CN220814842U - Elevartor shaft operation platform and construction structures - Google Patents

Abstract

The utility model discloses an elevator shaft operating platform and a construction structure, wherein a protection unit is arranged above an auxiliary support, a rail in the protection unit is connected with a telescopic frame in a sliding way through a telescopic rod, the rail can axially move along the telescopic rod to extend or retract, the rail around the telescopic frame extends to form a square shape and encloses a wellhead reserved on a floor slab of a previous floor, and the rail is kept in an extending state by locking the distance between the rail and the telescopic frame through a locking unit, so that constructors or construction materials are prevented from falling from the wellhead reserved on the floor slab of the previous floor slab, and the construction safety is ensured; when the distance between the fence and the inner wall of the wellhead is required to be reserved so as to cast concrete and lift the elevator shaft operation platform, the fence can be moved and retracted towards the telescopic frame without frequently disassembling the fence, the problem that the existing liftable operation platform is complicated in use due to the disassembly and assembly of the fence can be effectively solved, and the effect of improving the construction efficiency is achieved.

Description

Elevartor shaft operation platform and construction structures

Technical Field

The utility model belongs to the technical field of construction tools in fixed buildings, and particularly relates to an elevator shaft operation platform and a construction structure.

Background

In the construction of an elevator shaft, a constructor is required to prop up a formwork between a construction floor and a wellhead reserved on a floor slab of the previous floor to pour the shaft, and an operation platform is required to be erected at the wellhead reserved on the floor slab of the construction floor for conveniently erecting a mould. A lifting type operation platform is adopted at present, such as a finalized elevator shaft construction operation platform device disclosed in chinese patent CN202090578U, and the lifting type operation platform comprises a main support and an auxiliary support, wherein the main support is positioned at a wellhead reserved on a floor slab of a construction floor and is detachably connected with the floor slab or a well poured below, and the auxiliary support is positioned on a table top of the main support and extends to the wellhead reserved on the floor slab of the previous floor so as to facilitate a constructor to prop up a mold; after the well of the current construction floor is poured, the well can be directly lifted to the previous floor to continue construction through the vertical conveying machinery, and the construction efficiency is improved.

When the liftable operating platform is used, in order to ensure construction safety, the periphery of the wellhead reserved on the previous floor is required to be provided with fences based on the auxiliary support, so that the area where the wellhead is positioned is vacated, and constructors or construction materials are prevented from falling from the wellhead reserved on the floor of the previous floor; and after pouring, for handling operation platform to last floor, need demolish all rail, install last floor after the handling, still need connect again and set up the rail, in addition, when pouring, for reserving the operating space that supplies constructor to pour, also need demolish partial rail, result in liftable operation platform's use comparatively complicated, have great influence to the efficiency of construction.

Therefore, it is necessary to design an operation platform with a fence and capable of being flexibly adjusted, so as to reduce the use difficulty of the liftable operation platform and improve the construction efficiency.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to provide an elevator shaft operation platform and a construction structure, which solve the technical problem that the prior liftable operation platform is complicated due to the disassembly and assembly of a fence, and achieve the effect of improving the construction efficiency.

In order to solve the technical problems, the utility model adopts the following technical scheme:

An elevator shaft operating platform comprises a main bracket, an auxiliary bracket and a protection unit which are sequentially connected from bottom to top; the protection unit includes the expansion bracket that the level set up, and the expansion bracket is connected with the upper end of auxiliary stand, and four rail are set up respectively immediately around the expansion bracket, four rail enclose into square in order to block the well head of reserving on the floor of construction floor, and perpendicular to rail is equipped with the telescopic link between rail and the expansion bracket, and the one end and the rail of telescopic link are connected, and the other end and the expansion bracket sliding connection of telescopic link, telescopic link can follow self axial slip so that based on the expansion bracket stretches out and retracts the rail, still are equipped with between expansion bracket and the telescopic link and are used for making the rail keep stretching out and the locking element of retracting.

Further, the fence comprises a plurality of cross bars which are parallel to each other and are vertically arranged at intervals and a vertical rod which is connected with the cross bars; the expansion bracket is square and consists of two upper pipes which are parallel to each other and two lower pipes which are connected below the upper pipes and are parallel to each other; two telescopic rods are arranged between the fence and the telescopic frame, and are respectively positioned in the two upper pipes or the two lower pipes and are in sliding fit.

Further, the fence comprises two cross bars and two vertical bars, and the two telescopic bars are respectively connected with the two vertical bars.

Further, the upper pipe and the lower pipe are respectively provided with a first jack close to two ends, two second jacks are axially arranged on the telescopic rod at intervals, any second jack can be opposite to the first jack by axially sliding the telescopic rod along the telescopic rod, a plug pin is inserted into the first jack and the opposite second jack so that the fence can be kept to extend or retract, and the first jack, the second jack and the plug pin form the locking unit.

Further, the auxiliary support comprises four main rods which are vertically arranged and distributed in a square shape, auxiliary rods are connected between two adjacent main rods, and the main rods are tubular; correspondingly, four connecting rods are connected below the telescopic frame, and the four connecting rods are movably inserted into the upper ends of the four main rods one by one so that the upper ends of the auxiliary brackets are detachably connected with the telescopic frame.

Further, four connecting columns are arranged on the table top of the main support, and the four connecting columns are movably inserted into the lower ends of the four main rods one by one so that the lower ends of the auxiliary supports are detachably connected with the main support.

Further, at least two triangular supports which are arranged at intervals in parallel are arranged below the table top, one right-angle side of each triangular support is transversely arranged and connected with the table top, the other right-angle side of each triangular support is vertically arranged and is vertically connected with a supporting block, and the supporting blocks extend towards the direction away from the hypotenuse of each triangular support.

Further, the table top consists of a square frame and a supporting plate which is arranged on the square frame in a covering mode, and hanging rings are connected to the periphery of the square frame so as to facilitate hanging.

Further, a plurality of first reinforcing rods are transversely arranged on the square frame, the plurality of first reinforcing rods are arranged at intervals in parallel, a second reinforcing rod is connected between two adjacent triangular supports, and a third reinforcing rod is connected between the hypotenuse in each triangular support and the vertical right-angle side.

The utility model also comprises an elevator shaft construction structure, which comprises the elevator shaft operation platform, wherein the table top is positioned in a well head reserved on a floor slab of a construction floor, one side of the table top, which is far away from the supporting block, is abutted with the inner wall of the well head, and the supporting block is positioned above the floor slab of the next floor and is abutted with the edge of an elevator door opening on the next floor; the upper end of the auxiliary support extends into a wellhead reserved on the floor slab of the previous floor, the protection unit is located above the floor slab of the previous floor, the lower end of the fence is close to the floor slab of the previous floor, and four fences enclose a square and block the wellhead reserved on the floor slab of the previous floor.

Compared with the prior art, the utility model has the following beneficial effects:

1. According to the elevator shaft operation platform, the protection unit is arranged above the auxiliary support, the rail can axially extend or retract along the telescopic rod, the rail around the telescopic frame extends to form a square shape and encloses the well head reserved on the floor slab of the previous floor, and the rail is kept in an extending state by locking the distance between the rail and the telescopic frame through the locking unit, so that constructors or construction materials are prevented from falling from the well head reserved on the floor slab of the previous floor, and the construction safety is ensured.

2. According to the elevator shaft operation platform, when the distance between the fence and the inner wall of the wellhead is required to be reserved so as to pour concrete and lift the elevator shaft operation platform, the fence can move towards the telescopic frame and retract, the fence does not need to be frequently disassembled and assembled, the problem that the conventional liftable operation platform is complicated in use due to the disassembly and assembly of the fence can be effectively solved, and the effect of improving the construction efficiency is achieved.

3. According to the elevator shaft operation platform, the two ends of the auxiliary support are detachably connected with the protection unit and the main support respectively, and when in lifting, the protection unit, the auxiliary support and the main support can be directly detached for independent lifting, so that the lifting difficulty of the elevator shaft operation platform can be effectively reduced.

Drawings

Fig. 1 is a front view of an elevator shaft operating platform and construction structure of an embodiment;

fig. 2 is a top view of the protection unit according to the embodiment;

fig. 3 is a perspective view of the fence of the guard unit according to the embodiment;

Fig. 4 is a perspective view of the fence in the guard unit according to the embodiment;

FIG. 5 is a side view of a main support according to an embodiment;

Fig. 6 is a schematic view of a construction state of an elevator shaft operation platform according to an embodiment;

The main support 1, the connecting post 11, the triangular support 12, the supporting block 13, the table top 14, the square frame 141, the supporting plate 142, the hanging ring 15, the first reinforcing rod 16, the second reinforcing rod 17, the third reinforcing rod 18, the auxiliary support 2, the main rod 21, the auxiliary rod 22, the protection unit 3, the telescopic frame 31, the telescopic rod 311, the upper pipe 312, the lower pipe 313, the connecting rod 314, the fence 32, the cross rod 321, the vertical rod 322, the construction floor 4, the wellhead 5, the upper floor 6 and the elevator door opening 7.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance. Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined. In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples:

Referring to fig. 1 to 4, an elevator shaft operating platform includes a main support 1, an auxiliary support 2 and a protection unit 3 connected in sequence from bottom to top; the protection unit 3 comprises a telescopic frame 31 which is horizontally arranged, the telescopic frame 31 is connected with the upper end of the auxiliary support 2, four fences 32 are vertically arranged outside the telescopic frame 31, and the telescopic frame 31 is positioned in a square area surrounded by the four fences 32; a telescopic rod 311 is arranged between the fence 32 and the telescopic frame 31 perpendicular to the fence 32, one end of the telescopic rod 311 is connected with the fence 32, the other end of the telescopic rod 311 is slidably connected with the telescopic frame 31, the telescopic rod 311 can axially slide along the telescopic rod 311 so as to extend and retract the fence 32 based on the telescopic frame 31, and a locking unit for keeping the fence 32 extended and retracted is further arranged between the telescopic frame 31 and the telescopic rod 311.

The elevator shaft operation platform is characterized in that a protection unit 3 is arranged above an auxiliary support 2, when an elevator shaft is constructed, the auxiliary support 2 extends upwards from a wellhead 5 on a floor slab of a construction floor 4 to a wellhead 5 on a floor slab of a previous floor 6, and the protection unit 3 is connected to the upper end of the auxiliary support 2 and is positioned above the previous floor 6 of the construction floor 4; the fence 32 in the protection unit 3 is in sliding connection with the telescopic frame 31 through the telescopic rod 311, the fence 32 around the telescopic frame 31 stretches out to form a square shape and enclose the wellhead 5 reserved on the floor slab of the previous floor 6, the area where the wellhead 5 is positioned on the floor slab is vacated, and the fence 32 is kept in a stretching state by locking the distance between the fence 32 and the telescopic frame 31 through the locking unit, so that constructors or construction materials are prevented from falling from the wellhead 5 reserved on the floor slab of the previous floor 6, and the construction safety is ensured;

After the well casting of the construction floor 4 is completed, retracting the fence 32 and locking the fence by the locking unit, so that the fence 32 and the corresponding inner wall of the well mouth 5 are kept at a certain distance, the possibility that the fence 32 is blocked by the well mouth 5 on the floor of the last floor 6 in the lifting process is reduced, and the protection unit 3 can be lifted upwards along with the main support 1 and the auxiliary support 2 after the well casting of the current construction floor 4 is completed; similarly, when concrete needs to be poured from the wellhead 5 reserved on the floor slab of the previous floor 6 to finish well casting of the construction floor 4, the locking unit is firstly used for unlocking the rails 32, then the rails 32 are pushed to move towards the telescopic frame 31, one or more rails 32 are retracted, and a space for casting operation is reserved between the rails 32 and the corresponding inner wall of the wellhead 5; need not frequent dismouting rail, can effectively solve present liftable formula operation platform and lead to using complicated problem because of the dismouting of rail 32, obtain the effect that improves the efficiency of construction.

Referring to fig. 2 and 3, the rail 32 and the telescopic frame 31 adopt the following structural forms:

the fence 32 comprises a plurality of cross bars 321 and vertical rods 322, wherein the cross bars 321 and the vertical rods 322 are mutually parallel and vertically arranged at intervals, in the embodiment, the fence 32 comprises two cross bars 321 and two vertical rods 322, the two vertical rods 322 are vertically connected between the two cross bars 321, and the two telescopic rods 311 are respectively connected with the two vertical rods 322; the expansion bracket 31 is square and consists of two upper pipes 312 which are parallel to each other and two lower pipes 313 which are connected below the upper pipes 312; two telescopic rods 311 are arranged between the fence 32 and the telescopic frame 31, the two telescopic rods 311 are respectively positioned in the two upper pipes 312 or the two lower pipes 313 and are in sliding fit, and the telescopic rods 311 in the two adjacent fences 32 are respectively in sliding fit with the upper pipes 312 and the lower pipes 313;

In this way, the adjacent two fences 32 have height difference in the vertical direction, the cross bars 321 of the adjacent two fences 32 are alternately distributed in the vertical direction, so that the fences 32 can extend or retract along the axial direction of the telescopic rod 311, and the fences 32 do not interfere with each other; under the same telescopic range, the length of the fence 32 can be further increased, namely, the length of the cross rod 321 is increased, and the gap between two adjacent ends of two adjacent fences 32 after the fence 32 stretches out is reduced, so that the protection effect is improved.

In practice, the expansion bracket 31 may also be cross-shaped and be formed by vertically connecting a transverse upper pipe 312 and a lower pipe 313, correspondingly, the expansion rod 311 between each rail 32 and the expansion bracket 31 is one, the expansion rod 311 should adopt a rod piece with a non-circular section, and the internal sections of the upper pipe 312 and the lower pipe 313 should be matched with the section of the expansion rod 311 so as to avoid the rail 32 from rotating based on the expansion rod 311; the expansion bracket 31 may also be shaped like a well and consist of two upper pipes 312 parallel to each other and two lower pipes 313 connected below the upper pipes 312.

In practice, the locking unit may take the following structural form: threaded holes are respectively formed in the upper pipe 312 and the lower pipe 313 near two ends in a penetrating manner, bolts are connected in the threaded holes in a threaded manner, the rod parts of the bolts are positioned in the upper pipe 312 or the lower pipe 313 and are abutted against the corresponding telescopic rods 311, and the threaded holes and the bolts form the locking unit;

In this embodiment, the locking unit adopts a structure that two first jacks (not shown) are respectively arranged on the upper pipe 312 and the lower pipe 313 near two ends, two second jacks (not shown) are axially arranged on the telescopic rod 311 at intervals, the telescopic rod 311 can make any one of the second jacks face the first jack by sliding along the axial direction of the telescopic rod 311, and a plug pin (not shown) is inserted between the first jack and the opposite second jack to keep the fence 32 extending or retracting; compared with the locking of the bolt butt joint, the locking device is better in reliability, and the locking of the extension or retraction of the fence 32 is realized by pulling out and inserting the bolt, so that the locking device is more rapid compared with the locking of the bolt screwing, is more convenient to use, and is beneficial to improving the construction efficiency.

Referring to fig. 1, the auxiliary bracket 2 includes four main rods 21 vertically arranged and distributed in a square shape, an auxiliary rod 22 is connected between two adjacent main rods 21, and the main rods 21 are tubular; correspondingly, four connecting rods 314 are connected below the telescopic frame 31, and the four connecting rods 314 are movably inserted into the four main rods 21 one by one so as to detachably connect the upper end of the auxiliary bracket 2 with the telescopic frame 31; the auxiliary rod 22 may be disposed transversely or obliquely for connecting and reinforcing the structural strength of the auxiliary bracket 2, and in this embodiment, the connecting rod 314 is connected to the lower pipe 313;

In this way, after the protection unit 3 is additionally arranged, the vertical dimension of the elevator shaft operation platform is further increased, so that the transverse span of the upper end and the lower end of the elevator shaft operation platform is more obviously increased along with the inclination angle of the elevator shaft operation platform during lifting, and in order to avoid the blocking of the elevator shaft operation platform by the upper floor 6 and the wellhead 5 on the floor of the upper floor 6 during lifting, the requirement on the verticality of the elevator shaft operation platform is higher and the lifting difficulty is higher during lifting; therefore, the connecting rod 314 is movably inserted into the main rod 21 to realize the detachable connection of the protection unit 3 and the auxiliary bracket 2, and the protection unit 3 can be directly dismounted and lifted independently during lifting so as to reduce the lifting difficulty of the elevator shaft operation platform;

Referring to fig. 1 and 5, correspondingly, in order to further reduce the lifting difficulty, four connecting columns 11 are provided on the table top 14 of the main support 1, and the four connecting columns 11 are movably inserted into the four main rods 21 one to one so that the lower end of the auxiliary support 2 is detachably connected with the main support 1, so that the main support 1 and the auxiliary support 2 can be lifted in a detachable manner, and in order to ensure the connection reliability of the auxiliary support 2 and the main support 1, bolts can be arranged to penetrate through the lower end of the main rod 21 and the connecting columns 11 and connect nuts.

Referring to fig. 1 and 5, in this embodiment, the main bracket 1 adopts the following structural form: at least two triangular supports 12 which are arranged in parallel at intervals are arranged below the table top 14, one right-angle side of each triangular support 12 is transversely arranged and connected with the table top 14, the other right-angle side of each triangular support 12 is vertically arranged and is vertically connected with a supporting block 13, and the supporting blocks 13 extend towards the direction far away from the hypotenuse of each triangular support 12; the table top 14 consists of a square frame 141 and a supporting plate 142 which is arranged on the square frame 141 in a covering manner, and the periphery of the square frame 141 is connected with hanging rings 15 for hanging; the square frame 141 is transversely provided with a plurality of first reinforcing rods 16, the plurality of first reinforcing rods 16 are arranged at intervals in parallel, a second reinforcing rod 17 is connected between two adjacent triangular supports 12, and a third reinforcing rod 18 is connected between the hypotenuse in the triangular supports 12 and the vertical right-angle side.

Referring to fig. 1 and 6, in order to facilitate understanding of the elevator shaft operation platform according to the present utility model, the elevator shaft operation platform and the building structure are described as follows when used for elevator shaft construction: the table top 14 is positioned in a wellhead 5 reserved on a floor slab of a construction floor 4, one side of the table top 14 away from the supporting block 13 is abutted against the inner wall of the wellhead 5, the supporting block 13 is positioned above the floor slab of the next floor and abutted against the edge of an elevator door opening 7 on the next floor, the two abutted parts enable the auxiliary support 2 to bear vertical pressure, when the auxiliary support is lifted vertically, the lower end of the main support 1 swings in a direction away from the elevator door opening 7 under the action of gravity, so that the supporting block 13 is separated from the elevator door opening 7 and does not collide with the upper wellhead 5, and the lifting is completed smoothly; the upper end of the auxiliary support 2 extends into the wellhead 5 reserved on the floor slab of the previous floor 6, the protection unit 3 is located above the floor slab of the previous floor 6, the lower end of the fence 32 is close to the previous floor 6, four fences 32 enclose into a square shape and block the wellhead 5 reserved on the floor slab of the previous floor 6, so that constructors or construction materials are prevented from falling from the wellhead 5 reserved on the floor slab of the previous floor 6, and construction safety is guaranteed.

Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the technical solution, and those skilled in the art should understand that modifications and equivalents may be made to the technical solution of the present utility model without departing from the spirit and scope of the present utility model, and all such modifications and equivalents are included in the scope of the claims.

Claims (10)

1. An elevator shaft operating platform, characterized in that: comprises a main bracket, an auxiliary bracket and a protection unit which are sequentially connected from bottom to top; the protection unit includes the expansion bracket that the level set up, and the expansion bracket is connected with the upper end of auxiliary stand, and four rail are set up respectively immediately around the expansion bracket, four rail enclose into square in order to block the well head of reserving on the floor of construction floor, and perpendicular to rail is equipped with the telescopic link between rail and the expansion bracket, and the one end and the rail of telescopic link are connected, and the other end and the expansion bracket sliding connection of telescopic link, telescopic link can follow self axial slip so that based on the expansion bracket stretches out and retracts the rail, still are equipped with between expansion bracket and the telescopic link and are used for making the rail keep stretching out and the locking element of retracting.

2. The hoistway operating platform of claim 1, wherein: the fence comprises a plurality of cross bars which are parallel to each other and are vertically arranged at intervals and a vertical rod which is connected with the cross bars; the expansion bracket is square and consists of two upper pipes which are parallel to each other and two lower pipes which are connected below the upper pipes and are parallel to each other; two telescopic rods are arranged between the fence and the telescopic frame, and are respectively positioned in the two upper pipes or the two lower pipes and are in sliding fit.

3. The hoistway operating platform of claim 2, wherein: the rail comprises two cross bars and two vertical bars, and the two telescopic bars are respectively connected with the two vertical bars.

4. The hoistway operating platform of claim 2, wherein: the upper pipe and the lower pipe are respectively provided with a first jack close to two ends, two second jacks are axially arranged on the telescopic rod at intervals, any second jack can be opposite to the first jack by axially sliding the telescopic rod along the telescopic rod, a plug pin is inserted into the first jack and the opposite second jack so that the fence can be extended or retracted, and the first jack, the second jack and the plug pin form the locking unit.

5. The hoistway operating platform of claim 1, wherein: the auxiliary support comprises four main rods which are vertically arranged and distributed in a square shape, auxiliary rods are connected between two adjacent main rods, and the main rods are tubular; correspondingly, four connecting rods are connected below the telescopic frame, and the four connecting rods are movably inserted into the upper ends of the four main rods one by one so that the upper ends of the auxiliary brackets are detachably connected with the telescopic frame.

6. The hoistway operating platform of claim 5, wherein: four connecting columns are arranged on the table top of the main support, and the four connecting columns are movably inserted into the lower ends of the four main rods one by one so that the lower ends of the auxiliary supports are detachably connected with the main support.

7. The hoistway operating platform of claim 6, wherein: the lower part of the table top is provided with at least two triangular supports which are arranged at intervals in parallel, one right-angle side of each triangular support is transversely arranged and connected with the table top, the other right-angle side of each triangular support is vertically arranged and is vertically connected with a supporting block, and the supporting blocks extend towards the direction far away from the hypotenuse of each triangular support.

8. The hoistway operating platform of claim 7, wherein: the table top consists of a square frame and a supporting plate which is arranged on the square frame in a covering mode, and hanging rings are connected to the periphery of the square frame so as to facilitate hanging.

9. The hoistway operating platform of claim 8, wherein: the square frame is transversely provided with a plurality of first reinforcing rods, the plurality of first reinforcing rods are arranged at intervals in parallel, a second reinforcing rod is connected between two adjacent triangular supports, and a third reinforcing rod is connected between the hypotenuse in the triangular supports and the vertical right-angle side.

10. An elevator shaft construction structure, its characterized in that: an elevator shaft operating platform comprising any one of claims 7-9, wherein the table top is positioned in a wellhead reserved on a floor slab of a construction floor, one side of the table top away from a supporting block is abutted against the inner wall of the wellhead, and the supporting block is positioned above the floor slab of a next floor and abutted against the edge of an elevator door opening on the next floor; the upper end of the auxiliary support extends into a wellhead reserved on the floor slab of the previous floor, the protection unit is located above the floor slab of the previous floor, the lower end of the fence is close to the floor slab of the previous floor, and four fences enclose a square and block the wellhead reserved on the floor slab of the previous floor.