Large-span T-beam transverse translation device

Abstract

The utility model relates to the technical field of movable beam fields, in particular to a large-span T-beam transverse translation device which comprises a main beam, a halfpace and a handrail are arranged at the bottom of the main beam, eight bearing steel box beams are arranged between the halfpace and the handrail and the main beam respectively, and every two adjacent bearing steel box beams are in threaded connection through double splice plates and delicate bolts. Front supporting legs are arranged at the tops of the halfpace and the handrails, rear supporting legs are fixedly connected to the side faces of the halfpace and the handrails, the tops of the rear supporting legs are fixedly connected with the bearing steel box girder, the rear supporting legs are of a box door type structure, jacking oil cylinders, transverse moving oil cylinders and rotating oil cylinders are installed at the tops of the rear supporting legs respectively, and inner formworks and hydraulic electric appliances are arranged on the main girder respectively. Through cooperative use of the main beam, the front supporting leg and the rear supporting leg, through-hole displacement of the supporting legs can be automatically completed by adopting an ascending type movable beam field, other auxiliary crane equipment on the ground is not needed, the mechanization degree is high, operation is easy, and safety and reliability are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mobile beam field technical field, concretely is a kind of large-span T beam transverse translation device. BACKGROUND

[0002] Mobile beam field is a kind of movable track steel shed, for beam field peripheral equipment field, mobile beam field refers to the factory of railway engineering production prefabricated concrete beam, it is the place of production bridge prefabricated concrete simply supported beam, after simply supported beam is produced in site, it is transported and erected to pier by beam transport machine and beam erecting machine, mobile beam field needs to use transverse translation device to assist work in the process of use.

[0003] There is still certain deficiency in the process of using existing translation device:

[0004] 1, main beam is not convenient to realize lifting and longitudinal movement, this defect limits the application of translation device under complex terrain or space limited condition, main beam often relies on complex mechanical structure to realize lifting and longitudinal movement, which not only increases the manufacturing cost of device, but also reduces its reliability and maintenance convenience.

[0005] 2, it is not convenient to use in different areas, especially when facing complex and changeable terrain conditions, existing translation device often appears to be unable to cope with the situation, due to the complex and large structure of device, its operation on narrow or irregular terrain becomes extremely difficult. UTILITY MODEL CONTENT

[0006] The utility model aims at providing a kind of large-span T beam transverse translation device to solve the above background art that main beam is not convenient to realize lifting and longitudinal movement, this defect limits the application of translation device under complex terrain or space limited condition, main beam often relies on complex mechanical structure to realize lifting and longitudinal movement, which not only increases the manufacturing cost of device, but also reduces its reliability and maintenance convenience, it is not convenient to use in different areas, especially when facing complex and changeable terrain conditions, existing translation device often appears to be unable to cope with the situation, due to the complex and large structure of device, its operation on narrow or irregular terrain becomes extremely difficult.

[0007] To achieve the above object, the utility model provides the following technical scheme:

[0008] The utility model provides a large -span T beam transverse translation device, the bottom of main beam is provided with ladder and railing, the ladder and railing and main beam are separately provided with eight section load -bearing steel box girder, and are connected through double splicing plate and exquisite bolt screw thread between two adjacent load -bearing steel box girder, the top of ladder and railing is provided with front outrigger, and the top of front outrigger is installed with horizontal moving oil cylinder and jacking oil cylinder respectively, and the telescopic portion of horizontal moving oil cylinder and jacking oil cylinder is fixedly connected with load -bearing steel box girder respectively, the side of ladder and railing is fixedly connected with rear outrigger, and the top of rear outrigger is fixedly connected with load -bearing steel box girder, and the shape of rear outrigger is box door type structure, and the top of rear outrigger is installed with jacking oil cylinder, horizontal moving oil cylinder and rotary oil cylinder respectively, and main beam is provided with inner formwork and hydraulic pressure and electric appliance respectively.

[0009] As the preferred scheme of the utility model, the side of the main beam is fixedly connected with a longitudinal movement auxiliary outrigger, the longitudinal movement auxiliary outrigger is in a box type structure C type structure, and the longitudinal movement auxiliary outrigger is composed of an outrigger stand, a longitudinal movement mechanism and a jacking hydraulic system.

[0010] As the preferred scheme of the utility model, the side of the main beam is fixedly connected with an outer formwork, the side of the outer formwork is fixedly connected with a cantilever beam crane arm and a track and a rear suspension.

[0011] As the preferred scheme of the utility model, the outer formwork is composed of a bottom die, a side die, a wing die, a pier top loose die and an end die, and the end die is located at the bottom of the cantilever beam crane arm and the track and the rear suspension.

[0012] As the preferred scheme of the utility model, the top of the ladder and the railing is fixedly connected with a bottom die frame and a boom, the top of the bottom die frame and the boom is fixedly connected with the bottom of the load -bearing steel box girder, the side of the main beam is fixedly connected with a side die frame, and the side die frame is integrally connected by a main truss and a connecting truss.

[0013] As the preferred scheme of the utility model, the top chord of the bottom die frame and the boom is hung on the lower chord node of the side die frame through a hanging wheel, two outermost nodes of the top chord are provided with hanging rollers, and the hanging rollers are slidably connected with the lower chord of the side die frame.

[0014] As the preferred scheme of the utility model, the bottom of the main beam is provided with a steel cage tire vehicle, a hoisting hoist and a hoisting hoist, the bottom of the main beam is provided with a steel cage hoist, the steel cage hoist is longitudinally moved to the bottom die through the hoisting hoist and falls.

[0015] As the preferred scheme of the utility model, the material of the main beam, the front outrigger and the rear outrigger is steel, and the material of the load -bearing steel box girder is Q355B steel.

[0016] Compared with the prior art, the utility model has the beneficial effects that:

[0017] 1. The utility model discloses a main beam, front support leg and rear support leg are used in cooperation, and the uplink type mobile beam field can complete the displacement of support leg hole by itself, does not need other auxiliary hoist equipment on the ground, and the degree of mechanization is high, simple operation, safe and reliable, the roof of the roof beam of the both sides of main beam is provided with rain -proof, sunscreen, can guarantee the mobile beam field all -weather work, can bind the reinforcement of the box girder of the next hole at the same time when pouring concrete box girder, greatly improves the construction efficiency, shortens the construction period, when through the continuous beam or continuous steel structure etc. bridge, only needs to unfold side mould frame and bottom mould, can conveniently pass through, reduces the workload of whole machine dismantling, improves the operation efficiency of transfer operation.

[0018] 2. The utility model discloses a main beam and roof beam crane arm and track are used in cooperation, and the main beam, roof beam and crane arm adopt symmetrical design principle, only need to exchange the guide beam of front end and the tail beam of rear end and the reinforcement cage binding trolley and binding hoist, change the installation position of front and rear support leg, can satisfy the requirement of two -way construction, and the main beam and support leg structure of mobile beam field do not need to be reconstructed and can satisfy 32m, 24m double -line high whole hole box girder's cast -in -situ construction, and the comprehensive utilization rate is high, is very suitable for mountainous area bridge, tunnel, pavement interval construction, when the mobile beam field needs to pass through the tunnel, the main structure does not need to be disassembled and can pass through the tunnel, reduces the dismantling workload of equipment transfer, can conveniently complete the cast -in -situ construction of tunnel import and last span tunnel export first span. ACCURACY OF DRAWINGS

[0019] Figure 1 It is the whole structure schematic diagram of the utility model;

[0020] Figure 2 It is the section structure schematic diagram of the utility model in the combined mould pouring state;

[0021] Figure 3 It is the section structure schematic diagram of the utility model when the reinforcement cage passes through the longitudinal displacement auxiliary support leg;

[0022] Figure 4 It is the rear support leg structure schematic diagram of the utility model;

[0023] Figure 5 It is the section structure schematic diagram of the utility model when the reinforcement cage enters the mould;

[0024] Figure 6 It is the section structure schematic diagram of the utility model in the front support leg and the hole passing state of opening mould.

[0025] In the drawing: 1, main beam; 2, front support leg; 3, rear support leg; 4, longitudinal displacement auxiliary support leg; 5, roof beam crane arm and track and rear suspension; 6, outer formwork; 7, bottom mould frame and suspender; 8, side mould frame; 9, inner formwork; 10, reinforcement cage hoist; 11, reinforcement cage trolley; 12, hydraulic pressure and electric appliance; 13, ladder stand and railing. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without any creative work under the premise that the embodiments of the present application are within the scope of protection of the present application.

[0027] Embodiments, please refer to Figures 1-6 The present application provides a technical solution:

[0028] A large-span T-beam transverse translation device, comprising a main beam 1, the bottom of the main beam 1 is provided with a ladder and a railing 13, the ladder and the railing 13 and the main beam 1 are respectively provided with eight load-bearing steel box beams, two adjacent load-bearing steel box beams are connected through double splicing plates and fine bolts, the top of the ladder and the railing 13 is provided with a front leg 2, the top of the front leg 2 is respectively provided with a transverse moving oil cylinder and a jacking oil cylinder, the telescopic parts of the transverse moving oil cylinder and the jacking oil cylinder are respectively fixedly connected with the load-bearing steel box beam, the side surface of the ladder and the railing 13 is fixedly connected with a rear leg 3, the top of the rear leg 3 is fixedly connected with the load-bearing steel box beam, the shape of the rear leg 3 is a box door type structure, the top of the rear leg 3 is respectively provided with a jacking oil cylinder, a transverse moving oil cylinder and a rotating oil cylinder, the main beam 1 is respectively provided with an inner formwork 9 and a hydraulic and electrical device 12, the upper chord of the bottom frame and the boom 7 is hung on the lower chord node of the side frame 8 through a hanging wheel, the outermost two nodes of the upper chord are provided with hanging rollers, and the hanging rollers are slidingly connected with the lower chord of the side frame 8.

[0029] In this embodiment, as Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6As shown, the side of the main beam 1 is fixedly connected with the longitudinal auxiliary leg 4, the shape of the longitudinal auxiliary leg 4 is box type structure C type structure, the longitudinal auxiliary leg 4 is composed of leg column, longitudinal moving mechanism and jacking hydraulic system, the side of the main beam 1 is fixedly connected with the outer formwork 6, the side of the outer formwork 6 is fixedly connected with the cantilever arm and track and post-hanging bracket 5, the outer formwork 6 is composed of bottom die, side die, wing die, pier top scattered die and end die, the end die is located at the bottom of the cantilever arm and track and post-hanging bracket, the top of the ladder and railing 13 is fixedly connected with the bottom die frame and boom 7, the top of the bottom die frame and boom 7 is fixedly connected with the bottom of the bearing steel box girder, the side of the main beam 1 is fixedly connected with the side die frame 8, the side die frame 8 is connected into a whole by main truss and connecting truss, the bottom of the main beam 1 is provided with the reinforcement cage trolley 11, hoisting hoist and hoisting hoist, the bottom of the main beam 1 is provided with the reinforcement cage hoist 10, the reinforcement cage hoist 10 is longitudinally moved to the bottom die through the hoisting hoist and falls, the material of the main beam 1, the front leg 2 and the rear leg 3 is steel, and the material of the bearing steel box girder is Q355B steel.

[0030] The utility model discloses a working procedure: the structure of large-span T beam horizontal translation device designed by the scheme is used in working, and the main beam 1 can realize lifting and longitudinal movement under the action of supporting oil cylinder and supporting roller wheel box, the action of opening and closing of the bottom mould frame is completed under the action of mould frame opening mechanism, the mould frame is hung in the bottom surface of main box beam through the cantilever beam, the lifting arm and the suspender, the pre-camber of the formwork is adjusted by adjustable strut, the linear elevation of beam bottom is adjusted according to the design requirement, after the box girder tensioning is finished, the pier top scattered mould and pier top side mould counter-pulling measure are removed, the suspender is removed, the longitudinal and horizontal connecting bolts of the bottom mould and side mould are removed, the mould frame horizontal butt joint bolt is removed, the auxiliary supporting leg oil cylinder is stretched out and is tightly contacted with the bridge surface, the rear supporting leg oil cylinder is retracted and is spaced, and is hung and moves forward to the specified position, the auxiliary supporting leg and the front supporting leg supporting oil cylinder are retracted, the whole machine is lowered by 0.20m, the bottom mould frame is transversely opened and is temporarily locked, and the first time is prepared to move forward through the hole, the front supporting leg is hung and moves forward to the specified position of the front pier top after being spaced, and is installed, and the vertical column and the pier top temporary diagonal pull rod are tensioned, and are locked with the pier top embedded part, after checking and confirming that there is no error, the rear supporting leg and the rear auxiliary supporting leg oil cylinder are retracted by 0.1m, the second time is prepared to move forward through the hole, the longitudinal movement mechanism of the bridge building machine is started, the whole machine moves forward by 22m and is in place, the bottom mould frame is closed, the connecting bolt between the left and right mould frames is connected, the front and longitudinal movement auxiliary supporting leg 4 oil cylinder is lifted by 0.2m to the working state and is locked, the rear supporting leg unlocking oil cylinder is spaced and moves forward by 32.7m and is transversely rotated by 90 DEG and is fixed, the longitudinal movement mechanism of the rear part of the bridge building machine steel reinforcement cage mould frame is started, the whole body moves forward to the rear auxiliary supporting leg 0.1m, the steel reinforcement cage lifting appliance walks 2.2m, the 1st hoist and the 1st lifting point are connected, and the corresponding lifting appliance and the corresponding lifting point are connected one by one in turn, the steel reinforcement cage and the inner mould move forward by 0.75m from the rear auxiliary supporting leg, the steel reinforcement cage is lowered by 0.05m from the beam surface, the steel reinforcement cage moves forward by 2m and is in place, the steel reinforcement cage is lowered and is in place, the lifting appliance returns to the rear part of the steel reinforcement cage mould frame in reverse, the mould frame is longitudinally moved to the appropriate position and is lifted by 1.5m, the next hole steel reinforcement cage is bound, the rear supporting leg is rotated and is lowered and is longitudinally moved by 32.7m in reverse, the oil cylinder is stretched out and is tightly contacted with the bridge surface and the corbel, the rear auxiliary supporting leg is retracted to support the beam surface, the suspender is installed and is adjusted, the formwork is measured and is adjusted, the front supporting leg vertical column temporary diagonal pull rod is removed, the box girder concrete is poured and is cured, the concrete is cured to the tensioning strength, the prestress tensioning operation is carried out, the working condition is sequentially followed, and the operation is repeated.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A transverse translation device for a large-span T-beam, comprising a main beam (1), characterized in that: The bottom of the main beam (1) is provided with a platform and railing (13). Eight load-bearing steel box beams are respectively provided between the platform and railing (13) and the main beam (1). Two adjacent load-bearing steel box beams are connected by double splicing plates and fine bolt threads. The top of the platform and railing (13) is provided with a front support leg (2). The top of the front support leg (2) is respectively equipped with a horizontal movement cylinder and a lifting cylinder. The telescopic parts of the horizontal movement cylinder and the lifting cylinder are respectively fixedly connected to the load-bearing steel box beam. The side of the platform and railing (13) is fixedly connected with a rear support leg (3). The top of the rear support leg (3) is fixedly connected to the load-bearing steel box beam. The shape of the rear support leg (3) is a box door structure. The top of the rear support leg (3) is respectively equipped with a lifting cylinder, a horizontal movement cylinder and a rotating cylinder. The main beam (1) is respectively provided with an inner template (9) and hydraulic and electrical components (12).

2. The transverse translation device for a large-span T-beam according to claim 1, characterized in that, The main beam (1) is fixedly connected to a longitudinal auxiliary support leg (4) on its side. The longitudinal auxiliary support leg (4) is a box-type C-shaped structure. The longitudinal auxiliary support leg (4) consists of a support column, a longitudinal movement mechanism and a lifting hydraulic system.

3. The transverse translation device for a large-span T-beam according to claim 1, characterized in that, The side of the main beam (1) is fixedly connected to an outer formwork (6), and the side of the outer formwork (6) is fixedly connected to a cantilever boom, a track, and a rear suspension (5).

4. The transverse translation device for a large-span T-beam according to claim 3, characterized in that, The outer formwork (6) consists of a bottom formwork, side formwork, wing formwork, pier top formwork and end formwork, with the end formwork located at the bottom of the cantilever beam boom, track and rear suspension.

5. The transverse translation device for a large-span T-beam according to claim 1, characterized in that, The top of the platform and railing (13) is fixedly connected to the bottom formwork frame and the hanging rod (7). The top of the bottom formwork frame and the hanging rod (7) is fixedly connected to the bottom of the load-bearing steel box girder. The side of the main beam (1) is fixedly connected to the side formwork frame (8). The side formwork frame (8) is formed by connecting the main truss and the connecting truss.

6. The transverse translation device for a large-span T-beam according to claim 5, characterized in that, The upper chord of the bottom mold frame and the hanging rod (7) is suspended on the lower chord node of the side mold frame (8) by the hanging wheels. The two outermost nodes of the upper chord are provided with hanging rollers, and the hanging rollers are slidably connected to the lower chord of the side mold frame (8).

7. The transverse translation device for a large-span T-beam according to claim 1, characterized in that, The bottom of the main beam (1) is provided with a steel cage trolley (11), a hoisting device and a hoisting hoist. The bottom of the main beam (1) is provided with a steel cage hoisting device (10). The steel cage hoisting device (10) is moved longitudinally to the bottom formwork by the hoisting hoisting device.

8. The transverse translation device for a large-span T-beam according to claim 1, characterized in that, The main beam (1), front support leg (2) and rear support leg (3) are all made of steel, and the load-bearing steel box girder is made of Q355B steel.

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