CN204831081U - Elevator driving sheave grooving wearing and tearing volume measuring tool - Google Patents

Abstract

The utility model discloses an elevator driving sheave grooving wearing and tearing volume measuring tool, including landing leg, probe, urceolus and interior slide bar, the landing leg is installed vertical the lower extreme of urceolus, it is vertical interior jack rod sleeve adorn in in the urceolus, the upper segment of interior slide bar or the upper segment of urceolus is equipped with the size and marks, the probe with the lower extreme of interior slide bar is connected just the probe is arranged in under the urceolus. Elevator driving sheave grooving wearing and tearing volume measuring tool has that strong adaptability, commonality are wide, measurement accuracy is reliable and stable, simple structure, convenient to carry, easy and simple to handle, advantage that manufacturing costs is low.

Description

Elevator traction sheave rope groove wear measurement tool

technical field

The utility model relates to an auxiliary measuring tool for an elevator, in particular to a measuring tool for the abrasion amount of a rope groove of an elevator traction sheave.

Background technique

The most widely used drive method for elevators is traction drive. As shown in Figure 1, the working principle of the traction drive is: the wire rope is connected to the car 2 through one end of the elevator traction sheave 1, and the other end is connected to the counterweight 3. The gravity of the car 2 and the counterweight 3 makes the traction wire rope Compressed in the rope groove of the elevator traction sheave 1. The motor rotates, and due to the friction between the rope groove of the elevator traction sheave 1 and the steel wire rope, the car 2 is driven to move up and down in the hoistway.

During the use of the elevator, the traction sheave and the wire rope are inevitably worn out. "TSGT7001-2009 Elevator Supervision Inspection and Periodic Inspection Rules" clearly states that the rope groove of the traction sheave must not be severely worn. Therefore, it is necessary to replace the traction sheave and wire rope worn to a certain extent. The wear unevenness between the rope grooves is a condition for the replacement of the traction sheave. However, there is no set of traction sheave wear measurement tools that are easy to operate, reliable in accuracy and strong in versatility. There are only two similar traditional measurements as follows Tools and methods:

1. "GBT13435-1992 Elevator Traction Machine"

This method uses a steel ruler to measure the distance from the top of each standard cylinder to the square. There are following defects in this method:

1) The accuracy is not high: it is necessary to use a steel ruler to measure the distance, and the measurement position and the reading habit of the operator will affect the accuracy;

2) The operation process is cumbersome: it is necessary to place a square first, then place multiple standard cylinders, and then use a ruler to measure. There are many measuring tools, the integration level is not high, and the measurement process is tedious;

3) Poor adaptability: the steel wire rope cannot be removed for on-site measurement, it needs to be measured with load, the standard cylinder cannot be placed, the measurement cannot be carried out, and the on-site measurement is not applicable.

2. A utility model patent with the patent number "CN200820150830" and the name "a tool for measuring the wear of sliding rope grooves"

The measurement method of this patent is: first place the measuring tool in the unworn rope groove for positioning, use the No. In the groove, record the distance that the No. 17 part protrudes from the No. 11 part in Fig. 3 of this patent, which is the amount of wear. There is following defect in this patent:

1) Poor adaptability: There are three types of grooves for elevator traction sheave rope grooves. This method can only measure semicircular grooves, and the wear of the other two grooves cannot be measured;

2), poor versatility: the diameter of the No. 11 part cannot be adjusted in this patent, but the diameter of the elevator traction rope is from arrive No, the tool cannot measure all grooves;

3) The measurement conditions are harsh: the tool needs to be positioned in the unworn rope groove first, and it is almost impossible to find the same type of unworn rope groove on the elevator construction site.

Utility model content

The purpose of the utility model is to provide a measuring tool for measuring the wear amount of rope grooves of elevator traction sheaves in order to solve the above problems.

The utility model realizes above-mentioned purpose through following technical scheme:

A tool for measuring the wear amount of rope grooves of elevator traction sheaves, comprising a leg, a probe, an outer cylinder and an inner sliding rod, the legs are installed at the lower end of the vertical outer cylinder, and the vertical inner sliding rod Set in the outer cylinder, the upper section of the inner sliding rod or/and the upper section of the outer cylinder are provided with size marks, the probe is connected to the lower end of the inner sliding rod and the probe is placed on the outer directly below the barrel.

In the above structure, the bottom of the outrigger is placed on the ground and the bottom of the probe is used to be placed in a rope groove of the elevator traction sheave and is in contact with the bottom of the rope groove. Place the bottom of the probe in another rope groove of the elevator traction sheave and make contact with the bottom of the rope groove. At this time, the scale on the upper part of the inner slide bar shows another value. After several measurements, compare the value displayed by the scale on the upper part of the inner slide bar. The wear uniformity of each rope groove can be understood according to the difference.

Specifically, the size is marked as a scale set on the outer wall of the upper section of the inner slide bar; or, the size is marked as a dial indicator set on the top of the inner slide bar and the top of the outer cylinder.

Further, in order to facilitate the control of the active state of the inner sliding rod, the elevator sheave rope groove wear measurement tool also includes a ring sleeve, a pressure plate and a friction plate, and a radial through hole is provided on the wall of the outer cylinder, The friction plate is placed in the radial through hole and its inner surface is in contact with the outer wall of the inner slide bar, the pressing plate is placed in the radial through hole and its inner surface is in contact with the outer wall of the friction plate The outer surface is in contact, the ring sleeve is set outside the outer cylinder and is located at the radial through hole; the structure of the ring sleeve and the pressing piece is as follows: the inner wall of the ring sleeve and the pressing piece The corresponding inner surface is in face-to-face contact with the outer surface of the pressing piece, and the outer surface of the pressing piece is a slope that gradually slopes outward from top to bottom, and the inner wall corresponding to the pressing piece in the inner wall of the ring sleeve The surface is a slope that gradually slopes outward from top to bottom; or, the outer surface of the pressing piece is in surface contact with the inner wall of the ring sleeve, and the outer surface of the pressing piece is gradually inclined outward from top to bottom. Arc surface, the inner wall of the ring sleeve is an arc surface that gradually slopes outward from top to bottom. In this structure, the compression or relaxation of the pressing plate on the friction plate can be realized by using the lowering or rising of the ring sleeve, so as to realize the flexible control of the two states of fixing and moving of the inner sliding rod.

Specifically, there are two radial through holes and they are distributed symmetrically on the outer wall of the outer cylinder. inside the hole.

Preferably, the probe is detachably connected to the lower end of the inner sliding rod through a transverse rotating shaft.

In order to improve the application range of the probe, the probe can rotate around the horizontal axis; the probe is composed of three small circular probes with different diameters integrated into one body, the three small circular probes are located on the same vertical plane, and the three small circular probes are The small round probes are used to measure rope grooves of different diameters.

In order to improve the stability and facilitate the measuring operation of the probe, there are two legs and they are symmetrically distributed on both sides of the center line of the outer cylinder.

The beneficial effects of the utility model are:

The tool for measuring the wear amount of the rope groove of the elevator traction sheave in the utility model has the advantages of strong adaptability, wide versatility, stable and reliable measurement accuracy, simple structure, easy to carry, easy to operate, and low manufacturing cost, which are specifically embodied as follows:

1) Using 3 small probes combined with the probe of the cost tool, it can measure the current traction sheaves of various rope diameters and types of rope grooves.

2) The simple and practical inner sliding rod control structure realizes the separation of measurement and reading, which is convenient for both measurement and reading.

3) The symmetrical outrigger design keeps the inner sliding rod and the probe always on the extension line of the line connecting the measured point of the traction sheave and the center of the circle, making the measurement more accurate.

Description of drawings

Fig. 1 is the overall structure schematic diagram of traction drive elevator;

Fig. 2 is a perspective view of the measuring tool for the wear amount of the rope groove of the elevator traction sheave described in the utility model;

Fig. 3 is a cross-sectional view of the mutual structure of the outer cylinder, the inner sliding rod, the ring sleeve, the pressing plate and the friction plate of the utility model;

Fig. 4 is a cross-sectional view of the outer cylinder and the inner sliding rod in the radial through hole position of the utility model, and the viewing angle is consistent with Fig. 3;

Fig. 5 is the front view of the inner sliding rod and the probe described in the utility model;

Fig. 6 is a perspective view of the outer cylinder and the legs of the utility model;

Fig. 7 is a front view of the utility model when the elevator traction sheave rope groove wear measuring tool is applied;

FIG. 8 is a partially enlarged view of the position of the probe in FIG. 7 .

Detailed ways

Below in conjunction with accompanying drawing, the utility model is further described:

As shown in Fig. 2-Fig. 6, the elevator traction sheave rope groove wear measurement tool of the utility model includes a leg 7, a probe 8, an outer cylinder 6, an inner sliding rod 4, a ring sleeve 53, a pressing piece 52 and a friction Sheet 51, wherein, two supporting legs 7 are installed on the lower end of vertical outer tube 6, and two supporting legs 7 are symmetrically distributed on both sides of the center line of outer tube 6; ) is detachably connected to the lower end of the inner sliding rod 4 and the probe 8 is placed directly below the outer cylinder 6. The probe 8 is composed of three circular small probes (not marked in the figure) with different diameters integrated into one body. The three The small circular probes are located on the same vertical plane, and the three small circular probes are used to measure rope grooves of different diameters (see rope groove 11 in Figure 7 and Figure 8); the vertical inner slide rod 4 is set inside the outer cylinder 6 , the outer wall of the upper section of the inner sliding rod 4 is provided with a scale 41; the wall of the outer cylinder 6 is symmetrically provided with two radial through holes 61, and the two friction plates 51 are respectively placed in the two radial through holes 61 and their The inner surface is in contact with the outer wall of the inner sliding rod 4, the two pressure pieces 52 are respectively placed in the two radial through holes 61 and their inner surfaces are in contact with the outer surface of the corresponding friction plate 51, and the ring sleeve 53 is set on the outer cylinder 6 Outside and located at the radial through hole 61, the structure of the ring sleeve 53 and the pressing piece 52 is as follows: the outer surface of the pressing piece 52 is in surface contact with the inner wall of the ring sleeve 53, and the outer surface of the pressing piece 52 gradually moves upward from top to bottom. The outer inclined arc surface, the inner wall of the ring sleeve 53 is a gradually outwardly inclined arc surface from top to bottom; perhaps, the structure of the ring sleeve 53 and the pressing sheet 52 can also be as follows: the inner wall of the ring sleeve 53 and the pressing sheet The inner surface corresponding to 52 is in face-to-face contact with the outer surface of the pressing piece 52. The outer surface of the pressing piece 52 is a slope that gradually slopes outward from top to bottom. The inner surface corresponding to the pressing piece 52 in the inner wall of the ring sleeve 53 is formed by A slope that gradually slopes outward from top to bottom.

The ring sleeve 53, the pressure plate 52 and the friction plate 51 together form the control device 5 of the inner slide bar 4, which is used to realize the flexible control of the activity state of the inner slide bar 4. Specifically, when the ring sleeve 53 is pushed to move upward, The pressure of the pressing plate 52 on the friction plate 51 is reduced, and the pressure and friction force of the friction plate 51 on the inner sliding bar 4 are reduced, and the inner sliding bar 4 can move up and down freely. At this time, it is convenient to adjust the relative position of the inner sliding bar 4 according to actual needs. The position of the outer cylinder 6 is to adjust the distance between the lower end of the probe 8 and the lower end of the supporting leg 7. When the supporting leg 7 is placed on the ground, it is to adjust the height of the lower end of the probe 8 from the ground. The lower end of probe 8 is in contact with the bottom of the rope groove; when the push ring 53 moves downward, the pressure of pressure plate 52 on friction plate 51 increases, and the pressure and friction force of friction plate 51 on inner slide bar 4 increase until The inner slide bar 4 cannot move and is in a stable state, which is convenient for accurate reading of the size scale 41 on the upper section of the inner slide bar 4 .

Fig. 6 and Fig. 7 also show two planes 62 on both sides of the lower section of the outer cylinder 6. The setting of the planes 62 is convenient for installing the legs 7, which is not the key point of the present utility model, and is only briefly explained here.

Combined with Fig. 2, Fig. 3, Fig. 7 and Fig. 8, during application, place the bottom of the outrigger 7 on the ground, loosen the control device 5, and place one of the small round probes of the probe 8 (its size is the same as that of the rope groove) 11) is placed in a rope groove 11 of the elevator traction sheave 1, and the bottom of the small circular probe is brought into contact with the bottom of the rope groove 11, and the control device 5 is pressed tightly. At this time, the upper section of the inner sliding rod 4 The position flush with the upper end of the outer cylinder in the size scale 41 of the slab shows a definite value, record the value; then loosen the control device 5, and place the small circular probe in another rope groove 11 of the elevator traction sheave 1 and make the bottom of the circular small probe contact with the bottom of the rope groove 11, and press the control device 5. At this time, the position in the size scale 41 of the upper section of the inner slide rod 4 that is flush with the upper end of the outer cylinder shows another If the determined value is determined, record the value; after multiple measurements, compare the recorded values, and the wear uniformity of each rope groove 11 can be known according to the difference.

According to actual application requirements, the contact surface between the inner sliding rod 4 and the outer cylinder 6 is generally a cylindrical surface, but in order to ensure that the relative position between the leg 7 and the probe 8 is parallel, the contact surface can be designed as a rectangle, or, A chute and a slide rail are designed between the inner sliding rod 4 and the outer cylinder 6; the connection structure between the inner sliding rod 4 and the probe 8 can also be designed as a threaded connection or snap-in connection in addition to the horizontal shaft connection or magnetic fit connection; the leg 7 can be a one-stage structure, and can also be designed as a scalable multi-stage structure, and its quantity can also be more; in order to achieve higher measurement accuracy, the above-mentioned dimension scale 41 can also be used The dial gauge that is arranged on the top of inner slide bar 4 and the top of outer tube 6 replaces.

The above-described embodiments are only preferred embodiments of the present utility model, and are not limitations to the technical solutions of the present utility model. As long as the technical solutions that can be realized on the basis of the above-mentioned embodiments without creative work, all should be regarded as falling into the scope of this invention. within the protection scope of utility model patents.

Claims (7)

1. an elevator traction sheave grooving wearing capacity measuring tool, it is characterized in that: comprise supporting leg, probe, urceolus and interior slide bar, described supporting leg is arranged on the lower end of vertical described urceolus, vertical described interior jack rod sleeve is loaded in described urceolus, the epimere of described interior slide bar is or/and the epimere of described urceolus is provided with size indication, and described probe is connected with the lower end of described interior slide bar and described probe is placed in immediately below described urceolus.

2. elevator traction sheave grooving wearing capacity measuring tool according to claim 1, is characterized in that: described size indication is the size scale being arranged at described interior slide bar epimere outer wall; Or described size indication is the dial gauge being arranged at the top of described interior slide bar and the top of described urceolus.

3. elevator traction sheave grooving wearing capacity measuring tool according to claim 1 and 2, it is characterized in that: described elevator traction sheave grooving wearing capacity measuring tool also comprises ring set, compressing tablet and friction disc, the barrel of described urceolus is provided with radial direction through hole, described friction disc to be placed in described radial direction through hole and the wall contacts of its inner surface and described interior slide bar, described compressing tablet is placed in described radial direction through hole and its inner surface contacts with the outer surface of described friction disc, and described ring set is set in described urceolus and be positioned at described radial direction through hole place outward; The structure of described ring set and described compressing tablet is as follows: the outer surface plane-plane contact of inside surface corresponding with described compressing tablet in the inwall of described ring set and described compressing tablet, the outer surface of described compressing tablet is from top to bottom outward-dipping gradually inclined-plane, and inside surface corresponding with described compressing tablet in the inwall of described ring set is from top to bottom outward-dipping gradually inclined-plane; Or the outer surface of described compressing tablet and the inwall plane-plane contact of described ring set, the outer surface of described compressing tablet is from top to bottom outward-dipping gradually arcwall face, and the inwall of described ring set is from top to bottom outward-dipping gradually arcwall face.

4. elevator traction sheave grooving wearing capacity measuring tool according to claim 3, it is characterized in that: described radial direction through hole is two and is symmetrically distributed on the outer wall of described urceolus, accordingly, described friction disc and above-mentioned compressing tablet are two and are placed in respectively in two described radial direction through hole.

5. elevator traction sheave grooving wearing capacity measuring tool according to claim 1, is characterized in that: described probe is by removably connecting between horizontal rotating shaft and the lower end of described interior slide bar.

6. elevator traction sheave grooving wearing capacity measuring tool according to claim 5, is characterized in that: described probe can rotate around horizontal rotating shaft; Described probe is integrated in one by the little probe of the circle of three different-diameters and forms, and three little probes of described circle are positioned at same vertical plane, and three little probes of described circle are for measuring the grooving of different-diameter.

7. elevator traction sheave grooving wearing capacity measuring tool according to claim 1, is characterized in that: described supporting leg is two and is symmetrically distributed in the both sides of the center line of described urceolus.