Prestressed bridge stand column top tensioning operation platform

Abstract

The utility model discloses a prestress bridge stand column top tensioning operation platform which comprises a shaping operation platform located on the surface of the top of a bridge stand column and a plurality of steel bar hoops evenly arranged at the bottom of the shaping operation platform. The shaped operation platform is connected to a longitudinal main rib extending out of the top of the corresponding bridge stand column in a sleeving mode through a steel bar hoop. According to the utility model, the operation space for constructing the prestress tension component on the top surface of the bridge upright post can be widened, and the prestress tension component can be safely and conveniently constructed on the bridge upright post.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge construction technology field, especially a prestressed bridge column top tensioning operation platform. BACKGROUND

[0002] The column of bridge construction is usually independent pier, and the bridge column adopts vertical prestressed self-locking anchoring system to enhance the bending and folding strength of the column, and the tensioning end anchorage device is located at the top of the column, due to the high height and small cross section size of the column, under the narrow construction condition of the column top surface, the tensioning equipment needs to be placed, and the operation space of the construction personnel also needs to be ensured, so that the construction safety cannot be well ensured. UTILITY MODEL CONTENTS

[0003] The utility model discloses a prestressed bridge column top tensioning operation platform, which solves the problem of narrow column top surface of the bridge column and cannot construct prestressed tensioning components.

[0004] In order to solve the above technical problems, the utility model provides a prestressed bridge column top tensioning operation platform, which comprises a shaped operation platform arranged on the top surface of the bridge column, a plurality of steel hoops uniformly arranged at the bottom of the shaped operation platform, and the shaped operation platform is connected to the longitudinal main reinforcement protruding from the top of the corresponding bridge column through the steel hoops.

[0005] Further, the prestressed bridge column top tensioning operation platform provided by the utility model comprises two hoop plates, one end of the two hoop plates is rotationally connected through a hinge piece, the other end of the two hoop plates is fastened and connected through a locking bolt, one end of one of the hoop plates is vertically connected with an adapter plate, and the adapter plate is connected to the shaped operation platform through an angle steel.

[0006] Further, the prestressed bridge column top tensioning operation platform provided by the utility model comprises two hoop plates, one end of the two hoop plates is rotationally connected through a hinge piece, the other end of the two hoop plates is fastened and connected through a locking bolt, one end of one of the hoop plates is vertically connected with an adapter plate, and the adapter plate is connected to the shaped operation platform through an angle steel.

[0007] Further, the prestressed bridge column top tensioning operation platform provided by the utility model comprises two hoop plates, one end of the two hoop plates is rotationally connected through a hinge piece, the other end of the two hoop plates is fastened and connected through a locking bolt, one end of one of the hoop plates is vertically connected with an adapter plate, and the adapter plate is connected to the shaped operation platform through an angle steel.

[0008] Further, the prestressed bridge stand column top tensioning operation platform provided by the utility model, the shaped operation platform includes a rectangular ring center frame located on the bridge stand column top surface, a rectangular ring outer frame extending from the bridge stand column periphery, a plurality of main keels evenly distributed and vertically connected between the center frame and the outer frame, the outer frame is partially located on the bridge stand column top surface and partially extends from the bridge stand column periphery and is arranged in suspension, a rectangular ring outer platform plate laid on the outer frame, and a guardrail vertically and upwardly connected to the outer frame.

[0009] Further, the prestressed bridge stand column top tensioning operation platform provided by the utility model, the shaped operation platform further includes a rectangular ring inner platform plate arranged on the outer platform plate, the inner platform plate covers the longitudinal main reinforcement and its inner side line is close to the longitudinal main reinforcement, and the inner opening area of the inner platform plate is greater than the area of the center frame.

[0010] Further, the prestressed bridge stand column top tensioning operation platform provided by the utility model, the outer platform plate and the inner platform plate are both patterned steel plates.

[0011] Further, the prestressed bridge stand column top tensioning operation platform provided by the utility model, the main keel and the center frame and the outer frame at the corresponding position are detachably connected through bolts.

[0012] Further, the prestressed bridge stand column top tensioning operation platform provided by the utility model, the shaped operation platform further includes a skirting plate arranged between the outer frame and the guardrail.

[0013] Further, the prestressed bridge stand column top tensioning operation platform provided by the utility model, the four corners of the center frame are provided with inclined pull rods.

[0014] Compared with the prior art, the utility model has the beneficial effects as follows:

[0015] The prestressed bridge column top tensioning operation platform provided by the utility model is characterized in that: the longitudinal main reinforcement that extends out of the top of the corresponding bridge column is sleeved with the steel reinforcement hoop, so that the standardized operation platform is stably connected to the top surface of the bridge column, thereby widening the construction operation space through the added standardized operation platform, so as to facilitate the piling of the tensioning component or construction instruments, tools and the like on the top surface of the bridge column and the standardized operation platform, and the construction workers can use the standardized operation platform as the foothold to construct the prestressed tensioning component on the bridge column, thereby solving the problem that the narrow top of the bridge column has no operation space and cannot construct the prestressed tensioning component, the standardized operation platform that widens the construction operation space provides the operation space for the construction workers, the safety belt worn by the construction workers can be connected to the standardized operation platform, thereby ensuring the safety of the construction workers in the high-altitude operation of constructing the prestressed tensioning component on the bridge column. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a plane structure schematic view of the prestressed bridge column top tensioning operation platform frame structure installed on the bridge column;

[0017] Figure 2 is a plane structure schematic view of the prestressed bridge column top tensioning operation platform installed on the bridge column;

[0018] Figure 3 is an elevation structure schematic view of the prestressed bridge column top tensioning operation platform;

[0019] Figure 4 is Figure 1 is an enlarged view of A part in the figure;

[0020] Figure 5 is a plane structure schematic view of the steel reinforcement hoop;

[0021] Figure 6 is an elevation structure schematic view of the steel reinforcement hoop;

[0022] Figure 7 is a plane structure schematic view of the central frame and the main ridge connection;

[0023] Figure 8 is a plane structure schematic view of the peripheral frame;

[0024] Figure 9 is a plane structure schematic view of the outer platform plate;

[0025] Figure 10 is a plane structure schematic view of the inner platform plate;

[0026] In the figure:

[0027] 100. Tensioning platform on top of prestressed bridge columns, 110. Standardized operating platform, 111. Center frame, 112. Peripheral frame, 113. Main keel, 114. Outer platform plate, 115. Inner platform plate, 116. Guardrail, 117. Skirting board, 118. Diagonal brace, 119. Vertical plate, 120. Rebar hoop, 121. Hoop plate, 122. Hinged joint, 123. Locking bolt, 124. Adapter plate, 125. High-strength bolt, 130. Angle steel, 140. Backing plate, 150. Rebar nut;

[0028] 200. Bridge column, 201. Longitudinal main reinforcement. DETAILED DESCRIPTION

[0029] The present invention is described in detail below with reference to the accompanying drawings. The advantages and features of the present invention will become more apparent from the following description. It should be noted that the accompanying drawings are all simplified and not accurately scaled, and are only used to facilitate and clearly illustrate the embodiments of the present invention.

[0030] Please refer to Figure 1 The present invention provides a prestressed bridge column top tensioning operation platform 100, comprising a standardized operating platform 110 located on the top surface of a bridge column 200, and a plurality of steel bar clamps 120 evenly arranged at the bottom of the standardized operating platform 110. The standardized operating platform 110 is connected to the longitudinal main reinforcement 201 extending from the top of the corresponding bridge column 200 via the steel bar clamps 120. The top surface of the bridge column 200 refers to the concrete structural surface.

[0031] The prestressed bridge column top tensioning operation platform 100 provided by the embodiment of the present invention is connected to the longitudinal main reinforcement 201 extending from the top of the corresponding bridge column 200 through the steel bar clamp 120, thereby firmly connecting the standardized operation platform 110 to the top surface of the bridge column 200. The additional standardized operation platform 110 widens the construction operation space, making it easier to stack tensioning components or construction equipment and tools on the top surface of the bridge column 200 and the standardized operation platform 110, and the construction operation is convenient. Personnel can use the standardized operating platform 110 as a foothold to construct prestressed tensioned components on the bridge column 200, thereby solving the problem that the top of the bridge column 200 is narrow and there is no operating space to construct prestressed tensioned components. The standardized operating platform 110 with widened construction operation space provides a working space for construction workers, and the safety belts worn by construction workers can be connected to the standardized operating platform 110, thereby ensuring the safety of construction workers when constructing prestressed tensioned components on the bridge column 200 for high-altitude operations.

[0032] Please refer to Figure 1 、Figures 4 to 6 In order to avoid the displacement of the shaping operation platform 110 in the horizontal direction of the bridge column 200, the prestressed bridge column top tensioning operation platform 100 provided by the utility model, the reinforcing steel bar hoop 120 comprises two hoop plates 121, one end of the two hoop plates 121 is rotationally connected through a hinge 122, the other end of the two hoop plates 121 is fastened and connected through a locking bolt 123, one end of one of the hoop plates 121 is vertically connected with an adapter plate 124, and the adapter plate 124 is connected on the shaping operation platform 110 through an angle steel 130. The locking bolt 123 is a simple diagram represented by a straight line, and the hinge 122 comprises but is not limited to a folding page. The inner concave cavity of the hoop plate 121 can be a semicircle matched with the outer diameter of the longitudinal main reinforcement 201, and in order to be applicable to longitudinal main reinforcements 201 of different diameters, the inner concave cavity of the hoop plate 121 can be an angle. After the two hoop plates 121 are sleeved on the longitudinal main reinforcement 201, the locking bolt 123 is penetrated through the two hoop plates 121 to lock the reinforcing steel bar hoop 120 on the longitudinal main reinforcement 201. At this time, the reinforcing steel bar hoop 120 is connected with the longitudinal main reinforcement 201, can limit the shaping operation platform 110 in the horizontal direction, prevents displacement of the shaping operation platform 110 in the horizontal direction, and improves the stability of the shaping operation platform 110 connected on the bridge column 200.

[0033] Please refer to Figure 1 , Figure 4 and Figure 5 In order to improve the reliable connection of the reinforcing steel bar hoop 120 and the shaping operation platform 110, the prestressed bridge column top tensioning operation platform 100 provided by the utility model, the adapter plate 124 is connected with the angle steel 130 through a high-strength bolt 125.

[0034] Please refer to Figures 1 to 4 In order to improve the stability of the shaping operation platform 110 connected on the longitudinal main reinforcement 201, the prestressed bridge column top tensioning operation platform 100 provided by the utility model, a pad 140 is sleeved on the longitudinal main reinforcement 201 connected with the reinforcing steel bar hoop 120, the pad 140 is arranged on the shaping operation platform 110, the longitudinal main reinforcement 201 on the pad 140 is threadedly connected with a reinforcing steel bar nut 150, and the reinforcing steel bar nut 150 abuts against the pad 140. The pad 140 can increase the contact area with the top surface of the bridge column 200, avoids the problem that the reinforcing steel bar nut 150 is directly locked on the top surface of the bridge column 200 and causes damage to the surface, limits the shaping operation platform 110 in the height direction through the reinforcing steel bar nut 150, prevents displacement of the shaping operation platform 110 in the height direction, and thus improves the stability of the shaping operation platform 110 arranged on the top surface of the bridge column 200.

[0035] Please refer to Figures 1 to 3 ,Figures 7 to 9 In order to improve the stability of the standardized operation platform 110 arranged on the bridge column 200, the prestressed bridge column top tensioning operation platform 100 provided by the utility model embodiment, the standardized operation platform 110 comprises a rectangular ring-shaped center frame 111 arranged on the top surface of the bridge column 200, a rectangular ring-shaped peripheral frame 112 extending outward from the periphery of the bridge column 200, a plurality of main keels 113 vertically connected between the center frame 111 and the peripheral frame 112 and uniformly distributed, the peripheral frame 112 is partially arranged on the top surface of the bridge column 200 and partially suspended outward from the periphery of the bridge column 200, a rectangular ring-shaped outer platform plate 114 arranged on the peripheral frame 112, and a guardrail 116 vertically and upwardly connected to the peripheral frame 112. The main keels 113 comprise a plurality of transversely and longitudinally distributed main keels 113, and eight main keels 113 are exemplified in the figure. The main keels 113 partially arranged on the top surface of the bridge column 200 can support the suspended peripheral frame 112, avoiding the risk of the peripheral frame 112 falling. The center frame 111 is connected to the main keels 113, so that the center frame 111 can increase the structural rigidity of the standardized operation platform 110 and reduce the structural deformation of the standardized operation platform 110, especially the structural deformation of the peripheral frame 112, further improving the reliability and stability of the connection of the peripheral frame 112. The peripheral frame 112 in the suspended state and the outer platform plate 114 thereon widen the construction operation surface. The gusset plates 140 described above can be arranged on the main keels 113 of the standardized operation platform 110, in order to increase the structural stability of the standardized operation platform 110, the gusset plates 140 are provided with two through holes or one waist-shaped hole, each gusset plate 140 is sleeved on two longitudinal main reinforcements 201 distributed on both sides of each main keel 113 through the two through holes or the waist-shaped hole, and a steel nut 150 is installed on each longitudinal main reinforcement 201.

[0036] Please refer to Figure 2 、 Figure 9 and Figure 10, in order to shield longitudinal main reinforcement 201 and increase the working surface, the utility model discloses prestressed bridge column top tensioning operation platform 100 provided by an embodiment, the shaping operation platform 110 still includes the rectangular ring -like inner platform plate 115 on setting outer platform plate 114, the inner platform plate 115 covers longitudinal main reinforcement 201 and its inboard line is close to longitudinal main reinforcement 201, and the inner opening area of inner platform plate 115 is greater than the area of center frame 111. At this time, the inner edge line of inner platform plate 115 is vertically downwards and is provided with vertical plate 119, is inserted in the inner opening of outer platform plate 114 through vertical plate 119, so as to shield longitudinal main reinforcement 201 through the vertical plate 119 of inner platform plate 115, and meanwhile, inner platform plate 115 also increases the working surface, since inner platform plate 115 is located on the top surface of bridge column 200, so its stability is higher than that of outer platform plate 114 in the state of suspension, and construction workers are more safe when constructing on inner platform plate 115.

[0037] In order to avoid skidding, the prestressed bridge column top tensioning operation platform 100 provided by the utility model embodiment, the outer platform plate 114 and the inner platform plate 115 can be patterned steel plates.

[0038] Please refer to Figures 1 to 2 In order to facilitate the assembly of the shaping operation platform 110, the prestressed bridge column top tensioning operation platform 100 provided by the utility model embodiment, the connection between the main keel 113 and the center frame 111 and the peripheral frame 112 at the corresponding position thereof is detachably connected through bolts.

[0039] Please refer to Figure 3 In order to prevent the tensioning components, tools and the like on the shaping operation platform 110 from falling, the prestressed bridge column top tensioning operation platform 100 provided by the utility model embodiment, the shaping operation platform 110 further comprises a kick plate 117 arranged between the peripheral frame 112 and the guardrail 116.

[0040] Please refer to Figures 1 to 2 In order to improve the structural stability of the center frame 111, the prestressed bridge column top tensioning operation platform 100 provided by the utility model embodiment, the four corners of the center frame 111 are provided with inclined pull rods 118.

[0041] The prestressed bridge column top tensioning operation platform 100 provided by the embodiment of the utility model can process the standardized operation platform 110 according to the section size of different bridge columns 200, the whole standardized operation platform is hoisted and installed on the top surface of the bridge column 200 through hoisting equipment, and the standardized operation platform 110 is connected with the exposed longitudinal main reinforcement 201 on the bridge column 200 through the steel bar hoop 120, so as to expand the operation space of the top surface of the bridge column 200, so as to facilitate the construction of the prestressed tensioning component thereon. Wherein the prestressed bridge column top tensioning operation platform 100 is not limited to the bridge column 200, but also can be various columns for constructing the prestressed tensioning component on the columns of other buildings.

[0042] The utility model is not limited to the above-mentioned specific implementation, obviously, the above-mentioned described embodiment is the embodiment of the utility model embodiment, but is not all the embodiment. Based on the described embodiment of the utility model, all other embodiments obtained by the ordinary skill in the art belong to the scope of the utility model protection. The person skilled in the art can make other levels of modification and change to the utility model. Thus, if these modifications and changes of the utility model belong to the scope of the claims of the utility model, the utility model also intends to include these changes and modifications.

Claims

1. A pre-stressed bridge column top tensioning operation platform, characterized in that, The application relates to a bridge construction operation platform, which comprises a standardized operation platform arranged on the top surface of a bridge column, a plurality of steel reinforcement hoops evenly arranged on the bottom of the standardized operation platform, and a longitudinal main reinforcement rod on the top of the corresponding bridge column.

2. The pre-stressed bridge column top tensioning operation platform according to claim 1, characterized in that, The steel reinforcement hoop comprises two hoop plates, one end of the two hoop plates is rotationally connected through a hinge, and the other end of the two hoop plates is fastened through a locking bolt, one end of one of the two hoop plates is perpendicularly connected with an adapter plate, and the adapter plate is connected with an angle steel on the standardized operation platform.

3. The pre-stressed bridge column top tensioning work platform according to claim 2, characterized in that, The adapter plate and the angle steel are connected through a high-strength bolt.

4. The pre-stressed bridge column top tensioning operation platform according to claim 2, characterized in that, A pad is sleeved on the longitudinal main reinforcement rod connected with the steel reinforcement hoop, the pad is arranged on the standardized operation platform, the longitudinal main reinforcement rod on the pad is screw-connected with a steel reinforcement nut, and the steel reinforcement nut abuts against the pad.

5. The pre-stressed bridge column top tensioning work platform of claim 1, wherein, The standardized operation platform comprises a rectangular ring-shaped center frame arranged on the top surface of the bridge column, a rectangular ring-shaped peripheral frame extending out of the periphery of the bridge column, a plurality of main keels perpendicularly connected between the center frame and the peripheral frame, a rectangular ring-shaped outer platform plate arranged on the peripheral frame, and a guardrail perpendicularly connected upwardly on the peripheral frame.

6. The pre-stressed bridge column top tensioning work platform according to claim 5, characterized in that, The standardized operation platform further comprises a rectangular ring-shaped inner platform plate arranged on the outer platform plate, the inner platform plate covers the longitudinal main reinforcement rod, and the inner side line of the inner platform plate is close to the longitudinal main reinforcement rod, and the inner opening area of the inner platform plate is larger than the area of the center frame.

7. The pre-stressed bridge column top tensioning work platform according to claim 6, characterized in that, The outer platform plate and the inner platform plate are both patterned steel plates.

8. The pre-stressed bridge column top tensioning work platform of claim 5, wherein, The connection between the main keel and the center frame and the peripheral frame at the corresponding position is detachably connected through a bolt.

9. The pre-stressed bridge column top tensioning work platform of claim 5, wherein, The standardized operation platform further comprises a skirting plate arranged between the peripheral frame and the guardrail.

10. The pre-stressed bridge column top tensioning work platform of claim 5, wherein, Inclined pull rods are arranged in the four corners of the center frame.

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