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Fork loading limit mechanism

A technology of limit mechanism and fork, which is applied in the direction of lifting device to ensure the safety of operation and avoid personal injury.

Active Publication Date: 2021-05-14
BYD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a loading limit mechanism for a pallet fork, aiming at solving the problem that the existing pallet fork has a potential safety hazard that the loaded material slips off the pallet

Method used

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  • Fork loading limit mechanism
  • Fork loading limit mechanism
  • Fork loading limit mechanism

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0042] Such as figure 1 As shown, the block 11 is a permanent magnet block; the driving device 12 includes:

[0043] The guide structure 121a is arranged on the fork and is used for movable installation of the block 11; and

[0044] The electromagnetic mechanism 122a is located under the stopper 11, and can act on the stopper 11 with a repulsive magnetic force to make the stopper 11 rise in the guide structure 121a, and act on the stopper 11 with a phase-attractive magnetic force to make the stopper 11 in the guide structure. 121a down.

[0045] Wherein, the permanent magnet block has an N pole and an S pole, and the electromagnetic mechanism 122a can also generate a magnetic field by electrification. The mechanism 122a repels each other, so that the stopper 11 rises in the guide structure 121a. When the stopper 11 does not need to rise, the electromagnetic mechanism 122a will be energized to generate opposite magnetic poles with the stopper 11, and the stopper 11 and the el...

no. 2 example

[0050] Such as Figure 2 to Figure 4 As shown, the opposite sides of the block 11 respectively form legs 111b that are slidably fitted inside the housing of the fork, and the driving device 12 includes:

[0051] The guide rod 112b is pivotally connected to the interior of the fork housing at both ends;

[0052] There are two flipping rods 113b, one end of the flipping rod 113b is connected to the guide rod 112b, and the other end is connected to the leg 111b; and

[0053] The driving part 114b is drivingly connected with the guide rod 112b, and is used for applying a turning moment to the guide rod 112b so that the turning rod 113b and the stopper 11 turn up and down.

[0054] Wherein, when the block 11 needs to be raised, the driving part 114b will apply an upward turning moment to the guide rod 112b, and the turning bar 113b will turn up along with the guiding bar 112b. , and it also flips up; when there is no need for the stopper 11 to rise, the driving part 114b will app...

no. 3 example

[0059] The two opposite sides of the block 11 respectively form pivot shafts pivotally connected with the interior of the fork housing, and the driving device 12 is a motor drivingly connected to the pivot shaft. In this way, the motor can directly drive the pivot shaft to rotate, thereby driving the block 11 to rotate up or down.

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PUM

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Abstract

The present invention relates to the technical field of pallet forks, and provides a cargo-loading limit mechanism for pallet forks, including stoppers that are movably arranged on pallet forks and that can rise or fall, a drive device that is drivingly connected to the stoppers, and a drive device that is connected to the drive device and uses The main control system used to control the action of the drive device. The fork loading limit mechanism provided in this embodiment has stoppers that can be freely raised or lowered on the fork, and the stoppers are driven by a driving device. When the fork is loaded with material, the stopper can be driven up to limit the load on the fork. In this way, even if the friction force of the fork becomes smaller due to external factors, it can be ensured that the load will not The sliding fork ensures safe operation and avoids personal injury.

Description

technical field [0001] The invention belongs to the technical field of pallet forks, and in particular relates to a loading limit mechanism of pallet forks. Background technique [0002] At present, when the forks of existing storage models such as pallet trucks are lifted and lowered, due to structural limitations, the forks can only be lifted and lowered in a horizontal state, while the forks of counterweight models must have the function of tilting forward and backward to ensure When transporting load materials, the load materials will not slip due to driving inertia and cause safety accidents. Generally speaking, the pallet truck fixes the load material through the friction on the fork, but there is still such a problem: the coefficient of friction on the fork is easy to change, such as moisture, dust or chemical solvents on the fork ( Lubricating oil), etc., will make the friction system of the fork smaller, so that it is easy to produce the hidden danger of the load m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B66F9/18
CPCB66F9/18
Inventor 陈潺
Owner BYD CO LTD