CN217438579U

CN217438579U - Rail lower backing plate with load stabilizing function

Info

Publication number: CN217438579U
Application number: CN202123330119.XU
Authority: CN
Inventors: 汪澜
Original assignee: Chengdu Zhongtuo Technology Co ltd
Current assignee: Chengdu Zhongtuo Technology Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-09-16
Anticipated expiration: 2031-12-28

Abstract

The utility model discloses a rail pad under rail with stable load function, which belongs to a pad in the technical field of heavy haul railway, and the technical proposal is that the pad comprises a pad and a first groove arranged on the pad, the pad comprises a main body pad, two limit feet arranged in the length direction of the main body pad, and two anti-skid pads arranged in the width direction of the main body pad, wherein the two anti-skid pads are symmetrical in the width direction of the main body pad and are obliquely arranged with the horizontal plane of the main body pad; a detachable auxiliary backing plate is arranged in the main body backing plate; the utility model provides a rail underboarding with steady load function is through being provided with two anti-skidding backing plates with rail underboarding to with two spacing foot cooperations on the vertical direction, improve the stability of backing plate in the installation, the holistic buffering load capacity of the inside vice backing plate reinforcing backing plate that sets up of backing plate main part improves the stability to rail mounting.

Description

Rail lower backing plate with load stabilizing function

Technical Field

The utility model belongs to the technical field of heavy haul railway, concretely relates to rail lower bolster plate with stabilize load function.

Background

With the continuous development of society, especially the continuous progress of science and technology, the living standard of people is greatly improved; the coming of the electrification times and the information times injects the flying activity into the development of traffic business; in order to meet the requirement of large-scale integration and development of society, the railway industry of China draws attention. Along with the quick construction of domestic city subway, subway train's functioning speed constantly improves, and the train number is constantly encrypted, has also proposed higher requirement to subway fastener performance. In a railway track connection structure, a rail lower base plate is generally arranged between a steel rail and a sleeper to absorb vibration generated during train operation and play a certain role in noise reduction. The rail pad is an important part in the rail fastener assembly, and a plurality of rectangular plane rail pads are disclosed as a part for absorbing shock and dynamic load applied to a railway.

The elastic pad plate plays an important irreplaceable role in reducing the rigidity of the track, improving the elasticity of the track, improving the dynamic interaction of the wheel and the track and reducing the dynamic effect. Particularly for ballastless tracks, the support elasticity of the steel rail is almost completely governed by the rigidity of the elastic base plate, and the elastic property of the steel rail is more and more important. The under-rail pad is easy to be pressed and damaged in the installation and use processes, and the damaged pad can not be used continuously and needs to be replaced, so that the use cost is high; meanwhile, the backing plate is easy to loosen and shift, so that the backing plate is unevenly stressed, the backing plate and the steel rail fastener component matched with the backing plate are easily abraded, and the service life is shortened.

The design size of the elastic base plate based on the existing fastener system and the rubber cushion layer used by the railway in China generally adopt a form of slotting on two sides or protruding small cylinders, and the elastic base plate capable of meeting the rigidity requirement is obtained after the number, depth and number of the grooves of the base plate are optimally designed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an invention aim at provides a rail lower bolster with steady load function, through being provided with two anti-skidding backing plates with rail lower bolster to with two spacing foot cooperations on the vertical direction, improve the stability of backing plate in the installation, the inside vice backing plate that sets up of backing plate main part strengthens the holistic buffering load capacity of backing plate, improves the stability to track mounting.

In order to realize the purpose, the utility model discloses a technical scheme be: the anti-skid device comprises a base plate and a groove arranged on the base plate, wherein the base plate comprises a main body base plate, two limiting feet arranged in the length direction of the main body base plate and two anti-skid base plates arranged in the width direction of the main body base plate, and the two anti-skid base plates are symmetrical in the width direction of the main body base plate and are obliquely arranged with the horizontal plane of the main body base plate; a detachable auxiliary backing plate is arranged inside the main body backing plate.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, through setting up the backing plate main part that has the slot, make the backing plate have fine rigidity and elasticity, in order to satisfy load and deformation demand in the bearing use to the reality, furthermore, because set up two spacing feet in the length direction of main part backing plate, two anti-skidding backing plates on main part backing plate width direction, two spacing feet are to the relative chucking setting on the sleeper of backing plate main part whole, and two anti-skidding backing plates set up the lateral part at the backing plate main part, under the effect through corresponding application of force installation component, carry out the hugging closely on the sleeper and exert pressure to backing plate main part and anti-skidding backing plate and stabilize, make the backing plate main part can the stable support of intensive, further improve the stability of the installation of backing plate main part on the sleeper; meanwhile, a detachable auxiliary backing plate is arranged inside the backing plate main body, so that the inside of the backing plate is provided with a relevant damping assembly to realize stable deformation of the backing plate in the deformation process, and the service life of the backing plate under the action of impact force is prolonged.

2. The utility model discloses in, through setting up the clamp plate of hugging closely the setting with the sleeper with the antiskid backing plate to make and connect the setting through being connected spacing ear between clamp plate and the backing plate main part, connect spacing ear and realize providing the draw-in groove that outside pressurization fixed equipment carries out the chucking and connects, be that the backing plate main part is whole to realize better chucking fixed mounting under the fixed mounting's of connecting spacing ear effect, strengthen the effect of connecting spacing ear and to the whole stable connection of realization of backing plate main part.

3. In the utility model, the upper end surface of the main body backing plate is provided with the groove body, the inside of the groove body is divided into the deformation piece mounting groove and the auxiliary backing plate mounting groove arranged on the deformation piece mounting groove, and the deformation piece mounting groove and the auxiliary backing plate mounting groove are communicated with each other, so that the auxiliary backing plate is placed in the auxiliary backing plate mounting groove, and the auxiliary backing plate is mounted on the main body backing plate; meanwhile, the deformation piece mounting groove below the auxiliary backing plate is reserved to mount the deformation piece in the main body backing plate, and the projection area of the groove body of the deformation piece mounting groove in the horizontal direction is smaller than that of the auxiliary backing plate mounting groove in the horizontal direction, so that the auxiliary backing plate is tightly clamped above the deformation piece mounting groove; through setting up the subplate in main part backing plate, because the shock attenuation effect in the middle part of the reinforcing backing plate for the backing plate is whole to have fine deformation shock attenuation effect.

4. In the utility model, the deformation component assembly is composed of a plurality of deformation buffer units, and a plurality of the deformation buffer unit equipartitions are arranged in the deformation component mounting groove to carry out the stress setting of the equipartitions, thereby realizing the buffer type supporting and mounting of the auxiliary backing plate arranged above, furthermore, the deformation buffer unit is provided with a connecting rod connected with a bottom plate bolt of the deformation component mounting groove, a plurality of elastic ball rings are sleeved on the connecting rod, and a plurality of the elastic ball rings are sleeved on the connecting rod; further, the last pot head of connecting rod is established in the deformation movable groove that vice backing plate bottom set up, realizes setting up the location of connecting rod in a deformation mounting groove, makes a plurality ofly from this elasticity ball ring carries out the stable support of equipartition atress to vice backing plate in a deformation mounting groove, guarantees the cooperation between main part backing plate and the vice backing plate and installs the back, the stability behind the whole atress of backing plate.

5. The utility model discloses in, because it is a plurality of with setting up on the backing plate second straight line cell body and a plurality of the projection of first straight line cell body on the horizontal plane is equidistant to be set up in turn for the holistic more even of load strength of backing plate improves the life of backing plate, and meanwhile, second straight line cell body and the both ends that set up to the cell body of first straight line cell body on the backing plate are sealed, also have fine rigidity and intensity after can strengthening seting up the cell body, reduce or avoid running through the edge fester that the cell body probably exists under stronger pressure effect.

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 embodiments or the prior art descriptions will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a schematic view of the fixing installation of the tie plate of the present invention on a concrete sleeper;

FIG. 2 is a schematic view of the structure of the base plate of the present invention;

FIG. 3 is a schematic view of the internal structure of the cushion plate of the present invention in the front view direction;

fig. 4 is a schematic top view of the backing plate of the present invention;

fig. 5 is a schematic view of the internal structure of the base plate in the side view direction according to the present invention;

fig. 6 is a schematic side view of the present invention.

Fig. 7 is a schematic diagram of the data model of the present invention.

The labels in the figure are: 1-backing plate, 2-first groove, 3-main body backing plate, 4-limiting foot, 5-antiskid backing plate, 6-connection limiting lug, 7-pressing plate, 8-semi-cylindrical groove body, 9-groove body, 10-auxiliary backing plate installation groove, 11-deformation piece installation groove, 12-auxiliary backing plate, 13-first linear groove body, 14-second linear groove body, 15-deformation piece component, 16-deformation buffer unit, 17-connecting rod, 18-elastic ball ring, 19-deformation movable groove, 20-concrete sleeper, 21-second groove, 22-bolt component, 23-inclined pressing plate and 24-rail.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

A pad under rail with a load stabilizing function comprises a pad 1 and a first groove 2 arranged on the pad 1, wherein the pad 1 comprises a main body pad 3, two limiting feet 4 arranged in the length direction of the main body pad 3 and two anti-skid pads 5 arranged in the width direction of the main body pad 3, and the two anti-skid pads 5 are symmetrical in the width direction of the main body pad 3 and are obliquely arranged with the horizontal plane of the main body pad 3; a detachable auxiliary backing plate 12 is arranged in the main body backing plate 3; the base plate 1 main body with the first grooves 2 is arranged, so that the base plate 1 has good rigidity and elasticity, and the load and deformation requirements in the actual bearing and using process are met, further, two limiting feet 4 are arranged in the length direction of the main body base plate 31, two anti-skid base plates 51 in the width direction of the main body base plate 31 are arranged, the two limiting feet 4 are used for clamping the whole base plate 1 main body on a sleeper, the two anti-skid base plates 51 are arranged on the side parts of the base plate 1 main body, and under the action of corresponding force application mounting assemblies, the base plate 1 main body and the anti-skid base plates 51 are tightly pressed on the sleeper and are stable, so that the base plate 1 main body can be stably supported in an enhanced mode, and the mounting stability of the base plate 1 main body on the sleeper is further improved; meanwhile, a detachable auxiliary backing plate 121 is arranged inside the main body of the backing plate 1, so that the inside of the backing plate 1 is provided with a relevant damping component to realize stable deformation of the backing plate 1 in the deformation process, and the service life of the backing plate 1 under the action of impact force is prolonged.

Furthermore, a calculation formula of the rigidity of the elastic base plate under the rail is as follows, and the loading interval of the elastic base plate under the rail is 10-50 kN according to a standard TB/T2626.

S0＝40/(△B-△A)

In the formula: s0-static stiffness of the backing plate, kN/mm;

delta A is the compression amount of the base plate when 10kN is loaded, and is mm;

delta B is the compression amount of the base plate when 50kN is loaded, and is mm;

40-static load, kN.

Two spacing foot 4 sets up in main part backing plate 3 bottom and sets up with main part backing plate 3 an organic whole.

The two anti-skid backing plates 5 respectively comprise a connecting limiting lug 6 fixedly connected with one side of the main body backing plate 3 and a pressing plate 7 fixedly connected with the other end of the connecting limiting lug 6; through setting up antiskid backing plate 51 into hugging closely the pressure strip 7 that sets up with the sleeper to make and connect the setting through connecting spacing ear 6 between pressure strip 7 and the backing plate 1 main part, connect spacing ear 6 and realize providing the draw-in groove that outside pressurization fixed equipment carries out the chucking and connects, be that the backing plate 1 main part is whole to realize better chucking fixed mounting under the effect of the fixed mounting who connects spacing ear 6, strengthen the effect of connecting spacing ear 6 and wholly realizing stable connection to the backing plate 1 main part.

Finally, the displacement load curve of the whole base plate is as follows:

the upper end of the connecting and limiting lug 6 is a semi-cylindrical groove body 8, and the lower end face of the pressing plate 7 is a friction surface.

The upper end face of the main body base plate 3 is provided with a groove body 9, the groove body 9 comprises an auxiliary base plate installation groove 10 and a deformation piece installation groove 11 which are sequentially arranged from top to bottom, and the projection area of the groove body of the deformation piece installation groove 11 in the horizontal direction is smaller than that of the auxiliary base plate installation groove 10 in the horizontal direction; the upper end face of the main body backing plate 3 is provided with the groove body 9, the inside of the groove body 9 is divided into a deformation piece mounting groove 11 and an auxiliary backing plate 12 mounting groove arranged on the deformation piece mounting groove 11, and the deformation piece mounting groove 11 is communicated with the auxiliary backing plate 12 mounting groove, so that the auxiliary backing plate 12 is placed in the auxiliary backing plate 12 mounting groove, and the auxiliary backing plate 12 is mounted on the main body backing plate 3; meanwhile, a deformation piece mounting groove 11 below the auxiliary backing plate 12 is reserved to provide mounting of a deformation piece in the main body backing plate 3, and the projection area of a groove body 9 of the deformation piece mounting groove 11 in the horizontal direction is smaller than that of a mounting groove body 9 of the auxiliary backing plate 12 in the horizontal direction, so that the auxiliary backing plate 12 is tightly clamped above the deformation piece mounting groove 11; by arranging the auxiliary backing plate 12 in the main body backing plate 3, the whole backing plate 1 has a good deformation damping effect due to the damping effect of the middle part of the reinforcing backing plate 1.

An auxiliary backing plate 12 is arranged in the auxiliary backing plate mounting groove 10, a plurality of first straight line groove bodies 13 are arranged at the upper end of the auxiliary backing plate 12, and the first straight line groove bodies 13 are uniformly distributed in the width direction of the auxiliary backing plate 12.

A plurality of second straight line cell bodies 14 have been seted up to main part backing plate 3 lower terminal surface, and is a plurality of second straight line cell body 14 is with a plurality of first straight line cell body 13 is in same direction upward parallel arrangement, and is a plurality of second straight line cell body 14 is with a plurality of first straight line cell body 13 is equidistant setting in turn on the horizontal plane projection.

A deformation component 15 is arranged in the deformation component mounting groove 11, the deformation component 15 comprises a plurality of deformation buffering units 16 uniformly distributed in the deformation component mounting groove 11, each deformation buffering unit 16 comprises a connecting rod 17 connected with a bottom plate bolt of the deformation component mounting groove 11, a plurality of elastic ball rings 18 sleeved on the connecting rod 17, and the elastic ball rings 18 are tightly attached to each other in the vertical direction; the upper end of the connecting rod 17 is sleeved in a deformation movable groove 19 arranged at the bottom of the auxiliary backing plate 12; the deformation piece assembly 15 is composed of a plurality of deformation buffering units 16, the deformation buffering units 16 are uniformly distributed in the deformation piece mounting groove 11 to be uniformly stressed, and buffering type supporting and mounting of the auxiliary backing plate 12 arranged above is achieved; further, the last pot head of connecting rod 17 is established in the deformation movable groove 19 that vice backing plate 12 bottom set up, realizes setting up the location of connecting rod 17 in deformation mounting groove 11, makes a plurality of elastic ball ring 18 carry out the stable support of equipartition atress to vice backing plate 12 in deformation mounting groove 11 from this, guarantees the cooperation installation back between main part backing plate 3 and the vice backing plate 12, the stability behind the whole atress of backing plate 1.

The end parts of the second linear groove bodies 14 in the length direction are arranged on the main body base plate 3 in a closed mode, and the end parts of the first linear groove bodies 13 in the length direction are arranged on the auxiliary base plate 12 in a closed mode; because set up the projection equidistant alternative setting on the horizontal plane of a plurality of second straight line cell bodies 14 and a plurality of first straight line cell bodies 13 that set up on backing plate 1 for backing plate 1 holistic load strength is more even, improve backing plate 1's life, meanwhile, second straight line cell body 14 seals with first straight line cell body 13 setting up the both ends into cell body 9 on backing plate 1, also have fine rigidity and intensity after can strengthening seting up cell body 9, reduce or avoid running through the marginal fester that cell body 9 probably exists under stronger pressure effect.

The utility model provides a track mounting assembly, includes concrete sleeper 20, sets up the first slot 21 in the middle part of concrete sleeper 20, sets up backing plate 1 on first slot 21, sets up the track 24 at backing plate 1, and concrete sleeper 20's both sides are fixed track 24 bottom and backing plate 1 through setting up bolt assembly 22, be provided with ramp plate 23 in the bolt assembly 22, ramp plate 23 sticiss to the anti-skidding backing plate 5 in the backing plate 1 and fixes on the lateral wall of first slot 21 slope. Because set up anti-skidding backing plate 5 in backing plate 1 to sticis anti-skidding backing plate 5 in backing plate 1 through setting up inclined pressing plate 23, spacing foot is to the chucking of backing plate 1 on concrete sleeper 20, makes backing plate 1 all have stable connection effect all around from this.

The working principle and the working process of the utility model

The utility model discloses in, through setting up backing plate 1 main part that has slot 2, make backing plate 1 have fine rigidity and elasticity, in order to satisfy load and the deformation demand in bearing the weight of the use to the reality, furthermore, because set up two spacing feet 4 on the length direction of main part backing plate 31, at two non slip backing plates 51 on main part backing plate 31 width direction, two spacing feet 4 are to the relative chucking setting on the sleeper of backing plate 1 main part whole, and two non slip backing plates 51 set up the lateral part in backing plate 1 main part, through the effect of corresponding application of force installation component, carry out hugging closely on the sleeper to apply pressure firm to backing plate 1 main part and non slip backing plates 51, make backing plate 1 main part can the stable support of intensive, further improvement backing plate 1 main part is installed the stability on the sleeper; meanwhile, the detachable auxiliary backing plate 121 is arranged inside the backing plate 1 main body, so that the relevant damping assembly arranged inside the backing plate 1 realizes stable deformation of the backing plate 1 in the deformation process, and the service life of the backing plate 1 under the impact force is prolonged.

Further, the deformation component 15 is composed of a plurality of deformation buffer units 16, the deformation buffer units 16 are uniformly distributed in the deformation mounting groove 11 for uniform stress setting, and the auxiliary backing plate 12 arranged above is supported and mounted in a buffer mode, further, the deformation buffer units 16 are provided with a connecting rod 17 in bolt connection with the bottom plate of the deformation mounting groove 11, a plurality of elastic ball rings 18 sleeved on the connecting rod 17, and a plurality of elastic ball rings 18 are sleeved on the connecting rod 17; further, the last pot head of connecting rod 17 is established in the deformation movable groove 19 that vice backing plate 12 bottom set up, realizes setting up the location of connecting rod 17 in deformation mounting groove 11, makes a plurality of elastic ball ring 18 carry out the stable support of equipartition atress to vice backing plate 12 in deformation mounting groove 11 from this, guarantees the cooperation installation back between main part backing plate 3 and the vice backing plate 12, the stability behind the whole atress of backing plate 1.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. The under-rail base plate with the load stabilizing function comprises a base plate (1) and a groove (2) arranged on the base plate (1), and is characterized in that the base plate (1) comprises a main body base plate (3), two limiting feet (4) arranged in the length direction of the main body base plate (3), and two anti-skid base plates (5) arranged in the width direction of the main body base plate (3), wherein the two anti-skid base plates (5) are symmetrical in the width direction of the main body base plate (3) and are obliquely arranged with the horizontal plane of the main body base plate (3); the main body backing plate (3) is internally provided with a detachable auxiliary backing plate (12).

2. An under-rail pad with load stabilizing function according to claim 1, characterized in that two of said limit feet (4) are arranged at the bottom of the main body pad (3) and are integrated with the main body pad (3).

3. The under-rail base plate with the load stabilizing function according to claim 2, wherein each of the two anti-skid base plates (5) comprises a connecting limit lug (6) fixedly connected with one side of the main body base plate (3) and a pressing plate (7) fixedly connected with the other end of the connecting limit lug (6).

4. The under-rail base plate with the load stabilizing function as claimed in claim 3, wherein the upper end of the connecting and limiting lug (6) is a semi-cylindrical groove body (8), and the lower end surface of the pressing plate (7) is a friction surface.

5. The under-rail pad plate with the load stabilizing function as claimed in any one of claims 1 to 4, wherein a groove body (9) is arranged on the upper end face of the main body pad plate (3), the groove body (9) comprises an auxiliary pad plate mounting groove (10) and a deformation piece mounting groove (11) which are sequentially arranged from top to bottom, and the projection area of the groove body of the deformation piece mounting groove (11) in the horizontal direction is smaller than the projection area of the auxiliary pad plate mounting groove (10) in the horizontal direction.

6. The under-rail pad plate with the load stabilizing function according to claim 5, wherein an auxiliary pad plate (12) is arranged in the auxiliary pad plate mounting groove (10), a plurality of first linear groove bodies (13) are formed in the upper end of the auxiliary pad plate (12), and the first linear groove bodies (13) are uniformly distributed in the width direction of the auxiliary pad plate (12).

7. The under-rail pad plate with the load stabilizing function as claimed in claim 6, wherein a plurality of second linear grooves (14) are formed in the lower end face of the main body pad plate (3), the plurality of second linear grooves (14) and the plurality of first linear grooves (13) are arranged in parallel in the same direction, and the plurality of second linear grooves (14) and the plurality of first linear grooves (13) are alternately arranged at equal intervals in projection on the horizontal plane.

8. The under-rail pad plate with the load stabilizing function according to claim 7, wherein a deformation component (15) is arranged in the deformation component mounting groove (11), the deformation component (15) comprises a plurality of deformation buffer units (16) uniformly distributed in the deformation component mounting groove (11), each deformation buffer unit (16) comprises a connecting rod (17) in bolted connection with the bottom plate of the deformation component mounting groove (11), a plurality of elastic ball rings (18) are sleeved on the connecting rod (17), and the elastic ball rings (18) are tightly attached to each other in the vertical direction; the upper end of the connecting rod (17) is sleeved in a deformation movable groove (19) arranged at the bottom of the auxiliary backing plate (12).

9. The tie plate under the rail with the function of stabilizing the load according to claim 8, characterized in that the ends of the second linear grooves (14) in the length direction are arranged on the main tie plate (3) in a closed manner, and the ends of the first linear grooves (13) in the length direction are arranged on the auxiliary tie plate (12) in a closed manner.