CN213141124U - Hoisting clamp for steel reinforcement cage - Google Patents

Abstract

The utility model provides a hoisting clamp for a reinforcement cage, which comprises a hook; the device also comprises an installation disc, at least three groups of suspension parts which are distributed in the circumferential direction of the installation disc at equal angles, a limiting disc and a driving part fixed on the installation disc; each suspension part comprises a support rod with one end hinged to the side surface of the mounting disc and a hook hinged to the other end of the support rod, the hinge axis of the support rod and the mounting disc is parallel to the axis of the mounting disc, and the hinge axis of the support rod and the mounting disc is parallel to the hinge axis of the support rod and the hook; the radius of the mounting disc is smaller than that of the limiting disc, the limiting disc is positioned below the mounting disc, and the axis of the limiting disc is collinear with the axis of the mounting disc; the driving piece is used for driving the limiting disc to move along the axis direction of the limiting disc. The articulated axis of each couple will be parallel to each other the steel reinforcement cage just can take place rocking of horizontal direction, the utility model discloses an all nonparallel of articulated axis of each couple has restricted steel reinforcement cage rocking on the horizontal direction.

Description

Hoisting clamp for steel reinforcement cage

Technical Field

The utility model relates to a building field, concretely relates to steel reinforcement cage stone tongs.

Background

The reinforcement cage mainly plays a role similar to the stress of the longitudinal reinforcement of the column, and mainly plays a role of tensile strength, and the compressive strength of the concrete is high but the tensile strength is very low. The pile body concrete is restrained, so that the pile body concrete can bear certain axial tension. During construction of bridges and culverts or high-rise buildings, piles are driven according to the requirements, wherein the method comprises the steps of punching holes by using a machine and drilling holes by using a water mill, enabling the hole depth to reach the design requirement, then placing a steel reinforcement cage into the pile hole, and then inserting a guide pipe for concrete pouring. The steel reinforcement cage is generally hoisted by combining a hoisting device with a hoisting rope in the prior art, then the steel reinforcement cage is aligned to the position below a pile hole, because the hoisting rope is flexible, the steel reinforcement cage is easy to horizontally shake and collide with the hole wall when the hoisting device moves the steel reinforcement cage, so that the pile hole collapses, and the shaking in a certain degree at every time can be operated on next step after the steel reinforcement cage is kept static with the hoisting rope under the action of gravity, and the hoisting time is long. Therefore, a hoisting clamp capable of preventing the reinforcement cage from horizontally shaking is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned conventional art's weak point, provide a stone tongs that can prevent that steel reinforcement cage level from rocking.

The purpose of the utility model is achieved through the following technical measures: a hoisting clamp for a steel reinforcement cage comprises a hook; the device also comprises an installation disc, at least three groups of suspension parts which are distributed in the circumferential direction of the installation disc at equal angles, a limiting disc and a driving part fixed on the installation disc; each suspension part comprises a support rod with one end hinged to the side surface of the mounting disc and a hook hinged to the other end of the support rod, the hinge axis of the support rod and the mounting disc is parallel to the axis of the mounting disc, and the hinge axis of the support rod and the mounting disc is parallel to the hinge axis of the support rod and the hook; the radius of the mounting disc is smaller than that of the limiting disc, the limiting disc is positioned below the mounting disc, and the axis of the limiting disc is collinear with the axis of the mounting disc; the driving piece is used for driving the limiting disc to move along the axis direction of the limiting disc.

In one embodiment of the present invention, the driving member includes a servo hydraulic cylinder fixed to an upper surface of the mounting plate, a driving plate vertically fixed to an output shaft of the servo hydraulic cylinder, and a driving rod having an upper end vertically fixed to the driving plate; the lower end of the driving rod penetrates through the mounting disc and is vertically fixed on the upper surface of the limiting disc.

In one embodiment of the present invention, the inner surface of the hook portion of the hook is provided with a silica gel layer.

The utility model discloses an among them embodiment, the material of mounting disc, spacing dish, bracing piece, couple, drive plate and actuating lever is 300M steel material.

The utility model discloses an among them embodiment, still locate the flexible pipe of actuating lever circumference including the cover, flexible pipe upper end fixed connection is in the mounting disc lower surface, and the lower extreme fixed connection of flexible pipe is in spacing dish upper surface, and the maximum extension length of flexible pipe is greater than the length of actuating lever.

Compared with the prior art, the beneficial effects of the utility model are that:

collude the horizontal reinforcing bar circle of steel reinforcement cage through the couple, the bracing piece is withstood to the spacing dish of rethread driving piece drive, and the driving piece no longer removes, and each bracing piece, spacing dish and positioning disk form stable bearing structure promptly, and steel reinforcement cage is colluded to at least three couple, and what the horizontal direction just probably took place for the steel reinforcement cage that will be parallel to each other to the articulated axis of each couple, the utility model discloses an equal nonparallel of articulated axis of each couple has restricted steel reinforcement cage and has rocked on the horizontal direction.

Drawings

Fig. 1 is a schematic structural view of a steel reinforcement cage hoisting clamp in a specific embodiment.

Fig. 2 is a top view of fig. 1.

Wherein: 10. hooking; 20. mounting a disc; 30. a limiting disc; 401. a servo hydraulic cylinder; 402. a drive plate; 403. a drive rod; 50. A telescopic pipe; 60. a support rod.

Detailed Description

Reference will now be made in detail to the present embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Adopt prior art's hoisting apparatus level to hoist mounting disc 20, if because rocking that hoisting apparatus arouses does not belong to the utility model discloses the modified scope, the utility model discloses aim at the problem of rocking that the current flexible stone tongs of customer service presss from both sides tight steel reinforcement cage and leads to.

The material and power of the present invention need to be selected according to the weight of the steel reinforcement cage, and to those skilled in the art, they can be selected according to the actual situation, and since the improvement of the structure is not involved, it is not described herein any more, but should be considered that those skilled in the art can reasonably select the material according to the weight of the steel reinforcement cage, which is common knowledge.

As shown in fig. 1-2, fig. 1 omits a set of suspension members, and the present embodiment provides a steel reinforcement cage lifting clamp, which includes a hook 10; the device also comprises a mounting disc 20, four groups of hanging pieces which are distributed in the circumferential direction of the mounting disc 20 at equal angles, a limiting disc 30 and a driving piece fixed on the mounting disc 20; each suspension member comprises a support rod 60 and a hook 10, wherein one end of the support rod 60 is hinged to the side surface of the mounting disc 20 through a fixing plate, the hook 10 is hinged to the other end of the support rod 60, the hinge axis of the support rod 60 and the mounting disc 20 is parallel to the axis of the mounting disc 20, and the hinge axis of the support rod 60 and the mounting disc 20 is parallel to the hinge axis of the support rod 60 and the hook 10; the radius of the mounting disc 20 is smaller than that of the limiting disc 30, the limiting disc 30 is located below the mounting disc 20, and the axis of the limiting disc 30 is collinear with the axis of the mounting disc 20; the driving member is used for driving the limiting plate 30 to move along the axial direction of the limiting plate 30. The driving part comprises a servo hydraulic cylinder 401 fixed on the upper surface of the mounting plate 20, a driving plate 402 vertically fixed on the output shaft of the servo hydraulic cylinder 401 and a driving rod 403 with the upper end vertically fixed on the driving plate 402; the lower end of the driving rod 403 penetrates through the mounting plate 20 and is vertically fixed on the upper surface of the limiting plate 30.

The working principle is as follows: the mounting plate 20 is horizontally fixed on the existing hoisting equipment, such as a crane boom of a crane, welding and threaded connection are adopted, the hoisting clamp of the utility model is moved to the center of a steel reinforcement cage, the servo hydraulic cylinder 401 is started to move up the driving plate 402, under the linkage of the driving rod 403, the limiting plate 30 moves upwards along the axial direction thereof, the included angle between the axis of each supporting rod 60 and the axis of the mounting plate 20 is increased, the radius of the virtual circle where one end of each supporting rod 60 provided with the hook 10 is positioned is increased until the radius of the virtual circle approaches the inner diameter of the transverse steel reinforcement ring of the steel reinforcement cage, the servo hydraulic cylinder 401 is informed, each hook 10 is used for hooking the transverse steel reinforcement ring of the steel reinforcement cage in advance, the servo hydraulic cylinder 401 is started to continue to move the driving plate 402 upwards until the supporting rod 60 can not continue to move, the hinged axes corresponding to the four hooks 10 are not completely the same, therefore, the steel reinforcement cage cannot shake in the horizontal direction, and the servo hydraulic cylinder 401 tightly supports against the support rod 60 through a series of transmission. After the hoisting is finished, the hoisting clamp can be separated from the reinforcement cage only by loosening the hook 10 and enabling the driving plate 402 to descend by the servo hydraulic cylinder 401 and reducing the radius of the virtual circle.

When the weight of steel reinforcement cage is great, the linear reciprocating device among the prior art is difficult to provide sufficient pulling force, and the hydraulic cylinder is through compressing the very big thrust that can steadily produce of the internal liquid of cylinder for example, but when the hydraulic cylinder provided reverse pulling force, the great pulling force of providing that can not be stable, because the hydraulic pressure in reducing the cylinder body when producing the pulling force, consequently the utility model discloses a structure such as actuating lever 403, drive plate 402 makes servo cylinder 401's thrust convert the pulling force to spacing dish 30.

In order to prevent the steel reinforcement cage from being scratched, the inner surface of the hook part of the hook 10 is provided with a silica gel layer.

In order to ensure the strength of the hoisting clamp, the mounting plate 20, the limiting plate 30, the support rod 60, the hook 10, the drive plate 402 and the drive rod 403 are made of 300M steel.

In order to prevent dust from affecting the smooth movement of the driving rod 403 relative to the mounting plate 20 during the construction process, the telescopic pipe 50 is sleeved on the circumference of the driving rod 403, the upper end of the telescopic pipe 50 is fixedly connected to the lower surface of the mounting plate 20, the lower end of the telescopic pipe 50 is fixedly connected to the upper surface of the limiting plate 30, and the maximum extension length of the telescopic pipe 50 is greater than the length of the driving rod 403.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (5)

1. A hoisting clamp for a steel reinforcement cage comprises a hook; the method is characterized in that: the device also comprises an installation disc, at least three groups of suspension parts which are distributed in the circumferential direction of the installation disc at equal angles, a limiting disc and a driving part fixed on the installation disc; each suspension piece comprises a support rod and a hook, one end of the support rod is hinged to the side face of the mounting disc, the hook is hinged to the other end of the support rod, the hinge axis of the support rod and the mounting disc is parallel to the axis of the mounting disc, and the hinge axis of the support rod and the mounting disc is parallel to the hinge axis of the support rod and the hook; the radius of the mounting disc is smaller than that of the limiting disc, the limiting disc is positioned below the mounting disc, and the axis of the limiting disc is collinear with the axis of the mounting disc; the driving piece is used for driving the limiting disc to move along the axis direction of the limiting disc.

2. The reinforcement cage hoisting clamp of claim 1, wherein: the driving part comprises a servo hydraulic cylinder fixed on the upper surface of the mounting disc, a driving plate vertically fixed on an output shaft of the servo hydraulic cylinder and a driving rod with the upper end vertically fixed on the driving plate; the lower end of the driving rod penetrates through the mounting disc and is vertically fixed on the upper surface of the limiting disc.

3. The reinforcement cage hoisting clamp of claim 1 or 2, wherein: the inner surface of the hook part of the hook is provided with a silica gel layer.

4. The reinforcement cage hoisting clamp of claim 2, wherein: the mounting disc, the limiting disc, the supporting rod, the hook, the driving plate and the driving rod are made of 300M steel.

5. The reinforcement cage hoisting clamp of claim 2, wherein: the telescopic pipe is sleeved on the circumferential direction of the driving rod, the upper end of the telescopic pipe is fixedly connected to the lower surface of the mounting plate, the lower end of the telescopic pipe is fixedly connected to the upper surface of the limiting plate, and the maximum extension length of the telescopic pipe is greater than that of the driving rod.

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