CN112320533A

CN112320533A - Safety construction elevator

Info

Publication number: CN112320533A
Application number: CN202011189298.7A
Authority: CN
Inventors: 徐洪瑞; 崔秋; 张文强; 刘永永; 徐东方; 吴锴; 于猛; 李潮洋; 曹维存
Original assignee: First Construction Co Ltd of China Construction Seventh Engineering Division Corp Ltd
Current assignee: First Construction Co Ltd of China Construction Seventh Engineering Division Corp Ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-02-05
Anticipated expiration: 2040-10-30
Also published as: CN112320533B

Abstract

The invention provides a safety construction elevator, which belongs to the technical field of building construction equipment and comprises a lift car, wherein the lift car is provided with a lift car door, a lift car door driving mechanism used for driving the lift car door to open and close, and a supporting mechanism positioned at the bottom of the lift car, the supporting mechanism comprises a bridge plate, a curved bar and a connecting rod, and the bridge plate is arranged at the bottom of the lift car in a sliding manner and is connected with or contacted with a preset floor part when sliding out of the lift car; the curved rod is connected with the bridge plate and is gradually bent to a direction away from the car door along the opening direction of the car door; one end of the connecting rod is connected with the car door, and the other end of the connecting rod is connected with the curved rod in a sliding mode and used for driving the bridge plate to extend or retract when the car door moves. The invention can lead the bridge plate to slide along with the opening and closing of the car door, and can be connected and clamped with floors when the car door is opened, thereby avoiding the accidental falling of the car during working, simultaneously improving the safety of constructors when getting on or off the car, greatly avoiding the occurrence of accidents and further improving the practicability of use.

Description

Safety construction elevator

Technical Field

The invention belongs to the technical field of building construction equipment, and particularly relates to a safety construction elevator.

Background

The construction elevator is generally called a construction elevator, but the definition of the construction elevator is wider, a construction platform also belongs to the construction elevator series, and the common construction elevator consists of a lift car, a driving mechanism, a standard section, an attached wall, a chassis, a fence, an electrical system and the like and is a manned cargo-carrying construction machine frequently used in buildings.

Construction elevator among the prior art is when using, because the elevator reciprocates, consequently, have great space between car and the floor, and the space produces high altitude junk easily on the one hand, there is the security threat to the personal equipment of below, the space of on the other hand car door department is when the dolly of freight passes through, because the wheel is less, often can produce the card pause in the gap department, this kind of card pause makes push-and-pull dolly more hard, and can increase the vibrations of car, both can lead to the fact harmful effects to passenger's psychology, can accelerate the wearing and tearing of elevator part again, increase the safe risk of elevator operation.

Disclosure of Invention

The invention aims to provide a safe construction elevator, which aims to solve the technical problem that the construction elevator car gap has safety risk in the prior art.

In order to achieve the purpose, the invention adopts the technical scheme that: the safe construction elevator comprises a car, wherein a car door, a car door driving mechanism for driving the car door to open and close and a supporting mechanism are arranged at the bottom of the car, the supporting mechanism comprises a bridge plate, a curved rod and a connecting rod, the bridge plate is arranged at the bottom of the car in a sliding manner and is connected with or contacted with a preset floor part when sliding out of the car; the curved rod is connected with the bridge plate and is gradually bent to a direction away from the car door along the opening direction of the car door; one end of the connecting rod is connected with the car door, and the other end of the connecting rod is connected with the curved rod in a sliding mode and used for driving the bridge plate to extend or retract when the car door moves.

In one embodiment of the invention, the supporting mechanism further comprises a sliding limiting assembly for limiting the movement direction of the bridge plate, the sliding limiting assembly comprises a lug, a round rod, a cylinder and a supporting rod, one end of the supporting rod is fixedly connected with the bottom of the lift car, the cylinder is fixedly connected with the other end of the supporting rod, the round rod penetrates through the cylinder and is in sliding fit with the cylinder, the lug is fixedly arranged on the bridge plate, and one end of the round rod is connected with the lug.

In an embodiment of the invention, the supporting mechanism further comprises a vertical rod, a sliding rod and a support plate, the curved rod is provided with a sliding groove, the sliding rod is in sliding fit with the curved rod through the sliding groove, two ends of the vertical rod are respectively connected with the car door and the sliding rod, the curved rod and the bridge plate are fixedly connected through the support plate, and the surface of the bridge plate is provided with a convex edge for enhancing the contact of the bridge plate and a preset part of a floor.

In one embodiment of the invention, the car is also provided with a blocking mechanism for cushioning the gap between the car and the floor plate.

In one embodiment of the invention, the blocking mechanism comprises a mounting plate, a rotating rod, a bearing strip, a clamping block, a gear, a rack and a traction assembly; one side of the mounting plate is fixedly connected with the side wall of the lift car, the rotating rod is rotatably arranged at the other side of the mounting plate, the bearing strip is arranged on the rotating rod and used for being cushioned in a gap between the lift car and the floor plate, the clamping block is arranged on the mounting plate and used for being abutted against the bearing strip to limit the angle of the rotating rod, and the gear is arranged on the rotating shaft of the rotating rod and used for driving the rotating rod to rotate; the rack is arranged on the mounting plate in a sliding mode, meshed with the gear and used for driving the gear to rotate, and the traction assembly is connected with the rack and used for driving the rack to move.

In one embodiment of the invention, the traction assembly comprises a traction rope connected with the curved rod through a guide pulley block and used for driving the blocking mechanism to be linked through the curved rod.

In one embodiment of the invention, the retraction assembly includes a telescoping motor connected to a rack.

In one embodiment of the invention, the car is provided with a groove, the telescopic motor is arranged in the groove, and the rack is in sliding fit with the groove.

In one embodiment of the invention, reflective strips are provided on the support strips.

In one embodiment of the invention, the car door is of a half-open structure, and two blocking mechanisms are arranged on two sides of the car respectively.

The safety construction elevator provided by the invention has the beneficial effects that: compared with the prior art, the invention has the advantages that through the matching of the car, the car door and the supporting mechanism, when in use, the bridge plate can slide along with the opening and closing of the car door through the matching of the bridge plate, the curved rod and the connecting rod, and can be connected and clamped with floors when the car door is opened, so that the car is prevented from accidentally falling during working, meanwhile, the safety of constructors during getting on and off the car can be improved, the occurrence of accidents is greatly avoided, and the use practicability is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

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

FIG. 2 is a schematic bottom view of the structure of FIG. 1;

FIG. 3 is a schematic view of the partial cross-sectional structure of FIG. 1;

fig. 4 is a schematic view of the structure of the gear, the carrier strip and the mounting plate of fig. 3.

Wherein the reference numerals in the figures are as follows:

1. a car; 2. a car door; 3. a holding mechanism; 301. a vertical rod; 302. a connecting rod; 303. a slide bar; 304. a chute; 305. a curved bar; 306. a support plate; 307. a bridge plate; 308. a rib; 309. a bump; 310. a round bar; 311. a cylinder; 312. a strut; 4. a blocking mechanism; 401. mounting a plate; 402. a rotating rod; 403. a support strip; 404. a light-reflecting strip; 405. a clamping block; 406. a gear; 407. a rack; 408. a groove; 409. a telescopic motor.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

A description will now be given of a safety construction elevator provided by the present invention.

Referring to fig. 1 and 2 together, the safety construction elevator provided by the invention comprises a car 1, wherein the car 1 is provided with a car door 2, a car door driving mechanism for driving the car door 2 to open and close, and a supporting mechanism 3 positioned at the bottom of the car 1, the supporting mechanism 3 comprises a bridge plate 307, a curved rod 305 and a connecting rod 302, and the bridge plate 307 is arranged at the bottom of the car 1 in a sliding manner and is connected or contacted with a preset floor part when sliding out of the car 1; the curved lever 305 is connected with the bridge 307 and is gradually curved away from the car door 2 in the direction in which the car door 2 opens; the connecting rod 302 has one end connected to the car door 2 and the other end slidably connected to a curved lever 305 for driving the bridge plate 307 to extend or retract when the car door 2 moves.

Compared with the prior art, the safe construction elevator provided by the invention has the advantages that through the matching of the car, the car door and the supporting mechanism, when in use, the bridge plate can slide along with the opening and closing of the car door through the matching of the bridge plate 307, the curved rod 305 and the connecting rod 302, and when the car door is opened, the bridge plate can be connected and clamped with a floor, so that the car is prevented from accidentally falling during working, meanwhile, the safety of constructors in the process of getting on and off the car can be improved, the occurrence of accidents is greatly avoided, and the use practicability is further improved.

Referring to fig. 1 and 2 together, as a specific embodiment of the safety construction elevator provided by the present invention, the supporting mechanism 3 further includes a sliding limiting component for limiting the movement direction of the bridge plate 307, the sliding limiting component includes a protrusion 309, a circular rod 310, a cylinder 311 and a supporting rod 312, one end of the supporting rod 312 is fixedly connected with the bottom of the car 1, the cylinder 311 is fixedly connected with the other end of the supporting rod 312, the circular rod 310 is inserted into the cylinder 311 and is in sliding fit with the cylinder 311, the protrusion 309 is fixedly disposed on the bridge plate 307, and one end of the circular rod 310 is connected with the protrusion 309.

The supporting mechanism 3 further comprises a vertical rod 301, a sliding rod 303 and a support plate 306, the curved rod 305 is provided with a sliding chute 304, the sliding rod 303 is in sliding fit with the curved rod 305 through the sliding chute 304, two ends of the vertical rod 301 are respectively connected with the car door 2 and the sliding rod 303, the curved rod 305 is fixedly connected with a bridge plate 307 through the support plate 306, and the surface of the bridge plate 307 is provided with a convex rib 308 for enhancing the contact between the bridge plate 307 and a preset part of a floor.

The sliding rod 303, the connecting rod 302 and the vertical rod 301 are arranged corresponding to the position of the car door 2, so that the sliding rod 303 can move along with the car door 2, the outer wall of the sliding rod 303 is in clearance fit with a curved rod 305 through a sliding chute 304, the sliding rod 303 and the sliding chute 304 form a sliding structure, so that when the car door 2 is opened, the curved rod 305 can slide towards the opening direction of the car 1, the front surface of the curved rod 305 is fixedly connected with a bridge plate 307 through a supporting plate 306, the top of the bridge plate 307 is provided with a convex rib 308, the convex rib 308 is used for increasing the friction of the bridge plate 307, the bottom of the bridge plate 307 is fixedly connected with a convex block 309, the rear end of the convex block 309 is fixedly connected with a round rod 310, the outer wall of the round rod 310 is in clearance fit with a cylinder 311, the round rod 310 of the cylinder.

Referring to fig. 1, 3 and 4 together, as an embodiment of the safety construction elevator provided by the present invention, the car 1 is further provided with a blocking mechanism 4 for cushioning a gap between the car 1 and a floor plate. Because the supporting mechanism 3 can cause the space between the car 1 and the floor plate to be enlarged, the blocking mechanism 4 can block or fill the space between the car 1 and the floor plate, and the personnel and the freight trolley are prevented from being influenced by the space to cause danger.

The blocking mechanism 4 comprises a mounting plate 401, a rotating rod 402, a supporting strip 403, a clamping block 405, a gear 406, a rack 407 and a traction component; one side of the mounting plate 401 is fixedly connected with the side wall of the car 1, the rotating rod 402 is rotatably arranged at the other side of the mounting plate 401, the supporting strip 403 is arranged on the rotating rod 402 and used for being cushioned in a gap between the car 1 and a floor plate, the fixture block 405 is arranged on the mounting plate 401 and used for being abutted against the supporting strip 403 to limit the angle of the rotating rod 402, and the gear 406 is arranged on the rotating shaft of the rotating rod 402 and used for driving the rotating rod 402 to rotate; the rack 407 is slidably disposed on the mounting plate 401, and is engaged with the gear 406 for driving the gear 406 to rotate, and the pulling assembly is connected with the rack 407 for pulling the rack 407 to move.

The support strips 403 are provided with reflective strips 404, and the reflective strips 404 increase the visibility of the support strips 403.

The car door 2 is of a split structure, and two blocking mechanisms 4 are respectively arranged on two sides of the car 1.

The pulling assembly comprises a pulling rope connected with the curved bar 305 through a guide pulley block and is used for driving the blocking mechanism 4 to be linked through the curved bar 305.

Alternatively, the pulling assembly includes a telescoping motor 409 connected to the rack 407. A groove 408 is formed in the car 1, the telescopic motor 409 is arranged in the groove 408, and the rack 407 is in sliding fit with the groove 408.

If the telescopic motor 409 is adopted, when the safety construction elevator is used, the telescopic motor 409 is firstly connected with an external power supply, when the car 1 works, the car door 2 is combined and sealed, and at the moment, the telescopic motor 409 drives the rack 407 to slide upwards; when a pull-cord is used, rack 407 is linked to bell crank 305. The rack 407 is connected with the gear 406 in a meshing manner, so that the rotating rod 402 drives the bearing strip 403 to rotate inwards, and the bearing strip is abutted against the clamping block 405, and then the car door 2 is blocked, so that a constructor can avoid accidents caused by leaning against the car door 2, meanwhile, when the car 1 stops, the car door 2 is separated and opened, and the sliding rod 303 is in clearance fit with the sliding groove 304, so that the clamping block 405 drives the opening of the car 1 to slide, and the rack 407 slides along with the sliding of the clamping block 405 and extends out to be clamped with floors, so that the accidental falling of the car 1 can be avoided, and meanwhile, the safety of the constructor when the car 1 goes up and down can be improved, when the car door 2 is combined and blocked, the reverse operation is realized, the bridge plate 307 is reset, so that the practicability is greatly improved.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a safe construction elevator, its characterized in that includes car (1), be equipped with car door (2) on car (1), be used for the drive car door actuating mechanism of car door (2) switching and be located the bottom of car (1) is equipped with and holds in the palm mechanism (3), hold in the palm mechanism (3) and include:

the bridge plate (307) is arranged at the bottom of the car (1) in a sliding manner and is used for being connected or contacted with a preset floor part when sliding out of the car (1);

a curved lever (305) connected to the bridge (307) and gradually curved in a direction away from the car door (2) in a direction in which the car door (2) is opened; and

a connecting rod (302) with one end connected with the car door (2) and the other end connected with the curved rod (305) in a sliding way and used for driving the bridge plate (307) to extend or retract when the car door (2) moves.

2. A safety construction elevator according to claim 1, characterized in that: the supporting mechanism (3) further comprises a sliding limiting component used for limiting the movement direction of the bridge plate (307), the sliding limiting component comprises a convex block (309), a round rod (310), a cylinder (311) and a supporting rod (312), one end of the supporting rod (312) is fixedly connected with the bottom of the car (1), the cylinder (311) is fixedly connected with the other end of the supporting rod (312), the round rod (310) is arranged in the cylinder (311) in a penetrating mode and in sliding fit with the cylinder (311), the convex block (309) is fixedly arranged on the bridge plate (307), and one end of the round rod (310) is connected with the convex block (309).

3. A safety construction elevator according to claim 1, characterized in that: hold in palm holding mechanism (3) and still include montant (301), slide bar (303) and extension board (306), be equipped with spout (304) on knee lever (305) slide bar (303) pass through spout (304) with knee lever (305) sliding fit, montant (301) both ends respectively with car door (2) with slide bar (303) are connected, knee lever (305) with bridge plate (307) pass through extension board (306) fixed connection, bridge plate (307) surface is equipped with bead (308), is used for the reinforcing the contact at the position is predetermine to bridge plate (307) and floor.

4. A safety construction elevator according to claim 1, characterized in that: the elevator car (1) is also provided with a blocking mechanism (4) for cushioning a gap between the elevator car (1) and a floor plate.

5. A safety construction elevator according to claim 4, characterized in that the blocking mechanism (4) comprises a mounting plate (401), a rotating rod (402), a holding bar (403), a latch (405), a gear (406), a rack (407), a traction assembly; one side of the mounting plate (401) is fixedly connected with the side wall of the car (1), the rotating rod (402) is rotatably arranged on the other side of the mounting plate (401), the bearing strip (403) is arranged on the rotating rod (402) and used for cushioning a gap between the car (1) and a floor plate, the fixture block (405) is arranged on the mounting plate (401) and used for being abutted against the bearing strip (403) to limit the angle of the rotating rod (402), and the gear (406) is arranged on a rotating shaft of the rotating rod (402) and used for driving the rotating rod (402) to rotate; the rack (407) is arranged on the mounting plate (401) in a sliding mode, is meshed with the gear (406) and is used for driving the gear (406) to rotate, and the dragging component is connected with the rack (407) and is used for dragging the rack (407) to move.

6. A safety construction elevator according to claim 5, characterized in that the traction assembly comprises a traction rope connected to the knee lever (305) by means of a set of guide pulleys for bringing the blocking means (4) into linkage by means of the knee lever (305).

7. A safety construction elevator according to claim 5, characterized in that the traction assembly comprises a telescopic motor (409) connected to the gear rack (407).

8. A safety construction elevator according to claim 7, characterized in that the car (1) is provided with a recess (408), the telescopic motor (409) is arranged in the recess (408), and the rack (407) is in sliding fit with the recess (408).

9. A safety construction elevator according to claim 5, characterized in that the support strip (403) is provided with a light-reflecting strip (404).

10. A safety-construction elevator according to claim 5, characterized in that the car door (2) is of a split construction and the blocking means (4) are two, one on each side of the car (1).