CN210394990U

CN210394990U - Detachable vibration reduction type track for modern tramcar

Info

Publication number: CN210394990U
Application number: CN201920367738.XU
Authority: CN
Inventors: 房海元; 丁德云; 邵斌; 李贵花; 高淑华; 闫哲; 刘燕明; 付海龙; 周海斌
Original assignee: Beijing Public Transport Tram Co ltd; Beijing Jiuzhou First Rail Environmental Technology Co Ltd
Current assignee: Beijing Public Transport Tram Co ltd; Beijing Jiuzhou First Rail Environmental Technology Co Ltd
Priority date: 2019-03-21
Filing date: 2019-03-21
Publication date: 2020-04-24
Anticipated expiration: 2029-03-21

Abstract

The utility model relates to a track traffic technical field discloses a dismantled and assembled damping type track of modern tram, including setting up on the sleeper and covering two protection casing on the fastener of rail both sides respectively, one side that the top of protection casing is close to the rail pastes and leans on the rail, the both ends along rail extending direction of protection casing are provided with the elastic isolation piece, the first side and the airtight laminating of rail along perpendicular to rail extending direction of elastic isolation piece, the second side opposite with first side and the airtight laminating of protection casing of elastic isolation piece, so that the protection casing, the elastic isolation piece, sleeper and rail form an airtight space together, the fastener is installed in airtight space. The utility model provides a dismantled and assembled damping type track of modern tram establishes the protection casing on the fastener through adopting the cover to make the fastener not with concrete direct contact, in order to carry out dismouting change operation to the track.

Description

Detachable vibration reduction type track for modern tramcar

Technical Field

The utility model relates to a track traffic technical field especially relates to a dismantled and assembled damping type track of modern tram suitable for tram is orbital.

Background

Modern trams have found wide acceptance and use as an important means of relieving urban traffic pressure. The transportation volume of modern tramcars is larger than that of common public transport means, and the blank between the transportation volumes of buses and subways in urban rail transit is filled. Because most modern tramcars are built in cities as trunk lines or branch lines, the influence of vibration and noise on nearby residents during the running of the tramcars is an irremediable problem.

At present, most of common damping rails of modern tramcars are embedded damping devices, and the rails are difficult to maintain. The vibration reduction track system is replaced by milling the road surface to remove the equipment, and the whole replacement process is complex. The quality of the secondary poured road surface is difficult to control, the labor cost and the expense cost are extremely high, and the replacement work on part of the road sections at level roads can affect the normal operation of other traffic modes for a long time.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims at providing a removable dismantled and assembled damping type track of modern tram.

(II) technical scheme

In order to solve the technical problem, the utility model provides a dismantled and assembled damping type track of modern tram, it is including setting up on the sleeper and respectively covering two protection casings on the fastener of rail both sides, one side that the top of protection casing is close to the rail is pasted and is leaned on the rail, the both ends along rail extending direction of protection casing are provided with the elasticity spacing block, the perpendicular to is followed to the elasticity spacing block the first side of rail extending direction with the airtight laminating of rail, the elasticity spacing block with the second side opposite in first side with the airtight laminating of protection casing, so that the protection casing the elasticity spacing block the sleeper and the rail forms an airtight space together, the fastener install in the airtight space.

In some embodiments, the elastic isolation block extends along the extending direction of the steel rail, so that two ends of the elastic isolation block are respectively connected with the protection shells covering two adjacent fasteners.

In some embodiments, the bottom of the part of the steel rail between two adjacent fasteners is provided with a bottom isolation plate, and the bottom isolation plate and the elastic isolation block form a U-shaped structure.

In some embodiments, the rail further comprises a clip adapted to secure the bottom barrier to the bottom of the rail and to secure the two resilient spacers to both sides of the rail.

In some embodiments, the contact surfaces of the bottom isolation plate and the elastic isolation block are sealed through sealant. The bottom of the part, located between two adjacent fasteners, of the steel rail is provided with a bottom isolation plate, and the bottom isolation plate and the elastic isolation block form a U-shaped structure.

In some embodiments, the contact surface of the elastic isolation block and the protection shell is a slope.

In some embodiments, the elastic isolation block and the contact surface of the steel rail are adhered together through an adhesive.

In some embodiments, a side of the resilient spacer remote from the rail is provided with a cant angle.

In some embodiments, a telescopic head is arranged on one side of the protection shell away from the steel rail.

In some embodiments, the top of the protective housing is provided with a tooling slot.

(III) advantageous effects

The utility model provides a dismantled and assembled damping type track of modern tram establishes the protection casing on the fastener through adopting the cover to make the fastener not with concrete direct contact. When the operation is changed in the dismouting of needs to the track, only need will protect the casing open change can, when changing the completion back, will protect the casing return to make and carry out orbital dismouting change operation under the prerequisite of not destroying current track, solved present most tram damping track and changed difficulty, dimension guarantor with high costs scheduling problem.

Drawings

Fig. 1 is a schematic structural view of a preferred embodiment of a removable vibration damping track for a modern tram according to the present invention;

FIG. 2 is a sectional view A-A of the removable vibration damping track of the modern tram of FIG. 1;

FIG. 3 is a cross-sectional view taken along line B-B of the removable vibration damping track of the modern tram of FIG. 1;

FIG. 4 is a schematic structural view of the fastener shown in FIG. 1; and

fig. 5 is a schematic cross-sectional view of several elastic isolation blocks of a removable vibration damping track for a modern tram according to the present invention.

In the figure, 1: a sleeper; 2: a steel rail; 3: a fastener; 4: a protective housing; 5: an elastic spacer block; 6: pre-burying a sleeve; 7: a bottom separator plate; 8: and (5) clamping a hoop.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Fig. 1-3 illustrate a preferred embodiment of a removable vibration-damped rail for a modern tram according to the present disclosure. As shown in the figure, the detachable vibration reduction type track of the modern tramcar comprises two protective shells 4 which are arranged on a sleeper 1 and respectively cover fasteners 3 arranged on two sides of a steel rail 2, the sleeper 1 is poured on the upper part of a base, and an embedded sleeve 6 for installing the fasteners 3 is arranged in the sleeper 1; top and 2 top parallel and level of rail of protection casing 4, and the one side that is close to rail 2 pastes and leans on rail 2, protection casing 4's both ends along rail extending direction are provided with elasticity spacer 5 respectively, this elasticity spacer 5 along the first side and the airtight laminating of rail 2 of perpendicular to rail extending direction, elasticity spacer 5 with the airtight laminating of second side opposite in first side and protection casing 4 to make protection casing 4, elasticity spacer 5, sleeper 1 and rail 2 form an airtight space together, fastener 3 installs in airtight space, and be fixed in on sleeper 1 with rail 2. The detachable vibration reduction type track of the modern tramcar provided by the present disclosure is provided by adopting the protective shell 4 covering the fastener 3, so that the fastener 3 is not in direct contact with concrete. When the track needs to be disassembled and replaced, the protection shell 4 is only required to be opened for replacement, and after replacement is completed, the protection shell 4 returns, so that the track is disassembled and replaced on the premise of not damaging the existing track, and the problems that the vibration reduction track of most current tramcars is difficult to replace, the maintenance cost is high and the like are solved. In addition, this dismantled and assembled damping type track of modern tram possesses simple structure, commonality, construction simple and convenient swift, and is low to the construction precision requirement of base, can greatly improve the efficiency of construction.

As shown in fig. 1 and 3, in an exemplary embodiment, the elastic spacers 5 extend along the extension direction of the rails, so that both ends of the elastic spacers 5 are respectively connected to the protective cases 4 outside the two adjacent fastening elements 3 along the extension direction of the rails. This dismantled and assembled damping type track of modern tram still possesses the damping and fall the performance of making an uproar through adopting elastic isolation piece 5, when guaranteeing that the system is dismantled and assembled.

As shown in fig. 1 and 3, in an exemplary embodiment, the bottom of the portion of the steel rail 2 between two adjacent fasteners 3 is provided with a bottom isolation plate 7, so that the steel rail 2 is not in direct contact with concrete, so that the whole steel rail 2 and the fasteners 3 are in a full-wrapping structure and are not in direct contact with concrete, thereby further facilitating the track dismounting and replacing operation. The gap between the bottom isolation plate 7 and the elastic isolation block 5 is sealed by sealant so as to prevent concrete from permeating into the system when the system is installed.

In an exemplary embodiment, as shown in fig. 3, the removable vibration-damped rail of the modern tram further comprises a clip 8, said clip 8 being adapted to secure the bottom barrier 7 to the bottom of the rail 2 and to secure the two resilient barrier blocks 5 on both sides of the rail 2.

In an exemplary embodiment, as shown in fig. 3, the elastomeric spacers 5 are affixed to the rails 2 by an adhesive to further prevent the penetration of concrete into the system during installation of the system. Fig. 5 shows a schematic cross-sectional view of several types of elastic insulating blocks 5.

In an exemplary embodiment, as shown in fig. 1, the contact surface of the elastic isolation block 5 and the protection housing 4 is a slope surface to facilitate installation and ensure the sealing between the elastic isolation block 5 and the protection housing 4.

In an exemplary embodiment, as shown in fig. 3, the protective shell 4 is provided with a retractable locking head 41 on the side away from the rail 2, and the retractable locking head can retract into the self-locking protective shell under certain external force. When the protection shell 4 needs to be opened, the telescopic head 41 extends out of the protection shell 4, so that the protection shell 4 is opened through the telescopic head 41, and after the protection shell 4 is closed, the protection shell 4 is locked through the telescopic head 41, so that the protection shell 4 is prevented from being opened.

In an exemplary embodiment, as shown in fig. 3, the elastic isolation block 5 is provided with an inclination angle at its outer side to facilitate the disassembly and assembly work of the system in practical use, and in this embodiment, the inclination angle is 0.5 ° to 10 °, it should be noted that, in other embodiments of the present invention, the inclination angle may also be a numerical value.

In an exemplary embodiment, as shown in fig. 2, the top of the protective housing 4 is provided with a tooling slot 42 to facilitate the removal and installation operation.

As shown in fig. 4, in an exemplary embodiment, the clip 3 includes a base plate 32 at the bottom of the rail 2 and a clip spring plate 33 above the base plate 32 and fastened to the rail 2, and the clip spring plate 33 can fix the rail 2 by screwing the bolt 31 passing through the clip spring plate 33 and the base plate 32 into the fastener sleeve 2 of the sleeper 1. The fastener also includes a washer 34 located between the head of the bolt 31 and the fastener spring tab 33. In addition, the clip 3 further includes a damper 36 disposed between the rail 2 and the clip presser 33, and the damper 36 has damping and insulating properties. In addition, the clip 3 includes an under-rail pad 35 located between the base of the rail 2 and the base plate 32. It should be noted that in other embodiments of the present disclosure, other types of conventional fasteners may be used for the fasteners of the interchangeable track system, as will be appreciated by those skilled in the art.

To sum up, the utility model provides a dismantled and assembled damping type track of modern tram establishes protection casing 4 on fastener 3 through adopting the cover to make fastener 3 not with concrete direct contact. When the track needs to be disassembled and replaced, the protection shell 4 is only required to be opened for replacement, and after replacement is completed, the protection shell 4 returns, so that the track is disassembled and replaced on the premise of not damaging the existing track, and the problems that the vibration reduction track of most current tramcars is difficult to replace, the maintenance cost is high and the like are solved. In addition, this dismantled and assembled damping type track of modern tram possesses simple structure, commonality, construction simple and convenient swift, and is low to the construction precision requirement of base, can greatly improve the efficiency of construction. The system can be assembled in a factory in advance during construction. Wherein, the protective shell and the elastic isolation block 5 can adopt high-performance insulating materials to effectively stop the generation of stray current.

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

1. The utility model provides a dismantled and assembled damping type track of modern tram, its characterized in that, including setting up on the sleeper and respectively covering two protection casings on the fastener of rail both sides, one side that the top of protection casing is close to the rail pastes and leans on the rail, the both ends along rail extending direction of protection casing are provided with the elasticity spacing block, the edge perpendicular to of elasticity spacing block the first side of rail extending direction with the airtight laminating of rail, the second side opposite with first side of elasticity spacing block with the airtight laminating of protection casing, so that the protection casing the elasticity spacing block the sleeper and the rail forms an airtight space together, the fastener install in the airtight space.

2. A removable vibration damping track for modern trams according to claim 1, characterised in that said elastic spacers extend in the direction of extension of said rails, so that the ends of said elastic spacers are connected to respective protective housings covering two adjacent said fasteners.

3. A removable vibration damping track for modern trams according to claim 2, characterised in that the bottom of the section of the rail between two adjacent clips is provided with a bottom spacer, which forms a U-shaped structure with the resilient spacer.

4. A modern tram removable vibration damped track according to claim 3 further including a clip adapted to secure said foot separator plate to the base of said rail and to secure both said resilient spacers to either side of said rail.

5. The removable vibration damping track for modern trams as claimed in claim 3 wherein the contact surface between said bottom spacer and said resilient spacer is sealed by a sealant.

6. The removable vibration damping track for modern trams as claimed in claim 1, wherein the contact surface of said resilient spacer and said protective shell is a beveled surface.

7. The removable vibration-damping rail for modern trams according to claim 1, wherein the resilient spacer blocks are attached to the contact surfaces of the rails by an adhesive.

8. A modern tram removable vibration damped track according to any one of claims 1 to 7 wherein the side of the resilient spacer remote from the rails is provided with an angle of inclination.

9. A removable vibration damping track for modern trams according to any one of claims 1-7, characterised in that the side of the protective casing facing away from the rails is provided with a telescopic reducing head.

10. The removable vibration damping track for modern trams according to any of claims 1-7, characterised in that the top of the protective shell is provided with a tooling slot.