CN219009643U

CN219009643U - Safety device for limiting vehicle in external elevator car for construction

Info

Publication number: CN219009643U
Application number: CN202223510006.2U
Authority: CN
Inventors: 刘天阳; 杨学硕; 杨保然; 栗冬; 高宏泉; 张宁朔; 张冉; 朱明华; 陶佩; 赵景科
Original assignee: China Construction First Group Construction and Development Co Ltd
Current assignee: China Construction First Group Construction and Development Co Ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-05-12
Anticipated expiration: 2032-12-28

Abstract

The utility model discloses a safety device for limiting a vehicle in an external elevator car for construction, which comprises an actuating mechanism, a signal collecting system and a safety baffle, wherein the safety baffle comprises a baffle and a hinge, the baffle is hinged on the floor of the elevator car through the hinge, the actuating mechanism comprises a first hydraulic lifting rod and a second hydraulic lifting rod, piston rods of the first hydraulic lifting rod and the second hydraulic lifting rod are respectively hinged at two ends of the baffle and are hinged at one side of the baffle far away from the hinge, the signal collecting system comprises a back door normally closed limit switch, a baffle normally open limit switch and a front door normally closed limit switch, and a transformer, a circuit breaker, a back door normally closed limit switch, the baffle, a normally open limit switch, a front door normally closed limit switch and a display screen are sequentially connected in series through a limit switch power line. The safety baffle is arranged in the car, when a vehicle enters the elevator, the baffle needs to be lifted, and if the baffle is not lifted, a passage cannot be formed, so that the safety of the vehicle, the elevator and the personnel is ensured.

Description

Safety device for limiting vehicle in external elevator car for construction

Technical Field

The utility model belongs to the technical field of building construction equipment, and particularly relates to a safety device for limiting a vehicle in an external elevator car.

Background

The vehicle enters the car from the front door and after reaching the destination floor, enters the floor from the rear door. Because the car is longer, the storage battery car is less, has the acceleration distance when driver maloperation is hung forward gear into reverse gear, has the possibility of striking car qianmen, and light then damages the car door, and heavy then dashes out the car, high altitude falls.

The elevator can run after the existing construction external elevator door is closed in place to trigger the door travel switch, and no special door protection device exists, so that the safety of the elevator, the vehicle and a driver cannot be reliably ensured when the vehicle impacts the door.

Disclosure of Invention

The utility model provides a safety device for limiting a vehicle in an external elevator car, which is used for solving the technical problem that the safety of an elevator, a vehicle and a driver cannot be reliably ensured when the vehicle impacts a door due to the fact that a protective device does not exist at present.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a safety device for constructing vehicle is spacing in external elevator car, including actuating mechanism, signal collection system, safety shield, the car includes the car floor, car lateral wall and car roof, safety shield includes baffle and hinge, the baffle passes through the hinge and articulates on the car floor, actuating mechanism includes first hydraulic lifting rod and second hydraulic lifting rod, the piston rod of first hydraulic lifting rod and second hydraulic lifting rod articulates respectively on the both ends of baffle and articulates in the one side that the hinge was kept away from at the baffle, the cylinder body of first hydraulic lifting rod and second hydraulic lifting rod is fixed on the car lateral wall, fixed mounting has elevator control box and safety protection control box on the car lateral wall, safety protection control box passes through the control box power cord and is connected with external power source, the elevator control box passes through the elevator power cord and is connected with external power source, be provided with the transformer in the safety protection control box, the circuit breaker, the display screen, signal collection system includes back door normally closed limit switch, baffle normally closed limit switch, front door normally closed limit switch and front door normally closed limit switch are fixed on the car lateral wall of back respectively, the lift up when the elevator lateral wall is fixed at the baffle and is kept away from the hinge, normally closed switch is close to lift up the elevator lateral wall and lift up the elevator control box normally closed switch, normally closed switch is connected with the hydraulic pressure switch, the normally closed switch is connected with the hydraulic pressure switch normally closed switch, the normally closed switch is connected with the front switch, the normally closed switch is connected with the power supply through the power switch, the normally closed switch is opened to normally closed switch, the switch is opened to the normally closed switch is opened to the switch through the switch.

Through adopting above-mentioned technical scheme, set up safety shield in the car, need lift up the baffle after the vehicle gets into the elevator, if the baffle does not lift up, because back door normally closed limit switch, baffle normally open limit switch, preceding door normally closed limit switch series arrangement, can't form the passageway, the elevator can only be in unoperated state to guaranteed vehicle, elevator and personal safety, stopped the possibility that moves the elevator because of the driver reason does not rise safety shield from the root, the principle is simple, easy and simple to handle. Remote control operation, the work load of the elevator driver is not increased under the condition of ensuring the safety of the vehicle, the elevator and the personnel.

Preferably, the thickness of the baffle plate is more than or equal to 3mm, and the included angle between the lifted baffle plate and the bottom plate of the car is 30-35 degrees.

Through adopting above-mentioned technical scheme, guarantee that the baffle has enough intensity and can block the vehicle, select the position of safety barrier according to car size and vehicle length.

Preferably, the first hydraulic lifting rod and the second hydraulic lifting rod are identical in model and specification.

By adopting the technical scheme, the action consistency is ensured, and the lifting effect of the baffle plate is good.

Preferably, the first hydraulic lifting rod and the second hydraulic lifting rod are remote control hydraulic rods with a signal receiving function.

By adopting the technical scheme, the remote control can be realized, and the operation is convenient.

Preferably, an alarm bell is connected in series between the normally closed limit switch of the front door and the display screen.

Through adopting above-mentioned technical scheme, when current door normally closed limit switch, back door normally closed limit switch and baffle normally open limit switch all are triggered, the control box obtains the signal, and the warning has had the running condition by the warning of bell ringing, and the display screen broadcast safety broadcast increases workman's safety consciousness at taking advantage of the ladder in-process, builds firm safety concept defense line.

Preferably, a first leakage protector is arranged between the circuit breaker and the normally closed limit switch of the rear door, and a second leakage protector is arranged between the circuit breaker and the first hydraulic lifting rod.

By adopting the technical scheme, the first leakage protector and the second leakage protector are used for protecting the life of the equipment from electric shock when the equipment suffers from leakage faults and has the overload and short-circuit protection function, can be used for protecting the overload and short circuit of a circuit or a motor, and can also be used for starting the circuit without frequent conversion under normal conditions.

The beneficial effects of the utility model are as follows: the safety baffle is arranged in the lift car, when a vehicle enters the lift, the baffle needs to be lifted, if the baffle is not lifted, the normally-closed limit switch of the rear door, the normally-open limit switch of the baffle and the normally-closed limit switch of the front door are arranged in series, a passage cannot be formed, and the lift can only be in a non-working state, so that the safety of the vehicle, the lift and the personnel is ensured, the possibility of running the lift due to the fact that the safety baffle is not lifted due to a driver is radically eliminated, the principle is simple, and the operation is simple and convenient. Remote control operation, the work load of the elevator driver is not increased under the condition of ensuring the safety of the vehicle, the elevator and the personnel.

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model; the primary object and other advantages of the utility model may be realized and attained by means of the instrumentalities and particularly pointed out in the specification.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present utility model;

FIG. 2 is a circuit diagram of an embodiment of the present utility model;

fig. 3 is a side view of a baffle according to an embodiment of the present utility model.

Reference numerals: 1. an actuator; 11. a first hydraulic lift lever; 12. a second hydraulic lifting lever; 2. a signal collection system; 21. a normally closed limit switch of the back door; 22. a baffle normally-open limit switch; 23. a normally closed limit switch of the front door; 3. a safety barrier; 31. a hinge; 32. a baffle; 4. a control box power line; 5. an elevator power line; 6. limit switch power line; 7. a safety protection control box; 71. a transformer; 72. a circuit breaker; 73. a first leakage protector; 74. a second leakage protector; 75. an alarm bell; 76. a display screen; 8. an elevator control box; 9. a hydraulic lifting rod power line; 10. and a signal line.

Detailed Description

The following examples are given by way of illustration only and are not to be construed as limiting the scope of the utility model.

Referring to fig. 1 and 2, a safety device for limiting a vehicle in an external elevator car for construction comprises an actuating mechanism 1, a signal collecting system 2 and a safety baffle 3, wherein the car comprises a car floor, a car side wall and a car top plate, the safety baffle 3 comprises a baffle 32 and a hinge 31, the baffle 32 is hinged on the car floor through the hinge 31, the actuating mechanism 1 comprises a first hydraulic lifting rod 11 and a second hydraulic lifting rod 12, piston rods of the first hydraulic lifting rod 11 and the second hydraulic lifting rod 12 are respectively hinged at two ends of the baffle 32 and are hinged at one side of the baffle 32 far away from the hinge 31, a cylinder body of the first hydraulic lifting rod 11 and a cylinder body of the second hydraulic lifting rod 12 are fixed on the car side wall, an elevator control box 8 and a safety protection control box 7 are fixedly installed on the car side wall, the safety protection control box 7 is connected with an external power supply through a control box power line 4, the elevator control box 8 is connected with an external power supply through an elevator power line 5, a transformer 71, a circuit breaker 72 and a display screen 76 are arranged in the safety protection control box 7, the signal collecting system 2 comprises a back door normally-closed limit switch 21, a baffle normally-open limit switch 22 and a front door normally-closed limit switch 23, the back door normally-closed limit switch 21 and the front door normally-closed limit switch 23 are respectively fixed on the side walls of the front and rear cabins, the baffle normally-open limit switch 22 is fixed at the position of the side walls of the cabins close to a baffle 32, and when the baffle 32 is lifted, the baffle normally-open limit switch 22 is abutted to the baffle normally-open limit switch 22, the transformer 71, the circuit breaker 72, the back door normally-closed limit switch 21, the baffle normally-open limit switch 22, the front door normally-closed limit switch 23 and the display screen 76 are connected in series through a limit switch power line 6 in sequence, the transformer 71 and the circuit breaker 72 are also connected in series with the first lifting rod 11 and the second lifting rod 12 through a hydraulic rod power line 9, the display screen 76 is connected to the elevator control box 8 via the signal line 10.

The safety baffle 3 is arranged in the car, when a vehicle enters the elevator, the baffle 32 needs to be lifted, if the baffle 32 is not lifted, a passage cannot be formed because the back door normally-closed limit switch 21, the baffle normally-open limit switch 22 and the front door normally-closed limit switch 23 are arranged in series, and the elevator can only be in a non-working state, so that the safety of the vehicle, the elevator and the personnel is ensured, the possibility of running the elevator because the safety baffle 3 is not lifted due to a driver is radically eliminated, the principle is simple, and the operation is simple and convenient. Remote control operation, the work load of the elevator driver is not increased under the condition of ensuring the safety of the vehicle, the elevator and the personnel.

Referring to fig. 3, the thickness of the baffle 32 is 3mm or more, and the included angle between the baffle 32 and the bottom plate of the car after being lifted is 30-35 degrees, so that the baffle 32 is ensured to have enough strength to block the vehicle, and the position of the safety baffle 3 is selected according to the size of the car and the length of the vehicle.

The first hydraulic lifting rod 11 and the second hydraulic lifting rod 12 are identical in model and specification, the action is consistent, and the lifting effect of the baffle plate 32 is good.

The first hydraulic lifting rod 11 and the second hydraulic lifting rod 12 are remote control hydraulic rods with signal receiving functions, can be controlled remotely, and are convenient to operate.

An alarm bell 75 is further connected in series between the front door normally-closed limit switch 23 and the display screen 76, when the front door normally-closed limit switch 23, the rear door normally-closed limit switch 21 and the baffle normally-open limit switch 22 are triggered, the control box obtains signals, the alarm bell 75 sounds to prompt that the operation condition is met, the display screen 76 plays a safety broadcast, the safety consciousness of workers is increased in the elevator taking process, and the safety thought defense line is built firmly.

A first leakage protector 73 is arranged between the circuit breaker 72 and the rear door normally-closed limit switch 21, and a second leakage protector 74 is arranged between the circuit breaker 72 and the first hydraulic lifting rod 11.

The first leakage protector 73 and the second leakage protector 74 are used for protecting the life of the equipment from electric shock when the equipment fails due to electric leakage and have the functions of overload and short circuit protection, and can be used for protecting the overload and short circuit of the circuit or the motor and can also be used for starting the circuit without frequent conversion under normal conditions.

The foregoing is merely illustrative of preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any changes or substitutions that would occur to those skilled in the art within the scope of the present utility model are intended to be included in the scope of the present utility model.

Claims

1. A safety device for constructing vehicle is spacing in external use elevator car, its characterized in that: including actuating mechanism (1), signal collection system (2), safety shield (3), the car includes the car floor, car lateral wall and car roof, safety shield (3) are including baffle (32) and hinge (31), baffle (32) are articulated on the car floor through hinge (31), actuating mechanism (1) are including first hydraulic lifting rod (11) and second hydraulic lifting rod (12), the piston rod of first hydraulic lifting rod (11) and second hydraulic lifting rod (12) articulates respectively at the both ends of baffle (32) and articulates in one side that hinge (31) were kept away from to baffle (32), the cylinder body of first hydraulic lifting rod (11) and second hydraulic lifting rod (12) is fixed on the car lateral wall, fixed mounting has elevator control box (8) and safety protection control box (7) on the car lateral wall, safety protection control box (7) are connected with external power source through control box power cord (4), elevator control box (8) are connected with external power source through elevator power cord (5), be provided with transformer (71) in safety protection box (7), normally closed switch (21), normally closed system (23) limit switch (23) are gathered to limit switch, normally open door (23), the back door normally-closed limit switch (21) and the front door normally-closed limit switch (23) are respectively fixed on the side wall of the front car and the back car, the baffle normally-open limit switch (22) is fixed at the position, close to the baffle (32), of the side wall of the car, and the baffle (32) is propped against the baffle normally-open limit switch (22) when lifted, the transformer (71), the circuit breaker (72), the back door normally-closed limit switch (21), the baffle normally-open limit switch (22), the front door normally-closed limit switch (23) and the display screen (76) are sequentially connected in series through a limit switch power line (6), the transformer (71), the circuit breaker (72) are further connected in series with the first hydraulic lifting rod (11) and the second hydraulic lifting rod (12) through a hydraulic lifting rod power line (9), and the display screen (76) is connected with the elevator control box (8) through a signal line (10).

2. A safety device for vehicle restraint in an elevator car for construction use as defined in claim 1, wherein: the thickness of the baffle plate (32) is more than or equal to 3mm, and the included angle between the lifted baffle plate (32) and the bottom plate of the lift car is 30-35 degrees.

3. A safety device for vehicle restraint in an elevator car for construction use as claimed in claim 2, wherein: the first hydraulic lifting rod (11) and the second hydraulic lifting rod (12) are identical in model and specification.

4. A safety device for vehicle restraint in an elevator car for construction use as claimed in claim 3, wherein: the first hydraulic lifting rod (11) and the second hydraulic lifting rod (12) are remote control hydraulic rods with a signal receiving function.

5. A safety device for vehicle restraint in an elevator car for construction of an external use as defined in claim 4, wherein: an alarm bell (75) is connected in series between the normally closed limit switch (23) of the front door and the display screen (76).

6. A safety device for vehicle restraint in an elevator car for construction of an external use as defined in claim 5, wherein: a first leakage protector (73) is arranged between the circuit breaker (72) and the normally closed limit switch (21) of the rear door, and a second leakage protector (74) is arranged between the circuit breaker (72) and the first hydraulic lifting rod (11).