Hogging moment stretching platform

By designing a negative bending moment tension platform, the safety problem caused by insufficient width of the hanging basket during T-beam construction was solved, achieving safe suspension across the longitudinal convex strip, and improving construction safety and ease of operation.

CN223675154UActive Publication Date: 2025-12-16SHAOXING SHANGYU DISTRICT TRANSPORTATION IND DEV CO LTD
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Patent Information

Application Number
CN202423181615.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2025-12-16
Estimated Expiration
2034-12-23

AI Technical Summary

Technical Problem

In the construction of T-beams, the existing hanging baskets have insufficient width design, resulting in an excessive distance between them and the intermediate beams, which affects construction safety.

Method used

Design a negative bending moment tension platform, including a central standing platform, a left hanging frame, a right hanging frame, a left standing platform, a right standing platform, and left and right diagonal tie rods. Through hinged and detachable connections, the platform can be closed and unfolded, and can be suspended across the gap of the longitudinal protrusions of the T-beam to ensure the safety and stability of the platform.

Benefits of technology

This effectively avoids interference from the longitudinal protrusions of the T-beams, improves construction safety and ease of operation, and enhances the platform's compactness and stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a hogging moment stretching platform. Comprising a middle person standing platform, a left hanging frame, a right hanging frame, a left person standing platform and a right person standing platform, wherein the lower end of the left hanging frame is connected to the left side of the middle person standing platform; the lower end of the right hanging frame is connected to the right side of the middle person standing platform; the left diagonal draw bar is used for connecting the left end of the left person standing platform with the left hanging frame; the right diagonal draw bar is used for connecting the right end of the right person standing platform with the right hanging frame; the distance between the left end of the left person standing platform and the right end of the right person standing platform is larger than the spacing distance between the longitudinal protruding strips on the two adjacent T-shaped beams. According to the hogging moment stretching platform, the width of the expanded hogging moment stretching platform is larger than the spacing distance between the longitudinal protruding strips of the box girder, and the problem that when an existing hanging basket is used, the distance between the hanging basket and a middle beam is large, and consequently safety is poor is solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a bridge construction equipment, especially a negative bending moment tension platform. BACKGROUND

[0002] The T beam comprises an intermediate beam extending along the longitudinal bridge direction and a top beam connected to the upper end of the intermediate beam, and the top beam outputs the intermediate beam along the lateral bridge direction. The intermediate beam is provided with longitudinal convex strips. When the two T beams of the box girder are located on the part of the longitudinal convex strips, the construction is carried out by hanging the basket, in order to enable the basket to pass through the longitudinal convex strips of the box girder, the width of the hanging basket is designed to be smaller than the interval distance between the longitudinal convex strips of the box girder, and the hanging basket of the structure is used, so that the interval distance between the intermediate beams is large, thereby resulting in poor safety. SUMMARY

[0003] The utility model aims at providing a negative bending moment tension platform which is larger than the interval distance between the longitudinal convex strips of the box girder after being opened, and solves the problem of poor safety caused by the large distance between the intermediate beams when the existing hanging basket is used.

[0004] In order to achieve the above-mentioned utility model purposes, the utility model adopts the following technology: a negative bending moment tension platform, characterized by comprising a middle standing platform, a left hanging frame connected to the left side of the middle standing platform at the lower end, a right hanging frame connected to the right side of the middle standing platform at the lower end, a left standing platform hinged to the left end of the middle standing platform at the right end, a right standing platform hinged to the right end of the middle standing platform at the left end, a left inclined pull rod connecting the left end of the left standing platform and the left hanging frame together, and a right inclined pull rod connecting the right end of the right standing platform and the right hanging frame together; the distance from the left end of the left standing platform to the right end of the right standing platform is larger than the interval distance between the longitudinal convex strips on the two adjacent T beams, one of the left hanging frame and the left standing platform is hinged together, and the other is detachably connected together, and one of the right hanging frame and the right standing platform is hinged together, and the other is detachably connected together. When installing, the left inclined pull rod and the right inclined pull rod are first removed, the left standing platform and the right standing platform are rotated upwards to fold to the utility model, the utility model can pass between the longitudinal convex strips on the two adjacent T beams, the utility model is hung between the two adjacent T beams, and the two inclined pull rods are installed, so that the left standing platform extends above the longitudinal convex strips on the T beam on the left side, the right standing platform extends above the longitudinal convex strips on the adjacent T beam on the right side, and the user stands on the standing platform to work. The utility model can be opened and closed, thereby avoiding the interference of the longitudinal convex strips on the T beam.

[0005] As preferred, the left inclined pull rod is hinged with the left hanger, and detachably connected with the left standing platform; the right inclined pull rod is hinged with the right hanger, and detachably connected with the right standing platform. It can make folding and assembling more convenient. The structure is more compact after folding.

[0006] As preferred, the lower end of the left inclined pull rod is provided with a left bolt hole, the left end of the left standing platform is provided with a left bolt pin arranged in the left bolt hole, and the left bolt pin is provided with a "T" shaped left anti-falling pin to prevent the left inclined pull rod from falling off the left bolt pin; the lower end of the right inclined pull rod is provided with a right bolt hole, the right end of the right standing platform is provided with a right bolt pin arranged in the right bolt hole, and the right bolt pin is provided with a "T" shaped right anti-falling pin to prevent the right inclined pull rod from falling off the right bolt pin.

[0007] As preferred, the left hanger comprises a left front vertical rod, a left rear vertical rod, and a plurality of left vertical rods connecting the left front vertical rod and the left rear vertical rod together, the left vertical rods are distributed in the up-down direction, and a hanging space is formed between adjacent left vertical rods; the right hanger comprises a right front vertical rod, a right rear vertical rod, and a plurality of right vertical rods connecting the right front vertical rod and the right rear vertical rod together, the right vertical rods are distributed in the up-down direction, and a hanging space is formed between adjacent right vertical rods. When used, the corresponding hanging rack is hung by arranging the hanging object in a hanging space.

[0008] As preferred, the left hanger is hinged with the middle standing platform through a left shaft pin extending in the front-rear direction, and the right hanger is hinged with the middle standing platform through a right shaft pin extending in the front-rear direction. It can make the left and right hanging racks foldable, so as to be hung by the exposed steel bars in the adjacent T-beam top beams, and improve the convenience when used.

[0009] As preferred, the left end of the middle standing platform is located between the left front vertical rod and the left rear vertical rod, the left end of the middle standing platform is placed on the lowermost left vertical rod, the left front vertical rod is provided with a left front vertical rod front long slot hole extending in the up-down direction, the left rear vertical rod is provided with a rear vertical rod left rear long slot hole extending in the up-down direction, the left shaft pin has two coaxial left shaft pins fixed on the front side and the rear side of the middle standing platform respectively, the front left shaft pin is arranged in the left front vertical rod front long slot hole, and the rear left shaft pin is arranged in the left rear vertical rod rear long slot hole; the right end of the middle standing platform is located between the right front vertical rod and the right rear vertical rod, the right end of the middle standing platform is placed on the lowermost right vertical rod, the right front vertical rod is provided with a right front vertical rod front long slot hole extending in the up-down direction, the right rear vertical rod is provided with a right rear vertical rod rear long slot hole extending in the up-down direction, the right shaft pin has two coaxial right shaft pins fixed on the front side and the rear side of the middle standing platform respectively, the front right shaft pin is arranged in the right front vertical rod front long slot hole, and the rear right shaft pin is arranged in the right rear vertical rod rear long slot hole. When the vertical rod and the vertical rod are broken, the shaft pin can hang the middle standing platform on the hanging frame, and plays an insurance role.

[0010] As preferred, the left front vertical rod front long slot hole, the left rear vertical rod rear long slot hole, the right front vertical rod front long slot hole and the right rear vertical rod rear long slot hole are all through holes. Convenient to manufacture.

[0011] Beneficial effects: convenient to pass through the vertical convex strip; good safety. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a front view schematic diagram of the utility model in use state;

[0013] Figure 2 It is Figure 1 It is a local enlarged schematic diagram of A of the utility model;

[0014] Figure 3 It is Figure 1 It is a local enlarged schematic diagram of B of the utility model;

[0015] Figure 4 It is Figure 1 It is a local enlarged schematic diagram of C of the utility model;

[0016] Figure 5 It is Figure 1 It is a local enlarged schematic diagram of D of the utility model.

[0017] In the figure: middle station human platform 1, left hanging rack 2, right hanging rack 3, left station human platform 4, right station human platform 5, left inclined pull rod 6, right inclined pull rod 7, longitudinal convex strip 8, middle beam 9, top beam 10, left bolt hole 11, left bolt 12, left anti-escape bolt 13, right bolt hole 14, right bolt 15, right anti-escape bolt 16, left front vertical rod 17, left longitudinal rod 18, right front vertical rod 19, right longitudinal rod 20, left shaft pin 21, right shaft pin 22, left longitudinal rod at the lowest position 23, left front vertical rod part front long strip hole 24, right longitudinal rod at the lowest position 25, right front vertical rod part front long strip hole 26, steel head 27. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0019] Referring to Figures 1 to 5The negative bending moment stretching platform comprises a middle station platform 1, a left hanging frame 2 connected to the left side of the middle station platform at the lower end, a right hanging frame 3 connected to the right side of the middle station platform at the lower end, a left station platform 4 hinged to the left end of the middle station platform at the right end, a right station platform 5 hinged to the right end of the middle station platform at the left end, a left inclined pull rod 6 connecting the left end of the left station platform and the left hanging frame together, and a right inclined pull rod 7 connecting the right end of the right station platform and the right hanging frame together. The distance from the left end of the left station platform to the right end of the right station platform is greater than the interval distance between the longitudinal protrusions 8 on the adjacent two T-beams, and the T-beam comprises a middle beam 9 and a top beam 10. The left inclined pull rod is hinged to the left hanging frame and detachably connected to the left station platform, and specifically, the lower end of the left inclined pull rod is provided with a left bolt hole 11, the left end of the left station platform is provided with a left bolt 12 inserted into the left bolt hole, and the left bolt is provided with a left T-shaped bolt 13 preventing the left inclined pull rod from falling off the left bolt. The right inclined pull rod is hinged to the right hanging frame and detachably connected to the right station platform, and specifically, the lower end of the right inclined pull rod is provided with a right bolt hole 14, the right end of the right station platform is provided with a right bolt 15 inserted into the right bolt hole, and the right bolt is provided with a right T-shaped bolt 16 preventing the right inclined pull rod from falling off the right bolt. The left hanging frame comprises a left front vertical rod 17, a left rear vertical rod, and a plurality of left vertical rods 18 connecting the left front vertical rod and the left rear vertical rod together, the left vertical rods are distributed in the up-down direction, and a hanging space is formed between the adjacent left vertical rods; the right hanging frame comprises a right front vertical rod 19, a right rear vertical rod, and a plurality of right vertical rods 20 connecting the right front vertical rod and the right rear vertical rod together, the right vertical rods are distributed in the up-down direction, and a hanging space is formed between the adjacent right vertical rods. The left hanging frame is hinged to the middle station platform through a left shaft pin 21 extending in the front-rear direction, and the right hanging frame is hinged to the middle station platform through a right shaft pin 22 extending in the front-rear direction.The left end of the middle standing platform is located between the left front vertical rod and the left rear vertical rod, and the left end of the middle standing platform is placed on the lowermost left longitudinal rod 23. The left front vertical rod is provided with a left front vertical rod front long slot hole 24 extending in the up-down direction. The left rear vertical rod is provided with a left rear vertical rod rear long slot hole extending in the up-down direction. There are two left shaft pins coaxially fixed to the front side and the rear side of the middle standing platform. The front left shaft pin is arranged in the left front vertical rod front long slot hole, and the rear left shaft pin is arranged in the rear vertical rod left rear long slot hole. The right end of the middle standing platform is located between the right front vertical rod and the right rear vertical rod, and the right end of the middle standing platform is placed on the lowermost right longitudinal rod 25. The right front vertical rod is provided with a right front vertical rod front long slot hole 26 extending in the up-down direction. The right rear vertical rod is provided with a right rear vertical rod rear long slot hole extending in the up-down direction. There are two right shaft pins coaxially fixed to the front side and the rear side of the middle standing platform. The front right shaft pin is arranged in the right front vertical rod front long slot hole, and the rear right shaft pin is arranged in the right rear vertical rod rear long slot hole. The left front vertical rod front long slot hole, the left rear vertical rod rear long slot hole, the right front vertical rod front long slot hole, and the right rear vertical rod rear long slot hole are all through holes.

[0020] When installing, the left inclined pull rod is separated from the left standing platform, the right inclined pull rod is separated from the right standing platform, the left standing platform and the right standing platform are turned upward to be folded to the utility model capable of passing between the longitudinal protrusions on the two adjacent T-beams, the utility model is moved upward to pass through the gap between the top beams on the two adjacent T-beams, the left and right hanging frames are hung on the exposed steel bar heads 27 on the top beams to realize that the utility model is hung between the two adjacent T-beams, and both of the two inclined pull rods are installed, so that the left standing platform extends above the longitudinal protrusions on the T-beam on the left side, the right standing platform extends above the longitudinal protrusions on the T-beam on the right side, and the user stands on the standing platform to work.

[0021] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, preclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0022] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A negative moment tension platform characterized by, The left station platform is hinged at the left end of the middle station platform, the right station platform is hinged at the right end of the middle station platform, the left oblique pull rod connects the left end of the left station platform and the left hanger together, and the right oblique pull rod connects the right end of the right station platform and the right hanger together.

2. A negative moment tension platform according to claim 1, wherein, The left oblique pull rod is hinged with the left hanger and detachably connected with the left station platform, and the right oblique pull rod is hinged with the right hanger and detachably connected with the right station platform.

3. A negative moment tension platform according to claim 2, wherein, The left end of the left station platform is farther from the right end of the right station platform than the interval distance between the longitudinal protrusions on the two adjacent T-beams, the left oblique pull rod is hinged with one of the left hanger and the left station platform and detachably connected with the other, and the right oblique pull rod is hinged with one of the right hanger and the right station platform and detachably connected with the other.

4. A negative-bending moment stretching platform according to claim 1 or 2 or 3, characterized in that, The left hanger comprises a left front vertical rod, a left rear vertical rod and a plurality of left vertical rods connecting the left front vertical rod and the left rear vertical rod together, the left vertical rods are distributed in the up-down direction, and a suspension space is formed between adjacent left vertical rods; the right hanger comprises a right front vertical rod, a right rear vertical rod and a plurality of right vertical rods connecting the right front vertical rod and the right rear vertical rod together, the right vertical rods are distributed in the up-down direction, and a suspension space is formed between adjacent right vertical rods.

5. A negative moment tension platform according to claim 4, wherein, The left hanger is hinged with the middle station platform through a left shaft pin extending in the front-rear direction, and the right hanger is hinged with the middle station platform through a right shaft pin extending in the front-rear direction.

6. A negative moment tension platform according to claim 5, wherein, The left end of the middle standing platform is located between the left front vertical rod and the left rear vertical rod, and the left end of the middle standing platform is placed on the lowermost left vertical rod. The left front vertical rod is provided with a left front vertical rod front long slot hole extending in the up-down direction. The left rear vertical rod is provided with a rear vertical rod left rear long slot hole extending in the up-down direction. The left shaft pin has two coaxial left shaft pins fixed on the front side and the rear side of the middle standing platform. The front left shaft pin is arranged in the left front vertical rod front long slot hole, and the rear left shaft pin is arranged in the left rear vertical rod rear long slot hole. The right end of the middle standing platform is located between the right front vertical rod and the right rear vertical rod, and the right end of the middle standing platform is placed on the lowermost right vertical rod. The right front vertical rod is provided with a right front vertical rod front long slot hole extending in the up-down direction. The right rear vertical rod is provided with a right rear vertical rod rear long slot hole extending in the up-down direction. The right shaft pin has two coaxial right shaft pins fixed on the front side and the rear side of the middle standing platform. The front right shaft pin is arranged in the right front vertical rod front long slot hole, and the rear right shaft pin is arranged in the right rear vertical rod rear long slot hole.

7. A negative moment tension platform according to claim 6, wherein, The left front vertical rod front long slot hole, the left rear vertical rod rear long slot hole, the right front vertical rod front long slot hole, and the right rear vertical rod rear long slot hole are all through holes.