Movable elevator

Abstract

The utility model belongs to the technical field of elevators, and particularly relates to a movable elevator which comprises a movable base, a plurality of movable wheels are arranged at the bottom of the movable base, and a handle is arranged on one side of the movable base. The shear type lifting piece is arranged on the movable base; the lifting platform is arranged on the shear type lifting piece; the shear type lifting piece further comprises a supporting rod which is a hollow steel rod. The reinforcing keels are arranged on the surfaces of the inner sides of the supporting rods; wherein the reinforcing keels are evenly distributed in the circumferential direction of the inner side surface of the supporting rod at intervals, the reinforcing keels and the supporting rod are integrally formed, and compared with the prior art, the stability of the elevator is improved, and the bearing performance and the use safety of the elevator are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of elevators, and in particular relates to a mobile elevator. Background Art

[0002] Mobile lifts, also known as mobile scaffolds or lifting platforms, are widely used in the construction and industrial fields to provide a height-adjustable working platform so that workers can perform tasks such as construction, maintenance, repair and assembly. These devices help improve work efficiency and work safety. For example, a mobile lift disclosed in patent application number CN201210332786.8 includes a scissor lift assembly and a lifting platform assembly, the lifting platform assembly is connected to the upper end of the scissor lift assembly, the lift also includes a trolley and a hand-cranked lifting device, the lower end of the scissor lift assembly is connected to the trolley;

[0003] During use, the existing mobile lift has poor supporting performance of its scissor-type lifting parts, which can easily cause the lift to shake. At the same time, it is impossible to place heavy objects on it, and it may collapse when heavy objects are placed on it, which poses certain safety hazards. At the same time, the rollers are generally locked manually, which has low working efficiency and is prone to negligence leading to failure to lock, further increasing the safety hazards of the lift during use, so it is necessary to make improvements. Utility Model Content

[0004] The purpose of the utility model is to provide a mobile lift to solve the above-mentioned technical problems, so as to improve the safety of the mobile lift.

[0005] In view of this, the utility model provides a mobile lift, comprising:

[0006] A mobile base, wherein a plurality of mobile wheels are arranged at the bottom of the mobile base, and a handle is arranged at one side of the mobile base;

[0007] A scissor-type lifting member, wherein the scissor-type lifting member is arranged on a movable base;

[0008] A lifting platform, wherein the lifting platform is arranged on a scissor-type lifting member;

[0009] The scissor lift also includes:

[0010] A support rod, wherein the support rod is a hollow steel rod;

[0011] A plurality of reinforcing keels, wherein the plurality of reinforcing keels are arranged on the inner surface of the supporting rod;

[0012] Among them, a plurality of reinforcing keels are evenly spaced and distributed along the circumference of the inner surface of the support rod, and the plurality of reinforcing keels are integrally formed with the support rod.

[0013] In the present technical solution, when the mobile lift is in use, the support rod is a hollow steel rod which can effectively reduce the overall weight of the mobile lift and facilitate the movement of the mobile lift. At the same time, the setting of several reinforced keels can ensure the supporting performance of the support rod, reduce the shaking of the lift during use, effectively improve the stability of the lift, and improve the load-bearing performance of the lift.

[0014] In the above technical solution, further, it also includes:

[0015] An inner rod, the inner rod is arranged inside the support rod, the cross section of the inner rod is prismatic, and each face of the inner rod is not parallel to the inner side surface of the support rod;

[0016] Wherein, the inner rod can be welded or integrally formed with the support rod, and the inner rod extends along the length direction of the support rod.

[0017] In the above technical solution, further, the cross section of the inner rod is a prism with two ends connected to each other.

[0018] In the above technical solution, further, it also includes:

[0019] A glass fiber layer is arranged on the inner surface of the support rod.

[0020] In the above technical solution, further, the moving wheel also includes:

[0021] A wheel frame, on which a roller is rotatably arranged;

[0022] A chuck, the chuck is arranged on both sides of the roller, and a tooth pattern is arranged on the circumferential surface of the chuck;

[0023] A stop block, which is arranged on the wheel frame and is located directly above the roller, and the lower surface of the stop block can be engaged with the tooth pattern on the chuck;

[0024] An electromagnet, which is arranged on the top of the wheel frame and is located directly above the stop block;

[0025] The stop block is connected to the wheel frame via a first elastic telescopic rod, the stop block is provided with a magnetic attraction portion cooperating with the electromagnet, and the handle is provided with an on / off switch for controlling the electromagnet.

[0026] In the above technical solution, further, the moving wheel also includes:

[0027] A connecting shaft, wherein the connecting shaft is arranged on the bottom surface of the mobile base;

[0028] A connecting portion, the connecting portion being arranged at the top end of the wheel frame;

[0029] A rotation limiting block, which is arranged on the wheel frame and is located directly above the electromagnet;

[0030] The connecting shaft is rotatably connected to the connecting portion, the rotation limiting block is connected to the wheel frame via a second elastic telescopic rod, and the rotation limiting block can cooperate with the bottom of the connecting shaft to limit the rotation of the connecting shaft.

[0031] The beneficial effects of the utility model are:

[0032] 1. The hollow steel rods can effectively reduce the overall weight of the mobile lift, making it easier to move the lift. At the same time, the setting of several reinforced keels can ensure the support performance of the support rods, reduce the shaking of the lift during use, effectively improve the stability of the lift, and improve the load-bearing performance of the lift;

[0033] 2. The support performance of the support rod is further improved by setting the inner rod and the glass fiber layer, thereby further improving the stability and load-bearing performance of the lift;

[0034] 3. The locking and unlocking of the moving wheel can be automatically controlled by the setting of the electromagnet, the stop block and the rotation limit block, thereby improving the safety of the lift. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0036] Figure 1 It is a schematic structural diagram of a specific implementation method of the utility model.

[0037] Figure 2 This is a schematic diagram of the structure of the scissor-type lifting member of the utility model.

[0038] Figure 3 This is a schematic diagram of the support rod structure of the utility model.

[0039] Figure 4 This is a schematic diagram of the glass fiber layer structure of the utility model.

[0040] Figure 5 This is a schematic diagram of the structure of the mobile wheel of the utility model.

[0041] The symbols in the figure are:

[0042] 1-mobile base, 2-mobile wheel, 20-wheel frame, 21-roller, 22-chuck, 23-stop block, 24-electromagnet, 25-first elastic telescopic rod, 26-connecting shaft, 27-connecting part, 28-rotation limiting block, 29-second elastic telescopic rod, 3-handle, 4-scissor lift, 40-support rod, 41-reinforced keel, 42-inner rod, 43-glass fiber layer, 5-lifting platform. DETAILED DESCRIPTION

[0043] 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 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.

[0044] In the description of the present application, it should be noted that the terms used herein are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. For ease of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be regarded as part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0045] Embodiment 1:

[0046] The embodiment of the present application provides a mobile lift, comprising a mobile base 1, a plurality of mobile wheels 2 are arranged at the bottom of the mobile base 1, a handle 3 is arranged at one side of the mobile base 1; a scissor lift 4, the scissor lift 4 is arranged on the mobile base 1; a lifting platform 5, the lifting platform 5 is arranged on the scissor lift 4;

[0047] The scissor lift 4 further includes: a support rod 40, which is a hollow steel rod; a plurality of reinforcing keels 41, which are arranged on the inner surface of the support rod 40;

[0048] Among them, a plurality of reinforcing keels 41 are evenly spaced and distributed along the circumference of the inner surface of the support rod 40 , and the plurality of reinforcing keels 41 and the support rod 40 are integrally formed.

[0049] In this embodiment, when the mobile lift is in use, the support rod 40 is a hollow steel rod which can effectively reduce the overall weight of the mobile lift and facilitate the movement of the mobile lift. At the same time, the provision of a number of reinforced keels 41 can ensure the supporting performance of the support rod 40, reduce the shaking of the lift during use, effectively improve the stability of the lift, and improve the load-bearing performance of the lift.

[0050] Embodiment 2:

[0051] This embodiment provides a mobile lift, which, in addition to the technical solutions of the above embodiments, also has the following technical features, and further includes: an inner rod 42, which is arranged inside the support rod 40, the cross section of the inner rod 42 is prismatic, and each surface of the inner rod 42 is not parallel to the inner side surface of the support rod 40;

[0052] The inner rod 42 can be welded or integrally formed with the support rod 40 , and the inner rod 42 extends along the length direction of the support rod 40 .

[0053] The cross section of the inner rod 42 is a prism shape with two ends connected to each other.

[0054] The support rod 40 further includes a glass fiber layer 43 , which is disposed on the inner surface of the support rod 40 .

[0055] In this embodiment, when the mobile lift is in use, the support rod 40 is a hollow steel rod which can effectively reduce the overall weight of the mobile lift and facilitate the movement of the mobile lift. At the same time, the provision of a number of reinforced keels 41 can ensure the supporting performance of the support rod 40, reduce the shaking of the lift during use, effectively improve the stability of the lift, and improve the load-bearing performance of the lift. Through the provision of the inner rod 42 and the glass fiber layer 43, the inner rod 42 can improve the bending resistance of the support rod 40 in different directions, and the glass fiber layer 43 can improve the toughness and impact and tensile resistance of the support rod 40, further improving the supporting performance of the support rod 40, thereby further improving the stability and load-bearing performance of the lift.

[0056] Embodiment 3:

[0057] This embodiment provides a mobile lift, which, in addition to the technical solutions of the above embodiments, also has the following technical features: the mobile wheel 2 also includes: a wheel frame 20, on which a roller 21 is rotatably arranged; a chuck 22, which is arranged on both sides of the roller 21, and a tooth pattern is arranged on the circumferential surface of the chuck 22; a stop block 23, which is arranged on the wheel frame 20 and is located directly above the roller 21, and the lower surface of the stop block 23 can be engaged with the tooth pattern on the chuck 22; an electromagnet 24, which is arranged on the top of the wheel frame 20 and is located directly above the stop block 23;

[0058] The stop block 23 is connected to the wheel frame 20 via a first elastic telescopic rod 25 , a magnetic attraction portion cooperating with the electromagnet 24 is disposed on the stop block 23 , and an on / off switch for controlling the electromagnet 24 is disposed on the handle 3 .

[0059] The moving wheel 2 further includes: a connecting shaft 26, which is arranged on the bottom surface of the moving base 1; a connecting portion 27, which is arranged on the top of the wheel frame 20; a rotation limiting block 28, which is arranged on the wheel frame 20 and is located directly above the electromagnet 24;

[0060] The connecting shaft 26 is rotatably connected to the connecting portion 27 , and the rotation limiting block 28 is connected to the wheel frame 20 via a second elastic telescopic rod 29 . The rotation limiting block 28 can cooperate with the bottom of the connecting shaft 26 to limit the rotation of the connecting shaft 26 .

[0061] Moreover, the rotation limiting block 28 can limit the rotation of the connecting shaft 26 in a conventional manner, such as installing a plurality of protrusions on the rotation limiting block 28, and providing a groove that cooperates with the protrusions at the bottom of the connecting shaft 26, so that the rotation of the connecting shaft 26 is limited by the cooperation between the protrusions and the grooves, and the rotation limiting block 28 is also provided with a magnetic attraction portion that cooperates with the electromagnet 24.

[0062] In this embodiment, when the user pushes the mobile lift, the user's hand holds the handle 3, and the opening and closing switch on the handle 3 is pressed when the handle 3 is held, thereby controlling the electromagnet 24 to start. After the electromagnet 24 is started, it adsorbs the magnetic suction parts on the stop block 23 and the rotation limiting block 28, so that the stop block 23 and the rotation limiting block 28 are separated from the chuck 22 and the connecting shaft 26 respectively, so that the moving wheel 2 can operate smoothly. When the mobile lift stops, the user's hand is separated from the handle 3, so that the opening and closing switch is released, the electromagnet 24 stops operating, and the first elastic telescopic rod 25 and the second elastic telescopic rod 29 drive the stop block 23 and the rotation limiting block 28 to reset, thereby limiting the rotation of the roller 21 and the connecting shaft 26. Compared with the prior art, the utility model can automatically control the moving wheel 2 of the mobile lift to be locked when parked, effectively improving the safety of the mobile lift.

[0063] The embodiments of the present application are described above in conjunction with the accompanying drawings. In the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. A mobile lift, comprising: A mobile base (1), wherein a plurality of mobile wheels (2) are arranged at the bottom of the mobile base (1), and a handle (3) is arranged at one side of the mobile base (1); A scissor-type lifting member (4), wherein the scissor-type lifting member (4) is arranged on the mobile base (1); A lifting platform (5), wherein the lifting platform (5) is arranged on the scissor-type lifting member (4); It is characterized in that The scissor-type lifting member (4) further comprises: A support rod (40), wherein the support rod (40) is a hollow steel rod; A plurality of reinforcing keels (41), wherein the plurality of reinforcing keels (41) are arranged on the inner surface of the supporting rod (40); The plurality of reinforcing keels (41) are evenly spaced and distributed along the circumference of the inner surface of the support rod (40), and the plurality of reinforcing keels (41) and the support rod (40) are integrally formed.

2. A mobile lift according to claim 1, characterized in that: Also includes: An inner rod (42), the inner rod (42) being arranged inside the support rod (40), the cross section of the inner rod (42) being prismatic, and each surface of the inner rod (42) being not parallel to the inner side surface of the support rod (40); The inner rod (42) can be welded or integrally formed with the support rod (40), and the inner rod (42) extends along the length direction of the support rod (40).

3. A mobile lift according to claim 2, characterized in that: The cross section of the inner rod (42) is in the shape of a prism with two ends connected to each other.

4. A mobile lift according to claim 2, characterized in that: Also includes: A glass fiber layer (43) is arranged on the inner surface of the support rod (40).

5. A mobile lift according to claim 1, characterized in that: The moving wheel (2) further comprises: A wheel frame (20), on which a roller (21) is rotatably arranged; A chuck (22), wherein the chuck (22) is arranged on both sides of the roller (21), and a tooth pattern is arranged on the circumferential surface of the chuck (22); A stop block (23), the stop block (23) being arranged on the wheel frame (20) and being located directly above the roller (21), and the lower surface of the stop block (23) being engageable with the tooth pattern on the chuck (22); An electromagnet (24), wherein the electromagnet (24) is arranged on the top of the wheel frame (20) and is located directly above the stop block (23); The stop block (23) is connected to the wheel frame (20) via a first elastic telescopic rod (25), a magnetic attraction portion cooperating with the electromagnet (24) is provided on the stop block (23), and an on / off switch for controlling the electromagnet (24) is provided on the handle (3).

6. A mobile lift according to claim 5, characterized in that: The moving wheel (2) further comprises: A connecting shaft (26), wherein the connecting shaft (26) is arranged on the bottom surface of the mobile base (1); A connecting portion (27), wherein the connecting portion (27) is arranged at the top end of the wheel frame (20); A rotation limiting block (28), wherein the rotation limiting block (28) is arranged on the wheel frame (20) and is located directly above the electromagnet (24); The connecting shaft (26) is rotatably connected to the connecting portion (27), the rotation limiting block (28) is connected to the wheel frame (20) via a second elastic telescopic rod (29), and the rotation limiting block (28) can cooperate with the bottom of the connecting shaft (26) to limit the rotation of the connecting shaft (26).

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