Narrow-space double-stroke double-screw lifting platform mechanism

Abstract

The utility model discloses a narrow-space double-stroke double-lead-screw lifting platform mechanism which comprises a first lifting assembly, a second lifting assembly and a third lifting assembly. The second lifting assembly is arranged on the first lifting assembly and driven by the first driving unit to slide up and down, and a second driving unit is further arranged on the second lifting assembly; the platform is arranged on the second lifting assembly in a sliding manner and performs lifting motion under the action of the second driving unit; the platform is arranged on the other side, opposite to the first lifting assembly, of the second lifting assembly. Adjustment control is achieved through two stages, the second lifting assembly is connected to the first lifting assembly in a liftable mode, the platform is connected to the second lifting assembly in a liftable mode, platform lifting in a short stroke is achieved through simultaneous driving of the first driving unit and the second driving unit, the stroke is greatly shortened, the time is greatly shortened, and the working efficiency is improved. The height of the whole structure is reduced, the lifting efficiency is higher, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of lifting platforms, and in particular relates to a narrow space double-stroke double-screw lifting platform mechanism. Background Art

[0002] In the production workshop, materials usually need to be lifted and docked in the production equipment to complete other process operations. The existing lifting platform usually has a first-level motion adjustment, resulting in a higher overall height, a longer stroke, and relatively more time-consuming. Utility Model Content

[0003] The utility model aims to provide a narrow space double-stroke double-screw lifting platform mechanism to solve the problems raised in the above background technology.

[0004] In view of this, the utility model provides a narrow space double-stroke double-screw lifting platform mechanism, comprising:

[0005] A first lifting assembly, on which a first driving unit is disposed;

[0006] A second lifting assembly is arranged on the first lifting assembly and is driven by the first driving unit to slide up and down, and the second lifting assembly is also provided with a second driving unit;

[0007] The platform is slidably disposed on the second lifting assembly and is lifted and lowered by the second driving unit;

[0008] The platform is on the other side of the second lifting assembly facing away from the first lifting assembly.

[0009] A further implementation scheme of the utility model is that the first lifting assembly includes a first base plate, a first guide rod is fixed on the first base plate, the first driving unit is arranged on the first base plate and connected to the back of the second lifting assembly, and the second lifting assembly is driven to move up and down by the first driving unit.

[0010] A further implementation scheme of the utility model is that the first driving unit includes a first motor, a first screw rod, a first sprocket, a first chain and a first slide, the first motor is fixed on the first base plate, the first screw rod is rotatably arranged on the first base plate through a bearing seat, the first sprocket is fixed on the bottom end of the first screw rod and the output end of the first motor, the sprocket on the first motor and the sprocket on the first screw rod are connected by a first chain transmission, the first slide is connected to the first screw rod, and the first slide is fixed on the back of the second lifting assembly.

[0011] A further implementation scheme of the utility model is that the second lifting assembly includes a second base plate, a third base plate and a fourth base plate, the second base plate and the first slide seat are fixed, the second base plate is fixed to the back of the third base plate, the third base plate is fixed to the back of the fourth base plate, and the first screw rod is fixed to the third base plate through a fixing block.

[0012] A further implementation scheme of the utility model is that the second lifting assembly also includes a second guide rod and a second screw rod, the second guide rod and the second screw rod are arranged on a fourth base plate, the second drive unit includes a second motor, a second sprocket, a second chain and a second slide, the second motor is fixed on the fourth base plate, the second sprocket is fixed on the output end of the second motor and the upper end of the second screw rod, the second chain is transmission connected between the second sprockets, the second slide is fixed on the platform, and the second screw rod and the second slide are transmission connected.

[0013] A further implementation scheme of the utility model is that a top plate is also fixed to the upper end of the second guide rod.

[0014] The beneficial effects of the utility model are:

[0015] This mechanism adopts two stages to achieve adjustment control. The second lifting component is liftably connected to the first lifting component, and the platform is liftably connected to the second lifting component. The first drive unit and the second drive unit are driven simultaneously to achieve platform lifting over a shorter stroke, which greatly reduces the stroke and time, not only reduces the overall structural height, but also has higher lifting efficiency, which is conducive to improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the first lifting assembly of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the second lifting assembly of the utility model. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.

[0020] 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.

[0021] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by "first", "second", etc. are generally of one type, and the number of objects is not limited. For example, the first object can be one or more. In addition, "and / or" in the specification and claims represents at least one of the connected objects, and the character " / " generally indicates that the objects associated with each other are in an "or" relationship.

[0022] It should be noted that, in the description of the present application, the orientation or positional relationship indicated by terms such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description. Unless otherwise stated, these orientation words do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present application; the orientation words "inside and outside" refer to the inside and outside relative to the contour of each component itself.

[0023] It should be noted that, in the present application, the terms "comprise", "include" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises one..." does not exclude the presence of other identical elements in the process, method, article or device including the element. In addition, it should be noted that the scope of the method and device in the embodiment of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved, for example, the described method may be performed in an order different from that described, and various steps may also be added, omitted, or combined. In addition, the features described with reference to certain examples may be combined in other examples.

[0024] like Figure 1 The utility model provides a narrow space double-stroke double-screw lifting platform 3 mechanism, comprising: a first lifting component 1, a second lifting component 2 and a platform 3.

[0025] Wherein, the first lifting assembly 1 is provided with a first driving unit.

[0026] The second lifting assembly 2 is disposed on the first lifting assembly 1 and is driven by the first driving unit to slide up and down. The second lifting assembly 2 is also provided with a second driving unit.

[0027] The platform 3 is slidably arranged on the second lifting assembly 2 and is lifted and lowered by the second driving unit. Furthermore, it is further explained that the platform 3 is on the other side of the second lifting assembly 2 facing away from the first lifting assembly 1, thereby constructing a two-stage adjustment mechanism. The second lifting assembly 2 is liftably connected to the first lifting assembly 1, and the platform 3 is liftably connected to the second lifting assembly 2. The lifting and lowering of the platform 3 over a shorter stroke is achieved by simultaneously driving the first driving unit and the second driving unit, which greatly reduces the stroke and time, not only reduces the overall structural height, but also has higher lifting efficiency, which is conducive to improving work efficiency.

[0028] Detailed, such as Figure 2The first lifting assembly 1 includes a first base plate 10, a first guide rod 11 is fixed on the first base plate 10, the first driving unit is arranged on the first base plate 10 and connected to the back of the second lifting assembly 2, and the second lifting assembly 2 is driven to move up and down by the first driving unit. The first driving unit includes a first motor 12, a first screw rod 13, a first sprocket 14, a first chain 15 and a first slide 16, the first motor 12 is fixed on the first base plate 10, the first screw rod 13 is rotatably arranged on the first base plate 10 through a bearing seat 17, the first sprocket 14 is fixed on the bottom end of the first screw rod 13 and the output end of the first motor 12, the sprocket on the first motor 12 and the sprocket on the first screw rod 13 are connected by the first chain 15, the first slide 16 is connected by the first screw rod 13, and the first slide 16 is fixed on the back of the second lifting assembly 2.

[0029] Secondly, if Figure 3 The second lifting assembly 2 includes a second base plate 20, a third base plate 21 and a fourth base plate 22. The second base plate 20 and the first slide 16 are fixed. The second base plate 20 is fixed to the back of the third base plate 21. The third base plate 21 is fixed to the back of the fourth base plate 22. The first screw rod 13 is fixed to the third base plate 21 through a fixing block 18. The first motor 12 works to drive the first screw rod 13 to rotate, so that the first slide 16 moves on the first screw rod 13, thereby driving the second lifting assembly 2 and the platform 3 to move up and down as a whole.

[0030] In addition, the second lifting assembly 2 also includes a second guide rod 23 and a second screw rod 24, which are arranged on the fourth base plate 22, and the second driving unit includes a second motor 25, a second sprocket 26, a second chain 27 and a second slide 28, the second motor 25 is fixed on the fourth base plate 22, the second sprocket 26 is fixed to the output end of the second motor 25 and the upper end of the second screw rod 24, the second chain 27 is transmission-connected between the second sprocket 26, the second slide 28 is fixed on the platform 3, the second screw rod 24 and the second slide 28 are transmission-connected, similarly, the second motor 25 works to drive the second screw rod 24 to rotate, and then drives the second slide 28 to move on the second screw rod 24, the second slide 28 and the platform 3 are integrated to perform lifting and lowering movements on the second screw rod 24, in addition, a top plate 4 is also fixed to the upper end of the second guide rod 23, and the top plate 4 is used to limit the maximum travel range of the platform 3.

[0031] 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 narrow space double-stroke double-screw lifting platform mechanism, characterized in that: include: A first lifting assembly, on which a first driving unit is disposed; A second lifting assembly is arranged on the first lifting assembly and is driven by the first driving unit to slide up and down, and the second lifting assembly is also provided with a second driving unit; The platform is slidably disposed on the second lifting assembly and is lifted and lowered by the second driving unit; The platform is on the other side of the second lifting assembly facing away from the first lifting assembly.

2. A narrow space double-stroke double-screw lifting platform mechanism according to claim 1, characterized in that: The first lifting assembly includes a first bottom plate, a first guide rod is fixed on the first bottom plate, the first driving unit is arranged on the first bottom plate and connected to the back of the second lifting assembly, and the second lifting assembly is driven to move up and down by the first driving unit.

3. The narrow space double-stroke double-screw lifting platform mechanism according to claim 2, characterized in that: The first driving unit includes a first motor, a first screw rod, a first sprocket, a first chain and a first slide. The first motor is fixed on the first base plate. The first screw rod is rotatably arranged on the first base plate through a bearing seat. The first sprocket is fixed on the bottom end of the first screw rod and the output end of the first motor. The sprocket on the first motor is connected to the sprocket on the first screw rod through a first chain transmission. The first slide is connected to the first screw rod, and the first slide is fixed on the back of the second lifting assembly.

4. The narrow space double-stroke double-screw lifting platform mechanism according to claim 3, characterized in that: The second lifting assembly includes a second base plate, a third base plate and a fourth base plate. The second base plate is fixed to the first slide seat, the second base plate is fixed to the back of the third base plate, the third base plate is fixed to the back of the fourth base plate, and the first screw rod is fixed to the third base plate through a fixing block.

5. The narrow space double-stroke double-screw lifting platform mechanism according to claim 4, characterized in that: The second lifting assembly also includes a second guide rod and a second screw rod, which are arranged on a fourth base plate. The second driving unit includes a second motor, a second sprocket, a second chain and a second slide. The second motor is fixed on the fourth base plate, the second sprocket is fixed on the output end of the second motor and the upper end of the second screw rod, the second chain is transmission-connected between the second sprockets, the second slide is fixed on the platform, and the second screw rod is transmission-connected with the second slide.

6. A narrow space double-stroke double-screw lifting platform mechanism according to claim 5, characterized in that: A top plate is also fixed to the upper end of the second guide rod.

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