CN221253828U - Fall protection safety elevator - Google Patents

Abstract

The utility model belongs to the technical field of elevators, and discloses an anti-falling safety elevator which comprises a bottom plate, wherein the bottom of the bottom plate is rotationally connected with a roller, the upper end of the bottom plate is abutted to a workbench, the upper end of the workbench is fixedly connected with a fence, a lifting mechanism is arranged in the bottom plate, an anti-falling mechanism is arranged in the bottom plate, and a controller is fixedly arranged at the upper end of the bottom plate.

Description

Fall protection safety elevator

Technical Field

The utility model relates to the technical field of elevators, in particular to an anti-falling safety elevator.

Background

The scissor lifts are divided into a movable scissor lift and a fixed scissor lift; the movable type is divided into three main types, namely traction type, self-walking manual traction type and full-self-walking type. Meanwhile, the scissor type lifter can be divided into a scissor type large wheel lifter and a scissor type small wheel lifter due to different use environments. The scissor type large-wheel lifter is suitable for outdoor operations such as factories, plants, workshops and repair aviation cranes, is light in weight, has attractive appearance and is suitable for high-grade indoor places such as municipal enterprises, hotel auditoriums and the like.

The shearing type lifter enables the shearing fork arm to longitudinally lift through the hydraulic device in the use process, the hydraulic device supports load, when the weight of the lifting platform exceeds the load or the hydraulic device fails, the shearing fork arm can suddenly drop down, the damage to staff at the upper end of the lifting platform is easy to cause, and potential safety hazards exist.

Therefore, the anti-falling safety elevator is provided, and is updated and modified on the basis of the device, so that the defects are overcome.

Disclosure of utility model

The utility model aims at: the utility model provides an anti-falling safety elevator, which aims to solve the problems that when the weight of an elevating platform exceeds a load or a hydraulic device fails, a scissor arm suddenly drops down and is easy to damage staff at the upper end of the elevating platform and has potential safety hazards.

The utility model adopts the following technical scheme for realizing the purposes:

The utility model provides a fall-proof safety elevator, includes the bottom plate, the bottom of bottom plate rotates and is connected with the gyro wheel, the upper end butt of bottom plate has the workstation, the upper end fixedly connected with rail of workstation, the inside of bottom plate is provided with elevating system, the inside of bottom plate is provided with fall-proof mechanism, the upper end fixed mounting of bottom plate has the controller.

Further, elevating system includes the motor, the inner wall fixed mounting of bottom plate has the motor, the output shaft fixed mounting of motor has the threaded rod, the outer end both sides threaded connection of threaded rod has the screwed plate, the upper end rotation of screwed plate is connected with the folding leg, the upper end rotation of folding leg is connected with the slider, the bottom fixed mounting of workstation has the fixed plate, the upper end of slider with the inner wall sliding connection of fixed plate.

Further, the inner wall sliding connection of screw thread board has the guide bar, the both ends of guide bar with the inner wall fixed mounting of bottom plate.

Further, the lower side of the outer end of the folding frame is rotationally connected with a hydraulic cylinder, and an output shaft of the hydraulic cylinder is rotationally connected with the upper side of the outer end of the folding frame.

Further, prevent falling mechanism includes electromagnetic relay, the inner wall fixed mounting of screw thread board has electromagnetic relay, the inner wall sliding connection of screw thread board has the magnetic pole, the one end fixedly connected with fixture block of magnetic pole, the inner wall of bottom plate is seted up and is supplied the outer end assorted draw-in groove of fixture block.

Further, the outer end fixedly connected with dog of magnetic pole, the outer end of magnetic pole is provided with the spring, the one end of spring with the outer end fixed mounting of dog, the one end of spring with the inner wall fixed mounting of screw thread board.

The beneficial effects of the utility model are as follows:

1. According to the lifting device, the threaded rod is driven to rotate by the starting motor, so that the threaded plate moves in opposite directions or reversely, the folding frame drives the workbench to move upwards or downwards, the electromagnetic relay is not used for fixing the magnetic rod under the action of the electromagnetic relay in the threaded plate, when the lifting device is out of control, the magnetic rod drives the clamping block to move outwards under the action of the acting force of the spring, the clamping block is clamped with the clamping groove in the bottom plate, the problem that the working personnel are injured due to sudden falling of the device is prevented, and the safety of the device is improved.

2. The hydraulic cylinder is convenient for carrying out auxiliary support on the device, reduces the pressure of the device support and further improves the safety of the device.

Drawings

FIG. 1 is a schematic illustration of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of the lifting mechanism of the present utility model;

FIG. 3 is a schematic top view of the internal structure of the base plate of the present utility model;

fig. 4 is a schematic structural view of the falling prevention mechanism of the utility model.

Reference numerals: 1. a bottom plate; 11. a roller; 12. a controller; 13. a work table; 14. a fence; 2. a lifting mechanism; 21. a motor; 22. a threaded rod; 23. a thread plate; 24. a guide rod; 25. a folding bar; 26. a fixing plate; 27. a slide block; 3. a hydraulic cylinder; 4. an anti-falling mechanism; 41. an electromagnetic relay; 42. a magnetic rod; 43. a spring; 44. a stop block; 45. a clamping block; 46. a clamping groove.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In describing embodiments of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "inner", "outer", "upper", etc. are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in place when the inventive product is used, are merely for convenience of description and simplification of description, and are not indicative or implying that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

As shown in fig. 1 to 4, a fall-preventing safety elevator comprises a bottom plate 1, wherein a roller 11 is rotatably connected to the bottom of the bottom plate 1, a workbench 13 is abutted to the upper end of the bottom plate 1, a fence 14 is fixedly connected to the upper end of the workbench 13, a lifting mechanism 2 is arranged in the bottom plate 1, a fall-preventing mechanism 4 is arranged in the bottom plate 1, and a controller 12 is fixedly arranged at the upper end of the bottom plate 1; specifically, the device is convenient to move through the roller 11, the lifting mechanism 2 lifts the workbench 13 through the controller 12, and the falling prevention mechanism 4 is convenient to prevent the device from suddenly falling to cause the injury of the staff.

As shown in fig. 1 and 2, the lifting mechanism 2 comprises a motor 21, the inner wall of the bottom plate 1 is fixedly provided with the motor 21, the output shaft of the motor 21 is fixedly provided with a threaded rod 22, both sides of the outer end of the threaded rod 22 are in threaded connection with a threaded plate 23, the upper end of the threaded plate 23 is rotationally connected with a folding frame 25, the upper end of the folding frame 25 is rotationally connected with a sliding block 27, the bottom of the workbench 13 is fixedly provided with a fixed plate 26, and the upper end of the sliding block 27 is in sliding connection with the inner wall of the fixed plate 26; specifically, the motor 21 is started to drive the threaded rod 22 to rotate, so that the threaded plate 23 moves in opposite directions or in opposite directions, and the folding frame 25 drives the workbench 13 to move upwards or downwards, so that the working personnel can conveniently perform the operation.

As shown in fig. 1 and 2, the inner wall of the threaded plate 23 is slidably connected with a guide rod 24, two ends of the guide rod 24 are fixedly installed with the inner wall of the bottom plate 1, the lower side of the outer end of the folding frame 25 is rotatably connected with a hydraulic cylinder 3, and the output shaft of the hydraulic cylinder 3 is rotatably connected with the upper side of the outer end of the folding frame 25; specifically, through the effect of pneumatic cylinder 3, be convenient for carry out auxiliary stay to the device, reduce the pressure that the device supported, further improve the device security.

As shown in fig. 1, 3 and 4, the anti-falling mechanism 4 comprises an electromagnetic relay 41, the electromagnetic relay 41 is fixedly arranged on the inner wall of the threaded plate 23, a magnetic rod 42 is slidably connected on the inner wall of the threaded plate 23, a clamping block 45 is fixedly connected at one end of the magnetic rod 42, and a clamping groove 46 for matching the outer end of the clamping block 45 is formed in the inner wall of the bottom plate 1; specifically, the magnetic pole 42 is brought into contact with or separated from the electromagnetic relay 41 by the action of the electromagnetic relay 41 inside the screw plate 23, so that the clip 45 is easily connected to or separated from the clip groove 46.

As shown in fig. 3 and 4, the outer end of the magnetic rod 42 is fixedly connected with a stop block 44, the outer end of the magnetic rod 42 is provided with a spring 43, one end of the spring 43 is fixedly installed with the outer end of the stop block 44, and one end of the spring 43 is fixedly installed with the inner wall of the thread plate 23; specifically, the magnetic rod 42 drives the clamping block 45 to move outwards through the acting force of the spring 43, and is clamped with the clamping groove 46 in the bottom plate 1, so that the problem that the worker is injured due to sudden falling of the device is conveniently prevented.

To sum up: the threaded rod 22 is driven to rotate through the starting motor 21, the threaded plate 23 is made to move oppositely or reversely, the folding frame 25 is made to drive the workbench 13 to move upwards or downwards, through the action of the electromagnetic relay 41 inside the threaded plate 23, when the lifting device is out of control, the electromagnetic relay 41 is not fixed on the magnetic rod 42, the magnetic rod 42 drives the clamping block 45 to move outwards through the acting force of the spring 43, the clamping groove 46 inside the bottom plate 1 is clamped, the problem that the worker is injured due to sudden falling of the device is prevented, the auxiliary support is facilitated to the device through the action of the hydraulic cylinder 3, the pressure of the device support is reduced, and the safety of the device is further improved.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a fall protection security lift, includes bottom plate (1), its characterized in that: the bottom of bottom plate (1) is rotated and is connected with gyro wheel (11), the upper end butt of bottom plate (1) has workstation (13), the upper end fixedly connected with rail (14) of workstation (13), the inside of bottom plate (1) is provided with elevating system (2), the inside of bottom plate (1) is provided with prevents falling mechanism (4), the upper end fixed mounting of bottom plate (1) has controller (12).

2. A fall arrest safety elevator as defined in claim 1, wherein: elevating system (2) are including motor (21), the inner wall fixed mounting of bottom plate (1) has motor (21), the output shaft fixed mounting of motor (21) has threaded rod (22), the outer end both sides threaded connection of threaded rod (22) has screw thread board (23), the upper end rotation of screw thread board (23) is connected with folding leg (25), the upper end rotation of folding leg (25) is connected with slider (27), the bottom fixed mounting of workstation (13) has fixed plate (26), the upper end of slider (27) with the inner wall sliding connection of fixed plate (26).

3. A fall arrest safety elevator as defined in claim 2, wherein: the inner wall of the thread plate (23) is slidably connected with a guide rod (24), and two ends of the guide rod (24) are fixedly arranged on the inner wall of the bottom plate (1).

4. A fall arrest safety elevator as defined in claim 2, wherein: the lower side of the outer end of the folding frame (25) is rotationally connected with a hydraulic cylinder (3), and an output shaft of the hydraulic cylinder (3) is rotationally connected with the upper side of the outer end of the folding frame (25).

5. A fall arrest safety elevator as claimed in claim 3, wherein: anti-falling mechanism (4) include electromagnetic relay (41), the inner wall fixed mounting of screw thread board (23) has electromagnetic relay (41), the inner wall sliding connection of screw thread board (23) has magnetic pole (42), the one end fixedly connected with fixture block (45) of magnetic pole (42), supply is seted up to the inner wall of bottom plate (1) outer end assorted draw-in groove (46) of fixture block (45).

6. A fall arrest safety elevator as defined in claim 5, wherein: the outer end fixedly connected with dog (44) of magnetic pole (42), the outer end of magnetic pole (42) is provided with spring (43), the one end of spring (43) with the outer end fixed mounting of dog (44), the one end of spring (43) with the inner wall fixed mounting of screw thread board (23).