Adjustable inner cavity construction platform for variable cross-section hollow thin-wall pier

Abstract

The utility model provides a variable cross-section hollow thin-wall pier adjustable inner cavity construction platform which comprises a main cross beam structure, the main cross beam structure comprises screw supporting mechanisms fixed to the inner wall of a hollow thin-wall pier in pairs, and a main supporting rod is fixed between the screw supporting mechanisms; a plurality of groups of main longitudinal beam structures are supported at the top of the main cross beam structure, each main longitudinal beam structure comprises longitudinal beams which are arranged in parallel, and the adjacent longitudinal beams are connected through shear fork rod mechanisms; a protection panel structure is supported on the top of the main longitudinal beam structure and comprises a main body protection net structure located in the middle, wing plate protection net structures are hinged to the two sides of the main body protection net structure through hinges, and special-shaped protection net structures are arranged at the vertex angle positions of the main body protection net structure and the wing plate protection net structures. The construction safety of the hollow thin-wall pier is greatly improved, waste of resources is reduced, and good applicability is achieved for operation in the same type of high-altitude narrow variable-cross-section space environment.

Description

TECHNICAL FIELD

[0001] The utility model relates to variable cross section hollow thin wall pier inner chamber operation platform design field, concretely is a kind of variable cross section hollow thin wall pier adjustable inner chamber construction platform. BACKGROUND

[0002] In the construction process of hollow thin wall pier, the stability of inner chamber operation platform is crucial to construction quality and worker safety. The traditional inner chamber operation platform adjusting mode often has problems such as low applicability, low safety and poor stability, which not only affects the construction efficiency, but also increases the risk of worker operation. Therefore, developing a safe, efficient and stable inner chamber operation platform and its adjusting device has become a problem to be solved in current high pier construction. SUMMARY

[0003] In view of the above technical problems, the utility model aims at providing a kind of variable cross section hollow thin wall pier adjustable inner chamber construction platform, which can overcome the problems of poor stability, low material utilization rate and unsuitable variable cross section construction of traditional hollow thin wall pier inner chamber construction operation platform, provide a kind of pre-buried installation, platform telescopic, freely adjusted construction operation platform device, greatly improve the safety of hollow thin wall pier construction, reduce the waste of resources, and have good applicability for the operation in the same type of high-altitude narrow variable cross section space environment;It can be well applied to the inner chamber operation of equal cross section, variable cross section hollow thin wall pier and other structures.

[0004] In order to realize the above technical features, the purpose of the utility model is realized as follows: a kind of variable cross section hollow thin wall pier adjustable inner chamber construction platform, including main beam structure, the main beam structure includes the screw rod support mechanism fixed on the inner wall of hollow thin wall pier in pairs, and the main support rod is fixed between the screw rod support mechanism;

[0005] The top of main beam structure is supported by a plurality of main longitudinal beam structures, and the main longitudinal beam structure includes longitudinal beam arranged in parallel, and the adjacent longitudinal beams are connected by shear fork rod mechanism;

[0006] The top of main longitudinal beam structure is supported by a protective panel structure, and the protective panel structure includes a main body protective net structure located at the middle part, and the main body protective net structure is hinged with wing plate protective net structure on both sides through hinge, and the top corner part of main body protective net structure and wing plate protective net structure is provided with special-shaped protective net structure.

[0007] The screw rod support mechanism includes adjusting screw rod, and the tail end of adjusting screw rod is steel bar, which is installed in the inner part of pre-buried hole by plug-in mode, and the pre-buried hole is reserved by pre-buried PVC pipe before pouring hollow thin wall pier;Locking nut is sleeved on adjusting screw rod, and steel bar is fixed on hollow thin wall pier by limiting and fixing through reinforcing steel plate;The end of adjusting screw rod and main support rod forms threaded connection.

[0008] The main support rod comprises a plurality of steel pipe bodies, and the end of the adjacent steel pipe bodies is fixedly connected through a connecting flange; an inner threaded hole is formed on the inner wall of the steel pipe body at the end, and the inner threaded hole is in threaded cooperation with the adjusting screw rod.

[0009] The longitudinal beam is cut from a channel steel material, and a plurality of sliding grooves are formed on the longitudinal beam.

[0010] The scissor lever mechanism comprises a first connecting rod hinged to one of the longitudinal beams, and a second connecting rod hinged to the other longitudinal beam, and the other ends of the first connecting rod and the second connecting rod are in sliding cooperation with the adjacent sliding grooves, respectively; and the middle parts of the first connecting rod and the second connecting rod are hingedly connected through a pin shaft.

[0011] The main body protection net structure, the wing plate protection net structure and the special-shaped protection net structure have the same main body structure, and the main body structure comprises a main body frame, and a reinforced mesh is fixed to the top of the main body frame.

[0012] The connecting bolts are fixed between the special-shaped protection net structure and the wing plate protection net structure.

[0013] The utility model has the advantages of the following beneficial effects:

[0014] 1、The telescopic folding inner cavity operation platform adjusting device provided by the utility model realizes the detachability, assembly, contraction of the platform through the above structure, can meet the needs of various variable cross-section construction, has high bearing capacity and high safety, can be adjusted according to the needs during use, can be detached at any time after use, is convenient to transport and store, greatly improves the resource utilization rate, reduces the resource input, has clear design principle, simple equipment assembly and high use safety.

[0015] 2、The screw rod supporting mechanism can be matched with the main support rod to form the main longitudinal beam structure, and the length of the adjusting screw rod can be adjusted to adapt to cavities of different sizes.

[0016] 3、The main support rod can be used in combination according to needs to adapt to the support needs of cavities of different sizes.

[0017] 4、The longitudinal beam can form a longitudinal support framework to ensure the structural strength and stability of the whole platform.

[0018] 5、The scissor lever mechanism can conveniently adjust the distance between the adjacent longitudinal beams to adapt to cavities of different sizes.

[0019] 6、The main body structure can form overall protection inside the cavity, and the wing plate protection net structure and the special-shaped protection net structure can be turned over and folded through the hinges, so that the utility model is convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0020] The utility model will be further described below in combination with the drawings and embodiments.

[0021] Figure 1 It is the front view of the utility model in installation state.

[0022] Figure 2 It is the front view of the utility model.

[0023] Figure 3 It is the structure diagram of main support rod of the utility model.

[0024] Figure 4 It is the structure diagram of screw rod support mechanism of the utility model.

[0025] Figure 5 It is the structure diagram of shear fork mechanism and longitudinal beam connection of the utility model.

[0026] Figure 6 It is the structure diagram of protective panel of the utility model.

[0027] Figure 7 It is the structure diagram of wing plate protective net of the utility model.

[0028] Figure 8 It is the structure diagram of special-shaped protective net of the utility model.

[0029] Figure 9 It is the installation process diagram of main cross beam structure of the utility model.

[0030] Figure 10 It is the installation process diagram of main longitudinal beam structure of the utility model.

[0031] Figure 11 It is the installation process diagram of protective panel structure of the utility model.

[0032] In the drawing: main support rod 1, screw rod support mechanism 2, pre-buried hole 3, hollow thin-walled pier 4, shear fork mechanism 5, longitudinal beam 6, main body protective net structure 7, hinge 8, special-shaped protective net structure 9, wing plate protective net structure 10, connecting bolt 11;

[0033] Steel pipe body 101, connecting flange 102;

[0034] Steel bar 201, reinforcing steel plate 202, adjusting screw rod 203, locking nut 204;

[0035] First connecting rod 501, second connecting rod 502;

[0036] Sliding groove 601;

[0037] Steel mesh 701, main body frame 702. DETAILED DESCRIPTION

[0038] The embodiments of the utility model will be further explained in combination with the drawings.

[0039] Referring to Figures 1-11 A variable cross-section hollow thin-walled pier adjustable inner cavity construction platform, including main crossbeam structure, main crossbeam structure includes the screw rod support mechanism 2 that is fixed in the hollow thin-walled pier 4 inner wall in pairs, and the main support rod 1 is fixed between the screw rod support mechanism 2;The top of main longitudinal beam structure is supported by multiple groups of main longitudinal beam structure, and the main longitudinal beam structure includes parallelly arranged longitudinal beam 6, and the adjacent longitudinal beam 6 is connected through scissor lever mechanism 5;The top of main longitudinal beam structure is supported by the protective panel structure, and the protective panel structure includes the main body protective net structure 7 in the middle part, and the wing plate protective net structure 10 is hinged to the both sides of main body protective net structure 7 through hinge 8, and the top corner part of main body protective net structure 7 and wing plate protective net structure 10 is provided with special-shaped protective net structure 9.The telescopic folding inner cavity operation platform adjusting device realizes the platform detachable, assembly, contraction by adopting the above structure, can satisfy multiple variable cross-section construction demand, and the bearing capacity is strong, and the safety is high, can be adjusted according to the demand in the use process, and can be dismantled at any time after use, is convenient for transportation, preservation, greatly improves the resource utilization, reduces the resource input, and the design principle is clear, and the equipment assembly is simple, and the use safety is high.In the specific construction process, the telescopic adjustment of main crossbeam structure is adapted to the inner cavity of different sizes, then the main crossbeam structure is supported to the main longitudinal beam structure, and the width adjustment of main longitudinal beam structure is adapted to the different cavity width, and the reliable support of the protective panel structure on the top of main longitudinal beam structure is carried out, and the protective panel structure can be folded to adapt to the cavity of different sizes.

[0040] Further, the screw rod support mechanism 2 includes adjusting screw rod 203, and the tail end of adjusting screw rod 203 is steel bar 201, which is installed in the inside of pre-buried hole 3 in the form of plug-in, and the pre-buried hole 3 is reserved by pre-buried PVC pipe before pouring hollow thin-walled pier 4;Locking nut 204 is sleeved on adjusting screw rod 203, and steel bar 201 is fixed on hollow thin-walled pier 4 by limiting and fixing through reinforcing steel plate 202;The end of adjusting screw rod 203 and main support rod 1 forms threaded connection.By the screw rod support mechanism 2, the main support rod 1 can be matched, and then the main longitudinal beam structure is formed.By adjusting screw rod 203, the length can be properly adjusted to adapt to the cavity of different sizes.By the installation structure form of steel bar 201 pre-buried, the installation of screw rod support mechanism 2 is facilitated.By locking nut 204, the locking of main support rod 1 after subsequent adjustment is facilitated.

[0041] Further, the main support rod 1 comprises a plurality of steel pipe bodies 101, the end of adjacent steel pipe bodies 101 is fixedly connected through a connecting flange 102, the inner wall of the steel pipe body 101 at the end is processed with an internal thread hole, and the internal thread hole is in threaded cooperation with the adjusting screw 203. The main support rod 1 can be combined for use according to needs, thereby adapting to the support needs of cavities of different sizes.

[0042] Further, the longitudinal beam 6 is cut from a channel steel material, and a plurality of sliding grooves 601 are processed on the longitudinal beam 6. The longitudinal beam 6 can form a longitudinal support framework, thereby ensuring the structural strength and stability of the whole platform. Meanwhile, the longitudinal beam 6 is made of a channel steel material, so that the structure is simplified and the manufacturing cost is reduced.

[0043] Further, the scissor lever mechanism 5 comprises a first connecting rod 501 hinged to one of the longitudinal beams 6, and a second connecting rod 502 hinged to the other longitudinal beam 6, the other ends of the first connecting rod 501 and the second connecting rod 502 are in sliding cooperation with the sliding grooves 601 on the adjacent sides respectively, and the middle parts of the first connecting rod 501 and the second connecting rod 502 are hingedly connected through a pin shaft. The scissor lever mechanism 5 can conveniently adjust the spacing between the adjacent longitudinal beams 6, thereby adapting to cavities of different sizes. In the specific use adjustment process, only the longitudinal beams 6 connected need to be pulled.

[0044] Further, the main body protection net structure 7, the wing plate protection net structure 10 and the special-shaped protection net structure 9 have the same main body structure, and the main body structure comprises a main body frame 702, and a reinforcing mesh 701 is fixed to the top of the main body frame 702. The main body structure can form overall protection inside the cavity. Moreover, the wing plate protection net structure 10 and the special-shaped protection net structure 9 can be turned over and folded through hinges, thereby being convenient to use.

[0045] Further, the special-shaped protection net structure 9 and the wing plate protection net structure 10 are fixedly connected with connecting bolts 11. The fixed connection ensures the stability of the subsequent protection panel structure.

[0046] The construction method of the construction platform of the utility model:

[0047] Firstly, during the hollow thin-walled pier 4 pouring process, the pre-buried hole 3 is formed through pre-buried PVC pipes, then the size is adjusted through the main support rod 1 according to the size of the structure, the main beam structure is ensured to meet the variable cross-section construction requirement, the main beam structure is fixed between the pre-buried holes 3, then the scissor lever mechanism 5 and the longitudinal beam 6 are adjusted and supported on the top of the main beam structure, thereby forming the main longitudinal beam structure, finally, the protection panel structure is installed on the top of the main longitudinal beam structure.

Claims

1. A variable cross-section hollow thin-walled pier adjustable inner cavity construction platform, characterized in that, The main beam structure comprises a pair of screw support mechanisms (2) fixed on the inner wall of the hollow thin-wall pier (4), and a main support rod (1) is fixed between the screw support mechanisms (2); The top of the main beam structure is supported by a plurality of main longitudinal beam structures, and the main longitudinal beam structure comprises parallel longitudinal beams (6) connected by a scissor lever mechanism (5). The top of the main longitudinal beam structure is supported by a protective panel structure, and the protective panel structure comprises a main protective net structure (7) at the middle part, and wing plate protective net structures (10) are hingedly connected to both sides of the main protective net structure (7) through hinges (8), and the top corner parts of the main protective net structure (7) and the wing plate protective net structures (10) are provided with special-shaped protective net structures (9).

2. The variable cross-section hollow thin-walled pier adjustable internal cavity construction platform according to claim 1, characterized in that: The screw support mechanism (2) comprises an adjusting screw (203), the tail end of the adjusting screw (203) is a steel bar (201), the steel bar (201) is installed in the pre-buried hole (3) in a plug-in manner, the pre-buried hole (3) is reserved by pre-buried PVC pipe before pouring the hollow thin-wall pier (4); a locking nut (204) is sleeved on the adjusting screw (203), and the steel bar (201) is fixed on the hollow thin-wall pier (4) by a reinforcing steel plate (202); the adjusting screw (203) and the end of the main support rod (1) are threadedly connected.

3. The variable cross-section hollow thin-walled pier adjustable internal cavity construction platform according to claim 2, characterized in that: The main support rod (1) comprises a plurality of steel pipe bodies (101), the end of the adjacent steel pipe body (101) is fixed and connected through a connecting flange (102); the inner wall of the steel pipe body (101) at the end is processed with an internal thread hole, and the internal thread hole and the adjusting screw (203) are threadedly connected.

4. The variable cross-section hollow thin-walled pier adjustable internal cavity construction platform according to claim 1, characterized in that: The longitudinal beam (6) is cut from a channel steel material, and a plurality of sliding grooves (601) are formed on the longitudinal beam (6).

5. The variable cross-section hollow thin-walled pier adjustable internal cavity construction platform according to claim 4, characterized in that: The scissor lever mechanism (5) comprises a first connecting rod (501) hingedly connected to one of the longitudinal beams (6), and a second connecting rod (502) hingedly connected to the other longitudinal beam (6), the other ends of the first connecting rod (501) and the second connecting rod (502) are respectively slidably connected to the sliding grooves (601) on the adjacent sides; the middle parts of the first connecting rod (501) and the second connecting rod (502) are hingedly connected through a pin shaft.

6. The variable cross-section hollow thin-walled pier adjustable internal cavity construction platform according to claim 1, characterized in that: The main body structures of the main protective net structure (7), the wing plate protective net structure (10) and the special-shaped protective net structure (9) are the same, and each comprises a main frame (702), and a reinforcing mesh (701) is fixed to the top of the main frame (702).

7. The variable cross-section hollow thin-walled pier adjustable internal cavity construction platform according to claim 1, characterized in that: The special-shaped protective net structure (9) and the wing plate protective net structure (10) are fixed with connecting bolts (11).

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