CN219194430U

CN219194430U - Gantry type lifter

Info

Publication number: CN219194430U
Application number: CN202223184725.XU
Authority: CN
Inventors: 付延涛
Original assignee: Jinan Longming Lifting Machinery Co ltd
Current assignee: Jinan Longming Lifting Machinery Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-06-16
Anticipated expiration: 2032-11-30

Abstract

The utility model designs a gantry type lifter which comprises a portal frame, wherein a working box and two supporting frames connected with the top of the portal frame are arranged between the portal frames, a connecting frame is arranged between the two supporting frames, the supporting frames penetrate through the working box, racks are arranged on the supporting frames, a baffle is arranged in the working box, driving equipment is arranged on the right side of the baffle, the driving equipment is connected with a rotating shaft, a spur gear matched with the racks is connected on the rotating shaft, the rotating shaft is connected with the working box in a rotating mode, and anti-falling devices are arranged outside the working box and on the side walls of the portal frame. Can carry out the transportation of personnel or goods on building site, through setting up the cooperation and the wire rope's of spur gear and rack traction for work platform's drive is more stable, and factor of safety improves, and anti-falling device's stopper and the setting of sawtooth shaped plate can prevent work platform's whereabouts when work platform loses the driving force, provides the guarantee for personnel and goods's safety.

Description

Gantry type lifter

Technical Field

The utility model relates to the technical field of elevators, in particular to a gantry type elevator.

Background

The lifting mechanism is called a lifting table, and is lifting equipment for lifting people or goods to a certain height. When a factory, an automatic warehouse, a construction site and the like are used for vertical conveying, various plane conveying devices are often arranged on the lifting platform and used as connecting devices of conveying lines with different heights. Besides being used for transporting cargoes at different heights, the device is widely applied to operations such as high-altitude installation and maintenance. The lifting mechanism is generally used on a building site, the gantry type lifter is generally used when a building is higher, people or goods are conveyed to a certain building height to work or use, but when the existing gantry type lifter is used, a working platform is directly connected with a driving motor through a lead screw or a steel wire rope to drive the working platform to ascend or descend, a certain potential safety hazard exists, if working conditions occur on the driving equipment, the working platform loses driving force and descends sharply, and a high danger exists.

Disclosure of Invention

The utility model aims to provide a gantry type lifter, which aims to solve the problem that an accident is caused by the fact that a working platform of the gantry type lifter loses driving force.

In order to achieve the above purpose, the utility model provides a gantry type lifter, which comprises a portal frame, wherein a working box and two supporting frames connected with the top of the portal frame are arranged between the portal frames, a connecting frame is arranged between the two supporting frames, the supporting frames penetrate through the working box, racks are arranged on the supporting frames, a baffle plate is arranged in the working box, driving equipment is arranged on the right side of the baffle plate, the driving equipment is connected with a rotating shaft, a spur gear matched with the racks is connected on the rotating shaft, the rotating shaft is rotationally connected with the working box, and anti-falling devices are arranged outside the working box and on the side wall of the portal frame.

As a further aspect of the utility model: the driving equipment comprises a driving motor arranged at the bottom of the working box, wherein the output end of the driving motor is fixedly connected with a first bevel gear, the first bevel gear is connected with a second bevel gear in a meshed mode, the right side of the second bevel gear is fixedly connected with a mounting column, and the mounting column is rotationally connected with the side wall of the working box.

As a further aspect of the utility model: the anti-falling device comprises saw-tooth plates symmetrically arranged on the side wall of the portal frame and an electric cylinder arranged at the edge of the working box, wherein a supporting plate is connected in the telescopic end of the electric cylinder through a supporting spring, and a limiting block is fixedly connected with the supporting plate. The acting force of the meshing of the gear and the rack is reduced, and the gear and the rack are prevented from falling off.

As a further aspect of the utility model: the tip of the limiting block is arranged downwards. Is matched with the serrated slat on the portal frame, and plays the roles of bearing and preventing falling.

As a further aspect of the utility model: the electric cylinder outside of work box bottom is provided with the protective housing, protective housing and work box bottom fixed connection. The working box is prevented from moving to the bottommost part to damage the electric cylinder.

As a further aspect of the utility model: the working box is provided with a hanging ring connected with a pulley mechanism arranged at the top of the portal frame. The cooperation of rings and pulley mechanism is used for hoisting the work box, provides pulling force for the work box.

The utility model has the advantages that: through adopting above technical scheme, set up novel planer-type lift, can carry out the transportation of personnel or goods on building site, through setting up the cooperation of straight-tooth gear and rack and wire rope's traction for work platform's drive is more stable, factor of safety improves, and the stopper of anti-falling device and the setting of sawtooth shaped plate, can prevent work platform's whereabouts when work platform loses the driving force, provide the guarantee for personnel and the safety of goods.

Drawings

FIG. 1 is a schematic view of a gantry crane;

fig. 2 is an enlarged view at a.

In the figure: 1. a portal frame; 2. a working box; 3. a support frame; 4. a connecting frame; 5. a rack; 6. a baffle; 7. a driving device; 71. a driving motor; 72. a first bevel gear; 73. a second bevel gear; 74. a mounting column; 8. a rotating shaft; 9. spur gears; 10. an anti-falling device; 101. a saw-tooth plate; 102. an electric cylinder; 103. a telescoping end; 104. a support spring; 105. a support plate; 106. a limiting block; 11. a protective housing; 12. and (5) hanging rings.

Detailed Description

The drawings are for illustrative purposes only and certain components of the drawings may be omitted, enlarged or reduced in order to better illustrate the present embodiments, and do not represent the size of the actual product.

In the description of this patent, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the patent and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and are therefore not to be construed as limiting the patent.

In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.

Referring to fig. 1, a gantry type lifter comprises a gantry 1, a working box 2 and two supporting frames 3 connected with the top of the gantry 1 are arranged between the gantry 1, the bottom ends of the supporting frames 3 are fixed with the ground of a construction site, a connecting frame 4 is arranged between the supporting frames 3, the connecting frame 4 plays a role of connecting and supporting the two supporting frames 3, the supporting frames 3 penetrate through the working box 2, racks 5 are arranged on the supporting frames 3, a baffle 6 is arranged in the working box 2, driving equipment 7 is arranged on the right side of the baffle 6, a rotating shaft 8 penetrates through the baffle 6 and is connected with the driving equipment 7, the driving equipment 7 is connected with a rotating shaft 8, a spur gear 9 matched with the racks 5 is connected on the rotating shaft 8, the driving equipment 7 comprises a driving motor 71 arranged at the bottom of the working box 2, the output end of the driving motor 71 is fixedly connected with a first bevel gear 72, the first bevel gear 72 is meshed and connected with a second bevel gear 73, a mounting column 74 is fixedly connected on the right side of the second bevel gear 73, the mounting column 74 is rotationally connected with the side wall of the working box 2, and the rotating shaft 8 is rotationally connected with the working box 2. The staff gets into work box 2 or goods and puts into work box 2, starts driving motor 71, and driving motor 71 drives first bevel gear 72, drives second bevel gear 73 through the meshing and drives axis of rotation 8 rotation, drives spur gear 9 rotation, through the meshing with rack 5, rises upwards.

Further, the anti-falling device 10 is arranged on the side wall of the portal frame 1 and is arranged on the outer side of the working box 2, the anti-falling device 10 comprises sawtooth-shaped plates 101 symmetrically arranged on the side wall of the portal frame 1, the sawtooth-shaped plates 101 are arranged on the inner wall of the portal frame 1 through bolts, electric cylinders 102 are arranged at four corners of the edge of the working box 2, the specification bearing capacity of selected groups of electric cylinders 102 is enough to weigh the working box 2 up, the electric cylinders 102 are arranged at the top and the bottom of the outer side of the working box 2, limiting blocks 106 can be hung on the sawtooth-shaped plates 101 at the same time, the electric cylinders 102 are controlled by workers in the working box 2, a protective shell 11 is arranged on the outer side of the electric cylinders 102 at the bottom of the working box 2, the protective shell 11 is fixedly connected with the bottom of the working box 2, a supporting plate 105 is connected in a telescopic end 103 of the electric cylinders 102 through supporting springs 104, as shown in fig. 2, the supporting plate 105 is in sliding connection with the telescopic end 103, the limiting blocks 106 are fixedly connected with the tips of the limiting blocks 106, the tips of the limiting blocks 106 are downwards arranged, when the working box 2 upwards, the limiting blocks 106 are in contact with one ends of the slopes of the sawtooth-shaped plates 101, and the falling emergency occurs, the tips of the limiting blocks 106 are matched with the tips of the saw-shaped plates 101, and the working box 2 are prevented from falling. Before the working box 2 ascends, a worker firstly controls the electric cylinder 102 to push out the telescopic end 103, after the limiting block 106 contacts the sawtooth-shaped plate 101, the electric cylinder 102 is closed, in the ascending process of the working box 2, the supporting spring 104 is compressed before each sawtooth of the limiting block 106 and moves into the telescopic end 103, the limiting block 106 is ejected out by the supporting spring 104 after the limiting block 106 reaches the upper part of the sawtooth, and the limiting block is clamped on the sawtooth-shaped plate 101 and is used for bearing on one hand and falling on the other hand; when the working box 2 needs to be reset and descends, the electric cylinder 102 is controlled to drive the telescopic end 103 to retract the limiting block 106; in case of emergency, the tip of the limiting block 106 is matched with the tip of the sawtooth-shaped plate 101 to prevent the working box 2 from falling down.

Further, the working box 2 is provided with a hanging ring 12 connected with a pulley mechanism arranged at the top of the portal frame 1, the pulley mechanism adopts the existing pulley, motor, steel wire rope and other structures, the pulley mechanism is arranged at the top of the portal frame 1, and the steel wire rope is connected with the hanging ring 12 at the top of the working box 2 to play a role in hanging and supporting the working box 2.

Working principle: the working personnel enter the working box 2 or goods are put into the working box 2, the driving motor 71 is started, the driving motor 71 drives the first bevel gear 72, the second bevel gear 73 is driven by meshing to drive the rotating shaft 8 to rotate, the spur gear 9 is driven to rotate, the spur gear is lifted upwards through meshing with the rack 5, in the ascending process of the working box 2, the supporting spring 104 is compressed before each sawtooth of the limiting block 106, the limiting block moves into the telescopic end 103, the limiting block 106 is ejected out by the supporting spring 104 after reaching the upper part of the sawtooth, and is clamped on the sawtooth-shaped plate 101, so that the bearing is realized on one hand, and the falling can be prevented on the other hand; when the working box 2 is reset and descends, the electric cylinder 102 is controlled to retract the telescopic end 103 to drive the limiting block 106, and then the operation control driving motor 71 is operated to reversely rotate to convey the working box 2 to the ground.

In summary, the present utility model is not limited to the above embodiments. Several changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the utility model. The protection scope of the utility model is subject to the claims of the utility model.

Claims

1. The utility model provides a planer-type lift, includes portal frame (1), its characterized in that, be provided with work box (2) between portal frame (1) and two support frames (3) that are connected with portal frame (1) top, two be provided with link (4) between support frame (3), support frame (3) run through work box (2) setting, be provided with rack (5) on support frame (3), be provided with baffle (6) in work box (2), baffle (6) right side is provided with actuating device (7), actuating device (7) are connected with axis of rotation (8), be connected with spur gear (9) with rack (5) matched with on axis of rotation (8), axis of rotation (8) are connected with work box (2) rotation, be provided with anti-falling device (10) on work box (2) outside and portal frame (1) lateral wall.

2. The gantry type lifter according to claim 1, characterized in that the driving device (7) comprises a driving motor (71) arranged at the bottom of the working box (2), the output end of the driving motor (71) is fixedly connected with a first bevel gear (72), the first bevel gear (72) is connected with a second bevel gear (73) in a meshed manner, the second bevel gear (73) is fixedly connected with the rotating shaft (8), the right side of the second bevel gear (73) is fixedly connected with a mounting column (74), and the mounting column (74) is rotatably connected with the side wall of the working box (2).

3. The gantry type lifter according to claim 1, wherein the anti-falling device (10) comprises saw-tooth shaped plates (101) symmetrically arranged on the side wall of the gantry (1) and an electric cylinder (102) arranged at the edge of the working box (2), a supporting plate (105) is connected in a telescopic end (103) of the electric cylinder (102) through a supporting spring (104), the supporting plate (105) is slidably connected with the telescopic end (103), and a limiting block (106) is fixedly connected with the supporting plate (105).

4. A gantry elevator according to claim 3, characterized in that the tip of the stopper (106) is arranged downwards.

5. A gantry elevator according to claim 3, characterized in that a protective housing (11) is arranged outside the electric cylinder (102) at the bottom of the working box (2), said protective housing (11) being fixedly connected to the bottom of the working box (2).

6. Gantry crane according to claim 1, characterized in that the working box (2) is provided with a lifting ring (12) connected to a pulley mechanism mounted on top of the gantry (1).