Steel casing lifting device for slurry retaining wall cast-in-place pile

By designing a lifting device consisting of components such as a support plate, a horizontal plate, a cylinder, a lifting plate, and a dual-axis motor, the problem of low lifting efficiency of steel casing in mud wall cast-in-place pile construction was solved, achieving a high-efficiency self-moving and self-clamping lifting effect.

CN223687958UActive Publication Date: 2025-12-19GANSU NO 5 CONSTR ENG CO
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Patent Information

Application Number
CN202520267994.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-19
Publication Date
2025-12-19
Estimated Expiration
2035-02-19

AI Technical Summary

Technical Problem

In existing mud-wall cast-in-place pile construction, the steel casing has low lifting efficiency and lacks mobility, requiring auxiliary lifting equipment, which further reduces efficiency.

Method used

A lifting device was designed, comprising a support plate, a horizontal plate, a cylinder, a lifting plate, a dual-axis motor, an adjusting screw, and a clamping frame. The device is moved and stably supported by moving wheels, and the spacing of the clamping frame is adjusted by the dual-axis motor and the adjusting screw to clamp and lift steel casings of different diameters.

Benefits of technology

It improves the lifting efficiency of steel casing, realizes the self-moving and self-clamping functions of the device, simplifies the fixing and lifting process of steel casing, and has high lifting efficiency without the need for auxiliary equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a slurry retaining wall cast-in-place pile steel casing lifting device which comprises supporting plates, a transverse plate is fixedly connected to the top between the supporting plates, an air cylinder is connected to the axis of the surface of the transverse plate in a penetrating mode, and a telescopic shaft of the air cylinder is fixedly connected with a lifting plate through a mounting plate. The opposite sides of the supporting plates are fixedly connected with fixing frames, the surfaces of the fixing frames are movably connected with movable sleeves, and one sides of the movable sleeves are fixedly connected with the surface of a lifting plate. According to the lifting device, the bottom plate and the moving wheels are arranged, the bottom plate is arranged at the bottom of the supporting plate, the moving wheels are arranged on the front side and the rear side of the bottom of the bottom plate, the four sets of moving wheels can stably support the bottom of the supporting plate, the lifting device can move according to using requirements, and the steel casing is moved to the piling position after being clamped; the steel casing is placed above a pile hole, and the device can clamp, lift and move the steel casing.
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Description

TECHNICAL FIELD

[0001] The utility model relates to mud protection wall cast-in-place pile technical field, concretely is a mud protection wall cast-in-place pile steel casing hoisting device. BACKGROUND

[0002] Mud protection wall cast-in-place pile is a common deep foundation construction technology, is widely used in the construction of underground engineering, especially is used in the area that groundwater level is higher or soil is soft, easy to collapse, it is mainly used for supporting and stabilizing soil, prevents the pile hole from collapsing or collapsing before pouring concrete, steel casing is the outer formwork when pile foundation concrete pouring, the temporary fixed point of pile cap construction, is also the additional measure of pile foundation durability;

[0003] Such as the utility model of China provides "a mud protection wall cast-in-place pile steel casing hoisting device" patent number: 202221501952.8, this patent includes fixed assembly, the fixed assembly includes support plate, support column and lifting plate, the top of support plate is fixedly installed four support columns, the end of support column is fixedly installed lifting plate, the top of lifting plate is fixedly installed first motor, the bottom of lifting plate is rotatably installed screw rod, the outer wall of screw rod is connected with movable rod, the end of movable rod is fixedly installed with connecting plate;

[0004] The above file although solved the mud protection wall cast-in-place pile construction process to the steel casing and lifted, are large hoist through the lifting steel rope binding in the outer side of steel casing, then through the special wrench fastens the bolt on it, after fixing the steel casing and lifting, the binding mode causes the waste of time, and inconveniently fixed and lifted fast, but still has the shortcoming of low lifting efficiency, the above case does not have the moving function, still needs to use other lifting equipment to assist, leads to the reduction of lifting efficiency, for this, here launches a mud protection wall cast-in-place pile steel casing hoisting device. UTILITY MODEL CONTENTS

[0005] The utility model is simple in structure, convenient to use, and has the advantages of high lifting efficiency.

[0006] To achieve the above object, the utility model provides the following technical scheme: A mud wall protection bored pile steel casing lifting device, including support board, the top fixed connection of support board between horizontal plate is connected with the air cylinder in the shaft heart of horizontal plate surface reaches, the telescopic axle of air cylinder is fixedly connected with the lifting plate through the mounting plate, the opposite side of support board all is fixedly connected with the fixed frame, the surface of fixed frame is connected with the movable cover, the surface fixed connection of movable cover one side with the lifting plate, the bottom of lifting plate is equipped with the installation groove, the inner chamber fixed connection of installation groove has double shaft motor, both sides of double shaft motor all are fixedly connected with the adjusting screw rod, the surface screw connection of adjusting screw rod has the thread sleeve, both sides of lifting plate bottom all are equipped with the adjusting groove, the bottom fixed connection of thread sleeve has the clamping frame, the side fixed connection of clamping frame has electric push rod, the telescopic axle of electric push rod reaches the inner chamber of clamping frame and is fixedly connected with the extrusion plate and is fixedly connected with the anti -skid block on the side away from the telescopic axle of electric push rod of extrusion plate, the bottom fixed connection of support board has the bottom plate, the front side and rear side of bottom plate bottom all are fixedly connected with the moving wheel.

[0007] As a preferred scheme, one side of the top of the bottom plate is fixedly connected with a fixed plate, one side of the fixed plate is fixedly connected with a positioning plate, and the inner cavity of the positioning plate is threadedly connected with a tapered screw rod.

[0008] As a preferred scheme, both sides of the top of the lifting plate are fixedly connected with limit rods, and the top of the limit rods penetrates to the top of the horizontal plate.

[0009] As a preferred scheme, the top of one side of the support plate is fixedly connected with a push handle, and the inner wall of the push handle is fixedly connected with a soft pad.

[0010] As a preferred scheme, the top of the inner cavity of the clamping frame is fixedly connected with a limit plate, the surface of the limit plate is movably connected with a limit sleeve, and the bottom of the limit sleeve is fixedly connected with the top of the extrusion plate.

[0011] As a preferred scheme, the top of the inner cavity of the adjusting groove is fixedly connected with a groove top plate, the surface of the groove top plate is movably connected with a clamping sleeve, and the bottom of the clamping sleeve is fixedly connected with the top of the thread sleeve.

[0012] As a preferred scheme, one side of the inner cavity of the adjusting groove is fixedly connected with a stable sleeve, and the surface of the adjusting screw rod is movably connected with the inner cavity of the stable sleeve.

[0013] Compared with the prior art, the utility model has the beneficial effects as follows:

[0014] 1. The utility model discloses a bottom plate and movable wheel are provided with, bottom plate sets up at the bottom of support plate, and the movable wheel is provided with at the front side and rear side of bottom plate bottom, four groups of movable wheel can not only carry out stable support to the bottom of support plate, can also make the lifting device according to the need of use and move, after clamping steel casing, move to piling position, put steel casing on the top of pile hole, and the device itself can complete the clamping, lifting and moving of steel casing.

[0015] 2. The utility model discloses a double shaft motor, adjusting screw rod, screw sleeve, adjusting groove and clamping frame are provided, open double shaft motor, and the output end of double shaft motor drives adjusting screw rod to rotate, along with the rotation of adjusting screw rod, the screw sleeve on the surface of adjusting screw rod moves slowly, and the clamping frame at the bottom of screw sleeve is moved, thereby adjusting the interval of two clamping frames, so as to reach the purpose of clamping and lifting of different diameter steel casing. ACCURACY OF DRAWINGS

[0016] Figure 1 It is the utility model structure perspective drawing;

[0017] Figure 2 It is the utility model structure main view schematic drawing;

[0018] Figure 3 It is the utility model Figure 2 Local enlarged schematic drawing of A place in the utility model;

[0019] Figure 4 It is the utility model clamping frame's perspective drawing.

[0020] In the drawing: 1, support plate;2, cross plate;3, air cylinder;4, lifting plate;5, fixed frame;6, movable sleeve;7, installation groove;8, double shaft motor;9, adjusting screw rod;10, screw sleeve;11, adjusting groove;12, clamping frame;13, electric push rod;14, extrusion plate;15, antiskid block;16, bottom plate;17, movable wheel. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Secondly, "one embodiment" or "embodiment" referred to here means that specific features, structures or characteristics can be included in at least one implementation of the utility model. "In one embodiment" does not mean the same embodiment at different places in the specification, nor is it an embodiment that is separate or alternative to other embodiments.

[0023] Embodiment one:

[0024] Please refer to Figures 1-4 As shown in the figure, the utility model provides a mud protection wall cast-in-place pile steel casing lifting device, including support plate 1, the top fixedly connected between support plate 1 has crossbeam 2, the axis of crossbeam 2 surface is connected with cylinder 3, the telescopic shaft of cylinder 3 is fixedly connected with lifting plate 4 through mounting plate, the opposite side of support plate 1 is fixedly connected with fixed frame 5, the surface of fixed frame 5 is movably connected with movable sleeve 6, the surface of movable sleeve 6 one side is fixedly connected with lifting plate 4, the bottom of lifting plate 4 is provided with installation groove 7, the inner chamber of installation groove 7 is fixedly connected with double-shaft motor 8, the both sides of double-shaft motor 8 are fixedly connected with adjusting screw rod 9, the surface of adjusting screw rod 9 is threadedly connected with threaded sleeve 10, the both sides of the bottom of lifting plate 4 are provided with adjusting groove 11, the bottom of threaded sleeve 10 is fixedly connected with clamping frame 12, one side of clamping frame 12 is fixedly connected with electric push rod 13, the telescopic shaft of electric push rod 13 is connected to the inner chamber of clamping frame 12 and is fixedly connected with extrusion plate 14, one side of extrusion plate 14 away from the telescopic shaft of electric push rod 13 is fixedly connected with antiskid block 15, the bottom of support plate 1 is fixedly connected with bottom plate 16, the front side and the back side of the bottom of bottom plate 16 are fixedly connected with moving wheel 17, bottom plate 16 is arranged at the bottom of support plate 1, the front side and the back side of the bottom of bottom plate 16 are provided with moving wheel 17, four groups of moving wheel 17 not only can stably support the bottom of support plate 1, but also can make the lifting device move according to the use needs, after clamping the steel casing, move to the piling position, place the steel casing above the pile hole.

[0025] The application of the bottom plate 16 and the moving wheel 17 is provided, the moving support mechanism is arranged at the bottom of the support plate 1, which can not only achieve stable support, but also enable the device as a whole to have the function of moving, and the device itself can complete the clamping, lifting and moving of the steel casing.

[0026] Embodiment two:

[0027] Based on the embodiment one, the utility model as Figures 1-3 As shown in the figure, the utility model discloses a bottom plate 16 top one side fixedly connected with fixed plate, one side of fixed plate fixedly connected with positioning plate, the inner chamber of positioning plate is threadedly connected with conical screw rod, the both sides of lifting plate 4 top are fixedly connected with limit rod, the top of limit rod penetrates to the top of crossbeam 2, the top of one side of support plate 1 is fixedly connected with push handle, the inner wall of push handle is fixedly connected with soft pad.

[0028] The technical scheme is adopted, mainly to fix the lifting device, improve the moving stability of the lifting plate 4 and facilitate the moving of the lifting device, rotate the conical screw, and move the conical screw in the inner cavity of the positioning plate, the inner cavity of the positioning plate is provided with an internal thread, so that the conical screw slowly moves downward to the bottom of the conical screw and is inserted into the ground, thereby fixing the lifting device at the use position, the limiting rod moves in the limiting hole on the surface of the horizontal plate 2 along with the moving of the lifting plate 4, and the moving stability of the lifting plate 4 is further improved, and the handle is held to push the lifting device, which is more labor-saving.

[0029] Embodiment three:

[0030] Based on the embodiment two, the utility model discloses as shown in Figures 1-3 The top of the inner cavity of the clamping frame 12 is fixedly connected with a limiting plate, the surface of the limiting plate is movably connected with a limiting sleeve, the bottom of the limiting sleeve is fixedly connected with the top of the extrusion plate 14, the top of the inner cavity of the adjusting groove 11 is fixedly connected with a groove top plate, the surface of the groove top plate is movably connected with a clamping sleeve, the bottom of the clamping sleeve is fixedly connected with the top of the threaded sleeve 10, one side of the inner cavity of the adjusting groove 11 is fixedly connected with a stable sleeve, and the surface of the adjusting screw 9 is movably connected with the inner cavity of the stable sleeve.

[0031] The technical scheme is adopted, mainly to fix the lifting device, improve the moving stability of the lifting plate 4 and facilitate the moving of the lifting device, rotate the conical screw, and move the conical screw in the inner cavity of the positioning plate, the inner cavity of the positioning plate is provided with an internal thread, so that the conical screw slowly moves downward to the bottom of the conical screw and is inserted into the ground, thereby fixing the lifting device at the use position, the limiting rod moves in the limiting hole on the surface of the horizontal plate 2 along with the moving of the lifting plate 4, and the moving stability of the lifting plate 4 is further improved, and the handle is held to push the lifting device, which is more labor-saving.

[0032] The working principle of the utility model is: the steel casing lifting device is pushed to the upper side of the steel casing, the air cylinder 3 is opened, the telescopic shaft of the air cylinder 3 drives the lifting plate 4 to move downwards, the lifting plate 4 drives the clamping frame 12 to move downwards, at the same time, the double shaft motor 8 is opened, the output end of the double shaft motor 8 drives the adjusting screw 9 to rotate, with the rotation of the adjusting screw 9, the threaded sleeve 10 on the surface of the adjusting screw 9 slowly moves, the threaded sleeve 10 drives the clamping frame 12 at the bottom to move, so as to adjust the interval of the two clamping frames 12 to the diameter of the steel casing, when the clamping frame 12 is clamped on the side of the steel casing, the electric push rod 13 is opened, the telescopic shaft of the electric push rod 13 drives the extrusion plate 14 to move to the anti-skid block 15 on one side of the extrusion plate 14 and abuts against the surface of the steel casing, after the steel casing is clamped, the air cylinder 3 is opened again, the telescopic shaft of the air cylinder 3 drives the lifting plate 4 and the clamped steel casing at the bottom to move upwards, the lifting device is pushed to the pile hole position, the air cylinder 3 is opened, the telescopic shaft of the air cylinder 3 drives the lifting plate 4 to move downwards, the lifting plate 4 drives the clamped steel casing at the bottom to move downwards to the upper side outside of the pile hole.

[0033] Importantly, it should be noted that the constructions and arrangements of the present application shown in the various example embodiments are merely illustrative. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters, mounting arrangements, use of materials, colors, orientations, etc.) using the teachings of the present application and their equivalents, without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed can be constructed of multiple parts or elements, the position of elements can be reversed or otherwise varied, and the nature or number of elements or positions can be altered or varied. Accordingly, all such modifications are intended to be included within the scope of the present application. The order or sequence of any process or method steps can be changed, or omitted, without departing from the spirit of the disclosure. Any "means plus function" clauses are intended to cover the structures described herein as performing the recited functions and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes, and omissions can be made in the design, operating conditions, and arrangement of the example embodiments without departing from the scope of the present application. Accordingly, the present application is not limited to the specific embodiments set forth above, but extends in scope to the claims that follow.

[0034] Furthermore, in an effort to provide a concise description of exemplary embodiments, all features of an actual implementation can not be described (i.e., those unrelated to the best mode of practicing the present application, or those unrelated to enabling the claimed application).

[0035] It should be explained finally that the above embodiment is only used to illustrate the technical scheme of the utility model, and is not the limit of the protection scope of the utility model, although the utility model is explained in detail with reference to the preferred embodiment, the ordinary skilled in the art should understand that the technical scheme of the utility model can be modified or replaced equivalently, and does not deviate from the essence and scope of the technical scheme of the utility model.

Claims

1. A device for lifting a steel casing of a cast-in-situ pile with a slurry support, comprising a support plate (1), characterized in that: The top of the supporting plate (1) is fixedly connected with a cross plate (2), the axis of the surface of the cross plate (2) is connected with a gas cylinder (3), the telescopic shaft of the gas cylinder (3) is fixedly connected with a lifting plate (4) through a mounting plate, the opposite side of the supporting plate (1) is fixedly connected with a fixed frame (5), the surface of the fixed frame (5) is movably connected with a movable sleeve (6), one side of the movable sleeve (6) is fixedly connected with the surface of the lifting plate (4), the bottom of the lifting plate (4) is provided with a mounting groove (7), the inner cavity of the mounting groove (7) is fixedly connected with a double-shaft motor (8), the two sides of the double-shaft motor (8) are fixedly connected with an adjusting screw rod (9), the surface of the adjusting screw rod (9) is threadedly connected with a threaded sleeve (10), the two sides of the bottom of the lifting plate (4) are provided with an adjusting groove (11), the bottom of the threaded sleeve (10) is fixedly connected with a clamping frame (12), one side of the clamping frame (12) is fixedly connected with an electric push rod (13), the telescopic shaft of the electric push rod (13) penetrates into the inner cavity of the clamping frame (12) and is fixedly connected with a squeezing plate (14), one side of the squeezing plate (14) away from the telescopic shaft of the electric push rod (13) is fixedly connected with an anti-skid block (15), the bottom of the supporting plate (1) is fixedly connected with a bottom plate (16), the front side and the rear side of the bottom of the bottom plate (16) are fixedly connected with a moving wheel (17).

2. The mud wall bored pile steel casing lifting device according to claim 1, characterized in that: The top of the bottom plate (16) is fixedly connected with a fixed plate, one side of the fixed plate is fixedly connected with a positioning plate, and the inner cavity of the positioning plate is threadedly connected with a conical screw rod.

3. The mud wall bored pile steel casing lifting device according to claim 1, characterized in that: The two sides of the top of the lifting plate (4) are fixedly connected with a limiting rod, and the top of the limiting rod penetrates into the top of the cross plate (2).

4. The mud wall bored pile steel casing lifting device according to claim 1, characterized in that: The top of one side of the supporting plate (1) is fixedly connected with a push handle, and the inner wall of the push handle is fixedly connected with a soft pad.

5. The mud wall bored pile steel casing lifting device according to claim 1, characterized in that: The top of the inner cavity of the clamping frame (12) is fixedly connected with a limiting plate, the surface of the limiting plate is movably connected with a limiting sleeve, and the bottom of the limiting sleeve is fixedly connected with the top of the squeezing plate (14).

6. The mud rotary pile steel casing lifting device according to claim 1, characterized in that: The top of the inner cavity of the adjusting groove (11) is fixedly connected with a groove top plate, the surface of the groove top plate is movably connected with a clamping sleeve, and the bottom of the clamping sleeve is fixedly connected with the top of the threaded sleeve (10).

7. The mud rotary pile steel casing lifting device according to claim 1, characterized in that: One side of the inner cavity of the adjusting groove (11) is fixedly connected with a stable sleeve, and the surface of the adjusting screw rod (9) is movably connected with the inner cavity of the stable sleeve.

Citation Information

Patent Citations

  • Steel casing lifting device for slurry retaining wall cast-in-place pile

    CN218371273U