CN214527514U

CN214527514U - Broken wire detection device of steel belt elevator

Info

Publication number: CN214527514U
Application number: CN202120826359.XU
Authority: CN
Inventors: 杨纪明
Original assignee: Chryce Elevator China Co ltd
Current assignee: Chryce Elevator China Co ltd
Priority date: 2021-04-21
Filing date: 2021-04-21
Publication date: 2021-10-29
Anticipated expiration: 2031-04-21

Abstract

The utility model discloses a disconnected silk detection device of steel band elevator, including setting up the steel band in the elevator shaft, the both ends of steel band are connected its characterized in that with the elevartor shaft through fag end subassembly respectively: the two ends of the steel belt are provided with a broken wire detection mechanism which is arranged above the end part of the steel belt; the broken wire detection mechanism comprises two groups of touch ends and a controller, the controller is electrically connected with the two groups of touch ends, and the controller is connected with a power supply; the steel belt comprises a plurality of groups of steel wire ropes and polyurethane coating layers coated outside the steel wire ropes, the end portions of the steel wire ropes are located outside the polyurethane coating layers, and the two groups of contact ends are respectively contacted with the end portions of the steel wire ropes. The utility model provides high disconnected silk detection efficiency has reduced the potential safety hazard, has improved the security that the elevator used.

Description

Broken wire detection device of steel belt elevator

Technical Field

The utility model relates to an elevator especially relates to a disconnected silk detection device of steel band elevator.

Background

In the prior art, a car elevator generally uses two steel wire ropes to connect a counterweight, a traction sheave and a car, wherein one steel wire rope is a cylindrical steel wire rope formed by winding a plurality of steel wires, the other steel wire rope is a cylindrical steel wire rope formed by arranging a plurality of steel wires side by side, polyurethane is coated outside the plurality of steel wires side by side to form a steel belt, and the most common steel wire rope at present is the cylindrical steel wire rope.

For the steel belt elevator, because the polyurethane is coated outside the multiple groups of steel wires, if one or two groups of steel wires in the multiple groups of steel wires inside are broken in the using process, the steel belt elevator cannot be found in time, and the elevator can also run normally within a period of time. However, if the steel wire is broken inside, other steel wires are stressed more, and after the steel wire is used for a period of time, the steel belt is easily broken completely, so that serious potential safety hazards are caused. Therefore, how to timely find the occurrence of the steel wire breakage inside is a direction in which the skilled person needs to take effort.

Disclosure of Invention

The utility model aims at providing a disconnected silk detection device of steel band elevator through using this structure, has effectively prevented the inside detection of disconnected silk of steel band in having realized the steel band elevator, has improved the security of elevator operation, has reduced the potential safety hazard.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the broken wire detection device of the steel belt elevator comprises a steel belt arranged in an elevator shaft, wherein two ends of the steel belt are respectively connected with the elevator shaft through a rope head assembly;

the broken wire detection mechanism comprises two groups of touch ends and a controller, the controller is electrically connected with the two groups of touch ends, and the controller is connected with a power supply; the steel belt comprises a plurality of groups of steel wire ropes and polyurethane coating layers coated outside the steel wire ropes, the end portions of the steel wire ropes are located outside the polyurethane coating layers, and the two groups of contact ends are respectively contacted with the end portions of the steel wire ropes.

Among the above-mentioned technical scheme, touch the end and include the mounting panel and set up the multiunit connecting rod on the mounting panel, the mounting panel set up in directly over the steel band tip, every group the bottom of connecting rod is equipped with one and bumps the contact, the bottom of bumping the contact with a set of wire rope's tip contacts, the top of bumping the contact through a circuit with the controller links to each other.

In the technical scheme, a plurality of groups of through holes are arranged on the mounting plate, and the top of the connecting rod passes through the through holes and is arranged right above the mounting plate; the steel wire rope touch device is characterized in that an upper limit nut and a lower limit nut are connected to the connecting rod in a threaded mode, the upper limit nut is arranged above the mounting plate, the lower limit nut is arranged below the mounting plate, a spring is sleeved on the connecting rod, the top of the spring abuts against the bottom surface of the mounting plate, the bottom of the spring abuts against the top surface of the lower limit nut, and the spring pushes the connecting rod to descend so that the touch head abuts against one group of steel wire rope end portions.

Among the above-mentioned technical scheme, the bottom surface positive center of connecting rod is equipped with a screw, the top surface positive center of connecting rod is equipped with one and steps down the hole, step down the hole with the screw communicates, bump the contact the top with the screw spiro union links to each other, bump the contact the bottom set up in the bottom below of connecting rod, the circuit wear in it is downthehole to step down, the circuit will bump the contact with the controller is connected.

Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

1. the utility model discloses in set up disconnected silk detection mechanism respectively above the both ends of steel band, utilize bumping among the disconnected silk detection mechanism to touch the end all the time with the inside every group wire rope contact of steel band, utilize the controller to give and bump the end power supply for whether detect the inside every group wire rope of steel band can constitute a complete return circuit, thereby detect whether inside wire rope breaks, realized the quick disconnected silk of steel band and detect, guarantee the security of elevator operation, reduced the potential safety hazard.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a joint of a touch head and a steel wire rope according to a first embodiment of the present invention.

Wherein: 1. a steel belt; 2. a rope head assembly; 3. a touch end; 4. a controller; 5. a wire rope; 6. a polyurethane coating layer; 7. mounting a plate; 8. a connecting rod; 9. a touch head; 10. a line; 11. a through hole; 12. an upper limiting nut; 13. a lower limit nut; 14. a spring; 15. a screw hole; 16. and (4) a yielding hole.

Detailed Description

The invention will be further described with reference to the following drawings and examples:

the first embodiment is as follows: referring to fig. 1 and 2, the broken wire detection device of the steel belt elevator comprises a steel belt 1 arranged in an elevator shaft, wherein two ends of the steel belt are respectively connected with the elevator shaft through rope head assemblies 2, two ends of the steel belt are provided with a broken wire detection mechanism, and the broken wire detection mechanism is arranged above the end part of the steel belt;

the broken wire detection mechanism comprises two groups of touch ends 3 and a controller 4, the controller is electrically connected with the two groups of touch ends, and the controller is connected with a power supply; the steel belt comprises a plurality of groups of steel wire ropes 5 and polyurethane coating layers 6 coated outside the steel wire ropes, the end portions of the steel wire ropes are located outside the polyurethane coating layers, and the two groups of contact ends are respectively contacted with the end portions of the steel wire ropes.

In this embodiment, the middle part of the steel belt passes through the traction machine, the counterweight and the car and is used for driving the car to move up and down in the elevator shaft. Wherein, whether fracture appears in order to detect the inside wire rope of department steel band, in the time of detecting, the controller gives two sets of touching end power supplies, at this in-process, if the corresponding wire rope of saying does not appear cracked, then can form a complete return circuit after every group steel wire circular telegram, if say that the wire rope that corresponds is cracked, then can't form a return circuit, the controller just can learn the disconnected silk condition of appearing like this, can realize the quick disconnected silk detection of department like this, high efficiency, realize automatic disconnected silk detection, can effectively guarantee the security of elevator operation like this, the potential safety hazard is reduced.

Referring to fig. 1 and 2, the touch end comprises a mounting plate 7 and a plurality of groups of connecting rods 8 arranged on the mounting plate, the mounting plate is arranged right above the end part of the steel belt, a touch head 9 is arranged at the bottom of each group of connecting rods, the bottom of the touch head is in contact with the end part of one group of steel wire rope, and the top of the touch head is connected with the controller through a line 10.

In this embodiment, the touch contact above every group connecting rod can contact with the tip of a set of wire rope to touch her and be connected with the controller through the circuit, when controller control circular telegram like this, can utilize touch the head and give the circular telegram of corresponding wire rope, if wire rope does not appear the fracture, then reorganization wire rope can form a complete return circuit, if this group wire rope appears the fracture, then can't form complete return circuit, then explain probably appear the fracture, the controller feeds back data to the elevator control box, the elevator operation that pauses, carry out special maintenance by operating personnel again. The electrified current is not too large, the wire breakage detection can be met, and potential safety hazards cannot occur. Meanwhile, the outer portion of each steel wire rope is coated with the polyurethane coating layer, so that the problem of mutual influence can not occur after the adjacent steel wire ropes are electrified, and the quality of broken wire detection is effectively guaranteed.

Referring to fig. 1 and 2, a plurality of groups of through holes 11 are formed in the mounting plate, and the top of the connecting rod passes through the through holes and is arranged right above the mounting plate; the upper limiting nut 12 and the lower limiting nut 13 are connected to the connecting rod in a threaded mode, the upper limiting nut is arranged above the mounting plate, the lower limiting nut is arranged below the mounting plate, the connecting rod is sleeved with a spring 14, the top of the spring abuts against the bottom surface of the mounting plate, the bottom of the spring abuts against the top surface of the lower limiting nut, and the spring pushes the connecting rod to descend to enable the touch head to abut against one group of end portions of the steel wire ropes.

In this embodiment, because the tip of steel band after the atress, some small reciprocating can appear, simultaneously, the inside wire rope of steel band tip, the position of each group wire rope tip also can not be so neat, consequently, through setting up the spring, utilize the spring to promote the connecting rod and move down for every group bumps the bottom of contact and all can support the tip at wire rope, guarantees like this that can both be normal under the different situation and carries out broken wire detection to the steel band, guarantees detection quality.

Refer to fig. 2, the bottom surface positive center of connecting rod is equipped with a screw 15, the top surface positive center of connecting rod is equipped with one and steps down hole 16, step down the hole with the screw communicates in the hole, bump the contact the top with the screw spiro union links to each other, bump the contact the bottom set up in the bottom below of connecting rod, the circuit wear in it is downthehole to step down, the circuit will bump the contact with the controller is connected.

Wherein, through the setting of screw and the hole of stepping down, the screw is used for bumping the installation of contact, and the hole of stepping down is used for passing of circuit, if touch the head like this and go wrong, the timely change of also being convenient for.

Claims

1. The utility model provides a disconnected silk detection device of steel band elevator, is including setting up the steel band in the elevator shaft, the both ends of steel band are connected its characterized in that with the elevartor shaft through fag end subassembly respectively: the two ends of the steel belt are provided with a broken wire detection mechanism which is arranged above the end part of the steel belt;

2. The device for detecting a broken wire of a steel belt elevator according to claim 1, characterized in that: bump the end and include the mounting panel and set up the multiunit connecting rod on the mounting panel, the mounting panel set up in directly over the steel band tip, every group the bottom of connecting rod is equipped with one and bumps the contact, bump the bottom of contact and a set of wire rope's tip contacts, bump the top of contact through a circuit with the controller links to each other.

3. The device for detecting broken wire of a steel belt elevator according to claim 2, characterized in that: a plurality of groups of through holes are arranged on the mounting plate, and the top of the connecting rod passes through the through holes and is arranged right above the mounting plate; the steel wire rope touch device is characterized in that an upper limit nut and a lower limit nut are connected to the connecting rod in a threaded mode, the upper limit nut is arranged above the mounting plate, the lower limit nut is arranged below the mounting plate, a spring is sleeved on the connecting rod, the top of the spring abuts against the bottom surface of the mounting plate, the bottom of the spring abuts against the top surface of the lower limit nut, and the spring pushes the connecting rod to descend so that the touch head abuts against one group of steel wire rope end portions.

4. The device for detecting broken wire of a steel belt elevator according to claim 2, characterized in that: the bottom surface positive center of connecting rod is equipped with a screw, the top surface positive center of connecting rod is equipped with one and steps down the hole, step down the hole with the screw communicates, bump the contact the top with the screw spiro union links to each other, bump the contact the bottom set up in the bottom below of connecting rod, the circuit wear in step down downtheholely, the circuit will bump the contact with the controller is connected.