CN220223435U

CN220223435U - Safety protection structure of lifting mechanism

Info

Publication number: CN220223435U
Application number: CN202321000573.5U
Authority: CN
Inventors: 张伟光
Original assignee: Guangdong Liansu Machinery Manufacturing Co Ltd
Current assignee: Guangdong Liansu Machinery Manufacturing Co Ltd
Priority date: 2023-04-27
Filing date: 2023-04-27
Publication date: 2023-12-22
Anticipated expiration: 2033-04-27

Abstract

The utility model provides a safety protection structure of a lifting mechanism, which comprises a supporting plate and a lifting plate, wherein the supporting plate is connected with a driving device to realize lifting, the lifting plate is detachably arranged on the supporting plate and ascends or descends along with the supporting plate, a linkage switch is arranged on the supporting plate, when the supporting plate is separated from the lifting plate, the linkage switch directly controls the driving device to disconnect a power supply or indirectly controls the driving device to disconnect the power supply, the supporting plate is arranged below the lifting plate, the driving device drives the supporting plate to move so as to drive the lifting plate to move up and down, after the lifting plate descends and is blocked, the supporting plate still descends and leaves the lifting plate, the lifting plate stays at the blocked position, the blocked person or object is not damaged, the structure is safer and more reliable, and the driving device stops working after the supporting plate leaves the lifting plate, the blocked person or object is prevented from being damaged, and meanwhile the driving device is prevented from being overloaded and damaged.

Description

Safety protection structure of lifting mechanism

Technical Field

The utility model relates to a safety protection structure of a lifting mechanism.

Background

The existing lifting mechanism is provided with a driving device and a lifting plate, the driving device drives the lifting plate to move, and due to the fact that the lifting plate is provided with the extending cross arm, when a blocked person or object is encountered in the process of descending of the cross arm, the driving device still drives the lifting plate to descend, so that the blocked person or object is easily damaged, and meanwhile, the driving device is damaged due to the fact that the blocked person or object is blocked, and the load is too heavy.

Disclosure of Invention

The utility model provides a safety protection structure of a lifting mechanism, which comprises a supporting plate and a lifting plate, wherein the supporting plate is connected with a driving device to realize lifting, the lifting plate is detachably arranged on the supporting plate and ascends or descends along with the supporting plate, a linkage switch is arranged on the supporting plate, and when the supporting plate is separated from the lifting plate, the linkage switch directly controls the driving device to disconnect a power supply or indirectly controls the driving device to disconnect the power supply.

In one or more embodiments, the device may further be provided with a control device, where the control device is electrically connected to the linkage switch and the driving device, and the control device controls the driving device to work or not work according to a signal of the linkage switch.

In one or more embodiments, the control device is not provided, the linkage switch is connected in series with the driving device, and when the supporting plate and the lifting plate are separated, the linkage switch is disconnected and the circuit where the driving device is located is open.

In one or more embodiments, the linkage switch is a piezoelectric switch, and the lifting plate is provided with a pressing plate matched with the piezoelectric switch.

In one or more embodiments, the pressing plate is provided with a pressing groove, and the free end of the piezoelectric switch forms a sphere or a hemisphere.

In one or more embodiments, the linkage switch is a magnetic switch, and a magnet matched with the magnetic switch is arranged on the lifting plate.

In one or more embodiments, the driving device includes a driving motor and a driving belt.

In one or more embodiments, it is further provided with a guide rail, and the support plate and the lifting plate are slidably connected with the guide rail.

The utility model has the beneficial effects that: the lifting plate is provided with the backup pad below to drive the backup pad motion of drive arrangement and then drive the lifter plate up-and-down motion, blocked the back when the lifter plate descends, the backup pad still descends and leaves the lifter plate, and the lifter plate stops by stopping the department, can not cause the people or the thing that stop to be damaged, and structure safe and reliable more, and drive arrangement stop work after the backup pad leaves the lifter plate, avoided stopping people or the thing and damaged, avoided drive arrangement overload to damage simultaneously.

Drawings

Fig. 1 is a schematic view of a safety protection structure of a lifting mechanism.

Fig. 2 is an enlarged schematic view of a portion of the safety protection structure of the lifting mechanism.

Fig. 3 is a control schematic diagram of a safety protection structure of a lifting mechanism.

FIG. 4 is another control schematic diagram of a safety protection structure of a lifting mechanism

Detailed Description

The present application is further described with reference to the following drawings:

referring to fig. 1-4, a lifting mechanism safety protection structure comprises a supporting plate 2 and a lifting plate 3, wherein the supporting plate 2 is connected with a driving device 1 to realize lifting, the lifting plate 3 is detachably arranged on the supporting plate 2 and ascends or descends along with the supporting plate 2, a linkage switch 5 is arranged on the supporting plate 2, when the supporting plate 2 and the lifting plate 3 are separated, the linkage switch 5 directly controls the driving device 1 to disconnect a power supply or indirectly controls the driving device to disconnect the power supply, and when the linkage switch 5 is connected with a driving motor in series, the linkage switch 5 directly controls the driving device 1 to disconnect the power supply; when it is provided with a control device, the linkage switch 5 indirectly controls the driving device 1 to disconnect the power supply.

In some embodiments, the device may further be provided with a control device, which is electrically connected with the linkage switch 5 and the driving device 1 respectively, and the control device controls the driving device to work or not work according to the signal of the linkage switch 5, see fig. 3.

In other embodiments, the control device is not provided, the linkage switch 5 is connected in series with the driving device 1, and when the supporting plate 2 and the lifting plate 3 are separated, the linkage switch 5 is disconnected and the circuit where the driving device 1 is located is open, as shown in fig. 4.

In other embodiments, the linkage switch 5 is a piezoelectric switch, the lifting plate 3 is provided with a pressing plate 6 matched with the piezoelectric switch, the pressing plate 6 is provided with a pressing groove 61, and the free end of the piezoelectric switch forms a sphere or a hemisphere, as shown in fig. 1 and 2.

In some embodiments, the linkage switch 5 is a magnetic switch, and a magnet matched with the magnetic switch is disposed on the lifting plate 3.

Further, the driving device 1 comprises a driving motor 11 and a driving belt 12, which is further provided with a guide rail 4, and the support plate 2 and the lifting plate 3 are slidably connected with the guide rail 4.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "first", second "may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

The above-mentioned preferred embodiments should be regarded as illustrative examples of embodiments of the present application, and all such technical deductions, substitutions, improvements and the like which are made on the basis of the embodiments of the present application, are considered to be within the scope of protection of the present patent.

Claims

1. The utility model provides a elevating system safety protection structure, its characterized in that, includes backup pad and lifter plate, drive arrangement is connected in order to realize going up and down to the backup pad, the lifter plate detachable sets up in the backup pad and rises or descend along with the backup pad, be provided with linked switch in the backup pad, when backup pad and lifter plate separation, linked switch direct control drive arrangement disconnection power or indirect control drive arrangement disconnection power.

2. The lifting mechanism safety protection structure according to claim 1, further comprising a control device, wherein the control device is electrically connected with the linkage switch and the driving device respectively, and the control device controls the driving device to work or not work according to signals of the linkage switch.

3. The lifting mechanism safety protection structure according to claim 1, wherein the control device is not provided, the linkage switch is connected in series with the driving device, and when the supporting plate and the lifting plate are separated, the linkage switch is disconnected and the circuit where the driving device is located is open.

4. The lifting mechanism safety protection structure according to claim 1, wherein the linkage switch is a piezoelectric switch, and a pressing plate matched with the piezoelectric switch is arranged on the lifting plate.

5. The lifting mechanism safety protection structure according to claim 4, wherein the pressing plate is provided with a pressing groove, and the free end of the piezoelectric switch is spherical or hemispherical.

6. The lifting mechanism safety protection structure according to claim 1, wherein the linkage switch is a magnetic switch, and a magnet matched with the magnetic switch is arranged on the lifting plate.

7. The lifting mechanism safety protection structure according to claim 1, wherein the driving means includes a driving motor and a driving belt.

8. The lifting mechanism safety protection structure according to claim 1, further comprising a guide rail, wherein the support plate and the lifting plate are slidably connected to the guide rail.