Chain synchronizing device of lifting platform

Abstract

The utility model discloses a lifting platform chain synchronizing device which comprises a transfer supporting frame, a bearing platform, a first transmission chain and a second transmission chain, the bearing platform is arranged on the inner side of the transfer supporting frame, and a first fixing hanging lug and a second fixing hanging lug are arranged at the two ends of the bearing platform respectively. The first fixing hanging lug and the second fixing hanging lug are each provided with a first locking piece and a second locking piece. One end of the first transmission chain is connected with the first locking piece of the first fixing hanging lug, the other end of the first transmission chain is connected with the second locking piece of the second fixing hanging lug, one end of the second transmission chain is connected with the first locking piece of the second fixing hanging lug, and the other end of the second transmission chain is connected with the second locking piece of the first fixing hanging lug. The lifting platform has the beneficial effects that the first transmission chain and the second transmission chain are sequentially and alternately connected with the first fixing hanging lug and the second fixing hanging lug, and the problem that due to the design, the first transmission chain and the second transmission chain are uneven in stress, and consequently lifting of the bearing platform is unstable is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of lifting platform, especially a lifting platform chain synchronous device. BACKGROUND

[0002] The lifting platform is a kind of hoisting machinery for vertical transportation of people or goods, also refers to the equipment for vertical conveying in logistics system such as factory, automatic warehouse, usually, various plane conveying equipment are also installed on the lifting platform, as connecting device of conveying line of different height;Therefore, it is widely used in municipal maintenance, wharf, logistics center goods transportation, building decoration and other fields.

[0003] At present, all lifting platforms, chain type lifting platform is most widely used, but, chain type lifting platform on the market is in the left and right sides of bearing platform and support frame, transmission sprocket is arranged, and the transmission chain is engaged with the corresponding transmission sprocket, the design makes the lifting platform in the process of up and down, the transmission chain of two sides is unevenly stressed, so as to cause the lifting platform to be unstable, and seriously, it can cause transmission chain fracture, therefore, there is a security risk. UTILITY MODEL CONTENT

[0004] In view of the above-mentioned defects, the utility model aims at providing a lifting platform chain synchronous device, which is stable in the process of up and down, ensures uniform stress of chain and has high safety degree.

[0005] To achieve this purpose, the utility model adopts the following technical scheme:

[0006] A kind of lifting platform chain synchronous device, it includes transfer support frame, bearing platform, first transmission chain and second transmission chain, the bearing platform is located in the inner side of the transfer support frame, one end of the bearing platform is provided with first fixed lug, the other end of the bearing platform is provided with second fixed lug, the first fixed lug and the second fixed lug are provided with first locking piece and second locking piece;The top of the transfer support frame is equipped with first gear seat, the first transmission chain is engaged with the first gear seat, one end of the first transmission chain is connected with the first locking piece of the first fixed lug, the other end of the first transmission chain is connected with the second locking piece of the second fixed lug, the second transmission chain is engaged with the first gear seat, one end of the second transmission chain is connected with the first locking piece of the second fixed lug, the other end of the second transmission chain is connected with the second locking piece of the first fixed lug.

[0007] Preferably, the lifting platform chain synchronization device, further comprising a second gear base, the second gear base is arranged on the top of the moving support frame, and the second gear base is arranged opposite to the first gear base, the first transmission chain is sequentially engaged with the first gear base and the second gear base, and the second transmission chain is sequentially engaged with the first gear base and the second gear base.

[0008] Preferably, the lifting platform chain synchronization device, the first gear base and the second gear base are of the same structure, the first gear base comprises a mounting frame, a first transmission sprocket and a second transmission sprocket, the first transmission sprocket and the second transmission sprocket are in transmission connection with the mounting frame, the first transmission chain is engaged with the first transmission sprocket, and the second transmission chain is engaged with the second transmission sprocket.

[0009] Preferably, the lifting platform chain synchronization device, the bearing platform is provided with a guide wheel frame, and the moving support frame is provided with a guide support frame, the guide wheel frame is in sliding fit connection with the guide support frame.

[0010] Preferably, the lifting platform chain synchronization device, the guide wheel frame comprises a mounting seat and a guide wheel, the mounting seat is arranged on the end face of the bearing platform, the guide wheel is in rotary connection with the mounting seat, and the guide wheel is in sliding fit connection with the slide of the guide support frame.

[0011] Preferably, the lifting platform chain synchronization device, the guide support frame is in the shape of an I-beam.

[0012] The lifting platform chain synchronization device has the following beneficial effects:

[0013] Since the first fixed hanging ear and the second fixed hanging ear are arranged at two ends of the bearing platform, the first transmission chain and the second transmission chain are engaged with the first gear base arranged on the top of the moving support frame, one end of the first transmission chain is connected with the first locking piece of the first fixed hanging ear, the other end of the first transmission chain is connected with the second locking piece of the second fixed hanging ear, one end of the second transmission chain is connected with the first locking piece of the second fixed hanging ear after the first transmission chain is connected, and the other end of the second transmission chain is connected with the second locking piece of the first fixed hanging ear, the design that the first transmission chain and the second transmission chain are alternately connected on the first fixed hanging ear and the second fixed hanging ear can avoid uneven force of the first transmission chain and the second transmission chain when the bearing platform is lifted up and down, and can avoid the problem that the bearing platform is not stable in lifting, and thus, the safety hazard of the staff is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of one embodiment of the utility model;

[0015] Figure 2 Structure diagram of another embodiment of the utility model;

[0016] Figure 3 For Figure 1 Partial enlarged view at A-A in figure 2;

[0017] Figure 4 For Figure 1 Partial enlarged view at B-B in figure 2;

[0018] Figure 5 For Figure 1 Partial enlarged view at C-C in figure 2.

[0019] Wherein: including transfer support frame 11, bearing platform 12, first transmission chain 13, second transmission chain 14, first fixed lug 15, first locking piece 17, second locking piece 18, first gear base 19, second gear base 20, mounting seat 21, first transmission sprocket 22, second transmission sprocket 23, guide wheel frame 24, guide support frame 25, mounting seat 26, guide wheel 27. DETAILED DESCRIPTION

[0020] The embodiments of the utility model are described in detail below, the examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, only for explaining the utility model, and cannot be understood as limiting the utility model.

[0021] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as limiting the utility model.

[0022] In the description of the utility model, it is understood that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0023] In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more than two.

[0024] As Figures 1-5 The utility model discloses a lifting platform chain synchronous device, wherein including transfer support frame 11, bearing platform 12, first drive chain 13 and second drive chain 14, bearing platform 12 is located in the inside of transfer support frame 11, and the one end of bearing platform 12 is provided with first fixed lug 15, and the other end of bearing platform 12 is provided with second fixed lug, and first fixed lug 15 and second fixed lug are provided with first locking piece 17 and second locking piece 18;The top of transfer support frame 11 is equipped with first gear seat 19, and first drive chain 13 is engaged with first gear seat 19, one end of first drive chain 13 is connected with the first locking piece 17 of first fixed lug 15, and the other end of first drive chain 13 is connected with the second locking piece 18 of second fixed lug, and second drive chain 14 is engaged with first gear seat 19, one end of second drive chain 14 is connected with the first locking piece 17 of second fixed lug, and the other end of second drive chain 14 is connected with the second locking piece 18 of first fixed lug 15;Because first fixed lug 15 and second fixed lug are located at the two ends of bearing platform 12 respectively, first drive chain 13 and second drive chain 14 are engaged with the first gear seat 19 provided on the top of transfer support frame 11, one end of first drive chain 13 is connected with the first locking piece 17 of first fixed lug 15, and the other end of first drive chain 13 is connected with the second locking piece 18 of second fixed lug, after first drive chain 13 is connected, one end of second drive chain 14 is connected with the first locking piece 17 of second fixed lug, and the other end of second drive chain 14 is connected with the second locking piece 18 of first fixed lug 15, and the design is connected on first fixed lug 15 and second fixed lug through first drive chain 13 and second drive chain 14 alternately, so that first drive chain 13 and second drive chain 14 avoid uneven stress when driving bearing platform 12 to ascend and descend, and the problem that bearing platform 12 is not stable is caused, therefore, the safety hazard of staff is reduced.

[0025] It is worth mentioning that, wherein further including second gear seat 20, second gear seat 20 is arranged at the top of transfer support frame 11, and second gear seat 20 is oppositely arranged with first gear seat 19, first drive chain 13 is engaged with first gear seat 19 and second gear seat 20 in turn, and second drive chain 14 is engaged with first gear seat 19 and second gear seat 20 in turn, and the design can better carry out chain transmission with first drive chain 13 and second drive chain 14, so that bearing platform 12 is more stable during ascending and descending.

[0026] The lifting platform chain synchronization device in the embodiment, wherein the first gear seat 19 and the second gear seat 20 are the same in structure, the first gear seat 19 comprises a mounting frame 21, a first transmission sprocket 22 and a second transmission sprocket 23, the first transmission sprocket 22 and the second transmission sprocket 23 are in transmission connection with the mounting frame 21, the first transmission chain 13 is in engagement with the first transmission sprocket 22, and the second transmission chain 14 is in engagement with the second transmission sprocket 23; such a design makes one end of the first transmission chain 13 connected with the first locking piece 17 of the first fixed lug 15 of the bearing platform 12, the other end connected with the second locking piece 18 of the second fixed lug, one end of the second transmission chain 14 connected with the first locking piece 17 of the second fixed lug, and the other end connected with the second locking piece 18 of the first fixed lug 15, and through the alternate connection mode and the gear engagement, the first transmission chain 13 and the second transmission chain 14 are synchronized to drive the bearing platform 12, and the reliability of driving the bearing platform 12 is further improved.

[0027] The lifting platform chain synchronization device in some embodiments, wherein the bearing platform 12 is provided with a guide wheel frame 24, the moving support frame 11 is provided with a guide support frame 25, and the guide wheel frame 24 is in sliding fit connection with the guide support frame 25; due to the sliding fit connection between the guide wheel frame 24 provided on the bearing platform 12 and the guide support frame 25 provided on the moving support frame 11, the first transmission chain 13 and the second transmission chain 14 are more smooth when driving the bearing platform 12 to move up and down.

[0028] The lifting platform chain synchronization device in some embodiments, wherein the guide wheel frame 24 comprises a mounting seat 26 and a guide wheel 27, the mounting seat 26 is arranged on the end face of the bearing platform 12, the guide wheel 27 is in rotary connection with the mounting seat 26, and the guide wheel 27 is in sliding fit connection with the slide of the guide support frame 25; wherein the guide support frame 25 is in the shape of an I-beam; such a design realizes the sliding fit connection, and is simple in structure and convenient for subsequent maintenance and installation.

[0029] The technical principle of the utility model is described above in combination with specific embodiments. These descriptions are only for explaining the principle of the utility model, and cannot be explained as the limitation of the protection scope of the utility model in any way. Based on the explanation herein, the person skilled in the art can think of other specific embodiments of the utility model without creative labor, and these embodiments will fall within the protection scope of the utility model.

Claims

1. A chain synchronization device for a lifting platform, characterized in that: The system includes a transfer support frame, a load-bearing platform, a first transmission chain, and a second transmission chain. The load-bearing platform is located inside the transfer support frame. One end of the load-bearing platform is provided with a first fixed lug, and the other end of the load-bearing platform is provided with a second fixed lug. Both the first fixed lug and the second fixed lug are provided with a first locking element and a second locking element. The top of the transfer support frame is provided with a first gear seat, the first transmission chain meshes with the first gear seat, one end of the first transmission chain is connected to the first locking member of the first fixed hook, and the other end of the first transmission chain is connected to the second locking member of the second fixed hook. The second transmission chain meshes with the first gear seat, one end of the second transmission chain is connected to the first locking member of the second fixed lug, and the other end of the second transmission chain is connected to the second locking member of the first fixed lug.

2. The lifting platform chain synchronization device according to claim 1, characterized in that: It also includes a second gear seat, which is disposed on the top of the transfer support frame and is disposed opposite to the first gear seat. The first transmission chain meshes with the first gear seat and the second gear seat in sequence, and the second transmission chain meshes with the first gear seat and the second gear seat in sequence.

3. The lifting platform chain synchronization device according to claim 2, characterized in that: The first gear seat and the second gear seat have the same structure. The first gear seat includes a mounting frame, a first transmission sprocket and a second transmission sprocket. The first transmission sprocket and the second transmission sprocket are connected to the mounting frame in a transmission manner. The first transmission chain meshes with the first transmission sprocket and the second transmission chain meshes with the second transmission sprocket.

4. The lifting platform chain synchronization device according to claim 1, characterized in that: The carrying platform is equipped with a guide wheel frame, and the transfer support frame is equipped with a guide support frame. The guide wheel frame and the guide support frame are slidably connected.

5. The lifting platform chain synchronization device according to claim 4, characterized in that: The guide wheel frame includes a mounting base and a guide wheel. The mounting base is disposed on the end face of the bearing platform. The guide wheel is rotatably connected to the mounting base and slidably connected to the slide rail of the guide support frame.

6. The lifting platform chain synchronization device according to claim 4, characterized in that: The guide support frame is I-shaped.

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