CN220596969U - Lifting mechanism and AGV car - Google Patents

Abstract

The utility model discloses a lifting mechanism and an AGV, wherein the lifting mechanism comprises a base plate, an adjusting piece, a lifting assembly and a fixed seat; the sliding cavity is arranged on the fixed seat, and the sliding space of the lifting piece is constructed by utilizing the sliding cavity, so that interference between the lifting piece and other structures on the AGV can be avoided, and the problem of limited lifting use can be solved; the lifting and sliding process of the driving unit of the AGV can be realized through the rotary adjusting piece, and the lifting mechanism is convenient and fast to use and operate integrally and has the advantages of being good in reliability and good in stability.

Description

Lifting mechanism and AGV car

Technical Field

The utility model relates to the technical field of AGV vehicles, in particular to a lifting mechanism and an AGV vehicle.

Background

Along with the high-speed development of society, AGVs are more and more commonly applied, and the AGVs are efficient in work and convenient to manage; the method is widely applied to industries such as intelligent storage, unmanned conveying and the like.

At present, when the AGV is used, in order to conveniently and rapidly offline the failed AGV, a user can require the AGV to have a driving and lifting function; the conventional lifting function is divided into manual lifting and electric lifting, the common manual lifting mode of the differential drive AGV is center screw lifting, the center screw lifting is suitable for low AGV, the top of the center screw lifting is provided with other mechanisms and cannot be used, the using conditions are limited, the electric lifting is higher in overall cost due to the fact that a motor, a limit sensor and a control module are additionally arranged, the electric lifting relies on a power supply to supply power, and when a battery is powered off, the electric lifting cannot be used, and the reliability is poor.

Disclosure of Invention

The technical problem to be solved or at least partially solved by the utility model is that the AGV lifting mode is limited in use in the related technology, and the reliability and stability are poor.

The utility model provides a lifting mechanism, comprising:

a substrate;

the adjusting piece is rotatably arranged on the base plate;

the lifting assembly comprises a lifting part and an eccentric rotating part, the lifting part is suitable for being fixed with a driving unit of an AGV, the eccentric rotating part is arranged at the adjusting end of the adjusting part, and the eccentric rotating part is connected with the lifting part in a sliding manner;

the fixed seat is arranged on the base plate, a sliding cavity is arranged in the fixed seat, and the lifting piece is arranged in the sliding cavity in a sliding mode;

under the action of external force, the adjusting part is provided with an adjusting state for driving the eccentric rotating part to slide and act on the lifting part, so that the lifting part is suitable for driving the driving unit of the AGV to slide and rise along the height direction in the sliding cavity.

Optionally, the adjusting piece comprises a handle part and a rotating part, and the handle part is fixedly connected with the rotating part; the handle part is arranged at one end of the rotating part extending out of the base plate.

Optionally, the eccentric rotating member comprises a connecting seat and a rotating wheel, the rotating wheel is rotationally connected with the connecting seat, and the rotating axis of the rotating wheel and the rotating axis of the adjusting member are arranged in parallel and in a staggered manner; the connecting seat is fixedly arranged at one end of the rotating part far away from the handle part, and in the adjusting state, the rotating wheel is provided with a lifting piece in a butt joint mode so as to be suitable for lifting the rotating stroke of the driving unit.

Optionally, the lifting mechanism further comprises at least one bearing member, the bearing member is mounted on the base plate, and the rotating part is rotatably arranged in the bearing member.

Optionally, the lifting assembly further comprises a mount adapted for rotational arrangement with the drive unit; the mounting piece is arranged on one side, close to and far away from the eccentric rotating piece, of the lifting piece.

Optionally, the fixing base is provided with a groove structure, the fixing base is arranged in a protruding manner along a direction away from the substrate, and the groove structure is configured to form the sliding cavity.

Optionally, the lifting mechanism further comprises a limiting piece, wherein the limiting piece is fixedly installed on one side, facing the eccentric rotating piece, of the lifting piece, and the limiting piece is arranged on a rotating path of the eccentric rotating piece;

the limiting piece is arranged to be an abutting plate body, the extending direction of the abutting plate body is inclined towards the eccentric rotating piece, the included angle between the extending surface of the abutting plate body and the opposite direction of gravity is set to be A, and the included angle A is configured to be 10-30 degrees.

The AGV comprises a driving unit and the lifting mechanism, wherein the driving unit is arranged below the lifting mechanism.

Optionally, the driving unit includes a driving shaft;

the AGV car still includes guide bearing, the drive shaft with guide bearing slides mutually and sets up, guide bearing with the coaxial setting of drive shaft.

Optionally, the AGV further comprises a shielding piece, the shielding piece is fixedly arranged on the base plate, the driving shaft penetrates through the shielding piece, and the shielding piece is configured with a space for shielding the driving shaft to synchronously lift and slide along with the lifting piece.

The technical scheme provided by the utility model has the following advantages:

1. the utility model provides a lifting mechanism which comprises a base plate, an adjusting piece, a lifting assembly and a fixing seat, wherein the base plate is provided with a lifting seat; the adjusting piece is rotated by external force, so that the adjusting piece drives the eccentric rotating piece to rotate, and the lifting piece and the driving unit of the AGV lift together to lift the driving unit of the AGV upwards; the sliding cavity is arranged on the fixed seat, and the sliding space of the lifting piece is constructed by utilizing the sliding cavity, so that interference between the lifting piece and other structures on the AGV can be avoided, and the problem of limited lifting use can be solved; the lifting and sliding process of the driving unit of the AGV can be realized through the rotary adjusting piece, and the lifting mechanism is convenient and fast to use and operate integrally and has the advantages of being good in reliability and good in stability.

2. According to the lifting mechanism provided by the utility model, the adjusting piece comprises the handle part and the rotating part, the handle part can drive the rotating part to rotate through the manual mode of rotating the handle part, and the handle part is arranged at one end of the rotating part extending out of the substrate, so that the rotating space of the handle part and the substrate are arranged in a avoiding way, and the rotation of the handle part is facilitated.

3. The lifting mechanism provided by the utility model further comprises a limiting piece, wherein the limiting piece is fixedly arranged on one side, facing the eccentric rotating piece, of the lifting piece, and the limiting piece is arranged on the rotating path of the eccentric rotating piece. When the external force rotates to act on the adjusting piece, the eccentric rotating piece is locked through the limiting piece, so that the adjusting piece is correspondingly locked along with the eccentric rotating piece, and the expected lifting height is obtained; when the driving unit of the AGV needs to be moved downwards, the operation is convenient and fast by reversely resetting the rotating adjusting piece.

4. The AGV provided by the utility model comprises a driving unit and a lifting mechanism, wherein the driving unit is arranged below the lifting mechanism. Lifting the active drive unit by a lifting mechanism to facilitate maintenance or replacement of the drive unit; after the maintenance of the driving unit is completed, the lifting effect on the driving unit is relieved through the lifting mechanism, the driving unit descends along with the dead weight, the operation is simple, and the overhaul efficiency is high.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a lifting mechanism according to an embodiment of the present utility model;

FIG. 2 is a schematic illustration of the connection of an adjustment member and a bearing member in a lifting mechanism provided in an embodiment of the present utility model;

FIG. 3 is a schematic view of a lifting assembly of a lifting mechanism according to an embodiment of the present utility model;

FIG. 4 is a partial schematic view of an AGV provided in an embodiment of the present utility model;

FIG. 5 is a schematic cross-sectional view of an AGV provided in an embodiment of the present utility model;

reference numerals illustrate:

1-a substrate;

2-an adjusting member; 21-a handling portion; 22-a rotating part;

3-a lifting assembly; 31-lifting member; 32-eccentric rotation member; 321-connecting seats; 322-rotating wheels; 33-mounting; 34-a limiting piece;

4-fixing seats; 5-bearing members;

6-driving shaft; 7-guiding bearings;

8-blinders.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

Example 1

The embodiment provides a hoist mechanism, carries out the side to AGV's drive unit and promotes, and it can solve the problem that runs into when manual lifting space is not enough, can solve the problem that electric lifting cost is high and the reliability is low simultaneously.

Referring to fig. 1, the lifting mechanism includes a base plate 1, an adjusting member 2, a lifting assembly 3, and a fixing base 4; the adjusting piece 2 is rotatably arranged on the base plate 1; the fixing base 4 is fixedly arranged above the substrate 1.

Referring to fig. 2, the lifting assembly 3 includes a lifting member 31 and an eccentric rotating member 32, the lifting member 31 is adapted to be fixed with a driving unit of the AGV car, the eccentric rotating member 32 is provided at an adjusting end of the adjusting member 2, and the eccentric rotating member 32 is slidably connected with the lifting member 31; a sliding cavity is arranged in the fixed seat 4, and the lifting piece 31 is arranged in the sliding cavity in a sliding way; under the action of external force, the adjusting piece 2 is provided with a lifting piece 31 for driving the eccentric rotating piece 32 to slide, so that the lifting piece 31 is suitable for driving a driving unit of the AGV to lift and slide in the sliding cavity along the height direction.

According to the lifting mechanism provided by the embodiment, the driving unit can be lifted through a manual lifting mode, and the adjusting piece 2 is rotated by an operator, so that the adjusting piece 2 drives the eccentric rotating piece 32 to rotate, and the lifting piece 31 and the driving unit of the AGV are lifted together, so that the purpose of lifting the driving unit of the AGV upwards is achieved; the sliding cavity is configured on the fixed seat 4, and the sliding space of the lifting piece 31 is constructed by utilizing the sliding cavity, so that interference between the lifting piece and other structures on an AGV can be avoided, and the problem of limited lifting use can be solved; can realize the lift process of the drive unit of AGV car through rotatory regulating part 2, hoist mechanism wholly uses the simple operation, and it has good, the good advantage of stability of reliability.

In the present embodiment, referring to fig. 1 and 5, the fixing base 4 is provided with a groove structure, and the fixing base 4 is convexly disposed in a direction away from the substrate 1, and the groove structure is configured to form a sliding cavity. When the lifting piece 31 drives the eccentric rotating piece 32 to rotate along with the adjusting piece 2, the lifting piece is in sliding abutting connection with the inner wall surface of the sliding cavity.

Referring to fig. 2, in the present embodiment, the adjusting member 2 includes a handle portion 21 and a rotating portion 22, the handle portion 21 and the rotating portion 22 being fixedly connected; the handle portion 21 is provided at one end of the rotating portion 22 extending out of the substrate 1. The adjusting member 2 includes a handle portion 21 and a rotating portion 22, and the manual mode thereof can rotate the handle portion 21 to drive the rotating portion 22 to rotate, wherein the handle portion 21 is disposed at one end of the rotating portion 22 extending out of the substrate 1, so that the rotating space of the handle portion 21 and the substrate 1 are disposed in a avoiding manner, thereby facilitating the rotation of the handle portion 21. By lifting the drive unit of the AGV on one side of the base plate 1, the spatial arrangement of the lifting structure is optimized.

Referring to fig. 2, the eccentric rotating member 32 includes a connecting seat 321 and a rotating wheel 322, the rotating wheel 322 is rotatably connected with the connecting seat 321, and the rotating axis of the rotating wheel 322 and the rotating axis of the adjusting member 2 are arranged in parallel and offset; the connecting seat 321 is fixedly arranged at one end of the rotating part 22 away from the handle part 21, and in the adjusting state, the rotating wheel 322 is provided with an abutting lifting piece 31 so as to be suitable for lifting the rotating stroke of the driving unit.

Referring to fig. 1 and 2, the lifting mechanism further includes a bearing member 5, the bearing member 5 is mounted on the base plate 1, and the rotating portion 22 is rotatably disposed in the bearing member 5. In this embodiment, the two bearing members 5 are disposed at the end of the rotating portion 22 near the handle portion 21 at intervals, and at the end of the rotating portion 22 near the eccentric rotating member 32 at intervals, and the two bearing members 5 limit the two ends of the rotating portion 22, so that the rotation axis of the rotating portion 22 is aligned with the desired direction.

Referring to fig. 3, the lifting assembly 3 further comprises a mounting member 33, the mounting member 33 being adapted to be in a rotational configuration with the drive unit; the mounting member 33 is disposed on a side of the lifting member 31 near the eccentric rotating member 32, and the mounting member 33 is fixedly connected to the lifting member 31. The mounting 33 is configured as a rotating sleeve or ring.

Referring to fig. 3, the lifting mechanism further includes a stopper 34, the stopper 34 being fixedly installed at a side of the lifting member 31 facing the eccentric rotating member 32, the stopper 34 being disposed on a rotation path of the eccentric rotating member 32. In the present embodiment, the limiting member 34 is configured as an abutting plate body, the extending direction of the abutting plate body can be inclined toward the eccentric rotating member 32, the included angle between the extending surface of the abutting plate body and the opposite direction of gravity is set to be a, and the a is configured to be 10 ° to 30 °; preferably, a is set to 17 °. When the external force rotates the acting adjusting piece 2, the lifting piece 31 is abutted downwards to act on the eccentric rotating piece 32, the limiting piece 34 is used for limiting and locking the eccentric rotating piece 32, and the base plate 1 is used for supporting the adjusting piece 2, the eccentric rotating piece 32 and the lifting piece 31, so that the adjusting piece 2 is correspondingly locked along with the eccentric rotating piece 32, and the expected lifting height is obtained; when the driving unit of the AGV needs to be moved downwards, the operation is convenient and fast by reversely resetting and rotating the adjusting piece 2.

Of course, in other embodiments, the extending direction of the abutting plate body is perpendicular to the extending plane of the lifter 31. The rotation angle of the adjusting piece 2 can be locked through the external mechanism, so that the purpose of relatively fixing the lifting piece 31 and the driving unit is achieved; thereby maintaining a desired elevation.

The utility model provides a lifting mechanism, which comprises the following using method:

when the driving unit needs to be lifted, taking fig. 1 as an example, by rotating the adjusting piece 2 upwards, the adjusting piece 2 drives the eccentric rotating piece 32 to rotate upwards synchronously, the outer contour of the eccentric rotating piece 32 abuts against the acting lifting piece 31, so that the lifting piece 31 drives the driving unit to move upwards, and when the eccentric rotating piece 32 is limited by the limiting piece 34, the driving unit is lifted to a set height;

when the driving unit needs to be reset, the adjusting piece 2 drives the eccentric rotating piece 32 to synchronously rotate by reversely rotating the adjusting piece 2, the eccentric rotating piece 32 releases the lifting effect on the driving unit, and meanwhile, the driving unit and the lifting piece reset along with the self-weight descending.

Example 2

The embodiment provides an AGV, see fig. 1 and 4, including drive unit and hoist mechanism, drive unit sets up in hoist mechanism below. The AGV provided by the embodiment lifts the driving unit through the lifting mechanism so as to facilitate maintenance or replacement of the driving unit; after the maintenance of the driving unit is completed, the lifting effect on the driving unit is relieved through the lifting mechanism, the driving unit descends along with the dead weight, the operation is simple, and the overhaul efficiency is high.

Referring to fig. 4 and 5, the agv further includes a body and a guide bearing 7, the guide bearing 7 is fixedly installed on the body, the driving unit includes a driving shaft 6, the driving shaft 6 and the guide bearing 7 are slidably disposed, and the guide bearing 7 and the driving shaft 6 are coaxially disposed. The upper end portion of the drive shaft 6 is rotatably connected to the mounting member 33, and the lower end portion of the drive shaft 6 is connected to the vehicle body.

Referring to fig. 4, the agv further includes a shielding member 8, where the shielding member 8 is fixedly disposed on the base plate 1, the shielding member 8 is disposed below the base plate 1, the driving shaft 6 is disposed through the shielding member 8, and the shielding member 8 is configured with a space for shielding the driving shaft 6 to synchronously lift and slide along with the lifting member. The sliding stroke of the driving shaft 6 is shielded by the shielding piece 8, so that external impurities are prevented from entering the joint between the driving shaft 6 and the guide bearing 7, and the stability of the AGV is improved.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.

Claims (10)

1. A lifting mechanism, comprising:

a substrate (1);

an adjusting member (2) rotatably mounted on the base plate (1);

the lifting assembly (3) comprises a lifting part (31) and an eccentric rotating part (32), the lifting part (31) is suitable for being fixed with a driving unit of an AGV, the eccentric rotating part (32) is arranged at the adjusting end of the adjusting part (2), and the eccentric rotating part (32) is connected with the lifting part (31) in a sliding mode;

the fixed seat (4) is arranged on the base plate (1), a sliding cavity is arranged in the fixed seat (4), and the lifting piece (31) is arranged in the sliding cavity in a sliding mode;

under the action of external force, the adjusting piece (2) is provided with an adjusting state for driving the eccentric rotating piece (32) to slide and act on the lifting piece (31), so that the lifting piece (31) is suitable for driving a driving unit of the AGV to slide and rise in the sliding cavity along the height direction.

2. Lifting mechanism according to claim 1, characterized in that the adjusting member (2) comprises a handle portion (21) and a rotating portion (22), the handle portion (21) and the rotating portion (22) being fixedly connected; the handle part (21) is arranged at one end of the rotating part (22) extending out of the base plate (1).

3. Lifting mechanism according to claim 2, characterized in that the eccentric rotation element (32) comprises a connection seat (321) and a rotation wheel (322), the rotation wheel (322) is rotationally connected with the connection seat (321), and the rotation axis of the rotation wheel (322) and the rotation axis of the adjustment element (2) are arranged in parallel and offset; the connecting seat (321) is fixedly arranged at one end of the rotating part (22) away from the handle part (21), and in the adjusting state, the rotating wheel (322) is abutted with the lifting piece (31) so as to be suitable for lifting the rotating stroke of the driving unit.

4. A lifting mechanism according to claim 2, further comprising at least one bearing member (5), said bearing member (5) being mounted on said base plate (1), said rotating portion (22) being rotatably arranged within said bearing member (5).

5. A lifting mechanism according to claim 1, characterized in that the lifting assembly (3) further comprises a mounting (33), the mounting (33) being adapted to be in rotational configuration with a drive unit; the mounting member (33) is arranged on the side of the lifting member (31) close to the eccentric rotating member (32).

6. Lifting mechanism according to claim 1, characterized in that the holder (4) is provided with a groove structure, the holder (4) being arranged protruding in a direction away from the base plate (1), the groove structure being configured to form the sliding chamber.

7. A lifting mechanism according to any one of claims 1-6, further comprising a stop (34), said stop (34) being fixedly mounted on a side of said lifting member (31) facing said eccentric rotary member (32), said stop (34) being arranged in the rotational path of said eccentric rotary member (32);

the limiting piece (34) is arranged to be an abutting plate body, the extending direction of the abutting plate body is inclined towards the eccentric rotating piece (32), the included angle between the extending surface of the abutting plate body and the opposite direction of gravity is set to be A, and the included angle A is configured to be 10-30 degrees.

8. An AGV comprising a drive unit and a lifting mechanism according to any one of claims 1-7, said drive unit being arranged below said lifting mechanism.

9. The AGV according to claim 8, characterized in that the drive unit comprises a drive shaft (6);

the AGV also comprises a guide bearing (7), wherein the driving shaft (6) and the guide bearing (7) are arranged in a sliding mode, and the guide bearing (7) and the driving shaft (6) are coaxially arranged.

10. The AGV according to claim 9, further comprising a shielding member (8), wherein the shielding member (8) is fixedly disposed on the base plate (1), the driving shaft (6) is disposed through the shielding member (8), and the shielding member (8) is configured with a space for shielding the driving shaft (6) from synchronous lifting and sliding along with the lifting member.