Carrying device for forklift

By setting up components such as left balance cylinder and right balance cylinder on the forklift and other structures as well as rotary arm head and rotary arm, the problem of unstable verticality of the forklift crane mechanism on uneven sites is solved, and stable and flexible transfer of items is achieved, improving work efficiency.

CN223175790UActive Publication Date: 2025-08-01王学义
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Patent Information

Application Number
CN202422485961.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-14
Publication Date
2025-08-01
Estimated Expiration
2034-10-14

AI Technical Summary

Technical Problem

When existing forklifts are used in uneven sites, the verticality of the boom mechanism is difficult to ensure, resulting in unstable force on the boom mechanism, affecting the accuracy of the action and posing safety hazards.

Method used

The verticality adjustment of the column is achieved by using components such as the left balance cylinder, the right balance cylinder, the balance box, and the adjustment cylinder. Combined with the rotary arm head, the rotary arm, the swing arm head, the rolling bearing group, the support double wheel structure, etc., the flexible transfer of items is achieved, and lifted and lifted through the boom and the hoist, and the rotary arm and swing arm are fixed by stoppers, stop pins, connecting blocks, hooks, and hooks.

Benefits of technology

It improves the stability of the forklift on uneven sites and the accuracy of lifting items, has a reasonable structure, flexible and convenient use, and improves work efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223175790U_ABST
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Abstract

The utility model relates to a carrying device for a forklift. The forklift truck is composed of a forklift truck assembly, a right installation support, a left installation support, a right balance oil cylinder, a left balance oil cylinder, a right supporting disc, a left supporting disc, a balance box body, a stand column, an adjusting oil cylinder, a rotating arm head, a rotating arm, a swing arm head, a swing arm, a suspension arm, a winch, a first rolling bearing set, a second rolling bearing set, supporting double wheels, a lifting oil cylinder, a supporting rod, a check block, a stop pin, a connecting block and a hook. The lifting device has the advantages that perpendicularity adjustment of the stand column is achieved, flexible and light transferring of objects is achieved, lifting and lifting of the objects are achieved, and the lifting hook end of the winch is matched with different lifting tools so that transferring of different objects can be achieved; and in a non-working state, the rotary arm and the swing arm are fixed. The device is reasonable in structure, flexible and convenient to use, capable of improving the working efficiency and suitable for carrying and lifting work of various objects.
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Description

Technical Field

[0001] The utility model belongs to the technical field of forklifts, and particularly relates to a handling device for forklifts. Background Art

[0002] A forklift is an industrial handling vehicle, referring to various wheeled handling vehicles for loading, unloading, stacking, and short-distance transportation of palletized goods. It is widely used in ports, stations, airports, freight yards, factory workshops, warehouses, distribution centers, etc., for loading, unloading, and handling palletized goods in cabins, carriages, and containers. It is an essential equipment for pallet transportation and container transportation. In addition to pallet transportation, it is also necessary to have the function of lifting and transferring to expand the use functions of the forklift.

[0003] Chinese Patent CN218620195U discloses a full-foldable boom forklift tail lift, including a forklift assembly. A full-foldable crane assembly is provided at the tail end of the chassis of the forklift assembly. The full-foldable crane assembly includes a full-foldable boom mechanism and a support mechanism. The full-foldable boom mechanism includes a middle column, a swing arm, a telescopic boom assembly, a first luffing cylinder, and a second luffing cylinder. The lower end of the middle column is rotatably provided on the chassis. The proximal end of the swing arm is hinged to the upper end of the middle column, and the distal end of the swing arm is hinged to the proximal end of the telescopic boom assembly. The cylinder body of the first luffing cylinder is hinged to the lower end of the middle column, and the piston rod of the first luffing cylinder is hinged to the proximal end of the swing arm. The cylinder body of the second luffing cylinder is hinged to the proximal end of the swing arm, and the piston rod of the second luffing cylinder is hinged to the distal end of the swing arm through a first rotating plate. The piston rod of the second luffing cylinder is also hinged to the proximal end of the telescopic boom assembly through a second rotating plate. It realizes multi-functional in one machine, humanized, and integrated compact space design, with strong load-bearing capacity and high safety, greatly improving the assembly and use efficiency of the whole vehicle.

[0004] However, the above device has some disadvantages when used on uneven sites. The perpendicularity of the middle column cannot be guaranteed, and the force between the chassis and the middle column is unstable during the rotation operation of the boom mechanism, affecting the accuracy of the action in place and posing a safety hazard at the same time. Summary of the Utility Model

[0005] The purpose of the utility model is to overcome the deficiencies of the existing technology and provide a handling device for forklifts to achieve stable and convenient lifting and transferring of items.

[0006] To achieve the above object, the utility model provides a handling device for a forklift, which includes a forklift assembly. On both sides of the front end of the vehicle body of the forklift assembly, there are a right mounting bracket and a left mounting bracket. Below the left mounting bracket, there is a left balance oil cylinder, and below the right mounting bracket, there is a right balance oil cylinder. Above the right mounting bracket, there are a balance box body, a column, an adjusting oil cylinder, a swivel arm head, a swivel arm, a swing arm head, a swing arm, a lifting arm, and a winch. The lower end of the column is arranged in the balance box body through a pin shaft. Between the column and the right mounting bracket, there is an adjusting oil cylinder. The balance box body restricts the lateral movement of the column on the vehicle body. Under the action of the adjusting oil cylinder, the column can rotate around the pin shaft in the front-back direction of the vehicle body. The swivel arm head is arranged at the upper end of the column. Between the inner hole of the swivel arm head and the upper column body of the column, there is a first rolling bearing group. The swivel arm is in the form of a double rod. One end of the swivel arm is connected to the upper part of the swivel arm head, and the other end of the swivel arm is connected to the swing arm head. One end of the swing arm is rotatably arranged in the swing arm head. Between the rotating shaft of the swing arm and the inner hole of the swing arm head, there is a second rolling bearing group. The other end of the swing arm is provided with a lifting arm. The winch is located above the swing arm. The hook of the winch extends downward from the front end of the lifting arm.

[0007] Further, between the lower part of the swivel arm head and the column, there is a supporting double wheel. The supporting double wheel is installed on the side wall of the swivel arm head. When the swivel arm head rotates, the supporting double wheel supports the swivel arm head and rolls along the surface of the column.

[0008] Further, between the swivel arm head and the swivel arm, there is a lifting oil cylinder to realize the adjustment of the working height of the device.

[0009] Further, between the swing arm and the lifting arm, there is an obliquely pulled support rod to form a triangular support for enhancing the strength of the mechanism.

[0010] Further, at the lower ends of the left balance oil cylinder and the right balance oil cylinder, there are respectively a left support disk and a right support disk to form a stable support.

[0011] Further, at the contact part of the forklift assembly and the swivel arm, there is a stop block. Inside the stop block, there is a stop pin. In the non-working state, the swivel arm is rotated towards the vehicle body side of the forklift assembly and the stop pin is inserted into the outer end of the stop block to fix the swivel arm.

[0012] Further, between the swivel arm and the swing arm, there is a pair of connecting blocks. In the non-working state, the swing arm is rotated towards the swivel arm, and a hook is inserted into the through holes of the pair of connecting blocks to fix the swing arm.

[0013] With the above technical solutions, the beneficial effects of the present utility model are as follows: the left balance oil cylinder, the right balance oil cylinder, the balance box body and the adjusting oil cylinder are used to realize the verticality adjustment of the upright column; the rotating arm head, the rotating arm, the swing arm head, the swing arm, the first rolling bearing group, the second rolling bearing group and the supporting double wheels are used to realize the flexible and convenient transfer of articles; the lifting arm and the winch are used to realize the lifting of articles, and different lifting tools can be matched with the hook end of the winch to realize the transfer of different articles; the rotating arm and the swing arm are fixed by the stop block, the stop pin, the connecting block and the hook. The device has a reasonable structure, is flexible and convenient to use, improves work efficiency, and is suitable for the handling of various articles. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 FIG. is a schematic three-dimensional structure diagram of the handling device for a forklift in an embodiment of the present utility model.

[0015] Figure 2 is Figure 1 the reverse three-dimensional structure diagram.

[0016] Figure 3 is Figure 1 the exploded structure diagram.

[0017] Figure 4 is Figure 1 the non-working state diagram.

[0018] In the figure: 1 - forklift assembly, 2 - right mounting bracket, 3 - left mounting bracket, 4 - right balance oil cylinder, 5 - left balance oil cylinder, 6 - right support disk, 7 - left support disk, 8 - balance box body, 9 - upright column, 10 - adjusting oil cylinder, 11 - rotating arm head, 12 - rotating arm, 13 - swing arm head, 14 - swing arm, 15 - lifting arm, 16 - winch, 17 - first rolling bearing group, 18 - second rolling bearing group, 19 - supporting double wheels, 20 - lifting oil cylinder, 21 - support rod, 22 - stop block, 23 - stop pin, 24 - connecting block, 25 - hook. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model.

[0020] Refer to Figures 1 to 4, a handling device for a forklift, which is composed of a forklift assembly 1, a right mounting bracket 2, a left mounting bracket 3, a right balance oil cylinder 4, a left balance oil cylinder 5, a right support disc 6, a left support disc 7, a balance box 8, a column 9, an adjusting oil cylinder 10, a swivel arm head 11, a swivel arm 12, a swing arm head 13, a swing arm 14, a lifting arm 15, a winch 16, a first rolling bearing group 17, a second rolling bearing group 18, a support double wheel 19, a lifting oil cylinder 20, a support rod 21, a stop block 22, a stop pin 23, a connecting block 24 and a hook 25. On both sides of the front end of the vehicle body of the forklift assembly 1, there are a right mounting bracket 2 and a left mounting bracket 3. Below the left mounting bracket 3, there is a left balance oil cylinder 5, and below the right mounting bracket 2, there is a right balance oil cylinder 6. Above the right mounting bracket 2, there are a balance box 8, a column 9, an adjusting oil cylinder 10, a swivel arm head 11, a swivel arm 12, a swing arm head 13, a swing arm 14, a lifting arm 15 and a winch 16. The lower end of the column 9 is arranged in the balance box 8 through a pin shaft, and there is an adjusting oil cylinder 10 between the column 9 and the right mounting bracket 2. The swivel arm head 11 is arranged at the upper end of the column 9, and there is a first rolling bearing group 17 between the inner hole of the swivel arm head 11 and the upper column body of the column 9. The swivel arm 12 is in the form of a double rod. One end of the swivel arm 12 is connected to the upper part of the swivel arm head 11, and the other end of the swivel arm 12 is connected to the swing arm head 13. One end of the swing arm 14 has a rotating shaft located in the swing arm head 13, and there is a second rolling bearing group 18 between the rotating shaft of the swing arm 14 and the inner hole of the swing arm head 13. The other end of the swing arm 14 is provided with a lifting arm 15. The winch 16 is fixed above the swing arm 14, and the hook of the winch 16 extends downward from the front end of the lifting arm 15.

[0021] Further, between the lower part of the swivel arm head 11 and the column 9, there is a support double wheel 19. The support double wheel 19 is installed on the side wall of the swivel arm head, and the support double wheel 19 is in contact with the surface of the column 9.

[0022] Further, between the swivel arm head 11 and the swivel arm 12, there is a lifting oil cylinder 20.

[0023] Further, between the swing arm 14 and the lifting arm 15, there is an obliquely pulled support rod 21.

[0024] Further, at the lower ends of the right balance oil cylinder 4 and the left balance oil cylinder 5, there are respectively a right support disc 6 and a left support disc 7.

[0025] Further, at the contact part of the forklift assembly 1 and the swivel arm 12, there is a stop block 22, and a stop pin 23 is arranged in the stop block 22.

[0026] Further, between the swivel arm 12 and the swing arm 14, there is a pair of connecting blocks 24, and a hook 25 is arranged in the through holes of the pair of connecting blocks.

[0027] The working principle of the present utility model is:

[0028] A handling device for a forklift designed by the utility model is installed at the front end of the vehicle body of the forklift assembly 1 through a right mounting bracket 2 and a left mounting bracket 3.

[0029] In the working state: the right balance oil cylinder 4, the left balance oil cylinder 5, the balance box 8, and the adjusting oil cylinder 10 are used to adjust the verticality of the upright column 9; the swivel head 11, the swivel arm 12, the swing head 13, the swing arm 14, the first rolling bearing group 17, the second rolling bearing group 18, and the support double wheels 19 are adopted to realize the flexible and light transfer of articles; the lifting arm 15 and the winch 16 are used to lift and hoist the articles, and the hook end of the winch 16 can cooperate with different lifting tools to realize the transfer of different articles.

[0030] In the non - working state: the swivel arm 12 and the swing arm 14 are fixed respectively through the stop block 22, the stop pin 23, the connecting block 24, and the hook 25.

[0031] The above - mentioned is only one implementation mode of the utility model. It should be pointed out that for those of ordinary skill in the art, without departing from the principle of the utility model, several obvious variations and improvements can also be made, and these should also be regarded as belonging to the protection scope of the utility model.

Claims

1. A handling device for a forklift, characterized in that: It includes a forklift assembly. On both sides of the front end of the vehicle body of the forklift assembly, there are a right mounting bracket and a left mounting bracket. Below the left mounting bracket, there is a left balance oil cylinder, and below the right mounting bracket, there is a right balance oil cylinder. Above the right mounting bracket, there are a balance box body, a column, an adjusting oil cylinder, a swivel arm head, a swivel arm, a swing arm head, a swing arm, a lifting arm, and a winch; the lower end of the column is arranged in the balance box body through a pin shaft, and an adjusting oil cylinder is arranged between the column and the right mounting bracket; the swivel arm head is arranged at the upper end of the column, and a first rolling bearing group is arranged between the inner hole of the swivel arm head and the upper column body of the column; the swivel arm is in the form of a double rod, one end of the swivel arm is connected to the upper part of the swivel arm head, and the other end of the swivel arm is connected to the swing arm head; one end of the swing arm is rotatably arranged in the swing arm head, a second rolling bearing group is arranged between the rotating shaft of the swing arm and the inner hole of the swing arm head, and the other end of the swing arm is provided with a lifting arm; the winch is located above the swing arm, and the hook of the winch extends downward from the front end of the lifting arm.

2. The handling device for a forklift according to claim 1, wherein: Between the lower part of the swivel arm head and the column, there is a supporting double wheel. The supporting double wheel is installed on the side wall of the swivel arm head, and the supporting double wheel contacts the surface of the column.

3. A handling device for a forklift according to claim 1, characterized in that: Between the swivel arm head and the swivel arm, there is a lifting oil cylinder.

4. A handling device for a forklift according to claim 1, characterized in that: Between the swing arm and the lifting arm, there is an obliquely pulled support rod.

5. The handling device for a forklift according to claim 1, characterized in that: At the lower ends of the left balance oil cylinder and the right balance oil cylinder, there are respectively a left support disk and a right support disk.

6. A handling device for a forklift according to claim 1, characterized in that: At the contact part of the forklift assembly with the swivel arm, there is a stop block, and a stop pin is arranged in the stop block.

7. A handling device for a forklift according to claim 1, characterized in that: Between the swivel arm and the swing arm, there is a pair of connecting blocks, and a hook is arranged in the through holes of the pair of connecting blocks.

Citation Information

Patent Citations

  • Full-folding arm type forklift tail crane

    CN218620195U