Real-time detection device for tension uniformity of traction steel wire rope

Abstract

The utility model discloses a traction steel wire rope tension uniformity real-time detection device which comprises a bottom plate, connecting rods are symmetrically arranged on the two sides of the top of the bottom plate, a rope hitch plate is arranged between the two sets of connecting rods, a plurality of sets of laser ranging heads are arranged on the top of the rope hitch plate, a plurality of sets of second spring seats are arranged on the top of the bottom plate, and the second spring seats are arranged on the top of the bottom plate. A screw rod is arranged in the second spring seat, a rope head spring is arranged on the outer side of the screw rod, and a first spring seat is arranged at the top of the rope head spring; under the cooperation of the laser ranging heads, the rope hitch plate, the shading plate and the rope hitch spring, the device monitors the distance between the rope hitch shading plate of each steel wire rope and the ranging heads through the plurality of laser ranging heads arranged on the rope hitch plate, the distance is in linear direct proportion to the tension value of each steel wire rope, and the larger the distance is, the larger the tension value is. And furthermore, the deviation between the tension of each steel wire rope and the average value of the tension is calculated through the data processing module.

Description

TECHNICAL FIELD

[0001] The utility model relates to elevator steel wire rope tension detection technical field, concretely is real -time detection device of traction steel wire rope tension evenness. BACKGROUND

[0002] The uniformity of the tension of the steel wire rope has the following important influences on the elevator: running quality - when the tension of the steel wire rope is greatly different, the friction of the steel wire rope and the traction wheel is uneven, which easily leads to vibration and noise of the elevator during running; serious problems such as rope disorder and off-groove of the steel wire rope occur, which causes the elevator to stop running and even accidents; service life of the traction machine - tension imbalance increases the load of the traction machine, which may cause the wear of the traction machine to be aggravated and the service life to be shortened; safety hazard - uneven force on the steel wire rope exists certain safety hazard, such as broken rope during running;

[0003] The existing tension evenness of the elevator is usually checked during installation or maintenance, and when the tension unevenness is found to exceed the specified value, the installation or maintenance personnel will readjust the tension of the steel wire rope. This checking method depends on the formulation and operation of the quality assurance system of the elevator company, and the working quality is difficult to guarantee. SUMMARY

[0004] The utility model aims at providing real -time detection device of traction steel wire rope tension evenness to solve the existing problem in above -mentioned background art.

[0005] In order to realize the above -mentioned purpose, the utility model provides the following technical scheme: real -time detection device of traction steel wire rope tension evenness, including the bottom plate, the both sides symmetry of the bottom plate top are equipped with the connecting rod, is equipped with the rope head board between two groups connecting rod, the top of rope head board is equipped with a plurality of laser range finder heads, the top of bottom plate is equipped with a plurality of second spring seats, the inside of second spring seat is equipped with screw rod, the outside of screw rod is equipped with rope head spring, the top of rope head spring is equipped with first spring seat, the top of first spring seat is equipped with light shield, the top of light shield is equipped with and tight nut.

[0006] Preferably, the inside of the bottom plate is provided with a mounting hole, and the second spring seat is located in the inside of the mounting hole, and the screw rod is located in the inside of the second spring seat, so that the screw rod can slide along the second spring seat during movement to ensure the stability during sliding.

[0007] Preferably, the bottom of the light shield and the top of the second spring seat are both provided with a connecting groove, and the rope head spring is located in the inside of the connecting groove, which facilitates connection.

[0008] Preferably, the bottom of the rope head plate is provided with a connecting through hole, and the ranging head of the laser ranging head is located inside the connecting through hole, so that the laser ranging head can measure the distance between the light shield plate and the rope head plate.

[0009] Preferably, the top of the connecting rod is provided with a connecting pipe, and the connecting pipe is provided with a locking bolt on one side, the rope head plate is connected with the connecting pipe, and the stability during connection is ensured.

[0010] Preferably, the locking nuts are two groups, and the locking nuts are locked on the top of the bottom plate, so that the connection is facilitated.

[0011] Preferably, a plurality of the laser ranging heads are connected with the data processing module through wires.

[0012] Compared with the prior art, the traction steel wire rope tension uniformity real-time detection device has the advantages that:

[0013] Through the cooperation of the laser ranging head, the rope head plate, the light shield plate and the rope head spring, the device can monitor the distance between the rope head of each steel wire rope and the ranging head through the plurality of laser ranging heads arranged on the rope head plate, the distance is linearly proportional to the tension value of each steel wire rope, the greater the distance, the greater the tension value, so that the tension of each steel wire rope is monitored, and the deviation between the tension of each steel wire rope and the average value is calculated through the data processing module. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is the front view of the utility model;

[0015] Fig. 2 It is the front view of the utility model;

[0016] Fig. 3 It is the perspective view of the screw rod of the utility model.

[0017] In the drawing: 1, bottom plate; 2, light shield plate; 3, locking nut; 4, connecting rod; 5, laser ranging head; 6, rope head plate; 7, first spring seat; 8, second spring seat; 9, rope head spring; 10, screw rod. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0019] Please refer to Figs. 1-3The utility model provides an embodiment: the real time detection device of traction steel wire rope tension uniformity, including bottom plate 1, the both sides symmetry of bottom plate 1 top are equipped with connecting rod 4, and be equipped with the rope head board 6 between two groups of connecting rod 4, and the top of connecting rod 4 outside is equipped with the connecting pipe, and one side of connecting pipe is equipped with locking bolt, guarantees the stability in the connecting process, and the rope head board 6 is connected with connecting pipe, and the top of rope head board 6 is equipped with multiple laser range finder 5, and the bottom of rope head board 6 is equipped with connecting through -hole, and the range finder of laser range finder 5 is located inside the connecting through -hole, so that laser range finder can measure the interval of the direct of sun visor and rope head board, and the top of bottom plate 1 is equipped with multiple second spring seat 8, and the inside of second spring seat 8 is equipped with screw rod 10, and the inside of bottom plate 1 is equipped with mounting hole, and second spring seat 8 is located inside the mounting hole,

[0020] Screw rod 10 is located inside second spring seat 8, so that the screw rod can slide along second spring seat in the process of moving to guarantee the stability in the sliding process, and the outside of screw rod 10 is equipped with rope head spring 9, and the bottom of sun visor 2 and the top of second spring seat 8 all are equipped with connecting groove, and rope head spring 9 is located inside the connecting groove, and it is convenient to connect, and the top of rope head spring 9 is equipped with first spring seat 7, and the top of first spring seat 7 is equipped with sun visor 2, and the top of sun visor 2 is equipped with and tight nut 3, and and tight nut 3 is two groups, and and tight nut 3 is locked on the top of screw rod 10 outside, and it is convenient to connect, and multiple laser range finder 5 is connected with data processing module through wire.

[0021] Suppose that the elastic coefficient of rope head spring 9 is K, and the length of rope head spring 9 is S1, S2, S3...Sn respectively when being in the no-load state, and the length of elevator is S1', S2', S3'...Sn' respectively when being in the load state, and the data of each steel wire rope is transmitted to the data processing board;

[0022] Then the tension value of each steel wire rope is F1'=K (S1'-S1), F2'=K (S2'-S2), F3'=K (S3'-S3)...Fn'=K (Sn'-Sn) respectively when being in the load state;

[0023] The data processing board divides the sum of all steel wire rope tension values by the total number n of steel wire ropes, and the average value of steel wire rope tension is obtained F ’, F ’=(F1’+F2’+F3’+...Fn’) / n, F F The difference between the tension of each steel wire rope and the average value of all steel wire rope tensions is calculated, and the first steel wire rope is (F1'-F1’)% / F1’. ​

[0024] Working principle: the steel wire rope is connected to the bottom of the screw rod 10, when the elevator runs, the steel wire rope pulls the screw rod 10 up or down, then the screw rod 10 drives the light shield plate 2 and the locking nut 3 to move, and the laser ranging head 5 detects the position of the light shield plate 2 in real time, when the difference value and the percentage of the average value of the tension exceed the value set by the manufacturer, the data processing board sends an alarm signal to remind the relevant personnel to adjust the tension distribution of each steel wire rope.

[0025] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0026] In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more than two; the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and are not intended to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" and the like are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0027] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

Claims

1. A real-time detection device for the tension uniformity of traction steel wire rope, comprising a base plate (1), characterized in that: The bottom plate (1) has symmetrical connecting rods (4) on both sides of the top. A rope end plate (6) is provided between the two sets of connecting rods (4). Multiple sets of laser rangefinders (5) are provided on the top of the rope end plate (6). Multiple sets of second spring seats (8) are provided on the top of the bottom plate (1). A screw (10) is provided inside the second spring seat (8). A rope end spring (9) is provided on the outside of the screw (10). A first spring seat (7) is provided on the top of the rope end spring (9). A light shield (2) is provided on the top of the first spring seat (7). A tightening nut (3) is provided above the light shield (2).

2. The real-time detection device for tension uniformity of traction steel wire rope according to claim 1, characterized in that: The base plate (1) has an installation hole inside, and the second spring seat (8) is located inside the installation hole. The screw (10) is located inside the second spring seat (8).

3. The real-time detection device for tension uniformity of traction steel wire rope according to claim 1, characterized in that: The bottom of the light-shielding plate (2) and the top of the second spring seat (8) are both provided with connecting grooves, and the rope head spring (9) is located inside the connecting groove.

4. The real-time detection device for tension uniformity of traction steel wire rope according to claim 1, characterized in that: The bottom of the rope head plate (6) is provided with a connecting through hole, and the measuring head of the laser rangefinder (5) is located inside the connecting through hole.

5. The real-time detection device for tension uniformity of traction steel wire rope according to claim 1, characterized in that: The top of the outer side of the connecting rod (4) is provided with a connecting pipe, and a locking bolt is provided on one side of the connecting pipe. The rope head plate (6) is connected to the connecting pipe.

6. The real-time detection device for tension uniformity of traction steel wire rope according to claim 1, characterized in that: The tightening nuts (3) are in two sets, and the tightening nuts (3) are locked to the top of the outside of the screw (10).

7. The real-time detection device for tension uniformity of traction steel wire rope according to claim 1, characterized in that: Multiple sets of laser rangefinders (5) are connected to the data processing module via wires.

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