CN107777548B - Fixing device and fixing method for hoisting gantry crane on hundred-meter long rail of subway operation line - Google Patents
Fixing device and fixing method for hoisting gantry crane on hundred-meter long rail of subway operation line Download PDFInfo
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- CN107777548B CN107777548B CN201711096994.1A CN201711096994A CN107777548B CN 107777548 B CN107777548 B CN 107777548B CN 201711096994 A CN201711096994 A CN 201711096994A CN 107777548 B CN107777548 B CN 107777548B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C5/00—Base supporting structures with legs
- B66C5/02—Fixed or travelling bridges or gantries, i.e. elongated structures of inverted L or of inverted U shape or tripods
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Abstract
The invention relates to the technical field of urban rail transit engineering construction equipment and method, in particular to a fixing device and a fixing method for a portal crane for hoisting hundred-meter long rails of a subway operation line. Compared with the prior art, the invention has the following advantages: the fixing method of the portal crane for hoisting the hundred-meter long rail of the subway operation line is simple, convenient and low in cost; the existing line track does not need to be dismantled, so that the construction cost is saved; the existing line track and facilities are not damaged, the fixed group crane is convenient to disassemble after the hundred-meter long steel rail of the operation line is replaced, and the fixed structure can be recycled.
Description
Technical Field
The invention relates to the technical field of urban rail transit engineering construction equipment and method, in particular to a fixing device and a fixing method for a portal crane for hoisting a hundred-meter long rail of a subway operation line.
Background
With the expansion of the construction scale of the domestic subway, the problems of equipment ageing, rail abrasion, rail material ageing, ballast bed cracking and the like gradually appear in the constructed and opened line in the early operation stage, and the line maintenance and the maintenance become an emerging industry. With the rapid development of urban subways, the requirements of passengers on comfort and safety are gradually improved, and higher requirements are put forward on the high smoothness of the track. The operation time of the operation line is long, the fatigue period of the steel rail reaches the service life, and the worn steel rail needs to be replaced urgently. When the steel rail is replaced, the steel rail is required to be purchased and stored in a vehicle section or a parking lot, and is transported to a changed section when the steel rail is replaced by utilizing window time, and as the vehicle section and the line track of the parking lot are constructed, a gantry crane is installed on the steel rail storage site to facilitate the loading and unloading of the steel rail, wherein the gantry crane can be installed in a fixed mode or a movable mode. At present, 25m steel rails and 100m long steel rails are adopted for subway operation line steel rail modification construction, a traveling gantry crane is used for steel rail hoisting when the 25m steel rails are replaced, and a fixed group crane is used for steel rail hoisting when the 100m long steel rails are replaced. In order to improve the rail replacement progress of the subway operation line, a 100-meter rail is adopted for replacement at present, and a fixed group crane is adopted for hoisting operation for hundred-meter rail storage and loading and unloading.
The existing construction method comprises the steps of dismantling existing lines of a vehicle section or a parking lot, paying off and positioning the center of a supporting leg after the storage condition of a steel rail is met, digging a square foundation with the width of more than or equal to 800mm and the depth of more than or equal to 600mm, embedding a connecting flange plate (a steel plate with the width of 500 multiplied by 14 mm) and bolts M20 in the foundation to pour concrete, and then carrying out fixed group crane installation after the concrete strength of the supporting leg foundation meets the requirement. The existing method needs to remove the existing line and dig pits on the line subgrade, the existing line needs to be restored after the rail of the subway operation line is replaced, the poured fixed group-hung foundation needs to be chiseled and cleaned, the subgrade needs to be backfilled again, the completed line and other facilities need to be damaged in the construction process, the existing method is more specialized, difficult to coordinate and difficult to restore, the maintenance needs to be carried out for one year after the line is restored, and the input cost of the existing technology is higher.
Therefore, a novel fixing device and a fixing method for hoisting the gantry crane by using the hundred-meter long rail of the subway operation line are required to be designed.
Disclosure of Invention
The invention aims to solve the defects of the prior art, develop a fixing device and a fixing method for a long rail hoisting gantry crane of a metro operation line, solve the problems of damage caused by existing line dismantling, roadbed pit digging and other facilities and difficult professional coordination, utilize a vehicle section or parking lot to store a line rail, fix a fixed group hoisting support leg with an existing line rail, fix the fixed group hoisting support leg with the existing line rail by utilizing a first inclined support structure and a second inclined support, install the fixed group hoisting on the existing line rail of the vehicle section or the parking lot without dismantling the existing line rail, and utilize the existing line rail of the parking line to store the long rail of hundred meters.
In order to achieve the above purpose, the fixing device for hoisting the gantry crane on the hundred-meter long rail of the subway operation line is designed, and the fixing device is used for fixing the fixed group crane supporting legs of the gantry crane on the steel rail and comprises a supporting leg fixing structure, at least one first supporting leg inclined support fixing structure and at least one second supporting leg inclined support fixing structure.
The landing leg fixed knot construct include first channel-section steel and first U type double-end screw rod, first channel-section steel fixed connection hang the landing leg base below of landing leg bottom in fixed crowd for the lock joint is hung the spacing of landing leg in order to realize fixed crowd on the rail face, the landing leg base on be equipped with the mounting hole, be used for connecting the both ends of first U type double-end screw rod, two bending sections of first U type double-end screw rod be located the rail below.
The first supporting leg inclined support fixing structure comprises reinforcing rib plates, a first pull rod, a connecting plate, second channel steel and second U-shaped double-headed bolts, wherein the reinforcing rib plates are arranged on the supporting leg base, the second channel steel is arranged below the connecting plate and used for being buckled on the rail surface of the steel rail, mounting holes are formed in the connecting plate and used for connecting the two ends of the second U-shaped double-headed bolts, and two bending sections of the second U-shaped double-headed bolts are located below the steel rail and connected with the reinforcing rib plates through the first pull rod.
The second landing leg bearing diagonal fixed knot constructs including third channel-section steel, fixed channel-section steel, flange board, second pull rod and third U type stud, third channel-section steel cartridge on the rail face of another rail, third channel-section steel both ends be equipped with fixed channel-section steel respectively, fixed channel-section steel on be equipped with the mounting hole, be used for connecting third U type stud's both ends, two sections of bending of third U type stud be located another rail below, the flange board fix the landing leg base on, flange board and third channel-section steel between connect through the second pull rod.
The reinforcing rib plate is provided with two first lug plates, a first pin shaft is fixed between the two first lug plates through a cotter pin, the first pin shaft is fixedly connected with one end of the first pull rod, the connecting plate is provided with two second lug plates, a second pin shaft is fixed between the two second lug plates through the cotter pin, and the second pin shaft is fixedly connected with the other end of the first pull rod.
The flange plate is provided with a plurality of preformed holes which are used for being matched with bolts to fix the flange plate and the fixed group crane supporting legs.
The novel steel wire rope is characterized in that two third lug plates are arranged on the third channel steel, a third pin shaft is fixed between the two third lug plates through a cotter pin, the third pin shaft is fixedly connected with one end of the second pull rod, two fourth lug plates are arranged on the flange plate, a fourth pin shaft is fixed between the two fourth lug plates through the cotter pin, and the fourth pin shaft is fixedly connected with the other end of the second pull rod.
The mounting hole position department on the fixed channel-section steel still is equipped with the stiffening plate, the stiffening plate on correspondingly be equipped with the through-hole, be used for connecting the both ends of third U type double-end screw rod.
The invention also designs a fixing method for adopting the fixing device for hoisting the gantry crane by using the hundred-meter long rail of the subway operation line, the existing line rails are not dismantled, the existing line rails are used for storing the hundred-meter long rail, three rail lines are selected, the rails on two sides are used for fixing the fixed group hoisting support legs of the gantry crane, and the middle rail is used for hoisting and transporting the hundred-meter long rail.
The method specifically comprises the following steps:
one end of the first U-shaped double-headed screw rod passes through the lower part of the steel rail, two ends of the first U-shaped double-headed screw rod are connected with the supporting leg base through mounting holes and are screwed and fixed by a spring washer and a nut, so that two bending sections of the first U-shaped double-headed screw rod are positioned below the steel rail, a first channel steel is welded at the bottom of the supporting leg base, and the first channel steel and the steel rail are fastened to play a limiting role;
welding reinforcing rib plates and two first lug plates on a support leg base, welding two second lug plates, a connecting plate and a second channel steel into a whole, enabling one end of a second U-shaped double-headed screw to pass through the lower part of a steel rail, connecting two ends of the second U-shaped double-headed screw with the connecting plate through mounting holes and screwing and fixing the connecting plate by using a spring washer and a nut, enabling two bending sections of the second U-shaped double-headed screw to be positioned below the steel rail, arranging through holes at two ends of a first pull rod, enabling a first pin shaft to pass through the two first lug plates and the through holes at one end of the first pull rod, enabling a second pin shaft to pass through the two second lug plates and the through holes at the other end of the first pull rod, and further realizing connection between the connecting plate and the reinforcing rib plate, and enabling split pins to penetrate into the ends of the first pin shaft and the second pin shaft to be fixed;
two fourth lug plates are welded on the flange plate, 5 through holes are formed in the flange plate, the flange plate is fixed on the support leg base through the through holes of the flange plate by bolts, two fixing channel steel perpendicular to the third channel steel are welded at two ends of the third channel steel, two left and right through holes are formed in the fixing channel steel, two third lug plates are welded on the third channel steel, the third channel steel is buckled on another steel rail, one end of a third U-shaped double-headed screw rod penetrates through the lower portion of the other steel rail, two ends of the third U-shaped double-headed screw rod are connected with the fixing channel steel through the through holes of the fixing channel steel and screwed and fixed by a spring washer and a nut, two bending sections of the third U-shaped double-headed screw rod are located below the other steel rail, through holes are formed in two ends of a second pull rod, a third pin shaft penetrates through the through holes of the two third lug plates and one end of the second pull rod, a fourth pin shaft penetrates through the through holes of the other end of the two fourth lug plates and the second pull rod, and the third pin shaft is connected with the fourth pin shaft is screwed and fixed through the opening of the flange.
And a reinforcing plate is welded at the position of the mounting hole on the fixed channel steel, and a through hole is correspondingly formed in the reinforcing plate and used for connecting the two ends of the third U-shaped double-ended screw rod.
The method further comprises the step of carrying out trial hanging and acceptance checking on the gantry crane after the installation is completed.
Compared with the prior art, the invention has the following advantages:
1. the fixing method for hoisting the gantry crane on the metro operation line hundred-meter long rail is simple and convenient and has low cost.
2. The existing line track does not need to be dismantled, so that the construction cost is saved.
3. The existing line track and facilities are not damaged, the fixed group crane is convenient to disassemble after the hundred-meter long steel rail of the operation line is replaced, and the fixed structure can be recycled.
[ description of the drawings ]
FIG. 1 is an elevational view of a gantry crane fixture mounted to an existing line of a vehicle section;
FIG. 2 is a side view of an existing line gantry crane fixture mounted to a vehicle section;
FIG. 3a is an elevation view of the leg attachment structure attached to a rail;
FIG. 3b is an elevation view of a U-shaped double-ended screw;
FIG. 3c is a plan view of the leg attachment structure attached to the rail;
FIG. 3d is a schematic view of the structure of an ear plate;
FIG. 3d' is a schematic view of the structure of the tie plate;
FIG. 4 is an elevation view of a second leg diagonal brace attachment structure mounted to an existing line gantry crane of a vehicle section;
FIG. 5 is a side view of a second leg diagonal brace attachment structure mounted to an existing line gantry crane of a vehicle section;
FIG. 6a is a schematic structural view of a third channel and a fixed channel mounted to an existing wire second leg diagonal brace fixation structure of a vehicle section;
FIG. 6b is a schematic structural view of a flange plate mounted to an existing wire second leg diagonal support fixture of a vehicle section;
as shown in the figure, in the figure: 1. the steel rail type steel rail comprises a supporting leg fixing structure 1-1, a nut 1-2, a spring washer 1-3, a first U-shaped double-head screw 1-4, a first steel rail 2, a steel rail 3, a sleeper 4, a fixed group crane 5, a first supporting leg inclined support fixing structure 5-1, a reinforcing rib plate 5-2, a first lug plate 5-3, a first pin shaft 5-4, a cotter pin 5-5, a first pull rod 5-6, a connecting plate 5-7, a second U-shaped double-head screw 5-8, a second steel rail 6, a second supporting leg inclined support fixing structure 6-1, a third U-shaped double-head screw 6-2, a bolt 6-3, a second pull rod 6-4, a fixing steel rail 6-5, a reinforcing plate 6-6, a third steel rail 6-7, a third lug plate 6-8 and a flange plate.
Detailed description of the preferred embodiments
The construction of such a method and apparatus will be apparent to those skilled in the art from the following description of the invention taken in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The embodiment provides a fixing device and a fixing method for a gantry crane for hoisting a hundred-meter long rail of a subway operation line, which solve the problems of the disassembly of the existing line, the damage of a roadbed, the damage caused by other facilities, the difficulty of coordination of each professional and the like. Three track lines are selected in a subway vehicle section or a parking area without a contact net storage line section, wherein the two side tracks are fixed with gantry crane supporting legs, the middle track is used for hoisting and transporting hundred-meter long tracks, and the hundred-meter long tracks are stored among the three tracks. The U-shaped double-head screw is utilized to fix the fixed group-hung supporting leg and the existing line rail, and meanwhile, the pull rod is utilized to fix the fixed group-hung supporting leg and the existing line rail, so that the existing line rail is not dismantled. After the fixed group crane is installed, test crane and acceptance are carried out. And after acceptance inspection is qualified, hundred-meter steel rail hoisting can be carried out, and 8 fixed group cranes are required to synchronously work for hundred-meter steel rail hoisting. 8 fixed group cranes have the main task of unloading hundred-meter steel rails at the entrance, storing the rails between two tracks, and loading and transporting the rails during hundred-meter steel rail replacement construction.
Example 1
Referring to fig. 1, 2, 3 (a), 3 (b) and 3 (c), the support leg fixing structure is composed of a nut M20, a spring washer d20, a first U-shaped double-ended screw rod and a first channel steel with the length of 500mm and the size of 10#100×48×5.3mm, the first channel steel with the length of 500mm is welded at the bottom of the fixed group-hung support leg along the vertical direction, the first channel steel is just buckled on the rail surface when the support leg is fixed, the first channel steel plays a limiting role, and the first U-shaped double-ended screw rod penetrates into the rail and the support leg base preformed hole to be screwed and fixed by the spring washer d20 and the nut M20.
Referring to fig. 1, 2 and 3 (d), the first leg diagonal bracing fixing structure of the fixed group crane is composed of a reinforcing rib plate, an ear plate, a pin shaft, a cotter pin phi 8 x 70mm, a first pull rod, a 250 x 120 x 14mm connecting plate, a second U-shaped stud bolt M20 of M20 x 210 x 170mm, a nut M20, a spring washer d20 and a second channel steel 2 of 120mm10#100 x 48 x 5.3 mm. The first pull rod is a rectangular pipe with the length 3022mm, and the length is 80 multiplied by 60 multiplied by 5mm. Welding reinforcing rib plates, 2 first lug plates and a supporting leg structure at the position of 2630mm in height of a supporting leg base, forming a phi 30mm hole in the first lug plates, welding 2 second lug plates, a connecting plate and a second channel steel into a whole, penetrating a steel rail and a connecting plate reserved hole on the same steel rail at the position 1800mm away from the center of the supporting leg by using a second U-shaped stud bolt, screwing and fixing the second U-shaped stud bolt and the connecting plate reserved hole through a spring washer and a nut, connecting the first lug plates and the second lug plates by using a first pull rod 1, forming a phi 30mm hole at the position of 30mm at the end of the first pull rod, penetrating 2 lug plates respectively by using two pin shafts to be connected with reserved holes at the two ends of the first pull rod, and penetrating cotter pins at the end of the pin shafts.
Referring to fig. 4, 5, 6 (a), 6 (b), the second leg diagonal bracing fixing structure of the fixed group crane comprises a third U-shaped double-headed screw M20 x 235 x 190mm, a nut M20, a spring washer d20, a fixed channel steel of which the model is 290mm10#100 x 48 x 5.3mm, a reinforcing plate of which the model is 150 x 14mm, a third channel steel of which the model is 800mm10#100 x 48 x 5.3mm, a third lug plate, a fourth lug plate, a flange plate of which the length is 470 x 140 x 14mm, a bolt M20 with the length of 140mm, a bolt M20 with the length of 120mm and a second pull rod. The second pull rod is an 80 multiplied by 60 multiplied by 5mm rectangular pipe with the length of 3008 mm. Welding a flange plate with a fourth lug plate, forming 5 phi 22mm holes in the flange plate, penetrating a reserved hole of the flange plate by using a bolt M20 at the position of 2780mm in height of a supporting leg base so as to fix the flange plate on a supporting leg structure; welding a third channel steel and 2 fixed channel steels vertically, welding a third lug plate on the third channel steel, welding a reinforcing plate on the fixed channel steel, forming a hole with phi 22mm on the reinforcing plate, penetrating a preformed hole on a circuit steel rail and the reinforcing plate by using a third U-shaped double-head screw 1 on the other steel rail of the fixed vertical circuit of the fixed group-hung landing leg, and screwing and fixing by nuts.
Example 2
Referring to fig. 1, after the fixed group crane supporting legs are fixed, test crane and relevant unit acceptance are carried out, and after acceptance is qualified, the crane can be lifted. The fixed group crane can hoist hundred-meter steel rails after fixing, and the hundred-meter steel rail hoist totally needs 8 fixed group cranes to synchronously work, and the main task of the 8 fixed group cranes is to unload the hundred-meter steel rails entering the yard, unload the vehicle to store between two tracks, and load and transport the hundred-meter steel rails during replacement construction.
Claims (9)
1. A fixing device for hoisting a gantry crane on a hundred-meter long rail of a subway operation line is characterized in that the fixing device is used for fixing a fixed group crane supporting leg of the gantry crane on a steel rail and comprises a supporting leg fixing structure, at least one first supporting leg inclined support fixing structure and at least one second supporting leg inclined support fixing structure,
the landing leg fixing structure comprises a first channel steel and a first U-shaped double-headed screw, wherein the first channel steel is fixedly connected below a landing leg base at the bottom end of the fixed group-hung landing leg and is used for being buckled on a rail surface of a steel rail to limit the fixed group-hung landing leg, a mounting hole is formed in the landing leg base and used for connecting two ends of the first U-shaped double-headed screw, and two bending sections of the first U-shaped double-headed screw are located below the steel rail;
the first supporting leg inclined support fixing structure comprises a reinforcing rib plate, a first pull rod, a connecting plate, a second channel steel and a second U-shaped stud bolt, wherein the reinforcing rib plate is arranged on the supporting leg base, the second channel steel is arranged below the connecting plate and used for being buckled on the rail surface of the steel rail, the connecting plate is provided with a mounting hole for connecting two ends of the second U-shaped stud bolt, two bending sections of the second U-shaped stud bolt are positioned below the steel rail, and the connecting plate is connected with the reinforcing rib plate through the first pull rod;
the second landing leg bearing diagonal fixed knot constructs including third channel-section steel, fixed channel-section steel, flange board, second pull rod and third U type stud, third channel-section steel cartridge on the rail face of another rail, third channel-section steel both ends be equipped with fixed channel-section steel respectively, fixed channel-section steel on be equipped with the mounting hole, be used for connecting third U type stud's both ends, two sections of bending of third U type stud be located another rail below, the flange board fix the landing leg base on, flange board and third channel-section steel between connect through the second pull rod.
2. The fixing device for hoisting the portal crane on the hundred-meter long rail of the subway operation line according to claim 1 is characterized in that two first lug plates are arranged on the reinforcing rib plate, a first pin shaft is fixed between the two first lug plates through a cotter pin, the first pin shaft is fixedly connected with one end of the first pull rod, two second lug plates are arranged on the connecting plate, a second pin shaft is fixed between the two second lug plates through the cotter pin, and the second pin shaft is fixedly connected with the other end of the first pull rod.
3. The fixing device for hoisting the portal crane on the hundred-meter long rail of the subway operation line according to claim 1 is characterized in that a plurality of preformed holes are formed in the flange plate and are used for being matched with bolts to fix the flange plate and the fixed group crane supporting legs.
4. The fixing device for hoisting the portal crane on the hundred-meter long rail of the subway operation line according to claim 1 is characterized in that two third lug plates are arranged on the third channel steel, a third pin shaft is fixed between the two third lug plates through a cotter pin, the third pin shaft is fixedly connected with one end of the second pull rod, two fourth lug plates are arranged on the flange plate, a fourth pin shaft is fixed between the two fourth lug plates through a cotter pin, and the fourth pin shaft is fixedly connected with the other end of the second pull rod.
5. The fixing device for hoisting the gantry crane on the hundred-meter long rail of the subway operation line according to claim 1 is characterized in that a reinforcing plate is further arranged at the position of a mounting hole on the fixed channel steel, and through holes are correspondingly formed in the reinforcing plate and used for connecting two ends of the third U-shaped double-head screw rod.
6. A fixing method of a fixing device for lifting a gantry crane by adopting a hundred-meter long rail of a subway operation line according to claim 1, characterized in that existing line rails are not dismantled, the existing line rails are used for storing the hundred-meter long rail among the existing line rails, three rail lines are selected, two side rails are used for fixing fixed group lifting support legs of the gantry crane, and a middle rail is used for lifting and transporting the hundred-meter long rail.
7. The fixing method of the gantry crane fixing device for hoisting the long rail of the metro operation line by hundred meters according to claim 6 is characterized by comprising the following steps:
one end of the first U-shaped double-headed screw rod passes through the lower part of the steel rail, two ends of the first U-shaped double-headed screw rod are connected with the supporting leg base through mounting holes and are screwed and fixed by a spring washer and a nut, so that two bending sections of the first U-shaped double-headed screw rod are positioned below the steel rail, a first channel steel is welded at the bottom of the supporting leg base, and the first channel steel and the steel rail are fastened to play a limiting role;
welding reinforcing rib plates and two first lug plates on a support leg base, welding two second lug plates, a connecting plate and a second channel steel into a whole, enabling one end of a second U-shaped double-headed screw to pass through the lower part of a steel rail, connecting two ends of the second U-shaped double-headed screw with the connecting plate through mounting holes and screwing and fixing the connecting plate by using a spring washer and a nut, enabling two bending sections of the second U-shaped double-headed screw to be positioned below the steel rail, arranging through holes at two ends of a first pull rod, enabling a first pin shaft to pass through the two first lug plates and the through holes at one end of the first pull rod, enabling a second pin shaft to pass through the two second lug plates and the through holes at the other end of the first pull rod, and further realizing connection between the connecting plate and the reinforcing rib plate, and enabling split pins to penetrate into the ends of the first pin shaft and the second pin shaft to be fixed;
two fourth lug plates are welded on the flange plate, 5 through holes are formed in the flange plate, the flange plate is fixed on the support leg base through the through holes of the flange plate by bolts, two fixing channel steel perpendicular to the third channel steel are welded at two ends of the third channel steel, two left and right through holes are formed in the fixing channel steel, two third lug plates are welded on the third channel steel, the third channel steel is buckled on another steel rail, one end of a third U-shaped double-headed screw rod penetrates through the lower portion of the other steel rail, two ends of the third U-shaped double-headed screw rod are connected with the fixing channel steel through the through holes of the fixing channel steel and screwed and fixed by a spring washer and a nut, two bending sections of the third U-shaped double-headed screw rod are located below the other steel rail, through holes are formed in two ends of a second pull rod, a third pin shaft penetrates through the through holes of the two third lug plates and one end of the second pull rod, a fourth pin shaft penetrates through the through holes of the other end of the two fourth lug plates and the second pull rod, and the third pin shaft is connected with the fourth pin shaft is screwed and fixed through the opening of the flange.
8. The fixing method of the fixing device for hoisting the gantry crane by adopting the hundred-meter long rail of the subway operation line is characterized in that a reinforcing plate is welded at the position of a mounting hole on the fixed channel steel, and through holes are correspondingly formed in the reinforcing plate and are used for connecting two ends of the third U-shaped double-head screw.
9. The method of claim 7, further comprising testing and accepting the gantry crane after the installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711096994.1A CN107777548B (en) | 2017-11-09 | 2017-11-09 | Fixing device and fixing method for hoisting gantry crane on hundred-meter long rail of subway operation line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711096994.1A CN107777548B (en) | 2017-11-09 | 2017-11-09 | Fixing device and fixing method for hoisting gantry crane on hundred-meter long rail of subway operation line |
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| Publication Number | Publication Date |
|---|---|
| CN107777548A CN107777548A (en) | 2018-03-09 |
| CN107777548B true CN107777548B (en) | 2023-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711096994.1A Active CN107777548B (en) | 2017-11-09 | 2017-11-09 | Fixing device and fixing method for hoisting gantry crane on hundred-meter long rail of subway operation line |
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| CN (1) | CN107777548B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114684709A (en) * | 2022-05-07 | 2022-07-01 | 株洲时代电子技术有限公司 | Gantry group-hoisting operation method for track line |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5022542A (en) * | 1988-12-09 | 1991-06-11 | Harnischfeger Corporation | Crane leg connection |
| CN102102317A (en) * | 2009-12-22 | 2011-06-22 | 中铁科工集团有限公司 | Method for laying mixed passenger and freight jointless track and bridge erecting machine for erecting railway T-beam |
| CN102447224A (en) * | 2011-11-09 | 2012-05-09 | 吉林省电力有限公司白山供电公司 | Disconnector maintenance hoisting bracket |
| CN105648854A (en) * | 2016-03-09 | 2016-06-08 | 中铁上海工程局集团有限公司 | Special regulating device for construction of trench-reserved tracks of tramcars and application method of special regulating device |
| CN205397927U (en) * | 2016-03-08 | 2016-07-27 | 中铁上海工程局集团有限公司 | Rail removes special hoisting bar |
-
2017
- 2017-11-09 CN CN201711096994.1A patent/CN107777548B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5022542A (en) * | 1988-12-09 | 1991-06-11 | Harnischfeger Corporation | Crane leg connection |
| CN102102317A (en) * | 2009-12-22 | 2011-06-22 | 中铁科工集团有限公司 | Method for laying mixed passenger and freight jointless track and bridge erecting machine for erecting railway T-beam |
| CN102447224A (en) * | 2011-11-09 | 2012-05-09 | 吉林省电力有限公司白山供电公司 | Disconnector maintenance hoisting bracket |
| CN205397927U (en) * | 2016-03-08 | 2016-07-27 | 中铁上海工程局集团有限公司 | Rail removes special hoisting bar |
| CN105648854A (en) * | 2016-03-09 | 2016-06-08 | 中铁上海工程局集团有限公司 | Special regulating device for construction of trench-reserved tracks of tramcars and application method of special regulating device |
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|---|---|
| CN107777548A (en) | 2018-03-09 |
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