CN215854574U - Quick mounting and dismounting fixture for box girder template - Google Patents
Quick mounting and dismounting fixture for box girder template Download PDFInfo
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- CN215854574U CN215854574U CN202122304924.9U CN202122304924U CN215854574U CN 215854574 U CN215854574 U CN 215854574U CN 202122304924 U CN202122304924 U CN 202122304924U CN 215854574 U CN215854574 U CN 215854574U
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Abstract
The utility model provides a quick installation of case roof beam template dismantles fixture, belong to bridge engineering case roof beam prefabrication field, can solve current case roof beam template installation and dismantlement and waste time and energy, the problem of inefficiency, including supplementary hoisting accessory and load-carrying device, supplementary hoisting accessory includes the bearing crossbeam, the top of bearing crossbeam is equipped with main rings, the bottom is equipped with connects rings, main rings are connected with the lifting hook of portal crane, the both ends of bearing crossbeam are equipped with the anchor hole, load-carrying device includes the bogie, the top rear of bogie is equipped with the support frame, the top of support frame is equipped with steel sheet and supplementary rings, it connects rings and supplementary rings to connect, bearing crossbeam passes through wire rope with steel sheet and connects, the side waist rear of bogie is equipped with the decurrent arm of force, the front end of the arm of force is equipped with the steel sheet, the bottom of bogie is equipped with the compensating beam, the both ends rear of compensating beam is equipped with the connecting rod, the tip of connecting rod is equipped with the channel-section steel. The utility model has simple operation and convenient use, and improves the efficiency of mounting and dismounting the box girder template.
Description
Technical Field
The utility model belongs to the technical field of prefabrication of box girders in bridge engineering, and particularly relates to a quick assembling and disassembling clamp for a box girder template.
Background
Box girder prefabrication is key and difficult point in the bridge engineering, whether its prefabrication process guarantees safety, progress and quality requirement directly influence the smooth implementation of whole project, in the box girder prefabrication work progress, because the precast beam is generally longer, the box girder steel form is usually more than 1 ton, can only adopt the portal crane to install and dismantle, the portal crane installation and dismantlement in-process, because the template shape is whole right angled triangle, the template can be along with the focus change constantly swings when the top is hoisted, bring the puzzlement for the site operation, and template hoist and mount can only hoist to near the assigned position, constantly carry out position adjustment by the manual work again, waste time and energy, and inefficiency.
Disclosure of Invention
The utility model provides a quick mounting and dismounting fixture for a box girder template, aiming at the problems that the mounting and dismounting of the existing box girder template are time-consuming and labor-consuming and low in efficiency, so that the construction efficiency of steel strand penetrating in a corrugated pipe is improved, the construction progress is accelerated, and the construction safety is ensured.
The utility model adopts the following technical scheme:
a clamp for quickly assembling and disassembling a box girder template comprises an auxiliary hoisting device and a bearing device, wherein the auxiliary hoisting device comprises a bearing cross beam, a main hoisting ring is arranged in the middle of the top of the bearing cross beam, a connecting hoisting ring is arranged in the middle of the bottom of the bearing cross beam, the main hoisting ring is connected with a hoisting hook of a gantry crane, anchor bolt holes are symmetrically arranged at two ends of the bearing cross beam, bearing device is trapezoidal bearing frame including the cross-section, the top rear of bearing frame is equipped with the support frame, the top symmetry of support frame is equipped with steel connecting plate, be equipped with supplementary rings between the steel connecting plate, connect rings and supplementary rings and connect, the anchor bolt hole of bearing crossbeam and the steel connecting plate of bearing frame pass through wire rope and connect, the side waist rear of bearing frame is equipped with the decurrent arm of force, the front end of the arm of force is equipped with the steel sheet, the bottom of bearing frame is equipped with the compensating beam, the both ends rear of compensating beam is equipped with the connecting rod respectively, the end connection of connecting rod has the channel-section steel.
Furthermore, the centers of the lifting hook, the main lifting ring, the connecting lifting ring and the auxiliary lifting ring of the gantry crane are positioned on the same straight line.
Furthermore, a plurality of fixing holes connected with the steel wire rope are formed in the connecting steel plate.
Furthermore, a cross beam is arranged between the waists at two sides of the bearing frame and is positioned above the force arm.
The utility model has the following beneficial effects:
when the clamp is used, the connecting lifting ring is connected with the auxiliary lifting ring and used for balancing the lower bearing device, the connecting lifting ring and the auxiliary lifting device form a triangle, the upper auxiliary lifting device is kept to be basically parallel to the beam body and the template, the connecting position between the steel wire rope and the connecting steel plate can be changed, small holes are reserved in the connecting template and used for connecting by using anchor bolts, when the template is installed and lifted, the upper end of the template reaches a preset position, the lower end of the template inclines to one side, at the moment, the template returns to the position rapidly under the action of the balance beam, only fine adjustment is needed, the clamp is matched with a gantry crane for use, the operation is simple, the use is convenient, the installing and disassembling efficiency of the template of the box girder is greatly improved, the damage of the template to the prefabricated box girder body during the removal of the template is reduced, and the construction and appearance quality are improved.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic side view of the present invention;
wherein: 1-a hook; 2-a load-bearing cross beam; 3-main hoisting ring; 4-connecting a lifting ring; 5, a bearing frame; 6-a support frame; 7-connecting steel plates; 8-auxiliary hoisting rings; 9-a steel wire rope; 10-moment arm; 11-a steel plate; 12-a balance beam; 13-a connecting rod; 14-channel steel; 15-a cross beam; 16-template.
Detailed Description
The utility model is further explained with reference to the accompanying drawings.
As shown in the figure, a quick installation of case roof beam template dismantles fixture, including lifting the lifting hook 1 of the portal crane of whole device, and supplementary hoisting accessory, lifting hook 1 stretches into main rings 3, main rings 3 welding is at bearing crossbeam 2 center, anchor bolt hole is reserved at bearing crossbeam 2 both ends, adopt the crab-bolt to be connected through wire rope 9 and connecting plate 7, connecting plate 7 welding is at the bearing device both ends and is the symmetric distribution, the bearing device is the trapezium just, adopt the welding of rectangle steel pipe, middle part is by lower position welding crossbeam 15, additional strengthening stability, crossbeam 15 is lower position welding arm of force 10, arm of force 10 anterior segment welding steel sheet 11, can catch on the supplementary lifting by crane of case roof beam template, bottom welding compensating beam 12, support the template vertical position at the in-process of lifting, prevent that the template from producing transverse deformation when lifting.
Furthermore, a lifting hook 1, a main lifting ring 3, a connecting lifting ring 4 and an auxiliary lifting ring 8 of the gantry crane are arranged on the central line of the whole fixture;
further, the connecting lifting ring 4 and the auxiliary lifting ring 8 play a role of a balance fixture, so that the balance beam 12 is perpendicular to the template and parallel to the ground;
furthermore, the connecting lifting ring 4 is connected with the auxiliary lifting ring 8 and used for balancing the lower bearing device, the connecting lifting ring and two steel wire ropes 9 of the auxiliary lifting device form a triangle, the upper auxiliary lifting device is kept to be basically parallel to the beam body and the template, the connecting position between the steel wire ropes 9 and the connecting steel plate 7 can be changed, and small holes are reserved in the connecting steel plate 7 and used for connecting by using anchor bolts;
further, the lower movable range of the template 16 is fixed by a balance beam and a force arm, the upper part of the template is longer, as shown in fig. 2, the upper part of the template extends into the bearing device, and the steel template is prevented from inclining or falling off in the hoisting process;
when the template 16 is installed, the distance between the steel wire ropes 9 between the connecting hanging rings 4 and the auxiliary hanging rings 8 is adjusted according to the volume and the weight of a steel template used by the box girder, the distance between the auxiliary hoisting device and the connecting steel plate 7 and the selection of anchor bolt holes on the connecting steel plate 7 are adjusted, the auxiliary hoisting device is enabled to be parallel to the ground and perpendicular to the girder body, then the hoisting by using a gantry crane is started, the balance beam 12 is positioned outside the rectangular steel pipe at the lower part of the template before the hoisting, at the moment, the force arm 10 is positioned at the bottom of the transverse rectangular steel pipe inside the template 16, the steel plate is vertically hoisted upwards during the hoisting, the balance beam 12 is hoisted upwards along the lower part of the template 16, after the force arm 10 reaches a designated position, the template 16 is driven to integrally ascend, after the template 16 is hoisted to the box girder designated position, the hoisting hook 1 slowly descends, stops when approaching 5-10cm to the ground, then deviates to one side of the box girder until the designated position, and then the fine adjustment is carried out manually, template 16 is in place. The removal process of the template 16 is the reverse of that described above.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, or direct or indirect applications in other related fields, which are made by the contents of the present specification, are included in the scope of the present invention.
Claims (4)
1. The utility model provides a fixture is dismantled in quick installation of case roof beam template which characterized in that: comprises an auxiliary hoisting device and a bearing device, wherein the auxiliary hoisting device comprises a bearing cross beam (2), a main hoisting ring (3) is arranged in the middle of the top of the bearing cross beam (2), a connecting hoisting ring (4) is arranged in the middle of the bottom of the bearing cross beam, the main hoisting ring (3) is connected with a hoisting hook (1) of a gantry crane, anchor bolt holes are symmetrically arranged at two ends of the bearing cross beam (2), the bearing device comprises a bearing frame (5) with a trapezoidal section, a support frame (6) is arranged behind the top end of the bearing frame (5), connecting steel plates (7) are symmetrically arranged at the top of the support frame (6), auxiliary hoisting rings (8) are arranged between the connecting steel plates (7), the connecting hoisting rings (4) are connected with the auxiliary hoisting rings (8), the anchor bolt holes of the bearing cross beam (2) are connected with the connecting steel plates (7) of the bearing frame (5) through steel wire ropes (9), and a downward oblique force arm (10) is arranged behind the lateral waist of the bearing frame (5), the front end of the force arm (10) is provided with a steel plate (11), the bottom of the bearing frame (5) is provided with a balance beam (12), the rear parts of the two ends of the balance beam (12) are respectively provided with a connecting rod (13), and the end part of the connecting rod (13) is connected with a channel steel (14).
2. The box girder template quick assembly and disassembly clamp of claim 1, which is characterized in that: the centers of a lifting hook (1), a main lifting ring (3), a connecting lifting ring (4) and an auxiliary lifting ring (8) of the gantry crane are positioned on the same straight line.
3. The box girder template quick assembly and disassembly clamp of claim 1, which is characterized in that: the connecting steel plate (7) is provided with a plurality of fixing holes connected with the steel wire rope (9).
4. The box girder template quick assembly and disassembly clamp of claim 1, which is characterized in that: and a cross beam (15) is arranged between the waists at the two sides of the bearing frame (5), and the cross beam (15) is positioned above the force arm (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122304924.9U CN215854574U (en) | 2021-09-23 | 2021-09-23 | Quick mounting and dismounting fixture for box girder template |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122304924.9U CN215854574U (en) | 2021-09-23 | 2021-09-23 | Quick mounting and dismounting fixture for box girder template |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215854574U true CN215854574U (en) | 2022-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122304924.9U Active CN215854574U (en) | 2021-09-23 | 2021-09-23 | Quick mounting and dismounting fixture for box girder template |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116513940A (en) * | 2023-02-01 | 2023-08-01 | 中铁三局集团有限公司 | Anti-offset mechanism for crane hoisting construction and hoisting method thereof |
-
2021
- 2021-09-23 CN CN202122304924.9U patent/CN215854574U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116513940A (en) * | 2023-02-01 | 2023-08-01 | 中铁三局集团有限公司 | Anti-offset mechanism for crane hoisting construction and hoisting method thereof |
| CN116513940B (en) * | 2023-02-01 | 2023-08-29 | 中铁三局集团有限公司 | Anti-offset mechanism for crane hoisting construction and hoisting method thereof |
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