Elevator steel wire rope performance testing device

Abstract

The invention relates to the technical field of steel wire rope testing, and discloses an elevator steel wire rope performance testing device which comprises a connecting transverse plate and a mounting frame fixedly mounted at the top end of the connecting transverse plate. A movable clamping assembly capable of moving horizontally is arranged above the connecting transverse plate through a pushing assembly, a to-be-detected elevator steel wire rope is clamped between the fixed clamping assembly and the movable clamping assembly, and a tension detector capable of moving in the axial direction is fixedly connected to the lower portion of the mounting frame through a telescopic assembly. A linear moving assembly is arranged on the inner side of the connecting transverse plate, and a flaw detection device capable of transversely moving is arranged on the outer side of the linear moving assembly. The elevator steel wire rope performance testing device has the advantages that the overall tension performance detection operation is simple, and the reliability of detection data is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of steel wire rope testing, in particular to a performance testing device for elevator steel wire rope. BACKGROUND

[0002] The elevator steel wire rope is a core component of the elevator, twisted by high-strength steel wire, containing strands and cores, and the surface can be plated with zinc for corrosion prevention, used for load bearing and traction, and needs to meet the GB / T8903-2018 standard, and needs to be regularly inspected for broken wires, wear and tear, etc., and good lubrication and tension adjustment are required, and replacement is required when the scrap standard is reached, which is a key guarantee for safe operation.

[0003] After the production of the elevator steel wire rope is completed, tension testing is required, and the existing technology mainly relies on manual detection, although the elevator steel wire rope test data can be detected, but the manual detection is greatly affected by the personnel's skills and experience during the testing process, and is prone to operation errors, and the efficiency of item-by-item measurement is low, and it is difficult to meet the batch detection demand, and the manual recognition ability of subtle abnormalities is insufficient, and long-time operation is prone to fatigue, resulting in reduced testing reliability, therefore, a performance testing device for elevator steel wire rope is proposed to solve the above problems. SUMMARY

[0004] (I) Technical problems solved In view of the deficiencies of the prior art, the present application provides a performance testing device for elevator steel wire rope, which has the advantages of simple overall tension performance detection operation and improved reliability of detection data, and solves the problems of manual detection being greatly affected by personnel's skills and experience during the testing process, being prone to operation errors, low efficiency of item-by-item measurement, being difficult to meet the batch detection demand, insufficient manual recognition ability of subtle abnormalities, and long-time operation being prone to fatigue, resulting in reduced testing reliability.

[0005] (II) Technical solutions The technical solutions of the present application to solve the above technical problems are as follows: a performance testing device for elevator steel wire rope, comprising a connecting horizontal plate and a mounting bracket fixedly installed at the top end of the connecting horizontal plate, a fixed clamping assembly is fixedly connected to the top end of the connecting horizontal plate, a movable clamping assembly horizontally displaceable is arranged above the connecting horizontal plate through a pushing assembly, a to-be-detected elevator steel wire rope is clamped between the fixed clamping assembly and the movable clamping assembly, a tension detector axially movable is fixedly connected to the lower side of the mounting bracket through an extension assembly, a straight line moving assembly is arranged on the inner side of the connecting horizontal plate, and a flaw detection device laterally movable is arranged on the outer side of the straight line moving assembly.

[0006] The present application has the following advantages: The performance testing device for elevator steel wire rope has the advantages of simple overall tension performance detection operation and improved reliability of detection data.

[0007] On the basis of the above technical solutions, the application can be further improved as follows.

[0008] Further, the fixed clamping assembly comprises a first arc-shaped fixed block fixedly connected to the top end of the connecting horizontal plate, a fixed air cylinder fixedly connected to the top end of the connecting horizontal plate in a vertical manner through a fixed frame, and a second arc-shaped fixed block fixedly connected to the bottom end of the telescopic end of the fixed air cylinder, the first arc-shaped fixed block and the second arc-shaped fixed block are oppositely arranged, and the inner arc surfaces of the first arc-shaped fixed block and the second arc-shaped fixed block jointly form a clamping space matched with the outer diameter of the elevator steel wire rope to be detected.

[0009] The beneficial effect of the above further scheme is that the fixed clamping assembly can fix the position of one end of the elevator steel wire rope to be detected.

[0010] Further, the pushing assembly comprises a pushing air cylinder fixedly connected to the outer side of the connecting horizontal plate, a pushing block fixedly connected to the outer side of the telescopic end of the pushing air cylinder, and a pushing plate fixedly connected to the top end of the pushing block, and the pushing plate is located above the connecting horizontal plate.

[0011] The beneficial effect of the above further scheme is that the pushing assembly can move the movable clamping assembly left and right.

[0012] Further, the movable clamping assembly comprises a first arc-shaped movable block fixedly connected to the top end of the pushing plate, a movable air cylinder fixedly connected to the top end of the pushing plate in a vertical manner through a movable frame, and a second arc-shaped movable block fixedly connected to the bottom end of the telescopic end of the movable air cylinder, the first arc-shaped movable block and the second arc-shaped movable block are oppositely arranged, and the inner arc surfaces of the first arc-shaped movable block and the second arc-shaped movable block jointly form a clamping space matched with the outer diameter of the elevator steel wire rope to be detected.

[0013] The beneficial effect of the above further scheme is that the movable clamping assembly can fix the other end of the elevator steel wire rope to be detected.

[0014] Further, the telescopic assembly comprises a telescopic air cylinder fixedly connected to the top end of the mounting frame, and a telescopic plate fixedly connected to the bottom end of the telescopic end of the telescopic air cylinder, and the outer side of the telescopic plate is fixedly connected to the outer side of the tension detector.

[0015] The beneficial effect of the above further scheme is that the telescopic assembly can move the tension detector up and down.

[0016] Further, the tension detector is located directly above the elevator steel wire rope to be detected, the top end of the telescopic plate is fixedly connected to two limiting stop rods, the inner side of the mounting frame is provided with a limiting sliding hole matched with the limiting stop rod, and the limiting stop rod and the limiting sliding hole form a linear sliding pair.

[0017] Further, the straight line moving assembly comprises a driving motor fixedly connected to the outer side of the connecting horizontal plate, a driving threaded rod fixedly connected to the outer side of the output shaft of the driving motor, and a driving threaded sleeve threadedly connected to the outer side of the driving threaded rod.

[0018] Further, the flaw detection device comprises a flaw detection frame fixedly connected to the top end of the driving threaded sleeve, and a flaw detection instrument fixedly connected to the outer side of the flaw detection frame, wherein the flaw detection instrument is in a circular ring structure and is sleeved to the outer side of the elevator steel wire rope to be detected. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic view of the present application; Figure 2 It is a connecting view of the driving threaded rod and the driving threaded sleeve of the present application; Figure 3 It is a half sectional view of the structure of the present application; Figure 4 It is a partial sectional view of the structure of the present application; Figure 5 It is a connecting view of the flaw detection frame and the flaw detection instrument of the present application; Figure 6 It is a connecting view of the telescopic plate and the limiting stop rod of the present application.

[0020] In the figure: 1, connecting horizontal plate; 2, mounting frame; 3, fixed clamping assembly; 31, first arc-shaped fixed block; 32, fixed frame; 33, fixed air cylinder; 34, second arc-shaped fixed block; 4, pushing assembly; 41, pushing air cylinder; 42, pushing block; 43, pushing plate; 5, moving clamping assembly; 51, first arc-shaped moving block; 52, moving frame; 53, moving air cylinder; 54, second arc-shaped moving block; 6, elevator steel wire rope to be detected; 7, telescopic assembly; 71, telescopic air cylinder; 72, telescopic plate; 8, tension detector; 9, straight line moving assembly; 91, driving motor; 92, driving threaded rod; 93, driving threaded sleeve; 10, flaw detection device; 101, flaw detection frame; 102, flaw detection instrument; 11, limiting stop rod. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0022] In the embodiments, the telescopic plate 72 is fixedly connected to the outer side of the telescopic air cylinder 71, and the telescopic air cylinder 71 is fixedly connected to the outer side of the telescopic plate 72. Figures 1-6The utility model provides a kind of elevator steel wire rope performance testing device, the utility model includes connecting cross plate 1 and fixedly installed mounting bracket 2 at its top, the top of connecting cross plate 1 is fixedly connected with fixed clamping component 3, movable clamping component 5 of being horizontally displaceable is provided with on the top of connecting cross plate 1 by push component 4, clamping has the elevator steel wire rope 6 to be detected between fixed clamping component 3 and movable clamping component 5, the tension detector 8 of being movable along the axial direction is fixedly connected with below mounting bracket 2 by telescopic component 7, the detection end of the tension detector 8 is towards the elevator steel wire rope 6 to be detected to real-time acquisition tension data, the inside of connecting cross plate 1 is provided with linear moving component 9, the outside of linear moving component 9 is provided with flaw detection device 10 of being transversely movable, which is arranged around the elevator steel wire rope 6 to be detected to realize circumferential and radial defect detection.

[0023] The structure realizes the clamping fixation, tension test and surface flaw detection of the elevator steel wire rope 6 to be detected by the cooperation of each component, and each component has clear division of labor and mutual cooperation, so that the test device can comprehensively and accurately test the performance of the elevator steel wire rope, and the efficiency and accuracy of the test are improved.

[0024] The fixed clamping component 3 includes a first arc-shaped fixed block 31 fixedly connected to the top end of the connecting cross plate 1, a fixed cylinder 33 vertically fixedly connected to the top end of the connecting cross plate 1 through a fixed frame 32, and a second arc-shaped fixed block 34 fixedly connected to the bottom end of the telescopic end of the fixed cylinder 33, the first arc-shaped fixed block 31 and the second arc-shaped fixed block 34 are oppositely arranged, and the inner arc surfaces of the first arc-shaped fixed block 31 and the second arc-shaped fixed block 34 jointly form a clamping space matched with the outer diameter of the elevator steel wire rope 6 to be detected, and the clamping and release of the elevator steel wire rope 6 to be detected are realized through the telescopic action of the fixed cylinder 33.

[0025] The fixed clamping component 3 can form a suitable clamping space according to the outer diameter of the elevator steel wire rope 6 to be detected through the cooperation of the first arc-shaped fixed block 31 and the second arc-shaped fixed block 34, and the automatic fixation of the elevator steel wire rope 6 to be detected is realized by the fixed cylinder 33, which is convenient to operate, stable in fixation effect, and ensures the fixation reliability of one end of the steel wire rope during the test.

[0026] The push component 4 includes a push cylinder 41 fixedly connected to the outer side of the connecting cross plate 1, a push block 42 fixedly connected to the outer side of the telescopic end of the push cylinder 41, and a push plate 43 fixedly connected to the top end of the push block 42, the push plate 43 is located above the connecting cross plate 1, and the movable clamping component 5 is driven to move along the horizontal guide track through the reciprocating telescopic drive of the push cylinder 41.

[0027] The pushing assembly 4 drives the pushing block 42 and the pushing plate 43 to move horizontally through the telescopic movement of the pushing cylinder 41, so as to realize the horizontal displacement of the moving clamping assembly 5, facilitate the adjustment of the position of the elevator steel wire rope 6 to be detected, and provide convenience for subsequent tension test and other operations, so as to ensure that the steel wire rope can be straightened and the accuracy of test data is ensured.

[0028] The moving clamping assembly 5 includes a first arc-shaped moving block 51 fixedly connected to the top end of the pushing plate 43, a moving cylinder 53 vertically fixedly connected to the top end of the pushing plate 43 through a moving frame 52, and a second arc-shaped moving block 54 fixedly connected to the bottom end of the telescopic end of the moving cylinder 53, the first arc-shaped moving block 51 and the second arc-shaped moving block 54 are oppositely arranged, and the inner arc surfaces of the first arc-shaped moving block 51 and the second arc-shaped moving block 54 jointly form a clamping space matched with the outer diameter of the elevator steel wire rope 6 to be detected.

[0029] The moving clamping assembly 5 can clamp the two ends of the elevator steel wire rope 6 to be detected together with the fixed clamping assembly 3 through the cooperation of the first arc-shaped moving block 51 and the second arc-shaped moving block 54, and the moving cylinder 53 is used for automatic clamping, and the pushing assembly 4 can move horizontally with the pushing plate 43, so as to facilitate the adjustment of the position of the steel wire rope, ensure that the two ends of the steel wire rope are fixed firmly during the test, and the tension degree of the steel wire rope can be adjusted according to the test requirement.

[0030] The telescopic assembly 7 includes a telescopic cylinder 71 fixedly connected to the top end of the mounting frame 2 and a telescopic plate 72 fixedly connected to the bottom end of the telescopic end of the telescopic cylinder 71, and the outer side of the telescopic plate 72 is fixedly connected with the outer side of the tension detector 8.

[0031] The telescopic assembly 7 drives the telescopic plate 72 and the tension detector 8 to move along the axial direction through the telescopic movement of the telescopic cylinder 71, so as to realize the accurate adjustment of the position of the tension detector 8 in the vertical direction, ensure that the tension detector 8 can accurately test the tension of the elevator steel wire rope 6 to be detected, and improve the accuracy and convenience of the test.

[0032] The tension detector 8 is located directly above the elevator steel wire rope 6 to be detected, the top end of the telescopic plate 72 is fixedly connected with two limiting stop rods 11, the inner side of the mounting frame 2 is provided with limiting sliding holes matched with the limiting stop rods 11, and the limiting stop rods 11 and the limiting sliding holes form a linear sliding pair.

[0033] The linear sliding pair formed by the limiting stop rods 11 and the limiting sliding holes can limit the movement direction of the telescopic plate 72, so as to ensure that the tension detector 8 remains stable when moving along the axial direction and does not deviate laterally, so as to ensure that the tension detector 8 can accurately contact the elevator steel wire rope 6 to be detected, and improve the accuracy and reliability of the tension test.

[0034] The linear moving assembly 9 comprises a driving motor 91 fixedly connected to the outer side of the connecting horizontal plate 1, a driving threaded rod 92 fixedly connected to the outer side of the output shaft of the driving motor 91, and a driving threaded sleeve 93 threadedly connected to the outer side of the driving threaded rod 92.

[0035] The linear moving assembly 9 drives the driving threaded rod 92 to rotate by the driving motor 91, and drives the driving threaded sleeve 93 to move horizontally by the threaded transmission, thereby providing stable horizontal moving power for the flaw detection device 10, and enabling the flaw detection device 10 to accurately move horizontally inside the connecting horizontal plate 1, and ensuring that the flaw detection device 10 can comprehensively detect the surface of the elevator steel wire rope 6 to be detected.

[0036] The flaw detection device 10 comprises a flaw detection frame 101 fixedly connected to the top end of the driving threaded sleeve 93, and a flaw detection instrument 102 fixedly connected to the outer side of the flaw detection frame 101. The flaw detection instrument 102 has a circular ring structure and is sleeved outside the elevator steel wire rope 6 to be detected. The detection area of the flaw detection instrument 102 covers the circumferential surface and the internal metal structure of the elevator steel wire rope 6 to be detected. The flaw detection instrument 102 is driven by the linear moving assembly 9 to realize automatic flaw detection of the entire length of the steel wire rope.

[0037] The flaw detection device 10 is sleeved outside the elevator steel wire rope 6 to be detected by the circular ring-shaped flaw detection instrument 102, and can comprehensively detect the surface of the elevator steel wire rope 6 to be detected. Meanwhile, the flaw detection device 10 moves horizontally under the driving of the linear moving assembly 9, thereby realizing full coverage detection of the surface of the steel wire rope and improving the comprehensiveness and accuracy of the detection, and providing reliable data support for judging the performance of the elevator steel wire rope.

[0038] Working principle: When the tension of the elevator steel wire rope 6 to be detected needs to be tested, the elevator steel wire rope 6 to be detected is placed on the top end of the first arc-shaped fixed block 31 and the first arc-shaped moving block 51, and the elevator steel wire rope 6 to be detected is inside the flaw detection instrument 102. Then, the fixed cylinder 33 and the moving cylinder 53 are started, and the position of the elevator steel wire rope 6 to be detected is fixed by the second arc-shaped fixed block 34 and the second arc-shaped moving block 54. Then, the telescopic cylinder 71 is started to move the tension detector 8 downward. After the hook outside the tension detector 8 is hung outside the elevator steel wire rope 6 to be detected, the push cylinder 41 is started to straighten the elevator steel wire rope 6 to be detected. The telescopic cylinder 71 is started again to move the tension detector 8 upward. The tension of the elevator steel wire rope 6 to be detected is tested by the tension detector 8. After the test is completed, the tension detector 8 is reset, the driving motor 91 is started to move the flaw detection instrument 102 outside the driving threaded sleeve 93 left and right, and the surface of the elevator steel wire rope 6 to be detected is detected to improve the accuracy of the overall data.

[0039] It has to be noted that, in the present document, the terms "first", "second", etc. merely serve to identify a subject or action, without necessarily requiring or implying any such actual relationship or order between such subjects or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0040] While embodiments of the application have been shown and described, it is to be understood that the application is not limited to the details of the embodiments described, since numerous further modifications and changes can be apparent to one skilled in the art without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. An elevator wire rope performance testing device, comprising a connecting cross plate (1) and a mounting frame (2) fixedly mounted on the top of the connecting cross plate, characterized in that: The top of the connecting transverse plate (1) is fixedly connected to a fixed clamping assembly (3), a horizontally movable movable clamping assembly (5) is provided above the connecting transverse plate (1) via a pushing assembly (4), an elevator wire rope (6) to be tested is clamped between the fixed clamping assembly (3) and the movable clamping assembly (5), a tension detector (8) movable in the axial direction is fixedly connected to the bottom of the mounting frame (2) via a telescopic assembly (7), a linear movable assembly (9) is provided on the inner side of the connecting transverse plate (1), and a laterally movable flaw detection device (10) is provided on the outer side of the linear movable assembly (9).

2. The elevator wire rope performance testing device according to claim 1, characterized in that: The fixed clamping assembly (3) includes a first arc-shaped fixed block (31) fixedly connected to the top of the connecting transverse plate (1), a fixed cylinder (33) vertically fixedly connected to the top of the connecting transverse plate (1) through a fixed frame (32), and a second arc-shaped fixed block (34) fixedly connected to the bottom of the telescopic end of the fixed cylinder (33). The first arc-shaped fixed block (31) and the second arc-shaped fixed block (34) are arranged opposite to each other, and the inner arc surfaces of the first arc-shaped fixed block (31) and the second arc-shaped fixed block (34) together form a clamping space adapted to the outer diameter of the elevator wire rope (6) to be tested.

3. The elevator wire rope performance testing device according to claim 1, characterized in that: The pushing assembly (4) comprises a pushing cylinder (41) fixedly connected to the outside of the connecting transverse plate (1), a pushing block (42) fixedly connected to the outside of the telescopic end of the pushing cylinder (41), and a pushing plate (43) fixedly connected to the top of the pushing block (42), wherein the pushing plate (43) is located above the connecting transverse plate (1).

4. The elevator wire rope performance testing device according to claim 3, characterized in that: The movable clamping assembly (5) comprises a first arc-shaped movable block (51) fixedly connected to the top of the push plate (43), a movable cylinder (53) vertically fixedly connected to the top of the push plate (43) through a movable frame (52), and a second arc-shaped movable block (54) fixedly connected to the bottom of the telescopic end of the movable cylinder (53). The first arc-shaped movable block (51) and the second arc-shaped movable block (54) are arranged opposite to each other, and the inner arc surfaces of the first arc-shaped movable block (51) and the second arc-shaped movable block (54) together constitute a clamping space adapted to the outer diameter of the elevator wire rope (6) to be tested.

5. The elevator wire rope performance testing device according to claim 1, characterized in that: The telescopic assembly (7) comprises a telescopic cylinder (71) fixedly connected to the top of the mounting frame (2) and a telescopic plate (72) fixedly connected to the bottom of the telescopic end of the telescopic cylinder (71), wherein the outer side of the telescopic plate (72) is fixedly connected to the outer side of the tension detector (8).

6. The elevator wire rope performance testing device according to claim 5, characterized in that: The tension detector (8) is located directly above the elevator wire rope (6) to be tested. Two limit bars (11) are fixedly connected to the top of the telescopic plate (72). A limit sliding hole corresponding to the limit bar (11) is opened on the inner side of the mounting frame (2). The limit bar (11) and the limit sliding hole form a linear sliding pair.

7. The elevator wire rope performance testing device according to claim 1, characterized in that: The linear motion assembly (9) comprises a driving motor (91) fixedly connected to the outside of the connecting transverse plate (1), a driving threaded rod (92) fixedly connected to the outside of the output shaft of the driving motor (91), and a driving threaded sleeve (93) connected to the outside of the driving threaded rod (92) via threaded transmission.

8. The elevator wire rope performance testing device according to claim 7, characterized in that: The flaw detection device (10) comprises a flaw detection frame (101) fixedly connected to the top of the driving threaded sleeve (93) and a flaw detection instrument (102) fixedly connected to the outside of the flaw detection frame (101); the flaw detection instrument (102) is an annular structure and is sleeved on the outside of the elevator wire rope (6) to be detected.

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