CN213231427U

CN213231427U - Single-depth telescopic fork

Info

Publication number: CN213231427U
Application number: CN202022098623.0U
Authority: CN
Inventors: 周义术; 马鑫
Original assignee: Nanjing Huade Storage Equipment Manufacture Co ltd
Current assignee: Nanjing Huade Storage Equipment Manufacture Co ltd
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-05-18
Anticipated expiration: 2030-09-23

Abstract

The utility model relates to a flexible fork of single depth position, including last fork board, well slide, lower planker, front end plate and back bedplate, the inside of going up the fork board is equipped with the slide rail, well slide includes guide rail and connecting plate, the both sides of connecting plate are connected with the guide rail respectively, well slide is pegged graft with last fork board, well slide passes through guide rail and slide rail sliding connection behind well slide and the last fork board cartridge, the planker is U type structure down, the planker pegs graft with well slide down, pass through guide rail sliding connection behind planker and the well slide cartridge down, the front end plate is fixed in bottom one side of planker down, the bottom opposite side of planker under the back bedplate is fixed, the bottom of back bedplate still is equipped with the motor. The utility model has the advantages that the whole structure is simple, adopt fork board, well slide and the three major part spare of lower planker alright realize mutual sliding motion, reduced manufacturing cost, be favorable to the maintenance and the maintenance in later stage to reduce maintenance cost.

Description

Single-depth telescopic fork

Technical Field

The utility model relates to an automatic change storehouse storage commodity circulation technical field, especially relate to a flexible fork of single deep position for storage goods shelves transportation.

Background

The stacker adopts the fork to transport the goods when handling the goods, and stacker and fork constitute close inseparable system, and the transmission mechanism that current industry fork adopted is complicated, and spare part is various, and manufacturing cost is high, and the product later maintenance and the maintenance degree of difficulty are big simultaneously, lead to the maintenance cost also to be high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fork that stretches out and draws back in single deep position to solve the problem that meets among the above-mentioned background art.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

a single-depth telescopic fork comprises an upper fork plate, a middle sliding plate, a lower carriage plate, a front end plate and a rear seat plate, wherein two sliding rails are arranged inside the upper fork plate, a first pull rod bolt is fixed between the two sliding rails, the middle sliding plate comprises a guide rail and a connecting plate, two sides of the connecting plate are respectively connected with the guide rail, two ends of the connecting plate are respectively and rotatably connected with a first chain wheel, chain racks are uniformly fixed on the upper side and the lower side inside the connecting plate, the middle sliding plate is inserted into the upper fork plate and is then slidably connected with the upper fork plate through the guide rail and the sliding rails, the lower carriage plate is in a U-shaped structure, the lower carriage plate is inserted into the middle sliding plate and is then slidably connected with the guide rail, a second pull rod bolt is fixed on the bottom surface of an inner cavity of the lower carriage, the lower carriage is close to a side plate inner side of the second chain wheel is fixed with a chain baffle through a fixing block, the front end plate is fixed on one side of the bottom of the lower carriage, the bottom of the front end plate is provided with a first fixing seat and an adjusting seat, a chain wheel on the first fixing seat is connected with a chain wheel on the adjusting seat through chain transmission, the rear seat plate is fixed on the other side of the bottom of the lower carriage, the bottom of the rear seat plate is provided with a main transmission shaft and a second fixing seat, the chain wheel on the main transmission shaft is connected with the chain wheel on the second fixing seat through chain transmission, the bottom of the rear seat plate is further provided with a motor, and the main transmission shaft is.

In the above scheme, the outside of slide rail is rotated and is connected with first roller bearing, the interior spout has been seted up to the inboard of guide rail, the guide rail passes through interior spout and first roller bearing's cooperation and slide rail sliding connection.

In the above scheme, the first roller bearings are uniformly distributed on the outer side of the slide rail and are all located on the same horizontal line, the outer side of the slide rail is further provided with a first auxiliary guide wheel, and the first auxiliary guide wheel is located on one side of the first roller bearing and is located on the same horizontal line with the first roller bearing.

In the above scheme, an outer sliding groove is formed in the outer side of the guide rail, the inner sides of the two side plates of the lower carriage are rotatably connected with a second roller bearing, and the lower carriage is in sliding connection with the guide rail through the matching of the second roller bearing and the outer sliding groove.

In the above scheme, the second roller bearings are uniformly distributed on the inner side of the lower carriage and are all located on the same horizontal line, the inner side of the lower carriage is further provided with a second auxiliary guide wheel, and the second auxiliary guide wheel is located on one side of the second roller bearing and is located on the same horizontal line with the second roller bearing.

In the above scheme, the bottom of the guide rail is provided with a limiting groove, and one side of the inner cavity of the lower carriage is provided with a limiting plate.

In the above scheme, a sensor mounting plate is mounted at one side of the bottom of the connecting plate, which is close to the guide rail, and a sensor mounting groove is mounted at one side of an inner cavity of the lower carriage.

In the above scheme, the lower carriage is internally provided with a support plate connected with the side plates at two sides, and the support plate is of an inverted U-shaped structure.

Compared with the prior art, the beneficial effects of the utility model are that: this flexible fork overall structure of single deep position is simple, adopts three major part of fork board, well slide and lower carriage alright realize mutual sliding motion, has reduced manufacturing cost, is favorable to the maintenance and the maintenance in later stage to reduce the maintenance cost. And because the internal structure of the fork only adopts three parts to realize mutual sliding, the whole height of the fork is very low, and the loading platform of the stacker can have larger longitudinal displacement distance after the single-deep telescopic fork is installed, thereby being capable of transporting a plurality of goods shelves at one time.

Drawings

The disclosure of the present invention is explained with reference to the drawings. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the invention. In the drawings, like reference numerals are used to refer to like parts. Wherein:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the upper fork plate of the present invention;

FIG. 3 is a schematic view of the structure of the middle skateboard of the present invention;

FIG. 4 is a schematic view of the structure of the lower carriage of the present invention;

FIG. 5 is a schematic structural view of a middle front end plate of the present invention;

FIG. 6 is a schematic view of the structure of the middle back seat board of the present invention;

FIG. 7 is a schematic view of the integrally assembled inner structure of the present invention;

fig. 8 is a schematic view of the overall side view structure of the present invention.

Reference numbers in the figures: 1-upper fork plate; 11-a slide rail; 12-a first roller bearing; 13-a first auxiliary guide wheel; 14-first draw bolt; 2-middle sliding plate; 21-a guide rail; 22-outer chute; 23-an inner chute; 24-a limit groove; 25-a sensor mounting plate; 26-a connecting plate; 27-a first sprocket; 28-chain rack; 3-a lower carriage; 31-a second roller bearing; 32-a second sprocket; 33-a second auxiliary guide wheel; 34-a support plate; 35-second draw bar bolt; 36-chain guards; 37-fixed block; 38-sensor mounting slot; 39-limiting plate; 4-front end plate; 41-a first fixed seat; 42-an adjusting seat; 5-a rear seat board; 51-a main drive shaft; 52-second fixed seat; 6-motor.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the invention only in a schematic way, and therefore they show only the relevant components of the invention.

According to the technical scheme of the utility model, under the essential spirit of the utility model, general technical personnel in this field can propose the multiple structural style and the realization that can replace each other. Therefore, the following detailed description and the accompanying drawings are merely illustrative of the technical solutions of the present invention, and should not be considered as limiting or restricting the technical solutions of the present invention in their entirety or in any other way.

The technical solution of the present invention will be further described in detail with reference to the accompanying drawings and embodiments.

As shown in fig. 1 and 8, a single-depth telescopic pallet fork comprises an upper fork plate 1, a middle sliding plate 2, a lower carriage 3, a front end plate 4 and a rear seat plate 5. Referring to fig. 2, the upper fork plate 1 is provided with two slide rails 11 inside, and a first draw bolt 14 is fixed between the two slide rails 11 and used for installing a chain to drive the upper fork plate 1 to slide left and right in a driving state. When implementing, go up fork board 1 and be equipped with two, certainly also can only adopt one to go up fork board 1, all can realize this flexible fork of single deep position to the transport of inserting of goods, can bear bigger load when adopting two to go up fork board 1.

Referring to fig. 3, the middle sliding plate 2 includes a guide rail 21 and a connecting plate 26, two sides of the connecting plate 26 are respectively connected to the guide rail 21, similar to an i shape, two ends of the connecting plate 26 are respectively rotatably connected to a first sprocket 27, and chain racks 28 are uniformly fixed on the upper and lower sides inside the connecting plate 26. The middle sliding plate 2 is inserted into the upper fork plate 1, and the middle sliding plate 2 is inserted into the upper fork plate 1 and then is connected with the sliding rail 11 through the guide rail 21 in a sliding manner.

Specifically, the outer side of the slide rail 11 is rotatably connected with a first roller bearing 12, the inner side of the guide rail 21 is provided with an inner chute 23, and the guide rail 21 is slidably connected with the slide rail 11 through the matching of the inner chute 23 and the first roller bearing 12.

As a preferable scheme, the first roller bearings 12 are uniformly distributed on the outer side of the slide rail 11 and are all located on the same horizontal line, a first auxiliary guide wheel 13 is further disposed on the outer side of the slide rail 11, and the first auxiliary guide wheel 13 is located on one side of the first roller bearing 12 and is located on the same horizontal line with the first roller bearing 12. When the upper fork plate 1 and the middle sliding plate 2 slide with each other, the first auxiliary guide wheel 13 is used for assisting the first roller bearing 12 to roll, and has the function of supporting and guiding.

Referring to fig. 4, the lower carriage 3 is a U-shaped structure, the lower carriage 3 is inserted into the middle sliding plate 2, and the lower carriage 3 is inserted into the middle sliding plate 2 and then slidably connected thereto through the guide rail 21. Specifically, an outer sliding groove 22 is formed in the outer side of the guide rail 21, the inner sides of two side plates of the lower carriage 3 are rotatably connected with a second roller bearing 31, and the lower carriage 3 is slidably connected with the guide rail 21 through the matching of the second roller bearing 31 and the outer sliding groove 22.

Preferably, the second roller bearings 31 are uniformly distributed on the inner side of the lower carriage 3 and are all located on the same horizontal line, the inner side of the lower carriage 3 is further provided with a second auxiliary guide wheel 33, and the second auxiliary guide wheel 33 is located on one side of the second roller bearing 31 and is located on the same horizontal line with the second roller bearing 31. The second auxiliary guide wheel 33 is used for assisting the second roller bearing 31 to roll, and has the function of supporting and guiding.

The bottom surface of the inner cavity of the lower carriage 3 is fixed with a second pull rod bolt 35 for installing a chain to drive the upper fork plate 1 to slide left and right under a driving state, one end of the chain is fixed with the second pull rod bolt 35, the other end of the chain passes through the middle sliding plate 2 to be fixedly connected with the first pull rod bolt 14 on the upper fork plate 1, and the middle part of the chain is in transmission connection with the first chain wheels 27 on two sides of the middle sliding plate 2. In practice, two chains are provided, one of the two chains is in transmission connection with the first chain wheel 27 on the left side of the middle sliding plate 2 and is used for driving the upper fork plate 1 to slide leftwards, and the other chain is in transmission connection with the first chain wheel 27 on the right side of the middle sliding plate 2 and is used for driving the upper fork plate 1 to slide rightwards.

The inner side of one side plate of the lower carriage 3 is rotatably connected with a second chain wheel 32 through a rotating shaft, and the inner side of one side plate of the lower carriage 3 close to the second chain wheel 32 is fixed with a chain baffle 36 through a fixing block 37 for later-stage chain installation to enable the second chain wheel 32 to rotate.

In implementation, a supporting plate 34 for connecting the side plates at two sides may be further disposed inside the lower carriage 3, and the supporting plate 34 is an inverted U-shaped structure. The side plates on both sides of the lower carriage 3 are firmly fixed by the support plate 34, so that a stable connection structure can be formed by the connection of the support plate 34 even when the lower carriage 3 is in a non-U-shaped structure.

Referring to fig. 5, the front end plate 4 is fixed to one side of the bottom of the lower carriage 3 by bolts, the bottom of the front end plate 4 is provided with a first fixing seat 41 and an adjusting seat 42, and a sprocket on the first fixing seat 41 is in transmission connection with a sprocket on the adjusting seat 42 through a chain. Referring to fig. 6, the rear seat plate 5 is fixed to the other side of the bottom of the lower carriage 3 by bolts, the bottom of the rear seat plate 5 is provided with a main transmission shaft 51 and a second fixing seat 52, two ends of the main transmission shaft 51 are mounted at the bottom of the rear seat plate 5 by bearing seats, and a sprocket on the main transmission shaft 51 is in transmission connection with a sprocket on the second fixing seat 52 by a chain. The bottom of the back seat plate 5 is also provided with a motor 6, a main transmission shaft 51 is driven by the motor 6, a chain wheel can be fixed at the output end of the motor 6, and the chain wheel is connected with the chain wheel on the main transmission shaft 51 through a 06B single-row chain transmission.

As a preferable scheme, a mechanical limit may be additionally provided in the above scheme to limit the relative sliding distance between the middle slide plate 2 and the lower carriage 3. The bottom of the guide rail 21 is provided with a limiting groove 24, each middle sliding plate 2 is provided with two guide rails 21, only one of the guide rails 21 is provided with the limiting groove 24, and the length of the limiting groove 24 is 3/5-4/5 of the length of the guide rail 21. A limit plate 39 is arranged at one side of the inner cavity of the lower carriage 3, and the position of the limit plate 39 corresponds to the limit groove 24. In the relative sliding process of the middle sliding plate 2 and the lower carriage 3, the limit plate 39 slides in the limit groove 24, and when the limit plate 39 slides to the end of the limit groove 24, the limit plate 39 cannot slide continuously, so that the relative sliding distance of the middle sliding plate 2 and the lower carriage 3 is limited.

As a preferable scheme, an electro-optical limit may be additionally provided in the above scheme to limit the relative sliding distance between the middle slide plate 2 and the lower carriage 3. A sensor mounting plate 25 for mounting a sensor such as a displacement sensor is mounted on a side of the bottom of the connecting plate 26 adjacent to the guide rail 21. A sensor mounting groove 38 is arranged on one side of the inner cavity of the lower carriage 3, and a correlation photoelectric sensor is arranged in the sensor mounting groove 38. In the relative sliding process of the middle sliding plate 2 and the lower carriage 3, the displacement sensor on the sensor mounting plate 25 slides in the sensor mounting groove 38, when the displacement sensor slides to the end part of the sensor mounting groove 38, the displacement sensor on the sensor mounting plate 25 cannot receive the corresponding photoelectric signal, so that the sliding is stopped, the relative sliding distance of the middle sliding plate 2 and the lower carriage 3 is limited, or the photoelectric sensor alternately shields the opposite photoelectric signal to realize photoelectric limitation.

The working principle is as follows: as shown in fig. 7, the output shaft of the motor 6 drives the main transmission shaft 51 to rotate through a chain, and the main transmission shaft 51 is used for enabling the left and right single-depth telescopic forks to synchronously operate. The main transmission shaft 51 rotates to drive another chain for transmission, and the chain is additionally arranged on a small chain wheel on the outer side of the main transmission shaft 51. The small chain wheel drives the chain wheel on the second fixed seat at the bottom of the lower carriage 3, the chain wheel on the first fixed seat 41, the chain wheel on the adjusting seat 42 and the second chain wheels 32 on two sides of the lower carriage 3 to rotate through the chain, the chain rotates in the chain baffle 36, and in the rotating process, chain links of the chain are meshed with the chain rack 28 on the middle sliding plate 2, so that the middle sliding plate 2 is driven to move left and right. In the relative sliding process of the middle sliding plate 2 and the lower carriage 3, the first chain wheel 27 in the middle sliding plate 2 drives the upper fork plate 1 to slide left and right through a third chain, the middle part of the third chain is wound on the first chain wheel 27, two ends of the third chain are respectively fixed on the second pull rod bolt 35 and the first pull rod bolt 14, the third chain drives the upper fork plate 1 to move left and right relative to the middle sliding plate 2, and finally the output work of the motor 6 is transmitted to the upper fork plate 1.

This flexible fork overall structure of single deep position is simple, adopts three major part alright realization mutual sliding motion of fork board 1, well slide 2 and lower planker 3, has reduced manufacturing cost, is favorable to the maintenance and the maintenance in later stage to reduce the maintenance cost. And because the internal structure of the fork only adopts three parts to realize mutual sliding, the whole height of the fork is very low, and the loading platform of the stacker can have larger longitudinal displacement distance after the single-deep telescopic fork is installed, thereby being capable of transporting a plurality of goods shelves at one time.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The above-mentioned embodiments further explain in detail the objects, technical solutions and advantages of the present invention, and it should be understood that the above-mentioned embodiments are only the embodiments of the present invention, and are not intended to limit the scope of the present invention, any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the scope of the present invention.

Claims

1. The utility model provides a flexible fork of single deep position which characterized in that: the novel bicycle saddle comprises an upper fork plate (1), a middle sliding plate (2), a lower saddle (3), a front end plate (4) and a rear seat plate (5), wherein two sliding rails (11) are arranged inside the upper fork plate (1), two sliding rails (11) are arranged, a first pull rod bolt (14) is fixed between the two sliding rails (11), the middle sliding plate (2) comprises a guide rail (21) and a connecting plate (26), two sides of the connecting plate (26) are respectively connected with the guide rail (21), two ends of the connecting plate (26) are respectively and rotatably connected with a first chain wheel (27), chain racks (28) are uniformly fixed on the upper side and the lower side inside the connecting plate (26), the middle sliding plate (2) is inserted into the upper fork plate (1) and then is slidably connected with the guide rail (21) and the sliding rails (11), the lower saddle (3) is of a U-shaped structure, the lower carriage (3) is connected with the middle sliding plate (2) in an inserting mode, the lower carriage (3) is connected with the middle sliding plate (2) in a sliding mode through a guide rail (21) in a sliding mode after being inserted into the middle sliding plate, a second pull rod bolt (35) is fixed to the bottom face of an inner cavity of the lower carriage (3), a second chain wheel (32) is rotatably connected to the inner side of a side plate of the lower carriage (3) through a rotating shaft, a chain baffle (36) is fixed to the inner side, close to the second chain wheel (32), of the side plate of the lower carriage (3) through a fixing block (37), a front end plate (4) is fixed to one side of the bottom of the lower carriage (3), a first fixing seat (41) and an adjusting seat (42) are arranged at the bottom of the front end plate (4), the chain wheel on the first fixing seat (41) is connected with the chain wheel on the adjusting seat (42) in a, the bottom of back bedplate (5) is equipped with final drive shaft (51) and second fixing base (52), the sprocket on final drive shaft (51) passes through chain drive with the sprocket on second fixing base (52) to be connected, the bottom of back bedplate (5) still is equipped with motor (6), final drive shaft (51) by motor (6) drive.

2. The single depth telescopic fork of claim 1, wherein: the outside of slide rail (11) is rotated and is connected with first roller bearing (12), interior spout (23) have been seted up to the inboard of guide rail (21), guide rail (21) are through the cooperation and slide rail (11) sliding connection of interior spout (23) and first roller bearing (12).

3. The single depth telescopic fork of claim 2, wherein: the first roller bearings (12) are uniformly distributed on the outer side of the sliding rail (11) and are located on the same horizontal line, a first auxiliary guide wheel (13) is further arranged on the outer side of the sliding rail (11), and the first auxiliary guide wheel (13) is located on one side of the first roller bearings (12) and is located on the same horizontal line with the first roller bearings (12).

4. The single depth telescopic fork of claim 1, wherein: an outer sliding groove (22) is formed in the outer side of the guide rail (21), the inner sides of two side plates of the lower carriage (3) are rotatably connected with a second roller bearing (31), and the lower carriage (3) is in sliding connection with the guide rail (21) through the matching of the second roller bearing (31) and the outer sliding groove (22).

5. The single depth telescopic fork of claim 4, wherein: the second roller bearings (31) are uniformly distributed on the inner side of the lower carriage (3) and are all located on the same horizontal line, a second auxiliary guide wheel (33) is further arranged on the inner side of the lower carriage (3), and the second auxiliary guide wheel (33) is located on one side of the second roller bearings (31) and is located on the same horizontal line with the second roller bearings (31).

6. The single depth telescopic fork of claim 1, wherein: the bottom of the guide rail (21) is provided with a limiting groove (24), and one side of the inner cavity of the lower carriage (3) is provided with a limiting plate (39).

7. The single depth telescopic fork of claim 1, wherein: and a sensor mounting plate (25) is mounted on one side, close to the guide rail (21), of the bottom of the connecting plate (26), and a sensor mounting groove (38) is mounted on one side of an inner cavity of the lower carriage (3).

8. The single depth telescopic fork of claim 1, wherein: the inner part of the lower carriage (3) is provided with a support plate (34) connected with the side plates at two sides, and the support plate (34) is of an inverted U-shaped structure.