CN210393568U

CN210393568U - Lifting mechanism and lifting device thereof

Info

Publication number: CN210393568U
Application number: CN201920979791.5U
Authority: CN
Inventors: 温正方; 姜成武; 黄伟明; 张桂林
Original assignee: Dongguan Tec Rich Engineering Co Ltd
Current assignee: Dongguan Tec Rich Engineering Co Ltd
Priority date: 2019-06-26
Filing date: 2019-06-26
Publication date: 2020-04-24
Anticipated expiration: 2029-06-26

Abstract

The utility model discloses an elevating system, which comprises a frame, the driving medium, the action wheel, the elevating platform and install in the elevating platform about both sides go up and promote wheel and lower hoisting wheel, the frame has installation department and lower installation department, the elevating platform is located between installation department and the lower installation department and can be along with the relative frame lift of last hoisting wheel with the lift of lower hoisting wheel, the initiating terminal of driving medium is connected in last installation department, the end-to-end connection of driving medium is in installation department down, and the driving medium is around locating the action wheel, go up and promote wheel and lower hoisting wheel, the rotation of action wheel drives the driving medium transmission, make and go up the hoisting wheel and promote the wheel rotation down and relative frame synchronous rising or decline. The utility model discloses a hoist mechanism transmission is stable and can effectively reduce the driving medium load. The utility model discloses still disclose a elevating gear.

Description

Lifting mechanism and lifting device thereof

Technical Field

The utility model relates to a jacking equipment technical field especially relates to a lifting device.

Background

The lifting device is a mechanical device for moving in the vertical direction, and is widely applied to working conditions such as factories, workshops and equipment maintenance scheduling. Generally, the lifting platform is driven by a motor and is connected through a steel wire rope or a transmission chain to realize the vertical lifting or descending function of the lifting platform.

The lifting equipment usually adopts a motor to drive a chain wheel, so as to drive a chain to vertically lift, and the chain is fixedly connected with the lifting platform, thereby realizing the synchronous vertical lifting of the lifting platform. Referring to fig. 1 to 2 of the specification, a conventional lifting apparatus includes a driving chain 10 and a driven chain 20 symmetrically disposed at both sides of the driving chain 10, one driven chain 20 is connected with one side of the lifting platform 30, the other driven chain 20 is connected with the other side of the lifting platform 30, the driving chain 10 and the driven chains 20 are driven by a chain wheel, the rotation of the driving chain 10 drives the driven chains 20 at the two sides to drive at the same time, so that the lifting platform 30 is lifted by pulling both sides of the lifting platform 30, however, this transmission means that at least three independent chains such as the driving chain 10 and the two driven chains 20 are required to lift the lifting platform, since the two driven chains 20 need the middle driving chain 10 for transition, the unbalanced forces on the two sides of the lifting platform 30 are easy to occur, and the risk of tooth jumping occurs during the chain transmission process.

Therefore, there is a need for a lifting mechanism and a lifting device thereof to overcome the above-mentioned drawbacks.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stable and can effectively reduce the elevating system of driving medium load of transmission.

Another object of the present invention is to provide a lifting device which can stably drive and effectively reduce the load of the driving member.

In order to realize the above-mentioned purpose, the utility model discloses an elevating system, it includes frame, driving medium, action wheel, elevating platform and install in the last lifting wheel and the lower lifting wheel of both sides about the elevating platform, the frame has last installation department and lower installation department, the elevating platform is located go up the installation department with can be along with between the installation department down go up the lifting wheel and relative with the lift of lower lifting wheel the frame goes up and down, the initiating terminal of driving medium connect in go up the installation department, the end-to-end connection of driving medium in lower installation department, just the driving medium is around locating the action wheel, go up lifting wheel and lower lifting wheel, the rotation of action wheel drives the driving medium transmission makes go up lifting wheel and lower lifting wheel rotate and relative the frame rises or descends in step.

Compared with the prior art, the lifting mechanism of the utility model is provided with a transmission part, a driving wheel, a lifting platform, an upper lifting wheel and a lower lifting wheel which are arranged at the upper side and the lower side of the lifting platform, the starting end of the transmission part is connected with an upper installation part, the tail end of the transmission part is connected with a lower installation part, the transmission part is wound on the driving wheel, the upper lifting wheel and the lower lifting wheel, the lifting platform is arranged between the upper installation part and the lower installation part and can lift relative to the frame along with the lifting of the upper lifting wheel and the lower lifting wheel, the lifting platform divides the transmission part into an upper part and a lower part, when the lifting platform needs to lift, the rotation of the driving wheel drives the transmission part to transmit, the transmission part of the transmission part enables the upper lifting wheel and the lower lifting wheel to synchronously rotate, along with the rotation of the driving wheel, the, the utility model discloses a lifting mechanism's driving medium forms the structure of ring-opening and this driving medium arranges in the upper and lower both sides of elevating platform, and the lifting of elevating platform just can be realized to the action wheel, last lifting wheel and lower lifting wheel of deuterogamying, has not only simplified the arrangement structure of a plurality of driving mediums on the tradition, has reduced manufacturing cost, and the setting up of a driving medium can realize the synchronous transmission of action wheel, last lifting wheel and lower lifting wheel etc. moreover, thereby makes the atress of elevating platform more even, and the transmission is more stable, avoids appearing the risk of jumping the tooth in the transmission process; in addition, because the upper lifting wheel and the lower lifting wheel are arranged on the upper side and the lower side of the lifting platform, movable pulley structures are formed between the upper lifting wheel and the transmission part and between the lower lifting wheel and the transmission part, the load of the transmission part is effectively reduced by utilizing the characteristics of the movable pulleys, so that the output requirement on an external driving device is reduced, and the cost of the mechanism is effectively controlled.

Preferably, the lifting mechanism further comprises a driving wheel, the starting end of the driving member is connected to the right side of the upper mounting portion, the driving wheel is mounted on the left side of the upper mounting portion, the tail end of the driving member is connected to the right side of the lower mounting portion, the driving wheel is mounted on the left side of the lower mounting portion, and the driving member is further wound on the driving wheel.

Specifically, elevating system still including install in go up the last leading wheel of installation department, the driving medium is still around locating go up the leading wheel.

Specifically, the upper guide wheels are arranged on the upper mounting part at intervals.

Specifically, elevating system still including install in the lower leading wheel of installation department down, the driving medium is still around locating lower leading wheel.

Specifically, the lower guide wheels are arranged on the lower mounting part at intervals.

Preferably, the upper lifting wheels are located at two ends of the upper side of the lifting platform, and the lower lifting wheels are located at two ends of the lower side of the lifting platform.

Preferably, the lifting mechanism further comprises a guide assembly disposed between the frame and the lifting platform.

Specifically, the guide assembly comprises a sliding groove and a sliding block, the sliding groove is arranged on the rack, the sliding block is arranged on the lifting platform, and the sliding groove is in sliding fit with the sliding block.

In order to achieve the above object, the utility model discloses a lifting device, it includes device main part, foretell elevating system and install in the drive arrangement of device main part, elevating system install in the device main part, the action wheel install in drive arrangement's output, the action wheel is in drive arrangement's drive rotates down.

Compared with the prior art, the utility model discloses a lifting device installs in the device main part owing to be provided with foretell elevating system, and the action wheel is installed in drive arrangement's output, and the action wheel rotates under drive arrangement's drive to realize the stable lift of elevating platform and can effectively reduce the output requirement to drive arrangement, with effective control mechanism's cost.

Drawings

Fig. 1 is a front view of a prior art lifting mechanism.

Fig. 2 is a schematic perspective view of a lifting mechanism in the prior art.

Fig. 3 is a front view of the lifting mechanism and the driving device in the lifting device of the present invention.

Fig. 4 is a schematic perspective view of the lifting mechanism and the driving device of the lifting device of the present invention.

Detailed Description

In order to explain technical contents, structural features, implementation principles, and objects and effects of the present invention in detail, the following detailed description is given with reference to the accompanying drawings in combination with the embodiments.

Referring to fig. 3 to 4, the present invention discloses a lifting device, which comprises a device body (not shown), a driving device 2, a lifting mechanism 1 and a guiding assembly 110, wherein the driving device 2 is installed in the device body, the lifting mechanism 1 is installed in the device body, wherein the lifting mechanism 1 comprises a frame 11, a transmission member 12, a driving wheel 13, a lifting platform 14, and an upper lifting wheel 15 and a lower lifting wheel 16 installed on the upper and lower sides of the lifting platform 14, the frame 11 is a rectangular frame structure, the frame 11 has an upper installation part 111 and a lower installation part 112, the lifting platform 14 is located between the upper installation part 111 and the lower installation part 112, the upper lifting wheel 15 is located at the two ends of the upper side of the lifting platform 14, the lower lifting wheel 16 is located at the two ends of the lower side of the lifting platform 14, the upper lifting wheel 15 and the lower lifting wheel 16 are oppositely arranged on the two sides of the same side of the lifting platform 14, because the upper lifting wheel 15 and the lower lifting, the lifting platform 14 can lift relative to the frame 11 along with the lifting of the upper lifting wheel 15 and the lower lifting wheel 16, the starting end of the transmission piece 12 is connected to the upper mounting part 111, the tail end of the transmission piece 12 is connected to the lower mounting part 112, the transmission piece 12 is wound on the driving wheel 13, the upper lifting wheel 15 and the lower lifting wheel 16, the lifting platform 14 divides the transmission piece 12 into an upper part and a lower part, the driving wheel 13 is mounted at the output end of the driving device 2, the driving wheel 13 rotates under the driving of the driving device 2, and the rotation of the driving wheel 13 drives the transmission piece 12 to rotate, so that the upper lifting wheel 15 and the lower lifting wheel 16 synchronously lift or descend relative to the; the guiding assembly 110 is disposed between the frame 11 and the lifting platform 14, and the lifting platform 14 can move up and down more smoothly relative to the frame 11 by the guiding action of the guiding assembly 110. For example, when the lifting platform 14 needs to be lifted, the rotation of the driving wheel 13 drives the transmission member 12 to transmit, the transmission member 12 transmits the driving force to enable the upper lifting wheel 15 and the lower lifting wheel 16 to synchronously rotate, along with the rotation of the driving wheel 13, the upper lifting wheel 15 and the lower lifting wheel 16, the transmission member 12 located at the upper portion of the lifting platform 14 is shortened, correspondingly, the transmission member 12 located at the lower portion of the lifting platform 14 is lengthened, the upper lifting wheel 15 and the lower lifting wheel 16 are synchronously lifted relative to the frame 11 by utilizing the shortening of the upper transmission member 12 and the lengthening of the lower transmission member 12, so as to pull the lifting platform 14 to ascend, thereby obtaining the transmission member 12 forming an open-loop structure and the transmission members 12 are arranged at the upper side and the lower side of the lifting platform 14, and then the driving wheel 13, the upper lifting wheel 15 and the lower lifting wheel 16 are matched to realize the lifting, the production cost is reduced, and the synchronous transmission of the driving wheel 13, the upper lifting wheel 15, the lower lifting wheel 16 and the like can be realized by the arrangement of one transmission piece 12, so that the stress of the lifting platform 14 is more uniform, the transmission is more stable, and the risk of tooth jumping in the transmission process is avoided. Preferably, the driving device 2 is a driving motor, but is not limited thereto. More specifically, the following:

referring to fig. 3 to 4, the lifting mechanism 1 further includes a driving wheel 17, a start end of the driving member 12 is connected to a right side of the upper mounting portion 111, the driving wheel 13 is mounted on a left side of the upper mounting portion 111, a tail end of the driving member 12 is connected to a right side of the lower mounting portion 112, the driving wheel 17 is mounted on a left side of the lower mounting portion 112, the driving member 12 is further wound around the driving wheel 17, the driving wheel 13 is staggered with the upper lifting wheel 15, the driving wheel 17 is staggered with the lower lifting wheel 16, the driving wheel 13 is disposed opposite to the driving wheel 17, and the driving member 12 is sequentially wound around the upper lifting wheel 15, the driving wheel 13, the driving wheel 17 and the lower lifting wheel 16. In other embodiments, the transmission wheel 17 can be deleted, after the transmission wheel 17 is deleted, the driving wheel 13 is installed on the lifting platform 14 and the driving wheel 13 is disposed between the upper lifting wheel 15 and the lower lifting wheel 16, the transmission member 12 is sequentially wound around the upper lifting wheel 15, the driving wheel 13 and the lower lifting wheel 16, the transmission member 12 is shaped like a Chinese character ji, the lifting platform 14 can perform stable lifting motion under the guidance of the guiding assembly 110, and the winding manner of the transmission member 12 is various, so the invention is not limited thereto.

Referring to fig. 3 to 4, the lifting mechanism 1 further includes an upper guide wheel 18 and a lower guide wheel 19, the upper guide wheel 18 is mounted on the upper mounting portion 111, the lower guide wheel 19 is mounted on the lower mounting portion 112, the transmission member 12 is further wound around the upper guide wheel 18 and the lower guide wheel 19, the upper guide wheel 18 and the lower guide wheel 19 are disposed to not only achieve stable transmission of the transmission member 12, but also enable a manufacturer to adjust a transmission direction of the transmission member 12 through the upper guide wheel 18 and the lower guide wheel 19. Specifically, the upper guide wheel 18 is staggered with the upper lifting wheel 15, the upper guide wheel 18 is located between two adjacent upper lifting wheels 15, the upper guide wheels 18 are arranged on the upper mounting portion 111 at intervals and located on the same horizontal line, the lower guide wheel 19 is staggered with the lower lifting wheel 16, the lower guide wheel 19 is located between two adjacent lower lifting wheels 16, the lower guide wheel 19 is arranged on the lower mounting portion 112 at intervals and located on the same horizontal line, preferably, the transmission member 12 is sequentially wound on the lower side of the lifting wheel 15 located above the right side, the upper side of the upper guide wheel 18, the lower side of the lifting wheel 15 located above the left side, the upper side of the driving wheel 13, the lower side of the transmission wheel 17, the upper side of the lifting wheel 16 located below the left side, the lower side of the lower guide wheel 19 and the upper side of the lifting wheel 16 located below the right side, so as to form transmission to realize the lifting of the lifting platform 14, it can be understood that a producer can adjust as required, and is not limited thereto. Preferably, the driving wheel 13, the upper lifting wheel 15, the upper guide wheel 18, the transmission wheel 17, the lower guide wheel 19 and the lower lifting wheel 16 are chain wheels, and the transmission member 12 is a chain, but not limited thereto.

Referring to fig. 3 to 4, for example, the guiding assembly 110 includes a sliding groove 110a and a sliding block 110b, the sliding groove 110a is mounted on the frame 11, the sliding block 110b is mounted on the lifting platform 14, and the sliding groove 110a and the sliding block 110b are in sliding fit, so that the lifting platform 14 can perform a smoother lifting motion, and the lifting platform 14 can be effectively prevented from generating a position deviation. Preferably, the sliding block 110b and the sliding groove 110a are disposed in two and symmetrically disposed at two sides of the frame 11, and of course, the manufacturer may adjust the guiding assembly 110 to other guiding structures, so the invention is not limited thereto.

The working process of the lifting device of the present invention is described in detail with reference to fig. 3 to 4, as follows:

when the lifting platform 14 needs to be lifted, the driving device 2 drives the driving wheel 13 to rotate in the counterclockwise direction (the counterclockwise direction is the direction indicated by the arrow a in fig. 3), the rotation of the driving wheel 13 drives the transmission member 12 to transmit, because the transmission member 12 sequentially winds the upper lifting wheel 15, the upper guide wheel 18, the upper lifting wheel 15 on the left side, the driving wheel 13, the transmission wheel 17, the lower lifting wheel 16 on the left side, the lower guide wheel 19 and the lower lifting wheel 16 on the right side, the transmission of the transmission member 12 enables the upper lifting wheel 15 on the right side, the upper guide wheel 18, the upper lifting wheel 15 on the left side, the transmission wheel 17, the lower lifting wheel 16 on the left side, the lower guide wheel 19 and the lower lifting wheel 16 on the right side to synchronously transmit, and along with the rotation of the driving wheel 13, the upper lifting wheel 15, the upper guide wheel 18, the transmission wheel 17, the lower guide wheel, correspondingly, when the transmission piece 12 located at the lower part of the lifting platform 14 is lengthened, the upper lifting wheel 15 and the lower lifting wheel 16 synchronously ascend relative to the frame 11 by utilizing the shortening of the upper transmission piece 12 and the lengthening of the lower transmission piece 12, so that the lifting platform 14 is pulled to ascend;

when the lifting platform 14 needs to be lowered, the driving device 2 drives the driving wheel 13 to rotate clockwise (clockwise is the reverse direction indicated by arrow a in fig. 3), the rotation of the driving wheel 13 drives the transmission member 12 to transmit, the transmission member 12 transmits the right upper lifting wheel 15, the upper guide wheel 18, the left upper lifting wheel 15, the transmission wheel 17, the left lower lifting wheel 16, the lower guide wheel 19 and the right lower lifting wheel 16 synchronously, and the transmission member 12 located at the upper part of the lifting platform 14 is lengthened along with the rotation of the driving wheel 13, the upper lifting wheel 15, the upper guide wheel 18, the transmission wheel 17, the lower guide wheel 19 and the lower lifting wheel 16, correspondingly, the transmission member 12 located at the lower part of the lifting platform 14 is shortened, and the upper lifting wheel 15 and the lower lifting wheel 16 are synchronously lowered relative to the frame 11 by the increase of the upper transmission member 12 and the shortening of the lower transmission member 12, so that the lifting platform 14 is pulled to be lowered.

The lifting mechanism 1 of the utility model is provided with a transmission part 12, a driving wheel 13, a lifting platform 14, an upper lifting wheel 15 and a lower lifting wheel 16 which are arranged at the upper side and the lower side of the lifting platform 14, the initial end of the transmission part 12 is connected with an upper mounting part 111, the terminal end of the transmission part 12 is connected with a lower mounting part 112, the transmission part 12 is wound on the driving wheel 13, the upper lifting wheel 15 and the lower lifting wheel 16, the lifting platform 14 is arranged between the upper mounting part 111 and the lower mounting part 112 and can lift relative to a frame 11 along with the lifting of the upper lifting wheel 15 and the lower lifting wheel 16, the lifting platform 14 divides the transmission part 12 into an upper part and a lower part, when the lifting platform 14 needs to lift, the rotation of the driving wheel 13 drives the transmission part 12 to transmit, the transmission part 12 enables the upper lifting wheel 15 and the lower lifting wheel 16 to synchronously rotate along with the driving wheel 13, the rotation of the, correspondingly, when the transmission member 12 located at the lower part of the lifting platform 14 is lengthened, the upper lifting wheel 15 and the lower lifting wheel 16 are synchronously lifted relative to the frame 11 by the shortening of the upper transmission member 12 and the lengthening of the lower transmission member 12, thereby pulling the lifting platform 14 to rise, and therefore, the driving member 12 of the lifting mechanism 1 of the utility model forms an open-loop structure, and the driving member 12 is arranged at the upper and lower sides of the lifting platform 14, and then the driving wheel 13, the upper lifting wheel 15 and the lower lifting wheel 16 are matched to realize the lifting of the lifting platform 14, thereby not only simplifying the arrangement structure of a plurality of driving members 12 in the prior art and reducing the production cost, and the arrangement of one transmission member 12 can realize the synchronous transmission of the driving wheel 13, the upper lifting wheel 15, the lower lifting wheel 16 and the like, therefore, the stress of the lifting table 14 is more uniform, the transmission is more stable, and the risk of tooth jumping in the transmission process is avoided; in addition, because the upper lifting wheel 15 and the lower lifting wheel 16 are arranged on the upper side and the lower side of the lifting platform 14, movable pulley structures are formed between the upper lifting wheel 15 and the transmission piece 12 and between the lower lifting wheel 16 and the transmission piece 12, the load of the transmission piece 12 is effectively reduced by utilizing the characteristics of the movable pulleys, so that the output requirement on the external driving device 2 is reduced, and the cost of the mechanism is effectively controlled.

It should be noted that the above-mentioned left-right direction and front-back direction are the directions in which the user stands in front of the frame 11 and faces forward, the left side of the user is the left side, the right side of the user is the right side, the upper side of the user is the upper side, and the lower side of the user is the lower side.

The above disclosure is only a preferred embodiment of the present invention, and certainly, the scope of the present invention should not be limited thereto, and therefore, the scope of the present invention is not limited to the above embodiments.

Claims

1. The utility model provides a lifting mechanism, its characterized in that, include frame, driving medium, action wheel, elevating platform and install in the last lifting wheel and the lower lifting wheel of both sides about the elevating platform, the frame has installation department and lower installation department, the elevating platform is located go up the installation department with can be along with between the installation department down go up lifting wheel and lower lifting wheel's lift and relative the frame goes up and down, the initiating terminal of driving medium connect in go up the installation department, the end-to-end connection of driving medium in the installation department down, just the driving medium is around locating the action wheel, go up lifting wheel and lower lifting wheel, the rotation of action wheel drives the driving medium transmission makes go up lifting wheel and lower lifting wheel rotate and relative the frame rises or descends in step.

2. The lifting mechanism as claimed in claim 1, further comprising a driving wheel, wherein the driving wheel is connected to the right side of the upper mounting portion at the beginning end thereof, the driving wheel is mounted to the left side of the upper mounting portion, the driving wheel is connected to the right side of the lower mounting portion at the end thereof, the driving wheel is mounted to the left side of the lower mounting portion, and the driving wheel is further wound around the driving wheel.

3. The lifting mechanism as claimed in claim 2, further comprising an upper guide wheel mounted to the upper mounting portion, wherein the transmission member is further wound around the upper guide wheel.

4. The lift mechanism of claim 3, wherein the upper guide wheels are spaced apart from the upper mounting portion.

5. The lifting mechanism according to claim 2, further comprising a lower guide wheel mounted to the lower mounting portion, wherein the transmission member is further wound around the lower guide wheel.

6. The lift mechanism of claim 5, wherein the lower guide wheels are spaced apart from the lower mounting portion.

7. The lift mechanism of claim 1, wherein the upper lift wheels are located at both ends of an upper side of the lift table and the lower lift wheels are located at both ends of a lower side of the lift table.

8. The lift mechanism of claim 1, further comprising a guide assembly disposed between the frame and the lift table.

9. The lift mechanism of claim 8, wherein the guide assembly includes a runner mounted to the frame and a block mounted to the lift table, the runner being in sliding engagement with the block.

10. A lifting device comprising a device body and a driving device mounted on the device body, characterized by further comprising the lifting mechanism of any one of claims 1 to 9, wherein the lifting mechanism is mounted on the device body, the driving wheel is mounted on an output end of the driving device, and the driving wheel is driven by the driving device to rotate.