Supporting-plate-free steel pipe column ring beam reinforcing steel bar operation operating platform

Abstract

A supporting-plate-free steel pipe column ring beam reinforcing steel bar operation platform comprises an annular platform, a supporting plate, a steel pipe column ring beam reinforcing steel bar operation platform and a steel pipe column ring beam reinforcing steel bar operation platform, the lifting steel bar is used for lifting the annular platform, the lifting steel bar comprises a fixing end and a lifting end, the fixing end is fixed to the position, located above the annular platform, of the steel pipe column, and the lifting end is arranged in the bottom lifting hole in a penetrating mode and used for lifting the annular platform. An additional supporting platform does not need to be arranged on the steel pipe column, only the hanging bars need to be installed and the operation platform needs to be hung, and the hanging bars are detachably connected with the steel pipe column and the annular platform, are convenient to disassemble and assemble and can be recycled.

Description

Technical Field

[0001] The invention relates to the technical field of building construction, and in particular to a support plate-free steel pipe column ring beam steel bar operation operating platform. Background Art

[0002] In high-rise and super-high-rise buildings, steel tube concrete columns are usually used to meet the requirements of structural force calculations and axial compression ratios and other seismic structural measures. A ring beam node design is used at the connection between the steel tube concrete column and the concrete beam to increase the bearing capacity of the beam-column node. In the existing technology, for the ring beam reinforcement engineering work at this node, it is generally necessary to fix a support frame on the steel tube column to support it to form a reinforcement operation platform. The separate erection of the frame increases the operation time, the construction process is cumbersome, and the removal process of the support frame is cumbersome and cannot be used in a turnover manner. Summary of the invention

[0003] The present invention provides a steel pipe column ring beam steel bar working operation platform without a support plate. The operation platform is suspended by arranging hanging rods on the steel pipe column. There is no need to arrange an additional supporting platform on the steel pipe column. Only the hanging rods need to be installed and the operation platform needs to be suspended. The platform can be put away immediately after use and can be easily dismantled and used cyclically.

[0004] A support plate-free steel pipe column ring beam reinforcement working operation platform is installed on the outside of the steel pipe column, and is characterized in that it includes: an annular platform formed by detachably splicing multiple platform bottom plates, and the annular platform is arranged on the outside of the steel pipe column; a hanging rod for hoisting the annular platform, the hanging rod includes a fixed end and a hoisting end, the fixed end is detachably fixed to the steel pipe column above the annular platform, and the hoisting end is detachably connected to the annular platform.

[0005] A further improvement of the present invention is that a top hook is provided at the fixed end of the hanger, and a hanger rod steering limiting mechanism for limiting the top hook to limit the steering of the hanger is fixed on the steel pipe column, and a top hanging hole for the top hook to pass through and hook is opened on the hanger rod steering limiting mechanism, and the top hook passes through the top hanging hole and is clamped in the hanger rod steering limiting mechanism.

[0006] A further improvement of the present invention is that the steering limit mechanism of the suspension rod comprises: a main body box, which is fixed on the steel pipe column and has the top suspension hole vertically penetrated through the main body box; a limit fixing rod and a limit movable rod which are arranged on the main body box and distributed on both sides of the top suspension hole, and the limit movable rod and the limit fixing rod can be clamped on both sides of the top hook to limit the rotation of the suspension rod.

[0007] A further improvement of the present invention lies in that: a first movable hole extending vertically is provided on the main body box at one side of the top hanging hole and relative to the position of the limiting fixing rod; the limiting movable rod is telescopically arranged in the first movable hole, and the limiting movable rod can cooperate with the limiting fixing rod to clamp on both sides of the top hook when extending out of the first movable hole; the hanging rod steering limiting mechanism also includes a telescopic control mechanism arranged on the main body box and used to control the telescopic movement of the limiting movable rod.

[0008] A further improvement of the present invention lies in that: a second movable hole extending vertically is further provided on the main body box, the second movable hole and the first movable hole are spaced apart and are both located on the same side of the top hanging hole, a movable groove is horizontally provided inside the main body box, the first movable hole and the second movable hole are both connected to the movable groove; the telescopic control mechanism comprises a control rod, a slot member, a first reset member, a second reset member and a third reset member, the control rod is telescopically arranged in the second movable hole, the slot member is arranged in the movable groove and can move horizontally along the movable groove, the slot member is spaced apart with a first slot and a second slot extending vertically and respectively used for clamping when the control rod is contracted and the limiting movable rod is contracted, the first slot and the second slot are spaced apart ... A reset member is connected between the slot member and the end of the movable slot, the second reset member is connected between the bottom of the control rod and the top of the slot member, and has an elastic tendency to cause the control rod to extend out of the second movable hole, the third reset member is connected between the bottom of the limiting movable rod and the top of the slot member, and has an elastic tendency to cause the limiting movable rod to extend out of the first movable hole, when the first reset member is in a reset state, the control rod is in a state of extending out of the second movable hole, and the limiting movable rod is in a state of being contracted and fixed in the first movable hole, or the control rod is in a state of being contracted and fixed in the second movable hole, and the limiting movable rod is in a state of extending out of the first movable hole.

[0009] A further improvement of the present invention is that a buckle groove extending laterally is provided in the first slot and the second slot on a side relatively close to / relatively far from the first reset member, and a buckle matched with the corresponding buckle groove is provided on the corresponding side of the bottom of the control rod and the limiting movable rod respectively, and a slide is formed at the notch of the first slot and the second slot for the corresponding buckle to be pressed down to drive the slot member to move laterally.

[0010] A further improvement of the present invention is that a circle of retaining edges is provided on the edge of the annular platform.

[0011] A further improvement of the present invention is that a bottom hook is provided at the hanging end of the hanging rod, a bottom hanging hole is opened on the annular platform, a sleeve is fixed at the bottom of the annular platform at the bottom hanging hole, the axial direction of the sleeve is perpendicular to the penetration direction of the bottom hanging hole, and the bottom hook passes through the bottom hanging hole and is inserted into the sleeve.

[0012] A further improvement of the present invention is that a first tooth structure and a second tooth structure are respectively formed at both ends of each platform base plate, and when two adjacent platform base plates are in a spliced ​​state, the adjacent first tooth structures are meshed with the second tooth structures, and the annular platform also includes a plurality of pin structures for radially penetrating and locking the meshed first tooth structures and the second tooth structures of each two adjacent platform base plates.

[0013] A further improvement of the present invention is that the first tooth structure includes a first tooth segment and a second tooth segment, the second tooth structure includes a third tooth segment and a fourth tooth segment matched with the first tooth segment and the second tooth segment, and each of the platform bottom plates corresponding to the first tooth structure is also formed with a first notch and a second notch alternately arranged with the first tooth segment and the second tooth segment, and an end corresponding to the second tooth structure is also formed with a third notch and a fourth notch alternately arranged with the third tooth segment and the fourth tooth segment, and when two adjacent platform bottom plates are in a spliced ​​state, the first tooth segment is meshed with the third tooth segment, the second tooth segment is meshed with the fourth tooth segment, the first notch is meshed with the third notch, and the second notch is meshed with the fourth notch A first slide groove section and a second slide groove section are formed respectively; the latch structure includes a first plug-in portion for connecting the first tooth segment and the third tooth segment in series, a second plug-in portion coaxially arranged with the first plug-in portion and used for connecting the second tooth segment and the fourth tooth segment in series, and a U-shaped connecting portion for connecting the first plug-in portion and the second plug-in portion, the first tooth segment and the third tooth segment are both provided with a first through-hole for the first plug-in portion to be connected in series, the second tooth segment and the fourth tooth segment are both provided with a second through-hole for the second plug-in portion to be connected in series, the first plug-in portion is movably inserted in the first slide groove section and the first through-hole, and the second plug-in portion cooperates with the first plug-in portion to be movably inserted in the second slide groove section and the second through-hole, so as to realize detachable locking of adjacent platform bottom plates.

[0014] The present invention discloses a steel pipe column ring beam steel bar working operation platform without a support plate. The operation platform can be detachably suspended by arranging suspension rods on the steel pipe column. There is no need to arrange an additional supporting platform on the steel pipe column. It only needs to install the suspension rods and suspend the operation platform. Moreover, the suspension rods, the steel pipe column and the annular platform are all detachably connected, so the disassembly and assembly are convenient and the operation platform can be circulated. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front view of the present invention;

[0016] Figure 2 A top view of the present invention;

[0017] Figure 3 It is a top view of the suspension rod steering limiting mechanism of the present invention;

[0018] Figure 4 It is a front view of the hanging rod steering limiting mechanism of the present invention;

[0019] Figure 5 It is a side view of the suspension rod steering limiting mechanism of the present invention;

[0020] Figure 6 This is a structural diagram of the inner side of the hanging rod steering limiting mechanism of the present invention;

[0021] Figure 7 This is a schematic diagram of the insertion of dowel bars at the joint of the annular platform of the present invention;

[0022] Figure 8 This is a schematic diagram of the annular platform joint of the present invention when the dowel bar is not inserted;

[0023] Fig. 9 It is a schematic diagram of the structure of the ear plate of the present invention.

[0024] In the figure: 101, steel pipe column; 102, weld; 103, hoop; 201, first bottom plate; 202, second bottom plate; 203, retaining edge; 301, hanging rod; 302, sleeve; 303, detachable rod; 304, inserted rod; 305, bottom hanging hole; 40, ear plate; 50, hanging rod steering limit mechanism; 501, limit fixed rod; 502, limit movable rod; 503 control rod; 504, slot part; 5041, top hanging hole; 5042, first return spring; 5043, second return spring; 505 buckle. DETAILED DESCRIPTION

[0025] like Figure 1 to Figure 6 As shown, the present invention includes: an annular platform, which is arranged on the outside of a steel pipe column 101; a hanging rod 301 for hanging the annular platform, the hanging rod 301 includes a fixed end and a hanging end, the fixed end is fixed to the steel pipe column 101 above the annular platform, and the hanging end is passed through the bottom hanging hole and hangs the annular platform.

[0026] like Figure 1 As shown, a top hook is provided at the fixed end of the hanging rod 301 , and a hanging rod turning limiting mechanism 50 for limiting the position of the top hook to limit the hanging rod 301 is fixed on the steel pipe column 101 .

[0027] Preferably, if Figure 1 and Fig. 9 As shown, a lug plate 40 is fixed on the steel pipe column 101 in this embodiment, and the hanger rod steering limiting mechanism 50 is fixed on the lug plate 40 .

[0028] A top hook is provided at the fixed end of the suspension rod 301, and a suspension rod steering limiting mechanism 50 is fixed on the steel pipe column 1 for limiting the top hook to limit the steering of the suspension rod 301. A top hanging hole 5041 for the top hook to pass through and hook is opened on the suspension rod steering limiting mechanism 50. The top hook passes through the top hanging hole 5041 and is clamped in the suspension rod steering limiting mechanism 50.

[0029] Preferably, if Figure 1 As shown, a plurality of hoops 103 are disposed around the steel pipe column 101 in this embodiment.

[0030] like Figure 3 to Figure 6 As shown, the suspension rod steering limit mechanism 50 includes: a main body box, the main body box is fixed on the steel pipe column 101, the main body box is vertically penetrated with a top hanging hole 5041, a limit fixing rod 501 and a limit movable rod 502 are arranged on the main body box and distributed on both sides of the top hanging hole, the limit movable rod 502 and the limit fixing rod 501 are clamped on both sides of the top hook to limit the rotation of the suspension rod 301.

[0031] like Figure 3 to Figure 6 As shown, a first movable hole extending vertically is provided on the main box at one side of the top hanging hole and relative to the position of the limiting fixing rod 501; the limiting movable rod 502 is telescopically arranged in the first movable hole, and the limiting movable rod 502 can cooperate with the limiting fixing rod 501 to be clamped on both sides of the top hook when extending out of the first movable hole; the hanging rod steering limiting mechanism 50 also includes a telescopic control mechanism arranged on the main box and used to control the telescopic movement of the limiting movable rod 502.

[0032] like Figure 3 to Figure 6As shown, the telescopic control mechanism includes: a second movable hole extending vertically is also opened on the main body box, the second movable hole and the first movable hole are arranged at intervals and are both located on the same side of the top hanging hole, a movable groove is opened horizontally inside the main body box, and the first movable hole and the second movable hole are both connected to the movable groove; the telescopic control mechanism includes a control rod 503, a slot member 504, a first reset member, a second reset member and a third reset member, the control rod 503 is telescopically arranged in the second movable hole, the slot member 504 is arranged in the movable groove and can move horizontally along the movable groove, the slot member 504 is spaced apart with a first slot and a second slot extending vertically and respectively used for clamping when the control rod 503 is contracted and the limiting movable rod 502 is contracted, and the third reset member A reset member is connected between the slot member 504 and the end of the movable slot, a second reset member is connected between the bottom of the control rod 503 and the top of the slot member 504, and has an elastic tendency to cause the control rod 503 to extend out of the second movable hole, a third reset member is connected between the bottom of the limiting movable rod 502 and the top of the slot member 504, and has an elastic tendency to cause the limiting movable rod 502 to extend out of the first movable hole, when the first reset member is in the reset state, the control rod 503 is in the state of extending out of the second movable hole, and the limiting movable rod 502 is in the state of contraction and clamping in the first movable hole, or the control rod 503 is in the state of contraction and clamping in the second movable hole, and the limiting movable rod 502 is in the state of extending out of the first movable hole.

[0033] like Figure 6 As shown, a buckle groove extending laterally is provided in the first slot and in the second slot on a side relatively close to / relatively far from the first reset member, and a buckle matched with the corresponding buckle groove is respectively provided on the corresponding side of the bottom of the control rod 503 and the limiting movable rod 502, and a slideway for pressing the corresponding buckle down to drive the slot member to move laterally is respectively formed at the notch of the first slot and the second slot.

[0034] In this embodiment, the first return spring 5042 is a first return member, and there are two second return springs 5043, namely a second return member and a third return member.

[0035] like Figure 6As shown, in the present embodiment, the card slot member 504 is a plate-like structure, and the card slot member 504 is connected to the side inner wall of the main box through the first return spring 5042. The card slot member 504 is provided with two card slots, and the upper ends of the two card slots are provided with a sloped block, and the bottom ends are provided with a card interface inwardly toward the first return spring 5042 side, and a return member is sleeved on the buckle 505; when in use, the control rod 503 is pressed downward, and the control rod 503 will squeeze the sloped block, causing the card slot member 504 to move as a whole toward the first return spring 5042 side, and the first return spring 5042 will be in a compressed state, and the buckle 505 will be snapped into the buckle slot. When the limit movable rod 502 needs to enter the retracted state, it is only necessary to press the limit movable rod 502 downward at this time. At this time, the limit movable rod 502 will squeeze the slope block, causing the slot part 504 to move as a whole toward the side of the first return spring 5042. At this time, the buckle 505 under the control rod 503 will disengage from the buckle groove, and pop up due to the action of the second return spring 5043, returning to the extended state, and the buckle 505 at the bottom of the limit movable rod 502 will be stuck in the buckle groove.

[0036] like Figure 1-2 The annular platform is formed by splicing a plurality of platform bottom plates. In this embodiment, the annular platform includes a first annular bottom plate 201 and a second bottom plate 202 spliced ​​together.

[0037] like Figure 1-2 As shown, a circle of retaining edges 203 is provided at the edge of the annular platform. By providing the retaining edges 203, the steel bars can be prevented from escaping from the platform during the operation, thereby facilitating the steel bar operation.

[0038] like Figure 2 As shown, a bottom hook is provided at the hanging end of the hanging rod 301, a bottom hanging hole is opened on the annular platform, a sleeve 302 is fixed at the bottom of the annular platform at the bottom hanging hole, the bottom hook passes through the hanging hole and is inserted into the sleeve 302, the bottom hook includes a bent hook portion, and the fixed portion and the hook portion are constrained in two directions respectively by the bottom hanging hole 305 and the sleeve 302.

[0039] Preferably, in this embodiment, the bottom hook and the top hook of the suspension rod 301 are arranged in opposite directions.

[0040] like Figure 2 As shown, in this embodiment, four suspension rods 301 are used to suspend the annular platform.

[0041] like Figure 7-Figure 8As shown, a first tooth structure and a second tooth structure are respectively formed at both ends of each platform base plate, and when two adjacent platform base plates are in a spliced ​​state, the adjacent first tooth structures are meshed with the second tooth structures, and the annular platform also includes a plurality of latch structures for radially penetrating and locking the meshed first tooth structures and the second tooth structures of each two adjacent platform base plates.

[0042] like Figure 7-Figure 8 As shown, the first tooth structure includes a first tooth segment and a second tooth segment, and the second tooth structure includes a third tooth segment and a fourth tooth segment matched with the first tooth segment and the second tooth segment. A first notch and a second notch are formed on one end of each platform bottom plate corresponding to the first tooth structure, which are alternately arranged with the first tooth segment and the second tooth segment. A third notch and a fourth notch are formed on one end corresponding to the second tooth structure, which are alternately arranged with the third tooth segment and the fourth tooth segment. When two adjacent platform bottom plates are in a spliced ​​state, the first tooth segment is meshed with the third tooth segment, the second tooth segment is meshed with the fourth tooth segment, and the first notch and the third notch, as well as the second notch and the fourth notch are respectively formed. The first slide groove section and the second slide groove section; the latch structure includes a first plug-in portion for connecting the first tooth segment and the third tooth segment in series, a second plug-in portion coaxially arranged with the first plug-in portion and used for connecting the second tooth segment and the fourth tooth segment in series, and a U-shaped connecting portion for connecting the first plug-in portion and the second plug-in portion, the first tooth segment and the third tooth segment are both provided with a first through hole for the first plug-in portion to be connected in series, the second tooth segment and the fourth tooth segment are both provided with a second through hole for the second plug-in portion to be connected in series, the first plug-in portion is movably inserted in the first slide groove section and the first through hole, and the second plug-in portion cooperates with the first plug-in portion to be movably inserted in the second slide groove section and the second through hole, so as to realize detachable locking of adjacent platform base plates.

[0043] In this embodiment, Figure 7-Figure 8As shown, the first bottom plate 201 and the second bottom plate 202 are each provided with three pairs of teeth at the joint, the first pair of teeth from the inside to the outside is the first tooth structure, the second pair of teeth and the third pair of teeth are the second tooth structure, a first slide groove section is opened between the first pair of teeth and the second pair of teeth, the third pair of teeth is arranged at the outermost side of the annular platform and a second slide groove section connected to the outside is opened on the outside, the detachable rib 303 includes a first plug-in portion, a second plug-in portion and a U-shaped connecting portion located at the bottom, one end of the first plug-in portion passes through the first through-hole, and the other end passes through the first slide groove section and is connected to the first end of the U-shaped connecting portion, the second end of the U-shaped connecting portion is wrapped around to the outside of the annular platform and passes through the second slide groove section and is connected to the second plug-in portion in the second through-hole. In this embodiment, it also includes an insert 304 axially arranged along the first through hole and the second through hole. The insert 304 is movably arranged in the first slide groove section and can be inserted into the second through hole. When the insert 304 passes into the second through hole and docks with the second plug-in portion, the locking connection between the first bottom plate 201 and the second bottom plate 202 can be strengthened. A transverse rib perpendicular to the insert 304 is provided on the upper part of the insert 304. The length of the transverse rib is greater than the width of the first cavity and spans across the first cavity. The transverse rib is arranged to span across the first cavity to prevent the first bottom plate 201 and the second bottom plate 202 from flipping.

[0044] Preferably, during design, the position of the hanger rod 301 should be staggered with the position of the subsequent reinforcement construction to avoid collision between the two and causing difficulty in use.

[0045] Preferably, the annular platform needs to meet the requirements of stiffness and bearing capacity.

[0046] A construction process of an embodiment of the present invention is as follows:

[0047] S1. Based on BIM visualization forward design, according to the construction drawing: Use BIM technology to carry out forward design of the operating platform to ensure reasonable force, avoid component collision, and achieve safety, reliability and economic rationality;

[0048] S2, factory prefabrication, on-site inspection: prefabricate various components of the present invention to facilitate quick assembly during installation. The suspension rod steering limit mechanism 50 needs to be prefabricated together with the bottom plate suspension rod 301, and other parts can be prefabricated separately. The appearance quality and mechanical properties are re-inspected when entering the site, and only qualified ones can enter the site for use;

[0049] S3. Installation and use: First, fully weld the hoop 103 to the steel pipe column 101 through the weld. Formal installation: Hang the 4-direction hanging rod 301 on the ear plate 40 of the steel pipe column 101 through the hanging rod turning limit mechanism 50 → The bottom hook of the hanging rod 301 passes through the bottom hanging hole 305 of the annular platform → The teeth of the first bottom plate 201 and the second bottom plate 202 are connected and spliced, and the detachable rod 303 is inserted into the hole at the joint, and the bottom plate of the platform is preliminarily positioned → Press the limit movable rod 502, at this time the limit movable rod 502 is in a retracted state → Move the top hook of the hanging rod 301 between the limit fixed rod 501 and the limit movable rod 502, and while the top hook rotates, the bottom hook of the hanging rod 301 also rotates counterclockwise to the corresponding position, and the bottom hook of the hanging rod Drag the bottom plate → press the control rod 503, and the limiting movable rod 502 is ejected at the same time → the top hook and the bottom hook of the hanging rod 301 are limited → the rubber sleeve 302 is sleeved on the bottom hook of the hanging rod 301 to prevent the platform from sliding during operation and unstable operation → insert the top dowel 304 of the bottom plate into the second perforation of the teeth at the joint to further strengthen the connection between the first bottom plate 201 and the second bottom plate 202 → check the platform stability and other parameters → tie the ring beam steel bars. At this time, the bottom plate retaining edge 203 ensures that the steel bars do not slide out of the platform, which is convenient for steel bar operation. After the construction is completed, the locking of the hanging rod 301 can be released and the annular platform can be removed.

[0050] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A steel pipe column ring beam reinforcement working operation platform without a support plate, installed on the outside of the steel pipe column, characterized in that: include: An annular platform formed by detachably splicing a plurality of platform bottom plates, the annular platform being arranged around the outside of a steel pipe column; a hanging rod for hanging the annular platform, the hanging rod comprising a fixed end and a hanging end, the fixed end being detachably fixed to the steel pipe column above the annular platform, and the hanging end being detachably connected to the annular platform.

2. The non-supporting steel pipe column ring beam steel bar operation platform as claimed in claim 1, characterized in that: A top hook is provided at the fixed end of the hanger bar, and a hanger bar steering limiting mechanism for limiting the top hook to limit the steering of the hanger bar is fixed on the steel pipe column. A top hanging hole for the top hook to pass through and hook is opened on the hanger bar steering limiting mechanism, and the top hook passes through the top hanging hole and is clamped in the hanger bar steering limiting mechanism.

3. The non-supporting steel pipe column ring beam reinforcement operation platform as claimed in claim 2, characterized in that: The steering limit mechanism of the suspension rod includes: a main body box, which is fixed on the steel pipe column and has the top suspension hole vertically penetrated through the main body box; a limit fixing rod and a limit movable rod arranged on the main body box and distributed on both sides of the top suspension hole, and the limit movable rod and the limit fixing rod can be clamped on both sides of the top hook to limit the rotation of the suspension rod.

4. The non-supporting steel pipe column ring beam reinforcement working operation platform as claimed in claim 3, characterized in that: A first movable hole extending vertically is provided on the main box at one side of the top hanging hole and relative to the position of the limiting fixing rod; the limiting movable rod is telescopically arranged in the first movable hole, and the limiting movable rod can cooperate with the limiting fixing rod to be clamped on both sides of the top hook when extending out of the first movable hole; the hanging rod steering limiting mechanism also includes a telescopic control mechanism arranged on the main box and used to control the telescopic movement of the limiting movable rod.

5. The non-supporting steel pipe column ring beam reinforcement working operation platform as claimed in claim 4, characterized in that: The main body box is also provided with a second movable hole extending vertically, the second movable hole and the first movable hole are arranged at intervals and are both located on the same side of the top hanging hole, a movable groove is opened in the interior of the main body box in the horizontal direction, and the first movable hole and the second movable hole are both connected to the movable groove; the telescopic control mechanism includes a control rod, a slot member, a first reset member, a second reset member and a third reset member, the control rod is telescopically arranged in the second movable hole, the slot member is arranged in the movable groove and can move laterally along the movable groove, the slot member is provided with a first slot and a second slot extending vertically and respectively used for the control rod to be contracted and the limit movable rod to be contracted, and the first reset member is connected to the third reset member Between the end of the slot member and the movable slot, the second reset member is connected between the bottom of the control rod and the top of the slot member, and has an elastic tendency to cause the control rod to extend out of the second movable hole, the third reset member is connected between the bottom of the limiting movable rod and the top of the slot member, and has an elastic tendency to cause the limiting movable rod to extend out of the first movable hole, when the first reset member is in the reset state, the control rod is in a state of extending out of the second movable hole, and the limiting movable rod is in a state of being contracted and fixed in the first movable hole, or the control rod is in a state of being contracted and fixed in the second movable hole, and the limiting movable rod is in a state of extending out of the first movable hole.

6. The non-supporting steel pipe column ring beam reinforcement operation platform as claimed in claim 5, characterized in that: A buckle groove extending laterally is provided in the first slot and in the second slot on one side relatively close to / relatively far from the first reset member, and a buckle matched with the corresponding buckle groove is provided on the corresponding side of the bottom of the control rod and the limiting movable rod, and a slide is formed at the notch of the first slot and the second slot for the corresponding buckle to be pressed down to drive the slot member to move laterally.

7. The non-supporting steel pipe column ring beam reinforcement operation platform as claimed in claim 1, characterized in that: The edge of the annular platform is provided with a circle of ribs.

8. The non-supporting steel pipe column ring beam reinforcement operation platform as claimed in claim 1, characterized in that: A bottom hook is provided at the hanging end of the hanging rod, a bottom hanging hole is opened on the annular platform, a sleeve is fixed at the bottom of the annular platform at the bottom hanging hole, the axial direction of the sleeve is perpendicular to the penetration direction of the bottom hanging hole, and the bottom hook passes through the bottom hanging hole and is inserted into the sleeve.

9. The non-supporting steel pipe column ring beam reinforcement working operation platform as claimed in claim 1, characterized in that: A first tooth structure and a second tooth structure are respectively formed at both ends of each platform base plate. When two adjacent platform base plates are in a spliced ​​state, the adjacent first tooth structures are meshed with the second tooth structures. The annular platform also includes a plurality of pin structures for radially penetrating and locking the meshed first tooth structures and the second tooth structures of each two adjacent platform base plates.

10. The non-supporting steel pipe column ring beam reinforcement working operation platform as claimed in claim 8, characterized in that: The first tooth structure includes a first tooth segment and a second tooth segment, and the second tooth structure includes a third tooth segment and a fourth tooth segment matched with the first tooth segment and the second tooth segment. A first notch and a second notch are formed on each platform bottom plate at one end corresponding to the first tooth structure, which are alternately arranged with the first tooth segment and the second tooth segment. A third notch and a fourth notch are formed on one end corresponding to the second tooth structure, which are alternately arranged with the third tooth segment and the fourth tooth segment. When two adjacent platform bottom plates are in a spliced ​​state, the first tooth segment is meshed with the third tooth segment, the second tooth segment is meshed with the fourth tooth segment, and the first notch and the third notch, as well as the second notch and the fourth notch respectively form a first notch. A slide groove section and a second slide groove section; the latch structure includes a first plug-in portion for connecting the first tooth segment and the third tooth segment in series, a second plug-in portion coaxially arranged with the first plug-in portion and used for connecting the second tooth segment and the fourth tooth segment in series, and a U-shaped connecting portion for connecting the first plug-in portion and the second plug-in portion, the first tooth segment and the third tooth segment are both provided with a first through hole for the first plug-in portion to be connected in series, the second tooth segment and the fourth tooth segment are both provided with a second through hole for the second plug-in portion to be connected in series, the first plug-in portion is movably inserted in the first slide groove section and the first through hole, and the second plug-in portion cooperates with the first plug-in portion to be movably inserted in the second slide groove section and the second through hole, so as to realize detachable locking of adjacent platform base plates.

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