CN220520976U - Bainite steel combined frog point rear rail breaking and reinforcing device - Google Patents
Bainite steel combined frog point rear rail breaking and reinforcing device Download PDFInfo
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- CN220520976U CN220520976U CN202321955028.1U CN202321955028U CN220520976U CN 220520976 U CN220520976 U CN 220520976U CN 202321955028 U CN202321955028 U CN 202321955028U CN 220520976 U CN220520976 U CN 220520976U
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- rail
- reinforcing
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- screw
- break
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- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 99
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 15
- 239000010959 steel Substances 0.000 title claims abstract description 15
- 229910001563 bainite Inorganic materials 0.000 title description 2
- 230000002787 reinforcement Effects 0.000 claims abstract description 48
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 56
- 229910052742 iron Inorganic materials 0.000 claims description 28
- 238000007789 sealing Methods 0.000 claims description 4
- 125000006850 spacer group Chemical group 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model belongs to the technical field of railway steel rail fracture processing, and solves the problem of rapid and firm reinforcement of a broken position of a rear rail of a frog point; the external fixing part is connected between wing rails at two sides of the break part; the inner reinforcement part comprises a left inner reinforcement part and a right inner reinforcement part which are respectively arranged between the two sides of the heart rail at the break and the inner sides of the corresponding flank rails, and each inner reinforcement part comprises an inner reinforcement plate, a tension screw and an inner reinforcement cushion block; the inner reinforcing plate is contacted with the side face of the rail web of the corresponding side wing rail, a tensioning screw is arranged in each threaded hole on the inner reinforcing plate, and an inner reinforcing pad is pressed between the screw head of each tensioning screw and the corresponding side face of the core rail; the wing rail or the acting edge of the wing rail and the core rail at the break part are in straight and smooth states through the inner reinforcing part and the outer reinforcing part. The device is convenient to operate, can save reinforcing time and has better reinforcing strength.
Description
Technical Field
The utility model belongs to the technical field of railway steel rail fracture processing, and particularly relates to a bainitic steel combined frog point rear rail fracture reinforcing device.
Background
The bainitic steel frog is a frog assembled by alloy materials and steel rail materials. After long-term listing and rolling, the wing rail core rail can have the problems of vertical abrasion, block falling and the like, and can be broken when serious, so that the quality of equipment and the driving safety can be directly influenced. The direct hazard of rail member breakage is the potential for derailment of the train. It is therefore necessary to replace broken or worn frog and to reinforce the rail by temporary emergency reinforcement means before it can be replaced.
The existing rail reinforcement mode comprises an outer reinforcement mode and an inner reinforcement mode. The external reinforcement mode is to apply inward clamping force to the wing rails at two sides for reinforcement. The internal reinforcement is performed by applying a jacking force between the side of the head rail and the wing rail. Such as application number 201420355274.8, entitled: the emergency processing device for breaking the movable point rail of the railway turnout provides a reinforcing device between the point rail and the wing rail on the far side. The reinforcing device is used for reinforcing a single side, the reinforcing structure is slightly complex, and certain inconvenience exists in operation.
In order to meet the requirement of temporary reinforcement of the broken track after the frog points, a good reinforcement effect is achieved, the quick installation and disassembly of the reinforcement device are facilitated, and a novel combined reinforcement device is designed in advance.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide the bainitic steel combined frog point rear rail breaking and reinforcing device which is convenient to operate, saves reinforcing time and has better reinforcing strength.
The above object of the present utility model is achieved by the following technical solutions:
a bainitic steel combined frog point rear rail breaking and reinforcing device comprises an inner reinforcing part and an outer reinforcing part; the external fixing part is connected between the wing rails at the two sides of the broken part, and inward clamping force is applied to the wing rails at the two sides; the inner reinforcement part comprises a left inner reinforcement part and a right inner reinforcement part which are respectively arranged between two sides of the heart rail at the break and the inner sides of the corresponding flank rails, and an outward reinforcement force is applied to the flank rails at the break; the left inner reinforcement part and the right inner reinforcement part are composed of an inner reinforcement plate, a tensioning screw and an inner reinforcement cushion block; the inner side reinforcing plate is contacted with the side face of the rail web of the corresponding side wing rail, at least two threaded holes are formed in the inner side reinforcing plate along the rail direction, a tensioning screw is arranged in each threaded hole, the screw head of the tensioning screw is arranged towards the side of the core rail, and the inner side reinforcing pad is pressed between the screw head of each tensioning screw and the corresponding side face of the core rail; the wing rail or the acting edge of the wing rail and the core rail at the break part are in straight and smooth states through the inner reinforcing part and the outer reinforcing part.
The external fixing part comprises a transverse reinforcing bolt, a high-strength fixing seat and a small-mouth clip iron; the high-strength fastening seat and the small-mouth clip iron are oppositely arranged at the lower part outside the wing rails at the two sides; the inner side of the upper part of the high-strength reinforcing seat is provided with a bayonet, the bayonet is in clamping fit with the lower part of the fishplate outside the wing rail at the break position and the overlapping part of the lower flange of the side wing rail, and the lower part of the high-strength reinforcing seat is provided with a transverse through hole; the upper part of the small-mouth clamp iron is provided with a bayonet matched with the shape of the lower flange of the wing rail at the other side, the bayonet and the lower flange at the other side form clamping fit, and the upper part of the small-mouth clamp iron is provided with a transverse through hole; the transverse through hole on the small-mouth clamping iron is coaxially aligned with the transverse through hole on the high-strength fastening seat, and the transverse reinforcing bolt is penetrated in the high-strength fastening seat and the transverse through hole on the small-mouth clamping iron and is locked by the nut.
And the side face of the inner reinforcing pad, which contacts the core rail, is provided with a mounting hole, and a magnetic block which is attracted with the side face of the core rail is arranged in the mounting hole.
Moreover, the screw heads of the tensioning screws adopt regular hexagon screw heads; the outer side surface of the inner reinforcing cushion block is provided with a positioning groove, the groove width of the positioning groove is consistent with the distance between two parallel edges of the screw head of the tensioning screw, the depth of the positioning groove is smaller than the rear end of the screw head of the tensioning screw, one end of the positioning groove is an open end, and the other end of the positioning groove is provided with a semicircular arc-shaped sealing surface; the inner reinforcing cushion block is in plug-in type fit with the screw head of the tensioning screw through the positioning groove.
The utility model has the advantages and positive effects that:
1. according to the utility model, the core rail and the wing rails at the two sides are reinforced simultaneously through the outer reinforcing part and the inner reinforcing parts arranged at the two sides of the core rail, and the reinforcing forces acting on the core rail and the wing rails at the two sides are both reinforcing forces in two directions, so that a good reinforcing effect is achieved.
2. The inner reinforcing part is composed of the inner reinforcing plate, the tension screw and the inner reinforcing cushion block, fewer components are formed, the inner reinforcing part is in contact with the waist of the wing rail, the reinforcing cushion block is in contact with the side surface of the core rail, the tension screw is connected with the inner reinforcing plate and the inner reinforcing cushion block, the distance between the inner reinforcing plate and the inner reinforcing cushion block can be adjusted by adjusting the tension screw, the waist of the wing rail is tightly pressed with the outer side of the core rail, the expansion effect is achieved, and the wing rail has the advantages of simplicity in operation and convenience in installation and disassembly.
3. The magnet is embedded on one side of the inner reinforcing cushion block, which is contacted with the core rail, so that the inner reinforcing part is in suction connection with the core rail to play a role in positioning.
Drawings
FIG. 1 is a top view of the reinforcement device of the present utility model;
FIG. 2 is a right side view of FIG. 1;
FIG. 3 is a schematic view of the structure of the inner reinforcement portion of the present utility model; 3a is a side view; 3b is a top view; 3c perspective view of figure 1;3d is a perspective view of fig. 2.
Detailed Description
The structure of the present utility model will be further described by way of examples with reference to the accompanying drawings. It should be noted that the present embodiments are illustrative and not restrictive.
A device for reinforcing a broken rail after a frog tip is composed of bainitic steel, which is shown in fig. 1-3, and comprises an inner reinforcing part 3 and an outer reinforcing part 4. The external fastening part is connected between the wing rails 1 at two sides of the core rail 2 and is used for applying inward clamping force to the two wing rails. The external fixing part can adopt the structural form that: comprises a transverse reinforcing bolt 4.2, a high-strength fastening seat 4.1 and a small-mouth clamping iron 4.3. The high-strength reinforcing seat and the small-opening clamping iron are oppositely arranged at the lower part of the outside of the wing rails at the two sides, the inner side of the upper part of the high-strength reinforcing seat is provided with a bayonet, the shape of the bayonet is consistent with the superposition shape of the lower part of the fishplate at the outer side of the wing rail at the break position and the lower flange of the wing rail at the side, and the high-strength reinforcing seat is used for realizing the clamping connection with the lower part of the fishplate and the lower flange of the wing plate at the side. The lower part of the high-strength reinforcing seat is provided with a transverse through hole. The upper part of the small-mouth clamp iron is provided with a bayonet matched with the shape of the lower flange of the wing rail at the other side, and the bayonet is used for being fixedly connected with the lower flange of the wing rail at the other side. The upper part of the small-mouth clamp iron is provided with a transverse through hole which is coaxially aligned with the transverse through hole on the high-strength fastening seat and is used for penetrating and installing a transverse reinforcing bolt, and the transverse reinforcing bolt is penetrated and installed in the transverse through holes on the high-strength fastening seat and the small-mouth clamp iron and locked by a nut to realize clamping connection of wing rails on two sides.
The inner reinforcement part comprises a left inner reinforcement part and a right inner reinforcement part which are respectively arranged between two sides of the heart rail at the break and the corresponding flank rail, and an outward reinforcement force is applied to the wing rail at the break in a jacking mode, so that the firm reinforcement of the wing rail and the heart rail at the break is realized through the inner and outer reinforcement forces.
The left inner reinforcement part and the right inner reinforcement part are respectively composed of an inner reinforcement plate 3.1, tensioning screws 3.2 and an inner reinforcement cushion block 3.4. The inner reinforcing plate adopts a rectangular plate, and at least two threaded holes are formed in the inner reinforcing plate along the plate thickness direction and are used for being connected with tensioning screws. And the inner reinforcing plate is in compression contact with the inner side surface of the corresponding side wing rail. And each threaded hole in the inner reinforcing plate is connected with a tensioning screw, the screw heads 3.2.1 of the tensioning screws are arranged inwards, and the screw heads of the tensioning screws are regular hexagon screw heads. An inner reinforcing cushion block is arranged between the screw head of each tensioning screw and the corresponding side surface of the core rail in a pressure equalizing manner, and the inner reinforcing cushion block is in pressure contact with the side surface of the core rail. The middle part of the inner side reinforcing cushion block is provided with a mounting hole, and a magnetic block 3.3 is arranged in the mounting hole and used for being attracted with the side surface of the core rail. The wing rail at the break-off position is reinforced, so that the quick alignment and installation of the inner side reinforcing cushion block are facilitated, the outer side face of the inner side reinforcing cushion block is provided with a positioning groove 3.4.1, the groove width of the positioning groove is consistent with the distance between two parallel edges of the screw head of the tensioning screw, and the depth of the positioning groove is smaller than the rear end of the screw head of the tensioning screw, so that after the screw head is matched with the positioning groove, the space for installing a spanner at the head of the screw can be reserved. One end of the positioning groove is an open end, and the other end of the positioning groove is provided with a semicircular arc sealing surface. When the inner reinforcing cushion block is installed, the inner reinforcing cushion block is inserted through the open hole end and is controlled in place through the semicircular arc sealing surface.
The reinforcing method for the rail break reinforcing device after the frog point by combining the prior structural form of the matching part of the rear wing rail and the point rail of the frog point by adopting the bainitic steel comprises the following steps:
after confirming that the rear wing rail or the center rail of the frog tip is broken, loosening the center rail tip interval iron and the rear interval iron bolts, and removing the square pad and the anti-loose pad; extracting a spacer iron bolt at the rear part of the tip part of the core rail, poking off a break wing rail and a core rail gap by using a crow bar, and channeling one side of the spacer iron; then an inner side reinforcing plate (such as a special line 4281 type inner side reinforcing plate with the length of 270 mm) provided with a tensioning screw is inserted into the rail web of the wing rail at the break from the gap between the back of the center rail and the wing rail at the break; then the spacer iron 6 is penetrated back and the spacer iron bolt 7 is penetrated; after the inner reinforcing plate is placed, the inner reinforcing cushion block with the magnet arranged on the inner side is inserted between the side part of the core rail and the screw head of the tension screw from top to bottom in a mode that the positioning groove is aligned with the two parallel faces of the screw head of the tension screw; then the wrench is clamped at the position, where the screw head of the adjusting screw is located at the outer side of the inner side reinforcing cushion block, of the adjusting screw, and the wing rail at the breaking position is pressed outwards through the inner side reinforcing plate, so that the inner side acting edge of the wing rail is in a smooth state.
The fishplate 5 is screwed up by using the tip of the core rail and the rear interval iron bolts; the high-strength fastening seat (also called a high-strength emergency device) is arranged on the loose side of the fish tail in the rail space, the small-mouth clamping iron is arranged for the other time, and the small-mouth clamping iron is connected by a transverse fastening bolt, and a nut is screwed down, so that the outer side of the wing rail is reinforced.
In the reinforcement, attention is paid to several aspects:
1. to ensure straight and smooth wing rail action Bian Ping, no stagger is present. And (5) listing according to the regulation, and strictly forbidding blind speed increase.
2. After the fishplate is installed, the torque of the spacer iron bolt should reach 1100-1350Nm.
3. The inner supporting top sleeve is aligned with the original pit of the magnetic pad iron and is screwed down to prevent loosening during outdated operation, and the torque of the transverse reinforcing bolt (also called as a high-strength emergency device bolt) is not lower than 800Nm.
4. After reinforcement, special personnel are required to monitor the site, and each time a car passes, whether bolts are loosened or not is checked, if the bolts are loosened, the bolts are timely re-tightened, and the key points are changed.
5. After the frog is broken off line, the reinforcing device is removed and properly stored for later use.
Although the embodiments of the present utility model and the accompanying drawings have been disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit of the utility model and the appended claims, and therefore the scope of the utility model is not limited to the embodiments and the disclosure of the drawings.
Claims (4)
1. A bainitic steel combined frog point rear rail breaking and reinforcing device is characterized in that: comprises an inner reinforcing part and an outer reinforcing part; the external fixing part is connected between the wing rails at the two sides of the broken part, and inward clamping force is applied to the wing rails at the two sides; the inner reinforcement part comprises a left inner reinforcement part and a right inner reinforcement part which are respectively arranged between two sides of the heart rail at the break and the inner sides of the corresponding flank rails, and an outward reinforcement force is applied to the flank rails at the break; the left inner reinforcement part and the right inner reinforcement part are composed of an inner reinforcement plate, a tensioning screw and an inner reinforcement cushion block; the inner side reinforcing plate is contacted with the side face of the rail web of the corresponding side wing rail, at least two threaded holes are formed in the inner side reinforcing plate along the rail direction, a tensioning screw is arranged in each threaded hole, the screw head of the tensioning screw is arranged towards the side of the core rail, and the inner side reinforcing pad is pressed between the screw head of each tensioning screw and the corresponding side face of the core rail; the wing rail or the acting edge of the wing rail and the core rail at the break part are in straight and smooth states through the inner reinforcing part and the outer reinforcing part.
2. The bainitic steel combined frog point rear rail break reinforcing device of claim 1, wherein: the external reinforcing part comprises a transverse reinforcing bolt, a high-strength reinforcing seat and a small-mouth clamping iron; the high-strength fastening seat and the small-mouth clip iron are oppositely arranged at the lower part outside the wing rails at the two sides; the inner side of the upper part of the high-strength reinforcing seat is provided with a bayonet, the bayonet is in clamping fit with the lower part of the fishplate outside the wing rail at the break position and the overlapping part of the lower flange of the side wing rail, and the lower part of the high-strength reinforcing seat is provided with a transverse through hole; the upper part of the small-mouth clamp iron is provided with a bayonet matched with the shape of the lower flange of the wing rail at the other side, the bayonet and the lower flange at the other side form clamping fit, and the upper part of the small-mouth clamp iron is provided with a transverse through hole; the transverse through hole on the small-mouth clamping iron is coaxially aligned with the transverse through hole on the high-strength fastening seat, and the transverse reinforcing bolt is penetrated in the high-strength fastening seat and the transverse through hole on the small-mouth clamping iron and is locked by the nut.
3. The bainitic steel combined frog point rear rail break reinforcing device of claim 1, wherein: the side face of the inner reinforcing pad, which is contacted with the core rail, is provided with a mounting hole, and a magnetic block which is attracted with the side face of the core rail is arranged in the mounting hole.
4. The bainitic steel combined frog point rear rail break reinforcing device of claim 1, wherein: the screw heads of the tensioning screws are regular hexagon screw heads; the outer side surface of the inner reinforcing cushion block is provided with a positioning groove, the groove width of the positioning groove is consistent with the distance between two parallel edges of the screw head of the tensioning screw, the depth of the positioning groove is smaller than the rear end of the screw head of the tensioning screw, one end of the positioning groove is an open end, and the other end of the positioning groove is provided with a semicircular arc-shaped sealing surface; the inner reinforcing cushion block is in plug-in type fit with the screw head of the tensioning screw through the positioning groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321955028.1U CN220520976U (en) | 2023-07-25 | 2023-07-25 | Bainite steel combined frog point rear rail breaking and reinforcing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321955028.1U CN220520976U (en) | 2023-07-25 | 2023-07-25 | Bainite steel combined frog point rear rail breaking and reinforcing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220520976U true CN220520976U (en) | 2024-02-23 |
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ID=89939657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321955028.1U Active CN220520976U (en) | 2023-07-25 | 2023-07-25 | Bainite steel combined frog point rear rail breaking and reinforcing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220520976U (en) |
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2023
- 2023-07-25 CN CN202321955028.1U patent/CN220520976U/en active Active
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