CN113931071B - Prefabricated box girder wet joint attached construction platform and construction method thereof - Google Patents
Prefabricated box girder wet joint attached construction platform and construction method thereof Download PDFInfo
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- CN113931071B CN113931071B CN202111258019.2A CN202111258019A CN113931071B CN 113931071 B CN113931071 B CN 113931071B CN 202111258019 A CN202111258019 A CN 202111258019A CN 113931071 B CN113931071 B CN 113931071B
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- 238000010276 construction Methods 0.000 title claims abstract description 141
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 38
- 239000010959 steel Substances 0.000 claims abstract description 38
- 230000000087 stabilizing effect Effects 0.000 claims description 26
- 241000282326 Felis catus Species 0.000 claims description 11
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 9
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 9
- 241001330002 Bambuseae Species 0.000 claims description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 9
- 239000011425 bamboo Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 239000011120 plywood Substances 0.000 claims description 9
- 239000000725 suspension Substances 0.000 claims description 7
- 239000002131 composite material Substances 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 230000009193 crawling Effects 0.000 claims 2
- 239000000463 material Substances 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 210000003205 muscle Anatomy 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 206010058031 Joint adhesion Diseases 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
- E01D21/10—Cantilevered erection
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention provides a prefabricated box girder wet joint attached construction platform and a construction method thereof, wherein the construction platform comprises anchor bars and angle steel, the anchor bars are used for being installed on one side of a prefabricated box girder, the angle steel is arranged on the anchor bars through first screws, one end face of the angle steel is attached to one side of the prefabricated box girder, the construction platform is further arranged and used for being placed between two adjacent prefabricated box girders, the lower end faces of the two sides of the construction platform are respectively abutted against the upper end faces of the angle steel abutted against the two adjacent prefabricated box girders, a supporting transverse frame is further arranged, the supporting transverse frame is connected with the construction platform through a plurality of hanging columns, a plurality of idler wheels are arranged on the two sides of the supporting transverse frame, and the construction platform moves between the two adjacent prefabricated box girders through the supporting transverse frame. The construction time of the wet joint of the bridge on the railway is quickened. The use is simple, the operation is convenient, the labor cost can be reduced, and the device can be installed by a single person during use. The invention can adapt to templates with different sizes, reduces the number of lifting appliances to be processed, and saves manpower and material consumption.
Description
Technical Field
The invention relates to the technical field of precast box girder maintenance, in particular to a precast box girder wet joint attached construction platform and a construction method thereof.
Background
Along with the continuous development of traffic engineering, more and more railway bridge construction is involved, when an overstock bridge structure is prefabricated, the girder slab erection is usually carried out by sealing a railway or utilizing railway window time, a protective shed frame is usually erected below the overstock railway after the erection is finished, and construction such as overstock railway girder slab joints, anti-collision guardrails and the like is carried out under the protection of the protective shed frame.
At present, the construction protection of wet joints of precast box girders of railway bridges adopts a method of erecting upright posts and shelving frames on two side slope feet. However, when the span of the canopy frame is large and the height is high, safety problems are easily caused; or the method of setting up upright post foundations on the roadbed slopes at two sides and erecting the shed frame is adopted, the roadbed slopes are necessarily excavated, the driving safety is affected to a certain extent, and railway window time is required to be utilized or blocked for a plurality of times in the erection and dismantling processes of the shed frame, so that the problems of high interference to railway operation, long influence time and the like are caused. And the existing construction platform cannot realize movement, and the construction is very inconvenient to move.
Chinese patent CN205474862U discloses a movable box girder wet joint template operating platform, which belongs to a bridge superstructure construction device, comprising a walking and supporting system, a suspension system and a construction platform; the walking and supporting system comprises a frame structure and an axle mechanism fixed with the frame structure; the suspension system is of a hanger structure capable of rotating, one end of the suspension system is rotationally connected with the walking and supporting system, and the other end of the suspension system is fixed with the construction platform; the construction platform comprises a frame and a panel layer paved on the frame. The scheme is inconvenient in mobile construction, and the installation and assembly speed is low.
Chinese patent CN113202029a relates to construction of an overstock trunk highway bridge, in particular to a construction method for protecting the wet joints of an overstock business line bridge and the bottom of a midspan diaphragm. The technical problem that the lower railway line is easy to interfere when the middle cross slab is constructed in the existing construction of the upper cross business line bridge is solved. The method comprises construction of a cross-middle diaphragm plate and wet joint construction; the construction of the midspan diaphragm plate comprises the following steps: (1) Installing a middle partition plate construction platform at the position where the middle cross plate needs to be poured at the wet joint of two adjacent box girders; (2) Welding diaphragm plate connecting steel bars at the positions where the middle diaphragm plates need to be cast and making a template support; (3) casting concrete after the formwork support is completed; (4) The template removed by template removal is dumped to the top surface of the beam body from the wet joint gap; (5) The channel steel, the wood board, the steel wire mesh and the lacing wire of the partition board construction platform are removed and all transported to the top surface of the beam body through wet joint gaps; and carrying out wet joint construction after the construction of the midspan diaphragm plate is finished. The scheme is inconvenient in mobile construction, and the installation and assembly speed is low.
Disclosure of Invention
The invention mainly aims to provide a prefabricated box girder wet joint attached construction platform and a construction method thereof, which solve the problems that the existing railway bridge prefabricated box girder wet joint construction protection adopts a method of erecting upright posts on two side slope feet and erecting a shed frame, and the safety is easy to cause when the span of the shed frame is large and the height is high.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a wet seam of prefabricated box girder adheres to formula construction platform, including anchor muscle and angle steel, the anchor muscle is used for installing in prefabricated box girder one side, the angle steel is established in the anchor muscle through first screw, an angle steel terminal surface pastes in prefabricated box girder one side, still be equipped with construction platform, construction platform is used for placing between two adjacent prefabricated box girders, and construction platform both sides lower extreme face is supported respectively and is leaned on the angle steel up end between two adjacent prefabricated box girders, still be equipped with the support crossbearer, the support crossbearer is connected with construction platform through a plurality of davits, support crossbearer both sides are equipped with a plurality of gyro wheels, construction platform moves between two adjacent prefabricated box girders through the support crossbearer.
In the preferred scheme, be equipped with a plurality of supporting legs on the supporting legs, be equipped with the gyro wheel on the supporting legs, the davit upper end is equipped with the fixing base of bending, and the supporting legs lower surface is equipped with a plurality of snap rings, and the fixing base is established inside the snap ring, still is equipped with a plurality of second screws, and the second screw passes supporting legs and fixing base threaded connection.
In the preferred scheme, the idler wheel comprises a driving wheel and a driven wheel, a construction platform, a driving device is arranged on the hanging column, and the driving device is connected with the driving wheel.
In a preferred scheme, the structure of the driving device is as follows: including first actuating lever and second actuating lever, first actuating lever is established on the davit through a plurality of rotation seats, and davit one side is equipped with the rolling disc, and the rolling disc is connected with first actuating lever, and the second actuating lever is established on the supporting crossbearer through a plurality of rotation seats, and first actuating lever is connected with the second actuating lever, and second actuating lever both ends are connected with the drive wheel.
In the preferred scheme, the rotating disc is connected with a first driving rod through a first bevel gear set, the first driving rod is connected with a second driving rod through a second bevel gear set, and two ends of the second driving rod are connected with driving wheels through a transmission belt.
In the preferred scheme, the lifting seat is arranged at the lower end of the lifting column, bayonets are arranged at two sides of the construction platform, the bayonets of the construction platform are clamped on the lifting column, the lower end face of the construction platform abuts against the lifting seat, and the construction platform is locked on the lifting seat through a plurality of screws.
In the preferred scheme, a sunken mounting table is arranged in the middle of the construction platform, and a plurality of bearing plates are arranged on the mounting table;
the bearing plate is a steel plate net pavement plate or a multi-layer composite plate, the composite plate comprises a bamboo plywood, the lower surface of the bamboo plywood is provided with a reinforcing framework, and the upper surface of the bamboo plywood is compounded with a fireproof plate.
In the preferred scheme, be equipped with the cat ladder on the support crossbearer, support the crossbearer both sides and be equipped with the spout, still be equipped with the horizontal pole, cat ladder upper end and horizontal pole sliding connection, horizontal pole both ends and spout sliding connection.
In the preferred scheme, a plurality of stabilizing frames are further arranged on two sides of the construction platform, inclined clamping grooves are formed in the construction platform, the stabilizing frames are obliquely clamped in the clamping grooves, screw rods are arranged on the stabilizing frames and are in threaded connection with the stabilizing frames, a rubber head is arranged at one end of each screw rod, and a rotating handle is arranged at the other end of each screw rod;
the rubber head of the stabilizing frame is abutted against the side surface of the precast box girder so as to stabilize the construction platform.
The method comprises the following steps:
s1, embedding a plurality of anchor bars on a prefabricated box girder related to a railway part, wherein the anchor bars are provided with angle steels through first screws, so that one end face of each angle steel is kept horizontal, and a plurality of strip-shaped angle steels form a straight strip structure;
s2, firstly installing a plurality of supporting legs on a supporting transverse frame, and then installing a second driving rod on the supporting transverse frame, wherein two ends of the second driving rod are connected with driving wheels through driving belts;
s3, mounting a first driving rod on the hanging column, wherein the lower end of the first driving rod is connected with the rotating disc through a first bevel gear group;
s4, supporting the transverse support on two adjacent prefabricated box girders, stabilizing the whole transverse support, installing hanging columns on two sides below the transverse support, inserting fixing seats of the hanging columns into the clamping rings for stable positioning, fixing the hanging columns through a plurality of second screws, and connecting the upper ends of the first driving rods with the second driving rods through second bevel gear sets in a threaded manner;
s5, installing a cat ladder on the support cross frame, hanging the construction platform through the cat ladder, clamping the bayonet of the construction platform on the hanging column, installing the construction platform on the hanging seat through a plurality of screws, and enabling two sides of the construction platform to lean against the angle steel at the same time, so that the construction platform is stable;
s6, installing a plurality of bearing plates in the middle of the construction platform;
s7, obliquely inserting the stabilizing frame into a clamping groove of the construction platform, and rotating the rotating handle to enable the rubber head to lean against the surface of the prefabricated box girder so as to stabilize the whole construction platform;
s8, when the construction platform is moved, the rubber head on the stabilizing frame is loosened, the rotating disc is rotated, and the rotating disc drives the driving wheel to slide on the prefabricated box girder to carry out moving construction.
The invention provides a prefabricated box girder wet joint attached construction platform and a construction method thereof, wherein the construction platform does not need to seal a railway, has little influence on the railway, does not need large-scale equipment and temporary structural engineering, and is economical and efficient in the whole process. The invention has simple process, economy and safety. Bolts and reinforced angle steel are pre-buried before the box girder is erected, so that the construction time is greatly saved for the construction of the wet joint adhesion protective shed, and the construction time related to the wet joint of the bridge on the railway is quickened. The use is simple, the operation is convenient, the labor cost can be reduced, and the device can be installed by a single person during use. The invention can adapt to templates with different sizes, reduces the number of lifting appliances to be processed, and saves manpower and material consumption.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a general front elevational block diagram of the present invention;
FIG. 2 is a general installation construction block diagram of the present invention;
FIG. 3 is a construction platform mounting block diagram of the present invention;
FIG. 4 is a diagram of the installation structure of the driving device of the present invention;
FIG. 5 is a block diagram of the mounting of the carrier plate of the present invention;
FIG. 6 is a construction view of a hanger bracket of the present invention;
FIG. 7 is a view showing a mounting structure of a ladder stand according to the present invention;
FIG. 8 is a mounting block diagram of the stabilizer of the present invention;
in the figure: a construction platform 1; a bayonet 101; a mounting table 102; a card slot 103; angle steel 2; a first screw 3; anchor bars 4; a suspension post 5; a fixed seat 501; a hanging seat 502; a first drive lever 6; a ladder 7; a support cross frame 8; a chute 801; a clasp 802; a lifting lug 9; a support leg 10; a drive wheel 11; a second drive lever 12; a carrier plate 13; driven wheel 14; a cross bar 15; a stabilizer 16; a rubber head 1601; a screw 1602; turning the handle 1603; a transmission belt 17; a rotating disc 18; a first bevel gear set 19; a second bevel gear set 20; a second screw 21.
Detailed Description
Example 1
As shown in fig. 1-8, a prefabricated box girder wet joint adheres to formula construction platform, including anchor bar 4 and angle steel 2, anchor bar 4 is used for installing in prefabricated box girder one side, angle steel 2 establishes at anchor bar 4 through first screw 3, angle steel 2 an terminal surface pastes in prefabricated box girder one side, still be equipped with formula construction platform 1, formula construction platform 1 is used for placing between two adjacent prefabricated box girders, and the terminal surface is supported respectively to the lower terminal surface of formula construction platform 1 both sides and is leaned on the angle steel 2 up end between two adjacent prefabricated box girders, still be equipped with support crossbearer 8, support crossbearer 8 is connected with formula construction platform 1 through a plurality of davits 5, support crossbearer 8 both sides are equipped with a plurality of gyro wheels, formula construction platform 1 is through supporting crossbearer 8 and is removed between two adjacent prefabricated box girders. The angle steel 2 is used for stabilizing the construction platform 1, plays a role in protecting the construction platform 1, and can also move the whole supporting transverse frame 8, so that the whole construction platform 1 can move for construction.
In the preferred scheme, be equipped with a plurality of supporting legs 10 on the support crossbearer 8, be equipped with the gyro wheel on the supporting leg 10, the davit 5 upper end is equipped with the fixing base 501 of bending, and support crossbearer 8 lower surface is equipped with a plurality of snap rings 802, and fixing base 501 is established inside snap ring 802, still is equipped with a plurality of second screws 21, and second screw 21 passes support crossbearer 8 and fixing base 501 threaded connection. As shown in fig. 6, the bent fixing seat 501 is clamped inside the clamping ring 802 to be positioned first and then installed, so that the installation speed is high.
In the preferred scheme, the gyro wheel includes drive wheel 11 and follow driving wheel 14, and construction platform 1 is equipped with drive arrangement on the davit 5, and drive arrangement is connected with drive wheel 11. The driving device has the structure that: the lifting column comprises a first driving rod 6 and a second driving rod 12, wherein the first driving rod 6 is arranged on the lifting column 5 through a plurality of rotating seats, a rotating disc 18 is arranged on one side of the lifting column 5, the rotating disc 18 is connected with the first driving rod 6, the second driving rod 12 is arranged on a supporting transverse frame 8 through a plurality of rotating seats, the first driving rod 6 is connected with the second driving rod 12, and two ends of the second driving rod 12 are connected with driving wheels 11. The rotating disc 18 is connected with the first driving rod 6 through a first bevel gear set 19, the first driving rod 6 is connected with the second driving rod 12 through a second bevel gear set 20, and two ends of the second driving rod 12 are connected with the driving wheels 11 through a transmission belt 17. As shown in fig. 4, the rotating disc 18 is rotated, and the rotating disc 18 drives the driving wheel 11 to slide on the prefabricated box girder to perform moving construction.
In the preferred scheme, the hanging seat 502 is arranged at the lower end of the hanging column 5, bayonets 101 are arranged at two sides of the construction platform 1, the bayonets 101 of the construction platform 1 are clamped on the hanging column 5, the lower end face of the construction platform 1 abuts against the hanging seat 502, and the construction platform 1 is locked on the hanging seat 502 through a plurality of screws. The bayonet 101 of the construction platform 1 is clamped on the hanging column 5, the lower end face of the construction platform 1 abuts against the hanging seat 502, the construction platform 1 is locked on the hanging seat 502 through a plurality of screws, the installation is more convenient, and the installation structure is more stable.
In the preferred scheme, the middle part of the construction platform 1 is provided with a concave installation platform 102, and a plurality of bearing plates 13 are arranged on the installation platform 102. The bearing plate 13 is a steel plate net pavement plate or a multi-layer composite plate, the composite plate comprises a bamboo plywood, the lower surface of the bamboo plywood is provided with a reinforcing framework, and the upper surface of the bamboo plywood is compounded with a fireproof plate. The steel plate net pavement plate is preferable.
In the preferred scheme, be equipped with cat ladder 7 on the support crossbearer 8, support crossbearer 8 both sides are equipped with spout 801, still are equipped with horizontal pole 15, cat ladder 7 upper end and horizontal pole 15 sliding connection, horizontal pole 15 both ends and spout 801 sliding connection. The cat ladder 7 can move at multiple angles and is convenient to use.
In the preferred scheme, a plurality of stabilizing frames 16 are further arranged on two sides of the construction platform 1, an inclined clamping groove 103 is formed in the construction platform 1, the stabilizing frames 16 are obliquely clamped in the clamping groove 103, a screw 1602 is arranged on the stabilizing frames 16, the screw 1602 is in threaded connection with the stabilizing frames 16, a rubber head 1601 is arranged at one end of the screw 1602, and a rotating handle 1603 is arranged at the other end of the screw 1602. The plurality of stabilizing frames 16 are used for stabilizing the construction platform 1 and preventing the construction platform 1 from shaking.
The rubber heads 1601 of the stabilizing frame 16 rest against the sides of the precast box girder to stabilize the construction platform 1.
Example 2
Further describing in connection with embodiment 1, as shown in fig. 1-8, a plurality of anchor bars 4 are pre-buried on the prefabricated box girder related to the railway portion, the plurality of anchor bars 4 are provided with angle steel 2 through first screws 3, one end face of angle steel 2 is ensured to be kept horizontal, and a plurality of strip-shaped angle steel 2 forms a straight strip-shaped structure.
The supporting feet 10 are firstly arranged on the supporting transverse frame 8, then the second driving rod 12 is arranged on the supporting transverse frame 8, and two ends of the second driving rod 12 are connected with the driving wheel 11 through the driving belt 17.
The first driving rod 6 is arranged on the suspension post 5, and the lower end of the first driving rod 6 is connected with the rotating disc 18 through a first bevel gear group 19.
The supporting transverse frame 8 is arranged on two adjacent prefabricated box girders, the whole supporting transverse frame 8 is stabilized, hanging columns 5 are arranged on two sides below the supporting transverse frame 8, fixing seats 501 of the hanging columns 5 are inserted into the clamping rings 802 to be stably positioned, the hanging columns 5 are fixed through a plurality of second screws 21, and the upper ends of the first driving rods 6 are in threaded connection with the second driving rods 12 through second bevel gear sets 20.
Install cat ladder 7 on the support crossbearer 8, hang construction platform 1 through cat ladder 7, the bayonet socket 101 card of construction platform 1 is on davit 5, and installs construction platform 1 on hanging seat 502 through a plurality of screws, simultaneously, construction platform 1 both sides support and lean on angle steel 2, make construction platform 1 stable.
A plurality of bearing plates 13 are arranged in the middle of the construction platform 1.
The stabilizing frame 16 is obliquely inserted into the clamping groove 103 of the construction platform 1, and the rotating handle 1603 is rotated to enable the rubber head 1601 to lean against the surface of the prefabricated box girder, so that the whole construction platform 1 is stabilized.
When the construction platform 1 is moved, the rubber head 1601 on the stabilizing frame 16 is loosened, the rotating disc 18 is rotated, and the rotating disc 18 drives the driving wheel 11 to slide on the prefabricated box girder, so that the movement construction is performed.
The above embodiments are only preferred embodiments of the present invention, and should not be construed as limiting the present invention, and the scope of the present invention should be defined by the claims, including the equivalents of the technical features in the claims. I.e., equivalent replacement modifications within the scope of this invention are also within the scope of the invention.
Claims (4)
1. A construction method of a prefabricated box girder wet joint attached construction platform is characterized by comprising the following steps: the construction platform comprises anchor bars (4) and angle steels (2), wherein the anchor bars (4) are used for being installed on one side of a prefabricated box girder, the angle steels (2) are arranged on the anchor bars (4) through first screws (3), one end faces of the angle steels (2) are attached to one side of the prefabricated box girder, the construction platform (1) is further arranged, the construction platform (1) is arranged between two adjacent prefabricated box girders, the lower end faces of the two sides of the construction platform (1) are respectively abutted against the upper end faces of the angle steels (2) between the two adjacent prefabricated box girders, a supporting transverse frame (8) is further arranged, the supporting transverse frame (8) is connected with the construction platform (1) through a plurality of hanging columns (5), a plurality of idler wheels are arranged on the two sides of the supporting transverse frame (8), and the construction platform (1) moves between the two adjacent prefabricated box girders through the supporting transverse frame (8);
a plurality of supporting feet (10) are arranged on the supporting transverse frame (8), idler wheels are arranged on the supporting feet (10), a bent fixing seat (501) is arranged at the upper end of the hanging column (5), a plurality of clamping rings (802) are arranged on the lower surface of the supporting transverse frame (8), the fixing seat (501) is arranged inside the clamping rings (802), a plurality of second screws (21) are further arranged, and the second screws (21) penetrate through the supporting transverse frame (8) to be in threaded connection with the fixing seat (501);
the roller comprises a driving wheel (11) and a driven wheel (14), the construction platform (1), the suspension post (5) is provided with a driving device, and the driving device is connected with the driving wheel (11);
the driving device has the structure that: the device comprises a first driving rod (6) and a second driving rod (12), wherein the first driving rod (6) is arranged on a hanging column (5) through a plurality of rotating seats, a rotating disc (18) is arranged on one side of the hanging column (5), the rotating disc (18) is connected with the first driving rod (6), the second driving rod (12) is arranged on a supporting transverse frame (8) through a plurality of rotating seats, the first driving rod (6) is connected with the second driving rod (12), and two ends of the second driving rod (12) are connected with driving wheels (11);
the rotating disc (18) is connected with the first driving rod (6) through a first bevel gear set (19), the first driving rod (6) is connected with the second driving rod (12) through a second bevel gear set (20), and two ends of the second driving rod (12) are connected with the driving wheel (11) through a transmission belt (17);
the lower end of the hanging column (5) is provided with a hanging seat (502), two sides of the construction platform (1) are provided with bayonets (101), the bayonets (101) of the construction platform (1) are clamped on the hanging column (5) and the lower end face of the construction platform (1) is abutted against the hanging seat (502), and the construction platform (1) is locked on the hanging seat (502) through a plurality of screws;
the method comprises the following steps:
s1, embedding a plurality of anchor bars (4) on a prefabricated box girder related to a railway part, wherein the anchor bars (4) are provided with angle steels (2) through first screws (3), so that one end face of each angle steel (2) is kept horizontal, and a plurality of strip-shaped angle steels (2) form a straight strip structure;
s2, firstly, installing a plurality of supporting feet (10) on a supporting transverse frame (8), then installing a second driving rod (12) on the supporting transverse frame (8), and connecting two ends of the second driving rod (12) with driving wheels (11) through driving belts (17);
s3, mounting a first driving rod (6) on the hanging column (5), wherein the lower end of the first driving rod (6) is connected with a rotating disc (18) through a first bevel gear set (19);
s4, supporting the transverse frame (8) on two adjacent prefabricated box girders, stabilizing the whole transverse frame (8), installing hanging columns (5) on two sides below the transverse frame (8), inserting fixing seats (501) of the hanging columns (5) into the clamping rings (802) to perform stable positioning, fixing the hanging columns (5) through a plurality of second screws (21), and connecting the upper ends of the first driving rods (6) with the second driving rods (12) through second bevel gear sets (20) in a threaded manner;
s5, installing a crawling ladder (7) on the supporting transverse frame (8), hanging the construction platform (1) through the crawling ladder (7), clamping the bayonet (101) of the construction platform (1) on the hanging column (5), installing the construction platform (1) on the hanging seat (502) through a plurality of screws, and enabling two sides of the construction platform (1) to abut against the angle steel (2) at the same time, so that the construction platform (1) is stable;
s6, installing a plurality of bearing plates (13) in the middle of the construction platform (1);
s7, obliquely inserting a stabilizing frame (16) on a clamping groove (103) of the construction platform (1), and rotating a rotating handle (1603) to enable a rubber head (1601) to be abutted against the surface of a prefabricated box girder so as to stabilize the whole construction platform (1);
s8, when the construction platform (1) is moved, the rubber head (1601) on the stabilizing frame (16) is loosened, the rotating disc (18) is rotated, and the rotating disc (18) drives the driving wheel (11) to slide on the prefabricated box girder so as to carry out moving construction.
2. The construction method of the prefabricated box girder wet joint attached construction platform according to claim 1, which is characterized by comprising the following steps: the middle part of the construction platform (1) is provided with a concave mounting table (102), and a plurality of bearing plates (13) are arranged on the mounting table (102);
the bearing plate (13) is a steel plate net pavement plate or a multi-layer composite plate, the composite plate comprises a bamboo plywood, the lower surface of the bamboo plywood is provided with a reinforcing framework, and the upper surface of the bamboo plywood is compounded with a fireproof plate.
3. The construction method of the prefabricated box girder wet joint attached construction platform according to claim 1, which is characterized by comprising the following steps: be equipped with cat ladder (7) on supporting crossbearer (8), supporting crossbearer (8) both sides are equipped with spout (801), still are equipped with horizontal pole (15), cat ladder (7) upper end and horizontal pole (15) sliding connection, horizontal pole (15) both ends and spout (801) sliding connection.
4. The construction method of the prefabricated box girder wet joint attached construction platform according to claim 1, which is characterized by comprising the following steps: a plurality of stabilizing frames (16) are further arranged on two sides of the construction platform (1), an inclined clamping groove (103) is formed in the construction platform (1), the stabilizing frames (16) are obliquely clamped in the clamping groove (103), a screw rod (1602) is arranged on each stabilizing frame (16), the screw rod (1602) is in threaded connection with the stabilizing frames (16), a rubber head (1601) is arranged at one end of each screw rod (1602), and a rotating handle (1603) is arranged at the other end of each screw rod;
the rubber head (1601) of the stabilizing frame (16) is abutted against the side surface of the prefabricated box girder so as to stabilize the construction platform (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111258019.2A CN113931071B (en) | 2021-10-27 | 2021-10-27 | Prefabricated box girder wet joint attached construction platform and construction method thereof |
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| CN202111258019.2A CN113931071B (en) | 2021-10-27 | 2021-10-27 | Prefabricated box girder wet joint attached construction platform and construction method thereof |
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| CN113931071A CN113931071A (en) | 2022-01-14 |
| CN113931071B true CN113931071B (en) | 2024-03-29 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205474862U (en) * | 2016-03-21 | 2016-08-17 | 中交二航局第四工程有限公司 | Wet seam template operation platform of portable case roof beam |
| CN207295493U (en) * | 2017-10-10 | 2018-05-01 | 江西省公路桥梁工程有限公司 | A kind of collapsible interior Hanging Basket of wet seam construction of highway bridge |
| CN209339007U (en) * | 2019-01-08 | 2019-09-03 | 杨臻 | A kind of collapsible interior Hanging Basket of wet seam construction of highway bridge |
| CN210946525U (en) * | 2019-10-25 | 2020-07-07 | 申丹辉 | Folding type internal hanging basket for construction of wet joint of highway bridge |
| CN111719432A (en) * | 2020-07-07 | 2020-09-29 | 中国建筑第四工程局有限公司 | Protection device for construction of T roof beam is used |
| CN213013948U (en) * | 2020-07-07 | 2021-04-20 | 刘贵 | Folding type internal hanging basket for construction of wet joint of highway bridge |
| CN216194090U (en) * | 2021-10-27 | 2022-04-05 | 中交第二航务工程局有限公司 | Wet seam attached construction platform of precast box girder |
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2021
- 2021-10-27 CN CN202111258019.2A patent/CN113931071B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205474862U (en) * | 2016-03-21 | 2016-08-17 | 中交二航局第四工程有限公司 | Wet seam template operation platform of portable case roof beam |
| CN207295493U (en) * | 2017-10-10 | 2018-05-01 | 江西省公路桥梁工程有限公司 | A kind of collapsible interior Hanging Basket of wet seam construction of highway bridge |
| CN209339007U (en) * | 2019-01-08 | 2019-09-03 | 杨臻 | A kind of collapsible interior Hanging Basket of wet seam construction of highway bridge |
| CN210946525U (en) * | 2019-10-25 | 2020-07-07 | 申丹辉 | Folding type internal hanging basket for construction of wet joint of highway bridge |
| CN111719432A (en) * | 2020-07-07 | 2020-09-29 | 中国建筑第四工程局有限公司 | Protection device for construction of T roof beam is used |
| CN213013948U (en) * | 2020-07-07 | 2021-04-20 | 刘贵 | Folding type internal hanging basket for construction of wet joint of highway bridge |
| CN216194090U (en) * | 2021-10-27 | 2022-04-05 | 中交第二航务工程局有限公司 | Wet seam attached construction platform of precast box girder |
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| CN113931071A (en) | 2022-01-14 |
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