CN103058035A

CN103058035A - Elevator anti-falling safety net

Info

Publication number: CN103058035A
Application number: CN2012105830230A
Authority: CN
Inventors: 王宝根
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-12-25
Filing date: 2012-12-25
Publication date: 2013-04-24

Abstract

The invention relates to an elevator anti-falling safety net arranged in an elevator hoistway. The elevator anti-falling safety net is characterized in that a car is divided into an upper portion and a lower portion; the upper portion is composed of four upper lifting ropes and a plurality of safety nets which correspond to floors, four corners of the safety nets are fixed on the four upper lifting ropes, and two ends of each upper lifting rope are fixed on top surfaces of the elevator hoistway and the car respectively; the lower portion is composed of four lower lifting ropes and a plurality of safety nets which correspond to the floors, four corners of the safety nets are fixed on the four lower lifting ropes, two ends of each lower lifting rope are fixed on bottom surfaces of the elevator hoistway and the car respectively; and the plurality of safety nets of the upper portion and the lower portion are ranked at intervals by corresponding to the floors so that ascending or descending of an elevator can drive the upper and lower lifting ropes to stretch the safety nets of the upper portion and the lower portion at corresponding floor positions. According to the elevator anti-falling safety net, defects of existing elevators are overcome, and the anti-falling safety net is installed in the elevator hoistway and has advantages of being safe, durable in structure, simple in manufacturing process, low in costs and reliable in using.

Description

Elevator safe fall-proof net

One, technical field

The present invention relates to a kind of safety aid of elevator, the safety net that the personnel that prevent in especially a kind of elevator hoistways fall and solids falls.

Two, background technology

In recent years, along with the real-estate market fast development, elevator quantity is rapid growth also, yet elevator is complicated electromechanical appliance, repair and maintenance are untimely, glitch causes the car all standing easily, door can not opening and closing, with the people be trapped in the cab, Room door opens car and do not fall to problems such as elevator hoistways this layer even pinching passenger or passenger, just accident may occur as not having the professional to rescue and getting rid of fault this moment; Major break down also can cause the accidents such as the elevator hoistways personnel fall, and elevator service personnel occurs as there being falling object also to have casualty accident above the maintainer when the hoistway maintenance lift simultaneously.According to incompletely statistics, all kinds of elevators " oppressive " event that occurs of Xiamen 1 year is nearly thousand.

Recent domestic various places recur a lot of elevator safety accidents, the people's that constantly touching a tender spot nerve.Data show that China's elevator recoverable amount, yearly output, annual increment all are in the global umber one.Huge elevator quantity is brought lot of challenges to safety.The generation of elevator accident; accident more than 80% still occurs in the repair and maintenance link; namely follow-up maintenance maintenance is not in place; this is lack of standardization relevant with operating instructions such as the detection of special equipment, maintenance, renewals; also with that safety device is not set is relevant in the elevator hoistways; therefore, need a kind of safe fall-proof net of research and development to guarantee personal safety.

Three, summary of the invention

The objective of the invention is to solve the deficiency of existing elevator, a kind of safe fall-proof net that is loaded in the elevator hoistways is provided, have safety, structure is durable, manufacturing process is simple, cost is lower and use the characteristics such as reliable.

The objective of the invention is to adopt following scheme to realize: a kind of elevator safe fall-proof net, it is arranged in the elevator hoistways, be characterized in: it is divided into upper and lower two parts by car, upper part is made of in the safety net of the corresponding every floor of multiple tracks of four upper lifting ropes four upper lifting ropes and Corner Strapped, and upper lifting rope two ends are separately fixed at elevator hoistways end face and car end face; Lower part is made of in the safety net of the corresponding every floor of multiple tracks of four lower lifting ropes four lower lifting ropes and Corner Strapped, and lower lifting rope two ends are separately fixed at elevator cage bottom surface and elevator hoistways bottom surface; Upper and lower two-part multiple tracks safety net makes elevator rising or decline can drive upper and lower lifting rope the safety net of two parts is stretched out at corresponding floor position all with the every floor arranged with interval of correspondence.

Four weight sensors are equipped with at four jiaos at above-mentioned elevator hoistways top, and it is connected with upper lifting rope top; Four jiaos are provided with four weight sensors bottom the described car, it is connected with lower lifting rope top, weight sensor detects the load-bearing of safety net, at elevator rising, decline or lift car not at this layer and hoistway door when opening carries out personnel and solids from the warning of high falling; Every layer of hoistway door opposite inwall at elevator hoistways is provided with an infra-red alarm, and whether hoistway door is opened when being used for elevator moved, whether personnel occur is monitored and report to the police.

Above-mentioned all weight sensors and infra-red alarm all are connected on the vital circuit of elevator, start elevator safety circuit when Lift out of order, and lift car is stopped.

When above-mentioned lift car rose, the safety net of part successively drew in the drive, and the safety net of lower part is successively stretched out; When lift car descended, the safety net that drives lower part successively drew in, and the safety net of upper part is successively stretched out, and when falling to the safety net if any personnel or solids, by starting elevator safety circuit car was stopped automatically; Or at car not at this layer and personnel appear when opening in hoistway door, infra-red alarm also can stop car by starting elevator safety circuit automatically.

The present invention adopts the beneficial effect of such scheme to be: the safety net that 1) has the every floor of corresponding elevator in the hoistway, can effectively avoid not shutting from the generation of elevator hoistways falling accident at hoistway door, passenger, solids fall online to safe fall-proof, guaranteed personal safety, weight sensor is measured the increase of load-bearing on the safety net simultaneously, can automatically start elevator safety circuit at once car is stopped automatically, can effectively avoid the generation of secondary lift car extruding accident; 2) setting of infra-red alarm, can monitor that elevator is when operation, whether hoistway door opens the personnel's situation that occurs, can be under the abnomal condition automatic alarm and start elevator safety circuit at Lift out of order or elevator car is stopped automatically, conveniently further detect, rescue, keep in repair, the operation such as renewal; 3) this device have report to the police accurately, reliable, advantage is installed, easy and simple to handle etc.

Four, description of drawings

Fig. 1 is the schematic perspective view (take 4 layers as example) of a kind of elevator safe fall-proof of the present invention net;

Fig. 2 is the cutaway view of a kind of elevator safe fall-proof of the present invention net.

As follows to the label declaration in each width of cloth accompanying drawing:

The 1-elevator hoistways; The 1a-weight sensor; The 1b-infra-red alarm; The 2-hoistway door; The upper lifting rope of 3-; The 3a-safety net; 3a1-the first safety net; 3a2-the second safety net; 3a3-the 3rd safety net; The 4-car; 4a-safety net containing box; The 4b-weight sensor; Lifting rope under the 5-; The 5a-safety net; 5a1-the first safety net; 5a2-the second safety net; 5a3-the 3rd safety net.

Five, the specific embodiment

The below is described in detail the specific embodiment of elevator safe fall-proof net of the present invention by reference to the accompanying drawings as an example of 4 floors example.

As shown in Figure 1, 2, be the constructional drawing of elevator safe fall-proof net of the present invention, it is arranged in the elevator hoistways 1, and it is divided into upper and lower two parts by car 4.Upper part is made of in three road safety net 3a of four upper lifting ropes 3 four upper lifting ropes 3 and Corner Strapped, and lower part is made of in three road safety net 5a of four lower lifting ropes 5 four lower lifting ropes 5 and Corner Strapped.At car 4 tops safety net containing box 4a is set.

Upper lifting rope 3 two ends are separately fixed at elevator hoistways 1 end face and car 4 end faces, lower hanging, and 5 two ends are separately fixed at elevator cage 4 bottom surfaces and elevator hoistways 1 bottom surface, and upper and lower two-part three road safety nets are all with the every floor arranged with interval of correspondence.As shown in Figure 2, for 4 floors, the safety net 3a of upper part can arrange the first safety net 3a1, the second safety net 3a2 and the 3rd safety net 3a3 three road safety nets; The safety net 5a of lower part can arrange the first safety net 5a1, the second safety net 5a2 and the 3rd safety net 5a3 three road safety net 5a.

As shown in Figure 1, four weight sensor 1a that are connected with upper lifting rope 3 tops are equipped with at four jiaos at elevator hoistways 1 top, four jiaos of car 4 bottoms are provided with four weight sensor 4a that are connected with lower lifting rope 5 tops, and every layer of hoistway door 2 opposite inwalls of elevator hoistways 1 all have an infra-red alarm 1b.Weight sensor (1a, 4b) and infra-red alarm 4a all are connected on the vital circuit of elevator.

As shown in Figure 1, 2, elevator is positioned at the 3rd building, upper lifting rope 3 uppermost the 3rd safety net 3a3 stretch out, be positioned at the 4th floor, all the other safety nets of upper part then draw in the safety net containing box 4a at car 4 tops, lower lifting rope 5 uppermost the 3rd safety net 5a3, the second safety net 5a2 stretch out, and lay respectively at the 2nd, 1 floor, and all the other safety nets of lower part then draw elevator hoistways 1 bottom in.Like this, if hoistway door 2 accidents of the 1st, 2,4 floors are opened, the people who falls or thing all can be connected to avoids accident to occur.

When lift car rises or descend; by the traction of upper lifting rope 3 and lower lifting rope, and action of gravitation, upper and lower two-part safety net all can successively stretch out or draw in; make hoistway door 2 belows of every floor layer that safety net all be arranged, can effectively protect the passenger who falls to elevator hoistways 1.

Claims

1. elevator safe fall-proof net, it is arranged in the elevator hoistways (1), it is characterized in that: it is divided into upper and lower two parts by car (4), upper part is made of in the safety net (3a, 5a) of the corresponding every floor of multiple tracks of four upper lifting ropes (3) four upper lifting ropes (3) and Corner Strapped, and upper lifting rope (3) two ends are separately fixed at elevator hoistways (1) end face and car (4) end face; Lower part is made of in the safety net (5a) of the corresponding every floor of multiple tracks of four lower lifting ropes (5) four lower lifting ropes (5) and Corner Strapped, and lower lifting rope (5) two ends are separately fixed at elevator cage (4) bottom surface and elevator hoistways (1) bottom surface; Upper and lower two-part multiple tracks safety net (3a, 5a) is all with the every floor arranged with interval of correspondence, elevator is risen or descend can drive lifting rope (3), lower lifting rope (5) is stretched out the safety net (3a, 5a) of two parts at corresponding floor position.

2. elevator safe fall-proof net according to claim 1 is characterized in that: four weight sensors (1a) are equipped with at four jiaos at described elevator hoistways (1) top, and it is connected with upper lifting rope (3) top; Four jiaos are provided with four weight sensors (4b) bottom the described car (4), it is connected with lower lifting rope (5) top, weight sensor (1a, 4b) detects the load-bearing of safety net (3a), at elevator rising, decline or lift car (4) not at this layer and hoistway door (2) when opening carries out personnel and solids from the warning of high falling; Inwall is provided with an infra-red alarm (1b) on every layer of hoistway door (2) opposite of elevator hoistways (1), and whether hoistway door (2) is opened when being used for elevator moved, whether personnel occur is monitored and report to the police.

3. elevator safe fall-proof net according to claim 1, it is characterized in that: described all weight sensors (1a, 4b) and infra-red alarm (1b) all are connected on the vital circuit of elevator, when Lift out of order, start elevator safety circuit, lift car (4) is stopped.