Intelligent novel shear fork truck

Abstract

The utility model discloses an intelligent novel shear fork truck which comprises a chassis, wheels, a power switch, a motor, a hydraulic oil tank, a hydraulic pump, a first hydraulic cylinder, a second hydraulic cylinder, a shear fork mechanism, a working platform and a guardrail, and a protective air bag rod is arranged on the guardrail of the working platform. The protective airbag rods are inflated to form a flexible protective barrier, workers on the platform are effectively protected, and when the workers topple over and extrude the airbag shell, an internal contact switch can be triggered, so that a hydraulic pump is controlled to control a shear fork mechanism to enable the working platform to descend to the ground, and accidental falling or collision injury is avoided; and the airbag system can also respond quickly in emergency, so that immediate protection is provided, and the overall safety performance of the equipment is remarkably improved.

Description

Technical Field

[0001] The utility model belongs to the technical field related to scissor lift trucks, and specifically relates to a new intelligent scissor lift truck. Background Art

[0002] As a kind of lifting equipment widely used in industry, construction and logistics, scissor lift trucks mainly lift and transport goods and personnel. However, there are some safety hazards in the use of traditional scissor lift trucks, especially when working at high altitudes, the safety of the platform guardrail is crucial.

[0003] Scissor lifts on the market today are usually equipped with basic mechanical limit devices to prevent the platform from exceeding the design range. Although these devices have improved safety to a certain extent, they still have shortcomings. Traditional scissor lift platform guardrails lack active protection functions and cannot effectively protect workers in unexpected situations, increasing operational risks. Utility Model Content

[0004] The purpose of the utility model is to provide a new intelligent scissor lift truck to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a new intelligent scissor lift truck, comprising a chassis, wheels, a power switch, a motor, a hydraulic oil tank, a hydraulic pump, a first hydraulic cylinder, a second hydraulic cylinder, a scissor lift mechanism, a working platform and a guardrail, a protective airbag rod is arranged on the guardrail of the working platform, the protective airbag rod comprises an airbag shell, a piston, a contact switch, a spring, a fixed plate and an air vent, wherein: the airbag shell is installed on the guardrail; the piston is located in the airbag shell; the contact switch is arranged inside the airbag shell; the spring is used to push the piston; the fixed plate is used to fix the airbag shell and the spring; and an air vent is arranged on the right side of the airbag shell for gas circulation.

[0006] Preferably, the airbag in the protective airbag rod is inflated to form a flexible protective barrier.

[0007] Preferably, when the protective airbag rod is squeezed, it pushes the piston to move inside the airbag shell, and two contact switches are provided between the piston and the fixed plate.

[0008] Preferably, the motor drives the hydraulic pump to supply oil to the first hydraulic cylinder and the second hydraulic cylinder through the hydraulic oil tank, thereby controlling the scissor lift mechanism to lift the working platform.

[0009] Preferably, protective airbag rods are provided on the outer sides of the guardrails on the working platform; wheels are provided below the chassis, and a motor, a hydraulic oil tank and a hydraulic pump are fixedly connected to the upper end surface of the chassis.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] The utility model proposes a new intelligent scissor lift truck, whose innovation lies in that a protective airbag rod is integrated on the guardrail of the equipment platform. A flexible protective barrier is formed by inflating the protective airbag rod to effectively protect the workers on the platform. When the operator falls and squeezes the airbag shell, the internal contact switch will be triggered, thereby controlling the hydraulic pump to control the scissor mechanism to lower the working platform to the ground, avoiding accidental falls or collision injuries. The airbag system can also respond quickly to emergencies, provide immediate protection, and significantly improve the overall safety performance of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the internal structure of the utility model;

[0013] Figure 2 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 3 This is a schematic diagram of the equipment platform structure of the utility model;

[0015] Figure 4 It is a schematic diagram of the side structure of the equipment platform of the utility model;

[0016] Figure 5 for Figure 4 A schematic diagram of the structure at A;

[0017] In the figure: 1. chassis; 2. wheels; 3. power switch; 4. motor; 5. hydraulic oil tank; 6. hydraulic pump; 7. first hydraulic cylinder; 8. second hydraulic cylinder; 9. scissor mechanism; 10. working platform; 11. guardrail; 12. protective airbag rod; 121. airbag shell; 122. piston; 123. contact switch; 124. spring; 125. fixing plate; 126. air vent. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-5The utility model provides a technical solution for an intelligent new type of scissor lift truck: an intelligent new type of scissor lift truck, comprising a chassis 1, wheels 2, a power switch 3, a motor 4, a hydraulic oil tank 5, a hydraulic pump 6, a first hydraulic cylinder 7, a second hydraulic cylinder 8, a scissor mechanism 9, a working platform 10 and a guardrail 11, a protective airbag rod 12 is arranged on the guardrail 11 of the working platform 10, the protective airbag rod comprises an airbag shell 121, a piston 122, a contact switch 123, a spring 124, a fixing plate 125 and a vent 126, wherein: the airbag shell 121 is installed on the guardrail 11; the piston 122 is located in the airbag shell 121; the contact switch 123 is arranged inside the airbag shell 121; the spring 124 is used to push the piston 122; the fixing plate 125 is used to fix the airbag shell 121 and the spring 124; and a vent 126 is arranged on the right side of the airbag shell 121 for gas circulation.

[0020] The airbag in the protective airbag rod 12 is inflated and forms a flexible protective barrier.

[0021] When the protective airbag rod 12 is squeezed, it pushes the piston 122 to move inside the airbag shell 121 . The piston 122 and the fixing plate 125 are provided with two contact switches 123 .

[0022] The motor 4 drives the hydraulic pump 6 to supply oil to the first hydraulic cylinder 7 and the second hydraulic cylinder 8 through the hydraulic oil tank 5, thereby controlling the scissor mechanism 9 to lift the working platform 10.

[0023] The outer sides of the guardrails 11 on the working platform 10 are all provided with protective airbag rods 12; wheels 2 are provided below the chassis 1, and the upper end surface of the chassis 1 is fixedly connected with a motor 4, a hydraulic oil tank 5 and a hydraulic pump 6.

[0024] The working principle and use process of the utility model: After the utility model is installed, start the equipment: turn on the power switch 3, start the motor 4, the motor drives the hydraulic pump 6, the hydraulic pump draws hydraulic oil from the hydraulic oil tank 5, and supplies oil to the first hydraulic cylinder 7 and the second hydraulic cylinder 8.

[0025] Lifting platform: By controlling the extension and retraction of the first hydraulic cylinder 7 and the second hydraulic cylinder 8, the scissor mechanism 9 drives the working platform 10 to rise and fall and adjust to the required working height.

[0026] Protection function: When the working platform 10 rises to a predetermined height, the protection airbag rod 12 on the guardrail 11 is automatically activated.

[0027] The airbag in the protective airbag rod 12 is inflated to form a flexible protective barrier to ensure the safety of high-altitude operations.

[0028] If the protective airbag rod 12 is squeezed, the piston 122 moves in the airbag shell 121, triggering the contact switch 123, starting the airbag inflation, and further enhancing the protective function; at the same time, it will also control the power switch 3, start the motor 4, and the motor drives the hydraulic pump 6 to control the first hydraulic cylinder 7 and the second hydraulic cylinder 8, so that the equipment platform descends to avoid accidental falling or collision injuries.

[0029] Moving the equipment: When the scissor lift truck needs to be moved, it is moved by the wheels 2 on the chassis 1, ensuring that the equipment can be flexibly adjusted in the working area.

[0030] Stop the equipment: After completing the work, turn off the power switch 3, stop the operation of the motor 4 and the hydraulic pump 6, reset the first hydraulic cylinder 7 and the second hydraulic cylinder 8, return the scissor mechanism 9 to the initial position, the working platform 10 drops to the lowest position, and the protective airbag rod 12 returns to its initial state.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An intelligent new type scissor lift truck, comprising a chassis (1), wheels (2), a power switch (3), a motor (4), a hydraulic oil tank (5), a hydraulic pump (6), a first hydraulic cylinder (7), a second hydraulic cylinder (8), a scissor lift mechanism (9), a working platform (10) and a guardrail (11), characterized in that: A protective airbag rod (12) is arranged on a guardrail (11) of a working platform (10), the protective airbag rod comprising an airbag shell (121), a piston (122), a contact switch (123), a spring (124), a fixing plate (125) and an air vent (126), wherein: the airbag shell (121) is mounted on the guardrail (11); the piston (122) is located inside the airbag shell (121); the contact switch (123) is arranged inside the airbag shell (121); the spring (124) is used to push the piston (122); the fixing plate (125) is used to fix the airbag shell (121) and the spring (124); and an air vent (126) is arranged on the right side of the airbag shell (121) for gas circulation.

2. The intelligent new scissor lift truck according to claim 1 is characterized by: The airbag in the protective airbag rod (12) is inflated to form a flexible protective barrier.

3. The intelligent new scissor lift truck according to claim 2 is characterized by: When the protective airbag rod (12) is squeezed, it pushes the piston (122) to move inside the airbag shell (121), and two contact switches (123) are provided between the piston (122) and the fixed plate (125).

4. The intelligent new scissor lift truck according to claim 3 is characterized by: The motor (4) drives the hydraulic pump (6) to supply oil to the first hydraulic cylinder (7) and the second hydraulic cylinder (8) through the hydraulic oil tank (5), thereby controlling the scissor mechanism (9) to lift the working platform (10).

5. The intelligent new scissor lift truck according to claim 4 is characterized by: The guardrails (11) on the working platform (10) are each provided with a protective airbag rod (12) on the outside; wheels (2) are provided below the chassis (1); and a motor (4), a hydraulic oil tank (5) and a hydraulic pump (6) are fixedly connected to the upper end surface of the chassis (1).

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