Steel pipe column ring beam steel bar operation platform without support plate

Abstract

A kind of no-plate steel pipe column ring beam reinforcing bar operation platform, comprising: annular platform, the annular platform is annularly fixed to the outside of steel pipe column;For hoisting the lifting bar of the annular platform, the lifting bar includes fixed end and hoisting end, the fixed end is fixed to the steel pipe column at the above of the annular platform, the hoisting end is arranged in the bottom lifting hole and hoists the annular platform, the present application is hoisted by the mode of setting lifting bar on steel pipe column Operation platform, without setting additional support platform on steel pipe column, only need to install lifting bar and hoist operation platform, and lifting bar and steel pipe column, annular platform are detachably connected, easy to disassemble, also can be used.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of building construction, in particular to a steel pipe column ring beam reinforcement operation platform without a supporting plate. BACKGROUND

[0002] In high-rise and super high-rise buildings, in order to meet the requirements of structural stress calculation and axial compression ratio and other seismic structural measures, steel pipe concrete columns are usually used. Ring beam joint design is used at the connection between the steel pipe concrete column and the concrete beam to increase the bearing capacity of the beam-column joint. For the reinforcement engineering of the ring beam at the joint, a support frame is generally fixed and erected on the steel pipe column to form a reinforcement operation platform. The erection of the separate frame increases the operation time, and the construction process is complicated. The support frame is difficult to remove, and cannot be used repeatedly. SUMMARY

[0003] The steel pipe column ring beam reinforcement operation platform without a supporting plate sets up an operation platform by setting up a hanging reinforcement on the steel pipe column, without the need to set up an additional support platform on the steel pipe column. Only the hanging reinforcement needs to be installed and the operation platform needs to be hung. The platform can be used immediately and collected easily, and can be used repeatedly.

[0004] A steel pipe column ring beam reinforcement operation platform without a supporting plate is installed on the outer side of a steel pipe column, and comprises: a ring-shaped platform formed by a plurality of platform bottom plates that are detachably connected; and a hanging reinforcement for hoisting the ring-shaped platform, wherein the hanging reinforcement comprises a fixed end and a hoisting end, the fixed end is detachably fixed to the steel pipe column above the ring-shaped platform, and the hoisting end is detachably connected to the ring-shaped platform.

[0005] Further improvements of the present application are that the fixed end of the hanging reinforcement is provided with a top hook, and a hanging reinforcement turning limiting mechanism is fixed to the steel pipe column to limit the turning of the hanging reinforcement, the hanging reinforcement turning limiting mechanism is provided with a top hoisting hole for the top hook to pass through and hook, and the top hook passes through the top hoisting hole and is clamped in the hanging reinforcement turning limiting mechanism.

[0006] Further improvements of the present application are that the hanging reinforcement turning limiting mechanism comprises: a main body box fixed to the steel pipe column, the main body box is provided with the top hoisting hole along the vertical direction; and a limiting fixed rod and a limiting movable rod arranged on the main body box and distributed on both sides of the top hoisting hole, the limiting movable rod and the limiting fixed rod can be clamped on both sides of the top hook to limit the turning of the hanging reinforcement.

[0007] Further improvement of the present application is that a first movable hole extending vertically is formed on the main box at one side of the top lifting hole and relative to the position of the limiting fixed rod; the limiting movable rod is telescopically arranged in the first movable hole, and the limiting movable rod can be clamped on both sides of the top hook in cooperation with the limiting fixed rod when the limiting movable rod is extended out of the first movable hole; the lifting rib turning limiting mechanism further comprises a telescopic control mechanism arranged on the main box and used for controlling the telescopic movement of the limiting movable rod.

[0008] Further improvement of the present application is that a second movable hole extending vertically is further formed on the main box, the second movable hole is arranged in interval with the first movable hole and both are located at the same side of the top lifting hole, a moving groove is formed in the main box along the transverse direction, and the first movable hole and the second movable hole are both communicated to the moving groove; the telescopic control mechanism comprises a control rod, a clamping groove piece, a first reset piece, a second reset piece and a third reset piece, the control rod is telescopically arranged in the second movable hole, the clamping groove piece is arranged in the moving groove and can move along the moving groove in the transverse direction, the clamping groove piece is spaced apart and has a first clamping groove and a second clamping groove extending vertically and respectively used for clamping when the control rod is retracted and when the limiting movable rod is retracted, the first reset piece is connected between the end of the clamping groove piece and the moving groove, the second reset piece is connected between the bottom of the control rod and the top of the clamping groove piece and has an elastic tendency to make the control rod extend out of the second movable hole, the third reset piece is connected between the bottom of the limiting movable rod and the top of the clamping groove piece and has an elastic tendency to make the limiting movable rod extend out of the first movable hole, when the first reset piece is in the reset state, the control rod is in the state of extending out of the second movable hole and the limiting movable rod is in the state of being retracted and clamped in the first movable hole, or the control rod is in the state of being retracted and clamped in the second movable hole and the limiting movable rod is in the state of extending out of the first movable hole.

[0009] Further improvement of the present application is that the first clamping groove and the second clamping groove are both formed with a clamping groove extending in the transverse direction at the side relative to the first reset piece, the bottom of the control rod and the bottom of the limiting movable rod are respectively provided with a clamping buckle matched with the corresponding clamping groove, and the slot of the first clamping groove and the second clamping groove is respectively formed with a sliding slope for driving the clamping groove piece to move in the transverse direction by pressing the corresponding clamping buckle.

[0010] Further improvement of the present application is that the edge of the annular platform is provided with a ring of retaining edges.

[0011] Further improvement of the present application is that the hanging end of the hanging rib is provided with a bottom hook, the annular platform is provided with a bottom hanging hole, the bottom of the annular platform is fixed with a sleeve at the bottom hanging hole, the axial direction of the sleeve is perpendicular to the penetrating direction of the bottom hanging hole, and the bottom hook penetrates through the bottom hanging hole and is clamped into the sleeve.

[0012] Further improvement of the present application is that the two ends of each platform bottom plate are respectively formed with a first tooth structure and a second tooth structure, the adjacent first tooth structure and the second tooth structure are engaged in the splicing state of the adjacent two platform bottom plates, and the annular platform further comprises a plurality of bolt structures for penetrating and locking the engaged first tooth structure and the second tooth structure of each adjacent two platform bottom plates in the radial direction.

[0013] Further improvement of the present application is that the first tooth structure comprises a first tooth segment and a second tooth segment, the second tooth structure comprises a third tooth segment and a fourth tooth segment matched with the first tooth segment and the second tooth segment, one end of each platform bottom plate corresponding to the first tooth structure is further formed with a first gap and a second gap alternately arranged with the first tooth segment and the second tooth segment, and one end corresponding to the second tooth structure is further formed with a third gap and a fourth gap alternately arranged with the third tooth segment and the fourth tooth segment, the first tooth segment is engaged with the third tooth segment, the second tooth segment is engaged with the fourth tooth segment, the first gap and the third gap form a first sliding groove segment, and the second gap and the fourth gap form a second sliding groove segment in the splicing state of the adjacent two platform bottom plates; the bolt structure comprises a first insertion part for stringing the first tooth segment and the third tooth segment, a second insertion part coaxially arranged with the first insertion part and used for stringing the second tooth segment and the fourth tooth segment, and a U-shaped connecting part for connecting the first insertion part and the second insertion part, the first tooth segment and the third tooth segment are both provided with a first perforation for stringing the first insertion part, the second tooth segment and the fourth tooth segment are both provided with a second perforation for stringing the second insertion part, the first insertion part is movably inserted into the first sliding groove segment and the first perforation, and the second insertion part is movably inserted into the second sliding groove segment and the second perforation in cooperation with the first insertion part, so as to realize detachable locking of the adjacent platform bottom plates.

[0014] The present application is a kind of steel pipe column ring beam steel bar operation platform without supporting plate, which is detachably hung and set by setting hanging rib on steel pipe column, does not need to set additional supporting platform on steel pipe column, only needs to install hanging rib and hang operation platform, and hanging rib, steel pipe column and annular platform are detachably connected, which is convenient to disassemble and assemble and can be used repeatedly. BRIEF DESCRIPTION OF DRAWINGS

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

[0016] Figure 2 It is top view of the present application;

[0017] Figure 3 Front view of the hanging rib turning limiting mechanism of the present application;

[0018] Figure 4 Front view of the hanging rib turning limiting mechanism of the present application;

[0019] Figure 5 Front view of the hanging rib turning limiting mechanism of the present application;

[0020] Figure 6 Front view of the hanging rib turning limiting mechanism of the present application;

[0021] Figure 7 Schematic diagram of the insertion of the inserted rib at the splicing position of the ring-shaped platform of the present application;

[0022] Figure 8 Schematic diagram of the insertion of the inserted rib at the splicing position of the ring-shaped platform of the present application;

[0023] Figure 9 Schematic diagram of the structure at the ear plate of the present application.

[0024] In the figure: 101, steel pipe column; 102, weld; 103, ring hoop; 201, first bottom plate; 202, second bottom plate; 203, baffle; 301, hanging rib; 302, sleeve; 303, detachable rib; 304, inserted rib; 305, bottom lifting hole; 40, ear plate; 50, hanging rib turning limiting mechanism; 501, limiting fixed rod; 502, limiting movable rod; 503 control rod; 504, clamping groove; 5041, top lifting hole; 5042, first reset spring; 5043, second reset spring; 505, buckle. DETAILED DESCRIPTION

[0025] As Figures 1-6 shown, the present application comprises: a ring-shaped platform, which is arranged around the outside of the steel pipe column 101; a hanging rib 301 for lifting the ring-shaped platform, the hanging rib 301 comprising a fixed end and a lifting end, the fixed end being fixed to the steel pipe column 101 at a position above the ring-shaped platform, and the lifting end being arranged through the bottom lifting hole and lifting the ring-shaped platform.

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

[0027] Preferably, as Figure 1 and Figure 9 shown, the steel pipe column 101 in the present embodiment is fixed with an ear plate 40, and the hanging rib turning limiting mechanism 50 is fixed to the ear plate 40.

[0028] The fixed end of the hanging tendon 301 is provided with a top hook, and the steel pipe column 1 is fixed with a hanging tendon turning limiting mechanism 50 for limiting the top hook to limit the turning of the hanging tendon 301. The hanging tendon turning limiting mechanism 50 is provided with a top hanging hole 5041 for the top hook to pass through and be hooked, and the top hook passes through the top hanging hole 5041 and is clamped in the hanging tendon turning limiting mechanism 50.

[0029] Preferably, as shown in the steel pipe column 101 in the embodiment is provided with a plurality of hoops 103. Figure 1

[0030] As shown in the steel pipe column 101 in the embodiment is provided with a plurality of hoops 103. Figures 3-6 The hanging tendon turning limiting mechanism 50 includes a main box fixed on the steel pipe column 101, a top hanging hole 5041 vertically penetrating through the main box, a limiting fixed rod 501 and a limiting movable rod 502 arranged on the main box and distributed on both sides of the top hanging hole, and the limiting movable rod 502 and the limiting fixed rod 501 are clamped on both sides of the top hook to limit the rotation of the hanging tendon 301.

[0031] As shown in the steel pipe column 101 in the embodiment is provided with a plurality of hoops 103. Figures 3-6 The main box is provided with a first movable hole extending vertically at a position on one side of the top hanging hole and relative to the limiting fixed rod 501; the limiting movable rod 502 is telescopically arranged in the first movable hole, and the limiting movable rod 502 can be clamped on both sides of the top hook in cooperation with the limiting fixed rod 501 in the state of extending out of the first movable hole; the hanging tendon turning limiting mechanism 50 further includes a telescopic control mechanism arranged on the main box and used for controlling the telescopic movement of the limiting movable rod 502.

[0032] As shown in the steel pipe column 101 in the embodiment is provided with a plurality of hoops 103. Figures 3-6 ​As shown, the telescopic control mechanism comprises a second movable hole vertically extending and formed in the main box, the second movable hole is spaced apart from the first movable hole and both are located at the same side of the top lifting hole, a moving slot is horizontally formed in the interior of the main box, and the first movable hole and the second movable hole are both communicated to the moving slot; the telescopic control mechanism comprises a control rod 503, a clamping groove piece 504, a first reset piece, a second reset piece and a third reset piece, the control rod 503 is telescopically arranged in the second movable hole, the clamping groove piece 504 is arranged in the moving slot and can move horizontally along the moving slot, first and second clamping grooves vertically extending and respectively used for clamping when the control rod 503 is retracted and when the limiting movable rod 502 is retracted are spaced apart and formed in the clamping groove piece 504, the first reset piece is connected between the clamping groove piece 504 and the end of the moving slot, the second reset piece is connected between the bottom of the control rod 503 and the top of the clamping groove piece 504 and has an elastic tendency to make the control rod 503 extend out of the second movable hole, the third reset piece is connected between the bottom of the limiting movable rod 502 and the top of the clamping groove piece 504 and has an elastic tendency to make the limiting movable rod 502 extend out of the first movable hole, in the reset state of the first reset piece, 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 being retracted and clamped in the first movable hole, or the control rod 503 is in the state of being retracted and clamped in the second movable hole and the limiting movable rod 502 is in the state of extending out of the first movable hole.

[0033] As shown in Figure 6 the first and second clamping grooves are respectively formed with a sliding slope for the corresponding buckle to be pressed down to drive the clamping groove piece to move horizontally.

[0034] In the embodiment, the first reset spring 5042 is the first reset piece, and the second reset spring 5043 has two, which are respectively the second reset piece and the third reset piece.

[0035] As shown in Figure 6As shown, in the embodiment, the clamping groove piece 504 is a plate structure, the clamping groove piece 504 is connected to the side inner wall of the main body box through the first reset spring 5042, two clamping grooves are arranged on the clamping groove piece 504, a slope block is arranged at the upper end of each clamping groove, a clamping port is arranged in the bottom end of each clamping groove and faces the first reset spring 5042, the clamping buckle 505 is sleeved with a reset piece, when in use, the control rod 503 is pressed downward, at this time, the control rod 503 will extrude the slope block, causing the clamping groove piece 504 to move to the side of the first reset spring 5042, at this time, the first reset spring 5042 will be in a compressed state, and the clamping buckle 505 will be clamped into the clamping buckle groove, at this time, the limiting movable rod 502 is in an extended state, and due to the action of the first reset spring 5042, the clamping groove piece 504 will reset, when the limiting movable rod 502 needs to be in a retracted state, the limiting movable rod 502 is pressed downward at this time, at this time, the limiting movable rod 502 will extrude the slope block, causing the clamping groove piece 504 to move to the side of the first reset spring 5042, at this time, the clamping buckle 505 below the control rod 503 will be separated from the clamping buckle groove, and will be popped up upward due to the action of the second reset spring 5043, and will return to the extended state, and the clamping buckle 505 at the bottom of the limiting movable rod 502 will be clamped into the clamping buckle groove.

[0036] As Figures 1-2 shown, the annular platform is spliced by a plurality of platform bottom plates, in the embodiment, the annular platform is spliced by a first bottom plate 201 and a second bottom plate 202.

[0037] As Figures 1-2 shown, the edge of the annular platform is provided with a ring-shaped retaining edge 203, by arranging the retaining edge 203, the reinforcing steel bars can be prevented from falling off the platform during the operation process, and the operation of the reinforcing steel bars is facilitated.

[0038] As Figure 2 shown, the lifting end of the reinforcing steel bar 301 is provided with a bottom hook, the annular platform is provided with a bottom lifting hole, a sleeve 302 is fixed to the bottom of the annular platform at the bottom lifting hole, the bottom hook passes through the lifting hole and is clamped into the sleeve 302, the bottom hook comprises a bent hook portion, and the bottom hook and the sleeve 302 constrain the fixed portion and the hook portion in two directions respectively through the bottom lifting hole 305.

[0039] Preferably, in the embodiment, the bottom hook and the top hook of the reinforcing steel bar 301 are reversely arranged.

[0040] As Figure 2 shown, in the embodiment, four reinforcing steel bars 301 jointly lift the annular platform.

[0041] As Figures 7-8As shown, each platform base plate has a first tooth structure and a second tooth structure formed at both ends. When two adjacent platform base plates are spliced ​​together, the adjacent first tooth structure and the second tooth structure mesh with each other. The annular platform also includes several pin structures for radially locking the meshing first tooth structure and the second tooth structure of each pair of adjacent platform base plates.

[0042] like Figures 7-8 As shown, 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 that are adapted to the first tooth segment and the second tooth segment. Each platform base plate has a first notch and a second notch, alternating with the first tooth segment and the second tooth segment, formed at one end corresponding to the first tooth structure. Similarly, a third notch and a fourth notch, alternating with the third tooth segment and the fourth tooth segment, are formed at one end corresponding to the second tooth structure. When two adjacent platform base plates are spliced ​​together, the first tooth segment meshes with the third tooth segment, the second tooth segment meshes with the fourth tooth segment, and the first notch meshes with the third notch, and the second notch meshes with the fourth notch, respectively forming… The first slide section and the second slide section; the pin structure includes a first insertion part for connecting the first toothed section and the third toothed section, a second insertion part coaxially arranged with the first insertion part and for connecting the second toothed section and the fourth toothed section, and a U-shaped connecting part for connecting the first insertion part and the second insertion part. The first toothed section and the third toothed section are each provided with a first through hole for the first insertion part to be connected, and the second toothed section and the fourth toothed section are each provided with a second through hole for the second insertion part to be connected. The first insertion part is movably inserted into the first slide section and the first through hole, and the second insertion part cooperates with the first insertion part to be movably inserted into the second slide section and the second through hole, so as to achieve detachable locking of adjacent platform base plates.

[0043] In this embodiment, as Figures 7-8As shown, the first bottom plate 201 and the second bottom plate 202 are each provided with three pairs of teeth at the splicing position, the first pair of teeth from inside to outside is the first tooth structure, the second pair of teeth and the third pair of teeth are the second tooth structure, the first pair of teeth and the second pair of teeth are provided with the first sliding groove section, the third pair of teeth is provided at the outermost side of the annular platform and the outer side is provided with the second sliding groove section in communication with the outside, the detachable rib 303 includes the first plug-in part, the second plug-in part and the U-shaped connecting part at the bottom, one end of the first plug-in part penetrates into the first perforation, the other end penetrates out of the first sliding groove section and is connected to the first end of the U-shaped connecting part, the second end of the U-shaped connecting part is wound to the outside of the annular platform and penetrates into the second plug-in part in the second perforation from the second sliding groove section. In the embodiment, the plug-in rib 304 is also provided axially along the first perforation and the second perforation, the plug-in rib 304 is movably arranged in the first sliding groove section and can be inserted into the second perforation, when the plug-in rib 304 penetrates into the second perforation and is connected to the second plug-in part, the locking connection between the first bottom plate 201 and the second bottom plate 202 can be strengthened, the upper part of the plug-in rib 304 is provided with the horizontal rib perpendicular to the plug-in rib 304, the length of the horizontal rib is greater than the width of the first cavity and spans above the first cavity, by arranging the horizontal rib to span the first cavity, the overturning between the first bottom plate 201 and the second bottom plate 202 can be prevented.

[0044] Preferably, when designing, the position of the hanging rib 301 is staggered with the position of the subsequent steel bar construction to avoid collision and difficulty in use.

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

[0046] The construction process of an embodiment of the application is as follows:

[0047] S1, based on BIM visualization forward design according to the construction drawing: using BIM technology to forward design the operation platform, ensuring reasonable stress, avoiding component collision, realizing safe and reliable, economic and reasonable;

[0048] S2, factory prefabrication, acceptance: prefabricate various parts of the application for quick assembly during installation, among which the hanging rib turning limiting mechanism 50 needs to be prefabricated with the bottom plate hanging rib 301, and the other parts can be prefabricated separately. And when entering the field, the appearance quality and mechanical properties are rechecked, and only after passing the inspection can it be used;

[0049] S3, installation and use: first, the ring 103 is welded on the steel pipe column 101. Formal installation: the four directions of the lifting bar 301 are hung on the ear plate 40 of the steel pipe column 101 through the lifting bar turning limiting mechanism 50 → the bottom hook of the lifting bar 301 is hung out of the bottom lifting hole 305 of the ring platform → the teeth of the first bottom plate 201 and the second bottom plate 202 are connected and spliced, the detachable bar 303 is inserted into the hole of the splicing position, the platform bottom plate is preliminarily positioned and connected → the limiting movable rod 502 is pressed down, at this time, the limiting movable rod 502 is in the retracted state → the top hook of the lifting bar 301 is hooked between the limiting fixed rod 501 and the limiting movable rod 502, while the top hook is rotated, the bottom hook of the lifting bar 301 is also counterclockwise rotated to the corresponding position, and the bottom hook of the lifting bar 301 drags the bottom plate → the control rod 503 is pressed down, and the limiting movable rod 502 is ejected at the same time → at this time, the top hook and the bottom hook of the lifting bar 301 are limited → the rubber sleeve 302 is sleeved on the bottom hook of the lifting bar 301 to avoid the sliding of the platform during operation, and the operation is not stable → the bottom plate top plug-in bar 304 is inserted into the second perforation of the splicing position tooth to further strengthen the connection between the first bottom plate 201 and the second bottom plate 202 → the platform stability and other parameters are checked → the ring beam steel bar is bound, at this time, the bottom plate baffle 203 ensures that the steel bar does not slip out of the platform, facilitates the steel bar operation, and after the construction is completed, the locking of the lifting bar 301 is released, and the ring platform is removed.

[0050] Finally, it should be noted that: the above is only the preferred embodiment of the present application, and is not used to limit the present application, although the present application is described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A palletless steel pipe column ring beam reinforcement operation platform, installed on the outside of the steel pipe column, characterized in that, include: A ring platform is detachably assembled from multiple platform base plates, the ring platform being arranged around the outside of the steel pipe column; a lifting rod for hoisting the ring platform, the lifting rod including a fixed end and a hoisting end, the fixed end being detachably fixed to the steel pipe column above the ring platform, and the hoisting end being detachably connected to the ring platform; The fixed end of the suspension rod is provided with a top hook, and the steel pipe column is fixed with a suspension rod turning limiting mechanism for limiting the top hook to prevent the suspension rod from turning. The suspension rod turning limiting mechanism is provided with a top lifting hole for the top hook to pass through and hook. The top hook passes through the top lifting hole and is clamped in the suspension rod turning limiting mechanism. The lifting rod turning and limiting mechanism includes: a main body box, which is fixed on the steel pipe column, and the main body box has the top lifting hole through it vertically; The limiting and fixing rods and the limiting and movable rods are provided on the main body box and distributed on both sides of the top lifting hole. The limiting and movable rods and the limiting and fixing rods can be clamped on both sides of the top hook to limit the rotation of the lifting rod.

2. The palletless steel pipe column ring beam reinforcement operation platform as described in claim 1, characterized in that: The main body box has a first movable hole extending vertically on one side of the top lifting hole and at a position relative to the limiting fixing rod; the limiting movable rod is telescopically disposed in the first movable hole, and when the limiting movable rod extends out of the first movable hole, it can cooperate with the limiting fixing rod to clamp the two sides of the top hook; the lifting rod turning limiting mechanism also includes a telescopic control mechanism disposed on the main body box and used to control the telescopic movement of the limiting movable rod.

3. The palletless steel pipe column ring beam reinforcement operation platform as described in claim 2, characterized in that: The main body box also has a second movable hole extending vertically. The second movable hole is spaced apart from the first movable hole and both are located on the same side of the top hanging hole. A moving groove is provided horizontally inside the main body box, and both the first and second movable holes communicate with the moving groove. The telescopic control mechanism includes a control rod, a locking slot, a first reset component, a second reset component, and a third reset component. The control rod is telescopically disposed within the second movable hole. The locking slot is disposed within the moving groove and can move horizontally along the moving groove. The locking slot has a first locking groove and a second locking groove spaced apart vertically, which respectively secure the control rod when it retracts and the limiting movable rod when it retracts. The first reset component connects to... Between the ends of the slot and the movable slot, the second reset member is connected between the bottom of the control rod and the top of the slot 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 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 the state of extending out of the second movable hole and the limiting movable rod is in the state of retracting and locking in the first movable hole, or the control rod is in the state of retracting and locking in the second movable hole and the limiting movable rod is in the state of extending out of the first movable hole.

4. The palletless steel pipe column ring beam reinforcement operation platform as described in claim 3, characterized in that, Both the first and second slots have laterally extending latching grooves on the side relatively close to / relatively far from the first reset member. The bottom of the control rod and the limiting rod each have a latch on the corresponding side that is adapted to the corresponding latching groove. The openings of the first and second slots are respectively formed with slopes for the corresponding latches to be pressed down to drive the slot member to move laterally.

5. The palletless steel pipe column ring beam reinforcement operation platform as described in claim 1, characterized in that, The annular platform has a retaining edge around its edge.

6. The palletless steel pipe column ring beam reinforcement operation platform as described in claim 1, characterized in that, The lifting end of the lifting rod is provided with a bottom hook, and a bottom lifting hole is opened on the annular platform. A sleeve is fixed at the bottom of the annular platform at the bottom lifting hole. The axis of the sleeve is perpendicular to the through direction of the bottom lifting hole. The bottom hook passes through the bottom lifting hole and is inserted into the sleeve.

7. The palletless steel pipe column ring beam reinforcement operation platform as described in claim 1, characterized in that, Each platform base plate has a first tooth structure and a second tooth structure formed at both ends. When two adjacent platform base plates are spliced ​​together, the adjacent first tooth structure and the second tooth structure mesh with each other. The annular platform also includes a number of pin structures for radially locking the meshing first tooth structure and the second tooth structure of each pair of adjacent platform base plates.

8. The steel pipe column ring beam reinforcement operation platform without support plate as described in claim 7, characterized in 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 that are adapted to the first tooth segment and the second tooth segment. Each platform base plate has a first notch and a second notch, alternating with the first tooth segment and the second tooth segment, formed at one end corresponding to the first tooth structure. Similarly, a third notch and a fourth notch, alternating with the third tooth segment and the fourth tooth segment, are also formed at one end corresponding to the second tooth structure. When two adjacent platform base plates are spliced ​​together, the first tooth segment meshes with the third tooth segment, the second tooth segment meshes 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 the first tooth segment. The slide section and the second slide section; the pin structure includes a first insertion part for connecting the first toothed section and the third toothed section, a second insertion part coaxially arranged with the first insertion part and for connecting the second toothed section and the fourth toothed section, and a U-shaped connecting part for connecting the first insertion part and the second insertion part. The first toothed section and the third toothed section are each provided with a first through hole for the first insertion part to be connected, and the second toothed section and the fourth toothed section are each provided with a second through hole for the second insertion part to be connected. The first insertion part is movably inserted into the first slide section and the first through hole, and the second insertion part cooperates with the first insertion part to be movably inserted into the second slide section and the second through hole, so as to achieve detachable locking of adjacent platform base plates.

Images