CN217325044U - Cast-in-place crossbeam bracket of reassembling type - Google Patents

Abstract

The utility model provides a cast-in-place crossbeam bracket of reassembling type for the engineering roof beam on the pier shaft that the installation is located two sets of relative settings, is big-end-up's double-deck bracket including tractive spare, support piece and structure, the top link of double-deck bracket through with tractive spare pin joint with the pier shaft is fixed, the below link of double-deck bracket passes through support piece's bearing and pier shaft is fixed. By adopting the technical scheme, constructors do not need to set up a cast-in-place beam bracket at high altitude, so that the safety risk of operation is reduced; meanwhile, the cast-in-place beam bracket can be directly hoisted in place, so that the interference of the main beams to the installation of the cast-in-place beam bracket is reduced.

Description

Cast-in-place crossbeam bracket of reassembling type

[ technical field ] A method for producing a semiconductor device

The utility model relates to a technical field of bridge construction especially relates to a cast-in-place crossbeam bracket of reassembling type.

[ background of the invention ]

In the construction of bridge structures such as a mixed beam cable-stayed bridge and the like, because of structural stress and the requirement of side span weight, a post-pouring beam is designed on a side span pier top main beam, in the past, the construction of the post-pouring beam mostly adopts floor steel pipe support construction, namely, the side span main beam is constructed to a corresponding beam section, a post-pouring beam support is erected after the construction of the rest pier body is completed, post-pouring beam steel bars are bound on the post-pouring beam support, a post-pouring beam template is installed, and partial concrete of the post-pouring beam is poured.

However, according to the scheme, the post-cast beam support can be erected only after the main beam construction passes through the side span pier body and the pier body construction is completed, the space between the main beams is limited, the erection construction of the post-cast beam support is difficult, and the construction efficiency is low; meanwhile, post-cast beam supports need to be erected at high altitude, and operation safety risks are high.

[ Utility model ] content

Aiming at the defects in the prior art, the application aims to provide the detachable cast-in-place beam bracket, so that a constructor does not need to set up the cast-in-place beam bracket at high altitude, and the safety risk of operation is reduced; meanwhile, the cast-in-place beam bracket can be directly hoisted in place, so that the interference of the main beams on the installation of the cast-in-place beam bracket is reduced.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a cast-in-place crossbeam bracket of reassembling type for the engineering roof beam on the pier shaft that the installation is located two sets of relative settings, is big-end-up's double-deck bracket including tractive spare, support piece and structure, the top link of double-deck bracket through with tractive spare pin joint with the pier shaft is fixed, the below link of double-deck bracket passes through support piece's bearing with the pier shaft is fixed.

The utility model discloses further set up to: the supporting piece and the traction piece are fixed on the pier body through the embedded creeping cone respectively.

The utility model discloses further set up to: the support piece is including supporting bracket and limiting plate, the bottom of limiting plate is fixed in respectively support the both sides of bracket, the limiting plate respectively with the periphery of below link is laminated mutually and is set up.

The utility model discloses further set up to: the double-layer bracket sequentially comprises a truss, a falling frame wedge block and a bearing beam from bottom to top, the upper connecting end and the lower connecting end are respectively arranged on the truss, and the upper connecting end is provided with a connecting lug plate matched with a traction piece.

The utility model discloses further set up to: a stainless steel plate and a sliding plate are arranged between the truss and the falling frame wedge block, and the sliding plate is located on the upper surface of the stainless steel plate.

The utility model discloses further set up to: the bearing beam is arranged above the falling frame wedge block, the axis direction of the bearing beam and the longitudinal direction of the truss are vertically arranged, two ends of the bearing beam respectively extend out from the upper part of the truss along the longitudinal bridge direction, and the horizontal height of the bottom end of the bearing beam is equal to or greater than the height of the pier body.

The utility model discloses further set up to: first operation platforms are set up at the both ends of spandrel girder, and two sets of one side that first operation platform kept away from each other is provided with safety barrier respectively.

The utility model discloses further set up to: and the lower edge of the truss extends out of a second operation platform in the two directions along the longitudinal bridge and is communicated with the first operation platform on the same side through the ladder stand.

The utility model discloses further set up to: a plurality of distribution beams are arranged above the bearing beam, the distribution beams are vertically arranged with the bearing beam, and the upper parts of the distribution beams are abutted against the pouring template.

Compared with the prior art, the utility model discloses possess following advantage:

through the traction piece and the support piece arranged between the pier bodies, the double-layer bracket can be directly installed at a preset position between the pier bodies, the bracket does not need to be bulk-assembled at an overhead position between the pier bodies, and a constructor does not need to set up a cast-in-place beam bracket at an overhead position, so that the safety risk of operation is reduced, later-stage disassembly is facilitated, and the installation efficiency of the bracket is improved; meanwhile, the cast-in-place beam bracket can be directly hoisted in place, so that the interference of the main beams to the installation of the cast-in-place beam bracket is reduced.

[ description of the drawings ]

FIG. 1 is a schematic view of the double deck bracket of the present embodiment;

FIG. 2 is a side view of the double-deck carrier of the present embodiment;

FIG. 3 is a schematic structural diagram of the supporting member of the present embodiment;

fig. 4 is a schematic structural view of the pulling member of the present embodiment.

Reference numerals are as follows: 1. a pier body; 2. a pulling member; 21. a first vertical component embedding plate; 22. pulling the ear plate; 23. a first stiffening lug plate; 3. a support member; 31. a second vertical embedded plate; 32. a transverse steel plate; 33. a vertical steel plate; 34. connecting steel plates; 4. a truss; 5. a frame falling wedge block; 6. a spandrel girder; 7. a distribution beam; 8. a first work platform; 81. safety guardrails.

[ detailed description ] embodiments

The present invention is further described with reference to the drawings and the exemplary embodiments, wherein like reference numerals are used to refer to like elements throughout. In addition, if a detailed description of the known art is not necessary to show the features of the present invention, it is omitted.

As shown in fig. 1 and 2, the utility model discloses a cast-in-place crossbeam bracket of reassembling type for the installation is located the engineering roof beam on the pier shaft 1 of two sets of relative settings, be big-end-up's double-deck bracket including tractive piece 2, support piece 3 and structure, the top link of double-deck bracket is fixed with pier shaft 1 through being connected with tractive piece 2 pin joints, and the below link of double-deck bracket passes through support piece 3's bearing and pier shaft 1 is fixed. The prefabricated double-layer bracket is hoisted and positioned between the two oppositely arranged pier bodies 1, so that a cast-in-place beam bracket does not need to be erected by a constructor in high altitude, and the safety risk of operation is reduced; meanwhile, the cast-in-place beam bracket can be directly hoisted in place, so that the interference of the main beams on the installation of the cast-in-place beam bracket is reduced.

Alternatively, as shown in fig. 3 and 4, the supporting member 3 and the pulling member 2 are fixed on the pier body 1 by pre-embedded climbing cones, respectively. In some embodiments, the embedded creeping cones can be embedded in two opposite sides of the pier body 1 before the pier body 1 is poured, and a plurality of embedded creeping cones are embedded in a first position and a second position of each side of the pier body 1, wherein the first position can be located right below the second position; when the reinforcing bar of building pier shaft 1, can carry out accurate location with pre-buried awl of climbing, and can set up reinforcing bar net piece in the pre-buried anchor slab front and back position of climbing the awl tail end to after the concrete of pouring pier shaft 1, reinforcing bar net piece can contact with more concrete, when pre-buried awl of climbing receives outside pulling force, reinforcing bar net piece can be pulled more concrete and come together atress, prevents that too big pulling force from pulling concrete and splits.

Optionally, the traction piece 2 can be connected and fixed with the embedded creeping cone at the first position through a bolt during installation, so that the traction piece 2 is connected and fixed with the pier body 1. Specifically, the pulling part 2 comprises a first vertical embedded part plate 21 and a pulling ear plate 22, the first vertical embedded part plate 21 is vertically fixed on one side surface of the pier body 1, the thickness of the first vertical embedded part plate is 20mm, the pulling ear plate 22 is fixed on the outer surface of the first vertical embedded part plate 21, the pulling ear plate 22 is connected with the connecting ear plate through a pin, and the pulling ear plate 22 is fixedly welded with a plurality of first reinforcing stiffening plates, so that the tensile capacity of the pulling part 2 is improved.

Optionally, when the supporting member 3 is installed, the supporting member 3 may be connected and fixed with the embedded creeping cone at the first position by bolts, so as to connect and fix the supporting member 3 and the pier body 1, in this embodiment, the bolts are preferably high-strength bolts; the supporting piece 3 comprises a supporting bracket and a limiting plate, the supporting bracket can be a steel plate welding component, the position of an opening corresponds to the position of the embedded climbing cone, and the size of the opening is preferably 3-4 mm larger than the diameter of the embedded climbing cone; the steel plate is perforated in a processing plant, and the perforating mode is preferably hole milling; the welding of the plates can be carried out in a factory, and the welding quality is ensured.

Specifically, the support bracket further comprises a second vertical embedded plate 31, a transverse steel plate 32, a vertical steel plate 33 and a connecting steel plate 34, wherein the second vertical embedded plate 31 is vertically fixed on one side surface of the pier body 1, and the thickness of the second vertical embedded plate is 20 mm; two sets of horizontal steel sheet 32 of arranging about are fixed in the both ends of vertical piece board side respectively, and two sets of vertical steel sheet 33 intervals are fixed in between two horizontal steel sheet 32 to can bury a board 31 fixed connection with the second is vertical, and vertical steel sheet 33's upper and lower face welds with two sets of horizontal steel sheet 32 respectively promptly, and the side of vertical steel sheet 33 and the vertical surface welding who buries a board 31 of second can strengthen the steadiness of supporting the bracket. The connecting steel plate 34 is arranged between the transverse steel plate 32 and the vertical steel plate 33, and is welded on the inner sides of the two vertical steel plates 33, the top end of the connecting steel plate 34 is connected with the transverse steel plate 32, and is arranged in parallel with the second vertical embedded plate 31, so that the stability of the support bracket can be further improved.

Optionally, the bottom of limiting plate is fixed in the both sides of supporting the bracket respectively, and the limiting plate is laminated the setting with the periphery of below link respectively mutually, and the limiting plate adopts 300X 200X 10 mm's steel sheet to make, and the lengthwise direction of limiting plate is vertical setting, and when below link bearing was in the support bracket, with limiting plate welded fastening in the both sides of supporting the bracket for the limiting plate can play the spacing effect of level to truss 4, promotes the stability of bracket.

Optionally, the double-layer bracket sequentially comprises a truss 4, a falling frame wedge block 5 and a bearing beam 6 from bottom to top, the upper connecting end and the lower connecting end are respectively arranged on the truss 4, and the upper connecting end is provided with a connecting lug plate matched with the traction piece 2. The trusses 4 are formed by welding profile steels, the transverse distance is determined according to calculation, the trusses 4 comprise at least three trusses 4, the trusses 4 are connected into a whole by adopting a transverse connection system, the trusses 4 comprise first girders, second girders, vertical bars and inclined struts, the first girders and the second girders are arranged in parallel, the first girders are located right above the second girders, the vertical bars and the inclined struts are installed between the first girders and the second girders, two ends of each inclined strut are respectively arranged between the adjacent vertical bars, and the trusses 4 are further connected between the first girders and the second girders.

Specifically, the truss 4 is three pieces, the three pieces of truss 4 are arranged in parallel, the transverse connecting system is made of I36a steel, and the longitudinal direction of the transverse connecting system is perpendicular to the vertical plane where the truss 4 is located, so that the bearing capacity of the truss 4 is improved. Wherein, first girder and second girder all adopt respectively to make for 2I56a shaped steel, establish the distance between first girder and the second girder to 2550mm, the both ends of first girder are located to the top link, the both ends bottom of second girder is located to the below link, the second that is equipped with a plurality of vertical settings is all welded respectively to top link and below link and is strengthened the strength board, the second is strengthened the strength board and is adopted thickness to make for 10 mm's steel sheet, promote the resistance of truss 4 itself, avoid truss 4 to take place to warp, make truss 4 installation more reliable and more stable.

Optionally, a stainless steel plate and a sliding plate are arranged between the truss 4 and the drop frame wedge 5, and the sliding plate is positioned on the upper surface of the stainless steel plate. Because the sliding plate is made of polytetrafluoroethylene, the sliding plate has the vertical rigidity and elastic deformation of a common plate type rubber support, can bear vertical load and adapt to the rotation of a beam end, and the requirement of the cast-in-place beam on the deformation sliding in the longitudinal direction and the transverse bridge direction can be met by utilizing the low friction coefficient (mu f is less than or equal to 0.08) between the sliding plate made of polytetrafluoroethylene and a stainless steel plate.

Optionally, the plurality of falling frame wedges 5 are uniformly arranged on the upper end face of the first main beam, the falling frame wedges 5 are located right above a connection point between the first main beam and the vertical rod, and when the falling frame wedges 5 are used for adjusting the elevation of the bearing beam 6 in the early stage, the falling frame wedges 5 can be directly used for fine adjustment. The bearing beam 6 is arranged above the falling frame wedge block 5, the bearing beam 6 is made of 2I45a steel, the bearing beams 6 are arranged in parallel, the axial direction of the bearing beam 6 and the longitudinal direction of the truss 4 are vertically arranged, two ends of the bearing beam 6 respectively extend out from the upper part of the truss 4 along the longitudinal bridge direction, and the horizontal height of the bottom end of the bearing beam 6 is equal to or greater than the height of the pier body 1.

Optionally, the first work platforms 8 are set up at two ends of the bearing beam 6, and the safety barriers 81 are respectively arranged on one sides of the two sets of the first work platforms 8, which are far away from each other. The lower limb of truss 4 is along the longitudinal bridge to two-way extension second operation platform to through cat ladder and the first operation platform 8 intercommunications of homonymy, for constructor provides station people operation platform, need not frequently to use the tower crane to carry out high altitude handling, can form to the thing that drops moreover and block, reduce the probability of occurence failure.

Optionally, a plurality of distributing beams 7 are arranged above the bearing beam 6, the distributing beams 7 and the bearing beam 6 are vertically arranged, the upper portions of the distributing beams 7 are abutted to the pouring formwork, square wood is laid between the distributing beams 7 and the pouring formwork, plywood formworks are nailed on the square wood, a supporting platform is formed at high altitude, and workers can construct the roof conveniently.

The working conditions and principles of the embodiment are as follows:

when a cast-in-place crossbeam needs to be installed, the support piece 3 and the traction piece 2 are installed on the opposite side faces of the two pier bodies 1 respectively, the truss 4 is erected on the bearing platform, the stainless steel plate, the sliding plate and the falling frame wedge block 5 are erected above the truss 4 in sequence, the bearing beam 6 is installed above the falling frame wedge block 5, the two ends of the bearing beam 6 extend out from the upper side of the truss 4 along the longitudinal bridge direction respectively, the first operation platforms 8 are erected at the two ends of the bearing beam 6, the safety guardrails 81 are installed on the side, away from each other, of the two first operation platforms 8 respectively, a station operator operation platform is provided for constructors, high-altitude hoisting is not needed to be carried out by frequently using tower cranes, the falling objects can be blocked, and the probability of accidents is reduced. Then, a plurality of distribution beams 7 are continuously paved above the bearing beams 6, square wood is paved between the adjacent distribution beams 7, and plywood templates are nailed on the square wood. And finally, a second operation platform extends out of the lower edge of the truss 4 along the longitudinal bridge in the two directions, and a ladder stand is erected between the first operation platform 8 and the second operation platform, so that a constructor can operate between the first operation platform 8 and the second operation platform.

After the double-layer bracket is erected, the bridge deck winch is adopted to lift the preset position between the double-layer bracket and the pier body 1, the connecting end below the bridge deck winch is placed on the supporting bracket, the traction lug plate 22 is connected with the connecting lug plate through the pin rod, the double-layer bracket is fixed between the pier bodies 1, and the limiting plates are welded and fixed on two sides of the supporting bracket to achieve the effect of limiting the level of the double-layer bracket.

To sum up, the cast-in-place crossbeam bracket of reassembling type that this application provided has following beneficial effect:

according to the double-layer bracket, the pulling piece and the supporting piece are arranged between the pier bodies, so that the double-layer bracket can be directly installed at the preset position between the pier bodies, the bracket does not need to be bulk-assembled at the high-altitude position between the pier bodies, a constructor does not need to set up a cast-in-place beam bracket at high altitude, the safety risk of operation is reduced, the later-stage disassembly is facilitated, and the installation efficiency of the bracket is improved; meanwhile, the cast-in-place beam bracket can be directly hoisted in place, so that the interference of the main beams to the installation of the cast-in-place beam bracket is reduced.

Some exemplary embodiments of the present invention will be appreciated by those skilled in the art that changes may be made in these exemplary embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.

Claims (9)

1. The utility model provides a cast-in-place crossbeam bracket of reassembling type for the installation is located the engineering roof beam on two sets of pier shaft that set up relatively, its characterized in that: including tractive spare, support piece and the structure be big-end-up's double-deck bracket, the top link of double-deck bracket through with tractive spare pin joint with the pier shaft is fixed, the below link of double-deck bracket passes through support piece's bearing with the pier shaft is fixed.

2. The cast-in-place beam bracket of claim 1, further comprising: the supporting piece and the traction piece are fixed on the pier body through the embedded creeping cone respectively.

3. The cast-in-place beam bracket of claim 1, further comprising: the support piece is including supporting bracket and limiting plate, the bottom of limiting plate is fixed in respectively support the both sides of bracket, the limiting plate respectively with the periphery of below link is laminated mutually and is set up.

4. The cast-in-place beam bracket of claim 1, further comprising: the double-layer bracket sequentially comprises a truss, a falling frame wedge block and a bearing beam from bottom to top, the upper connecting end and the lower connecting end are respectively arranged on the truss, and the upper connecting end is provided with a connecting lug plate matched with a traction piece.

5. The cast-in-place beam bracket of claim 4, further comprising: a stainless steel plate and a sliding plate are arranged between the truss and the falling frame wedge block, and the sliding plate is located on the upper surface of the stainless steel plate.

6. The cast-in-place beam bracket of claim 4, further comprising: the bearing beam is arranged above the falling frame wedge block, the axis direction of the bearing beam and the longitudinal direction of the truss are vertically arranged, two ends of the bearing beam respectively extend out from the upper part of the truss along the longitudinal bridge direction, and the horizontal height of the bottom end of the bearing beam is equal to or greater than the height of the pier body.

7. The cast-in-place beam bracket of claim 6, further comprising: first operation platforms are set up at the both ends of spandrel girder, and two sets of one side that first operation platform kept away from each other is provided with safety barrier respectively.

8. The cast-in-place beam bracket of claim 7, further comprising: and the lower edge of the truss extends out of a second operation platform in the two directions along the longitudinal bridge and is communicated with the first operation platform on the same side through the ladder stand.

9. The cast-in-place beam bracket of claim 7, further comprising: the upper part of the bearing beam is provided with a plurality of distribution beams, the distribution beams are vertically arranged with the bearing beam, and the upper parts of the distribution beams are propped against the pouring template.

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