CN2927039Y

CN2927039Y - Anti-skid tester for measuring friction coefficient

Info

Publication number: CN2927039Y
Application number: CN 200620062334
Authority: CN
Inventors: 陈景长
Original assignee: Gotech Testing Machines Dongguan Co Ltd
Current assignee: Gotech Testing Machines Dongguan Co Ltd
Priority date: 2006-08-01
Filing date: 2006-08-01
Publication date: 2007-07-25
Anticipated expiration: 2016-08-01

Abstract

The utility model relates to the technical field of a new type slip-resistance testing machine, in particular to a slip-resistance testing machine for measuring the friction coefficient, which comprises a workstation, a power transmission device and a scoring device; wherein, the power transmission device comprises a motor, a cylinder seat, a cylinder bar, a connection bar, and a guide pad. The utility model has the advantages of simple structure, realizing automatic testing, and meanwhile efficiently solving the difficulty of judging the separation point of the test curve and the standard curve to make the testing process more convenient; the testing error is dramatically reduced, and the results are more accurate.

Description

Survey the on-slip testing machine of friction factor

Technical field:

The utility model relates to on-slip testing machine technical field, refers in particular to a kind of on-slip testing machine of surveying friction factor.

Background technology:

In the middle of actual life, the article that we use relate to through regular meeting and require anti-as far as possible sliding stop when contacting with other object, and are wherein typical with the shoes that we wear.When our period of the day from 11 p.m. to 1 a.m that gets on one's shoes, for can be more safety and more comfortable we can select some and the comparatively suitable shoes of ground friction coefficient usually, and manufacturer also can go to select some more suitable materials to make as far as possible for consumer's needs.But how could select the more suitable material of a kind of friction factor? the method that adopts is normally surveyed friction factor to material earlier with the on-slip testing machine and is done a test before chosen material now.At present, we common to the on-slip testing machine that is used to survey friction factor mainly be to see through sample to test ground generation level and vertical stress component with loading, according to force balance principle, define the friction factor on sample and ground, thereby measure the dry type coefficient of static friction of sole or heel.Generally the loading counterweight of this testing machine just can be done test by manually lifting to be pressed on the test specimen, requires great effort so very much inconvenience.The sliding speed of test board when test is also very unstable, the accuracy of influence test.What general this type of board used on chalker is a ball pen, and manual release ejects when test, and manual withdrawal is gone in the time of no.This kind device has a shortcoming: pass through visual when test if desired, understand the curve location that produces slip and just need see test specimen on one side, seeing paintbrush on one side, test specimen is by static that time that becomes slip, eyes are observed the position of paintbrush on chart simultaneously again, because also can on chart, continue line after test specimen slides, make to be difficult to after test finishes judge which point is only test specimen by the static flex point of sliding that time that becomes.And the result of our test is exactly will be according to this point, therefore like this can be to the generation of test result bigger error.Be unfavorable for our test, just be unfavorable for that also we select more suitable material.Therefore the on-slip testing machine of developing so a kind of new survey friction factor of a kind of simple in structure, easy to operate, accurate test result has become the urgent demand of relevant producer.

The utility model content:

The purpose of this utility model is, at above problem, by improving existing technology, provides a kind of on-slip testing machine of surveying friction factor.

For achieving the above object, the utility model adopts following technical scheme: the on-slip testing machine of surveying friction factor, it comprises worktable, the main actuating unit of forming by motor, cylinder block, cylinder rod, connecting link, orienting lug, chalker, on table surface, be provided with, placing the test specimen seat on the test board by a test board; Connecting connecting link on the test specimen seat, the connecting link other end is then connecting the following piece of scale pan, and the following piece of scale pan is also connecting two guide rails that are embedded in the support arm simultaneously; The other end of described guide rail is then connecting the scale pan bottom, the scale pan bottom is provided with a cylinder rod simultaneously, cylinder rod is connecting cylinder block, and cylinder is arranged in the cylinder block and outer then source cylinder, and described cylinder rod then connects with the connecting link that is being connected the following piece of scale pan by cylinder block;

Connecting the then orienting lug of screw rod of a cover under the test board, screw rod is then connecting band synchronously

Wheel; The described synchronous pulley that is connected on the screw rod then is connected with synchronous pulley on the motor;

Described chalker mainly is made up of a marking-off plate, nib, electromagnetic coil, turn and pedal, and wherein marking-off plate is connected with test board; Nib, electromagnetic coil, turn then are connected together successively, and described electromagnetic coil is fixed on scale pan and the marking-off plate guide rail in the same way, and the electromagnetic coil switch is connected with pedal.

Be provided with a metal sensor at the two ends of described test board.

The beneficial effects of the utility model are: adopted by worktable, the main actuating unit of forming by motor, cylinder block, cylinder rod, connecting link, orienting lug, chalker is formed, and wherein is provided with by a test board on table surface, is placing the test specimen seat on the test board; Connecting connecting link on the test specimen seat, the connecting link other end is then connecting the following piece of scale pan, and the following piece of scale pan is also connecting two guide rails that are embedded in the support arm simultaneously; It can be by the applying rolling friction, reduce the friction factor of lifting rail, the other end of described guide rail is then connecting the scale pan bottom, the scale pan bottom is provided with a cylinder rod simultaneously, cylinder rod is connecting cylinder block, cylinder is arranged in the cylinder block and outer then source cylinder, and described cylinder rod then connects with the connecting link that is being connected the following piece of scale pan by cylinder block; Connecting the then orienting lug of screw rod of a cover under the test board, screw rod is then connecting synchronous pulley; The described synchronous pulley that is connected on the screw rod then is connected with synchronous pulley on the motor; Described chalker mainly is made up of a marking-off plate, nib, electromagnetic coil, turn and pedal, and wherein marking-off plate is connected with test board; Nib, electromagnetic coil, turn then are connected together successively, and described electromagnetic coil is fixed on scale pan and the marking-off plate guide rail in the same way, and the electromagnetic coil switch is connected with pedal; Be provided with a metal sensor at the two ends of described test board; So a kind of on-slip testing machine of surveying friction factor, not only simple in structure, and realized the robotization of testing, and making that the process of test is more convenient, test errors will reduce greatly, and the result is more accurate.

Description of drawings:

Below in conjunction with accompanying drawing the utility model is further described:

Fig. 1 is a structural representation of the present utility model

Fig. 2 is a front view of the present utility model

Fig. 3 is a side view of the present utility model

Embodiment:

See accompanying drawing 1, accompanying drawing 2, accompanying drawing 3, survey the on-slip testing machine of friction factor, it comprises worktable 1, the main actuating unit of being made up of motor 2, cylinder block 3, cylinder rod 4, connecting link 5, orienting lug 6, chalker, on table surface, be provided with, placing test specimen seat 8 on the test board 7 by a test board 7; Connecting connecting link 5 on the test specimen seat 8, connecting link 5 other ends are then connecting 9 times pieces of scale pan, and 9 times pieces of scale pan are also connecting two guide rails 10 that are embedded in the support arm simultaneously; The other end of described guide rail 10 is then connecting scale pan 9 bottoms, scale pan 9 bottoms are provided with a cylinder rod 4 simultaneously, cylinder rod 4 is connecting cylinder block 3, cylinder is arranged in the cylinder block 3 and outer then source cylinders, and 4 of described cylinder rods are by cylinder block 3 and connecting link 5 connections that are being connected 9 times pieces of scale pan; Test board is connecting the then orienting lug 6 of screw rod 12 of a cover for 7 times, and 12 of screw rods are connecting synchronous pulley 13; Described 13 of synchronous pulleys that are connected on the screw rod 12 are connected with synchronous pulley 13 on the motor 2.

A cylinder rod 4 is arranged below scale pan 9, cylinder rod 4 cylinder block 3 of ining succession, cylinder external gas potential source, scale pan 9 by about two guide rails 10 that are embedded in the support arm support, guide rail 10 is by orienting lug 6 guiding rise and fall.When by button upwards, the cylinder activation pneumatic supply, cylinder rod 4 is given 9 one power that make progress of scale pan, and two guide rails 10 that support scale pan 9 are moved up along orienting lug guiding scale pan 9.9 times pieces of scale pan connect two guide rails 10, and connecting link 5 connects scale pan 9 times pieces and test specimen seats 8, and test specimen seat 8 is placed on the test board 7, when test, the weight of counterweight all is pressed on the test specimen, and test board 7 is connected with orienting lug 6, and orienting lug 6 is driven by screw rod 12 and moves.Screw rod 12 is driven by timing belt pulley 13, and synchronous pulley on the synchronous pulley 13 on the screw rod 12 and the motor 2 13 is connected by synchronous belt.

Described chalker mainly is made up of a marking-off plate 20, nib 21, electromagnetic coil 22, turn and pedal 23, and wherein marking-off plate 20 is connected with test board 7; Nib 21, electromagnetic coil 22, turn then are connected together successively, and described electromagnetic coil 22 is fixed on scale pan 9 and marking-off plate 20 guide rail 10 in the same way, can move along with moving of guide rail 10, and electromagnetic coil 22 switches are connected with pedal 23.Putting one " the frictional testing machine angle and the friction factor table of comparisons " on the marking-off plate 20, the frictional testing machine angle and the friction factor table of comparisons are placed on position suitable on the marking-off plate 2 before the test, and nib is placed on the initial point place of the frictional testing machine angle and the friction factor table of comparisons.During test, test board 7 and scale pan 9 move simultaneously, can obtain a curve like this on the frictional testing machine angle and the friction factor table of comparisons.When test specimen is transferred to when sliding by static, foot-treadle 23 is connected the power supply of electromagnetic coil 22, and electromagnetic coil 22 produces a magnetic field, leaves written 21 from the frictional testing machine angle and the friction factor table of comparisons, no longer stays curve on the coefficient table.Can draw the coefficient of static friction of test specimen static friction so easily.

Be provided with a metal sensor at the two ends of described test board 7, with the displacement of restriction test board.

Certainly, the embodiment of the above, it is preferred embodiments of the present utility model, be not to limit the utility model practical range, so all equivalences of doing according to the described structure of the utility model claim, feature and principle change or modify, and all should be included in the utility model claim.

Claims

1, surveys the on-slip testing machine of friction factor, it comprises worktable, the main actuating unit of being made up of motor, cylinder block, cylinder rod, connecting link, orienting lug, chalker, it is characterized in that: table surface is provided with a test board, is placing the test specimen seat on the test board; Connecting connecting link on the test specimen seat, the connecting link other end is then connecting the following piece of scale pan, and the following piece of scale pan is also connecting two guide rails that are embedded in the support arm simultaneously; The other end of described guide rail is then connecting the scale pan bottom, the scale pan bottom is provided with a cylinder rod simultaneously, cylinder rod is connecting cylinder block, and cylinder is arranged in the cylinder block and outer then source cylinder, and described cylinder rod connects with the connecting link that is being connected the following piece of scale pan by cylinder block;

Test board connects the then orienting lug of screw rod of a cover down, and screw rod connects synchronous pulley; The described synchronous pulley that is connected on the screw rod is connected with synchronous pulley on the motor;

2, the on-slip testing machine of survey friction factor according to claim 1 is characterized in that: be provided with a metal sensor at the two ends of described test board.