CN114411611B - Cold dismantling and repairing method for track circuit insulating device - Google Patents
Cold dismantling and repairing method for track circuit insulating device Download PDFInfo
- Publication number
- CN114411611B CN114411611B CN202210206949.1A CN202210206949A CN114411611B CN 114411611 B CN114411611 B CN 114411611B CN 202210206949 A CN202210206949 A CN 202210206949A CN 114411611 B CN114411611 B CN 114411611B
- Authority
- CN
- China
- Prior art keywords
- clamping plate
- insulating clamping
- steel rail
- insulating
- grinding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000000034 method Methods 0.000 title claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 54
- 239000010959 steel Substances 0.000 claims abstract description 54
- 239000003292 glue Substances 0.000 claims abstract description 7
- 238000000926 separation method Methods 0.000 claims abstract description 4
- 238000005498 polishing Methods 0.000 claims description 32
- 238000004140 cleaning Methods 0.000 claims description 14
- 230000007246 mechanism Effects 0.000 claims description 14
- 230000008439 repair process Effects 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000009413 insulation Methods 0.000 abstract description 7
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H8/00—Removing undesirable matter from the permanent way of railways; Removing undesirable matter from tramway rails
- E01H8/10—Removing undesirable matter from rails, flange grooves, or the like railway parts, e.g. removing ice from contact rails, removing mud from flange grooves
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
- E01B29/32—Installing or removing track components, not covered by the preceding groups, e.g. sole-plates, rail anchors
Abstract
The invention relates to a cold dismantling and repairing method of a track circuit insulating device, which comprises the following steps: 1) Before the insulating clamping plate is installed, processing the connecting hole into an internal thread; 2) When the insulating clamping plate fails and needs to be disassembled, all the bolt groups are disassembled; 3) One end of the dismounting bolt is in threaded connection with the internal thread of the insulating clamping plate on one side, and the other end of the dismounting bolt extends out of the insulating clamping plate on the other side; 4) Hammering the extending end of the dismounting bolt by a large hammer; 5) According to the actual separation condition of the insulating clamping plate and the steel rail, selecting internal threads at proper positions to be in threaded connection with the dismounting bolts again for hammering; 6) Grinding the residual glue at the joint of the insulating clamping plate and the steel rail by adopting a grinding wheel until the surface is smooth; 7) And (3) adhering new insulating clamping plates to the original positions of the steel rails again, ensuring that the connecting holes correspond to each other, and adhering and compacting the insulating clamping plates and the steel rails by the bolt groups. The repairing method shortens the old disassembling time, improves the cementing insulation quality and reduces the quality potential safety hazard.
Description
Technical Field
The invention relates to a cold dismantling and repairing method of a track circuit insulating device, and belongs to the technical field of emergency maintenance operation of railway work.
Background
Seamless lines are commonly used in railway lines, cementing insulation is commonly used in track circuit insulation devices, and failure phenomenon occurs in the cementing insulation due to various reasons, so that emergency repair is needed. Because the existing driving equipment is required to apply for skylight repair, the skylight time has strict regulation, if the dismantling or polishing time is overlong, the quality of a newly glued insulating joint cannot be ensured in a skylight point, and potential safety hazards are left. At present, a method of heating a cementing insulating clamping plate by an air tank to disable the cementing adhesive and knocking and disassembling is mainly adopted for on-site disassembly, and a hand-held angle grinder is generally adopted for polishing residual adhesive and brush replacement for cleaning dust after disassembly. The heating and dismantling needs many field handling tools and the dismantling time is long. At present, no special machine is used for polishing the rail web of the steel rail, a manual hand-held angle polishing machine is used for polishing the rail web, the polishing efficiency is low, the polishing time is long, and the manual polishing quality is uncontrollable.
Disclosure of Invention
The invention aims to solve the technical problem of providing a cold dismantling repair method for a track circuit insulation device, which shortens the dismantling time, improves the cementing insulation quality and reduces the quality potential safety hazard.
In order to solve the problems, the specific technical scheme of the invention is as follows: the cold dismantling and repairing method of the track circuit insulating device is characterized by comprising the following steps of:
1) Before the insulating clamping plate is installed, processing the connecting hole into an internal thread, bonding the internal thread with the joint of the steel rail, and simultaneously connecting and fastening the connecting hole of the steel rail by adopting a bolt group;
2) When the insulating clamping plate fails and needs to be disassembled, all the bolt groups are disassembled, but the insulating clamping plate is still adhered to the two side surfaces of the steel rail;
3) One end of the dismounting bolt is in threaded connection with the internal thread of the insulating clamping plate on one side, and the other end of the dismounting bolt extends out of the insulating clamping plate on the other side;
4) Hammering the extending end of the dismounting bolt by using a large hammer, and bearing the stress of an insulating clamping plate in threaded connection with the dismounting bolt, so that the insulating clamping plate is separated from the steel rail under the action of external force;
5) According to the actual separation condition of the insulating clamping plate and the steel rail, the internal thread at a proper position is selected to be in threaded connection with the dismounting bolt again, and hammering is performed again, so that the insulating clamping plate is separated from the steel rail more until the insulating clamping plate is completely separated from the steel rail;
6) Grinding the residual glue at the joint of the insulating clamping plate and the steel rail by adopting a grinding wheel until the surface is smooth;
7) And (3) adhering new insulating clamping plates to the original positions of the steel rails again, ensuring that the connecting holes correspond to each other, and adhering and compacting the insulating clamping plates and the steel rails by the bolt groups.
The protruding end of the disassembly bolt in step 4) is screwed into the nut, and the hammer hammers the outer end face of the nut.
The internal thread in the step 1) is only arranged in the connecting holes at the two ends of the insulating clamping plate.
The internal threads in the step 1) are arranged in the connecting holes of the insulating clamping plates at intervals.
The grinding wheel in the step 6) adopts a cylindrical curved surface revolving body, and the appearance of the grinding wheel is consistent with the appearance of the side surface of the steel rail.
The grinding machine in the cold dismantling repair method is adopted, two rail surface running wheels are arranged on the bottom surface of the frame body, and the rail surface running wheels are in rolling fit with the upper surface of a single steel rail; two grinding wheels are arranged on the bottom surface of the frame body, the grinding wheels are symmetrically arranged on two sides of the steel rail, and the outer circular curved surface of the grinding wheels is consistent with the appearance of the grinding surface of the steel rail; the top of the polishing grinding wheel is connected with the frame body through a connecting frame, a power driving mechanism is arranged on the frame body, and an output shaft of the power driving mechanism is connected with a rotating shaft of the polishing grinding wheel; the connecting frame is provided with an auxiliary moving device, and the auxiliary moving device drives the grinding wheel and the power driving mechanism to move in a direction away from the steel rail.
The auxiliary moving device structure comprises a working push rod, wherein the working push rod is of an L-shaped structure, the front end of the working push rod is connected with the front end of the frame body through a rotating shaft, the rear end of the working push rod is the same as the working height, and the connecting frame is positioned in the middle of the working push rod; an avoidance area is arranged on the frame body, and the power driving mechanism moves in the avoidance area.
The connecting frame on swing joint dissect smooth cleaning roller, dissect smooth cleaning roller and the grinding wheel setting around the advancing direction of support body, set up the sprocket in the pivot of grinding the grinding wheel coaxially, dissect also coaxially in the pivot of smooth cleaning roller and set up the sprocket, the sprocket between grinding wheel and the smooth cleaning roller passes through chain drive and is connected.
The cold dismantling and repairing method of the track circuit insulating device adopts the steps and has the following advantages:
1. internal threads are processed in the connecting holes on the insulating clamping plates, so that the stress structure of the insulating clamping plates is not changed, the strength of the insulating clamping plates is not influenced, the service life of the insulating clamping plates is not shortened, and any safety risk is not increased;
2. when the steel rail is dismounted, the dismounting bolts are hammered in the horizontal direction perpendicular to the steel rail and the insulating clamping plate, and the hammering points are protruded and accurate, so that the steel rail and the insulating clamping plate are not damaged;
3. the old construction operation is simple and convenient. The invention only needs one dismantling bolt, does not need any other tool and machine tool, and can complete the dismantling by utilizing the existing necessary tool, namely a large hammer;
4. the old construction operation time is short, the efficiency is high, the operation procedures are reduced, and the skylight time is saved;
5. the residual glue can be polished on two sides at one time, so that the polishing efficiency is improved and the polishing time is shortened;
6. the time of the skylight is saved by dismantling the old insulating clamping plate and polishing the residual glue, the quality of the newly glued insulating joint is ensured in time, and the safety failure risk of the new gluing equipment is further reduced.
Drawings
Fig. 1 is a front view of a disassembled state of a track circuit insulating device for facilitating cold disassembly.
Fig. 2 is a cross-sectional view A-A of fig. 1.
Fig. 3 is a perspective view of the working state of the sander.
Fig. 4 is a perspective view of the grinder in a non-operating state.
Detailed Description
A cold dismantling repair method of a track circuit insulation device comprises the following steps:
1) Before the insulating clamping plate 2 is installed, processing the connecting hole into an internal thread 3, bonding with the joint of the steel rail, and simultaneously adopting a bolt group to connect and fasten with the connecting hole of the steel rail;
2) When the insulating clamping plate fails and needs to be disassembled, all the bolt groups are disassembled, but the insulating clamping plate 2 is still adhered to the two side surfaces of the steel rail 1;
3) As shown in fig. 1 and 2, one end of a dismounting bolt 5 is in threaded connection with the internal thread 3 of the insulating clamping plate 2 on one side, and the other end extends out of the insulating clamping plate 2 on the other side;
4) Hammering the extending end of the dismounting bolt 5 by using a large hammer, and separating the insulating clamping plate 2 in threaded connection with the dismounting bolt 5 from the steel rail 1 under the action of external force;
5) According to the actual separation condition of the insulating clamping plate 2 and the steel rail 1, the internal thread 3 at a proper position is selected to be in threaded connection with the dismounting bolt 5 again, and hammering is performed again, so that the insulating clamping plate 2 is separated from the steel rail 1 more until the insulating clamping plate is completely separated;
6) Grinding the residual glue at the bonding part of the insulating clamping plate 2 and the steel rail 1 by adopting a grinding wheel until the surface is smooth;
7) And (3) adhering a new insulating clamping plate 2 to the original position of the steel rail 1 again, ensuring that each connecting hole corresponds to each other, and adhering and compacting the insulating clamping plate 2 and the steel rail 1 by each bolt group.
In order to increase the stress area of the disassembly bolt 5, the disassembly bolt 5 is prevented from being deformed, the protruding end of the disassembly bolt 5 in step 4) is screwed to the nut 8, and the hammer hammers the outer end face of the nut 8.
In order to change the structure of the insulating clamping plate 2 to a minimum, the internal thread 3 in step 1) is provided only in the connection holes at both ends of the insulating clamping plate 2. When the two ends of the insulating clamping plate 2 are separated from the steel rail parts by external force, the whole dismantling can be carried out by adopting other lever principles. On the premise of not counting minor changes of the structure of the insulating clamping plate 2, the internal threads 3 of the insulating clamping plate 2 are arranged in the connecting holes of the insulating clamping plate 2 at intervals.
In order to improve the polishing speed of the residual glue, the number of the grinding wheels is two, the grinding wheels are symmetrically arranged at the bottom of the frame body, the frame body is in rolling fit with the steel rail through the rail surface running wheels, the grinding wheels adopt cylindrical curved surface revolution bodies, the appearance of the grinding wheels is consistent with the appearance of the side surface of the steel rail 1, the polishing speed is improved, the polishing surface is smooth, and the bonding quality of a follow-up new insulating clamping plate 2 is improved.
As shown in fig. 3 and fig. 4, the polishing machine in the cold dismantling repairing method is adopted, and the concrete structure is as follows: two rail surface running wheels 12 are arranged on the bottom surface of the frame body 11, and the rail surface running wheels 12 are in rolling fit with the upper surface of the single steel rail 1; two grinding wheels 13 are arranged on the bottom surface of the frame 11, the grinding wheels 13 are symmetrically arranged on two sides of the steel rail 1, and the outer circular curved surface of the grinding wheels 13 is consistent with the appearance of the grinding surface of the steel rail 1; the top of the grinding wheel 13 is connected with the frame 11 through a connecting frame 14, a power driving mechanism 15 is arranged on the frame 11, an output shaft of the power driving mechanism 15 is connected with a rotating shaft of the grinding wheel 13, and the power driving mechanism 5 can adopt a motor or a gasoline engine and a diesel engine according to actual working conditions; the connecting frame 14 is provided with an auxiliary moving device which drives the grinding wheel 13 and the power driving mechanism 15 to move in a direction away from the steel rail 1.
The connecting frame 14 is movably connected with a polishing cleaning roller 17, the polishing cleaning roller 17 and the polishing grinding wheel 13 are arranged front and back along the advancing direction of the frame body 11, a chain wheel is coaxially arranged on the rotating shaft of the polishing grinding wheel 13, a chain wheel is coaxially arranged on the rotating shaft of the polishing cleaning roller 17, and the chain wheel between the polishing grinding wheel 13 and the polishing cleaning roller 17 is connected through chain transmission.
The auxiliary moving device structure comprises a working push rod 16, wherein the working push rod 16 is of an L-shaped structure, the front end of the working push rod 16 is connected with the front end of the frame 11 through a rotating shaft, the rear end of the working push rod 16 is the same as the working height, and the connecting frame 14 is positioned in the middle of the working push rod 16; an avoidance area is arranged on the frame 11, and the power driving mechanism 15 moves in the avoidance area. In this embodiment, a slide way is provided on the bottom plate of the frame 11, and openings for moving out the power driving mechanism 5 are provided on both sides of the frame 11. The auxiliary moving device is convenient for clamping the grinding wheel 3 on two sides of the steel rail 1 when the grinding machine is in a tool state, and the end parts of the working push rods 6 on two sides are close to the frame 11 when the grinding machine is in a working state, so that the grinding wheel 13 is in a clamping state. For convenience of work, an elastic device may be used between the frame 11 and the working push rod 16 to ensure that the two grinding wheels 13 are clamped.
Claims (6)
1. The cold dismantling and repairing method of the track circuit insulating device is characterized by comprising the following steps of:
1) before the insulating clamping plate (2) is installed, processing the connecting hole into an internal thread (3), bonding with the joint of the steel rail, and simultaneously adopting a bolt group to connect and fasten the connecting hole of the steel rail;
2) When the insulating clamping plate fails and needs to be disassembled, all the bolt groups are disassembled, but the insulating clamping plate (2) is still adhered to the two side surfaces of the steel rail (1);
3) One end of the dismounting bolt (5) is in threaded connection with the internal thread (3) of the insulating clamping plate (2) on one side, and the other end extends out of the insulating clamping plate (2) on the other side;
4) Hammering the extending end of the dismounting bolt (5) by a large hammer, and bearing the stress of an insulating clamping plate (2) in threaded connection with the dismounting bolt (5) to separate from the steel rail (1) under the action of external force;
5) According to the actual separation condition of the insulating clamping plate (2) and the steel rail (1), the internal thread (3) at a proper position is selected to be in threaded connection with the dismounting bolt (5) again, and hammering is performed again, so that the insulating clamping plate (2) is separated from the steel rail (1) more until the insulating clamping plate is completely separated;
6) Grinding the residual glue at the bonding part of the insulating clamping plate (2) and the steel rail (1) by adopting a grinding wheel of a grinding machine until the surface is smooth;
7) And (3) bonding new insulating clamping plates (2) at the original positions of the steel rails (1) again, so that the positions of all connecting holes are guaranteed to correspond, and the insulating clamping plates (2) are bonded and pressed with the steel rails (1) by the bolt groups.
2. A method of cold dismantling and repairing a track circuit insulating device as claimed in claim 1 and further comprising: the protruding end of the dismounting bolt (5) in the step 4) is connected with a nut (8) through threads, and a hammer hammers the outer end face of the nut (8).
3. A method of cold dismantling and repairing a track circuit insulating device as claimed in claim 1 and further comprising: the internal thread (3) in the step 1) is only arranged in the connecting holes at the two ends of the insulating clamping plate (2).
4. A method of cold dismantling and repairing a track circuit insulating device as claimed in claim 1 and further comprising: the internal threads (3) in the step 1) are arranged in the connecting holes of the insulating clamping plates (2) at intervals.
5. A method of cold dismantling and repairing a track circuit insulating device as claimed in claim 1 and further comprising: the grinding wheel in the step 6) adopts a cylindrical curved surface revolving body, and the appearance of the grinding wheel is consistent with the appearance of the side surface of the steel rail (1).
6. A sander for use in a cold demolition repair method as set forth in claim 1, wherein: the structure of the sander shown is: two rail surface running wheels (12) are arranged on the bottom surface of the frame body (11), and the rail surface running wheels (12) are in rolling fit with the upper surface of a single steel rail (1); two grinding wheels (13) are arranged on the bottom surface of the frame body (11), the grinding wheels (13) are symmetrically arranged on two sides of the steel rail (1), and the outer circular curved surface of the grinding wheels (13) is consistent with the appearance of the grinding surface of the steel rail (1); the top of the grinding wheel (13) is connected with the frame body (11) through a connecting frame (14), a power driving mechanism (15) is arranged on the frame body (11), and an output shaft of the power driving mechanism (15) is connected with a rotating shaft of the grinding wheel (13); an auxiliary moving device is arranged on the connecting frame (14), and drives the grinding wheel (13) and the power driving mechanism (15) to move in a direction away from the steel rail (1);
the auxiliary moving device structure comprises a working push rod (16), wherein the working push rod (16) is of an L-shaped structure, the front end of the working push rod (16) is connected with the front end of the frame body (11) through a rotating shaft, the height of the rear end of the working push rod (16) is the same as the working height, and the connecting frame (14) is positioned in the middle of the working push rod (16); an avoidance area is arranged on the frame body (11), and a power driving mechanism (15) moves in the avoidance area;
the polishing and cleaning device is characterized in that a polishing and cleaning roller (17) is movably connected to the connecting frame (14), the polishing and cleaning roller (17) and the polishing grinding wheel (13) are arranged front and back along the advancing direction of the frame body (11), a chain wheel is coaxially arranged on the rotating shaft of the polishing grinding wheel (13), a chain wheel is coaxially arranged on the rotating shaft of the polishing and cleaning roller (17), and the chain wheel between the polishing grinding wheel (13) and the polishing and cleaning roller (17) is connected through chain transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210206949.1A CN114411611B (en) | 2022-03-04 | 2022-03-04 | Cold dismantling and repairing method for track circuit insulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210206949.1A CN114411611B (en) | 2022-03-04 | 2022-03-04 | Cold dismantling and repairing method for track circuit insulating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114411611A CN114411611A (en) | 2022-04-29 |
| CN114411611B true CN114411611B (en) | 2024-03-08 |
Family
ID=81263851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210206949.1A Active CN114411611B (en) | 2022-03-04 | 2022-03-04 | Cold dismantling and repairing method for track circuit insulating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114411611B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207633146U (en) * | 2017-07-10 | 2018-07-20 | 中国铁道科学研究院铁道建筑研究所 | One kind can administrative region of a city railway double-layer vibration damping fastener easy to disassemble |
| CN108857367A (en) * | 2018-08-23 | 2018-11-23 | 江南造船(集团)有限责任公司 | Marine shafting adjustment ring Bolt dismantling tooling and method for dismounting |
| CN112342847A (en) * | 2019-05-05 | 2021-02-09 | 丽水市莲都区京承机械厂 | Railway auxiliary cold dismantling equipment |
| CN212533546U (en) * | 2020-03-04 | 2021-02-12 | 沈阳北兴铁路器材制造有限公司 | High-strength insulating bolt mounting structure for railway turnout |
| CN216999513U (en) * | 2022-03-04 | 2022-07-19 | 孙晓伟 | Polisher of track circuit insulating device dismouting process |
-
2022
- 2022-03-04 CN CN202210206949.1A patent/CN114411611B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207633146U (en) * | 2017-07-10 | 2018-07-20 | 中国铁道科学研究院铁道建筑研究所 | One kind can administrative region of a city railway double-layer vibration damping fastener easy to disassemble |
| CN108857367A (en) * | 2018-08-23 | 2018-11-23 | 江南造船(集团)有限责任公司 | Marine shafting adjustment ring Bolt dismantling tooling and method for dismounting |
| CN112342847A (en) * | 2019-05-05 | 2021-02-09 | 丽水市莲都区京承机械厂 | Railway auxiliary cold dismantling equipment |
| CN212533546U (en) * | 2020-03-04 | 2021-02-12 | 沈阳北兴铁路器材制造有限公司 | High-strength insulating bolt mounting structure for railway turnout |
| CN216999513U (en) * | 2022-03-04 | 2022-07-19 | 孙晓伟 | Polisher of track circuit insulating device dismouting process |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114411611A (en) | 2022-04-29 |
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