CN209620538U - A kind of full hall support system based on multilayer truss piece - Google Patents
A kind of full hall support system based on multilayer truss piece Download PDFInfo
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- CN209620538U CN209620538U CN201920048089.7U CN201920048089U CN209620538U CN 209620538 U CN209620538 U CN 209620538U CN 201920048089 U CN201920048089 U CN 201920048089U CN 209620538 U CN209620538 U CN 209620538U
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Abstract
The utility model discloses a kind of full hall support systems based on multilayer truss piece, including cushion cap, truss piece, bolt support lifting platform, plinth Board position and shank of bolt are reserved on cushion cap, first floor truss piece is securely connect by plinth plate with cushion cap, other layers of truss piece with its lower layer's truss piece quadrature arrangement, it is securely connected by angle brace and bolt, bolt support lifting platform is installed in top layer truss on piece.Each structural member in the utility model can accomplish normalization and modularization, substantially reduce component number, it is easy to build, it is highly adjustable, avoid a large amount of investments of conventional steel pipe console mode scaffolding, operating personnel's labor intensity is also mitigated simultaneously, it can fundamentally solve the problems, such as that formwork is time-consuming and laborious in the concrete cast-in-situs engineering such as many Longspan Bridges, and the system has the characteristics that reasonable stress, safety coefficient are high, structure is simple, convenient transportation, erection is quick, loading capacity is big, interchangeability is good, adaptable.
Description
Technical field
The utility model belongs to building engineering field more particularly to a kind of full hall support system based on multilayer truss piece.
Background technique
With China's economic development, Longspan Bridge is all being built in many areas, but bridge is typically in topography injustice
Under whole equal complicated geological conditions, this causes great trouble for construction of cast-in-place box girders construction formwork problem.The most common scheme one
Kind be full hall bowl buckle bearing support, bracket first carries out treatment of soft foundation before setting up, bracket bottom do gradation bed course, cement stabilized macadam layer or
Concrete hardening layer etc., is then laid with chock on it, sets up bowl buckle bearing support, and distribution beam in length and breadth is arranged in top.Program bar
Accessory from heavy and light, easily fill it is readily removable, set up flexibly, move conveniently, structure is reasonable, material have enough to meet the need performance it is good, but stability compared with
Difference, high to ground processing requirement, foundation treatment engineering amount is big, and treatment effect is difficult to control in a short time, and set up should not mistake for bracket
It is high.Another scheme is using mobile formwork, mainly by girder, the bridge of the nose, support beam, rear hanging beam, Support bracket or bracket, platform
The part such as vehicle, external mold, internal model, hydra-electric system forms, and can voluntarily shift between each bridge span, and section completion box beam is applied section by section
Work.Program mechanization degree is high, and adaptability is good, and small, work surface replacement machine is limited by conditions such as pier height, the hydrology, geology, places
It is dynamic flexibly, full hall bowl buckle bearing support relatively, without carrying out large-scale bracket basement process, but the program involves great expense, mostly
Measure body production, poor universality, construction organization with it is complicated for operation, safe mass is controlled risk greatly.
Utility model content
The main purpose of the utility model is to provide a kind of full hall support systems based on multilayer truss piece, can be effectively
It solves the problems, such as that Longspan Bridge formwork is time-consuming and laborious, there is construction is simple, convenient transportation, simple and easy erection, basement process
It is required that it is low, foundation treatment engineering amount is small, height adjustable, low cost, the advantage that versatility is good, stability is good, safety coefficient is high.
To achieve the above object, the utility model provides a kind of full hall support system based on multilayer truss piece, including
The multilayer truss piece and bolt support lifting platform that cushion cap, up and down direction are stacked, each layer of truss piece is by spacing parallel arranging
Multiple rows of truss piece of arrangement is constituted, and each row's truss piece is constituted by least two close to the truss piece being arranged in juxtaposition, bottom truss
Piece is fixedly connected by plinth plate and bolt one with cushion cap, and other layers of truss piece lower layer's truss piece quadrature arrangement adjacent thereto is simultaneously
And connected by angle brace and bolt two, bolt support lifting platform is mounted on top layer truss on piece.
Preferably, described be configured with reinforcing bar in cushion cap, the arrangement of reinforcement in bolt one and cushion cap welds and stretches out cushion cap
Outside upper plane.
Preferably, there are three plinth plates below each truss piece of the bottom truss piece, it is located at truss piece
Centre and end positions, each plinth plate include a substrate and both side plate, both side plate is vertically integrally attached to the upper plane of substrate, base
The four corners of plate are machined with bolt hole one, and substrate is installed by the bolt one at the bolt hole one loaded on four corners
On cushion cap, the both side plate of each plinth plate is located at the two sides of truss piece, and bolt hole two, the spiral shell on both side plate are machined on both side plate
Two face of keyhole simultaneously runs through truss piece and the three truss frame for connecting piece of bolt by being installed in bolt hole two.
Preferably, the truss piece is welded by top boom, lower boom, vertical bar and brace, truss piece winds up
Bar, lower boom are composed of back-to-back two channel steels, and the middle position and end positions between top boom and lower boom are equal
It is connected with the vertical bar, the upper end of each vertical bar is weldingly fixed between two channel steels of top boom, the lower end welding of each vertical bar
It is fixed between two channel steels of lower boom, top boom, lower boom are welded and connected with brace between vertical bar, in brace and erect
The position of bar intersection is welded with reinforcement steel plate, top boom, lower boom both ends have negative head and male, have in negative head and male
Connecting pin bores one, vertical bar and lower boom junction positioned at lower boom both ends and centre are machined with the bolt hole two respectively.
Preferably, the negative head of two truss pieces adjacent in each row's truss piece, male are by being loaded on pin
Pin rod connection in hole one, pin rod one end are welded with round protrusion, and other end is spheric end and and is drilled with pin hole two, pin hole
It is furnished with pin in two.
Preferably, being welded with four strap bolts for connecting upper layer truss piece between two channel steels of the top boom
The bloom in hole three, each bloom abut corresponding vertical bar, and angle brace is welded as right angle by one block of long steel plate and one block of short steel plate,
In, long steel plate to the corresponding bloom of lower layer truss piece by being connected loaded on the bolt two in bolt hole three, short steel plate with it is upper
Layer truss piece loaded on the bolt three in bolt hole two by being connected.
Preferably, there is a bolt hole four in vertical bar upper and lower ends proximal end, adjacent two rows in each layer of truss piece
It is connected between truss piece by diagonal brace, respectively there are a diagonal brace, and the diagonal brace position at each truss piece both ends in each truss piece both ends
X-shaped is staggeredly constituted, the both ends of each diagonal brace are the rectangular steel disc for processing hole, and centre is support channel steel, and two of diagonal brace are rectangular
Steel disc is with the vertical bar both ends of corresponding truss piece by being connected loaded on the bolt four in bolt hole four and hole.
Preferably, the bolt support lifting platform includes base steel plates, nut, lifting bolt bar, supporting plane,
Deep floor is arranged at base steel plates lower part, and connecting hole one and connecting hole two are machined in base steel plates, and top layer truss piece winds up
Bloom on bar connects base steel plates, the upper end of lifting bolt bar by the bolt five being mounted in bolt hole three and connecting hole one
It is welded with supporting plane, in the lower end insertion connecting hole two of lifting bolt bar, nut is screwed on lifting bolt bar.
Compared with the existing technology, the utility model has the following beneficial effects: each structural member can accomplish normalization and group
Part substantially reduces component number, and it is easy to build, and height is adjustable, avoids conventional steel pipe console mode scaffolding
A large amount of investments, while operating personnel's labor intensity is also mitigated, it is existing can fundamentally to solve the concrete such as many Longspan Bridges
The time-consuming and laborious problem of formwork in engineering is poured, while not needing to be suitable for the more severe construction environment in field using electricity；The full hall
After support system is installed, so that it may carry out subsequent formwork after adjusting the height to suitable position of supporting plane by turning nut
Work.
Detailed description of the invention
The description of the present application attached drawing for providing a further understanding of the present invention, the utility model it is schematic
Embodiment and its explanation are not constituteed improper limits to the present invention for explaining the utility model.In the accompanying drawings:
Fig. 1 is a kind of full hall support system structural schematic diagram based on multilayer truss piece；
Fig. 2 is a kind of plinth plate structural schematic diagram of full hall support system based on multilayer truss piece；
Fig. 3 is a kind of truss chip architecture schematic diagram of full hall support system based on multilayer truss piece；
Fig. 4 is a kind of pin rod structural schematic diagram of full hall support system based on multilayer truss piece；
Fig. 5 is a kind of pin structural schematic diagram of full hall support system based on multilayer truss piece；
Fig. 6 is a kind of gusset form schematic diagram of full hall support system based on multilayer truss piece；
Fig. 7 is a kind of inclined support structure schematic diagram of full hall support system based on multilayer truss piece；
Fig. 8 is a kind of base steel plates structural schematic diagram of full hall support system based on multilayer truss piece；
Wherein, the above drawings include the following reference numerals:
1, cushion cap, 2, plinth plate, 2a, substrate, 2b, both side plate, 3, truss piece, 4, top boom, 5, lower boom, 6, vertical bar, 7,
Brace, 8, reinforcement steel plate, 9, supporting block, 10, channel steel, 11, bolt hole two, 12, negative head, 13, male, 14, pin hole one, 15, pin
Bar, 16, pin, 17, bloom, 18, angle brace, 19, diagonal brace, 20, base steel plates, 21, nut, 22, lifting bolt bar, 23, support
Plane, 24, deep floor.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clear, complete, intuitive description.
It is noted that following detailed description is all illustrative, it is intended to provide further the present utility model application
It is bright.Unless otherwise specified, all technical and scientific terms used herein has the common skill with the application technical field
The normally understood identical meanings of art personnel.
The utility model is described in further detail below with reference to embodiment and specific embodiment.
As shown in Figure 1, a kind of full hall support system based on multilayer truss piece, including cushion cap 1, up and down direction are stacked
Multilayer truss piece, bolt support lifting platform, each layer of truss piece is made of multiple rows of truss piece that spacing parallel arranging is arranged, each
Row's truss piece is constituted by least two close to the truss piece 3 being arranged in juxtaposition, and bottom truss piece passes through plinth plate 2 and bolt one and cushion cap
1 securely connects, and other layers of truss piece lower layer's truss piece quadrature arrangement adjacent thereto is securely connected by angle brace 18 and bolt two
It connects, bolt support lifting platform is installed in top layer truss on piece.
The configuration reinforcement as needed in cushion cap 1, using concrete cast-in-situ, and on cushion cap 1 reserve 2 position of plinth plate and
Bolt one, bolt one need to weld with arrangement of reinforcement in cushion cap 1 and stretch out 1 plane certain altitude of cushion cap, after the completion of cushion cap 1 pours, In
Reserved 2 position of plinth plate plinth plate 2 is installed by bolt one.
There are three plinth plates 2 below for each truss piece 3 of bottom truss piece, are located at the centre and both ends position of truss piece 3
It sets, is to prevent using the purpose of plinth plate 2 on cushion cap 1 to damage concrete surface by pressure in the case where upper load acts on.Plinth plate 2 is by a base
Plate 2a and both side plate 2b are welded, and substrate 2a and both side plate 2b are steel plate, and both side plate 2b is vertically connected on the upper of substrate 2a
Plane, the four corners of substrate 2a are machined with bolt hole one, and substrate 2a passes through the institute at the bolt hole one loaded on four corners
It states bolt one to be mounted on cushion cap 1, the both side plate 2b of each plinth plate 2 is located at the two sides of truss piece 3, and the center of both side plate 2b is equal
It is machined with bolt hole two, two face of bolt hole on both side plate simultaneously runs through truss piece and the spiral shell by being installed in bolt hole two
Three truss frame for connecting piece 3 of bolt, as shown in Figure 2.
Truss piece 3 is welded by top boom 4, lower boom 5, vertical bar 6 and brace 7, and the top-bottom chord 5 of truss piece 3 is by two
Root channel steel 10 and supporting block 9 are composed back-to-back, and the middle position and end positions between top boom 4 and lower boom 5 connect
It is connected to the vertical bar 6, the upper end of each vertical bar 6 is weldingly fixed between two channel steels of top boom 4, the lower end weldering of each vertical bar 6
It connects between two channel steels for being fixed on lower boom 5.Top boom 4, lower boom 5 are welded and connected with brace 7, shape between vertical bar 6
At intermediate diamond rack.Brace 7 is specifically to weld with the supporting block 9 on top boom 4, lower boom 5.In 6 phase of brace 7 and vertical bar
Reinforced using the welding of steel plate 8 is reinforced at the position of friendship.Vertical bar 6 positioned at 5 both ends of lower boom and centre connect punishment with lower boom 5
It is not machined with the bolt hole 2 11.Top boom 4, lower boom 5 both ends have negative head 12 and male 13, negative head 12, male 13
On have connecting pin bores 1, as shown in Figure 3.Every 6 bottom end of vertical bar of truss piece 3 is furnished with a plinth plate 2, for bottom purlin
The place of negative head 12 and male 13 contact of frame piece, can be used a plinth plate 2.
The bloom 17 in four strap bolt holes three for connecting upper layer truss piece is welded between two channel steels of top boom 4,
The bloom 17 in the strap bolt hole three abuts vertical bar 6；There is bolt hole four in 6 upper and lower ends proximal end of vertical bar.
It can accomplish normalization and modularization to make each structural member, substantially reduce component number, build more easily,
Three pieces truss piece 3 can be regard as a unit, negative head 12 and male of the size of branch Model area by truss piece 3 are needed according to top
13 are connected by pin hole 1 using pin rod 15, and 15 one end of pin rod is welded with round protrusion, and other end makees grinding process
For spheric end, and it is drilled with pin hole two, is furnished with pin 16 in pin hole two, as shown in Figure 4 and Figure 5；Pin rod 15 passes through negative head 12 and sun
Blocking pin rod 15 using pin 16 after first 13 prevents it from skidding off pin hole 1.
After bottom truss piece 3 is installed side by side, reinforce globality, diagonal brace using diagonal brace 19 between adjacent truss piece 3
19 both ends are rectangular steel disc, and process hole, and centre is support channel steel, as shown in Figure 7；Diagonal brace 19 and truss piece 3 pass through perpendicular
The bolt hole four at 6 both ends of bar is connected using bolt four, and each 3 both ends of truss piece respectively use a diagonal brace 19, and two diagonal braces 19
Position interlocks, arrangement in " X " shape, and the diagonal brace 19 between adjacent truss piece 3 needs symmetrical about intermediate vertical bar 6.In bottom truss
After piece is installed, second layer truss piece, second layer truss piece and bottom truss piece quadrature arrangement are installed, two-tier truss piece passes through
Angle brace 18 is securely connect with bolt two, and angle brace 18 is that two blocks of steel plates are welded as right angle, and specifically, angle brace 18 is long by one piece
Steel plate and one block of short steel plate are welded as right angle, wherein long steel plate passes through to the corresponding bloom 17 of lower layer's truss piece loaded on spiral shell
The bolt two in keyhole three connects, and short steel plate is with upper layer truss piece by being connected loaded on the bolt three in bolt hole two
It connects, as shown in Figure 6；The place that negative head 12 and male 13 for bottom truss piece contact uses two panels truss piece 3 side by side,
The purpose of this way is to define force transfer system, guarantees its vertical drag, equally added using diagonal brace 19 between adjacent truss piece 3
Strong globality.Other layers of truss piece and are securely connected with angle brace 18 by diagonal brace 19 with its lower layer's truss piece quadrature arrangement below
It connects.
After all installations to proper height of truss piece 3, bolt support lifting platform, bolt are installed on top layer truss piece
Supporting lifting platform includes base steel plates 20, nut 21, lifting bolt bar 22, supporting plane 23, deep floor 24；Wherein base
20 lower weld of plinth steel plate has deep floor 24, and connecting hole one and connecting hole two, connecting hole two are machined on deep floor 24
Diameter is greater than 22 diameter of lifting bolt bar, wherein the connecting hole one of periphery is used in basic steel plate 20 is connect with top layer truss piece,
The connecting hole two of inner ring is that lifting bolt bar 22 is up and down used, as shown in Figure 8；Lifting bolt bar 22 and supporting plane 23 weld
It connects, all nuts 21 are screwed in lifting bolt bar 22 at supporting plane 23 before installing.Base steel plates 20 are passed through into band first
The bloom 17 of bolt hole is connect with the top boom 4 of top layer truss piece, is then inserted into the lifting bolt bar 22 on supporting plane 23
In the connecting hole two of base steel plates 20, after which is installed, so that it may adjust supporting plane by turning nut
Height to suitable position after carry out subsequent formwork work.
A kind of full hall support system and construction method and construction method based on multilayer truss piece includes following construction procedure:
(1), foundation bearing capacity is determined according to geological exploration result, and determines the range of upper load, design cushion cap 1 accordingly
Size, arrangement of reinforcement, in the case of foundation bearing capacity is too small, it is contemplated that first drive piles under cushion cap 1.
(2), according to design drawing, the configuration reinforcement as needed in cushion cap 1, using concrete cast-in-situ, and on cushion cap 1
Reserved plinth Board position and shank of bolt one after intensity is met the requirements, install plinth plate 2 and truss piece 3.
(3), bolt support lifting platform is installed to top layer truss piece upper end.Truss piece 3 installs multilayer, and the number of plies is according to bridge
Depending on height, inadequate part is compensated with bolt support lifting platform.
(4), the height that full hall support system is adjusted by turning nut 21, carries out subsequent formwork work after the completion.
Above-described is only the preferred embodiment of the utility model, is not intended to limit the utility model, for
It is without departing from the concept of the present invention, any modification that can also make, equivalent for those skilled in the art
Replacement, improvement etc., belong to the protection scope of the utility model.
Claims (8)
1. a kind of full hall support system based on multilayer truss piece characterized by comprising cushion cap, up and down direction are stacked
Multilayer truss piece and bolt support lifting platform, each layer of truss piece be made of multiple rows of truss piece that spacing parallel arranging is arranged,
Each row's truss piece is constituted by least two close to the truss piece being arranged in juxtaposition, and bottom truss piece passes through plinth plate and bolt one and holds
Platform is fixedly connected, and other layers of truss piece lower layer's truss piece quadrature arrangement adjacent thereto and is connected by angle brace and bolt two
It connects, bolt support lifting platform is mounted on top layer truss on piece.
2. the full hall support system according to claim 1 based on multilayer truss piece, which is characterized in that in the cushion cap
Configured with reinforcing bar, the arrangement of reinforcement in bolt one and cushion cap is welded and is stretched out on cushion cap outside plane.
3. as claimed in claim 2 based on the full hall support system of multilayer truss piece, which is characterized in that the bottom truss
There are three plinth plates below each truss piece of piece, are located at centre and the end positions of truss piece, and each plinth plate includes a substrate
And both side plate, both side plate are vertically connected on the upper plane of substrate, the four corners of substrate are machined with bolt hole one, and substrate passes through
The bolt one at bolt hole one loaded on four corners is mounted on cushion cap, and the both side plate of each plinth plate is located at the two of truss piece
Side is machined with bolt hole two on both side plate, two face of bolt hole on both side plate and through truss piece and by being installed on
Three truss frame for connecting piece of bolt in bolt hole two.
4. as claimed in claim 3 based on the full hall support system of multilayer truss piece, which is characterized in that the truss piece is by upper
Chord member, lower boom, vertical bar and brace are welded, and top boom, the lower boom of truss piece back-to-back and are connected by two channel steels
The supporting block connect between two channel steels is composed, and the middle position and end positions between top boom and lower boom are all connected with
There is the vertical bar, the upper end of each vertical bar is weldingly fixed between two channel steels of top boom, and the lower end of each vertical bar is welded and fixed
Between two channel steels of lower boom, top boom, lower boom are welded and connected with brace between vertical bar, in brace and vertical bar phase
The position of friendship is welded with reinforcement steel plate, top boom, lower boom both ends have negative head and male, have connection in negative head and male
Pin hole one, vertical bar and lower boom junction positioned at lower boom both ends and centre are machined with the bolt hole two respectively.
5. as claimed in claim 4 based on the full hall support system of multilayer truss piece, which is characterized in that each row purlin
By connecting loaded on the pin rod in pin hole one, pin rod one end is welded with circle for the negative head of two adjacent truss pieces, male in frame piece
Shape protrusion, other end be spheric end and and be drilled with pin hole two, be furnished with pin in pin hole two.
6. as claimed in claim 4 based on the full hall support system of multilayer truss piece, which is characterized in that in the top boom
The bloom in four strap bolt holes three for connecting upper layer truss piece is welded between two channel steels, each bloom abuts corresponding vertical bar,
Angle brace is welded as right angle by one block of long steel plate and one block of short steel plate, wherein the corresponding bloom of long steel plate and lower layer truss piece
By connecting loaded on the bolt two in bolt hole three, short steel plate and upper layer truss piece pass through loaded on described in bolt hole two
Bolt three is connected.
7. as claimed in claim 6 based on the full hall support system of multilayer truss piece, which is characterized in that above and below the vertical bar
There is a bolt hole four in both ends proximal end, passes through diagonal brace between adjacent two rows of truss pieces in each layer of truss piece and connects, each truss
Respectively there is a diagonal brace at piece both ends, and the diagonal brace position at each truss piece both ends staggeredly constitutes X-shaped, and the both ends of each diagonal brace are to be machined with
The rectangular steel disc of hole, centre are support channel steel, and two rectangular steel discs of diagonal brace and the vertical bar both ends of corresponding truss piece pass through dress
It is connected in bolt hole four with the bolt four in hole.
8. as claimed in claim 7 based on the full hall support system of multilayer truss piece, which is characterized in that the bolt support top
Peaceful includes base steel plates, nut, lifting bolt bar, supporting plane, and deep floor is arranged at base steel plates lower part, in base steel plates
On be machined with connecting hole one and connecting hole two, the bloom on the top boom of top layer truss piece by be mounted on bolt hole three and connection
Bolt five in hole one connects base steel plates, and the upper end of lifting bolt bar and supporting plane weld, and the lower end of lifting bolt bar is inserted
Enter in connecting hole two, nut is screwed on lifting bolt bar.
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| CN201920048089.7U CN209620538U (en) | 2019-01-11 | 2019-01-11 | A kind of full hall support system based on multilayer truss piece |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109505402A (en) * | 2019-01-11 | 2019-03-22 | 中铁十六局集团第四工程有限公司 | A kind of full hall support system and construction method based on multilayer truss piece |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109505402A (en) * | 2019-01-11 | 2019-03-22 | 中铁十六局集团第四工程有限公司 | A kind of full hall support system and construction method based on multilayer truss piece |
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