CN210884836U - A construction elevator drive mechanism device - Google Patents

Abstract

The utility model discloses a driving mechanism device of a construction elevator, which comprises a base and a lifting box. A pair of side frames are vertically fixedly connected on the upper surface of the base, and a top cover is horizontally fixedly connected between the top ends of the two side frames. The inside of the frame is provided with lifting grooves, and the two lifting grooves are movably connected with screw rods. The utility model starts the motor through the controller, and the rotation of the driving gear drives the two driven gears to rotate, thereby driving the two screw rods to rotate and lift the The rapid fall of the box will trigger the alarm in the control system. The staff needs to turn on the cylinder switch in time, and the cylinder will drive the panel to move down, and the return plate will compress the two drums to expand to both sides, thereby forcing the two sets of anti-drop hooks outward. Extend until the anti-drop hook hooks on one of the protective steps, so that the entire lift box stops in mid-air, and the operator can call the maintenance personnel to help with the maintenance.

Description

A construction elevator drive mechanism device

technical field

The utility model relates to the technical field of construction elevators, in particular to a driving mechanism device of a construction elevator.

Background technique

Construction elevator is also called construction elevator. It is composed of car, drive mechanism, standard section, attached wall, chassis, fence, electrical system and other parts. It is a manned and cargo construction machine often used in buildings. The box structure makes it comfortable and safe to ride. The construction elevator is usually used in conjunction with the tower crane on the construction site. The general load is 0.3-3.6 tons, and the running speed is 1-96M/min.

However, the existing construction hoist has no protective equipment to protect the hoisting box during the lifting process, and the driving mechanism is fixed. Once a certain structure is damaged, the hoisting box will descend directly without control. The scene is extremely dangerous, and the operator's personal security is a threat.

Utility model content

The purpose of the present utility model is to provide a driving mechanism device of a construction elevator to solve the problems raised in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides the following technical solutions: a construction elevator drive mechanism device, including a base and a lifting box, the upper surface of the base is vertically fixedly connected with a pair of side frames, the top of the two side frames A top cover is horizontally and fixedly connected between them, a lifting groove is arranged inside the two side frames, a screw rod is movably connected in the two lifting grooves, and a bottom part of the two side frames is fixedly connected. an installation plate, the lower surface of the installation plate is fixedly connected with a motor, the output shaft of the motor penetrates the installation plate and is positioned above the installation plate and is horizontally and fixedly connected with a driving gear, and both ends of the driving gear are meshed and connected with a driven gear, The two driven gears are fixedly sleeved on the bottom ends of the corresponding screw rods, a support plate is fixedly connected between the two side frames and located just above the driving gear, and the surfaces of the two screw rods are threadedly connected with threaded sleeves, and both sides of the two threaded sleeves are slidably connected to the inner side walls of the lifting grooves of the two side frames, a lifting box is fixedly connected between the two threaded sleeves, and the top surface of the lifting box is hinged with four There are two anti-drop hooks, and a connecting rod is fixedly connected between every two anti-drop hooks of different hinges, and two return plates are sleeved between the two connecting rods. A panel is fixedly connected between the top surfaces, a cylinder is fixedly connected in the middle of the lower surface of the panel, the body of the cylinder is fixedly connected to the top of the lift box, and two opposite sides of the two side frames are provided with There are grooves, and each of the grooves is provided with a plurality of protective steps.

Further, the inside of the top cover is provided with a through hole, and the diameter of the through hole is larger than the distance between the two groups of anti-drop hooks after they are not extended.

Further, the two side frames are provided with sliding grooves on the inner side walls of the lifting groove, and the sliding connection between the two threaded sleeves and each sliding groove is provided with a protruding block.

Further, each of the protection steps is 75° from the groove.

Further, the surfaces of the two connecting rods are sleeved with rotating drums, and both the rotating drums are slidably connected with the inner ring of the return plate.

Compared with the prior art, the beneficial effect of the present utility model is: the construction elevator driving mechanism device has a reasonable structure design, the motor is started by the controller, and the driving gear rotates to drive the two driven gears to rotate, thereby driving the two driven gears to rotate. The screw rotates, and the threaded sleeve is limited by the chute. When the screw rotates, the threaded sleeve can only move up, thereby driving the lift box to rise. When it needs to fall, just control the motor to reverse the direction to make the lift box move down. , When there is a sliding wire between the screw rod and the threaded sleeve, the rapid fall of the lift box will trigger the alarm in the control system. The staff needs to turn on the cylinder switch in time, and the cylinder will drive the panel to move down, and the return plate will compress the two drums. Expand to both sides, so that the two sets of anti-drop hooks are forced to extend outward until the anti-drop hook hooks one of the protective steps, so that the entire lift box stops in mid-air, and the operator can call maintenance personnel to help repair. The whole is safer and more reliable. , It has certain safety protection functions, and the lifting drive is also very convenient.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structural schematic diagram of the side frame of the present utility model;

3 is a schematic diagram of the structure of the anti-drop hook of the present invention.

In the picture: 1. Base; 2. Side frame; 3. Mounting plate; 4. Motor; 5. Driving gear; 6. Driven gear; 7. Support plate; 8. Lifting groove; 9. Screw rod; 10. Threaded sleeve; 11, lift box; 12, top cover; 13, through hole; 14, anti-drop hook; 15, cylinder; 16, panel; 17, return plate; 18, groove; 19, protective ladder; 20, Chute; 21, connecting rod; 22, drum.

Detailed ways

The technical solutions in 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. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-3, the present utility model provides a technical solution: a driving mechanism device for a construction elevator, comprising a base 1 and a lifting box 11, a pair of side frames 2 are vertically fixedly connected to the upper surface of the base 1, and the two sides A top cover 12 is horizontally and fixedly connected between the top ends of the frame 2, a lifting groove 8 is arranged inside the two side frames 2, a screw rod 9 is movably connected in the two lifting grooves 8, and the bottom of the two side frames 2 is connected. A mounting plate 3 is fixedly connected between them, and a motor 4 is fixedly connected to the lower surface of the mounting plate 3. The output shaft of the motor 4 penetrates the mounting plate 3 and is located above the mounting plate 3. A driving gear 5 is fixedly connected horizontally, and both ends of the driving gear 5 are meshed. A driven gear 6 is connected, the two driven gears 6 are fixedly sleeved on the bottom end of the corresponding screw rod 9, and a support plate 7 is fixedly connected between the two side frames 2 and located just above the driving gear 5, and the two screw The surface of the rod 9 is threadedly connected with threaded sleeves 10, and both sides of the two threaded sleeves 10 are slidably connected with the inner side walls of the lifting grooves 8 of the two side frames 2, and a lifting box 11 is fixedly connected between the two threaded sleeves 10. Four anti-drop hooks 14 are hinged on the top surface of the box 11 , and connecting rods 21 are fixedly connected between every two anti-drop hooks 14 not on the same hinge, and two loops are sleeved between the two connecting rods 21 . Plate 17, a panel 16 is fixedly connected between the top surfaces of the two return plates 17, and a cylinder 15 is fixedly connected to the middle of the lower surface of the panel 16, and the body of the cylinder 15 is fixedly connected to the top of the lift box 11. Two opposite sides of the frame 2 are provided with grooves 18 , and each groove 18 is provided with a plurality of protective steps 19 .

The top cover 12 is provided with a through hole 13 inside, and the diameter of the through hole 13 is larger than the distance between the two sets of anti-drop hooks 14 after they are not stretched, so that after the lift box 11 rises to the highest point, the anti-drop hook 14 can penetrate The through hole 13 has certain safety.

Among them, the two side frames 2 are provided with sliding grooves 20 on the inner side walls of the lifting groove 8, and the sliding connection between the two threaded sleeves 10 and each sliding groove 20 is provided with a raised block, which strengthens the sliding connection of the lifting box 11. Limiting the position to avoid excessive force on the screw 9 due to the rotation force being borne by the screw 9 .

Wherein, each protective step 19 is at 75° with the groove 18 , so that the two groups of anti-drop hooks 14 can fasten the corresponding protective steps 19 .

The surfaces of the two connecting rods 21 are sleeved with rotating drums 22 , and both rotating drums 22 are slidably connected to the inner ring of the return plate 17 , so that the return plate 17 and the connecting rod 21 slide more smoothly.

Working principle: When in use, the operator enters the lift box 11, uses the controller to start the motor 4, the driving gear 5 rotates and drives the two driven gears 6 to rotate, thereby driving the two screw rods 9 to rotate, and the threaded sleeve 10 is affected by the chute. 20 limit, when the screw 9 rotates, the threaded sleeve 10 can only move up, thereby driving the lift box 11 to rise. 9 and the threaded sleeve 10, there is a slip of wire, the lifting box 11 will not be controlled by the threaded sleeve 10 and the screw 9, and will directly descend, which is very dangerous. At this time, the alarm in the control system will be triggered, and the staff needs to timely Turn on the switch of the air cylinder 15, let the air cylinder 15 shrink, the telescopic rod expands and contracts to drive the panel 16 to move down, and the return plate 17 compresses the two drums 22 to expand to both sides, thereby forcing the two sets of anti-drop hooks 14 to extend outward until the anti-drop The hook 14 is hooked on one of the protective steps 19, so that the entire lift box 11 is stopped in mid-air, and the operator can call the maintenance personnel to help with maintenance, which is safer and more reliable overall.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (5)

1. The utility model provides a construction elevator actuating mechanism device, includes base (1) and lift case (11), its characterized in that: the upper surface of the base (1) is vertically and fixedly connected with a pair of side frames (2), a top cover (12) is horizontally and fixedly connected between the tops of the two side frames (2), lifting grooves (8) are formed in the two side frames (2), screw rods (9) are movably connected in the two lifting grooves (8), a mounting plate (3) is fixedly connected between the bottoms of the two side frames (2), a motor (4) is fixedly connected to the lower surface of the mounting plate (3), an output shaft of the motor (4) penetrates through the mounting plate (3) and is positioned above the mounting plate (3), driving gears (5) are horizontally and fixedly connected with driving gears (5), driven gears (6) are meshed and connected with the two ends of the driving gears (5), the two driven gears (6) are fixedly sleeved at the bottoms of the corresponding screw rods (9), and supporting plates (7) are fixedly connected between the two side frames (2) and positioned right above the driving gears (, the surface of the two screw rods (9) is in threaded connection with threaded sleeves (10), two sides of each threaded sleeve (10) are in sliding connection with the inner side wall of a lifting groove (8) of each two side frames (2), a lifting box (11) is fixedly connected between the two threaded sleeves (10), the top surface of each lifting box (11) is hinged with four anti-falling hooks (14), a connecting rod (21) is fixedly connected between every two anti-falling hooks (14) of different hinges, two back-shaped plates (17) are sleeved between the two connecting rods (21), a panel (16) is fixedly connected between the top surfaces of the two back-shaped plates (17), an air cylinder (15) is fixedly connected in the middle of the lower surface of the panel (16), the body of the air cylinder (15) is fixedly connected to the top end of the lifting box (11), and grooves (18) are arranged in two opposite side faces of each side frame (2), a plurality of protective steps (19) are arranged in each groove (18).

2. The construction elevator driving mechanism apparatus according to claim 1, wherein: a through hole (13) is formed in the top cover (12), and the aperture of the through hole (13) is larger than the distance between the two groups of anti-falling hooks (14) after the anti-falling hooks are not stretched.

3. The construction elevator driving mechanism apparatus according to claim 1, wherein: two the inside wall that limit frame (2) are located lift groove (8) all is equipped with spout (20), and two thread bush (10) all are equipped with protruding piece with every spout (20) sliding connection department.

4. The construction elevator driving mechanism apparatus according to claim 1, wherein: each protective step (19) is 75 degrees with the groove (18).

5. The construction elevator driving mechanism apparatus according to claim 1, wherein: the surfaces of the two connecting rods (21) are all sleeved with rotary drums (22), and the rotary drums (22) are all in sliding connection with the inner ring of the return-shaped plate (17).

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