CN113005833A - Device and method for repairing structural crack damage of ballastless track bed of high-speed railway - Google Patents
Device and method for repairing structural crack damage of ballastless track bed of high-speed railway Download PDFInfo
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- CN113005833A CN113005833A CN202110282969.2A CN202110282969A CN113005833A CN 113005833 A CN113005833 A CN 113005833A CN 202110282969 A CN202110282969 A CN 202110282969A CN 113005833 A CN113005833 A CN 113005833A
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- grouting
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B37/00—Making, maintaining, renewing, or taking-up the ballastway or the track, not provided for in a single one of groups E01B27/00 - E01B35/00
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- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention discloses a device for repairing structural crack damage of a ballast bed of a ballastless track of a high-speed railway, which comprises a grouting device body and a base; the grouting device body comprises a slurry storage barrel body, a slurry pumping rod and a spring; the slurry pumping rod is sequentially provided with a handle, a threaded rod and a piston pad from top to bottom; the piston pad is positioned in the pulp storage barrel body and is in sealed sliding connection with the inner side wall of the pulp storage barrel body; the upper part of the barrel body of the pulp storage barrel is provided with a sealing cover, the center of the sealing cover is provided with a through hole for passing through a threaded rod, and the lower part of the barrel body of the pulp storage barrel is provided with a tubular grouting opening; the spring is sleeved on the threaded rod, one end of the spring is abutted against the inner end face of the sealing cover, and the other end of the spring is abutted against the end face of the piston pad; the threaded rod is also connected with a nut, and the nut is positioned outside the barrel body of the pulp storage barrel to adjust the telescopic length of the spring; the base is provided with an input port, a ball valve and an output port in sequence from top to bottom, and the input port is detachably communicated with the grouting port. The invention also discloses a method for repairing the structural crack damage of the ballastless track bed of the high-speed railway. The invention saves working hours, is environment-friendly and saves cost.
Description
Technical Field
The invention relates to the field of repairing of structural crack damage of a track bed of a high-speed railway track, in particular to a device and a method for repairing structural crack damage of a track bed of a ballastless track of a high-speed railway.
Background
At present, after a crack occurs in a ballastless track bed structure of a high-speed railway, if the crack is not repaired in time, external water is immersed, or under the action of train load and a complex environment, the crack is communicated to reduce the bearing capacity of the ballastless track bed structure, so that potential safety hazards are brought to train operation. At present, the grouting device is mainly used for repairing cracks for crack pouring, although many achievements have been made on the research of the grouting device, for example, the grouting device used in the market at present has a T-shaped piston type elastic crack repairing device, a rubber tube type elastic crack repairing device, an automatic pressure grouting device and the like. The grouters currently in use also have some disadvantages.
The concrete material has the characteristics of expansion with heat and contraction with cold, so the size of the crack can change along with the change of the temperature. The grouting device used in the market at present has no grout stop valve, and the grout is easy to overflow when the width of a crack is changed or the grouting amount is improperly controlled, so that the appearance quality is influenced, the surrounding environment is polluted, and grouting materials are wasted.
The grouting amount per crack is not easy to be counted. The currently used grouting device is not provided with scales, the grouting amount used by each crack cannot be accurately counted, and the cost accounting is inaccurate.
The grouting machine used at present has small volume, generally needs the repeated slurry pumping of operating personnel, and has low operating efficiency.
Disclosure of Invention
The invention provides a device and a method for repairing the structural crack damage of a ballastless track bed of a high-speed railway, which are used for solving the technical problems in the prior art.
The technical scheme adopted by the invention for solving the technical problems in the prior art is as follows: a device for repairing structural crack damage of a ballast bed of a ballastless track of a high-speed railway comprises a grouting device body and a base; the grouting device body comprises a slurry storage barrel body, a slurry pumping rod and a spring; the slurry pumping rod is sequentially provided with a handle, a threaded rod and a piston pad from top to bottom; the piston pad is positioned in the pulp storage barrel body and is in sealed sliding connection with the inner side wall of the pulp storage barrel body; the upper part of the barrel body of the pulp storage barrel is provided with a sealing cover, the center of the sealing cover is provided with a through hole for passing through a threaded rod, and the lower part of the barrel body of the pulp storage barrel is provided with a tubular grouting opening; the spring is sleeved on the threaded rod, one end of the spring is abutted against the inner end face of the sealing cover, and the other end of the spring is abutted against the end face of the piston pad; the threaded rod is also in threaded connection with a nut, and the nut is positioned outside the pulp storage barrel body and used for adjusting the telescopic length of the spring; the base is provided with an input port, a ball valve and an output port in sequence from top to bottom, and the input port is detachably communicated with the grouting port.
Furthermore, the lower part of the base is provided with a horn-shaped supporting leg, and the output port is arranged in the horn-shaped supporting leg.
Furthermore, the barrel body of the slurry storage barrel is provided with scales capable of displaying the height of the liquid level of the slurry.
Furthermore, the threaded rod is provided with scales capable of displaying the height of the nut relative to the end face of the piston pad.
Further, the piston pad includes interconnect's metal piston pad and rubber piston pad, and rubber piston pad and the sealed sliding connection of storage thick liquid bucket staving inside wall.
Further, a check valve structure is also provided in the passage of the output port.
Furthermore, the lower part of the output port is provided with an output pipe which protrudes out of the bottom surface of the base, the outer diameter size of the output pipe is matched with the inner diameter size of the grouting hole, and the output pipe is inserted into the grouting hole during grouting.
The invention also provides a method for repairing the crack damage of the ballastless track bed structure of the high-speed railway by using the device for repairing the crack damage of the ballastless track bed structure of the high-speed railway, which comprises the following steps:
step 1, placing a grouting opening into grout, lifting a grout pumping rod upwards to inject the grout into a barrel body of a grout storage barrel, and rotating a nut downwards to abut against the outer end face of a sealing cover to limit the extension of a spring; closing the ball valve on the base, aligning the output port with the grouting hole, and fixing the base on the outer edge of the grouting hole by using a bonding material; mounting the slip casting body on a base;
step 3, opening the ball valve on the base, canceling the upward pulling force applied to the slurry pumping rod, and moving the piston pad downwards under the action of the downward pressure of the spring so as to push slurry to be injected into the grouting hole from the output port until the nut abuts against the outer end face of the sealing cover;
step 4, observing the grouting condition until the grout overflow hole discharges grout, indicating that the seam is full, and closing a ball valve on the base;
and 5, detaching the grouting device body to the next working surface.
Further, before the base is fixed on the outer edge of the grouting hole, the method also comprises the following steps:
step a, selecting grouting holes and slurry overflowing holes according to the positions and sizes of cracks;
b, cleaning the periphery of the crack to ensure clean working environment;
and c, sealing the surface of the crack except the grouting hole and the grout overflowing hole by using a sealing material.
Further, after the slip casting ware body is dismantled, after the thick liquid solidification, retrieve the base.
The invention has the advantages and positive effects that:
be equipped with the scale on the slip casting ware, can adjust nut position according to the slip casting ware scale, make the pole of taking out thick liquid stop promoting after pushing down thick liquid to a certain position to control the grouting volume, avoid the waste of thick liquid.
The grouting device body with large capacity can be adopted, and bases with different output port sizes are matched, so that the working hours are saved. And slip casting ware body and base all can reuse, environmental protection and saving cost.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a grouting device body according to the invention;
fig. 3 is a schematic view of a base structure of the present invention.
In the figure: 1. a handle; 2. a threaded rod; 3. a nut; 4. sealing the cover; 5. a pulp storage barrel body; 6. a spring; 7. a metal piston pad; 8. a rubber piston pad; 9. a grouting port; 10. an input port; 11. a ball valve; 12. an output port; 13. a base; 14. a support leg; 15. internal threads of the input port.
Detailed Description
For further understanding of the contents, features and effects of the present invention, the following embodiments are enumerated in conjunction with the accompanying drawings, and the following detailed description is given:
referring to fig. 1 to 3, a device for repairing a structural crack of a ballastless track bed of a high-speed railway includes a grouting device body and a base 13; the slip casting ware body includes: a slurry storage barrel body 5, a slurry pumping rod and a spring 6; the slurry pumping rod is sequentially provided with a handle 1, a threaded rod 2 and a piston pad from top to bottom; the piston pad is positioned in the pulp storage barrel body 5 and is in sealed sliding connection with the inner side wall of the pulp storage barrel body 5; the upper part of the barrel body 5 of the pulp storage barrel is provided with a sealing cover 4, the center of the sealing cover 4 is provided with a through hole for passing through the threaded rod 2, and the lower part of the barrel body 5 of the pulp storage barrel is provided with a tubular grouting port 9; the spring 6 is sleeved on the threaded rod 2, one end of the spring abuts against the inner end face of the sealing cover 4, and the other end of the spring abuts against the end face of the piston pad; the threaded rod 2 is also in threaded connection with a nut 3, and the nut 3 is positioned outside the barrel body 5 of the pulp storage barrel and used for adjusting the telescopic length of the spring 6; the base 13 is sequentially provided with an input port 10, a ball valve 11 and an output port 12 from top to bottom, and the input port 10 is detachably communicated with the grouting port 9.
The outlet 12 of the base 13 may be provided with a plurality of specifications for matching with the grouting holes.
The inlet port 10 and the injection port 9 may be detachably communicated in a screw connection manner. For example, the inlet 10 may be provided with internal threads and the lower end of the injection port 9 may be provided with external threads that mate with the internal threads 15 of the inlet. Other detachable pipeline communication structures can be adopted for the input port 10 and the grouting port 9.
Preferably, the lower portion of the base 13 may be provided with a flared leg 14, and the outlet 12 is provided in the flared leg 14. The flared legs 14 are more easily secured.
Preferably, the barrel body 5 of the pulp storage barrel can be provided with scales capable of displaying the level of the pulp liquid in the cavity of the barrel body 5 of the pulp storage barrel. The grouting amount can be determined according to the scale.
Preferably, the threaded rod 2 may be provided with a scale capable of indicating the height of the nut 3 relative to the end face of the piston pad. By the relation of the slip casting volume and 5 unit scales of the barrel body of the slip storage barrel, the upward adjusting height of the nut 3 is determined, and the scales are arranged on the threaded rod 2, so that the height of the nut 3 relative to the end face of the piston pad is more conveniently adjusted. The scale on the barrel body 5 of the pulp storage barrel is preferably the same as the scale on the threaded rod 2.
Preferably, the piston pad can comprise a metal piston pad 7 and a rubber piston pad 8 which are connected with each other, and the rubber piston pad 8 is in sealing sliding connection with the inner side wall of the barrel body 5 of the pulp storage barrel. The metal piston pad 7 is not easy to deform and is convenient to abut against the spring 6, and the rubber piston pad 8 is easy to seal.
Preferably, a check valve structure may also be provided in the passage of the output port 12. And prevents the slurry from flowing back after the piston pad stops pushing.
Preferably, the lower part of the outlet 12 may be provided with an outlet pipe protruding from the bottom surface of the base 13, the outer diameter of the outlet pipe is matched with the inner diameter of the grouting hole, and the outlet pipe is inserted into the grouting hole during grouting. The output pipe is more conveniently aligned with the grouting hole and prevents the slurry from overflowing.
Preferably, the handle 1 may be a quincunx handle or a pull handle provided with holes for fingers to pass through.
The invention also provides a method for repairing the crack damage of the ballastless track bed structure of the high-speed railway by using the device for repairing the crack damage of the ballastless track bed structure of the high-speed railway, which comprises the following steps:
step 1, placing a grouting opening 9 into grout, lifting a grout pumping rod upwards to inject the grout into a bucket body 5 of a grout storage bucket, and rotating a nut 3 downwards to abut against the outer end face of a sealing cover 4 to limit the extension of a spring 6; closing the ball valve 11 on the base 13, aligning the output port 12 with the grouting hole, and fixing the base 13 on the outer edge of the grouting hole by using a bonding material; the grouter body is mounted to the base 13.
And 3, opening the ball valve 11 on the base 13, canceling the upward pulling force applied to the slurry pumping rod, and moving the piston pad downwards under the action of the downward pressure of the spring 6 so as to push the slurry to be injected into the slurry injection hole from the output port 12 until the nut 3 abuts against the outer end face of the sealing cover 4, so that the extension of the spring 6 is limited, and the piston pad stops moving downwards.
And 4, observing the grouting condition until the grout overflow hole discharges grout, indicating that the seam is full, and closing the ball valve 11 on the base 13.
And 5, detaching the grouting device body to the next working surface.
Preferably, before the base 13 is fixed on the outer edge of the grouting hole, the following steps can be further included:
and a, selecting grouting holes and slurry overflowing holes according to the positions and the sizes of the cracks.
And b, cleaning the periphery of the crack to ensure clean working environment.
And c, sealing the surface of the crack except the grouting hole and the grout overflowing hole by using a sealing material.
Preferably, after the grouter body is removed, the base 13 can be recovered after the grout has solidified.
The working principle of the invention is as follows:
in the invention, a spring 6 is sleeved on a threaded rod 2, one end of the spring abuts against the inner end surface of a sealing cover 4, and the other end of the spring abuts against the end surface of a piston pad; threaded rod 2 is last still threaded connection has nut 3, and nut 3 is located outside storing up thick liquid bucket staving 5, and in upwards lifting the thick liquid pole of taking out made the thick liquid pour into and storing up thick liquid bucket staving 5, spring 6 was upwards compressed by the piston pad, through the position of adjusting nut 3 on the screw rod, makes nut 3 offset with the outer terminal surface of closing cap 4, loosens the hand after, nut 3 supports at the outer terminal surface of closing cap 4, has restricted spring 6 to the extension of piston pad direction.
After the grouting device body is installed on the base 13, the handle 1 is lifted by hands, the nut 3 is adjusted upwards, and the nut 3 is separated from the outer end face of the sealing cover 4, so that external force is needed to continuously apply pulling force to the piston pad to offset the pressure of the spring 6. The height of the upward adjustment of the nut 3 is multiplied by the area of the inner cavity of the grouting device body to obtain the grouting amount; after the nut 3 is adjusted in place, the ball valve 11 is opened, then the handle 1 is loosened, the spring 6 releases elastic force, pressure is applied to the piston pad, the piston pad moves downwards, and therefore slurry flows into the input port 10 of the base 13 from the grouting port 9 and then enters the grouting hole through the ball valve 11 and the output port 12 in sequence. The piston pad moves downwards to drive the threaded rod 2 to move downwards so as to drive the nut 3 to move downwards, and when the nut 3 abuts against the outer end face of the sealing cover 4, upward pulling force is applied to the piston pad, so that the pressure applied to the piston pad by the spring 6 is counteracted; the elongation of the spring 6 is restricted.
The outer diameter of the outlet 12 of the base 13 may be sized to fit the grout hole.
The bases 13 with different sizes of the output ports 12 can be matched with different grouting holes respectively, so that the grout is extracted once and is respectively injected into the different grouting holes. Adopt the slip casting ware body that capacity is great, the base 13 of different delivery outlet 12 sizes is joined in marriage to the cooperation, practices thrift man-hour. And slip casting ware body and base 13 all can reuse, environmental protection and saving cost.
The invention does not need matching equipment such as an air compressor, a hand pump and the like, does not need electricity, has simple and convenient operation and quick construction, can be used in various directions such as horizontal and vertical directions, and can be used for special operation surfaces (without power supply, with obstacles, high altitude, in the field and the like). According to crack length during slip casting, can set up a plurality of bases 13, communicate with base 13 one by one, constantly pour into the thick liquid to can be with direct observation and confirm the circumstances of pouring into, the quality is easily guaranteed.
The above-mentioned embodiments are only for illustrating the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to carry out the same, and the present invention shall not be limited to the embodiments, i.e. the equivalent changes or modifications made within the spirit of the present invention shall fall within the scope of the present invention.
Claims (10)
1. A device for repairing structural crack damage of a ballast bed of a ballastless track of a high-speed railway is characterized by comprising a grouting device body and a base; the grouting device body comprises a slurry storage barrel body, a slurry pumping rod and a spring; the slurry pumping rod is sequentially provided with a handle, a threaded rod and a piston pad from top to bottom; the piston pad is positioned in the pulp storage barrel body and is in sealed sliding connection with the inner side wall of the pulp storage barrel body; the upper part of the barrel body of the pulp storage barrel is provided with a sealing cover, the center of the sealing cover is provided with a through hole for passing through a threaded rod, and the lower part of the barrel body of the pulp storage barrel is provided with a tubular grouting opening; the spring is sleeved on the threaded rod, one end of the spring is abutted against the inner end face of the sealing cover, and the other end of the spring is abutted against the end face of the piston pad; the threaded rod is also in threaded connection with a nut, and the nut is positioned outside the pulp storage barrel body and used for adjusting the telescopic length of the spring; the base is provided with an input port, a ball valve and an output port in sequence from top to bottom, and the input port is detachably communicated with the grouting port.
2. The device for repairing the crack damage of the ballastless track bed structure of the high-speed railway according to claim 1, wherein a horn-shaped support leg is arranged at the lower part of the base, and the output port is arranged in the horn-shaped support leg.
3. The device for repairing the crack damage of the ballastless track bed structure of the high-speed railway according to claim 1, wherein scales capable of displaying the height of the liquid level of the slurry are arranged on the barrel body of the slurry storage barrel.
4. The device for repairing the structural crack damage of the ballastless track bed of the high-speed railway according to claim 1, wherein the threaded rod is provided with a scale capable of displaying the height of the nut relative to the end face of the piston pad.
5. The device for repairing the structural crack damage of the ballastless track bed of the high-speed railway according to claim 1, wherein the piston pad comprises a metal piston pad and a rubber piston pad which are connected with each other, and the rubber piston pad is in sliding connection with the inner side wall of the barrel body of the slurry storage barrel in a sealing manner.
6. The device for repairing the crack damage of the ballastless track bed structure of the high-speed railway according to claim 1, wherein a check valve structure is further provided in the channel of the output port.
7. The device for repairing the crack damage of the ballastless track bed structure of the high-speed railway according to claim 1, wherein an output pipe protruding from the bottom surface of the base is arranged at the lower part of the output port, the outer diameter of the output pipe is matched with the inner diameter of the grouting hole, and the output pipe is inserted into the grouting hole during grouting.
8. A method for repairing the crack damage of the ballastless track bed structure of the high-speed railway by using the device for repairing the crack damage of the ballastless track bed structure of the high-speed railway according to any one of claims 1 to 7 comprises the following steps:
step 1, placing a grouting opening into grout, lifting a grout pumping rod upwards to inject the grout into a barrel body of a grout storage barrel, and rotating a nut downwards to abut against the outer end face of a sealing cover to limit the extension of a spring; closing the ball valve on the base, aligning the output port with the grouting hole, and fixing the base on the outer edge of the grouting hole by using a bonding material; mounting the slip casting body on a base;
step 2, applying upward tension to the slurry pumping rod to offset the downward pressure applied to the piston pad by the spring; presetting grouting amount according to the length and the width of the crack, and upwards rotating the nut to the position of the preset grouting amount;
step 3, opening the ball valve on the base, canceling the upward pulling force applied to the slurry pumping rod, and moving the piston pad downwards under the action of the downward pressure of the spring so as to push slurry to be injected into the grouting hole from the output port until the nut abuts against the outer end face of the sealing cover;
step 4, observing the grouting condition until the grout overflow hole discharges grout, indicating that the seam is full, and closing a ball valve on the base;
and 5, detaching the grouting device body to the next working surface.
9. The method for repairing the crack damage of the ballastless track bed structure of the high-speed railway according to claim 8, wherein before the base is fixed to the outer edge of the grouting hole, the method further comprises the following steps:
step a, selecting grouting holes and slurry overflowing holes according to the positions and sizes of cracks;
b, cleaning the periphery of the crack to ensure clean working environment;
and c, sealing the surface of the crack except the grouting hole and the grout overflowing hole by using a sealing material.
10. The method for repairing the crack damage of the ballastless track bed structure of the high-speed railway according to claim 8, wherein after the grouter body is detached and the grout is cured, the base is recovered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110282969.2A CN113005833A (en) | 2021-03-16 | 2021-03-16 | Device and method for repairing structural crack damage of ballastless track bed of high-speed railway |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110282969.2A CN113005833A (en) | 2021-03-16 | 2021-03-16 | Device and method for repairing structural crack damage of ballastless track bed of high-speed railway |
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| CN113005833A true CN113005833A (en) | 2021-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110282969.2A Pending CN113005833A (en) | 2021-03-16 | 2021-03-16 | Device and method for repairing structural crack damage of ballastless track bed of high-speed railway |
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| CN2218224Y (en) * | 1994-11-18 | 1996-01-24 | 郑海衍 | Mortar filler |
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| CN2918636Y (en) * | 2006-07-14 | 2007-07-04 | 山东省建筑科学研究院 | Self-pressurized crack handler |
| CN201943367U (en) * | 2010-12-09 | 2011-08-24 | 中国建筑第七工程局有限公司 | Concrete distress squeegee device |
| CN203684723U (en) * | 2013-12-20 | 2014-07-02 | 杨山印 | Concrete crack repair device |
| CN109695356A (en) * | 2018-12-24 | 2019-04-30 | 邓英华 | A kind of cement mortar for constructional engineering joint filling device |
| CN210797221U (en) * | 2019-09-12 | 2020-06-19 | 青岛理工大学 | Self-pressing type crack repairing device |
| CN210918329U (en) * | 2019-09-11 | 2020-07-03 | 王宏宇 | Concrete structure crack repairing device |
| CN212642222U (en) * | 2020-03-13 | 2021-03-02 | 东莞市大乘建筑工程技术有限公司 | Structure for repairing and reinforcing concrete tiny cracks |
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2021
- 2021-03-16 CN CN202110282969.2A patent/CN113005833A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2218224Y (en) * | 1994-11-18 | 1996-01-24 | 郑海衍 | Mortar filler |
| KR20020074664A (en) * | 2001-03-21 | 2002-10-04 | 김천만 | Injector for grouting of concrete structure and construction method using it |
| CN2918636Y (en) * | 2006-07-14 | 2007-07-04 | 山东省建筑科学研究院 | Self-pressurized crack handler |
| CN201943367U (en) * | 2010-12-09 | 2011-08-24 | 中国建筑第七工程局有限公司 | Concrete distress squeegee device |
| CN203684723U (en) * | 2013-12-20 | 2014-07-02 | 杨山印 | Concrete crack repair device |
| CN109695356A (en) * | 2018-12-24 | 2019-04-30 | 邓英华 | A kind of cement mortar for constructional engineering joint filling device |
| CN210918329U (en) * | 2019-09-11 | 2020-07-03 | 王宏宇 | Concrete structure crack repairing device |
| CN210797221U (en) * | 2019-09-12 | 2020-06-19 | 青岛理工大学 | Self-pressing type crack repairing device |
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