Discharging method of electric telescopic overhanging discharging platform

Abstract

The invention provides a discharging method of an electric telescopic overhanging discharging platform, and belongs to the technical field of building construction, the electric telescopic overhanging discharging platform comprises a rotary opening and closing protective door, an overhanging frame guide rail, a discharging platform, an electric control mechanism and rollers; the cantilever frame guide rails are located on the inner side and the outer side of the rotary opening and closing protective door. The unloading platform is arranged on the cantilever frame guide rail, and pulleys are arranged at the bottom of the unloading platform; the electric control mechanism comprises a motor, a gear and a rack, the motor is fixed to the cantilever frame guide rail, the output end of the motor is connected with the gear, the rack is arranged on the side edge of the discharging platform, and the gear and the rack are in meshing transmission. The rolling wheels are arranged on the two sides of the discharging platform, and the rolling wheels are opposite to the rotary opening and closing protective door in position. According to the device, the discharging platform is controlled by the electric control mechanism to automatically move and is matched with the rotary opening and closing protective door for use, so that the construction safety is ensured, and the risk of accidental object falling or personnel falling is avoided.

Description

Technical Field

[0001] The invention belongs to the technical field of building construction, and in particular relates to a material unloading method of an electric telescopic cantilevered unloading platform. Background Art

[0002] In the patent application with application number 202011156696.9, a cantilevered unloading platform with adjustable center of gravity is proposed. The stable center of gravity of the unloading workbench is adjusted through the support seat, and the center of gravity can be adaptively adjusted according to different loads, thereby improving the force stability of the unloading workbench and having good practicality.

[0003] However, in the prior art, manual intervention is required to adjust the position of the unloading platform, and there is a risk of accidental falling objects or people falling during construction, and the safety needs to be improved. Summary of the invention

[0004] Based on the above technical problems, the present invention provides a unloading method for an electric retractable cantilevered unloading platform. The device controls the automatic movement of the unloading platform through an electric control mechanism and is used in conjunction with a rotating opening and closing protective door to ensure construction safety and avoid the risk of accidental falling objects or people falling.

[0005] The specific technical solution is: A method for unloading an electrically-operated retractable cantilever unloading platform, comprising: a rotating opening and closing protective door, a cantilever frame guide rail, a unloading platform, an electric control mechanism and rollers; the cantilever frame guide rails are located on the inner and outer sides of the rotating opening and closing protective door; the unloading platform is arranged on the cantilever frame guide rails, and a pulley is arranged at the bottom of the unloading platform; the electric control mechanism comprises a motor, a gear and a rack, the motor is fixed on the cantilever frame guide rails, the output end of the motor is connected to the gear, the rack is arranged on the side of the unloading platform, and the gear and the rack are meshed for transmission; the rollers are arranged on both sides of the unloading platform, and the rollers are opposite to the positions of the rotating opening and closing protective door; wherein, The unloading method is to control the unloading platform to move along the cantilever frame guide rail towards the room through the electric control mechanism. During the movement towards the room, the roller pushes the rotating opening and closing protective door inward to allow the unloading platform to enter the room. The staff in the room loads the materials into the unloading platform. After filling, the unloading platform is controlled to withdraw to the outside so that the materials in the unloading platform can be lifted by the outdoor workers. When the operation is completed, the unloading platform is controlled to move until the unloading platform completely slides into the room, and the rotating opening and closing protective door is automatically closed, thereby ensuring construction safety and avoiding the risk of accidental falling objects or people falling.

[0006] In addition, the unloading method of the electric retractable cantilever unloading platform in the above technical solution provided by the present invention may also have the following additional technical features: The above technical solution also includes: a slide groove; the slide groove is arranged on the cantilever frame guide rail, and the pulley is embedded in the slide groove.

[0007] In the above technical solution, it also includes: an anti-derail block; the anti-derail block is arranged at one end of the cantilever frame guide rail, and the anti-derail block is located on the inner side of the rotating opening and closing protective door.

[0008] In the above technical solution, the rotating opening and closing protective door includes: two fixed supports, two fixed columns and two rotating doors; the two fixed supports are respectively arranged on both sides of the cantilever beam guide rail; the two fixed columns are respectively arranged on the two fixed supports; the two ends of the rotating door are respectively hinged to the two fixed columns, and a torsion spring is provided at the rotating shaft of the rotating door.

[0009] In the above technical solution, the cantilever frame track and the fixed support are both fixed on the main structure of the building.

[0010] The above technical solution also includes: a lifting ring and a steel wire rope; the lifting ring is arranged on both sides of the cantilever frame track; and the two ends of the steel wire rope are respectively connected to the lifting ring and the main structure of the building.

[0011] In the above technical solution, a guardrail is provided on the unloading platform.

[0012] Compared with the prior art, the unloading method of the electric telescopic cantilever unloading platform of the present invention has the following beneficial effects: 1. The unloading platform is controlled by the electric control mechanism to move along the cantilever frame guide rail towards the room. During the movement towards the room, the roller pushes inward to open the rotating opening and closing protective door so that the unloading platform can enter the room. When the staff in the room loads the materials into the unloading platform, after the filling is completed, the unloading platform is controlled to withdraw to the outside so that the outdoor operation can lift the materials in the unloading platform.

[0013] 2. When the operation is completed, control the movement of the unloading platform until the unloading platform slides completely into the room, and then the rotating opening and closing protective door automatically closes, thereby ensuring construction safety and avoiding the risk of accidental falling objects or people falling.

[0014] 3. The movement of the unloading platform is controlled by an electric mechanism, thereby reducing the number of turnovers caused by unloading and handling, thereby effectively improving construction efficiency.

[0015] 4. The unloading platform is controlled by an electric control mechanism to slide in and out along the cantilever frame guide rail to unload, thereby avoiding uneven force on the unloading platform due to long-term suspension and causing damage. When the unloading platform is not in use, it can be retracted into the room to reduce the force.

[0016] 5. By setting the roller, it can assist the unloading platform to push open the rotating opening and closing protective door, and reduce the wear between the unloading platform and the rotating opening and closing protective door. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1It is a front view of a method for unloading a material using an electrically-operated retractable cantilever unloading platform according to the present invention; Figure 2 It is a structural schematic diagram of the unloading platform and the revolving door of the present invention; Figure 3 It is a structural schematic diagram of the motor and gear of the present invention; Figure 4 It is a schematic structural diagram of the cantilever frame guide rail of the present invention; Figure 5 It is a schematic diagram of the structure of the rack of the present invention; Figure 6 It is a structural schematic diagram of the unloading platform of the present invention; in, Figures 1 to 6 The corresponding relationship between the reference numerals and component names in the figure is: 10 cantilever frame guide rail, 11 motor, 12 gear, 13 rack, 14 roller, 15 slide, 16 anti-derailment block, 17 fixed support, 18 fixed column, 19 revolving door, 20 lifting ring, 21 wire rope, 22 guardrail, 23 main building structure, 24 pulley, 25 unloading platform. DETAILED DESCRIPTION

[0018] The following is a combination of specific implementation cases and attached Figure 1-6 The present invention is further described below, but the present invention is not limited to these embodiments.

[0019] A method for unloading materials using an electrically-operated retractable cantilever unloading platform, such as Figure 1-6 As shown, it includes: a rotating opening and closing protective door, a cantilever frame guide rail 10, a discharge platform 25, an electric control mechanism and a roller 14; the cantilever frame guide rail 10 is located on the inner and outer sides of the rotating opening and closing protective door; the discharge platform 25 is arranged on the cantilever frame guide rail 10, and a pulley 24 is arranged at the bottom of the discharge platform 25; the electric control mechanism includes a motor 11, a gear 12 and a rack 13, the motor 11 is fixed on the cantilever frame guide rail 10, the output end of the motor 11 is connected to the gear 12, the rack 13 is arranged on the side of the discharge platform 25, and the gear 12 is meshed with the rack 13 to transmit The rollers 14 are arranged on both sides of the unloading platform 25, and the rollers 14 are opposite to the positions of the rotary opening and closing protective door; wherein, the unloading method is to control the unloading platform 25 to move indoors along the cantilever frame guide rail 10 through the electric control mechanism, and in the process of moving indoors, the rollers 14 push the rotary opening and closing protective door inwards to allow the unloading platform 25 to enter the room, and when the indoor staff loads the materials into the unloading platform 25, after the filling is completed, the unloading platform 25 is controlled to withdraw to the outdoors, so that the outdoor operation can lift the materials in the unloading platform 25. And when the operation is completed, the unloading platform 25 is controlled to move until the unloading platform 25 completely slides into the room, and the rotary opening and closing protective door is automatically closed, thereby ensuring the construction safety and avoiding the risk of accidental falling objects or people falling.

[0020] Specifically, the movement of the unloading platform 25 is controlled by an electric mechanism, thereby reducing the number of turnovers caused by unloading and transportation, thereby effectively improving construction efficiency.

[0021] Specifically, the unloading platform 25 is controlled by an electric control mechanism to slide in and out along the cantilever frame guide rail 10 to unload, thereby preventing the unloading platform 25 from being damaged due to uneven force caused by being suspended in the air for a long time, and when the unloading platform 25 is not in use, it is retracted into the room to reduce the force.

[0022] Specifically, the cantilever frame track is twice the length of the unloading platform 25, and the whole is made of high-strength welding.

[0023] Specifically, the rotating opening and closing protective door has a certain resilience and can automatically rebound to a closed state when no force is applied.

[0024] Specifically, the pulley 24 has a diameter greater than 200 mm and a load-bearing capacity of no less than 450 kg. In the embodiment of the present invention, the transition between the unloading platform and the main structure of the building is smooth and there is no height difference, which is convenient for construction workers to construct and makes the transportation of materials more convenient.

[0025] In an embodiment of the present invention, Figure 4 As shown, it also includes: a slide groove 15; the slide groove 15 is arranged on the cantilever frame guide rail 10, and the pulley 24 is embedded in the slide groove 15.

[0026] The slide groove 15 cooperates with the pulley 24 to guide the movement of the unloading platform 25 .

[0027] Specifically, the cantilever frame guide rail 10 is a high-strength square steel with a hollow lower portion, and a square hollow semicircular slide groove 15 with a square upper portion, and the cantilever frame guide rail 10 is an integrally formed structure.

[0028] In an embodiment of the present invention, Figure 1 As shown, it also includes: an anti-derail block 16; the anti-derail block 16 is arranged at one end of the cantilever frame guide rail 10, and the anti-derail block 16 is located on the inner side of the rotating opening and closing protective door.

[0029] The unloading platform 25 is limited by the anti-derailment block 16 to prevent the unloading platform 25 from accidentally detaching from the cantilever frame guide rail 10 during the process of controlling the movement of the unloading platform 25 .

[0030] In an embodiment of the present invention, Figure 1-6As shown, the rotating opening and closing protective door includes: two fixed supports 17, two fixed columns 18 and two rotating doors 19; the two fixed supports 17 are respectively arranged on both sides of the cantilever beam guide rail; the two fixed columns 18 are respectively arranged on the two fixed supports 17; the two ends of the rotating door 19 are respectively hinged to the two fixed columns 18, and a torsion spring is provided at the rotating shaft of the rotating door 19.

[0031] The revolving door 19 is supported by the fixed column 18, and when the roller 14 applies force to the two revolving doors 19 at the same time, the two revolving doors 19 are pushed open at the same time to allow the unloading platform 25 to pass through. When the unloading platform 25 has completely passed through, the revolving door 19 is reset under the action of the torsion spring, thereby realizing the automatic closing of the revolving door 19 and improving the safety of construction.

[0032] In the embodiment of the present invention, the cantilever frame rail and the fixed support 17 are both fixed on the main building structure 23 .

[0033] In an embodiment of the present invention, Figure 1 As shown, it also includes: a lifting ring 20 and a steel wire rope 21; the lifting ring 20 is arranged on both sides of the cantilever frame track; the two ends of the steel wire rope 21 are respectively connected to the lifting ring 20 and the main building structure 23.

[0034] By using the lifting ring 20 and the steel wire rope 21 in combination, auxiliary support is provided to the cantilever frame track, thereby improving the stability of the cantilever frame track.

[0035] Specifically, the steel wire rope 21 is a double-strand steel wire rope with a diameter greater than 14 mm.

[0036] In the embodiment of the present invention, a guardrail 22 is provided on the unloading platform 25 .

[0037] The protection fence 22 is provided to prevent the materials on the unloading platform 25 from falling.

[0038] Implementation process: the unloading platform 25 is located outdoors, and the outdoor operation lifts the materials in the unloading platform 25, and the revolving door 19 is in a closed state at this time; when the unloading is completed, the operator controls the motor 11 to operate, and the rack 13 drives the unloading platform 25 to move indoors under the meshing transmission of the gear 12, and uses the roller 14 to push open the revolving door 19, so that the unloading platform 25 enters the room, so that the indoor staff can load the materials; after the loading is completed, the motor 11 reverses, controls the unloading platform 25 to withdraw, and unloads the materials at the unloading platform 25 again; when the operation is completed, the unloading platform 25 is controlled to enter the room again, and when the unloading platform 25 completely enters the room, the revolving door automatically closes, thereby ensuring construction safety and avoiding the risk of accidental falling objects or people falling.

[0039] In the description of the present invention, the term "plurality" refers to two or more than two. Unless otherwise clearly defined, the orientation or positional relationship indicated by the terms "upper" and "lower" is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention. The terms "connection", "installation", "fixation", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0040] In the description of the present invention, the description of the terms "one embodiment", "some embodiments", "specific embodiments", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In the present invention, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0041] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A method for unloading a material using an electrically-operated retractable cantilever unloading platform, characterized in that: include: Rotating opening and closing protective door; A cantilever frame guide rail, wherein the cantilever frame guide rail is located on the inner side and the outer side of the rotating opening and closing protective door; A material unloading platform, the material unloading platform is arranged on the cantilever frame guide rail, and a pulley is arranged at the bottom of the material unloading platform; An electric control mechanism, the electric control mechanism comprising a motor, a gear and a rack, the motor being fixed on the cantilever frame guide rail, the output end of the motor being connected to the gear, the rack being arranged on the side of the unloading platform, and the gear being meshed with the rack for transmission; Rollers, the rollers are arranged on both sides of the unloading platform, and the rollers are opposite to the positions of the rotating opening and closing protective doors; Among them, the unloading method is to control the unloading platform to move along the cantilever frame guide rail towards the indoor through the electric control mechanism. In the process of moving towards the indoor, the roller pushes the rotating opening and closing protective door inward to allow the unloading platform to enter the indoor. The staff in the room loads the materials into the unloading platform. After filling, the unloading platform is controlled to withdraw to the outdoors so that the outdoor operations can lift the materials in the unloading platform. And when the operation is completed, the unloading platform is controlled to move until the unloading platform completely slides into the indoor, and the rotating opening and closing protective door is automatically closed, thereby ensuring construction safety and avoiding the risk of accidental falling objects or people falling.

2. The unloading method of the electrically-operated retractable cantilever unloading platform according to claim 1 is characterized in that: Also includes: A slide groove is arranged on the cantilever frame guide rail, and the pulley is embedded in the slide groove.

3. The unloading method of the electrically-operated retractable cantilever unloading platform according to claim 2 is characterized in that: Also includes: An anti-derail block is arranged at one end of the cantilever frame guide rail, and the anti-derail block is located at the inner side of the rotating opening and closing protective door.

4. The unloading method of the electrically-operated retractable cantilever unloading platform according to claim 3 is characterized in that: The rotating opening and closing protective door comprises: Two fixed supports, which are respectively arranged on both sides of the cantilever beam guide rail; Two fixing columns, the two fixing columns are respectively arranged on the two fixing supports; Two revolving doors, both ends of which are respectively hinged to the two fixing columns, and a torsion spring is arranged at the rotating shaft of the revolving door.

5. The unloading method of the electrically-operated retractable cantilever unloading platform according to claim 4 is characterized in that: The cantilever frame track and the fixed support are both fixed on the main structure of the building.

6. The unloading method of the electrically-operated retractable cantilever unloading platform according to claim 5, characterized in that: Also includes: Lifting rings, which are arranged on both sides of the cantilever frame track; A steel wire rope, wherein both ends of the steel wire rope are respectively connected to the lifting ring and the main structure of the building.

7. The unloading method of the electrically-operated retractable cantilever unloading platform according to claim 1, characterized in that: A guardrail is arranged on the unloading platform.

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