CN220886907U

CN220886907U - Double-shaft lifting fork and stacker

Info

Publication number: CN220886907U
Application number: CN202322516787.4U
Authority: CN
Inventors: 张海歌; 王奎
Original assignee: Xuzhou Zhuohui Intelligent Technology Co ltd
Current assignee: Xuzhou Zhuohui Intelligent Technology Co ltd
Priority date: 2023-09-16
Filing date: 2023-09-16
Publication date: 2024-05-03
Anticipated expiration: 2033-09-16

Abstract

The utility model discloses a double-shaft lifting fork and a stacker, which comprise a base, a fixed fork body assembly, a movable fork body assembly, a first power transmission component and a second power transmission component; the base is used for bearing parts; the fixed fork body component and the movable fork body component are respectively assembled on two sides of the base; the first power transmission component is arranged at one end of the base close to the fixed fork body component and is used for realizing transverse movement of the movable fork body component on the base relative to the fixed fork body component, adjusting the spacing between the fork bodies at two sides and meeting different cargo sizes; the second power transmission part is arranged at one end of the base close to the fixed fork body assembly and is used for realizing synchronous longitudinal telescopic movement of the two side fork bodies. The utility model has the advantages of strong compatibility, high efficiency, compact space and the like.

Description

Double-shaft lifting fork and stacker

Technical Field

The utility model relates to the technical field of material storage and transportation, in particular to a double-shaft lifting fork.

Background

The high-efficiency stacker requires high material storage efficiency, and besides the requirement on the operation speed of the stacker, the most important is that the operation speed of the fork is strictly required, and particularly when the size and the specification of the cargoes are inconsistent, the speed influence of the fork is more important, so that the fork is the core equipment of the high-efficiency stacker.

The forks generally have two types, namely a rack-and-pinion type telescopic fork and a chain type telescopic fork. The rack and pinion type telescopic fork adopts two or three sections of forks. The three-section fork is a fork telescopic mechanism consisting of a front fork, a middle fork, a fixed fork, a guide roller and the like. The chain type telescopic fork consists of an upper/middle telescopic fork, a fixed fork, a guide wheel and the like. The fork only has the movable power source, promotes the fork to move in the fore-and-aft direction, and the scene that is different to the fork size can not satisfy, and the normal condition can increase the transfer tray of uniform size, and this certainly has increased extra cost.

The prior art discloses a telescopic fork (patent number CN 202022452790.0), which solves the size problem of the equipment, makes it possible to use in a limited space, improves the space utilization, but can only be used for a tray of one specification.

Disclosure of Invention

The utility model aims to design a fork with high compatibility to realize lifting and storage of materials with different sizes by an efficient stacker.

The utility model is realized according to the following technical scheme:

In a first aspect, the utility model discloses a dual-axis lifting fork comprising:

the base is used for bearing parts;

the fixed fork body assembly and the movable fork body assembly are respectively assembled on two sides of the base;

the first power transmission component is arranged at one end of the base close to the fixed fork body component and is used for realizing the transverse movement of the movable fork body component on the base relative to the fixed fork body component, adjusting the spacing between the fork bodies at two sides and meeting different cargo sizes;

And the second power transmission component is arranged at one end of the base close to the fixed fork body assembly and is used for realizing synchronous longitudinal telescopic movement of the two side fork bodies.

In some embodiments, the base comprises:

A fixed bottom plate;

the front support plate and the rear support plate are respectively arranged at two sides of the fixed bottom plate and are used for assembling the first power transmission part and the second power transmission part;

The middle layer supporting plate is arranged on the front supporting plate and the rear supporting plate and is used for assembling the fixed fork body assembly and the movable fork body assembly.

In some embodiments, the first power transmission member includes:

the adjusting drive is arranged on the front supporting plate of the base;

One end of the adjusting driving screw rod is connected with the adjusting driving through a coupler, and the other end of the adjusting driving screw rod is rotatably supported on a rear supporting plate of the base;

The screw nut is matched with the adjusting driving screw rod to realize the movement of the screw nut on the adjusting driving screw rod; the movable fork body component is connected with the screw nut, and the movable fork body component is moved under the drive of the screw nut.

In some embodiments, the second power transmission member includes:

the telescopic drive is arranged on the front supporting plate of the base;

One end of the telescopic driving spline is connected with the telescopic driving, and the other end of the telescopic driving spline is rotatably supported on a rear supporting plate of the base;

And the two spline gears are respectively sleeved on telescopic driving splines below the telescopic racks in the fixed fork body assembly and the movable fork body assembly, and when the telescopic driving splines rotate, the spline gears rotate, so that the telescopic racks meshed with the spline gears are driven.

In some embodiments, a spline gear meshed with the telescopic rack in the fixed fork body assembly is fixedly sleeved on the telescopic driving spline; spline gears meshed with the telescopic racks in the movable fork body assembly are sleeved on the telescopic driving splines in a sliding mode, protruding peripheries are arranged on two sides of the spline gears, and after the movable fork body assembly moves transversely, the spline gears are driven to move on the telescopic driving splines through the telescopic racks.

In some embodiments, the fixed fork assembly includes:

the fixed guardrail is arranged on the middle layer supporting plate of the base;

the guide plate is arranged on the inner side surface of the fixed guardrail close to the top end;

The telescopic fork body mechanism is arranged on a middle layer supporting plate positioned on the inner side of the fixed guardrail.

In some embodiments, the telescoping fork mechanism comprises:

A bottom plate which is arranged on the middle layer support plate in a manner of being perpendicular to the middle layer support plate, and is provided with lower straight teeth;

The sliding rail and the sliding plate are provided with a telescopic rack which is used for being meshed with a spline gear in the second power transmission part, the sliding rail is arranged on the bottom plate, and the sliding plate can move on the sliding rail;

the fork body is arranged on the top surface of the sliding plate through a slideway, and is provided with upper straight teeth;

The two supporting wheels are respectively arranged at two ends of the side face of the sliding plate, a chain is meshed on the two supporting wheels, the lower edge of the chain is meshed with the lower straight teeth, the upper edge of the chain is meshed with the upper straight teeth, the spline gear drives the telescopic rack to move, the sliding plate is driven to move, and the moving sliding plate pushes the fork body to move through the chain.

In some embodiments, the movable fork assembly includes:

The telescopic fork body mechanism is arranged at a sliding rail on the middle layer supporting plate of the base;

The movable guardrail is arranged on the outer side surface of the telescopic fork body mechanism and moves transversely along with the telescopic fork body mechanism;

And the guide plate is arranged at the position, close to the top end, of the inner side surface of the movable guardrail.

In some embodiments, the telescoping fork mechanism comprises:

the bottom plate is arranged at the sliding rail on the middle supporting plate in a manner of being perpendicular to the middle supporting plate, and is transversely moved through the first power transmission part, and lower straight teeth are arranged on the bottom plate;

In a second aspect, the utility model discloses a stacker provided with the double-shaft lifting fork.

Compared with the prior art, the utility model has the beneficial effects that:

1. The stacking machine has strong compatibility, the adjustment of the fork body spacing of the fork is realized by adding one driving motor, the spacing can be steplessly increased and reduced in a designated range, the variety of materials stored in the stacking machine is greatly improved, and the compatibility of equipment is improved;

2. The efficiency is high, the adjustment of the fork body spacing and the walking operation of the stacker are two mutually independent actions, so that the fork bodies can simultaneously adjust the spacing to meet the size of the materials to be stored when the stacker operates, and the high compatibility and the high efficiency can be achieved;

3. the space is compact, and the structure of the front-back telescopic lifting tray of the fork body combines the comprehensive advantages of the chain wheel, the chain and the gear rack, thereby greatly reducing the structural size and the installation space.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort.

In the drawings:

FIG. 1 is a schematic view of a dual-axis lift fork of the present utility model;

FIG. 2 is a schematic diagram of a dual-axis lift fork according to the present utility model;

FIG. 3 is a partial schematic view of an inventive dual-axis lift fork.

The attached drawings are identified: 1-a base, 2-a first power transmission component, 3-a second power transmission component, 4-a fixed fork assembly and 5-a movable fork assembly;

11-a fixed bottom plate, 12-a front supporting plate, 13-a rear supporting plate and 14-a middle supporting plate;

21-adjusting driving, 22-adjusting driving screw rods and 23-couplings;

31-telescopic driving, 32-telescopic driving splines, 33-spline gears;

41-fixed guardrails, 42-guide plates, 43-bottom plates, 44-telescopic racks, 45-sliding plates, 46-lower straight teeth, 47-upper straight teeth, 48-chains, 49-supporting wheels and 410-forks;

51-movable guardrails, 52-guide plates, 53-bottom plates, 54-telescopic racks, 55-sliding plates, 56-lower straight teeth, 57-upper straight teeth, 58-chains, 59-supporting wheels and 510-forks.

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

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model, but are not intended to limit the scope of the present utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "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.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "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. 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.

The utility model provides a double-shaft lifting fork, which is characterized in that a driving power source is added to realize the original telescopic function of the fork, and meanwhile, the distance between two fork bodies can be adjusted to adapt to trays with different widths, so that the adaptability of a stacker is improved; the fork body moves forwards and backwards under the cooperation of the chain and the straight teeth. The specific scheme is as follows:

As shown in fig. 1 and 2, a dual-shaft lifting fork comprises a base 1, a fixed fork body assembly 4, a movable fork body assembly 5, a first power transmission component 2 and a second power transmission component 3; the base 1 is used for bearing parts; the fixed fork body assembly 4 and the movable fork body assembly 5 are respectively assembled on two sides of the base 1; the first power transmission component 2 is arranged at one end of the base 1, which is close to the fixed fork body component 4, and is used for realizing the transverse movement of the movable fork body component 5 on the base 1 relative to the fixed fork body component 3, adjusting the distance between two fork bodies and meeting different cargo sizes; the second power transmission part 3 is arranged at the end of the base 1 close to the fixed fork body assembly 4 and is used for realizing synchronous longitudinal telescopic movement of the two side fork bodies.

A preferred embodiment of the above embodiment with respect to the base is given below:

With continued reference to fig. 1 and 2, the base 1 is the foundation of the pallet fork, supporting the weight of the entire pallet fork, and mainly includes a front support end plate 12, a rear support end plate 13, a fixing bottom plate 11, and a middle support plate 14. The front support plate 12 and the rear support plate 13 are respectively installed at both sides of the fixed base plate 11 for assembling the first and second power transmission members; the middle support plate 14 is mounted on the front and rear support plates for assembling the fixed and movable fork assemblies.

A preferred embodiment of the above embodiment with respect to the first power transmission member is given below:

With continued reference to fig. 1 and 2, the first power transmission member 2 is the power source of the pallet fork and the medium of power transmission. Comprises an adjusting drive 21, an adjusting drive screw 22 and a screw nut; the adjustment drive 21 is mounted on the front support plate 12 of the base 1; one end of an adjusting drive screw 22 is connected with the adjusting drive 21 through a coupler 23, and the other end of the adjusting drive screw is rotatably supported on the rear supporting plate 13 of the base 1; the screw nut is matched with the adjusting driving screw 22, so that the screw nut moves on the adjusting driving screw 22; the movable fork body assembly 4 is connected with a screw nut, and the movable fork body assembly 4 is moved under the drive of the screw nut.

A preferred embodiment of the above embodiment with respect to the second power transmission member is given below:

With continued reference to fig. 1 and 2, the second power transmission member 3 includes a telescopic drive 31, a telescopic drive spline 32, and two spline gears 33; the telescopic drive 31 is mounted on the front support plate 12 of the base 1; one end of the telescopic driving spline 32 is connected with the telescopic driving 31, and the other end of the telescopic driving spline is rotatably supported on the rear supporting plate 13 of the base 1; the two spline gears 33 are respectively sleeved on the telescopic driving spline 32 below the telescopic racks 44 and 54 in the fixed fork assembly and the movable fork assembly, and when the telescopic driving spline 32 rotates, the spline gears 33 rotate along with the telescopic driving spline 32, so that the telescopic racks 44 and 54 meshed with the spline gears 33 are driven.

The further scheme is as follows: spline gear 33 meshed with telescopic rack 44 in fixed fork assembly 4 is fixed on telescopic driving spline 32; the spline gear 33 engaged with the telescopic rack 54 in the movable fork assembly 5 is slidably sleeved on the telescopic driving spline 32, both sides of the spline gear 33 are provided with convex peripheries, and after the movable fork assembly 5 moves transversely, the spline gear 33 is driven to move on the telescopic driving spline 32 through the telescopic rack 54.

The fork body assembly is an execution assembly of the fork and is divided into a fixed fork body assembly 4 and a movable fork body assembly 5, and the main components of the two assemblies are basically consistent, and the specific scheme is as follows:

a preferred embodiment of the above embodiment with respect to the fixed fork assembly is given below:

As shown in fig. 3, the fixed fork assembly 4 includes a fixed guard 41, a guide plate 42, and a telescopic fork mechanism; the fixed guard rail 41 is mounted on the middle supporting plate 14 of the base 1; the guide plate 42 is installed at the inner side surface of the fixed guard rail 41 near the top end; the telescopic fork mechanism is mounted on the middle support plate 14 inside the fixed rail 41.

The further scheme is as follows: with continued reference to FIG. 3, the telescoping fork mechanism includes a base plate 43, a slide rail, a slide 45, a fork 410, and two support wheels 49; a bottom plate 43 is mounted thereon in a manner perpendicular to the middle support plate 14, and a lower straight tooth 46 is mounted on the bottom plate 43; a telescopic rack 44 for meshing with the spline gear 33 in the second power transmission part 3 is mounted on the slide plate 45, the slide rail is mounted on the bottom plate 43, and the slide plate 45 can move on the slide rail; the fork body 410 is arranged on the top surface of the sliding plate 45 through a slideway, and the fork body 410 is provided with upper straight teeth 47; the two supporting wheels 49 are respectively arranged at two ends of the side face of the sliding plate 45, a chain 48 is meshed with the two supporting wheels 49, the lower edge of the chain 48 is meshed with the lower straight teeth 46, the upper edge of the chain 48 is meshed with the upper straight teeth 47, the spline gear 33 drives the telescopic rack 44 to move, the sliding plate 45 is further driven to move, and the moving sliding plate 45 pushes the fork body 410 to move through the chain 48.

The following is a preferred embodiment of the above embodiment with respect to the movable fork assembly:

With continued reference to fig. 1 and 2, the movable fork assembly 5 includes a telescoping fork mechanism, a movable rail 51, and a guide plate 52; the telescopic fork body mechanism is arranged at a sliding rail on the middle layer supporting plate 14 of the base 1; the movable guardrail 51 is arranged on the outer side surface of the telescopic fork body mechanism and moves transversely along with the telescopic fork body mechanism; the guide plate 52 is installed at the inner side surface of the movable fence 51 near the tip.

The further scheme is as follows: with continued reference to fig. 1, 2 and 3, the telescopic fork mechanism comprises a bottom plate 53, a sliding rail, a sliding plate 55, a fork 510 and two supporting wheels 59; the bottom plate 53 is mounted on the sliding rail perpendicular to the middle supporting plate 14, and is transversely moved by the first power transmission component 2, and the bottom plate 53 is provided with lower straight teeth 56; a telescopic rack 54 for meshing with the spline gear 33 in the second power transmission member 3 is mounted on the slide plate 55, a slide rail is mounted on the bottom plate 53, and the slide plate 55 can move on the slide rail; the fork body 510 is arranged on the top surface of the sliding plate 55 through a slideway, and the fork body 510 is provided with an upper straight tooth 57; the two supporting wheels 59 are respectively arranged at two ends of the side face of the sliding plate 55, a chain 58 is meshed with the two supporting wheels 59, the lower edge of the chain 58 is meshed with the lower straight tooth 56, the upper edge of the chain 58 is meshed with the upper straight tooth 57, the spline gear 33 drives the telescopic rack 54 to move, the sliding plate 55 is further driven to move, and the moving sliding plate 55 pushes the fork body 510 to move through the chain 58.

From the above, the base, the driving and the fork body components are mutually matched to realize the function of the fork.

The fixed bottom plate, the front support end plate, the rear support end plate and the middle support plate are fixed together to form a stable support structure. In this structure, the telescopic drive, the adjustment drive are fixed on the front support end plate, the fixed fork body assembly and the movable fork body assembly are fixed on the middle layer support plate, and the telescopic drive spline and the adjustment drive screw are fixed on the rear support end plate.

The adjusting drive is connected with an adjusting drive screw rod through a coupler, and the tail end of the adjusting drive screw rod is supported by the rear support end plate. The adjusting driving screw is matched with the screw nut, so that the screw nut moves on the adjusting driving screw. The screw nut is fixed with the movable fork body assembly, and the movable fork body assembly is moved under the drive of the screw nut.

The flexible drive is connected with flexible drive spline, and flexible drive spline end is supported by the back end plate, flexible drive spline and spline gear mutually support, and spline gear can slide on flexible drive spline, and when flexible drive spline rotated, spline gear was followed to rotate, and then drives the flexible rack with spline gear engagement.

The fork body assembly consists of a telescopic fork body, an upper straight tooth, a chain, a lower straight tooth, a supporting wheel, a guardrail and a guide plate, the components of the fixed fork body assembly are fixed, and the components of the movable fork body assembly move along with the movement of the movable fork body. The chain can be seen to be meshed with the upper straight teeth and the lower straight teeth simultaneously, the lower edge of the chain is meshed with the lower straight teeth and is relatively static, and the upper edge of the chain is meshed with the upper straight teeth and pushes the telescopic fork body to move.

Through the introduction, the adjustment drive drives the adjustment drive screw to rotate, and then drives the screw nut to follow and move, and then drives the movable fork assembly to move, so that the change of the fork body spacing of the fork is realized, and different cargo sizes are met. The telescopic drive drives the telescopic drive spline to rotate, and then drives the spline gear to rotate, and then drives the movable fork assembly to realize telescopic motion.

The utility model also discloses a stacker provided with the double-shaft lifting fork.

In the description provided herein, numerous specific details are set forth. However, it is understood that embodiments of the utility model 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 while some embodiments described herein include some features contained in other embodiments, but not others, combinations of features of different embodiments are equally meant to be within the scope of the utility model and form different embodiments. For example, in the above embodiments, those skilled in the art can use the above embodiments in combination according to known technical solutions and technical problems to be solved by the present utility model.

The foregoing description is only illustrative of the preferred embodiment of the present utility model, and is not to be construed as limiting the utility model, but is to be construed as limiting the utility model to any simple modification, equivalent variation and variation of the above embodiments according to the technical matter of the present utility model without departing from the scope of the utility model.

Claims

1. A dual-axis lifting fork, comprising:

the base is used for bearing parts;

2. The dual axle lift fork of claim 1, wherein said base comprises:

A fixed bottom plate;

3. The dual axle lift fork of claim 1, wherein said first power transmission member comprises:

the adjusting drive is arranged on the front supporting plate of the base;

4. The dual axle lift fork of claim 1, wherein said second power transmission member comprises:

the telescopic drive is arranged on the front supporting plate of the base;

5. The dual axle lift fork of claim 4 wherein:

a spline gear meshed with the telescopic rack in the fixed fork body assembly is fixedly sleeved on the telescopic driving spline;

Spline gears meshed with the telescopic racks in the movable fork body assembly are sleeved on the telescopic driving splines in a sliding mode, protruding peripheries are arranged on two sides of the spline gears, and after the movable fork body assembly moves transversely, the spline gears are driven to move on the telescopic driving splines through the telescopic racks.

6. The dual axle lift fork of claim 1, wherein said fixed fork body assembly comprises:

7. The dual axle lift fork of claim 6, wherein said telescoping fork body mechanism comprises:

8. The dual axle lift fork of claim 1, wherein said movable fork assembly comprises:

9. The dual axle lift fork of claim 8, wherein said telescoping fork body mechanism comprises:

10. A stacker, characterized in that:

A dual axle lifting fork as claimed in any one of claims 1 to 9 is mounted.