Forklift double-acting lifting vehicle-mounted moving device and forklift

Abstract

The utility model discloses a forklift double-action lifting vehicle-mounted moving device and a forklift, which comprise an outer gantry mounted on a frame, a liftable inner gantry mounted on the outer gantry, a lifting device mounted at the bottom of the outer gantry, the top of the lifting device is connected with the inner gantry, and the inner gantry is connected with the lifting device. A pallet fork frame and a pallet fork are installed at the bottom of the inner portal. The forklift can be hung behind the truck frame and move along with the truck through the two door frames capable of sliding mutually, and the loading mechanism is simple in structure, capable of easily achieving the loading function, reliable in performance and low in cost through the double-acting oil cylinder and the double-acting chain.

Description

Technical Field

[0001] The utility model relates to the technical field of lifting, transporting and handling vehicles, in particular to a forklift double-acting lifting and moving device and a forklift. Background Art

[0002] At present, ordinary forklifts can only lift stacked goods. If you want to move the forklift, you can only move it to the transport device manually. The existing patent CN202022874704.5, a scissor-fork lifting system and forklift, includes an open-top outer door frame, the outer door frame is installed at the front end of the vehicle body through a connecting mechanism, a slidable inner door frame is installed inside the outer door frame, a lifting device is installed at the bottom of the outer wall of the outer door frame, and the top of the lifting device is connected to the inner door frame; a retractable push-out device is installed on the inner door frame, and a fork for loading and unloading goods is installed on the push-out device. However, the patent has a complex structure, in which the push-out device has a complex structure, and the operation of the vehicle process is difficult, which increases the production cost. Utility Model Content

[0003] In view of the above defects or shortcomings, the purpose of the utility model is to provide a double-acting lifting and moving device for a forklift and a forklift.

[0004] In order to achieve the above purpose, the technical solution of the utility model is:

[0005] A double-acting lifting and moving device for a forklift comprises: an outer mast installed on a frame, a liftable inner mast installed on the outer mast, a lifting device installed at the bottom of the outer mast, the top of the lifting device connected to the inner mast, and a fork frame and a fork installed at the bottom of the inner mast.

[0006] The lifting device includes a double-acting lifting cylinder installed on the outer mast, the fixed end of the double-acting lifting cylinder is installed at the bottom of the outer mast, the shell of the lifting cylinder is connected to the outer mast through a mounting plate, and the piston rod of the double-acting lifting cylinder is connected to the top of the inner mast.

[0007] A chain fixing plate is arranged on the top of the outer mast, on which a vehicle loading chain and a cargo lifting chain are fixedly mounted; an upper sprocket is mounted on the upper end of the inner mast, and a lower sprocket is mounted on the lower end of the inner mast; the vehicle loading chain and the cargo lifting chain are connected to the fork frame through the lower sprocket and the upper sprocket respectively.

[0008] One end of the loading chain is fixedly connected to the chain fixing plate, and the loading chain passes through the lower sprocket and is fixedly connected to the fork frame; one end of the lifting cargo chain is fixedly connected to the chain fixing plate, and the other end passes through the upper sprocket and is connected to the fork frame;

[0009] When loading onto the vehicle, the fork is lifted to a fixed height inside the track under the truck, the fork is extended into the track and fixed, the height of the fork remains unchanged, oil enters the upper chamber of the lifting cylinder, the piston rod descends, the loading chain drives the outer mast to rise and leave the ground, and loading is completed.

[0010] The vehicle loading chain and the cargo lifting chain are both connected to a fork frame, and the fork is hung on the fork frame.

[0011] The outer door frame is connected to the vehicle frame via a pin shaft.

[0012] A forklift comprises the forklift double-acting lifting and moving device.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model provides a forklift double-acting lifting and moving device for a forklift and a forklift. Through two door frames that can slide against each other, the forklift can load and unload goods normally, and can be adjusted according to the coordinated movement of the oil cylinder and the chain, so that the entire forklift can be hung on the rear of the truck frame and move with the truck. The loading mechanism uses a double-acting oil cylinder and a double-acting chain, has a simple structure, can easily realize the loading function, has reliable performance and is low in cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of a double-acting lifting and moving device for a forklift of the utility model;

[0016] Figure 2 The utility model is a double-acting lifting vehicle moving device for forklift on-board mechanism Figure 1 ;

[0017] Figure 3 The utility model is a double-acting lifting vehicle moving device for forklift on-board mechanism Figure 2 ;

[0018] Figure 4 This is a schematic diagram of the outer door frame structure of the double-acting lifting and moving device of a forklift of the utility model;

[0019] Figure 5 This is a schematic diagram of the inner door frame structure of the double-acting lifting and moving device of a forklift of the utility model;

[0020] Figure 6 This is a schematic diagram of the structure of the fork frame of the double-acting lifting and moving device of the forklift of the utility model;

[0021] Figure 7 The utility model is a three-dimensional structural schematic diagram of a double-acting lifting and moving device for a forklift.

[0022] In the figure, 1 is the bottom track of the truck; 2 is the inner door frame; 3 is the outer door frame; 4 is the double-acting cylinder; 5 is the lifting chain; 6 is the loading chain; 7 is the fork frame; 8 is the fork; 9 is the frame; 10 is the sprocket; 3-1 is the mounting plate; 3-2 is the chain fixing plate; 10-1 is the upper sprocket; 10-2 is the lower sprocket. DETAILED DESCRIPTION

[0023] The utility model will be described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the protection scope of the utility model.

[0024] like Figure 1-3 As shown, in the utility model, a double-acting lifting and moving device for a forklift is provided, comprising: an outer mast 3 mounted on a vehicle frame 9, a liftable inner mast 2 being mounted on the outer mast 3, a lifting device being mounted at the bottom of the outer mast 3, the top of the lifting device being connected to the inner mast 2, and a fork frame 7 and a fork 8 being mounted at the bottom of the inner mast 2.

[0025] like Figure 4 The lifting device described in the utility model includes a double-acting lifting cylinder 4 installed on the outer mast 3, the fixed end of the double-acting lifting cylinder 4 is installed at the bottom of the outer mast 3, the shell of the lifting cylinder 4 is connected to the outer mast 3 through the mounting plate 3-1, and the piston rod of the double-acting lifting cylinder 4 is connected to the top of the inner mast 2.

[0026] like Figure 5 Described, the top of described outer door frame 3 is provided with chain fixing plate 3-2, and the chain fixing plate 3-2 is fixedly installed with the vehicle loading chain 6 and the lifting cargo chain 5; the upper end of described inner door frame 2 is provided with upper sprocket wheel 10-1, and the lower end of described inner door frame 2 is provided with lower sprocket wheel 10-2; The vehicle loading chain 6 and the lifting cargo chain 5 are respectively connected with fork frame 7 through lower sprocket wheel 10-2 and upper sprocket wheel 10-1.

[0027] Specifically, one end of the loading chain 6 is fixedly connected to the chain fixing plate 3-2, and the loading chain 6 passes through the lower sprocket 10-2 and is fixedly connected to the fork frame 7; one end of the lifting cargo chain 5 is fixedly connected to the chain fixing plate 3-2, and the other end passes through the upper sprocket 10-1 and is connected to the fork frame 7;

[0028] When loading onto the vehicle, the fork 8 is lifted to a fixed height inside the bottom track of the truck, the fork 8 is extended into the bottom track and fixed, the height of the fork 8 remains unchanged, oil is supplied to the upper chamber of the lifting cylinder 4, the piston rod descends, and the loading chain 6 drives the outer door frame 3 to rise and leave the ground, thus completing loading onto the vehicle.

[0029] When loading is required, the fork 8 rises as follows:

[0030] The piston rod moves upward, driving the lifting cargo chain 5 to drive the cargo fork 8 to move upward.

[0031] like Figure 6 , 7 As shown, the vehicle chain 6 and the lifting cargo chain 5 are both connected to the fork frame 7, and the fork 8 is mounted on the fork frame 7. The piston rod moves upward, the upper sprocket wheel 10-1 rises, driving the lifting cargo chain 5 to rise and driving the fork frame 7 and the fork 8 to move upward.

[0032] In the present invention, the outer door frame 3 is connected to the vehicle frame 9 through a pin shaft, can be disassembled and installed with the vehicle frame 9, and can be installed on different forklifts according to needs.

[0033] In addition, the utility model also provides a forklift, comprising the forklift double-acting lifting and moving device.

[0034] In the utility model, the main structure comprises an outer door frame 3, an inner door frame 2, a fork frame 7, a double-acting lifting cylinder 4, a lifting chain 5, a loading chain 6, a frame 9, and a fork 8. The double-acting lifting cylinder loading mechanism device, the outer door frame 3 and the frame 9 are connected with rollers through the cylinder, the outer door frame 3, the inner door frame 2, and the fork frame 7 are linked by a cylinder chain, one end of the chain is fixed on the fork frame, and the other end is fixed on the outer door frame 3, the upper end and the lower end of the inner door frame are equipped with sprockets to form a motion chain, and the fork 8 is installed on the fork frame 7. When loading with the vehicle, the fork 8 is lifted to a fixed height in the bottom track 1 of the truck, and the fork 8 is extended into the bottom track and fixed. At this time, the fork 8 keeps the height unchanged, oil is filled into the upper cavity of the cylinder, the piston rod descends, and the loading chain 6 drives the outer door frame 3 to rise and leave the ground, completing the loading function.

[0035] It is obvious to those skilled in the art that the above-mentioned specific examples are only preferred schemes of the present invention. Therefore, the improvements and changes that may be made by those skilled in the art to certain parts of the present invention still reflect the principles of the present invention and achieve the purpose of the present invention, and all belong to the scope of protection of the present invention.

Claims

1. A double-acting lifting and moving device for a forklift, characterized in that: include: An outer mast (3) is mounted on a vehicle frame (9), a liftable inner mast (2) is mounted on the outer mast (3), a lifting device is mounted at the bottom of the outer mast (3), the top of the lifting device is connected to the inner mast (2), and a fork frame (7) and a fork (8) are mounted at the bottom of the inner mast (2).

2. The double-acting lifting and moving device for forklift according to claim 1 is characterized in that: The lifting device comprises a double-acting lifting cylinder (4) mounted on an outer mast (3), a fixed end of the double-acting lifting cylinder (4) being mounted on the bottom of the outer mast (3), a shell of the lifting cylinder (4) being connected to the outer mast (3) via a mounting plate (3-1), and a piston rod of the double-acting lifting cylinder (4) being connected to the top end of the inner mast (2).

3. The double-acting lifting and moving device for forklift according to claim 2 is characterized in that: A chain fixing plate (3-2) is arranged on the top of the outer door frame (3), and a vehicle loading chain (6) and a lifting cargo chain (5) are fixedly mounted on the chain fixing plate (3-2); an upper sprocket (10-1) is mounted on the upper end of the inner door frame (2), and a lower sprocket (10-2) is mounted on the lower end of the inner door frame (2); the vehicle loading chain (6) and the lifting cargo chain (5) pass through the lower sprocket (10-2) and the upper sprocket (10-1) respectively and are connected to the fork frame (7).

4. The double-acting lifting and moving device for forklift according to claim 3 is characterized in that: One end of the loading chain (6) is fixedly connected to the chain fixing plate (3-2), and the loading chain (6) passes through the lower sprocket (10-2) and is fixedly connected to the fork frame (7); one end of the lifting cargo chain (5) is connected to the chain fixing plate (3-2), and the other end passes through the upper sprocket (10-1) and is fixedly connected to the fork frame (7); when loading with the vehicle, when the fork (8) is lifted to a fixed height in the bottom track of the truck, the fork (8) is extended into the bottom track and fixed, the height of the fork (8) remains unchanged, oil is supplied to the upper chamber of the lifting oil cylinder (4), the piston rod descends, and the loading chain (6) drives the outer door frame (3) to rise and leave the ground, completing loading.

5. The double-acting lifting and moving device for forklift according to claim 4 is characterized in that: The vehicle loading chain (6) and the cargo lifting chain (5) are both connected to a fork frame (7), and the fork (8) is mounted on the fork frame (7).

6. The double-acting lifting and moving device for forklift according to claim 1, characterized in that: The outer door frame (3) is connected to the vehicle frame (9) via a pin shaft.

7. A forklift, characterized in that: The invention comprises the double-acting lifting and moving device for forklift according to any one of claims 1 to 6.

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