CN212426786U - Beam moving device for box beam longitudinal moving erection construction - Google Patents
Beam moving device for box beam longitudinal moving erection construction Download PDFInfo
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- CN212426786U CN212426786U CN202020561826.6U CN202020561826U CN212426786U CN 212426786 U CN212426786 U CN 212426786U CN 202020561826 U CN202020561826 U CN 202020561826U CN 212426786 U CN212426786 U CN 212426786U
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Abstract
The utility model relates to a case roof beam indulges to move erects technical field of construction, discloses a case roof beam indulges to move erects construction with moving roof beam device, including setting up side by side two rail-carrying roof beams subaerial and being used for controlling the rail-carrying roof beam and indulging the stroke mechanism who moves, still include the detachable setting and carry the roof beam portal and set up the support jack at pier stud top in the case below the case roof beam, carry the roof beam portal and be door shape setting and quantity and be two, two carry the roof beam portal symmetry and set up the both ends at the case roof beam, carry and be equipped with the fixed establishment that is used for fixed connection to carry the roof beam portal and case roof beam on the back, two bottoms that carry the roof beam portal all set firmly and are used for driving and carry the roof beam portal along the walking subassembly that the rail-carrying roof beam indulges, support jack and case roof beam. The utility model discloses have and still can be convenient indulge in the limit for height region and move the case roof beam, make things convenient for the case roof beam to indulge and move the effect of erectting the construction.
Description
Technical Field
The utility model belongs to the technical field of the technique of construction is erect in the case roof beam indulges moving, and especially, relate to the case roof beam indulges moving and erects construction with moving roof beam device.
Background
The existing bridge construction comprises two parts, namely pier column pouring and box girder erection, wherein the erection areas between the box girders and two adjacent pier columns are arranged in a one-to-one correspondence mode, and the box girder erection is a process of erecting the box girders between the two adjacent pier columns. The existing box girder erection is realized through a bridge girder erection machine which is arranged above a pier and lifts and hangs the box girder, and after the box girder is longitudinally moved to a position right above a designated pier interval, the box girder is slowly released to be abutted against the top of the pier from high to low, so that the erection process of a single box girder is realized. After the bridge girder erection machine longitudinally moves on the bridge pier, the erection process of a single box girder is repeated, so that the box girder erection is realized.
When the bridge construction area intersects with the area of the power line, the power line crosses the area above the bridge pier, and the power line interferes with a bridge girder erection machine for construction. If the box girder longitudinal movement and the box girder erection are still carried out by adopting the bridge girder erection machine, the power line must be dismantled, and after the box girder erection is finished, the power line is reset and reset.
Therefore, in the above case, the longitudinal movement of the box girder is troublesome, and the longitudinal movement and erection construction of the box girder is inconvenient.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a case roof beam indulges to move erects construction with moving roof beam device, can conveniently indulge to move the case roof beam and accomplish the case roof beam and erect, and the height in required pier stud top space is low.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the beam moving device for box beam longitudinal moving erection construction comprises two rail-bearing beams arranged on the ground side by side, a stroke mechanism for controlling the rail-bearing beams to longitudinally move, a beam-carrying portal frame detachably and fixedly arranged below the box beams and supporting jacks arranged at the tops of pier columns, wherein the beam-carrying portal frame is arranged in a portal shape and is two in number, the two beam-carrying portal frames are symmetrically arranged at two ends of the box beams, the beam-carrying portal frame is provided with a fixing mechanism for fixedly connecting the beam-carrying portal frame and the box beams, two bottom ends of the beam-carrying portal frame are respectively and fixedly provided with a walking assembly for driving the beam-carrying portal frame to longitudinally move along the rail-bearing beams, and the supporting jacks are abutted to the box beams and lift the box beams until the walking assemblies are separated from the rail-bearing beams.
By adopting the technical scheme, the two girder-carrying door frames and the box girder are fixed by the fixing mechanism before the longitudinal movement of the box girder is started, the walking component is abutted against the rail-bearing beam at the moment, the girder-carrying door frame is driven by the walking component to longitudinally move along the rail-bearing beam, the girder-carrying door frame drives the box girder to longitudinally move to one end of the rail-bearing beam, the box girder and the girder-carrying door frame are supported and lifted by the supporting jack, after the rail-bearing beam is longitudinally moved by the stroke mechanism, the box girder and the girder-carrying door frame are moved downwards until the walking component is abutted against the rail-bearing beam, the operations are repeated until the box girder is longitudinally moved to a specified position, the box girder and the girder-carrying door frame are disassembled after the longitudinal movement of the box girder, the fixed construction of the box girder erection can be carried out, the longitudinal movement of the rail-bearing beam enables the girder moving device to be used for the longitudinal movement of the box girder with any stroke, the girder-carrying door frame which drives the displacement of the girder-carrying door frame and other parts are all arranged below the box girder-bearing beam frame, the box girder is longitudinally moved and erected conveniently.
The present invention may be further configured in a preferred embodiment as: the fixing mechanism comprises two fixing pieces which are detachably and fixedly arranged on the box girder, the two fixing pieces are symmetrically arranged on two sides of the box girder, and the fixing pieces are fixedly connected with the girder-carrying portal frame through electric guide chains.
By adopting the technical scheme, the box girder and the girder-carrying portal frame are fixedly connected through the electric guide chain and the fixing piece, the disassembly and the installation are convenient, and when the box girder is fixed by retracting and releasing the electric guide chain, the girder-carrying portal frame can be suspended below the box girder and the distance between the box girder and the girder-carrying portal frame can be adjusted, the girder-carrying portal frame can be suspended and moved down to the ground, then the girder-carrying portal frame and the electric guide chain are detached, and the construction is more convenient.
The present invention may be further configured in a preferred embodiment as: the beam carrying portal frame comprises a portal upper cross frame and adjusting support legs respectively sleeved on two bottom ends of the upper cross frame, adjusting steel pins horizontally penetrate through the adjusting support legs, and a plurality of adjusting holes for the adjusting steel pins to insert are vertically arranged on the two bottom ends of the upper cross frame.
By adopting the technical scheme, the relative positions of the adjusting support legs and the door-shaped upper transverse frame can be adjusted by adjusting the steel pins and the adjusting holes, the total height and the supporting height of the girder-carrying portal frame can be adjusted, when the height of the pier column on the longitudinal moving path of the box girder changes, a constructor can always keep the inner peripheral bottom edge of the door-shaped lower transverse frame higher than the top surface of the pier column, and the girder-carrying portal frame drives the box girder to longitudinally move stably.
The present invention may be further configured in a preferred embodiment as: the walking assembly comprises walking trolleys fixedly arranged at the two bottom ends of the beam-carrying gantry respectively, walking wheels of the walking trolleys are arranged in an I shape matched with the top of the rail-bearing beam, and the walking trolleys are driven by a motor to move.
By adopting the technical scheme, the walking wheels rotate to drive the beam carrying portal to move along the rail bearing beam, so that the operation is simple and the displacement effect is good.
The present invention may be further configured in a preferred embodiment as: and a plurality of transverse connection reinforcing rods are detachably and fixedly arranged between the rail bearing beams.
Through adopting above-mentioned technical scheme, two support rail roof beams of cross-linking stiffener transverse connection effectively prevent two support rail roof beams skew mutually and influence the support of support rail roof beam to the case roof beam and the guide effect that the case roof beam indulged and move, and the cross-linking stiffener can be installed and removed with the support rail roof beam, does not influence the support rail roof beam and indulges and move, construction convenience.
The present invention may be further configured in a preferred embodiment as: the transverse connection reinforcing rods are divided into three groups, wherein the length directions of two groups of transverse connection reinforcing rods are parallel to the width direction of the rail supporting beams and are respectively and horizontally erected between the upper parts of the two rail supporting beams and between the lower parts of the two rail supporting beams, and the vertical projection of the other group of transverse connection reinforcing rods on the ground and the projection of the transverse connection reinforcing rods on the opposite side walls of the rail supporting beams along the width direction of the rail supporting beams are inclined.
Through adopting above-mentioned technical scheme, three group's crossbeam stiffeners are consolidated from different position respectively and are connected two support rail roof beams, effectively prevent the local or whole deformation of support rail roof beam, and strengthen the compressive strength of two support rail roof beams through slant traction force and support counter-force.
The present invention may be further configured in a preferred embodiment as: the bearing rail beam is provided with a butt wood plate in a clamping mode between the bearing rail beam and the pier stud, and a wedge wood for fixing the position of the butt wood plate is arranged between the butt wood plate and the pier stud in a clamping mode.
Through adopting above-mentioned technical scheme, the wood wedge makes the fixed state of butt plank block controllable, and wood wedge and butt plank all can be installed and removed conveniently, and butt plank and wood wedge are opposite to the direction of the horizontal traction force of horizontal antithetical couplet stiffener to the pressure direction of support rail roof beam, constitute two-way spacing, and support rail roof beam relative displacement or support rail roof beam further reduce for the possibility of pier stud displacement, and the case roof beam is indulged and is moved more stably.
The present invention may be further configured in a preferred embodiment as: the inside cavity of support rail roof beam just vertically is provided with the reinforcement steel sheet.
Through adopting above-mentioned technical scheme, the total weight of support rail roof beam reduces and effectively reduces the degree of difficulty that the support rail roof beam indulges and move, and does not influence support rail roof beam to the case roof beam and guide effect.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the box girder is driven to move longitudinally by the longitudinally movable girder-carrying portal frame, the longitudinally movable girder-carrying portal frame is guided to move longitudinally by the rail-bearing girder, the infinite extension of the guide stroke is realized by the longitudinally movable rail-bearing girder, most components of the girder moving device are arranged below the box girder, the box girder can be moved longitudinally in a height-limited area conveniently, and the construction of longitudinally moving and erecting the box girder is convenient;
2. the adjustment of the total height of the door frame of the girder carrying is realized through the adjusting holes, the adjusting steel pins and the sleeving structure of the upper cross frame and the adjusting supporting legs, and the box girder is conveniently driven to span pier columns with different heights so as to realize the longitudinal movement of the box girder.
Drawings
Fig. 1 is a schematic view of the overall structure of the embodiment.
Fig. 2 is a schematic structural diagram of a fixing mechanism of an embodiment.
FIG. 3 is a cross-sectional view of a particular embodiment of an internal structure for a rail beam.
FIG. 4 is a schematic structural view of a cross-link reinforcement bar according to an embodiment.
Fig. 5 is a partially enlarged schematic view of a portion a in fig. 4.
In the figure, 1, a support rail beam; 11. reinforcing the steel plate; 12. a transverse-connection reinforcing rod; 13. abutting against the wood board; 14. wedging wood; 2. a stroke mechanism; 21. a winch; 3. a fixing mechanism; 31. a fixing member; 32. an electric guide chain; 4. carrying a beam gantry; 41. an upper transverse frame; 411. an adjustment hole; 42. adjusting the support legs; 421. adjusting the steel pin; 5. pier studs; 51. supporting the jack; 6. a walking assembly; 61. a traveling trolley; 7. and (4) a box girder.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a case roof beam indulges to move erects construction with moving roof beam device, including setting up two metal system support rail roof beams 1 subaerial side by side, three pier stud 5 settings are indulged to support rail roof beam 1, still including being used for controlling the stroke mechanism 2 that support rail roof beam 1 indulged and move. The travel mechanism 2 in this embodiment is a winch 21, and the longitudinal movement of the rail supporting beam 1 is realized by the connection between the rail supporting beam 1 and a traction steel cable of the winch 21 and the retraction of the traction steel cable by the winch 21.
Referring to fig. 2, the lifting device further comprises a girder-carrying portal frame 4 fixed below the box girder 7 and supporting jacks 51 fixed on the tops of the pillars 5, and two supporting jacks 51 are symmetrically arranged on the top of each pillar 5. The door frame 4 for carrying the beam is arranged in a door shape in the vertical plane, the two ends of the single box beam 7 in the length direction are fixedly provided with the door frame 4 for carrying the beam, the door frame 4 for carrying the beam is provided with a fixing mechanism 3 for a constructor to conveniently disassemble and assemble the box beam 7 and the door frame 4 for carrying the beam, and the constructor can adjust the distance between the box beam 7 and the door frame 4 for carrying the beam when fixedly connecting the box beam 7 and the door frame 4. Two bottom ends of the door frame 4 for carrying the beam are fixedly provided with walking components 6 for driving the door frame 4 for carrying the beam to move longitudinally along the track beam 1, and the distance between the two bottom ends of the door frame 4 for carrying the beam is larger than the width of the pier stud 5.
Referring to fig. 2, the door frame 4 of the back-carrying beam comprises a door-shaped upper cross frame 41 and adjusting legs 42 respectively sleeved on two bottom ends of the upper cross frame 41, a plurality of adjusting steel pins 421 horizontally penetrate through the adjusting legs 42, and the adjusting steel pins 421 are all arranged in a stepped shaft shape with the axis parallel to the width direction of the back-carrying beam 1. The adjusting steel pin 421 is vertically arranged on the side where the two adjusting legs 42 are away from each other. A plurality of adjusting holes 411 are arranged on the two bottom ends of the upper cross frame 41 corresponding to the adjusting steel pins 421, and the adjusting holes 411 horizontally penetrate through the bottom end of the upper cross frame 41 and are vertically arranged. The number of the adjusting holes 411 is larger than that of the adjusting steel pins 421, the adjusting steel pins 421 penetrate through the adjusting holes 411 and the adjusting support legs 42 at the same time in a normal state, and the total height of the girder-bearing door frame 4 is fixed.
Referring to fig. 2, the walking assembly 6 includes a walking trolley 61 fixed at the bottom of the adjusting leg 42, and a plurality of walking wheels are rotatably connected to the walking trolley 61 and driven by a motor to rotate. The walking wheels are arranged in an I shape, when the box girder 7 longitudinally moves along the rail bearing girder 1, the walking wheels are embedded with the upper part of the rail bearing girder 1, and the rail bearing girder 1 synchronously longitudinally moves along with the rotation of the walking wheels. When the supporting jack 51 is abutted to the bottom surface of the box girder 7 and the box girder 7 is lifted until the traveling wheels are separated from the rail bearing girder 1, the rotation of the traveling wheels, the longitudinal movement of the box girder 7 and the longitudinal movement of the rail bearing girder 1 are relatively independent and do not interfere with each other.
Referring to fig. 2, the fixing mechanism 3 includes two fixing members 31 detachably fixed to the box girder 7, and the two fixing members 31 are symmetrically disposed on both sides of the box girder 7. The fixing member 31 in this embodiment is disposed in an L shape in the vertical plane, the free end of the L-shaped horizontal side line penetrates through the box girder 7 from the inside to the outside of the box girder 7, and the electric guide chain 32 is fixed, and the free end of the L-shaped vertical side line is abutted to the inner top surface of the box girder 7. The electric guide chain 32 is positioned outside the box girder 7 and fixedly connected with the fixing member 31 and the top of the upper cross frame 41.
The constructor passes through the fixing piece 31 on the box girder 7, fixes the two ends of the electric guide chain 32 with the fixing piece 31 and the top of the upper cross frame 41 respectively, tightens the electric guide chain 32 until the distance between the box girder 7 and the upper cross frame 41 is the minimum value, and fixes the box girder 7 and the upper cross frame 41 together. At this time, the top heights of the supporting jacks 51 are all lower than the door-shaped inner peripheral bottom edge of the door-shaped upper cross frame 41, and the traveling wheels are abutted and embedded with the track supporting beam 1. The motor drives the travelling wheels to rotate, the travelling trolley 61 drives the girder-carrying portal frame 4 to displace along the rail-bearing beam 1, and the box beam 7 is driven to longitudinally move to the end part of the rail-bearing beam 1. At the moment, the two ends of the box girder 7 are positioned above the corresponding pier studs 5, the box girder 7 is supported and lifted through the supporting jacks 51, the walking trolley 61 is driven to move upwards to be separated from the rail bearing beam 1, the traction steel cable is retracted and wound through the winch 21 to longitudinally move the rail bearing beam 1, and when the rail bearing beam 1 longitudinally moves to the next longitudinal movement section of the box girder 7, the rail bearing beam 1 stops moving and longitudinally moves through self weight and friction force.
When the height of the pier stud 5 in the next longitudinal movement interval of the box girder 7 is changed, the box girder 7 is moved downwards through the supporting jack 51 until the walking wheels are embedded with the top of the track bearing beam 1, and the adjusting steel pin 421 is pulled out to enable the upper cross frame 41 and the adjusting support leg 42 to vertically and relatively slide. The upper cross frame 41 is driven to move up or down by the retraction and support jack 51 of the electric guide chain 32, the overall height of the girder-carrying portal frame 4 is changed, and the relative positions of the upper cross frame 41 and the adjusting support legs 42 are fixed by inserting the adjusting steel pins 421 into the corresponding adjusting holes 411. And then the supporting jack 51 and the box girder 7 are separated, and the girder-carrying portal frame 4 and the box girder 7 are driven to longitudinally move by the traveling trolley 61 again.
When the height of the pier stud 5 in the downward movement and longitudinal movement interval of the box girder 7 is not changed, the box girder 7 is moved downward through the supporting jack 51 until the walking wheel is embedded with the top of the rail bearing beam 1, the supporting jack 51 and the box girder 7 are separated, and the walking trolley 61 drives the girder carrying portal frame 4 and the box girder 7 to move longitudinally again.
And circularly repeating the processes of longitudinally moving the box girder 7, lifting the box girder 7, longitudinally moving the rail bearing girder 1 and downwardly moving the box girder 7 until the box girder 7 is displaced to a specified erection interval, thereby completing the longitudinal movement construction of the box girder 7.
Referring to fig. 3, in order to reduce the difficulty in longitudinal movement of the rail supporting beam 1, the rail supporting beam 1 is hollow, reinforcing steel plates 11 are vertically and fixedly arranged inside the rail supporting beam 1, and the number of the reinforcing steel plates 11 is a plurality and is arranged along the length direction of the rail supporting beam 1. In this embodiment, the reinforcing steel plate 11 is formed by welding a plurality of plates, and is fixed to the inner top surface, the inner bottom surface, and an inner side wall of the track beam 1, thereby forming a truss support structure. In another embodiment, the number and arrangement positions of the reinforcing steel plates 11 may be changed according to the support requirements. The total mass of the bearing rail beam 1 is reduced, the reinforcing steel plate 11 prevents the bearing rail beam 1 from deforming, the bearing rail beam 1 supports and guides the box beam 7 to move longitudinally stably, and the bearing rail beam 1 is convenient to move longitudinally.
Referring to fig. 4, in order to prevent the two rail supporting beams 1 from relatively displacing, a plurality of cross-linked reinforcing rods 12 are detachably and fixedly arranged between the rail supporting beams 1 through bolts and nuts. The transverse connection reinforcing rods 12 are all erected between the two rail bearing beams 1, and the transverse connection reinforcing rods 12 are divided into three groups. The length direction of two groups of transverse connection reinforcing rods 12 is parallel to the width direction of the rail bearing beam 1, and the two groups of transverse connection reinforcing rods 12 are respectively erected between the upper parts of the two rail bearing beams 1 and between the lower parts of the two rail bearing beams 1. The other group of transverse connection reinforcing rods 12 are obliquely erected, one end of each group of transverse connection reinforcing rods 12 is fixedly arranged at the upper part of one rail bearing beam 1, the other end of each group of transverse connection reinforcing rods 12 is fixedly arranged at the lower part of the other rail bearing beam 1, and an included angle is formed between the vertical projection of each group of transverse connection reinforcing rods 12 on the ground and the width direction of each rail bearing beam 1.
Referring to fig. 5, an abutment plank 13 is interposed between the rail beam 1 and the pier stud 5, and a wedge plank 14 is interposed between the abutment plank 13 and the pier stud 5. The wedge wood 14 and the abutting wood plates 13 are arranged in a one-to-one correspondence mode, and the two abutting wood plates 13 are vertically arranged between the rail bearing beam 1 and the pier stud 5.
When the bearing rail beam 1 supports and guides the box beam 7 to move longitudinally, the transverse connection reinforcing rod 12 is fixedly connected with the two bearing rail beams 1, the compression strength of the two bearing rail beams 1 is enhanced, the two bearing rail beams 1 are prevented from deforming away from each other, the stability of the door frame 4 for carrying the box beam 7 supported by the bearing rail beams 1 is good, and the box beam 7 is stable to move longitudinally. The abutting wood plates 13 and the wedge wood 14 enable the clamping counter force between the pier stud 5 and the rail bearing beam 1 and the tensile force of the cross beam reinforcing rod to form bidirectional limiting, and the stability of the fixing of the rail bearing beam 1 at the normal lower position is better. And the use stability of the rail bearing beam 1 can be further enhanced through the energy dissipation and the shock absorption of the wood material, and the possibility that the pier stud 5 is damaged by the impact of the two rail bearing beams 1 is reduced.
The transverse connection reinforcing rod 12, the abutting wood plate 13 and the wedge wood 14 are disassembled before the longitudinal movement of the rail bearing beam 1 starts, after the longitudinal movement of the rail bearing beam 1 is finished, the transverse beam reinforcing rod is reset, the abutting wood plate 13 is placed between the rail bearing beam 1 and the corresponding pier stud 5, and the abutting wood plate 13 is clamped and fixed through the wedge wood 14. The reinforcing structure consisting of the beam reinforcing rod, the abutting wood plate 13 and the wedge wood 14 can be conveniently disassembled and assembled, the longitudinal movement of the box girder 7 and the bearing rail girder 1 is not influenced, and the construction is convenient.
The implementation principle of the embodiment is as follows: the box girder 7 is supported and lifted by the girder carrying portal frame 4, the girder carrying portal frame 4 is driven by the walking assembly 6 to drive the box girder 7 to longitudinally move, the box girder 7 is guided to longitudinally move by the rail bearing beam 1, the box girder 7 is lifted by the supporting jack 51, the girder carrying portal frame 4 and the walking assembly 6 are lifted by the supporting jack 51, the rail bearing beam 1 is longitudinally moved by the stroke mechanism 2, the walking assembly 6 is reset by the supporting jack 51, the operation is repeated again to realize continuous longitudinal movement of the box girder 7, the longitudinal movement stroke is controllable, the longitudinal movement is convenient, and the longitudinal movement of the box girder 7 is convenient to erect.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The box girder indulges to move erects construction with moving roof beam device, its characterized in that: comprises two rail bearing beams (1) arranged on the ground side by side, a stroke mechanism (2) used for controlling the longitudinal movement of the rail bearing beams (1), a beam carrying portal (4) detachably and fixedly arranged below a box beam (7) and a supporting jack (51) arranged at the top of a pier column (5), the two beam carrying portal frames (4) are arranged in a portal shape and are two in number, the two beam carrying portal frames (4) are symmetrically arranged at the two ends of the box girder (7), the beam carrying gantry (4) is provided with a fixing mechanism (3) for fixedly connecting the beam carrying gantry (4) and the box beam (7), two bottom ends of the beam-carrying portal (4) are respectively fixedly provided with a walking component (6) for driving the beam-carrying portal (4) to longitudinally move along the rail-carrying beam (1), the support jack (51) is abutted to the box girder (7) and lifts the box girder (7) until the walking assembly (6) is separated from the rail bearing girder (1), and the movement of the rail bearing girder (1) and the girder bearing portal (4) is relatively independent.
2. The beam moving device for the box girder longitudinal moving erection construction according to claim 1, wherein: the fixing mechanism (3) comprises two fixing pieces (31) detachably and fixedly arranged on the box girder (7), the two fixing pieces (31) are symmetrically arranged on two sides of the box girder (7), and the fixing pieces (31) are fixedly connected with the girder-carrying portal frame (4) through electric guide chains (32).
3. The beam moving device for the box girder longitudinal moving erection construction according to claim 2, wherein: the beam carrying portal frame (4) comprises a portal-shaped upper transverse frame (41) and adjusting support legs (42) which are respectively sleeved on two bottom ends of the upper transverse frame (41), adjusting steel pins (421) horizontally penetrate through the adjusting support legs (42), and a plurality of adjusting holes (411) for inserting the adjusting steel pins (421) are vertically arranged on the two bottom ends of the upper transverse frame (41).
4. The beam moving device for the box girder longitudinal moving erection construction according to claim 1, wherein: the walking assembly (6) comprises walking trolleys (61) fixedly arranged at the two bottom ends of the beam-carrying gantry (4), walking wheels of the walking trolleys (61) are arranged in an I shape matched with the top of the rail-bearing beam (1), and the walking trolleys (61) are driven by a motor to move.
5. The beam moving device for the box girder longitudinal moving erection construction according to claim 1, wherein: a plurality of cross-linked reinforcing rods (12) are detachably and fixedly arranged between the rail bearing beams (1).
6. The beam moving device for the box girder longitudinal moving erection construction according to claim 5, wherein: the transverse connection reinforcing rods (12) are divided into three groups, wherein the length directions of the two groups of transverse connection reinforcing rods (12) are parallel to the width direction of the rail bearing beam (1), the transverse connection reinforcing rods are respectively and horizontally erected between the upper parts of the two rail bearing beams (1) and between the lower parts of the two rail bearing beams (1), and the other group of transverse connection reinforcing rods (12) are inclined in the vertical projection on the ground and the projection on the opposite side walls of the rail bearing beams (1) along the width direction of the rail bearing beams (1).
7. The beam moving device for the box girder longitudinal moving erection construction according to claim 5, wherein: press from both sides between support rail roof beam (1) and pier stud (5) and be equipped with butt plank (13), press from both sides between butt plank (13) and pier stud (5) and be equipped with wedge wood (14) that are used for fixed butt plank (13) position.
8. The beam moving device for the box girder longitudinal moving erection construction according to claim 1, wherein: the rail supporting beam (1) is hollow and is vertically provided with a reinforced steel plate (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020561826.6U CN212426786U (en) | 2020-04-16 | 2020-04-16 | Beam moving device for box beam longitudinal moving erection construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020561826.6U CN212426786U (en) | 2020-04-16 | 2020-04-16 | Beam moving device for box beam longitudinal moving erection construction |
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| Publication Number | Publication Date |
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| CN212426786U true CN212426786U (en) | 2021-01-29 |
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| CN202020561826.6U Active CN212426786U (en) | 2020-04-16 | 2020-04-16 | Beam moving device for box beam longitudinal moving erection construction |
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