CN108840200B

CN108840200B - Anti-falling device for elevator in construction site

Info

Publication number: CN108840200B
Application number: CN201811060948.0A
Authority: CN
Inventors: 李田
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-09-12
Filing date: 2018-09-12
Publication date: 2020-03-17
Anticipated expiration: 2038-09-12
Also published as: CN108840200A

Abstract

The invention discloses a building site elevator anti-falling device, which comprises two base plates, wherein the two base plates are arranged in parallel, an elevator is arranged between the two base plates, two limit rail bars are fixedly arranged on two side edges of the elevator, the two limit rail bars positioned on the same side edge of the elevator are in axisymmetric distribution relative to the longitudinal center line of the elevator where the two limit rail bars are positioned, a fixed plate and a movable plate are arranged in front of the two limit rail bars, the movable plate is positioned below the fixed plate, the upper end of the movable plate is fixedly connected with the lower end of the fixed plate through a spring rod, the middle parts of the opposite sides of the two limit rail bars are respectively provided with a sliding groove, the two sides of the movable plate are respectively and fixedly connected with a sliding block, the thickness of the sliding block is equal to the, the falling prevention of the falling elevator is realized, and the inestimable loss caused by overlarge gravitational potential energy is avoided.

Description

Anti-falling device for elevator in construction site

Technical Field

The invention belongs to the technical field of protective equipment of construction sites, and particularly relates to an anti-falling device of an elevator of a construction site.

Background

The traditional anti-falling device for the elevator in the building site is generally characterized in that a damping buffer device is installed on a bottom plate of the elevator, when the elevator falls down to contact with the ground, the impact of the reaction force from the ground is reduced, and therefore the anti-falling effect is achieved, although the damping device is simple in construction and convenient to install and detach, the anti-falling performance is poor, particularly when the floor is high, the damage of huge gravitational potential energy to the elevator cannot be estimated, and therefore the anti-falling device for the elevator in the building site with high anti-falling performance needs to be designed.

The invention content is as follows:

the invention aims to solve the problems and provide the anti-falling device for the elevator in the construction site, which solves the problem of poor anti-falling performance of the existing anti-falling device for the elevator in the construction site.

In order to solve the above problems, the present invention provides a technical solution: the anti-falling device for the elevator in the building site comprises base plates, wherein two base plates are arranged on the base plates, the two base plates are arranged side by side, an elevator is arranged between the two base plates, two limit rails are fixedly arranged on two side edges of the elevator, the two limit rails on the same side edge of the elevator are symmetrically distributed around the longitudinal center line of the elevator where the two limit rails are arranged, a fixed plate and a movable plate are arranged in front of the two limit rails, the movable plate is arranged below the fixed plate, the upper end of the movable plate is fixedly connected with the lower end of the fixed plate through a spring rod, the middle parts of the opposite sides of the two limit rails are respectively provided with a sliding groove, two sides of the movable plate are respectively and fixedly connected with a sliding block, the thickness of each sliding block is equal to the groove width of the sliding groove, the two supporting plates are fixedly mounted at two side edges of the lower end of the corresponding base plate respectively, a sliding cavity is fixedly mounted at the upper end of the base plate, the sliding cavity is fixedly mounted at the end part of the two base plates close to the elevator, sliding grooves are formed in the left side and the right side of the sliding cavity in a penetrating mode, an extruding plate is arranged on one side of the sliding cavity, and the extruding plate and the corresponding sliding grooves are designed in a matching mode.

Preferably, a side plate is arranged on one side of the sliding groove, the extrusion plate penetrates through the sliding groove and is fixedly connected with the bottom of one side of the corresponding side plate, two sliding rails are fixedly arranged at the upper ends of the two base plates, sliding parts are fixedly arranged at the two end parts of the lower ends of the two side plates, the width of each sliding part is the same as that of each sliding rail, each sliding part slides on each sliding rail, a driving box is fixedly arranged on one side of each of the two side plates, the driving box is fixedly connected with the upper end surface of the corresponding base plate through a fixing seat, three positioning holes are formed in the upper end surface and the lower end surface of each of the two extrusion plates in a penetrating manner and are distributed at equal intervals, three positioning columns are fixedly arranged at the lower ends of the two movable plates, the outer diameters of the three positioning columns are equal to the inner, the motor is characterized in that a motor shell is fixedly mounted at the upper end of the bottom plate, a worm gear shell is arranged on one side of the motor shell, a motor mounting plate is fixedly mounted inside the motor shell, and a motor and a speed reducer are fixedly mounted at the upper end of the motor mounting plate.

Preferably, the output end of the motor is fixedly connected with the input end of the speed reducer through a driving shaft, the output end of the speed reducer is fixedly connected with a worm, a worm wheel is arranged in a worm wheel shell, the worm wheel is meshed with the worm, a lead screw is connected to the worm wheel in a threaded manner, a rotating piece is fixedly connected to one end of the lead screw, a sliding plate is arranged at one end of the lead screw, a rotating piece groove is formed in the central position of the sliding plate, which is close to one side of the lead screw, and is matched with the rotating piece, the lead screw is rotatably connected with the sliding plate through the rotating piece and the rotating piece groove, four fixing columns are fixedly mounted at the upper end of the bottom plate and divided into two groups, the two groups of fixing columns are arranged in parallel to each other, each group of fixing columns, the outer diameter of the fixed rod is equal to the inner diameter of the fixed rod groove, and the two sliding rods are connected with the two fixed columns in a sliding mode through the fixed rod and the fixed rod groove.

Preferably, a side plate is arranged on one side of the sliding plate, and the side plate and the sliding plate are fixedly connected through two push rods.

Preferably, the two push rods are arranged in parallel with each other, and are distributed in a line symmetry manner about the longitudinal center line of the side plate.

Preferably, the side face of the side plate connected with the two push rods is provided with a frame-shaped groove, and the frame-shaped groove and one side edge of the driving box are in adaptive design.

Preferably, the motor is electrically connected with an external computer unit.

Preferably, two ends of the slide rails are respectively and fixedly connected with one side of the slide cavity and one side of the fixed seat.

The invention has the beneficial effects that: the invention relates to a building site elevator anti-falling device which has the characteristic of good anti-falling performance, and in specific use, compared with the traditional building site elevator anti-falling device, the building site elevator anti-falling device is pushed by a worm gear screw rod, and an obstacle layer is arranged in the nearest elevator room where an elevator falls, so that the falling elevator is prevented from falling, and the inestimable loss caused by overlarge gravitational potential energy is avoided.

Description of the drawings:

for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.

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

FIG. 2 is a schematic view of a fixing plate according to the present invention;

FIG. 3 is an enlarged schematic view of structure A of the present invention;

FIG. 4 is a schematic view of the internal structure of the driving box of the present invention;

FIG. 5 is a schematic view of the internal structure of the motor housing of the present invention;

FIG. 6 is a schematic view of the internal structure of the worm gear housing of the present invention;

FIG. 7 is a schematic view of a connection structure of the rotating member according to the present invention;

fig. 8 is a schematic structural view of a side plate of the present invention.

In the figure: 1. an elevator; 2. a limit rail bar; 3. a fixing plate; 4. moving the plate; 5. a spring lever; 6. a chute; 7. a slider; 8. a substrate; 9. a support plate; 10. a slide chamber; 11. a sliding groove; 12. a pressing plate; 13. a side plate; 14. a slide rail; 15. a slider; 16. a drive box; 17. a fixed seat; 18. positioning holes; 19. a base plate; 20. a motor housing; 21. a motor mounting plate; 22. a motor; 23. a speed reducer; 24. a drive shaft; 25. a worm; 26. a worm gear housing; 27. a worm gear; 28. a screw rod; 29. a rotating member; 30. a slide plate; 31. a rotating member slot; 32. fixing a column; 33. fixing the rod; 34. a slide bar; 35. a push rod; 36. a frame-shaped groove.

The specific implementation mode is as follows:

as shown in fig. 1 to 8, the following technical solutions are adopted in the present embodiment: a building site elevator anti-falling device comprises base plates 8, wherein the base plates 8 are provided with two base plates 8, the two base plates 8 are arranged side by side, an elevator 1 is arranged between the two base plates 8, two limit rails 2 are fixedly installed on two side edges of the elevator 1, the two limit rails 2 on the same side edge of the elevator 1 are symmetrically distributed around a longitudinal central axis of the elevator 1 where the two limit rails are located, a fixed plate 3 and a movable plate 4 are arranged in front of the two limit rails 2, the movable plate 4 is located below the fixed plate 3, the upper end of the movable plate 4 is fixedly connected with the lower end of the fixed plate 3 through a spring rod 5, a sliding groove 6 is formed in the middle of one side, opposite to the two limit rails 2, sliding blocks 7 are fixedly connected to two sides of the movable plate 4, the thickness of each sliding block 7 is equal to the groove width of the sliding groove 6, and the movable plate, two equal fixed mounting of 8 lower extremes of base plates has two backup pads 9, two backup pad 9 fixed mounting respectively is in two sides departments of corresponding 8 lower extremes of base plate, two equal fixed mounting in 8 upper ends of base plate has smooth chamber 10, smooth chamber 10 fixed mounting is in the tip position that two base plates 8 are close to elevator 1, two smooth chamber 10 left and right sides all runs through and is equipped with sliding tray 11, two smooth chamber 10 one side all is equipped with stripper plate 12, stripper plate 12 and the 11 looks adaptation designs of corresponding sliding tray.

Wherein, one side of the sliding groove 11 is provided with a side plate 13, the extrusion plate 12 passes through the sliding groove 11 and is fixedly connected with the bottom of one side of the corresponding side plate 13, the upper ends of the two base plates 8 are both fixedly provided with two sliding rails 14, the two end parts of the lower ends of the two side plates 13 are both fixedly provided with a sliding part 15, the width of the sliding part 15 is the same as that of the sliding rails 14, the sliding part 15 slides on the sliding rails 14, one side of the two side plates 13 is both fixedly provided with a driving box 16, the driving box 16 is fixedly connected with the upper end surface of the corresponding base plate 8 through a fixed seat 17, the upper and lower end surfaces of the two extrusion plates 12 are provided with three positioning holes 18 in a penetrating way, the three positioning holes 18 are distributed at equal intervals, the lower ends of the two moving plates 4 are both fixedly provided with three positioning columns, the outer, a bottom plate 19 is fixedly installed in each of the two driving boxes 16, a motor housing 20 is fixedly installed at the upper end of the bottom plate 19, a worm gear housing 26 is arranged on one side of the motor housing 20, a motor mounting plate 21 is fixedly installed in the motor housing 20, a motor 22 and a speed reducer 23 are fixedly installed at the upper end of the motor mounting plate 21, the output end of the motor 22 is fixedly connected with the input end of the speed reducer 23 through a driving shaft 24, a worm 25 is fixedly connected with the output end of the speed reducer 23, a worm wheel 27 is arranged in the worm gear housing 26, the worm wheel 27 is meshed with the worm 25, a lead screw 28 is in threaded connection with the worm wheel 27, a rotating member 29 is fixedly connected with one end of the lead screw 28, a sliding plate 30 is arranged at one end of the lead screw 28, a rotating member groove 31 is formed in the, the screw 28 is rotatably connected with a sliding plate 30 through a rotating piece 29 and a rotating piece groove 31, four fixing columns 32 are fixedly mounted at the upper end of the bottom plate 19, the four fixing columns 32 are divided into two groups, the two groups of fixing columns 32 are arranged in parallel, each group of fixing columns 32 is fixedly connected with a fixing rod 33, the middle parts of the two sides of the sliding plate 30 are fixedly connected with sliding rods 34, two fixing rod grooves are formed in the two sides of each sliding rod 34 in a penetrating manner, the outer diameter of each fixing rod 33 is equal to the inner diameter of each fixing rod groove, the two sliding rods 34 are slidably connected with the two fixing columns 32 through the fixing rods 33 and the fixing rod grooves, a side plate 13 is arranged at one side of the sliding plate 30, the side plate 13 is fixedly connected with the sliding plate 30 through two pushing rods 35, the two pushing rods 35 are arranged in parallel, frame type groove 36 has been seted up on the side that curb plate 13 and two catch bars 35 are connected, frame type groove 36 and 16 side looks adaptation designs of drive box, motor 22 and external computer unit electric connection, two slide rail 14 both ends respectively with slide chamber 10 one side and fixing base 17 one side fixed connection.

The using state of the invention is as follows: the invention relates to a building site elevator anti-falling device which has the characteristic of good anti-falling performance, when an elevator falls, an external computer set sends an instruction to a motor 22 through a central control system, the motor 22 closest to the falling elevator is immediately started, the input end of a speed reducer 23 is driven to rotate through a driving shaft 24, a worm 25 is driven to rotate, a lead screw 28 is driven to rotate and stretch through a worm gear 27, the lead screw 28 drives a rotating piece 29 to rotate and stretch, a side plate 13 is driven to stretch and stretch, two extrusion plates 12 are driven to be pushed into the elevator room and stretch into the vertical track of the motion of a movable plate 4, when three positioning columns are simultaneously inserted into corresponding positioning holes 18, a spring rod 5 is forced to be compressed, at the moment, two sliding blocks 7 slide in a sliding groove 6, and finally, the elevator 1 stops falling through the blocking of the two extrusion plates.

While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.

Claims

1. The utility model provides a building site elevator anti-falling device, includes base plate (8), its characterized in that, base plate (8) are provided with two altogether, two base plate (8) set up side by side, two be equipped with elevator (1) between base plate (8), elevator (1) both sides limit equal fixed mounting has two spacing rails (2), is located two spacing rails (2) of elevator (1) same side are about the elevator (1) longitudinal center line axis symmetric distribution at both places, two be equipped with fixed plate (3) and movable plate (4) before spacing rail (2), movable plate (4) are located fixed plate (3) below, pass through spring beam (5) fixed connection between movable plate (4) upper end and fixed plate (3) lower extreme, two spout (6) have all been seted up to spacing rail (2) one side middle part in opposite directions, the two sides of the moving plate (4) are fixedly connected with sliding blocks (7), the thickness of each sliding block (7) is equal to the width of the sliding groove (6), the movable plate (4) is connected with the limiting rail bar (2) in a sliding way through a sliding groove (6) and a sliding block (7), two supporting plates (9) are fixedly arranged at the lower ends of the two base plates (8), the two supporting plates (9) are respectively and fixedly arranged at the two side edges of the lower ends of the corresponding base plates (8), sliding cavities (10) are fixedly arranged at the upper ends of the two base plates (8), the sliding cavities (10) are fixedly arranged at the end parts of the two base plates (8) close to the elevator (1), sliding grooves (11) are respectively arranged at the left side and the right side of each of the two sliding cavities (10) in a penetrating manner, extrusion plates (12) are respectively arranged at one side of each of the two sliding cavities (10), the extrusion plate (12) is designed to be matched with the corresponding sliding groove (11).

2. The anti-falling device for the elevator on the construction site according to claim 1, characterized in that: the device is characterized in that a side plate (13) is arranged on one side of the sliding groove (11), the extrusion plates (12) penetrate through the sliding groove (11) and are fixedly connected with the bottom of one side of the corresponding side plate (13), two sliding rails (14) are fixedly arranged at the upper ends of the two base plates (8), sliding parts (15) are fixedly arranged at the two end parts of the lower ends of the two side plates (13), the width of each sliding part (15) is equal to that of each sliding rail (14), each sliding part (15) slides on each sliding rail (14), a driving box (16) is fixedly arranged on one side of each side plate (13), each driving box (16) is fixedly connected with the corresponding upper end face of each base plate (8) through a fixing seat (17), three positioning holes (18) are formed in the upper end face and the lower end face of each extrusion plate (12) in a penetrating mode, the three positioning holes (18) are distributed at equal, the external diameter of three reference column equals the internal diameter that corresponds locating hole (18), and is three the reference column inserts respectively in corresponding locating hole (18), two equal fixed mounting has bottom plate (19) in drive case (16), bottom plate (19) upper end fixed mounting has motor housing (20), motor housing (20) one side is equipped with worm gear machine shell (26), motor housing (20) inside fixed mounting has motor mounting panel (21), motor mounting panel (21) upper end fixed mounting has motor (22) and speed reducer (23).

3. The anti-falling device for the elevator on the construction site, according to claim 2, is characterized in that: the output end of the motor (22) is fixedly connected with the input end of the speed reducer (23) through a driving shaft (24), the output end of the speed reducer (23) is fixedly connected with a worm (25), a worm wheel (27) is arranged inside a worm wheel housing (26), the worm wheel (27) is meshed with the worm (25) and connected with a lead screw (28), one end of the lead screw (28) is fixedly connected with a rotating piece (29), one end of the lead screw (28) is provided with a sliding plate (30), a rotating piece groove (31) is formed in the central position of the sliding plate (30) close to one side of the lead screw (28), the rotating piece groove (31) and the rotating piece (29) are in adaptive design, the lead screw (28) is rotatably connected with the sliding plate (30) through the rotating piece (29) and the rotating piece groove (31), and four fixing columns (32) are fixedly mounted at the, four fixed column (32) divide into two sets ofly, two sets of mutual parallel arrangement between fixed column (32), every group through dead lever (33) fixed connection between fixed column (32), slide (30) both sides middle part equal fixedly connected with slide bar (34), two slide bar (34) both sides are run through and are seted up the fixed rod groove, the external diameter of dead lever (33) equals the internal diameter in fixed rod groove, two slide bar (34) are through dead lever (33) and fixed rod groove and two fixed column (32) sliding connection.

4. The anti-falling device for the elevator on the construction site, according to claim 3, is characterized in that: a side plate (13) is arranged on one side of the sliding plate (30), and the side plate (13) is fixedly connected with the sliding plate (30) through two push rods (35).

5. The anti-falling device for the elevator of the construction site according to claim 4, characterized in that: the two push rods (35) are arranged in parallel, and the two push rods (35) are distributed in a line symmetry mode around the longitudinal center line of the side plate (13).

6. The anti-falling device for the elevator of the construction site according to claim 4, characterized in that: frame type groove (36) have been seted up on curb plate (13) and the side of two catch bars (35) connection, frame type groove (36) and drive case (16) one side looks adaptation design.

7. The anti-falling device for the elevator on the construction site, according to claim 2, is characterized in that: the motor (22) is electrically connected with an external computer unit.

8. The anti-falling device for the elevator on the construction site, according to claim 2, is characterized in that: two ends of the sliding rail (14) are respectively fixedly connected with one side of the sliding cavity (10) and one side of the fixed seat (17).