CN213867371U - A top pushes away handle device for lifting by crane case roof beam - Google Patents
A top pushes away handle device for lifting by crane case roof beam Download PDFInfo
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- CN213867371U CN213867371U CN202021958065.4U CN202021958065U CN213867371U CN 213867371 U CN213867371 U CN 213867371U CN 202021958065 U CN202021958065 U CN 202021958065U CN 213867371 U CN213867371 U CN 213867371U
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Abstract
The utility model discloses a top pushing lifting beam device for lifting box girders, which is used for pushing the box girders to a preset position and comprises an assembling platform, an assembling platform and a plurality of vertical supporting devices, wherein the assembling platform is provided with a horizontal bearing surface and is supported at the bottom of the bearing surface, and the bearing surface is used for bearing a plurality of box girders and assembling the box girders; the beam lifting station comprises a steel structure body horizontally suspended above the bearing surface and a plurality of sliding support legs for supporting the steel structure body; the sliding support legs at least comprise two pairs of front guide beams and rear guide beams which are respectively positioned at the two sides of the steel structure body, and the front guide beams and the rear guide beams are arranged at the starting end of the splicing platform and are used for connecting the box girder; a front leg and a rear leg for supporting the steel frame structure; and the plurality of anti-sideslip devices are respectively arranged at the bottoms of each front supporting leg and each rear supporting leg and are used for preventing the steel structure from generating side rollover. But wide application in case roof beam assembly device technical field.
Description
Technical Field
The utility model relates to a box girder assembling device technical field. More specifically, the utility model relates to a top pushes away handle device for lifting by crane case roof beam.
Background
In the prior art, in the case beam pushing construction, a lifting beam station is usually adopted to lift the case beam to an assembling platform for assembling, and then a guide beam is installed. The width of the lifting station is usually slightly wider than the width of the box girder so that the box girder does not interfere with the legs of the lifting station when pushing. When carrying out super wide case roof beam top pushing construction, if increase the potential safety hazard to structural stability in the aspect of the beam lifting station width by a wide margin, on the other hand is also uneconomical.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a stable in structure's top pushes away handle device for lifting by crane the case roof beam.
To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a top lifting beam device for lifting a box beam, for top lifting the box beam to a predetermined position, comprising,
the assembling platform is provided with a horizontal bearing surface and a plurality of vertical supporting devices supported at the bottom of the bearing surface, and the bearing surface is used for bearing a plurality of box girders and assembling the box girders;
the beam lifting station comprises a steel structure body horizontally suspended above the bearing surface and a plurality of sliding support legs for supporting the steel structure body;
wherein the sliding support legs at least comprise two pairs and are respectively positioned at the front part and the rear part of two sides of the steel structure body
The guide beam is arranged at the starting end of the splicing platform and used for connecting the box girder;
wherein a plurality of the vertical supporting means comprise:
at least one pair of front support legs which are symmetrically supported at one end of the steel frame structure body;
at least one pair of rear legs symmetrically supported at an end of the steel structure remote from the front legs;
a pair of center legs slidably disposed directly below the steel structure and between the front legs and the rear legs;
and the plurality of anti-sideslip devices are respectively arranged at the bottoms of each front supporting leg and each rear supporting leg and are used for preventing the steel structure from generating side rollover.
Preferably, each of the pair of center legs includes;
the hydraulic lifting device is arranged at the top of the middle supporting leg and used for adjusting the supporting height of the middle supporting leg;
the first sliding device is arranged at the bottom of the middle supporting leg.
Preferably, a plurality of the anti-sideslip devices each include:
the pair of support rails are symmetrically arranged and bear the bottoms of the sliding support legs, and the pair of support rails comprise symmetrically arranged clamping grooves which are just clamped on edges of the corresponding sides of the sliding support legs.
Preferably, the anti-sideslip device further comprises,
the L-shaped plate comprises a horizontal plate and a vertical plate which are perpendicular to each other, wherein the horizontal plate is positioned at the bottom of the supporting rail, and one side, close to the upper surface of the horizontal plate, of the vertical plate is provided with an elastic device and is abutted against the side surface of the supporting rail;
one end of the bottom of the supporting rail, which is close to the vertical plate, is hinged with the horizontal plate, and one end of the supporting rail, which is far away from the horizontal plate, penetrates through a square groove with a height along the transverse direction of the supporting rail; and by:
the connecting rod penetrates into the square groove, two ends of the connecting rod protrude out of the outer side of the square groove, and the connecting rod can move up and down in the length direction of the square groove;
the connecting bolts comprise bases fixed with the horizontal plates and connecting plates arranged on the bases, and free ends of the connecting plates are connected with the ends, protruding out of the square grooves, of the corresponding connecting rods;
in a free state, the connecting rod is positioned at the highest position in the square groove.
The utility model discloses at least, include following beneficial effect:
1. stable in structure prevents the device that sideslips through the landing leg position department that slides at the handle device for can be more stable and nimble when hoisting the case roof beam at the handle station, avoid the hoist and mount in-process to take place the displacement and turn on one's side.
2. The maximum cantilever in the box girder pushing process is reduced by arranging the guide beam, so that the stability of the whole box girder assembling process is ensured.
3. Through the hydraulic lifting device arranged at the top of the middle supporting leg, the supporting height of the middle supporting leg, the slidable arrangement of the middle supporting leg and the bottom of the steel structure body can be realized, and the position adjustment is carried out according to the center of gravity of the support of the whole steel structure body.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a front view of a pushing lifting beam device for lifting a box girder according to the present invention;
FIG. 2 is a longitudinal bridge view of the pushing lifting beam device for lifting a box girder according to the present invention;
FIG. 3 is a connecting structure diagram of the anti-sideslip device and the fixing block of the sliding support leg of the present invention;
fig. 4 is a structural diagram of the support rail, the L-shaped plate and the elastic device of the present invention;
FIG. 5 is an enlarged view of A in FIG. 4 according to the present invention;
the specification reference numbers indicate: 1. splicing platform, 2, guide beam, 3, box girder, 4, lifting beam station, 5, temporary buttress, 6, support rail, 7, clamping groove, 8, elastic device, 9, L-shaped plate, 10, fixed block, 11, square groove, 12, connecting rod, 13 and base.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
In the description of the present invention, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
As shown in fig. 1-5, a push handle device for lifting a box girder for pushing the box girder 3 to a predetermined position, comprises,
the assembling platform 1 is provided with a horizontal bearing surface and a plurality of vertical supporting devices supported at the bottom of the bearing surface, and the bearing surface is used for bearing a plurality of box girders 3 and assembling the box girders;
the lifting beam station 4 comprises a steel structure body horizontally suspended above the bearing surface and a plurality of sliding support legs for supporting the steel structure body;
the sliding support legs at least comprise two pairs of front guide beams 2 and rear guide beams 2 which are respectively positioned at two sides of the steel structure body, and the front guide beams and the rear guide beams are arranged at the starting end of the splicing platform 1 and are used for connecting the box girder 3;
wherein a plurality of the vertical supporting means comprise:
at least one pair of front support legs which are symmetrically supported at one end of the steel frame structure body;
at least one pair of rear legs symmetrically supported at an end of the steel structure remote from the front legs;
a pair of center legs slidably disposed directly below the steel structure and between the front legs and the rear legs;
and the plurality of anti-sideslip devices are respectively arranged at the bottoms of each front supporting leg and each rear supporting leg and are used for preventing the steel structure from generating side rollover.
In the technical scheme, the guide beam 2 is installed firstly, then the lifting beam station 4 is installed, and during installation, the device is lifted to a specified position through a lifting appliance for temporary limiting;
wherein, the basic support is accomplished through preceding landing leg and back landing leg in handle station 4, and the supporting force satisfies 3 hoist and mount demands of conventional case roof beam, nevertheless in order to prevent to appear heavier steel case roof beam 3 in hoist and mount process, adopts the well landing leg that can slide to support temporarily, and the time limit that increases and the change of the focus of side according to the hoist and mount is centering the landing leg and is corresponding the position and remove, guarantees whole hoist and mount process's support stability.
In another aspect, a pair of the center legs each include;
the hydraulic lifting device is arranged at the top of the middle supporting leg and used for adjusting the supporting height of the middle supporting leg;
the first sliding device is arranged at the bottom of the middle supporting leg.
In the above technical solution, the first sliding device includes a pulley and a limiting device for limiting the pulley, and the position of the pulley is limited by the limiting device after the pulley slides to the target position.
In another technical scheme, a plurality of prevent device that sideslips all includes:
the pair of support rails 6 are symmetrically arranged and bear the bottoms of the sliding support legs, and the pair of support rails 6 comprise symmetrically arranged clamping grooves 7 which are just clamped on edges of the corresponding sides of the sliding support legs.
In the technical scheme, the sliding support legs are arranged on the temporary buttress 5, the bottom of each sliding support leg is provided with the fixing block 10, the fixing blocks 10 of the sliding support legs are limited by the clamping grooves 7 formed by the pair of support rails 6, and the sliding support legs are prevented from side shifting and side turning.
In another technical scheme, the sideslip prevention device further comprises,
the L-shaped plate 9 comprises a horizontal plate and a vertical plate which are perpendicular to each other, wherein the horizontal plate is positioned at the bottom of the supporting rail 6, and one side of the vertical plate, which is close to the upper surface of the horizontal plate, is provided with an elastic device 8 and abuts against the side surface of the supporting rail 6;
one end of the bottom of the support rail 6, which is close to the vertical plate, is hinged with the horizontal plate, and one end of the support rail 6, which is far away from the horizontal plate, is provided with a square groove 11 with a height in a penetrating manner along the transverse direction of the support rail 6; and by:
a connecting rod 12 inserted into the square groove 11, wherein two ends of the connecting rod 12 protrude outside the square groove 11, and the connecting rod 12 can move up and down along the length direction of the square groove 11;
a plurality of connecting bolts, which comprise a base 13 fixed with the horizontal plate and a connecting plate arranged on the base 13, wherein the free end of the connecting plate is connected with the end part of the corresponding side connecting rod 12 protruding out of the square groove 11;
in the free state, the connecting rod 12 is located at the highest position in the square groove 11.
In the technical scheme, in the hoisting process, inevitable shaking can occur inevitably under the influence of objective factors such as hoisting equipment, natural wind power and the like, and then a part of stress is generated, so that the support rail 6 is connected in a mode of arranging the L-shaped plate 9, and the stress generated and transmitted to the bottom of the sliding support leg is relieved by the elastic device 8;
the resilient means 8 includes, but is not limited to, a plurality of high strength springs, which are combined to form a spring pack.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (4)
1. A pushing lifting beam device for lifting a box beam is used for pushing the box beam to a preset position and is characterized by comprising,
the assembling platform is provided with a horizontal bearing surface and a plurality of vertical supporting devices supported at the bottom of the bearing surface, and the bearing surface is used for bearing a plurality of box girders and assembling the box girders;
the beam lifting station comprises a steel structure body horizontally suspended above the bearing surface and a plurality of sliding support legs for supporting the steel structure body;
the sliding support legs at least comprise two pairs and are respectively positioned at the front part and the rear part of two sides of the steel structure body;
the guide beam is arranged at the starting end of the splicing platform and used for connecting the box girder;
wherein a plurality of the vertical supporting means comprise:
at least one pair of front legs symmetrically supported at one end of the steel structure;
at least one pair of rear legs symmetrically supported at an end of the steel structure remote from the front legs;
a pair of center legs slidably disposed directly below the steel structure and between the front legs and the rear legs;
and the plurality of anti-sideslip devices are respectively arranged at the bottoms of each front supporting leg and each rear supporting leg and are used for preventing the steel structure from generating side rollover.
2. The jacking lift beam apparatus for lifting a box girder according to claim 1, wherein each of said pair of center legs comprises;
the hydraulic lifting device is arranged at the top of the middle supporting leg and used for adjusting the supporting height of the middle supporting leg;
the first sliding device is arranged at the bottom of the middle supporting leg.
3. The jacking lifting beam device for lifting box girders as claimed in claim 1, wherein a plurality of said anti-side-slip devices each comprise:
the pair of support rails are symmetrically arranged and bear the bottoms of the sliding support legs, and the pair of support rails comprise symmetrically arranged clamping grooves which are just clamped on edges of the corresponding sides of the sliding support legs.
4. The jacking lifting beam device for lifting box girders according to claim 3, wherein said anti-side-slip device further comprises,
the L-shaped plate comprises a horizontal plate and a vertical plate which are perpendicular to each other, wherein the horizontal plate is positioned at the bottom of the supporting rail, and one side, close to the upper surface of the horizontal plate, of the vertical plate is provided with an elastic device and is abutted against the side surface of the supporting rail;
one end of the bottom of the supporting rail, which is close to the vertical plate, is hinged with the horizontal plate, and one end of the supporting rail, which is far away from the horizontal plate, penetrates through a square groove with a height along the transverse direction of the supporting rail; and by:
the connecting rod penetrates into the square groove, two ends of the connecting rod protrude out of the outer side of the square groove, and the connecting rod can move up and down in the length direction of the square groove;
the connecting bolts comprise bases fixed with the horizontal plates and connecting plates arranged on the bases, and free ends of the connecting plates are connected with the ends, protruding out of the square grooves, of the corresponding connecting rods;
in a free state, the connecting rod is positioned at the highest position in the square groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021958065.4U CN213867371U (en) | 2020-09-09 | 2020-09-09 | A top pushes away handle device for lifting by crane case roof beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021958065.4U CN213867371U (en) | 2020-09-09 | 2020-09-09 | A top pushes away handle device for lifting by crane case roof beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213867371U true CN213867371U (en) | 2021-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021958065.4U Active CN213867371U (en) | 2020-09-09 | 2020-09-09 | A top pushes away handle device for lifting by crane case roof beam |
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| Country | Link |
|---|---|
| CN (1) | CN213867371U (en) |
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- 2020-09-09 CN CN202021958065.4U patent/CN213867371U/en active Active
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