CN112798522B - Steel wire rope and friction liner multidirectional vibration test device and test method thereof - Google Patents

Abstract

The invention discloses a multidirectional vibration test device for a steel wire rope and a friction pad and a test method thereof. It includes a frame, a longitudinal vibration component arranged on the side of the frame, a lateral vibration component arranged on the top of the frame, and a friction monitoring component arranged on the top of the frame; A roller is arranged between the component and the lateral vibration component, and the longitudinal vibration component is connected with a wire rope. The wire rope bypasses the roller and passes through the lateral vibration component and the friction monitoring component. One end is fixedly connected to the frame; the longitudinal vibration component is provided with a longitudinal vibration part for generating longitudinal vibration of the wire rope; The invention can provide data support for revealing the friction mechanism between the steel wire rope and the pad under the multi-directional vibration state.

Description

A multi-directional vibration test device and test method for steel wire rope and friction pad

technical field

The invention relates to the field of mining machinery and equipment, in particular to a multidirectional vibration test device for a steel wire rope and a friction pad and a test method thereof.

Background technique

As a key component of coal transportation from underground to surface, the reliability of its transmission performance is directly related to the lifting efficiency and safety of the mine. At present, due to the increase of the mining depth of the mine and the improvement of the lifting speed, the vibration of the steel wire rope is more and more obvious due to its elastic characteristics. The contact state of the two is directly related to the stability of the friction force. Since the liner is a high-molecular polymer, its viscoelastic property has a complex response to vibration. Therefore, it is necessary to develop a vibration-friction experimental facility, which has been tested in The friction behavior of the wire rope and the pad under different vibration parameters, and the vibration-friction coupling characteristics of the wire rope and the pad are revealed through the friction experiment of the partial western view, which is the development of the high-performance pad for anti-vibration and friction enhancement and the high-quality friction hoist. The design and manufacture provide a theoretical basis.

CN111141514A discloses an experimental device and method for friction loss under multidirectional vibration of steel wire rope and pad. The patent simulates the mechanism of an actual friction hoist, and considers the multidirectional vibration of the steel wire rope, but the contact range between the wire rope and the friction wheel is limited. is 180°, which cannot reflect the microscopic friction mechanism under vibration.

CN104729987B discloses a comprehensive friction detection device and method of steel wire rope and friction pad for hoisting machine. The patent can simulate the cross contact between steel wire rope and steel wire rope in a winding hoist on a testing machine under different working conditions. High-speed sliding friction, creeping Friction and high-speed sliding friction between the wire rope and the friction pad in the friction hoist are three motion behaviors. This experimental device does not consider the friction relationship between the wire rope and the friction pad after the wire rope vibrates.

CN104122198B A friction pad-lifting wire rope dynamic friction transmission test device and method, the patent can realize the friction experiment simulating the circumferential vibration and radial vibration of the wire rope, but the device cannot change the direction of the radial vibration of the wire rope, in the research process There are still many deficiencies.

The problems existing in the prior art mainly include: (1) the vibration of the wire rope during the actual friction lifting process is not considered; (2) the vibration is considered, but the local vibration-friction coupling mechanism cannot be reflected or studied.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a multi-directional vibration test device and a test method for a wire rope and a friction pad to solve the above problems and provide data support for revealing the friction mechanism between the wire rope and the pad under multi-directional vibration.

For achieving the above object, the present invention provides following scheme:

A multi-directional vibration test device for a steel wire rope and a friction pad, comprising a frame, a longitudinal vibration assembly arranged on the side of the frame, a lateral vibration assembly arranged on the top of the frame, and a frictional vibration assembly arranged at the top of the frame monitoring components;

The longitudinal vibration assembly, the lateral vibration assembly, and the friction monitoring assembly are arranged in sequence, and a roller is arranged between the longitudinal vibration assembly and the lateral vibration assembly. The longitudinal vibration assembly is connected with a wire rope, and the wire rope goes around the roller. and is arranged through the lateral vibration component and the friction monitoring component, the friction monitoring component is provided with a friction pad, and the end of the wire rope away from the longitudinal vibration component is fixedly connected to the frame;

The longitudinal vibration component is provided with a longitudinal vibration part for generating longitudinal vibration of the steel wire rope, the lateral vibration component is provided with a lateral vibration part for generating lateral vibration on the steel wire rope, and a sensor component is provided on the steel rope.

Preferably, the longitudinal vibration assembly includes a first bottom plate that is vertically and fixedly connected to the side of the frame, a side of the first bottom plate away from the frame is fixedly connected with a first sliding rail, and the first sliding rail is fixed to the side of the frame. Both ends of the rail are provided with first limiting blocks, the first sliding rail is slidably fitted with a first sliding plate, the bottom of the first sliding plate is fixedly connected with a counterweight, and the first bottom plate is far away from the bottom of the rack. A first clamping block for fixing the wire rope is detachably connected to the top of one side, and the longitudinal vibration part is fixedly connected to the side of the first bottom plate away from the frame.

Preferably, the longitudinal vibration part includes a first servo motor and an eccentric block fixedly connected to the output shaft of the first servo motor, and the body of the first servo motor is fixedly connected to the first bottom plate.

Preferably, the lateral vibration assembly includes a second bottom plate fixedly connected to the top of the frame, a second sliding rail is fixedly connected to the side wall of the second bottom plate, the second sliding rail is arranged in parallel with the steel wire rope, and the The second sliding rail is slidably fitted with a second sliding plate, the second sliding plate is provided with an arc-shaped chute, a sliding bearing is slidably fitted in the arc-shaped chute, and two end faces of the arc-shaped chute are respectively provided with There is a first pressing plate, the first pressing plate is provided with a shaft hole for installing the sliding bearing, the two first pressing plates are connected with a first pressing handle through a thread, and the second sliding plate is fixed A ring gear is connected, a gear is engaged in the ring gear, the ring gear, the arc chute and the steel wire rope are coaxially arranged, and the gear shaft is connected with a third servo motor;

A second pressing plate is fixedly connected to the top side of the second sliding plate close to the second bottom plate, the second pressing plate is provided with an oblong hole, and the top of the second bottom plate is connected with a second pressing handle , the second pressing handle is threadedly connected to the second bottom plate through the second pressing plate;

A support plate is vertically fixedly connected to the side of the second sliding plate away from the roller, the lateral vibration part is fixedly connected to the top surface of the support plate, and the body of the third servo motor is fixed to the bottom surface of the support plate connect.

Preferably, the lateral vibration part includes a second servo motor fixedly connected to the top surface of the support plate, the second servo motor is connected with an eccentric wheel, and a connecting rod is rotatably connected to the edge of the eccentric wheel, and the A second clamping block is rotatably connected to one end of the connecting rod away from the eccentric wheel, the bottom of the second clamping block is slidably fitted with a fourth sliding rail, and the fourth sliding rail is fixedly connected to the top surface of the support plate.

Preferably, the friction monitoring assembly includes a third bottom plate fixedly connected to the top of the rack, a third sliding rail is fixedly connected to the third bottom plate, and a third sliding plate is slidably fitted with the third sliding rail, The bottom of the third sliding plate is provided with a lead screw assembly, the lead screw shaft of the lead screw assembly is connected with a fourth servo motor, the fourth servo motor is fixedly connected with the third bottom plate, and the lead screw assembly is The lead screw is rotatably connected to both ends of the third base plate;

A vertical plate is fixedly connected to the top surface of the third sliding plate, and a fifth sliding rail is vertically fixedly connected to the vertical plate. A tray is fixedly connected to the side of the plate, and a lower pressing wheel is rotatably connected to the side of the vertical slide plate away from the vertical plate. A sensor, the top of the three-dimensional force sensor is fixedly connected to the friction pad, the friction pad is arranged under the lower pressing wheel, and the steel wire rope is arranged in contact with the upper surface of the friction pad.

Preferably, the sensor assembly includes a tension sensor fixedly connected to the end of the wire rope away from the longitudinal vibration assembly and an accelerometer fixedly connected to the wire rope, the accelerometer is arranged on the lateral vibration assembly, friction monitoring between components.

In another preferred solution, the sensor assembly includes a tension sensor fixedly connected to one end of the wire rope away from the longitudinal vibration assembly, and an accelerometer slidably connected to the wire rope, the accelerometer is arranged on the lateral vibration assembly, Between the friction monitoring components, a spring is fixedly connected between the accelerometer and the three-dimensional force sensor, two pulleys are arranged symmetrically up and down the wire rope, and the accelerometer is rotatably connected to the two pulleys.

A test method for a multidirectional vibration test device for a steel wire rope and a friction pad, comprising the following steps:

Step 1, preparatory work, one end of the steel wire rope is fixedly connected to the longitudinal vibration assembly, the steel wire rope goes around the roller and the other end is fixedly connected to the frame through the sensor assembly;

Step 2: Adjust the work, adjust the lateral vibration assembly so that the vibration direction of the lateral vibration assembly meets the test requirements, pass the steel wire rope through the lateral vibration assembly for fixing, and adjust the friction monitoring assembly so that the friction pad is in contact with the steel wire rope.

Step 3, start the test, start the friction monitoring components of the longitudinal vibration part and the lateral vibration part, and obtain the friction contact and friction data between the steel wire rope and the friction pad through the sensor components.

The present invention has the following technical effects:

In the present invention, the longitudinal vibration of the wire rope can be generated by the arrangement of the longitudinal vibration component, and the transverse vibration of the wire rope in different directions can be realized by the arrangement of the transverse vibration component. To monitor the force state of the wire rope, the knot friction monitoring mechanism is provided with a tray that slides up and down, and the friction force of the wire rope and the friction pad can be adjusted at any time, so as to realize the test data collection under the multi-directional vibration and friction state of the wire rope.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the accompanying drawings required in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some of the present invention. In the embodiments, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without creative labor.

Fig. 1 is the structural representation of the present invention;

2 is a schematic diagram of a left-view axonometric structure of the present invention;

Fig. 3 is the partial enlarged structure schematic diagram of A in Fig. 2;

Fig. 4 is the partial enlarged structural schematic diagram of B in Fig. 2;

Figure 5 is a schematic diagram of the left axonometric structure of the lateral vibration assembly;

Figure 6 is a schematic diagram of the right axonometric structure of the lateral vibration assembly;

7 is a schematic diagram of the rear axonometric structure of the present invention;

FIG. 8 is a partial enlarged structural schematic diagram of C in FIG. 7 .

Among them, 1 is the frame, 2 is the longitudinal vibration assembly, 201 is the first bottom plate, 202 is the first sliding rail, 203 is the first limit block, 204 is the first sliding plate, 205 is the counterweight block, and 206 is the first A clamping block, 207 is the first servo motor, 208 is the eccentric block, 3 is the lateral vibration assembly, 301 is the second bottom plate, 302 is the second sliding rail, 303 is the second sliding plate, 3031 is the arc-shaped chute, 3032 is the sliding bearing, 3033 is the support plate, 3034 is the fourth slide rail, 304 is the ring gear, 3041 is the gear, 305 is the first pressing plate, 306 is the second clamping block, 307 is the second servo motor, 3071 is the eccentric wheel, 308 is the connecting rod, 309 is the second pressing plate, 310 is the second pressing handle, 311 is the third servo motor, 312 is the first pressing handle, 4 is the friction monitoring component, 401 is the third Bottom plate, 402 is the third sliding rail, 403 is the screw assembly, 404 is the third sliding plate, 4041 is the fourth servo motor, 405 is the vertical plate, 406 is the three-dimensional force sensor, 4061 is the friction pad, 407 is the vertical Skateboard, 4071 is a pallet, 4072 is a pressing wheel, 5 is a wire rope, 501 is a tension sensor, 502 is an accelerometer, and 6 is a roller.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.

Example 1:

1-8, the present embodiment provides a multi-directional vibration test device for a steel wire rope and a friction pad, including a frame 1, a longitudinal vibration assembly 2 arranged on the side of the frame 1, and a transverse vibration assembly 2 arranged on the top of the frame 1. The vibration component 3 and the friction monitoring component 4 arranged on the top of the frame 1;

The longitudinal vibration assembly 2, the lateral vibration assembly 3, and the friction monitoring assembly 4 are arranged in sequence, and a roller 6 is arranged between the longitudinal vibration assembly 2 and the lateral vibration assembly 3. The longitudinal vibration assembly 2 is connected with a wire rope 5, and the wire rope 5 bypasses the roller 6. And through the lateral vibration assembly 3, the friction monitoring assembly 4 is provided, the friction monitoring assembly 4 is provided with a friction pad 4061, and the end of the wire rope 5 away from the longitudinal vibration assembly 2 is fixedly connected to the frame 1;

The longitudinal vibration assembly 2 is provided with a longitudinal vibration part that makes the wire rope 5 vibrate longitudinally; the lateral vibration assembly 3 is provided with a lateral vibration part that makes the wire rope 5 vibrate laterally, and the steel wire rope 5 is provided with a sensor assembly.

To further optimize the solution, the longitudinal vibration assembly 2 includes a first bottom plate 201 vertically and fixedly connected to the side of the rack 1, and a first slide rail 202 is fixedly connected to the side of the first bottom plate 201 away from the rack 1, and the first slide rail 202 is two A first limit block 203 is provided at the end, the first sliding rail 202 is slidably fitted with a first sliding plate 204 , the bottom of the first sliding plate 204 is fixedly connected with a counterweight 205 , and the top of the side of the first bottom plate 201 away from the rack 1 A first clamping block 206 for fixing the steel wire rope 5 is detachably connected, and the longitudinal vibration part is fixedly connected to the side of the first bottom plate 201 away from the frame 1 .

In a further optimized solution, the longitudinal vibration part includes a first servo motor 207 and an eccentric block 208 fixedly connected to the output shaft of the first servo motor 207 , and the body of the first servo motor 207 is fixedly connected to the first base plate 201 .

To further optimize the solution, the lateral vibration assembly 3 includes a second bottom plate 301 fixedly connected to the top of the frame 1, the side wall of the second bottom plate 301 is fixedly connected with a second slide rail 302, the second slide rail 302 is arranged in parallel with the wire rope 5, the second The sliding rail 302 is slidably fitted with a second sliding plate 303 , and an arc-shaped sliding slot 3031 is opened on the second sliding plate 303 . A sliding bearing 3032 is slidably fitted in the arc-shaped sliding slot 3031 , and two end surfaces of the arc-shaped sliding slot 3031 are respectively provided with The first pressing plate 305, the first pressing plate 305 is provided with a shaft hole for installing the sliding bearing 3032, the two first pressing plates 305 are connected with the first pressing handle 312 by screwing, and the second sliding plate 303 is fixedly connected There is a ring gear 304, a gear 3041 is engaged with the gear ring 304, the ring gear 304, the arc chute 3031 and the wire rope 5 are coaxially arranged, and the gear 3041 is connected with a third servo motor 311;

A second pressing plate 309 is fixedly connected to the top side of the second sliding plate 303 close to the second bottom plate 301 , the second pressing plate 309 is provided with an oblong hole, and the top of the second bottom plate 301 is connected with a second pressing handle 310 . Two pressing handles 310 are threadedly connected to the second bottom plate 301 through the second pressing plate 309;

The side of the second sliding plate 303 away from the roller 6 is vertically fixedly connected with a support plate 3033 , the top surface of the support plate 3033 is fixedly connected with a lateral vibration part, and the body of the third servo motor 311 is fixedly connected to the bottom surface of the support plate 3033 .

To further optimize the solution, the lateral vibration part includes a second servo motor 307 fixedly connected to the top surface of the support plate 3033, the second servo motor 307 is connected with an eccentric wheel 3071, and the edge of the eccentric wheel 3071 is rotatably connected to a connecting rod 308, and the connecting rod 308 A second clamping block 306 is rotatably connected to one end away from the eccentric wheel 3071 , the bottom of the second clamping block 306 is slidably fitted with a fourth sliding rail 3034 , and the fourth sliding rail 3034 is fixedly connected to the top surface of the support plate 3033 .

In a further optimized solution, the friction monitoring assembly 4 includes a third bottom plate 401 fixedly connected to the top of the rack 1, the third bottom plate 401 is fixedly connected with a third sliding rail 402, and the third sliding rail 402 is slidably fitted with a third sliding plate 404, The bottom of the third sliding plate 404 is provided with a lead screw assembly 403, the lead screw shaft of the lead screw assembly 403 is connected with a fourth servo motor 4041, the fourth servo motor 4041 is fixedly connected to the third base plate 401, and the lead screw of the lead screw assembly 403 rotates connected to both ends of the third base plate 401;

A vertical plate 405 is fixedly connected to the top surface of the third sliding plate 404 , a fifth sliding rail is vertically fixedly connected to the vertical plate 405 , and a vertical sliding plate 407 is slidably matched with the fifth sliding rail. A tray 4071 is connected, the side of the vertical slide plate 407 away from the vertical plate 405 is rotatably connected with a lower pressing wheel 4072, the lower pressing wheel 4072 is arranged under the tray 4071, and a three-dimensional force sensor 406 is fixedly connected to the top surface of the third sliding plate 404. The top of the sensor 406 is fixedly connected to the friction pad 4061 , the friction pad 4061 is arranged under the lower pressing wheel 4072 , and the wire rope 5 is arranged in contact with the upper surface of the friction pad 4061 .

Further optimized solution, the sensor assembly includes a tension sensor 501 fixedly connected to one end of the wire rope 5 away from the longitudinal vibration assembly 2 and an accelerometer 502 fixedly connected to the wire rope 5, and the accelerometer 502 is arranged between the lateral vibration assembly 3 and the friction monitoring assembly 4. .

A test method for a multidirectional vibration test device for a steel wire rope and a friction pad, comprising the following steps:

Step 1, preparatory work, one end of the wire rope 5 is fixedly connected to the first sliding plate 204 on the longitudinal vibration assembly 2 through the first clamping block 206, the wire rope 5 goes around the roller 6 and the other end passes through the tension sensor 501 of the sensor assembly and the machine. Frame 1 is fixedly connected;

Step 2: Adjust the work, adjust the lateral vibration assembly 3, and drive the gear 3041 to rotate by controlling the rotation of the third servo motor 311, so that the vibration direction of the second clamping block 306 can be adjusted within 0-90°, so that the lateral The vibration direction of the vibration component 3 meets the vibration angle required by the test, the wire rope 5 is passed through the lateral vibration component 3, the wire rope 5 and the second clamping block 306 are fixed by the second clamping block 306, and the friction monitoring component 4 is adjusted to make the friction The pad 4061 is in contact with the wire rope 5 .

Step 3, start the test, start the first servo motor 207 of the longitudinal vibration part, the second servo motor 307 of the lateral vibration part, and the fourth servo motor 4041 of the friction monitoring assembly 4, and the first servo motor 207 drives the eccentric block 208 to rotate to form the wire rope 5 When longitudinal vibration is applied, the second servo motor 307 drives the eccentric wheel 3071 to rotate, and the eccentric wheel 3071 drives the connecting rod 308 to move, so that the second clamping block 306 generates lateral vibration and transmits the lateral vibration to the wire rope 5, which is measured by the accelerometer 502 The vibration data of the wire rope 5 is measured by the tension sensor 501 to measure the pre-tightening force data of the wire rope 5, and the fourth servo motor 4041 is controlled to reciprocate, so that the third sliding plate 404 drives the friction pad 4061 and the lower pressure wheel 4072 to reciprocate along the wire rope 5. Then, by adding a fixed weight weight on the tray 4071, the lower pressing wheel 4072 presses the wire rope 5 downward to provide positive pressure for the wire rope 5. The three-dimensional force sensor 406 measures the friction between the wire rope 5 and the multi-directional vibration. Pad 4061 friction contact and friction data. Provide experimental research data for the friction behavior of wire rope and friction pad under multi-directional vibration state.

Embodiment 2:

The difference between the experimental device of this embodiment and the first embodiment is only that the sensor assembly includes a tension sensor 501 fixedly connected to the end of the wire rope 5 away from the longitudinal vibration assembly 2 and an accelerometer 502 slidably connected to the wire rope 5. The accelerometer 502 is set at Between the lateral vibration component 3 and the friction monitoring component 4, a spring is fixedly connected between the accelerometer 502 and the three-dimensional force sensor 406, the wire rope 5 is provided with two pulleys symmetrically up and down, and the accelerometer 502 is rotatably connected to the two pulleys.

The structure of this embodiment can realize the test of the mechanical properties and mechanical parameters in the relative sliding state of the steel wire rope 5 and the friction pad 4061 .

In the description of the present invention, it should be understood that the terms "portrait", "horizontal", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship indicated by "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention, rather than indicating or It is implied that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention.

The above-mentioned embodiments are only to describe the preferred modes of the present invention, but not to limit the scope of the present invention. Without departing from the design spirit of the present invention, those of ordinary skill in the art can make various modifications to the technical solutions of the present invention. Variations and improvements should fall within the protection scope determined by the claims of the present invention.

Claims (6)

1. The utility model provides a multidirectional vibration test device of wire rope and friction lining which characterized in that: the device comprises a rack (1), a longitudinal vibration component (2) arranged on the side surface of the rack (1), a transverse vibration component (3) arranged on the top of the rack (1) and a friction monitoring component (4) arranged on the top of the rack (1);

the longitudinal vibration component (2), the transverse vibration component (3) and the friction monitoring component (4) are sequentially arranged in a forward direction, a roller (6) is arranged between the longitudinal vibration component (2) and the transverse vibration component (3), the longitudinal vibration component (2) is connected with a steel wire rope (5), the steel wire rope (5) bypasses the roller (6) and penetrates through the transverse vibration component (3) and the friction monitoring component (4) to be arranged, a friction liner (4061) is arranged on the friction monitoring component (4), and one end, far away from the longitudinal vibration component (2), of the steel wire rope (5) is fixedly connected to the rack (1);

the longitudinal vibration component (2) is provided with a longitudinal vibration part which enables the steel wire rope (5) to generate longitudinal vibration, the transverse vibration component (3) is provided with a transverse vibration part which enables the steel wire rope (5) to generate transverse vibration, and the steel wire rope (5) is provided with a sensor component;

the longitudinal vibration assembly (2) comprises a first bottom plate (201) which is vertically and fixedly connected to the side face of the rack (1), one side, away from the rack (1), of the first bottom plate (201) is fixedly connected with a first sliding rail (202), two ends of the first sliding rail (202) are provided with first limiting blocks (203), the first sliding rail (202) is in sliding fit with a first sliding plate (204), the bottom of the first sliding plate (204) is fixedly connected with a balancing weight (205), the top of one side, away from the rack (1), of the first bottom plate (201) is detachably connected with a first clamping block (206) for fixing the steel wire rope (5), and the longitudinal vibration part is fixedly connected to one side, away from the rack (1), of the first bottom plate (201);

the transverse vibration component (3) comprises a second bottom plate (301) fixedly connected to the top of the rack (1), a second sliding rail (302) is fixedly connected to the side wall of the second bottom plate (301), the second sliding rail (302) is arranged in parallel with the steel wire rope (5), the second sliding rail (302) is in sliding fit with a second sliding plate (303), an arc sliding groove (3031) is formed in the second sliding plate (303), a sliding bearing (3032) is in sliding fit in the arc sliding groove (3031), first compression plates (305) are respectively arranged on two end faces of the arc sliding groove (3031), shaft holes used for mounting the sliding bearing (3032) are formed in the first compression plates (305), a first compression handle (312) is connected to the two first compression plates (305) through threads, a gear ring (304) is fixedly connected to the second sliding plate (303), and an internal gear (3041) is arranged on the gear ring (304), the gear ring (304), the arc-shaped sliding groove (3031) and the steel wire rope (5) are coaxially arranged, and the gear (3041) is connected with a third servo motor (311) in a shaft mode;

a second pressing plate (309) is fixedly connected to the side face, close to the top of the second bottom plate (301), of the second sliding plate (303), a long circular hole is formed in the second pressing plate (309), a second pressing handle (310) is connected to the top of the second bottom plate (301), and the second pressing handle (310) penetrates through the second pressing plate (309) to be in threaded connection with the second bottom plate (301);

a supporting plate (3033) is vertically and fixedly connected to one side, away from the roller (6), of the second sliding plate (303), the top surface of the supporting plate (3033) is fixedly connected with the transverse vibrating part, and a machine body of the third servo motor (311) is fixedly connected with the bottom surface of the supporting plate (3033);

the friction monitoring assembly (4) comprises a third bottom plate (401) fixedly connected to the top of the rack (1), a third sliding rail (402) is fixedly connected to the third bottom plate (401), a third sliding plate (404) is in sliding fit with the third sliding rail (402), a lead screw assembly (403) is arranged at the bottom of the third sliding plate (404), a fourth servo motor (4041) is connected to a lead screw shaft of the lead screw assembly (403) in a shaft-to-shaft mode, the fourth servo motor (4041) is fixedly connected with the third bottom plate (401), and lead screws of the lead screw assembly (403) are rotatably connected to two ends of the third bottom plate (401);

the top surface of the third sliding plate (404) is fixedly connected with a vertical plate (405), the vertical plate (405) is fixedly connected with a fifth sliding rail, the fifth sliding rail is in sliding fit with a vertical sliding plate (407), the vertical sliding plate (407) is far away from a tray (4071) fixedly connected to the side surface of the vertical sliding plate (407) far away from the vertical plate (405), a lower pressing wheel (4072) is rotatably connected to the side surface of the vertical sliding plate (407) far away from the vertical plate (405), the lower pressing wheel (4072) is arranged below the tray (4071), the top surface of the third sliding plate (404) is fixedly connected with a three-dimensional force sensor (406), the top of the three-dimensional force sensor (406) is fixedly connected with the friction pad (4061), the friction pad (4061) is arranged below the lower pressing wheel (4072), and the steel wire rope (5) is arranged on the upper surface of the friction pad (4061) in a contacting manner.

2. The multi-directional vibration test device for the steel wire rope and the friction pad as recited in claim 1, wherein: the longitudinal vibration part comprises a first servo motor (207) and an eccentric block (208) fixedly connected with an output shaft of the first servo motor (207), and a machine body of the first servo motor (207) is fixedly connected with the first base plate (201).

3. The multi-directional vibration test device for the steel wire rope and the friction pad as recited in claim 1, wherein: the transverse vibration part comprises a second servo motor (307) fixedly connected to the top surface of the supporting plate (3033), an eccentric wheel (3071) is connected to the second servo motor (307) in a shaft connection mode, the edge part of the eccentric wheel (3071) is rotatably connected with a connecting rod (308), one end, far away from the eccentric wheel (3071), of the connecting rod (308) is rotatably connected with a second clamping block (306), a fourth sliding rail (3034) is slidably matched with the bottom of the second clamping block (306), and the fourth sliding rail (3034) is fixedly connected to the top surface of the supporting plate (3033).

4. The multi-directional vibration test device for the steel wire rope and the friction pad as recited in claim 1, wherein: the sensor assembly comprises a tension sensor (501) fixedly connected with one end of the longitudinal vibration assembly (2) far away from the steel wire rope (5) and an accelerometer (502) fixedly connected to the steel wire rope (5), and the accelerometer (502) is arranged between the transverse vibration assembly (3) and the friction monitoring assembly (4).

5. The multi-directional vibration test device for the steel wire rope and the friction pad as recited in claim 1, wherein: the sensor assembly comprises a tension sensor (501) fixedly connected with one end of the longitudinal vibration assembly (2) and a sliding connection on the steel wire rope (5), wherein the steel wire rope (5) is far away from the tension sensor (501) and the sliding connection are arranged on the steel wire rope (5), the accelerometer (502) is arranged between the transverse vibration assembly (3) and the friction monitoring assembly (4), the accelerometer (502) is fixedly connected with springs between the three-dimensional force sensors (406), two pulleys are symmetrically arranged on the steel wire rope (5) in an up-and-down mode, and the accelerometer (502) is rotationally connected with the two pulleys.

6. The method for testing the multi-directional vibration test device of the steel wire rope and the friction pad according to any one of claims 1 to 5, wherein: the method comprises the following steps:

firstly, preparing, wherein one end of the steel wire rope (5) is fixedly connected with the longitudinal vibration assembly (2), the steel wire rope (5) bypasses the roller (6), and the other end of the steel wire rope is fixedly connected with the rack (1) through the sensor assembly;

adjusting work, namely adjusting the transverse vibration component (3) to enable the vibration direction of the transverse vibration component (3) to meet the test requirement, fixing the steel wire rope (5) through the transverse vibration component (3), and adjusting the friction monitoring component (4) to enable the friction pad (4061) to be in contact with the steel wire rope (5);

and step three, starting a test, starting the longitudinal vibration part, the transverse vibration part and the friction monitoring assembly (4), and obtaining friction contact and friction data between the steel wire rope (5) and the friction liner (4061) through the sensor assembly.

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