CN206496997U - A MARTINDALE friction testing machine - Google Patents

Abstract

The utility model provides a MARTINDALE friction test machine, friction test machine includes experimental casing, bottom plate system, sliding plate system, and bottom plate system fixed mounting is on experimental casing, and sliding plate system swing joint realizes friction test with the cooperation of bottom plate system on the bottom plate system. The utility model discloses a to treat that the test object lays on the friction platform to it is fixed through the clamping ring, friction platform correspondence sets up the pressure testing piece subassembly, and the sliding plate system drives the pressure testing piece subassembly and moves and treats on the friction platform that the test object rubs each other and accomplish the experiment, and the sliding plate system drives its motion above eccentric wheel and ball cup through eccentric wheel subassembly.

Description

A MARTINDALE friction testing machine

technical field

The utility model relates to the field of testing equipment, in particular to a MARTINDALE friction testing machine.

Background technique

In daily use, the outer layer and lining of textiles and footwear will rub against the surrounding things, and long-term friction will cause surface damage or pilling. Therefore, friction tests are required for such products before they leave the factory to judge their wear resistance. series.

Utility model content

In order to solve the deficiencies of the above-mentioned prior art, the purpose of this utility model is to provide a kind of MARTINDALE friction testing machine, to overcome the defective in the prior art.

In order to achieve the above object, the utility model provides a MARTINDALE friction testing machine, the friction testing machine includes a test case, a bottom plate system, a sliding plate system, the bottom plate system is fixedly installed on the test case, and the sliding plate system is movably connected to the Cooperate with the bottom plate system to realize the friction test; among them,

The bottom plate system includes the bottom plate, eccentric wheel assembly, friction platform, pressure ring, and ball cup; among them, there are three axial holes for socketing the eccentric wheel assembly in the middle of the bottom plate, and symmetrically arranged on the front and rear sides of the axial hole. Four sets of mounting holes for the friction platform for fixed connection with the friction platform. On the friction platform, there is a pressure ring used for locking with the friction platform. On the bottom plate, there are also ball cups arranged in a triangle for fixed connection with the ball cup. Mounting holes;

The sliding plate system includes a sliding plate, a friction block, a needle bearing seat, a connecting rod, a weight, and a test piece assembly; among them, there are three installation grooves for fixing and connecting the friction block in the middle of the sliding plate, and the eccentricity of the bottom plate system The wheel assembly extends between the friction blocks to drive the sliding plate system to move. There are four mounting holes symmetrically arranged at the front and rear ends of the sliding plate. The mounting holes are fixedly connected to the needle bearing seat, and the inner sleeve of the needle bearing seat is provided with a connecting rod. , the top end of the connecting rod is connected with the weight, the bottom end of the connecting rod is connected with the test pressure piece assembly, and the lower part of the test pressure piece assembly corresponds to the friction platform of the bottom plate system.

As a further description of the MARTINDALE friction testing machine described in the present invention, preferably, the eccentric wheel assembly includes three eccentric wheels, a driven shaft A, a driving shaft, a driven shaft B, a synchronous wheel A, a synchronous wheel B, a pulley set, and a motor 1. Tensioner assembly; wherein, in the three shaft holes, from left to right, there are fixedly connected the passive shaft seat A socketed with the driven shaft A, the active shaft seat socketed with the driving shaft, and the passive shaft seat socketed with the passive shaft B B. The top ends of the driven shaft A, the driving shaft and the driven shaft B are respectively connected with an eccentric wheel, and the eccentric wheel is provided with a pulling pin with a copper sleeve on the outside, and the bottom ends of the driven shaft A and the driven shaft B are respectively connected with a synchronous wheel A connection, the bottom end of the driving shaft has two synchronous pulleys B respectively connected with the synchronous pulley A of the driven shaft A and the driven shaft B, the driving shaft is connected with the motor behind the driving shaft through the pulley set, and there are two synchronous pulleys in front of the driving shaft A tensioner assembly connected with synchronous pulley A and synchronous pulley B.

As a further description of the MARTINDALE friction testing machine described in the present invention, preferably, the three mounting grooves in the middle of the sliding plate are rectangular, one of which is a longitudinal groove, and the other two are transverse grooves, and the two transverse grooves are respectively It is arranged on both sides of the longitudinal groove, and the two sides of the installation groove are respectively fixedly connected with L-shaped friction blocks, and the pulling pin on the eccentric wheel extends into the gap between the two friction blocks to drive the sliding plate to move .

As a further description of the MARTINDALE friction testing machine described in the present utility model, preferably, a rubber pad is provided on both sides of the two transverse grooves, and the top of the rubber pad is connected with the upper cover, and the upper cover is provided with two a handle, and the rubber pad is made of white hard glue.

As a further description of the MARTINDALE friction testing machine described in the present invention, preferably, the bottom end of the pressure ring is evenly screwed upwards with three locking slots, and the rotation span of the locking slots is 70°.

As a further description of the MARTINDALE friction testing machine described in the present invention, preferably, the friction platform includes a connection part connected with the pressure ring and a friction part used for the friction test, and three clamping positions are evenly fixed on the connection part. The snap-fit part matching the groove.

As a further description of the MARTINDALE friction testing machine described in the present invention, preferably, the material of the friction part of the friction platform is stainless steel, and the material of the connection part is POM.

As a further description of the MARTINDALE friction testing machine described in the present invention, preferably, the pressure test piece assembly includes a pressure test piece A, a pressure test piece B, and a pressure test piece C, and the pressure piece A is connected to the bottom end of the connecting rod. The pressure piece C is connected to the pressure piece A and is in contact with the friction platform, and the test pressure piece B is connected between the pressure piece A and the test pressure piece C.

The utility model places the outer layer or the lining of the footwear on the friction platform, and fixes it through the pressure ring. The test pressure piece assembly is arranged at the corresponding place of the friction platform, and the sliding plate system drives the movement of the test pressure piece assembly and the friction platform. The outer layer or lining of the class rubs against each other to complete the experiment, and the sliding plate system drives it to move above the eccentric wheel and the ball cup through the eccentric wheel assembly.

Description of drawings

Fig. 1 is the structural representation of the MARTINDALE friction testing machine of the present utility model;

Fig. 2 is the structural representation of the floor system of the present utility model;

Fig. 3 is the bottom view of the floor system of the present utility model;

Fig. 4 is the structural representation of the base plate of the present utility model;

Fig. 5 is a structural schematic diagram of the sliding plate system of the present invention;

Fig. 6 is a structural schematic diagram of the sliding plate of the present invention;

Fig. 7 is a schematic structural view of the pressure ring and the friction platform of the present invention;

Fig. 8 is a schematic structural view of the test tablet assembly of the present invention.

detailed description

In order to enable the examiner to further understand the structure, features and other purposes of the utility model, the attached preferred embodiments are attached with accompanying drawings in detail as follows. The embodiments illustrated in the accompanying drawings are only used to illustrate the utility model The technical solution does not limit the utility model.

As shown in Figure 1, Fig. 1 is the structural representation of the MARTINDALE friction testing machine of the present utility model; Said friction testing machine comprises test casing 1, base plate system 2, sliding plate system 3, and base plate system 2 is fixedly installed in test enclosure 1, the sliding plate system 3 is movably connected to the bottom plate system 2 and cooperates with the bottom plate system 2 to realize the friction test; among them,

Please refer to Fig. 2, Fig. 2 is the structure schematic diagram of the base plate system of the present utility model, base plate system 2 comprises base plate 21, eccentric wheel assembly 22, friction platform 23, pressure ring 24, ball cup 25; There are three shaft holes 211 for socketing the eccentric wheel assembly 22, and four groups of friction platform installation holes 212 for fixedly connecting the friction platform 23 are arranged symmetrically on the front and rear sides of the shaft hole 211. There is a pressure ring 24 used in conjunction with the friction platform 23 for locking, and a triangular arrangement of ball cup mounting holes 213 for fixedly connecting the ball cup 25 is also provided on the bottom plate 21;

Please refer to Fig. 5, Fig. 5 is the schematic structural diagram of the sliding plate system of the present invention; the sliding plate system 3 includes a sliding plate 31, a friction block 32, a needle bearing seat 33, a connecting rod 34, a weight 35, and a test piece assembly 36; wherein, three mounting grooves 311 for fixedly connecting the friction blocks 32 are provided in the middle of the sliding plate 31, and the eccentric wheel assembly 22 of the bottom plate system 2 extends between the friction blocks 32 to drive the sliding plate system 3 to move. The front and rear ends of the plate 31 are symmetrically provided with four installation holes 312, and the needle bearing housing 33 is fixedly connected to the installation holes 312, and the inner sleeve of the needle bearing housing 33 is provided with a connecting rod 34, and the top of the connecting rod 34 is connected to the weight 35 , the bottom end of the connecting rod 34 is connected with the pressure test piece assembly 36, and the bottom of the pressure test piece assembly 36 corresponds to the friction platform 23 of the base plate system 2, and the pressure test piece assembly moves on the friction platform and the friction test object on the friction platform Friction is generated between them, and the magnitude of the friction is controlled by setting the weight of the weight.

Please refer to Fig. 3, Fig. 3 is the bottom view of the floor system of the present utility model; Eccentric wheel assembly 22 comprises three eccentric wheels 221, driven shaft A222, driving shaft 223, driven shaft B224, synchronous wheel A225, synchronous wheel B226, pulley Group 227, motor 228, tensioning wheel assembly 229; Among them, in the three shaft holes 211, from left to right, there are fixedly connected with the driven shaft seat A which is socketed with the driven shaft A222, the driving shaft seat A which is socketed with the driving shaft 223, and the sleeve The passive shaft seat B connected to the driven shaft B224, the tops of the driven shaft A222, the driving shaft 223 and the driven shaft B224 are respectively connected with an eccentric wheel 221, and the eccentric wheel 221 is provided with a pull-out pin with a copper sleeve on the outside, and the driven shaft A222 The bottom end of the driven shaft B224 is connected with a synchronous wheel A225 respectively, and the bottom end of the driving shaft 223 has two synchronous wheels B226 connected with the synchronous wheel A225 of the driven shaft A222 and the driven shaft B224 respectively. The motor 228 behind the driving shaft 223 is connected, and the front of the driving shaft 223 is provided with two tensioning wheel assemblies 229 connected together with the synchronous wheel A225 and the synchronous wheel B226. Two identical synchronous wheels B226 are set up and down, and the synchronous wheel B226 is respectively connected with the driven shaft A222 on both sides and the synchronous wheel A225 on the driven shaft B224, so that the driving shaft 223 drives the driven shaft A222 and the driven shaft B224 to rotate synchronously, and the driven shaft A222 and the driven shaft B224 rotate synchronously. The driven shaft B224 is also connected with the front tensioning wheel assembly 229 to realize the tension control of the tire belt. The driven shaft A222, the driving shaft 223 and the driven shaft B224 rotate together to drive the sliding plate 31 to move.

Please refer to Fig. 6, Fig. 6 is the structural schematic diagram of the sliding plate of the present utility model; The three mounting grooves 311 in the middle of the sliding plate 31 are rectangular, one of which is a longitudinal groove, and the other two are transverse grooves, and the two transverse grooves The grooves are respectively arranged on both sides of the longitudinal groove, and L-shaped friction blocks 32 are respectively fixedly connected to the two sides of the installation groove 311, and the pulling pin on the eccentric wheel 221 extends into the gap between the two friction blocks 32. The sliding plate 31 is driven to move in the hole. Preferably, a rubber pad 313 is provided on both sides of the two transverse grooves, and the top of the rubber pad 313 is connected with the upper cover plate 314. The upper cover plate 314 is provided with two handles 315 , the rubber pad adopts white hard glue.

Please refer to Fig. 7, Fig. 7 is a structural schematic diagram of the pressure ring and the friction platform of the present invention; the bottom end of the pressure ring 24 is evenly rotated upwards with three locking slots 241, and the rotation span of the locking slots 241 is 70°. The friction platform 23 includes a connection part 231 connected with the pressure ring 24 and a friction part 232 for the friction test. On the connection part 231, three snap-in parts 233 coordinating with the locking slots 241 are evenly fixed. Preferably, The friction part 232 of the friction platform 23 is made of stainless steel, and the material of the connecting part 231 is POM. The friction platform is used to place the friction test object, and the friction test object is tightly pressed and fixed on the friction platform by screwing the pressure ring on the friction platform. on the platform.

Please refer to Fig. 8, Fig. 8 is the structural representation of the pressure test piece assembly of the present utility model; At the bottom end, the pressure test piece C363 is connected to the pressure piece A361 and is in contact with the friction platform 23, and the pressure test piece B362 is connected between the pressure piece A361 and the pressure test piece C363.

It should be declared that the content of the above utility model and specific implementation methods are intended to prove the practical application of the technical solutions provided by the utility model, and should not be interpreted as limiting the scope of protection of the utility model. Those skilled in the art may make various modifications, equivalent replacements or improvements within the spirit and principle of the present utility model. The scope of protection of the utility model shall be determined by the appended claims.

Claims (8)

1. A MARTINDALE friction testing machine, is characterized in that, described friction testing machine comprises test casing (1), base plate system (2), sliding plate system (3), and base plate system (2) is fixedly installed in test enclosure On (1), the sliding plate system (3) is movably connected to the bottom plate system (2) to cooperate with the bottom plate system (2) to realize the friction test; wherein, Bottom plate system (2) comprises bottom plate (21), eccentric wheel assembly (22), friction platform (23), pressure ring (24), ball cup (25); In the shaft hole (211) of the eccentric wheel assembly (22), four groups of friction platform installation holes (212) for fixedly connecting the friction platform (23) are arranged symmetrically on the front and rear sides of the shaft hole (211), The friction platform (23) is provided with a pressure ring (24) used in conjunction with the friction platform (23) for locking, and the bottom plate (21) is also provided with a triangular arrangement of balls for fixed connection with the ball cup (25). Cup mounting hole (213); The sliding plate system (3) includes a sliding plate (31), a friction block (32), a needle bearing seat (33), a connecting rod (34), a weight (35), and a test pressure piece assembly (36); wherein, in The middle of the sliding plate (31) is provided with three installation grooves (311) for fixedly connecting the friction blocks (32), and the eccentric wheel assembly (22) of the bottom plate system (2) extends between the friction blocks (32) to drive sliding The plate system (3) moves, and four mounting holes (312) are symmetrically arranged at the front and rear ends of the sliding plate (31). ) inner cover is provided with connecting rod (34), and the top of connecting rod (34) is connected with weight (35), and the bottom of connecting rod (34) is connected with test pressure piece assembly (36), and test pressure piece assembly (36 ) corresponds to the friction platform (23) of the base plate system (2). 2. MARTINDALE friction testing machine as claimed in claim 1, is characterized in that, eccentric wheel assembly (22) comprises three eccentric wheels (221), driven shaft A (222), driving shaft (223), driven shaft B ( 224), synchronous pulley A (225), synchronous pulley B (226), pulley set (227), motor (228), tensioning pulley assembly (229); wherein, in the three shaft holes (211) from left to right The passive shaft seat A which is socketed with the driven shaft A (222), the driving shaft seat which is socketed with the driving shaft (223), the passive shaft seat B which is socketed with the driven shaft B (224), and the driven shaft A (222) are fixedly connected in turn. 1. The tops of the drive shaft (223) and the driven shaft B (224) are connected with an eccentric wheel (221) respectively, and the eccentric wheel (221) is provided with a pull-out pin with an outer sleeve of a copper sleeve, and the driven shaft A (222) and The bottom end of driven shaft B (224) is connected with a synchronous wheel A (225) respectively, and the bottom end of driving shaft (223) has two synchronous wheels A ( 225) connected synchronous pulley B (226), the drive shaft (223) is connected with the motor (228) behind the drive shaft (223) through the pulley set (227), and the front of the drive shaft (223) is provided with two synchronous pulleys The tensioning wheel assembly (229) that A (225) and synchronous wheel B (226) are connected together. 3. MARTINDALE friction testing machine as claimed in claim 1, is characterized in that, three mounting grooves (311) in the middle of sliding plate (31) are rectangular, and wherein one is longitudinal groove, and other two are transverse grooves, two The two transverse grooves are respectively arranged on both sides of the longitudinal groove, and L-shaped friction blocks (32) are respectively fixedly connected to the two sides of the mounting groove (311), and the pull pins on the eccentric wheel (221) extend into the gap between the two friction blocks (32) to drive the slide plate (31) to move. 4. MARTINDALE friction testing machine as claimed in claim 3, is characterized in that, the both sides of two described transverse grooves are respectively provided with a rubber pad (313), the top of rubber pad (313) and upper cover plate (314) To connect, the upper cover plate (314) is provided with two handles (315), and the rubber pad adopts white hard glue. 5. MARTINDALE friction testing machine as claimed in claim 1, is characterized in that, the bottom end of pressure ring (24) is evenly upwardly screwed with three locking slots (241), and the rotation span of locking slots (241) is 70°. 6. MARTINDALE friction testing machine as claimed in claim 1, is characterized in that, friction platform (23) comprises the connection part (231) that is connected with pressure ring (24) and the friction part (232) that is used for friction test, in The connecting portion (231) is evenly fixed with three engaging portions (233) matched with the engaging slots (241). 7. The MARTINDALE friction testing machine according to claim 6, characterized in that, the material of the friction part (232) of the friction platform (23) is stainless steel, and the material of the connecting part (231) is POM. 8. MARTINDALE friction testing machine as claimed in claim 1, is characterized in that, test pressure piece assembly (36) comprises test pressure piece A (361), test pressure piece B (362), test pressure piece C (363), The pressure piece A (361) is connected to the bottom end of the connecting rod (34), the pressure test piece C (363) is connected to the pressure piece A (361) and is in contact with the friction platform (23), and the pressure test piece B (362) is connected to Between tablet A (361) and test tablet C (363).