CN210064891U

CN210064891U - Linear four-point-crane universal hoisting device for precast concrete member

Info

Publication number: CN210064891U
Application number: CN201920974456.6U
Authority: CN
Inventors: 罗小剑; 但唐明
Original assignee: Zhong Min Zhu You Housing Technology Group Co Ltd
Current assignee: Zhong Min Zhu You Housing Technology Group Co Ltd
Priority date: 2019-06-26
Filing date: 2019-06-26
Publication date: 2020-02-14
Anticipated expiration: 2029-06-26

Abstract

The utility model provides a general hoisting accessory is hung to straight line four points for precast concrete member, including the frock of lifting by crane, two piece at least wire ropes and two at least pulleys of breaking out, the frock of lifting by crane includes the crossbeam board, the girder iron, bearing diagonal beam board and lug, still be provided with three at least through-holes that are used for indirectly hanging establishing wire rope along the length direction of girder iron on the girder iron, and have at least one through-hole setting in the first half district of girder iron length direction in the three through-hole, also have at least one through-hole setting in the latter half district of girder iron length direction, two piece at least wire ropes are hung respectively in these two through-holes through the pulley of breaking out, three at least through-holes can be applicable to the straight line four point of the precast concrete member of not unidimension. The utility model discloses a unique structure lift by crane the frock, in control cost, guaranteed the biggest lifting force. Through the reasonable combination of the hoisting tool, the steel wire rope and the shackle pulley, the prefabricated parts with different sizes can be hoisted, and the high universality is achieved.

Description

Linear four-point-crane universal hoisting device for precast concrete member

Technical Field

The utility model belongs to the technical field of housing construction engineering, concretely relates to straight line four-point hangs general hoisting accessory for precast concrete component.

Background

Prefabricated concrete member of prefabricated building is more of a kind, including wallboard, floor, roof beam, stair etc. and the length and width size of every kind of component and the difference of hoist and mount mode lead to hanging the uneven distribution of nail, and the mode that wire rope hoisted has in the present precast concrete mill adopted, has following problem and not enough:

1. the contact position of the steel wire rope and the crane hook cannot move, the friction is large, the length of the steel wire rope at each lifting point is unequal during lifting, and when the stress of the lifting point is uneven, the component at the lifting nail is cracked.

2. The lifting angle of the member with larger span is smaller, so that the steel wire rope and the travelling crane bear the pulling force larger than the self weight of the member.

3. The lifting angle of the member with larger span is smaller, which also causes the cracking of the peripheral members of the hanging nail.

At present, the engineering site adopts a mode of customizing a tool to lift, and the following problems and defects exist:

1. the customized tool is adopted for hoisting, so that the universality is low;

2. the customization frock is comparatively heavy, bulky, uses inconveniently, and overall cost is on the high side.

Patent document CN201420177210 discloses a universal lifting appliance for a residential industrial concrete prefabricated part, which comprises a plurality of lifting lugs, a plurality of frameworks and a plurality of connecting ribs; a plurality of lifting lugs are welded at the upper part of each framework; the plurality of mutually parallel frameworks are welded into a square hoisting frame through a plurality of connecting ribs; the framework is formed by fixedly connecting two channel steels back to back, and a first hoisting steel plate with the same length is clamped between the two channel steels; the connecting ribs are formed by fixedly connecting two channel steels back to back, and a second hoisting steel plate with the same length is clamped in the two channel steels. The utility model discloses a solved multiple type of prefabricated building element's hoist and mount complicacy, change the longer problem of hoist time, nevertheless it has the structure complicacy, hoist weight is too big itself, and the welded point is also more not enough.

Thus, a new lifting device is needed.

Disclosure of Invention

The utility model aims to provide a linear four-point hoisting general hoisting device for precast concrete members, which solves the problem that hoisting by adopting a steel wire rope in the background technology easily leads to crack of a hoisting nail or a hoisting nail peripheral member; the problems of low universality, heaviness and high cost are solved when the customized tool is adopted for hoisting.

In order to achieve the above object, the utility model provides a general hoisting accessory is hung to sharp four points for precast concrete member, hoisting accessory includes hoisting accessory, at least two wire rope and at least two pulleys of breaking out, hoisting accessory includes crossbeam board, longeron board, bearing diagonal board and lug, the face of crossbeam board is upwards and downwards and the lug is fixed and is set up on the upper plate face of crossbeam board, the face of longeron board is perpendicular to the face of crossbeam board and longeron board fixed connection is on the lower plate face of crossbeam board, and the position of connection of longeron board and crossbeam board is the middle 3/5 position of crossbeam board width direction, the face slope of bearing diagonal board sets up, the length direction of crossbeam board, longeron board and bearing diagonal board is the same, and one side of the width direction of bearing diagonal board is fixed connection with the lower plate face of crossbeam board, the other side of the diagonal bracing beam plate in the width direction is fixedly connected with one plate surface of the longitudinal beam plate, one diagonal bracing beam plate is arranged on the left side of the longitudinal beam plate, and the other diagonal bracing beam plate is arranged on the right side of the longitudinal beam plate in the width direction of the transverse beam plate; still be provided with at least three through-hole that is used for indirectly hanging establishing wire rope along the length direction of longeron board on the longeron board, just the through-hole sets up the below of fixed connection department between bearing diagonal beam board and longeron board, and has at least a through-hole setting in longeron board length direction's first half district in the three through-hole, also has at least a through-hole setting in longeron board length direction's latter half district, and two piece at least wire ropes are hung respectively in these two through-holes through breaking out the pulley, and at least three through-hole can be applicable to the straight line four-point of not unidimensional precast concrete member and hang.

Furthermore, the connecting position of the longitudinal beam plate and the transverse beam plate is the central point position of the transverse beam plate in the width direction, and the two inclined supporting beam plates are symmetrically arranged along the longitudinal beam plate.

Furthermore, the lifting lugs are two in number and are symmetrically distributed along the center of the length direction of the cross beam plate.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses a unique structure lift by crane the frock, in control cost, guaranteed the biggest lifting force.

The through holes for hoisting are designed, so that hoisting within a certain range is convenient to realize.

Through the reasonable combination of lifting by crane frock, wire rope and the pulley of breaking out, the utility model discloses can lift by crane not unidimensional prefabricated component, have higher commonality.

In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:

fig. 1 is a schematic view of a hoist according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an embodiment of the present invention;

fig. 3 is a front view of an embodiment of the present invention;

fig. 4 is a left side view of an embodiment of the present invention;

wherein, 1, hoisting the tool; 2. a wire rope; 3. a shackle pulley; 5. prefabricating a concrete member; 11. a beam plate; 12. a longitudinal beam plate; 13. a diagonal bracing beam panel; 14. lifting lugs; 121. and a through hole.

Detailed Description

The embodiments of the invention will be described in detail hereinafter with reference to the accompanying drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.

Example 1

The utility model provides a general hoisting accessory is hung to straight line four points for precast concrete member, hoisting accessory includes hoisting accessory 1, two piece at least wire rope 2 and two piece at least pulley 3 of breaking out, hoisting accessory 1 includes crossbeam board 11, longeron board 12, bearing diagonal board 13 and lug 14, the face of crossbeam board 11 is upwards and downwards and lug 14 is fixed to be set up on the upper plate face of crossbeam board 11, the face of crossbeam board 12 is perpendicular with the face of crossbeam board 11 and longeron board 12 is fixed connection on the lower plate face of crossbeam board 11, and the hookup location of longeron board 12 and crossbeam board 11 is the middle 3/5 position of crossbeam board 11 width direction, the face slope of bearing diagonal board 13 sets up, crossbeam board 11, longeron board 12 and bearing diagonal board 13's length direction is the same, and one side of the width direction of bearing diagonal board 13 is fixed connection with the lower plate face of crossbeam board 11, the other side of the diagonal bracing beam plate 13 in the width direction is fixedly connected with one plate surface of the longitudinal beam plate 12, one diagonal bracing beam plate 13 is arranged on the left side of the longitudinal beam plate 12, and the other diagonal bracing beam plate 13 is arranged on the right side of the longitudinal beam plate 12 in the width direction of the transverse beam plate 11; at least three through holes 121 for indirectly hanging the steel wire ropes 2 are further formed in the longitudinal beam plate 12 in the length direction of the longitudinal beam plate 12, the through holes 121 are formed in the lower portion of the fixed connection portion between the inclined support beam plate 13 and the longitudinal beam plate 12, at least one through hole 121 in the three through holes 121 is formed in the front half area of the longitudinal beam plate 12 in the length direction, at least one through hole 121 is formed in the rear half area of the longitudinal beam plate 12 in the length direction, the at least two steel wire ropes 2 are respectively hung in the two through holes 121 through the shackle pulleys 3, and the at least three through holes 121 can be suitable for linear four-point hanging of precast concrete members 5 of different sizes.

Further, the connecting position of the longitudinal beam plate 12 and the transverse beam plate 11 is the central point position of the transverse beam plate 11 in the width direction, and the two inclined supporting beam plates 13 are symmetrically arranged along the longitudinal beam plate 12.

Furthermore, the two lifting lugs 14 are symmetrically distributed along the center position of the length direction of the cross beam plate 11.

When the lifting device is a combination of a lifting tool, a shackle pulley and a steel wire rope, the lifting device adopts linear large-span four-point lifting and is suitable for linear components with 4 lifting points. The lifting tool is 3.1m long, is suitable for any linear member with the maximum weight not more than 12 tons, the length not more than 9m and the width not more than 3.3m when the weight is 450kg, and has high universality. And the self weight of the traditional hoisting tool needs to reach 1000kg to reach the same hoisting weight.

In the process of hoisting the large-span linear member, the shackle pulley 3 is installed at a proper position of the through hole 121 as much as possible, so that the steel wire ropes 2 on the two sides of the shackle pulley 3 are uniformly stressed as much as possible, the opening angles of the steel wire ropes 2 are equal as much as possible, and the lengths of the steel wire ropes on the two sides are equal as much as possible.

The foregoing is a more detailed description of the invention, taken in conjunction with the specific preferred embodiments, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions and replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. The utility model provides a general hoisting accessory of straight line four point crane for precast concrete member, a serial communication port, hoisting accessory is including hoisting accessory (1), two piece at least wire rope (2) and two at least break-out pulleys (3), hoisting accessory (1) includes crossbeam board (11), longeron board (12), diagonal bracing beam board (13) and lug (14), the face of crossbeam board (11) is upwards and downwards and lug (14) are fixed to be set up on the last face of crossbeam board (11), the face of crossbeam board (12) is perpendicular and longeron board (12) fixed connection on the lower face of crossbeam board (11) with the face of crossbeam board (11), and the hookup location of longeron board (12) and crossbeam board (11) is the centre 3/5 position of crossbeam board (11) width direction, the face slope of diagonal bracing beam board (13) sets up, crossbeam board (11), The length directions of the longitudinal beam plate (12) and the inclined supporting beam plate (13) are the same, one side of the inclined supporting beam plate (13) in the width direction is fixedly connected with the lower plate surface of the transverse beam plate (11), the other side of the inclined supporting beam plate (13) in the width direction is fixedly connected with one plate surface of the longitudinal beam plate (12), one inclined supporting beam plate (13) is arranged on the left side of the longitudinal beam plate (12) in the width direction of the transverse beam plate (11), and the other inclined supporting beam plate (13) is arranged on the right side of the longitudinal beam plate (12); at least three through holes (121) used for indirectly hanging the steel wire ropes (2) are further formed in the longitudinal beam plate (12) along the length direction of the longitudinal beam plate (12), the through holes (121) are formed in the lower portion of the fixed connection portion between the inclined supporting beam plate (13) and the longitudinal beam plate (12), at least one through hole (121) in the three through holes (121) is formed in the front half area of the longitudinal beam plate (12) in the length direction, at least one through hole (121) is formed in the rear half area of the longitudinal beam plate (12) in the length direction, at least two steel wire ropes (2) are respectively hung in the two through holes (121) through the shackle pulleys (3), and the at least three through holes (121) can be suitable for straight line four-point hanging of precast concrete members (5) of different sizes.

2. The hoisting device according to claim 1, wherein the connection position of the longitudinal beam plate (12) and the transverse beam plate (11) is the central point position of the transverse beam plate (11) in the width direction, and the two inclined support beam plates (13) are symmetrically arranged along the longitudinal beam plate (12).

3. A hoisting device as claimed in claim 1, characterized in that the lifting lugs (14) are two-piece, and the two lifting lugs (14) are symmetrically arranged along the centre position of the length direction of the beam plate (11).