CN216474270U

CN216474270U - Rail transit steel rail fastening device

Info

Publication number: CN216474270U
Application number: CN202122686540.8U
Authority: CN
Inventors: 赵平西; 都辉; 李戈
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-05-10
Anticipated expiration: 2031-11-04

Abstract

The utility model discloses a rail fastening device for rail transit, relating to the technical field of rail fastening, comprising a base, wherein the outer side wall of the base is in contact connection with a rail, the outer side walls of the left side and the right side of the base are both in threaded connection with a fastening table, the inner side wall of the fastening table is provided with a sliding groove, the inner side wall of the sliding groove is in sliding connection with a crimping piece, the crimping piece is provided with a threaded hole, the inner side wall of the threaded hole is in threaded connection with a long bolt, the rail can be effectively fastened transversely and longitudinally through the arrangement of the fastening table and the crimping piece, meanwhile, through the arrangement of a crimping fixing telescopic rod, when the long bolt for fixing the crimping piece is loosened, the long bolt can still play a role of fixing the crimping piece through the pressing of the crimping fixing telescopic rod, the crimping piece is ensured not to fall off, the fastening effect is lost, and the problem in the traditional technology is solved, the loosening of the bolt can cause the reduction of the fastening effect of the fastening device.

Description

Rail transit steel rail fastening device

Technical Field

The utility model relates to the technical field of rail fastening, in particular to a rail fastening device for rail transit.

Background

With the development of economy and the deepening of urbanization, the traffic pressure of common highways in many large and medium-sized cities is higher and higher, so that rail transit (such as subways and urban railways) with high traffic efficiency is more and more widely deployed, and the traffic pressure of the common highways is effectively relieved. If the contact between the steel rail and the steel rail is not tight enough, not only the contact force strength is not enough, but also the steel rail fastener is easy to separate from the steel rail, thereby causing unnecessary loss.

In the fastener among the prior art, a bolt for the fastening, bolt itself can take place to become flexible along with the increase of service life, when the bolt takes place to become flexible, can cause fastener's fastening effect to descend, it is not hard up to make the rail take place, can cause the serious incident of derailment at last, fastener among the prior art lacks the structure of shock attenuation amortization simultaneously, can produce great noise and vibrations with the rail contact when the train goes, if do not carry out vibration/noise reduction's the case, not only can cause the influence to the passenger in the train, also can influence fastener's result of use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a rail fastening device for rail transit.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a rail transit steel rail fastening device comprises a base, wherein a steel rail is connected to the outer side wall of the base in a contact manner, the outer side walls of the left side and the right side of the base are in threaded connection with a fastening table, a sliding groove is formed in the inner side wall of the fastening table, a pressing piece is connected to the inner side wall of the sliding groove in a sliding manner, a threaded hole is formed in the pressing piece, a long bolt is connected to the inner side wall of the threaded hole in a threaded manner, and the lower end part of the long bolt is connected to the inner side wall of the base in a threaded manner;

the utility model discloses a damping connection platform, including crimping piece, connecting rod, damping connection platform, lateral wall fixedly connected with spring shock absorber pole, damping spring and slider have all been cup jointed to the upper and lower both sides lateral wall of spring shock absorber pole, the other end of connecting rod rotates and connects on the lateral wall of slider.

Preferably, the outer side wall of the lower end of the crimping piece and the outer side wall of the fastening platform are respectively contacted with the lower end part of the steel rail.

Preferably, the outer side wall of the shock absorption and noise reduction layer is in contact with the outer side wall of the steel rail.

Preferably, the outer side wall of the upper end of the crimping piece is provided with a crimping fixing telescopic rod, and the upper end part of the crimping fixing telescopic rod is fixedly connected to the inner side of the fastening table.

Preferably, the crimp member is located directly above the base of the rail.

Preferably, the fastening platform is located directly lateral to the rail.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the rail transit steel rail fastening device provided by the utility model, through the arrangement of the fastening table and the crimping piece, the steel rail can be effectively fastened transversely and longitudinally, and meanwhile through the arrangement of the crimping fixing telescopic rod, when a long bolt for fixing the crimping piece is loosened, the long bolt can still play a role of fixing the crimping piece through the downward pressing of the crimping fixing telescopic rod, so that the crimping piece is ensured not to fall off and lose the fastening effect, and the phenomenon that the fastening effect of the fastening device is reduced due to the loosening of the bolt in the traditional technology is solved.

2. According to the rail fastening device for rail transit, provided by the utility model, through the arrangement of the damping and silencing layer in the transverse fastening piece, the rail can be subjected to secondary transverse fastening, and can also be effectively damped, so that a train is more stable in running, the use effect of the fastening device can be ensured, noise reduction can be performed on noise generated in running of the train, and the riding experience of personnel in the train is better.

Drawings

Fig. 1 is a schematic structural diagram of a rail fastening device for rail transit according to the present invention;

FIG. 2 is an enlarged view of A in FIG. 1;

fig. 3 is an enlarged view of B in fig. 1.

In the figure: 1. a base; 2. a transverse fastener; 101. a fastening table; 102. fixing the telescopic rod by compression; 103. a crimping member; 104. a long bolt; 105. a steel rail; 201. a shock-absorbing connecting table; 202. a spring shock-absorbing lever; 203. a damping spring; 204. a slider; 205. a contact member; 206. a shock absorbing connector; 207. a connecting rod.

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.

Referring to fig. 1 and 2, a rail fastening device for rail transit, including a base 1, a steel rail 105 is connected to the outer side wall of the base 1 in a contact manner, a fastening table 101 is connected to the outer side walls of the left and right sides of the base 1 in a threaded manner, the fastening table 101 is located on the positive side of the steel rail 105, a sliding groove is formed in the inner side wall of the fastening table 101, a crimping member 103 is connected to the inner side wall of the sliding groove in a sliding manner, the outer side wall of the lower end of the crimping member 103 and the outer side wall of the fastening table 101 are respectively contacted with the lower end of the steel rail 105, the outer side wall of a damping and sound-damping layer is contacted with the outer side wall of the steel rail 105, a threaded hole is formed in the crimping member 103, a long bolt 104 is connected to the inner side wall of the threaded hole, the lower end of the long bolt 104 is in a threaded manner, the steel rail 105 can be effectively fastened transversely and longitudinally by the arrangement of the fastening table 101 and the crimping member 103, and meanwhile, the telescopic rod 102 is fixed by crimping, when the long bolt 104 for fixing the crimping part 103 is loosened, the pressing down of the crimping fixing telescopic rod 102 still plays a role in fixing the crimping part 103, so that the crimping part 103 is ensured not to fall off and lose the fastening effect, and the phenomenon that the fastening effect of the fastening device is reduced due to the loosening of the bolt in the traditional technology is solved;

referring to fig. 3, a transverse fastening member 2 is fixedly connected to an end of a crimping member 103, a crimping fixing telescopic rod 102 is arranged on an upper outer side wall of the crimping member 103, the crimping member 103 is located right above the bottom of a steel rail 105, an upper end of the crimping fixing telescopic rod 102 is fixedly connected to an inner side of a fastening table 101, a damping and noise-damping layer is arranged on an inner side wall of the transverse fastening member 2, a plurality of contact members 205 are fixedly connected to an inner side wall of the damping and noise-damping layer, a damping connecting member 206 is fixedly connected to a left outer side wall of the plurality of contact members 205, connecting rods 207 are rotatably connected to upper and lower outer side walls of the damping connecting member 206, a plurality of damping connecting tables 201 are fixedly connected to other inner side walls of the damping and noise-damping layer, a spring damping rod 202 is fixedly connected to an outer side wall of the damping connecting table 201, damping springs 203 and sliding members 204 are sleeved on upper and lower outer side walls of the spring damping rod 202, and the other end of the connecting rod 207 is rotatably connected to an outer side wall of the sliding member 204, through the setting on 2 interior shock attenuation noise damping layer of horizontal fastener, can realize carrying out secondary horizontal fastening to rail 105 in, also can effectually carry out the shock attenuation to rail 105, make the train more stable when going, also can guarantee fastener's result of use, the noise when also can going the train simultaneously falls and makes an uproar, makes the interior personnel of train take experience better.

In the present invention, the functional principle can be illustrated by the following operation modes:

referring to fig. 1-3, when the device is used and installed, an operator can press the outer side walls of two fastening platforms 101 against the left and right sides of a rail 105, then fix the fastening platforms 101 to a base 1 through bolts, and fasten the rail 105 in the transverse direction, after the fastening platforms 101 are fixed, the operator can slide down a press-contact member 103 in a sliding groove in the fastening platforms 101, so that the outer side wall of the lower end of the press-contact member 103 contacts the rail 105, when the outer side wall of the lower end of the press-contact member 103 contacts the rail 105, a long bolt 104 is inserted into a threaded hole on the surface of the press-contact member 103, then the long bolt 104 is turned tight, so that the lower end of the long bolt 104 is inserted into the inner side wall of the base 1, and the fixation is completed, when the press-contact member 103 is fixed, the rail 105 can be fastened in the up-down direction, when the press-contact member 103 is fastened to the rail 105, a transverse fastening member 2 at the end of the press-contact the rail 103, and the rail 105 is fastened in the second time, also can effectually carry out the shock attenuation to rail 105, when rail 105 vibrations, can make contact 205 drive shock attenuation connecting piece 206 and carry out the vibrations of small amplitude, when shock attenuation connecting piece 206 vibrations, can make slider 204 slide and contact shock attenuation spring 203 to the both sides of spring shock attenuation pole 202 through two connecting rods 207, through the elasticity of shock attenuation spring 203, can effectually alleviate and eliminate vibrations.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The rail transit steel rail fastening device comprises a base (1), and is characterized in that a steel rail (105) is connected to the outer side wall of the base (1) in a contact manner, fastening tables (101) are connected to the outer side walls of the left side and the right side of the base (1) in a threaded manner, a sliding groove is formed in the inner side wall of each fastening table (101), a crimping piece (103) is connected to the inner side wall of the sliding groove in a sliding manner, a threaded hole is formed in the crimping piece (103), a long bolt (104) is connected to the inner side wall of the threaded hole in a threaded manner, and the lower end of the long bolt (104) is connected to the inner side wall of the base (1) in a threaded manner;

the end part of the crimping piece (103) is fixedly connected with a transverse fastener (2), the inner side wall of the transverse fastener (2) is provided with a damping and silencing layer, the inner side wall of the shock absorption and noise reduction layer is fixedly connected with a plurality of contact pieces (205), the outer side wall of the left end of each contact piece (205) is fixedly connected with a shock absorption connecting piece (206), the outer side walls of the upper side and the lower side of the shock absorption connecting piece (206) are both rotationally connected with a connecting rod (207), the inner side wall of the other end of the shock absorption and noise reduction layer is fixedly connected with a plurality of shock absorption connecting tables (201), the outer side wall of the shock absorption connecting table (201) is fixedly connected with a spring shock absorption rod (202), the outer side walls of the upper side and the lower side of the spring shock absorption rod (202) are sleeved with a shock absorption spring (203) and a sliding part (204), the other end of the connecting rod (207) is rotatably connected to the outer side wall of the sliding piece (204).

2. A rail fastening device for rail transit according to claim 1, wherein the outer side wall of the lower end of the crimping member (103) and the outer side wall of the fastening table (101) are respectively in contact with the lower end of the rail (105).

3. A rail fastening system according to claim 1, characterised in that the outer side wall of the shock absorbing noise damping layer is in contact with the outer side wall of the rail (105).

4. A rail fastening device for rail transit according to claim 1, characterized in that the outer side wall of the upper end of the crimping piece (103) is provided with a crimping fixing telescopic rod (102), and the upper end of the crimping fixing telescopic rod (102) is fixedly connected to the inner side of the fastening platform (101).

5. A rail fastening system according to claim 1 wherein the crimp (103) is located directly above the base of the rail (105).

6. A rail fastening arrangement for rail transit according to claim 1, characterised in that the fastening station (101) is located directly sideways of the rail (105).