CN210884836U

CN210884836U - Construction elevator actuating mechanism device

Info

Publication number: CN210884836U
Application number: CN201922000744.4U
Authority: CN
Inventors: 张秀霞; 樊世中; 曹江华
Original assignee: Hengshui Hengshun Machinery Co ltd
Current assignee: Hengshui Hengshun Machinery Co ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-06-30
Anticipated expiration: 2029-11-19

Abstract

The utility model discloses a driving mechanism device of a construction elevator, which comprises a base and a lifting box, wherein the upper surface of the base is vertically and fixedly connected with a pair of side frames, a top cover is horizontally and fixedly connected between the top ends of the two side frames, lifting grooves are arranged inside the two side frames, and screw rods are movably connected in the two lifting grooves, a controller starts a motor, a driving gear rotates to drive two driven gears to rotate, so as to drive the two screw rods to rotate, the lifting box descends rapidly to trigger an alarm in a control system, a worker needs to open a cylinder switch in time, drives a panel to move downwards through a cylinder, a returning plate compresses two rotary cylinders to expand towards two sides, so that two groups of anti-falling hooks are forced to extend outwards until the anti-falling hooks hook hooks one of the protective steps, thus the whole lifting box stops in a half space, and an operator can call a maintenance worker to help the maintenance, the whole safety and reliability are higher, a certain safety protection function is realized, and the lifting driving is also very convenient.

Description

Construction elevator actuating mechanism device

Technical Field

The utility model relates to a construction elevator technical field specifically is a construction elevator actuating mechanism device.

Background

The construction elevator is composed of a lift car, a driving mechanism, a standard knot, an attached wall, a chassis, a fence, an electrical system and the like, is a manned cargo-carrying construction machine frequently used in buildings, is comfortable and safe to ride due to the unique box body structure, is usually matched with a tower crane on a construction site, generally has the carrying capacity of 0.3-3.6 tons, and has the running speed of 1-96M/min.

However, the existing construction elevator does not have a protective device to protect the lifting box in the lifting process, the driving mechanism is fixed, and once a certain structure is damaged, the lifting box is not controlled and directly descends, so that the scene is extremely dangerous, and the personal safety of operators is threatened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a construction elevator actuating mechanism device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a driving mechanism device of a construction elevator comprises a base and a lifting box, wherein the upper surface of the base is vertically and fixedly connected with a pair of side frames, a top cover is horizontally and fixedly connected between the top ends of the two side frames, lifting grooves are formed in the two side frames, screw rods are movably connected in the two lifting grooves, a mounting plate is fixedly connected between the bottoms of the two side frames, a motor is fixedly connected to the lower surface of the mounting plate, an output shaft of the motor penetrates through the mounting plate and is positioned above the mounting plate, a driving gear is horizontally and fixedly connected with the driving gear, the two ends of the driving gear are respectively engaged and connected with a driven gear, the two driven gears are respectively fixedly sleeved at the bottom ends of the corresponding screw rods, a supporting plate is fixedly connected between the two side frames and is positioned right above the driving gear, thread sleeves are respectively connected to the surfaces of the two screw rods, and the two sides, two fixedly connected with cage between the thread bush, the top surface of cage articulates there are four to prevent falling the hook, and per two same hinges of non-prevent falling equal fixedly connected with connecting rod between the hook, two the cover is equipped with two and returns the template, two between the connecting rod fixedly connected with panel between the top surface of returning the template, fixedly connected with cylinder in the middle of the lower surface of panel is positive, the fuselage fixed connection of cylinder is on the top of cage, two all be equipped with recess, every in two opposite side of limit frame all be equipped with a plurality of protection ladders in the recess.

Furthermore, a through hole is formed in the top cover, and the aperture of the through hole is larger than the distance between the two groups of anti-falling hooks after the two groups of anti-falling hooks are not stretched.

Further, two the limit frame all is equipped with the spout on being located the inside wall in lift groove, and two thread bush all is equipped with protruding piece with every spout sliding connection department.

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

Further, the surfaces of the two connecting rods are all sleeved with rotary drums, and the rotary drums are all in sliding connection with the inner ring of the return-shaped plate.

Compared with the prior art, the beneficial effects of the utility model are that: the driving mechanism device of the construction elevator is reasonable in structural design, a motor is started through a controller, a driving gear rotates to drive two driven gears to rotate, so that two screw rods are driven to rotate, the threaded sleeves are limited by the sliding grooves, the threaded sleeves can only move upwards under the condition that the screw rods rotate, so that the elevator box is driven to ascend, when the elevator box needs to descend, the elevator box can move downwards only by controlling the motor to rotate reversely, when sliding wires occur between the screw rods and the threaded sleeves, the elevator box quickly descends to trigger an alarm in a control system, a worker needs to timely start a cylinder switch, a panel is driven to move downwards through a cylinder, a returning plate can compress two rotary cylinders to expand towards two sides, so that two groups of anti-falling hooks are forced to extend outwards until the anti-falling hooks hook one protective ladder, the whole elevator box stops in a half space, and an operator can call a maintenance worker to help the maintenance, the whole safety and reliability are higher, a certain safety protection function is realized, and the lifting driving is also very convenient.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the side frame structure of the present invention;

fig. 3 is a schematic view of the structure of the falling-off preventing hook of the present invention.

In the figure: 1. a base; 2. a side frame; 3. mounting a plate; 4. a motor; 5. a driving gear; 6. a driven gear; 7. a supporting plate; 8. a lifting groove; 9. a screw rod; 10. a threaded sleeve; 11. a lifting box; 12. a top cover; 13. a through hole; 14. preventing hook falling; 15. a cylinder; 16. a panel; 17. a plate return; 18. a groove; 19. a protective step; 20. a chute; 21. a connecting rod; 22. a rotating drum.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a driving mechanism device of a construction elevator comprises a base 1 and an elevating box 11, wherein 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 top ends of the two side frames 2, elevating grooves 8 are respectively arranged inside the two side frames 2, screw rods 9 are respectively and movably connected in the two elevating 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 horizontally and fixedly connected with a driving gear 5 above the mounting plate 3, both ends of the driving gear 5 are respectively engaged and connected with a driven gear 6, the two driven gears 6 are respectively and fixedly sleeved at the bottom ends of the corresponding screw rods 9, a supporting plate 7 is fixedly connected between the two side frames 2 and is positioned right above the driving gear 5, the surfaces of the two screw rods 9 are respectively in threaded connection with a, fixedly connected with cage 11 between two thread bush 10, the top surface of cage 11 articulates there are four to prevent falling hook 14, and per two same hinge of non-equal fixedly connected with connecting rod 21 between preventing falling hook 14, the cover is equipped with two between two connecting rod 21 and returns template 17, fixedly connected with panel 16 between two top surfaces that return template 17, fixedly connected with cylinder 15 in the middle of panel 16's the lower surface is positive, the fuselage fixed connection of cylinder 15 is on the top of cage 11, all be equipped with recess 18 in two opposite side of two frames 2, all be equipped with a plurality of protection ladder 19 in every recess 18.

The 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 two groups of anti-falling hooks 14 are not extended, so that the anti-falling hooks 14 can penetrate through the through hole 13 after the lifting box 11 rises to the highest point, and certain safety is achieved.

Wherein, two limit frame 2 all are equipped with spout 20 on being located the inside wall of lift groove 8, and two thread bush 10 all are equipped with protruding piece with every spout 20 sliding connection department, strengthen spacing to lift case 11, avoid the revolving force to bear by lead screw 9 and cause lead screw 9 atress excessive.

Wherein, each protection step 19 is 75 degrees with the groove 18, so that the two groups of anti-falling hooks 14 can hook the corresponding protection steps 19 tightly.

Wherein, two connecting rod 21 surfaces all overlap and are equipped with rotary drum 22, and two rotary drums 22 all with the inner ring sliding connection who returns the template 17, slide more smoothly in the front of the template 17 of being convenient for and connecting rod 21.

The working principle is as follows: when the anti-falling hook is used, an operator enters the lifting box 11, the controller is utilized to start the motor 4, the driving gear 5 rotates to drive the two driven gears 6 to rotate, so as to drive the two screw rods 9 to rotate, the threaded sleeve 10 is limited by the sliding groove 20, the threaded sleeve 10 can only move upwards under the condition that the screw rods 9 rotate, so as to drive the lifting box 11 to ascend, when the lifting box needs to descend, the lifting box 11 can move downwards only by controlling the reverse rotation of the motor 4, when the sliding wire occurs between the screw rods 9 and the threaded sleeve 10, the lifting box 11 can not be controlled by the threaded sleeve 10 and the screw rods 9, and can directly descend, so that danger is caused, an alarm in a control system can be triggered, a worker needs to open the air cylinder 15 switch in time, the air cylinder 15 is contracted, the telescopic rod can be stretched to drive the panel 16 to move downwards, the return-shaped plate 17 can compress the two rotary cylinders, until the anti-falling hook 14 hooks one of the protection steps 19, so that the whole lifting box 11 is stopped in a half-empty state, and an operator can call a maintenance worker to help maintenance, so that the whole lifting box is safer and more reliable.

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

Claims

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).