CN210369849U - Operating platform in elevator shaft - Google Patents

Abstract

The application relates to the field of scaffold in an elevator shaft, in particular to an operating platform in the elevator shaft. The embodiment of the application provides an operation platform in elevator shaft, and it includes landing slab and support frame, and the landing slab is fixed in on the support frame and is supported by the support frame, is provided with a plurality of tops around the landing slab and holds in the palm, a plurality of tops hold in the palm be used for with the well inner wall butt of elevartor shaft. This application sets up the landing slab that has support frame and a plurality of top to hold in the palm, and a plurality of tops hold in the palm butt makes the landing slab can block in the arbitrary high position of well inner wall at the well inner wall, and the support frame is used for accepting the intensity and the load capacity of landing slab in order to improve the landing slab, and the operation platform can conveniently fix the landing slab in the well inner wall in order to be used for the construction operation in the elevator that this application provided, has solved among the prior art inconvenient problem of putting up the scaffold in the elevator well.

Description

Operating platform in elevator shaft

Technical Field

The application relates to the field of scaffold in an elevator shaft, in particular to an operating platform in the elevator shaft.

Background

The elevator well is generally a rectangular vertical well structure with three shear walls and an opening on one surface, and because the elevator well is a special structure which is long in the vertical direction and narrow in the horizontal direction, a scaffold or a safety protection frame for construction operation must be erected in the elevator well. Because structural particularity, scaffold in the elevator well, protection frame can only be independent of other scaffold of building subject and set up alone, and operating space is limited in the elevator well, and vertical difference in height is big, and inconvenient fixed, and the support body sets up the degree of difficulty in the well greatly.

SUMMERY OF THE UTILITY MODEL

The application aims at providing an operation platform in elevator shaft to solve the problem that in the prior art, a scaffold is inconvenient to build in the elevator shaft.

The embodiment of the application is realized as follows:

the embodiment of the application provides an operation platform in elevator shaft, and it includes landing slab and support frame, the landing slab is fixed in on the support frame and by the support frame supports, be provided with a plurality of tops around the landing slab and hold in the palm, a plurality of tops hold in the palm be used for with the well inner wall butt of elevartor shaft.

This application sets up the landing slab that has support frame and a plurality of top to hold in the palm, and a plurality of tops hold in the palm butt makes the landing slab can block in the arbitrary high position of well inner wall at the well inner wall, and the support frame is used for accepting the intensity and the load capacity of landing slab in order to improve the landing slab, and the operation platform can conveniently fix the landing slab in the well inner wall in order to be used for the construction operation in the elevator that this application provided, has solved among the prior art inconvenient problem of putting up the scaffold in the elevator well.

In an embodiment of the present application, optionally, each of the top supports includes a supporting plate, a screw rod and a nut, the nut is fixed to the platform plate or the supporting frame, the screw rod is fitted to the nut, and the supporting plate is disposed at one end of the screw rod.

Through fixation nut on landing slab or support frame, one end has the screw rod and this nut cooperation of layer board, and wherein the layer board is outside and be close to the well inner wall, rotates the screw rod and makes the screw rod stretch out and can make layer board and well inner wall butt, stable in structure, easy operation, simple to operate.

In an embodiment of the present application, optionally, the landing slab includes a slab body and a slab body frame fixed to a lower surface of the slab body, the plurality of jacking brackets include a first jacking bracket, the first jacking bracket is disposed on the slab body frame, and the first jacking bracket is used for abutting against two inner walls of the hoistway opposite to the elevator hoistway.

Through setting up the landing slab into two parts including plate body and plate body frame, the plate body frame is used for the fixed mounting plate body to strengthen the intensity of plate body, improve the bearing capacity of landing slab. First top holds in the palm the setting and is close to the both sides of two relative well inner walls of elevartor shaft at the plate body, and a plurality of first tops hold in the palm respectively the butt elevartor shaft two relative well inner walls in order to establish the plate body card at a certain high position of well, and the landing slab receives the holding power and the frictional force of two relative well inner walls of elevartor shaft and fixes under the effect of first top support to overcome dead weight and load.

In an embodiment of the present application, optionally, the plate body frame includes a first horizontal beam, and the first jacking is respectively disposed at two ends of the first horizontal beam.

The first horizontal beam is arranged in the plate body frame, the first jacking supports are arranged at two ends of the first horizontal beam, the first horizontal beam and the first jacking supports are integrally abutted between two opposite inner walls of the elevator shaft, the first horizontal beam and the first jacking supports can be integrally regarded as rod-shaped members, the force transmission path is simple, the rod-shaped members are mainly stressed in the axial direction, the axial compression resistance is stronger than the lateral bending shear resistance, and the first jacking supports are not easy to damage; in addition, when load, first top holds in the palm also can receive curved shear force, and first top holds in the palm the setting at the both ends of first horizontal beam, and the length of coincidence between first top support and the first horizontal beam can set up longer to can strengthen the bending resistance of first top support and cut the ability, first top support is difficult to damage.

In an embodiment of the present application, optionally, the supporting frame includes two opposite right-angled triangle supports, each of the right-angled triangle supports includes a second horizontal beam, a vertical column, and an oblique support, which are connected in sequence, the vertical column abuts against an inner wall of a hoistway where an opening of the elevator hoistway is located, the second horizontal beam is disposed at the bottom of the landing slab, the plurality of top brackets includes a second top bracket, the second top bracket is disposed on the second horizontal beam, and the second top bracket is used for abutting against an inner wall of the hoistway opposite to the opening of the elevator hoistway.

Through setting the support frame to two right triangle support pieces that set up relatively, and set up the second on its second horizontal beam and push up the support, when the landing slab was fixed at the well inner wall, the second pushes up the support butt on the well inner wall that the opening is relative, the stand supports and leans on the well inner wall at opening place, the stand card is supported and is leaned on the well inner wall about the opening or wholly, only need make the second push up the support stretch out and just can make the second push up the support and establish the landing slab card in a certain high position department of elevartor shaft with the stand cooperation. In addition, when the right-angle triangular support piece is loaded at the upper part, the lower part stress direction of the right-angle triangular support piece faces towards the inner wall of the shaft of the opening of the elevator shaft, and the upper part stress direction of the right-angle triangular support piece faces towards the inner wall of the shaft opposite to the opening of the elevator shaft, so that the acting force between the right-angle triangular support piece and the inner wall of the shaft is increased, the friction force is increased, the acting force between the second jacking and the inner wall of the shaft is increased, the friction force is increased, when the load on the platform board is increased, the effect that the force of the support frame resisting the downward sliding is also increased is achieved.

In one embodiment of the application, the right-angled triangular support is optionally provided with a dowel for resting on an adjoining building structure at the opening of the elevator hoistway.

Through setting up the dowel steel, the dowel steel can be used for shelving on the building structure that the opening part of elevartor shaft is adjoined, for example shelve on the floor of the opening part of elevartor shaft, under the effect of dowel steel, right angled triangle support piece receives the ascending holding power that the floor transmitted to prevent the landing slab gliding, promote the load-carrying capacity of landing slab.

In an embodiment of the present application, optionally, the right-angled triangle support comprises an abdominal support bar connecting a right-angled position of the right-angled triangle support with a middle position of the diagonal support.

The abdomen supporting rod for connecting the right-angle point and the oblique support is arranged on the right-angled triangle supporting piece, so that the overall stability of the right-angled triangle supporting piece is improved.

In an embodiment of the present application, optionally, the support frame comprises a stiffener connecting two of the right triangle supports.

The two right-angled triangle supporting pieces are connected into a whole through the reinforcing rods, so that the overall rigidity of the supporting frame is improved, and the supporting frame is more stable.

In an embodiment of the present application, optionally, the support frame comprises a plurality of additional diagonal braces connecting the right triangle support and the platform deck.

Through setting up additional diagonal brace and supporting in the support frame both sides, improve the support capacity of support frame, the whole compressive capacity of landing slab is more balanced, reduces the weak point of landing slab.

In an embodiment of the present application, optionally, the platform plate is provided with a hook.

Through set up the lifting hook on the landing slab, conveniently pass through lifting device hoist and mount operation platform in elevator well top.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is a schematic perspective view of an operating platform according to an embodiment of the present disclosure;

fig. 2 is a schematic top view of an operating platform provided by an embodiment of the present application as installed in an elevator hoistway;

fig. 3 is a schematic side cross-sectional view of an operating platform provided in an embodiment of the present application as installed in an elevator hoistway;

fig. 4 is a schematic structural view of a jacking device provided in the embodiment of the present application;

fig. 5 is a schematic perspective view of a connection structure of a first jacking and a first horizontal beam provided in an embodiment of the present application;

fig. 6 is a schematic perspective view of a connection structure of a second jacking and a second horizontal beam provided in an embodiment of the present application.

Icon: 100-a platform plate; 110-a plate body; 120-a board body frame; 121-a first horizontal beam; 130-a first jacking; 140-a hook; 200-a support frame; 210-right triangle support; 211-a second horizontal beam; 212-upright post; 213-oblique support; 214-dowel bar; 215-abdominal support bar; 216-a stiffener; 217-additional diagonal brace rods; 220-second jacking; 300-jacking; 310-a pallet; 320-screw rod; 330-a nut; 400-floor.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present application, it should be noted that if the terms "upper", "lower", "vertical", "horizontal", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually put out when the product of the application is used, the description is only for convenience and simplicity, but the indication or suggestion that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, cannot be construed as limiting the present application. Furthermore, the appearances of the terms "first," "second," and the like in the description herein are only used for distinguishing between similar elements and are not intended to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like when used in the description of the present application do not require that the components be absolutely horizontal or overhanging, but may be slightly inclined. For example, "horizontal" merely means that the 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 application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Examples

Because trilateral enclosure of elevartor shaft, one side open-ended structure, construction scaffold in the elevartor shaft generally need be independent of other scaffolds of building and independently build, and the well inner wall of elevartor shaft is smooth and not have other outstanding structures, and the well is the structure of leading to length in the vertical direction, narrower in the horizontal direction in addition, and vertical difference of height is big and operating space is limited, will build fixed scaffold in this kind of structure very inconvenient.

An embodiment of the application provides an operation platform in elevator shaft for solve among the prior art inconvenient scaffold's of putting up problem in the elevator shaft.

The operation platform includes a platform board 100 and a support frame 200, and referring to fig. 1, fig. 1 shows a schematic perspective structure of the operation platform. The landing slab 100 is fixed to the support frame 200 and supported by the support frame 200, and a plurality of top brackets 300 are provided around the landing slab 100, and the top brackets 300 are used for abutting against the inner wall of the hoistway of the elevator hoistway.

The size of the landing slab 100 that this embodiment provided is less than the cross-sectional dimension of elevartor shaft, has the interval between the well inner wall of landing slab 100 and elevartor shaft for can conveniently remove landing slab 100 to in the elevartor shaft, and landing slab 100 can move up and down along the elevartor shaft, and hold in the palm 300 butt at the well inner wall through a plurality of tops, make landing slab 100 can block in the arbitrary high position of well inner wall, support frame 200 is used for accepting landing slab 100 in order to improve landing slab 100's intensity and load-carrying capacity.

Optionally in this embodiment, the interval of each limit of landing slab 100 and the well inner wall of elevartor shaft sets up to 100mm to operating platform's neutral position in the elevartor shaft is 100 mm's width, both makes things convenient for landing slab 100 to transport to remove, and the security of operation is high again, and operating personnel is difficult to step on empty, the acropodium is difficult to block in interval position department.

In order to facilitate the hoisting of the operation platform by the hoisting device, the platform board 100 is provided with a plurality of hooks 140, and the plurality of hooks 140 are symmetrically arranged to keep the platform board 100 horizontal during hoisting. As shown in fig. 1, hooks 140 are provided at four corners of the rectangular platform board 100, respectively.

The operating platform in the elevator shaft that this embodiment provided can conveniently fix landing slab 100 in the well inner wall in order to be used for the construction operation, has solved among the prior art inconvenient scaffold's of putting up problem in the elevator shaft.

Referring to fig. 4, fig. 4 shows a schematic perspective view of a top holder 300, the top holder 300 includes a support plate 310, a screw 320, and a nut 330, wherein the support plate 310 is disposed at one end of the screw 320, and the other end of the screw 320 extends into the nut 330 and is in threaded engagement with the nut 330. The nut 330 is fixed at the bottom of the platform board 100 or fixed on the support frame 200, and the screw 320 is rotated to move the support plate 310 towards the inner wall of the hoistway of the elevator hoistway so that the support plate 310 abuts against the inner wall of the hoistway.

Referring to fig. 1 and 2, it can be seen that the flat deck 100 includes a deck body 110 and a deck body frame 120, the deck body frame 120 having a rectangular shape as a whole, and the flat deck 100 is mounted on the rectangular deck body frame 120. The plate body 110 is installed by providing the plate body frame 120, so that the load-bearing capacity of the plate body 110 is enhanced. The aforementioned hooks pass through the platform board 100 and are fixedly connected to the board body frame 120.

The plate frame 120 includes a first horizontal beam 121, two ends of the first horizontal beam 121 are respectively directed to two opposite inner walls of the elevator shaft, first top brackets 130 are respectively disposed at two ends of the first horizontal beam 121, the first top brackets 130 are abutted to the two opposite inner walls of the elevator shaft, and the platform plate 100 is supported by the two opposite inner walls of the elevator shaft under the action of the first top brackets 130 and is fixed by friction force to overcome self weight and load.

The first horizontal beam 121 and the first top bracket 130 integrally abut between two opposite inner walls of the elevator shaft, and fig. 5 shows a schematic connection structure of the first horizontal beam 121 and the first top bracket 130. The first horizontal beam 121 and the first top bracket 130 can be regarded as rod-shaped members as a whole, and the force transmission path is simple, and the force is mainly applied in the axial direction. For rod-like members, the ability to resist compression in the axial direction is stronger than the ability to resist bending shear in the lateral direction, so that the first jacking brackets 130 are not easily damaged.

Optionally, the nuts 330 of the first jacking 130 are provided in plurality, and the plurality of nuts 330 are uniformly distributed and fixed at two ends of the first horizontal beam 121. Alternatively, the pitch of the plurality of nuts 330 is set to 50 mm.

Optionally, first horizontal beam 121 adopts the channel-section steel to make, and first top holds in the palm 130 and sets up at the notch of channel-section steel inboard, and rotatory screw 320 can make layer board 310 paste at the channel-section steel tip for first top holds in the palm 130 and draws in plate body frame 120 side, conveniently removes transportation platform board 100. The channel-section steel can enough accept upper portion pressure, makes things convenient for welded nut 330, installation screw 320 again, and the use of still being convenient for is observed first top and is held in the palm 130 and the condition of being connected of first horizontal beam 121, and in time the maintenance improves the security.

As shown in fig. 2, the first horizontal beam 121 includes two bars constituting a rectangle. Alternatively, the first lifters 130 are provided in pairs, and each pair of the first lifters 130 is provided at both ends of one first horizontal beam 121. Alternatively, the first top brackets 130 may be disposed at two ends of each first horizontal beam 121, and the first top brackets 130 may also be disposed at two ends of any number of first horizontal beams 121.

The structure of the supporting frame 200 is as shown in fig. 1 and fig. 3, and includes two right-angled triangular supporting members 210 arranged oppositely, and the two right-angled triangular supporting members 210 are connected into a whole by a transverse reinforcing rod 216, so as to improve the overall rigidity of the supporting frame 200 and make the supporting frame 200 more stable.

The right triangle support 210 includes a second horizontal beam 211, a vertical post 212, and an angled support 213. The second horizontal beam 211 is arranged at the bottom of the platform plate 100, and two ends of the second horizontal beam 211 point to the surface of the opening of the elevator shaft and the inner wall of the elevator shaft opposite to the opening; the upright post 212 is vertically arranged, the upright post 212 abuts against the inner wall of the shaft where the opening of the elevator shaft is located, the upright post 212 is clamped at the upper position and the lower position of the opening, or the upright post 212 integrally abuts against the inner wall of the shaft where the opening is located, and the top end of the upright post 212 is connected with the second horizontal beam 211; the diagonal support 213 is connected between an end of the second horizontal beam 211 remote from the opening and a bottom end of the upright 212 for supporting the second horizontal beam 211.

A second jacking 220 is arranged at one end of the second horizontal beam 211 far away from the opening (i.e. at one end close to the inner wall of the hoistway opposite to the opening), and the second jacking 220 is used for abutting against the inner wall of the hoistway opposite to the opening. The columns 212 thereby cooperate with the second jacking leg 220 to securely capture the landing plate 100 at any height position within the hoistway.

In this embodiment, the first top support 130 and the second top support 220 have the same structure, and are both the top support 300 shown in fig. 4, and the first and second are only for convenience of description and do not imply that the structures are different. In another embodiment, the second jacking member 220 may be provided as needed, and may be different from the first jacking member 130 in structure, and it is within the scope of the present invention as long as it abuts against the inner wall of the hoistway of the elevator hoistway to fix the landing panel 100.

Alternatively, as shown in fig. 6, a plurality of nuts 330 are provided for the second jacking 220, and the plurality of nuts 330 are uniformly fixed at two ends of the second horizontal beam 211. Alternatively, the interval between two adjacent nuts 330 is set to 50 mm.

Optionally, as shown in fig. 6, the second horizontal beam 211 is made of a channel steel, the second jacking 220 is located at one end of the channel steel and is arranged at the inner side of the notch of the channel steel, and the rotating screw 320 enables the supporting plate 310 to be attached to the end of the channel steel, so that the second jacking 220 folds the end of the second horizontal beam 211, and the transportation platform plate 100 is convenient to move. The channel-section steel can enough accept upper portion pressure, makes things convenient for welded nut 330, installation screw 320 again, and the convenience is used still observes the second and pushes up the connected condition of support 220 and second horizontal beam 211, and in time the maintenance improves the security.

The first jacking brackets 130 are stressed in one horizontal direction to fix the platform board 100, the second jacking brackets 220 and the upright posts 212 are stressed in the other horizontal direction to fix the platform board 100, and the platform board 100 can be stably fixed at any height position of an elevator shaft by arranging the first jacking brackets 130, the second jacking brackets 220 and the upright posts 212.

When the right-angle triangular support 210 is loaded at the upper part, the lower part of the upright post 212 is stressed towards the inner wall of the shaft of the opening of the elevator shaft, and the upper part of the upright post 212 is stressed towards the inner wall of the shaft opposite to the opening of the elevator shaft. When the landing slab 100 is loaded, the force acting between the lower portion of the column 212 and the inner wall of the hoistway increases, and the frictional force increases, and the force acting between the second top bracket 220 and the inner wall of the hoistway increases, and the force acting between the upper portion of the column 212 and the inner wall of the hoistway increases, by the force acting on the second top bracket 220 via the second horizontal beam 211 toward the inner wall of the hoistway increases. Therefore, when the load on the platform board 100 increases, the force of the supporting frame 200 resisting the sliding down also increases, and the stability of the operation platform is improved.

In order to enhance the stability of the right-angled triangle support 210, optionally, a belly support bar 215 is provided on the right-angled triangle support 210, the belly support bar 215 connecting the position of the right-angled point of the right-angled triangle support 210 and the middle position of the diagonal support 213, as shown in fig. 3.

In order to improve the supporting capability of the supporting frame 200, make the overall pressure resistance of the platform board 100 more balanced, and reduce the weak points of the platform board 100, a plurality of additional diagonal braces 217 are arranged on the supporting frame 200, and the additional diagonal braces 217 connect the right triangle supporting member 210 and the platform board 100. As shown in fig. 1, the additional diagonal brace 217 includes a plurality of symmetrically arranged diagonal braces 217, one end of the additional diagonal brace 217 is connected to the diagonal brace 213, and the other end is connected to the panel frame 120, or one end of the additional diagonal brace 217 is connected to the abdomen support bar 215, and the other end is connected to the panel frame 120.

Optionally, a dowel 214 is provided on the right angle triangular support 210, the dowel 214 being connected to the column 212 and extending horizontally toward the opening of the elevator shaft. The dowel 214 is intended to rest on an adjoining building element at the opening of the elevator hoistway. The building elements adjoining the opening of the elevator hoistway are e.g. beams at an overhead location or floor slabs 400 at the opening of the elevator hoistway.

As shown in fig. 3, the columns 212 abut the inner wall of the hoistway above and below the opening at both ends, and the dowel 214 rests on the floor 400 adjacent the opening of the hoistway. Under the action of the force transmission rods 214, the right-angled triangle support members 210 receive the upward supporting force transmitted from the floor 400, so as to prevent the platform board 100 from sliding downwards and improve the load capacity of the platform board 100.

Optionally, a force transmission rod 214 is slidably arranged along said upright 212, and the force transmission rod 214 can be fixed relative to the upright 212 in order to adjust the position of the force transmission rod 214 in dependence of the position of the building element. For example, by a clip connection, or a plurality of through holes may be provided in the post 212 in the axial direction, which allow insertion of the force rods 214.

In this embodiment:

the plate body 110 is a steel plate with the thickness of 3mm, the plate body frame 120 is formed by welding No. 10 channel steel, and the lifting hook 140 is made of No. 24 round steel;

in the support frame 200, the second horizontal beam 211, the abdomen support rod 215 and the reinforcing rod 216 adopt 10 # channel steel, the upright 212, the diagonal support 213 and the dowel bar 214 adopt 12.6 # channel steel, and the additional diagonal support rod 217 adopts 20 # deformed steel;

in the top support 300, the screw 320 and the nut 330 are matched with a screw 320 and a nut 330 of an M20 bolt, the screw 320 is 300mm long, the nut 330 is provided in a plurality of sizes, the supporting plate 310 is an iron plate with the thickness of 10mm and the size of 100mm multiplied by 100mm, the supporting plate 310 is welded with the screw 320, the nuts 330 are welded in the notch of the No. 10 channel steel, the distance between the nuts 330 is 50mm, and the distance between one nut 330 closest to the supporting plate 310 and the end part of the channel steel is 50 mm.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. The utility model provides an operation platform in elevator shaft which characterized in that, includes landing slab and support frame, the landing slab is fixed in on the support frame and by the support frame supports, be provided with a plurality of lifters around the landing slab, a plurality of lifters be used for with the well inner wall butt of elevartor shaft.

2. The elevator shaft operating platform of claim 1, wherein each of the jacking members comprises a support plate, a threaded rod and a nut, the nut being secured to the platform plate or the support frame, the threaded rod being fitted to the nut, the support plate being disposed at one end of the threaded rod.

3. The elevator shaft according to claim 1, wherein the landing plate comprises a plate body and a plate body frame fixed to a lower surface of the plate body, and the plurality of top brackets comprise a first top bracket disposed on the plate body frame for abutting against two inner walls of the hoistway opposite to the elevator shaft.

4. The elevator shaft operating platform according to claim 3, wherein the plate frame comprises a first horizontal beam, and the first jacking is respectively provided at two ends of the first horizontal beam.

5. The elevator shaft operation platform according to claim 1, wherein the support frame comprises two opposite right-angled triangular supports, each of the right-angled triangular supports comprises a second horizontal beam, an upright post and an oblique support which are connected in sequence, the upright post is abutted against the inner wall of the elevator shaft where the opening of the elevator shaft is located, the second horizontal beam is arranged at the bottom of the platform plate, and the plurality of top brackets comprise a second top bracket arranged on the second horizontal beam, and the second top bracket is abutted against the inner wall of the elevator shaft opposite to the opening of the elevator shaft.

6. An elevator shaft operating platform according to claim 5, characterised in that the right-angled triangular support is provided with a dowel for resting on a building structure abutting at the opening of the elevator shaft.

7. The lift shaft of claim 5, wherein the right angle triangular support includes a belly support bar connecting a right angle position of the right angle triangular support with a middle position of the diagonal support.

8. The hoistway of claim 5 wherein the support frame includes a reinforcing bar connecting the two right angle triangular supports.

9. The hoistway of claim 5 wherein the support frame includes a plurality of additional diagonal braces connecting the right triangle support and the landing deck.

10. The elevator shaft operating platform of claim 1 wherein said platform plate has hooks thereon.

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