Safety locking device of electric aerial work platform

Abstract

The utility model discloses an electric aerial work platform safety locking device which comprises a platform bottom plate shell, an electric lifting mechanism is fixedly connected to the upper portion of the platform bottom plate shell, an aerial work safety platform is fixedly connected to the upper portion of the electric lifting mechanism, and side moving wheels are symmetrically and rotationally connected to the two sides of the platform bottom plate shell. Through the design of the moving wheel speed reduction stabilizing mechanism, stable speed reduction and side moving wheel stabilizing can be achieved when the platform needs to be stopped, inertial shaking caused by sudden braking is effectively prevented, and therefore safety risks caused by instability of the platform in the high-altitude operation process are reduced; multi-point supporting of the platform is achieved through unfolding of the rotary supporting arms, stretching of the hydraulic supporting telescopic rods, the supporting base plates and the side moving wheels, the overall supporting strength of the platform is improved through the design, the anti-overturning capacity of the platform is enhanced, and high-altitude operation is safer and more reliable.

Description

Technical Field

[0001] The utility model relates to the field of aerial work platform safety, in particular to a safety locking device for an electric aerial work platform. Background Art

[0002] When the aerial work platform in the prior art needs to stop, it often does not have a buffer deceleration mechanism for the moving wheels, and the moving wheels are stopped quickly by the braking device directly. This sudden braking is likely to cause the inertial shaking of the platform, which not only affects the stability of the operation, but also may increase safety risks. Especially during high-altitude operations, the shaking may cause the operator to lose balance or the tool to fall. For this reason, an electric aerial work platform safety locking device is provided to solve the above problems. Utility Model Content

[0003] The purpose of the utility model is to provide a safety locking device for an electric aerial work platform in order to solve the problems raised by the above-mentioned background technology. The device has the advantages of being able to effectively decelerate and brake the moving wheels before safety locking and providing stable platform support after braking, thereby solving the problems raised by the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a safety locking device for an electric aerial work platform, comprising: a platform bottom plate shell, an electric lifting mechanism is fixedly connected to the top of the platform bottom plate shell, a high-altitude work safety platform is fixedly connected to the top of the electric lifting mechanism, side moving wheels are symmetrically rotatably connected to the two sides of the platform bottom plate shell, and moving wheel deceleration and stabilization mechanisms are fixedly connected to the sides of each group of side moving wheels on the side of the platform bottom plate shell;

[0005] The moving wheel deceleration and stabilization mechanism includes side fixing blocks, two groups of electric support telescopic rods are embedded in the inner side of each group of the side fixing blocks, the movable ends of the electric support telescopic rods are fixedly connected to a moving guide shell, a top block moving groove is provided on the inner side of the moving guide shell, a guide through hole is provided on the inner side of the top block moving groove, a rubber top block is arranged on the inner side of the top block moving groove, four groups of support guide rods are fixedly connected to the side surfaces of each group of the rubber top blocks, and a support spring is sleeved on the outer side of the support guide rod.

[0006] As a further solution of the utility model: a side fixed rotating block is symmetrically fixedly connected to the side surface of the platform bottom plate shell, a rotating motor is fixedly connected above the side fixed rotating block, a rotating support arm is rotatably connected below the side fixed rotating block, a hydraulic support telescopic rod is embedded inside the rotating support arm, and a movable end of the hydraulic support telescopic rod is fixedly connected to a support pad.

[0007] As a further solution of the utility model: the moving wheel deceleration and stabilization mechanism is fixedly connected to the side surface of the platform bottom plate shell through a side fixing block.

[0008] As a further solution of the utility model: the guide through hole penetrates from the inner side of the top block moving groove to the outer side of the moving guide housing.

[0009] As a further solution of the utility model: the curvature of the rubber top block is matched with the outer contour of the side moving wheel.

[0010] As a further solution of the utility model: the support guide rod is adapted to the guide through hole, the rubber top block is adapted to the top block moving groove, and when the support spring is naturally extended without being subjected to external force, a small part of the rubber top block is located inside the top block moving groove, and at this time the rubber top block is not in contact with the side moving wheel.

[0011] As a further solution of the utility model: one end of the support guide rod is fixedly connected to the rubber top block, and the other end of the support guide rod passes through the guide through hole and is fixedly connected with a disc to prevent the support guide rod from sliding out of the guide through hole.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The design of the moving wheel deceleration and stabilization mechanism in the utility model can smoothly decelerate and stabilize the side moving wheels when the platform needs to stop, effectively preventing the inertial shaking caused by sudden braking, thereby reducing the safety risks caused by the instability of the platform during aerial operations.

[0014] 2. In the utility model, after the side moving wheels stop, the multi-point support of the platform is achieved through the support pad and the side moving wheels by rotating the support arms to unfold and extending the hydraulic support telescopic rods. This design not only improves the overall support strength of the platform, but also enhances the platform's anti-overturning ability, making aerial operations safer and more reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a second perspective structural schematic diagram of the utility model;

[0017] Figure 3 It is a structural schematic diagram of the rotating motor in the utility model;

[0018] Figure 4 It is a structural schematic diagram of the moving wheel deceleration and stabilization mechanism in the utility model;

[0019] Figure 5 It is a structural schematic diagram of the guide through hole in the utility model.

[0020] In the figure: 1. Platform bottom plate shell; 2. Electric lifting mechanism; 3. Aerial work safety platform; 4. Side moving wheel; 5. Side fixed rotating block; 6. Rotating motor; 7. Rotating support arm; 8. Hydraulic support telescopic rod; 9. Support pad; 10. Moving wheel deceleration and stabilization mechanism; 101. Side fixed block; 102. Electric support telescopic rod; 103. Moving guide shell; 104. Top block moving groove; 105. Guide through hole; 106. Rubber top block; 107. Support guide rod; 108. Support spring. DETAILED DESCRIPTION

[0021] 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.

[0022] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation of the present utility model. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal connection of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. The following is an explanation of the embodiments of the present utility model based on the overall structure of the present utility model.

[0023] Reference Figures 1 to 5 In the embodiment of the utility model, the electric aerial work platform safety locking device comprises: a platform bottom plate shell 1, an electric lifting mechanism 2 is fixedly connected above the platform bottom plate shell 1, a high-altitude work safety platform 3 is fixedly connected above the electric lifting mechanism 2, side moving wheels 4 are symmetrically rotatably connected on both sides of the platform bottom plate shell 1, and moving wheel deceleration and stabilization mechanisms 10 are fixedly connected on both sides of each group of side moving wheels 4 on the side of the platform bottom plate shell 1;

[0024] The moving wheel deceleration and stabilization mechanism 10 includes a side fixing block 101, and the moving wheel deceleration and stabilization mechanism 10 is fixedly connected to the side surface of the platform bottom plate shell 1 through the side fixing block 101, and two groups of electric support telescopic rods 102 are embedded in the inner side of each group of side fixing blocks 101, and the movable ends of the electric support telescopic rods 102 are fixedly connected to the moving guide shell 103, and the inner side of the moving guide shell 103 is provided with a top block moving groove 104, and the inner side of the top block moving groove 104 is provided with a guide through hole 105, and the guide through hole 105 passes through the inner side of the top block moving groove 104 to the outer side of the moving guide shell 103, and the inner side of the top block moving groove 104 is provided with a rubber top block 106, and the curvature of the rubber top block 106 is consistent with the curvature of the side moving wheel 4 The outer contours are adapted, and the side surfaces of each group of rubber top blocks 106 are fixedly connected with four groups of support guide rods 107. The outer sides of the support guide rods 107 are sleeved with support springs 108. The support guide rods 107 are adapted to the guide through holes 105, and the rubber top blocks 106 are adapted to the top block moving grooves 104. When the support springs 108 are not subjected to external forces and are naturally extended, a small part of the rubber top block 106 is located inside the top block moving grooves 104, and at this time, the rubber top block 106 is not in contact with the side moving wheel 4. One end of the support guide rod 107 is fixedly connected to the rubber top block 106, and the other end of the support guide rod 107 passes through the guide through holes 105 and is fixedly connected with a disc to prevent the support guide rod 107 from sliding out of the guide through holes 105.

[0025] A side fixed rotating block 5 is symmetrically fixedly connected to the side of the platform bottom plate shell 1, a rotating motor 6 is fixedly connected above the side fixed rotating block 5, a rotating support arm 7 is rotatably connected below the side fixed rotating block 5, a hydraulic support telescopic rod 8 is embedded inside the rotating support arm 7, and a supporting pad 9 is fixedly connected to the movable end of the hydraulic support telescopic rod 8.

[0026] The working principle of the utility model is as follows: when using the electric aerial work platform, when we move to a suitable position and need to lock it safely, we first start the electric support telescopic rod 102 in the moving wheel deceleration and stabilization mechanism 10, and the movable end of the electric support telescopic rod 102 pushes the rubber top block 106 in the moving guide housing 103 to move toward the side moving wheel 4. As the rubber top block 106 gradually approaches and contacts the outer contour of the side moving wheel 4, since the curvature of the rubber top block 106 is adapted to the outer contour of the side moving wheel 4, the rolling speed of the side moving wheel 4 can be effectively slowed down until it finally stops. During this process, the rubber top block 106 is squeezed by the side moving wheel 4, the support guide rod 107 slides in the guide through hole 105, and the support spring 108 is compressed to provide necessary buffering and damping to prevent the inertial shaking caused by sudden braking of the side moving wheel 4.

[0027] After the side moving wheel 4 stops completely, the rotating motor 6 is started to drive the rotating support arm 7 on the side fixed rotating block 5 to rotate outward and unfold. When the rotating support arm 7 reaches the predetermined position, the hydraulic support telescopic rod 8 is started, and its movable end pushes the supporting pad 9 to extend downward until the supporting pad 9 contacts the ground and firmly supports the entire platform. At this time, the platform changes from being supported only by the side moving wheel 4 to being supported by both the supporting pad 9 and the side moving wheel 4.

[0028] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. The electric aerial work platform safety locking device is characterized by: include: A platform bottom plate shell (1), an electric lifting mechanism (2) is fixedly connected to the top of the platform bottom plate shell (1), a high-altitude work safety platform (3) is fixedly connected to the top of the electric lifting mechanism (2), side moving wheels (4) are symmetrically rotatably connected on both sides of the platform bottom plate shell (1), and moving wheel deceleration and stabilization mechanisms (10) are fixedly connected to the sides of each group of side moving wheels (4) on the side of the platform bottom plate shell (1); The moving wheel deceleration and stabilization mechanism (10) comprises a side fixing block (101), two groups of electric support telescopic rods (102) are embedded inside each group of the side fixing blocks (101), the movable ends of the electric support telescopic rods (102) are fixedly connected to a moving guide housing (103), a top block moving groove (104) is provided inside the moving guide housing (103), a guide through hole (105) is provided inside the top block moving groove (104), a rubber top block (106) is provided inside the top block moving groove (104), four groups of support guide rods (107) are fixedly connected to the side surface of each group of the rubber top blocks (106), and a support spring (108) is sleeved on the outer side of the support guide rod (107).

2. The electric aerial work platform safety locking device according to claim 1, characterized in that: The platform bottom plate shell (1) is symmetrically fixedly connected to a side fixed rotating block (5), the top of the side fixed rotating block (5) is fixedly connected to a rotating motor (6), the bottom of the side fixed rotating block (5) is rotatably connected to a rotating support arm (7), a hydraulic support telescopic rod (8) is embedded inside the rotating support arm (7), and the movable end of the hydraulic support telescopic rod (8) is fixedly connected to a supporting pad (9).

3. The electric aerial work platform safety locking device according to claim 1, characterized in that: The moving wheel deceleration and stabilization mechanism (10) is fixedly connected to the side surface of the platform bottom plate shell (1) via a side fixing block (101).

4. The electric aerial work platform safety locking device according to claim 1, characterized in that: The guide through hole (105) penetrates from the inner side of the top block moving groove (104) to the outer side of the moving guide housing (103).

5. The electric aerial work platform safety locking device according to claim 1, characterized in that: The curvature of the rubber top block (106) is adapted to the outer contour of the side moving wheel (4).

6. The electric aerial work platform safety locking device according to claim 1, characterized in that: The support guide rod (107) is matched with the guide through hole (105), and the rubber top block (106) is matched with the top block moving groove (104). When the support spring (108) is naturally extended without being subjected to external force, a small part of the rubber top block (106) is located inside the top block moving groove (104), and at this time, the rubber top block (106) is not in contact with the side moving wheel (4).

7. The electric aerial work platform safety locking device according to claim 1, characterized in that: One end of the support guide rod (107) is fixedly connected to the rubber top block (106), and the other end of the support guide rod (107) passes through the guide through hole (105) and is fixedly connected to a round piece to prevent the support guide rod (107) from sliding out of the guide through hole (105).

Images