CN108049260B - Filling type adjusting base plate - Google Patents
Filling type adjusting base plate Download PDFInfo
- Publication number
- CN108049260B CN108049260B CN201711347391.4A CN201711347391A CN108049260B CN 108049260 B CN108049260 B CN 108049260B CN 201711347391 A CN201711347391 A CN 201711347391A CN 108049260 B CN108049260 B CN 108049260B
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- Prior art keywords
- filling
- injection
- adjusting
- embedded
- steel rail
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- 238000011049 filling Methods 0.000 title claims abstract description 102
- 238000002347 injection Methods 0.000 claims abstract description 83
- 239000007924 injection Substances 0.000 claims abstract description 83
- 238000005253 cladding Methods 0.000 claims abstract description 49
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 38
- 239000010959 steel Substances 0.000 claims abstract description 38
- 239000000945 filler Substances 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 27
- 239000010410 layer Substances 0.000 claims description 14
- 239000004570 mortar (masonry) Substances 0.000 claims description 14
- 239000011247 coating layer Substances 0.000 claims description 13
- 239000002131 composite material Substances 0.000 claims description 11
- 238000010276 construction Methods 0.000 claims description 9
- 239000004677 Nylon Substances 0.000 claims description 8
- 239000004698 Polyethylene Substances 0.000 claims description 8
- 238000005520 cutting process Methods 0.000 claims description 8
- 229920001778 nylon Polymers 0.000 claims description 8
- -1 polyethylene Polymers 0.000 claims description 8
- 229920000573 polyethylene Polymers 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 239000004744 fabric Substances 0.000 claims description 7
- 239000011162 core material Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- 125000006850 spacer group Chemical group 0.000 claims description 6
- 230000001276 controlling effect Effects 0.000 claims description 4
- 229920001971 elastomer Polymers 0.000 claims description 4
- 239000013013 elastic material Substances 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 239000005060 rubber Substances 0.000 claims description 3
- 239000011230 binding agent Substances 0.000 claims description 2
- 239000006261 foam material Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 238000013461 design Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 239000011151 fibre-reinforced plastic Substances 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
- E01B1/002—Ballastless track, e.g. concrete slab trackway, or with asphalt layers
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Machines For Laying And Maintaining Railways (AREA)
- Road Paving Structures (AREA)
Abstract
The invention relates to a railway track technology, in particular to a filling type adjusting pad which is arranged in a cladding steel rail (20) and a track bed track groove (40) together with a cladding layer (21) of an embedded cladding steel rail (20), wherein the pad comprises a filling injection bag (51) and a side adjusting filler (60) which are respectively arranged on the outer bottom surface and the outer side surface of the cladding layer (21) of the embedded cladding steel rail (20); filling material is injected into the filling injection bag (51), and the position of the embedded cladding steel rail (20) is adjusted by controlling the injection amount of the filling material and the thickness of the side surface adjusting filling material (60). Compared with the prior art, the invention has the characteristics of simple structure, quick installation and convenient adjustment.
Description
Technical Field
The invention relates to a railway track technology, in particular to a filling type adjusting base plate for the railway track technology.
Background
Embedded track systems are widely used in urban rail transit because they are easy to install and do not require rail fasteners to secure. CDM is one of the embedded track systems, the advantage of which is based on a unique design, namely "clad rail", the rail being completely encased in a pre-formed elastomer which perfectly adapts to the shape of the track and has a suitable stiffness. After the cladding rail is installed to the track groove of the concrete track bed, the system can provide support for the rail in all directions, can meet strict support requirements on the vertical side and the lateral side, can reduce the influence on the environment, has the effects of reducing vibration and noise and improving insulation, and reduces the harm of stray current. In addition, the cladding rail is embedded in the rail groove of the concrete track bed, so that the rail is not required to be fixed by using a rail fastener, and is continuously supported, thereby being beneficial to inhibiting the generation and development of surface wave grinding of the steel rail.
In the running process of the track system, the rail head can be worn due to wheel rail friction, meanwhile, the position of the track can be changed due to foundation subsidence and the like, and in order to keep the stable running and safety of the vehicle, when the deviation of the position of the track reaches the design limit, the track needs to be adjusted. In the case of rails secured by rail fastener systems, the components of the fastener system are typically adjusted, such as by replacing or adding rail pads. However, for embedded rails, whether or not the rail has cladding material, there is solid filler material between the rail or cladding rail and the rail groove, and therefore adjustment can only be made by lifting the rail entirely out of the rail groove, which is time consuming, labor consuming and sometimes impractical.
Chinese patent CN 200910073186.2 discloses a construction method, which includes the condition adjustment of the rail, the installation of injection bags, the stirring and mixing of resin materials, the injection of resin and post-treatment, after stirring and mixing with filling resin, the filling resin is injected into the injection bags under pressure, and solidified into an insoluble fiber reinforced plastic backing plate, thereby realizing stepless height adjustment of the rail. However, this patent does not mention lateral adjustment in track adjustment, nor does it mention the multiple filling method employed when multiple adjustments can be made to the track, which makes multiple accurate adjustments difficult in maintenance of the track.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the filling type adjusting base plate which has a simple structure, is rapid and convenient to install and can realize three-dimensional repeated adjustment.
The aim of the invention can be achieved by the following technical scheme:
the invention designs a filling type adjusting base plate capable of realizing three-dimensional and multi-time adjustment, and the base plate and a coating layer of an embedded coating steel rail are installed in a track and a track groove together. The backing plate comprises two parts, namely a filling injection bag and a side surface adjusting filler, which are respectively arranged on the outer bottom surface and the outer side surface of the cladding layer of the embedded cladding steel rail. Filling materials are injected into the filling injection bags, and the positions of the embedded coated steel rails are adjusted by controlling the injection amount of the filling materials and adjusting the thickness of the filling materials on the side surfaces.
Further, the filling injection bag is in a single or multiple stacked mode, one end of the filling injection bag is provided with an injection end, the other end of the filling injection bag is provided with a discharge end, and the bottoms of the injection end and the discharge end are fixed on the filling injection bag (the position is positioned in the middle of the filling injection bag) and extend to the upper surface of the coating layer along the outer side surface of the coating layer.
Further, the injection ends and the discharge ends of the plurality of stacked filling injection bags are arranged in sequence, and cannot be arranged in a stacked manner.
Further, the filling end and the discharge end of the filling injection bag are in a pipeline shape, the length of the filling injection bag is larger than the height of the embedded cladding steel rail, and the width of the filling injection bag is larger than 5mm. Because the embedded cladding steel rail is fixed in the track bed track groove in a concrete pouring mode, when the length of the filling injection bag is more than 2m, the number of injection ends and the number of discharge ends are required to be increased; and placing a spacer in the hose at the injection end and the discharge end to ensure enough mortar injection space, wherein the length of the spacer is consistent with the height of the embedded cladding steel rail, the thickness is 5-10mm, and the spacer is made of rubber, metal or composite materials. Before starting to inject the filling mortar, the spacer should be taken out.
Further, the filling injection bag fabric is made of a nylon polyethylene composite material, and a layer of reinforced core material is arranged in the filling injection bag fabric, the heat-resistant temperature of the nylon polyethylene composite material is more than 110 ℃, the tensile strength of the nylon polyethylene composite material is more than 10MPa, and the reinforced core material is made of glass fiber cloth material or material with more than the same performance.
Further, the filling injection bags are arranged along the track direction, the length of the filling injection bags is limited to 1-10m for ensuring the accuracy of track position adjustment, and the width of the filling injection bags is the same as the width of the outer bottom surface of the cladding layer of the embedded cladding steel rail.
Further, during construction, the filling injection bag is fixed on the embedded cladding steel rail in a mode of binding agent, film material wrapping or binding belt, or is fixedly installed on a construction site or an embedded cladding steel rail production site. When filling, the filling material filled in the filling bag is CA mortar or resin material.
The lateral adjusting filler is filled between the outer side surface of the embedded coating steel rail coating layer and the track bed track groove while the filling adjusting pad is arranged at the bottom of the embedded steel rail, so that the transverse position of the steel rail is adjusted. The side surface adjusting filler is made of a liquid elastic material, has physical characteristics similar to those of the embedded coating steel rail coating after solidification, and can be tightly combined with the steel rail coating and the track bed track groove. In addition, the bottom of side regulation filler is provided with the reservation cavity to prevent to cut to the concrete track bed in the in-process of construction.
Compared with the prior art, the invention does not need to hang the steel rail during adjustment, can carry out transverse adjustment and multiple adjustment, and does not influence the filling type adjusting backing plate when a new track is replaced.
The invention is used for solving the problem that the embedded track is difficult to adjust. The purpose of adjusting the track position is achieved by the mortar injection bags of the multilayer filling type backing plates which are arranged on the outer bottom surface of the cladding track in advance and the adjusting fillers on the side surfaces. When the track deviates from the initially set position due to wear or foundation subsidence or other reasons during operation, it is necessary to adjust the track to a preset position to ensure driving comfort and safety. By the method, the vertical position of the mortar adjusting rail is firstly injected into the preset mortar injection bag, and then the transverse position is further adjusted through the lateral adjusting filler, so that accurate adjustment is achieved. The design of the multi-layer injection bag can realize multiple adjustment during the design life of the rail, and has the characteristics of simple structure, quick installation and convenient adjustment.
Drawings
Fig. 1 is: schematic diagram of filling type adjusting backing plate;
Fig. 2 is: A-A in FIG. 1;
fig. 3 is: FIG. 1 is a sectional view B-B;
Fig. 4 is: schematic diagram of the use state of the filling type adjusting backing plate.
In the figure: 20. the embedded steel rail coating comprises a steel rail, a coating layer, a bottom surface, a side surface, a track groove, a track bed, a filling type adjusting base plate, a filling type filling bag, a filling end, a discharging end, a spacing bar, a side adjusting filler, a reserved cavity, a side adjusting filler cutting line, a concrete and a concrete track bed.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the description of the embodiments will be briefly described below. It is evident that the drawings in the following description are only some embodiments of the present invention and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
Example 1
As shown in fig. 1, the filling type adjusting pad includes a mortar filling injection bag 51 and a side adjusting filler 60, which are respectively provided at an outer bottom surface 22 and an outer side surface 23 of a cladding layer 21 of an embedded cladding rail 20. Filling material mortar is injected into the filling injection bags 51, the height of the embedded cladding steel rail 20 is adjusted by controlling the injection amount of the mortar, the lateral adjustment filler 60 adjusts the lateral position of the embedded cladding steel rail 20, and the position of the embedded cladding steel rail 20 is adjusted by precisely controlling the injection amount of the mortar 70 and the thickness of the lateral adjustment filler 60.
The filling and injecting bag 51 may be in a single or multiple stacked form (3 stacked forms in this embodiment), one end of the filling and injecting bag 51 is provided with an injecting end 52, the other end is provided with an ejecting end 53, as shown in fig. 2, one end bottoms of the injecting end 52 and the ejecting end 53 are fixed at the middle part of the length of the filling and injecting bag 51 (3 injecting ends 52 (and ejecting ends 53) are provided, and are respectively connected with the 3 stacked filling and injecting bags 51), and the other end extends to the upper surface of the coating layer along the outer side 23 of the coating layer 21. The injection end 52 and the discharge end 53 of the plurality of stacked filling injection bags 51 are arranged in sequence (as shown in fig. 2), and the injection end 52 and the discharge end 53 of the filling injection bags 51 are in the shape of a pipe, and have a length greater than the height of the embedded cladding rail 20 and a width greater than 5mm. Before use, a spacing bar 54 is reserved in the injection end 52 and the discharge end 53, the length of the spacing bar 54 is consistent with the height of the embedded cladding steel rail 20, the thickness is 5-10mm, and the material is rubber, metal or composite material.
The filling injection bag 51 is made of nylon polyethylene composite material, and is internally provided with a layer of reinforced core material, wherein the nylon polyethylene composite material has a heat-resistant temperature of more than 110 ℃ and a tensile strength of more than 10MPa, and the reinforced core material is made of glass fiber cloth.
The filling injection bags 51 are arranged along the rail direction and have a length of 5m and a width as wide as the outer bottom surface of the cladding of the embedded cladding rail 20. In construction, the filling injection bag 51 is fixed to the embedded clad rail 20 by means of adhesive bonding. In the filling process, the filling material filled in the filling bag 51 is CA mortar. The lateral adjustment filler 60 is filled between the outer side of the cladding 21 of the embedded cladding rail 20 and the ballast bed track groove 40, thereby adjusting the lateral position of the rail. The side regulating filler 60 is a liquid elastic material that, after curing, is similar to the physical properties of the cladding 21 of the embedded clad rail 20 and is capable of tightly bonding to the cladding 21 and the ballast bed track groove 40.
The 3-layer filling injection bag 51 is arranged on the outer bottom surface 22 of the embedded steel rail cladding layer 21; the injection end 52 and the discharge end 53 of the 3-layer filling injection bag are sequentially arranged on the outer side surface 23 of the embedded cladding steel rail cladding layer, and as shown in fig. 2, the middle gap is filled with concrete 80; a gap is left between the ballast bed track groove 40 and the outer side 23 of the embedded cladding rail cladding layer 21, wherein the side adjusting filler 60 is filled, and when the side adjusting filler is injected, a small amount of foam material is filled at the bottom of the gap to form a reserved cavity 61, as shown in fig. 1.
During use of the track, the track position may deviate for a variety of reasons, and when the degree of deviation reaches a certain range or design limit, adjustments to the track are required. As shown in fig. 4, the adjustment process includes the steps of:
S1: firstly, cutting the side adjusting fillers 60 on two sides along the side adjusting filler cutting lines 62 to the reserved cavity 61, wherein the reserved cavity 61 has the function of preventing the cutting to the concrete track bed 90 during cutting;
s2: taking out the spacer 54 that is pre-left in the filling end 52 and the emerging end 53 of the uppermost filled bag;
s3: injecting mortar 70 at the injection end 52 while monitoring the up-down position of the measurement track until a preset target is reached;
S4: if the transverse position of the track also needs to be adjusted, taking out a certain amount of side adjusting filling materials according to the requirement, and adjusting the transverse position;
s5: finally, the side regulating filler is refilled.
And (5) repeating the steps 1-5 when multiple adjustments are needed.
Example 2
The filling injection bags 51 were placed under the outer bottom surface 22 of the cladding layer 21 of the embedded cladding rail 20, the number of filling injection bags 51 was single, the length was 1m, and in the construction site, the filling injection bags 51 were fixed to the cladding rail 20 by wrapping with a film material, and the rest was the same as in example 1.
Example 3
The number of filling injection bags 51 is 5in the form of superposition, the length is 10m, the number of the injection ends 52 and the discharge ends 53 is increased to 5, the filling injection bags 51 are fixed on the coated steel rail 20 in a binding band mode at a construction site, the filling injection bags are not removed in the concrete pouring construction, and the rest is the same as in the embodiment 1.
Claims (3)
1. A filled adjusting shim plate which is mounted in a cladding rail (20) and a ballast track groove (40) together with a cladding layer (21) of an embedded cladding rail (20), characterized in that: the backing plate comprises a filling injection bag (51) and a side surface adjusting filler (60), which are respectively arranged on the outer bottom surface (22) and the outer side surface (23) of the coating layer (21) of the embedded coated steel rail (20); filling materials are filled into the filling injection bags (51), and the positions of the embedded cladding steel rails (20) are adjusted by controlling the filling amount of the filling materials and the thickness of the side surface adjusting filling materials (60);
The filling injection bag (51) is in a single or multiple stacked mode, one end of the filling injection bag (51) is provided with an injection end (52), the other end of the filling injection bag is provided with a discharge end (53), and the bottoms of the injection end (52) and the discharge end (53) are fixed on the filling injection bag (51) and extend to the upper surface of the coating layer (21) along the outer side surface of the coating layer (21); the injection ends (52) and the discharge ends (53) of the plurality of stacked filling injection bags (51) are arranged in sequence;
The filling material injected into the filling injection bag (51) is CA mortar or resin material;
The lateral adjusting filler (60) is filled between the outer lateral surface (23) of the coating layer (21) of the embedded coated steel rail (20) and the track bed track groove (40) so as to adjust the transverse position of the steel rail; when filling the side surface adjusting filler (60), filling a small amount of foam material into the bottom of the gap to form a reserved cavity (61);
The side surface adjusting filler (60) is made of a liquid elastic material, and is tightly combined with the coating layer (21) and the track bed track groove (40) after being solidified;
the fabric of the filling injection bag (51) is made of a nylon polyethylene composite material, a layer of reinforced core material is arranged in the fabric, the heat-resistant temperature of the nylon polyethylene composite material is more than 110 ℃, the tensile strength of the nylon polyethylene composite material is more than 10MPa, and the reinforced core material is made of glass fiber cloth;
the filling injection end (52) and the discharge end (53) of the filling injection bag (51) are in a pipeline shape, the length of the filling injection bag is larger than the height of the embedded cladding steel rail (20), and the width of the filling injection bag is larger than 5mm;
When the length of the filling injection bag (51) is more than 2m, the number of the injection end (52) and the discharge end (53) is increased; placing a spacing bar (54) in the injection end (52) and the discharge end (53), wherein the length of the spacing bar (54) is consistent with the height of the embedded cladding steel rail (20), the thickness is 5-10mm, and the material is rubber, metal or composite material;
The adjusting process of the filling type adjusting base plate comprises the following steps:
s1: firstly, cutting side face adjusting fillers (60) on two sides along side face adjusting filler cutting lines to a reserved cavity (61), wherein the reserved cavity (61) is used for preventing a concrete track bed (90) from being cut during cutting;
s2: taking out the spacer (54) which is reserved in the injection end (52) and the discharge end (53) of the uppermost filling injection bag;
s3: injecting mortar (70) into the injection end (52) and simultaneously monitoring the upper and lower positions of the measuring track until a preset target is reached;
S4: if the transverse position of the track also needs to be adjusted, taking out a certain amount of side adjusting filling materials (60) according to the requirement, and adjusting the transverse position;
s5: finally, the side regulating filler (60) is refilled;
and (5) repeating the steps 1-5 when multiple adjustments are needed.
2. A filled-style regulator pad as defined in claim 1, wherein: the filling injection bag (51) is fixed on the embedded cladding steel rail (20) by adopting a mode of binding agent, film material wrapping or binding belt, or is fixedly installed on a construction site or a production site of the embedded cladding steel rail (20).
3. A filled-style regulator pad as defined in claim 1, wherein: the filling injection bags (51) are arranged along the track direction, the length of the filling injection bags is 1-10m, and the width of the filling injection bags is the same as the outer bottom surface of the coating layer (21) of the embedded coating steel rail (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711347391.4A CN108049260B (en) | 2017-12-15 | 2017-12-15 | Filling type adjusting base plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711347391.4A CN108049260B (en) | 2017-12-15 | 2017-12-15 | Filling type adjusting base plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108049260A CN108049260A (en) | 2018-05-18 |
| CN108049260B true CN108049260B (en) | 2024-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711347391.4A Active CN108049260B (en) | 2017-12-15 | 2017-12-15 | Filling type adjusting base plate |
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| CN (1) | CN108049260B (en) |
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