CN210260760U

CN210260760U - Safety protection mechanism of vertical lifting container

Info

Publication number: CN210260760U
Application number: CN201920832561.6U
Authority: CN
Inventors: 程江华; 单长远; 林江
Original assignee: Longer Automation Technology Suzhou Co ltd
Current assignee: Longer Automation Technology Suzhou Co ltd
Priority date: 2019-06-04
Filing date: 2019-06-04
Publication date: 2020-04-07
Anticipated expiration: 2029-06-04

Abstract

The utility model provides a safety protection mechanism of a vertical lifting container, which comprises a base, a bottom-blocking prevention device, a driving motor and a belt pulley; the anti-pier bottom device comprises an outer cylinder, an inner cylinder, a compression spring and an inductor, wherein the outer cylinder is arranged on the base, the compression spring is arranged in the outer cylinder, the top of the compression spring is abutted to the top wall of the inner cylinder, the inner cylinder is ejected out of the outer cylinder by the compression spring in a free state, and the bottom of the inner cylinder can be retracted downwards into the outer cylinder; the sensor is arranged on the lower side of the cylinder wall of the outer cylinder and is electrically connected with the controller; the driving motor is arranged on the base, the controller is electrically connected with the driving motor, an output shaft of the driving motor is meshed with a rotating shaft of the belt pulley through a transmission shaft, and the belt pulley is meshed with a belt; the top height of the driving motor is lower than that of the inner cylinder. The utility model discloses can protect the driving motor and the electrical component of equipment bottom not to receive the damage to can make the vertical lift packing cupboard resume the operation automatically.

Description

Safety protection mechanism of vertical lifting container

Technical Field

The utility model belongs to the technical field of storage logistics equipment, concretely relates to safety protection mechanism of vertical lift packing cupboard.

Background

In order to guarantee safe operation, the vertical lift packing cupboard needs to be installed and prevented exceeding limit mechanism, and the current vertical lift packing cupboard is only installing an induction limit switch in the department that prevents to exceed limit, and when induction limit switch became invalid because of mechanical damage or circuit problem, the vertical lift packing cupboard will lose limit protection, still can not the stall when leading to the vertical lift packing cupboard to move bottommost, causes mechanical damage to bottom power motor.

In addition, when the operation of the vertical lifting container exceeds the limit position in the existing product, the lifting container can not be recovered by using an operation interface under the condition that the limit switch is intact, the limit switch is required to be detached to recover the operation, and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a safety protection mechanism of vertical lift packing cupboard can increase the safety protection at the bottom of preventing the pier together to vertical lift packing cupboard bottom, and the device can protect the driving motor and the electrical component of equipment bottom not receive the damage at the bottom of should preventing the pier to can make the vertical lift packing cupboard resume the operation automatically.

The utility model provides a following technical scheme:

a safety protection mechanism of a vertical lifting container comprises a base, a bottom-blocking prevention device, a driving motor and a belt pulley; the base is positioned at the bottom of the vertical lifting container, the anti-pier bottom device comprises an outer barrel, an inner barrel, a compression spring and an inductor, the outer barrel is arranged on the base, the compression spring is arranged in the outer barrel, the top of the compression spring is abutted against the top wall of the inner barrel, the inner barrel is ejected out of the outer barrel by the compression spring in a free state, and the bottom of the inner barrel can be retracted downwards into the outer barrel; the sensor is arranged on the lower side of the cylinder wall of the outer cylinder, a probe of the sensor penetrates through the cylinder wall of the outer cylinder, and the sensor is electrically connected with a controller in the vertical lifting container; the driving motor is arranged on the base, the controller is electrically connected with the driving motor, an output shaft of the driving motor is meshed and connected with a rotating shaft of the belt pulley through a transmission shaft, a belt is meshed on the belt pulley, and the belt is tensioned on a driven wheel of the vertical lifting container and the belt pulley; the top height of the driving motor is lower than that of the inner barrel.

Preferably, the side wall of the inner cylinder is provided with a vertical guide hole, the wall of the outer cylinder is further provided with a guide nut, and the tail end of the guide nut extends into the guide hole.

Preferably, the guide hole is located at a lower side of the inner cylinder.

Preferably, a rubber pad is fixed on the top wall of the inner cylinder.

Preferably, prevent pier base device still includes the fixing base, the bottom of urceolus weld in on the fixing base, the fixing base passes through the bolt fastening in on the base.

Preferably, the base is of a rectangular structure, and the four top corners of the base are respectively provided with one anti-pier bottom device.

Preferably, the sensor is an inductive proximity sensor.

Preferably, the race is installed respectively to the left and right sides of base, the opening in race up, the belt pulley is located the race, install the rolling bearing on the inner wall of race, the pivot of belt pulley install in the rolling bearing.

The utility model has the advantages that: the utility model discloses a pedestal mounting is in the bottom of vertical lift packing cupboard, and driving motor passes through the transmission shaft and drives the belt pulley rotation of both sides, and the belt on the belt pulley is connected from the driving wheel of vertical lift packing cupboard, drives the vertical lift packing cupboard and moves from top to bottom. When the vertical lifting container breaks down and cannot stop running downwards, the vertical lifting container downwards presses the inner barrel of the anti-pier bottom device, and when the bottom of the inner barrel passes through the inductor on the wall of the outer barrel, the inductor sends an induction signal to the controller, so that the power supply of the driving motor is cut off, the equipment stops running, and manual intervention is not needed. The utility model discloses install the spring in the inner tube, when the equipment takes place at the bottom of the mound, can make the vertical lift packing cupboard upwards lift under the effect of spring force, break away from the induction area of inductor to quick recovery equipment operation. The mechanism realizes double protection functions through machinery and circuits, increases a safety protection for falling of the vertical lifting container after other electrical devices or parts such as belts, chains and the like fail, and simultaneously protects a driving motor at the bottom of the device and other electrical parts from being damaged.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an exploded view of the anti-floating device of the present invention;

fig. 3 is a sectional view of the anti-floating device of the present invention;

labeled as: 1. a base; 2. a bottom-upsetting prevention device; 21. a fixed seat; 22. an outer cylinder; 23. an inner barrel; 24. a compression spring; 25. an inductor; 26. a rubber pad; 27. a guide hole; 28. a guide nut; 3. a drive motor; 4. a belt pulley; 5. a drive shaft; 6. a wheel groove; 7. a pedestal bearing.

Detailed Description

As shown in figures 1 to 3, the safety protection mechanism of the vertical lifting container comprises a base 1, a bottom anti-blocking device 2, a driving motor 3 and a belt pulley 4, wherein the base 1 is positioned at the bottom of the vertical lifting container. Prevent pier base device 2 includes fixing base 21, urceolus 22, inner tube 23, compression spring 24 and inductor 25, fixing base 21 passes through the bolt fastening on base 1, the bottom of urceolus 22 welds on fixing base 21, urceolus 22 and inner tube 23 are the rigid material of high strength, compression spring 24 installs in urceolus 22, the roof and the fixing base 21 of inner tube 23 are supported respectively to compression spring 24's top and bottom, inner tube 23 is ejecting in the top of urceolus 22 by compression spring 24 under the free state, when compression spring 24 was compressed, the bottom of inner tube 23 is in the urceolus 22 of retracting downwards. The inductor 25 is an inductive proximity sensor with the model number of BD6-S3-M12-5M, the inductor 25 is installed on the lower side of the cylinder wall of the outer cylinder 22, a probe of the inductor 25 penetrates through a probe hole on the outer cylinder wall and can sense that the inner cylinder 23 is retracted into the outer cylinder 22, and the inductor 25 is electrically connected with an input port of a controller in the vertical lifting container. The driving motor 3 is installed on the base 1, the output port of the controller is electrically connected with the driving motor 3, and the controller can control the driving motor 3 to stop working. The output shaft of the driving motor 3 is meshed with a driven gear, the left side and the right side of a driven gear shaft are respectively meshed with a rotating shaft of the belt pulley 4 through the transmission shaft 5 and the coupler, a belt (not shown in the figure) is meshed on the gear teeth of the belt pulley 4, the belt is tensioned on a driven wheel and the belt pulley 4 of the vertical lifting container, and the driving motor 3 drives the vertical lifting container to move up and down. The top height of the driving motor 3 is lower than that of the inner cylinder 23 of the anti-pier bottom device 2, so that the driving motor 3 is protected from being damaged by being extruded by falling vertical lifting containers in advance.

As shown in fig. 2 and 3, a vertical guide hole 27 is formed in the side wall of the inner cylinder 23, the two guide holes 27 are arranged oppositely, a guide nut 28 is further mounted on the cylinder wall of the outer cylinder 22, the tail end of the guide nut 28 extends into the guide hole 27, and the guide nut 28 and the guide hole 27 guide the up-and-down movement of the inner cylinder 23, so that the inner cylinder 23 is prevented from being inclined and not being successfully retracted into the outer cylinder 22. The guide hole 27 is provided at the lower side of the inner cylinder 23 to ensure a sufficient downward movement stroke of the inner cylinder 23.

The top wall of the inner cylinder 23 is provided with a rubber pad 26 through a plurality of sunk screws, so that the buffering effect of the anti-bottom-blocking device is enhanced.

The base 1 is the rectangle structure, and four apex angle departments of base 1 install one respectively and prevent the pier base device 2, and four prevent that the pier base device 2 provides balanced, stable pier base function of preventing to the bottom of vertical lift packing cupboard to four compression spring 24 combined actions, it is big to the reverse thrust of vertical lift packing cupboard, can lift up the vertical lift packing cupboard more effectively.

Race 6 is installed respectively to the left and right sides of base 1, and the opening of race 6 is up, and belt pulley 4 is located race 6, installs on the inner panel wall of race 6 and takes a bearing 7, and belt pulley 4's pivot is passed and is taken a bearing 7 and be connected with transmission shaft 5. The pulley groove 6 provides support, fixing and protection functions for the pulley 4.

The working process of the mechanism is as follows: when the vertical lifting container runs downwards and cannot be stopped, the vertical lifting container presses the inner cylinder 23 of the anti-pier bottom device 2 downwards to enable the bottom of the inner cylinder 23 to be retracted into the outer cylinder 22, and when the bottom of the inner cylinder 23 reaches the height of the inductor 25, the inductor 25 sends an induction signal to the controller, so that the power supply of the driving motor 3 is cut off rapidly, and the equipment stops running. Meanwhile, the vertical lifting container is lifted upwards under the action of the compression spring force, so that the inner cylinder 23 is separated from the sensing area of the sensor 25, the operation of the equipment is quickly recovered, and manual intervention is not needed. Similarly, the anti-block bottom device is arranged on the top of the equipment in an inverted manner, so that the anti-block top function can be achieved.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A safety protection mechanism of a vertical lifting container is characterized by comprising a base, a bottom-blocking prevention device, a driving motor and a belt pulley; the base is positioned at the bottom of the vertical lifting container, the anti-pier bottom device comprises an outer barrel, an inner barrel, a compression spring and an inductor, the outer barrel is arranged on the base, the compression spring is arranged in the outer barrel, the top of the compression spring is abutted to the top wall of the inner barrel, the inner barrel is ejected out of the outer barrel by the compression spring in a free state, and the bottom of the inner barrel can be downwards contracted into the outer barrel after being pressed; the sensor is arranged on the lower side of the cylinder wall of the outer cylinder, a probe of the sensor penetrates through the cylinder wall of the outer cylinder, and the sensor is electrically connected with a controller of the vertical lifting container; the driving motor is arranged on the base, the controller is electrically connected with the driving motor, an output shaft of the driving motor is meshed and connected with a rotating shaft of the belt pulley through a transmission shaft, a belt is meshed on the belt pulley, and the belt is tensioned on a driven wheel of the vertical lifting container and the belt pulley; the top height of the driving motor is lower than that of the inner barrel.

2. The safety protection mechanism of the vertical lifting container as claimed in claim 1, wherein a vertical guide hole is formed on the side wall of the inner cylinder, a guide nut is further mounted on the wall of the outer cylinder, and the tail end of the guide nut extends into the guide hole.

3. The safety mechanism of vertical lift freight containers of claim 2, where the pilot holes are located on the underside of the inner tube.

4. The safety protection mechanism of vertical lift freight containers of claim 3, characterized in that the rubber pad is fixed on the top wall of the inner cylinder.

5. The safety protection mechanism of a vertical lifting container as claimed in claim 4, wherein the anti-upsetting device further comprises a fixing seat, the bottom of the outer cylinder is welded on the fixing seat, and the fixing seat is fixed on the base through a bolt.

6. The safety protection mechanism of vertical elevating cargo container as claimed in claim 5, wherein the base is rectangular, and one of the anti-blocking devices is installed at each of the four corners of the base.

7. The safety protection mechanism of vertical lift containers of any one of claims 1 to 6, characterized in that the sensor is an inductive proximity sensor.

8. The safety protection mechanism of the vertical lifting container as claimed in any one of claims 1 to 6, wherein the left and right sides of the base are respectively provided with a wheel groove, the opening of the wheel groove faces upward, the pulley is located in the wheel groove, the inner wall of the wheel groove is provided with a bearing with a seat, and the rotating shaft of the pulley is arranged in the bearing with a seat.