Movable operation platform for decoration of cantilever structure part

Abstract

The utility model discloses a movable operating platform for overhanging structure part decoration, which comprises a base frame, walking wheels are arranged at four corners of the lower end face of a base plate of the base frame, cantilever beams are respectively arranged on two opposite sides of the upper end face of the base frame horizontally and outwards, and an operating platform is fixedly arranged on the front end sides of the two cantilever beams. Inclined supporting rods are arranged between the front ends of the two cantilever beams and the two sides of the base frame, a walking ladder for people to go up and down is arranged between the front end of a base plate of the base frame and the operation table along the inclined supporting rods, a step transverse pull rod of the walking ladder is welded and fixed to the inclined supporting rods, and a balance weight is arranged on the rear end side of the base plate of the base frame. The balance weight is positioned through a positioning vertical rod arranged on the base frame chassis, the weight of the balance weight is larger than the weight borne by the operation table, lifting supporting legs are arranged beside the walking wheels at the four corners of the lower end face of the base frame chassis respectively, and the lifting supporting legs are used for positioning and supporting the base frame in the working process.

Description

Technical Field

[0001] The utility model relates to a movable operating platform used for decoration of cantilevered structural parts. Background Art

[0002] In the construction of building projects, the roof shape is mostly a cantilevered frame structure. Traditionally, cantilevered parts are decorated and renovated using cantilevered scaffolding or cage cranes. The cantilevered scaffolding construction often damages the roof surface waterproofing system and affects other decoration and renovation work due to the U-shaped ring fixing structure at the end of the I-beam, resulting in cumbersome procedures and serious quality problems. The cage crane operation requires repeated crane support due to frequent movement, which makes construction inconvenient, has low efficiency and high safety risks. Summary of the invention

[0003] The purpose of the utility model is to provide a movable operating platform for the decoration of cantilevered structural parts. The operating platform is stable and reliable, providing a reliable platform for construction workers at the cantilevered structural parts, thereby effectively improving the construction quality and ensuring the quality of the decoration and renovation construction of the cantilevered structural parts.

[0004] In order to achieve the above purpose, the solution of the utility model is:

[0005] A movable operating platform for decorating a cantilevered structural part comprises a base frame formed by welding columns and transverse and longitudinal beams, wherein walking wheels are arranged at the four corners of the lower end surface of the chassis of the base frame, and cantilever beams are arranged horizontally outward on the opposite sides of the upper end surface of the base frame, and an operating table is fixedly arranged at the front end sides of the two cantilever beams, and the operating table is used for personnel to decorate the cantilevered structural part of the building, and an oblique support rod is arranged between the front ends of the two cantilever beams and the two sides of the base frame, and a walking ladder for personnel to go up and down is arranged between the front end of the chassis of the base frame and the operating table along the oblique support rod, and the ladder cross tie rod of the walking ladder is welded and fixed to the oblique support rod, and a counterweight is arranged on the rear end side of the chassis of the base frame, and the counterweight is positioned by a positioning rod arranged on the chassis of the base frame, and the weight of the counterweight is greater than the weight borne by the operating table, and lifting legs are respectively arranged beside the walking wheels at the four corners of the lower end surface of the chassis of the base frame, and the lifting legs are used to position and support the base frame during work.

[0006] A further solution is that at least two of the running wheels arranged at one end of the base frame chassis among the running wheels arranged at the four corners are universal wheels with brakes.

[0007] A further solution is that: support platforms are respectively extended outwardly from the four corners of the lower end surface of the base frame chassis, and the lifting legs are fixed on the support platforms.

[0008] The scheme is further as follows: the lifting leg comprises a supporting leg and a lifting leg, the lifting leg is sleeved over the supporting leg, a vertical rack slot with a rack is provided on the supporting leg, a gear shaft with teeth is provided on the lifting leg, the teeth of the gear shaft are meshed with the rack of the vertical rack slot; after the supporting leg is vertically erected, the gear shaft is rotated to drive the lifting leg to move up and down along the vertical rack slot of the supporting leg.

[0009] The solution is further as follows: the lifting leg is fixed to the base frame through a positioning and rotating bracket; in the working state, the supporting leg of the lifting leg is rotated and placed vertically downward through the positioning and rotating bracket; in the non-working state, the supporting leg of the lifting leg is rotated and placed horizontally or obliquely upward through the positioning and rotating bracket.

[0010] The solution is further as follows: the positioning and rotating bracket includes a U-shaped bracket, the U-shaped bracket is connected and fixed to the base frame, a supporting shaft is provided on the closed end side of the U-shaped bracket, the lifting leg is rotatably connected to the U-shaped bracket through the supporting shaft, a rotating adjustment disk is provided on one side wall of the U-shaped bracket, a plurality of positioning holes arranged in a circular arc shape are provided on the rotating adjustment disk, a positioning through hole is provided on the lifting leg, the position of the positioning through hole corresponds to the positioning hole, and when the lifting leg is rotated to the position where the supporting leg is vertically downward, horizontally or obliquely upward, a positioning rod is inserted into the positioning through hole and the positioning hole to position and fix the lifting leg.

[0011] A further solution is: the bottom end of the support leg is connected to a boat-shaped foot via a rotating shaft.

[0012] The solution is further that: the operating table is a foldable operating table, including a bottom platform, the bottom platform is placed on the front ends of two cantilever beams and is connected and fixed to the two cantilever beams, guardrails are connected to the left and right sides and the front end of the bottom platform through hinges, and a double-opening guardrail door is arranged at the rear end of the bottom platform, and the double-opening guardrail door is hinged to the guardrails on both sides through hinges. When working: the guardrails on both sides and the front end are vertically erected through the hinges, and the guardrails on both sides are connected and fixed to the upper ends of the front guardrail through locks; when not working, the lock is disengaged, and the guardrails on both sides and the guardrail door are folded in half and laid flat on the bottom platform through the hinges, and the front guardrail is laid flat on the guardrails on both sides and the guardrail door.

[0013] The solution is further that the left and right side guardrails, the front guardrail and the opposing guardrail doors are at least 1.2m high, and protective plates with a height of at least 0.3m are provided on the lower ends of the left and right side guardrails, the front guardrail and the opposing guardrail doors.

[0014] The solution is further that the base frame and the cantilever beam are welded by galvanized steel pipes of 40mm x 80mm x 4mm.

[0015] Compared with the prior art, the advantages of the utility model are: the operating platform is flexible in movement, which reduces the safety risks of cantilever frames and construction using cage cranes, and can be fixed when used, providing a reliable working platform for cantilever structure decoration construction. The construction is convenient and fast, and there is no need for repeated disassembly and assembly. The foldable protective railings reduce the space size and are suitable for a variety of working conditions.

[0016] The utility model is described in detail below in conjunction with the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the plane structure viewed from top to bottom within the frame. Figure 1 AA view;

[0019] Figure 3 This is a schematic diagram of the frame after the operating table guardrail is folded;

[0020] Figure 4 It is a schematic diagram of the plan structure of the foldable operating table;

[0021] Figure 5 This is a schematic diagram of the structure of the lifting legs of the utility model;

[0022] Figure 6 1. It is a schematic diagram of the lifting transmission structure of the lifting legs; Figure 5 BB direction view;

[0023] Figure 7 It is a schematic diagram of the front structure of the lifting legs.

[0024] Figure 8 It is a schematic diagram of the structure of the rotating adjustment disk. DETAILED DESCRIPTION

[0025] A movable operating platform for decoration of cantilevered structures, such as Figures 1 to 8As shown, the movable operating platform includes a base frame 1 which is welded by 4 columns, 4 cross beams and 4 longitudinal beams. Walking wheels 2 are arranged at the four corners of the lower end surface of the chassis of the base frame. Cantilever beams 101 are horizontally arranged outward on the opposite sides of the upper end surface of the base frame. The base frame and the cantilever beams are welded by galvanized square steel pipes of 40mm x 80mm x 4mm. The cantilever beams can be extended outward as the upper end surface of the base frame relative to the beams on both sides. An operating table 3 is fixedly arranged on the front end side of the two cantilever beams. In actual applications, the base frame will be fixed on the inner platform of the building structure, and the operating table 3 is extended from the inner platform for personnel to decorate the cantilevered structure of the building. An oblique support rod 4 is arranged between the front end of the two cantilever beams and the two sides of the base frame, and reinforcing tie rods 5 are arranged between the oblique support rods 4 and the upper beams on both sides of the base frame. A walking ladder 6 for personnel to go up and down is arranged along the oblique support rods between the front end of the chassis of the base frame and the operating table. The ladder cross tie rod 601 of the walking ladder is welded and fixed to the oblique support rod 4. A 4mm thick patterned steel plate 602 is laid on the walking ladder 6, and a counterweight 7 is arranged on the rear end side of the chassis of the base frame 1. The counterweight is positioned by a positioning vertical rod 8 arranged on the chassis of the base frame. The weight of the counterweight is greater than the weight carried by the operating table 3. Lifting legs 9 are respectively arranged beside the walking wheels 2 at the four corners of the lower end surface of the chassis of the base frame 1. The lifting legs 9 are used to position and support the base frame 1 during work.

[0026] In order to ensure the flexible movement of the base frame, at least two of the walking wheels 2 arranged at the four corners, which are arranged at one end side of the base frame chassis (the rear side of the base frame), are universal wheels with brakes.

[0027] In order to ensure the stability of the base frame during operation, Figure 2 As shown: the four corners of the lower end surface of the base frame chassis are respectively extended outward to provide a support platform 10, and the lifting legs 9 are fixed on the support platform 10.

[0028] like Figure 5-Figure 8 As shown: the lifting leg 9 includes a supporting leg 901 and a lifting leg 902, the lifting leg 902 is sleeved on the supporting leg 901, and in order to adapt to the uneven ground, the bottom end of the supporting leg 901 is connected to a boat-shaped foot 903 through a rotating shaft, a vertical rack slot 901-1 with a rack is provided on the supporting leg, and a gear shaft 902-1 with teeth is provided on the lifting leg, and the teeth of the gear shaft are meshed with the rack of the vertical rack slot; after the supporting leg is vertically erected, the rotating interface of the gear shaft 902-1 extends out of the lifting leg 902, and the rotating gear shaft 902-1 drives the lifting leg 902 to move up and down along the vertical rack slot 901-1 of the supporting leg.

[0029] Wherein: the lifting leg 9 is fixed on the supporting platform 10 of the base frame 1 through a positioning and rotating bracket 11; in the working state, the supporting leg of the lifting leg is rotated and placed vertically downward through the positioning and rotating bracket; in the non-working state, the supporting leg of the lifting leg is rotated and placed horizontally or obliquely upward through the positioning and rotating bracket.

[0030] The positioning and rotating bracket 11 includes a U-shaped bracket 1101, which is fixed to the base frame 1 by bolts 12. A supporting shaft 13 is provided on the closed end side of the U-shaped bracket 1101. The lifting leg 9 is rotatably connected to the U-shaped bracket 1101 through the supporting shaft 13. A rotating adjustment disk 1101-1 is provided on one side wall of the U-shaped bracket. The rotating adjustment disk 1101-1 has a plurality of positioning holes 1101-2 arranged in an arc shape. A positioning through hole 902-2 is provided on the lifting leg 902, and the position of the positioning through hole 902-2 corresponds to the positioning hole 1101-2. When the lifting leg 9 is rotated until the support leg 901 rotates to a vertical downward, horizontal or oblique upward position, a positioning rod 14 is inserted into the positioning through hole 902-2 and the positioning hole 1101-2 to position and fix the lifting leg 9.

[0031] In the embodiment: the operating table 3 is a foldable operating table, including a bottom platform 301, the bottom platform 301 is placed on the front ends of the two cantilever beams 101 and is connected and fixed to the two cantilever beams 101, and guardrails 302, 303, and 304 are respectively connected to the left and right sides and the front end of the bottom platform 301 through hinges, and a double-opening guardrail door 305 is arranged at the rear end of the bottom platform, and the double-opening guardrail door 305 is hinged to the guardrails 302 and 303 on both sides through hinges. When working: the guardrails on both sides and the front end are vertically erected through the hinges, and the guardrails on both sides are connected and fixed to the upper end of the front guardrail through the lock buckle 306 (latch); when not working, the lock buckle is disengaged, such as Figure 3 As shown, the guardrails on both sides and the guardrail door are folded in half by hinges and laid flat on the bottom platform, and the front guardrail is laid flat on the guardrails on both sides and the guardrail door.

[0032] Wherein: the left and right side guardrails, the front guardrail and the opposing guardrail doors are at least 1.2m high, and a protective plate 307 with a height of at least 0.3m is arranged on the lower end side of the left and right side guardrails, the front guardrail and the opposing guardrail doors.

[0033] The above movable operating platform embodiment has a flexible structure and can be fixed whenever needed, providing a reliable working platform for cantilever structure decoration and renovation construction. The construction is convenient and quick without repeated disassembly and assembly. The foldable guardrails reduce the space size and are suitable for a variety of working conditions.

Claims

1. A movable operating platform for decoration of cantilevered structural parts, comprising a base frame welded by columns and horizontal and longitudinal beams, and walking wheels are arranged at the four corners of the lower end surface of the chassis of the base frame, characterized in that: Cantilever beams are horizontally arranged outward on both sides of the upper end surface of the base frame, and an operating table is fixedly arranged at the front end side of the two cantilever beams. The operating table is used for personnel to decorate the cantilevered structural parts of the building. Oblique support rods are arranged between the front ends of the two cantilever beams and the two sides of the base frame. A walking ladder for personnel to go up and down is arranged along the oblique support rods between the front end of the base frame chassis and the operating table. The ladder cross tie rods of the walking ladder are welded and fixed to the oblique support rods. A counterweight is arranged on the rear end side of the base frame chassis, and the counterweight is positioned by a positioning vertical rod arranged on the base frame chassis. The weight of the counterweight is greater than the weight borne by the operating table. Lifting legs are respectively arranged next to the walking wheels at the four corners of the lower end surface of the base frame chassis. The lifting legs are used to position and support the base frame during work.

2. The movable operating platform according to claim 1, characterized in that: At least two of the running wheels arranged at one end of the base frame chassis among the running wheels arranged at the four corners are universal wheels with brakes.

3. The movable operating platform according to claim 1, characterized in that: The four corners of the lower end surface of the base frame chassis are respectively extended outward to be provided with support platforms, and the lifting legs are fixed on the support platforms.

4. The movable operating platform according to claim 1 or 3, characterized in that: The lifting leg comprises a supporting leg and a lifting leg, the lifting leg is sleeved over the supporting leg, a vertical rack slot with a rack is arranged on the supporting leg, a gear shaft with teeth is arranged on the lifting leg, the teeth of the gear shaft are meshed with the rack of the vertical rack slot; after the supporting leg is vertically erected, the gear shaft is rotated to drive the lifting leg to move up and down along the vertical rack slot of the supporting leg.

5. The movable operating platform according to claim 4, characterized in that: The lifting leg is fixed on the base frame through a positioning and rotating bracket; in the working state, the supporting leg of the lifting leg is rotated and placed vertically downward through the positioning and rotating bracket; in the non-working state, the supporting leg of the lifting leg is rotated and placed horizontally or obliquely upward through the positioning and rotating bracket.

6. The movable operating platform according to claim 5, characterized in that: The positioning rotating bracket includes a U-shaped bracket, which is connected and fixed to the base frame. A supporting shaft is provided on the closed end side of the U-shaped bracket. The lifting leg is rotatably connected to the U-shaped bracket through the supporting shaft. A rotating adjustment disk is provided on one side wall of the U-shaped bracket. The rotating adjustment disk has a plurality of positioning holes arranged in an arc shape. A positioning through hole is provided on the lifting leg. The position of the positioning through hole corresponds to the positioning hole. When the lifting leg is rotated to the position where the supporting leg is vertically downward, horizontally or obliquely upward, a positioning rod is inserted into the positioning through hole and the positioning hole to position and fix the lifting leg.

7. The movable operating platform according to claim 5 or 6, characterized in that: The bottom end of the supporting leg is connected to a boat-shaped foot via a rotating shaft.

8. The movable operating platform according to claim 1, characterized in that: The operating table is a foldable operating table, including a bottom platform, which is placed on the front ends of two cantilever beams and connected and fixed to the two cantilever beams. Guardrails are connected to the left and right sides and the front end of the bottom platform through hinges, and a double-opening guardrail door is arranged at the rear end of the bottom platform. The double-opening guardrail door is hinged to the guardrails on both sides through hinges. When working: the guardrails on both sides and the front end are vertically erected through the hinges, and the guardrails on both sides are connected and fixed to the upper ends of the front guardrail through locks; when not working: the lock is disengaged, and the guardrails on both sides and the guardrail door are folded in half and laid flat on the bottom platform through the hinges, and the front guardrail is laid flat on the guardrails on both sides and the guardrail door.

9. The movable operating platform according to claim 8, characterized in that: The left and right side guardrails, the front guardrail and the opposing guardrail doors are at least 1.2m high, and protective plates at least 0.3m high are provided on the lower ends of the left and right side guardrails, the front guardrail and the opposing guardrail doors.

10. The movable operating platform according to claim 1, characterized in that: The base frame and cantilever beam are welded from 40mm x 80mm x 4mm galvanized steel pipes.

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