CN209924407U - Combined working platform for steel structure high-altitude installation - Google Patents

Combined working platform for steel structure high-altitude installation Download PDF

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Publication number
CN209924407U
CN209924407U CN201920281114.6U CN201920281114U CN209924407U CN 209924407 U CN209924407 U CN 209924407U CN 201920281114 U CN201920281114 U CN 201920281114U CN 209924407 U CN209924407 U CN 209924407U
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China
Prior art keywords
platform
steel structure
connecting plate
working platform
whole body
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CN201920281114.6U
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Chinese (zh)
Inventor
卢俊生
张应超
李有道
秦红兵
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Sinohydro Bureau 11 Co Ltd
PowerChina 11th Bureau Engineering Co Ltd
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Sinohydro Bureau 11 Co Ltd
PowerChina 11th Bureau Engineering Co Ltd
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Abstract

The utility model discloses a combination work platform of steel construction high altitude installation, combination work platform includes the work platform unit, the work platform unit includes platform mesa, platform link and platform railing, the platform railing encloses to close the outside of platform mesa. The combined working platform enables the structure of the combined working platform installed at high altitude by the steel structure to be simplified, and the installation is more convenient; the installation method reduces the overhead working amount and the crane working time, and avoids the potential safety hazard of the overhead working.

Description

Combined working platform for steel structure high-altitude installation
Technical Field
The utility model relates to a construction steel constructs installation application technical field, concretely relates to combination work platform of steel construction high altitude installation.
Background
Modern buildings pay more and more attention to landscape effect, the modeling of the buildings fuses epoch elements to form unique landscape, and compared with the template construction of reinforced concrete, a steel structure is easier to manufacture into a special-shaped space geometric shape fused with natural elements, so that the top end of the reinforced concrete building is provided with a variant modeling of the steel structure to be applied more and more.
The steel structure is installed at high altitude, limited by the rated lifting capacity of the crane, and generally adopts a sectional (or block) manufacturing method, and after the manufacturing is finished, the steel structure is preassembled on the ground for acceptance; after the steel structural member is qualified, the steel structural member is lifted to the high altitude by a crane to be installed into a complete whole, so that a high altitude working platform is needed, a firm and safe working space is provided for high altitude operators, and the procedures of alignment and positioning between steel structural member sections, welding of welding seams, flaw detection of the welding seams, surface paint repair and the like are completed.
The high-altitude working platform generally adopted in the prior art mainly has two types:
the other method is that a scaffold method is adopted, scaffolds are erected around a steel structure, a pavement slab is fixed on a cross rod of the scaffold, a protective net is arranged on a vertical rod of the scaffold, a falling-preventing safety net and the like are arranged on the lower layer of the scaffold, and the scaffold is used as a working platform during high-altitude installation.
The cable-stayed bridge and the suspension bridge cable tower column are generally reinforced concrete structures, a creeping formwork pouring construction method is adopted during construction, and when a tower top steel member is installed, a scaffold is erected on the basis of the creeping formwork which is lifted to the top end.
The other method is that a hanging basket method is adopted, rectangular steel pipes or other section steels are selected to manufacture a rectangular basket with an opening on the upper surface, a pattern steel plate at the bottom is closed, railings are arranged on the periphery of the rectangular basket, the rectangular basket is arranged on the outer side of a steel structural member, the lifting height of a crane is adopted, and operating personnel stand in a fence and fasten safety belts to install the steel structure on the outer side.
The working platform is erected by adopting a scaffold method, and the defects are as follows: the auxiliary workload for setting up and dismantling the scaffold is large, the working time is long, and the construction period is adversely affected. And the rod piece and the fastener are easy to fall when being dismantled, so that the safety hazard of badness exists.
The hanging basket method is adopted as the high-altitude installation working platform, and the defects are as follows: the working time of the crane is long, or special lifting equipment is equipped, and the control of construction cost is not utilized.
Based on technical problem as above that prior art exists, the utility model provides a combination work platform of steel construction high altitude installation.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a combination work platform of steel construction high altitude installation makes the steel construction high altitude install in the installation, and the installation is simple, demolish convenience, performance more firm safety.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a combined working platform installed in high altitude with a steel structure comprises a working platform unit, wherein the working platform unit comprises a platform table top enclosed on the whole body of the steel structure, a plurality of platform connecting frames fixedly arranged below the platform table top and fixedly connected with the whole body of the steel structure, and a platform rail fixedly installed at one end of the platform table top far away from the whole body of the steel structure, and the platform rail is enclosed outside the platform table top;
the platform connecting frame comprises a horizontal cross rod, a first inclined supporting rod, a second inclined supporting rod, a first connecting plate and a second connecting plate;
the horizontal cross rod is fixedly arranged at the bottom end of the platform table board to lift the platform table board, one end, close to the steel structure whole body, of the horizontal cross rod is fixedly connected to the first connecting plate, the upper end of the first inclined stay bar is fixedly connected to one end, far away from the steel structure whole body, of the horizontal cross rod, the lower end of the first inclined stay bar is fixedly connected to the second connecting plate, the second inclined stay bar is fixedly connected between the first inclined stay bar and the first connecting plate, the first connecting plate and the second connecting plate are both fixedly connected to the steel structure whole body, and the first connecting plate is arranged above the second connecting plate.
Furthermore, a plurality of working platform units are arranged on the whole body of the steel structure, and the adjacent working platform units are connected through communicated handrails.
And furthermore, the adjacent working platform units are connected through two communicated handrails, wherein one communicated handrail is used for connecting the working platform unit from the lower layer to the upper layer, and the other communicated handrail is used for connecting the working platform unit from the upper layer to the lower layer.
Further, the platform table-board includes the platform upper plate and the fixed rectangle steel pipe that sets up the platform upper plate bottom, rectangle steel pipe fixed connection in horizontal pole.
Further, the working platform unit is a square platform.
Compared with the prior art, the utility model discloses a superior effect lies in:
1. combined work platform of steel construction high altitude installation, through the cooperation setting of platform mesa, platform link, platform railing, make combined work platform of steel construction high altitude installation's structure is simplified, and the installation is more convenient.
2. Combined work platform of steel construction high altitude installation, set up through the cooperation of work platform unit and UNICOM's handrail ladder, make combined work platform of steel construction high altitude installation possess and coordinate the cooperation work in the mounting height of steel construction of difference.
Drawings
FIG. 1 is a schematic structural view of a combined working platform installed at high altitude in a steel structure in embodiment 1 of the present invention;
fig. 2 is a schematic structural view of a platform connecting frame in embodiment 1 of the present invention;
fig. 3 is a schematic structural view of a combined working platform installed at high altitude in a steel structure in embodiment 2 of the present invention;
in the figure: 1-a working platform unit, 11-a platform table top, 111-a platform upper plate, 112-a rectangular steel pipe, 12-a platform connecting frame, 121-a horizontal cross bar, 122-a first diagonal brace, 123-a second diagonal brace, 124-a first connecting plate, 125-a second connecting plate, 13-a platform railing and 2-a communicated handrail ladder.
Detailed Description
In order to make the above objects, features and advantages of the present invention more clearly understood, the following detailed description of the present invention is made in conjunction with the accompanying drawings and the detailed description, it is to be noted that the features of the embodiments and examples of the present invention may be combined with each other without conflict.
Example 1
As shown in fig. 1, a combined working platform installed in high altitude by a steel structure comprises a working platform unit 1, wherein the working platform unit 1 comprises a platform table top 11 enclosed on the whole body of the steel structure, a plurality of platform connecting frames 12 fixedly arranged below the platform table top 11 in a welding manner and fixedly connected with the whole body of the steel structure, and a platform rail 13 fixedly installed at one end of the platform table top 11 far away from the whole body of the steel structure in a welding manner, and the platform rail 13 is enclosed on the outer side of the platform table top 11;
as shown in fig. 2, the platform connecting frame 12 includes a horizontal cross bar 121, a first diagonal brace 122, a second diagonal brace 123, a first connecting plate 124 and a second connecting plate 125;
the horizontal cross bar 121 is fixedly arranged at the bottom end of the platform deck 11 by welding to lift the platform deck 11, one end of the horizontal cross bar 121 close to the steel structure periphery is fixedly connected to the first connecting plate 124 by welding, the upper end of the first inclined strut 122 is fixedly connected to one end of the horizontal cross bar 121 far away from the steel structure periphery, the lower end of the first inclined strut 122 is fixedly connected to the second connecting plate 125, the second inclined strut 123 is fixedly connected between the first inclined strut 122 and the first connecting plate 124, the first connecting plate 124 and the second connecting plate 125 are both fixedly connected to the steel structure periphery, and the first connecting plate 124 is arranged above the second connecting plate 125.
In this embodiment, the platform top 11 enclosed around the steel structure is in the same horizontal position under the lifting of the horizontal cross bar 121.
In this embodiment, the angles of the first connecting plate 124 and the second connecting plate 125 are determined according to the angle of the steel structure, so as to ensure that the first connecting plate 124 and the second connecting plate 125 are both attached to the steel structure to facilitate the fixing of bolts, for example, according to the angle of the steel structure, the first connecting plate 124 and/or the second connecting plate 125 may be perpendicular to the platform deck 11; the included angle between the first connecting plate 124 and/or the second connecting plate 125 and the platform top 11 can be an acute angle; the included angle between the first connecting plate 124 and/or the second connecting plate 125 and the platform top 11 can be an obtuse angle; the included angle between the first connecting plate 124 and the platform table 11 is an obtuse angle and the included angle between the second connecting plate 125 and the platform table 11 is an acute angle.
Platform railing 13 adopts shaped steel welding to become, in order to prevent that instrument or heavy object from dropping on the platform railing 13 weld the wire net on the platform railing 13.
The platform top 11 comprises a platform upper plate 111 and a rectangular steel pipe 112 fixedly arranged at the bottom end of the platform upper plate 111, and the rectangular steel pipe 112 is fixedly connected to the horizontal cross rod 121.
Platform mesa 11 adopts the bilayer structure to alleviate wholly the weight of platform mesa 11 does benefit to right the hoist and mount of steel construction.
In this embodiment, the platform upper plate 111 is used as a platform for placing a human or a tool, and a patterned steel plate is adopted to effectively avoid skidding.
In this embodiment, the rectangular steel pipe 112 is welded between the flat upper plate 111 and the horizontal cross bar 121.
In this embodiment, the cross sectional shape of steel construction week is the rectangle, work platform unit 1 is back style of calligraphy platform, if the cross sectional shape of steel construction week is circular, work platform unit 1 is ring type platform, work platform unit 1 basis the cross sectional shape of steel construction week is right the steel construction encloses.
The installation method of the combined working platform installed in high altitude by the steel structure comprises the following steps:
step 1: prefabricating the platform table 11, the platform connecting frames 12 and the platform railings 13 according to the structure of the steel structure, and fixing the prefabricated platform table 11, the platform connecting frames 12 and the platform railings 13 in a welding manner;
step 2: bolt holes connected with the first connecting plate 124 and the second connecting plate 125 are formed in the whole body of the steel structure;
and step 3: moving the welded working platform unit 1 to a position close to the whole body of the steel structure by using a crane, adopting a traction rope for auxiliary positioning, installing bolts between the first connecting plate 124 and the whole body of the steel structure and between the second connecting plate 125 and the whole body of the steel structure, and screwing nuts inside the steel structure;
and 4, step 4: and hoisting the steel structure provided with the working platform unit 1 to an aerial installation position by adopting a crawler crane to install the steel structure.
In the step 1, the steel structure is installed, the cross section of the working platform unit 1 is quadrilateral, the working platform unit 1 is disassembled into partial working platform units aiming at each side of the quadrilateral, then 4 partial working platform units are respectively fixed on the steel structure, and then the 4 partial working platform units are welded together.
The butt joints among the partial working platform units and the butt joints among the platform railings 13 need to be connected into a whole by adopting electric welding intermittent welding seams, so that the safety and the reliability are improved.
In this embodiment, after the steel structure is installed, the combined working platform needs to be disassembled, the welded parts between the partial working platform units are cut, the steel wire ropes are tied at the two ends of the partial working platform units, the angle between the steel wire ropes and the vertical tie is 60 degrees, the bottom surfaces of the working platform units are kept horizontal, the combined working platform is disassembled in a two-point hoisting manner, when the combined working platform is disassembled, firstly, the partial working platform units are rigged by using a hoisting steel wire rope and a shackle and then hung on a crane hook, and an operator leaves the disassembled partial working platform units; then the bolts are disassembled in the box body of the steel structure, the operation platform is disassembled, and other parts of the operation platform units are sequentially disassembled according to the steps, so that the safety of operation personnel is ensured.
Example 2
As shown in figure 3, a plurality of working platform units 1 are arranged on the whole body of the steel structure, and the adjacent working platform units 1 are connected through communicated handrails 2. Wherein, different work platform unit 1 is located on the different height of steel construction whole body.
Adjacent connect through two UNICOM's handrail ladder 2 between the work platform unit 1, wherein, one UNICOM's handrail ladder 2 is used for following the lower floor work platform unit 1 goes up to the upper strata work platform unit 1, another UNICOM's handrail ladder 2 is used for following the upper strata work platform unit 1 is lower to the lower floor work platform unit 1.
In the embodiment, two communicated handrails 2 are arranged, so that the flowing lines of the personnel on the combined working platform are ensured not to intersect and conflict, and the possibility of danger at high altitude is reduced.
In this embodiment, when the combined working platform is composed of multiple layers of the working platform units 1, the upper layer of the working platform units 1, the communicated escalator 2 and the lower layer of the working platform units 1 are sequentially removed.
The present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only for illustrating the principle of the present invention, without departing from the spirit and scope of the present invention, the present invention can also have various changes and improvements, and these changes and improvements all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims.

Claims (5)

1. A combined working platform installed in high altitude with a steel structure comprises a working platform unit, wherein the working platform unit comprises a platform table top enclosed on the whole body of the steel structure, a plurality of platform connecting frames fixedly arranged below the platform table top and fixedly connected with the whole body of the steel structure, and a platform rail fixedly installed at one end of the platform table top far away from the whole body of the steel structure, and the platform rail is enclosed outside the platform table top;
the platform connecting frame is characterized by comprising a horizontal cross rod, a first inclined supporting rod, a second inclined supporting rod, a first connecting plate and a second connecting plate;
the horizontal cross rod is fixedly arranged at the bottom end of the platform table board to lift the platform table board, one end, close to the steel structure whole body, of the horizontal cross rod is fixedly connected to the first connecting plate, the upper end of the first inclined stay bar is fixedly connected to one end, far away from the steel structure whole body, of the horizontal cross rod, the lower end of the first inclined stay bar is fixedly connected to the second connecting plate, the second inclined stay bar is fixedly connected between the first inclined stay bar and the first connecting plate, the first connecting plate and the second connecting plate are both fixedly connected to the steel structure whole body, and the first connecting plate is arranged above the second connecting plate.
2. The combined working platform installed at high altitude of a steel structure as claimed in claim 1, wherein a plurality of working platform units are arranged on the whole body of the steel structure, and adjacent working platform units are connected through communicated handrails.
3. The combined working platform installed at high altitude in a steel structure according to claim 2, wherein the adjacent working platform units are connected through two communicated handrails, one communicated handrail is used for lifting the working platform unit from the lower layer to the upper layer, and the other communicated handrail is used for lifting the working platform unit from the upper layer to the lower layer.
4. The combined working platform installed at high altitude with the steel structure as claimed in claim 1, wherein the platform surface comprises a platform upper plate and a rectangular steel pipe fixedly arranged at the bottom end of the platform upper plate, and the rectangular steel pipe is fixedly connected to the horizontal cross bar.
5. The combined work platform for the high-altitude installation of the steel structure as claimed in claim 1, wherein the work platform unit is a square platform.
CN201920281114.6U 2019-03-06 2019-03-06 Combined working platform for steel structure high-altitude installation Active CN209924407U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920281114.6U CN209924407U (en) 2019-03-06 2019-03-06 Combined working platform for steel structure high-altitude installation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920281114.6U CN209924407U (en) 2019-03-06 2019-03-06 Combined working platform for steel structure high-altitude installation

Publications (1)

Publication Number Publication Date
CN209924407U true CN209924407U (en) 2020-01-10

Family

ID=69069472

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920281114.6U Active CN209924407U (en) 2019-03-06 2019-03-06 Combined working platform for steel structure high-altitude installation

Country Status (1)

Country Link
CN (1) CN209924407U (en)

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