CN210528367U - Automatic telescopic lifting mechanism of lifting goods shelf - Google Patents

Abstract

The utility model relates to a material shipment field especially relates to an automatic flexible lifting mechanism of lift goods shelves. The utility model discloses a positioner is used for detecting the state of stretching out and the withdrawal state of layer board, and the layer board rear side sets up extension spring, and the motor is connected with the worm, and the worm is used for driving the worm wheel, and the worm wheel is rigid connection with the cam, and the two sides set up pressure sensor respectively about the layer board. The utility model discloses a device has realized that automatic flexible lifting mechanism realizes compressing tightly, lifting and the control of release to the equipment case in the limited space of goods shelves in the carriage, improves getting of maintenance support equipment case and puts efficiency and convenience.

Description

Automatic telescopic lifting mechanism of lifting goods shelf

Technical Field

The utility model relates to a material shipment field especially relates to an automatic flexible lifting mechanism of lift goods shelves.

Background

At present, the maintenance support vehicle mostly adopts a fixed goods shelf to contain the equipment box of the maintenance support equipment, then fixes the equipment box in a binding mode, and can only be taken and placed through the front hand of the goods shelf in the cabin, if the equipment box with large weight or specification is taken and placed, the time and the labor are wasted. This kind of mode of fixed goods shelves installation equipment case causes getting of equipment case to put inconveniently easily when the maintenance guarantee work, complex operation, and get and put efficiency not high, causes the difficulty for the promptness of maintenance guarantee work.

Disclosure of Invention

To the deficiency of the prior art, the utility model provides an automatic flexible lifting mechanism of lifting goods shelves. The utility model discloses a worm gear mechanism and cam mechanism combine together, and motor output torque passes through the transmission of worm gear mechanism to camshaft drive cam and rotates, and the cam rotation promotes the layer board and is reciprocal linear motion. The cam rotates for a circle, and the supporting plate completes one extending action and one retracting action. The utility model discloses a device has realized that automatic flexible lifting mechanism realizes compressing tightly, lifting and the control of release to the equipment case in the limited space of goods shelves in the carriage, improves getting of maintenance support equipment case and puts efficiency and convenience.

The utility model discloses a technical scheme who realizes that the purpose takes does: the utility model provides a mechanism is lifted in flexible automation of lift goods shelves, includes positioner, extension spring, motor, worm wheel, worm, cam, pressure sensor, layer board, bracket, its characterized in that: the positioning device is used for detecting the extending state and the retracting state of the supporting plate, the rear side of the supporting plate is provided with an extension spring, the motor is connected with the worm, the worm is used for driving a worm wheel, the worm wheel is rigidly connected with the cam, and the upper surface and the lower surface of the supporting plate are respectively provided with a pressure sensor.

According to the automatic flexible lifting mechanism of lift goods shelves as above, its characterized in that: the supporting plate is provided with a roller, and the roller of the supporting plate is arranged on the linear sliding groove of the bracket.

According to the automatic flexible lifting mechanism of lift goods shelves as above, its characterized in that: the automatic telescopic lifting mechanism comprises two sets of lifting shelves, wherein the front side of one supporting plate is provided with a transmitting end of an infrared sensor, and the front side of the other supporting plate is provided with a receiving end of the infrared sensor.

According to the automatic flexible lifting mechanism of lift goods shelves as above, its characterized in that: the positioning device is a motor with a positioning function.

According to the automatic flexible lifting mechanism of lift goods shelves as above, its characterized in that: the worm is a self-locking worm, and the lead angle gamma of the worm is less than 3 degrees and less than 30 degrees.

According to the automatic flexible lifting mechanism of lift goods shelves as above, its characterized in that: the worm gear mechanism further comprises a manual control device, one end of a worm shaft of the worm is connected with the motor through a coupler, and the other end of the worm shaft is an inner hexagonal hole or an outer hexagonal shaft.

The utility model has the advantages that: (1) the self-locking mechanism has a self-locking function, can ensure that the position state of the supporting plate is not changed under the action of external force, and has high reliability. (2) The sensor feedback system realizes accurate automatic control and has a manual adjusting function under the condition of power shortage. (3) The two extreme positions of the cam have certain angle control ranges, and the extreme working positions of the supporting plate can be kept unchanged under the action of inertia of the motor. (4) The control of the taking and placing process of the equipment box is realized, especially the equipment box can be taken and placed on the front side and the back side of the goods shelf, the maintenance guarantee working efficiency is improved, and the labor intensity is reduced.

Drawings

Fig. 1 is a schematic structural view (top view, cam fully retracted) of the present invention.

Fig. 2 is a schematic view (top view) of the pallet in the extended limit position.

FIG. 3 is a schematic view of the pallet at the retracted limit (top view, pallet fully retracted).

Fig. 4 is a perspective view of the bracket.

Fig. 5 is a front view of the automatic telescopic lift mechanism.

Fig. 6 is a front view of the automatic telescopic lifting mechanism.

Fig. 7 is a sectional view (extended state) taken along line a-a of the automatic telescopic lifting mechanism.

Fig. 8 is a sectional view (retracted state) taken along line a-a of the automatic telescopic lifting mechanism.

Fig. 9 shows the device in a compressed state.

Fig. 10 shows the lifting state of the present invention.

Description of the symbols in the drawings: the device comprises a pressure sensor 1, a pressure sensor 2, an extension spring 3, a motor 4, a worm wheel 5, a worm 6, a cam 7, a pressure sensor 8, an infrared sensor 9, a supporting plate 10, a bracket 11, a screw rod 12 and a roller 13.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1, the automatic telescopic lifting mechanism for lifting a shelf comprises a pressure sensor 1, a pressure sensor 2, an extension spring 3, a motor 4, a worm wheel 5, a worm 6, a cam 7, a pressure sensor 8, an infrared sensor 9, a supporting plate 10 and a bracket 11, wherein the pressure sensor 1 and the pressure sensor 2 are arranged on the bracket 11, and the pressure sensor 1 and the pressure sensor 2 are respectively used for detecting two limit positions of the supporting plate 10 in a stretching state and a retracting state. The tension spring 3 is provided at the rear side of the blade 10, and when the cam 7 is retracted to the extreme position (as shown in fig. 3), the blade 10 is pulled back by the tension spring 3. The motor 4 is connected with the worm 6, the worm 6 is used for driving the worm wheel 5, and the worm wheel 5 is in rigid connection with the cam 7.

The utility model discloses a two sides set up pressure sensor 8 respectively about layer board 10 for judge whether layer board 10 is in and lifts or compresses tightly the device case state.

The utility model discloses layer board 10 is installed on the straight line spout of bracket 11, and corresponding layer board 10 has gyro wheel 13, can ensure that layer board 10 is linear motion and the motion is smooth and easy like this.

The utility model discloses including the automatic flexible lifting mechanism of two sets of lifting goods shelves during the use, one of them layer board 10 front side sets up infrared sensor 9's transmitting terminal, and another layer board 10 front side sets up infrared sensor 9's receiving terminal, and when using, the existence in gap is detected like this, just stretches out layer board 10.

The utility model discloses an automatic flexible lifting mechanism can not set up pressure sensor 1 and pressure sensor 2, can choose for use the motor 4 of taking locate function to realize the control of cam 7 position, promptly the utility model discloses a lifting mechanism can adopt other positioner to fix a position layer board 10.

The utility model discloses a worm 6 is the auto-lock worm preferably, adopts ordinary cylinder worm, chooses for use worm lead angle gamma to be less than 3 30', and worm 6 satisfies the auto-lock condition like this.

The utility model discloses a device can also include manual control device, passes through the coupling joint motor in worm shaft one end of worm 6, and hexagonal hole or outer hexagonal axle in the other end design of worm shaft pass through hexagonal spanner drive worm 6 under the power-off state to adjustment arm to suitable state.

The utility model discloses a working process: the motor 4 drives the worm 6 to rotate, the worm 6 drives the worm wheel 5, the rotation center of the worm wheel 5 is superposed with the rotation center of the cam 7 and is rigidly connected with the same, the cam 7 rotates along the same direction, the mechanical arm supporting plate 10 is always in contact with the cam 7 under the action of the tension of the extension spring 3, the supporting plate 10 rotates along with the cam 7 to realize reciprocating telescopic motion, the cam 7 rotates for one circle, and the supporting plate 10 extends and retracts once.

Determination of the extension state of the pallet 10: when the cam 7 rotates to the position shown in fig. 2, the supporting plate 10 touches the pressure sensor 2, the pressure sensor 2 sends a signal to the controller, and the controller judges that the supporting plate 10 is in a fully extending state and controls the motor 4 to stop rotating. After the supporting plate 10 extends out, the controller can control the automatic telescopic lifting mechanism to lift or compress the equipment box, the pressure sensor 8 can be touched no matter the equipment box is lifted or compressed, and when the pressure sensor 8 is not triggered, the controller controls the motor 4 to rotate again until the pressure sensor 1 is triggered.

Pallet 10 retraction state determination: when the cam 7 rotates to the position shown in fig. 3, the supporting plate 10 touches the pressure sensor 1, the pressure sensor 1 sends a signal to the controller, and the controller judges that the supporting plate is in a fully retracted state and controls the motor 4 to stop rotating. After the supporting plate 10 retracts, the controller can control the automatic telescopic lifting mechanism to search for a specified position, when the specified position of the controller is found, the infrared sensor 9 is triggered, the trigger signal enables the controller to control the motor 4 to rotate again, and the operation is stopped until the pressure sensor 2 is triggered.

As shown in fig. 9, during transportation, the pallet 10 can be used to hold the uppermost standard box, making the transportation process overall smooth. When a certain standard box needs to be taken, the upper-layer standard box is lifted, if the standard box 3 needs to be taken down in fig. 10, the lifting mechanism is controlled to move to a support lug at the lower side of the standard box 2 through the screw rod 12, then the support plate 10 extends out, and the standard box 2 is lifted upwards, so that the standard box 3 can be easily moved.

Claims (6)

1. The utility model provides a mechanism is lifted in flexible automation of lift goods shelves, includes positioner, extension spring, motor, worm wheel, worm, cam, pressure sensor, layer board, bracket, its characterized in that: the positioning device is used for detecting the extending state and the retracting state of the supporting plate, the rear side of the supporting plate is provided with an extension spring, the motor is connected with the worm, the worm is used for driving a worm wheel, the worm wheel is rigidly connected with the cam, and the upper surface and the lower surface of the supporting plate are respectively provided with a pressure sensor.

2. The automatic telescopic lifting mechanism of the lifting shelf according to claim 1, characterized in that: the supporting plate is provided with a roller, and the roller of the supporting plate is arranged on the linear sliding groove of the bracket.

3. The automatic telescopic lifting mechanism of the lifting shelf according to claim 1, characterized in that: the automatic telescopic lifting mechanism comprises two sets of lifting shelves, wherein the front side of one supporting plate is provided with a transmitting end of an infrared sensor, and the front side of the other supporting plate is provided with a receiving end of the infrared sensor.

4. The automatic telescopic lifting mechanism of the lifting shelf according to claim 1, characterized in that: the positioning device is a motor with a positioning function.

5. The automatic telescopic lifting mechanism of the lifting shelf according to claim 1, characterized in that: the worm is a self-locking worm, and the lead angle gamma of the worm is less than 3 degrees and less than 30 degrees.

6. The automatic telescopic lifting mechanism of the lifting shelf according to claim 1, characterized in that: the worm gear mechanism further comprises a manual control device, one end of a worm shaft of the worm is connected with the motor through a coupler, and the other end of the worm shaft is an inner hexagonal hole or an outer hexagonal shaft.

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