CN213059807U - Anti-falling device for construction elevator - Google Patents

Abstract

A construction elevator anti-falling device comprises an elevator shaft, an elevator main body and a power umbrella, wherein a plurality of anti-falling hooks are arranged at the left end and the right end of the inner wall of the elevator shaft at equal intervals, anti-falling clamping grooves are formed in the left end and the right end of the inner wall of the elevator shaft and close to a floor outlet, a first placing groove is formed in the lower side in the elevator main body, second placing grooves are formed in the lower sides of the left end and the right end of the elevator main body, the opposite ends of the second placing grooves are communicated with the first placing grooves, anti-falling fixture blocks are connected in the second placing grooves in a sliding mode, and pull rods are; this device prevents weighing down the draw-in groove and prevents weighing down fixture block safety joint when opening the lift-cabin door, can greatly avoid the lift-cabin door that appears in reality often to take place the problem that falls when opening, and the security is better, and can not receive the external influence, cup joints through preventing weighing down the link and prevents weighing down the couple and prevent falling the operation, and the reliability is high.

Description

Anti-falling device for construction elevator

Technical Field

The utility model relates to an elevator accessory equipment technical field especially relates to a construction elevator anti-falling device.

Background

An elevator is a permanent transport device serving a number of specific floors in a building, the cars of which travel in at least two rigid tracks perpendicular to the horizontal or inclined at an angle of less than 15 ° to the vertical. The vertical lift elevator has a car, which is the most commonly used elevator in construction and home use. The size and the structural form of the car are convenient for passengers to access or load and unload goods. Conventionally, the elevator is used as a general term of vertical transportation means in a building regardless of the driving mode, and the use frequency and the load capacity of the elevator are high in the decoration construction process.

At present, the problem that the elevator door is opened by half and suddenly falls frequently occurs in the existing construction and life, the safety risk is high, meanwhile, partial elevator falls due to failure of a host machine, a sensor (a speed or acceleration sensor) and the like, for example, the host machine, the speed or acceleration sensor fails, and a falling prevention device of the elevator door depends on electronic equipment, so that certain safety risk exists, and the reliability is poor. In order to solve the problem, the application provides a construction elevator anti-falling device.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem that exists among the background art, the utility model provides a construction elevator anti-falling device, this device prevent weighing down the draw-in groove and prevent weighing down fixture block safety joint when opening the lift-cabin door, can greatly avoid the lift-cabin door that appears in reality when opening the problem that takes place to fall, and the security is better, and can not receive the external influence, cup joints through preventing weighing down the link and prevents weighing down the couple and prevent falling the operation, and the reliability is high.

(II) technical scheme

In order to solve the problems, the utility model provides a falling-proof device for a construction elevator, which comprises an elevator shaft, elevator main part and power umbrella, elevartor shaft inner wall left end and right-hand member equidistant are provided with a plurality of couples of preventing weighing down, elevartor shaft inner wall left end and right-hand member and all be provided with near the floor exit and prevent weighing down the draw-in groove, the inside downside of elevator main part is provided with first resettlement groove, elevator main part left end and right-hand member downside all are provided with the second resettlement groove, the relative one end in second resettlement groove all feeds through first resettlement groove, the equal sliding connection in second resettlement groove has prevents weighing down the fixture block, it all is provided with the pull pole to prevent weighing down the relative one end of fixture block, elevator main part left end and right-hand member downside edge all are provided with the third resettlement groove, the equal rotation in the third resettlement groove is connected with the rotation axis.

Preferably, the relative one end of pull pole all runs through the second and places the groove and extend to first arrangement inslot, and the relative one end of pull pole all is connected with trapezoidal slider, and the relative one side of pull pole all overlaps and is equipped with reset spring, and trapezoidal slider is all connected to the relative one end of reset spring, and reset spring all connects the elevator main part from one end.

Preferably, the rear end of the inner part of the first placement groove is provided with a telescopic rod, the front end of the telescopic rod is provided with a conical ejection block, and the left side and the right side of the conical ejection block are connected with the trapezoidal sliding block in a sliding mode.

Preferably, the middle part of the rotating shaft is welded with an anti-falling hanging ring, and the anti-falling hanging ring is matched with the anti-falling hook in type.

Preferably, the left side and the right side of the power umbrella are both connected with the lower end of the conduction rod through nylon ropes.

The above technical scheme of the utility model has following profitable technological effect: when the elevator reaches a floor and an elevator door is opened, the telescopic rod drives the conical jacking block to move forwards so as to drive the trapezoidal sliding block to move away from each other in the left-right direction, the anti-falling clamping block is driven by the pull rod to be clamped into the anti-falling clamping groove, when the elevator door is closed, the telescopic rod retracts in the same way, and the anti-falling clamping block is driven by the reset spring to reset, so that the problem of falling when the elevator door is opened, which often occurs in reality, can be greatly avoided, meanwhile, when power is cut off and electronic equipment such as a host or a sensor fails, the elevator body drops rapidly from a free falling body, the power umbrella is driven to move upwards at high wind speed, the rotating shaft is driven to rotate by the conducting rod, the anti-falling hanging ring is driven to rotate out of the third accommodating groove to sleeve the anti-falling hook, so that the anti-falling is avoided, the anti-falling is not influenced by the, the device greatly improves the safety of elevator operation under the condition of not influencing the main structure of the elevator.

Drawings

Fig. 1 is the utility model provides a construction elevator anti-falling device's schematic structure diagram.

Fig. 2 is the utility model provides a overlook connection schematic diagram of toper kicking block among construction elevator anti-falling device.

Fig. 3 is an enlarged view of a in the anti-falling device of the construction elevator.

Reference numerals: 1. an elevator shaft; 2. the anti-falling hook is arranged on the hook; 3. an anti-falling clamping groove; 4. an elevator main body; 5. a first placement groove; 6. a telescopic rod; 7. a conical top block; 8. a second placement groove; 9. an anti-falling clamping block; 10. a pull rod; 11. a trapezoidal slider; 12. a return spring; 13. a third placement groove; 14. a rotating shaft; 15. an anti-falling suspension loop; 16. a conductive rod; 17. a tension spring; 18. provided is a power umbrella.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in figures 1-3, the utility model provides a construction elevator anti-falling device, which comprises an elevator shaft 1, an elevator main body 4 and a power umbrella 18, wherein a plurality of anti-falling hooks 2 are arranged at equal intervals on the left end and the right end of the inner wall of the elevator shaft 1, anti-falling clamping grooves 3 are arranged on the left end and the right end of the inner wall of the elevator shaft 1 and near the floor exit, a first placing groove 5 is arranged on the lower side inside the elevator main body 4, a second placing groove 8 is arranged on the lower side of the left end and the right end of the elevator main body 4, one opposite end of the second placing groove 8 is communicated with the first placing groove 5, an anti-falling clamping block 9 is connected inside the second placing groove 8 in a sliding manner, the anti-falling clamping block 9 and the anti-falling clamping groove 3 are clamped when the elevator is opened, the problem that the elevator main body falls when the door is opened can be effectively avoided, a drawing rod 10 is arranged on one opposite end of, the opposite ends of the drawing rods 10 are connected with trapezoidal sliding blocks 11, so that the operation is simple and convenient, and the failure rate is low;

the rear end in the first placing groove 5 is provided with a telescopic rod 6, the front end of the telescopic rod 6 is provided with a conical top block 7, the left side and the right side of the conical top block 7 are both connected with a trapezoidal sliding block 11 in a sliding way, one side opposite to a pull rod 10 is both sleeved with a reset spring 12, one end opposite to the reset spring 12 is both connected with the trapezoidal sliding block 11, one end of the reset spring 12 away from the other end is both connected with an elevator main body 4, the lower side edges of the left end and the right end of the elevator main body 4 are both provided with a third placing groove 13, the third placing groove 13 is both connected with a rotating shaft 14 in a rotating way, the middle part of the rotating shaft 14 is welded with an anti-falling hanging ring 15, the anti-falling hanging ring 15 is matched with the type of an anti-falling hook 2, the elevator main body 4 is rapidly controlled to stop falling through the sleeving of the, the transmission rod 16 can conveniently and smoothly rotate, the upper side of one end, away from the transmission rod 16, of the transmission rod 16 is connected with a tension spring 17, the other end of the tension spring 17 is connected with the elevator main body 4, and the left side and the right side of a power umbrella 18 are connected with the lower end of the transmission rod 16 through nylon ropes;

when the elevator door opening device works, when the elevator main body 4 reaches a floor and an elevator door is opened, the telescopic rod 6 drives the conical top block 7 to move forwards, so that the trapezoidal sliding block 11 is driven to move away from each other in the left-right direction, the anti-falling clamping block 9 is driven to be clamped into the anti-falling clamping groove 3 through the pull rod 10, when the elevator door is closed, the telescopic rod 6 retracts in the same way, and the anti-falling clamping block 9 is driven to reset by the reset spring 12, so that the problem that the elevator door frequently falls when opened in reality can be greatly solved, and the safety;

meanwhile, when the power is off, and electronic equipment such as a host or a sensor fails, the elevator body 4 falls down rapidly in a free falling mode, the high wind speed drives the power umbrella 18 to move upwards, the rotating shaft 14 is driven to rotate through the conducting rod 16, then the anti-falling hanging ring 15 is driven to rotate and move out of the third placement groove 13, the anti-falling hook 2 is sleeved, falling is avoided, the elevator is not affected by the outside, the reliability is high, the tension spring 17 applies certain tension force to the conducting rod 16, the conducting rod 16 is prevented from rotating greatly during normal downward movement of the elevator body 4, and the safety of elevator operation is greatly improved under the condition that the structure of the elevator body 4 is not affected.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims (5)

1. A construction elevator anti-falling device is characterized by comprising an elevator shaft (1), an elevator main body (4) and a power umbrella (18); the elevator shaft (1) is provided with a plurality of anti-falling hooks (2) at the left end and the right end of the inner wall at equal intervals, anti-falling clamping grooves (3) are arranged at the left end and the right end of the inner wall of the elevator shaft (1) and close to a floor exit, a first placing groove (5) is arranged at the lower side in the elevator body (4), second placing grooves (8) are arranged at the lower sides of the left end and the right end of the elevator body (4), one ends of the second placing grooves (8) opposite to each other are communicated with the first placing groove (5), anti-falling clamping blocks (9) are connected in the second placing groove (8) in a sliding mode, pull rods (10) are arranged at one ends of the anti-falling clamping blocks (9) opposite to each other, third placing grooves (13) are arranged at the lower side edges of the left end and the right end of the elevator body (4), rotating shafts (14) are rotatably connected in the third placing grooves (13), the front portions and the rear portions of, the other end of the tension spring (17) is connected with the elevator main body (4).

2. The fall preventing device for the construction elevator, according to claim 1, characterized in that the opposite ends of the drawing rod (10) extend into the first accommodating groove (5) through the second accommodating groove (8), the opposite ends of the drawing rod (10) are connected with trapezoidal sliding blocks (11), the opposite sides of the drawing rod (10) are sleeved with return springs (12), the opposite ends of the return springs (12) are connected with the trapezoidal sliding blocks (11), and the separated ends of the return springs (12) are connected with the elevator body (4).

3. The fall preventing device for construction elevators as claimed in claim 1, wherein the rear end inside the first seating groove (5) is provided with a telescopic rod (6), the front end of the telescopic rod (6) is provided with a conical top block (7), and the left side and the right side of the conical top block (7) are slidably connected with a trapezoidal sliding block (11).

4. The fall preventing device for construction elevators as claimed in claim 1, wherein the fall preventing suspension loop (15) is welded in the middle of the rotating shaft (14), and the fall preventing suspension loop (15) is matched with the fall preventing hook (2) in type.

5. The fall arrest device for construction elevators according to claim 1, characterized in that the power parachute (18) is connected at both left and right sides to the lower end of the conduction rod (16) by a nylon rope.

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