Temporary supporting sand box for rotating body

By designing the upper cylinder, lower steel pipe, and rib ring structure of the rotating temporary support sand box, the problems of inconvenient sand box hoisting and lower steel pipe deformation were solved, achieving stable hoisting and smooth descent of the sand box.

CN223660660UActive Publication Date: 2025-12-12CHINA FIRST HIGHWAY ENGINEERING CO LTD
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Patent Information

Application Number
CN202520032767.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-07
Publication Date
2025-12-12
Estimated Expiration
2035-01-07

AI Technical Summary

Technical Problem

The existing temporary support sand box for rotation lacks a specific installation structure during hoisting, making it difficult to stably splice the sand box, and the lower steel pipe is prone to deformation during hoisting, affecting the smoothness of sand unloading.

Method used

A rotating temporary support sand box was designed, including an upper cylinder, a lower steel pipe, a cover plate, bolts, and a rib ring structure. By setting up components such as lifting lugs, positioning blocks, and positioning hourglasses, the ease of hoisting and the rigidity of the lower steel pipe are improved, and deformation is prevented.

Benefits of technology

This ensured stable hoisting and smooth descent of the sand box, reduced deformation during hoisting, and guaranteed a smooth sand unloading process.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223660660U_ABST
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Abstract

The utility model relates to a temporary supporting sand box for a rotating body, which comprises an upper cylinder filled with concrete, a first lifting lug arranged on the side surface of the upper end of the upper cylinder, and a sand unloading hole arranged on the side surface of the lower end of the upper cylinder; the lower steel pipe slidably sleeves the lower end of the upper cylinder and is filled with fine sand, the side surface of the upper end of the lower steel pipe is provided with a second lifting lug, and the bottom surface of the lower steel pipe is fixedly connected with a bottom plate; the cover plate covers the sand unloading hole; the cover plate is fastened on the lower steel pipe through the bolt; and the rib ring surrounds the peripheral surface of the lower steel pipe. According to the utility model, hoisting is facilitated, the rigidity of the lower steel pipe can be improved, and deformation generated in the hoisting process is reduced, so that sand unloading and stable descending of the sand box are prevented from being influenced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of swivel bridge construction, especially a swivel temporary support sand box. BACKGROUND

[0002] In the bridge swivel construction process, the bridge swivel needs to be lowered to the support foot, at this time, the sand in the swivel temporary support sand box is unloaded, and the bridge swivel is gradually placed on the support foot to convert the support; for example, Chinese invention application CN 111676833 A discloses a non-symmetrical beam horizontal swivel construction device and construction method without weighing and counterweight, which comprises upper and lower spherical hinges, load-bearing support feet, ordinary support feet, a sand box, a traction cable, a counterforce seat, a power device and the like. The sand box lacks a specific installation structure, which is not convenient for the splicing and installation of the sand box itself. SUMMARY

[0003] The utility model solves the technical problem to provide a swivel temporary support sand box, which is beneficial to hoisting, can improve the rigidity of the lower steel pipe, reduce the deformation generated in the hoisting process, and thus avoid affecting the sand unloading and the stable lowering of the sand box.

[0004] To solve the above problems, a swivel temporary support sand box is adopted, which comprises:

[0005] The upper cylinder is filled with concrete inside, the first lifting lug is arranged on the upper end side thereof, and the sand unloading hole is arranged on the lower end side thereof;

[0006] The lower steel pipe is slidably connected to the lower end of the upper cylinder, is filled with fine sand inside, the second lifting lug is arranged on the upper end side thereof, and the bottom plate is fixedly connected to the bottom surface thereof;

[0007] The cover plate covers the sand unloading hole;

[0008] The bolt tightly fixes the cover plate on the lower steel pipe;

[0009] The rib ring is arranged on the peripheral surface of the lower steel pipe.

[0010] With such a structure, the first lifting lug and the second lifting lug facilitate the hoisting of the upper cylinder and the lower steel pipe, the rib ring prevents the deformation of the lower steel pipe under pressure, prevents the deformed part from being stuck after the upper cylinder deviates, and affects the lowering.

[0011] As a further improvement of the utility model, the first positioning block is arranged on the side surface of the upper cylinder, the positioning rod is fixed on the first positioning block; the second positioning block is arranged on the side surface of the lower steel pipe, the positioning hourglass is installed on the second positioning block, and the lower end port of the positioning hourglass is slidably matched with the positioning rod.

[0012] With the structure, the upper positioning hourglass has a larger flared portion, facilitating insertion of the positioning rod, and the positioning rod is inserted into the second positioning block along the slope of the positioning hourglass, facilitating quick hoisting and quick splicing of the upper cylinder.

[0013] As a further improvement of the utility model, a tapered hole is arranged on the second positioning block, the tapered hole is matched with the root of the positioning hourglass, and the lower end of the positioning hourglass slides through the tapered hole.

[0014] With the structure, the positioning hourglass can be stably inserted into the second positioning block.

[0015] As a further improvement of the utility model, the upper end of the lower steel pipe is chamfered.

[0016] With the structure, the upper cylinder can be hoisted into the lower steel pipe.

[0017] As a further improvement of the utility model, vertical ribs are arranged on the rib ring.

[0018] With the structure, the vertical ribs are beneficial to further improving the rigidity of the lower steel pipe.

[0019] The utility model is beneficial to hoisting, can improve the rigidity of the lower steel pipe, reduce deformation generated in the hoisting process, and thus avoid affecting sand unloading and stable lowering of the sand box. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a structural schematic view of an embodiment.

[0021] Figure 2 It is a sectional view of another angle of an embodiment.

[0022] Figure 3 It is a schematic view of interval arrangement between the sand box and the supporting leg.

[0023] Figure 4 It is a structural schematic view of another embodiment.

[0024] The drawing mark: 1, upper cylinder;101, first lifting lug;102, sand unloading hole;2, concrete;3, lower steel pipe;301, fine sand;302, second lifting lug;303, bottom plate;4, cover plate;5, bolt;6, rib ring;7, first positioning block;8, positioning rod;9, second positioning block;901, tapered hole;10, positioning hourglass;11, vertical rib. DETAILED DESCRIPTION

[0025] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0026] In the description of the present application, it should be noted that the directions or position relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like are the directions or position relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and are not intended to indicate or imply that the devices or elements referred to must have a particular direction, be constructed and operated in a particular direction, and therefore cannot be understood as limiting the present application; the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance; in addition, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0027] Embodiment 1

[0028] As shown in Figures 1-4 A temporary support sand box for a rotating body, comprising:

[0029] An upper cylinder 1 filled with concrete 2 in the inside, a first lifting lug 101 arranged on the upper end side, and a sand discharging hole 102 arranged on the lower end side;

[0030] A lower steel pipe 3 slidably sleeved on the lower end of the upper cylinder 1, filled with fine sand 301 in the inside, a second lifting lug 302 arranged on the upper end side, and a bottom plate 303 fixedly connected to the bottom surface;

[0031] A cover plate 4 covering the sand discharging hole 102;

[0032] A bolt 5 fixedly connecting the cover plate 4 to the lower steel pipe 3;

[0033] A rib ring 6 surrounding the peripheral surface of the lower steel pipe 3.

[0034] With the structure, the first lifting lug 101 and the second lifting lug 302 facilitate hoisting the upper cylinder 1 and the lower steel pipe 3, and the rib ring 6 prevents the lower steel pipe 3 from being deformed under pressure and prevents the deformed part from being caught by the upper cylinder 1 after being deviated, thereby affecting the lowering.

[0035] In the embodiment, the first positioning block 7 is arranged on the side of the upper cylinder 1, and the positioning rod 8 is fixed on the first positioning block 7; the second positioning block 9 is arranged on the side of the lower steel pipe 3, and the positioning hourglass 10 is installed on the second positioning block 9, and the lower end of the positioning hourglass 10 is slidably matched with the positioning rod 8.

[0036] With the structure, the upper part of the positioning hourglass 10 is flared to facilitate the insertion of the positioning rod 8, and the positioning rod 8 is slidably inserted into the second positioning block 9 along the inclined surface of the positioning hourglass 10, thereby facilitating the quick hoisting and quick splicing of the upper cylinder 1.

[0037] In the embodiment, the tapered hole 901 is arranged on the second positioning block 9, and the positioning hourglass 10 is matched with the tapered hole 901, and the lower end of the positioning hourglass 10 is slidably arranged out of the tapered hole 901.

[0038] With the structure, the positioning hourglass 10 can be stably inserted into the second positioning block 9.

[0039] In the embodiment, the upper end of the lower steel pipe 3 is chamfered.

[0040] With the structure, the upper cylinder 1 is facilitated to be hoisted into the lower steel pipe 3.

[0041] In the embodiment, the vertical rib 11 is arranged on the rib ring 6.

[0042] With the structure, the vertical rib 11 is beneficial to further improving the rigidity of the lower steel pipe 3.

[0043] The utility model is beneficial to hoisting, and can improve the rigidity of the lower steel pipe, reduce the deformation generated in the hoisting process, and avoid affecting the sand unloading and the stable lowering of the sand box.

[0044] The above content is a further detailed description of the utility model in combination with the preferred embodiment, and the specific implementation of the utility model cannot be limited to the description. For the person skilled in the art to which the utility model belongs, without departing from the concept of the utility model, a number of equivalent substitutions or obvious modifications can be made, and the performance or use is the same, which should be regarded as belonging to the protection scope of the utility model.

Claims

1. A swivel temporary support sand box, characterized by The utility model relates to a sand discharging device for concrete pouring, which comprises: an upper cylinder (1) filled with concrete (2) in the inside, a first lifting lug (101) arranged on the upper end side of the upper cylinder (1), and a sand discharging hole (102) arranged on the lower end side of the upper cylinder (1); a lower steel pipe (3) slidably sleeved on the lower end of the upper cylinder (1), fine sand (301) filled in the inside of the lower steel pipe (3), a second lifting lug (302) arranged on the upper end side of the lower steel pipe (3), and a bottom plate (303) fixedly connected to the bottom surface of the lower steel pipe (3); a cover plate (4) covering the sand discharging hole (102); a bolt (5) for fixing the cover plate (4) on the lower steel pipe (3); and a rib ring (6) surrounding the peripheral surface of the lower steel pipe (3).

2. The swivel body temporary support sand mold according to claim 1, wherein A first positioning block (7) is arranged on the side surface of the upper cylinder (1), and a positioning rod (8) is fixed on the first positioning block (7); a second positioning block (9) is arranged on the side surface of the lower steel pipe (3), a positioning hourglass (10) is installed on the second positioning block (9), and the lower port of the positioning hourglass (10) is slidably matched with the positioning rod (8).

3. The swivel body temporary support sand box according to claim 2, wherein A tapered hole (901) is arranged on the second positioning block (9), the tapered hole (901) is matched with the root of the positioning hourglass (10), and the lower port of the positioning hourglass (10) is slidably penetrated through the tapered hole (901).

4. The swivel body temporary support sand box according to claim 3, wherein The upper port of the lower steel pipe (3) is chamfered.

5. The swivel body temporary support sand box according to claim 1, wherein Vertical ribs (11) are arranged on the rib ring (6).

Citation Information

Patent Citations

  • Weighing and counterweight-free asymmetric beam horizontal rotation construction device and construction method

    CN111676833A