A quick-disassembly platform for the cast-in-place floor slab of a high-speed railway station building

Abstract

The present invention relates to a quick-disassembly platform for a cast-in-place floor slab of a high-speed railway station building, which includes: a branch truss platform assembly, which is arranged at intervals left and right and at intervals front and back to form a branch truss platform assembly arranged in a cross-shaped area, and then corresponding branch truss platform assemblies are arranged on the assembly areas divided by the cross-shaped area, and a reserved filling space is provided between the branch truss platform assemblies in the assembly area and the branch truss platform assemblies in the cross-shaped area; it includes a top truss and early-disassembly support steel columns fixed at the four corner positions of the top truss, and socket discs are fixedly sleeved on the early-disassembly support steel columns; a filling truss platform assembly, which is arranged between the spaced branch truss platform assemblies, and includes a filling truss and plug heads fixed at both ends of the upper and lower chords of the filling truss, and the plug heads are inserted into the socket discs. After forming a cross-shaped framework first in the present invention, other truss units are assembled one by one, which is beneficial to constructing a truss platform with a larger specification and is not restricted by the track.

Description

Technical Field

[0001] The present invention relates to the field of building construction, and particularly to a quick-disassembly platform for the cast-in-place floor slab of a high-speed railway station building. Background Art

[0002] The waiting hall floor of a large high-speed railway station building is usually an open space on a whole floor, and the cast-in-place floor slab adopted has a large specification. For example, in the Chinese invention patent application publication number: CN 104895314 A, a truss platform for the concrete construction of a high and large space roof slab; it includes truss support iron parts, on which steel corbels are fixedly connected, rails are installed on the steel corbels, a steel structure truss is installed on the rails, the steel structure truss can slide on the rails, a backing plate is laid on the steel structure truss, and a full hall row of scaffolds, support purlins and formwork are erected on the backing plate. It is a whole truss platform that moves along the rails to pour concrete in the construction area one by one. The specification of the truss platform is limited by the rails on both sides, and the bending moment in the middle of the large truss platform is large, which is not conducive to being supported only by the rails on both sides. Summary of the Invention

[0003] The purpose of the present invention is to provide a quick-disassembly platform for the cast-in-place floor slab of a high-speed railway station building, which is beneficial to forming a cross-shaped framework in the truss platform and is conducive to assembly. After forming the cross-shaped framework first, then assembling other truss units one by one. Multiple cross-shaped truss platforms are arranged according to grid points, and then other truss platforms and filling rods are assembled, which is beneficial to constructing a truss platform with a larger specification without being restricted by the rails. Since the entire large truss platform is assembled by multiple small truss platforms, the span of the small truss platforms is small, thus avoiding the situation of too large bending moment in the middle of the large truss platform.

[0004] In order to achieve the above purpose, a quick-disassembly platform for the cast-in-place floor slab of a high-speed railway station building is adopted, which includes:

[0005] Branch truss platform components, which are arranged at intervals left and right and front and back to form branch truss platform components arranged in a cross-shaped area, and then arranging corresponding branch truss platform components on the assembly area divided by the cross-shaped area. There is a reserved filling space between the branch truss platform components in the assembly area and those in the cross-shaped area; it includes a top truss and early-disassembly support steel columns fixed at the four corner positions of the top truss, and socket discs are fixedly sleeved on the early-disassembly support steel columns.

[0006] Filling truss platform components, which are arranged between the spaced branch truss platform components, and include a filling truss and plug pins fixed at both ends of the upper and lower chords of the filling truss, and the plug pins are inserted into the socket discs.

[0007] With such a structure, the branch truss platform components are connected through the patch truss platform components to form a cross-shaped framework, and then other branch truss platform components are assembled one by one on the cross-shaped framework, which is beneficial to improving the assembly efficiency. The pin head is inserted into the disk buckle, which is beneficial to the rapid assembly of the patch truss. After the branch truss platform components are disassembled from the early-disassembly support steel column, they can also be transported by a lifting and handling vehicle.

[0008] As a further improvement of the present invention, a cross brace is provided between the upper and lower chord members of the patch truss.

[0009] With such a structure, the cross brace is beneficial to ensuring the overall stability of the patch truss.

[0010] As a further improvement of the present invention, the cross brace includes inclined web members that intersect with each other. The middle of the inclined web members is sleeved with a first positioning sleeve, and the adjacent two first positioning sleeves are connected by a pin shaft; both ends of the inclined web members are hinged with lugs; the lugs are fixed on the second positioning sleeve, and the second positioning sleeve is slidably connected to the upper chord member and the lower chord member and moves to a position close to the pin head.

[0011] With such a structure, the adjacent two first positioning sleeves are connected by a pin shaft and can rotate, which is beneficial to adjusting the distance between the upper and lower chord members, so that the pin head can be flexibly inserted into the disk buckle to adapt to disk buckles of different heights. After the second positioning sleeve slides, it can abut against the disk buckle to form a clamping force on the disk buckle. The disk buckle provides a limiting function to prevent further sliding of the second positioning sleeve, so that the cross brace forms a stable structure.

[0012] As a further improvement of the present invention, a quick-disassembly platform lifting mechanism is provided at the lower end of the early-disassembly support steel column. The quick-disassembly platform lifting mechanism includes:

[0013] A steel frame bearing platform, which is assembled by a Bailey truss;

[0014] A drop-off support, which is installed on the bottom surface of the middle part of the steel frame bearing platform;

[0015] A steel frame, which is installed on the upper part of the middle part of the steel frame bearing platform;

[0016] A first hydraulic jack, which is installed in the steel frame. Its bottom is installed on the upper part of the middle part of the steel frame bearing platform, and its piston end is installed with the early-disassembly support steel column;

[0017] A screw jack, which is installed at the four corners of the steel frame bearing platform; its lifting rod passes through the steel frame bearing platform downward and is installed with a positioning foot;

[0018] A driving wheel assembly, which is installed at the four corners of the steel frame bearing platform and is spaced from the lifting rod.

[0019] With such a structure, the quick-disassembly platform lifting mechanism is beneficial to driving the movement and lifting of the branch truss platform components, and is beneficial to the flexible assembly between the branch truss platform components.

[0020] As a further improvement of the present invention, the unloading support includes: a base plate installed on the bottom surface of the steel frame bearing platform;

[0021] an upper support installed under the base plate;

[0022] a lower support spaced below the upper support,

[0023] a T-shaped groove opened on the wedge-shaped surfaces of the upper support and the lower support;

[0024] a left support and a right support, which are slidably assembled between the upper support and the lower support and slidably installed on the left and right wedge-shaped surfaces of the upper support and the lower support;

[0025] T-shaped sliders fixed to the bottom surfaces of the left support and the right support and slidably adapted to the T-shaped grooves;

[0026] a reaction frame installed in pairs on the bottom surface of the steel frame bearing platform and spaced from the left support and the right support respectively;

[0027] second hydraulic jacks installed in pairs on the reaction frame, with the opposite piston ends facing the left support and the right support respectively;

[0028] thrust blocks installed at the piston ends of the second hydraulic jacks;

[0029] universal balls installed on the front and back surfaces of the thrust blocks, and the universal balls installed on the front surface of the thrust block abut against the left support and the right support;

[0030] concave slide rails installed on the back surfaces of the left support and the right support and penetrated by the thrust blocks, and the universal balls installed on the back surface of the thrust block abut against the concave slide rails.

[0031] With such a structure, through the telescopic movement of the second hydraulic jacks, the left support and the right support can be driven to move along the wedge-shaped surfaces of the upper support and the lower support, so as to lift or unload the lower support, enabling the lower support to be away from and in contact with the ground; in cooperation with the steel frame bearing platform, the central load of the steel frame bearing platform is transmitted to the ground, and at the same time, it undertakes the role of resisting the central bending moment of the steel frame bearing platform.

[0032] As a further improvement of the present invention, a backing plate is installed on the bottom surface of the lower support.

[0033] With such a structure, the backing plate is beneficial to expanding the stress area of the rigid ground.

[0034] As a further improvement of the present invention, the concave slide rails are arranged side by side at intervals, and the piston ends of the second hydraulic jacks penetrate between the two concave slide rails, and the concave slide rails penetrate between the concave slide rails and the left support and between the concave slide rails and the right support by the thrust blocks;

[0035] A transverse J-shaped fixing bracket is installed on the back of the concave slide rail. One end of the J-shaped fixing bracket is fixed to the backs of the left support and the right support, and the other end is fixed to the back of the concave slide rail.

[0036] A triangular bracket is fixed at the corner of the J-shaped fixing bracket.

[0037] The pushing block is in the shape of a stepped frustum of a cone.

[0038] With such a structure, the second hydraulic jack can stably drive the left support and the right support to move; the J-shaped fixing bracket can strengthen the concave slide rail and prevent the concave slide rail from bending; the triangular bracket is beneficial to stabilizing the corner part; the pushing block is in the shape of a stepped frustum of a cone, which is convenient for installing the front and back universal balls and provides enough installation space for the front and back universal balls.

[0039] As a further improvement of the present invention, the driving wheel assembly includes a first base. A wheel rod is rotatably installed on the bottom surface of the first base. A wheel frame is installed on the bottom surface of the wheel rod. Bearings are installed in the two side plates of the wheel frame. An axle is inserted through the bearings. A wheel is fixedly connected to the axle; a second base is installed outside one side plate of the wheel frame. A first reduction motor is installed below the second base. The output end of the first reduction motor is coaxially fixedly connected to the axle.

[0040] With such a structure, the first reduction motor drives the wheel to rotate, enabling the steel frame bearing platform to move as a whole, which is beneficial for moving to a designated position.

[0041] As a further improvement of the present invention, a driven gear is fixedly sleeved on the wheel rod; the driven gear meshes with a driving gear; the driving gear is fixedly sleeved on the output end of a second reduction motor. The second reduction motor is installed on a third base, and the third base is installed on the bottom surface of the steel frame bearing platform.

[0042] With such a structure, after the second reduction motor is started, the wheel can be turned.

[0043] As a further improvement of the present invention, a threaded telescopic tube is arranged between the pin head and the second positioning sleeve. The threaded telescopic tube is slidably sleeved on the upper and lower chord members of the patch truss.

[0044] With such a structure, the threaded telescopic tube rotates and extends or shortens through threaded connection to control the abutting position of the cross bracing, which is beneficial for improving the overall stability.

[0045] The construction method of the present invention includes the following steps:

[0046] S1: Construct a plane control grid, divide the construction sections, configure two complete quick-disassembly platforms on the first and second construction sections, and configure a cross-shaped quick-disassembly platform on the third construction section. The complete quick-disassembly platform is assembled from the cross-shaped quick-disassembly platform and the branch truss platform components in other assembly areas. The cross-shaped quick-disassembly platform itself is also assembled from the branch truss platform components. The branch truss platform components are arranged longitudinally and transversely according to the plane control grid, and the truss is filled at the intervals between adjacent two branch truss platform components to achieve assembly.

[0047] S2: Construct the first and second construction sections in sequence. After the formwork of the floor slab concrete is poured and cured, cure the concrete in the first construction section until the concrete strength reaches the preset percentage of the design strength. Retain the branch truss platform components that form the cross-shaped quick-disassembly platform in the first construction section, and transfer the branch truss platform components in other assembly areas from the first construction section to the third construction section; assemble them with the cross-shaped quick-disassembly platform configured on the third construction section to form a complete quick-disassembly platform, and then carry out formwork, pouring and curing of the concrete in the third construction section. The reserved filling space between the quick-disassembly platform in the third construction section and the quick-disassembly platform in the second construction section forms a post-cast strip. After filling the truss, pour the concrete to merge the concrete on the third and second construction sections.

[0048] S3: Wait until the concrete strength in the first construction section reaches 100% of the design strength; transfer the cross-shaped quick-disassembly platform in the first construction section to the fourth construction section. Wait until the concrete strength in the second construction section reaches the preset percentage of the design strength. Retain the cross-shaped quick-disassembly platform in the second construction section, and transfer the branch truss platform components in other assembly areas from the second construction section to the fourth construction section to form a complete quick-disassembly platform with the cross-shaped quick-disassembly platform transferred from the first construction section. Then carry out formwork, pouring and curing of the concrete. The reserved filling space between the quick-disassembly platform in the fourth construction section and the quick-disassembly platform in the third construction section forms a post-cast strip. After filling the truss, pour the concrete to merge the concrete on the fourth and third construction sections.

[0049] S4: According to the construction steps of S2 - S3, complete the construction of subsequent construction sections.

[0050] The present invention is conducive to forming the cross-shaped framework in the truss platform, which is conducive to assembly. After forming the cross-shaped framework first, then assemble other truss units one by one. Multiple cross-shaped truss platforms are arranged according to the grid points, and then assemble other truss platforms and fill the connecting members, which is conducive to constructing a larger-scale truss platform without being restricted by the track. Since the entire large truss platform is assembled from multiple small truss platforms and the span of the small truss platform is small, it can avoid the situation of excessive bending moment in the middle of the large truss platform. Description of the Drawings

[0051] Figure 1 It is a schematic structural diagram of the embodiment.

[0052] Figure 2 It is an elevation view of the assembly of the branch truss platform components.

[0053] Figure 3 It is an enlarged schematic diagram of the flexible scissors brace part.

[0054] Figure 4 It is an installation schematic diagram of the threaded telescopic pipe.

[0055] Figure 5 It is an enlarged schematic diagram of the fixed scissors brace part.

[0056] Figure 6 It is a schematic diagram of the quick-disassembly platform lifting mechanism.

[0057] Figure 7 It is a schematic diagram of the drop-off support.

[0058] Figure 8 It is an installation schematic diagram of the second hydraulic jack.

[0059] Figure 9 It is a structural schematic diagram of the drive wheel assembly.

[0060] Figure 10 It is an installation schematic diagram of the second reduction motor.

[0061] Figure 11 It is a schematic diagram of flow construction.

[0062] Reference numerals: 1. Branch truss platform components; 101. Top truss; 102. Early demolition support steel column; 103. Screw button.

[0063] 2. Filling truss platform components; 201. Filling truss; 202. Plug head.

[0064] 203. Scissors brace; 2031. Diagonal web member; 2032. First positioning sleeve; 2033. Lug; 2034. Second positioning sleeve.

[0065] 204. Threaded telescopic pipe.

[0066] 3. Steel frame bearing platform; 301. Bailey truss.

[0067] 4. Drop-off support; 401. Base plate; 402. Upper support; 403. Lower support; 404. T-shaped groove; 405. Left support; 406. Right support; 407. T-shaped slider; 408. Reaction frame; 409. Second hydraulic jack; 410. Thrust block; 411. Universal ball; 412. Concave slide rail; 413. Base plate; 414. J-shaped fixing bracket; 415. Tripod.

[0068] 5. Steel frame, 6. First hydraulic jack.

[0069] 7. Turbo screw lift; 701. Lifting rod; 702. Positioning foot;

[0070] 8. Driving wheel assembly; 801. First base; 802. Wheel rod; 803. Wheel frame; 804. Side plate; 805. Bearing; 806. Axle; 807. Wheel; 808. Second base; 809. First reduction motor; 810. Driven gear; 811. Driving gear; 812. Second reduction motor; 813. Third base. Detailed implementation manner

[0071] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present invention.

[0072] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention; the terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance; in addition, unless otherwise clearly defined and limited, the terms "installation", "connection", "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0073] Embodiment 1

[0074] As Figures 1 - 11 shown, a quick-disassembly platform for the cast-in-place floor of a high-speed railway station house includes:

[0075] The branch truss platform assembly 1 is arranged at intervals left and right and front and back to form a branch truss platform assembly 1 arranged in a cross-shaped area. Then, the corresponding branch truss platform assemblies 1 are arranged on the assembly areas divided by the cross-shaped area, and an insertion and filling space is reserved between the branch truss platform assemblies 1 in the assembly area and the branch truss platform assemblies 1 in the cross-shaped area. It includes a top truss 101 and early demolition support steel columns 102 fixed at the four corners of the top truss 101. Socket couplings 103 are fixedly sleeved on the early demolition support steel columns 102.

[0076] The insertion and filling truss platform assembly 2 is arranged between the spaced branch truss platform assemblies 1. It includes an insertion and filling truss 201 and socket heads 202 fixed at both ends of the upper and lower chords of the insertion and filling truss 201. The socket heads 202 are inserted on the socket couplings 103.

[0077] With such a structure, the branch truss platform assemblies 1 are connected by the insertion and filling truss platform assembly 2 to form a cross-shaped framework, and then other branch truss platform assemblies 1 are assembled one by one on the cross-shaped framework, which is beneficial to improving the assembly efficiency. The socket heads 202 are inserted on the socket couplings 103, which is beneficial to the rapid assembly of the insertion and filling truss 201.

[0078] In this embodiment, a cross bracing 203 is arranged between the upper and lower chords of the insertion and filling truss 201.

[0079] With such a structure, the cross bracing 203 is beneficial to ensuring the overall stability of the insertion and filling truss 201.

[0080] In this embodiment, the cross bracing 203 includes diagonal web members 2031 that cross each other. A first positioning sleeve 2032 is sleeved in the middle of the diagonal web members 2031, and the adjacent two first positioning sleeves 2032 are connected by a pin shaft. The two ends of the diagonal web members 2031 are hinged with lug ears 2033. The lug ears 2033 are fixed on a second positioning sleeve 2034, and the second positioning sleeve 2034 is slidably connected to the upper chord and the lower chord and moves to a position close to the socket head 202.

[0081] With such a structure, the two first positioning sleeves 2032 are connected by a pin shaft and can rotate, which is beneficial to adjusting the distance between the upper and lower chords so that the socket head 202 can be flexibly inserted into the socket coupling 103 to adapt to socket couplings 103 of different heights. After the second positioning sleeve 2034 slides, it can abut against the socket coupling 103 to form a clamping force on the socket coupling 103. The socket coupling 103 provides a limiting function to prevent the further sliding of the second positioning sleeve 2034, so that the cross bracing 203 forms a stable structure.

[0082] In this embodiment, a quick-disassembly platform lifting mechanism is arranged at the lower end of the early demolition support steel column 102. The quick-disassembly platform lifting mechanism includes:

[0083] The steel frame bearing platform 3 is assembled by the Bailey frame 301;

[0084] The dropping support 4 is installed on the bottom surface of the middle part of the steel frame bearing platform 3;

[0085] The steel frame 5 is installed on the upper part of the middle of the steel frame bearing platform 3;

[0086] The first hydraulic jack 6 is installed in the steel frame 5, its bottom is installed on the upper part of the middle of the steel frame bearing platform 3, and its piston end is installed on the early demolition support steel column 102;

[0087] The screw jack 7 is installed at the four corners of the steel frame bearing platform 3; the lower end of its lifting rod 701 passes through the steel frame bearing platform 3 and the positioning foot 702 is installed;

[0088] The driving wheel assembly 8 is installed at the four corners of the steel frame bearing platform 3 and is spaced from the lifting rod 701.

[0089] With such a structure, the quick-disassembly platform lifting mechanism is beneficial to driving the branch truss platform assembly 1 to move and lift, and is beneficial to the flexible assembly between the branch truss platform assemblies 1.

[0090] In this embodiment, the dropping support 4 includes: a base plate 401, which is installed on the bottom surface of the steel frame bearing platform 3;

[0091] The upper support 402 is installed under the base plate 401;

[0092] The lower support 403 is spaced below the upper support 402,

[0093] The T-shaped groove 404 is opened on the wedge-shaped surfaces of the upper support 402 and the lower support 403;

[0094] The left support 405 and the right support 406 are slidably assembled between the upper support 402 and the lower support 403, and are slidably installed on the left and right wedge-shaped surfaces of the upper support 402 and the lower support 403;

[0095] The T-shaped slider 407 is fixed to the bottom surfaces of the left support 405 and the right support 406 and is slidably adapted to the T-shaped groove 404;

[0096] The reaction frame 408 is installed in pairs on the bottom surface of the steel frame bearing platform 3; and is spaced from the left support 405 and the right support 406 respectively;

[0097] The second hydraulic jack 409 is installed in pairs on the reaction frame 408, and the opposite piston ends face the left support 405 and the right support 406 respectively;

[0098] The jacking block 410 is installed at the piston end of the second hydraulic jack 409;

[0099] The universal balls 411 are installed on the front and back sides of the pushing block 410. The universal balls 411 installed on the front side of the pushing block 410 abut against the left support 405 and the right support 406;

[0100] The concave slide rails 412 are installed on the back sides of the left support 405 and the right support 406 and are penetrated by the pushing block 410. The universal balls 411 installed on the back side of the pushing block 410 abut against the concave slide rails 412.

[0101] With such a structure, through the telescopic movement of the second hydraulic jack 409, the left support 405 and the right support 406 can be driven to move along the wedge-shaped surfaces of the upper support 402 and the lower support 403, so as to lift or remove the lower support 403, enabling the lower support 403 to move away from and contact the ground; cooperating with the steel frame bearing platform 3, the middle load of the steel frame bearing platform 3 is transmitted to the ground, and at the same time, it undertakes the role of resisting the middle bending moment of the steel frame bearing platform 3.

[0102] In this embodiment, a backing plate 413 is installed on the bottom surface of the lower support 403.

[0103] With such a structure, the backing plate 413 is beneficial to expanding the stress area of the rigid ground.

[0104] In this embodiment, the concave slide rails 412 are arranged side by side at intervals. The piston end of the second hydraulic jack 409 extends between the two concave slide rails 412. The pushing block 410 extends between the concave slide rail 412 and the left support 405, and also between the concave slide rail 412 and the right support 406;

[0105] A transverse J-shaped fixing frame 414 is installed on the back of the concave slide rail 412. One end of the J-shaped fixing frame 414 is fixed to the back of the left support 405 and the right support 406, and the other end is fixed to the back of the concave slide rail 412;

[0106] A triangular frame 415 is fixed at the corner of the J-shaped fixing frame 414;

[0107] The pushing block 410 is in the shape of a stepped frustum of a cone.

[0108] With such a structure, the second hydraulic jack 409 can stably drive the left support and the right support to move; the J-shaped fixing frame 414 can strengthen the concave slide rail 412 to prevent the concave slide rail 412 from bending; the triangular frame 415 is beneficial to stabilizing the corner part; the pushing block 410 is in the shape of a stepped frustum of a cone, which is convenient for installing the universal balls 411 on the front and back sides and provides sufficient installation space for the universal balls 411 on the front and back sides.

[0109] In this embodiment, the driving wheel assembly includes a first base 801. A wheel rod 802 is rotatably installed on the bottom surface of the first base 801. A wheel frame 803 is installed on the bottom surface of the wheel rod 802. Bearings 805 are installed in the two side plates 804 of the wheel frame 803. An axle 806 is inserted through the bearings 805. A wheel 807 is fixedly connected to the axle 806. On the outer side of one side plate 804 of the wheel frame 803, a second base 808 is installed. A first reduction motor 809 is installed below the second base 808. The output end of the first reduction motor 809 is coaxially fixedly connected to the axle 806.

[0110] With such a structure, the first reduction motor 809 drives the wheels to rotate, enabling the steel frame bearing platform 3 to be translated as a whole, which is beneficial for moving it to the designated position.

[0111] In this embodiment, a driven gear 810 is fixedly sleeved on the wheel rod 802. The driven gear 810 meshes with a driving gear 811. The driving gear 811 is fixedly sleeved on the output end of a second reduction motor 812. The second reduction motor 812 is installed on a third base 813. The third base 813 is installed on the bottom surface of the steel frame bearing platform 3.

[0112] With such a structure, after the second reduction motor 812 is started, the wheels can be steered.

[0113] In this embodiment, a threaded telescopic tube 204 is arranged between the pin head 202 and the second positioning sleeve 2034. The threaded telescopic tube 204 is slidably sleeved on the upper and lower chord members of the patch truss 201.

[0114] With such a structure, the threaded telescopic tube 204 rotates and extends or contracts through threaded connection to control the abutting position of the diagonal brace 203, which is beneficial for improving the overall stability.

[0115] The present invention is conducive to forming the cross-shaped framework in the truss platform, which is beneficial for assembly. After forming the cross-shaped framework first, other truss units are assembled one by one. Multiple cross-shaped truss platforms are arranged according to the grid points, and then other truss platforms and patch members are assembled, which is beneficial for constructing a truss platform with a larger specification without being restricted by the track. Since the entire large truss platform is assembled from multiple small truss platforms and the span of the small truss platform is small, the situation of excessive bending moment in the middle of the large truss platform can be avoided.

[0116] Embodiment 2

[0117] As Figure 11As shown, a construction method based on a quick-disassembly platform for the cast-in-place floor slab of a high-speed railway station building adopts flow construction. This process requires at least 2.5 quick-disassembly platforms, including two complete quick-disassembly platforms and one cross-shaped quick-disassembly platform. The two complete quick-disassembly platforms are respectively placed in the first construction section and the second construction section, and the cross-shaped quick-disassembly platform is placed in the third construction section. The first and second construction sections are constructed in sequence. After the concrete strength of the floor slab in the first construction section reaches 75%, the branch truss platform component 1 that forms the cross-shaped quick-disassembly platform in the first construction section is retained, and the branch truss platform components 1 in other assembly areas are transferred from the first construction section to the third construction section to complete the erection of the branch truss platform components 1 in the assembly area of the third construction section, thereby forming a complete quick-disassembly platform on the third construction section for assembly with the quick-disassembly platform on the second construction section. The reserved filling space between the two forms a post-cast strip. The cross-shaped quick-disassembly platform on the first construction section is transferred to the fourth construction section after the concrete strength meets the 100% requirement. After the concrete strength of the floor slab in the second construction section reaches 75%, the cross-shaped quick-disassembly platform in the second construction section is retained, and the branch truss platform components 1 in other assembly areas are transferred from the second construction section to the fourth construction section to form a complete quick-disassembly platform with the cross-shaped quick-disassembly platform transferred from the first construction section. According to the above process, the construction of subsequent construction sections is completed.

[0118] The above content is a further detailed description of the present invention in combination with specific preferred embodiments, and it cannot be determined that the specific implementation of the present invention is only limited to these descriptions. For those skilled in the technical field to which the present invention belongs, without departing from the concept of the present invention, several equivalent substitutions or obvious modifications can be made, and as long as the performance or use is the same, they should all be regarded as belonging to the protection scope of the present invention.

Claims

1. A high-speed railway station cast-in-place floor quick-disassembly platform, characterized in that include: The branch truss platform components (1) are arranged in a left-right interval and a front-back interval to form branch truss platform components (1) arranged in a cross-shaped area, and then the corresponding branch truss platform components (1) are arranged in the assembly area divided by the cross-shaped area, and the branch truss platform components (1) in the assembly area and the branch truss platform components (1) in the cross-shaped area are reserved with a patching space; It comprises a top truss (101) and early-removal support steel columns (102) fixed at the four corners of the top truss (101), and a socket buckle (103) is fixed on the early-removal support steel column (102); A patching truss platform assembly (2) is arranged between the spaced branch truss platform assemblies (1), comprising a patching truss (201) and a latch head (202) fixed to both ends of the upper and lower chords of the patching truss (201), wherein the latch head (202) is inserted into the buckle (103); A quick-release platform lifting mechanism is provided at the lower end of the early-release support steel column (102), and the quick-release platform lifting mechanism comprises: A steel frame cap (3) assembled using Bailey frames (301); A removal support (4) is installed on the bottom surface of the middle part of the steel frame cap (3); A steel frame (5) mounted on the middle of the steel frame cap (3); A first hydraulic jack (6) is installed in the steel frame (5), with its bottom installed on the middle of the steel frame cap (3) and its piston end installed with an early dismantling support steel column (102); The turbine screw lift (7) is installed at the four corners of the steel frame support (3); the lower end of the lift rod (701) passes through the steel frame support (3) and is installed with a positioning foot (702); A driving wheel assembly (8) is mounted at the four corners of the steel frame support (3) and is spaced apart from the lifting rod (701); The unloading support (4) comprises: a base plate (401) which is mounted on the bottom surface of the steel frame support (3); An upper support (402) mounted below the base plate (401); A lower support (403) is spaced below the upper support (402); T-shaped grooves (404) are formed on the wedge-shaped surfaces of the upper support (402) and the lower support (403); A left support (405) and a right support (406) are slidably mounted between the upper support (402) and the lower support (403), and are slidably mounted on left and right wedge-shaped surfaces of the upper support (402) and the lower support (403); A T-shaped sliding block (407), which is fixed to the bottom surfaces of the left support (405) and the right support (406) and is slidably adapted to the T-shaped slot (404); Reaction frames (408) are installed in pairs on the bottom surface of the steel frame support (3) and are spaced apart from the left support (405) and the right support (406); Second hydraulic jacks (409) are mounted in pairs on the reaction frame (408), with opposite piston ends facing the left support (405) and the right support (406) respectively; A push block (410) mounted on the piston end of the second hydraulic jack (409); A universal ball (411) is installed on the front and back sides of the push block (410), and the universal ball (411) installed on the front side of the push block (410) abuts against the left support (405) and the right support (406); The concave slide rail (412) is installed on the back of the left support (405) and the right support (406) and is extended into by the push block (410). The universal ball (411) installed on the back of the push block (410) abuts against the concave slide rail (412).

2. The high-speed railway station cast-in-place floor quick-disassembly platform according to claim 1 is characterized in that A scissor brace (203) is provided between the upper and lower chords of the patched truss (201).

3. The high-speed railway station cast-in-place floor quick-disassembly platform according to claim 2 is characterized in that The scissors brace (203) comprises mutually intersecting oblique web bars (2031), wherein the middle part of the oblique web bars (2031) is sleeved with a first positioning sleeve (2032), and two adjacent first positioning sleeves (2032) are connected by a pin; both ends of the oblique web bars (2031) are hinged with lugs (2033); the lugs (2033) are fixed on the second positioning sleeve (2034), and the second positioning sleeve (2034) is slidably connected to the upper chord bar and the lower chord bar and moves to a position close to the latch head (202).

4. The high-speed railway station cast-in-place floor quick-disassembly platform according to claim 1 is characterized in that A pad (413) is installed on the bottom surface of the lower support (403).

5. The high-speed railway station cast-in-place floor quick-disassembly platform according to claim 1 is characterized in that The concave slide rails (412) are arranged side by side at intervals, the piston end of the second hydraulic jack (409) extends between the two concave slide rails (412), and the push block (410) extends between the concave slide rail (412) and the left support (405), and between the concave slide rail (412) and the right support (406); A transverse J-shaped fixing frame (414) is installed on the back of the concave slide rail (412), one end of the J-shaped fixing frame (414) is fixed to the back of the left support (405) and the right support (406), and the other end is fixed to the back of the concave slide rail (412); A tripod (415) is fixed at a corner of the J-shaped fixing frame (414); The push block (410) is in the shape of a stepped frustum.

6. The high-speed railway station cast-in-place floor quick-disassembly platform according to claim 1 is characterized in that The driving wheel assembly comprises a first base (801), a wheel rod (802) is rotatably mounted on the bottom surface of the first base (801), a wheel frame (803) is mounted on the bottom surface of the wheel rod (802), bearings (805) are mounted in two side plates (804) of the wheel frame (803), an axle (806) is passed through the bearings (805), and a wheel (807) is fixedly connected to the axle (806); a second base (808) is mounted on the outer side of a side plate (804) of the wheel frame (803), a first reduction motor (809) is mounted below the second base (808), and an output end of the first reduction motor (809) is coaxially fixedly connected to the axle (806).

7. The high-speed railway station cast-in-place floor quick-disassembly platform according to claim 6, characterized in that The wheel rod (802) is fixedly sleeved with a driven gear (810); the driven gear (810) is meshed with a driving gear (811); the driving gear (811) is fixedly sleeved with an output end of a second reduction motor (812); the second reduction motor (812) is mounted on a third base (813); and the third base (813) is mounted on the bottom surface of the steel frame support platform (3).

8. The high-speed railway station cast-in-place floor quick-disassembly platform according to claim 3 is characterized in that A threaded telescopic tube (204) is arranged between the latch head (202) and the second positioning sleeve (2034), and the threaded telescopic tube (204) is slidably sleeved on the upper and lower chords of the embedded truss (201).

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