CN212404666U - Ballastless track turnout open joint treatment structure - Google Patents
Ballastless track turnout open joint treatment structure Download PDFInfo
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- CN212404666U CN212404666U CN202022250260.8U CN202022250260U CN212404666U CN 212404666 U CN212404666 U CN 212404666U CN 202022250260 U CN202022250260 U CN 202022250260U CN 212404666 U CN212404666 U CN 212404666U
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- 239000000084 colloidal system Substances 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 239000003292 glue Substances 0.000 claims abstract description 19
- 241001669679 Eleotris Species 0.000 claims abstract description 7
- 238000009418 renovation Methods 0.000 claims abstract description 6
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 8
- 238000007569 slipcasting Methods 0.000 abstract description 5
- 210000003437 trachea Anatomy 0.000 abstract description 5
- 238000009826 distribution Methods 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 31
- 238000005553 drilling Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 9
- 238000004080 punching Methods 0.000 description 7
- 238000007664 blowing Methods 0.000 description 6
- 239000011229 interlayer Substances 0.000 description 6
- 239000010410 layer Substances 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The utility model discloses a ballastless track switch off joint renovation structure. This ballastless track switch crack renovation structure, including base plate, switch track board and sleeper, there is the crack between base plate and the switch track board, its characterized in that: still include a plurality of PVC pipes that run through the crack, peg graft at slip casting pipe, the colloid of filling in the crack of the slip casting pipe at PVC pipe both ends, perpendicular to PVC pipe's a plurality of equidistance distribution exhaust hole, peg graft at the soft trachea on exhaust hole top and fill in the crack, the both ends of PVC pipe and the one end that the PVC pipe was kept away from in the exhaust hole all adopt the shutoff of edge sealing glue, set up a plurality of perpendicular cross's through-hole on the PVC pipe, overcome prior art's not enough, can realize carrying out the shutoff to the crack inside, can be under construction in effectual skylight time point, need not to interrupt the train operation of existing line, less to the influence on existing line, need not take the speed limit.
Description
Technical Field
The utility model belongs to the technical field of ballastless track equipment, concretely relates to ballastless track switch off-seam renovation structure.
Background
In recent years, China continuously makes new breakthrough and achievement in the field of high-speed railways, the total operating mileage of high-speed railways in China is 2.2 kilometers at present, the national state with the longest operating mileage of the high-speed railways is formed, and the train operating speed successively breaks through 200km/h, 250km/h and 350 km/h. The ballastless track has the characteristics of good stability, good durability, small plastic deformation, small maintenance amount and the like, and becomes the main development direction of the track structure of the high-speed railway. Practice practices of high-speed rail operation at home and abroad show that: with the continuous increase of operation time, under the repeated action of complex natural environment and high-speed train impact load, the ballastless track and the roadbed are inevitably damaged and destroyed, and the defects and the damages of the off-line engineering structure are gradually exposed in the ballastless track line.
In a ballastless track multilayer structure system, a seam between a track plate and a base plate is a weakest area, and once fatigue failure occurs, the structural weakness area is firstly damaged; the interfacial damage debonding cracking between the track plate and the bed plate (support layer) is a typical interlayer damage problem. The interlayer damage changes the bearing and force transmission paths of the track structure, and may cause certain influence on the bearing capacity, functionality and long-term service durability of the ballastless track structure. The interlayer gap is one of main damages of a ballastless track structure, and the interlayer force transfer characteristic and the service performance of the track structure are seriously influenced. Construction defects, temperature load, high-frequency circulating train load and interlayer water seepage are main reasons for the generation and development of interlayer separation seams of the track structure.
In the prior art, in a part of road sections, the junction between the side end face of the track slab and the side end face of the bed plate (supporting layer) is covered below the sealing layer, the traditional construction mode is that the sealing layer is completely chiseled, gaps at the junction between the side end face of the track slab and the side end face of the bed plate (supporting layer) are blocked, then grouting filling operation is carried out on a gap between the lower end face of the track slab and the upper end face of the bed plate, and the sealing layer is poured again after grouting construction is completed. The construction method has the advantages of large workload, low construction efficiency, higher cost, easy generation of roadbed disturbance and damage to the original roadbed structure.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a ballastless track switch is from seam renovation structure has overcome the not enough of prior art, can realize carrying out the shutoff to the inside off-seam, can be under construction in effectual skylight time point, need not to interrupt the train operation of existing line, and is less to the influence on existing line, need not take the speed limit.
In order to solve the above problems, the utility model adopts the following technical proposal:
the utility model provides a ballastless track switch is from seam renovation structure, includes base plate, switch track board and sleeper, there is the crack between base plate and the switch track board, its characterized in that: the PVC pipe sealing device is characterized by further comprising a plurality of PVC pipes penetrating through the gap, grouting pipes inserted at two ends of the PVC pipes, a plurality of equidistantly-distributed exhaust holes perpendicular to the PVC pipes, a soft air pipe inserted at the top end of each exhaust hole and a colloid filled in the gap, wherein the two ends of each PVC pipe and one end of each exhaust hole far away from the PVC pipe are sealed by edge sealing glue, and a plurality of vertical cross through holes are formed in the PVC pipes.
Further, the diameter of the PVC pipes is 14mm-32mm, the distance between the PVC pipes is 0.65m-2m, the aperture of the through hole is 2mm-20mm, and the distance between the holes is 0.3-1 m.
Furthermore, the aperture of the vent holes is 14-20mm, and the distance between the vent holes is 0.65-2 m.
Based on the ballastless track turnout open joint treatment method, the method comprises the following steps:
(1) marking the position of a drill hole; marking a drilled hole with a transverse section for the unballasted track turnout open joint;
(2) transversely punching; forming a gap between the base plate and the turnout track plate, and transversely and vertically drilling holes to obtain water drilled holes;
(3) washing the hole; cleaning the inside of a water supply drill hole and the peripheral open joints of the water supply drill hole by using a high-pressure water gun, and removing impurities in the water supply drill hole and the peripheral open joints; then, a high-power blower is used for blowing air into the holes to blow out water in the holes;
(4) c, opening an exhaust hole; vertically punching a plurality of times on the turnout track plate along the direction of a water drilling hole to obtain a plurality of exhaust holes;
(5) inserting a tube; inserting grouting pipes at two ends of a PVC pipe, sequentially inserting a soft air pipe at the top end of an exhaust pipe, and respectively plugging the edges of the grouting pipes and the edges of the soft air pipe by using edge sealing glue;
(6) plugging the gap; separating the gap between the track plate and the base plate, polishing the gap by using an angle grinder, blowing off dust by using a blower, sealing the gap at the periphery by using edge sealing glue, and curing the edge sealing glue;
(7) injecting glue for gap opening; connecting grouting pipes on the PVC pipes by using a plurality of grouting devices, and injecting the colloid into the open seams through the crossed through holes along the PVC pipes;
(8) cleaning the site; and after the colloid is solidified, cutting the exhaust pipe by using an angle grinder, and flattening the edge sealing glue by using the angle grinder to recover the site.
And (3) before the step (2) of punching, fixedly mounting a cushion block and a positioning plate on the same side of the turnout track plate and the base plate through expansion bolts, wherein the positioning plate is provided with a water drill hole, a positioning hole and a water drill fixing hole.
Further, the specific installation steps of the positioning plate are as follows: firstly, enabling a water drill hole to correspond to the position of the drill hole marked in the step (1), and determining that a positioning plate is parallel to a turnout track plate by adopting a level gauge; then the positioning plate is fixed on the base plate through the connection of the expansion bolts and the corresponding positioning holes; and finally, installing the water drill drilling machine on the positioning plate through the water drill fixing hole to enable the water drill bit to correspond to the drilling position.
Further, in the step (3), a slender hollow pipe is installed at the air outlet end of the blower, and the slender hollow pipe is inserted into the water drill hole during blowing.
And (3) further, monitoring the elevation of the turnout track plate by using a measuring method in the glue injection process in the step (7), and stopping injecting the glue when the elevation growth change of the turnout track plate is found.
Further, whether the colloid overflows from the soft air pipe or not is observed in the glue injection process in the step (7), and when the colloid overflows from the soft air pipe, the soft air pipe is blocked.
Compared with the prior art, the utility model, following beneficial effect has:
1. the utility model discloses simple process, the simple operation can be under construction in effectual skylight time point, need not to interrupt the train operation of existing line, and is less to the influence of existing line, need not take the speed limit.
2. The utility model discloses can be with the abundant filling of colloid to the crack in, the colloid pours into the gap coverage rate height into.
3. The utility model discloses a technology use tools are few, and the loss is low, and the cost of labor can obtain effective control, and economic benefits is high.
Drawings
Fig. 1 is a schematic structural diagram of a ballastless track turnout gap treatment structure.
Fig. 2 is a schematic structural diagram of a positioning plate in a ballastless track turnout gap treatment structure.
Fig. 3 is a schematic view of pipe fitting installation in a ballastless track turnout gap treatment structure.
In the figure: 1. a base plate; 2. a turnout track plate; 3. a sleeper; 4. positioning a plate; 401. a plate member; 402. positioning holes; 403. drilling a bit hole; 404. drilling a fixing hole with water; 5. cushion blocks; 6. an exhaust hole; 7. drilling holes in water; 8. PVC pipes; 9. a grouting pipe; 10. softening the trachea.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
As shown in fig. 1-3, the utility model relates to a ballastless track switch relief structure, including bed plate 1, switch track board 2 and sleeper 3, there is the relief between bed plate 1 and the switch track board 2, its characterized in that: still include a plurality of PVC pipes 8 that run through the crack, peg graft at slip casting pipe 9 at 8 both ends of PVC pipe, a plurality of equidistance distribution exhaust hole 6 of perpendicular to PVC pipe 8, peg graft at the soft trachea 10 on exhaust hole 6 top and fill the colloid in the crack, PVC pipe 8's both ends and exhaust hole 6 one end of keeping away from PVC pipe 8 all adopt the shutoff of edge sealing glue, set up a plurality of perpendicular cross through-holes on the PVC pipe 8.
The diameter of the PVC pipe 8 is 14mm, the distance between the PVC pipes is 0.65m, the aperture of the through hole is 2mm, and the distance between the holes is 0.3 m.
The aperture of the exhaust holes 6 is 14mm, and the pitch of the exhaust holes 6 is 0.65 m.
Example 2
As shown in fig. 1-3, the utility model relates to a ballastless track switch relief structure, including bed plate 1, switch track board 2 and sleeper 3, there is the relief between bed plate 1 and the switch track board 2, its characterized in that: still include a plurality of PVC pipes 8 that run through the crack, peg graft at slip casting pipe 9 at 8 both ends of PVC pipe, a plurality of equidistance distribution exhaust hole 6 of perpendicular to PVC pipe 8, peg graft at the soft trachea 10 on exhaust hole 6 top and fill the colloid in the crack, PVC pipe 8's both ends and exhaust hole 6 one end of keeping away from PVC pipe 8 all adopt the shutoff of edge sealing glue, set up a plurality of perpendicular cross through-holes on the PVC pipe 8.
The diameter of the PVC pipe 8 is 24mm, the distance between the PVC pipes is 1.3m, the aperture of the through hole is 11mm, and the distance between the holes is 0.65 m.
The aperture of the exhaust holes 6 is 17mm, and the distance between the exhaust holes 6 is 1.3 m.
Example 3
As shown in fig. 1-3, the utility model relates to a ballastless track switch relief structure, including bed plate 1, switch track board 2 and sleeper 3, there is the relief between bed plate 1 and the switch track board 2, its characterized in that: still include a plurality of PVC pipes 8 that run through the crack, peg graft at slip casting pipe 9 at 8 both ends of PVC pipe, a plurality of equidistance distribution exhaust hole 6 of perpendicular to PVC pipe 8, peg graft at the soft trachea 10 on exhaust hole 6 top and fill the colloid in the crack, PVC pipe 8's both ends and exhaust hole 6 one end of keeping away from PVC pipe 8 all adopt the shutoff of edge sealing glue, set up a plurality of perpendicular cross through-holes on the PVC pipe 8.
The diameter of the PVC pipe 8 is 32mm, the distance between the PVC pipes is 2m, the aperture of the through hole is 20mm, and the distance between the holes is 1 m.
The aperture of the exhaust holes 6 is 20mm, and the distance between the exhaust holes 6 is 2 m.
The method for treating the open joint of the ballastless track turnout in the embodiment 1-3 comprises the following steps:
(1) marking the position of a drill hole; marking a drilled hole with a transverse section for the unballasted track turnout open joint;
(2) transversely punching; a gap is formed between the base plate 1 and the turnout track plate 2, and a horizontal vertical drilling hole is drilled to obtain a water drilling hole 7;
for vertical punching, before punching, a cushion block 5 and a positioning plate 4 are fixedly arranged on the same side of the turnout track plate 2 and the base plate 1 respectively through expansion bolts, and the positioning plate 4 is provided with a water drill hole 403, a positioning hole 402 and a water drill fixing hole 404; the specific installation steps of the positioning plate 4 are as follows: firstly, enabling a water drill hole 403 to correspond to the position of the drill hole marked in the step (1), and determining that a positioning plate 4 is parallel to a turnout track plate 2 by adopting a level gauge; then, the positioning plate 4 is fixed on the base plate 1 by connecting the expansion bolts with the corresponding positioning holes 402; finally, the water drill rig is arranged on the positioning plate 4 through the water drill fixing hole 404, so that the water drill bit corresponds to the drilling position.
(3) Washing the hole; cleaning the water supply drill hole 7 and the inner part of the peripheral gap of the water drill hole 7 by using a high-pressure water gun to remove impurities in the water drill hole 7 and the peripheral gap; then, a high-power blower is used for blowing air into the hole to blow out water in the hole, in order to accelerate the efficiency of the blower, a slender hollow pipe is arranged at the air outlet end of the blower, and the slender hollow pipe is inserted into the water drilling hole 7 during blowing.
(4) An exhaust hole 6 is opened; and vertically punching the turnout track plate 2 for multiple times along the direction of the water drilling hole 7 to obtain a plurality of exhaust holes 6.
(5) Inserting a tube; grouting pipes 9 are inserted into two ends of a PVC pipe 8, a soft air pipe 10 is inserted into the top end of the exhaust pipe in sequence, and edges of the grouting pipes 9 and the soft air pipe 10 are respectively sealed by edge sealing glue.
(6) Plugging the gap; and (3) separating the gap between the track plate and the base plate 1, polishing the gap by using an angle grinder, blowing off dust by using a blower, and then sealing the gap at the periphery by using edge sealing glue to cure the edge sealing glue.
(7) Injecting glue for gap opening; connecting grouting pipes 9 on a PVC pipe 8 by using a plurality of grouting devices (the pressure of the grouting devices is 0.05MPa-0.4MPa), injecting colloid into a gap along the PVC pipe 8 through cross through holes, monitoring the elevation of a turnout track plate 2 by using a measuring method in the process of injecting the colloid, observing the elevation while injecting the colloid, checking whether the colloid overflows from a soft air pipe 10, stopping injecting the colloid when the elevation growth change of the turnout track plate 2 is found, and blocking the soft air pipe 10 when the colloid overflows from the soft air pipe 10 is found; in order to ensure the saturation degree inside the gap, after the grouting pipe 9 finishes grouting, grouting is sequentially carried out in the soft air pipe 10 without the colloid overflowing until the soft air pipe 10 is filled with the colloid.
(8) Cleaning the site; and after the colloid is solidified, cutting the exhaust pipe by using an angle grinder, and flattening the edge sealing glue by using the angle grinder to recover the site.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (3)
1. The utility model provides a ballastless track switch is from seam renovation structure, includes base plate, switch track board and sleeper, there is the crack between base plate and the switch track board, its characterized in that: the PVC pipe sealing device is characterized by further comprising a plurality of PVC pipes penetrating through the gap, grouting pipes inserted at two ends of the PVC pipes, a plurality of equidistantly-distributed exhaust holes perpendicular to the PVC pipes, a soft air pipe inserted at the top end of each exhaust hole and a colloid filled in the gap, wherein the two ends of each PVC pipe and one end of each exhaust hole far away from the PVC pipe are sealed by edge sealing glue, and a plurality of vertical cross through holes are formed in the PVC pipes.
2. The structure of claim 1, wherein the structure for treating the junction gap of the ballastless track turnout is characterized in that: the diameter of the PVC pipes is 14mm-32mm, the distance between the PVC pipes is 0.65m-2m, the aperture of the through hole is 2mm-20mm, and the distance between the holes is 0.3-1 m.
3. The structure of claim 1, wherein the structure for treating the junction gap of the ballastless track turnout is characterized in that: the aperture of the vent holes is 14-20mm, and the distance between the vent holes is 0.65-2 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022250260.8U CN212404666U (en) | 2020-10-12 | 2020-10-12 | Ballastless track turnout open joint treatment structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022250260.8U CN212404666U (en) | 2020-10-12 | 2020-10-12 | Ballastless track turnout open joint treatment structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212404666U true CN212404666U (en) | 2021-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022250260.8U Active CN212404666U (en) | 2020-10-12 | 2020-10-12 | Ballastless track turnout open joint treatment structure |
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| Country | Link |
|---|---|
| CN (1) | CN212404666U (en) |
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- 2020-10-12 CN CN202022250260.8U patent/CN212404666U/en active Active
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Address after: 436000, No. 16 Qinggong Road, Wuchu Avenue, Echeng District, Ezhou City, Hubei Province Patentee after: Hubei Muzhijun Technology Co.,Ltd. Address before: 436000 Wuhan Port Industrial Park, Ezhou Economic Development Zone, Hubei Province Patentee before: HUBEI MUZHI JUN ENGINEERING MATERIALS CO.,LTD. |