CN215217891U

CN215217891U - Steel wire rope tension detector

Info

Publication number: CN215217891U
Application number: CN202121252002.1U
Authority: CN
Inventors: 洪俊; 何献军; 吕晓强; 张国政
Original assignee: Zhejiang Te'an Testing Technology Co ltd
Current assignee: Zhejiang Te'an Testing Technology Co ltd
Priority date: 2021-06-04
Filing date: 2021-06-04
Publication date: 2021-12-17
Anticipated expiration: 2031-06-04

Abstract

The utility model relates to a wire rope tension detector. The problem of among the prior art manual operation judge the distance by oneself to and adopt measuring equipment to measure, there is the inaccuracy of definite distance, influence the measuring result accuracy is solved. The detector comprises a shell, a sliding groove is formed in one end of the shell, a pull rod is movably arranged in the sliding groove, a drag hook is arranged at the front end of the pull rod, a tension detection unit is fixed in the shell, the rear end of the pull rod is connected with the movable end of the tension detection unit, a display screen is arranged on the side face of the shell and connected with the tension unit, and a tension setting mechanism for limiting the pulling distance is arranged on the pull rod. The utility model discloses inject pull rod pulling distance for the detector can both stimulate the distance of settlement when detecting at every turn, keeps the pulling distance fixed, compares the manual work and confirms that the pulling distance is more accurate by observing and feeling, makes the testing result also more accurate. Simple and reasonable structure and convenient operation.

Description

Steel wire rope tension detector

Technical Field

The utility model relates to an elevator technical field especially relates to a wire rope tension detector.

Background

In a vertical elevator or elevator hoisting system, a traction sheave or a friction sheave rotates to drive a steel wire rope to hoist passengers or goods, the most ideal state is that the tension borne by all the steel wire ropes in a group of steel wire ropes is consistent, but the tension of the steel wire ropes is easily uneven in the running process of equipment due to the reasons that the lengths of rope sections of the steel wire ropes are inconsistent, the manufacturing errors of the traction sheave or the friction sheave grooves are inconsistent, the adjustment heights of rope head springs of the steel wire ropes are inconsistent and the like during the installation of the equipment. In the prior art, the tension of each wire rope is generally detected by a tension detection device, and then the wire rope with deviation is adjusted. The detection device is required to pull or push the steel wire ropes in the detection process, each steel wire rope is required to be pulled or pushed by the same distance, the common detection device is not provided with a device for determining the pulling or pushing distance, the pulling or pushing distance is judged by an operator or is measured by a measuring scale, but the distances are determined in the modes inaccurately, so that the pulling or pushing distances are inconsistent, and the measurement structure is inaccurate. In addition, the general detection device has a complex structure and is inconvenient to operate.

Disclosure of Invention

The utility model discloses mainly solved among the prior art manual operation and judged the distance by oneself to and adopt measuring equipment to measure, there is the definite distance inaccuracy, influences the problem of measuring result accuracy, provides a wire rope tension detector.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a wire rope tension detector, includes the casing, is provided with the spout in casing one end, and the activity is provided with the pull rod in the spout, and the pull rod front end is provided with the drag hook, is fixed with the pulling force detecting element in the casing, and the pull rod rear end is connected with the expansion end of pulling force detecting element, is provided with the display screen on the casing side, and the display screen is connected with the pulling force unit be provided with the pulling force settlement mechanism of injecing the pulling distance on the pull rod. The utility model discloses the drag hook is used for hooking wire rope, pulling casing, and pulling force detecting element together removes rather than integrative fixed casing, and the pull rod is connected with the drag hook and is fixed, and pulling in-process pulling force detecting element detects the pulling force to with data processing back on the display screen go on showing. The pull rod pulling distance is limited by the pulling force setting mechanism, so that the detector can be pulled to the set distance when detecting at every time, the pulling distance is kept fixed, and the pulling distance is determined more accurately by observing and feeling compared with the manual work, and the detection result is more accurate.

As a preferable scheme of the above scheme, the tension setting mechanism includes a limiting post disposed at the rear end of the pull rod and a limiting groove disposed on the side wall of the sliding groove, the limiting groove is disposed along the length direction of the sliding groove, two ends of the limiting groove are closed, openings at the upper end and the lower end of the limiting groove communicate with the sliding groove and the outside, and the limiting post is inserted into the limiting groove. The length of spacing groove has injectd the distance that the pull rod was pulled in this scheme, and when the pulling pull rod, spacing post was right back preceding removal in the spacing inslot, knows that spacing post supports the front end at the spacing groove, keeps this state and obtains the pulling force under this pulling distance, keeps pulling distance fixed through the spacing groove for can both be accurate at every turn detect wire rope's tension under the same pulling distance. Compared with a common detector, the pulling distance is determined by observing by an operator, and the detection is more accurate.

As an optimal scheme of the scheme, a pulling distance adjusting mechanism is arranged on the limiting groove and comprises a limiting plate, the limiting plate is positioned in an opening at the upper end of the limiting groove and is connected in the limiting groove in a sliding mode, and a fastening mechanism is arranged on the limiting plate. The length of spacing groove can be adjusted through pulling distance adjustment mechanism in this scheme, adjusts the distance that spacing post removed in the spacing inslot promptly. Limiting plate sliding connection is on spacing groove upper end opening, removes on the spacing groove, removes to fix through fastening device after setting for the position, and spacing post displacement has been injectd to the limiting plate after the regulation, and the user can adjust the pulling distance as required, more nimble carry out wire rope tension test.

As an optimal scheme of above-mentioned scheme, the limiting plate includes the dog, and the dog inlays to be put at the spacing inslot, is connected with the baffle that is located the spacing inslot in the sliding part upper end, and the baffle width is greater than spacing groove opening width, and the baffle card is put outside the spacing groove, is provided with the slide at the dog lower extreme, and the dog vertical fixation is in the middle of slide one side border, and the slide both ends form the slip strip in sliding part both sides, correspond on the wall of spacing groove both sides and be provided with the adjustment tank, slip strip sliding connection is in the adjustment tank. Limiting plate card is put in the upper end opening of spacing groove in this scheme, and leads to the cooperation of slip strip and adjustment tank for the limiting plate slides in spacing groove upper end opening, with the pulling distance of adjusting the spacing inslot. The baffle plate covers the limiting groove, the baffle plate, the sliding plate and the stop block are connected to form a structure with an I-shaped section, and the limiting plate is clamped in the opening at the upper end of the limiting groove. In addition, the baffle is connected with a fastening mechanism, and the fastening mechanism fixes the baffle and the shell after the limiting plate is adjusted, so that the limiting plate is prevented from loosening.

As a preferable scheme of the above scheme, the baffle plate comprises an upright part and a horizontal part, the upright part is vertically connected to one side edge of the horizontal part, the fastening mechanism is arranged on the horizontal part, the fastening mechanism comprises a hand screw, a threaded hole is correspondingly arranged on the horizontal part, and the hand screw is screwed in the threaded hole to form a fixation with the housing. In the scheme, the fastening mechanisms comprise a plurality of fastening mechanisms, and generally, one fastening mechanism is arranged on each of two sides of the horizontal part to stably fix the horizontal part. Fastening device adopts hand-operated screw, and the bare-handed operation of scheme operator is more convenient, has seted up threaded hole on the horizontal part on spacing groove both sides respectively, and the screw hole runs through the horizontal part, twists the screw hole with hand-operated screw, knows hand-operated screw front end top on the casing, fixes the horizontal part on the casing, is about to fix the baffle, has injectd spacing groove pulling distance.

As a preferable mode of the above, an operation key is further provided on the side surface of the housing, and the operation key is connected to the tension detecting unit. Can set up tension detecting element through the operating key in this scheme for tension detecting element can carry out multiple calculation, with satisfy different calculation demands, and through the demonstration of operating key control on the display screen.

As a preferable mode of the above mode, a grip is provided at a rear end of the housing. The grab handle is arranged, so that an operator can better hold the detector to operate, and the hand is prevented from being taken off. The grab handle is provided with a holding groove simulating the shape of fingers, so that an operator can hold the grab handle more tightly and comfortably.

The utility model has the advantages that: the pull rod pulling distance is limited by the pulling force setting mechanism, so that the detector can be pulled to the set distance when detecting at every time, the pulling distance is kept fixed, and the pulling distance is determined more accurately by observing and feeling compared with the manual work, and the detection result is more accurate. The structure is simpler and more reasonable, and the operation is convenient. The pulling distance can be adjusted as required, and the steel wire rope tension test can be carried out more flexibly.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic view of a baffle of the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 1.

1-shell 2-pull rod 3-drag hook 4-tension detection unit 5-sliding chute 6-display screen 7-spacing column 8-spacing groove 9-spacing plate 10-stop block 11-baffle 12-sliding plate 13-sliding strip 14-adjusting groove 15-upright part 16-horizontal part 17-operating key 18-grab handle 19-hand screw.

Detailed Description

The technical solution of the present invention is further described below by way of examples and with reference to the accompanying drawings.

Example (b):

the steel wire rope tension detector of the embodiment is shown in fig. 1 and 2, and comprises a shell 1, a sliding groove 5 arranged along the length direction is arranged at the front end of the shell, a pull rod 2 is movably arranged in the sliding groove, and the shape of the sliding groove is matched with that of the pull rod. The front end of the pull rod extends out of the shell, and the front end of the pull rod is connected with a drag hook 3. A tension detection unit 4 is fixed in the shell, adopts the existing tension meter, and is fixed with the shell into a whole after being installed in the shell. The rear end of the pull rod is connected with the movable end of the tension detection unit, a display screen 6 and an operation key 17 are arranged on the side face of the shell, the display screen and the operation key are respectively connected to a control circuit board, the control circuit board is also connected with the tension detection unit, and the operation key and the display screen are respectively connected with the garbage detection unit. For pulling convenience, a handle 18 is provided at the rear end of the housing, and a grip groove imitating the shape of a finger is provided on the handle.

A pulling force setting mechanism for limiting the pulling distance is arranged on the pull rod, and as shown in fig. 1, the pulling force setting mechanism comprises a limiting column 7 arranged at the rear end of the pull rod 2 and a limiting groove 8 arranged on the side wall of the sliding groove. The limiting groove is arranged on the upper portion of the sliding groove, the limiting groove is arranged along the length direction of the sliding groove, two ends of the limiting groove are sealed, openings at the upper end and the lower end of the limiting groove are communicated with the sliding groove and the outside, and the limiting column is inserted into the limiting groove. The length of spacing groove has injectd the distance that the pull rod was pulled, and the pulling pull rod makes spacing post move to the front end and support on the front end by spacing groove rear end, and the distance of pulling at every turn is all the same, can be so that the accuracy of detecting is higher.

The moving distance of the pull rod is different according to needs, and is generally not less than 100 mm. A pulling distance adjusting mechanism is arranged on the limiting groove 8. The pulling distance adjusting mechanism comprises a limiting plate 9, the limiting plate is positioned in an opening at the upper end of the limiting groove and is connected in the limiting groove in a sliding mode, and a fastening mechanism is arranged on the limiting plate. As shown in fig. 2 and 3, the limiting plate 9 includes a stopper 10, the stopper is embedded in the limiting groove 8, the upper end of the sliding part is connected with a baffle 11 located outside the limiting groove, the width of the baffle is greater than the opening width of the limiting groove, the baffle is clamped outside the limiting groove, the lower end of the stopper is provided with a sliding plate 12, the stopper is vertically fixed in the middle of the edge of one side of the sliding plate, the two ends of the sliding plate form sliding strips 13 on the two sides of the sliding part, the two side walls of the limiting groove 8 are correspondingly provided with adjusting grooves 14, and the sliding strips are slidably connected in the adjusting grooves. Specifically, the baffle 11 includes an upright portion 15 and a horizontal portion 16, the upright portion is vertically connected to one side edge of the horizontal portion, the fastening mechanism is disposed on the horizontal portion, the fastening mechanism includes a hand screw 19, a threaded hole is correspondingly disposed on the horizontal portion, and the hand screw is screwed in the threaded hole to be fixed with the housing.

During operation, adjust the pulling distance through the pulling limiting plate, fix through fastening device after adjusting. Operating personnel hand-held device hooks wire rope with the drag hook, pulling device, supports at the spacing groove front end until spacing post, and the distance that stimulates promptly is the same, shows the pulling force this moment on the display screen, and the pulling force value of present wire rope is noted to the pulling force detecting element simultaneously. And then, carrying out tension detection on each steel wire rope, and after the detection is finished, selectively calculating the tension deviation value and the deviation degree of each steel wire rope through operating keys and displaying the tension deviation value and the deviation degree on a display screen. The deviation value calculation method comprises the following steps: maximum measured tension-average measured tension. The deviation degree calculation method comprises the following steps: (maximum value of measured tension-average value of measured tension)/average value of measured tension, and is qualified according to the deviation degree being less than or equal to 5%; and if the deviation degree is more than 5 percent, the display screen is unqualified and displays on the display screen.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Although the terms housing, tie rod, draw hook, tension detection unit, runner, etc. are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. A wire rope tension detector is characterized in that: the pull-type tension device comprises a shell (1), wherein a sliding groove (5) is formed in one end of the shell, a pull rod (2) is movably arranged in the sliding groove, a drag hook (3) is arranged at the front end of the pull rod, a tension detection unit (4) is fixed in the shell, the rear end of the pull rod is connected with the movable end of the tension detection unit, a display screen (6) is arranged on the side face of the shell and connected with the tension unit, and a tension setting mechanism for limiting the pulling distance is arranged on the pull rod.

2. The tension detector according to claim 1, wherein the tension setting mechanism comprises a limit post (7) disposed on the rear end of the pull rod (2) and a limit groove (8) formed in the side wall of the sliding groove, the limit groove is disposed along the length direction of the sliding groove, the two ends of the limit groove are closed, the upper and lower ends of the limit groove are open to communicate the sliding groove and the outside, and the limit post is inserted into the limit groove.

3. A steel wire rope tension detector according to claim 2, wherein a pulling distance adjusting mechanism is provided on the limit groove (8), the pulling distance adjusting mechanism comprises a limit plate (9) which is located in the upper end opening of the limit groove and slidably connected in the limit groove, and a fastening mechanism is provided on the limit plate.

4. The steel wire rope tension detector according to claim 3, wherein the limiting plate (9) comprises a stop block (10), the stop block is embedded in the limiting groove (8), a baffle (11) outside the limiting groove is connected to the upper end of the sliding portion, the width of the baffle is larger than the opening width of the limiting groove, the baffle is clamped outside the limiting groove, a sliding plate (12) is arranged at the lower end of the stop block, the stop block is vertically fixed to the middle of the edge of one side of the sliding plate, sliding strips (13) are formed at the two ends of the sliding plate on the two sides of the sliding portion, adjusting grooves (14) are correspondingly arranged on the two side walls of the limiting groove (8), and the sliding strips are slidably connected in the adjusting grooves.

5. A steel wire rope tension tester according to claim 4, wherein the baffle (11) comprises an upright part (15) and a horizontal part (16), the upright part is vertically connected to one side edge of the horizontal part, the fastening mechanism is arranged on the horizontal part, the fastening mechanism comprises a hand screw (19), a threaded hole is correspondingly arranged on the horizontal part, and the hand screw is screwed in the threaded hole to form a fixed connection with the housing.

6. A steel rope tension detector according to any one of claims 1 to 5, wherein an operating key (17) is provided on the side of the housing (1), the operating key being connected to the tension detecting unit (4).

7. A cable tension meter according to any one of claims 1 to 5, wherein a grip (18) is provided at the rear end of the housing.