CN219138307U - Telescopic and foldable double-layer operation table - Google Patents

Abstract

The utility model discloses a telescopic foldable double-layer operation table, which belongs to the technical field of building well construction and comprises the following components: the telescopic support frame comprises a first support frame and a second support frame which are arranged in parallel in the vertical direction, the first support frame is attached to the inner wall surface of the building wall, and the second support frame is attached to the inner wall surface of a building component at the front end of the building wall; the telescopic platform comprises an upper telescopic platform and a lower telescopic platform which are arranged in parallel, one end of the upper telescopic platform is detachably connected to the upper end of the first support frame, and the other end of the upper telescopic platform is inclined downwards and is detachably connected to the upper end of the second support frame; one end of the lower telescopic platform is detachably connected to the lower end of the first support frame, and the other end of the lower telescopic platform is detachably connected to the lower end of the second support frame, so that a double-layer operation table structure is formed; a plurality of hanger plates for hoisting the double-layer operation table. The operation platform is convenient and efficient in construction, low in cost and reusable, and can meet the requirement of simultaneous construction operation of an upper layer and a lower layer.

Description

A telescopic and foldable double-layer operation table

technical field

The utility model relates to the technical field of building shaft construction, in particular to a telescopic and foldable double-layer operation platform.

Background technique

When constructing in the elevator shaft of a high-rise building, it is necessary to set up an operation platform in the elevator shaft for construction. The traditional technology usually starts from the root and builds scaffolding layer by layer to set up the operation platform, or uses structural beams to set up the operation platform. But its construction is complicated and labor intensive.

In the prior art, there is a simple hoisting double-layer operation platform. For example, the utility model patent application number CN202120453598.5 discloses a double-layer elevator shaft construction operation platform, which includes steel brackets and protective railings. The front end of the bottom is provided with outriggers, and the bottom surface of the outriggers is provided with bolts, the top of the steel bracket is connected with a steel plate, and the upper end of the steel plate is provided with a foot baffle, and the protective railing is arranged on the outside of the foot baffle, and the steel plate Hanging rings are provided on the left and right sides of the upper end of the steel plate. The outside of the steel plate is attached to the wall of the elevator shaft, and the front end of the wall of the elevator shaft is provided with building components. The inner side of the steel bracket is provided with a pedal. A cover is provided on the side, and a handle is provided at the front end of the cover, and a shaft is provided at the end of the cover. The double-layer elevator shaft construction operation platform is provided with steel plates, and a set of steel plates divides the basic skeleton into two areas, thereby facilitating double-layer construction without additional scaffolding, saving time and effort. However, due to the structural limitations of the building well, the well protection platform can only be customized according to its specific size, but most of the building well space dimensions are unique, which makes the platform unable to be used repeatedly. And usually the protection platform is a cube structure, and the storage takes up a lot of space.

Therefore, how to provide a convenient and efficient construction, low cost and reusable operating platform that can satisfy the simultaneous construction of the upper and lower floors is an urgent problem to be solved by those skilled in the art.

Utility model content

In view of this, the utility model aims to provide a telescopic and foldable double-layer operating platform to at least solve one of the above-mentioned technical problems in the prior art to a certain extent.

In order to achieve the above purpose, the utility model adopts the following technical solution: a telescopic and foldable double-layer operation table, comprising:

A telescopic support frame, the support frame includes a first support frame and a second support frame arranged in parallel in the vertical direction, the first support frame is attached to the inner wall of the building wall, and the second support frame is attached to The inner wall surface of the building component at the front end of the building wall;

A telescopic platform, the telescopic platform includes an upper telescopic platform and a lower telescopic platform arranged in parallel, one end of the upper telescopic platform is detachably connected to the upper end of the first support frame, and the other end is inclined downward and detachably connected to the first support frame. The upper end of the second support frame; one end of the lower telescopic platform is detachably connected to the lower end of the first support frame, and the other end is detachably connected to the lower end of the second support frame. The upper telescopic platform and the lower telescopic platform form a double-layer console structure ;

A plurality of hanging plates are used for hoisting the double-layer operation platform, and the hanging plates are provided with hoisting holes, and the hanging plates are fixed on the first supporting frame above the connection position corresponding to the upper telescopic platform.

The beneficial effect of adopting the technical solution of the previous step: both the telescopic support frame and the telescopic platform can be adjusted according to the size of the building well, and the telescopic platform and the telescopic support frame can be detachably connected, which is convenient for assembly, disassembly and storage. The upper telescopic platform and the lower telescopic platform are respectively fixed on the inner upper end and lower end of the telescopic support frame to form a double-layer operation platform. The upper telescopic platform and the lower telescopic platform are arranged in parallel and inclined, which can ensure the tight fit between the first support frame and the building wall, and between the second support frame and the building components, so as to make the structure more stable and prevent collapse. The hanging plate can be easily connected with the lifting equipment to hoist the operation platform.

Further, it also includes an anti-fall baffle, the anti-fall baffle includes a plurality of first anti-fall baffles and a plurality of second anti-fall baffles, each of the first anti-fall baffles is fixed on the On the first supporting frame above the lower telescopic platform, each of the second anti-drop baffles is respectively fixed on the second supporting frame below the upper telescopic platform and the lower telescopic platform.

Beneficial effects of adopting the technical solution of the previous step: both the upper telescopic platform and the lower telescopic platform are installed obliquely, so the anti-drop baffle is set to reinforce the structure and enhance the load-bearing capacity.

Further, it also includes a plurality of outriggers, and the plurality of outriggers are respectively fixed under the outer side of the second supporting frame to support on the building component.

The beneficial effect of adopting the technical solution of the previous step: setting outriggers on the side of the building components makes the structure more firmly fixed in the building shaft.

Further, the first support frame and the second support frame have the same structure, and both include two horizontal beams arranged in parallel with adjustable lengths and two vertical beams arranged in parallel with adjustable lengths in the vertical direction; The two beams are respectively fixed on the inner upper end and the lower end of the two vertical beams.

The beneficial effect of adopting the technical solution of the previous step: both the first support frame and the second support frame use adjustable-length beams and vertical beams, which are convenient for adjustment according to the specific size of the building shaft.

Further, the upper telescopic platform and the lower telescopic platform have the same structure, and both include a plurality of adjustable-length main beams, a plurality of secondary beams and a telescopic springboard; a plurality of the main beams are arranged in parallel and inclined, and a plurality of the secondary The beams are arranged horizontally perpendicular to the main beam and both ends are fixed on the main beam, and the telescopic springboard is fixed on a plurality of the secondary beams; wherein, one end of each main beam of the upper telescopic platform can be It is detachably connected to the upper end of the first support frame, and the other end is detachably connected to the upper end of the second support frame by tilting downward; each main beam of the lower telescopic platform is detachably connected to the first support frame at one end The lower end, the other end is inclined downward and detachably connected to the lower end of the second support frame.

The beneficial effect of adopting the technical solution of the previous step: by using multiple secondary beams fixed above the main beam, and fixing the telescopic springboard on the secondary beams, the multi-layer structure strengthens the load-bearing strength and stability of the telescopic platform.

Further, the telescopic springboard includes a first fixed springboard, a second fixed springboard and a movable springboard, the first fixed springboard is fixed on a plurality of secondary beams close to the side of the building wall, and the first fixed springboard Two fixed springboards are fixed on multiple secondary beams away from the side of the building wall, one end of the movable springboard is hingedly connected to the first fixed springboard, and the other end can be lapped on the second fixed springboard .

The beneficial effect of adopting the technical solution of the previous step: When adjusting the length of the main beam, the length of the retractable springboard can be adjusted through the movable springboard to suit the main beam, so that the retractable springboard is completely covered on the secondary beam without leaving gaps, ensuring that the operators safety.

Further, a movable baffle is also provided, and the movable baffle is obliquely arranged on the upper telescopic platform, and one end of the movable baffle is hingedly connected to the upper end surface of the second fixed springboard close to the building component, and the other One end overlaps the building element.

The telescopic platform is set at an incline, so the movable baffle is set to overlap the building components to prevent objects from sliding from the telescopic platform to the outside of the platform during construction work, causing casualties caused by falling from high altitude.

Further, a connection plate is also provided, and the connection plate includes a plurality of first connection plates and a plurality of second connection plates, and the plurality of first connection plates are all fixed on the vertical beam of the first support frame and A first through hole is opened on each of the first connecting plates, and a plurality of the second connecting plates are fixed on the vertical beams of the second support frame, and each of the second connecting plates is opened. There is a second through hole.

The beneficial effect of adopting the technical solution of the previous step is that it is convenient to connect to the main girder, and it is convenient to disassemble and assemble with the main girder.

Further, there is also an obliquely arranged connecting ear plate, the connecting ear plate includes a first ear plate and a second ear plate, a first ear plate hole is opened at one end of the first ear plate, and the first ear plate A first pin for inserting into the first through hole runs through the hole, and the other end is fixedly connected to one end of the main beam, and one end of the second ear plate is fixedly connected to the other end of the main beam, and the other end is opened with a second pin. Two lug holes, the second lug hole is penetrated with a second pin for inserting into the second through hole.

The installation and disassembly between the first support frame and the second support frame and the main beam are facilitated, and the installation and disassembly between the two support frames and the telescopic platform are facilitated.

Further, the inclination angles of the main beam, the first lug plate and the second lug plate are the same, and the included angle with the horizontal plane is not less than 10°.

The beneficial effect of adopting the technical solution of the previous step is to ensure the tight fit between the first support frame and the building wall, and between the second support frame and the building components, so as to prevent sliding collapse.

It can be seen from the above-mentioned technical solutions that, compared with the prior art, the utility model discloses a telescopic and foldable double-layer operation platform, which has the following beneficial effects:

1. The double-layer operating platform of the present utility model adopts multiple retractable structures and retractable springboards, so that it can be adjusted according to the space size of the building well, has strong applicability, simple structure, low cost, and is convenient to assemble and disassemble, and can reuse.

2. The retractable platform is tilted to ensure that the double-layer operating platform is close to the inner wall of the building shaft. At the same time, it is equipped with anti-fall baffles and outriggers to strengthen the stability of the structure.

3. The retractable platform is tilted, and movable baffles are set to prevent objects from sliding from the platform to the outside of the platform, causing safety hazards such as falling objects from high altitudes.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the accompanying drawings that need to be used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the accompanying drawings in the following description It is only an embodiment of the utility model, and those skilled in the art can also obtain other drawings according to the provided drawings without creative work.

Fig. 1 is a schematic diagram of the side view structure of the utility model.

Fig. 2 is a schematic diagram of the top view structure of the utility model.

Fig. 3 is a structural schematic diagram of the upper telescopic platform of the utility model.

In the figure: 1. First support frame, 2. Second support frame, 3. Upper telescopic platform, 4. Lower telescopic platform, 5. Hanging plate, 6. Anti-fall baffle, 7. Outrigger, 8. Main beam , 9, secondary beam, 10, retractable springboard, 11, wall, 12, building components, 13, movable baffle;

81. The first ear plate, 82, the second ear plate, 83, the first main beam, 84, the second main beam, 85, the first pin, 86, the second pin;

101, the first fixed springboard, 102, the second fixed springboard, 103, the first movable springboard.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-3, the embodiment of the utility model discloses a telescopic and foldable double-layer operation table, including:

A telescopic support frame, the support frame includes a first support frame 1 and a second support frame 2 arranged in parallel in the vertical direction, the first support frame 1 is attached to the inner wall surface of the building wall 11, and the second support frame 2 is attached to the The inner wall surface of the building component 12 at the front end of the building wall 11;

The telescopic platform, the telescopic platform includes an upper telescopic platform 3 and a lower telescopic platform 4 arranged in parallel, one end of the upper telescopic platform 3 is detachably connected to the upper end of the first support frame 1, and the other end is inclined downward and detachably connected to the second support frame 2 The upper end; one end of the lower telescopic platform 4 is detachably connected to the lower end of the first support frame 1, and the other end is detachably connected to the lower end of the second support frame 2, and the upper telescopic platform 3 and the lower telescopic platform 4 form a double-layer console structure;

A plurality of hanging boards 5 for hoisting the double-layer operation platform, the hanging boards 5 have hoisting holes, and the hanging boards 5 are fixed on the first supporting frame 1 above the connection position of the corresponding upper telescopic platform 3 .

Both the support frame and the telescopic platform can be adjusted according to the size of the building shaft, and the upper telescopic platform 3 and the lower telescopic platform 4 are respectively fixed on the inner upper and lower ends of the two support frames to form a double-layer operation platform. Both the upper telescopic platform 3 and the lower telescopic platform 4 are installed obliquely, which can ensure that between the first support frame 1 and the building wall 11, and between the second support frame 2 and the building components 12, the structure is more stable, and the two Each telescopic platform can be detachably connected to the first support frame 1 and the second support frame 2, which is convenient for folding or disassembly. Hanging plate 5 can be connected with external hoisting equipment to install or dismantle the double-deck operation platform.

In this embodiment, a plurality of outriggers 7 are also provided, and the plurality of outriggers 7 are respectively fixed on the outside of the second support frame 2 and supported on the building components 12, so that the operating platform can be more stably fixed in the building shaft. After support leg 7 is installed, the upper end face of lower telescopic platform 4 is flush with building component 12 or is slightly lower than building component 12, prevents that article from sliding down from the inclined platform and directly flies out of the platform.

Specifically, the first support frame 1 and the second support frame 2 have the same structure and are both in the shape of a ladder, and both include two horizontal beams arranged in parallel and two vertical beams arranged in parallel in the vertical direction and with adjustable lengths; the two beams Fix the upper end and the lower end between the two vertical beams respectively.

The upper telescopic platform 3 and the lower telescopic platform 4 have the same structure and both include a plurality of adjustable length main beams 8, a plurality of secondary beams 9 and a telescopic springboard 10; Both are vertical to the main beam 8 and arranged horizontally and both ends are fixed on the main beam 8 , and the telescopic springboard 10 is fixed on multiple secondary beams 9 . Wherein, each main beam 8 of the upper telescopic platform 3 is detachably connected to the upper end of the vertical beam of the first support frame 1 at one end, and the other end is inclined downward and detachably connected to the upper end of the vertical beam of the second support frame 2; Each main beam 8 of 4 is detachably connected to the lower end of the vertical beam of the first support frame 1 at one end, and is detachably connected to the lower end of the vertical beam of the second support frame 2 at the other end inclined downward.

Optionally, a connection plate is also provided, the connection plate includes a plurality of first connection plates and a plurality of second connection plates, each first connection plate is fixed on the inside of the vertical beam of the first support frame 1 and each first First through holes are opened on the connecting plates, and each second connecting plate is fixed on the vertical beam of the second supporting frame 2 and second through holes are opened on each second connecting plate.

There are also connecting lugs arranged obliquely. The connecting lugs include a first lug 81 and a second lug 82. One end of the first lug 81 is provided with a first lug hole. The other end of the first pin 85 in the first through hole is fixedly connected to one end of the main beam 8; one end of the second ear plate 82 is fixedly connected to the other end of the main beam 8, and the other end has a second ear plate hole. A second pin 86 for inserting into the second through hole runs through the plate hole. The two ends of the main beam 8 are respectively fixed with inclined first lugs 81 and second lugs 82, between the first lugs 81 and the first connecting plate, and between the second lugs 82 and the second connecting plate are passed through The pins are connected together so that the upper telescopic platform 3 and the lower telescopic platform 4 and the first support frame 1 and the second support frame 2 are all detachable structures, which are convenient for assembly and disassembly and can be reused.

In this embodiment, each main beam 8 includes a first main beam 83 and a second main beam 84, one end of the first main beam 83 is fixedly connected to the downwardly inclined end of the first ear plate 81, and the other end has a A plurality of first sockets, the first socket is inserted with a third pin; one end of the second main beam 84 is slidably sleeved on the outer surface of the first main beam 83, and has a plurality of holes for inserting the third pin The other end is fixedly connected to the inclined upper end of the second ear plate 82 . The main girder 8 is an adjustable length bar, which is made of square steel, and its middle part is connected by casing pins, so that the length can be adjusted, and it is convenient to adjust according to the size of the building shaft.

Optionally, secondary beam 9, cross beam and vertical beam are all made of square steel, and adjustable length rods can be used. The structure of the adjustable length part is the same as that of main beam 8, which is a matching structure of multiple jacks and pins, which is convenient For building shafts of many different sizes.

Referring to Fig. 3, the retractable springboard 10 comprises a first fixed springboard 101, a second fixed springboard 102 and a movable springboard 103, the first fixed springboard 101 is fixed on a plurality of secondary beams 9 near the building wall 11, the second fixed springboard The springboard 102 is fixed on multiple secondary beams 9 on the side away from the building wall 11 , one end of the movable springboard 103 is hingedly connected to the first fixed springboard 101 , and the other end can be overlapped on the second fixed springboard 102 . When adjusting the length of the main beam 8, change the length of the movable springboard 103 lapped on the second fixed springboard 102, and adjust the length of the telescopic springboard 10 to adapt to the main beam 8, so that the entire stretchable springboard 10 is completely covered on the secondary beam 9 , leaving no gaps to ensure the safety of workers.

As shown in Figures 1 and 3, in this embodiment, a movable baffle 13 is provided on the upper telescopic platform 3, the movable baffle 13 is arranged obliquely and one end is hingedly connected to the upper end surface of the second fixed springboard 102 close to the building component 12 , and the other end is lapped on the building component 12. The telescopic platform is arranged obliquely, so that the movable baffle 13 is arranged obliquely against the building components 12 to prevent objects from slipping out of the platform during construction operations, causing high-altitude falls and casualties. The downward inclined end of the lower telescopic platform 4 abuts against the construction component 12, and the construction component 12 can prevent articles from sliding down, so there is no need to set a movable baffle 13 . In some embodiments, movable baffles 13 may be provided on both the upper and lower platforms according to construction requirements. In some other embodiments, according to the specific erection position of the double-layer operation platform, the movable baffle 13 may not be provided under the condition of ensuring safety.

Optionally, the main beam 8 , the first ear plate 81 and the second ear plate 82 have the same inclination angle and form an included angle not less than 10° with the horizontal plane. Ensure that the first support frame 1 is in close contact with the hoistway building wall 11, and the second support frame 2 is in close contact with the building components 12, so as to prevent sliding and collapse.

Optionally, an anti-fall baffle 6 is also included, and the anti-fall baffle 6 includes a plurality of first anti-fall baffles and a plurality of second anti-fall baffles, and each first anti-fall baffle is fixed on the lower telescopic platform 4 On the first supporting frame 1 above, each second anti-fall baffle is fixed on the second supporting frame 2 below the upper telescopic platform 3 and the lower telescopic platform 4 respectively. Specifically, the first anti-drop baffle is fixed on the inside of the vertical beam of the first support frame 1 above the connection between the first connecting plate and the first ear plate 81, and the second anti-falling baffle is fixed on the second connecting plate and the second The inner side of the vertical beam of the second support frame 2 below the joint of the ear plate 82 . The telescopic platform is provided with an inclination, and anti-drop baffles 6 are provided at its inclination upper and lower ends, so that the structure is more stable and the load-bearing capacity is stronger. Prevent the operation platform from collapsing and causing safety accidents.

A telescopic and foldable double-layer operating platform of this embodiment, the method of making and using includes the following steps:

1. First, adjust the lengths of the first support frame 1, the second support frame 2, the main beam 8 and the secondary beam 9 according to the space used by the platform, and insert the pins into the jacks on them respectively.

2. Weld the hanging plate 5, the anti-fall baffle plate 6 and the connecting plate to the corresponding positions of the first support frame 1 and the second support frame 2.

3. Weld the first ear plate 81 and the second ear plate 82 to both ends of the main beam 8 respectively.

4. Arrange the secondary beams 9 on the main beams 8 and weld them together.

5. Arrange the telescopic springboard 10 on the secondary beam 9 and weld them together.

6. Install movable baffle 13 on the telescopic springboard 10 of upper telescopic platform as required.

7. Connect the first support frame 1 and the second support frame 2 to the main beam 8 respectively, use the first pin 85 to penetrate the first connecting plate and the first ear plate 81, and the second pin 86 to penetrate the second connecting plate And the second ear plate 82 makes it assembled into a whole.

8. Weld the legs 7 to the lower end of the second support frame 2 .

9. Use hoisting equipment to hang the hanging plate 5, slowly lift the operation platform, and after hoisting the operation platform to the desired use position, adjust the position and slowly drop it so that the outrigger 7 is close to the building component 12, and the first support frame 1 Closely attached to the building wall 11, after the second support frame 2 is closely attached to the building components, check the tilt angle of the platform, and remove the hoisting tool.

The operating platform of the utility model has high applicability and can be installed in building shafts of various sizes. After use, all the pins are partially disassembled and can be stored or used in the next project to realize the turnover and utilization of materials.

Each embodiment in this specification is described in a progressive manner, each embodiment focuses on the difference from other embodiments, and the same and similar parts of each embodiment can be referred to each other. As for the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and for relevant details, please refer to the description of the method part.

The above description of the disclosed embodiments enables those skilled in the art to realize or use the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A telescopic, foldable, double-deck console, comprising:

the telescopic support frame comprises a first support frame (1) and a second support frame (2) which are arranged in parallel in the vertical direction, wherein the first support frame (1) is attached to the inner wall surface of a building wall body (11), and the second support frame (2) is attached to the inner wall surface of a building component (12) at the front end of the building wall body (11);

the telescopic platform comprises an upper telescopic platform (3) and a lower telescopic platform (4) which are arranged in parallel, one end of the upper telescopic platform (3) is detachably connected with the upper end of the first support frame (1), and the other end of the upper telescopic platform is inclined downwards and is detachably connected with the upper end of the second support frame (2); one end of the lower telescopic platform (4) is detachably connected to the lower end of the first support frame (1), the other end of the lower telescopic platform is detachably connected to the lower end of the second support frame (2), and the upper telescopic platform (3) and the lower telescopic platform (4) form a double-layer operation table structure;

a a plurality of hanger plates (5) for hoisting double-deck operation panel, it has the lifting eye to open on hanger plate (5), hanger plate (5) are fixed in corresponding go up telescopic platform (3) hookup location top first support frame (1).

2. The telescopic and foldable double-layer operation table according to claim 1, further comprising a fall prevention baffle (6), wherein the fall prevention baffle (6) comprises a plurality of first fall prevention baffles and a plurality of second fall prevention baffles, each first fall prevention baffle is fixed on the first support frame (1) above the lower telescopic platform (4), and each second fall prevention baffle is fixed on the second support frame (2) below the upper telescopic platform (3) and below the lower telescopic platform (4) respectively.

3. A telescopic and foldable double-deck console according to claim 1, further comprising a plurality of legs (7), the plurality of legs (7) being respectively fixed below the second support frame (2) to be supported on the building element (12).

4. The telescopic and foldable double-layer operation table according to claim 1, wherein the first support frame (1) and the second support frame (2) have the same structure and comprise two cross beams which are arranged in parallel in a horizontal direction and two vertical beams which are arranged in parallel in a vertical direction and have adjustable lengths; the two cross beams are respectively fixed at the upper ends and the lower ends of the inner sides of the two vertical beams.

5. The telescopic and foldable double-layer operation table according to claim 1, wherein the upper telescopic platform (3) and the lower telescopic platform (4) have the same structure and comprise a plurality of main beams (8) with adjustable length, a plurality of secondary beams (9) and a telescopic springboard (10); the main beams (8) are parallel and obliquely arranged, the secondary beams (9) are perpendicular to the main beams (8) and are horizontally arranged, and two ends of the secondary beams are fixed on the main beams (8); the telescopic springboard (10) is fixed on the plurality of secondary beams (9); one end of each main beam (8) of the upper telescopic platform (3) is detachably connected to the upper end of the vertical beam of the first support frame (1), and the other end of each main beam is obliquely downwards and detachably connected to the upper end of the vertical beam of the second support frame (2); and each main beam (8) of the lower telescopic platform (4) is detachably connected with the lower end of the vertical beam of the first support frame (1) at one end, and the other end of the main beam is detachably connected with the lower end of the vertical beam of the second support frame (2) in a downward inclined manner.

6. The telescopic and foldable double-deck operation table according to claim 5, wherein the telescopic gangway (10) comprises a first fixed gangway (101), a second fixed gangway (102) and a movable gangway (103), the first fixed gangway (101) is fixed on a plurality of the secondary beams (9) close to one side of the building wall (11), the second fixed gangway (102) is fixed on a plurality of the secondary beams (9) far from the side of the building wall (11), one end of the movable gangway (103) is hinged on the first fixed gangway (101), and the other end of the movable gangway (103) can be lapped on the second fixed gangway (102).

7. A telescopic and foldable double-deck console according to claim 6, further comprising a movable baffle (13), wherein the movable baffle (13) is arranged obliquely and one end of the movable baffle is hinged to the upper end surface of the second fixed springboard (102) close to the building element (12), and the other end of the movable baffle is lapped on the building element (12).

8. The telescopic foldable double-layer operation table according to claim 5, further comprising a connecting plate, wherein the connecting plate comprises a plurality of first connecting plates and a plurality of second connecting plates, the plurality of first connecting plates are all fixed on the vertical beams of the first support frame (1) and each first connecting plate is provided with a first through hole, and the plurality of second connecting plates are all fixed on the vertical beams of the second support frame (2) and each second connecting plate is provided with a second through hole.

9. The telescopic foldable double-layer operation table according to claim 8, further comprising a connection lug plate arranged obliquely, wherein the connection lug plate comprises a first lug plate (81) and a second lug plate (82), a first lug plate hole is formed in one end of the first lug plate (81), a first pin (85) for inserting the first through hole is penetrated in the first lug plate hole, the other end of the first lug plate hole is fixedly connected to one end of the main beam (8), one end of the second lug plate (82) is fixedly connected to the other end of the main beam (8), a second lug plate hole is formed in the other end of the second lug plate hole, and a second pin (86) for inserting the second through hole is penetrated in the second lug plate hole.

10. A telescopic and foldable double-deck console according to claim 9, characterized in that the main beams (8), the first ear plates (81) and the second ear plates (82) are inclined at the same angle and form an angle of not less than 10 ° with the horizontal plane.

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