Aerial work platform with a safety locking mechanism

Abstract

The utility model relates to the technical field of construction equipment, and in particular to an aerial work platform with a safety locking mechanism, which enables the entire device to have mobility through a supporting device, and at the same time supports the ability to work without an external power supply, can stably adjust its own height through a lifting device, and provides protection for the lifting process of the device through a locking device, thereby increasing the safety of the equipment and the practicality of the device; the utility model comprises a supporting device, a lifting device and a locking device, the lifting device is installed on the supporting device, and the locking device is installed on the lifting device.

Description

Technical Field

[0001] The utility model relates to the technical field of construction equipment, in particular to an aerial work platform with a safety locking mechanism. Background Art

[0002] Aerial work platform is a professional aerial work equipment, which is used to lift workers, tools, materials, etc. to a certain position through the platform for various construction, installation, maintenance and other operations. It can replace traditional working methods such as hanging baskets and scaffolding, greatly improving the safety and efficiency of aerial work.

[0003] The Chinese utility model patent with application number CN201520417687.9 in the prior art involves a lifting work platform, including a drive device, a driving shaft, a rocker arm, a reduction box, a guardrail and a ladder, etc., which can adjust the height of the work platform.

[0004] However, the above device does not have a device for locking the height of the lifting device during the platform lifting process in actual use, and is not safe enough. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides an aerial work platform with a safety locking mechanism, which enables the whole device to have the ability to move through a supporting device, and at the same time supports the ability to work without an external power supply. It can stably adjust its own height through a lifting device, and provides protection for the lifting process of the equipment through a locking device, thereby increasing the safety of the equipment and the practicality of the device.

[0006] The utility model discloses an aerial work platform with a safety locking mechanism, comprising a supporting device, a lifting device and a locking device, wherein the lifting device is installed on the supporting device, and the locking device is installed on the lifting device; the supporting device enables the whole device to have mobility, and at the same time supports the ability to work without an external power supply; the lifting device can stably adjust its own height; the locking device provides protection for the lifting process of the device, thereby increasing the safety of the device and the practicality of the device.

[0007] Preferably, the supporting device includes a supporting platform, wheels and a battery, a plurality of sets of wheels are installed on the lower part of the supporting platform, and a battery is installed on the lower end surface of the supporting platform; the supporting platform provides support for the entire device, the plurality of sets of wheels enable the device to be mobile, and the battery provides temporary power for the device, so that the device has the ability to operate without an external power supply, thereby improving the practicality of the device.

[0008] Preferably, the lifting device includes a lower protective baffle, a folding frame, a connecting rod, an electric cylinder and a pushing block. The lower protective baffle is fixed to the upper end surface of the supporting platform by a bracket, the lower front end of the folding frame is fixed to the supporting platform by a rotating shaft, and a connecting rod is installed on the lower rear end of the folding frame, and the connecting rod is located between the lower protective baffle and the supporting platform. A pushing block is installed on the middle part of the connecting rod, and an electric cylinder is installed at the rear of the upper end surface of the supporting platform, and the moving end of the electric cylinder is connected to the pushing block; the electric cylinder is controlled to extend and retract to transmit power to the lower rear end of the folding frame through the connecting rod, thereby driving the folding frame itself to deform and change the height of the top end of the folding frame, and reducing the influence of dirt in the external environment on the locking device through the lower protective baffle, thereby improving the practicability of the device.

[0009] Preferably, the locking device includes a locking groove, a metal block, a bevel gear block, a spring and an electromagnet. A locking groove is provided on the upper end surface of the supporting platform, the metal block is located in the locking groove, the lower end surface of the metal block is connected to the bottom end surface of the locking groove through multiple sets of springs, multiple sets of electromagnets are installed on the bottom end surface of the locking groove, multiple sets of bevel teeth are arranged on the upper end surface of the metal block, and a bevel gear block is arranged on the lower end surface of the pushing block, which is inserted into the bevel teeth on the metal block in the working state; the bevel teeth on the metal block and the bevel gear block are used to limit the rising process of the folding frame to prevent sudden sinking during the rising process, and provide safe locking for the shape stability of the folding frame during operation, thereby improving the stability of the equipment; when the electric cylinder contracts, multiple sets of electromagnets are turned on to attract the metal block downward so that the bevel teeth on the metal block are separated from the bevel gear block, thereby improving the practicality of the device.

[0010] Preferably, it includes a working platform, load-bearing wheels, a walking limit groove and a limit stop block, an upper partition is installed on the lower end surface of the working platform through a bracket, the front part of the upper end surface of the folding frame is fixed to the lower end surface of the working platform through a rotating shaft, and two groups of load-bearing wheels are symmetrically installed on the rear part of the upper end surface of the folding frame through a connecting rod, a group of walking limit grooves are respectively arranged at the front and back of the lower end surface of the working platform, the two groups of load-bearing wheels are respectively located in the two groups of walking limit grooves, and a group of limit stops are respectively installed at the front and back of the right part of the lower end surface of the working platform, and the limit stop is located at the limit displacement position of the non-fixed end of the upper part of the folding frame; the limit position of the non-fixed end of the upper part of the folding frame is limited by the limit stop block, so that the equipment cannot be further raised after being lifted to the maximum height, thereby improving the safety of the equipment, reducing the vibration amplitude of the working platform during the lifting process by the load-bearing wheels, and limiting the walking area of ​​the load-bearing wheels by the walking limit groove, thereby improving the safety of the equipment.

[0011] Preferably, it also includes a pressure switch. Two groups of pressure switches are installed on the front face of the lower end of the working platform. The two groups of pressure switches are respectively located at the leftmost side of the two groups of walking limit slots. When the electric cylinder contracts to control the working platform to descend until the upper moving end of the folding frame contacts the pressure switch, the pressure switch controls the electric cylinder to stop contracting, thereby improving the degree of automation of the device, preventing equipment damage caused by operating errors, and improving the practicality of the device.

[0012] Compared with the prior art, the utility model has the following beneficial effects: the supporting device enables the whole device to be mobile, while supporting the ability to work without an external power supply; the lifting device can smoothly adjust its own height; the locking device provides protection for the lifting process of the device, thereby increasing the safety of the device and the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the axonometric structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the first cross-sectional structure of the utility model;

[0015] Figure 3 It is a second cross-sectional structural schematic diagram of the utility model;

[0016] Figure 4 It is a third cross-sectional structural schematic diagram of the utility model;

[0017] Figure 5 It is a partial enlarged structural schematic diagram of the utility model;

[0018] Markings in the attached figure: 1. Support platform; 2. Wheels; 3. Battery; 4. Lower protective partition; 5. Folding frame; 6. Connecting rod; 7. Electric cylinder; 8. Push block; 9. Locking groove; 10. Metal block; 11. Bevel gear block; 12. Spring; 13. Electromagnet; 14. Working platform; 15. Load-bearing wheel; 16. Travel limit groove; 17. Limit block; 18. Pressure switch. DETAILED DESCRIPTION

[0019] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0020] Example

[0021] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5The lifting device is installed on the supporting device, and the locking device is installed on the supporting device and connected to the lifting device;

[0022] First, the support platform 1 is controlled to move to the working area, and then the electric cylinder 7 is controlled to extend to transmit power to the lower rear end of the folding frame 5 through the connecting rod 6, so as to drive the folding frame 5 to deform itself and change the height of the working platform 14. After the work is completed, the multiple sets of electromagnets 13 are turned on to provide magnetic force to move the metal block 10 downward so that the helical tooth block 11 is separated from the helical teeth on the metal block 10, and then the electric cylinder 7 is controlled to retract until the upper moving end of the folding frame 5 contacts the pressure switch 18;

[0023] The supporting device comprises a supporting platform 1, wheels 2 and a battery 3. A plurality of sets of wheels 2 are installed at the lower part of the supporting platform 1, and a battery 3 is installed on the lower end surface of the supporting platform 1.

[0024] The lifting device includes a lower protective baffle 4, a folding frame 5, a connecting rod 6, an electric cylinder 7 and a pushing block 8. The lower protective baffle 4 is fixed to the upper end surface of the supporting platform 1 through a bracket, the lower front end of the folding frame 5 is fixed to the supporting platform 1 through a rotating shaft, and the lower rear end of the folding frame 5 is installed with a connecting rod 6, the connecting rod 6 is located between the lower protective baffle 4 and the supporting platform 1, and the pushing block 8 is installed on the middle part of the connecting rod 6. The electric cylinder 7 is installed at the rear of the upper end surface of the supporting platform 1, and the moving end of the electric cylinder 7 is connected to the pushing block 8;

[0025] The locking device includes a locking groove 9, a metal block 10, a helical tooth block 11, a spring 12 and an electromagnet 13. The upper end surface of the support platform 1 is provided with a locking groove 9, the metal block 10 is located in the locking groove 9, the lower end surface of the metal block 10 is connected to the inner bottom end surface of the locking groove 9 through multiple groups of springs 12, multiple groups of electromagnets 13 are installed on the inner bottom end surface of the locking groove 9, multiple groups of helical teeth are arranged on the upper end surface of the metal block 10, and the lower end surface of the push block 8 is provided with a helical tooth block 11, which is inserted into the helical teeth on the metal block 10 in the working state;

[0026] It includes a working platform 14, load-bearing wheels 15, travel limit grooves 16 and limit blocks 17. An upper partition is installed on the lower end surface of the working platform 14 through a bracket. The front of the upper end surface of the folding frame 5 is fixed to the lower end surface of the working platform 14 through a rotating shaft. Two groups of load-bearing wheels 15 are symmetrically installed on the rear of the upper end surface of the folding frame 5 through a connecting rod. A group of travel limit grooves 16 are respectively arranged on the front and rear of the lower end surface of the working platform 14. The two groups of load-bearing wheels 15 are respectively located in the two groups of travel limit grooves 16. A group of limit blocks 17 are respectively installed on the front and rear of the right part of the lower end surface of the working platform 14. The limit blocks 17 are located at the limit displacement position of the upper non-fixed end of the folding frame 5.

[0027] It also includes a pressure switch 18. Two sets of pressure switches 18 are installed on the front of the lower end of the working platform 14. The two sets of pressure switches 18 are respectively located at the leftmost of the two sets of travel limit grooves 16;

[0028] The supporting device enables the whole device to be mobile and supports the ability to work without an external power supply. The lifting device can smoothly adjust its own height, and the locking device provides protection for the lifting process of the equipment, which increases the safety of the equipment and the practicality of the device.

[0029] The electric cylinder 7, the electromagnet 13, the pressure switch 18 and the folding frame 5 of the aerial work platform with a safety locking mechanism of the utility model are purchased on the market, and the technicians in this industry only need to install and operate them according to the accompanying instruction manual, without the need for the technicians in this field to make creative labor.

[0030] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. An aerial work platform with a safety locking mechanism; characterized in that: The invention comprises a supporting device, a lifting device and a locking device, wherein the lifting device is mounted on the supporting device, and the locking device is mounted on the lifting device; the supporting device comprises a supporting platform (1), wheels (2) and a storage battery (3), wherein a plurality of sets of wheels (2) are mounted on the lower part of the supporting platform (1), and a storage battery (3) is mounted on the lower end surface of the supporting platform (1); the lifting device comprises a lower protective baffle (4), a folding frame (5), a connecting rod (6), an electric cylinder (7) and a pushing block (8), wherein the lower protective baffle (4) is fixed on the upper end surface of the supporting platform (1) through a bracket, the lower front end of the folding frame (5) is fixed on the supporting platform (1) through a rotating shaft, the lower rear end of the folding frame (5) is mounted with a connecting rod (6), the connecting rod (6) is located between the lower protective baffle (4) and the supporting platform (1), and the middle part of the connecting rod (6) is mounted with a connecting rod (7). A pushing block (8) is installed, an electric cylinder (7) is installed at the rear of the upper end surface of the supporting platform (1), and the moving end of the electric cylinder (7) is connected to the pushing block (8); the locking device comprises a locking groove (9), a metal block (10), a helical tooth block (11), a spring (12) and an electromagnet (13); a locking groove (9) is opened on the upper end surface of the supporting platform (1), the metal block (10) is located in the locking groove (9), the lower end surface of the metal block (10) is connected to the inner bottom end surface of the locking groove (9) through multiple groups of springs (12), multiple groups of electromagnets (13) are installed on the inner bottom end surface of the locking groove (9), multiple groups of helical teeth are arranged on the upper end surface of the metal block (10), and a helical tooth block (11) is arranged on the lower end surface of the pushing block (8), and the helical tooth block (11) is inserted into the helical teeth on the metal block (10) in the working state.

2. An aerial work platform with a safety locking mechanism as claimed in claim 1, characterized in that: The folding frame (5) comprises a working platform (14), a load-bearing wheel (15), a travel limit groove (16) and a limit stopper (17); an upper partition is installed on the lower end surface of the working platform (14) through a bracket; the front of the upper end surface of the folding frame (5) is fixed to the lower end surface of the working platform (14) through a rotating shaft; two groups of load-bearing wheels (15) are symmetrically installed on the rear of the upper end surface of the folding frame (5) through a connecting rod; a group of travel limit grooves (16) are respectively arranged at the front and rear of the lower end surface of the working platform (14); the two groups of load-bearing wheels (15) are respectively located in the two groups of travel limit grooves (16); a group of limit stoppers (17) are respectively installed at the front and rear of the right part of the lower end surface of the working platform (14); the limit stoppers (17) are located at the extreme displacement position of the upper non-fixed end of the folding frame (5).

3. An aerial work platform with a safety locking mechanism as claimed in claim 2, characterized in that: It also includes a pressure switch (18). Two groups of pressure switches (18) are installed on the front of the lower end surface of the working platform (14). The two groups of pressure switches (18) are respectively located at the leftmost sides of the two groups of travel limit grooves (16).

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