CN102042953A - Mechanical building ground anti-skidding performance tester - Google Patents
Mechanical building ground anti-skidding performance tester Download PDFInfo
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- CN102042953A CN102042953A CN 201010536717 CN201010536717A CN102042953A CN 102042953 A CN102042953 A CN 102042953A CN 201010536717 CN201010536717 CN 201010536717 CN 201010536717 A CN201010536717 A CN 201010536717A CN 102042953 A CN102042953 A CN 102042953A
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- sleeve
- gear
- spring
- building ground
- guide rail
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Abstract
The invention discloses a mechanical building ground anti-skidding performance tester, mainly comprising a pedestal, a bracket, a friction slip, a graduated sleeve and a spring, the bracket is fixedly installed on the pedestal, a guide rail is arranged on the bracket, the sleeve is arranged in the guide rail, the sleeve and the guide rail form sliding fit, the spring is arranged in the sleeve, and one end of the spring is fixedly linked with the sleeve while the other end of which is connected with the friction slip through a connecting rod. In the mechanical building ground anti-skidding performance tester, the sleeve is moved so as to extend the spring, until the friction slip slides, and finally a frictional factor can be solved through a displacement value. With the tester, the frictional factor of the building ground can be conveniently tested so as to provide basis for estimating ground anti-skidding performance, simultaneously, the mechanical building ground anti-skidding performance tester is featured by clear and understandable principle, simple structure and convenient operation, and both can be used in a laboratory and at site.
Description
Technical field
The present invention relates to a kind of detecting instrument, specifically is the instrument that is used for measuring the ground cling property.
Background technology
Most of developed area of China and densely populated zone all are in the subtropical climate section, and be throughout the year warm and humid rainy.No matter at home or commercial location and other public arena, after rainy day, cleaning, wet season or when taking a shower, the ground non-skid property sharply descends often causes slipping, the tumble injury accident, even causes serious casualty accident.China is in rising trend because of people's quantity of the wet and slippery tumble injury in ground every year, ten hundreds of people is arranged approximately because of the tumble injury of slipping every day, and the anti-skidding safety problem in ground has become the new problem of a public safety.
Assessment ground non-skid property generally is to realize by the friction factor of measuring between sole and ground, both can be that kinetic friction coefficient also can be a coefficient of static friction.Nowadays in the friction evaluation, it is more general that coefficient of static friction uses, and this is based on most of material for sole of shoe and earth material, and coefficient of static friction is greater than kinetic friction coefficient.The present invention is exactly the coefficient of static friction that is used for measuring ground.
At present, the detecting instrument of China's mensuration determining anti-skid performance of building ground is also considerably less, and the evaluation criteria and the technology of ground cling property are not still had unified regulation, has caused a lot of difficulties and problem thus in practical operation.
Summary of the invention
The technical solution adopted for the present invention to solve the technical problems is: this mechanical type instrument for determining anti-skid performance of building ground comprises the sleeve and the spring of base, support, friction slip, band scale, described support is fixedly mounted on the base, described support is provided with guide rail, sleeve places in the guide rail, and be slidingly matched with guide rail formation, described spring places in the sleeve, and one end and sleeve are fixedly connected, and the other end is connected with friction slip by connecting rod.
Further, the present invention includes force application apparatus, described force application apparatus is connected with sleeve.
Further, force application apparatus of the present invention comprises a tooth-arranging strip, first gear, second gear and the 3rd gear; Described support has first bearing pin by Bearing Installation) and second bearing pin; Described first gear and second gear are fixedly installed in first bearing pin, and the 3rd gear is fixedly installed on second bearing pin, second gear and the 3rd gearing mesh; Described tooth bar is installed between first gear and the sleeve, and described tooth bar is fixedly installed on the sleeve along the length direction of sleeve, the described tooth bar and first gearing mesh.
Compared with prior art, the invention has the beneficial effects as follows: the motion by sleeve makes the spring elongation, and then the drawing friction slide block, and the displacement that can read sleeve when friction slip slides can obtain friction co-efficient value by displacement.The present invention can conveniently measure the friction factor size of building ground, for assessment ground cling property provides foundation.The present invention need not any electronic component for the Purely mechanical structure, and simple structure is easy to operate directly perceived, can a people independently finish whole test process, both can also can be used for on-the-spot test at the laboratory build-in test.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is a structural representation of the present invention.
Fig. 2 is a structure vertical view of the present invention.
Fig. 3 is the A-A sectional view of Fig. 2.
Fig. 4 is the B-B sectional view of Fig. 2.
Fig. 5 is the C-C sectional view of Fig. 2.
Fig. 6 is the intermeshing synoptic diagram of first wheel and rack of the present invention.
Among the figure, 1. baffle plate, 2. friction slip, 3. second gear, 4. the 3rd gear, 5. operation board, 6. displacement scale, 7. tooth bar, 8. sleeve, 9. first gear, 10. spring, 11. first bearing pins, 12. second bearing pins, 13. block rubber, 14. bases, 15. foot-operated districts, 16. supports, 17. connecting rods, 18. guide rails.
Embodiment
As Fig. 1-shown in Figure 5, the present invention mainly is made up of sleeve 8, guide rail 18, spring 10 and the force application apparatus of base 14, support 16, friction slip 2, band scale.
In Fig. 2, Fig. 4 and Fig. 5, block rubber 13 places in the shrinkage pool of friction slip 2, and according to the needs of different test conditions, block rubber 13 also can be replaced by other friction materials easily, as leather, Nai Oulai top grade.Baffle plate 1 is in order to keep friction slip 2 linear slide.Spring 10 places in the sleeve 8, and an end and sleeve 8 are fixedly connected, and the other end is connected with friction slip 2 by connecting rod 17.Support 16 is fixedly mounted on the base 14, and support 16 is provided with guide rail 18, and sleeve 8 places in the guide rail 18, and sleeve 8 forms with guide rail 18 and is slidingly matched, and has indicated displacement scale 6 along its length in upper surface one side of sleeve 8.As Fig. 1, Fig. 2 and shown in Figure 4, base 14 can be in friction slip 2 regions and guide rail 18 zone that hangs support 16 hollow out so that friction slip 2 can slide in this zone.Riding and distinguishing 15 is the slips that are used for preventing the test process instrument on the base 14, pin can be placed on the friction force on top increase base 14 and ground, as if base 14 usefulness friction materials are made, can play and ride the 15 same effects of distinguishing.
As the present invention not during the facility power apparatus, the available moving sleeve 8 that pulls slides along guide rail 18.If use force application apparatus, then various ways can be arranged, as rack-and-pinion transmission, bolt screw rod etc.
Fig. 2 extremely force application apparatus shown in Figure 6 comprises a tooth-arranging strip 7, first gear 9, second gear 3 and the 3rd gear 4.Support 16 has first bearing pin 11 and second bearing pin, 12, the first gears 9 and second gear 3 to be fixedly installed in first bearing pin, 11, the three gears 4 by Bearing Installation to be fixedly installed on second bearing pin 12, second gear 3 and 4 engagements of the 3rd gear; Tooth bar 7 is installed between first gear 9 and the sleeve 8, is fixedly installed on the sleeve 8 along the length direction of sleeve 8, and tooth bar 7 and 9 engagements of first gear, Fig. 6 has expressed the engagement situation of the tooth bar 7 and first gear 9 intuitively.But the operation board 5 by being fixedly linked in second bearing pin 12 and the transmission of tooth bar 7 and first gear, 9 realizable forces.Can make sleeve 8 motions by this force application apparatus, thereby make spring 10 elongations, when friction slip 2 slides, stop the application of force immediately, can read the shift value x of sleeve 8 this moment from displacement scale 6.Because the normal force N that the deadweight of spring rate k value and friction slip 2 provides is known, just can calculate corresponding ground friction coefficient μ value by formula kx=μ N.
It is as follows to utilize the present invention to measure the step of determining anti-skid performance of building ground:
1. after will the block rubber 13 usefulness sand paper uniform grindings as friction material, place in the shrinkage pool of friction slip 2, be placed on base 14 then and hollow out on the ground to be measured at place, this moment, block rubber 13 directly contacted with ground.
2. the displacement scale value on record sleeve this moment generally makes friction slip 2 end and base 14 along its length close as far as possible, can make spring that enough elongated distance are arranged.Pin is placed on foot-operated district 15, and rotation manual rotating disk 5 begins to slide until friction slip 2, and stop immediately exerting all one's strength this moment, the displacement scale value of record sleeve 8, and record.
4. can obtain the friction co-efficient value on ground according to displacement difference and computing formula mentioned above, survey determining anti-skid performance of building ground thereby can evaluate.
Claims (3)
1. mechanical type instrument for determining anti-skid performance of building ground, it is characterized in that: comprise base (14), support (16), friction slip (2), the sleeve (8) and the spring (10) of band scale, described support (16) is fixedly mounted on the base (14), described support (16) is provided with guide rail (18), sleeve (8) places in the guide rail (18), sleeve (8) forms with guide rail (18) and is slidingly matched, described spring (10) places in the sleeve (8), one end of described spring (10) and sleeve (8) are fixedly connected, and the other end of described spring (10) is connected with friction slip (2) by connecting rod (17).
2. building ground frictionmeter according to claim 1 is characterized in that: also comprise force application apparatus, described force application apparatus is connected with sleeve (8).
3. building ground frictionmeter according to claim 2 is characterized in that: described force application apparatus comprises a tooth-arranging strip (7), first gear (9), second gear (3) and the 3rd gear (4); Described support (16) has first bearing pin (11) and second bearing pin (12) by Bearing Installation; Described first gear (9) and second gear (3) are fixedly installed in respectively on first bearing pin (11), and the 3rd gear (4) is fixedly installed on second bearing pin (12), second gear (3) and the 3rd gear (4) engagement; Described tooth bar (7) is installed between first gear (9) and the sleeve (8), and described tooth bar (7) is fixed on the sleeve (8) along the length direction of sleeve (8), described tooth bar (7) and first gear (9) engagement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010536717 CN102042953A (en) | 2010-11-09 | 2010-11-09 | Mechanical building ground anti-skidding performance tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010536717 CN102042953A (en) | 2010-11-09 | 2010-11-09 | Mechanical building ground anti-skidding performance tester |
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| Publication Number | Publication Date |
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| CN102042953A true CN102042953A (en) | 2011-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN 201010536717 Pending CN102042953A (en) | 2010-11-09 | 2010-11-09 | Mechanical building ground anti-skidding performance tester |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107167421A (en) * | 2017-06-27 | 2017-09-15 | 山东交通学院 | A kind of multifunction road static and dynamic friction coefficient determines car |
| CN110231284A (en) * | 2019-07-16 | 2019-09-13 | 上海宝冶集团南京建筑有限公司 | A kind of rigidity friction coefficient measuring apparatus |
| CN110567871A (en) * | 2019-07-23 | 2019-12-13 | 西南交通大学 | Friction experiment device, bearing mechanism, loading mechanism and friction experiment method thereof |
Citations (6)
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|---|---|---|---|---|
| US3828605A (en) * | 1973-04-06 | 1974-08-13 | Elias Prod Inc | Surface friction analyzer |
| CN85200204U (en) * | 1985-04-01 | 1986-01-29 | 中南矿冶学院 | Directreading measurment instrument for friction coefficient of drilling fluid |
| CN2914070Y (en) * | 2006-05-19 | 2007-06-20 | 邓树景 | Skid device for measuring coefficient of static friction |
| CN101308083A (en) * | 2008-06-20 | 2008-11-19 | 浙江红蜻蜓鞋业股份有限公司 | Shoe soles slip stopping performance tester |
| CN201569623U (en) * | 2009-12-11 | 2010-09-01 | 华南农业大学 | Device for testing maximum static friction coefficient on surface of rod piece |
| CN201852778U (en) * | 2010-11-09 | 2011-06-01 | 浙江大学 | Mechanical skid resistance tester for building ground |
-
2010
- 2010-11-09 CN CN 201010536717 patent/CN102042953A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3828605A (en) * | 1973-04-06 | 1974-08-13 | Elias Prod Inc | Surface friction analyzer |
| CN85200204U (en) * | 1985-04-01 | 1986-01-29 | 中南矿冶学院 | Directreading measurment instrument for friction coefficient of drilling fluid |
| CN2914070Y (en) * | 2006-05-19 | 2007-06-20 | 邓树景 | Skid device for measuring coefficient of static friction |
| CN101308083A (en) * | 2008-06-20 | 2008-11-19 | 浙江红蜻蜓鞋业股份有限公司 | Shoe soles slip stopping performance tester |
| CN201569623U (en) * | 2009-12-11 | 2010-09-01 | 华南农业大学 | Device for testing maximum static friction coefficient on surface of rod piece |
| CN201852778U (en) * | 2010-11-09 | 2011-06-01 | 浙江大学 | Mechanical skid resistance tester for building ground |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107167421A (en) * | 2017-06-27 | 2017-09-15 | 山东交通学院 | A kind of multifunction road static and dynamic friction coefficient determines car |
| CN107167421B (en) * | 2017-06-27 | 2023-11-03 | 山东交通学院 | Multifunctional road surface dynamic-static friction coefficient measuring vehicle |
| CN110231284A (en) * | 2019-07-16 | 2019-09-13 | 上海宝冶集团南京建筑有限公司 | A kind of rigidity friction coefficient measuring apparatus |
| CN110231284B (en) * | 2019-07-16 | 2024-01-30 | 上海宝冶集团南京建筑有限公司 | Rigidity friction coefficient measuring device |
| CN110567871A (en) * | 2019-07-23 | 2019-12-13 | 西南交通大学 | Friction experiment device, bearing mechanism, loading mechanism and friction experiment method thereof |
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Application publication date: 20110504 |