CN214879943U

CN214879943U - Fork truck with lifting height automatic compensation mechanism

Info

Publication number: CN214879943U
Application number: CN202121690564.4U
Authority: CN
Inventors: 张清晨; 孙小建; 李超
Original assignee: Shanxi Xingfuli Weiye Technology Co ltd
Current assignee: Shanxi Xingfuli Weiye Technology Co ltd
Priority date: 2021-07-23
Filing date: 2021-07-23
Publication date: 2021-11-26
Anticipated expiration: 2031-07-23

Abstract

The utility model discloses a fork truck with high automatic compensation mechanism of lifting, including first fork, the fixed two way motor that is provided with in one side bottom of first fork, one side swing joint of two way motor has first transmission shaft, the one end fixedly connected with drive gear of first transmission shaft, the drive gear outside matches and is provided with the driving chain, inside and swing joint that drive gear's one end was kept away from to the driving chain extend to first fork have the second driven gear. Support the goods through first fork and second fork, when the height of first fork and second fork was not enough to reach the discharge height, it is rotatory simultaneously to drive first transmission shaft and second transmission shaft through two-way motor to enable the lifting board and rise gradually, utilize the lifting board to complement the difference in height between first fork and second fork and the goods automatically, make the transport work normally go on, have spreading value.

Description

Fork truck with lifting height automatic compensation mechanism

Technical Field

The utility model relates to a lifting fork truck technical field specifically is a fork truck with high automatic compensation mechanism of lifting.

Background

The cargo handling refers to a general term for loading, unloading and other operations of the cargo during transportation and production. Cargo handling is an important component of the transportation production process. The goods loading and unloading are carried out strictly according to the operation regulations and the safety requirements, so that the goods can be ensured to be intact, the efficiency is improved to the maximum extent, and the overall cost is reduced. When cargoes are loaded and unloaded in a factory, a worker usually operates a forklift to work. A forklift is a vehicle for industrial transportation, and refers to a wheel type transportation vehicle for loading, unloading, stacking and short-distance transportation of finished pallet goods. Referred to as industrial vehicles by the international organization for standardization. The thermal insulation board on the truck can be unloaded and carried by the forklift.

However, when the existing forklift is used, the fork usually cannot perform automatic height compensation, and the automatic compensation is that when the height of the goods exceeds the working range of the fork of the forklift, the height can be automatically complemented, because when the fork of the forklift carries goods at a higher position, the position of some goods is higher, and the height which can be lifted by the fork cannot reach the height of the goods, so that the normal carrying work is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fork truck with high automatic compensation mechanism of lifting to solve the problem of proposing among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a fork truck with high automatic compensation mechanism of lifting, includes first fork, the fixed two way motor that is provided with in one side bottom of first fork, one side swing joint of two way motor has first transmission shaft, the one end fixedly connected with drive gear of first transmission shaft, the drive gear outside matches and is provided with the driving chain, inside and swing joint that drive gear's one end was kept away from to the driving chain extend to first fork have the second driven gear, one side fixedly connected with second back shaft of second driven gear, the one end fixedly connected with second pillar of second back shaft, the inboard swing joint in middle part of driving chain has first driven gear, the first supporting shaft of one side fixedly connected with of first driven gear, the first pillar of one end fixedly connected with of first supporting shaft.

Preferably, the inner side of the first fork is movably provided with a lifting plate, one end of the lifting plate extends to the outside of the first fork, and one end of the second support column, which is far away from the first support column, extends to the outside of the first fork, so that the lifting plate can be stably supported.

Preferably, a first hinge rod is movably arranged between the lifting plate and the first support column, and a second hinge rod is movably arranged between the lifting plate and the second support column, so that the lifting plate can be lifted.

Preferably, one end of the second hinge rod close to the second pillar is fixedly connected with a fixed hinge support, the bottom of the fixed hinge support is fixedly connected with the top of the second pillar, and one end of the second hinge rod close to the lifting plate is movably connected with a movable hinge support, so that the second hinge rod can be stably supported.

Preferably, one side swing joint that first transmission shaft was kept away from to two-way motor has the second transmission shaft, and first fork in two-way motor's top fixedly connected with guard plate, one side fixedly connected with mount that first fork was kept away from to the guard plate, the one end of second transmission shaft extends to one side of second fork, the structure of second fork and first fork is the same, one side of second fork and one side fixed connection of guard plate support the goods simultaneously through first fork and second fork.

Preferably, the pressure-resistant spring is fixedly arranged at one end of the second supporting shaft inside the first fork, the top end of the movable hinged support extends to the inside of the lifting plate, the telescopic spring is fixedly connected to one side of the movable hinged support in the inside of the lifting plate, and the movable hinged support can move at the bottom of the lifting plate.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is:

1. this fork truck with high automatic compensation mechanism of lifting supports the goods through first fork and second fork, and when the height of first fork and second fork was not enough to reach the discharge height, it is rotatory simultaneously to drive first transmission shaft and second transmission shaft through two-way motor to enable the lifting board and rise gradually, utilize the lifting board to complement the difference in height between first fork and second fork and the goods automatically, make the transport work normally go on, have spreading value.

2. This fork truck with high automatic compensation mechanism of lifting is connected through the one end of resistance to compression spring with the second back shaft, and when the lifting board need insert the tray bottom, resistance to compression spring and expanding spring atress simultaneously. Make second pillar and activity hinged-support slide to one side of first pillar simultaneously to improved the bearing scope of lifting board to the goods, the practicality is strong.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and 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 and not to limit the invention. In the drawings:

FIG. 1 is a front sectional view of the present invention;

FIG. 2 is an enlarged schematic view of a portion A of FIG. 1 according to the present invention;

fig. 3 is a partial left side view of the fixing frame of the present invention;

fig. 4 is a partial schematic structural view of a first fork of the present invention;

fig. 5 is a partial front sectional view of the lifting plate of the present invention.

In the figure: 1. a fixed mount; 2. a protection plate; 3. a first fork; 4. a second fork; 5. a bi-directional motor; 6. a first drive shaft; 7. a drive chain; 8. a first support shaft; 9. a transmission gear; 10. a second support shaft; 11. a first support; 12. a second support; 13. lifting the plate; 14. a first hinge lever; 15. a second hinge lever; 16. a fixed hinge support; 17. a second drive shaft; 18. a compression spring; 19. a tension spring; 20. a movable hinged support; 21. a first driven gear; 22. a second driven gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-3, a forklift with an automatic lifting height compensation mechanism includes a first fork 3, a bidirectional motor 5 is fixedly disposed at the bottom of one side of the first fork 3, a first transmission shaft 6 is movably connected to one side of the bidirectional motor 5, a protection plate 2 is fixedly connected to the top of the bidirectional motor 5 of the first fork 3, a fixing frame 1 is fixedly connected to one side of the protection plate 2 away from the first fork 3, one end of a second transmission shaft 17 extends to one side of the second fork 4, the second fork 4 and the first fork 3 have the same structure, one side of the second fork 4 is fixedly connected to one side of the protection plate 2, the first fork 3 and the second fork 4 are fixedly connected to the forklift through the fixing frame 1, one end of the first transmission shaft 6 is fixedly connected to a transmission gear 9, a transmission chain 7 is disposed outside the transmission gear 9 in a matching manner, one end of the transmission chain 7, which is far away from the transmission gear 9, extends to the inside of the first fork 3 and is movably connected with a second driven gear 22, one side of the second driven gear 22 is fixedly connected with a second support shaft 10, one end of the second support shaft 10 is fixedly connected with a second support column 12, the inner side of the middle part of the transmission chain 7 is movably connected with a first driven gear 21, one side of the first driven gear 21 is fixedly connected with a first support shaft 8, one end of the first support shaft 8 is fixedly connected with a first support column 11, the inner side of the first fork 3 is movably provided with a lifting plate 13, one end of the lifting plate 13 extends to the outside of the first fork 3, one end of the second support column 12, which is far away from the first support column 11, extends to the outside of the first fork 3, one side of the lifting plate 13 is stably supported by the second support column 12, and a first rod hinge 14 is movably arranged between the lifting plate 13 and the first support column 11, a second hinge rod 15 is movably arranged between the lifting plate 13 and the second support column 12, one end of the second hinge rod 15 close to the second support column 12 is fixedly connected with a fixed hinge support 16, the bottom of the fixed hinge support 16 is fixedly connected with the top of the second support column 12, one end of the second hinge rod 15 close to the lifting plate 13 is movably connected with a movable hinge support 20, and the movable hinge support 20 stably supports one end of the second hinge rod 15.

The implementation mode is specifically as follows: when the forklift works, the protection plate 2, the first fork 3 and the second fork 4 are fixedly connected to the forklift through the fixing frame 1, the forklift controls the first fork 3 and the second fork 4 to be lifted, the first fork 3 and the second fork 4 support cargos, when the heights of the first fork 3 and the second fork 4 are not enough to reach the unloading height, the two-way motor 5 drives the first transmission shaft 6 and the second transmission shaft 17 to rotate simultaneously, the first transmission shaft 6 drives the transmission gear 9 to rotate, the transmission gear 9 drives the transmission chain 7 to rotate, the transmission chain 7 drives the first driven gear 21 and the second driven gear 22 to rotate simultaneously, the first driven gear 21 drives the first supporting shaft 8 to rotate, the first supporting shaft 8 drives the first supporting column 11 to gradually rotate to the vertical state, the second driven gear 22 drives the second supporting shaft 10 to rotate simultaneously, and the second supporting column 12 is driven to rotate to the vertical state through the second supporting shaft 10, can make first pillar 11 drive first articulated rod 14 and support one side of lifting board 13, second pillar 12 drives second articulated rod 15 and supports the opposite side of lifting board 13, support the both ends of second articulated rod 15 through fixed hinge support 16 and activity hinge support 20 respectively in a flexible way, thereby enable lifting board 13 and stably rise, utilize lifting board 13 to complement the difference in height between first fork 3 and second fork 4 and the goods automatically, make the transport work normally go on, and has popularization value.

As shown in fig. 1 and fig. 3-4, the forklift with the lifting height automatic compensation mechanism further includes a compression spring 18 fixedly disposed inside the first fork 3, one end of the compression spring 18 is fixedly connected with the outer side of one end of the second support shaft 10, the top end of the movable hinge support 20 extends to the inside of the lifting plate 13, and a telescopic spring 19 is fixedly connected to one side of the movable hinge support 20 inside the lifting plate 13.

The implementation mode is specifically as follows: through the one end connection of resistance to compression spring 18 with second back shaft 10, when lifting board 13 need insert the tray bottom, resistance to compression spring 18 and expanding spring 19 atress simultaneously make second pillar 12 and activity hinge support 20 slide to one side of first pillar 11 simultaneously to improved the bearing scope of lifting board 13 to the goods, the practicality is strong.

The utility model discloses a theory of operation:

referring to the attached drawings 1-3 of the specification, the goods are supported by the first fork 3 and the second fork 4, when the heights of the first fork 3 and the second fork 4 are not enough to reach the unloading height, the first transmission shaft 6 and the second transmission shaft 17 are driven to rotate simultaneously by the bidirectional motor 5, so that the lifting plate 13 can be gradually lifted, the height difference between the first fork 3 and the goods and the height difference between the second fork 4 and the goods are automatically complemented by the lifting plate 13, the carrying work is normally carried out, and the lifting device has popularization value.

Further, referring to the attached drawings 1 and fig. 3-4 of the specification, the compression-resistant spring 18 is connected with one end of the second supporting shaft 10, when the lifting plate 13 needs to be inserted into the bottom of the tray, the compression-resistant spring 18 and the telescopic spring 19 are simultaneously stressed, so that the second supporting column 12 and the movable hinge support 20 simultaneously slide to one side of the first supporting column 11, the supporting range of the lifting plate 13 for goods is increased, and the practicability is strong.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fork truck with high automatic compensation mechanism of lifting, includes first fork (3), its characterized in that: a two-way motor (5) is fixedly arranged at the bottom of one side of the first pallet fork (3), a first transmission shaft (6) is movably connected to one side of the two-way motor (5), a transmission gear (9) is fixedly connected to one end of the first transmission shaft (6), a transmission chain (7) is arranged on the outer side of the transmission gear (9) in a matching manner, one end, far away from the transmission gear (9), of the transmission chain (7) extends to the inside of the first pallet fork (3) and is movably connected with a second driven gear (22), a second supporting shaft (10) is fixedly connected to one side of the second driven gear (22), a second supporting column (12) is fixedly connected to one end of the second supporting shaft (10), a first driven gear (21) is movably connected to the inner side of the middle of the transmission chain (7), and a first supporting shaft (8) is fixedly connected to one side of the first driven gear (21), one end of the first supporting shaft (8) is fixedly connected with a first supporting column (11).

2. The forklift with the automatic lifting height compensation mechanism of claim 1, wherein: the inner side of the first fork (3) is movably provided with a lifting plate (13), one end of the lifting plate (13) extends to the outside of the first fork (3), and one end, far away from the first support column (11), of the second support column (12) extends to the outside of the first fork (3).

3. The forklift with the automatic lifting height compensation mechanism according to claim 2, wherein: a first hinged rod (14) is movably arranged between the lifting plate (13) and the first support column (11), and a second hinged rod (15) is movably arranged between the lifting plate (13) and the second support column (12).

4. The forklift with the automatic lifting height compensation mechanism according to claim 3, wherein: one end, close to the second supporting column (12), of the second hinged rod (15) is fixedly connected with a fixed hinged support (16), the bottom of the fixed hinged support (16) is fixedly connected with the top of the second supporting column (12), and one end, close to the lifting plate (13), of the second hinged rod (15) is movably connected with a movable hinged support (20).

5. The forklift with the automatic lifting height compensation mechanism of claim 1, wherein: one side swing joint that first transmission shaft (6) was kept away from in two-way motor (5) has second transmission shaft (17), first fork (3) in top fixedly connected with guard plate (2) of two-way motor (5), one side fixedly connected with mount (1) of first fork (3) are kept away from in guard plate (2), the one end of second transmission shaft (17) extends to one side of second fork (4), the structure of second fork (4) and first fork (3) is the same, one side of second fork (4) and one side fixed connection of guard plate (2).

6. The forklift with the automatic lifting height compensation mechanism of claim 4, wherein: one end of a second supporting shaft (10) in the first fork (3) is fixedly provided with a compression-resistant spring (18), the top end of the movable hinged support (20) extends to the inside of the lifting plate (13), and one side of the movable hinged support (20) is fixedly connected with a telescopic spring (19) in the lifting plate (13).