CN211946102U

CN211946102U - Lifting device and robot

Info

Publication number: CN211946102U
Application number: CN202020099033.7U
Authority: CN
Inventors: 邬栋; 秦宇
Original assignee: Cloudminds Beijing Technologies Co Ltd
Current assignee: Cloudminds Beijing Technologies Co Ltd
Priority date: 2020-01-16
Filing date: 2020-01-16
Publication date: 2020-11-17
Anticipated expiration: 2030-01-16

Abstract

The utility model relates to the field of machinary, a lifting device and robot is disclosed. Wherein, lifting device includes: the base is provided with a bearing piece connected with the base; the base comprises a shell and a power mechanism arranged on the shell, the power mechanism comprises a first guide rail and a moving part movably arranged on the first guide rail, and the moving part and the supporting part are connected through a connecting piece; when the moving piece moves along the first guide rail, the connecting piece drives the supporting piece to move along the lifting direction, and the included angle between the lifting direction and the extending direction of the first guide rail is larger than 45 degrees. Compared with the prior art, the utility model discloses the lifting devices and the robot that embodiment provided have the advantage that can effectual reduction needs the space that occupies.

Description

Lifting device and robot

Technical Field

The utility model relates to the field of machinary, in particular to lifting device and robot.

Background

At present, with the gradual depletion of traditional energy sources such as fossil energy, new energy sources such as electric energy and the like are more and more widely applied in various fields. The use of electric energy usually requires the use of a battery for storing electric energy, but the battery that can be stored in the conventional battery is very limited due to the limitation of technical capability, and therefore, after a certain period of operation (the cruising ability of the apparatus), the operation is stopped, and the battery is charged or replaced. And the battery can be fully charged in at least one hour by adopting a charging mode, so that the operation efficiency is greatly influenced, and the better method is to directly replace the battery. Mechanical equipment among the prior art, like robot etc. its battery all sets up inside the structure, need come out the battery bearing and just can be convenient for change when changing the battery.

However, the inventor of the present invention has found that if a lifting device in the prior art wants to reach a larger lift, a guide rail of the corresponding lift needs to be set, so that the lifting device moves along the guide rail. However, the supporting mechanism thus provided needs to occupy a large space, and cannot be arranged in a narrow space.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model provides a lifting device and robot, space that can effectual reduction needs to occupy.

In order to solve the above technical problem, an embodiment of the present invention provides a lifting device, including: the base is provided with a bearing piece connected with the base; the base comprises a shell and a power mechanism arranged on the shell, and the power mechanism comprises a first guide rail and a moving part movably arranged on the first guide rail; the moving piece and the supporting piece are connected through a connecting piece, when the moving piece moves along the first guide rail, the moving piece drives the supporting piece to move along the lifting direction through the connecting piece, and the included angle between the lifting direction and the extending direction of the first guide rail is larger than 45 degrees.

The utility model discloses an embodiment still provides a robot, including drive wheel and like aforementioned lifting devices, the drive wheel set up in the bottom of base is used for the drive the robot removes.

The utility model discloses embodiment is when moving along first guide rail for prior art, and the moving member drives the supporting piece via the connecting piece and removes along lifting direction, because lifting direction is greater than 45 with the contained angle of the extending direction of first guide rail, consequently first guide rail can set up in the inside of casing, need not to extend to the outside to need not to occupy extra space, can effectual reduction need the space that occupies.

In addition, the connecting piece comprises a first swing rod and a second swing rod which are rotatably connected; one end of the first swing rod is rotatably connected to the moving piece, and the other end of the first swing rod is rotatably connected with the supporting piece; one end of the second swing rod is rotatably connected to the shell, and the other end of the second swing rod is connected with the first swing rod. Because the first swing rod and the second swing rod are rotatably connected, when one end of the first swing rod moves along with the moving member, the connecting part of the first swing rod and the second swing rod can be driven to move towards the lifting direction, so that the supporting member is driven to move along the lifting direction, and a specific structure of the connecting member is provided.

In addition, the first swing link comprises a body part and a first rotating shaft arranged on the body part; the second swing rod is rotatably sleeved on the first rotating shaft.

In addition, the first swing rod comprises a first rod body which is rotatably connected to the moving piece, a second rod body which is rotatably connected to the supporting piece and a connecting shaft which is fixedly connected with the first rod body and the second rod body; the second swing rod is rotatably sleeved on the connecting shaft.

In addition, the first rod body, the second swing rod and the second rod body are sequentially sleeved on the connecting shaft. The second swing rod is arranged between the first rod body and the second rod body, so that the stress of the connecting shaft is more uniform, the connecting shaft is prevented from being damaged due to uneven stress, and the service life of the lifting device is prolonged.

In addition, the included angle between the first rod body and the second rod body is larger than 90 degrees and smaller than 150 degrees. The included angle between the first rod body and the second rod body is larger than 90 degrees and smaller than 150 degrees, the force conversion efficiency can be improved, and the working efficiency of the lifting device is improved.

In addition, the moving part comprises a moving platform movably arranged on the first guide rail and a second rotating shaft arranged on the moving platform; one end of the first swing rod is rotatably sleeved on the second rotating shaft.

In addition, the lifting device also comprises a second guide rail arranged on the supporting piece and a second rotating shaft capable of moving along the second guide rail, wherein the extending direction of the second guide rail is vertical to the lifting direction; the first swing rod is rotatably arranged on the third rotating shaft. The second guide rail is arranged, and the second rotating shaft is movably arranged on the second guide rail, so that the component force of the first swing rod in the direction of the second guide rail can be effectively eliminated, the situation that the first swing rod is pressed on the second rotating shaft by the component force and is difficult to rotate is avoided, and the use efficiency of the lifting device is improved.

In addition, the extending direction of the first guide rail is perpendicular to the lifting direction of the supporting piece.

Drawings

Fig. 1 is a schematic structural diagram of a lifting device according to a first embodiment of the present invention;

fig. 2 is a schematic structural view of a part of a lifting apparatus according to a first embodiment of the present invention;

fig. 3 is a schematic structural diagram of a power mechanism in a lifting device according to a first embodiment of the present invention;

fig. 4 is a schematic structural diagram of a lifting device according to a second embodiment of the present invention;

fig. 5 is a schematic structural diagram of a lifting device according to a third embodiment of the present invention;

fig. 6 is a schematic structural diagram of a robot according to a fourth embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the following will explain in detail each embodiment of the present invention with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that in various embodiments of the invention, numerous technical details are set forth in order to provide a better understanding of the present application. However, the technical solution claimed in the present application can be implemented without these technical details and various changes and modifications based on the following embodiments.

A first embodiment of the present invention relates to a lifting device, as shown in fig. 1, including: a base 10 and a support 20 connected to the base 10. As shown in fig. 2, the power mechanism 12 includes a first guide rail 121 and a moving member 122 movably disposed on the first guide rail 121, and the moving member 122 and the supporting member 20 are connected via a connecting member 30.

When the power mechanism 12 drives the moving member 122 to move along the first guide rail 121, the supporting member 20 is driven by the connecting member 30 to move along the lifting direction (a direction in fig. 2). Wherein, the angle between the lifting direction and the extending direction (B direction in fig. 2) of the first guide rail 121 is greater than 45 degrees.

Compared with the prior art, the utility model discloses in the lifting device that the first embodiment provided, when moving member 122 removed along first guide rail 121, drive supporting piece 20 via connecting piece 30 and remove along lifting direction, because lifting direction is greater than 45 degrees with the contained angle of the extending direction of first guide rail 121, consequently, first guide rail 121 can set up inside casing 11 to need not to extend to the outside, avoid occuping exterior space, can effectual reduction need the space that occupies.

Preferably, in the present embodiment, the lifting direction is perpendicular to the extending direction of the first rail 121. The arrangement is that the movement of the moving member 122 along the first guide rail 121 is converted into the movement of the supporting member 20 in the vertical direction through the connecting member 30, so that the length of the component of the first guide rail 121 in the lifting direction can be effectively reduced, the space of the first guide rail 121 in the lifting direction which needs to be occupied is further reduced, and the space of the lifting device which needs to be occupied is further reduced.

Specifically, as shown in fig. 2, in the present embodiment, the connecting member 30 includes a first swing link 31 and a second swing link 32, and the first swing link 31 and the second swing link 32 are rotatably connected. One end of the first swing link 31 is rotatably connected to the moving member 122, and the other end is rotatably connected to the supporting member 20. One end of the second swing link 32 is rotatably connected to the housing 11, and the other end is connected to the first swing link 31. When the moving member 122 moves along the first guide rail 121, the moving member 122 drives one end of the first swing link 31 rotatably connected to the moving member 122 to move, and since the first swing link 31 and the second swing link 32 are rotatably connected and the other end of the second swing link 32 is rotatably connected to the housing 11, when the first swing link 31 is driven by the moving member 122, the force of the moving member 122 along the first guide rail 121 is decomposed into a force along the first guide rail 121 and a force perpendicular to the first guide rail 121, wherein the force perpendicular to the first guide rail 121 includes a component along the lifting direction, thereby driving the supporting member 20 to move along the lifting direction.

Further, in the present embodiment, the first swing link 31 includes a body portion 311 and a first rotating shaft 312 disposed on the body portion 311, and the second swing link 32 is rotatably sleeved on the first rotating shaft 312.

Further, in the present embodiment, the moving member 122 includes a moving table 1221 movably disposed on the first guide rail 121, and a second rotating shaft 1222 disposed on the moving table 1221. The first shaft 312 is rotatably disposed on the second shaft 1222.

Specifically, in the present embodiment, as shown in fig. 3, the power mechanism 12 further includes a power member 123 and a gear 124 for providing power, for example, the power member 123 may be a driving motor or the like. The gear 124 is respectively connected with the power member 123 and the first guide rail 121, so that the power provided by the power member 123 is transferred to the first guide rail 121, and the first guide rail 121 is driven to rotate. In this embodiment, the surface of the first guide rail 121 is spiral, the moving member 122 is rotatably sleeved on the first guide rail 121, and the first guide rail 121 rotates to drive the moving member 122 to move along the first guide rail 121.

A second embodiment of the present invention relates to a lifting device. The second embodiment is substantially the same as the first embodiment, and also includes a base 10, a supporting member 20, a connecting member 30, a first swing link 31 and a second swing link 32, and the main differences are: in the first embodiment, the first swing link 31 includes a body portion 311 and a first rotating shaft 312 disposed on the body portion 311, and the second swing link 32 is rotatably sleeved on the first rotating shaft 312. In the second embodiment of the present invention, as shown in fig. 4, the first swing link 31 includes a first rod 313 rotatably connected to the moving member 122, a second rod 314 rotatably connected to the supporting member 20, and a connecting shaft 315 fixedly connecting the first rod 313 and the second rod 314. The second swing link 32 is rotatably sleeved on the connecting shaft 315.

The first rod 313, the second swing link 32 and the second rod 314 are sequentially sleeved on the connecting shaft 315. Namely, the second swing link 32 is rotatably sleeved on the middle portion of the connecting shaft 315, and the first rod 313 and the second rod 314 are respectively non-rotatably sleeved on two ends of the connecting shaft 315.

Compared with the prior art, the utility model discloses the lifting devices that the second embodiment provided when keeping the whole technological effects of first embodiment, establish the rotatable cover of second pendulum rod 32 in connecting axle 315 middle part, first body of rod 313 and the nonrotatable cover respectively of the second body of rod 314 are established at the both ends of connecting axle 315, can be so that the atress at connecting axle 315 both ends is more even to effectual avoiding is because the atress all leads to connecting axle 315 to damage, promotes lifting devices's life.

Preferably, in the present embodiment, the included angle between the first rod 313 and the second rod 314 is greater than 90 ° and less than 150 °. The included angle between the first rod body 313 and the second rod body 314 is larger than 90 degrees and smaller than 150 degrees, so that the force conversion efficiency can be improved, and the working efficiency of the lifting device can be improved.

A third embodiment of the present invention relates to a lifting device. The third embodiment is substantially the same as the second embodiment, and also includes a base 10, a supporting member 20, a connecting member 30, a first swing link 31 and a second swing link 32, and the main differences are: as shown in fig. 5, the third embodiment further includes: a second guide rail 40 provided on the support member 20, and a second rotation shaft 50 movable along the second guide rail 40. The extending direction of the second guide rail 40 is perpendicular to the lifting direction, and the first swing link 31 is rotatably sleeved on the second rotating shaft 50.

Compared with the prior art, the utility model discloses the third embodiment sets up second guide rail 40 and can follow the second pivot 50 that second guide rail 40 removed on bearing 20 when keeping the whole technological effects of second embodiment, overlaps the rotatable cover of first pendulum rod 31 on second pivot 50. When the first swing link 31 moves along with the moving member 122, a force applied to one end of the second rotating shaft 50, which is sleeved with the first swing link 31, is a force along the extending direction of the first swing link 31, and the force is decomposed into a force along the lifting direction and a force perpendicular to the lifting direction on the second rotating shaft 50, and under the action of the force perpendicular to the lifting direction, the second rotating shaft 50 is pushed to move along the second guide rail 40, so that the component force is eliminated, the problem that the first swing link 31 is pressed on the second rotating shaft 50 by the component force and is difficult to rotate is avoided, and the use efficiency of the lifting device is improved.

The fourth embodiment of the present invention relates to a robot, as shown in fig. 6, comprising a driving wheel 100 and a lifting device 200 provided in the previous embodiments, wherein the driving wheel 100 is disposed at the bottom of the base 10 for driving the robot to move.

In one embodiment, the robot comprises a battery replacement robot for replacing batteries of the electric automobile. In the process of replacing the battery, when the battery needs to be replaced, the battery 300 to be replaced is placed on the support member 20, the robot moves to a corresponding position of the battery jar of the electric vehicle, and the battery 300 is installed in the battery jar of the electric vehicle through the lifting device 200. The lifting device 200 provided by the embodiment of the application can lift the battery 200 in a smaller space, so that the battery can be replaced more conveniently.

Compared with the prior art, the robot provided by the fourth embodiment of the present invention includes the lifting device provided by the foregoing embodiment, and therefore, the robot also has the technical effects of the foregoing embodiment, and specific reference may be made to the specific description of the foregoing embodiment, which is not repeated herein.

It will be understood by those skilled in the art that the foregoing embodiments are specific examples of the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in its practical application.

Claims

1. A lifting device, comprising:

the base is provided with a bearing piece connected with the base;

the base comprises a shell and a power mechanism arranged on the shell, the power mechanism comprises a first guide rail and a moving part movably arranged on the first guide rail, and the moving part and the supporting part are connected through a connecting piece;

when the moving piece moves along the first guide rail, the connecting piece drives the supporting piece to move along the lifting direction, and the included angle between the lifting direction and the extending direction of the first guide rail is larger than 45 degrees.

2. A lifting device according to claim 1,

the connecting piece comprises a first swing rod and a second swing rod which are rotatably connected;

one end of the first swing rod is rotatably connected to the moving piece, and the other end of the first swing rod is rotatably connected with the supporting piece;

one end of the second swing rod is rotatably connected to the shell, and the other end of the second swing rod is connected with the first swing rod.

3. The lifting device as claimed in claim 2, wherein the first swing link includes a body portion and a first rotating shaft disposed on the body portion;

the second swing rod is rotatably sleeved on the first rotating shaft.

4. The lifting device as claimed in claim 2, wherein the first swing link includes a first rod rotatably connected to the moving member, a second rod rotatably connected to the supporting member, and a connecting shaft fixedly connecting the first rod and the second rod;

the second swing rod is rotatably sleeved on the connecting shaft.

5. The lifting device as claimed in claim 4, wherein the first rod, the second swing link and the second rod are sequentially sleeved on the connecting shaft.

6. A lifting device according to claim 4, wherein the angle between the first rod and the second rod is greater than 90 ° and less than 150 °.

7. The lifting device as claimed in claim 2, wherein the moving member includes a moving table movably disposed on the first guide rail, and a second rotating shaft disposed on the moving table;

one end of the first swing rod is rotatably sleeved on the second rotating shaft.

8. The lifting device of claim 7, further comprising a second rail disposed on the support and a third shaft movable along the second rail;

the first swing rod is rotatably arranged on the second rotating shaft.

9. A lifting device according to claim 1, wherein the first rail extends in a direction perpendicular to the lifting direction of the support.

10. A robot comprising a lifting device as claimed in any one of claims 1 to 9 and drive wheels provided at the bottom of the base for driving the robot in movement.