Auxiliary supporting leg device for movable scissor type elevator
By installing a detachable outrigger device on the mobile scissor lift, the stability of the equipment is increased and the mismoval is avoided, and the overturning problem caused by unstable center of gravity and misoperation is solved, and the safety of high-altitude operations is improved.
Patent Information
- Application Number
- CN202421025095.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-11
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-05-11
AI Technical Summary
The mobile scissor lift is prone to overturn due to unstable center of gravity during construction, and the operator may cause the equipment to move when the lifting platform has not descended due to misoperation, resulting in the equipment capsized accident.
Design an auxiliary leg device, including removable leg, installed around the mobile base, each set of leg includes a mounting seat, horizontal bracket and limit support, the leg contacts the ground during work, increasing the stability of the equipment and fix the equipment through outriggers to avoid movement of equipment during construction.
It effectively increases the stress area and stability of the lower part of the equipment, avoids overturning caused by unstable center of gravity, and prevents equipment movement caused by misoperation during construction, improving the safety of high-altitude operations.
Smart Images
Figure CN222348597U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of lifts, in particular to an auxiliary leg device for a mobile scissor lift. Background Art
[0002] The lift is a kind of lifting equipment composed of a walking mechanism, a hydraulic mechanism, an electric control mechanism and a supporting mechanism. The scissor lift is one of the more commonly used ones. In many construction sites, mobile scissor lifts are often used for high-altitude repair operations. However, during the construction process of using a mobile scissor lift, the equipment often overturns due to the unstable center of gravity, causing personnel to fall from heights; and during the construction process, since the lift can be moved at will, it often happens that when the lifting platform has not descended, the operator will mistakenly operate the equipment to move. When the lifting platform of the lifting mechanism has not descended, it is very easy for the equipment to overturn if it moves. Although the mobile scissor lift equipment has an auxiliary plate at the bottom, the auxiliary plate was originally used to increase the force area between the equipment and the ground, thereby reducing the overturning of the lift, but in actual operation, the auxiliary plate did not fall to the ground, and the force area between the equipment and the ground remained unchanged. Utility Model Content
[0003] In order to solve the problems existing in the background technology, the utility model provides an auxiliary support leg device for a mobile scissor lift, which can increase the force-bearing area of the lower part of the lift and increase the stability of the device. The lifting mechanism can be fixed by the support leg device, which can prevent the device from tipping over when the lifting platform is not lowered.
[0004] In order to achieve the above-mentioned technical objectives, the utility model provides an auxiliary leg device for a mobile scissor lift, including a mobile scissor lift, the mobile lift including a mobile base and a lifting platform, the leg device including a plurality of groups of detachable legs mounted on the mobile base, the plurality of groups of detachable legs being dispersedly arranged around the mobile base, each group of detachable legs including a mounting seat, a horizontal bracket and a limit bracket, the mounting seat being detachably mounted on a frame of the mobile base, one end of the horizontal bracket being rotatably connected or hinged to the mounting seat, the limit bracket including a threaded sleeve fixed to the free end of the horizontal bracket and a screw connected to the threaded sleeve, a support plate being provided at the lower end of the screw, and the length of the screw being greater than the distance between the horizontal bracket and the bottom surface of the mobile base, and when the mobile lift is working, the support plates of the plurality of groups of detachable legs are in contact with the ground at the same time.
[0005] The better technical solution of the utility model is as follows: the detachable legs are provided with four groups, which are respectively arranged at the four corners of the mobile base, and the mounting seat of each detachable leg is fixedly connected with the original bolt hole on the frame of the mobile base by a high-strength bolt.
[0006] The better technical solution of the utility model: the horizontal bracket is welded with square steel, each horizontal bracket is connected to the mounting base through a high-strength hinge or a rotating support, the horizontal bracket is retracted and rotated along the mounting base until the angle between it and the mobile base is less than 15 degrees, or it is expanded and rotated along the mounting base until the angle between it and the mobile base is greater than or equal to 90 degrees.
[0007] A more optimal technical solution of the utility model is that the top end of the screw is provided with a limit piece whose diameter is larger than the inner diameter of the threaded sleeve.
[0008] The preferred technical solution of the utility model is as follows: the support plate is a metal plate, which is welded to the bottom of the screw rod, and the contact surface between the support plate and the ground is provided with anti-slip grooves.
[0009] The utility model adds four legs around the mobile scissor lift equipment without destroying the original structure of the lift equipment, thereby increasing the force-bearing area of the lower part; when the equipment is moved to the construction position, the leg device can be used to support the entire equipment to the ground to fix it, thereby increasing the stability of the equipment and avoiding the problem of overall overturning of the equipment due to unstable center of gravity during the construction process; moreover, since the leg device fixes the equipment to the bottom surface, the equipment will not move during the construction process. Only after the equipment construction is completed and the lifting platform is lowered to a horizontal state, the legs are retracted and the entire device can be moved. Therefore, the operator will not cause the equipment to move during the work process due to misoperation, thereby avoiding the equipment from overturning during the work process. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 It is a front structural schematic diagram of the utility model;
[0011] Figure 2 It is a top view of the utility model.
[0012] In the figure: 1—mobile base, 2—lifting platform, 3—mounting seat, 4—horizontal bracket, 5—limit support, 500—threaded sleeve, 501—screw, 502—support plate, 503—limiting member, 6—high-strength hinge or rotating support. DETAILED DESCRIPTION
[0013] The utility model is further described below in conjunction with the accompanying drawings and embodiments. Figure 1 to Figure 2The drawings are all of embodiments, which are drawn in a simplified manner and are only used for the purpose of clearly and concisely illustrating the embodiments of the utility model. The following technical solutions shown in the drawings are specific solutions of the embodiments of the utility model and are not intended to limit the scope of the utility model to be protected. Based on the embodiments of 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.
[0014] In the description of the present utility model, it should be understood that the terms "upper", "lower", "inside", "outside", "left", "right", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, or are directions or positional relationships in which the utility model product is usually placed when in use, or are directions or positional relationships that are usually understood by those skilled in the art. These directions or positional relationships 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 component referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present utility model.
[0015] Embodiments provide an auxiliary leg device for moving a scissor lift, such as Figure 1 and Figure 2 As shown, it includes a mobile scissor lift, the mobile lift includes a mobile base 1 and a lifting platform 2, and a group of detachable legs are respectively installed at the four corners of the mobile base 1, each group of detachable legs includes a mounting seat 3, a horizontal bracket 4 and a limit bracket 5, the mounting seat 3 is installed on the frame of the mobile base 1 by high-strength bolts, and can be disassembled by removing the bolts. In order to avoid damage to the original equipment, the connection part can be fixedly connected with the original bolt holes on the frame of the mobile base 1. One end of the horizontal bracket 4 is rotatably connected or hinged to the mounting seat 3, the horizontal bracket 4 is welded with square steel, and each horizontal bracket 4 is connected to the mounting seat 3 by a high-strength hinge or a rotating bracket 6. The horizontal bracket rotates along the mounting seat 3 to be retracted and released to an angle less than 15 degrees with the mobile base 1, or rotates and unfolds along the mounting seat 3 to an angle greater than or equal to 90 degrees with the mobile base 1; in order to increase its stability, the hinge can be a self-locking hinge, and the rotating bracket can also be provided with a locking mechanism, which can be fixed and locked after it is retracted or unfolded into place.
[0016] Embodiments provide an auxiliary leg device for moving a scissor lift, such as Figure 2As shown, the limit support 5 includes a threaded sleeve 500 fixed to the free end of the horizontal support 4 and a screw 501 connected to the threaded sleeve 500. A support plate 502 is provided at the lower end of the screw 501, and the length of the screw 501 is greater than the distance between the horizontal support 4 and the bottom surface of the mobile base 1. When the mobile lift is working, the support plates 502 of multiple groups of detachable legs are in contact with the ground at the same time. A limiter 503 with a diameter greater than the inner diameter of the threaded sleeve 500 is provided at the top of the screw 501. The support plate (502) is a metal plate welded to the bottom of the screw 501, and the contact surface of the support plate 502 with the ground is provided with anti-slip grooves.
[0017] When the utility model is used, the device is first moved to the operation point, and then after it stops, the four groups of legs can be unfolded and then fixed. By adjusting the height of the screw rod 500, the support plates 502 on the four groups of legs can contact the ground at the same time, and at the same time, they are supported by force, thereby increasing the stability of the mobile base 1. After the four legs are adjusted, the lifting platform of the device is lifted to start the operation. During the operation, the stability of the entire device is greatly increased by the four groups of legs. At the same time, the device increases the weight of the lower part, thereby avoiding the overturning of the device due to the unstable center of gravity, thereby improving the safety factor of high-altitude operation. After the operation is completed, the device needs to retract the four legs before it can be moved, so there is generally no accidental movement. Only after the operation is completed and the lifting platform is lowered, the screw rods of the four legs are adjusted to make each support plate 502 detach from the ground, and then the legs are rotated and retracted, and then the mobile base 1 is controlled to move the device, thereby avoiding the accident of the device overturning due to the accidental movement of the device when the lifting platform is not lowered.
[0018] The device of the utility model can increase the stability of the entire equipment without destroying the original structure of the equipment. The device is quick to install, integrally formed, and does not require multiple sets of accessories. It can be installed immediately after the equipment enters the site, and can be dismantled and used for other equipment after the equipment leaves the site. At the same time, the device can be recycled and folded when the original equipment is not in use or the site is limited. Each leg can rotate 135 degrees with the equipment as the center to cope with different working environments.
[0019] The above is only one embodiment of the utility model, and its description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model shall be based on the attached claims.
Claims
1. An auxiliary leg device for a mobile scissor lift, comprising a mobile scissor lift, wherein the mobile scissor lift comprises a mobile base (1) and a lifting platform (2), characterized in that: The leg device comprises a plurality of groups of detachable legs mounted on a mobile base (1), the plurality of groups of detachable legs being dispersedly arranged around the mobile base (1), each group of detachable legs comprising a mounting seat (3), a horizontal bracket (4) and a limit bracket (5), the mounting seat (3) being detachably mounted on a frame of the mobile base (1), one end of the horizontal bracket (4) being rotatably connected or hingedly connected to the mounting seat (3), the limit bracket (5) comprising a threaded sleeve (500) fixed to a free end of the horizontal bracket (4) and a screw rod (501) connected to the threaded sleeve (500), a support plate (502) being provided at the lower end of the screw rod (501), and the length of the screw rod (501) being greater than the distance between the horizontal bracket (4) and the bottom surface of the mobile base (1), and when the mobile scissor lift is in operation, the support plates (502) of the plurality of groups of detachable legs are in contact with the ground at the same time.
2. An auxiliary leg device for a mobile scissor lift according to claim 1, characterized in that: The detachable legs are provided in four groups, which are respectively arranged at the four corners of the mobile base (1), and the mounting seat (3) of each detachable leg is fixedly connected to the original bolt hole on the frame of the mobile base (1) by means of high-strength bolts.
3. An auxiliary leg device for a mobile scissor lift according to claim 1 or 2, characterized in that: The horizontal brackets (4) are welded from square steel, and each horizontal bracket (4) is connected to the mounting base (3) via a high-strength hinge or a rotating support (6). The horizontal brackets are rotated along the mounting base (3) to be retracted to an angle less than 15 degrees with the movable base (1), or are rotated along the mounting base (3) to be extended to an angle greater than or equal to 90 degrees with the movable base (1).
4. An auxiliary leg device for a mobile scissor lift according to claim 1 or 2, characterized in that: The top end of the screw rod (501) is provided with a stopper (503) having a diameter greater than the inner diameter of the threaded sleeve (500).
5. An auxiliary leg device for a mobile scissor lift according to claim 1 or 2, characterized in that: The support plate (502) is a metal plate, welded to the bottom of the screw rod (501), and the contact surface between the support plate (502) and the ground is provided with anti-slip grooves.