CN209602010U - Integral lifting system for bearing truss structure on upper part of foundation - Google Patents

Abstract

An integrated lifting system for a load-bearing truss structure of an upper portion of a foundation includes at least a pair of lifting brackets and a lifting device connected to the lifting brackets; each pair of lifting brackets is correspondingly arranged on the truss joint; a middle support is correspondingly arranged at the position corresponding to the truss to be lifted on the foundation; connecting rods are connected between the cross rods or the vertical rods of the adjacent lifting supports, and two end parts of the truss to be lifted are lapped on two sides of the foundation and are provided with end supports. The utility model can set the length of the lifting lug of the truss to be lifted by arranging the cross rod of the bracket to be lifted, so that the lifting device is more suitable for the construction of the truss to be lifted; the lifting devices are arranged at the upright posts, so that the truss to be lifted is stressed uniformly and kept balanced in the lifting process, and the integrity among the lifting brackets can be enhanced by the design of the connecting rods among the lifting brackets; the arrangement of the middle support and the end support at the bottom of the truss to be lifted can be pertinently adapted to the basic form with the height difference.

Description

A kind of Integral lifting system for basic top truss principal structure

Technical field

The utility model belongs to truss hanging device field, in particular to a kind of for basic top truss principal structure Integral lifting system.

Background technique

Since truss structure has the characteristics that structure is light, spatial extent is big and bearing capacity is high, it is widely used in building In structure, the effect of material both can be sufficiently given full play to, construction material can also be saved, mitigates building structure weight itself. In truss construction, assembled and handling is the important link of construction, and previous mostly uses crane or tower crane to be installed or transported It is defeated, if but area is small on construction ground, it is unfavorable for site operation using handling appliance, and since handling appliance takes up a large area It often will affect the construction of other processes；Also by the promotion for carrying out single truss structure from lifting device, first is that being mentioned in promotion Rising device cannot be adjusted with the position of truss suspension centre, second is that since single Pin lifting top splicing increases the difficulty of construction Degree, and in reply, there are the base forms of difference in height, it is also contemplated that different support constructions is set according to height of foundation difference, Therefore need to provide a kind of promotion system of whole truss that suspension centre is adjusted for basic top.

Utility model content

The utility model proposes a kind of Integral lifting systems for basic top truss principal structure, to solve The above problem, specific technical solution are as follows:

A kind of Integral lifting system for basic top truss principal structure includes at least a pair of of lifting bracket and company Connect the lifting device on lifting bracket；Each pair of lifting bracket is correspondingly arranged at the Truss joint on two heel post of truss to be hoisted On；The lifting device is correspondingly connected with by the lifting lug of lifting rope and truss to be hoisted；On the basis of correspond to the position of truss to be hoisted It is correspondingly provided with midfoot support.

The Truss joint includes at least one group of horizon bar, and the horizon bar is connected with perpendicular to column, horizon bar top Lifting bracket.

The lifting bracket includes the brace between cross bar and cross bar vertical bar connected vertically and cross bar and horizon bar；Institute It states cross bar and is parallel to horizon bar, and cross bar adapts to the lifting lug position of truss to be hoisted and on cross bar top beyond the length of horizon bar Lifting device is installed.

Connecting rod is connected between the cross bar or vertical bar of the neighbouring raise bracket.

The basis two sides are high, intermediate low, and the truss to be hoisted is located at right above basis, and truss both ends to be hoisted are taken It connects in basic two sides and is provided with end support.

The end support includes one group of upper horizontal brace being parallel to each other on vertical and lower horizontal brace and upper horizontal brace With the vertical support between lower horizontal brace；The upper horizontal brace section form adapts to support truss end rod piece to be hoisted.

The midfoot support include under the lower horizontal brace of one group of spaced and parallel distribution, middle part horizontal brace it is vertical parallel upper It is connected between horizontal brace and upper horizontal brace under vertical support and end under horizontal brace, upper horizontal brace and middle part between horizontal brace oblique Support.

The upper horizontal brace section form adapts to support truss bottom rod piece to be hoisted, and the vertical support height is greater than basis The difference in height of two sides and foundation bottom, the lower horizontal brace are all connected on bottom plate, and the bottom plate is pre-buried or is removably connected to Foundation bottom.

The utility model has the following beneficial effects:

The utility model is arranged by the cross bar of lifting bracket, can carry out length tune for the lifting lug of truss to be hoisted It is whole, thereby determine that the position of lifting device, so that lifting device more adapts to the construction of truss to be hoisted, and lifting bracket may be used also Necessary hoisting depth is provided to lifting device, is easy to the splicing of truss and Truss joint to be hoisted；By being all provided at column Lifting device is set, may make truss to be hoisted uniform force, holding balance in lifting process, in addition connecting rod between lifting bracket Design, can be enhanced the globality between lifting bracket；It, can in the setting that the midfoot support of truss bottom to be hoisted and end support Targetedly to adapt to the base form of difference in height, and the setting of diagonal brace facilitates the bearing of midfoot support on midfoot support Stress, the setting of bottom plate help to diffuse to top stress in foundation bottom, and then increase the stress performance of midfoot support.This Supporting support, midfoot support in utility model and end support are to be detachably connected and can be prefabricated, have effectively saved and have applied Between working hour, construction efficiency is improved.

Detailed description of the invention

Fig. 1 is that basic top truss promotes system work progress figure；

Fig. 2 is basic top truss assembling construction procedure chart；

Fig. 3 is the pre-buried Truss joint lifting construction procedure chart in basic top；

Fig. 4 is lifting bracket structure chart；

Fig. 5 is midfoot support structure chart；

Fig. 6 is end support structure figure；

Fig. 7 is lifting bracket distribution map；

Fig. 8 is the comprehensive cloth point diagram of lifting device.

Appended drawing reference: 1- truss to be hoisted；The basis 2-；The support of the end 3-；4- column；5- Truss joint；6- lifting bracket； 7- lifting device；8- lifting rope；9- midfoot support；10- cross bar；11- vertical bar；12- brace；The upper horizontal brace of 13-；14- is vertically supportted； Horizontal brace under 15-；16- bottom plate；17- diagonal brace；18- connecting rod；19- pumping source.

Specific embodiment

As shown in Figure 1 to Figure 3, a kind of Integral lifting system for basic top truss principal structure includes at least one To lifting bracket 6 and the lifting device being connected on lifting bracket 67；Each pair of lifting bracket 6 is correspondingly arranged at truss to be hoisted On Truss joint 5 on 1 liang of heel post 4；The lifting device 7 is correspondingly connected with by lifting rope 8 and the lifting lug of truss 1 to be hoisted； The position that truss 1 to be hoisted is corresponded on basis 2 is correspondingly provided with midfoot support 9；Basic 2 two sides are high, intermediate low, described wait mention It rises truss to be located at right above basis 2, truss both ends to be hoisted are overlapped on basic 2 two sides and are provided with end support 3；The purlin Holder joint 5 includes each rod piece connector of truss to be hoisted 1 reserved between parallel up and down horizon bar and horizon bar, and the horizon bar hangs down Directly in column 4, horizon bar top is connected with lifting bracket 6.

As shown in figure 4, the lifting bracket 6 includes a cross bar 10 and 10 connected vertically vertical bars 11 of cross bar, with And two braces 12 between cross bar 10 and horizon bar；The brace 12 is located at 11 two sides of vertical bar and is arranged in parallel, with cross tube 10, Vertical bar 11 and brace 12 have channel steel or I-steel to make and weld, and wherein the upper surface width of cross bar 10 adapts to lifting device 7, Deep floor can be arranged between the two to be limited and fixed, the cross bar 10 is parallel to horizon bar and bolt or latch closure connect, And cross bar 10 adapts to the lifting lug position of truss to be hoisted beyond the length of horizon bar.

As shown in figure 5, the midfoot support 9 includes the lower horizontal brace 15 of one group of spaced and parallel distribution, the lower horizontal branch There are three supports, is made of channel steel, and recess is upward；The vertical parallel upper horizontal brace 13 of horizontal brace 15, upper horizontal brace 13 under middle part And the diagonal brace 17 welded between horizontal brace 15 and upper horizontal brace 13 under 14 and end is vertically supportted between horizontal brace 15 under middle part；It is described Upper horizontal brace 13 is made of channel steel, and recess is upward, and notching dimension form adapts to support truss bottom rod piece to be hoisted, described oblique Support 17 is made of steel pipe；14 height of the vertical support are greater than the difference in height of basic 2 two sides and basic 2 bottoms, under described three Horizontal brace 15 is spaced and parallel to be connected on bottom plate 16, and bottom plate 16 is square plate, and the bottom plate 16 is pre-buried or is detachably connected In basic 2 bottoms.

As shown in fig. 6, the end support 3 is comprising horizontal brace 13 in one group of a pair being parallel to each other on vertical and is lauched Support two intervals between 15 and upper horizontal brace 13 and lower horizontal brace 15 and parallel vertical support 14；Wherein upper horizontal brace 13, Lower horizontal brace 15 and vertical support 14 are welded by channel steel；The upper horizontal brace 13 is made of channel steel, and recess is upward, recessed Mouth dimensional form adapts to support truss end rod piece to be hoisted.

As shown in Figure 7 and Figure 8, basic 2 two sides are intervally distributed with column 4, are embedded with Truss joint 5, truss on pillar Lifting bracket 6 and lifting device 7 are installed, wherein connecting between the cross bar 10 or vertical bar 11 of the neighbouring raise bracket 6 on connector 5 There is connecting rod 18；The lifting device 7 is hydraulic rockshaft, is the same hydraulic pump source 19, two heel posts in same heel post 4 4 two power pumping sources 19 pass through the same automation control of signal wire, so that in truss 1 to be hoisted when integrally being promoted, everywhere Stress is more balanced and stablizes.

In conjunction with Fig. 1 to Fig. 8, further illustrate that basic top truss promotes the work progress of system, the specific steps are as follows:

Step 1: installing midfoot support 9 and end support 3, simultaneously respectively according to design point in bottom of foundation ditch and two sides The pre-buried Truss joint 5 on column 4；

Step 2: installing lifting bracket 6 and lifting device 7 on Truss joint 5, wherein neighbouring raise bracket 6 is in side The installing connecting rods 18 of column 4 simultaneously will be connected to same pumping source 19, then two sides pumping source 19 is connected together by signal wire；

Step 3: assembled truss 1 to be hoisted, and truss 1 to be hoisted is mounted on midfoot support 9 and end support 3, and It according to promotion needs that lifting lug is installed on 1 upper pole segments of truss to be hoisted；

Step 4: installing lifting rope 8 on lifting device 7, the other end is bolted on the lifting lug of truss 1 to be hoisted, is then opened Dynamic pumping source 19 carries out whole promotion, to be hoisted to stop being promoted at Truss joint 5, and by truss 1 to be hoisted and Truss joint 5 are spliced, and the promotion for thus completing truss 1 to be hoisted is assembled.

Obviously, above-described embodiment is only intended to clearly illustrate made by the outstanding feature of the utility model and illustrates, and is not It is the restriction to the utility model embodiment；For those skilled in the art, basis is used above explained On can still make other variations or changes in different ways, if not carrying out inventive improvements to it, belong to the utility model Protection scope.

Claims (8)

1. a kind of Integral lifting system for basic top truss principal structure, it is characterised in that: promoted comprising at least a pair of Bracket (6) and the lifting device (7) being connected on lifting bracket (6)；Each pair of lifting bracket (6) is correspondingly arranged at purlin to be hoisted On Truss joint (5) on (1) two heel post (4) of frame；The lifting device (7) passes through lifting rope (8) and truss to be hoisted (1) Lifting lug is correspondingly connected with；The position that truss to be hoisted (1) is corresponded on basic (2) is correspondingly provided with midfoot support (9).

2. a kind of Integral lifting system for basic top truss principal structure according to claim 1, feature exist In: the Truss joint (5) includes at least one group of horizon bar, and the horizon bar is connected with perpendicular to column (4), horizon bar top Lifting bracket (6).

3. a kind of Integral lifting system for basic top truss principal structure according to claim 2, feature exist In: the lifting bracket (6) includes cross bar (10) and cross bar (10) vertical bar connected vertically (11) and cross bar (10) and level Brace (12) between bar；The cross bar (10) is parallel to horizon bar, and length adaptation of the cross bar (10) beyond horizon bar is to be hoisted The lifting lug position of truss (1) and cross bar (10) top install lifting device (7).

4. a kind of Integral lifting system for basic top truss principal structure according to claim 3, feature exist In: connecting rod (18) are connected between the cross bar (10) or vertical bar (11) of the neighbouring raise bracket (6).

5. a kind of Integral lifting system for basic top truss principal structure according to claim 1, feature exist In: described basis (2) two sides are high, intermediate low, and the truss (1) to be hoisted is located at right above basic (2), truss (1) to be hoisted Both ends are overlapped on basic (2) two sides and are provided with end support (3).

6. a kind of Integral lifting system for basic top truss principal structure according to claim 5, feature exist In: end support (3) include one group of upper horizontal brace (13) being parallel to each other on vertical and lower horizontal brace (15) and on Vertical support (14) between horizontal brace (13) and lower horizontal brace (15)；It is to be hoisted that upper horizontal brace (13) section form adapts to support Truss (1) end bar members.

7. a kind of Integral lifting system for basic top truss principal structure according to claim 1, feature exist In: horizontal brace (15) is vertical flat under lower horizontal brace (15) of the midfoot support (9) comprising one group of spaced and parallel distribution, middle part Horizontal brace under vertical support (14) and end under capable upper horizontal brace (13), upper horizontal brace (13) and middle part between horizontal brace (15) (15) diagonal brace (17) connected between upper horizontal brace (13).

8. a kind of Integral lifting system for basic top truss principal structure according to claim 6 or 7, feature Be: upper horizontal brace (13) section form adapts to support truss to be hoisted (1) bottom rod piece, vertical support (14) height Greater than the difference in height of basic (2) two sides and basic (2) bottom, the lower horizontal brace (15) is all connected on bottom plate (16), described Bottom plate (16) is pre-buried or is removably connected to basic (2) bottom.