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Storage room overhead door for transport robot

A storage room and lifting door technology, applied in the field of lifting doors, can solve problems such as installation and use conditions, and achieve the effects of easy installation and use, simple anti-pinch structure and principle, and stable lifting

Pending Publication Date: 2019-01-11
SHENZHEN QIANHAI YYD ROBOT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In summary, the above scheme involves sensors, controllers, main boards, swing arms, touch switches, etc., which have great restrictions on installation and use conditions.

Method used

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  • Storage room overhead door for transport robot
  • Storage room overhead door for transport robot
  • Storage room overhead door for transport robot

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Such as Figure 1-13 As shown, the present invention provides a lifting door for a storage room of a transportation robot, which includes a fixed assembly and a moving assembly. The moving assembly includes a door panel 17, a screw rod 20, an optical axis guide rail, and a lifting support plate 7. 7 is fixedly connected, and the lifting support plate 7 is connected with the screw mandrel 20 and the optical axis guide rail respectively, and the screw mandrel 20 is connected with the steering gear 9 through a gear, and is used to realize the stability of the door panel 17 along the optical axis guide rail by the thrust generated by the rotation of the screw mandrel 20 . Accurately carry out lifting; on the steering gear 9, a cylindrical health tooth 10 is fixedly installed, and the cylindrical health tooth 10 cooperates with the triangular health tooth 14, and the end of the triangular health tooth 14 is provided with a spring 15, which is used to control the cylindrical h...

Embodiment 2

[0042] In order to realize the lifting of the lifting door, a kind of lifting door for the storage room of the transportation robot provided by the present invention is driven by the steering gear 9, the rotating speed of the steering gear 9 is 200rpm, and the output end of the steering gear 9 is equipped with straight teeth (i 12 =22 / 13≈1.7), 1204 ball screw 20 drive, Linear optical axis guide, lifting speed 960mm / min, ideal installation, door panel 17 and lifting support plate 7 with a total mass of 2kg loaded vertically and uniformly.

[0043] According to the above conditions, the driving torque required for the thrust of the screw mandrel 20

[0044] Ta=(F×P B ) / (2π×η)

[0045] F=F A +mg(sin90+μcos90), assuming that the axial cutting force of the screw rod 20 is not considered, the comprehensive friction coefficient μ=0.1, and F=2×9.8=19.6N.m

[0046] Ta=(F×P B ) / (2π×η), setting the positive efficiency η=0.9 for the screw mandrel 20

[0047] Get Ta=19.6×0.004 / 2×3.1...

Embodiment 3

[0053] In order to realize the normal operation of the steering gear 9 in the transmission process, a lifting door for the storage room of the transportation robot provided by the present invention uses the following method to select a suitable steering gear 9:

[0054] Set the gear processing precision to 7 grades, the comprehensive transmission efficiency of the large gear 23 and the pinion 12, and the pinion 12 and the needle bearing 13 is 0.9, the safety factor of the steering gear 9 working efficiency selection is 1.8, and the steering gear 9 must realize the lifting and lowering of the door. The torque is:

[0055] 0.29÷0.9×1.8≈0.58kgf.cm

[0056] The external blocking force of fortification against pinching is 6N, then the torque that the steering gear 9 must overcome the external resistance is:

[0057] 0.58÷20 / 26=0.754kgf.cm

[0058] Set the rated voltage of the steering gear 9 to 4V, the maximum to 6V, the rated current to 600mA, the maximum to 1000mA, and the spee...

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Abstract

The invention provides a storage room overhead door for a transport robot, which comprises a fixing assembly and a moving assembly, wherein the moving assembly comprises a door plate, a screw rod, a linear shaft guide rail and a lifting support plate; the door plate is fixedly connected with the lifting support plate; the lifting support plate is connected with the screw rod and the linear shaft guide rail respectively; the screw rod is connected with an actuator through a gear for enabling the door plate to rise and fall along the linear shaft guide rail through rotation of the screw rod; theactuator is provided with cylindrical teeth, the cylindrical teeth are matched with triangular teeth, the tail end of the triangular teeth is provided with a spring, and engaging and breaking betweenthe cylindrical teeth and the triangular teeth are controlled through expansion and contraction of the spring; and the linear shaft guide rail is connected with the fixing assembly. Thus, the storageroom overhead door for the transport robot has the characteristic of pinching prevention.

Description

technical field [0001] The invention belongs to the technical field of lifting doors, in particular to a storage room lifting door used for transporting robots. Background technique [0002] The existing door anti-pinch usually uses an infrared sensor. When the middle beam is blocked and the receiving end cannot receive the emitted beam, it will react to the controller and the main board, and the door will be opened. In the early mechanical design, there are movable swing arms on both sides of the door. The movable swing arm retracts after being subjected to external force, touches the switch and responds to the controller and the main board, and the door is opened. To sum up, the solutions mentioned above involve sensors, controllers, main boards, swing arms, touch switches, etc., which have great restrictions on installation and use conditions. [0003] Therefore, in view of the above deficiencies, the present invention urgently needs to provide a storage room lifting doo...

Claims

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Application Information

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IPC IPC(8): E06B3/44E05F15/00E05F15/40
CPCE05F15/00E05F15/40E06B3/4407
Inventor 廖作华
Owner SHENZHEN QIANHAI YYD ROBOT CO LTD
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