CN211689881U - Large-displacement railway expansion device with height-adjustable function - Google Patents
Large-displacement railway expansion device with height-adjustable function Download PDFInfo
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- CN211689881U CN211689881U CN201922108636.9U CN201922108636U CN211689881U CN 211689881 U CN211689881 U CN 211689881U CN 201922108636 U CN201922108636 U CN 201922108636U CN 211689881 U CN211689881 U CN 211689881U
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Abstract
The utility model belongs to the technical field of bridge engineering, in particular to a large-displacement railway expansion device with a height adjusting function, which comprises a fixed steel sleeper, a movable steel sleeper, a connecting rod assembly, a supporting frame and a height adjusting base plate; the fixed steel sleeper is parallel to the movable steel sleeper, and two ends of the fixed steel sleeper are respectively connected with two ends of the movable steel sleeper through connecting rod assemblies; the support frame sets up in the below of steel sleeper, just be provided with between the top of support frame and the bottom plate of steel sleeper and increase the backing plate to pass the bottom plate of steel sleeper, increase the backing plate in proper order through the bolt with the top of support frame will the support frame is fixed with the steel sleeper. The utility model discloses a set up the support frame in steel pillow below to set up between the top of support frame and the bottom plate of steel pillow and increase the backing plate, make the telescoping device have the ascending height-adjustable function of vertical side, improve efficiency of construction and installation accuracy.
Description
Technical Field
The utility model belongs to the technical field of bridge engineering, concretely relates to large displacement railway telescoping device with adjustable height function.
Background
In a ballast railway or a ballastless railway, in order to meet the requirements of the expansion and contraction deformation of a bridge expansion joint and the waterproof function of a beam end, an expansion device needs to be arranged at the bridge expansion joint. And when the deformation of the bridge expansion joint and the clearance of the beam end are larger, a large displacement expansion device is required, and the large displacement expansion device is different from a common beam end waterproof device. The large-displacement telescopic device has the functions of bearing vehicle load, adapting to beam body deformation and preventing water and ballast at the beam end, and has the characteristics of large volume and heavy mass. When the large-displacement telescopic device is installed, the center of a line and the elevation of the line need to be strictly controlled, so that the installation of the telescopic device is extremely difficult, and in order to solve the installation problem, a large-displacement railway telescopic device with the height adjusting function needs to be designed.
Disclosure of Invention
In order to overcome the deficiencies in the prior art, the utility model aims at providing a large displacement railway telescoping device with adjustable height function for the telescoping device has the ascending height-adjustable function of vertical side, improves efficiency of construction and installation accuracy.
In order to achieve the purpose, the technical scheme of the utility model is a large-displacement railway expansion device with the function of height adjustment, which comprises a fixed steel sleeper, a movable steel sleeper, a connecting rod assembly, a supporting frame and a height-adjusting base plate; the fixed steel sleeper is parallel to the movable steel sleeper, and two ends of the fixed steel sleeper are respectively connected with two ends of the movable steel sleeper through connecting rod assemblies; the support frame sets up in the below of steel sleeper, just be provided with between the top of support frame and the bottom plate of steel sleeper and increase the backing plate to pass the bottom plate of steel sleeper, increase the backing plate in proper order through the bolt with the top of support frame will the support frame is fixed with the steel sleeper.
Further, a flexible rubber plate is arranged between the top of the supporting frame and the height-adjusting base plate.
Furthermore, the bottom plate of the steel sleeper deviates from flexible rubber plate and fixed plate are arranged on one side of the heightening base plate in sequence, and the bolt penetrates through the fixed plate and the flexible rubber plate.
Furthermore, the heightening base plate is provided with a notch matched with the bolt.
Furthermore, the plurality of gaps are arranged on the heightening base plate, and the openings of the gaps are all positioned on the same end face of the heightening base plate.
Furthermore, two longitudinal beams are arranged on a top plate of the steel sleeper and are connected with the top plate of the steel sleeper through a slidable fastener.
Furthermore, a rail fastener is arranged between the two longitudinal beams and fixed on a top plate of the steel sleeper.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model has the advantages that the support frame is arranged below the steel sleeper, and the heightening base plate is arranged between the top of the support frame and the bottom plate of the steel sleeper, so that the telescopic device has the height adjusting function in the vertical direction, and the construction efficiency and the installation accuracy are improved;
(2) the utility model discloses set up flexible rubber pad between support frame and steel pillow, have the function of adaptation roof beam body rigidity.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a front view of a large displacement railway retractor device with height adjustable function according to an embodiment of the present invention;
FIG. 2 is an enlarged schematic view at I of FIG. 1;
fig. 3 is a top view of a large displacement railway retractor device with height adjustment provided by an embodiment of the present invention;
in the figure: 1. the track comprises a track fastener, 2, a longitudinal beam, 3, a connecting rod assembly, 4, a flexible rubber plate, 5, a supporting frame, 6, a heightening base plate, 7, a fixed steel sleeper, 8, a movable steel sleeper, 9 and a bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; in the description of the present invention, "a plurality" means two or more unless otherwise specified.
As shown in fig. 1-3, an embodiment of the present invention provides a large displacement railway expansion device with adjustable height function, which includes a fixed steel sleeper 7, a movable steel sleeper 8, a connecting rod assembly 3, a supporting frame 5 and a height-adjusting base plate 6; the fixed steel sleeper 7 and the movable steel sleeper 8 are arranged in parallel, and two ends of the fixed steel sleeper 7 are connected with two ends of the movable steel sleeper 8 through connecting rod assemblies 3 respectively; support frame 5 sets up in the below of steel sleeper, just be provided with between the top of support frame 5 and the bottom plate of steel sleeper and increase backing plate 6 to pass the bottom plate of steel sleeper, increase backing plate 6 in proper order through bolt 9 with the top of support frame 5 will support frame 5 is fixed with the steel sleeper. This embodiment sets up support frame 5 through the below at the steel sleeper to set up between the bottom plate of the top of support frame 5 and steel sleeper and increase backing plate 5, can confirm the thickness and the number of piles of the height adjustment backing plate 5 of adopting according to on-the-spot elevation and realize vertical regulation, make the telescoping device have the ascending height-adjustable function of vertical side, improve efficiency of construction and installation accuracy.
The connecting rod assembly 3 of this embodiment couples together fixed steel sleeper 7 and activity steel sleeper 8 through the bolt, sets up in the both sides of steel sleeper, and the primary function is for guaranteeing the flexible homogeneity of telescoping device at flexible in-process steel sleeper.
Further, a flexible rubber plate 4 is arranged between the top of the support frame 5 and the height-adjusting base plate 6. Further, the bottom plate of steel pillow deviates from be equipped with flexible rubber slab 4 and fixed plate on the one side of heightening backing plate 6 in proper order, bolt 9 passes the fixed plate with flexible rubber slab 4. In the embodiment, the flexible rubber pads 4 are arranged between the support frame 5 and the steel sleeper and between the fixing plate and the steel sleeper, so that the beam has the function of adapting to the rigidity of the beam body.
Furthermore, the heightening base plate 6 is provided with a mounting hole or a notch matched with the bolt 9. Furthermore, the height-adjusting backing plate 6 has a plurality of notches, and the openings of the notches are all located on the same end face of the height-adjusting backing plate 6. In the embodiment, the bolt 9 sequentially penetrates through the fixed plate, the flexible rubber plate 4, the bottom plate of the steel sleeper, the flexible rubber plate 4, the heightening base plate 6 and the top plate of the support frame 5 and then is screwed and fixed through the nut; when needs increase heightening backing plate 6, only need transfer the loose nut, will heighten between backing plate 6 and the roof of support frame 5 inserted flexible rubber board 4, owing to be provided with the breach on heightening backing plate 6, therefore, when inserting heightening backing plate 6, only need will heighten backing plate 6's breach alignment nut, and the removal heighten backing plate 6 at least the nut be located behind the corresponding position of breach tighten the nut can, make the increase and the reduction of operation heightening backing plate 6 convenient, swiftly, be convenient for realize telescoping device's adjustable height function.
The supporting frame 5, the height-adjusting backing plate 6 and the bolts 9 of the present embodiment can be made of weathering resistant steel or aluminum alloy material, and can also be made of other materials.
Further, be equipped with two longerons 2 on the roof of steel sleeper, just longeron 2 is connected with the roof of steel sleeper through slidable fastener. The longitudinal beam 2 and the fastener connecting part of the embodiment can slide to realize the telescopic function of the telescopic device.
Furthermore, in this embodiment, the rail fastener 1 may be disposed between the two longitudinal beams 2, or the rail fastener 1 may be disposed on the outer sides of the two longitudinal beams 2, and the rail fastener 1 is fixed on the top plate of the steel sleeper.
In the embodiment, the height-adjustable function of the telescopic device is realized by arranging the height-adjustable base plate 6 between the support frame and the steel sleeper, and the height-adjustable range of the telescopic device is specified; the fixed steel sleepers 7, the movable steel sleepers 8 and the longitudinal beams 2 are not limited to the structural form and the number shown in the drawing.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a big displacement railway telescoping device with adjustable high function which characterized in that: comprises a fixed steel sleeper, a movable steel sleeper, a connecting rod assembly, a supporting frame and a heightening base plate; the fixed steel sleeper is parallel to the movable steel sleeper, and two ends of the fixed steel sleeper are respectively connected with two ends of the movable steel sleeper through connecting rod assemblies; the support frame sets up in the below of steel sleeper, just be provided with between the top of support frame and the bottom plate of steel sleeper and increase the backing plate to pass the bottom plate of steel sleeper, increase the backing plate in proper order through the bolt with the top of support frame will the support frame is fixed with the steel sleeper.
2. A large displacement railway telescopic device with height adjustable function as claimed in claim 1, wherein: and a flexible rubber plate is arranged between the top of the support frame and the heightening base plate.
3. A large displacement railway telescopic device with height adjustable function as claimed in claim 1, wherein: the bottom plate of steel pillow deviates from be equipped with flexible rubber board and fixed plate on the one side of increaseing the backing plate in proper order, the bolt passes the fixed plate with flexible rubber board.
4. A large displacement railway telescopic device with height adjustable function as claimed in claim 1, wherein: and the heightening base plate is provided with a notch matched with the bolt.
5. The large displacement railway retractor device of claim 4 wherein: the height-adjusting base plate is characterized in that a plurality of gaps are formed in the height-adjusting base plate, and openings of the gaps are located on the same end face of the height-adjusting base plate.
6. A large displacement railway telescopic device with height adjustable function as claimed in claim 1, wherein: two longitudinal beams are arranged on the top plate of the steel sleeper and are connected with the top plate of the steel sleeper through a slidable fastener.
7. The large displacement railway retractor device of claim 6 wherein: and track fasteners are arranged on the outer sides of the two longitudinal beams or between the two longitudinal beams and are fixed on the top plate of the steel sleeper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922108636.9U CN211689881U (en) | 2019-11-29 | 2019-11-29 | Large-displacement railway expansion device with height-adjustable function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922108636.9U CN211689881U (en) | 2019-11-29 | 2019-11-29 | Large-displacement railway expansion device with height-adjustable function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211689881U true CN211689881U (en) | 2020-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922108636.9U Active CN211689881U (en) | 2019-11-29 | 2019-11-29 | Large-displacement railway expansion device with height-adjustable function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211689881U (en) |
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2019
- 2019-11-29 CN CN201922108636.9U patent/CN211689881U/en active Active
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