CN219525985U

CN219525985U - Anti-falling mechanism of construction elevator

Info

Publication number: CN219525985U
Application number: CN202320708795.6U
Authority: CN
Inventors: 王康
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-04-03
Filing date: 2023-04-03
Publication date: 2023-08-15
Anticipated expiration: 2033-04-03

Abstract

The utility model discloses a falling prevention mechanism of a construction elevator, which comprises a base, a bracket arranged at the top of the base and a car sleeved on one side of the bracket, wherein the top of the car is fixedly connected with a mounting plate, and one side of the mounting plate is provided with a power device for driving the car to lift; one side of mounting panel runs through the slip and is equipped with two sets of inserted bars from top to bottom, one side fixedly connected with limiting plate of support, inserted bar and limiting plate cooperation use can prevent that the car from falling, drive mechanism sets up at the top of mounting panel and is used for driving two sets of inserted bars and removes in turn. According to the utility model, the inserted bars can move from the bottom of the limiting plate to the top of the limiting plate through the arrangement of the guide plates and the arc edges, and the cage can be limited through the interference of the inserted bars and the limiting plate when falling, so that the falling position is controlled, and the moving motor can drive the upper and lower groups of inserted bars to sequentially and alternately move, so that the upper and lower groups of inserted bars and the limiting plate are prevented from being blocked when falling.

Description

Anti-falling mechanism of construction elevator

Technical Field

The utility model relates to the technical field of elevator safety, in particular to a falling prevention mechanism of a construction elevator.

Background

The construction elevator is usually called as a construction elevator, but the construction elevator comprises a wider definition, a construction platform also belongs to a construction elevator series, and the simple construction elevator consists of a lift car, a driving mechanism, a standard knot, a wall attached part, a chassis, a fence, an electric system and the like, and is a man-carrying and cargo-carrying construction machine frequently used in a building.

Through searching, the utility model with the bulletin number of CN215047814U discloses an emergency anti-falling safety device for a building construction elevator, the device detects the falling speed of a lift car through a speed sensor, when the falling speed exceeds the normal falling speed, the speed sensor can enable a switch controller to control a motor to drive a clamping plate to be in contact with a wear-resisting pad and a guide rod, so that the friction resistance between the clamping plate and the guide rod is increased, the emergency anti-falling effect is further achieved on the building construction elevator, and meanwhile, when the lift car hovers, a supporting plate moves to an entrance in a building through sliding of a sliding block in a sliding groove, so that constructors can enter the building more conveniently and safely, and the safety anti-falling safety device is convenient to use.

But this device also has the following disadvantages when in use: when the elevator anti-falling mechanism is used, the clamping plate is driven to rub with the guide rod through the screw rod to fix the elevator car, but the anti-falling mechanism can only slow down the falling speed when being used under overweight conditions, cannot control the falling position and is inconvenient for later maintenance, so that the anti-falling mechanism of the elevator is very necessary.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a falling prevention mechanism of a construction elevator.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the anti-falling mechanism of the construction elevator comprises a base, a bracket arranged at the top of the base and a car sleeved on one side of the bracket, wherein the top of the car is fixedly connected with a mounting plate, and one side of the mounting plate is provided with a power device for driving the car to lift;

an upper inserting rod and a lower inserting rod are arranged on one side of the mounting plate in a penetrating and sliding manner, a limiting plate is fixedly connected to one side of the support, and the inserting rods and the limiting plate are matched for use so as to prevent the lift car from falling;

the transmission mechanism is arranged at the top of the mounting plate and used for driving the two groups of inserted bars to alternately move.

As a still further scheme of the utility model, the transmission mechanism comprises a motor arranged above the mounting plate, the output end of the motor is fixedly connected with a rotating disc, one side of each group of inserted bars is provided with the same connecting plate, one side of the connecting plate positioned below is fixedly connected with a fixed block, and one side of the fixed block and one side of the rotating disc are rotationally connected with the same connecting rod.

As a still further scheme of the utility model, one side of the mounting plate is fixedly connected with a second fixing plate, one side of the second fixing plate is rotatably connected with a rotating plate, and two ends of the rotating plate are respectively and rotatably connected with corresponding connecting plates.

As a still further proposal of the utility model, one side of the rotating plate is provided with two kidney-shaped holes, the inner wall of each kidney-shaped hole is provided with a pin, and the pins are respectively and fixedly connected with the corresponding connecting plates.

As a still further scheme of the utility model, one end of the inserted link, which is close to the connecting plate, is provided with a sliding hole, the inner wall of the sliding hole is provided with a sliding block in a sliding way, one end of the sliding block, which is close to the connecting plate, is fixedly connected with a sliding link, and the sliding link is fixedly connected with the connecting plate.

As a still further proposal of the utility model, the outer wall of the sliding rod is sleeved with a spring, and two ends of the spring are respectively fixedly connected with one side of the sliding hole and one side of the sliding block, which are close to each other.

As a still further proposal of the utility model, the bottom of the limiting plate is fixedly connected with a guide plate, and one side of the inserted link, which is close to the guide plate, is provided with an arc edge.

As a still further scheme of the utility model, one side of the mounting plate is fixedly connected with two first fixing plates, the connecting plates are respectively and slidably connected to the tops of the corresponding first fixing plates, and the motor is fixedly connected to the tops of the first fixing plates below.

The beneficial effects of the utility model are as follows:

1. can contradict the inserted bar through setting up on deflector and arc limit, make the inserted bar can remove, when the inserted bar breaks away from deflector and limiting plate and can reset under the effort of spring, make inserted bar and crossing fork of limiting plate, can fix a position when falling the car.

2. The motor can drive the lower connecting plate to reciprocate, the lower connecting plate can drive the upper connecting plate to reciprocate through the rotating plate, the upper connecting plate and the lower connecting plate can alternately move, and two groups of inserting rods can conveniently pass through the limiting plate in sequence.

Can make the inserted bar remove the top to the limiting plate from the bottom of limiting plate through setting up on deflector and arc limit, can carry out spacingly to the car through inserted bar and limiting plate conflict when taking place to fall to the control position of falling, and the mobile motor can drive two sets of inserted bars and alternately remove in proper order from top to bottom, take place the card dead with the limiting plate when preventing to descend.

Drawings

Fig. 1 is a schematic three-dimensional structure of a fall prevention mechanism of a construction elevator according to the present utility model;

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

fig. 3 is a schematic diagram of a transmission mechanism of a falling prevention mechanism of a construction elevator according to the present utility model;

fig. 4 is a schematic cross-sectional view of a plunger of a fall protection mechanism of a construction elevator according to the present utility model.

In the figure: 1. a base; 2. a bracket; 3. a car; 4. a mounting plate; 5. a power device; 6. a limiting plate; 7. a guide plate; 8. a rod; 9. a slide bar; 10. a connecting plate; 11. a first fixing plate; 12. a second fixing plate; 13. a rotating plate; 14. waist-shaped holes; 15. a pin; 16. a fixed block; 17. a motor; 18. a rotating disc; 19. a connecting rod; 20. a sliding hole; 21. a sliding block; 22. a spring; 23. arc-shaped edges.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. It should be noted that the terms "mounted," "connected," and "disposed" are to be construed broadly, unless explicitly stated or defined otherwise, and that the particular meaning of such terms in this patent will be understood by those of ordinary skill in the art, as appropriate.

Referring to fig. 1-4, a falling prevention mechanism of a construction elevator comprises a base 1, a bracket 2 arranged at the top of the base 1 and a car 3 sleeved on one side of the bracket 2, wherein the top of the car 3 is fixedly connected with a mounting plate 4, and one side of the mounting plate 4 is provided with a power device 5 for driving the car 3 to lift;

one side of the mounting plate 4 is provided with an upper inserting rod and a lower inserting rod 8 in a penetrating and sliding manner, one side of the bracket 2 is fixedly connected with a limiting plate 6, and the inserting rods 8 and the limiting plate 6 are matched for use so as to prevent the lift car 3 from falling;

the drive mechanism is arranged at the top of the mounting plate 4 and used for driving the two groups of inserting rods 8 to alternately move, the lift car 3 can be abutted against the limiting plate 6 when falling through the sliding arrangement of the inserting rods 8, the lift car 3 is limited, the two groups of inserting rods 8 can be driven to alternately move through the setting of the drive mechanism, the two groups of inserting rods 8 can conveniently pass through the limiting plate 6, mutual abutting can not occur between the two groups of inserting rods 8 and the limiting plate 6, and the power device 5 is the same as a driving device in CN 215047814U.

In the utility model, the transmission mechanism comprises a motor 17 arranged above a mounting plate 4, the output end of the motor 17 is fixedly connected with a rotating disc 18, one side of each group of inserted rods 8 is provided with the same connecting plate 10, one side of the connecting plate 10 below is fixedly connected with a fixed block 16, one side of the fixed block 16 and one side of the rotating disc 18 are rotationally connected with the same connecting rod 19, the rotating disc 18 can be driven to rotate by starting the motor 17, the connecting rod 19 can be driven to move by rotating the rotating disc 18, and the connecting rod 19 can drive the connecting plate 10 below to reciprocate, so that the lower inserted rods 8 can be driven to reciprocate, and the rotating points of the connecting rod 19 and the rotating disc 18 are misplaced with the axis of the output shaft of the motor 17.

In the utility model, one side of the mounting plate 4 is fixedly connected with a second fixing plate 12, one side of the second fixing plate 12 is rotatably connected with a rotating plate 13, two ends of the rotating plate 13 are respectively and rotatably connected with corresponding connecting plates 10, and when the lower connecting plate 10 moves, the upper connecting plate 10 can be driven to move reversely through the rotating plate 13, so that the upper inserting rods 8 and the lower inserting rods 8 can be driven to alternately reciprocate.

In particular, two kidney-shaped holes 14 are formed in one side of the rotating plate 13, pin columns 15 are arranged on the inner walls of the kidney-shaped holes 14, the pin columns 15 are fixedly connected with corresponding connecting plates 10 respectively, and the rotating plate 13 and the connecting plates 10 are prevented from being blocked mutually through setting of the kidney-shaped holes 14 and the pin columns 15, so that the connecting plates 10 can be driven to reciprocate conveniently.

In particular, the end of the inserted link 8 near the connecting plate 10 is provided with a sliding hole 20, the inner wall of the sliding hole 20 is slidably provided with a sliding block 21, one end of the sliding block 21 near the connecting plate 10 is fixedly connected with a sliding link 9, the sliding link 9 is fixedly connected with the connecting plate 10, and when the connecting plate 10 is not moved through the arrangement of the sliding hole 20 and the sliding block 21, the inserted link 8 can automatically move under the acting force of the guide plate 7, so that the motor 17 is not required to be started when the inserted link ascends.

In particular, the outer wall cover of slide bar 9 is equipped with spring 22, and the both ends of spring 22 are close to one side fixed connection each other with slide hole 20 and sliding block 21 respectively, and when setting up through spring 22 can make inserted bar 8 keep away from deflector 7 and limiting plate 6, can automatic re-setting, can fix a position car 3 through inserted bar 8 and limiting plate 6 when falling.

Especially, the bottom fixedly connected with deflector 7 of limiting plate 6, the inserted bar 8 is close to one side of deflector 7 and is equipped with arc limit 23, through the setting of arc limit 23, can make inserted bar 8 more smooth when contacting with deflector 7.

In particular, two first fixing plates 11 are fixedly connected to one side of the mounting plate 4, the connecting plates 10 are respectively and slidably connected to the tops of the corresponding first fixing plates 11, the motor 17 is fixedly connected to the top of the first fixing plate 11 below, the connecting plates 10 can be supported through setting of the first fixing plates 11, and the connecting plates 10 and the inserting rods 8 can slide in parallel to reduce friction force between the inserting rods 8 and the mounting plate 4.

Working principle: when the device is used, a power supply is connected to the device, the lift of the car 3 is controlled by the starting power device 5, the rotating disc 18 is driven to lift through the motor 17 when the car 3 lifts, the lower connecting plate 10 can be driven to reciprocate through the connecting rod 19, the lower connecting plate 10 can drive the upper connecting plate 10 to reciprocate through the rotating plate 13 until the lower connecting plate 10 moves to the right through the sliding block 21 and the spring 22 until the lower connecting plate 8 moves to the top of the limiting plate 6, the inserting rod 8 can reset under the acting force of the spring 22 at the moment, one side of the limiting plate 6 is protruded by the inserting rod 8, the motor 17 rotates when the falling occurs to enable the inserting rod 8 to be contacted with the limiting plate 6 so as to support the car 3, the motor 17 is started while the car 3 is controlled to descend, the motor 17 drives the rotating disc 18 to rotate, the lower connecting plate 10 can drive the lower connecting plate 10 to reciprocate through the rotating plate 13, the lower connecting plate 8 is driven to move to the right through the sliding block 21 and the spring 22, the lower connecting plate 8 is driven to keep away from the limiting plate 6 to the left, and the lower connecting plate 8 can move to the left through the two connecting plates 8 alternately and the upper connecting plates 8 can move to the upper connecting plate 8 to the left in turn.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The anti-falling mechanism of the construction elevator comprises a base (1), a support (2) arranged at the top of the base (1) and a car (3) sleeved on one side of the support (2), and is characterized in that the top of the car (3) is fixedly connected with a mounting plate (4), and one side of the mounting plate (4) is provided with a power device (5) for driving the car (3) to lift;

an upper inserting rod and a lower inserting rod (8) are arranged on one side of the mounting plate (4) in a penetrating and sliding manner, a limiting plate (6) is fixedly connected to one side of the support (2), and the inserting rods (8) and the limiting plate (6) are matched for use so as to prevent the cage (3) from falling;

the transmission mechanism is arranged at the top of the mounting plate (4) and used for driving the two groups of inserted bars (8) to alternately move.

2. The construction elevator anti-falling mechanism according to claim 1, wherein the transmission mechanism comprises a motor (17) arranged above the mounting plate (4), the output end of the motor (17) is fixedly connected with a rotating disc (18), one side of each group of inserted bars (8) is provided with the same connecting plate (10), one side of the connecting plate (10) positioned below is fixedly connected with a fixed block (16), and one side of the fixed block (16) and one side of the rotating disc (18) are rotationally connected with the same connecting rod (19).

3. The construction elevator anti-falling mechanism according to claim 2, wherein a second fixing plate (12) is fixedly connected to one side of the mounting plate (4), a rotating plate (13) is rotatably connected to one side of the second fixing plate (12), and two ends of the rotating plate (13) are rotatably connected with corresponding connecting plates (10) respectively.

4. A construction elevator anti-falling mechanism according to claim 3, wherein two kidney-shaped holes (14) are formed in one side of the rotating plate (13), pin columns (15) are arranged on the inner walls of the kidney-shaped holes (14), and the pin columns (15) are fixedly connected with corresponding connecting plates (10) respectively.

5. The construction elevator anti-falling mechanism according to claim 2, wherein a sliding hole (20) is formed in one end, close to the connecting plate (10), of the inserted link (8), a sliding block (21) is arranged on the inner wall of the sliding hole (20) in a sliding mode, a sliding link (9) is fixedly connected to one end, close to the connecting plate (10), of the sliding block (21), and the sliding link (9) is fixedly connected with the connecting plate (10).

6. The falling prevention mechanism of the construction elevator according to claim 5, wherein the outer wall of the sliding rod (9) is sleeved with a spring (22), and two ends of the spring (22) are fixedly connected with one side, close to each other, of the sliding hole (20) and the sliding block (21).

7. The falling prevention mechanism of construction elevator according to any one of claims 1-6, wherein the bottom of the limiting plate (6) is fixedly connected with a guide plate (7), and one side, close to the guide plate (7), of the two inserted bars (8) is provided with an arc-shaped edge (23).

8. The construction elevator anti-falling mechanism according to claim 2, wherein one side of the mounting plate (4) is fixedly connected with two first fixing plates (11), the connecting plates (10) are respectively and slidably connected to the tops of the corresponding first fixing plates (11), and the motor (17) is fixedly connected to the top of the lower first fixing plate (11).