CN204807029U - Friction angular measurement appearance - Google Patents
Friction angular measurement appearance Download PDFInfo
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- CN204807029U CN204807029U CN201520561483.2U CN201520561483U CN204807029U CN 204807029 U CN204807029 U CN 204807029U CN 201520561483 U CN201520561483 U CN 201520561483U CN 204807029 U CN204807029 U CN 204807029U
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- angle
- skewback
- measuring instrument
- friction
- base plate
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- 238000005259 measurement Methods 0.000 title abstract description 8
- 239000000463 material Substances 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 229910010293 ceramic material Inorganic materials 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims 1
- 239000011435 rock Substances 0.000 abstract description 52
- 238000000034 method Methods 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 4
- 239000000314 lubricant Substances 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000013201 Stress fracture Diseases 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a friction angular measurement appearance. This friction angular measurement appearance includes: frame (3) are including the bottom plate, inclined plane board (2), for bottom plate slope setting, the first end of inclined plane board (2) is articulated with frame (3), angle scale (1) sets up in frame (3) to with the adjacent setting of inclined plane board (2), be used for measuring inclined plane board (2) inclination of bottom plate relatively, and the branch subassembly, first end is connected with the bottom plate, and the second end is connected with the second end of inclined plane board (2) for the height of the relative bottom plate of second end of inclined plane board (2) is held and adjusts to the second that supports inclined plane board (2). Through the utility model discloses, solved to the unsafe problem of rock specimen friction angular measurement in the correlation technique.
Description
Technical field
The utility model relates to field of engineering technology, in particular to a kind of angle of friction measuring instrument.
Background technology
At present, in the process of oil and gas development, the roughness of Rock Profiles evaluates the important indicator of oil and gas reservoir.Wherein, rock frictional test angular dimensions in the roughness of particularly Rock Profiles.Angle of friction is rock when being in the critical conditions of slip, the angle of stiction and surface level.The angle of friction measuring rock can evaluate the friction factor of Rock Profiles, and this parameter has vital role for crack oneself's making capacity after rock volume pressure break.Because after volume fracturing, the angle of friction of Rock Profiles is large, then rock maximum static friction force is large, and the microfracture of this kind of rock is not easy to cause slippage, can self-supporting, forms oil gas output passage, has important meaning to production of hydrocarbons.
In correlation technique, be placed on standard inclined plane by rock sample to be measured, constantly increase the angle of inclined-plane and plane, when rock sample starts to slide, record angle is now rock sample angle of friction.Current instrument and equipment adjustment angle is often too coarse, causes rock sample angle of friction to be measured inaccurate.Or be placed on by rock sample in standard water plane, the quality of record rock sample, uses horizontal constant force to pull rock sample, the record horizontal pull now when rock sample starts mobile, the corner cut anyway of the ratio of horizontal pull and rock sample quality is the angle of friction of rock sample.Usually, the error that when rock sample starts to slide, horizontal pull is concrete larger, thus it is inaccurate to cause rock sample angle of friction to be measured.
For in correlation technique, inaccurate problem is measured for rock sample angle of friction, not yet propose effective solution at present.
Utility model content
Fundamental purpose of the present utility model is to provide a kind of angle of friction measuring instrument, measures inaccurate problem to solve in correlation technique for rock sample angle of friction.
To achieve these goals, a kind of angle of friction measuring instrument is provided.This angle of friction measuring instrument comprises: frame, comprises base plate; Skewback, is obliquely installed relative to base plate, and first end and the frame of skewback are hinged; Angle scale, is arranged in frame, and is disposed adjacent with skewback, for measuring the angle of inclination of skewback opposed bottom; And fulcrum bar component, first end is connected with base plate, and the second end is connected with the second end of skewback, for the second end of supporting oblique surface plate and the height of the second end opposed bottom of adjustable inclined surface apparatus plate.
Further, fulcrum bar component comprises the pole be connected with skewback and the thread bush be connected with base plate, one of at least arrange rotationally around own axes in pole and thread bush, the screw thread of pole outside and the screw thread of thread bush internal diameter cooperatively interact to control skewback and move in frame.
Further, pole comprises upper rack posts and lower fulcrum bar, and wherein, the lower end of upper rack posts is protruding to be located by connecting with the upper recess of lower fulcrum bar.
Further, the second end of skewback is provided with chute, and the top of upper rack posts is rotatable and be slidably disposed in chute.
Further, the top of upper rack posts is connected with chute by pulley.
Further, base plate is provided with threaded hole, thread bush is arranged in threaded hole.
Further, coordinated by fine thread between pole with thread bush, coordinated by coarse thread between thread bush with threaded hole.
Further, skewback comprises skewback main body and is arranged on the detachable panel in skewback main body.
Further, detachable panel is the panel of stainless steel or ceramic material or glass material.
Further, frame also comprises the side plate be vertically set on on base plate, skewback and side plate hinged.
By the utility model, adopt the angle of friction measuring instrument comprising following assembly: frame, comprises base plate; Skewback, is obliquely installed relative to base plate, and first end and the frame of skewback are hinged; Angle scale, is arranged in frame, and is disposed adjacent with skewback, for measuring the angle of inclination of skewback opposed bottom; And fulcrum bar component, first end is connected with base plate, and the second end is connected with the second end of skewback, for the second end of supporting oblique surface plate and the height of the second end opposed bottom of adjustable inclined surface apparatus plate.Due to the height of the second end opposed bottom by fulcrum bar component adjustable inclined surface apparatus plate, solve in correlation technique and inaccurate problem is measured for rock sample angle of friction, and then reach the effect of the measuring accuracy promoting rock sample angle of friction.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the schematic diagram of the angle of friction measuring instrument according to the utility model first embodiment; And
Fig. 2 is the schematic diagram of the angle of friction measuring instrument according to the utility model second embodiment.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
The application's scheme is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only the embodiment of the application's part, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of the application's protection.
According to embodiment of the present utility model, provide a kind of angle of friction measuring instrument.
Fig. 1 is the schematic diagram of the angle of friction measuring instrument according to the utility model first embodiment.As shown in Figure 1, this angle of friction measuring instrument comprises: angle scale 1, skewback 2, frame 3 and fulcrum bar component.
Frame 3, comprises base plate.
Skewback 2, is obliquely installed relative to base plate, and first end and the frame 3 of skewback 2 are hinged.
Angle scale 1, is arranged in frame 3, and is disposed adjacent with skewback 2, for measuring the angle of inclination of skewback 2 opposed bottom.
Fulcrum bar component, first end is connected with base plate, and the second end is connected with the second end of skewback 2, for the second end of supporting oblique surface plate 2 and the height of the second end opposed bottom of adjustable inclined surface apparatus plate 2.
The angle of friction measuring instrument that the utility model embodiment provides, by frame 3, comprises base plate; Skewback 2, is obliquely installed relative to base plate, and first end and the frame 3 of skewback 2 are hinged; Angle scale 1, is arranged in frame 3, and is disposed adjacent with skewback 2, for measuring the angle of inclination of skewback 2 opposed bottom; And fulcrum bar component, first end is connected with base plate, second end is connected with the second end of skewback 2, for the second end of supporting oblique surface plate 2 and the height of the second end opposed bottom of adjustable inclined surface apparatus plate 2, solves in correlation technique and measures inaccurate problem for rock sample angle of friction.Due to the height of the second end opposed bottom by fulcrum bar component adjustable inclined surface apparatus plate 2, and then reach the effect of the measuring accuracy promoting rock sample angle of friction.
Alternatively, fulcrum bar component comprises the pole be connected with skewback and the thread bush be connected with base plate, one of at least arrange rotationally around own axes in pole and thread bush, the screw thread of pole outside and the screw thread of thread bush internal diameter cooperatively interact to control skewback and move in frame.
Cooperatively interact to control skewback by the screw thread of pole outside and the screw thread of thread bush internal diameter to move in frame, ensure that controlling skewback more accurately moves upward.
Alternatively, pole comprises upper rack posts and lower fulcrum bar, and wherein, the lower end of upper rack posts is protruding to be located by connecting with the upper recess of lower fulcrum bar.
Alternatively, the second end of skewback is provided with chute, and the top of upper rack posts is rotatable and be slidably disposed in chute.
Alternatively, the top of upper rack posts is connected with chute by pulley.
Alternatively, base plate is provided with threaded hole, thread bush is arranged in threaded hole.
Alternatively, coordinated by fine thread between pole with thread bush, coordinated by coarse thread between thread bush with threaded hole.
Because thread bush outside is coarse thread, it is higher therefore to revolve the inclined-plane lifting degree that turns around, when reaching static friction angular limit soon, thread bush non rotating, only rotates lower fulcrum bar, because lower fulcrum bar outside is fine thread, therefore the inclined-plane lifting degree that turns around is revolved lower, can fine tuning angle of friction.
Alternatively, skewback comprises skewback main body and is arranged on the detachable panel in skewback main body.
Particularly, detachable panel is the panel of stainless steel or ceramic material or glass material.The panel that repeatedly rock sample can be placed on unlike material carries out measurement rock sample angle of friction, ensure that the accuracy measuring angle of friction.
It should be noted that, detachable panel can also be the panel of other material.
Alternatively, frame also comprises the side plate be vertically set on on base plate, skewback and side plate hinged.
Fig. 2 is the schematic diagram of the angle of friction measuring instrument according to the utility model second embodiment.Fig. 2 can as a kind of preferred implementation embodiment illustrated in fig. 1.As shown in Figure 2, this angle of friction measuring instrument comprises: angle scale 1, skewback 2, frame 3, chute 4, rock block 5, pulley 6, upper rack posts 7, lower fulcrum bar 8, thread bush 9, threaded hole 10 and replaceable inclined-plane 11.Angle scale 1 reads the angle bottom skewback 2 and frame 3, skewback 2 and frame 3 are by being hinged, chute 4 is positioned at skewback 2 top, replaceable inclined-plane 11 is fixed on skewback 2, rock beam can be replaced with according to measurement needs, iron and steel, the materials such as pottery and glass, rock block 5 is positioned on replaceable inclined-plane 11, pulley 6 can slide in chute 4, upper rack posts 7 top connects pulley 6, the bottom of upper rack posts 7 can be injected in lower fulcrum bar 8 top, and can rotate freely, there is fine thread lower fulcrum bar 8 outside, cooperatively interact with the screw thread of thread bush 9 internal diameter, there is coarse thread thread bush 9 outside, match with threaded hole 10, threaded hole 10 is positioned at one end of frame 3.
Particularly, rock sample angle of friction measuring instrument is used to carry out the angle of friction measuring process of rock sample as follows:
S1, changes unified replacement inclined-plane, and is arranged on skewback 2, and adjustment lower fulcrum bar 8, thread bush 9, threaded hole 10, by skewback 2 horizontal positioned.
S2, is placed on the skewback 2 of level by rock sample, control lower fulcrum bar 8 and thread bush 9 rotate with same rotational speed, and now skewback 2 rises rapidly, and stop when rock sample starts to glide, record the angle of friction reading of now angle scale 1, these number of degrees are rough estimate value.
S3, skewback 2 is recovered horizontality, rock sample is placed on the skewback 2 of level, first ensure that control lower fulcrum bar 8 and thread bush 9 rotate with same rotational speed, lifting skewback 2, during to angle of inclination soon close to rough estimate value, stop the rotation thread bush 9, only keeps lower fulcrum bar 8 to rotate, skewback 2 slowly rises, stop the rotation when rock sample starts to glide, record the angle of friction reading on now angle scale 1, these number of degrees are rock sample static friction angle.
S4, the many surveys of revision test several times, are averaged.
Using the mean value of the 3rd angle of friction that repeatedly the records angle of friction as rock sample.
The rock frictional test angular measurement based on Novel friction angle measuring instrument that the utility model provides is simple, easy and simple to handle, is easy to safeguard, use safety, can realize coarse adjustment and the fine setting on inclined-plane automatically, improves measuring accuracy.
Alternatively, replaceable inclined-plane 11 is set to stainless steel, rock block bottom surface is cut smooth rock sample soak respectively abundant drilling mud neutralization add in the mud of lubricant, be then placed on rock sample angle of friction measuring instrument and measure.Object evaluates the borehole wall to absorb after mud cake, and lubricant is on the impact of the rock on the borehole wall and the angle of friction between drill string, and experimental result is as shown in table 1:
Table 1
| Rock sample | Project | Lubricity tester reading |
| Shale | Base is starched | 4.5 |
| Shale | Base slurry+lubricant | 2.5 |
Experimental result as can be seen from table 1, this instrument successfully can measure rock angle of friction at different conditions, can also affect rock sample wetting angle by auxiliary evaluation lubricant.
The angle of friction measuring instrument that the utility model embodiment provides, comprise: angle scale 1, skewback 2, frame 3, chute 4, rock block 5, pulley 6, upper rack posts 7, lower fulcrum bar 8, thread bush 9, threaded hole 10 and replaceable inclined-plane 11, because there is fine thread lower fulcrum bar 8 outside, lower fulcrum bar 8 cooperatively interacts with the screw thread of thread bush 9 internal diameter, there is coarse thread thread bush 9 outside, match with threaded hole 10, when needs increase bevel angle fast, keep lower fulcrum bar 8 and thread bush 9 to rotate simultaneously, because thread bush 9 outside is coarse thread, therefore the inclined-plane lifting degree that turns around is revolved higher, when reaching static friction angular limit soon, thread bush 9 non rotating, only rotate lower fulcrum bar 8, because lower fulcrum bar 8 outside is fine thread, therefore the inclined-plane lifting degree that turns around is revolved lower, can fine tuning angle of friction.Therefore, wipe by coarse adjustment and essence the accurate measurement that tune two step completes angle of rubbing to rock sample, angle of friction measuring accuracy can be improved.
In the above-described embodiments, the description of each embodiment is all emphasized particularly on different fields, in certain embodiment, there is no the part described in detail, can see the associated description of other embodiments.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. an angle of friction measuring instrument, is characterized in that, comprising:
Frame (3), comprises base plate;
Skewback (2), is obliquely installed relative to described base plate, and first end and the described frame (3) of described skewback (2) are hinged;
Angle scale (1), is arranged in described frame (3), and is disposed adjacent with described skewback (2), for measuring the angle of inclination of the relatively described base plate of described skewback (2); And
Fulcrum bar component, first end is connected with described base plate, second end is connected with the second end of described skewback (2), for supporting the second end of described skewback (2) and regulating the height of the relatively described base plate of the second end of described skewback (2).
2. angle of friction measuring instrument according to claim 1, it is characterized in that, described fulcrum bar component comprises the pole be connected with described skewback (2) and the thread bush (9) be connected with described base plate, one of at least arrange rotationally around own axes in described pole and described thread bush (9), the screw thread of described pole outside and the screw thread of described thread bush (9) internal diameter cooperatively interact to control described skewback (2) described frame (3) is upper and move.
3. angle of friction measuring instrument according to claim 2, it is characterized in that, described pole comprises upper rack posts (7) and lower fulcrum bar (8), and wherein, the lower end of described upper rack posts (7) is protruding to be located by connecting with the upper recess of described lower fulcrum bar (8).
4. angle of friction measuring instrument according to claim 3, it is characterized in that, second end of described skewback (2) is provided with chute (4), and the top of described upper rack posts (7) is rotatable and be slidably disposed in described chute (4).
5. angle of friction measuring instrument according to claim 4, is characterized in that, the top of described upper rack posts (7) is connected with described chute (4) by pulley (6).
6. angle of friction measuring instrument according to claim 2, is characterized in that, described base plate is provided with threaded hole (10), and described thread bush (9) is arranged in described threaded hole (10).
7. angle of friction measuring instrument according to claim 6, it is characterized in that, coordinated by fine thread between described pole with described thread bush (9), coordinated by coarse thread between described thread bush (9) with described threaded hole (10).
8. angle of friction measuring instrument according to claim 1, is characterized in that, described skewback (2) comprises skewback main body and is arranged on the detachable panel (11) in described skewback main body.
9. angle of friction measuring instrument according to claim 8, is characterized in that, the panel that described detachable panel (11) is stainless steel or ceramic material or glass material.
10. angle of friction measuring instrument according to claim 1, is characterized in that, (3) also comprise the side plate be vertically set on on described base plate to described frame, and described skewback (2) is hinged with described side plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520561483.2U CN204807029U (en) | 2015-07-29 | 2015-07-29 | Friction angular measurement appearance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520561483.2U CN204807029U (en) | 2015-07-29 | 2015-07-29 | Friction angular measurement appearance |
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| CN204807029U true CN204807029U (en) | 2015-11-25 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105894912A (en) * | 2016-04-20 | 2016-08-24 | 河海大学 | Kinetic friction factor tester for teaching, and relative testing method thereof |
| CN107945626A (en) * | 2017-06-17 | 2018-04-20 | 浙江大学城市学院 | A kind of mechanical fine motion inclined-plane measurement friction coefficient experiment instrument |
| CN108844495A (en) * | 2018-06-20 | 2018-11-20 | 东北大学 | A kind of device automatically determining the granular media angle of external friction and measuring method |
| CN111693457A (en) * | 2020-06-30 | 2020-09-22 | 西南交通大学 | Automatic testing device and testing method for friction parameters of rock structural surface |
| CN112325836A (en) * | 2020-11-06 | 2021-02-05 | 合肥潜望镜机械科技有限公司 | Plate surface roughness detection device |
| CN113108745A (en) * | 2021-03-29 | 2021-07-13 | 中船重工重庆智能装备工程设计有限公司 | Bearing bush radius height and alignment parallelism detection device |
-
2015
- 2015-07-29 CN CN201520561483.2U patent/CN204807029U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105894912A (en) * | 2016-04-20 | 2016-08-24 | 河海大学 | Kinetic friction factor tester for teaching, and relative testing method thereof |
| CN107945626A (en) * | 2017-06-17 | 2018-04-20 | 浙江大学城市学院 | A kind of mechanical fine motion inclined-plane measurement friction coefficient experiment instrument |
| CN107945626B (en) * | 2017-06-17 | 2023-12-29 | 浙江大学城市学院 | Mechanical type micro-dynamic inclined plane friction coefficient measuring experiment instrument |
| CN108844495A (en) * | 2018-06-20 | 2018-11-20 | 东北大学 | A kind of device automatically determining the granular media angle of external friction and measuring method |
| CN108844495B (en) * | 2018-06-20 | 2019-06-21 | 东北大学 | A kind of device automatically determining the granular media angle of external friction and measuring method |
| CN111693457A (en) * | 2020-06-30 | 2020-09-22 | 西南交通大学 | Automatic testing device and testing method for friction parameters of rock structural surface |
| CN111693457B (en) * | 2020-06-30 | 2022-08-02 | 西南交通大学 | Automatic testing device and testing method for friction parameters of rock structural surface |
| CN112325836A (en) * | 2020-11-06 | 2021-02-05 | 合肥潜望镜机械科技有限公司 | Plate surface roughness detection device |
| CN113108745A (en) * | 2021-03-29 | 2021-07-13 | 中船重工重庆智能装备工程设计有限公司 | Bearing bush radius height and alignment parallelism detection device |
| CN113108745B (en) * | 2021-03-29 | 2023-03-10 | 中船重工重庆智能装备工程设计有限公司 | Bearing bush radius height and alignment parallelism detection device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |