Foldable box girder diaphragm plate construction hanging basket and using method thereof

Abstract

The invention relates to the technical field of bridge engineering construction, discloses a foldable box girder diaphragm plate construction hanging basket and a using method thereof, and solves the technical problem that at present, constructors are inconvenient to operate in a construction area in a suspended mode. The foldable box girder diaphragm plate construction hanging basket comprises a rear frame body, a front frame body, an operation platform, a transmission rod assembly, a telescopic ladder stand assembly and a safety rope system; the rear frame main body is used for hanging; the front frame main body is used as a guardrail; mounting plates are arranged on the left and right sides of the working platform; the bottom ends of the rear frame main body and the front frame main body are rotationally connected to the mounting plates; the two ends of the transmission rod assembly are rotationally connected to the rear frame body and the front frame body correspondingly. The telescopic ladder stand assembly comprises a vertical fixed rod, a vertical movable rod, a ladder stand rod and a supporting rod; the safety rope system is composed of three sets of safety lock chains. According to the technical scheme, the invention aims to provide the construction hanging basket, the hanging basket can be deployed on the beam, the weight is small, a foothold is provided for constructors, and the labor intensity of the constructors is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of bridge engineering construction, and more specifically, to a foldable box beam diaphragm construction hanging basket and a use method thereof. Background Art

[0002] The construction of box girder diaphragms is an important part of the construction of composite prefabricated box girder bridges.

[0003] Reference Figure 1 The figure shows the schematic diagram of the prefabricated box girder structure of the combined prefabricated box girder bridge. The gap 02 between the two prefabricated box girders 01 is the construction area for the box girder cross diaphragm construction. Reinforcement bars 03 are usually prefabricated and deployed in the construction area. Figure 1 It can be seen that in the prior art, the construction space of the combined box girder diaphragm is small, the foothold of personnel is unstable when operating in the air, and there is no supporting up and down passages on the construction site. At the same time, when constructing the box girder diaphragm, the work point changes frequently and needs to be moved along the length direction of the prefabricated box girder structure.

[0004] The construction method in the prior art usually adopts a suspended operation method in which personnel wear safety belts, but the suspended operator has an unstable foothold, and the construction is extremely unstable and difficult.

[0005] There is also a construction method of mechanically supporting the hanging basket from the ground in the prior art, but the traditional hanging basket has the disadvantages of heavy weight, large volume, fixed size, need to be lifted from the ground, and limited by the conditions under the beam. Summary of the invention

[0006] In view of the technical problem raised in the background technology that it is inconvenient for construction workers to operate in the air in the construction area, the present invention provides a construction hanging basket, which can be deployed from a beam, has a light weight, and provides a foothold for construction workers, thereby reducing the labor intensity of construction workers.

[0007] To achieve the above object, the present invention provides the following technical solution 1:

[0008] A foldable box beam diaphragm construction hanging basket, comprising:

[0009] A rear frame body, the rear frame body comprising a vertical rear fixing rod and a transverse rear limiting rod, both ends of the transverse rear limiting rod being fixed to the vertical rear fixing rod;

[0010] A front frame body, the front frame body is used as a guardrail, the front frame body comprises a vertical forward fixing rod and a horizontal front limiting rod, and both ends of the horizontal front limiting rod are fixed to the vertical forward fixing rod;

[0011] A working platform, the working platform is located at the bottom ends of the vertical rear fixing rod and the vertical forward fixing rod, and the working platform has mounting plates on the left and right sides, and the bottom ends of the vertical rear fixing rod and the vertical forward fixing rod are both rotatably connected to the mounting plates;

[0012] A transmission rod assembly, the two ends of which are rotatably connected to the vertical rear fixing rod and the vertical front fixing rod respectively;

[0013] A telescopic ladder assembly, the telescopic ladder assembly comprising a vertical fixed rod, a vertical movable rod, a ladder rod and a support rod, the vertical fixed rod is vertically fixed to the horizontal rear limit rod of the rear frame body, the vertical movable rod is movably mounted on the vertical fixed rod and can be adjusted up and down, the ladder rod is transversely fixed to the vertical movable rod, and the support rod is transversely fixed to the top end of the vertical movable rod;

[0014] A safety rope system, the safety rope system is composed of three groups of safety chains, namely the first chain, the second chain and the third chain, the first chain and the second chain are respectively fixed to the top of the vertical forward fixed rods on both sides of the top of the front frame body, the third chain is used as a redundant suspension chain, and the third chain is fixed to the top of the rear frame body.

[0015] Through the above technical solution, when used,

[0016] ①Installation of construction hanging basket:

[0017] When constructing the box beam diaphragm, the flat hanging basket in the storage state is lowered from the gap of the prefabricated box beam plate, the support rod is set on the prefabricated box beam, and the third chain is fixed on the prefabricated box beam; the first chain and the second chain are pulled to make the hanging basket in the storage state unfold into a rectangular structure, and after the hanging basket is fully unfolded, the first chain and the second chain are fixed on the prefabricated box beam; the construction personnel enter the working platform through the ladder rod to carry out construction;

[0018] ②Storage construction hanging basket:

[0019] After the construction is completed, the construction workers evacuate the work platform and return to the prefabricated box girder through the ladder; untie the first chain and the second chain, and lower the first chain and the second chain so that the suspended basket in the unfolded state is stored in a flat shape; untie the third chain, and rotate the direction of the suspended basket so that the flat suspended basket is parallel to the gap of the prefabricated box girder; the construction workers lift the stored suspended basket from the gap of the prefabricated box girder to the bridge deck.

[0020] The present invention further provides that: the bottom ends of the vertical rear fixing rod and the vertical front fixing rod are connected to the mounting plate by a bolt connection structure, and the bottom ends of the vertical rear fixing rod and the vertical front fixing rod can be folded along the screw rod as the rotation axis.

[0021] The present invention further provides that: both ends of the transmission rod assembly are respectively connected to the vertical rear fixing rod and the vertical front fixing rod by means of bolt connection structures, and the transmission rod assembly can be rotated and folded along the screw rod as the rotation axis.

[0022] The present invention further provides that: the number of the ladder rods is set to be more than one, and the ladder rods are transversely welded and fixed to the vertical movable rods.

[0023] The present invention further has the following features: the vertical fixed rod is provided with bolt holes with a spacing of 80 mm, a total of 11 levels, and an adjustment range of 0-880 mm; the vertical movable rod is fixed in the bolt holes of the vertical fixed rod by bolts.

[0024] The present invention further provides that: both ends of the support rod are provided with mounting pieces.

[0025] The present invention further provides that: wherein the rigging member is configured as a hollow sleeve, a steel pipe can be inserted into the hollow hole of the sleeve to prevent the plane from rotating during use, that is, to prevent the hanging basket from tipping forward.

[0026] The present invention further discloses that: the transverse front limit rod is configured as a pull-out type sleeve, and an anti-slip rubber pad is provided at the end. When the hanging basket is installed, the transverse front limit rod is pulled out and lengthened, pressed against the side wall of the box beam, and then locked with bolts, so that the operating platform is more stable and less likely to shake.

[0027] The present invention also provides the following technical solution 2:

[0028] A method for using a foldable box beam diaphragm construction hanging basket is based on the foldable box beam diaphragm construction hanging basket structure:

[0029] (1) Installation of construction hanging basket:

[0030] When constructing the box beam diaphragm, the flattened hanging basket is lowered from the gap of the prefabricated box beam plate, the support rod is set on the prefabricated box beam, and the third chain is fixed on the prefabricated box beam;

[0031] Pull the first chain and the second chain to unfold the hanging basket in the stored state into a rectangular parallelepiped structure. After the hanging basket is fully unfolded, fix the first chain and the second chain on the prefabricated box beam;

[0032] Construction workers enter the working platform for construction by climbing ladders;

[0033] (2) Storage and construction hanging basket:

[0034] After the construction is completed, the construction workers evacuate the working platform and return to the prefabricated box beam by climbing the ladder rods;

[0035] Unlock the first chain and the second chain, and lower the first chain and the second chain so that the hanging basket in the unfolded state is stored in a flat shape;

[0036] Unlock the third chain and rotate the direction of the hanging basket so that the flat hanging basket is parallel to the gap of the prefabricated box beam;

[0037] Construction workers lifted the stored hanging basket from the gap of the prefabricated box girder to the bridge deck.

[0038] The present invention further has the following advantages: wherein the support rod is erected on the prefabricated box beam, a steel pipe can also be inserted into the hollow hole of the erection member of the hollow casing to prevent the plane from rotating during use, that is, to prevent the hanging basket from tipping forward.

[0039] In summary, the present invention has the following beneficial effects:

[0040] The project designed a foldable box girder diaphragm construction hanging basket, which eliminated the shortcomings of traditional hanging baskets such as heavy weight, large volume, fixed dimensions, the need to be lifted from the ground, and restrictions by conditions under the beam. Braking supports were added to limit the swaying of the hanging basket, providing an effective safety guarantee for the standardized construction of the diaphragm. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] Figure 1 A schematic diagram of the background technology for the use of hanging baskets;

[0042] Figure 2 It is a schematic diagram of the three-dimensional structure of the foldable box beam cross partition construction hanging basket of the present invention.

[0043] Figure numerals: 100, rear frame body; 101, vertical rear fixing rod; 102, horizontal rear limiting rod; 200, front frame body; 201, vertical front fixing rod; 202, horizontal front limiting rod; 300, working platform; 301, mounting plate; 400, transmission rod assembly; 500, telescopic ladder assembly; 501, vertical fixing rod; 502, vertical movable rod; 503, ladder rod; 504, support rod; 5041, erection piece; 600, safety rope system; 601, first chain; 602, second chain; 603, third chain. DETAILED DESCRIPTION

[0044] The present invention will be further described in detail below in conjunction with embodiments and drawings, but the embodiments of the present invention are not limited thereto.

[0045] A foldable box beam diaphragm construction hanging basket, such as Figure 2As shown, it includes: a rear frame body 100, a front frame body 200, a work platform 300, a transmission rod assembly 400, a telescopic ladder assembly 500 and a safety rope system 600. The bottom ends of the rear frame body 100 and the front frame body 200 can rotate around the work platform 300, and the transmission rod assembly 400 provides the feasibility and connection support for the rotation of the rear frame body 100 and the front frame body 200 during the rotation. The telescopic ladder assembly 500 is used to hang the hanging basket on the top surface of the prefabricated box beam, and provides a ladder for construction personnel to climb up and down. The safety rope system 600 is used for three-point redundant suspension. At the same time, the safety rope system 600 also facilitates the unfolding and storage of the hanging basket. The detailed structural principle is as follows.

[0046] The rear frame body 100 includes a vertical rear fixing rod 101 and a transverse rear limiting rod 102 . Both ends of the transverse rear limiting rod 102 are fixed to the vertical rear fixing rod 101 .

[0047] The front frame body 200 is used as a guardrail, and the front frame body 200 includes a vertical front fixing rod 201 and a horizontal front limiting rod 202, and both ends of the horizontal front limiting rod 202 are fixed to the vertical front fixing rod 201. The horizontal front limiting rod 202 is configured as a pull-out sleeve, and an anti-skid rubber pad is provided at the end. When the hanging basket is installed, the horizontal front limiting rod 202 is pulled out and lengthened, and pressed against the side wall of the box beam, and then locked with bolts, so that the operating platform is more stable and not easy to shake.

[0048] The work platform 300 is located at the bottom ends of the vertical rear fixing rod 101 and the vertical front fixing rod 201. The work platform 300 has mounting plates 301 on the left and right sides. The bottom ends of the vertical rear fixing rod 101 and the vertical front fixing rod 201 are both rotatably connected to the mounting plates 301. The bottom ends of the vertical rear fixing rod 101 and the vertical front fixing rod 201 are both connected to the mounting plates 301 by a bolt connection structure. The bottom ends of the vertical rear fixing rod 101 and the vertical front fixing rod 201 can be folded along the screw as the rotation axis.

[0049] The two ends of the transmission rod assembly 400 are respectively rotatably connected to the vertical rear fixing rod 101 and the vertical front fixing rod 201. The two ends of the transmission rod assembly 400 are respectively connected to the vertical rear fixing rod 101 and the vertical front fixing rod 201 by a bolt connection structure, and the transmission rod assembly 400 can be rotated and folded along the screw as the rotation axis.

[0050] The telescopic ladder assembly 500 includes a vertical fixed rod 501, a vertical movable rod 502, a ladder rod 503 and a support rod 504. The vertical fixed rod 501 is vertically fixed on the horizontal rear limit rod 102 of the rear frame body 100, the vertical movable rod 502 is movably installed on the vertical fixed rod 501 and can be adjusted up and down, the ladder rod 503 is horizontally fixed to the vertical movable rod 502, and the support rod 504 is horizontally fixed to the top of the vertical movable rod 502. Both ends of the support rod 504 are provided with rigging pieces 5041. The rigging piece 5041 is configured as a hollow sleeve, and a steel pipe can be inserted into the hollow hole of the sleeve to prevent the plane from rotating during use, that is, to prevent the hanging basket from tipping forward. The number of ladder rods 503 is set to more than one, and the ladder rods 503 are horizontally welded and fixed to the vertical movable rod 502. The vertical fixed rod 501 is provided with bolt holes with a spacing of 80 mm, 11 levels in total, and an adjustment range of 0-880 mm. The vertical movable rod 502 is fixed in the bolt holes of the vertical fixed rod 501 by bolts.

[0051] The safety rope system 600 is composed of three groups of safety chains, namely the first chain 601, the second chain 602 and the third chain 603. The first chain 601 and the second chain 602 are respectively fixed to the top of the vertical forward fixed rod 201 on both sides of the top of the front frame body 200. The third chain 603 is used as a redundant suspension chain and is fixed to the top of the rear frame body 100.

[0052] In addition, the present invention also discloses a method for using a foldable box beam transverse diaphragm construction hanging basket, based on the foldable box beam transverse diaphragm construction hanging basket structure:

[0053] 1. Install the construction hanging basket:

[0054] When the box beam diaphragm is being constructed, the flattened hanging basket is lowered from the gap of the prefabricated box beam plate, the support rod 504 is set on the prefabricated box beam, and the third chain 603 is fixed on the prefabricated box beam;

[0055] Pull the first chain 601 and the second chain 602 to expand the hanging basket in the stored state into a rectangular parallelepiped structure. After the hanging basket is fully expanded, fix the first chain 601 and the second chain 602 on the prefabricated box beam;

[0056] The construction workers enter the working platform 300 to carry out construction by climbing the ladder rods 503 .

[0057] 2. Storage construction hanging basket:

[0058] After the construction is completed, the construction workers evacuate the working platform 300 and return to the prefabricated box beam by climbing the ladder rod 503;

[0059] Unlock the first chain 601 and the second chain 602, and lower the first chain 601 and the second chain 602 so that the hanging basket in the unfolded state is stored in a flat shape;

[0060] Unlock the third chain 603 and rotate the direction of the hanging basket so that the flat hanging basket and the gap of the prefabricated box beam are parallel;

[0061] Construction workers lifted the stored hanging basket from the gap of the prefabricated box girder to the bridge deck.

[0062] The support rod 504 is erected on the prefabricated box beam, and a steel pipe can be inserted into the hollow hole of the erection member 5041 of the hollow casing to prevent the plane from rotating during use, that is, to prevent the hanging basket from tipping forward.

[0063] The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A foldable box beam diaphragm construction hanging basket, characterized in that: include: A rear frame body (100), the rear frame body (100) comprising a vertical rear fixing rod (101) and a transverse rear limiting rod (102), two ends of the transverse rear limiting rod (102) being fixed to the vertical rear fixing rod (101); A front frame body (200), the front frame body (200) being used as a guardrail, the front frame body (200) comprising a vertical front fixing rod (201) and a horizontal front limiting rod (202), the two ends of the horizontal front limiting rod (202) being fixed to the vertical front fixing rod (201); A working platform (300), the working platform (300) being located at the bottom ends of the vertical rear fixing rod (101) and the vertical front fixing rod (201), the working platform (300) having mounting plates (301) on the left and right sides, the bottom ends of the vertical rear fixing rod (101) and the vertical front fixing rod (201) being rotatably connected to the mounting plates (301); A transmission rod assembly (400), wherein two ends of the transmission rod assembly (400) are rotatably connected to the vertical rear fixing rod (101) and the vertical front fixing rod (201) respectively; A telescopic ladder assembly (500), the telescopic ladder assembly (500) comprising a vertical fixed rod (501), a vertical movable rod (502), a ladder rod (503) and a support rod (504), the vertical fixed rod (501) being vertically fixed on a horizontal rear limit rod (102) of the rear frame body (100), the vertical movable rod (502) being movably mounted on the vertical fixed rod (501) and being adjustable up and down, the ladder rod (503) being horizontally fixed on the vertical movable rod (502), and the support rod (504) being horizontally fixed on the top end of the vertical movable rod (502); A safety rope system (600), the safety rope system (600) is composed of three groups of safety chains, namely a first chain (601), a second chain (602) and a third chain (603), the first chain (601) and the second chain (602) are respectively fixed to the top of the vertical forward fixed rod (201) on both sides of the top of the front frame body (200), the third chain (603) is used as a redundant suspension chain, and the third chain (603) is fixed to the top of the rear frame body (100).

2. A foldable box beam diaphragm construction hanging basket according to claim 1, characterized in that: The bottom ends of the vertical rear fixing rod (101) and the vertical front fixing rod (201) are connected to the mounting plate (301) by a bolt connection structure, and the bottom ends of the vertical rear fixing rod (101) and the vertical front fixing rod (201) can be folded along the screw rod as a rotation axis.

3. A foldable box beam diaphragm construction hanging basket according to claim 1, characterized in that: The two ends of the transmission rod assembly (400) are respectively connected to the vertical rear fixing rod (101) and the vertical front fixing rod (201) by means of a bolt connection structure, and the transmission rod assembly (400) can be rotated and folded along the screw rod as a rotation axis.

4. The foldable box beam diaphragm construction hanging basket according to claim 1, characterized in that: The number of the ladder rods (503) is set to be more than one, and the ladder rods (503) are transversely welded and fixed to the vertical movable rod (502).

5. The foldable box beam diaphragm construction hanging basket according to claim 1, characterized in that: The vertical fixed rod (501) is provided with bolt holes with a spacing of 80 mm, a total of 11 levels, and an adjustment range of 0-880 mm. The vertical movable rod (502) is fixed in the bolt holes of the vertical fixed rod (501) by bolts.

6. The foldable box beam diaphragm construction hanging basket according to claim 1, characterized in that: Wherein, mounting pieces (5041) are provided at both ends of the support rod (504).

7. A foldable box beam diaphragm construction hanging basket according to claim 6, characterized in that: The mounting piece (5041) is configured as a hollow sleeve, and a steel pipe can be inserted into the hollow hole of the sleeve to prevent the plane from rotating during use, that is, to prevent the hanging basket from tipping forward.

8. The foldable box beam diaphragm construction hanging basket according to claim 1, characterized in that: The transverse front limit rod (202) is configured as a pull-out sleeve, and an anti-skid rubber pad is arranged at the end. After the installation of the hanging basket is completed, the transverse front limit rod (202) is pulled out and lengthened, pressed against the side wall of the box beam, and then locked with bolts, so that the operating platform is more stable and not easy to shake.

9. A method for using a foldable box beam diaphragm construction hanging basket, based on the above-mentioned foldable box beam diaphragm construction hanging basket structure, characterized in that: (1) Installation of construction hanging basket: When the box beam diaphragm is being constructed, the flattened hanging basket in the storage state is lowered from the gap of the prefabricated box beam plate, the support rod (504) is erected on the prefabricated box beam, and the third chain (603) is fixed on the prefabricated box beam; Pulling the first chain (601) and the second chain (602) to unfold the hanging basket in the stored state into a rectangular parallelepiped structure, and after the hanging basket is fully unfolded, fixing the first chain (601) and the second chain (602) on the prefabricated box beam; Construction workers enter the working platform (300) to carry out construction by climbing the ladder rod (503); (2) Storage and construction hanging basket: After the construction is completed, the construction workers evacuate the working platform (300) by climbing the ladder rod (503) and return to the prefabricated box beam; Unlocking the first chain (601) and the second chain (602), and lowering the first chain (601) and the second chain (602), so that the hanging basket in the unfolded state is stored in a flat shape; Unlock the third chain (603) and rotate the direction of the hanging basket so that the flat hanging basket and the gap of the prefabricated box beam are parallel; Construction workers lifted the stored hanging basket from the gap of the prefabricated box girder to the bridge deck.

10. The method for using the foldable box beam diaphragm construction hanging basket according to claim 9, characterized in that: The support rod (504) is installed on the prefabricated box beam, and a steel pipe can be inserted into the hollow hole of the installation member (5041) of the hollow sleeve to prevent the plane from rotating during use, that is, to prevent the hanging basket from tipping forward.

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