CN210710597U

CN210710597U - Forklift gantry lifting system

Info

Publication number: CN210710597U
Application number: CN201921344308.2U
Authority: CN
Inventors: 李祥祥; 王茂兵; 张征; 任新雷; 时爱东; 吴年年
Original assignee: Anhui Heli Co Ltd
Current assignee: Anhui Heli Co Ltd
Priority date: 2019-08-19
Filing date: 2019-08-19
Publication date: 2020-06-09
Anticipated expiration: 2029-08-19

Abstract

The utility model discloses a fork truck portal hoisting system, including fork truck portal and the fork frame that upper and lower sliding connection is in on the fork truck portal, the fork frame is kept away from one end horizontal sliding connection of fork truck portal has the fork, be equipped with between the fork frame and the fork truck portal and be used for driving the fork frame is at the hoisting device that slides on the fork truck portal, hoisting device includes rack and rotating connection fixedly connected with on the fork truck portal with the fork truck portal is close to the straight-teeth gear of fork truck portal one side, the straight-teeth gear with the rack meshing connection, this application through setting up rack and pinion transmission system, simultaneously through the motor for the up-and-down motion of fork frame provides power, therefore simplified the structure of fork truck hoisting device, the original lifting hydraulic cylinder that cancels simultaneously, the arrangement of the high-pressure pipeline on the fork truck portal that reduces, the safety performance is improved, and the damage caused by the fault of the high-pressure pipeline in the working process is effectively avoided.

Description

Forklift gantry lifting system

Technical Field

The utility model relates to a fork truck technical field specifically is a fork truck portal plays to rise system.

Background

The forklift gantry is a main bearing structure of the forklift object taking device; a mechanism for lifting the goods, also known as a gantry; the fork type forklift truck is composed of an inner gantry, an outer gantry, a fork frame, a fork, an inclined oil cylinder and the like.

For some forklifts which do not need to lift high, the existing gantry lifting system is complex in structure and driven by a hydraulic cylinder, so that the complexity of the structure is further increased, and the environment is polluted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fork truck portal plays to rise system to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a fork truck portal plays to rise system, include the fork truck portal and from top to bottom sliding connection in fork truck portal is last fork frame, the fork frame is kept away from the horizontal sliding connection of one end of fork truck portal has the fork, the fork frame with be equipped with between the fork truck portal and be used for driving the fork frame is in gliding device that plays to rise on the fork truck portal, play to rise the device include fixed connection in rack on the fork truck portal with rotate connect with the fork truck portal is close to the straight-teeth gear of fork truck portal one side, the straight-teeth gear with rack toothing connects, be connected with on the straight-teeth gear and play to rise the motor, play to rise the motor with straight-teeth gear power.

As a further aspect of the present invention: the forklift truck is characterized in that two racks are arranged on one side, close to the fork frame, of the forklift truck, the two racks are vertically arranged, and two straight gears which are correspondingly arranged with the racks are arranged in the fork frame.

As a further aspect of the present invention: the lifting motor is fixedly connected in the fork frame.

As a further aspect of the present invention: the lifting motor is a motor with double output shafts, and output shafts at two ends of the lifting motor are respectively in power connection with straight gears on two sides through transmission shafts.

As a further aspect of the present invention: both sides through transmission shaft fixed connection between the straight-teeth gear, fixedly connected with second bevel gear on the transmission shaft, second bevel gear one side meshing is connected with first bevel gear, first bevel gear with play to rise motor power and be connected.

As a further aspect of the present invention: the fork frame comprises a lower cross beam and an upper cross beam which are arranged in a balanced mode, and the upper cross beam and the lower cross beam are connected with the fork truck gantry in a clamped mode.

As a further aspect of the present invention: the lifting device is fixedly connected in the lower cross beam.

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

1. the fork frame lifting device is provided with the gear rack transmission system, and meanwhile, the motor provides power for the up-and-down movement of the fork frame, so that the structure of the fork frame lifting device is simplified, the original lifting hydraulic oil cylinder is eliminated, the arrangement of high-pressure pipelines on a fork frame of the fork frame is reduced, the safety performance is improved, and the damage caused by the fault of the high-pressure pipelines in the working process is effectively avoided;

2. this application through the dual output shaft motor transmission of horizontal arrangement or through the bevel gear drive system of vertical arrangement, therefore provides level and vertical drive system and arranges the scheme, can effectually deal with the fork truck of various different models and operational environment, has improved the suitability of this application, has increased the commonality of this application.

Drawings

FIG. 1 is a structural view of the present embodiment;

FIG. 2 is a partial non-brush drawing of the present embodiment;

FIG. 3 is a schematic view of a transmission structure according to embodiment 1 of the present application;

fig. 4 is a schematic view of a transmission structure in embodiment 2 of the present application.

In the figure: the forklift comprises a forklift gantry 1, a forklift fork frame 2, a forklift fork frame 21, a lower beam 22, an upper beam 3, a forklift fork 4, a lifting device 41, a rack 42, a lifting motor 43, a straight gear 44, a transmission shaft 45, a first bevel gear 46 and a second bevel gear 46.

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.

Example 1

Referring to fig. 1, 2 and 3, in the embodiment, a forklift mast lifting system includes a forklift mast 1 and a fork frame 2 connected to the forklift mast 1 in an up-and-down sliding manner, a fork 3 is horizontally connected to one end of the fork frame 2 far away from the forklift mast 1 in a sliding manner, a lifting device 4 for driving the fork frame 2 to slide on the forklift mast 1 is arranged between the fork frame 2 and the forklift mast 1, the fork frame 2 includes a lower cross beam 21 and an upper cross beam 22 which are arranged in parallel, the lower cross beam 21 and the upper cross beam 22 are clamped with the forklift mast 1, and thus guiding is provided for the up-and-down sliding of the fork frame 2 on the forklift mast 1;

the lifting device 4 comprises a rack 41 fixedly connected to the forklift gantry 1 and a straight gear 43 rotatably connected to one side of the forklift gantry 1 close to the forklift gantry 1, the straight gear 43 is meshed with the rack 41, wherein the rack 41 is provided with two straight gears 43 which are parallelly arranged on the two side gantries of the forklift gantry 1, the corresponding lower beam 21 of the forklift gantry 2 is rotatably provided with two straight gears 43, the two straight gears 43 are meshed with the two racks 41, a lifting motor 42 is arranged between the two straight gears 43, the lifting motor 42 is fixedly connected to one side of the forklift gantry 2 close to the forklift gantry 1, the lifting motor 42 is a double-output end motor, output shafts at two sides of the lifting motor 42 are fixedly connected with the straight gears 43 at two sides through a transmission shaft 44, so that the lifting motor 42 can drive the straight gears 43 to rotate, when the straight gears 43 rotate relative to the rack 41, because the rack 41 is fixed, thereby causing the spur gear 43 to roll on the rack 41, and causing the fork carriage 2 to slide up and down on the rack 41.

The utility model discloses when using, when needs carry out fork frame 2 and reciprocate, start the lift motor 42 of dual output structure, output shaft through lift motor 42 both ends, transmission shaft 44 will rise on lift motor 42's power transmission to straight-teeth gear 43, and then drive straight-teeth gear 43 and rotate, because straight-teeth gear 43 and rack 41 mesh, and rack 41 is fixed, so when straight-teeth gear 43 pivoted in-process, the relative rack 41 of straight-teeth gear 43 is pure rolling motion, therefore can drive the relative rack 41 of fork frame 2 and slide from top to bottom, namely fork frame 2 slides from top to bottom on fork truck portal 1, conveniently adjust the height of fork frame 2 on fork truck portal 1.

Example 2

the hoisting device 4 comprises a rack 41 fixedly connected to the forklift gantry 1 and a straight gear 43 rotatably connected to one side of the forklift gantry 1 close to the forklift gantry 1, the straight gear 43 is meshed with the rack 41, wherein the rack 41 is provided with two straight gears 43 which are parallelly arranged on the two side gantries of the forklift gantry 1, the corresponding lower beam 21 of the forklift gantry 2 is rotatably provided with two straight gears 43, the two straight gears 43 are meshed with the two racks 41, a transmission shaft 44 is fixedly connected between the two straight gears 43 on the two sides, a second bevel gear 46 is fixedly connected to the transmission shaft 44, a first bevel gear 45 is meshed with the second bevel gear 46, the first bevel gear 45 is in power connection with a hoisting motor 42, the first bevel gear 45 can be driven to rotate by the hoisting motor 42, then the straight gear 43 is driven to rotate by the first bevel gear 45, the second bevel gear 46 and the transmission shaft 44, and in the process that the straight gear, since the rack 41 is fixed, the spur gear 43 rolls on the rack 41, and the fork frame 2 is driven to slide up and down on the rack 41.

The utility model discloses when using, when needs carry out fork frame 2 and reciprocate, start to rise motor 42, through rising motor 42 output shaft, first bevel gear 45, second bevel gear 46, transmission shaft 44 will rise on motor 42's power transmission to straight-teeth gear 43, and then drive straight-teeth gear 43 and rotate, because straight-teeth gear 43 and rack 41 mesh, and rack 41 is fixed, so when straight-teeth gear 43 pivoted in-process, the relative rack 41 of straight-teeth gear 43 is pure rolling motion, therefore can drive the relative rack 41 up-and-down slip of fork frame 2, fork frame 2 slides up-and-down on fork truck portal 1 promptly, conveniently adjust the height of fork frame 2 on fork truck portal 1.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A lifting system of a forklift gantry comprises the forklift gantry (1) and a fork frame (2) which is connected with the forklift gantry (1) in an up-and-down sliding way, one end of the fork frame (2) far away from the fork truck portal frame (1) is horizontally connected with a fork (3) in a sliding way, characterized in that a lifting device (4) for driving the fork frame (2) to slide on the forklift gantry (1) is arranged between the fork frame (2) and the forklift gantry (1), the lifting device (4) comprises a rack (41) fixedly connected to the forklift gantry (1) and a straight gear (43) rotatably connected to one side of the forklift gantry (1) close to the forklift gantry (1), the straight gear (43) is meshed with the rack (41) and connected with the rack, a lifting motor (42) is connected onto the straight gear (43), and the lifting motor (42) is in power connection with the straight gear (43).

2. The lift system of claim 1, wherein two racks (41) are provided on the side of the forklift mast (1) adjacent to the fork carriage (2), the two racks (41) being arranged vertically, and two spur gears (43) are provided in the fork carriage (2) in correspondence with the racks (41).

3. The forklift mast hoist system of claim 1, wherein the hoist motor (42) is fixedly connected within the fork carriage (2).

4. The lifting system of claim 2, wherein the lifting motor (42) is a dual output shaft motor, and output shafts at two ends of the lifting motor (42) are respectively in power connection with spur gears (43) at two sides through transmission shafts (44).

5. The lifting system of claim 2, wherein the straight gears (43) on two sides are fixedly connected through a transmission shaft (44), a second bevel gear (46) is fixedly connected to the transmission shaft (44), a first bevel gear (45) is meshed and connected to one side of the second bevel gear (46), and the first bevel gear (45) is in power connection with the lifting motor (42).

6. A forklift mast hoist system as claimed in claim 1, wherein the fork carriage (2) comprises a lower cross member (21) and an upper cross member (22) in balanced arrangement, the upper and lower cross members (22, 21) being interlocked with the forklift mast (1).

7. A forklift mast hoist system as claimed in claim 6, characterised in that the hoist (4) is fixedly connected in the lower beam (21).