CN217460326U - Movable welding platform for steel box girder cantilever - Google Patents
Movable welding platform for steel box girder cantilever Download PDFInfo
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- CN217460326U CN217460326U CN202221284489.6U CN202221284489U CN217460326U CN 217460326 U CN217460326 U CN 217460326U CN 202221284489 U CN202221284489 U CN 202221284489U CN 217460326 U CN217460326 U CN 217460326U
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Abstract
The utility model discloses a movable welding platform for a steel box girder cantilever, which comprises an overhanging support frame (1), a lifting component, a platform frame (3), a platform plate (4), a transverse moving component and an electromagnet (12); the cantilever support frame is arranged at the top of the steel box girder, and the electromagnet is arranged at one end of the cantilever support frame and adsorbs the steel box girder; the upper part of the lifting component is connected with the other end of the overhanging support frame, and the lower part of the lifting component is connected with a pair of transverse moving components, so that the pair of transverse moving components can be arranged below the other end of the overhanging support frame in a lifting way through the lifting component; a pair of lateral shifting subassembly is established on a pair of platform frame, makes lateral shifting subassembly and the relative lateral shifting of platform frame be connected, and the landing slab is connected between a pair of platform frame, makes the landing slab be located steel box girder lateral part or below. The utility model discloses can set up the platform that is used for welding operation in side and the below of steel case roof beam to satisfy the welding demand of different positions and high department.
Description
Technical Field
The utility model relates to a steel case roof beam welding auxiliary assembly especially relates to a movable welded platform for steel case roof beam cantilever.
Background
The steel box girder is also called a steel plate box girder, is a common structural form of a large-span bridge, and is mostly welded, but the steel box girder has a large volume, and a scaffold or an operation platform needs to be lapped to assist welding operation during welding, so that time and labor are wasted, and the processing and installation progress of the steel box girder is influenced. Meanwhile, because the length of the traditional steel box girder is long, the scaffold can not be flexibly moved according to the welding position during welding, the scaffold or the operation platform needs to be overlapped again when welding operation is carried out at different positions, a large amount of man-hours and manpower are consumed, and the construction progress is seriously influenced.
Disclosure of Invention
An object of the utility model is to provide a movable welded platform for steel box girder cantilever can set up the platform that is used for the welding operation in side and the below of steel box girder to satisfy the welding demand of different positions and high department.
The utility model discloses a realize like this:
a movable welding platform for a steel box girder cantilever comprises a cantilever support frame, a lifting assembly, a platform frame, a platform plate, a transverse moving assembly and an electromagnet; the cantilever support frame is arranged at the top of the steel box girder, and the electromagnet is arranged at one end of the cantilever support frame and can be adsorbed at the top of the steel box girder; the upper part of the lifting component is connected with the other end of the cantilever support frame, and the lower part of the lifting component is connected with the pair of transverse moving components, so that the pair of transverse moving components can be arranged below the other end of the cantilever support frame in a lifting manner through the lifting component; a pair of lateral shifting subassembly corresponds the setting respectively on a pair of platform frame, makes lateral shifting subassembly and the relative lateral shifting formula of platform frame be connected, and the landing slab is connected between a pair of platform frame, makes the landing slab be located the lateral part or the below of steel box girder.
The lifting assembly comprises a lifting suspender, a lifter, a steel wire rope and a synchronizing shaft; a plurality of lifting sleeves are formed at the other end of the cantilever support frame, and a plurality of lifting suspenders respectively penetrate through the lifting sleeves correspondingly; the pair of hoists are respectively arranged on the plurality of lifting sleeves, and driving shafts of the pair of hoists are coaxially connected through a synchronizing shaft; one ends of the pair of steel wire ropes are respectively wound and connected to the driving shafts of the pair of hoists, and the other ends of the pair of steel wire ropes are respectively and correspondingly connected to the pair of transverse moving components, so that the transverse moving components can be arranged below the lifting sleeve in a lifting manner through the hoists through the steel wire ropes.
The transverse moving assembly comprises a transverse sliding sleeve, a transverse sliding rod and a sliding hydraulic cylinder; the steel wire rope is connected with the middle part of the transverse sliding sleeve, the transverse sliding rod penetrates through the transverse sliding sleeve, the transverse sliding rod is in an inverted U-shaped structure and is fixedly arranged above the platform frame, and a sliding groove is formed between the transverse sliding rod and the platform frame; the sliding hydraulic cylinder is arranged in the sliding groove and fixed at the bottom of the transverse sliding sleeve, and the output end of the sliding hydraulic cylinder is connected with one end of the transverse sliding rod.
The cantilever support frame in be equipped with flexible hydraulic stem, the one end of cantilever support frame is pegged graft and is had the expansion bracket, the expansion bracket is connected with flexible hydraulic stem's output, makes the one end of expansion bracket and the one end retractable of the support frame of encorbelmenting be connected.
The other end of the telescopic frame is provided with an adsorption hydraulic rod, the adsorption hydraulic rod is perpendicular to the top surface of the steel box girder, and the output end of the adsorption hydraulic rod is connected with the electromagnet, so that the electromagnet can be arranged above the steel box girder in a lifting mode through the adsorption hydraulic rod.
The bottom interval of the support frame of encorbelmenting be equipped with a plurality of and remove the wheel, the support frame of encorbelmenting removes the top surface sliding contact of wheel and steel box girder through a plurality of.
The cantilever support frame on be equipped with the balancing weight, the balancing weight is located the one end that lifting unit was kept away from to the support frame of encorbelmenting.
The face that a pair of landing shelf set up relatively on all be formed with the slide rail, the one end both sides of extending the platform are slidable respectively and are pegged graft in the slide rail, but make the horizontal sliding type setting of extending the platform between a pair of landing shelf and lay on the landing slab.
The other end of the extension platform is provided with a folded edge, the outer end face of the folded edge is provided with a walking support wheel, and the walking support wheel can be in sliding contact with the side end face of the steel box girder;
the bottom of the platform plate is provided with an extension hydraulic cylinder, and the output end of the extension hydraulic cylinder is connected with the inner end face of the folded edge of the extension platform.
The top of a plurality of lifting suspenders is respectively provided with a limiting block, and the length and the width of the limiting block are respectively greater than those of the lifting sleeve.
Compared with the prior art, the utility model, following beneficial effect has:
1. the utility model discloses owing to be equipped with the support frame of encorbelmenting, the flexible and stable setting of balancing weight of support frame accessible expansion bracket encorbelments is at the top of steel box girder to adsorb on the steel box girder through the electro-magnet, set up for the stability of steel box girder with guaranteeing whole movable welded platform, thereby guarantee the balance and the stability of landing slab, have easy dismounting, remove advantages such as nimble simultaneously, the welding operation of the steel box girder of being convenient for.
2. The utility model discloses owing to be equipped with the landing slab and extend the platform, can promote to extend the platform through hydraulic pressure and slide along the slide rail for increase welded platform's usable area, bearing capacity is strong, can extend to the lateral wall department of steel box girder, also can extend in the bottom of steel box girder, in order to satisfy the steel box girder welding demand of different positions department.
3. The utility model discloses owing to be equipped with lifting unit, can be through wire rope's coiling and release pulling landing slab and be elevating movement to the not co-altitude position department welding requirement of steel box girder can be satisfied to the height of having guaranteed the landing slab.
Drawings
FIG. 1 is a use state diagram of the movable welding platform for the steel box girder cantilever of the present invention;
fig. 2 is a perspective view (top view) of the movable welding platform for steel box girder cantilever of the present invention;
fig. 3 is a perspective view (bottom view angle) of the movable welding platform for the steel box girder cantilever of the present invention.
In the figure, 1, a cantilever support frame, 2, a lifting suspender, 3, a platform frame, 4, a platform plate, 5, a balancing weight, 6, a moving wheel, 7, a transverse sliding sleeve, 8, a transverse sliding rod, 9, a telescopic frame, 10, a telescopic hydraulic rod, 11, an adsorption hydraulic rod, 12, an electromagnet, 13, a lifting machine, 14, a steel wire rope, 15, a synchronizing shaft, 16, a sliding rail, 17, an extension platform, 18, an extension hydraulic cylinder, 19, a sliding hydraulic cylinder, 20, a walking support wheel, 21, a limiting block, 22 and a lifting sleeve.
Detailed Description
The invention will be further explained with reference to the drawings and the specific embodiments.
Referring to fig. 1 to 3, a movable welding platform for a steel box girder cantilever comprises a cantilever support frame 1, a lifting assembly, a platform frame 3, a platform plate 4, a transverse moving assembly and an electromagnet 12; the cantilever support frame 1 is arranged at the top of the steel box girder, and the electromagnet 12 is arranged at one end of the cantilever support frame 1 and can be adsorbed at the top of the steel box girder; the upper part of the lifting assembly is connected to the other end of the cantilever support frame 1, and the lower part of the lifting assembly is connected with a pair of transverse moving assemblies, so that the pair of transverse moving assemblies can be arranged below the other end of the cantilever support frame 1 in a lifting manner through the lifting assembly; a pair of lateral shifting subassembly corresponds the setting respectively on a pair of platform frame 3, makes lateral shifting subassembly and the relative lateral shifting formula of platform frame 3 be connected, and the landing slab 4 is connected between a pair of platform frame 3, makes landing slab 4 be located the lateral part or the below of steel box girder. Support frame 1 encorbelments produces magnetism after 12 circular telegrams through electro-magnets and inhales and adsorb in the top of steel box girder, guarantees the stability of support frame 1 encorbelments to stably prop up landing slab 4 and establish side or below at the steel box girder, landing slab 4 is used for providing the space of standing for the constructor. Utilize lifting unit to realize that platform frame 3 rises or descends, utilize the lateral shifting subassembly to realize the relative lifting unit's of platform frame 3 lateral shifting, realize the upper and lower left and right sides position control of landing slab 4 to satisfy the welding demand of the steel box girder of different positions, not co-altitude department.
The lifting assembly comprises a lifting suspender 2, a lifter 13, a steel wire rope 14 and a synchronizing shaft 15; a plurality of lifting sleeves 22 are formed at the other end of the overhanging support frame 1, and a plurality of lifting suspenders 2 respectively and correspondingly penetrate through the lifting sleeves 22; the pair of hoists 13 are respectively arranged on the plurality of lifting sleeves 22, and driving shafts of the pair of hoists 13 are coaxially connected through a synchronizing shaft 15; one ends of the pair of wire ropes 14 are respectively wound and connected to the driving shafts of the pair of hoists 13, and the other ends of the pair of wire ropes 14 are respectively and correspondingly connected to the pair of transverse moving components, so that the transverse moving components can be arranged below the lifting sleeve 22 in a lifting manner through the hoists 13 via the wire ropes 14. The hoister 13 can adopt a small motor, and a driving shaft of the hoister 13 can wind or release the steel wire rope 14 when rotating, so that the transverse moving assembly is pulled by the steel wire rope 14 to lift relative to the lifting sleeve 22, and the height of the platform plate 4 is adjusted. The synchronizing shaft 15 prevents the pair of traverse assemblies from being lifted out of synchronism in height, which would cause the deck plate 4 to tilt.
The transverse moving assembly comprises a transverse sliding sleeve 7, a transverse sliding rod 8 and a sliding hydraulic cylinder 19; the steel wire rope 14 is connected with the middle part of the transverse sliding sleeve 7, the transverse sliding rod 8 penetrates through the transverse sliding sleeve 7, the transverse sliding rod 8 is in an inverted U-shaped structure and is fixedly arranged above the platform frame 3, and a sliding groove is formed between the transverse sliding rod 8 and the platform frame 3; the sliding hydraulic cylinder 19 is arranged in the sliding groove and fixed at the bottom of the transverse sliding sleeve 7, and the output end of the sliding hydraulic cylinder 19 is connected with one end of the transverse sliding rod 8. After the sliding hydraulic cylinder 19 is electrified and started, the transverse sliding sleeve 7, the transverse sliding rod 8 and the platform frame 3 can be pushed to slide relatively, so that the horizontal position of the platform plate 4 relative to the overhanging support frame 1 is adjusted, and further the horizontal position adjustment between the platform plate 4 and the steel box girder is realized.
The cantilever support frame 1 in be equipped with flexible hydraulic stem 10, the one end of cantilever support frame 1 is pegged graft and is had expansion bracket 9, expansion bracket 9 is connected with flexible hydraulic stem 10's output, makes the one end of expansion bracket 9 and the one end retractable of cantilever support frame 1 be connected. Can promote the 9 lateral shifting of expansion bracket after flexible hydraulic stem 10 circular telegram starts, the support frame 1 of encorbelmenting can be prolonged to expansion bracket 9, can increase the stability that sets up of landing slab 4 through the length that increases the support frame 1 of encorbelmenting.
The other end of the telescopic frame 9 is provided with an adsorption hydraulic rod 11, the adsorption hydraulic rod 11 is perpendicular to the top surface of the steel box girder, and the output end of the adsorption hydraulic rod 11 is connected with the electromagnet 12, so that the electromagnet 12 can be arranged above the steel box girder in a lifting manner through the adsorption hydraulic rod 11. After the adsorption hydraulic rod 11 is electrified and started, the electromagnet 12 can be pushed to ascend or descend, and the electromagnet 12 can be descended after the cantilever support frame 1 moves in place, so that the steel box girder can be adsorbed by the electromagnet.
The bottom interval of the support frame 1 of encorbelmenting be equipped with a plurality of and remove wheel 6, the support frame 1 of encorbelmenting removes the top surface sliding contact of wheel 6 and steel box girder through a plurality of, is convenient for encorbelment the removal of the relative steel box girder of support frame 1, can not fish tail the top surface of steel box girder simultaneously.
Encorbelmenting support frame 1 on be equipped with balancing weight 5, balancing weight 5 is located the one end that lifting unit was kept away from to encorbelment support frame 1, further improves the stability and the balance of encorbelmenting support frame 1 on the steel box girder through the counter weight.
The opposite surfaces of the pair of platform frames 3 are all provided with slide rails 16, and two sides of one end of the extension platform 17 are respectively inserted into the slide rails 16 in a sliding manner, so that the extension platform 17 can be transversely arranged between the pair of platform frames 3 in a sliding manner and laid on the platform plate 4. The extension platform 17 is limited by the slide rail 16, and the extension platform 17 slides stably and cannot tip over.
The other end of the extension platform 17 is provided with a folded edge, the outer end face of the folded edge is provided with a walking supporting wheel 20, the walking supporting wheel 20 can be in sliding contact with the side end face of the steel box girder, and the extension platform 17 can be prevented from scratching the side wall of the steel box girder.
The bottom of the platform plate 4 is provided with an extension hydraulic cylinder 18, and the output end of the extension hydraulic cylinder 18 is connected with the inner end face of the folded edge of the extension platform 17. The extension hydraulic cylinder 18 can push the extension platform 17 to slide along the slide rail 16 relative to the platform plate 4 after being electrified and started, and is used for adjusting the area and the position of the platform plate 4 which can be used by workers, so that the requirements of steel box girder welding operation at different positions are met.
The tops of the plurality of lifting suspenders 2 are respectively provided with a limiting block 21, the length and the width of the limiting block 21 are respectively greater than those of the lifting sleeve 22, and the lifting suspenders 2 can be prevented from falling off from the lifting sleeve 22 through the limiting blocks 21.
Referring to fig. 1 to fig. 3, the using method of the present invention is:
will encorbelment support frame 1 and slide along the top surface of steel box girder through removing wheel 6, make landing slab 4 and extension platform 17 can be located the side of steel box girder or the required welded horizontal position department in below, the circular telegram starts to adsorb the hydraulic stem, promote electro-magnet 12 to steel box girder top surface downwards under the promotion of hydraulic oil, electro-magnet 12 circular telegram produces magnetism and makes it firmly adsorb on the steel box girder, arrange balancing weight 5 in simultaneously on the support frame 1 that encorbelments in to the relative fixation of support frame 1 and steel box girder of guaranteeing to encorbelment. The telescopic hydraulic rod 10 is started by electrifying, the telescopic frame 9 is pushed to move outwards under the driving of hydraulic oil, and therefore the cantilever support frame 1 is kept stable and balanced on the steel box girder with larger width.
The pair of hoists 13 are started by electrifying and synchronously rotate under the transmission of the synchronous shaft 15, so that the pair of steel wire ropes 14 are respectively wound on the driving shafts of the pair of hoists 13 or released from the driving shafts of the pair of hoists 13, and the transverse sliding sleeve 7 is pulled to ascend or descend relative to the cantilever supporting frame 1, so that the heights of the platform plate 4 and the extension platform 17 are adjusted, and the heights of constructors on the platform plate 4 and the extension platform 17 are positioned at the welding operation position. The lifting boom 2 slides in the lifting sleeve 22 to ensure stable lifting.
A pair of sliding hydraulic cylinders 19 of the transverse sliding assembly are electrified and started, and a transverse sliding rod 8 is pushed to slide relative to a transverse sliding sleeve 7 under the driving of hydraulic oil, so that the horizontal positions of the platform plate 4 and the extension platform 17 are further adjusted, and the welding operation requirement of constructors is ensured.
During welding operation, the extension hydraulic cylinder 18 can be started by electrifying, the extension platform 17 is pushed under the driving of hydraulic oil, the extension platform 17 extends outwards, and the area of the platform plate 4 is enlarged to meet the operation requirement. The extension platform 17 slides along the slide rail 16, and has stable sliding and strong bearing capacity. When extension platform 17 is located steel box girder side, accessible walking supporting wheel 20 and steel box girder lateral wall sliding contact avoid removing the utility model discloses time extension platform 17's hem causes the damage of drawing to steel box girder lateral wall.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, therefore, any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides a movable welded platform for steel box girder cantilever which characterized by: comprises an overhanging support frame (1), a lifting component, a platform frame (3), a platform plate (4), a transverse moving component and an electromagnet (12); the cantilever support frame (1) is arranged at the top of the steel box girder, and the electromagnet (12) is arranged at one end of the cantilever support frame (1) and can be adsorbed at the top of the steel box girder; the upper part of the lifting assembly is connected to the other end of the cantilever support frame (1), and the lower part of the lifting assembly is connected with a pair of transverse moving assemblies, so that the pair of transverse moving assemblies can be arranged below the other end of the cantilever support frame (1) in a lifting manner through the lifting assembly; a pair of lateral shifting subassembly corresponds the setting respectively on a pair of platform frame (3), makes lateral shifting subassembly and the relative lateral shifting formula of platform frame (3) be connected, and landing slab (4) are connected between a pair of platform frame (3), makes landing slab (4) be located the lateral part or the below of steel box girder.
2. The movable welding platform for the steel box girder cantilever according to claim 1, wherein: the lifting assembly comprises a lifting suspender (2), a lifter (13), a steel wire rope (14) and a synchronizing shaft (15); a plurality of lifting sleeves (22) are formed at the other end of the cantilever support frame (1), and a plurality of lifting suspenders (2) respectively penetrate through the plurality of lifting sleeves (22); the pair of lifting machines (13) are respectively arranged on the plurality of lifting sleeves (22), and driving shafts of the pair of lifting machines (13) are coaxially connected through a synchronizing shaft (15); one ends of the pair of steel wire ropes (14) are respectively wound and connected on the driving shafts of the pair of hoists (13), the other ends of the pair of steel wire ropes (14) are respectively and correspondingly connected on the pair of transverse moving components, and the transverse moving components are arranged below the lifting sleeve (22) in a lifting manner through the hoists (13) through the steel wire ropes (14).
3. The movable welding platform for the steel box girder cantilever according to claim 2, wherein: the transverse moving assembly comprises a transverse sliding sleeve (7), a transverse sliding rod (8) and a sliding hydraulic cylinder (19); the steel wire rope (14) is connected with the middle part of the transverse sliding sleeve (7), the transverse sliding rod (8) penetrates through the transverse sliding sleeve (7), the transverse sliding rod (8) is of an inverted U-shaped structure and is fixedly arranged above the platform frame (3), and a sliding groove is formed between the transverse sliding rod (8) and the platform frame (3); the sliding hydraulic cylinder (19) is arranged in the sliding groove and fixed at the bottom of the transverse sliding sleeve (7), and the output end of the sliding hydraulic cylinder (19) is connected with one end of the transverse sliding rod (8).
4. The movable welding platform for the steel box girder cantilever according to claim 1 or 2, wherein: the cantilever support frame (1) in be equipped with flexible hydraulic stem (10), the one end of cantilever support frame (1) is pegged graft and is had expansion bracket (9), expansion bracket (9) are connected with the output of flexible hydraulic stem (10), make the one end of expansion bracket (9) and the one end retractable of cantilever support frame (1) be connected.
5. The movable welding platform for the steel box girder cantilever according to claim 4, wherein: the other end of expansion bracket (9) be equipped with adsorb hydraulic stem (11), adsorb hydraulic stem (11) and perpendicular with the top surface of steel box girder, the output and electromagnet (12) of adsorbing hydraulic stem (11) are connected, make electromagnet (12) through adsorbing hydraulic stem (11) liftable formula setting in the top of steel box girder.
6. The movable welding platform for the steel box girder cantilever according to claim 4, wherein: the bottom interval of the cantilever support frame (1) is provided with a plurality of moving wheels (6), and the cantilever support frame (1) is in sliding contact with the top surface of the steel box girder through the plurality of moving wheels (6).
7. The movable welding platform for the steel box girder cantilever according to claim 6, wherein: the cantilever support frame (1) on be equipped with balancing weight (5), balancing weight (5) are located cantilever support frame (1) and keep away from the one end of lifting unit.
8. The movable welding platform for the steel box girder cantilever according to claim 1, wherein: the face that a pair of platform frame (3) set up relatively on all be formed with slide rail (16), the one end both sides of extending platform (17) are the slidable respectively and are pegged graft in slide rail (16), make extending platform (17) transversely slidable formula set up between a pair of platform frame (3) and lay on landing slab (4).
9. The movable welding platform for the steel box girder cantilever according to claim 8, wherein: the other end of the extension platform (17) is provided with a folded edge, the outer end face of the folded edge is provided with a walking support wheel (20), and the walking support wheel (20) can be in sliding contact with the side end face of the steel box girder;
the bottom of the platform plate (4) is provided with an extension hydraulic cylinder (18), and the output end of the extension hydraulic cylinder (18) is connected with the inner end face of the folded edge of the extension platform (17).
10. The movable welding platform for the steel box girder cantilever according to claim 2, wherein: the tops of the plurality of lifting hanging rods (2) are respectively provided with a limiting block (21), and the length and the width of the limiting block (21) are respectively greater than those of the lifting sleeve (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221284489.6U CN217460326U (en) | 2022-05-25 | 2022-05-25 | Movable welding platform for steel box girder cantilever |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221284489.6U CN217460326U (en) | 2022-05-25 | 2022-05-25 | Movable welding platform for steel box girder cantilever |
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| Publication Number | Publication Date |
|---|---|
| CN217460326U true CN217460326U (en) | 2022-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221284489.6U Active CN217460326U (en) | 2022-05-25 | 2022-05-25 | Movable welding platform for steel box girder cantilever |
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| CN (1) | CN217460326U (en) |
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2022
- 2022-05-25 CN CN202221284489.6U patent/CN217460326U/en active Active
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