CN222989513U - Prefabricated component lifting equipment and lifting system - Google Patents

Abstract

The utility model relates to the field of prefabricated part hoisting of prefabricated buildings, in particular to a prefabricated part lifting appliance and a lifting system. According to the utility model, at least two hoisting connecting parts are arranged at each hoisting position, so that proper hoisting positions can be selected according to the gravity center of the prefabricated part, the gravity center of the prefabricated part is balanced, and the first hoisting leg is vertically connected with the main frame, and the first hoisting leg is rigidly connected with the prefabricated part through the bolt during hoisting, so that the hoisting connecting parts are vertically stressed and uniformly stressed during hoisting, and the hoisting is not easy to rotate. The prefabricated part is hoisted by adopting the prefabricated part hoist, the swing amplitude in the hoisting process is small, the floor is stable, the risk of collision during the floor can be reduced, and the hoisting efficiency and the safety are improved.

Description

Prefabricated component hoist and hoisting system

Technical Field

The utility model relates to the technical field of prefabricated part hoisting of prefabricated building, in particular to a prefabricated part hoisting tool and a hoisting system.

Background

In bridge construction, the assembled bridge deck construction is increasingly emphasized by the characteristics of high efficiency and environmental protection, and more bridge deck auxiliary facilities of high-speed railway projects adopt prefabricated assembled structures. The bridge deck auxiliary facility of a certain line adopts prefabricated assembly components with the length of 4m, the standard width of 1.77m and the maximum weight of the single component of about 6.5t as an eccentric component.

In the construction of hoisting components, a hoisting tool is often required to hoist the assembled components. The traditional lifting appliance is generally in a mode of lifting the buckle by matching a steel wire rope, the lifting process is often stable because of the eccentric gravity center of the component, the lifting process is not stable enough in the falling, the component shakes in a large range, the safety risk is high, the installation and construction of the component are not facilitated, the collision phenomenon is very easy to occur during the falling, the appearance quality of the component is influenced, and a large amount of manpower and time are required to be consumed for repairing.

Disclosure of utility model

The utility model aims to provide a prefabricated component lifting appliance, which aims to enable components to be lifted and landed stably and improve lifting efficiency and safety.

In a first aspect, the present utility model provides a prefabricated element hanger comprising:

The main frame is provided with at least three hoisting positions, the at least three hoisting positions are arranged in a triangular point position, and each hoisting position is provided with at least two hoisting connecting parts for hoisting connection;

The first hanging legs are vertically connected with the main frame, the first hanging legs are arranged at intervals of two rows, at least one row of the first hanging legs are provided with at least two hanging holes, and the bottoms of the first hanging legs are provided with first hanging holes which are used for being connected with prefabricated components through bolts.

According to the utility model, at least three hoisting positions are arranged on the main frame and used for hoisting mechanical connection and hoisting, and at least three first hoisting legs are arranged at the bottom of the main frame and used for connecting the hoisted prefabricated components, so that the balance between the main frame and the components is easier to keep compared with one or two hoisting points. Furthermore, the utility model is convenient to select proper positions for hoisting connection according to the gravity centers of the prefabricated parts by arranging at least two hoisting connection parts for hoisting connection at each hoisting position, is favorable for balancing the gravity centers of the prefabricated parts and has stable hoisting, and meanwhile, the utility model can lead the hoisting connection parts to be vertically stressed and uniformly stressed when being hoisted and is not easy to rotate by connecting the first hoisting leg with the main frame vertically and connecting the first hoisting leg with the prefabricated parts rigidly through the bolts. The prefabricated part lifting appliance has small shaking amplitude in the lifting process, and is stable in lifting and landing, so that the risk of collision during landing can be reduced, and the lifting efficiency and the safety are improved.

Preferably, the main frame comprises two longitudinal beams and cross beams, the two longitudinal beams are arranged in parallel, the cross beams are transversely connected with the two longitudinal beams, the first hanging legs are connected with the longitudinal beams, and a plurality of cross beams are arranged.

Preferably, the top of the first hanging leg is in butt joint with the bottom of the longitudinal beam, and the first hanging leg and the longitudinal beam are connected on the outer side face through a second steel plate.

Preferably, at least one stiffening girder is obliquely arranged between the two longitudinal girders, and the stiffening girders are arranged in an X shape and are used for structural reinforcement.

Preferably, two rows of second hanging legs are arranged at the bottom of the main frame, the two rows of second hanging legs are located at the inner sides of the two rows of first hanging legs, second hanging holes are formed in the bottom of the second hanging legs, and the length of the second hanging legs is shorter than that of the first hanging legs.

Preferably, a base plate is arranged at the bottom of the second hanging leg.

Preferably, the lifting connection comprises a lifting lug.

Preferably, the hoisting connection portion further comprises a first steel plate, the lifting lug is fixed on the first steel plate, and the first steel plate is fixed on the upper surface of the main frame.

Preferably, all the hoisting connection parts at each hoisting position are arranged linearly along the transverse direction, and the gravity center adjustment of the bridge assembly type eccentric member is further adapted. As a further embodiment, an L-shaped corner arrangement, i.e. both in the cross beam direction and in the longitudinal beam direction, can also be used.

In a second aspect, the utility model provides a hoisting system, which comprises hoisting equipment and the prefabricated part hoisting tool, wherein the hoisting equipment is connected with the prefabricated part hoisting tool, and the hoisting is stable, high in efficiency and safe. The hoisting equipment can be a crane, a balance beam, a gantry crane and the like.

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

The utility model provides a prefabricated part lifting appliance, wherein proper lifting positions can be selected at each lifting position according to the gravity center of a prefabricated part, the gravity center of the prefabricated part is balanced, and a first lifting leg is vertically connected with a main frame, so that the first lifting leg is rigidly connected with the prefabricated part through a bolt during lifting, the lifting connection part is vertically stressed and uniformly stressed during lifting, and the lifting connection part is not easy to rotate. The prefabricated part is hoisted by adopting the prefabricated part hoist, the swing amplitude in the hoisting process is small, the floor is stable, the risk of collision during the floor can be reduced, and the hoisting efficiency and the safety are improved.

Drawings

Fig. 1 is a schematic structural view of a prefabricated part hanger in embodiment 1;

FIG. 2 is a plan view of FIG. 1;

Fig. 3 is a longitudinal cross-sectional view of fig. 1.

The drawing comprises 1-longitudinal beam, 2-transverse beam, 3-stiffening beam, 4-first hanging leg, 41-first hanging hole, 5-hanging connecting part, 6-second steel plate and 7-second hanging leg.

Detailed Description

The present utility model will be described in further detail with reference to specific examples. It should not be construed that the scope of the above subject matter of the present utility model is limited to the following embodiments, and all techniques realized based on the present utility model are within the scope of the present utility model.

Unless specifically stated otherwise, in the description of specific embodiments of the present utility model, terms of expression of orientation or positional relationship in which "up", "down", "left", "right", "center", "inside", "outside", etc. are indicated are all expressions based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the inventive products/apparatuses/devices are placed when they are conventionally used. These directional or positional terms are merely used to facilitate description of the aspects of the utility model or to simplify the description of the specific embodiments, so that a skilled artisan will readily understand the aspects, rather than to indicate or imply that a particular device/component/element must have a particular orientation or be constructed and operated in a particular positional relationship, and thus should not be construed as limiting the utility model.

Furthermore, the terms "horizontal," "vertical," "overhang," "parallel," and the like, if any, do not denote the requirement that the corresponding apparatus/component/element be absolutely horizontal or vertical or overhang or parallel, but may be slightly inclined or offset. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined. Or may be simply understood as a corresponding device/component/element, disposed in a "horizontal", "vertical", "overhanging", "parallel" or the like direction, capable of having an error/deviation within + 10%, more preferably within + 8%, more preferably within + 6%, more preferably within + 5%, more preferably within + 4% of the corresponding directional arrangement. As long as the corresponding device/component/element is within the error/deviation range, it is still possible to achieve its function in the solution according to the utility model.

Furthermore, the appearances of the terms such as "first," "second," "third," etc. are merely descriptive of distinguishing between similar or identical components and not necessarily for describing a particular part or for indicating or implying a relative importance.

Furthermore, in the description of the embodiments of the present utility model, "several", "a plurality" and "a number" represent at least 2. There may be any case of 2, 3, 4, 5, 6, 7, 8, 9, etc., and even more than 9.

Furthermore, in the description of the technical solutions of the present utility model, unless explicitly specified/limited/restricted otherwise, the occurrence of the terms "set", "install", "connect", "provided", "laid" and "arranged" shall be understood in a broad sense, for example, as a fixed connection, as a removable connection, as an integral connection, as a connection means commonly used in the art, such as welding, riveting, bolting, screwing, etc. The connection may be mechanical connection, electrical connection or communication connection, direct connection, indirect connection through an intermediate medium, or communication between two elements.

Example 1

As shown in fig. 1-3, a prefabricated component hanger comprises a main frame and a first hanger leg 4. The main frame is arranged in a plane, at least three hoisting positions are arranged on the main frame, at least three hoisting positions are arranged in a triangular point position, at least two hoisting connecting parts 5 are arranged at each hoisting position, the hoisting connecting parts 5 are used for connecting a hoisting structure of hoisting machinery, the two hoisting connecting parts 5 at each hoisting position can be used for selecting proper positions according to the gravity centers of the prefabricated parts, the gravity centers of the prefabricated parts are balanced, hoisting is stable, first hoisting legs 4 are arranged at the bottom of the main frame and are arranged at intervals of two rows along the length direction (namely the longitudinal direction) of the prefabricated parts, at least two first hoisting legs 4 are arranged, the first hoisting legs 4 are vertically connected with the main frame and are used for rigidly connecting the hoisted bridge assembled prefabricated parts, such as railings, sound barriers and the like, the first hoisting legs 4 can also be used for stably supporting the main frame and are beneficial to stably placing the main frame, and preferably, at least four hoisting points are arranged at the bottom of the main frame corresponding to the hoisted prefabricated parts, so that the balance of the main frame and the components can be maintained more easily. Wherein, the two adjacent hoisting positions should have a larger distance, such as more than 50cm, and are not significantly positioned at the same position.

In one or more embodiments, at least three first suspending legs 4 are preferably arranged in each row to adapt to the suspending operation of prefabricated components with different length sizes.

In one or more embodiments, the main frame includes longitudinal beams 1 and cross beams 2, the longitudinal beams 1 are at least two and all the longitudinal beams 1 are arranged in parallel to each other along the longitudinal direction, and the cross beams 2 are arranged in a extending manner along the transverse direction and connect two adjacent longitudinal beams 1. The longitudinal beam 1 and the transverse beam 2 are preferably fixedly connected to form a square structure, the structure is stable, the connection is convenient, such as a rectangular, chinese character 'ri', chinese character 'mu' shaped structure, and the longitudinal beam 1 and the transverse beam 2 are vertically connected.

In one or more embodiments, the main frame further comprises stiffening beams 3, wherein the stiffening beams 3 are used for main frame structure reinforcement, and can be arranged on the longitudinal beams 1 or the transverse beams 2, and can also connect the longitudinal beams 1 and the transverse beams 2 or connect the longitudinal beams 1 and the longitudinal beams 1 or connect the transverse beams 2 and the transverse beams 2.

For example, as shown in fig. 1 and 2, in this embodiment, two stringers 1 are provided, four cross members 2 are disposed in parallel between two stringers 1, the cross members 2 are connected perpendicularly to the stringers 1, and stiffening girders 3 are disposed between two adjacent cross members 2 in an x-shape.

In the embodiment, the hoisting positions are respectively arranged at four corners of the upper surface of the main frame, the four corners are approximately arranged in rectangular point positions, the four corners are mutually corresponding to each other in front, back, left and right, are symmetrically arranged and are matched with the plane shape of the prefabricated part, stable hoisting is facilitated, stress is uniform, at least two hoisting connecting parts 5 at each corner are respectively arranged, the hoisting connecting parts 5 are preferably in a lifting lug structure, lifting lug lifting points are fixedly connected with the main frame through a first steel plate, the arrangement area of the first steel plate is large, and the lifting lugs are convenient to connect. In this embodiment, both ends of the two side stringers 1 extend beyond the cross beam 2, and at least one hoisting connection portion 5 is arranged at and near the connection nodes of the four corner cross beams 2, which is beneficial to structural stress. Three hoisting connecting portions 5 are arranged at four corners of the whole main frame respectively, preferably along the cross beam 2, the distance is 5cm-25cm, for example, first steel plates of the hoisting connecting portions 5 are arranged along the longitudinal beam 1 at the connecting joint, and first steel plates of the other two hoisting connecting portions 5 can be connected with the cross beam 2 and the stiffening beam 3 at the same time, so that the connecting strength is high and the stress is good. The connection lifting points at the corners can be connected with lifting lugs at proper positions according to the gravity centers of the prefabricated parts, so that the lifting is stable.

In one or more embodiments, a first lifting hole 41 is formed in the bottom of the first lifting leg 4, the first lifting hole 41 is formed in the transverse direction of the prefabricated part, the first lifting hole 41 can be directly connected with lifting holes of the prefabricated part through lifting steel bars, two ends of the lifting steel bars are fixed and limited through threaded connection nuts, the prefabricated part can also be indirectly connected through connecting pieces such as parallel hanging plates, two ends of the parallel hanging plates are respectively connected with the first lifting leg 4 and the prefabricated part through lifting steel bars, the prefabricated part is prevented from moving relative to the first lifting leg 4, the prefabricated part is convenient to install and detach, the prefabricated part can be guaranteed to be stable relative to the first lifting leg 4 in the lifting process, the shaking amplitude is small, and construction is safer. Wherein, the first lifting hole 41 can preferably adopt a 100mm long round hole, so that the lifting steel bar is convenient to install and detach.

In this embodiment, each connection point of the longitudinal beam 1 and the transverse beam 2 is correspondingly provided with a first hanging leg 4, that is, each row of first hanging legs 4 is provided with four places and 8 places in total, so as to adapt to different component hoisting operations, and steel plates are adopted at the top and the bottom of the first hanging legs 4 for reinforcement. The first hanging leg 4 is specifically arranged at the bottom of the longitudinal beam 1, and the first hanging leg 4 and the longitudinal beam 1 are arranged in an outer side alignment manner and are connected through the second steel plate 6, so that the connection strength of the first hanging leg 4 and the longitudinal beam 1 is enhanced.

In this embodiment, the lifting lug 12 is arranged above the lifting appliance, and the lifting point position can be changed to adapt to the balanced lifting operation of different components. When the component lifts by crane, the first lifting hole 41 in the bottom of the lifting leg aligns with the lifting hole of the prefabricated component, penetrates into the lifting steel bar, so that four-point synchronous lifting is realized, the lifting points are vertically stressed and uniformly stressed during lifting, the lifting process is stable, the component mounting efficiency and the mounting quality are effectively improved, and the safety risk is reduced.

Further, in one or more embodiments, the prefabricated component lifting appliance further includes a second hanging leg 7, the second hanging leg 7 is vertically connected to the bottom of the main frame, and reinforced by steel plates at the top and bottom of the second hanging leg 7, the second hanging leg 7 is specifically connected to the bottom of the beam 2, the first hanging leg 4 and the second hanging leg 7 are arranged at intervals in the transverse direction, so that the prefabricated component lifting appliance can adapt to lifting operations of prefabricated components with different width dimensions, and the length of the second hanging leg 7 is shorter than that of the first hanging leg 4, so that structural interference with some prefabricated components is avoided. Correspondingly, two rows of second hanging legs 7 are arranged along the transverse direction, at least one row of second hanging legs 7 is arranged, and at least three first hanging legs 4 are preferably arranged in each row so as to adapt to the hanging operation of prefabricated parts with different length sizes.

In this embodiment, two rows of second hanging legs 7 are located at the inner sides of two rows of first hanging legs 4, corresponding to the positions of the first hanging legs 4 in the transverse direction, second hanging holes are formed in the bottoms of the second hanging legs 7, and a base plate is arranged at the end face of the bottom of the second hanging legs 7. The second suspending leg 7 may be used to assist in connecting the prefabricated elements.

As other possible embodiments, the prefabricated part may be hoisted by only the second hanging leg 7 according to the size of the prefabricated part, and the connection mode is the same as the first hanging leg 4, or one side of the prefabricated part is connected by the first hanging leg 4 on the corresponding side, and the other side of the prefabricated part is connected by the second hanging leg 7 on the corresponding side.

In this embodiment, longeron 1, crossbeam 2, first hanging leg 4 and second hanging leg 7 all adopt the No. 14a channel-section steel, and the stiffening beam 3 adopts the No. 10 channel-section steel, and the channel-section steel component is convenient not only to draw materials, and the cost is lower moreover, and can satisfy the intensity requirement.

The prefabricated part lifting appliance is simple to manufacture and good in bearing capacity. Meanwhile, the lifting position can be adjusted according to the gravity center position of the prefabricated part, the lifting process is not easy to rotate, the swing amplitude in the lifting process is small, the floor is more stable, the stability is good, and the working efficiency is greatly improved.

Example 2

A hoisting system comprises hoisting equipment and the prefabricated part lifting appliance, wherein the hoisting equipment is connected with the prefabricated part lifting appliance.

The hoisting equipment can be a crane, the crane is connected with the lifting appliance through a lifting hook and a steel wire rope, the prefabricated parts are connected through the lifting appliance, and the finished products of the prefabricated parts can be continuously hoisted by means of the crane.

The lifting device can also be a balance beam, the balance beam is provided with a lifting assembly capable of moving back and forth along the balance beam, the position of a lifting part can be flexibly adjusted according to the size of the bridge deck plate, the stress of each lifting point is balanced, single-point overload is prevented, the balance of the lifted device, namely the prefabricated part lifting appliance and the prefabricated part is kept, the application range is wide, popularization and application in production practice are facilitated, the installation and the disassembly are convenient, the operability is high, and the lifting efficiency of prefabricated assembly type finished products is improved.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. A prefabricated component hanger, comprising:

The main frame is provided with at least three hoisting positions, the at least three hoisting positions are arranged in a triangular point position, and each hoisting position is provided with at least two hoisting connecting parts (5) for hoisting connection;

The first hanging legs (4) are vertically connected with the main frame, the first hanging legs (4) are arranged at intervals in two rows, at least one row of the first hanging legs (4) are provided with at least two hanging holes (41) at the bottom of the first hanging legs (4), and the first hanging holes (41) are used for being connected with prefabricated components through bolts.

2. The prefabricated part lifting appliance according to claim 1, wherein the main frame comprises two longitudinal beams (1) and cross beams (2), the two longitudinal beams (1) are arranged in parallel, the cross beams (2) are transversely connected with the two longitudinal beams (1), the first lifting legs (4) are connected with the longitudinal beams (1), and a plurality of cross beams (2) are arranged.

3. A prefabricated element spreader according to claim 2, characterized in that the top of the first leg (4) is in butt joint with the bottom of the stringer (1), the first leg (4) and the stringer (1) being connected at the outer side by means of a second steel plate (6).

4. A prefabricated element spreader according to claim 2, characterized in that at least one stiffening girder (3) is arranged obliquely between two stringers (1), said stiffening girders (3) being arranged in an x-shape.

5. The prefabricated part lifting appliance according to claim 1, wherein two rows of second lifting legs (7) are arranged at the bottom of the main frame, the two rows of second lifting legs (7) are located on the inner sides of the two rows of first lifting legs (4), second lifting holes are formed in the bottoms of the second lifting legs (7), and the length of the second lifting legs (7) is shorter than that of the first lifting legs (4).

6. A prefabricated element spreader according to claim 5, characterized in that the bottom of the second suspending leg (7) is provided with a backing plate.

7. A prefabricated element spreader according to any one of claims 1-6, characterized in that the hoisting connection (5) comprises a lifting lug.

8. The prefabricated element hanger according to claim 7, wherein the hanging connection (5) further comprises a first steel plate, the lifting lug being fixed to the first steel plate, the first steel plate being fixed to the upper surface of the main frame.

9. A prefabricated element spreader according to any one of claims 1-6, characterized in that all the hoisting connections (5) at each hoisting location are arranged in a transverse direction or in an L-shape.

10. A hoisting system comprising hoisting equipment and a prefabricated component hoist according to any one of claims 1-9, said hoisting equipment being connected to said prefabricated component hoist.