CN219138307U

CN219138307U - Telescopic and foldable double-layer operation table

Info

Publication number: CN219138307U
Application number: CN202222966656.1U
Authority: CN
Inventors: 刘浩; 刘高彦; 陈振宇; 金磊; 张宝谦; 刘硕; 贾业鑫; 马一方; 李成钢; 梁辰; 王志松; 汪冰宇; 马青云; 霍巧玲; 张宏宇
Original assignee: China Construction Fourth Engineering Division Corp Ltd
Current assignee: China Construction Fourth Engineering Division Corp Ltd
Priority date: 2022-11-07
Filing date: 2022-11-07
Publication date: 2023-06-06
Anticipated expiration: 2032-11-07

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

Telescopic and foldable double-layer operation table

Technical Field

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

Background

When constructing in a high-rise building elevator shaft, an operation table needs to be erected in the elevator shaft for construction. Conventional techniques typically employ scaffolding from root to root, or building up an operator's station with structural beams. But the construction is complex and labor is wasted.

The prior art has had simple and convenient hoist and mount bilayer operation panel, for example the utility model patent of application number CN202120453598.5 discloses a bilayer elevator shaft construction operation panel, including steel bracket and protection railing, the bottom front end of steel bracket is provided with the landing leg, and the bottom surface of landing leg is provided with the bolt, the top of steel bracket is connected with the steel sheet, and the upper end of steel sheet is provided with keeps off the sole, the rail guard pole sets up in the outside that keeps off the sole, the upper end left and right sides of steel sheet is provided with rings, the outside laminating of steel sheet has the elevator shaft wall body, and the front end of elevator shaft wall body is provided with building element, the inboard of steel bracket is provided with the pedal, the surface rear side of steel sheet is provided with the fender lid, and the front end that keeps off the lid is provided with the pull handle, the end that keeps off the lid is provided with the axostylus axostyle. This double-deck elevartor shaft construction operation platform is provided with the steel sheet, and the setting of a set of steel sheet divide into two regions with basic skeleton to the double-deck construction of being convenient for need not to additionally set up the scaffold frame, labour saving and time saving. However, due to the structural limitation of the building hoistway, the hoistway protection platform can only be customized according to the specific size of the building hoistway, but most building hoistway space sizes are unique, so that the platform cannot be recycled. And typically the guard platform is a cube structure, with storage taking up a lot of space.

Therefore, how to provide an operation table which is convenient and efficient in construction, low in cost and reusable, and can meet the requirement of simultaneous construction of an upper layer and a lower layer is a problem to be solved by a person skilled in the art.

Disclosure of Invention

In view of the foregoing, the present utility model aims to provide a telescopic and foldable dual-layer console to solve at least some of the above-mentioned technical problems in the prior art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: a telescoping, collapsible dual-layer console, comprising:

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

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 with the upper end of the first support frame, and the other end of the upper telescopic platform is inclined downwards and detachably connected with 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, the other end of the lower telescopic platform is detachably connected to the lower end of the second support frame, and the upper telescopic platform and the lower telescopic platform form a double-layer operation platform structure;

a a plurality of hanger plates for hoisting double-deck operation panel, it has the lifting eye to open on the hanger plate, the hanger plate is fixed correspond go up flexible platform hookup location top on the first support frame.

The technical scheme of the last step has the beneficial effects that: the telescopic support frame and the telescopic platform can be adjusted according to the size of a building hoistway, and the telescopic platform and the telescopic support frame can be detachably connected, so that the telescopic support frame and the telescopic support frame are convenient to assemble, disassemble and store. The upper telescopic platform and the lower telescopic platform are respectively fixed at the upper end and the lower end of the inner side of the telescopic support frame to form a double-layer operation platform. The upper telescopic platform and the lower telescopic platform are parallel and are obliquely arranged, so that the first support frame and the building wall and the second support frame and the building member can be tightly attached, the structure is more stable, and collapse is prevented. The lifting plate can be conveniently connected with lifting equipment to lift the operation platform.

Further, the anti-falling device further comprises an anti-falling baffle, the anti-falling baffle comprises a plurality of first anti-falling baffles and a plurality of second anti-falling baffles, each first anti-falling baffle is fixed on the first support frame above the lower telescopic platform, and each second anti-falling baffle is fixed on the second support frame below the upper telescopic platform and below the lower telescopic platform respectively.

The technical scheme of the last step has the beneficial effects that: the upper telescopic platform and the lower telescopic platform are all obliquely arranged, so that the anti-falling baffle is arranged, a reinforcing structure is achieved, and the bearing force is enhanced.

Further, the support frame also comprises a plurality of support legs which are respectively fixed below the outer side of the second support frame so as to be supported on the building component.

The technical scheme of the last step has the beneficial effects that: the support legs are arranged on the side of the building component, so that the structure is firmly fixed in the building well.

Further, the first support frame and the second support frame have the same structure and comprise two cross beams with adjustable lengths which are arranged in parallel in the horizontal direction and two vertical beams with adjustable lengths which are arranged in parallel in the vertical direction; the two cross beams are respectively fixed at the upper ends and the lower ends of the inner sides of the two vertical beams.

The technical scheme of the last step has the beneficial effects that: the first support frame with the crossbeam and the upright beam of adjustable length are all used to the second support frame, conveniently adjust according to the concrete well size of building.

Further, the upper telescopic platform and the lower telescopic platform have the same structure and comprise a plurality of main beams with adjustable lengths, a plurality of secondary beams and telescopic springboards; the main beams are arranged in parallel and in an inclined mode, the secondary beams are arranged vertically and horizontally, two ends of the secondary beams are fixed on the main beams, and the telescopic springboard is fixed on the secondary beams; one end of each main girder of the upper telescopic platform is detachably connected to the upper end of the first support frame, and the other end of each main girder of the upper telescopic platform is obliquely downwards and detachably connected to the upper end of the second support frame; and one end of each main girder of the lower telescopic platform is detachably connected with the lower end of the first support frame, and the other end of each main girder of the lower telescopic platform is obliquely and detachably connected with the lower end of the second support frame.

The technical scheme of the last step has the beneficial effects that: a plurality of secondary beams are used for fixing the upper part of the main beam, telescopic springboards are fixed on the secondary beams, and the multilayer structure is used for reinforcing the bearing strength and the stability of the telescopic platform.

Further, the scalable springboard includes first fixed springboard, second fixed springboard and activity springboard, first fixed springboard is fixed be close to a plurality of on the side of the building wall body a plurality of on the secondary beam, the second fixed springboard is fixed keep away from a plurality of on the side of the building wall body the secondary beam, activity springboard one end articulates and connects on the first fixed springboard, the other end can overlap joint on the second fixed springboard.

The technical scheme of the last step has the beneficial effects that: when the length of the main beam is adjusted, the length of the telescopic springboard can be adjusted through the movable springboard to adapt to the main beam, so that the telescopic springboard is paved on the secondary beam integrally, gaps are not reserved, and the safety of operators is ensured.

Further, a movable baffle is also arranged on the upper telescopic platform in an inclined mode, one end of the movable baffle is hinged to the upper end face, close to the building component, of the second fixed springboard, and the other end of the movable baffle is lapped on the building component.

The telescopic platform is obliquely arranged, so that the movable baffle plates are arranged to be lapped on the building components, and articles slide out of the telescopic platform to cause casualties of falling high altitude during construction operation.

Further, still be equipped with the connecting plate, the connecting plate includes a plurality of first connecting plates and a plurality of second connecting plate, and is a plurality of first connecting plate is all fixed on the upright beam of first support frame and every all open on the first connecting plate and have first through-hole, a plurality of the second connecting plate is all fixed on the upright beam of second support frame and every all open on the second connecting plate and have the second through-hole.

The technical scheme of the last step has the beneficial effects that: the girder is convenient to connect and convenient to disassemble and assemble with the girder.

Further, still be equipped with the connection otic placode that the slope was arranged, the connection otic placode includes first otic placode and second otic placode, first otic placode one end is opened there is first otic placode hole, it has the first pin that is used for inserting first through-hole to run through in the first otic placode hole, and the other end fixed connection is in the one end of girder, second otic placode one end fixed connection to the other end of girder, the other end is opened there is the second otic placode hole, it has the second pin that is used for inserting to run through in the second otic placode hole.

Make first support frame with install and tear convenience between second support frame and the girder, and then make install and tear convenience between two support frames and the telescopic platform.

Further, the main beam, the first lug plate and the second lug plate have the same inclination angle and form an included angle of not less than 10 degrees with the horizontal plane.

The technical scheme of the last step has the beneficial effects that: so as to ensure that the first support frame is tightly attached to the building wall body and the second support frame is tightly attached to the building component, and prevent sliding collapse.

Compared with the prior art, the telescopic and foldable double-layer operating platform has the following beneficial effects:

1. the double-layer operation table adopts a plurality of telescopic structures and telescopic springboards, so that the double-layer operation table can be adjusted according to the space size of a building well, has strong applicability, simple structure and low cost, is convenient to assemble and disassemble, and can be reused.

2. The telescopic platform is obliquely arranged, so that the double-layer operation platform is guaranteed to be clung to the inner wall of a building well, and meanwhile, the anti-falling baffle and the supporting legs are arranged, and the stability of the structure is enhanced.

3. The telescopic platform is obliquely arranged, and the movable baffle is arranged to prevent articles from sliding off the platform to the outside of the platform, so that potential safety hazards such as high-altitude falling objects are caused.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and other drawings may be obtained according to the provided drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic side view of the present utility model.

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

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

In the figure: 1. the first support frame, 2, the second support frame, 3, the upper telescopic platform, 4, the lower telescopic platform, 5, the hanger plate, 6, the anti-falling baffle, 7, the landing leg, 8, the girder, 9, the secondary girder, 10, the telescopic springboard, 11, the wall body, 12, the building component, 13, the movable baffle;

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

101. first fixed gangway, 102, second fixed gangway, 103, first movable gangway.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

Referring to fig. 1-3, an embodiment of the present utility model discloses a telescopic foldable double-layer console, which includes:

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 11, and the second support frame 2 is attached to the inner wall surface of a building member 12 at the front end of the building wall 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 to 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 to 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, open on the hanger plate 5 has the lifting eye, and hanger plate 5 is fixed on corresponding last telescopic platform 3 hookup location top first support frame 1.

The support frame and the telescopic platform can be adjusted according to the size of a building well, and the upper telescopic platform 3 and the lower telescopic platform 4 are respectively fixed at the upper end and the lower end of the inner sides of the two support frames to form a double-layer operation platform. Go up telescopic platform 3 and lower telescopic platform 4 all slope setting, can ensure between first support frame 1 and the building wall 11, closely laminate between second support frame 2 and the building component 12, make the structure more firm to all can dismantle between two telescopic platform and first support frame 1 and the second support frame 2 and be connected, conveniently fold or dismantle. The hanger plate 5 may be connected to an external hoisting device to mount or dismount the double-layered operating platform.

In this embodiment, a plurality of supporting legs 7 are further provided, and the plurality of supporting legs 7 are respectively fixed on the building member 12 below the outer side of the second supporting frame 2, so that the operation platform is more firmly fixed in the building shaft. After the supporting legs 7 are installed, the upper end face of the lower telescopic platform 4 is flush with the building component 12 or slightly lower than the building component 12, so that objects are prevented from sliding off the inclined platform and directly flying out of the platform.

Specifically, the first support frame 1 and the second support frame 2 have the same structure and are in ladder shape, and each comprises two cross beams which are arranged in parallel in the horizontal direction and two vertical beams which are arranged in parallel in the vertical direction and have adjustable lengths; the two cross beams are respectively fixed at the upper end and the lower end between the two vertical beams.

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 lengths, a plurality of secondary beams 9 and a telescopic springboard 10; the main beams 8 are all parallel and obliquely arranged, the secondary beams 9 are all arranged horizontally perpendicular to the main beams 8, two ends of the secondary beams are fixed on the main beams 8, and the telescopic springboard 10 is fixed on the 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; each main beam 8 of the lower telescopic platform 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 in a downward inclined manner.

Optionally, the vertical beam of the first support frame 1 is provided with a plurality of first connecting plates, each first connecting plate is fixed on the inner side of the vertical beam of the first support frame 1, each first connecting plate is provided with a first through hole, and each second connecting plate is fixed on the vertical beam of the second support frame 2 and each second connecting plate is provided with a second through hole.

The connecting lug plate is obliquely arranged, the connecting 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 into a first through hole penetrates through the first lug plate hole, and the other end of the first lug plate 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, and a second lug plate hole is formed in the other end of the second lug plate, and a second pin 86 for being inserted into the second through hole penetrates through the second lug plate hole. The two ends of the main beam 8 are respectively fixed with a first lug plate 81 and a second lug plate 82 which incline, the first lug plate 81 and the first connecting plate and the second lug plate 82 and the second connecting plate are connected together through pins, so that the upper telescopic platform 3 and the lower telescopic platform 4 are of detachable structures, and the first support frame 1 and the second support frame 2 are convenient to assemble and disassemble 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 a downward inclined end of the first ear plate 81, and the other end is provided with a plurality of first insertion holes, and third pins are inserted into the first insertion holes; one end of the second main beam 84 is slidably sleeved on the outer surface of the first main beam 83, a plurality of second insertion holes for inserting third pins are formed in the second main beam, and the other end of the second main beam is fixedly connected to the inclined upper end of the second lug plate 82. The girder 8 is adjustable length pole, adopts square steel to make, and mid portion is the connected mode of sleeve pipe pin, makes length adjustable, conveniently adjusts according to building well size.

Optionally, the secondary beam 9, the cross beam and the vertical beam are all made of square steel, all can use adjustable length rods, and the length adjustable part structure is the same as the main beam 8, is a matched structure of a plurality of jacks and pins, and is convenient for a plurality of building shafts with different sizes.

Referring to fig. 3, the retractable gangway 10 includes 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 secondary beams 9 near one side of the building wall 11, the second fixed gangway 102 is fixed on a plurality of 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 can be lapped on the second fixed gangway 102. When the length of the main beam 8 is adjusted, the length of the movable springboard 103 overlapped on the second fixed springboard 102 is changed, and the length of the telescopic springboard 10 can be adjusted to adapt to the main beam 8, so that the telescopic springboard 10 is paved on the secondary beam 9 integrally, no gap is reserved, and the safety of operators is ensured.

As shown in fig. 1 and 3, in the present embodiment, a movable baffle 13 is provided on the upper telescopic platform 3, the movable baffle 13 is arranged obliquely and one end of the movable baffle 13 is hinged to the upper end surface of the second fixed springboard 102, which is close to the building element 12, and the other end of the movable baffle is lapped on the building element 12. The telescopic platform is obliquely arranged, so that the movable baffle 13 is obliquely abutted on the building member 12, and articles are prevented from sliding out of the platform during construction operation, so that high-altitude falling and casualties are caused. The downward inclined end of the lower telescopic platform 4 is abutted with the building component 12, and the building component 12 can prevent articles from sliding down, so that a movable baffle 13 is not required to be arranged. In some embodiments, the movable barrier 13 may be provided on both the upper and lower platforms according to the construction needs. In some other embodiments, the movable baffle 13 may not be provided under the condition of ensuring safety according to the specific erection position of the double-layer operation table.

Optionally, the main beam 8, the first ear plate 81 and the second ear plate 82 have the same inclination angle and all form an included angle of not less than 10 ° with the horizontal plane. The first support frame 1 is tightly attached to the well building wall 11, and the second support frame 2 is tightly attached to the building member 12, so that sliding collapse is prevented.

Optionally, the anti-falling device further comprises an anti-falling baffle 6, wherein the anti-falling baffle 6 comprises a plurality of first anti-falling baffles and a plurality of second anti-falling baffles, each first anti-falling baffle is fixed on the first support frame 1 above the lower telescopic platform 4, and each second anti-falling baffle is fixed on the second support frame 2 below the upper telescopic platform 3 and below the lower telescopic platform 4 respectively. Specifically, the first anti-falling baffle is fixed on the inner side of the vertical beam of the first support frame 1 above the joint of the first connecting plate and the first lug plate 81, and the second anti-falling baffle is fixed on the inner side of the vertical beam of the second support frame 2 below the joint of the second connecting plate and the second lug plate 82. The telescopic platform is obliquely arranged, and the anti-falling baffle 6 is arranged at the upper end and the lower end of the telescopic platform in an inclined manner, so that the structure is more stable, and the bearing capacity is stronger. And the safety accidents caused by the collapse of the operation platform are prevented.

The manufacturing and using method of the telescopic foldable double-layer operation table comprises the following steps of:

1. firstly, the lengths of the first support frame 1, the second support frame 2, the main beam 8 and the secondary beam 9 are adjusted according to the using space of the platform, and pins are respectively inserted into insertion holes on the first support frame, the second support frame 2, the main beam 8 and the secondary beam 9.

2. The hanger plate 5, the anti-falling baffle 6 and the connecting plate are welded on the corresponding positions of the first support frame 1 and the second support frame 2.

3. The first and

second ear plates

81 and 82 are welded to both ends of the main beam 8, respectively.

4. A secondary beam 9 is arranged on the primary beam 8 and welded together.

5. A retractable diving board 10 is arranged on the secondary beam 9 and welded together.

6 a movable baffle 13 is arranged on the telescopic springboard 10 of the upper telescopic platform according to the requirement.

7. The first support frame 1 and the second support frame 2 are respectively connected with the main beam 8, the first pin 85 penetrates into the first connecting plate and the first lug plate 81, and the second pin 86 penetrates into the second connecting plate and the second lug plate 82 to be assembled into a whole.

8. The support leg 7 is welded at the lower end of the second support frame 2.

9. Lifting the lifting plate 5 by using lifting equipment, slowly lifting the operating platform, lifting the operating platform to a required use position, adjusting the position, slowly falling to enable the supporting legs 7 to be tightly attached to the building component 12, enabling the first supporting frame 1 to be tightly attached to the building wall 11, and after the second supporting frame 2 is tightly attached to the building component, checking the inclination angle of the platform, and removing the lifting tool.

The operation platform has high applicability, can be installed in building shafts with various sizes, can be used for accommodating or being used for the next engineering after all the pin parts are disassembled after the operation platform is used, and realizes the turnover utilization of materials.

In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

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.