CN113336124A - Lifting frame and construction method thereof - Google Patents
Lifting frame and construction method thereof Download PDFInfo
- Publication number
- CN113336124A CN113336124A CN202110546912.9A CN202110546912A CN113336124A CN 113336124 A CN113336124 A CN 113336124A CN 202110546912 A CN202110546912 A CN 202110546912A CN 113336124 A CN113336124 A CN 113336124A
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- Prior art keywords
- column
- support
- web member
- sleeve
- steel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/02—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms suspended from ropes, cables, or chains or screws and movable along pillars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a lifting frame and a construction method thereof. The lifting frame comprises a plurality of lifters, conversion nodes and a frame body. The lifter is used for lifting steel structures. The conversion node includes a plurality of spliced poles, and the spliced pole is connected with the lifting mechanism, and the spliced pole is located the web member top of steel construction, and the web member can support the spliced pole. The support body includes a plurality of support columns, and the top of support column is located the web member below, and the support column is used for supporting the web member, and the support body is used for being connected with the girder steel or the concrete member of steel construction. The column top area rod pieces in the steel structure are dense, the operation space is small, and a temporary support with large measure quantity cannot be built. The lifting frame and the construction method thereof in the embodiment of the invention can fully utilize the web member in the existing steel structure as the conversion point of pressure transmission, have small measure amount in the dense area of the rod member and improve the convenience of construction.
Description
Technical Field
The invention relates to the field of buildings, in particular to a lifting frame and a construction method thereof.
Background
At present, during the construction of a large-span steel structure building, a plurality of structures of the steel structure building are constructed by adopting a lifting method. The steel beam, steel column or concrete structure which is constructed in the existing steel structure is generally adopted as a lifting fulcrum to lift, and a temporary lifting frame is built to lift by adopting a part of construction methods. However, when the rods in the column top area are dense, the steel beams, the steel columns or the concrete structures cannot be used as lifting fulcrums, the measure for building the temporary lifting frame is large in quantity, the economical efficiency is poor, and the construction safety is low.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a lifting frame which can reduce the measure amount of the lifting frame in the column top area with dense rod pieces and improve the convenience of construction.
The invention further provides a construction method of the lifting frame.
A hoisting frame according to an embodiment of the first aspect of the present invention is adapted for use in a steel structure having a structure of web members, steel beams, concrete members, etc., and comprises:
the lifters are used for lifting a steel structure to be constructed;
the conversion node comprises a plurality of connecting columns, the connecting columns are connected with the lifter and are arranged above the web members of the steel structure, and the connecting columns can be supported by the web members;
the support body, the support body includes a plurality of support columns, the top of support column is located the web member below, the support column is used for supporting the web member, the support body be used for with the girder steel or the concrete member is connected.
The lifting frame provided by the embodiment of the invention at least has the following beneficial effects: the spliced pole is connected between riser and web member, can transmit the pressure of putting perpendicularly of riser on the web member. The support columns in the frame body can support the web members and transmit pressure to the steel beams or the concrete members of the steel structure, so that the pressure during lifting of the lifter is converted to the steel structure.
According to some embodiments of the invention, the conversion node further comprises a stiffening tube sleeved on the web member, the stiffening tube being located between the connection column and the support column.
According to some embodiments of the invention, the stiffening pipe comprises a first sleeve and a second sleeve, the first sleeve is connected with the connecting column, the second sleeve is connected with the supporting column, and the first sleeve is tightly abutted against the second sleeve.
According to some embodiments of the invention, the top end of the supporting column is a circular arc surface, and the top end of the supporting column is attached to the surface of the stiffening pipe.
According to some embodiments of the invention, the bottom end of the connecting column is a circular arc surface, and the bottom end of the connecting column is attached to the surface of the stiffening pipe.
According to some embodiments of the invention, the transfer node further comprises a transfer beam connected to the top end of the connection column and a plurality of support beams connected to the transfer beam, the support beams being located above the transfer beam and the support beams being connected to the risers.
According to some embodiments of the invention, four chords enclose the transfer beam, two of the four chords are parallel to each other, and the other two chords of the four chords are parallel to each other.
According to some embodiments of the invention, the support beam extends in a direction parallel to the direction of extension of any of the four chords.
According to some embodiments of the invention, the frame body further comprises a plurality of structural rods, one end of each structural rod is connected with the support column, and the other end of each structural rod is used for connecting the structural column of the steel structure.
According to some embodiments of the invention, one end of the structural rod is threadedly connected to the support post.
A hoisting frame construction method according to an embodiment of the second aspect of the present invention includes:
preparing a hoisting frame as described in the embodiment of the first aspect of the present invention;
arranging the frame body below a plurality of web members of a steel structure, connecting the frame body on the steel structure, and supporting the supporting columns in the frame body on the web members;
arranging the connecting column above a plurality of web members and enabling the web members to support the connecting column;
disposing the riser above the attachment column and having the attachment column support the riser.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The invention is further described with reference to the following figures and examples, in which:
FIG. 1 is a schematic view of a lift frame according to an embodiment of the present invention;
FIG. 2 is a top view of a lift frame according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a partial structure of a translation node according to an embodiment of the present invention;
fig. 4 is a schematic cross-sectional view of a transition node in the embodiment of fig. 3.
Reference numerals:
Detailed Description
Reference will now be made in detail to 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 accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, several meanings are more than one, and a plurality of meanings are more than two, and are greater than, less than, more than, etc., these should be understood as not including the number, if there are descriptions of the first and second for the purpose of distinguishing technical features, but not as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the precedence of the indicated technical features.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
In the description of the present invention, reference to the description of "one embodiment," "some embodiments," or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Referring to fig. 1, the hoist frame according to the embodiment of the present invention is applied to construction of a steel structure having a structure of a web member 10, a steel beam, a concrete member, and the like.
Referring to fig. 1 and 2, in an embodiment of the present invention, a lifting frame is provided, which includes a plurality of lifters 100, a conversion node 200, and a frame body 300. The hoist 100 is used to hoist a steel structure to be constructed. The conversion node 200 includes a plurality of connection columns 210, the connection columns 210 being connected to the hoist 100, the connection columns 210 being located above the web members 10 of the steel structure, the web members 10 being capable of supporting the connection columns 210. The frame body 300 includes a plurality of support columns 310, the top ends of the support columns 310 are located below the web members 10, the support columns 310 are used for supporting the web members 10, and the frame body 300 is used for being connected with steel beams or concrete members of a steel structure.
The hoist 100 is a device capable of lifting a load in a vertical direction, and is, for example, a rope lifting mechanism of various types driven by a hydraulic cylinder. The support column 310 is connected to the web member 10, or the support column 310 abuts against the web member 10, so that the support column 310 can provide a supporting force to the web member 10. Similarly, the web member 10 is connected to the connecting column 210, or the web member 10 abuts against the connecting column 210, so that the web member 10 can support the connecting column 210. The connecting column 210 is connected between the lifter 100 and the web member 10, and can transmit the vertical pressure of the lifter 100 to the web member 10. The support columns 310 in the frame 300 can support the web members 10 and transmit pressure to steel beams or concrete members of the steel structure, so that pressure when the hoist 100 is lifted is transferred to the steel structure.
The column top area rod pieces in the steel structure are dense, the operation space is small, and a temporary support with large measure quantity cannot be built. The lifting frame in the embodiment of the invention can utilize the web member 10 in the existing steel structure as a pressure transmission conversion point, the measure quantity in the dense area of the member bar is small, and the convenience of construction is improved.
The number of boosters 100 and the number of conversion nodes 200 may be one or more. The greater the number of lifters 100, the greater the lift frame can lift a load. The more the number of the connecting columns 210 is, the more the stress points of the web members 10 in the steel structure are, the more the number of the connecting columns 210 is increased, and the stress of a single web member 10 can be reduced to prevent the web members 10 from deforming.
Referring to fig. 3, in some embodiments of the present invention, the conversion node 200 further includes a stiffening pipe 220, the stiffening pipe 220 is sleeved on the web member 10, and the stiffening pipe 220 is located between the connection column 210 and the support column 310. The web member 10 directly supports the connecting column 210, the chord 231 is bent or broken due to the overlarge pressure of the lifter 100, and the stiffening tube 220 is sleeved outside the web member 10 to enable the pressure of the lifter 100 to act on the stiffening tube 220, so that the stress borne by the web member 10 is reduced, the deformation of the web member is prevented, and the safety of the lifting frame structure is improved.
Referring to fig. 3 and 4, in some embodiments of the present invention, the stiffening tube 220 includes a first sleeve 221 and a second sleeve 222, the first sleeve 221 is connected to the connecting column 210, the second sleeve 222 is connected to the supporting column 310, and the first sleeve 221 and the second sleeve 222 are tightly attached. The cross section of the first sleeve 221 and the cross section of the second sleeve 222 are circular arc-shaped, and after the contact surface of the first sleeve 221 and the second sleeve 222 is ground flat, the first sleeve 221 and the second sleeve 222 can be tightly abutted to form the stiffening pipe 220. In some embodiments of the present invention, the cross-sections of the first casing 221 and the second casing 222 are the same and semicircular, which is convenient for manufacturing, and can prevent the chord of the cross-section of the first casing 221 or the second casing 222 from being too small, thereby improving the stability of the stiffening pipe 220. The rod pieces in the column top area are dense, the operation space is small, and the operation is not suitable for manual welding, bolt screwing and other operations. Through the vertical pressure of the lifter 100, the first sleeve 221 and the second sleeve 222 can be tightly sleeved on the web member 10, operations such as welding and bolt screwing are not needed, and the lifting frame is convenient to detach after being used.
In addition, since the cross section of the first sleeve 221 and the cross section of the second sleeve 222 are circular arc-shaped, the first sleeve 221 and the second sleeve 222 which are sleeved on the web member 10 and are tightly pushed can be limited by the web member 10 in the left-right direction, and cannot move left and right, so that the safety is good. The connection mode of the first sleeve 221 and the connection column 210 and the connection mode of the second sleeve 222 and the support column 310 can be welding, screwing and the like.
Referring to fig. 4, in some embodiments of the present invention, the top end of the supporting column 310 is a circular arc surface, and the top end of the supporting column 310 is attached to the surface of the stiffening tube 220, so as to prevent a gap from occurring between the connection between the supporting column 310 and the stiffening tube 220, so that the pressure on the stiffening tube 220 is uniformly transmitted to the supporting column 310, and the safety of the lifting frame is improved.
Referring to fig. 4, in some embodiments of the present invention, the bottom end of the connecting column 210 is a circular arc surface, and the bottom end of the connecting column 210 is attached to the surface of the stiffening tube 220, so as to prevent a gap from occurring between the connecting column 210 and the stiffening tube 220, so that the pressure on the connecting column 210 is uniformly transmitted to the stiffening tube 220, and the safety of the hoisting frame is improved.
Referring to fig. 1 and 2, in some embodiments of the present invention, the conversion node 200 further includes a conversion beam 230 and a plurality of support beams 240, the conversion beam 230 is connected to the top end of the connection column 210, the support beams 240 are connected to the conversion beam 230, the support beams 240 are located above the conversion beam 230, and the support beams 240 are connected to the hoist 100. The pressure of the lifter 100 is transmitted to the transfer beam 230 through the support beam 240 and then transmitted to the connection column 210 through the transfer beam 230, so that the pressure is reasonably distributed on the connection column 210 in the transfer node 200, and the connection column 210 is prevented from being bent due to stress concentration.
Referring to fig. 1 and 2, in some embodiments of the invention, four chords 231 are connected end to end with each other and enclose to form a transfer beam 230, two of the four chords 231 are parallel to each other, and the other two chords 231 of the four chords 231 are parallel to each other. The four chords 231 of the transfer beam 230 form a parallelogram structure, which is simple in structure and has a good bearing structure.
Referring to fig. 1 and 2, in some embodiments of the present invention, an extending direction of the supporting beam 240 is parallel to an extending direction of any one of the four chords 231, so that the pressure of the lifter 100 can be transmitted to the chords 231 of the transfer beam 230 along the extending direction of the chords 231, and the chords 231 are prevented from being deformed due to stress distribution concentration.
Referring to fig. 1, in some embodiments of the present invention, the rack body 300 further includes a plurality of structural bars 320, one end of the structural bar 320 is connected to the support column 310, and the other end of the structural bar 320 is used to connect to a steel structure. For example, the structural rod 320 may be connected to the structural column 20 of a steel structure, or may be connected to a structure such as a steel beam or a rod of a steel structure. The structural rod 320 is connected between the frame body 300 and the structural column 20 in the steel structure, so that the lifting frame is more stable, and the safety of the lifting frame is improved.
In some embodiments of the present invention, one end of the structural bar 320 is threadedly coupled to the support post 310. The threaded connection has the detachable characteristic, and the structure rod 320 is in threaded connection with the supporting column 310, so that the supporting column 310 and the structure rod 320 can be detached and can be recycled, and the economy of the lifting frame is improved. The structural rod 320 and the supporting column 310 may be connected by a screw, a bolt, or the like.
Referring to fig. 1, an embodiment of the present invention provides a hoisting frame construction method, including:
preparing a lifting frame as in any of the above embodiments;
arranging the frame body 300 below a plurality of web members 10 of a steel structure, so that the frame body 300 is connected to the steel structure, and the support columns 310 in the frame body are supported on the web members 10;
arranging the connecting column 210 above the plurality of web members 10 and enabling the web members 10 to support the connecting column 210;
the lifter 100 is disposed above the connection column 210 such that the connection column 210 supports the lifter 100.
Wherein, the support columns 310 of the frame body 300 may be connected to the structural columns 20 of the original steel structure, steel beams, or concrete members to stably support the entire hoist frame. The support columns 310 may be connected with structural columns 20 of steel structure, steel beams, or concrete members by structural rods 320. The supporting column 310 may be connected to the web member 10 by welding, screwing, or the like, or may support the web member 10 by abutting against the supporting column. Similarly, the web member 10 may be connected to the connecting column 210 by welding, screwing, or the like, or may be supported by the connecting column 210 by abutting against the connecting column.
The hoist 100 is a device for lifting a steel structure to be constructed, and the hoist 100 may be various kinds of rope elevating mechanisms driven by a hydraulic cylinder. The riser 100 may be connected above the connecting column 210 by welding, screwing, etc. to ensure the stability and safety of the riser 100. A transfer beam 230 and a support beam 240 may be added between the hoist 100 and the connecting column 210 to prevent the connecting column 210 from bending due to excessive pressure of the hoist 100.
The construction method of the lifting frame in the embodiment of the invention is suitable for the column top area in a steel structure. The bars in the column top area are dense, and a temporary structure lifting frame with large measure quantity cannot be built. According to the construction method of the lifting frame in the embodiment of the invention, the frame body 300 is arranged below the web member 10 of the original steel structure, the connecting column 210 and the lifter 100 are arranged above the web member 10, so that the web member 10 in the original steel structure is used as a pressure transmission conversion point, the pressure of the lifter 100 is transmitted to the original steel structure through the frame body 300, the measure amount of the lifting frame is effectively reduced, the installation of the rod piece of the original steel structure is not influenced, and the convenience of construction can be effectively improved.
The method of constructing a lifting frame in some embodiments of the invention further comprises placing a stiffening tube 220 around the web member 10. The web member 10 of the original steel structure can bear a limited pressure, and the web member 10 may be bent or even broken due to an excessive pressure of the lifter 100. The stiffening tube 220 is sleeved outside the web member 10 to increase the bearing capacity of the web member 10 and prevent the web member 10 from being bent. The stiffening tubes 220 may be connected to the support columns 310 and the connecting columns 210 by welding. The web member 10 is on original steel construction, can't dismantle, and stiffening tube 220 cover can be divided into two parts through the split, adopts to close the mode cover that connects to establish on the web member 10. Specifically, referring to fig. 3 and 4, the stiffening tube 220 includes a first sleeve 221 and a second sleeve 222, the first sleeve 221 is connected to the connecting column 210, the second sleeve 222 is connected to the supporting column 310, and the first sleeve 221 and the second sleeve 222 may be coupled to the stiffening tube 220 outside the web member 10. The first bushing 221 and the second bushing 222 may be abutted by welding, screwing, or friction fit. The regional member of capital is intensive, and operating space is little, is unfavorable for carrying on operations such as welding, wrong bolt, adopts to grind the tight cooperation in flat top and more conveniently constructs, can promote the efficiency of construction.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention. Furthermore, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.
Claims (10)
1. The hoisting frame is applicable to the steel construction that has web member, girder steel and concrete member, and its characterized in that includes:
the lifters are used for lifting a steel structure to be constructed;
a transition node comprising a plurality of connecting columns connected with the risers, the connecting columns for being disposed above the web members, the connecting columns being supportable by the web members;
the support body, the support body includes a plurality of support columns, the top of support column is located the web member below, the support column is used for supporting the web member, the support body be used for with the girder steel or the concrete member is connected.
2. The hoist frame of claim 1, wherein the transition node further comprises a stiffening tube sleeved on the web member, the stiffening tube being located between the connecting column and the support column.
3. The hoisting frame according to claim 2, wherein the stiffening tube comprises a first sleeve and a second sleeve, the first sleeve is connected with the connecting column, the second sleeve is connected with the supporting column, and the first sleeve is tightly attached to the second sleeve.
4. The hoisting frame according to claim 2, wherein the top end of the supporting column is a circular arc surface, and the top end of the supporting column is attached to the surface of the stiffening pipe.
5. The hoisting frame according to claim 2, wherein the bottom end of the connecting column is a circular arc surface, and the bottom end of the connecting column is attached to the surface of the stiffening tube.
6. A hoist frame according to claim 1, characterized in that the conversion node further comprises a conversion beam connected to the top end of the connection column and a number of support beams connected to the conversion beam, which support beams are located above the conversion beam and which support beams are connected to the hoist.
7. A hoisting frame as claimed in claim 6, characterized in that four chords enclose the transfer beam, two of the four chords being parallel to each other and the other two chords of the four chords being parallel to each other.
8. A hoisting frame as claimed in claim 7, characterized in that the support beam extends in a direction parallel to the direction of extension of any of the four chords.
9. The hoisting frame construction method is characterized by comprising the following steps:
preparing a hoisting frame according to any one of claims 1 to 8;
arranging the frame body below a plurality of web members of a steel structure, connecting the frame body on the steel structure, and supporting the supporting columns in the frame body on the web members;
arranging the connecting column above a plurality of web members and enabling the web members to support the connecting column;
disposing the riser above the attachment column and having the attachment column support the riser.
10. The method of constructing a hoisting frame of claim 9, wherein a stiffening pipe is installed around the web member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110546912.9A CN113336124B (en) | 2021-05-19 | 2021-05-19 | Lifting frame and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110546912.9A CN113336124B (en) | 2021-05-19 | 2021-05-19 | Lifting frame and construction method thereof |
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| Publication Number | Publication Date |
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| CN113336124A true CN113336124A (en) | 2021-09-03 |
| CN113336124B CN113336124B (en) | 2023-01-10 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410272A (en) * | 2013-08-28 | 2013-11-27 | 南通建筑工程总承包有限公司 | Fixing point lifting device of lower chord of pipe truss structure |
| CN104265002A (en) * | 2014-08-27 | 2015-01-07 | 浙江精工钢结构集团有限公司 | Hoisting frame design application method of continuous truss column top hinging structure |
| CN210032673U (en) * | 2019-02-16 | 2020-02-07 | 中建一局集团第一建筑有限公司 | Lifting support device fixed on concrete structure and truss lower chord |
| CN211143695U (en) * | 2019-11-20 | 2020-07-31 | 广州五羊建设机械有限公司 | Operating platform for assisting assembly type tower crane in dismounting |
-
2021
- 2021-05-19 CN CN202110546912.9A patent/CN113336124B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410272A (en) * | 2013-08-28 | 2013-11-27 | 南通建筑工程总承包有限公司 | Fixing point lifting device of lower chord of pipe truss structure |
| CN104265002A (en) * | 2014-08-27 | 2015-01-07 | 浙江精工钢结构集团有限公司 | Hoisting frame design application method of continuous truss column top hinging structure |
| CN210032673U (en) * | 2019-02-16 | 2020-02-07 | 中建一局集团第一建筑有限公司 | Lifting support device fixed on concrete structure and truss lower chord |
| CN211143695U (en) * | 2019-11-20 | 2020-07-31 | 广州五羊建设机械有限公司 | Operating platform for assisting assembly type tower crane in dismounting |
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| CN113336124B (en) | 2023-01-10 |
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