Friction device for detecting wear resistance and skid resistance of nurse shoes

By designing a friction device for testing the wear resistance and anti-slip properties of nurses' shoes including a fixed frame, an electric push rod, a motor, a bevel gear and an auxiliary fixing device, the problem of the displacement of nurses' shoes during the testing process in the existing technology is solved, and the efficiency is improved Detection accuracy and stability.

CN222379522UActive Publication Date: 2025-01-21XIANGCHENG LI SHAOCHENG SHOES CO LTD
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Patent Information

Application Number
CN202420939924.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-30
Publication Date
2025-01-21
Estimated Expiration
2034-04-30

AI Technical Summary

Technical Problem

The existing wear-resistant and anti-slip detection friction device of nurse shoes lacks an effective support structure, which leads to the displacement of nurse shoes during the inspection process, affecting the detection effect.

Method used

A friction device including a fixed frame, an electric push rod, a motor, a bevel gear, a connecting screw and an auxiliary fixing device was designed for testing the wear resistance and anti-slip properties of nurses' shoes. Through the electric push rod and motor-driven mechanical structure, stable fixation and precise control of the nurse's shoes are achieved, and the displacement of the shoes is reduced.

Benefits of technology

It effectively solves the problem of displacement of nurses' shoes during the testing process, improves the accuracy and stability of the wear resistance testing of nurses' shoes, and ensures the reliability of the testing results.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of production of nurse shoes, and particularly relates to a friction device for detecting wear resistance and skid resistance of nurse shoes, which comprises a bottom plate. A fixing frame is fixedly connected to the bottom plate. The fixing frame is connected with an electric push rod; the bottom of the electric push rod is fixedly connected with a connecting support; an output shaft of the motor I is fixedly connected with a bevel gear I; a nurse shoe body is placed on a friction plate, an electric push rod pushes a connecting support to move towards the upper portion of the nurse shoe body so that the connecting support can be inserted into the nurse shoe body, then the position, fixed to the connecting support, of the nurse shoe body is adjusted, a first bevel gear is driven by a first motor to rotate, and the first bevel gear drives a second bevel gear to rotate; the connecting screw rod is driven to move through threads in the connecting screw sleeve, and the two sides of the nurse shoe body are fixed in an auxiliary manner through the auxiliary fixing device, so that movement of the nurse shoe body is reduced during friction detection, and the wear resistance detection effect of the nurse shoe is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of nurse shoe production, in particular to a friction device for detecting the wear resistance and anti-skid properties of nurse shoes. Background Art

[0002] Nurse shoes are work shoes worn by nurses in hospitals. They are generally cloth-surfaced rubber-soled shoes. They are light, breathable, comfortable, convenient, non-slip and quiet. The soles are made of butyl rubber soles, which are super wear-resistant and have a normal service life of up to 3 years. The uppers are made of high-quality first-layer soft cowhide, which is soft, breathable, strong, not loose, easy to clean, and milky white. When making nurse shoes, the finished nurse shoes need to undergo various tests. The test can only be completed after the test is completed. The wear resistance and anti-skid test of nurse shoes is one of the test processes.

[0003] When testing the wear resistance and anti-skid properties of nurse shoes, a friction device is needed to test the wear resistance of nurse shoes. However, when testing nurse shoes, the existing friction device currently places objects of appropriate weight on the top or side of the shoes to fix the shoes by the pressure of the heavy objects. There is a lack of effective support structure for the shoes to fix the shoes. During the test, the nurse shoes are prone to displacement, which affects the test effect.

[0004] In the prior art, when testing nurse shoes, the shoes are fixed by pressing with heavy objects, but there is a lack of effective support structure for the shoes to fix the shoes, thereby greatly reducing the testing effect of the nurse shoes.

[0005] Therefore, in view of the above problems, a friction device for detecting the wear resistance and anti-skid property of nurse shoes is proposed. Utility Model Content

[0006] In order to make up for the deficiencies of the prior art and solve at least one technical problem raised in the background technology, the utility model proposes a friction device for detecting the wear resistance and anti-skid property of nurse shoes.

[0007] The technical solution adopted by the utility model to solve its technical problems is: the friction device for detecting the wear resistance and anti-skid property of nurse shoes described in the utility model comprises a bottom plate; a fixing frame is fixedly connected to the bottom plate; an electric push rod is connected to the fixing frame; a connecting support is fixedly connected to the bottom of the electric push rod; a motor 1 is fixedly connected inside the connecting support; a bevel gear 1 is fixedly connected to the output shaft of the motor 1; a bevel gear 2 is meshingly connected to the bevel gear 1; a connecting nut is fixedly connected to the bevel gear 2; the connecting nut is rotatably connected to the fixed support; a connecting screw is threadedly connected to the connecting screw; a fixed square rod is connected to the connecting screw; the fixed square rod is fixed to the connecting support; a connecting fixing rod is fixedly connected to the connecting support; a fixing plate is fixedly connected to the connecting screw and the connecting fixing rod; an auxiliary fixing device is connected to the connecting support.

[0008] Preferably, the auxiliary fixing device includes a connecting rod; two pins are provided on the connecting rod; a connecting bracket is rotatably connected to the pin; two sliding rods are slidably connected to the connecting bracket; one end of the two sliding rods is fixedly connected to a fixed clamp block; a spring 1 is sleeved on the sliding rod; two of the spring 1 are fixed on the fixed clamp block and the connecting bracket.

[0009] Preferably, the connecting support is overlapped with a nurse shoe body; the connecting support is arranged in the nurse shoe body; the nurse shoe body is fixed to the connecting support through a fixing plate; and the auxiliary fixing device is fixed on both sides of the nurse shoe body.

[0010] Preferably, two slide grooves are provided on the bottom plate; two rollers are slidably connected in the slide grooves; four rollers are fixedly connected to the same friction plate; and a plurality of friction balls are arranged on the friction plate.

[0011] Preferably, the friction plate is detachably connected to a connecting block; the connecting block is fixedly connected to a sliding rod; two sliding blocks are slidably connected to the sliding rod; an annular moving rod is fixedly connected to the center position of the sliding rod; a driving block is slidably connected to the annular moving rod; an eccentric wheel is fixedly connected to the bottom of the driving block; a second motor is fixedly connected to the bottom of the eccentric wheel; and two sliding blocks are fixed on the same base plate.

[0012] Preferably, two auxiliary devices are fixedly connected to the friction plate; the auxiliary device includes a fixed bracket; a telescopic rod is fixedly connected to the fixed bracket; the telescopic rod is connected to a connecting plate; a second spring is fixedly connected to the connecting plate; the other end of the second spring is fixed to the telescopic rod; and a friction wheel is rotatably connected to the connecting plate.

[0013] Preferably, a fixed support is fixedly connected to the bottom plate; and four anti-slip pads are fixedly connected to the fixed support.

[0014] The utility model is beneficial in that:

[0015] 1. The friction device for detecting the wear resistance and anti-skid property of nurse shoes described in the utility model is provided with a fixing frame, a motor 1, a connecting screw, a connecting screw sleeve and an electric push rod. When using the device, the nurse shoe body is placed on the friction plate, and the electric push rod pushes the connecting support to move upwardly of the nurse shoe body, so that the connecting support is inserted into the nurse shoe body, and then the nurse shoe body is adjusted and fixed in the position of the connecting support, and the motor 1 drives the bevel gear 1 to rotate, the bevel gear 1 drives the bevel gear 2 to rotate, the bevel gear 2 drives the connecting screw sleeve to rotate, and the connecting screw is driven to move by the thread in the connecting screw sleeve, and the connecting screw drives the fixing plate to fix the nurse shoe body, so that the connecting screw and the connecting fixing rod are supported and then fixed to the nurse shoe body, and then the two sides of the nurse shoe body are fixed by the auxiliary fixing device, so that the movement of the nurse shoe body is reduced during friction detection, the problem of lack of effective supporting structure for fixing the shoes during nurse shoe detection is solved, and the wear resistance detection effect of the nurse shoe is improved.

[0016] 2. The utility model discloses a friction device for detecting the wear resistance and anti-skid property of nurse shoes. By setting a second motor, a friction plate, an annular movable rod, a sliding rod, a sliding block and an eccentric wheel, when using the device, after the nurse shoe body is fixed, the second motor drives the eccentric wheel to rotate, and the eccentric wheel drives the fixedly connected driving block to rotate eccentrically, and the driving block slides in the annular movable rod, and then the annular movable rod drives the sliding rod to slide back and forth on the sliding block, so that the sliding rod drives the fixed friction plate to move back and forth to rub the bottom of the nurse shoe body, thereby simulating the phenomenon of shoes rubbing against the ground when walking, making the wear resistance detection of the nurse shoe more realistic, and the friction ball on the friction plate assists in rubbing the bottom of the nurse shoe body, thereby improving the wear resistance detection effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the structure of the auxiliary fixing device in the utility model;

[0020] Figure 3 It is a schematic diagram of the cross-sectional structure of the connecting bracket in the utility model;

[0021] Figure 4 It is a schematic diagram of the bottom plate structure in the utility model;

[0022] Figure 5 It is a schematic diagram of the separation structure of the base plate and the friction plate in the utility model.

[0023] In the figure: 1, bottom plate; 2, fixing frame; 3, electric push rod; 4, connecting support; 5, motor 1; 6, bevel gear 1; 7, bevel gear 2; 8, connecting screw; 9, connecting screw sleeve; 10, fixing plate; 11, fixing square rod; 12, auxiliary fixing device; 121, connecting rod; 122, pin shaft; 123, connecting bracket; 124, sliding rod; 125, spring 1; 126, fixing clamp; 13, nurse shoe body; 14 , friction plate; 15, friction ball; 16, connecting block; 17, sliding rod; 18, annular moving rod; 19, sliding block; 20, driving block; 21, eccentric wheel; 22, motor 2; 23, auxiliary device; 231, fixed bracket; 232, telescopic rod; 233, spring 2; 234, connecting plate; 235, friction wheel; 24, roller; 25, slide groove; 26, fixed support; 27, anti-skid pad; 28, connecting fixing rod. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] like Figure 1-5As shown, a friction device for detecting the wear resistance and anti-skid property of nurse shoes comprises a bottom plate 1; a fixing frame 2 is fixedly connected to the bottom plate 1; an electric push rod 3 is connected to the fixing frame 2; a connecting support 4 is fixedly connected to the bottom of the electric push rod 3; a motor 1 5 is fixedly connected inside the connecting support 4; a bevel gear 1 6 is fixedly connected to the output shaft of the motor 1 5; a bevel gear 2 7 is meshedly connected to the bevel gear 1 6; a connecting screw sleeve 9 is fixedly connected to the bevel gear 2 7; the connecting screw sleeve 9 is rotatably connected to the fixing support 26; a connecting screw 8 is internally threadedly connected to the connecting screw sleeve 9; a fixed square rod 11 is connected to the connecting screw sleeve 9; the fixed square rod 11 is fixed to the connecting support 4; a connecting fixing rod 28 is fixedly connected to the connecting support 4; a fixing plate 10 is fixedly connected to the connecting screw sleeve 9 and the connecting fixing rod 28; an auxiliary fixing device 12 is connected to the connecting support 4, and by setting the fixing frame 2, the motor 1 5, the connecting screw 8, Connecting the screw sleeve 9 and the electric push rod 3, when using the device, by placing the nurse shoe body 13 on the friction plate 14, the electric push rod 3 pushes the connecting support 4 to move upward to the nurse shoe body 13, so that the connecting support 4 is inserted into the nurse shoe body 13, and then the nurse shoe body 13 is adjusted to be fixed at the position of the connecting support 4, and the motor 15 drives the bevel gear 16 to rotate, the bevel gear 16 drives the bevel gear 27 to rotate, and the bevel gear 27 drives the connecting screw sleeve 9 to rotate, and the connecting screw 8 is driven to move by the thread in the connecting screw sleeve 9, and the connecting screw 8 drives the fixing plate 10 to fix the nurse shoe body 13, so that the connecting screw 8 and the connecting fixing rod 28 fix the nurse shoe body 13 through support, and then the two sides of the nurse shoe body 13 are assisted by the auxiliary fixing device 12 to fix the nurse shoe body 13, so that the movement of the nurse shoe body 13 is reduced during friction detection, solve the problem of lack of effective support structure for fixing the shoes during nurse shoe detection, and improve the wear resistance detection effect of the nurse shoe.

[0026] Further, such as Figure 2 and Figure 3As shown, the auxiliary fixing device 12 includes a connecting rod 121; two pins 122 are arranged on the connecting rod 121; a connecting bracket 123 is rotatably connected to the pin 122; two sliding rods 124 are slidably connected to the connecting bracket 123; one end of the two sliding rods 124 is fixedly connected to a fixed clamping block 126; a spring 125 is sleeved on the sliding rod 124; two of the spring 125 are fixed on the fixed clamping block 126 and the connecting bracket 123, and the nurse shoe body 13 is overlapped on the connecting support 4; the connecting support 4 is arranged in the nurse shoe body 13; the nurse shoe body 13 is fixed to the connecting support through the fixing plate 10 4; the auxiliary fixing device 12 is fixed on both sides of the nurse shoe body 13. By setting the auxiliary fixing device 12, when using the device, the nurse shoe body 13 is fixed by driving the fixing plate 10 through the motor 5, and then the connecting bracket 123 is rotated by the pin shaft 122, so that the fixed clamping block 126 on the connecting bracket 123 is clamped on both sides of the nurse shoe body 13, and the elastic force of the spring 125 is used to drive the sliding rod 124 to slide on the connecting bracket 123, so that the fixed clamping block 126 is firmly clamped on both sides of the nurse shoe body 13, and then the nurse shoe body 13 is fixed, so that the loosening of the nurse shoe body 13 is reduced during the wear resistance test, and the stability of the device is improved.

[0027] Further, such as Figure 4 As shown, two slide grooves 25 are provided on the bottom plate 1; two rollers 24 are slidably connected in the slide grooves 25; four rollers 24 are fixedly connected to the same friction plate 14; a plurality of friction balls 15 are provided on the friction plate 14, and by providing the rollers 24, the rollers 24 drive the friction plate 14 to slide in the slide grooves 25 on the bottom plate 1, so that the friction plate 14 is easier to move.

[0028] Further, such as Figure 4 and Figure 5As shown, the friction plate 14 is detachably connected with a connecting block 16; the connecting block 16 is fixedly connected with a slide bar 17; the slide bar 17 is slidably connected with two sliding blocks 19; the center position of the slide bar 17 is fixedly connected with an annular moving rod 18; the annular moving rod 18 is slidably connected with a driving block 20; the bottom of the driving block 20 is fixedly connected with an eccentric wheel; the bottom of the eccentric wheel 21 is fixedly connected with a second motor 22; the two sliding blocks 19 are fixed on the same bottom plate 1, and by arranging the second motor 22, the friction plate 14, the annular moving rod 18, the slide bar 17, the sliding blocks 19 and the eccentric wheel, when using the device After the nurse shoe body 13 is fixed, the eccentric wheel 21 is driven to rotate by the motor 22, and the eccentric wheel 21 drives the fixed driving block 20 to rotate eccentrically. The driving block 20 slides in the annular movable rod 18, and then the annular movable rod 18 drives the sliding rod 17 to slide back and forth on the sliding block, so that the sliding rod 17 drives the fixed friction plate 14 to move back and forth to rub the bottom of the nurse shoe body 13, thereby simulating the phenomenon of shoes rubbing on the ground when walking, making the wear resistance detection of the nurse shoe more realistic, and the friction ball 15 on the friction plate 14 assists in rubbing the bottom of the nurse shoe body 13, thereby improving the wear resistance detection effect.

[0029] Further, such as Figure 4 As shown, the friction plate 14 is fixedly connected to two auxiliary devices 23; the auxiliary device 23 includes a fixed bracket 231; a telescopic rod 232 is fixedly connected to the fixed bracket 231; the telescopic rod 232 is connected to a connecting plate 234; a spring 233 is fixedly connected to the connecting plate 234; the other end of the spring 233 is fixed to the telescopic rod 232; a friction wheel 235 is rotatably connected to the connecting plate 234. By setting the auxiliary device 23, when performing detection, the two friction wheels 235 are used to rub the two sides of the nurse shoe body 13 to simulate the friction on both sides of the nurse shoe when worn daily. The telescopic rod 232 uses the elastic force of the spring 233 to adjust the distance from the detected nurse shoe, and the friction wheel 235 is used to rub the nurse shoe body 13, so that the wear resistance detection of the nurse shoe is more realistic and the detection effect is improved.

[0030] Further, such as Figure 1 As shown, a fixed support 26 is fixedly connected to the base plate 1; four anti-skid pads 27 are fixedly connected to the fixed support 26. By providing the fixed support 26 and the anti-skid pads 27, the fixed support 26 improves the bearing capacity of the base plate 1, and the anti-skid pads 27 reduce the movement of the device during use, making the device more stable during use.

[0031] Working principle: when working, by placing the nurse shoe body 13 on the friction plate 14, the electric push rod 3 pushes the connecting support 4 to move upward to the nurse shoe body 13, so that the connecting support 4 is inserted into the nurse shoe body 13, and then the nurse shoe body 13 is adjusted to be fixed at the position of the connecting support 4, and the motor 15 drives the bevel gear 16 to rotate, the bevel gear 16 drives the bevel gear 27 to rotate, and the bevel gear 27 drives the connecting screw sleeve 9 to rotate, and the connecting screw 8 is driven to move through the thread in the connecting screw sleeve 9, and the connecting screw 8 drives the fixing plate 10 to fix the nurse shoe body 13, so that the connecting screw 8 and the connecting fixing rod 28 are supported to fix the nurse shoe body 13, and then the auxiliary fixing device 12 is used to assist in fixing the nurse shoe body. 13 sides, so that the movement of the nurse shoe body 13 is reduced during friction detection, the problem of lack of effective support structure for fixing the shoes during nurse shoe detection is solved, and the wear resistance detection effect of the nurse shoe is improved. When using the device, the nurse shoe body 13 is fixed by driving the fixing plate 10 through the motor 15, and then the connecting bracket 123 is rotated through the pin shaft 122, so that the fixed clamping block 126 on the connecting bracket 123 is clamped on both sides of the nurse shoe body 13, and the elastic force of the spring 125 is used to drive the sliding rod 124 to slide on the connecting bracket 123, so that the fixed clamping block 126 is firmly clamped on both sides of the nurse shoe body 13, and then the nurse shoe body 13 is fixed, so that the wear resistance detection is reduced during wear resistance detection. The nurse shoe body 13 is loose, and the stability of the device is improved. By setting a roller 24, the roller 24 drives the friction plate 14 to slide in the slide groove 25 on the bottom plate 1, so that the friction plate 14 is easier to move. When using the device, after the nurse shoe body 13 is fixed, the eccentric wheel 21 is driven to rotate by the motor 22, and the eccentric wheel 21 drives the fixed driving block 20 to rotate eccentrically. The driving block 20 slides in the annular moving rod 18, and then the annular moving rod 18 drives the slide bar 17 to slide back and forth on the slide block, so that the slide bar 17 drives the fixed friction plate 14 to move back and forth to rub the bottom of the nurse shoe body 13, thereby imitating the phenomenon that the shoes rub against the ground when walking, so that the nurse The wear resistance test of nurse shoes is more realistic, and the friction ball 15 on the friction plate 14 assists in rubbing the bottom of the nurse shoe body 13, thereby improving the wear resistance test effect. When performing the test, the two friction wheels 235 are used to rub the two sides of the nurse shoe body 13, imitating the friction on both sides of the nurse shoe during daily wear. The telescopic rod 232 uses the elastic force of the spring 233 to adjust the distance from the tested nurse shoe, and the friction wheel 235 is used to rub the nurse shoe body 13, making the wear resistance test of the nurse shoe more realistic and improving its test effect. By setting the fixed support 26 and the anti-skid pad 27, the fixed support 26 increases the bearing capacity of the bottom plate 1, and the anti-skid pad 27 reduces the movement of the device during use, making the device more stable during use.

[0032] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A friction device for testing the wear resistance and anti-skid property of nurse shoes, comprising a bottom plate (1); characterized in that: The bottom plate (1) is fixedly connected to a fixing frame (2); the fixing frame (2) is connected to an electric push rod (3); the bottom of the electric push rod (3) is fixedly connected to a connecting support (4); a motor 1 (5) is fixedly connected inside the connecting support (4); an output shaft of the motor 1 (5) is fixedly connected to a bevel gear 1 (6); a bevel gear 2 (7) is meshingly connected to the bevel gear 1 (6); a connecting nut (9) is fixedly connected to the bevel gear 2 (7); the connecting nut (9) is rotatably connected to the fixing support (26); a connecting screw (8) is internally threadedly connected to the connecting nut (9); a fixed square rod (11) is connected to the connecting nut (9); the fixed square rod (11) is fixed to the connecting support (4); a connecting fixing rod (28) is fixedly connected to the connecting support (4); a fixing plate (10) is fixedly connected to the connecting nut (9) and the connecting fixing rod (28); and an auxiliary fixing device (12) is connected to the connecting support (4).

2. A friction device for detecting the wear resistance and anti-skid property of nurse shoes according to claim 1, characterized in that: The auxiliary fixing device (12) comprises a connecting rod (121); two pins (122) are arranged on the connecting rod (121); a connecting bracket (123) is rotatably connected to the pin (122); two sliding rods (124) are slidably connected to the connecting bracket (123); one end of the two sliding rods (124) is fixedly connected to a fixed clamping block (126); a spring 1 (125) is sleeved on the sliding rod (124); two springs 1 (125) are fixed to the fixed clamping block (126) and the connecting bracket (123).

3. A friction device for detecting the wear resistance and anti-skid property of nurse shoes according to claim 1, characterized in that: The connecting support (4) is overlapped with a nurse shoe body (13); the connecting support (4) is arranged in the nurse shoe body (13); the nurse shoe body (13) is fixed to the connecting support (4) via a fixing plate (10); and the auxiliary fixing device (12) is fixed to both sides of the nurse shoe body (13).

4. A friction device for testing the wear resistance and anti-skid property of nurse shoes according to claim 1, characterized in that: The bottom plate (1) has two slide grooves (25); two rollers (24) are slidably connected in the slide grooves (25); the four rollers (24) are fixedly connected to the same friction plate (14); and a plurality of friction balls (15) are arranged on the friction plate (14).

5. A friction device for testing the wear resistance and anti-skid property of nurse shoes according to claim 4, characterized in that: The friction plate (14) is detachably connected to a connecting block (16); a sliding rod (17) is fixedly connected to the connecting block (16); two sliding blocks (19) are slidably connected to the sliding rod (17); an annular moving rod (18) is fixedly connected to the center of the sliding rod (17); a driving block (20) is slidably connected to the annular moving rod (18); an eccentric wheel is fixedly connected to the bottom of the driving block (20); a second motor (22) is fixedly connected to the bottom of the eccentric wheel (21); and the two sliding blocks (19) are fixed to the same bottom plate (1).

6. A friction device for testing the wear resistance and anti-skid property of nurse shoes according to claim 4, characterized in that: Two auxiliary devices (23) are fixedly connected to the friction plate (14); the auxiliary device (23) comprises a fixed bracket (231); a telescopic rod (232) is fixedly connected to the fixed bracket (231); a connecting plate (234) is connected to the telescopic rod (232); a second spring (233) is fixedly connected to the connecting plate (234); the other end of the second spring (233) is fixed to the telescopic rod (232); and a friction wheel (235) is rotatably connected to the connecting plate (234).

7. A friction device for testing the wear resistance and anti-skid property of nurse shoes according to claim 1, characterized in that: A fixed support (26) is fixedly connected to the bottom plate (1); and four anti-slip pads (27) are fixedly connected to the fixed support (26).