CN114575258A - Bridge capping beam construction method in riding railway line environment - Google Patents
Bridge capping beam construction method in riding railway line environment Download PDFInfo
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- CN114575258A CN114575258A CN202210214821.XA CN202210214821A CN114575258A CN 114575258 A CN114575258 A CN 114575258A CN 202210214821 A CN202210214821 A CN 202210214821A CN 114575258 A CN114575258 A CN 114575258A
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- frame
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- telescopic
- main beam
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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Abstract
The invention provides a bridge capping beam construction method in a riding railway line environment, which comprises the following specific steps: 1) installing a detachable track; 2) installing an adjustable movable support portal system; 3) installing a portal beam; a gantry beam is arranged at the upper part of the gantry supporting leg; 4) walking and positioning; 5) and finishing the pouring of the cover beam on the portal. The method can realize the running of the portal system on the straddling railway line, and the transverse length of the portal beam can be adjusted according to the actual construction environment in the running process; but also the height adjustment in the vertical direction. The construction of various complex environments can be met, for example, special complex construction environments and sections such as dense urban areas with narrow space of an operation railway, corridor zones with a building too close to a bridge position, small-radius curve sections and the like can be used, and therefore safety, coordination and maneuverability of bridge construction are guaranteed.
Description
Technical Field
The invention relates to the technical field of bridge construction equipment and a construction method, in particular to a bridge capping beam construction method in a riding operation railway line environment.
Background
The portal rigid frame system can be applied to supporting and protecting systems of engineering projects and used for construction of bridges, subways and the like. At present, a combined H-shaped steel portal support construction technology is adopted in the construction of highway overpasses, so that the technical problems that the upper and lower spaces of an upper-span ramp bridge and an adjacent service line bridge are limited and the like are solved. Adopt simple and easy portal frame to replace full hall formula scaffold frame construction shield well, section of track well, solve the influence of each specialty cross construction in the rail district, greatly saved construction cost and time limit for a project.
The construction environment of many construction departments is more complicated, can't be under construction on the scene, need the assistance of portal, but current portal hardly satisfies the demand, for example in the narrow and small space of intensive city district of operation railway, the building is too close highway section, special complicated construction environment and highway section such as little radius curve section, in these environments, not only the progress of construction need be considered, more importantly need consider the security and the harmony of construction, the operation of current railway line and the guarantee of driving and passenger's safety can not be blocked in the process of construction, consequently, traditional portal and construction can't satisfy these special construction environment.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a bridge capping beam construction method in a riding railway line environment, which comprises the following specific steps:
1) track with detachable installation
A detachable track is arranged along the walking direction;
2) installation-adjustable movable support portal system
Installing a walking system for controlling the gantry to walk on the track, wherein the walking system comprises a pair of trolley groups, and each trolley group comprises two trolleys and a trolley equalizing beam arranged between the two trolleys;
the gantry supporting legs are used for supporting the gantry cross beams and are detachably connected with the trolley equalizing beams;
3) mounting portal beam
A gantry beam is arranged at the upper part of the gantry supporting leg;
4) running and in-position
The gantry is driven to run on the track through the trolley set and runs to a specified construction position all the time;
5) capping construction
And finishing the pouring of the cover beam on the portal.
The trolleys on the two tracks run at the same frequency in a straight line section to realize the integral running of the portal system, and the trolleys on the tracks on the same side run at the same frequency in a curved line section and the trolleys on different tracks run at different frequencies.
Under the condition that the spaces on two sides of the walking track are insufficient, the gantry beam is telescopic, and the method comprises the following specific steps:
the portal beam comprises a main beam, a transverse connection frame and a telescopic beam;
the main beam and the telescopic beam are respectively 2, and the cross-linking frame is
The telescopic beams are arranged on two sides of the transverse connection frame, and a main beam is arranged on the other side of each telescopic beam;
the telescopic beam is driven by a driving device arranged on the main beam and the transverse connection frame to extend and retract.
On the basis of the scheme, the main beam comprises a main beam frame, and two ends of the main beam frame are respectively provided with a main beam driving device, a main beam gear driven by the main beam driving device and a main beam guide wheel;
two ends of the transverse connection frame are respectively provided with two transverse connection driving devices and transverse connection gears driven by the transverse connection driving devices (3-21); the two sides of the transverse connection frame are provided with transverse connection guide wheels;
the telescopic beam comprises a telescopic beam frame, racks and a guide channel steel, wherein the racks and the guide channel steel are arranged on two sides of the telescopic beam frame; one of the two racks is matched with the main beam gear, and the other rack is matched with the cross gear; one of the two pilot channel steel is matched with the main beam pilot wheel, and the other pilot channel steel is matched with the transverse connection pilot wheel.
On the basis of the scheme, in the walking process, the lifting and descending of the portal beam are realized by controlling the height of the portal supporting legs; specifically, the method comprises the following steps: the gantry supporting legs comprise frame supporting legs, fixed frames, hydraulic oil cylinders, jacking cross beams, guide columns and brackets;
the lower end of the frame supporting leg is detachably connected with the walking system, and the upper end of the frame supporting leg is detachably connected with the bottom of the fixed frame;
the cylinder bottom of the hydraulic cylinder is detachably connected with the lower part of the fixed frame, and the cylinder cover is detachably connected with the upper part of the fixed frame;
a piston rod of the hydraulic oil cylinder is detachably connected with the jacking cross beam;
the two ends of the jacking cross beam are provided with cross beam pin holes, the fixed frame is provided with fixed pin holes, and the guide pillar is provided with a plurality of guide pillar pin holes; the beam pin hole and the fixing pin hole are respectively matched with the guide pillar pin hole for use.
On the basis of the scheme, when the landing legs of the portal frame are jacked up, the telescopic rods of the hydraulic oil cylinders are in a retracted state, the jacking cross beams and the guide pillars are fixed through the cross beam pin holes and the guide pillar pin holes by using the pin shafts, meanwhile, the pin shafts in the fixed pin holes are pulled out, the telescopic rods of the hydraulic oil cylinders are operated to extend out to drive the guide pillars to ascend, when the guide pillars ascend to a specified height, the pin shafts in the cross beam pin holes are pulled out, the telescopic rods of the hydraulic oil cylinders are retracted, and the jacking cross beams move downwards; then repeating the above operations; and finally jacking the gantry beam to a proper position through the gantry supporting legs.
The method can realize the running of the portal system on the straddling railway line, and the transverse length of the portal beam can be adjusted according to the actual construction environment in the running process; but also the height adjustment in the vertical direction. The construction method can meet the construction of various complex environments, such as special complex construction environments and road sections in dense urban areas of operation railways, sections of buildings too close to bridge positions, small-radius curve sections and the like, and has good construction safety and coordination.
Drawings
The advantages and benefits of the present invention will become apparent to those of ordinary skill in the art upon reading the following detailed description of the specific embodiments. The drawings are illustrative and not to be considered as limiting the invention. In the drawings:
FIG. 1 is a schematic structural view (along the track) of an adjustable mobile support gantry system according to the method of the present invention;
FIG. 2 is a schematic view of the construction (perpendicular to the track) of the adjustable mobile support gantry system of the method of the present patent;
FIG. 3 is a schematic view (perpendicular to the track) of the construction of the gantry beam of the adjustable mobile support gantry system of the method of the present patent;
FIG. 4 is a schematic view of a main beam structure of the adjustable mobile support gantry system according to the method of the present invention;
FIG. 5 is an enlarged schematic view of portion A of FIG. 3;
FIG. 6 is an enlarged schematic view of portion B of FIG. 3;
FIG. 7 is a schematic view of the two trolley sets of the adjustable mobile support gantry system of the method of the present patent;
FIG. 8 is a schematic view of a trolley set of the adjustable mobile support gantry system of the method of the present patent;
FIG. 9 is a schematic view of the structure of the trolley of the adjustable mobile support gantry system of the method of the present patent;
FIG. 10 is a perspective view structural schematic diagram of a trolley of the adjustable mobile support gantry system of the method of the present patent;
FIG. 11 is a schematic diagram of the construction of the mast legs of the adjustable mobile support mast system of the method of the present patent;
FIG. 12 is a schematic view of the adjustable mobile support gantry system of the method of the present patent showing the gantry legs on the same side rail;
FIG. 13 is a schematic structural view (from a perspective) of a steering system of the adjustable mobile support gantry system of the method of the present patent;
fig. 14 is a schematic view (another perspective view) of the steering system of the adjustable mobile support gantry system according to the method of this patent;
FIG. 15 is a schematic view of the rotary shaft of the steering system of the adjustable mobile support mast system of the method of the present patent;
FIG. 16 is a schematic diagram illustrating the use of the steering system of the adjustable mobile support mast system in the method of the present patent.
Detailed Description
The following examples are presented to illustrate the technical solutions of the present invention. It should be noted that the following examples do not limit the scope of the claimed invention.
A bridge bent cap construction method under a riding railway line environment comprises the following specific steps:
1) track with detachable installation
A detachable track is arranged along the walking direction;
2) mounting adjustable mobile support gantry system (as shown in figure 1 and figure 2)
A walking system 1 for controlling the gantry to walk on the rail is installed, the walking system 1 comprises a pair of trolley sets, and each trolley set comprises two trolleys 1-1 and a trolley equalizing beam 1-2 arranged between the two trolleys 1-1;
the gantry supporting legs 2 are used for supporting a gantry beam 3, and the gantry supporting legs 2 are detachably connected with trolley equalizing beams 1-2;
as shown in particular in fig. 7, 8, 9 and 10;
3) mounting portal beam 3
A gantry beam 3 is arranged at the upper part of the gantry supporting leg 2;
4) running and in-position
The gantry is driven to travel on the track through the trolley set and always travels to a specified construction position;
5) capping construction
And finishing the pouring of the cover beam on the portal.
Specifically, the method comprises the following steps: the trolley 1-1 comprises a trolley body 1-11, motors 1-12, speed reducers 1-13, driving wheels 1-14, driven wheels 1-15 and rail clamps 1-3; a walking beam 1-4 is arranged between the two trolley groups positioned on the same side.
In the walking process of the step 4), the trolleys 1-1 positioned on the two tracks run at the same frequency in a straight line section to realize the integral walking of the portal system, and the trolleys 1-1 positioned on the tracks at the same side run at the same frequency in a curve section while the trolleys 1-1 positioned on different tracks run at different frequencies.
In the running process of the system, if the system is in an open field, the span of the portal beam 3 can be designed into a fixed span size according to actual needs, but a lot of construction environments do not allow the span of the portal beam 3 to be too large, such as dense urban areas and too close road sections of buildings to bridge positions, and in this time, the traditional portal system cannot meet the construction environment, so that the patent provides an effective solution. The gantry beam 3 is designed to be telescopic, as shown in fig. 3-6, specifically:
the portal beam 3 comprises a main beam 3-1, a cross-linked frame 3-2 and a telescopic beam 3-3;
2 main beams 3-1 and 2 telescopic beams 3-3 are respectively arranged, and the transverse connection frame 3-2 is in the shape of a frame
The telescopic beams 3-3 are arranged on two sides of the transverse connection frame 3-2, and main beams 3-1 are arranged on the other sides of the telescopic beams 3-3;
the telescopic beams 3-3 are driven by driving devices arranged on the main beams 3-1 and the transverse frames 3-2 to realize the extension and retraction of the telescopic beams 3-3.
On the basis of the scheme, the main beam 3-1 comprises a main beam frame 3-11, two ends of the main beam frame 3-11 are respectively provided with a main beam driving device 3-12, a main beam gear 3-13 driven by the main beam driving device 3-12 and a main beam guide wheel 3-14;
two ends of the transverse connection frame 3-2 are respectively provided with two transverse connection driving devices 3-21 and transverse connection gears 3-22 driven by the transverse connection driving devices 3-21; two sides of the transverse connection frame 3-2 are provided with transverse connection guide wheels 3-23;
the telescopic beam 3-3 comprises a telescopic beam frame 3-31, racks 3-32 arranged on two sides of the telescopic beam frame 3-31 and a pilot channel steel 3-33; one of the two racks 3-32 is matched with the main beam gear 3-13, and the other rack is matched with the cross gear 3-22; one of the two pilot channel steel 3-33 is matched with the main beam pilot wheel 3-14, and the other is matched with the cross pilot wheel 3-23.
The extending process of the telescopic beam 3-3 at one end of the gantry beam 3 is as follows: the main beam driving device 3-12 and the transverse connection driving device 3-21 are started to respectively drive the main beam gear 3-13 and the transverse connection gear 3-22 to rotate, and the main beam gear 3-13 and the transverse connection gear 3-22 are respectively matched with racks 3-32 arranged on two sides of the telescopic beam frame 3-31, so that the extension of the two telescopic beams 3-3 is realized; in the extending process, in order to prevent the telescopic girder from deviating, main girder guide wheels 3-14 on the main girder 3-1 and transverse connection guide wheels 3-23 on the transverse connection frame 3-2 are respectively matched with guide channel steel 3-33 arranged on two sides of the telescopic girder frame 3-31, so as to assist in guiding the telescopic girder 3-3 in the extending process.
The retraction process is similar to the extension process and will not be described further herein.
In the walking process, the lifting and descending of the gantry beam 3 are realized by controlling the height of the gantry support legs 2; as shown in fig. 11, specifically: the gantry supporting legs 2 comprise frame supporting legs 2-1, fixed frames 2-2, hydraulic oil cylinders 2-3, jacking cross beams 2-4, guide columns 2-5 and brackets 2-6;
the lower end of the frame supporting leg 2-1 is detachably connected with a trolley equalizing beam 1-2 of a trolley group of the walking system 1, and the upper end of the frame supporting leg is detachably connected with the bottom of the fixed frame 2-2;
the bottom of the hydraulic oil cylinder 2-3 is detachably connected with the lower part of the fixed frame 2-2, and the cylinder cover is detachably connected with the upper part of the fixed frame 2-2;
a piston rod of the hydraulic oil cylinder 2-3 is detachably connected with the jacking cross beam 2-4;
the two ends of the jacking cross beam 2-4 are provided with cross beam pin holes 2-41, the fixed frame 2-2 is provided with fixed pin holes 2-21, and the guide post 2-5 is provided with a plurality of guide post pin holes 2-51; the cross beam pin holes 2-41 and the fixing pin holes 2-51 are respectively matched with the guide post pin holes 2-51 for use.
When the portal support leg 2 is jacked up, the telescopic rod of the hydraulic oil cylinder 2-3 is in a retracted state, the jacking cross beam 2-4 and the guide post 2-5 are fixed through the cross beam pin hole 2-41 and the guide post pin hole 2-51 by using a pin shaft, meanwhile, the pin shaft in the fixed pin hole 2-21 is pulled out, the telescopic rod of the hydraulic oil cylinder 2-3 is operated to extend out, the guide post 2-5 is driven to ascend, when the guide post ascends to a certain degree (1 pin shaft hole pitch or 2 pin shaft hole pitches), the pin shaft is inserted into the fixed pin hole 2-21, then the pin shaft in the cross beam pin hole 2-41 is pulled out, the telescopic rod of the hydraulic oil cylinder 2-3 is retracted, and the jacking cross beam 2-4 moves downwards; then repeating the above operation, when the rising height is too high (generally higher than 4 pin hole pitches), additionally arranging a connecting frame 2-7 between the two guide posts; finally the gantry beam 3 is lifted into position by the gantry legs 2.
In the non-running state of the gantry, the stability of the gantry system is kept as much as possible for safety, therefore, the gantry support legs 2 further comprise auxiliary support legs 2-8, and the auxiliary support legs 2-8 are arranged at the bottom of the fixed frame 2-2.
In the traveling process, the gantry system can realize the traveling of the gantry on the track, the height adjustment and the stretching of the gantry beam, in the actual construction process, the traveling track of the movable gantry system is not perpendicular to the cover beam (to be built), so that one side of the gantry (or the gantry beam 3) cannot be normally in place after traveling and in place, and for the condition, the jack is mostly used for pushing the gantry beam 3 to place the gantry beam 3 in the prior art, but the gantry beam 3 has large weight and great adjustment difficulty, and in the adjustment process, the gantry supporting leg 2 can be unstable; on the basis of the scheme, the invention provides a scheme for realizing the oblique rotation of the portal beam 3 of the portal by +/-5 degrees.
Specifically, as shown in fig. 12 to 15, the steering system 4 is added in step 2); the steering system 4 comprises a main beam tray 4-1 for placing a main beam 3-1, a leg support 4-2 detachably connected with the door frame leg support 2 and a jack 4-4;
the main beam tray 4-1 comprises a tray platform 4-11 and an enclosure 4-12 formed by extending the edge of the tray platform 4-11 to the direction vertical to the plane of the tray platform 4-11; the supporting leg frame 4-2 is arranged in a rotary stop groove 4-13 surrounded by the tray platform 4-11 and the enclosure 4-12, and the main beam tray 4-1 is rotatably connected with the supporting leg frame 4-2 through a rotating shaft 4-3; the enclosure 4-12 is used for stopping the excessive rotation of the leg support 4-2 and preventing the rotation angle from exceeding 6 degrees;
the jacks 4-4 are perpendicular to the main beam 3-1 and comprise first jacks 4-41 and second jacks 4-42, and the first jacks 4-41 and the second jacks 4-42 are respectively arranged on two sides of the rotating shaft 4-3 and are parallel to each other; the extending direction of the piston rod of the first jack 4-41 is opposite to the extending direction of the piston rod of the second jack 4-42; piston rods of the first jack 4-41 and the second jack 4-42 are connected with the leg support 4-2, and the cylinder body is connected with the main beam 3-1.
The pallet platform 4-11 is provided with a through hole 4-13, and the end parts of the piston rods of the first jack 4-41 and the second jack 4-42 penetrate through the through hole 4-13 to be connected with the leg support 4-2.
In order to prevent the main beam tray 4-1 and the leg support 4-2 from rotating freely, a rotating shaft fixing block 4-5 for rotating the rotating shaft 4-3 is arranged on the main beam tray 4-1, a fixing block inserting hole 4-51 is arranged on the rotating shaft fixing block 4-5, a rotating shaft hole 4-31 matched with the fixing block inserting hole 4-51 is arranged on the rotating shaft 4-3, and the rotating shaft 4-3 is locked and released by inserting and pulling out a fixing pin (not shown in the figure).
As shown in fig. 16 (the lower view is the state before rotation, and the upper view is the state after the whole is in place), when in use: after the landing leg 2 of the portal frame at one side (the portal frame at the right side in the figure) travels in place, the landing leg at the side (the portal frame at the right side in the figure) in place is locked with a traveling track by using a locking mechanism (the invention uses a rail clamping device 1-3), and meanwhile, the restriction of a steering system at the changed side is relieved (specifically, a fixing pin inserted into a fixing block insertion hole 4-51 and a rotating shaft hole 4-31 is pulled out); and then, the constraint of the steering system on the other side (the left side in the figure) is released, the support legs are slowly walked, four jacks of the steering system 4 on the two rails are adjusted, and the main beam is rotated to be in place by utilizing a couple formed by the jacks.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A bridge bent cap construction method in a riding railway line environment is characterized by comprising the following specific steps:
1) track with detachable installation
A detachable track is arranged along the walking direction;
2) installation-adjustable movable support portal system
A walking system (1) used for controlling the gantry to walk on the rail is installed, the walking system (1) comprises a pair of trolley sets, and each trolley set comprises two trolleys (1-1) and a trolley equalizing beam (1-2) arranged between the two trolleys (1-1);
the gantry supporting legs (2) are used for supporting the gantry cross beams (3), and the gantry supporting legs (2) are detachably connected with the trolley equalizing beams (1-2);
3) mounting door frame beam (3)
A gantry beam (3) is arranged at the upper part of the gantry supporting leg (2);
4) running and in-position
The gantry is driven to travel on the track through the trolley set and always travels to a specified construction position;
5) capping construction
And finishing the pouring of the cover beam on the portal.
2. The bridge cap beam construction method under the riding railway line environment according to claim 1, characterized in that trolleys (1-1) positioned on two tracks run at the same frequency in a straight line section to realize the integral running of a portal system, trolleys (1-1) positioned on the same side track run at the same frequency in a curved line section, and trolleys (1-1) positioned on different tracks run at different frequencies.
3. The bridge capping beam construction method under the riding railway line environment according to claim 1, wherein under the condition that the space on two sides of the running track is insufficient, the gantry beam (3) is telescopic, specifically:
the portal beam (3) comprises a main beam (3-1), a cross-linked frame (3-2) and a telescopic beam (3-3);
the number of the main beams (3-1) and the number of the telescopic beams (3-3) are respectively 2, and the cross-linked frames (3-2) are
The telescopic beams (3-3) are arranged on two sides of the transverse connection frame (3-2), and main beams (3-1) are arranged on the other sides of the telescopic beams (3-3);
the telescopic beam (3-3) is driven by a driving device arranged on the main beam (3-1) and the transverse connection frame (3-2) to realize the extension and retraction of the telescopic beam (3-3).
4. The construction method of the bridge cap beam under the riding railway line environment according to claim 3,
the main beam (3-1) comprises a main beam frame (3-11), two ends of the main beam frame (3-11) are respectively provided with a main beam driving device (3-12), a main beam gear (3-13) driven by the main beam driving device (3-12) and a main beam guide wheel (3-14);
two ends of the transverse connection frame (3-2) are respectively provided with two transverse connection driving devices (3-21) and transverse connection gears (3-22) driven by the transverse connection driving devices (3-21); two sides of the transverse connection frame (3-2) are provided with transverse connection guide wheels (3-23);
the telescopic beam (3-3) comprises a telescopic beam frame (3-31), racks (3-32) arranged on two sides of the telescopic beam frame (3-31) and a guide channel steel (3-33); one of the two racks (3-32) is matched with the main beam gear (3-13) for use, and the other rack is matched with the cross gear (3-22) for use; one of the two pilot channel steels (3-33) is matched with the main beam pilot wheel (3-14) for use, and the other pilot channel steel is matched with the cross pilot wheel (3-23) for use.
5. The bridge capping beam construction method under the riding railway line environment is characterized in that in the walking process, the lifting and descending of the gantry beam (3) are realized by controlling the height of the gantry support legs (2); specifically, the method comprises the following steps: the gantry supporting legs (2) comprise frame supporting legs (2-1), fixed frames (2-2), hydraulic oil cylinders (2-3), jacking cross beams (2-4), guide columns (2-5) and brackets (2-6);
the lower ends of the frame supporting legs (2-1) are detachably connected with the walking system (1), and the upper ends of the frame supporting legs are detachably connected with the bottom of the fixed frame (2-2);
the bottom of the hydraulic oil cylinder (2-3) is detachably connected with the lower part of the fixed frame (2-2), and the cylinder cover is detachably connected with the upper part of the fixed frame (2-2);
a piston rod of the hydraulic oil cylinder (2-3) is detachably connected with the jacking cross beam (2-4);
beam pin holes (2-41) are formed in two ends of the jacking beam (2-4), fixing pin holes (2-21) are formed in the fixing frame (2-2), and a plurality of guide post pin holes (2-51) are formed in the guide post (2-5); the beam pin holes (2-41) and the fixing pin holes (2-51) are respectively matched with the guide pillar pin holes (2-51).
6. The construction method of the bridge cap beam under the riding railway line environment according to claim 1,
when the portal support leg (2) is jacked up, the telescopic rod of the hydraulic oil cylinder (2-3) is in a retracted state, the jacking cross beam (2-4) and the guide post (2-5) are fixed by using a pin shaft through the cross beam pin hole (2-41) and the guide post pin hole (2-51), meanwhile, the pin shaft in the fixing pin hole (2-21) is pulled out, the telescopic rod of the hydraulic oil cylinder (2-3) is operated to extend out to drive the guide post (2-5) to ascend, when the guide post ascends to a specified height, the pin shaft in the cross beam pin hole (2-41) is pulled out to retract the telescopic rod of the hydraulic oil cylinder (2-3), and the jacking cross beam (2-4) moves downwards; then repeating the above operations; and finally, jacking the gantry beam (3) to a proper position through the gantry supporting legs (2).
7. The construction method of the bridge cap beam under the riding railway line environment according to claim 1, characterized in that in the walking process, if a walking track of the movable gantry system is not perpendicular to the cap beam to be built, so that one side of the gantry can not be normally in place after walking in place, a steering system (4) is additionally arranged in the step 2); the steering system (4) comprises a main beam tray (4-1) for placing a main beam (3-1) and a supporting leg frame (4-2) detachably connected with the supporting leg (2) of the door frame;
the main beam tray (4-1) comprises a tray platform (4-11) and a fence (4-12) formed by extending the edge of the tray platform (4-11) to the direction vertical to the plane of the tray platform (4-11); the supporting leg frame (4-2) is arranged in a rotary stop groove (4-13) defined by the tray platform (4-11) and the enclosure (4-12), and the main beam tray (4-1) is rotatably connected with the supporting leg frame (4-2) through a rotating shaft (4-3); the enclosure (4-12) is used for stopping the over-rotation of the supporting leg frame (4-2).
8. The construction method of the bridge cap beam in the riding railway line environment according to claim 7, wherein the steering system (4) further comprises a jack (4-4);
the jacks (4-4) are perpendicular to the main beam (3-1) and comprise first jacks (4-41) and second jacks (4-42), and the first jacks (4-41) and the second jacks (4-42) are respectively arranged on two sides of the rotating shaft (4-3) and are parallel to each other; the extension direction of the piston rod of the first jack (4-41) is opposite to that of the piston rod of the second jack (4-42); piston rods of the first jacks (4-41) and the second jacks (4-42) are connected with the supporting leg frame (4-2), and the cylinder body is connected with the portal cross beam (3).
9. The construction method for the bridge cap beam in the riding railway line environment is characterized in that through holes (4-13) are formed in the tray platform (4-11), and the end parts of piston rods of the first jacks (4-41) and the second jacks (4-42) penetrate through the through holes (4-13) to be connected with the leg support (4-2).
10. The construction method of the bridge cap beam in the riding railway line environment according to claim 7, wherein a rotating shaft fixing block (4-5) for rotating a rotating shaft (4-3) is arranged on the main beam tray (4-1), a fixing block inserting hole (4-51) is arranged on the rotating shaft fixing block (4-5), and a rotating shaft hole (4-31) matched with the fixing block inserting hole (4-51) is arranged on the rotating shaft (4-3).
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106968179A (en) * | 2017-04-17 | 2017-07-21 | 中铁七局集团第三工程有限公司 | A kind of overall falsework method of use self-propelled carries out the constructing device of Cast-in-situ Beam |
| CN107326755A (en) * | 2017-08-30 | 2017-11-07 | 中铁局集团有限公司 | A kind of subway work portable power source formula track laying machine |
| CN207608833U (en) * | 2017-12-11 | 2018-07-13 | 中铁十六局集团第一工程有限公司 | One kind is across the rigid structure movable hydraulic support stand of both cable spaces |
| JP2018115440A (en) * | 2017-01-17 | 2018-07-26 | 第一建設工業株式会社 | Elastic ballast track laying device and elastic ballast track laying method |
| CN110847045A (en) * | 2019-11-20 | 2020-02-28 | 成都建工路桥建设有限公司 | Large-spread-arm bent cap self-propelled portal template system for urban viaduct and construction method |
| CN110886229A (en) * | 2019-12-12 | 2020-03-17 | 张俊中 | Track laying device of bridge girder erection machine and implementation method |
| CN211547401U (en) * | 2019-12-27 | 2020-09-22 | 泰安昌业机械设备有限公司 | Gate-type mound bent cap construction trolley |
-
2022
- 2022-03-07 CN CN202210214821.XA patent/CN114575258B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018115440A (en) * | 2017-01-17 | 2018-07-26 | 第一建設工業株式会社 | Elastic ballast track laying device and elastic ballast track laying method |
| CN106968179A (en) * | 2017-04-17 | 2017-07-21 | 中铁七局集团第三工程有限公司 | A kind of overall falsework method of use self-propelled carries out the constructing device of Cast-in-situ Beam |
| CN107326755A (en) * | 2017-08-30 | 2017-11-07 | 中铁局集团有限公司 | A kind of subway work portable power source formula track laying machine |
| CN207608833U (en) * | 2017-12-11 | 2018-07-13 | 中铁十六局集团第一工程有限公司 | One kind is across the rigid structure movable hydraulic support stand of both cable spaces |
| CN110847045A (en) * | 2019-11-20 | 2020-02-28 | 成都建工路桥建设有限公司 | Large-spread-arm bent cap self-propelled portal template system for urban viaduct and construction method |
| CN110886229A (en) * | 2019-12-12 | 2020-03-17 | 张俊中 | Track laying device of bridge girder erection machine and implementation method |
| CN211547401U (en) * | 2019-12-27 | 2020-09-22 | 泰安昌业机械设备有限公司 | Gate-type mound bent cap construction trolley |
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