CN216711466U

CN216711466U - Unpowered lifting device

Info

Publication number: CN216711466U
Application number: CN202220416230.6U
Authority: CN
Inventors: 陈岗; 陈瓅; 孙斌; 平丹丹
Original assignee: SAIC Volkswagen Automotive Co Ltd
Current assignee: SAIC Volkswagen Automotive Co Ltd
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-06-10
Anticipated expiration: 2032-02-28

Abstract

The utility model relates to an unpowered lifting device. The unpowered lifting device comprises a platform frame, a pedal, a material box tray and an empty box tray; the first pulley block comprises a first fixed pulley and a first movable pulley arranged below the first fixed pulley; the second pulley block comprises a second fixed pulley and is fixedly arranged on the platform frame; the third pulley block comprises a third fixed pulley and is fixedly arranged on the platform frame; the first rope is wound on the first pulley block and the second pulley block in a penetrating way, one end of the first rope is fixed on the pedal or the platform frame, and the other end of the first rope is fixed on the material box tray; and the second rope is wound on the third pulley block in a penetrating manner, one end of the second rope is fixed on the bin tray, and the other end of the second rope is fixed on the empty bin tray. The utility model provides an unpowered lifting device which does not need energy power, is convenient for carrying a material box and has low input cost.

Description

Unpowered lifting device

Technical Field

The utility model relates to the technical field of mechanical structure manufacturing, in particular to an unpowered lifting device.

Background

When the automobile door hinge is processed, the hinge bin needs to be carried up and down, the weight of materials is large, the lifting height is high, manual carrying for going up and down stairs consumes more physical power and time, the man-machine engineering is poor, and risks exist;

when the electric winch or the electric lifter is used for lifting and carrying the workbin, a power source and a supporting bracket structure need to be independently arranged, and the input cost is high.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model provides an unpowered lifting device which does not need energy power, is convenient for carrying a material box and has low investment cost.

Specifically, the utility model provides an unpowered lifting device, comprising:

the platform frame comprises a plurality of stand columns and horizontal brackets arranged among the stand columns;

the device comprises a pedal, a bin tray and an empty bin tray;

the first pulley block comprises a first fixed pulley and a first movable pulley arranged below the first fixed pulley, the first fixed pulley is fixedly arranged on the horizontal support, and the first movable pulley is fixedly arranged on the pedal;

the second pulley block comprises a second fixed pulley and is fixedly arranged on the platform frame;

the third pulley block comprises a third fixed pulley and is fixedly arranged on the platform frame;

the first rope is wound on the first pulley block and the second pulley block in a penetrating mode, one end of the first rope is fixed to the pedal or the platform frame, and the other end of the first rope is fixed to the bin tray;

the second rope is wound on the third pulley block in a penetrating mode, one end of the second rope is fixed to the bin tray, and the other end of the second rope is fixed to the empty bin tray;

pressing the pedal to enable the first movable pulley to be far away from the first fixed pulley, lifting the other end of the first rope to drive the bin tray to be lifted upwards, enabling one end of the second rope to rise along with the first movable pulley, and enabling the empty bin tray to pull the other end of the second rope to descend under the action of self weight; and lifting the pedal to enable the first movable pulley to be upwards close to the first fixed pulley, driving the other end of the first rope to descend under the action of gravity, driving one end of the second rope to descend along with the other end of the second rope, and driving the empty box tray to ascend through the other end of the second rope.

According to an embodiment of the utility model, the second pulley block is arranged between the first pulley block and the third pulley block in a horizontal direction.

According to one embodiment of the utility model, the first pulley block is lower than the second and third pulley blocks in a vertical direction.

According to one embodiment of the utility model, the second and third pulley sets are of equal height.

According to one embodiment of the utility model, a bin chute is arranged on the platform frame, one end of the bin chute is arranged at the edge of the platform frame, and the other end of the bin chute is inclined upwards and is close to the top position of the bin tray on the vertical moving stroke; still be equipped with the empty case slide on the platform frame, the one end setting of empty case slide is in the edge of platform frame, the other end downward sloping is close the top position of empty case tray on the vertical migration stroke.

According to one embodiment of the utility model, a vertical slide way is arranged on the upright post, a slide block is arranged on the pedal, the slide block is in sliding fit with the vertical slide way, and the pedal slides along the length direction of the upright post through the slide block.

According to one embodiment of the utility model, the sliding blocks are embedded at the four corners of the pedal.

According to an embodiment of the utility model, the first pulley block comprises a plurality of first fixed pulleys and a corresponding number of second fixed pulleys, and the first rope is wound on the first fixed pulleys and the second fixed pulleys in an up-and-down serpentine shape.

According to one embodiment of the utility model, said second set of pulleys comprises at least two of said second fixed pulleys arranged in a horizontal direction so as to space said pedals and bin tray from each other in a horizontal direction.

According to one embodiment of the utility model, said third set of pulleys comprises at least two of said third fixed pulleys arranged in a horizontal direction so as to space said bin tray and empty bin tray from each other in a horizontal direction.

The unpowered lifting device provided by the utility model improves the human engineering by utilizing the pulley block structure, does not need energy power, is convenient for carrying the material box and has low investment cost.

It is to be understood that both the foregoing general description and the following detailed description of the present invention are exemplary and explanatory and are intended to provide further explanation of the utility model as claimed.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the principle of the utility model. In the drawings:

fig. 1 shows a schematic diagram of the structure of an unpowered lifting device according to an embodiment of the utility model.

Fig. 2 is a partially enlarged schematic view of fig. 1.

Fig. 3 shows a state diagram of the use of the unpowered lifting device of one embodiment of the utility model.

Wherein the figures include the following reference numerals:

unpowered lifting device 100

Column 101

Horizontal support 102

Pedal 103

Work bin tray 104

Empty box tray 105

First fixed pulley 106

First movable pulley 107

Second fixed pulley 108

Third fixed pulley 109

First rope 110

Second rope 111

Hopper chute 112

Empty box chute 113

Vertical chute 114

Slider 115

Vertical support 116

Feed box 117

Empty box 118

Staff 119

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … … surface," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited. Further, although the terms used in the present application are selected from publicly known and used terms, some of the terms mentioned in the specification of the present application may be selected by the applicant at his or her discretion, the detailed meanings of which are described in relevant parts of the description herein. Further, it is required that the present application is understood not only by the actual terms used but also by the meaning of each term lying within.

Fig. 1 shows a schematic diagram of the structure of an unpowered lifting device according to an embodiment of the utility model. Fig. 2 is a partially enlarged schematic view of fig. 1. As shown, an unpowered lifting device 100 mainly comprises a platform frame, a pedal 103, a bin tray 104, an empty bin tray 105, a first pulley block, a second pulley block, a third pulley block, a first rope 110 and a second rope 111.

The platform frame comprises a plurality of upright posts 101 and horizontal brackets 102 arranged between the upright posts 101.

The first pulley block comprises a first fixed pulley 106 and a first movable pulley 107 arranged below the first fixed pulley 106. The first fixed pulley 106 is fixedly arranged on the horizontal bracket 102, and the first movable pulley 107 is fixedly arranged on the pedal 103.

The second pulley block comprises a second fixed pulley 108, and the second fixed pulley 108 is fixedly arranged on the platform frame.

The third pulley block comprises a third fixed pulley 109, and the third fixed pulley 109 is fixedly arranged on the platform frame.

The first rope 110 is threaded around the first pulley block and the second pulley block. The first cable 110 is secured at one end to the tread 103 or platform shelf and at the other end to the bin tray 104.

A second rope 111 is threaded around the third pulley block. The second rope 111 has one end fixed to the bin tray 104 and the other end fixed to the empty bin tray 105.

It will be readily appreciated that, as illustrated, two sets of the first to third pulley blocks, and two sets of the first and

second ropes

110 and 111 are symmetrically disposed on the front and rear sides of the platform frame. The symmetrical arrangement ensures that the other end of the first rope 110 and one end of the second rope 111 are fixedly connected to both sides of the bin tray 104, and the bin tray 104 can be lifted or lowered in a substantially horizontal position by the traction of the first rope 110 or the second rope 111. Likewise, the other end of the second rope 111 is disposed on both sides of the empty box tray 105 to ensure that the empty box tray 105 is maintained in a substantially horizontal position to be raised or lowered.

In actual operation, the pedal 103 is depressed, moving the first movable pulley 107 downward, away from the first fixed pulley 106. The first rope 110 passing through the first pulley block is extended, and then the other end of the first rope 110 is pulled to lift, so as to drive the bin tray 104 to lift upwards. One end of the second rope 111 rises following the bin tray 104, and the empty bin tray 105 pulls the other end of the second rope 111 down by its own weight. Conversely, the step 103 is lifted, causing the first movable pulley 107 to move upwards, gradually approaching the first fixed pulley 106. The bin tray 104 drives the other end of the first rope 110 to descend under the action of gravity, and the first rope 110 wound on the first pulley block is shortened. One end of the second rope 111 descends along with the bin tray 104, and the other end of the second rope 111 is pulled to drive the empty bin tray 105 to ascend.

Specifically, during operation of the unpowered lifting device 100, the pedals 103 and the empty bin tray 105 travel in a direction opposite to the direction of travel of the bin tray 104. When the pedals 103 and the empty bin tray 105 move upward, the bin tray 104 moves downward. And when the pedals 103 and the empty bin tray 105 move downward, the bin tray 104 moves upward. Typically bin tray 104 is used to carry bins with car door hinges, while empty bin tray 105 is used to carry empty bins, i.e. empty bins without car parts. The unpowered lifting device 100 has the function of conveying the material box provided with the automobile door hinge upwards and conveying the empty material box downwards.

Preferably, the second pulley block is arranged between the first pulley block and the third pulley block in the horizontal direction. Since the bin tray 104 connects the other end of the first rope 110 and one end of the second rope 111, this structural arrangement enables the bin tray 104 to be arranged between the step plate 103 and the empty bin tray 105 in the horizontal direction.

Preferably, the first pulley block is lower than the second pulley block and the third pulley block in the vertical direction. The first set of pulleys is generally arranged on the ground and the second and third sets of pulleys are arranged at a higher level, facilitating the transfer of the bin tray 104 and the empty bin tray 105, respectively, to a higher or higher level of the floor.

Preferably, the second pulley block and the third pulley block are equal in height, so that the second pulley block and the third pulley block can be conveniently assembled. As shown in fig. 1, a plurality of vertical supports 116 extending downward may be provided on the platform frame, and the second fixed pulley 108 and the third fixed pulley 109 are provided on the vertical supports 116.

Preferably, a bin chute 112 is provided on the platform shelf. One end of the bin chute 112 is arranged at the edge of the platform frame, so that the bin chute can be conveniently butted with a bin conveying interface arranged outside the platform frame. The other end of the bin chute 112 is inclined upwardly and near the top of the bin tray 104 on the vertical travel. The bin chute 112 may be secured to the plurality of columns 101 by screws. When the bin tray 104 carrying the automobile parts runs to the top of the travel of the bin tray, the height of the bin tray 104 is basically equal to that of the other end of the bin chute 112, a worker can push the bin into the bin chute 112, and the bin slides along the length direction of the bin chute 112 under the action of the gravity of the worker and is conveyed into the bin conveying interface. An empty box slideway 113 is also arranged on the platform frame. One end of the empty box slideway 113 is arranged at the edge of the platform frame, so that the empty box conveying interface arranged outside the platform frame can be conveniently butted. The other end of the empty box chute 113 is inclined downward and approaches the top position of the empty box tray 105 on the vertical movement stroke. The empty box chute 113 may be fixed to the plurality of columns 101 by screws. When the empty box tray 105 moves to the top position of the travel, the empty box is close to the other end of the empty box slide way 113, the empty box falls into the empty box slide way 113 from the empty box conveying interface, and the empty box slides along the length direction of the empty box slide way 113 under the action of self gravity and finally falls onto the empty box tray 105.

Referring to fig. 2, vertical runners 114 are preferably provided on the columns 101 of the platform shelf. The pedal 103 is provided with a sliding block 115, the sliding block 115 is in sliding fit with the vertical slideway 114, and the pedal 103 slides along the length direction of the upright post 101 through the sliding block 115. More preferably, the sliding blocks 115 are embedded at four corners of the pedal 103. Referring to fig. 1, vertical slideways 114 are respectively arranged on four upright posts 101 of the platform frame, four corners of the pedal 103 are respectively embedded with a sliding block 115, and the four corners of the pedal 103 are in up-and-down sliding fit with the four upright posts 101 through the respective sliding blocks 115. Furthermore, a limiting mechanism is arranged on the upright 101, so as to prevent the pedal 103 from sliding down excessively and enable the bin tray 104 to rise to a specified height.

Preferably, the first pulley set comprises a plurality of first fixed pulleys 106 and a plurality of second fixed pulleys 108 corresponding to the number of the first fixed pulleys 106. Referring to fig. 1, two first fixed pulleys 106 are fixed to the horizontal support 102 on one side of the platform frame, and two second fixed pulleys 108 are fixed to the step plate 103. One end of the first rope 110 is fixed to the step 103, and the first rope 110 is wound in an up-and-down serpentine shape around the first fixed pulley 106 and the second fixed pulley 108. When the step 103 is moved downward, the first movable sheave 107 moves away from the first fixed sheave 106, so that the length of the first rope 110 wound in a serpentine shape around the first fixed sheave 106 and the second fixed sheave 108 increases, and the increased length is the lifting height of the other end of the first rope 110. As will be readily understood, if more first movable pulleys 107 and first fixed pulleys 106 are provided, the length of the first rope 110 passing between the first fixed pulleys 106 and the first movable pulleys 107 is increased in the case where the step 103 travels downward by the same distance, so that the other end of the first rope 110 can lift the bin tray 104 to a higher height. In other words, by setting the number of pulleys of the first wheel changing set, the pedals can obtain a larger vertical stroke of the bin tray and the empty bin tray with a smaller vertical stroke.

Preferably, the second pulley set comprises at least two second fixed pulleys 108 arranged along the horizontal direction, so that the pedal 103 and the bin tray 104 are spaced from each other along the horizontal direction, and the bin tray 104 is prevented from colliding with the pedal 103 during the lifting process.

Preferably, the third pulley set comprises at least two third fixed pulleys 109 arranged along the horizontal direction, so that the bin tray 104 and the empty bin tray 105 are spaced from each other along the horizontal direction, and the bin tray 104 is prevented from colliding with the empty bin tray 105 during the lifting process.

Fig. 3 shows a state diagram of the use of the unpowered lifting device of one embodiment of the utility model. As shown, a bin 117 containing automobile parts may be placed on the bin tray 104. At this time, the worker 119 may stand on the step 103, and press the step 103 by the weight of the worker 119. The pedal 103 is in sliding fit with the upright 101 through the sliding block 115, and the first movable pulley 107 is driven by the descending of the pedal 103 to move downwards. The first movable pulley 107 is away from the first fixed pulley 106 on the horizontal bracket 102 in the vertical direction. The first rope 110 threaded on the first pulley block is extended, so that the other end of the first rope 110 is pulled to be lifted, and the other end of the first rope 110 drives the bin tray 104 to be lifted upwards. The empty bin tray 105 pulls the other end of the second rope 111 to descend under the self-weight action, and pulls one end of the second rope 111 to ascend along with the bin tray 104. When the bin tray 104 is lifted to be basically level with the height of the other end of the bin chute 112, the bin tray stops, the bin 117 can be pushed to enter the bin chute 112, and the bin 117 slides along the length direction of the bin chute 112 under the action of the gravity of the bin tray and is sent to a bin conveying interface outside the platform frame on the left side. The empty pallet 105 loaded with the empty box 118 accordingly reaches the bottom of the travel, and the operator 119 can perform the empty box 118 recovery. Since the bin tray 104 and the empty bin tray 105 are both empty at present, it is easy to lift the step 103, and as the step 103 moves upward, the first movable pulley 107 moves upward and gradually approaches the first fixed pulley 106. The bin tray 104 drives the other end of the first rope 110 to descend under the action of gravity, and the first rope 110 wound on the first pulley block is naturally shortened. One end of the second rope 111 descends along with the bin tray 104, and the other end of the second rope 111 is pulled to drive the empty bin tray 105 to ascend. When the bin tray 104 reaches the bottom of its travel, the worker 119 loads the bin 117 with the automobile parts loaded thereon onto the bin tray 104. Meanwhile, the empty box tray 105 runs to the top of the stroke of the empty box tray, so that the empty box tray 105 is close to the other end of the empty box slide way 113, the empty box 118 falls into the empty box slide way 113 from the empty box conveying interface, and the empty box 118 slides along the length direction of the empty box slide way 113 under the action of self gravity and finally falls onto the empty box tray 105. The staff 119 can stand on the footplate 103 again and the above steps are repeated to achieve an upward transfer of the bin 117 and a downward transfer of the empty bin 118.

The unpowered lifting device provided by the utility model is based on a plurality of pulley blocks, utilizes the principles of levers, gravity and the like, realizes unpowered lifting of materials through mechanical structure design, reduces the production cost, can realize rapid feeding and discharging of a material box by matching with the structural design of a slide on a platform, and improves the feeding efficiency.

It will be apparent to those skilled in the art that various modifications and variations can be made to the above-described exemplary embodiments of the present invention without departing from the spirit and scope of the utility model. Thus, it is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.

Claims

1. An unpowered lifting device, comprising:

the device comprises a pedal, a bin tray and an empty bin tray;

2. The unpowered lifting device of claim 1, wherein the second pulley block is disposed between the first pulley block and a third pulley block in a horizontal direction.

3. An unpowered lifting device according to claim 2 wherein the first pulley block is vertically lower than the second and third pulley blocks.

4. The unpowered lifting device of claim 3, wherein the second and third pulley blocks are of equal height.

5. The unpowered lifting device according to claim 1, wherein a bin chute is provided on the platform frame, one end of the bin chute is arranged at the edge of the platform frame, and the other end of the bin chute is inclined upwards and close to the top position of the bin tray on the vertical moving stroke; still be equipped with the empty case slide on the platform frame, the one end setting of empty case slide is in the edge of platform frame, the other end downward sloping is close the top position of empty case tray on the vertical migration stroke.

6. The unpowered lifting device according to claim 1, wherein a vertical slide is provided on the upright, and a slider is provided on the pedal, the slider being in sliding engagement with the vertical slide, the pedal being slidable along a length of the upright via the slider.

7. The unpowered lifting device of claim 6 wherein the blocks are nested at the corners of the pedal.

8. The unpowered lifting device of claim 1, wherein the first pulley block comprises a plurality of first fixed pulleys and a corresponding number of second fixed pulleys, and the first rope is wound on the first fixed pulleys and the second fixed pulleys in an up-and-down serpentine shape.

9. The unpowered lifting device of claim 1 wherein the second set of pulleys includes at least two of the second fixed pulleys arranged in a horizontal direction to space the pedals and bin tray horizontally from each other.

10. The unpowered lifting device of claim 1 wherein the third set of pulleys includes at least two of the third fixed pulleys arranged in a horizontal direction to space the bin tray and empty bin tray horizontally from each other.