Expansion type lifting frame body based on bridge deck slab installation and construction

Abstract

The utility model discloses an extension type hoisting frame body based on bridge deck slab installation construction, which comprises an extension frame body structure which is fixedly connected and assembled on a hoisting tool base in a transmission manner to form a positioning extension type hoisting platform; the inhaul cable limiting structure comprises a lifting hook body and a limiting sleeve, a plurality of groups of lifting hook bodies and limiting sleeves are arranged, and the plurality of groups of lifting hook bodies are fixedly connected to the positioning extension type lifting platform in a distributed manner so as to lift an inhaul cable; the multiple sets of limiting sleeves are fixedly connected to the positioning extension type hoisting platform in a distributed mode and located on the side portions of the peripheries of the multiple sets of lifting hook bodies in a one-to-one correspondence mode so as to form a linear limiting function corresponding to the inhaul cables. The technical problem that in the prior art, when bridge deck slabs are hoisted and installed, the position adjusting accuracy is not high is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge engineering technical field, specifically, relate to an extension type hoisting frame based on bridge deck slab installation construction. BACKGROUND

[0002] In the field of bridge engineering construction, the installation of bridge deck slab is a crucial construction link, and its installation precision directly affects the structural performance and subsequent use safety of the bridge as a whole. At present, the hoisting method commonly used in bridge deck slab construction is to directly hang a plurality of hoisting ropes by using a lifting hook, and these hoisting ropes are further connected to each designated point of the bridge deck slab, so as to realize the hoisting operation of the bridge deck slab from the prefabrication site to the predetermined installation position.

[0003] From the practical application, this kind of traditional hoisting method can meet the basic hoisting needs of the bridge deck slab to a certain extent, and the bridge deck slab is roughly placed near the target area. However, due to the relatively simple and extensive connection of the lifting hook and the hoisting rope, the lifting hook itself is difficult to avoid swinging during position adjustment, and the flexible cable is easy to further transmit oscillation under the action of swinging, resulting in the lack of precise hoisting control means. Especially in the fine adjustment stage with higher accuracy requirements, it is difficult to cooperatively ensure the stability and accuracy of the overall hoisting and positioning action. SUMMARY

[0004] Therefore, the utility model provides an extension type hoisting frame based on bridge deck slab installation construction to solve the technical problem of low positioning accuracy in the prior art for bridge deck slab hoisting and installation.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0006] An extension type hoisting frame based on bridge deck slab installation construction comprises:

[0007] The extension frame structure is transmissionally and fixedly connected and assembled on the lifting tool base to form a positioning extension type hoisting platform.

[0008] The cable limiting structure comprises a lifting hook body and a limiting sleeve.

[0009] The lifting hook body and the limiting sleeve are each provided with a plurality of groups, the plurality of groups of lifting hook bodies are distributedly and fixedly connected on the positioning extension type hoisting platform to hoist the cable, and the plurality of groups of limiting sleeves are distributedly and fixedly connected on the positioning extension type hoisting platform, and the plurality of groups of limiting sleeves are respectively and one-to-one correspondingly arranged on the peripheral side of the plurality of groups of lifting hook bodies to form a straight line limiting function for the corresponding cable.

[0010] On the basis of the above technical scheme, the utility model is further described as follows:

[0011] As a further scheme of the utility model,

[0012] The extended frame structure includes lifting equipment;

[0013] The lifting device assembly is configured as an assembly clamp and / or assembly fixture, and the lifting device assembly is connected to the lifting device base by a transmission and fixed assembly.

[0014] As a further embodiment of this utility model,

[0015] The extended frame structure also includes crossbeam arms and longitudinal beam arms;

[0016] The middle position of the crossbeam arm is fixedly assembled to the bottom end of the lifting device assembly;

[0017] The longitudinal beam arm is provided in two sets. The middle positions of the two sets of longitudinal beam arms are respectively fixedly connected to the top of both ends of the horizontal beam arm. The two sets of longitudinal beam arms, together with the horizontal beam arm, form a positioning and extension lifting platform based on the lifting equipment.

[0018] As a further embodiment of this utility model,

[0019] The extended frame structure also includes diagonal bracing arms;

[0020] The bottom ends of each longitudinal beam arm are fixedly connected to one end of the diagonal brace arm, and the other end of each diagonal brace arm is fixedly connected to the transverse beam arm.

[0021] As a further embodiment of this utility model,

[0022] Both the hook body and the limiting sleeve are provided with at least four sets, and the base parts of the at least four sets of hook bodies are respectively fixedly assembled to the four ends of the two sets of longitudinal beam arms.

[0023] At least four sets of the limiting sleeves are all configured as straight-extending tubes, and one end of each of the at least four sets of the limiting sleeves is respectively fixedly assembled to the four ends of the two sets of longitudinal beam arms.

[0024] As a further embodiment of this utility model,

[0025] The cable limiting structure also includes a threaded base;

[0026] The threaded base is provided in at least four sets, and the at least four sets of threaded bases are respectively fixedly assembled at the four ends of the two sets of longitudinal beam arms. The at least four sets of threaded bases are respectively located on the outer side of the at least four sets of hook bodies. The end of the at least four sets of limiting sleeves is respectively detachably threadedly assembled with the at least four sets of threaded bases.

[0027] As a further scheme of the utility model,

[0028] The inner side wall of the limiting sleeve uniformly extends and is fixed with a limiting flexible convex strip along the pipe body direction.

[0029] As a further scheme of the utility model,

[0030] The limiting sleeve is arranged as a telescopic sleeve body.

[0031] As a further scheme of the utility model,

[0032] The limiting sleeve is arranged as a telescopic sleeve body.

[0033] The utility model has the advantages of:

[0034] The frame body can be assembled on the lifting appliance base to form a positioning extension type lifting platform, and can be used to lift the middle lifting position of the vertical corresponding bridge deck, and can also be used to limit the lifting cable, thereby improving the overall lifting stability, efficiency and practicality. BRIEF DESCRIPTION OF DRAWINGS

[0035] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description, the structure, the proportion, the size, etc. shown in the specification, are only used to cooperate with the content disclosed in the specification, so that the person skilled in the art can understand and read, any modification of the structure, change of the proportion relationship or adjustment of the size, which does not affect the effect and the purpose of the utility model, should still fall within the scope of the technical content disclosed in the utility model.

[0036] Figure 1 The overall assembly structure schematic diagram of the extension type lifting frame body based on the bridge deck panel installation construction is provided for the embodiment 1 of the utility model.

[0037] Figure 2 The overall assembly structure schematic diagram of the extension type lifting frame body based on the bridge deck panel installation construction is provided for the embodiment 2 of the utility model.

[0038] In the drawings, the component list represented by each sign is as follows:

[0039] Extended frame structure 1: Lifting equipment 11, crossbeam arm 12, longitudinal beam arm 13, diagonal brace arm 14;

[0040] Cable limiting structure 2: hook body 21, threaded base 22, limiting sleeve 23. Detailed Implementation

[0041] The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0042] The terms "upper," "lower," "left," "right," and "middle" used in this specification are merely for clarity of description and are not intended to limit the scope of implementation of this utility model. Any changes or adjustments to their relative relationships, without substantially altering the technical content, shall also be considered within the scope of implementation of this utility model.

[0043] Example 1

[0044] like Figure 1 As shown, this embodiment of the invention provides an extended hoisting frame for bridge deck installation, including an extended frame structure 1 and a cable limiting structure 2. The extended frame structure 1 is fitted onto the lifting base to effectively form a positioning extended hoisting platform. This platform allows for vertical hoisting of the bridge deck at the intermediate lifting position. Furthermore, the cable limiting structure 2 effectively limits the hoisting cables, improving the overall hoisting and positioning stability. Specific details are as follows:

[0045] Please refer to Figure 1 The extended frame structure 1 includes a lifting device assembly 11, a crossbeam arm 12, a longitudinal beam arm 13, and a diagonal brace arm 14. The lifting device assembly 11 can be configured as, but is not limited to, an assembly clamp or assembly fixture, for fixed assembly and connection to an external lifting device base. The crossbeam arm 12 is fixedly mounted at its middle position to the bottom end of the lifting device assembly 11. Two sets of longitudinal beam arms 13 are provided, with the middle positions of the two sets corresponding to the top ends of the crossbeam arms 12, and the bottom ends of each set of longitudinal beam arms 13 are fixedly mounted to the crossbeam arms 12 via the diagonal brace arm 14. This allows the two sets of longitudinal beam arms 13, in conjunction with the crossbeam arms 12, to effectively form a positioning and extended lifting platform based on the lifting device assembly 11.

[0046] The cable limiting structure 2 comprises a hook body 21, a threaded base 22 and a limiting sleeve 23; wherein the hook body 21 is provided with at least four groups, and the base of the at least four groups of hook bodies 21 is respectively correspondingly fixedly connected and assembled at the four end portions of the two groups of longitudinal beam arms 13, so as to effectively realize the local stabilizing hoisting of the vertical corresponding middle hoisting position of the bridge deck plate through the cooperation of the at least four groups of hook bodies 21.

[0047] The threaded base 22 and the limiting sleeve 23 are both provided with at least four groups, and the at least four groups of threaded bases 22 are respectively correspondingly fixedly connected and assembled at the four end portions of the two groups of longitudinal beam arms 13, and the at least four groups of threaded bases 22 are respectively correspondingly arranged at the peripheral side portions of the at least four groups of hook bodies 21; the at least four groups of limiting sleeves 23 are all provided in the form of straight linear extension type pipe bodies, and one end portion of the at least four groups of limiting sleeves 23 and the at least four groups of threaded bases 22 are respectively correspondingly separable type screwing assembly, so as to effectively play a limiting role in the predetermined range through the limiting sleeve 23 arranged in position corresponding to the outer side portion of the cable, thereby improving the hoisting stability of the cable in the positioning state.

[0048] As a preferred scheme of the embodiment, the inner side walls of the at least four groups of limiting sleeves 23 are uniformly extended and fixedly connected with limiting flexible protrusions along the pipe body direction, so as to adapt to the change of the thickness of the cable in the straightened state through the limiting flexible protrusions, thereby improving the limiting function adaptability of the limiting sleeve 23.

[0049] Embodiment 2

[0050] In embodiment 2, for the same structure as in embodiment 1, the same symbols are given, and the same description is omitted, and embodiment 2 is improved on the basis of embodiment 1. Please refer to Figure 2 The limiting sleeve 23 is provided with a plurality of groups of telescopic sleeve bodies connected in sequence, each group of the telescopic sleeve bodies is provided with a plurality of levels of telescopic sleeves, and the innermost level of the telescopic sleeves forms a limiting action on the cable in a predetermined range, so as to significantly improve the overall distance of the limiting action on the cable through the plurality of groups of telescopic sleeve bodies, and at the same time, the segmented limiting of the cable can be realized based on the plurality of groups of telescopic sleeve bodies, thereby further improving the hoisting stability of the cable in the positioning state.

[0051] Although the utility model has been described in detail above with general description and specific embodiments, some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, these modifications or improvements made on the basis of not deviating from the spirit of the utility model all belong to the scope of protection required by the utility model.

Claims

1. An extended hoisting frame for bridge deck installation construction, characterized in that, include: The extended frame structure is fixedly mounted on the lifting gear base to form a positioning and extension lifting platform. The cable limiting structure includes a hook body and a limiting sleeve; Both the hook body and the limiting sleeve are provided in several groups. Several groups of hook bodies are distributed and fixedly connected to the positioning and extension hoisting platform to hoist the cable. Several groups of limiting sleeves are distributed and fixedly connected to the positioning and extension hoisting platform, and the several groups of limiting sleeves are respectively set on the outer side of the several groups of hook bodies to form a linear limiting function corresponding to the cable.

2. The extended hoisting frame based on bridge deck installation construction according to claim 1, characterized in that, The extended frame structure includes lifting equipment; The lifting device assembly is configured as an assembly clamp and / or assembly fixture, and the lifting device assembly is connected to the lifting device base by a transmission and fixed assembly.

3. The extended hoisting frame based on bridge deck installation construction according to claim 2, characterized in that, The extended frame structure also includes crossbeam arms and longitudinal beam arms; The middle position of the crossbeam arm is fixedly assembled to the bottom end of the lifting device assembly; The longitudinal beam arm is provided in two sets. The middle positions of the two sets of longitudinal beam arms are respectively fixedly connected to the top of both ends of the horizontal beam arm. The two sets of longitudinal beam arms, together with the horizontal beam arm, form a positioning and extension lifting platform based on the lifting equipment.

4. The extended hoisting frame based on bridge deck installation construction according to claim 3, characterized in that, The extended frame structure also includes diagonal bracing arms; The bottom ends of each longitudinal beam arm are fixedly connected to one end of the diagonal brace arm, and the other end of each diagonal brace arm is fixedly connected to the transverse beam arm.

5. The extended hoisting frame for bridge deck installation construction according to claim 3, characterized in that, Both the hook body and the limiting sleeve are provided with at least four sets, and the base parts of the at least four sets of hook bodies are respectively fixedly assembled to the four ends of the two sets of longitudinal beam arms. At least four sets of the limiting sleeves are all configured as straight-extending tubes, and one end of each of the at least four sets of the limiting sleeves is respectively fixedly assembled to the four ends of the two sets of longitudinal beam arms.

6. The extended hoisting frame based on bridge deck installation construction according to claim 5, characterized in that, The cable limiting structure also includes a threaded base; The threaded base is provided in at least four sets, and the at least four sets of threaded bases are respectively fixedly assembled at the four ends of the two sets of longitudinal beam arms. The at least four sets of threaded bases are respectively located on the outer side of the at least four sets of hook bodies. The end of the at least four sets of limiting sleeves is respectively detachably threadedly assembled with the at least four sets of threaded bases.

7. The extended hoisting frame for bridge deck installation construction according to claim 5 or 6, characterized in that, The inner wall of the limiting sleeve is uniformly extended and fixed with a limiting flexible protrusion along the tube body direction.

8. The extended hoisting frame for bridge deck installation construction according to any one of claims 1-6, characterized in that, The limiting sleeve is configured as a telescopic sleeve body.

9. The extended hoisting frame based on bridge deck installation construction according to claim 8, characterized in that, The limiting sleeve is configured as a series of telescopic sleeve bodies connected in sequence. Each group of telescopic sleeve bodies is configured as a multi-stage telescopic sleeve, and the innermost stage of the multi-stage telescopic sleeve forms a limiting effect on the cable within a predetermined range. The overall distance that limits the cable is significantly increased by the series of telescopic sleeve bodies, and the cable is limited in segments.

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