CN216836960U

CN216836960U - Workpiece bottom assembly lifting device

Info

Publication number: CN216836960U
Application number: CN202220504443.4U
Authority: CN
Inventors: 刘永平; 李柏松; 魏守盼; 刘久远; 刘栋; 王磊; 戚庆响; 赵焱; 马超; 武树成; 刘擎; 朱明涛; 李阳; 赵齐
Original assignee: Xuzhou XCMG Mining Machinery Co Ltd
Current assignee: Xuzhou XCMG Mining Machinery Co Ltd
Priority date: 2022-03-10
Filing date: 2022-03-10
Publication date: 2022-06-28
Anticipated expiration: 2032-03-10

Abstract

The utility model discloses a workpiece bottom assembly lifting device, which comprises a lift truck and a slider-crank mechanism; the lifting vehicle is used for completing the transfer and height adjustment of parts to be assembled and mainly comprises a roller component, a bottom plate, a lifting component and a supporting plate; the crank sliding block mechanism is arranged on the supporting plate and used for completing angle adjustment of parts to be assembled and mainly comprises a thread pair mechanism, a sliding pair mechanism, a hinge pair mechanism and a fixed pair mechanism; the screw thread pair mechanism consists of a screw and a sliding plate; the sliding pair mechanism consists of a sliding plate and a sliding rail; the hinge pair mechanism consists of a hinged support and a connecting rod, and the hinged support and the L-shaped support; the fixed pair mechanism consists of an L-shaped support and a lifting support. The utility model discloses bearing capacity is about 300kg, and it is convenient to deposit, and occupation space is little, simple structure, low in manufacturing cost, and it is convenient to adjust, and the stroke scope is wide, the complete advantage of function. The method provides a solution for the assembly process step with the height and angle adjustable requirement under the bottom assembly working condition.

Description

Workpiece bottom assembly lifting device

Technical Field

The utility model relates to a work piece bottom assembly lifting devices belongs to engineering machine tool and makes technical field.

Background

The engineering machinery has a complex structure, the assembly environment has high diversity, and the operation environment for assembling parts at the bottom of the basic part has a plurality of difficulties. Because the engineering machinery generally has the condition of large mass of parts and components, the traditional hoisting means is not suitable for adjusting the installation height, and the traditional hoisting means is generally supported by adopting hydraulic cylinders, jacks and other modes, so that the conditions of over-short stroke and excessive bearing capacity exist. And the assembly process step to having installation angle regulation demand then lacks effective assembly means, generally adopts the assembly mode of using driving adjusting position after wholly overturning the basic member, has potential safety hazard, the too low problem of efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome not enough among the prior art, provide a work piece bottom assembly lifting devices, solved among the prior art when the assembly of work piece bottom assembly technical problem of assembly height, angle control difficulty.

The utility model discloses realize according to following technical scheme:

a lifting device for assembling the bottom of a workpiece comprises a lifting vehicle and a slider-crank mechanism; the lifting vehicle is used for completing the transfer and height adjustment of parts to be assembled and mainly comprises a roller component, a bottom plate, a lifting component and a supporting plate; the crank sliding block mechanism is arranged on the supporting plate and used for completing angle adjustment of parts to be assembled and mainly comprises a thread pair mechanism, a sliding pair mechanism, a hinge pair mechanism and a fixed pair mechanism; the screw pair mechanism consists of a screw and a sliding plate; the sliding pair mechanism consists of a sliding plate and a sliding rail; the hinge pair mechanism consists of a hinged support and a connecting rod, and the hinged support and the L-shaped support; the fixed pair mechanism consists of an L-shaped support and a lifting support.

The preferable scheme is as follows: the lift truck adopts a scissor type hydraulic lift truck.

The preferable scheme is as follows: the sliding rail consists of a rail and a fixed seat; the track is a linear guide rail, and a row of fixing screw mounting holes are uniformly distributed on the linear guide rail; the fixing seats are symmetrically arranged on supporting plates of the lifting car at two ends of the rail, and the rail is clamped in bayonets of the fixing seats so as to ensure the stability of the rail and the parallelism between the two rails.

The preferable scheme is as follows: the sliding plate consists of a sliding block, a supporting plate and a thread block; the sliding block is matched with the sliding rail, so that the sliding block can freely slide in the track stroke of the sliding rail; the supporting plate is arranged on the sliding block, the axis of the supporting plate is perpendicular to the axes of the two tracks, the supporting plate slides along the axis direction of the tracks along with the sliding block, and the supporting plate is provided with a mounting hole for mounting a hinged support; the thread block is arranged below the supporting plate, and a threaded hole in the thread block can penetrate through the screw rod and enable the axis of the screw rod to be parallel to the axis of the track.

The preferable scheme is as follows: the front end and the rear end of the screw are respectively and rotatably connected to the screw fixing seat; the screw rod fixing seat mainly comprises a fixing seat and a bearing; the fixing seat is installed on a supporting plate of the lift truck, the bearing is installed in the fixing seat, the screw can rotate in the bearing, and when the screw rotates, the thread block moves along the axis direction of the screw.

The preferable scheme is as follows: a hand wheel is arranged at the front end of the screw rod, and the screw rod is rotated through the hand wheel; and a fixed seat close to the hand wheel is provided with a limit jackscrew, and the screw rod is locked at a fixed position through the limit jackscrew.

The preferable scheme is as follows: the hinged support is of an inverted T-shaped structure, and the hinge point of the hinged support is higher than the mounting surface of the hinged support; the four hinged supports are arranged on a hinged support sliding plate to form two hinged positions to be connected with the two connecting rods, and the two hinged supports are arranged on a supporting plate of the lift truck to form two hinged positions to be connected with the L-shaped support.

The preferable scheme is as follows: the L-shaped support is of an L-shaped structure, and a hinge hole is formed in the included angle of the L-shaped support and is used for being connected with the hinge support; the L-shaped support is fixed at the bottom of the lifting support.

The preferable scheme is as follows: the lifting support consists of two bottom support plates, two side support plates, two hinged plates and at least one side connection limit; the bottom support plate is fixed on the side support plate, the long side of the L-shaped support is fixedly connected with the side support plate, and the short side of the L-shaped support is connected with the bottom support plate; the hinged plate is welded on the side supporting plate, and the side connecting limit is connected with the two side supporting plates.

The preferable scheme is as follows: the side edge connecting limit is composed of a bending pipe and a flange; the flange is installed on the side supporting plate through bolts.

The utility model discloses beneficial effect:

the utility model provides a work piece bottom assembly lifting devices, bearing capacity is about 300kg, and it is convenient to deposit, and occupation space is little, simple structure, low in manufacturing cost, and it is convenient to adjust, and the stroke range is wide, the complete advantage of function. The method provides a solution for the assembly process step with the height and angle adjustable requirement under the bottom assembly working condition.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

In the drawings:

FIG. 1 is a schematic structural view of a workpiece bottom assembly lifting device according to the present invention;

FIG. 2 is a schematic view of the storage state of the workpiece bottom assembly lifting device according to the present invention;

FIG. 3 is a schematic view of a supporting state of the lifting device for workpiece bottom assembly according to the present invention;

FIG. 4 is a schematic view of the bottom assembly lifting device for a workpiece according to the present invention;

fig. 5 is a schematic view of the slide rail structure of the present invention;

fig. 6 is a schematic structural view of the sliding plate of the present invention;

FIG. 7 is a schematic view of the screw support structure of the present invention;

fig. 8 is a schematic structural view of the hinge support of the present invention;

fig. 9 is a schematic view of an L-shaped spacing structure of the present invention;

fig. 10 is a schematic view of the lifting support structure of the present invention;

in the figure: 1. the hydraulic lifting truck comprises a scissor type hydraulic lifting truck 2, a slide rail 3, a slide plate 4, a screw rod 5, a hand wheel 6, a screw rod support 7, a connecting rod 8, a hinged support 9, an L-shaped support 10 and a lifting support; 2-1 parts of tracks, 2-2 parts of fixing seats, 3-1 parts of sliding blocks, 3-2 parts of supporting plates, 3-3 parts of thread blocks, 6-1 parts of fixing seats, 6-2 parts of bearings, 6-3 parts of limiting jackscrews, 10-1 parts of bottom supporting plates, 10-2 parts of side supporting plates, 10-3 parts of hinged plates, 10-4 parts of side connecting limiting.

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept by those skilled in the art with reference to specific embodiments.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, 2, 3 and 4, a workpiece bottom assembly lifting device comprises a scissor-type hydraulic lift truck 1, a slide rail 2, a slide plate 3, a screw 4, a hand wheel 5, a screw support 6, a connecting rod 7, a hinged support 8, an L-shaped limit 9, a lifting support 10 and a plurality of connecting screws. The above components constitute the lifting part and the supporting and lifting part. Wherein, the lift adjustment mode does: the lifting is realized by the scissor type hydraulic lift truck 1. The angle adjusting mode is as follows: the angle of the lifting support 10 can be controlled by the rotation of a hand wheel 5 fixed on the screw rod 4. The utility model is suitable for a support at basic part bottom assembly part, and have by support part bearing height, angularly adjustable demand.

A preferred embodiment of the above embodiment is given below in relation to a scissor lift truck:

continuing to refer to fig. 1, the scissor-type hydraulic lift truck 1 may be of the single scissor-type, multiple scissor-type, or hydraulic cylinder type. The embodiment provides the single-scissor fork type, and corresponding selection can be made according to actual requirements in actual use. It is to be noted that since the scissor-type hydraulic lift truck 1 is a prior art, it will not be described in detail.

The following gives a preferred embodiment of the above embodiment with respect to the crank-slider mechanism:

as shown in fig. 5, the slide rail 2 is composed of a rail 2-1 and a fixing seat 2-2. The track 2-1 is a linear guide rail made of aluminum section and is uniformly provided with a row of fixing screw mounting holes; the fixing seat 2-2 is arranged on the top surface of the scissor type hydraulic lift truck 1, and the position of the rail 2-1 is fixed through a bayonet in the fixing seat 2-2 so as to ensure the stability of the rail and the parallelism between the two rails 2-1.

As shown in FIG. 6, the sliding plate 3 is composed of a sliding block 3-1, a supporting plate 3-2, and a screw block 3-3. The sliding block 3-1 is matched with the sliding rail 2, so that the sliding block 3-1 can freely slide in the stroke of the rail 2-1 of the sliding rail 2; the supporting plate 3-2 is arranged on the sliding block 3-1, the axis of the supporting plate is vertical to the axis of the two tracks 2-1, the supporting plate can only slide along the axis of the track 2-1 along with the sliding block 3-1, and the upper mounting hole is used for mounting the hinged support 8; the thread block 3-3 is arranged below the support plate 3-2, and a threaded hole on the thread block can penetrate through the screw rod 4 and enable the axis of the screw rod 4 to be parallel to the axis of the track 2-1.

As shown in fig. 7, the screw 4 is mounted on the screw holder 6. The screw fixing seat 6 consists of a fixing seat 6-1, a bearing 6-2 and a limiting jackscrew 6-3. The fixed seat 6-1 is installed on the top surface of the scissor type hydraulic lift truck 1, and the bearing 6-2 is installed in the fixed seat, so that the screw rod 4 can only rotate in the fixed seat. The screw 4 is connected with the thread block 3-3 through the thread pair, when the screw 4 rotates, the thread block 3-3 moves along the axis direction of the screw, the sliding plate 3 is indirectly driven to move along the sliding rail 2 along the direction of the rail 2-1, and after adjustment is finished, the screw 4 is locked by using the limiting jackscrew 6-3 to fix the position.

As shown in fig. 8, the hinge support 8 has an inverted "T" shape, and the hinge point is higher than the mounting surface of the hinge support 8. The four hinged supports 8 are arranged on the sliding plate 3 to form two hinged positions to be connected with the two connecting rods 7, and the two hinged supports 8 are arranged on the top surface of the scissor-fork type hydraulic lift truck 1 to form two hinged positions to be connected with the L-shaped support 9.

As shown in fig. 9, the L-shaped support 9 is an "L" shaped structure, and a hinge hole is provided at an included angle of the L-shaped support 9 to ensure that two sides of the "L" shape can rotate along the circumferential direction of the hole. The "L" shaped edge directly supports the two support surfaces on the lifting support 10.

As shown in FIG. 10, the lifting support 10 is composed of a bottom support plate 10-1, side support plates 10-2, hinge plates 10-3, and side connection limits 10-4. The bottom support plate 10-1 is connected to the short side of the L-shaped support 9 and welded to the side support plate 10-2; the side supporting plate 10-2 is connected with the long edge of the L-shaped support 9, and is simultaneously connected with a hinged plate 10-3 arranged on the side supporting plate and a connecting rod 7, and the hinged plate 10-3 is welded on the side supporting plate 10-2; the side edge connecting limit 10-4 is formed by a bent pipe and a flange plate and is screwed on the two side edge connecting limit 10-4, so that all parts of the lifting support 10 are integrated.

With reference to fig. 1, 2, 3 and 4, during assembly, the device is first stored, after the parts to be assembled are placed on the lifting supports 10, the hydraulic lifting truck 1 is transferred to an assembly position by the scissors type, and after the parts are inserted into the bottom of the workpiece, the top surface position of the lifting truck is controlled by the extension of the support oil cylinders of the hydraulic lifting truck, so that the adjustment of the lifting part is completed. The slide rail 2 is fixed on the top surface of the scissor-fork hydraulic lift truck 1, and the sliding plate 3 is buckled on the slide rail 2. Screw rod support 6 is installed in 1 top surfaces of scissors fork formula hydraulic lift truck, and screw rod 4 limits in screw rod support 6, only can realize rotating through hand wheel 5. The screw 4 and the sliding plate 3 realize the movement of the sliding plate 3 along the sliding rail 2 through a screw pair mechanism. A hinged support 8 arranged on the scissor type hydraulic lifting vehicle fixes a lifting support 10 through an L-shaped support 9 and enables the lifting support to rotate at a hinged point on the hinged support 8. The other two groups of hinged supports 8 are respectively arranged on the sliding plate 3 and the lifting support 10, each group is connected by a connecting rod 7, finally the sliding plate 3, the connecting rod 7, the hinged supports 8, the L-shaped support 9 and the lifting support 10 jointly form a slider-crank mechanism, and the lifting support 10 is adjusted in a lifting angle in a manner controlled by a hand wheel 5 through the cooperation of the two mechanisms. The workpiece bottom assembly lifting device is suitable for assembly at the bottom of a workpiece and has working conditions with assembly height and angle adjustment requirements. The assembly height is controlled by the hydraulic lift truck, the assembly angle is controlled by the hand wheel, and the technical problems that the assembly means at the bottom of a workpiece is limited, the space is limited and the like are solved.

In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

Furthermore, those skilled in the art will appreciate that although some embodiments described herein include some features included in other embodiments instead of others, combinations of features of different embodiments are also meant to be within the scope of the invention and form different embodiments. For example, in the above embodiments, those skilled in the art can combine the technical solutions and technical problems to be solved by the present application.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, but not to limit the present invention, any person skilled in the art can make modifications or changes to equivalent embodiments by utilizing the above technical contents without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments by the technical matters of the present invention are within the scope of the present invention.

Claims

1. A workpiece bottom assembly lifting device, comprising:

the lifting vehicle is used for completing the transfer and height adjustment of parts to be assembled and mainly comprises a roller component, a bottom plate, a lifting component and a supporting plate;

slider-crank mechanism installs in the backup pad for the completion treats the angle modulation of assembly part, mainly includes:

the screw pair mechanism consists of a screw and a sliding plate;

the sliding pair mechanism consists of a sliding plate and a sliding rail;

the hinge pair mechanism consists of a hinged support and a connecting rod, and the hinged support and the L-shaped support;

the fixed pair mechanism consists of an L-shaped support and a lifting support.

2. A workpiece bottom assembly lifting device as defined in claim 1 wherein:

the lift truck adopts a scissor type hydraulic lift truck.

3. A workpiece bottom assembly lifting device as defined in claim 1 wherein:

the sliding rail consists of a rail and a fixed seat;

the track is a linear guide rail, and a row of fixing screw mounting holes are uniformly distributed on the linear guide rail;

the fixing seats are symmetrically arranged on supporting plates of the lifting car at two ends of the rail, and the rail is clamped in bayonets of the fixing seats so as to ensure the stability of the rail and the parallelism between the two rails.

4. A workpiece bottom assembly lifting device as defined in claim 1 wherein:

the sliding plate consists of a sliding block, a supporting plate and a thread block;

the sliding block is matched with the sliding rail, so that the sliding block can freely slide in the track stroke of the sliding rail;

the supporting plate is arranged on the sliding block, the axis of the supporting plate is perpendicular to the axes of the two tracks, the supporting plate slides along the axis direction of the tracks along with the sliding block, and the supporting plate is provided with a mounting hole for mounting a hinged support;

the thread block is arranged below the supporting plate, and a threaded hole in the thread block can penetrate through the screw rod and enable the axis of the screw rod to be parallel to the axis of the track.

5. A workpiece bottom assembly lifting device as defined in claim 4 wherein:

the front end and the rear end of the screw are respectively and rotatably connected to the screw fixing seat;

the screw rod fixing seat mainly comprises a fixing seat and a bearing;

the fixing seat is installed on a supporting plate of the lift truck, the bearing is installed in the fixing seat, the screw can rotate in the bearing, and when the screw rotates, the thread block moves along the axis direction of the screw.

6. A workpiece bottom assembly lifting device as defined in claim 5 wherein:

a hand wheel is arranged at the front end of the screw rod, and the screw rod is rotated through the hand wheel;

and a fixed seat close to the hand wheel is provided with a limit jackscrew, and the screw rod is locked at a fixed position through the limit jackscrew.

7. A workpiece bottom assembly lifting device as defined in claim 1 wherein:

the hinged support is of an inverted T-shaped structure, and the hinge point of the hinged support is higher than the mounting surface of the hinged support;

the four hinged supports are arranged on a hinged support sliding plate to form two hinged positions to be connected with the two connecting rods, and the two hinged supports are arranged on a supporting plate of the lift truck to form two hinged positions to be connected with the L-shaped support.

8. A workpiece bottom assembly lifting device as defined in claim 1 wherein:

the L-shaped support is of an L-shaped structure, and a hinge hole is formed in the included angle of the L-shaped support and is used for being connected with the hinge support;

the L-shaped support is fixed at the bottom of the lifting support.

9. A workpiece bottom assembly lifting device as defined in claim 1 wherein:

the lifting support consists of two bottom support plates, two side support plates, two hinged plates and at least one side connection limit;

the bottom support plate is fixed on the side support plate, the long side of the L-shaped support is fixedly connected with the side support plate, and the short side of the L-shaped support is connected with the bottom support plate;

the hinged plate is welded on the side supporting plate, and the side connecting limit is connected with the two side supporting plates.

10. A workpiece bottom assembly lifting device as defined in claim 9 wherein:

the side edge connecting limit is composed of a bending pipe and a flange;

the flange is installed on the side supporting plate through bolts.