Limiting unloading device of double-layer bracket

By designing an integrated structure of limiting horizontal and vertical bars and an unloading structure, the flexibility problem of double-layer bracket limiting and lowering operations is solved, achieving highly reliable integrated operation and adapting to stress optimization under different construction conditions.

CN223562020UActive Publication Date: 2025-11-18ROAD & BRIDGE INT CO LTD +1
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Patent Information

Application Number
CN202321611347.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-06-25
Publication Date
2025-11-18
Estimated Expiration
2033-06-25

AI Technical Summary

Technical Problem

The existing double-layer bracket limiter for lowering the frame cannot be flexibly adjusted, resulting in high construction risks and suboptimal structural stress.

Method used

A single structure is formed by limiting horizontal bars and limiting vertical bars. Combined with a load-bearing structure, the distribution beam is flexibly unloaded and the stress state is adjusted by using tie rods and inclined planes.

Benefits of technology

It integrates the limiting and fixing of the double-layer bracket with the unloading operation, improving construction safety and optimizing structural stress, and adapting to different construction conditions.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223562020U_ABST
Patent Text Reader

Abstract

The limiting unloading device comprises a limiting transverse rod and at least two parallel limiting vertical rods, the limiting transverse rod is parallel to a lower-layer bracket and an upper-layer bracket, the bottoms of the two limiting vertical rods are connected with the lower-layer bracket, and the limiting vertical rods are parallel to the lower-layer bracket and the upper-layer bracket. The tops of the two limiting vertical rods are connected with the limiting transverse rod, and the limiting transverse rod is connected with an upper-layer bracket. The distribution beam and the unloading structure are located between the two limiting vertical rods respectively, the unloading structure abuts against the lower-layer bracket, the bottom of the distribution beam is connected with the unloading structure, the top of the distribution beam can abut against the limiting transverse rod, and the unloading structure is connected with the lower-layer bracket. The unloading structure can drive the distribution beam to unload in the vertical direction, and the reliability is high.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of limiting unloading, in particular to a double-layer bracket limiting unloading device. BACKGROUND

[0002] High pier special-shaped bent cap construction mostly adopts double-layer bracket sectional pouring, before the bent cap construction, the limiting fixing of double-layer bracket is well done, the structural safety and reliability are guaranteed, when the construction condition changes, the stress condition of double-layer bracket should be combined, flexible adjustment is done, the safety unloading of structure is well done, and the structure reaches the optimal stress state. The existing double-layer bracket limiting unloading operation is often set in parts, and the force transmission limiting method of layer bracket is mainly that distribution beams are arranged between double-layer brackets, the distribution beams and chord rods of upper and lower layer brackets are welded, the upper and lower layer brackets are connected into a whole, and unloading blocks or sand barrels are arranged at the supporting position of lower layer bracket to unload the bracket. SUMMARY

[0003] The utility model discloses a double-layer bracket limiting unloading device, which can realize the integration of limiting fixing and unloading operation of double-layer bracket and has high reliability.

[0004] The double-layer bracket limiting unloading device according to the utility model embodiment comprises a limiting horizontal rod and at least two limiting vertical rods arranged in parallel, the limiting horizontal rod is parallel to the lower layer bracket and the upper layer bracket respectively, the bottoms of the two limiting vertical rods are connected with the lower layer bracket respectively, the tops of the two limiting vertical rods are connected with the limiting horizontal rod respectively, and the limiting horizontal rod is connected with the upper layer bracket. The distribution beam and the unloading structure are located between the two limiting vertical rods respectively, the unloading structure abuts against the lower layer bracket, the bottom of the distribution beam is connected with the unloading structure, the top of the distribution beam can abut against the limiting horizontal rod, and the unloading structure can drive the distribution beam to unload in the vertical direction.

[0005] According to the utility model embodiment's double -deck bracket's spacing unloading device, the unloading structure includes pull rod, fixed part and sets up first unloading block and second unloading block on lower layer bracket, be equipped with first through -hole on the first unloading block, be equipped with second through -hole on the second unloading block, the pull rod passes the first through -hole and the second through -hole in proper order, the fixed part is detachably arranged at the both ends of the pull rod respectively and is respectively with the first unloading block and the second unloading block abuts, be equipped with first inclined plane on the first unloading block, be equipped with second inclined plane on the second unloading block, the bottom of distribution beam is respectively with the first inclined plane and the second inclined plane abuts, after the fixed part is dismantled, pull rod is extracted, due to the pressure on distribution beam, make the first unloading block and the second unloading block slide to both sides along the horizontal direction, make the bottom of distribution beam along first inclined plane and second inclined plane unloading downward, and by controlling the spacing of fixed part distance first unloading block and second unloading block thereby adjusting the relative sliding distance between the first unloading block and the second unloading block, thereby control distribution beam's unloading height.

[0006] According to the utility model embodiment's double -deck bracket's spacing unloading device, the first inclined plane and the second inclined plane are symmetrical about the middle line between the first unloading block and the second unloading block.

[0007] According to the utility model embodiment's double -deck bracket's spacing unloading device, the unloading structure further includes a third unloading block, the top of the third unloading block is connected with the bottom of the distribution beam, the bottom of the third unloading block is provided with a third inclined surface and a fourth inclined surface on both sides, the third inclined surface can be attached to the first inclined surface, and the fourth inclined surface can be attached to the second inclined surface, the third unloading block serves to connect the distribution beam and facilitate attachment to the first inclined surface and the second inclined surface.

[0008] According to the utility model embodiment's double -deck bracket's spacing unloading device, the top of the second unloading block is fixedly connected or abuts with the bottom of the distribution beam.

[0009] According to the utility model embodiment's double -deck bracket's spacing unloading device, the pull rod is provided with a thread, the fixed part is a nut, and the fixed part is threadedly connected with the pull rod.

[0010] According to the utility model embodiment's double -deck bracket's spacing unloading device, the length of the distribution beam is greater than the width of the limiting cross bar, and the length direction of the distribution beam is perpendicular to the limiting cross bar, thereby ensuring reliability.

[0011] According to the utility model embodiment's double -deck bracket's spacing unloading device, the limiting cross bar includes two horizontally arranged horizontal rods, and the top ends of the limiting vertical rods are connected with the two horizontal rods, thereby ensuring supportability while reducing the weight of the limiting cross bar.

[0012] The limiting and unloading device of the double-layer bracket has at least the following beneficial effects: the limiting horizontal rod and the limiting vertical rod form a limiting structure, the limiting structure connects the upper bracket and the lower bracket into one body, at this time, the limiting structure also has the function of force transmission, when the bracket unloading operation is performed, the distribution beam is unloaded downward through the unloading structure, the upper bracket and the lower bracket are separated, the reliability is high, and the integration of the limiting and fixing of the double-layer bracket and the bracket unloading operation is realized; that is, before the construction of the bent cap, the limiting and fixing of the upper bracket and the lower bracket is completed through the limiting structure, the structural safety and reliability are ensured, when the construction condition changes, the safety unloading of the distribution beam is completed through flexible adjustment of the unloading structure in combination with the stress state of the double-layer bracket, and the structure reaches the optimal stress state.

[0013] Additional aspects and advantages of the present application will be described in the following description, some of which will become apparent from the following description. BRIEF DESCRIPTION OF DRAWINGS

[0014] The specific embodiments of the present application will be further described in the following with reference to the accompanying drawings;

[0015] Figure 1 is a structure diagram of the limiting and unloading device on the double-layer bracket;

[0016] Figure 2 is a front view of the limiting and unloading device of the double-layer bracket;

[0017] Figure 3 is a right view of the limiting and unloading device of the double-layer bracket;

[0018] Figure 4 is a top view of the limiting and unloading device of the double-layer bracket. DETAILED DESCRIPTION

[0019] This part will describe the specific embodiments of the present application in detail, the preferred embodiments of the present application are shown in the accompanying drawings, the function of the drawings is to supplement the description of the text part with figures, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the present application, but it cannot be understood as the limitation of the protection scope of the present application.

[0020] In the description of the present application, it should be understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right and the like, is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and cannot be understood as indicating or implying that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present application.

[0021] In the description of the utility model, if several meanings are one or more, the meaning of multiple is two or more, greater than, less than, exceed and the like are understood as not including the number, above, below, within and the like are understood as including the number. If it is described to the first, the second is only used for distinguishing the purpose of technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0022] With reference to Figures 1 to 4 The utility model discloses a double-layer bracket's spacing unloading device, including spacing cross bar 11, at least two parallelly arranged spacing vertical rods 12, distribution beam 13 and unloading structure, spacing cross bar 11 is parallel with lower layer bracket 10 and upper layer bracket 20 respectively, and the bottom of two spacing vertical rods 12 is connected with lower layer bracket 10 respectively, and the top of two spacing vertical rods 12 is connected with spacing cross bar 11 respectively, and spacing cross bar 11 is connected with upper layer bracket 20;Distribution beam 13 and unloading structure are located between two spacing vertical rods 12 respectively, and unloading structure abuts with lower layer bracket 10, and the bottom of distribution beam 13 is connected with unloading structure, and the top of distribution beam 13 can abut with spacing cross bar 11, and unloading structure can drive distribution beam 13 and unload along the vertical direction. Spacing cross bar 11 and spacing vertical rod 12 form spacing structure, and the spacing structure makes upper layer bracket 20 and lower layer bracket 10 into one, and the spacing structure still has the force transmission function at this time, when unloading, makes distribution beam 13 unload downward through unloading structure, makes upper layer bracket 20 and lower layer bracket 10 separate, and the reliability is high, realizes the integration of spacing fixation and unloading of double-layer bracket. That is, before the construction of bent cap, the spacing fixation of upper layer bracket 20 and lower layer bracket 10 is done through spacing structure, guarantees the safe and reliable structure, when the construction condition changes, in combination with the stress state of double-layer bracket, is adjusted flexibly through unloading structure, and the safe unloading of distribution beam 13 is done, and the structure reaches the optimal stress state.

[0023] As Figure 2As shown, the unloading structure includes a pull rod 24, a fixing piece 25, and a first unloading block 21 and a second unloading block 22 arranged on the lower bracket 10, the first unloading block 21 is provided with a first through hole, the second unloading block 22 is provided with a second through hole, the pull rod 24 passes through the first through hole and the second through hole in sequence, the fixing piece 25 is detachably arranged at both ends of the pull rod 24 and abuts against the first unloading block 21 and the second unloading block 22 respectively, the first unloading block 21 is provided with a first inclined surface, the second unloading block 22 is provided with a second inclined surface, the bottom of the distribution beam 13 abuts against the first inclined surface and the second inclined surface respectively, after the fixing piece 25 is disassembled and the pull rod 24 is pulled out, due to the pressure on the distribution beam 13, the first unloading block 21 and the second unloading block 22 slide apart along the horizontal direction, the bottom of the distribution beam 13 is unloaded downward along the first inclined surface and the second inclined surface, and the unloading height of the distribution beam 13 is adjusted by controlling the distance between the fixing piece 25 and the first unloading block 21 and the second unloading block 22, so as to control the relative sliding distance between the first unloading block 21 and the second unloading block 22; according to different pouring working conditions, the stress state of the upper bracket 20 and the lower bracket 10 can be flexibly adjusted, only the first unloading block 21 and the second unloading block 22 are unloaded, the upper bracket 20 can be safely separated from the distribution beam 13, the structure can reach the optimal service state, and the next pouring working condition can be adapted; the unloading structure is suitable for different types of double-layer bracket limiting and unloading operations.

[0024] In some embodiments, the first inclined surface and the second inclined surface are symmetrical about the middle line between the first unloading block 21 and the second unloading block 22, the structure is regular, unloading is facilitated, and processing and manufacturing are facilitated.

[0025] In some embodiments, the unloading structure further includes a third unloading block 23, the top of the third unloading block 23 is connected with the bottom of the distribution beam 13, the bottom of the third unloading block 23 is provided with a third inclined surface and a fourth inclined surface respectively, the third inclined surface can be attached to the first inclined surface, and the fourth inclined surface can be attached to the second inclined surface; the distribution beam 13 is relatively bulky, and the inclined surface does not need to be processed on the bottom of the distribution beam 13, only the third unloading block 23 needs to be processed, so that the third unloading block 23 can be attached to the inclined surfaces of the first unloading block 21 and the second unloading block 22, the process is simple, and implementation is facilitated.

[0026] In some embodiments, the top of the second unloading block 22 is fixedly connected with the bottom of the distribution beam 13, such as welding, and can also be detachably connected or abutted.

[0027] In some embodiments, the pull rod 24 is provided with a thread, the fixing piece 25 is a nut, and the fixing piece 25 is threadedly connected with the pull rod 24, so as to be convenient for fixing and loosening, and to adjust the unloading height of the distribution beam 13.

[0028] As Figure 3As shown, the length of the distribution beam 13 is greater than the width of the limiting cross bar 11, and the length direction of the distribution beam 13 is perpendicular to the limiting cross bar 11, thereby ensuring reliability.

[0029] As shown, in some embodiments, the limiting cross bar 11 comprises two horizontally arranged horizontal bars, and the top ends of the limiting vertical bars 12 are connected to the two horizontal bars respectively, thereby ensuring support and reducing the weight of the limiting cross bar 11. Figure 4

[0030] Those skilled in the art can understand that the above preferred modes can be freely combined and superimposed without conflict.

[0031] The above is only the preferred embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structural transformation, direct or indirect application in other related technical fields under the utility model concept of the present application are included in the patent protection range of the present application.​

Claims

1. A double-layered carrier position-limiting and unloading device, characterized in that, The utility model relates to a kind of limit horizontal pole and at least two limit vertical pole, the limit horizontal pole (11) is respectively parallel with lower bracket (10) and upper bracket (20), the bottom of two limit vertical pole (12) is respectively connected with lower bracket (10), the top of two limit vertical pole (12) is respectively connected with the limit horizontal pole (11), the limit horizontal pole (11) is connected with upper bracket (20); Distribution beam (13) and unloading structure, the distribution beam (13) and the unloading structure are respectively located between two limit vertical pole (12), the unloading structure is abutted with the lower bracket (10), the bottom of the distribution beam (13) is connected with the unloading structure, the top of the distribution beam (13) can be abutted with the limit horizontal pole (11), the unloading structure can drive the distribution beam (13) unloading along vertical direction; The unloading structure includes pull rod (24), fixed part (25) and first unloading block (21) and second unloading block (22) on the lower bracket (10), first through hole is provided on the first unloading block (21), second through hole is provided on the second unloading block (22), the pull rod (24) passes through first through hole and second through hole in turn, the fixed part (25) is respectively detachably arranged at both ends of the pull rod (24) and is respectively abutted with the first unloading block (21) and the second unloading block (22), first inclined surface is provided on the first unloading block (21), second inclined surface is provided on the second unloading block (22), the bottom of the distribution beam (13) is respectively abutted with the first inclined surface and the second inclined surface. The first inclined surface and the second inclined surface are symmetric about the midline between the first unloading block (21) and the second unloading block (22).

2. The dual tier carrier positioner and drop-off apparatus of claim 1, wherein: The unloading structure further includes third unloading block (23), the top of the third unloading block (23) is connected with the bottom of the distribution beam (13), the bottom of the third unloading block (23) is provided with third inclined surface and fourth inclined surface on both sides, the third inclined surface can be fitted with the first inclined surface, and the fourth inclined surface can be fitted with the second inclined surface.

3. The dual tier carrier positioner and drop-off apparatus of claim 1, wherein: The top of the second unloading block (22) is fixedly connected or abutted with the bottom of the distribution beam (13).

4. The dual tier carrier positioner and drop-off apparatus of claim 3, wherein: Thread is provided on the pull rod (24), the fixed part (25) is nut, and the fixed part (25) is threadedly connected with the pull rod (24).

5. The dual tier carrier positioner of claim 1, wherein: The length of the distribution beam (13) is greater than the width of the limit horizontal pole (11) or upper bracket (20), and the length direction of the distribution beam (13) is perpendicular to the limit horizontal pole (11).

6. The dual tier carrier positioner and drop-off apparatus of claim 1, wherein: The limit horizontal pole (11) includes two horizontally arranged horizontal rods, and the top of the limit vertical pole (12) is connected with the two horizontal rods.

7. The dual tier carrier positioner and drop-off apparatus of claim 1, wherein: ​