flat plate I (2) are connected through bolts, sliding grooves (3) are symmetrically formed in two sides of the flat plate I (2), screw holes (4) corresponding to the sliding grooves (3) are formed in the upper end and the lower end of the U-shaped plate (1) respectively, lead wire protection grooves (5) are formed in the U-shaped plate (1), and the lead wire protection grooves (5) are fixed through omega-shaped fixing clamps (6).
2. The retractable steel rail lead wire fixing bracket for a ballastless track bed according to claim 1, wherein: the upper fixing device comprises a flat plate II (7), one end of the flat plate II (7) is hinged with the top end of the flat plate I (2) through a hinge (8), screw holes (4) are symmetrically formed in the two ends of the flat plate II (7), and chemical anchor bolts (9) are arranged in the screw holes (4).
3. The retractable steel rail lead wire fixing bracket for a ballastless track bed according to claim 1, wherein: the lower part fixing device comprises angle steel (10) arranged on two sides of the bottom of the U-shaped plate (1), one side of the angle steel (10) is connected with the U-shaped plate (1) through a bolt, a screw hole (4) is formed in the other side of the angle steel, and a chemical anchor bolt (9) is arranged in the screw hole (4).
4. The retractable steel rail lead wire fixing bracket for a ballastless track bed according to claim 1, wherein: the cross section of the lead wire protection groove (5) is M-shaped.
5. The telescopic rail guide wire fixing bracket for a ballastless track bed according to claim 4, wherein: the number of the fixing clamps (6) is four, and the fixing clamps are positioned at the top end and the bottom end of the lead wire protection groove (5) and at two middle positions.
6. The telescopic rail guide wire fixing bracket for the ballastless track bed of claim 5, wherein: screw holes (4) corresponding to the sliding grooves (3) are respectively arranged at two ends of the fixing clamp (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320127952.4U CN218989740U (en) | 2023-01-17 | 2023-01-17 | Scalable rail guide wire fixed bolster for ballastless track bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320127952.4U CN218989740U (en) | 2023-01-17 | 2023-01-17 | Scalable rail guide wire fixed bolster for ballastless track bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218989740U true CN218989740U (en) | 2023-05-09 |
Family
ID=86224548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320127952.4U Active CN218989740U (en) | 2023-01-17 | 2023-01-17 | Scalable rail guide wire fixed bolster for ballastless track bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218989740U (en) |
-
2023
- 2023-01-17 CN CN202320127952.4U patent/CN218989740U/en active Active
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