CN115839165A - A expanded construction platform for aerial work - Google Patents

Abstract

The invention belongs to the technical field of building construction equipment, and discloses an expandable construction platform for high-altitude operation, which comprises a base, a fixed plate and a construction station plate, wherein two sides of the construction station plate are slidably connected with a notch through movable blocks, one end of the construction station plate is slidably sleeved with the fixed plate, a pneumatic cylinder is arranged at the bottom of the fixed plate, a lifting plate is connected to the bottom of the pneumatic cylinder, one side of the lifting plate is hinged with an inclined block, one end of the inclined block is hinged with the movable blocks, a support box is fixedly arranged at the center of the bottom of the base, two movable blocks are hermetically and slidably connected inside the support box, the top of the lifting plate is communicated with the support box through a first connecting mechanism, and the movable blocks are fixedly connected with a support plate through a second connecting mechanism. The lifting plate is driven by the pneumatic cylinder to move upwards, so that the moving range of constructors can be expanded, the two supporting plates can be pushed to move oppositely, the supporting area of the supporting plates and the supporting box on the ground can be increased, and the stability of the whole construction platform can be improved.

Description

A expanded construction platform for aerial work

Technical Field

The invention relates to the technical field of building construction equipment, in particular to an extensible construction platform for high-altitude operation.

Background

The building construction refers to production activities in the engineering construction implementation stage, and is the construction process of various buildings, and related constructors often need to use various tool equipment in the construction process of the buildings, and the construction support is one of important tools.

At present, a construction support is often needed to be used by a construction worker in the operation process, so that high-altitude construction operation can be met, in the actual use process of the existing construction support, when the construction worker stands on the construction support for operation, the construction area which can be implemented by the construction worker is limited, namely, the construction range of the maximum limited area exists, if the adjacent area exceeds the construction range of the maximum area, the construction worker can only get off the construction support, and the construction support is moved to reach the adjacent area to continue construction operation, so that the adjustment of the construction range from top to bottom affects the working efficiency of the construction worker, and the labor intensity of the construction worker is increased, so that the improvement and optimization of the construction support are needed.

Disclosure of Invention

Aiming at the technical problems in the prior art, the invention provides an expandable construction platform for high-altitude operation, which comprises a base, fixing plates and a construction station plate, wherein fixing frames are fixedly arranged on two sides of the top of the base, the fixing plate is fixedly arranged between the two fixing frames, through notches are formed in the side surfaces of the two fixing frames, two sides of the construction station plate are in sliding connection with the notches through movable blocks, one end of the construction station plate is in sliding sleeve connection with the fixing plates, a pneumatic cylinder is fixedly arranged at the bottom of the fixing plates, a lifting plate is fixedly connected with a telescopic end of the bottom of the pneumatic cylinder, an inclined block is hinged to one side of the lifting plate, one end, far away from the lifting plate, of the inclined block is hinged to the movable blocks, and the construction station plate is far away from or close to the fixing plates under the driving of the lifting plates and the inclined blocks;

the supporting box is fixedly installed in the center of the bottom of the base, the two moving blocks are connected to the inside of the supporting box in a sliding mode in a sealing mode, the two moving blocks are symmetrically arranged relative to the center of the supporting box, the top of the lifting plate is communicated with the supporting box through a first connecting mechanism, the two moving blocks move back to back or move in opposite directions under the driving of the lifting plate and the first connecting mechanism, and one side, far away from the center of the supporting box, of each moving block is fixedly connected with a supporting plate through a second connecting mechanism.

Preferably, the construction station plates comprise two, and the two construction station plates are symmetrically arranged at two ends of the fixing plate.

Preferably, first coupling mechanism includes perpendicular piece, montant, motion board, under casing, fixed case and movable box, perpendicular piece fixed mounting is in the bottom of fixed plate, and is located pneumatic cylinder one side, motion board sealing sliding mounting is in the montant, the top fixed connection of montant one end and lifter plate, the other end run through perpendicular piece and inside motion board fixed connection, the top fixed mounting of base has the under casing, the under casing is located the lifter plate, the fixed case with the under casing intercommunication is installed at the top of under casing, the fixed case is located the side of lifter plate, connecting pipe and fixed case intercommunication are passed through at the top of perpendicular piece, the internally mounted that the base is close to the bottom has the movable box, the under casing passes through third coupling mechanism and movable box intercommunication, the bottom and the supporting box intercommunication of movable box, and the intercommunication position is located two between the movable block, it is located the top space of motion board, connecting pipe, fixed case and movable box and the below space that the movable box is located third coupling mechanism and all fills with hydraulic oil to erect the piece.

Preferably, the vertical blocks and the fixed boxes respectively comprise two vertical blocks which are symmetrically arranged on two sides of the pneumatic cylinder, and the fixed boxes are symmetrically arranged on two sides of the lifting plate.

Preferably, the third connecting mechanism comprises a first moving block, a connecting rod and a second moving block, the first moving block is arranged in the movable box in a sealing and sliding mode and located above hydraulic oil, the second moving block is arranged in the bottom box in a sealing and sliding mode, one end of the connecting rod is fixedly connected with the first moving block, and the other end of the connecting rod sequentially penetrates through the movable box, the base and the bottom box and is fixedly connected with the second moving block.

Preferably, the third connecting mechanism further comprises a flexible spring, the flexible spring is sleeved outside the connecting rod, and two ends of the flexible spring are fixedly connected with the bottom of the second motion block and the bottom of the inner cavity of the bottom box respectively.

Preferably, the second connecting mechanism comprises a fixed pipe and a rigid spring, one end of the fixed pipe is fixedly connected with the moving block, the other end of the fixed pipe penetrates through the supporting box and extends to the outside of the supporting box to be fixedly connected with the supporting plate, the rigid spring is sleeved on the fixed pipe, and two ends of the rigid spring are fixedly connected with the inner wall of the supporting box and the moving block respectively.

Preferably, the fixed pipe is a hollow pipe, the end part of the hollow pipe is communicated with the movable box through a supporting box, and the hollow pipe is filled with hydraulic oil.

Preferably, fixed fences are fixedly mounted on two sides of the top of the fixed plate, one end of each movable fence is sleeved on the corresponding fixed fence along the inner portion of the sliding direction of the construction station plate, and the other end of each movable fence extends to the outer portion of the corresponding fixed fence and the bottom end of the corresponding movable fence is fixedly connected with the top of the construction station plate.

Preferably, a crawling ladder is fixedly mounted on one side of the fixing plate and located on one side, far away from the inclined block, of the lifting plate.

Has the advantages that:

1. according to the construction station plate, the pneumatic cylinders, the lifting plate and the inclined blocks are arranged, the lifting plate can move upwards due to operation of the pneumatic cylinders, the inclined blocks can push the movable blocks to slide along the notches, movement of the construction station plate away from the fixed plate is achieved, the area of the construction station plate, on which a constructor can stand, is effectively expanded, the construction range of the constructor on the top of the construction station plate is expanded, the constructor can construct on a large scale without moving the construction support, the operation efficiency of the constructor is improved, and by combining the arrangement of the supporting box, the two movable blocks, the first connecting mechanism, the second connecting mechanism and the supporting plate, the two supporting plates can be driven to move back to each other by the first connecting mechanism and the second connecting mechanism to slide out of the supporting box when the lifting plate moves upwards, the supporting area of the supporting plate and the supporting box to the ground can be increased while the construction range is increased, and the supporting stability of the whole construction support is improved.

2. According to the invention, through the matched arrangement of the two construction station plates, the areas of the two sides of the fixing plate for construction personnel to stand can be expanded, so that the construction range is further increased.

3. According to the invention, through the arrangement of the vertical block, the vertical rod, the moving plate, the connecting pipe, the bottom box, the fixed box, the third connecting mechanism and the movable box, the moving plate can be driven to move upwards through the vertical rod when the lifting plate moves upwards, so that hydraulic oil in the vertical block can be extruded by the moving plate to enter the connecting pipe and flow into the fixed box, then enters the bottom box from the fixed box, then the third connecting mechanism is pushed, hydraulic oil in the movable box is pushed to enter the supporting box through the third connecting mechanism, and then the two supporting plates are pushed by the two moving blocks to slide out of the supporting box in a back-and-forth movement mode.

4. According to the invention, through the arrangement of the first motion block, the connecting rod and the second motion block, the second connection block can be pushed to move downwards by utilizing hydraulic oil in the fixed box, so that the connecting rod and the first motion block are driven to move downwards synchronously, and the hydraulic oil in the movable box is extruded into the support box conveniently and quickly.

5. According to the invention, through the arrangement of the hollow fixed pipe and the rigid spring, the automatic resetting effect of the supporting plate can be realized, and meanwhile, the hydraulic oil can be convenient to directly apply acting force to the supporting plate from the hollow pipe, so that the supporting plate is accelerated to slide out from the supporting box.

6. According to the invention, through the arrangement of the fixed fence and the movable fence, the construction safety can be ensured, and the occurrence of safety accidents is reduced, particularly when the two construction station plates move oppositely, the tail ends of the two movable fences also move in the two fixed fences, so that the movement lengths of the two construction station plates can be adapted; through the setting of cat ladder, can make things convenient for constructor's upper and lower.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the backside structure of the present invention;

FIG. 3 is a sectional view of a construction station plate and fixing plate mounting structure according to the present invention;

FIG. 4 is a schematic front half-section view of the present invention;

FIG. 5 is a schematic view of the bottom structure installation of the present invention;

FIG. 6 is a schematic side view of a half-section configuration of the present invention.

In the figure: 1. a base; 2. a fixed mount; 3. a fixing plate; 4. a notch; 5. a construction station plate; 6. a movable block; 7. a pneumatic cylinder; 8. a lifting plate; 9. a sloping block; 10. climbing a ladder; 11. fixing the fence; 12. a movable fence; 13. a bottom box; 14. a fixed box; 15. a vertical block; 16. a connecting pipe; 17. a vertical rod; 18. a sports board; 19. a movable box; 20. a first motion block; 21. a connecting rod; 22. a second motion block; 23. a flexible spring; 24. a support box; 25. a moving block; 26. a hollow tube; 27. a support plate; 28. a rigid spring; 29. and a roller.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. 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 scope of protection of the present invention.

The invention provides an expandable construction platform for high-altitude operation, which comprises a base 1, a fixed plate 3 and a construction station plate 5, wherein fixed frames 2 are fixedly arranged on two sides of the top of the base 1, the fixed plate 3 is fixedly arranged between the two fixed frames 2, through notches 4 are formed in the side surfaces of the two fixed frames 2, two sides of the construction station plate 5 are in sliding connection with the notches 4 through movable blocks 6, one end of the construction station plate 5 is in sliding sleeve connection with the fixed plate 3, the construction station plate 5 comprises two construction station plates 5, the two construction station plates 5 are symmetrically arranged at two ends of the fixed plate 3, a pneumatic cylinder 7 is fixedly arranged at the bottom of the fixed plate 3, a lifting plate 8 is fixedly connected with the bottom telescopic end of the pneumatic cylinder 7, one side of the lifting plate 8 is hinged with an inclined block 9, one end, far away from the lifting plate 8, of the inclined block 9 is hinged with the movable blocks 6, and the construction station plate 5 is far away from or close to the fixed plate 3 under the driving of the lifting plate 8 and the inclined block 9;

the bottom center of the base 1 is fixedly provided with a supporting box 24, the inside of the supporting box 24 is hermetically and slidably connected with two moving blocks 25, the two moving blocks 25 are symmetrically arranged relative to the center of the supporting box 24, rollers 29 are arranged on the front and rear sides of two sides of the bottom of the base 1 in a rolling manner, the rollers 29 are detachably connected with the base 1, the rollers 29 comprise four rollers, the construction support can be conveniently moved by constructors when the rollers 29 are installed, the adjustment of construction operation positions is facilitated, when the rollers 29 are disassembled, the construction platform can be conveniently fixed on the ground through the contact between the supporting box 24 and the ground, the stabilizing effect is improved, the top of the lifting plate 8 is communicated with the supporting box 24 through a first connecting mechanism, the two moving blocks 25 are driven by the lifting plate 8 and the first connecting mechanism to be far away from or close to the center of the supporting box 24, and one side, far away from the supporting box 24, of the moving blocks 25 is fixedly connected with a supporting plate 27 through a second connecting mechanism.

In this embodiment, through setting up construction station board 5, pneumatic cylinder 7, lifter plate 8 and sloping block 9, because pneumatic cylinder 7's operation, will make lifter plate 8 upward movement, sloping block 9 will promote movable block 6 and slide along notch 4 this moment, thereby realized that construction station board 5 deviates from the motion of fixed plate 3, and then make construction station board 5 can supply the area that the constructor stood to obtain effectual extension, at this moment also can enlarge the scope of construction of constructor at construction station board 5 top, make constructor need not to remove this construction support and just can carry out construction on a large scale, constructor's operating efficiency has been improved, combine supporting box 24, two movable blocks 25, first coupling mechanism, the setting of second coupling mechanism and supporting plate 27, can be in lifter plate 8 upward movement, through first coupling mechanism, second coupling mechanism drives two supporting plate 27 back of the body motion roll-off supporting box 24 mutually, increase the supporting area of supporting plate 27 and supporting box 24 to ground when can realizing that the scope of construction increases, improve the support stability of whole construction support.

Preferably, as shown in fig. 1, 3 and 4, the first connecting mechanism includes two vertical blocks 15, a vertical rod 17, a moving plate 18, a bottom box 13, a fixed box 14 and a movable box 19, the vertical block 15 and the fixed box 14 include two vertical blocks 15, the vertical block 15 is fixedly mounted at the bottom of the fixed plate 3, the two vertical blocks 15 are symmetrically disposed at two sides of the pneumatic cylinder 7, the moving plate 18 is slidably mounted in the vertical block 15 in a sealing manner, wherein the outer surface of the moving plate 18 and the inner wall of the vertical block 15 are smooth, so that the moving plate 18 can move more smoothly inside the vertical block 15, the vertical block 15 is located above the moving plate 18 and is filled with hydraulic oil, one end of the vertical rod 17 is fixedly connected with the top of the lifting plate 8, the other end of the vertical rod runs through the vertical block 15 and is fixedly connected with the moving plate 18 inside, the bottom box 13 is fixedly mounted at the top of the base 1, the bottom box 13 is located under the lifting plate 8, the top of the bottom box 13 is provided with a fixed box 14 communicated with the bottom box 13, the fixed box 14 is symmetrically arranged at two sides of the lifting plate 8, the top of the vertical block 15 is communicated with the fixed box 14 through a connecting pipe 16, the size of the connecting pipe 16 is the same, the connecting pipe 16 is symmetrical about the center of the pneumatic cylinder 7, the connecting pipe 16 and the fixed box 14 are filled with hydraulic oil, the base 1 is provided with a movable box 19 near the bottom, the movable box 19 is filled with hydraulic oil, the bottom box 13 is communicated with the movable box 19 through a third connecting mechanism, wherein the third connecting mechanism comprises a first moving block 20, a connecting rod 21 and a second moving block 22, the first moving block 20 is arranged in the movable box 19 in a sealing and sliding manner and is positioned above the hydraulic oil, the second moving block 22 is arranged in the bottom box 13 in a sealing and sliding manner, one end of the connecting rod 21 is fixedly connected with the first moving block 20, the other end of the connecting rod sequentially penetrates through the moving box 19, the base 1 and the bottom box 13 and is fixedly connected with the second moving block 22, the bottom of the moving box 19 is communicated with the supporting box 24, the communicated part is located between the two moving blocks 25, the third connecting mechanism further comprises a flexible spring 23, the flexible spring 23 is sleeved outside the connecting rod 21, two ends of the flexible spring 23 are respectively fixedly connected with the bottom of the second moving block 22 and the bottom of the inner cavity of the bottom box 13, and automatic resetting of the first moving block 20 and the second moving block 22 can be rapidly realized when the lifting plate 8 is restored to the initial position through the arrangement of the flexible spring 23.

In this embodiment, through the arrangement of the vertical block 15, the vertical rod 17, the moving plate 18, the connecting pipe 16, the bottom case 13, the fixed case 14, the third connecting mechanism including the first moving block 20, the connecting rod 21 and the second moving block 22, and the moving case 19, the vertical rod 17 can drive the moving plate 18 to move upward when the lifting plate 8 moves upward, so that the hydraulic oil inside the vertical block 15 is squeezed by the moving plate 18 to enter the connecting pipe 16 and flow into the fixed case 14, then the hydraulic oil enters the bottom case 13 from the fixed case 14, then the second moving block 22 is pushed to drive the connecting rod 21 and the first moving block 20 to move downward, the hydraulic oil inside the moving case 19 is pushed by the first moving block 20 to enter the inside of the supporting case 24, and then the two supporting plates 27 are pushed by the two moving blocks 25 to slide out of the supporting case 24 in a reverse motion.

Preferably, as shown in fig. 4 and 5, the second connecting mechanism includes a fixed pipe and a rigid spring 28, one end of the fixed pipe is fixedly connected to the moving block 25, the other end of the fixed pipe penetrates through the supporting box 24 and extends to the outside of the supporting box 24 to be fixedly connected to the supporting plate 27, the rigid spring 28 is sleeved on the fixed pipe, two ends of the rigid spring 28 are respectively fixedly connected to the inner wall of the supporting box 24 and the moving block 25, the fixed pipe is a hollow pipe 26, an end of the hollow pipe 26 is communicated with the moving box 19 through the supporting box 24, and the hollow pipe 26 is filled with hydraulic oil.

In this embodiment, through the setting of hollow fixed tube and stiff spring 28, can realize the automatic re-setting effect of backup pad 27, can make things convenient for hydraulic oil directly to exert the effort to backup pad 27 from hollow tube 26 simultaneously to accelerate backup pad 27 and follow the interior roll-off of support box 24.

Preferably, as shown in fig. 1 and 2, fixed fences 11 are fixedly mounted on two sides of the top of the fixed plate 3, one end of a movable fence 12 is movably sleeved inside the fixed fence 11 along the sliding direction of the construction station plate 5, the other end of the movable fence 12 extends to the outside of the fixed fence 11, and the bottom end of the movable fence is fixedly connected with the top of the construction station plate 5; a ladder stand 10 is fixedly arranged on one side of the fixed plate 3, and the ladder stand 10 is positioned on one side of the lifting plate 8 far away from the inclined block 9.

In the embodiment, the fixed fences 11 and the movable fences 12 are arranged, so that construction safety can be ensured, safety accidents are reduced, and particularly when the two construction station plates 5 move back to back, the tail ends of the two movable fences 12 also move inside the two fixed fences 11, so that the movement lengths of the two construction station plates 5 can be adapted; through the setting of cat ladder 10, can make things convenient for constructor's upper and lower.

The working principle and the using process are as follows:

as shown in fig. 1 to 6, firstly, a constructor moves the construction platform to a designated construction site, and then starts to climb the ladder stand 10 to the tops of the two construction station plates 5 and the fixing plate 3, and then construction work can be performed;

if the constructor needs to operate the high adjacent area, and the adjacent area exceeds the range where the constructor can operate by hands, the constructor can stand on the top of the fixed plate 3 at the moment, then the pneumatic cylinder 7 is started, the lifting plate 8 can move upwards by the operation of the pneumatic cylinder 7, the two inclined blocks 9 can push the two groups of movable blocks 6 to move back and forth in the notch 4, and the construction station plates 5 on the two sides in the fixed plate 3 can move, so that the areas of the two construction station plates 5 on the two sides of the fixed plate 3 can be changed, then the pneumatic cylinder 7 is closed, the constructor can stand on the top of the construction station plate 5 with the expanded area to perform construction operation, the operation range of the constructor is effectively expanded, and the operation efficiency of the constructor is improved;

when the pneumatic cylinder 7 controls the lifting plate 8 to move upwards, at this time, the two vertical rods 17 push the two moving plates 18 to move upwards in the vertical block 15, at this time, hydraulic oil in the vertical block 15 enters the inside of the fixed box 14 through the connecting pipe 16, and presses the second moving block 22, the connecting rod 21 and the first moving block 20 to move downwards, at this time, the flexible spring 23 is in a state of being compressed by the second moving block 22, when the first moving block 20 moves downwards, hydraulic oil in the movable box 19 enters the inside of the supporting box 24, a part of hydraulic oil directly pushes the two moving blocks 25 to move back and back against the elastic force of the rigid spring 28, and the other part of hydraulic oil enters the inside of the hollow pipe 26 through the moving blocks 25, so that the hydraulic oil directly acts on the supporting plate 27 to move back and back, so that the hydraulic oil can extend out of the bottom of the base 1, at this time, due to the cooperation between the two supporting plates 27 and the supporting box 24, the bottom supporting area of the construction support is increased, and the placing stability of the construction support is guaranteed.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent substitutions made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims (10)

1. An extensible construction platform for high-altitude operation comprises a base (1), a fixing plate (3) and a construction station plate (5), wherein fixing frames (2) are fixedly mounted on two sides of the top of the base (1), the fixing plate (3) is fixedly mounted between the two fixing frames (2), through notches (4) are formed in the side faces of the two fixing frames (2), two sides of the construction station plate (5) are slidably connected with the notches (4) through movable blocks (6), one end of the construction station plate (5) is slidably sleeved with the fixing plate (3), a pneumatic cylinder (7) is fixedly mounted at the bottom of the fixing plate (3), and a lifting plate (8) is fixedly connected with the bottom of the pneumatic cylinder (7) in a telescopic mode;

the supporting box (24) is fixedly installed in the center of the bottom of the base (1), two moving blocks (25) are connected to the supporting box (24) in a sliding mode in an internal sealing mode, the two moving blocks (25) are symmetrically arranged relative to the center of the supporting box (24), the top of the lifting plate (8) is communicated with the supporting box (24) through a first connecting mechanism, the two moving blocks (25) move back to back or move in the opposite direction under the driving of the lifting plate (8) and the first connecting mechanism, and one side, far away from the supporting box (24), of the center of each moving block (25) is fixedly connected with a supporting plate (27) through a second connecting mechanism.

2. The expandable construction platform for aerial work according to claim 1, wherein the construction station plates (5) comprise two pieces, and the two construction station plates (5) are symmetrically arranged at both ends of the fixing plate (3).

3. The expandable construction platform for high-altitude operation as claimed in claim 1 or 2, wherein the first connecting mechanism comprises a vertical block (15), a vertical rod (17), a moving plate (18), a bottom box (13), a fixed box (14) and a movable box (19), the vertical block (15) is fixedly installed at the bottom of the fixed plate (3) and located on one side of the pneumatic cylinder (7), the moving plate (18) is installed in the vertical block (15) in a sealing and sliding manner, one end of the vertical rod (17) is fixedly connected with the top of the lifting plate (8), the other end of the vertical block penetrates through the vertical block (15) and is fixedly connected with the moving plate (18) inside, the bottom box (13) is fixedly installed at the top of the base (1), the bottom box (13) is located under the lifting plate (8), the fixed box (14) communicated with the bottom box (13) is installed at the top of the bottom box (13), the fixed box (14) is located on the side of the lifting plate (8), the top of the vertical block (15) is communicated with the fixed box (14) through a connecting pipe (16), the movable box (19) is connected with the bottom box (19), and the movable box (19) is connected with a supporting mechanism, and the bottom box (25) is located between the movable box (19), the vertical block (15) is positioned in the space above the moving plate (18), and the connecting pipe (16), the fixed box (14) and the movable box (19) are positioned in the space below the third connecting mechanism and are filled with hydraulic oil.

4. The expandable construction platform for high operations according to claim 3, characterised in that the vertical blocks (15) and the fixed boxes (14) comprise two blocks, two blocks (15) are symmetrically arranged on both sides of the pneumatic cylinder (7), and two fixed boxes (14) are symmetrically arranged on both sides of the lifting plate (8).

5. The expandable construction platform for high-altitude operation according to claim 4, wherein the third connecting mechanism comprises a first moving block (20), a connecting rod (21) and a second moving block (22), the first moving block (20) is slidably and hermetically mounted inside the moving box (19) and located above hydraulic oil, the second moving block (22) is slidably and hermetically mounted inside the bottom box (13), one end of the connecting rod (21) is fixedly connected with the first moving block (20), and the other end of the connecting rod sequentially penetrates through the moving box (19), the base (1) and the bottom box (13) and is fixedly connected with the second moving block (22).

6. The expandable construction platform for high-altitude operation according to claim 5, wherein the third connecting mechanism further comprises a flexible spring (23), the flexible spring (23) is sleeved outside the connecting rod (21), and two ends of the flexible spring (23) are respectively and fixedly connected with the bottom of the second motion block (22) and the bottom of the inner cavity of the bottom box (13).

7. The expandable construction platform for high-altitude operation according to claim 6, wherein the second connecting mechanism comprises a fixed pipe and a rigid spring (28), one end of the fixed pipe is fixedly connected with the movable block (25), the other end of the fixed pipe penetrates through the support box (24) and extends to the outside of the support box (24) to be fixedly connected with the support plate (27), the rigid spring (28) is sleeved on the fixed pipe, and two ends of the rigid spring (28) are respectively fixedly connected with the inner wall of the support box (24) and the movable block (25).

8. The expandable construction platform for high work according to claim 7, wherein the fixed pipe is a hollow pipe (26), the end of the hollow pipe (26) is communicated with the movable box (19) through a support box (24), and the hollow pipe (26) is filled with hydraulic oil.

9. The expandable construction platform for high-altitude operation according to claim 1 or 2, wherein fixed fences (11) are fixedly mounted on two sides of the top of the fixed plate (3), one end of a movable fence (12) is movably sleeved on the fixed fence (11) along the inside of the sliding direction of the construction station plate (5), the other end of the movable fence (12) extends to the outside of the fixed fence (11), and the bottom end of the movable fence is fixedly connected with the top of the construction station plate (5).

10. An expandable construction platform for high above operations according to claim 1 or 2, characterized in that a ladder (10) is fixedly installed on one side of the fixed plate (3), and the ladder (10) is positioned on one side of the lifting plate (8) far away from the sloping block (9).

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