CN114941259A - Steel rail fixing device for stress relieving operation and using method - Google Patents
Steel rail fixing device for stress relieving operation and using method Download PDFInfo
- Publication number
- CN114941259A CN114941259A CN202210619568.6A CN202210619568A CN114941259A CN 114941259 A CN114941259 A CN 114941259A CN 202210619568 A CN202210619568 A CN 202210619568A CN 114941259 A CN114941259 A CN 114941259A
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- leaf
- fastener
- upper movable
- steel rail
- stress relieving
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 54
- 239000010959 steel Substances 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title abstract description 10
- 239000002184 metal Substances 0.000 claims description 21
- 229910052751 metal Inorganic materials 0.000 claims description 21
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 239000006185 dispersion Substances 0.000 abstract description 4
- 238000011089 mechanical engineering Methods 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000009466 transformation Effects 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B9/00—Fastening rails on sleepers, or the like
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Connection Of Plates (AREA)
- Clamps And Clips (AREA)
Abstract
The invention relates to the technical field of mechanical engineering, in particular to a steel rail fixing device in stress dispersion operation of urban rail transit engineering and a using method thereof, wherein the steel rail fixing device comprises: the fastener connecting plate; the lower movable leaf is connected with the fastener connecting plate; the upper movable leaf is connected with the lower movable leaf through a leaf connecting device; rubber tyer, fixed connection on last activity leaf, its advantage lies in: the whole equipment is fixed by the steel rail fastener without additional auxiliary equipment. The operation is convenient, convenient and reliable; the whole size of equipment is less, portable and arrange in a large number.
Description
Technical Field
The invention relates to the technical field of mechanical engineering, in particular to a steel rail fixing device in stress relieving operation of urban rail transit engineering and a using method thereof.
Background
After the seamless steel rail is locked, the steel rail can not freely stretch out and draw back along with the temperature change. When the real-time rail temperature of the steel rail is different from the locking rail temperature, temperature stress which is increased along with the increase of the temperature difference can be generated in the steel rail. Therefore, in order to reduce the internal temperature stress of the rail after the seamless track is laid, the stress dispersion and locking control operation of the rail is required.
At present, the most common methods for diffusing the internal temperature stress of the steel rail are a roller diffusion method and a steel rail stretcher and roller diffusion method. In the working process of the two methods, the locking state of the steel rail fastener is required to be released, and an iron roller is arranged at the lower part of the steel rail at a fixed distance. In the stress relief process, the steel rail has no other constraint. The steel rail rollover accident is very easy to occur during the operation with small curve radius.
Disclosure of Invention
The invention aims to: aiming at the problem that the steel rail is lack of a restraint device in the stress dispersion operation of the urban rail transit seamless line, the lightweight and miniaturized steel rail fixing and rollover prevention device is designed. Therefore, the steel rail is fixedly restrained to move in the direction perpendicular to the line direction through a simple machine tool, the probability of dangerous accidents such as steel rail rollover in the operation is reduced, and the safety in the whole operation process is improved.
Design a stress relaxation operation rail fixing device, include: the fastener connecting plate; the lower movable leaf is connected with the fastener connecting plate; the upper movable leaf is connected with the lower movable leaf through a leaf connecting device; the rubber wheel is fixedly connected to the upper movable leaf.
The invention also has the following preferable technical scheme:
1. the fastener connecting plate is bent into an L shape by a steel plate, holes are formed in the fastener connecting plate, the fastener connecting plate is fixed on a steel rail fastener through a steel rail fastener connecting bolt, and is connected with the lower loose leaf piece through welding, and the connecting strength is improved through the reinforcing ribs.
2. The leaf connecting device consists of a fixed block, a long metal rod and a spring, wherein the fixed block is arranged in the upper movable leaf connecting empty groove and has a hollow cylindrical structure as a whole; the long metal rod is arranged in the fixed block, and two ends of the long metal rod are provided with notches for connecting the spring; the leaf connecting device realizes synchronous rotation of the long metal rod and the upper movable leaf and realizes the leaf resetting function through the spring.
3. The lower movable leaf is a metal processing member and is connected with the upper movable leaf through a leaf connecting device, and a hole is formed in the connecting side and used for fixing a spring arranged in the leaf connecting device.
4. The upper movable blade is a metal processing component and is connected with the lower movable blade through a blade connecting device, and the upper movable blade is also provided with a cylindrical connecting hole for connecting a rubber wheel.
5. The rubber wheel is a cylindrical rubber small wheel, is fixed on the upper movable leaf through a bolt and can freely slide along the line direction.
Compared with the prior art, the invention has the advantages that:
1. the whole equipment is fixed by the steel rail fastener without additional auxiliary equipment. The operation is convenient, convenient and reliable;
2. the whole size of the equipment is small, and the equipment is convenient to carry and arrange in a large quantity;
3. only the steel rail is restricted from moving in the direction vertical to the line, and no additional influence is generated on the stress dispersion operation.
Drawings
FIG. 1 is an isometric view of a rail attachment assembly for stress relieving operations in accordance with the present invention;
FIG. 2 is a front view of a rail fastening assembly for stress relieving operations in accordance with the present invention;
FIG. 3 is a right side view of the rail fastening assembly for stress relieving operations in accordance with the present invention;
FIG. 4 is a front view of the upper movable sheet and sheet attachment apparatus of the present invention;
FIG. 5 is a schematic view of a top movable leaf and leaf connecting device according to the present invention;
FIG. 6 is a right side view of the upper movable leaf and leaf attachment apparatus of the present invention;
FIG. 7 is a front view of an elongated metal rod of the present invention;
FIG. 8 is a right side view of the elongated metal pole of the present invention;
FIG. 9 is an isometric view of a stress relieving rail attachment of the present invention during operation;
FIG. 10 is an elevational view of the stress relieving rail anchor of the present invention in operation;
FIG. 11 is a right side view of the stress relieving rail fastening assembly of the present invention in operation;
FIG. 12 is a top plan view of the stress relieving rail fastening assembly of the present invention in operation;
in the figure: 1-1 fastener connecting plate 1-2 upper movable leaf 1-3 lower movable leaf 1-4 rubber wheel 1-2 upper movable leaf 2-1 fixed block 2-2 long metal rod 2-3 spring 4-1 steel rail fastener 4-2 stress relieving operation steel rail fixing device 4-3 steel rail fastener fixing bolt 4-4 steel rail.
Detailed Description
Example 1: structure assembly of steel rail fixing device for stress relief operation
The stress relieving operation steel rail fixing device adopts an assembled structure and mainly comprises a fastener connecting plate (1-1), an upper movable blade (1-2), a lower movable blade (1-3), a blade connecting device and a rubber wheel (1-4). When the device works, the whole device is fixed on the integral steel rail fastener (4-1) through the existing fixing bolt (4-3) of the steel rail fastener (4-1), a constructor is placed at the lower part of the rail web of the steel rail through the upper movable leaf, and the spring (2-3) in the leaf connecting device provides pressure to restrain the movement of the steel rail perpendicular to the line direction. Meanwhile, no constraint is generated on the direction of the steel rail parallel to the line, and a schematic diagram in working is shown in figure 4.
The fastener connecting plate (1-1) is bent into an L shape by a steel plate, holes are arranged on the fastener connecting plate, and the fastener connecting plate can be fixed on a steel rail fastener (4-1) through a steel rail fastener fixing bolt (4-3). The lower loose leaf sheets (1-3) are connected by welding and the connection strength is improved by reinforcing ribs.
Wherein the blade connecting device consists of a fixed block (2-1), a long metal rod (2-2) and a spring (2-3). The fixed block (2-1) is arranged in the connecting empty groove of the upper movable leaf (1-2), and the whole body is of a hollow cylindrical structure; the long metal rod (2-2) is arranged in the fixed block (2-1), and two ends of the long metal rod are provided with notches for connecting the springs (2-3); the other end of the spring (2-3) is connected with a hole (1-3) in the lower movable leaf shell; the integral blade connecting device can realize synchronous rotation of the long metal rod (2-2) and the upper movable blade (1-2), and realize the blade resetting function through the spring (2-3). As shown in fig. 2.
Wherein the lower movable leaf (1-3) is a metal processing component and is connected with the upper movable leaf (1-2) through a leaf connecting device. The connecting side is provided with a hole for fixing a spring (2-3) arranged in the leaf connecting device. As shown in fig. 1.
Wherein the upper movable blade (1-2) is a metal processing component and is connected with the lower movable blade (1-3) through a blade connecting device. Meanwhile, a cylindrical connecting hole is reserved for connecting the rubber wheel. As shown in fig. 2.
The rubber wheels (1-4) are cylindrical rubber wheels, are fixed on the upper movable leaves (1-2) through bolts and can freely slide along the direction of a line. The rubber wheels with different sizes can be selected for different steel rails with different sizes.
Example 2: use method of fixing device for transformation of subway bed supporting block empty crane
In the seamless track stress relieving operation, the seamless track steel rail fastener is dismantled, and after the steel rail jacking and the roller placing operation, the subway bed supporting block air-suspension transformation fixing device is fixed on a steel rail fastener iron base plate through a steel rail fastener fixing bolt (4-3). When reinforcing the steel rail, an operator firstly replaces the rubber wheels (1-4) with proper sizes according to the type of the seamless track steel rail. Then the upper movable leaf (1-2) and the lower movable leaf (1-3) are broken off, the upper movable leaf (1-2) is buckled to the lower side of the rail web of the steel rail, and the contact surface of the rubber wheel (1-4) and the steel rail (4-4) is ensured to be closely attached. Due to the spring (2-3) in the leaf connecting device, the upper movable leaf (1-2) continuously applies downward pressure to the steel rail (4-4) to restrain the steel rail from displacing in the direction vertical to the line in the stress relieving operation. After the operation is finished, an operator removes the subway bed supporting block empty crane transformation fixing device in a mode of removing the steel rail fastener fixing bolt (4-3).
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be within the technical scope of the present invention, and the technical solutions and novel concepts according to the present invention should be covered by the scope of the present invention.
Claims (6)
1. The utility model provides a stress relieving operation rail fixing device which characterized in that includes:
a fastener connecting plate;
the lower movable leaf is connected with the fastener connecting plate;
the upper movable leaf is connected with the lower movable leaf through a leaf connecting device;
the rubber wheel is fixedly connected to the upper movable leaf.
2. A stress relieving work rail fixing device according to claim 1, wherein: the fastener connecting plate is bent into an L shape by a steel plate, holes are formed in the fastener connecting plate, the fastener connecting plate is fixed on a steel rail fastener through a steel rail fastener connecting bolt, and is connected with the lower loose leaf piece in a welding mode, and the connecting strength is improved through reinforcing ribs.
3. A stress relieving work rail fixing device according to claim 1, wherein: the blade connecting device consists of a fixed block, a long metal rod and a spring, wherein the fixed block is arranged in the upper movable blade connecting empty groove and has a hollow cylindrical structure as a whole; the long metal rod is arranged in the fixed block, and two ends of the long metal rod are provided with notches for connecting the spring; the leaf connecting device realizes synchronous rotation of the long metal rod and the upper movable leaf and realizes the leaf resetting function through the spring.
4. A stress relieving work rail attachment as claimed in claim 3, wherein: the lower movable blade is a metal processing member and is connected with the upper movable blade through a blade connecting device, and a hole is formed in the connecting side and used for fixing a spring arranged in the blade connecting device.
5. A stress relieving work rail fixing device according to claim 3, wherein: the upper movable blade is a metal processing component and is connected with the lower movable blade through a blade connecting device, and the upper movable blade is also provided with a cylindrical connecting hole for connecting a rubber wheel.
6. A stress relieving work rail fixing device according to claim 1 or 5, wherein: the rubber wheel is a cylindrical rubber small wheel, is fixed on the upper movable leaf through a bolt and can freely slide along the line direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210619568.6A CN114941259B (en) | 2022-06-02 | 2022-06-02 | Rail fixing device for stress relief operation and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210619568.6A CN114941259B (en) | 2022-06-02 | 2022-06-02 | Rail fixing device for stress relief operation and use method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114941259A true CN114941259A (en) | 2022-08-26 |
| CN114941259B CN114941259B (en) | 2024-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210619568.6A Active CN114941259B (en) | 2022-06-02 | 2022-06-02 | Rail fixing device for stress relief operation and use method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114941259B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2122216U (en) * | 1992-04-22 | 1992-11-18 | 范正猛 | Hinge of spring door |
| CN102359036A (en) * | 2011-11-09 | 2012-02-22 | 洛阳双瑞橡塑科技有限公司 | Chute-mounted suspended steel rail vibration reduction fastener |
| CN202220317U (en) * | 2011-08-05 | 2012-05-16 | 中铁十四局集团有限公司 | Device for preventing rail from turning on side |
| CN202519550U (en) * | 2012-03-30 | 2012-11-07 | 武汉利德测控技术股份有限公司 | Rail stress diffusing device |
| CN203755101U (en) * | 2014-02-26 | 2014-08-06 | 中铁十局集团有限公司 | Locating device for laying ballastless track |
| CN204803694U (en) * | 2015-07-10 | 2015-11-25 | 无锡商业职业技术学院 | A auxiliary fixture for rail tensor |
| KR101666660B1 (en) * | 2015-12-30 | 2016-10-14 | 선문대학교 산학협력단 | Rail surface modification apparatus for improving surface hardness and residual compressive stress, and reducing noise and vibrations and method for improving fatigue wear characteristics, and reducing noise and vibrations of rails using thereof |
| CN209779354U (en) * | 2017-12-28 | 2019-12-13 | 洛阳双瑞橡塑科技有限公司 | Floating rail fastener structure |
| CN210856820U (en) * | 2019-10-11 | 2020-06-26 | 中国铁路南昌局集团有限公司鹰潭工务段 | Glue-separating device for railway glue-jointed insulating joint |
| CN211397085U (en) * | 2019-07-11 | 2020-09-01 | 杭州巨星科技股份有限公司 | Adjustable hinge |
| CN111663380A (en) * | 2020-05-28 | 2020-09-15 | 中铁上海工程局集团有限公司 | Fixing device for transformation of subway bed supporting block empty crane and using method |
| CN111851174A (en) * | 2020-06-29 | 2020-10-30 | 中铁上海工程局集团有限公司 | Subway supporting block short sleeper rail bottom slope transfinite modification fixing device and using method |
| CN215289515U (en) * | 2021-07-08 | 2021-12-24 | 哈尔滨铁路工业集团有限公司 | Long rail anti-overturning device |
-
2022
- 2022-06-02 CN CN202210619568.6A patent/CN114941259B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2122216U (en) * | 1992-04-22 | 1992-11-18 | 范正猛 | Hinge of spring door |
| CN202220317U (en) * | 2011-08-05 | 2012-05-16 | 中铁十四局集团有限公司 | Device for preventing rail from turning on side |
| CN102359036A (en) * | 2011-11-09 | 2012-02-22 | 洛阳双瑞橡塑科技有限公司 | Chute-mounted suspended steel rail vibration reduction fastener |
| CN202519550U (en) * | 2012-03-30 | 2012-11-07 | 武汉利德测控技术股份有限公司 | Rail stress diffusing device |
| CN203755101U (en) * | 2014-02-26 | 2014-08-06 | 中铁十局集团有限公司 | Locating device for laying ballastless track |
| CN204803694U (en) * | 2015-07-10 | 2015-11-25 | 无锡商业职业技术学院 | A auxiliary fixture for rail tensor |
| KR101666660B1 (en) * | 2015-12-30 | 2016-10-14 | 선문대학교 산학협력단 | Rail surface modification apparatus for improving surface hardness and residual compressive stress, and reducing noise and vibrations and method for improving fatigue wear characteristics, and reducing noise and vibrations of rails using thereof |
| CN209779354U (en) * | 2017-12-28 | 2019-12-13 | 洛阳双瑞橡塑科技有限公司 | Floating rail fastener structure |
| CN211397085U (en) * | 2019-07-11 | 2020-09-01 | 杭州巨星科技股份有限公司 | Adjustable hinge |
| CN210856820U (en) * | 2019-10-11 | 2020-06-26 | 中国铁路南昌局集团有限公司鹰潭工务段 | Glue-separating device for railway glue-jointed insulating joint |
| CN111663380A (en) * | 2020-05-28 | 2020-09-15 | 中铁上海工程局集团有限公司 | Fixing device for transformation of subway bed supporting block empty crane and using method |
| CN111851174A (en) * | 2020-06-29 | 2020-10-30 | 中铁上海工程局集团有限公司 | Subway supporting block short sleeper rail bottom slope transfinite modification fixing device and using method |
| CN215289515U (en) * | 2021-07-08 | 2021-12-24 | 哈尔滨铁路工业集团有限公司 | Long rail anti-overturning device |
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| Publication number | Publication date |
|---|---|
| CN114941259B (en) | 2024-05-28 |
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