A steel frame support device and a steel frame construction method

Abstract

The present invention relates to a steel bar skeleton support device, comprising: a steel bar skeleton suspension system and a steel bar support frame; compared with the prior art, the steel bar skeleton support device provided by the present invention can solve the construction quality and safety problems in the process of binding operations of extra-long and extra-wide steel bar skeletons, can achieve the goal of zero utilization rate of support bars, and realize green and environmentally friendly construction.

Description

Technical Field

[0001] The invention relates to a steel bar skeleton supporting device and a steel bar skeleton construction method, belonging to the technical field of building engineering. Background Art

[0002] In recent years, infrastructure construction has developed rapidly. Many major projects and century projects have been put into survey, design and construction. The scale of the projects is ahead of schedule, and the steel skeleton of the main structure project is too long and too wide. At present, the steel skeleton binding operations of the main structure of major projects and century projects mostly use support bars as auxiliary materials to complete the steel binding operations to prevent construction quality and safety problems such as excessive steel bar disturbance and instability of the steel skeleton. As auxiliary materials, the support bars cannot be taken out and cannot be recycled after the steel binding operation is completed, resulting in increased material input and cost. In addition, the electric welding operation during the erection of the support bars has environmental pollution and causes occupational diseases. Summary of the invention

[0003] The technical problem to be solved by the present invention is: to overcome the disadvantages of the above-mentioned technology and to provide a steel frame support device and a steel frame construction method which do not use support bars, do not require welding, and can be recycled.

[0004] In order to solve the above technical problems, the first technical solution proposed by the present invention is: a steel frame support device, comprising: a steel frame suspension system and a steel support frame; the steel frame suspension system comprises a front leg, a middle leg and a rear leg; the front leg, the middle leg and the rear leg are connected by a suspension beam; the middle leg can move between a first position and a second position, the first position is between the front leg and the rear leg, and the second position is beside the front leg; a plurality of slings are provided on the suspension beam between the first position and the rear leg;

[0005] The steel bar support frame includes: a screw rod, a sleeve, a support plate and a leg; the screw rod extends into the sleeve from the top of the sleeve; the thread on the screw rod is matched with a limiting nut; the limiting nut is above the sleeve; the support plate is arranged on the upper part of the screw rod and can support the upper steel mesh of the steel skeleton; the lower part of the sleeve is sleeved with a cone sleeve; the cone sleeve limiting nut is provided above the cone sleeve; the bottom of the sleeve is provided with a lower baffle; the cone sleeve limiting nut is matched with the sleeve thread; the cone sleeve is sleeved on the sleeve; the top of the leg is hinged to the cone sleeve, and an ear plate is hinged on the lower baffle; the ear plate is connected to the leg through a pull plate.

[0006] A further improvement of the above scheme is that: a shoulder pole beam is provided on the top of the suspension beam; and the sling is installed on the shoulder pole beam.

[0007] A further improvement of the above solution is that: the sling is provided with a pulley system.

[0008] A further improvement of the above scheme is that: a support plate limiting nut is provided above the support plate; and the support plate limiting nut cooperates with the thread of the screw rod.

[0009] A further improvement of the above scheme is that walking wheels are installed at the bottom of the front legs, the rear legs and the middle legs.

[0010] In order to solve the above technical problems, the second technical solution proposed by the present invention is: A steel bar binding construction method using the steel bar skeleton support device as described above, comprising the following steps:

[0011] (1) Tie up the steel bar skeleton at the first workstation and use a steel bar support frame to support the upper steel bar mesh of the steel bar skeleton during the tying process;

[0012] (2) After the steel frame of the first station is tied, the upper steel mesh of the steel frame is hung on the sling of the steel frame suspension system. At this time, the middle leg of the steel frame suspension system is in the first position, and the steel frame suspension system is supported by the rear leg and the middle leg; then the steel support frame is removed;

[0013] (3) Carry out concrete pouring at the first workstation. When the concrete is poured to the upper steel mesh of the steel skeleton, release the suspension of the upper steel mesh of the steel skeleton by the steel skeleton suspension system; and then continue to complete the concrete pouring at the first workstation;

[0014] (4) After the concrete pouring of the first station is completed, the steel frame suspension system is supported by the front legs and the rear legs, and the middle legs are moved to the second position;

[0015] (5) While the concrete at the first station is being cured, the steel skeleton at the second station is tied, and during the tying process, a steel support frame is used to support the upper steel mesh of the steel skeleton;

[0016] (6) The steel frame suspension system moves to the second position, and the middle leg returns to the first position;

[0017] (7) After the steel frame of the second station is tied, the upper steel mesh of the steel frame is hung on the sling of the steel frame suspension system. At this time, the middle leg of the steel frame suspension system is in the first position, and the steel frame suspension system is supported by the rear leg and the middle leg; then the steel support frame is removed;

[0018] (8) Carry out concrete pouring at the second workstation. When the concrete is poured to the upper steel mesh of the steel skeleton, release the suspension of the upper steel mesh of the steel skeleton by the steel skeleton suspension system; and then continue to complete the concrete pouring at the second workstation;

[0019] (9) Repeat steps (4) to (8) until the construction is completed.

[0020] A further improvement of the above scheme is that: in the steps (1) and (5), when tying the steel bar skeleton, the support height of the steel bar support frame is adjusted by adjusting the positions of the screw rod and the sleeve; the relative positions of the screw rod and the sleeve are locked by the limit nut; the support plate is locked by the support plate limit nut, and the cone sleeve is locked by the cone sleeve limit nut.

[0021] Compared with the prior art, the steel frame support device and steel frame construction method provided by the present invention can solve the construction quality and safety problems during the binding operation of extra-long and extra-wide steel frame, achieve the goal of zero utilization rate of support bars, and realize green and environmentally friendly construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The present invention will be further described below in conjunction with the accompanying drawings.

[0023] Figure 1 It is a schematic diagram of the steel support bar structure in a preferred embodiment of the present invention.

[0024] Figure 2 It is a structural schematic diagram of a steel bar skeleton suspension system in a preferred embodiment of the present invention.

[0025] Figure 3 yes Figure 2 Front view of.

[0026] Figure 4 This is a schematic diagram of the first state of the construction process.

[0027] Figure 5 This is a schematic diagram of the second state of the construction process.

[0028] Figure 6 This is a schematic diagram of the third state of the construction process.

[0029] Figure 7 This is a schematic diagram of the fourth state of the construction process. DETAILED DESCRIPTION Example

[0030] The steel bar skeleton support device of this embodiment includes: a steel bar skeleton suspension system and a steel bar support frame. Among them, the steel bar skeleton suspension system, such as Figure 2 and Figure 3, including a front leg 25, a middle leg 23 and a rear leg 19; the front leg 25, the middle leg 23 and the rear leg 19 are connected by a suspension beam 24; the middle leg 23 can move between a first position and a second position, the first position is between the front leg 25 and the rear leg 19, and the second position is beside the front leg 25; a shoulder beam 22 is provided on the suspension beam between the first position and the rear leg 19, and a plurality of slings 21 are suspended on both sides of the shoulder beam 22; a pulley system 20 can be arranged on the sling 21 as needed. Travel wheels 26 are installed at the bottom of the front leg, the rear leg and the middle leg.

[0031] Steel support frame, such as Figure 1 , including: screw rod 1, sleeve 7, support plate 4 and leg 12; screw rod 1 extends into sleeve 7 from the top of sleeve 7; screw rod 1 is threaded with limit nut 6; limit nut 6 is above sleeve 7; support plate 4 is arranged on the upper part of screw rod 1; support plate 4 is in two-petal shape, symmetrically arranged on both sides of screw rod 1 and capable of supporting the upper steel mesh 3 of steel skeleton; support plate limit nut 2 is provided on the upper part of support plate 4; support plate limit nut 2 is threadedly matched with screw rod 1; cone sleeve 9 is sleeved on the lower part of sleeve 7; cone sleeve limit nut 8 is provided on the upper part of cone sleeve 9; lower baffle 15 is provided at the bottom of sleeve 7; cone sleeve limit nut 8 is threadedly matched with sleeve 7; cone sleeve 9 is sleeved on sleeve 7; the top of leg 12 is hinged with cone sleeve 9, and ear plate 14 is hinged on the lower baffle 15; ear plate 14 is connected with leg 12 through pull plate 11. Leg 12 and ear plate 14 are arranged in a circular shape with an interval of 120 degrees.

[0032] The steel bar binding construction method using the steel bar skeleton support device as described above comprises the following steps:

[0033] (1) Tie up the steel bar skeleton at the first workstation, and use the steel bar support frame to support the upper steel bar mesh 3 of the steel bar skeleton during the tying process; adjust the relative position of the screw rod 1 and the sleeve 7 to adjust the support height to meet the construction requirements, and then lock the position of the screw rod 1 and the sleeve 7 through the limit nut 6; the upper steel bar mesh 3 is supported by the support plate 4, and the support plate 4 is locked by the support plate limit nut 2, and the bottom is adjusted according to the site conditions, such as Figure 1 , use the legs 12 to pass through the lower steel mesh 17 for support. After adjusting the appropriate position, use the cone sleeve limit nut 8 to lock the position of the cone sleeve 9 to form an overall stable force support. If the lower steel mesh 17 is relatively flat and has been used as a supporting structure, then push the cone sleeve 9 to the lowest position. At this time, the ear plate 14 and the lower baffle 15 are in the same plane, and the legs 12 are also flattened, and the bottom end is lifted and higher than the lower baffle 15; in this way, the bottom of the steel support frame is supported on the lower steel mesh 17 through the lower baffle 15;

[0034] (2) After the reinforcement skeleton of the first station is tied, the upper reinforcement mesh of the reinforcement skeleton is hung on the sling of the reinforcement skeleton suspension system. At this time, the middle leg 23 of the reinforcement skeleton suspension system is in the first position, and the reinforcement skeleton suspension system is supported by the rear leg 19 and the middle leg 23; then loosen the limit nuts and remove the reinforcement support frame; the state is as follows: Figure 4 As shown,

[0035] (3) Carry out concrete pouring at the first workstation. When the concrete is poured to the upper steel mesh of the steel skeleton, release the suspension of the upper steel mesh of the steel skeleton by the steel skeleton suspension system; and then continue to complete the concrete pouring at the first workstation;

[0036] (4) After the concrete pouring of the first station is completed, the steel frame suspension system is supported by the front legs 16 and the rear legs 19, and the middle legs 23 are moved to the second position; in this way, the middle legs 23 can make room for the steel bars of the second station to avoid the steel frame affecting the movement of the middle legs 23; the state is as follows Figure 5 As shown;

[0037] (5) During the curing of the concrete at the first station, the steel frame of the second station is tied, and the upper steel mesh of the steel frame is supported by a steel support frame during the tying process; the state is as follows: Figure 6 As shown;

[0038] (6) The steel frame suspension system moves to the second position, and the middle leg 23 returns to the first position;

[0039] (7) After the steel frame of the second station is tied, the upper steel mesh of the steel frame is hung on the sling of the steel frame suspension system. At this time, the middle leg 23 of the steel frame suspension system is in the first position, and the steel frame suspension system is supported by the rear leg 19 and the middle leg 23; then the steel support frame is removed; the state is as follows Figure 7 As shown;

[0040] (8) Carry out concrete pouring at the second workstation. When the concrete is poured to the upper steel mesh of the steel skeleton, release the suspension of the upper steel mesh of the steel skeleton by the steel skeleton suspension system; and then continue to complete the concrete pouring at the second workstation;

[0041] (9) Repeat steps (4) to (8) until the construction is completed.

[0042] In order to facilitate the movement of the steel frame suspension system, the walking wheels of the front legs and the rear legs can be equipped with hydraulic drive devices.

[0043] The present invention is not limited to the specific technical solutions described in the above embodiments. In addition to the above embodiments, the present invention may also have other implementations. All technical solutions formed by equivalent replacement are within the protection scope required by the present invention.

Claims

1. A steel frame support device, characterized in that: include: A steel frame suspension system and a steel support frame; the steel frame suspension system comprises a front leg, a middle leg and a rear leg; the front leg, the middle leg and the rear leg are connected by a suspension beam; the middle leg can move between a first position and a second position, the first position is between the front leg and the rear leg, and the second position is beside the front leg; A plurality of slings are provided on the suspension beam between the first position and the rear legs; The steel bar support frame comprises: a screw rod, a sleeve, a support plate and a leg; the screw rod extends into the sleeve from the top of the sleeve; the thread on the screw rod is matched with a limit nut; The limiting nut is above the sleeve; the supporting plate is arranged on the upper part of the screw rod and can support the upper steel mesh of the steel skeleton; a cone sleeve is sleeved on the lower part of the sleeve; a cone sleeve limiting nut is provided above the cone sleeve; a lower baffle is provided at the bottom of the sleeve; the cone sleeve limiting nut cooperates with the sleeve thread; the cone sleeve is sleeved on the sleeve; the top end of the leg is hinged to the cone sleeve, and an ear plate is hinged on the lower baffle; the ear plate is connected to the leg through a pull plate.

2. The steel bar skeleton support device according to claim 1, characterized in that: A shoulder pole beam is provided on the top of the suspension beam; the sling is installed on the shoulder pole beam.

3. The steel bar skeleton support device according to claim 2, characterized in that: The sling is provided with a pulley system.

4. The steel bar skeleton support device according to claim 1, characterized in that: A support plate limiting nut is provided above the support plate; the support plate limiting nut is matched with the thread of the screw rod.

5. The steel bar skeleton support device according to claim 1, characterized in that: Walking wheels are installed at the bottom of the front legs, the rear legs and the middle legs.

6. A steel bar tying construction method using the steel bar skeleton support device according to claim 1, characterized in that: The steps include: (1) Tie up the steel bar skeleton at the first workstation and use a steel bar support frame to support the upper steel bar mesh of the steel bar skeleton during the tying process; (2) After the steel frame of the first station is tied, the upper steel mesh of the steel frame is hung on the sling of the steel frame suspension system. At this time, the middle leg of the steel frame suspension system is in the first position, and the steel frame suspension system is supported by the rear leg and the middle leg; then the steel support frame is removed; (3) Carry out concrete pouring at the first workstation. When the concrete is poured to the upper steel mesh of the steel skeleton, release the suspension of the upper steel mesh of the steel skeleton by the steel skeleton suspension system; and then continue to complete the concrete pouring at the first workstation; (4) After the concrete pouring of the first station is completed, the steel frame suspension system is supported by the front legs and the rear legs, and the middle legs are moved to the second position; (5) While the concrete at the first station is being cured, the steel skeleton at the second station is tied, and during the tying process, a steel support frame is used to support the upper steel mesh of the steel skeleton; (6) The steel frame suspension system moves to the second position, and the middle leg returns to the first position; (7) After the steel frame of the second station is tied, the upper steel mesh of the steel frame is hung on the sling of the steel frame suspension system. At this time, the middle leg of the steel frame suspension system is in the first position, and the steel frame suspension system is supported by the rear leg and the middle leg; then the steel support frame is removed; (8) Carry out concrete pouring at the second workstation. When the concrete is poured to the upper steel mesh of the steel skeleton, release the suspension of the upper steel mesh of the steel skeleton by the steel skeleton suspension system; and then continue to complete the concrete pouring at the second workstation; (9) Repeat steps (4) to (8) until the construction is completed.

7. The steel bar binding construction method according to claim 6, characterized in that: In the steps (1) and (5), when tying the steel bar skeleton, the support height of the steel bar support frame is adjusted by adjusting the position of the screw rod and the sleeve; the relative position of the screw rod and the sleeve is locked by the limit nut; and the cone sleeve is locked by the cone sleeve limit nut.

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