CN220335604U - Railway jacking frame bridge concrete sleeper quick replacement construction device - Google Patents
Railway jacking frame bridge concrete sleeper quick replacement construction device Download PDFInfo
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- CN220335604U CN220335604U CN202321849429.9U CN202321849429U CN220335604U CN 220335604 U CN220335604 U CN 220335604U CN 202321849429 U CN202321849429 U CN 202321849429U CN 220335604 U CN220335604 U CN 220335604U
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- 241001669679 Eleotris Species 0.000 title claims abstract description 94
- 238000010276 construction Methods 0.000 title claims abstract description 33
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 102
- 239000010959 steel Substances 0.000 claims abstract description 102
- 239000002023 wood Substances 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a construction device for quickly replacing a concrete sleeper of a railway jacking frame bridge. The sleeper replacement device comprises a steel bracket, wherein the steel bracket comprises an upper rectangular frame and four supporting legs fixedly connected to the lower part of the rectangular frame, the sleeper replacement device is arranged above the existing steel rail in a crossing manner and is supported by the steel bracket, two windlass with two guide wheels with brake devices are arranged at the two ends of the upper part of the sleeper replacement device, perpendicular to the railway track, two channel steel arranged along the direction of the railway track are respectively fixed at the two ends of the upper part of the sleeper replacement device, the guide wheels of the two windlass are respectively movably positioned in corresponding channel steel grooves, and a hook and a binding steel wire rope are connected to the steel wire rope of the windlass. The utility model has simple and convenient construction and high construction efficiency, can quickly replace the concrete sleeper, and can reduce the influence on railway operation.
Description
Technical Field
The utility model relates to a construction device for quickly replacing a concrete sleeper of a railway jacking frame bridge, and belongs to the technical field of railway construction.
Background
The "horizontal-to-vertical" of railway crossing refers to the crossing of railway and highway on the flat ground changed into an up-span bridge type or a down-crossing culvert type or a road-changing crossing. The horizontal-to-vertical separation of railways and highways can be realized, road junction traffic jam conditions can be relieved, accidents caused by various factors can be reduced, and the expenditure on equipment and labor can be reduced. The underpass culvert is one of the effective modes of leveling and improving, relates to frame prefabrication and jacking, needs to adopt D-shaped temporary beams or adopts a mode of vertically and horizontally lifting beams to strengthen a line, then jacking and cutting soil and jacking the frame, and often has the phenomenon that the existing concrete sleeper influences railway driving safety due to long-term cracking, breakage or construction and the like, so that the concrete sleeper needs to be replaced from old to new or from common concrete sleeper to bridge sleeper when the road junction is leveling and improving. Because construction space is smaller, can not use the sleeper replacement machine to change the concrete sleeper, in the existing construction, be just the roof beam demolishs, after the railway ballast backfills, perhaps the line is unsettled to adopt the manual work to utilize the rope to put to lift and put the change concrete sleeper, when the railway business line seals construction, there are time to be tight, the work load is big, operating space is little etc. adverse factors, the efficiency of construction is low, and the railway seals the number of times of the essential point, construction cost is high, influences greatly to the railway driving.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides the rapid replacement construction device for the concrete sleeper of the railway jacking frame bridge, which has the advantages of simple construction, high construction efficiency, low construction cost and small influence on railway driving.
The utility model is realized by the following technical scheme: a railway jacking frame bridge concrete sleeper quick replacement construction device is characterized in that: the sleeper replacement device comprises a plurality of steel convenient beams and sleeper replacement devices, wherein the steel convenient beams are arranged at the lower part of an existing steel rail at intervals perpendicular to a railway track and are connected with the existing steel rail, each sleeper replacement device comprises a steel support, each steel support comprises an upper rectangular frame and four supporting legs fixedly connected to the lower part of the rectangular frame, each sleeper replacement device is arranged above the existing steel rail in a crossing mode and supported by the steel convenient beams, the four supporting legs of each sleeper replacement device are respectively located on the outer sides of the existing steel rail, two windlass are arranged at two ends of the upper part of each rectangular frame of each steel support perpendicular to the railway track, two guide wheels with brake devices are arranged at the bottoms of the windlass, two steel channels which are arranged along the direction of the railway track are respectively and fixedly arranged at two ends of the upper part of each rectangular frame of each steel support, the guide wheels of each windlass are respectively and movably located in corresponding steel channel grooves, and hooks and binding steel ropes are connected to the steel ropes of the windlass.
When the utility model is used for construction, the groove pulling is completed below the railway track line, and the existing space is used for replacing the concrete sleeper before the frame is jacked in. Before a new concrete sleeper is replaced, a steel temporary beam and sleeper replacement device is installed on an existing line, the new concrete sleeper to be replaced is mechanically transported to the lower portion of the line by a forklift, an excavator and the like, binding steel wire ropes at the lower ends of the winches are bound at two ends of the new concrete sleeper, after the binding is completed, the new concrete sleeper is synchronously lifted to an installation position by the aid of the two winches, and the new concrete sleeper is connected and fixed with a steel rail by the aid of spikes. When the old sleeper is removed, the old concrete sleeper to be removed is manually matched, firstly hung on a winch hook, the old concrete sleeper is firmly bound, then bolts are removed, and the two winches are synchronously and slowly operated and vertically lowered below a line. The two windlass can move in the channel steel groove through the orientation wheels at the lower part of the windlass so as to adjust the position of the windlass.
Further, in order to facilitate movement, the lower parts of the four supporting legs of the sleeper replacement device are provided with directional wheels with brake devices, and wood frame plates or steel plates are arranged between the four supporting legs of the sleeper replacement device and the steel toilet beams. The sleeper replacement device can move through the directional wheels arranged at the lower parts of the four supporting legs, the sleeper replacement device is convenient to replace in operation position, and the sleeper replacement device is convenient to move through arranging the wooden frame plates or the steel plates on the steel temporary beam.
Further, in order to ensure the stability of the sleeper replacement device during operation and prevent the sleeper replacement device from overturning, a mini-type chain block is adopted between the steel bracket and the steel temporary beam for fixing. The mini type chain block is adopted for fixing, so that the device can be effectively prevented from overturning, and the reinforcement and disassembly are convenient.
Furthermore, in order to prevent the winch from derailing, two ends of the channel steel are provided with limiting steel plates.
Furthermore, the steel bracket is formed by welding angle steel.
The beneficial effects of the utility model are as follows: the utility model has simple and convenient construction and high construction efficiency, can quickly replace the concrete sleeper in a limited time, can reduce the blocking times of a railway business line, reduces the influence on railway operation, is convenient for dismantling a beam, and can replace the concrete sleeper after restoring a line, thereby being more convenient, faster and safer; the utility model can effectively reduce the repeated movement adjustment of the concrete sleeper, can be in place in one step, reduces the frequency of maintenance period, has small disturbance on the line and can ensure the safety and stability of the line; the sleeper replacement device has the advantages of simple structure, simple manufacture, easy material acquisition, low processing and manufacturing cost, turnover use and reduced construction cost.
Drawings
FIG. 1 is a schematic view of the structure of the present utility model in an embodiment (sleeper replacement not equipped with a directional wheel);
FIG. 2 is a side view schematic of FIG. 1;
FIG. 3 is a schematic view of the structure of the present utility model (sleeper replacement apparatus configured with a directional wheel);
FIG. 4 is a side view schematic of FIG. 3;
FIG. 5 is a schematic view of the sleeper replacement apparatus of the present utility model (configured with a directional wheel);
FIG. 6 is a top view of FIG. 5;
fig. 7 is a side view of fig. 5.
In the figure, 1, a steel temporary beam, 2, a winch, 3, a steel bracket, 4, an existing steel rail, 5, a wood frame plate or steel plate, 6, a new concrete sleeper, 7, a suspended concrete sleeper, 8, a directional wheel of a sleeper replacement device, 9, a directional wheel of the winch, 10, channel steel, 11, a limit steel plate, 12 and a chain of a mini-type chain block.
Detailed Description
The utility model is further illustrated by the following non-limiting examples, in conjunction with the accompanying drawings:
as shown in the attached drawing, the railway crossing is changed from flat to upright by adopting a mode of downwards penetrating through the culvert, and the existing railway concrete sleeper needs to be replaced.
A sleeper replacement device railway jacking frame bridge concrete sleeper quick replacement construction device comprises a plurality of steel temporary beams 1 and a sleeper replacement device. The steel temporary beam 1 is arranged perpendicular to the railway track, and the steel temporary beam 1 is arranged at a lower part of the existing steel rail 4 at intervals and is connected with the existing steel rail 4. The sleeper replacement device comprises a steel bracket 3, wherein the steel bracket 3 comprises an upper rectangular frame and four supporting legs fixedly connected to the lower part of the rectangular frame. The steel bracket 3 is manufactured by welding 5# angle steel, and has the dimensions of 290cm long, 120cm wide and 100cm high. The sleeper replacement device is arranged above the existing steel rail 4 in a straddling mode and supported by the steel temporary beam 1, and four supporting legs of the sleeper replacement device are respectively located on the outer side of the existing steel rail 4. Two windlass 2 are arranged at two ends of the upper part of the rectangular frame of the steel bracket 3 perpendicular to a railway track, two directional wheels 9 with brake devices are arranged at the bottom of the windlass 2, two channel steels 10 which are arranged along the direction of the railway track are respectively and fixedly arranged at two ends of the upper part of the rectangular frame of the steel bracket 3, the channel steels 10 are 10# channel steels, the two directional wheels 9 of the windlass are respectively and movably positioned in corresponding channel steels 10 grooves, and the windlass 2 can move along the channel steel grooves of the channel steels 10 through the directional wheels 9 thereof. In order to prevent derailment when the winch runs, two ends of the channel steel 10 are respectively welded with a limiting steel plate 11. The steel wire rope of the winding machine 2 is connected with a hook and a binding steel wire rope.
In order to facilitate the longitudinal movement of the sleeper replacement device, it is preferable that the lower parts of the four supporting legs of the sleeper replacement device are respectively provided with a directional wheel 8 with a brake device, and a wood frame plate or a steel plate 5 is arranged between the four supporting legs of the sleeper replacement device and the steel toilet beam 1. The sleeper replacement device can move through the directional wheels 8 arranged at the lower parts of the four supporting legs, the sleeper replacement device is convenient to replace in operation position, and the sleeper replacement device is convenient to move through arranging the wooden frame plates or the steel plates 5 on the steel temporary beam 1. In order to prevent the device from overturning during operation, the mini type chain block is preferably adopted between the steel bracket 3 and the steel temporary beam 1 for fixation, and the steel bracket 3 and the steel temporary beam 1 can be fixed together through the chain of the mini type chain block, so that the device can be effectively prevented from overturning, the stability of railway lines can be effectively ensured, the safety of operation and operators below the lines can be ensured, and the construction safety can be ensured. The mini chain block is in the prior art, has light weight (within 10 kg), and is convenient to reinforce and disassemble.
The directional wheel 8 of the sleeper replacement device and the directional wheel 9 of the winch and the brake device thereof in the embodiment are all of the prior art.
When the utility model is used for construction, the groove pulling is completed below the railway track line, and the existing space is used for replacing the concrete sleeper before the frame is jacked in. The construction is carried out according to the following steps:
(1) The steel beam 1 is installed in place to strengthen the line.
(2) And conveying the concrete sleeper to the lower part of the line. After the groove pulling is completed, a new concrete sleeper of an excavator or a forklift is conveyed to the lower part of the line, the concrete sleeper is manually matched and placed in order, and the distance, the position and the like correspond to the theoretical installation position. And combining the time of the locking points and the arrangement of the construction plan, placing the concrete pillow which needs to be replaced at each locking point in place, reasonably arranging personnel and machinery, and ensuring the construction according to the plan.
(3) The sleeper replacement device is moved onto the line. The sleeper replacement device is assembled on the outer side of the line in advance and has the condition of being on line. After the business line blocking command is issued, the business line blocking command is manually matched and carried to the line. The placement position is planned in advance, the wood frame plate or the steel plate is placed, the sequence is replaced, and the principle that one end reaches the other end is adopted.
(4) Binding the old pillow and removing the bolts. Two ends of the concrete sleeper are firmly bound by steel wires, and the hook safety pin is locked. The dismantled bolts, the spring fasteners, the gaskets and the like are uniformly collected, so that falling is avoided, personnel are hit or the bolts, the springs, the gaskets and the gaskets are left on a line, and driving safety is endangered.
(5) The old pillow is put down. After the binding is firm, the winch is synchronously operated to slowly descend to the ground, and the steel wire rope is unwound. The two ends are required to be synchronously lowered, so that the horizontal stability of the concrete sleeper is maintained.
(6) Binding the new pillow. Binding a new sleeper, operating a winch, synchronously lifting in place, and immediately and firmly connecting with the sleeper. And the hemp ropes are firmly bound with other concrete pillows in place to form a whole, so that falling is avoided, and safety of personnel and vehicles is endangered.
(7) The sleeper replacement apparatus is moved longitudinally. And (5) manually matching with the longitudinal movement sleeper replacement device, repeating the above procedures, and removing and replacing the next concrete sleeper. In the replacement process of the sleeper replacement device, the sleeper replacement device is firmly reinforced, the movement process is well controlled, the overall stability of the sleeper replacement device is ensured, and the situation that personnel and line safety are endangered due to dumping and the like is avoided.
(8) And replacing all concrete pillows. And replacing all concrete pillows according to the requirement, and transporting the removed old pillows to the designated position. And after the sleeper replacement device is replaced, withdrawing the sleeper replacement device from the line.
Other parts in this embodiment are all of the prior art, and are not described herein.
Claims (5)
1. A railway jacking frame bridge concrete sleeper quick replacement construction device is characterized in that: the sleeper replacement device comprises a plurality of steel convenient beams and sleeper replacement devices, wherein the steel convenient beams are arranged at the lower part of an existing steel rail at intervals perpendicular to a railway track and are connected with the existing steel rail, each sleeper replacement device comprises a steel support, each steel support comprises an upper rectangular frame and four supporting legs fixedly connected to the lower part of the rectangular frame, each sleeper replacement device is arranged above the existing steel rail in a crossing mode and supported by the steel convenient beams, the four supporting legs of each sleeper replacement device are respectively located on the outer sides of the existing steel rail, two windlass are arranged at two ends of the upper part of each rectangular frame of each steel support perpendicular to the railway track, two guide wheels with brake devices are arranged at the bottoms of the windlass, two steel channels which are arranged along the direction of the railway track are respectively and fixedly arranged at two ends of the upper part of each rectangular frame of each steel support, the guide wheels of each windlass are respectively and movably located in corresponding steel channel grooves, and hooks and binding steel ropes are connected to the steel ropes of the windlass.
2. The railway jacking frame bridge concrete sleeper quick replacement construction device according to claim 1, characterized in that: the lower parts of the four supporting legs of the sleeper replacement device are provided with directional wheels with brake devices, and wood frame plates or steel plates are arranged between the four supporting legs of the sleeper replacement device and the steel toilet beams.
3. The railway jacking frame bridge concrete sleeper quick replacement construction device according to claim 2, characterized in that: the steel bracket and the steel convenient beam are fixed by adopting a mini type chain block.
4. The railway jacking frame bridge concrete sleeper quick replacement construction device according to claim 1 or 2 or 3, characterized in that: limiting steel plates are arranged at two ends of the channel steel.
5. The railway jacking frame bridge concrete sleeper quick replacement construction device according to claim 1 or 2 or 3, characterized in that: the steel bracket is formed by welding angle steel.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2023208849444 | 2023-04-19 | ||
| CN202320884944 | 2023-04-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220335604U true CN220335604U (en) | 2024-01-12 |
Family
ID=89448688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321849429.9U Active CN220335604U (en) | 2023-04-19 | 2023-07-14 | Railway jacking frame bridge concrete sleeper quick replacement construction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220335604U (en) |
-
2023
- 2023-07-14 CN CN202321849429.9U patent/CN220335604U/en active Active
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