CN217025049U - Prefabricated apron instrument formula hoisting device - Google Patents

Abstract

The utility model provides a prefabricated cover plate tool type lifting device, which comprises: the two hooks are oppositely arranged and connected in a relatively rotating manner; the two handles are respectively arranged on the two hooks; and the spring is arranged between the two hooks, and two ends of the spring are respectively connected with the two hooks. According to the tool type lifting device for the prefabricated cover plate, the hook, the handle and the spring are arranged, the prefabricated cover plate can be installed and maintained, the operation speed is effectively improved, the problem that the lifting ring is seriously corroded and cannot be lifted due to the fact that the existing pipe trench cover plate is lifted by the lifting hook can be effectively solved, the potential safety hazard exists, meanwhile, the tool type lifting device for the prefabricated cover plate is convenient and simple to operate, the problem that the pre-buried lifting ring is corroded and damaged due to corrosion and cannot be lifted in the later period is effectively solved, the later-period maintenance cost can be effectively reduced, and the tool type lifting device is good in practical effect.

Description

Prefabricated apron instrument formula hoisting device

Technical Field

The utility model relates to the technical field of pipe trench engineering construction equipment, in particular to a prefabricated cover plate tool type lifting device.

Background

At present the domestic building trade in trench engineering work progress, trench cover plate adopts simple lifting hook to lift by crane the installation, and especially in the maintenance process in later stage, original rings corrosion should not lift by crane seriously, has the potential safety hazard.

Disadvantages of non-tool lifting devices: firstly, the durability of the material is difficult to guarantee. And secondly, the safety is low. And thirdly, the hanger cannot be matched with a pre-buried type hanger for use. Fourthly, the later maintenance cost is higher.

Disclosure of Invention

In view of the above, the utility model provides a prefabricated cover plate tool type lifting device, and aims to solve the problems that a lifting ring is rusted seriously and is not suitable for lifting when the existing pipe trench cover plate is lifted and installed by a lifting hook, and potential safety hazards exist.

The utility model provides a prefabricated cover plate tool type lifting device, which comprises: the two hooks are connected in a relatively rotatable mode and are respectively inserted into two holes of the prefabricated cover plate and supported on the lower side of the connecting part between the holes so as to be clamped on the prefabricated cover plate; the two handles are respectively arranged on the two hooks and used for applying acting force to the hooks so as to enable the two hooks to rotate relatively, and the opening between the two hooks is adjusted so as to be clamped on the prefabricated cover plate or taken out of the prefabricated cover plate; and the spring is arranged between the two hooks, and two ends of the spring are respectively connected with the two hooks and used for applying elastic acting force to the hooks.

Further, according to the prefabricated cover plate tool type lifting device, each hook is provided with a hanging hole for lifting the prefabricated cover plate clamped and fixed by the hook.

Furthermore, according to the prefabricated cover plate tool type lifting device, a lifting rope is arranged on the lifting hole and used for being connected with the lifting device so as to apply lifting driving force to the hook.

Furthermore, according to the prefabricated cover plate tool type lifting device, the end part of each hook is provided with a friction pad for improving the friction coefficient of the end part of each hook.

Further, in the above prefabricated cover plate tool type lifting device, the opposite sides of each hook are provided with connecting rods which are connected with the ends of the springs.

Further, above-mentioned prefabricated apron instrument formula hoisting device, the couple is Z style of calligraphy structure.

Furthermore, according to the prefabricated cover plate tool type lifting device, the two hooks are connected in a relatively rotating mode through the connecting shaft.

Further, according to the prefabricated cover plate tool type lifting device, the spring is a hard spring.

Further, in the above prefabricated cover plate tool type lifting device, the spring is a compression spring.

Further, above-mentioned prefabricated apron instrument formula hoisting device, handle with structure as an organic whole between the couple.

The prefabricated cover plate tool type lifting device provided by the utility model can be used for installing and overhauling a prefabricated cover plate through the arrangement of the hook, the handle and the spring, effectively improves the operation speed, and can effectively solve the problem that the lifting ring is seriously corroded and cannot be lifted and has potential safety hazards when the existing pipe trench cover plate is lifted and installed by adopting a lifting hook.

Drawings

Various additional advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

FIG. 1 is a plan view of a prefabricated decking tool-type lifting apparatus provided in accordance with an embodiment of the present invention;

FIG. 2 is a top view of a prefabricated decking tool-type lifting apparatus provided in accordance with an embodiment of the present invention;

fig. 3 is a cross-sectional view taken at a-a in fig. 1.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Referring to fig. 1 to 3, a preferred structure of a prefabricated cover plate tool type lifting device provided by the embodiment of the utility model is shown. As shown, the apparatus comprises: two hooks 1, two handles 2 and a spring 3; wherein, the first and the second end of the pipe are connected with each other,

the two hooks 1 are arranged oppositely, and the two hooks 1 are connected in a relative rotation mode and are used for being inserted into two holes of a prefabricated cover plate (not shown in the figure) respectively and supported on the lower sides of the connecting parts between the hole sites so as to be clamped on the prefabricated cover plate. Specifically, couple 1 can be Z style of calligraphy structure, and two couples can set up mutually back to each other, like the mirror image setting shown in fig. 1 to insert in the hole site of prefabricated apron in the intermediate junction portion of two couples 1, and support the connecting portion downside between the hole site through the bottom of two couples 1 (the left lower extreme of left side couple 1 and the right lower extreme of right side couple 1 shown in fig. 1), so that couple 1 card is fixed on prefabricated apron, and couple 1 is hung and is established on prefabricated apron promptly. Can be connected in order can the mode of relative rotation through connecting axle 4 between two couples 1, two couples 1 all rotationally are connected also namely the pivot with connecting axle 4 promptly to realize the rotation between two couples, realize the regulation of open end between two couples 1, for example can hang when establishing on prefabricated apron that the opening diminishes, with insert from the hole site, and can insert the back opening and enlarge in order to support on the connecting portion between the hole site. Wherein, the hook 1 is formed by hot forging 45# steel.

The two handles 2 are respectively arranged on the two hooks 1 and used for applying acting force to the hooks 1 so as to enable the two hooks 1 to rotate relatively, and the opening between the two hooks 1 is adjusted to be clamped on the prefabricated cover plate or taken out of the prefabricated cover plate. Specifically, the handle 2 and the hook 1 may be integrally formed, but the present invention is not limited thereto, and in other embodiments, the connection manner between the handle 2 and the hook 1 may be a suitable connection manner, such as welding, etc. A scissor-shaped structure can be formed between the two handles 2 and the two hooks 1, so that the acting force is applied to the two hooks 1 through the adjustment of the included angle between the two handles 2, and the opening between the two hooks 1 is adjusted; of course, the two handles 2 and the two hooks 1 may have other shapes, for example, the handles 2 and the hooks 1 connected correspondingly are disposed on the same side, which is not limited in this embodiment. In this embodiment, the scissors-shaped structure is convenient for adjust the opening between two couples 1, and convenient to use is laborsaving. The handle 2 may have an arc-shaped structure, but the utility model is not limited thereto, and in other embodiments, the handle 2 may have a suitable shape, such as a straight rod, a bent rod, and the like. Wherein, the handle 2 is formed by hot forging 45# steel.

The spring 3 is arranged between the two hooks 1, and two ends (left and right ends shown in fig. 1) of the spring 3 are respectively connected with the two hooks 1 and are used for applying elastic acting force to the hooks 1, so that the hooks 1 can adjust the opening between the hooks 1 to be in an open state under the action of the spring 3 in a free state, and the top end of the hook 1 is in pressing contact with the bottom wall of the hole position middle connecting part. Specifically, the spring 3 may be a hard spring to realize hard support of the two hooks 1, so that the two hooks 1 are in an open state in a free state; the spring 3 can be a compression spring, so that when the handle 2 applies acting force to adjust the opening of the hook 1, the spring 3 applies pressure to the spring 3, and the spring 3 applies restoring force to the hook 1, so that the hook 1 is reset to the opening state. In the present embodiment, opposite sides of each hook 1 (a right side of the left hook 1 shown in fig. 1 and a left side of the right hook 1) are provided with a connecting rod 5 connected to end portions (left and right ends shown in fig. 1) of the spring 3 to achieve connection between the spring 3 and the hook 1.

In order to realize the hoisting and lifting of the device, preferably, each hook 1 is provided with a hoisting hole 11 for realizing the lifting of the prefabricated cover plate clamped and fixed by the hook 1; further preferably, the hanging hole 11 is provided with a hanging rope 6 for connecting a hoisting device (not shown in the figure), and the hoisting device is used as a power device to apply a hoisting driving force to the hook 1. When the lifting device is specifically implemented, the top of the lifting rope 6 can be provided with a snap ring for being hung on the lifting device. The power device is lifted through the lifting rope 6, the lifting device transmits force to the hook 1 through the stress hole 11, and the lifting equipment is used for lifting the prefabricated cover plate.

In this embodiment, in order to improve the stability between the hooks 1 and the prefabricated cover plate, it is preferable that the end portion of each of the hooks 1 (the left lower end of the left side hook 1 and the right lower end of the right side hook 1 shown in fig. 1) is provided with a friction pad 7 for improving the friction coefficient of the end portion of the hook 1 to increase the friction force between the hook 1 and the prefabricated cover plate. In practical applications, the friction pad 7 may be provided with friction stripes to further increase the friction coefficient.

With continued reference to fig. 1, the hanger 1 may include: a support body 12, a connecting body 13 and a hook body 14; the support body 12 can be disposed on one side (the upper side as shown in fig. 1) of the hook body 14, the connection body 13 is disposed between the support body 12 and the hook body 14, the connection body 13 can be disposed at an included angle with both the support body 12 and the hook body 14, and two ends (the upper and lower ends as shown in fig. 1) of the connection body 13 are respectively connected with the support body 12 and the hook body 14 to form a Z-shaped structure. The support body 12 and the hook body 14 can be arranged in parallel, and the connection body 13 is perpendicular to both the support body 12 and the hook body 14. Wherein, the hanging hole 11 can be arranged on the supporting body 12; the connecting rod 15 may be provided on the connecting body 13, and the friction pad 7 may be provided on the upper surface of the hanger body 14.

To sum up, the prefabricated apron instrument formula hoisting device that this embodiment provided, through couple 1, the setting of handle 2 and spring 3, can carry out the installation and the maintenance of prefabricated apron, the operation speed has been promoted effectively, can effectively solve current trench cover and adopt the lifting hook to lift by crane the installation and appear that the rings corrosion seriously should not lift by crane the problem that has the potential safety hazard, and simultaneously, this prefabricated apron instrument formula hoisting device convenient operation is simple, it is swift to remove, time saving and labor saving, and is convenient to carry, the security is good, the labor efficiency is improved, and can cooperate instrument formula hoist to use together, solve the problem of the corrosion damage problem of pre-buried rings and the unable hoist and mount in later stage effectively, can reduce later stage maintenance cost effectively, and the practical function is good.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Furthermore, it should be noted that, in the description of the present invention, 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; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (10)

1. A prefabricated decking instrument formula hoisting device which characterized in that includes:

the two hooks are connected in a relatively rotatable mode and are respectively inserted into two holes of the prefabricated cover plate and supported on the lower side of the connecting part between the holes so as to be clamped on the prefabricated cover plate;

the two handles are respectively arranged on the two hooks and used for applying acting force to the hooks so as to enable the two hooks to rotate relatively, and the opening between the two hooks is adjusted so as to be clamped on the prefabricated cover plate or taken out of the prefabricated cover plate;

and the spring is arranged between the two hooks, and two ends of the spring are respectively connected with the two hooks and used for applying elastic acting force to the hooks.

2. The prefabricated decking tool type lifting device of claim 1,

each hook is provided with a hanging hole for realizing the lifting of the prefabricated cover plate clamped and fixed by the hook.

3. The prefabricated decking tool type lifting device of claim 2,

the lifting hole is provided with a lifting rope for connecting a lifting device so as to apply lifting driving force to the hook.

4. The prefabricated decking tool lifting apparatus of any one of claims 1 to 3,

the end parts of the hooks are provided with friction pads for improving the friction coefficient of the end parts of the hooks.

5. The prefabricated decking tool type lifting device of any one of claims 1 to 3,

and the opposite sides of the hooks are provided with connecting rods which are connected with the end parts of the springs.

6. The prefabricated decking tool-type lifting device of any one of claims 1 to 3, wherein the hooks are of a zigzag structure.

7. The prefabricated decking tool lifting device defined in any one of claims 1 to 3 wherein the two hooks are connected to each other by a connecting shaft in a relatively rotatable manner.

8. The prefabricated decking tool lifting device defined in any one of claims 1 to 3 wherein the spring is a stiff spring.

9. The prefabricated decking tool lifting device of any one of claims 1 to 3, wherein the spring is a compression spring.

10. The prefabricated decking tool lifting device defined in any one of claims 1 to 3 wherein the handle and the hook are of unitary construction.

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