CN102183456B - Digitally displayed automatic adhesive force instrument - Google Patents
Digitally displayed automatic adhesive force instrument Download PDFInfo
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- CN102183456B CN102183456B CN2011100250111A CN201110025011A CN102183456B CN 102183456 B CN102183456 B CN 102183456B CN 2011100250111 A CN2011100250111 A CN 2011100250111A CN 201110025011 A CN201110025011 A CN 201110025011A CN 102183456 B CN102183456 B CN 102183456B
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- steel wire
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- pulling force
- force sensor
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Abstract
The invention provides a digitally displayed automatic adhesive force instrument. The adhesive force instrument comprises a control part and a mechanical part, wherein a motor of the control part is fixed on a cross beam of a supporting framework; a rotating shaft of the motor is connected with one end of a steel wire; the steel wire hangs down after wrapping over a pulley fixed on the cross beam of the supporting framework along the cross beam of the supporting framework, and the other end of the steel wire is connected with one end of a steel wire joint connected with a drawing force sensor; the other end of the steel wire joint is connected with a preloading block through a soft drawn wire; a test sample box fixed on a test sample box base is arranged below the preloading block; the steel wire, the drawing force sensor, the preloading block and the test sample box are arranged on the same axial line; the motor is electrically connected with a control box body; and the drawing force sensor is electrically connected with the control box body. The digitally displayed automatic adhesive force instrument has the advantages that: due to the structure of the instrument, the test steps are reduced, the work of weighing steel balls is reduced, a loading rate and a stress on a test sample are uniform and test data acquisition is more stable and accurate, so that a test result is closer to a real value and the test efficiency is improved greatly; therefore, the digitally displayed automatic adhesive force instrument is applicable to adhesive force measurement of various soils.
Description
Technical field
The present invention relates to the surveying instrument of the adhesion of port boat dredging work and all kinds of soil, the numeral that particularly a kind of adhesion that is used for soil is measured shows automatic adhesion appearance.
Background technology
Adhesion is an important technology index in the boat dredging work of port, adopts the adhesion appearance to measure.Traditional adhesion appearance is a kind of manual mechanical type instrument; In process of the test, it is to add through manual work to realize as the iron sand of load that the one side load applies, or realizes through the hand runner that is connected with dynamometer spring; Inhomogeneous in the test owing to rate of loading; Cause the sample unbalance stress, often sample is had disturbance, process of the test is wayward; Process of the test is complicated on the other hand, needs manual work weighing loading or repeated calculation loading repeatedly, and these factors cause final stringency of test poor, test length consuming time.
Summary of the invention
For solving the problem that exists in the above-mentioned technology; The purpose of this invention is to provide a kind of numeral that is used for the adhesion measurement of soil and show automatic adhesion appearance; Help in process of the test, making that precompressed accurate timing, peak-data automatically lock, data recording is accurate; Because rate of loading is even, sample is stressed evenly, and the parallel error of test figure is little.
For realizing above-mentioned purpose; The technical scheme that the present invention adopts provides a kind of numeral that is used for the adhesion measurement of soil and shows automatic adhesion appearance; It is characterized in that: this adhesion appearance includes the fixedly chassis and the support frame of control section and mechanical part, and said control section includes motor, pulling force sensor, limit switch, control casing; Said mechanical part includes sample box, is fixed on sample cassette holder, precompressed piece, soft drawn wire, wire joint, steel wire, pulley on the chassis; Said motor is fixed on the crossbeam of support frame; Be connected with an end of steel wire on the turning axle of motor; It is sagging that steel wire is walked around the pulley that is fixed on the support frame crossbeam along the crossbeam of support frame, and the other end of steel wire is connected with the wire joint that is connected with pulling force sensor one end, and the wire joint other end is connected with the precompressed piece through soft drawn wire; The below of precompressed piece is provided with the sample box that is fixed on the sample cassette holder, and steel wire, pulling force sensor, pulling precompressed piece and sample box are on same axis; Said motor is electrically connected with the control casing, and pulling force sensor is electrically connected with the control casing.
Effect of the present invention is that the structure of this instrument unites two into one testing cover plate and precompressed piece to have reduced test procedure, and the work of the precompressed piece being carried out precompressed to test specimen unites two into one through testing cover plate and precompressed piece, has reduced the work of cancelling precompressed; Change numeral into by the method dynamometry of weighing through steel ball and show automatic test approach, reduced the work that steel ball is weighed, make test process more steady simultaneously, reduced artificial test error, stablizing more of test data collection is accurate; Joining day relay in control circuit is exactly in order to make squeeze time accurate, unique; In the process of motor operation pulling force sensor on move and installed limit switch additional, guaranteed the safe in utilization of instrument.Precompressed piece and test chamber cover plate are two-in-one; Tension uniform; Pulling force is measured by pulling force sensor, and shows automatically, automatically locks the pulling force peak value; Squeeze time automatic setting, timing finish motor and work automatically.
Show that through contrasting numeral of the present invention automatic adhesion appearance has following characteristics:
1, owing to avoided the impact of iron sand, make test findings more near actual value.
2, parallel error obviously reduces.
3, test efficiency obviously improves.
Description of drawings
Fig. 1 is the installation diagram that numeral of the present invention shows automatic adhesion appearance;
Fig. 2 is the schematic diagram of control circuit of the present invention.
Among the figure:
1, motor 2, limit switch 3, steel wire 4, wire joint 5, pulling force sensor
6, starting switch 7, the time relay 8, hand switch 9, pulling force display
10, soft drawn wire 11, precompressed piece 12, sample box 13, foot bolt 14, sample cassette holder
15, motor connecting line 16, pulling force sensor connecting line 17, power lead 18, pulley
The practical implementation method
The numeral of the adhesion that is used for soil of the present invention being measured in conjunction with accompanying drawing shows that automatic adhesion appearance structure explains.
As shown in Figure 1, the numeral that the adhesion that is used for soil of the present invention is measured shows that the design philosophy of automatic adhesion appearance is that testing cover plate and precompressed piece unite two into one and reduced test procedure, and minimizing is to the disturbance of sample; Replace the method that steel ball is weighed by dynamometer, reduced the work that steel ball is weighed, make test process more steady simultaneously, reduced artificial test error, stablizing more of test data collection is accurate; Joining day relay in control circuit makes squeeze time accurate, unique; In the process of motor operation pulling force sensor on move and installed limit switch additional, guaranteed the safe in utilization of instrument.
The numeral that the adhesion that is used for soil of the present invention is measured shows automatic adhesion appearance; This adhesion appearance includes the fixedly chassis and the support frame of control section and mechanical part, and said control section includes motor 1, pulling force sensor 5, limit switch 2, control casing; Said mechanical part includes sample box 12, is fixed on sample cassette holder 14, precompressed piece 11, soft drawn wire 10, wire joint 4, steel wire 3, pulley 18 on the chassis.
Said motor 1 is fixed on the crossbeam of support frame; Be connected with an end of steel wire 3 on the turning axle of motor 1; It is sagging that steel wire 3 is walked around the pulley 18 that is fixed on the support frame crossbeam along the crossbeam of support frame; The other end of steel wire 3 is connected with the wire joint that is connected with pulling force sensor 54 one ends; Wire joint 4 other ends are connected with precompressed piece 11 through soft drawn wire 10, and the below of precompressed piece 11 is provided with the sample box 12 that is fixed on the sample cassette holder 14, and steel wire 3, pulling force sensor 5, pulling precompressed piece 11 and sample box 12 are on same axis; Be provided with the foot bolt 13 of regulating flatness in the bottom on chassis.
Said motor 1 is electrically connected with the control casing, and pulling force sensor 5 is electrically connected with the control casing, and said control casing includes starting switch 6, the time relay 7, hand switch 8, the pulling force display 9 that is electrically connected each other successively.For guaranteeing that numeral shows the safety of automatic adhesion appearance motor 1 running in to the test process of sample, the limit switch 2 that is connected with motor 1 has been installed, in that do not have can auto stop under the situation of manual intervention below pulley.
The numeral that is used for the adhesion measurement of soil shows that automatic adhesion appearance is at the test process to sample; Use gravity to sling and sample box 12 places on the same axis pulling force sensor 5 and precompressed piece 11 are vertical by steel wire 3 from the mode of hanging down; Sample is carried out precompressed and drawing, reduced other additional force that manually-operated produced.
This instrument carries out precompressed through 11 pairs of samples of precompressed piece, sets squeeze time in advance, and the time is adjustable; Codes and standards are 1 minute, and after precompressed finished, motor 1 was worked automatically; Pull-up precompressed piece 11 at the uniform velocity, precompressed piece 11 is the cover plate of double as soil container simultaneously, lifts in the process; Pulling force sensor 5 is worked simultaneously, shows the pulling force that is produced automatically.When precompressed piece 11 with after sample box 12 separates fully, pulling force sensor 5 auto locking peaks, when precompressed piece 11 rises to the precalculated position, motor 1 stops automatically.
The course of work of this instrument is to drive steel wire 3 motions by motor 1; Steel wire turns to through pulley 18 and drives pulling force sensor 5 and 11 motions of pulling precompressed piece; Make its break away from sample box 12 in sample bonding; Its cohesive force is adhesion, and this power is to measure through the pulling force display 9 of pulling force sensor 5 in the control casing.Motor 1 is connected with the time relay 7 of control in the casing, the realization Auto Power On; Limit switch 2 is connected with motor 1 realizes auto stop; Pulling force sensor 5 is connected with the pulling force display 9 of control in the casing, and described numeral shows that the running of the motor 1 of automatic adhesion appearance is to control through the control circuit in the control casing, and control circuit includes starting switch 6, the time relay 7, hand switch 8, limit switch 2; Its circuit diagram is as shown in Figure 2, and it implements control procedure is at first to adjust the original state of instrument work with hand switch, opens starting switch; Delay time by time relay control electric motor starting; Be squeeze time, motor 1 running, when precompressed piece 11 break away from sample box 12 in sample bonding after; Can close starting switch, accomplish once test sample.
The numeral that the adhesion that is used for soil of the present invention is measured shows that the method for testing of automatic adhesion appearance and traditional adhesion testing tool compares, and its advantage is: pulling force sensor 5 is connected with pulling force display 9 realizes that numeral shows pulling force, auto locking peak.Testing cover plate and precompressed piece 11 unite two into one and have reduced test procedure, and the work of 11 pairs of test specimens of precompressed piece being carried out precompressed unites two into one through testing cover plate and precompressed piece, has reduced the work of cancelling precompressed; Change numeral into by the method dynamometry of weighing through steel ball and show automatic test approach, reduced the work that steel ball is weighed, make test process more steady simultaneously, reduced artificial test error, stablizing more of test data collection is accurate; Joining day relay in control circuit makes squeeze time accurate, unique; In the process of motor operation pulling force sensor on move and installed limit switch additional, guaranteed the safe in utilization of instrument.
The numeral that the adhesion that is used for soil of the present invention is measured shows that automatic adhesion appearance function is achieved in that
1, will be placed on stably on the desktop, connect pulling force sensor 5, the position of adjusting steel wire 3 and soft drawn wire 10, with instrument through foot bolt 13 leveling.
2, energized and open the switch of pulling force display 9 will show zero setting by reset key.
3, move hand switch 8 with 11 pull-ups of precompressed piece to vacant state.
4, put into test specimen, move motor 1 microswitch precompressed piece 11 is slowly reduced on the test specimen of sample box 12, make soft drawn wire 10 be relaxed state, and pulling force sensor 5 is contacted with precompressed piece 11.
5, press starting switch 6, on-test.
6, in one minute with 9 zero setting of pulling force display.
7, after 11 pull-ups of precompressed piece, turn off starting switch 6, read peaked numerical value and real-time value of thrust and record in the pulling force display 9.
8, maximal value is deducted real-time value of thrust and be the maximum pull value.
It should be noted that:
1. the connection electric wire of pulling force sensor 5 will loosen, and the phenomenon of being pullled can not be arranged.
The placement of precompressed piece 11 want slowly and the position stable between two parties.
3. the working time of the time relay should place on the squeeze time of testing requirements, is generally one minute.
The numeral that is used for the adhesion measurement of soil shows that automatic adhesion appearance and manual adhesion appearance test figure contrast like following table:
Claims (5)
1. a numeral that is used for the adhesion measurement of soil shows automatic adhesion appearance; It is characterized in that: this adhesion appearance includes the fixedly chassis and the support frame of control section and mechanical part, and said control section includes motor (1), pulling force sensor (5), limit switch (2), control casing; Said mechanical part includes and contains native sample box (12), is fixed on sample cassette holder (14), precompressed piece (11), soft drawn wire (10), wire joint (4), steel wire (3), pulley (18) on the chassis;
Said motor (1) is fixed on the crossbeam of support frame; Be connected with an end of steel wire (3) on the turning axle of motor (1); It is sagging that steel wire (3) is walked around the pulley (18) that is fixed on the support frame crossbeam along the crossbeam of support frame; The other end of steel wire (3) is connected with the wire joint that is connected with pulling force sensor (5) (4) one ends; Wire joint (4) other end is connected with precompressed piece (11) through soft drawn wire (10), and the below of precompressed piece (11) is provided with the sample box (12) that is fixed on the sample cassette holder (14), and steel wire (3), pulling force sensor (5), precompressed piece (11) and sample box (12) are on same axis;
Said motor (1) is electrically connected with the control casing, and pulling force sensor (5) is electrically connected with the control casing.
2. the numeral that the adhesion that is used for soil according to claim 1 is measured shows automatic adhesion appearance, and it is characterized in that: said control casing includes starting switch (6), the time relay (7), hand switch (8), the pulling force display (9) that is electrically connected each other successively.
3. the numeral that the adhesion that is used for soil according to claim 1 is measured shows automatic adhesion appearance, and it is characterized in that: the bottom on said chassis is provided with the foot bolt (13) of regulating flatness.
4. the numeral that the adhesion that is used for soil according to claim 1 is measured shows automatic adhesion appearance, and it is characterized in that: said motor (1) is connected with the limit switch (2) of realizing auto stop.
5. the numeral that the adhesion that is used for soil according to claim 1 is measured shows automatic adhesion appearance, and it is characterized in that: the precompressed on said precompressed piece (11) and the sample box (12) covers and is one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100250111A CN102183456B (en) | 2011-01-24 | 2011-01-24 | Digitally displayed automatic adhesive force instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100250111A CN102183456B (en) | 2011-01-24 | 2011-01-24 | Digitally displayed automatic adhesive force instrument |
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| Publication Number | Publication Date |
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| CN102183456A CN102183456A (en) | 2011-09-14 |
| CN102183456B true CN102183456B (en) | 2012-11-14 |
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| CN2011100250111A Active CN102183456B (en) | 2011-01-24 | 2011-01-24 | Digitally displayed automatic adhesive force instrument |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102494994A (en) * | 2011-11-11 | 2012-06-13 | 中国科学院寒区旱区环境与工程研究所 | Instrument for measuring soil adherence force |
| CN102519870B (en) * | 2011-11-24 | 2013-10-23 | 三一电气有限责任公司 | Device for measuring adhesive force of creeper tread |
| CN106290146B (en) * | 2015-05-13 | 2020-04-24 | 中国石油化工股份有限公司 | Dragging type concretion strength tester and method thereof |
| CN105181582B (en) * | 2015-09-14 | 2018-02-06 | 长安大学 | A kind of sealing adhesive aggregation force test device of mist containing sand |
| CN109406395A (en) * | 2018-12-20 | 2019-03-01 | 浙江工业大学 | A kind of film and basal body binding force stepper motor drive steel wire drive measuring device |
| CN111207867A (en) * | 2020-01-17 | 2020-05-29 | 西安理工大学 | Electrostatic adsorption force test platform |
| KR20220098319A (en) | 2020-12-30 | 2022-07-12 | 차이나 타바코 윈난 인더스트리얼 컴퍼니 리미티드 | Lip adhesion test system and test method of cigarette tipping paper |
| CN113791032B (en) * | 2021-09-08 | 2023-09-01 | 营口理工学院 | Physical parameter testing device and method |
| CN113670494B (en) * | 2021-10-20 | 2021-12-17 | 中交投资南京有限公司 | Tunnel side wall embedding body grip strength testing device and method |
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|---|---|---|---|---|
| SU439736A1 (en) * | 1972-04-03 | 1974-08-15 | Предприятие П/Я М-5828 | Soil sticking tester |
| CN87214629U (en) * | 1987-10-23 | 1988-07-13 | 李志强 | Automatic loading device for lever type consolidometer |
| CN1512164A (en) * | 2002-12-31 | 2004-07-14 | 山东大学 | Intelligent analyzer for metal lubricant friction performance |
| CN201974360U (en) * | 2011-01-24 | 2011-09-14 | 中交第一航务工程勘察设计院有限公司 | Digital display automatic adhesion instrument |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4160030B2 (en) * | 2004-08-20 | 2008-10-01 | 財団法人鉄道総合技術研究所 | Centrifugal loading test method and centrifugal loading test specimen |
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2011
- 2011-01-24 CN CN2011100250111A patent/CN102183456B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU439736A1 (en) * | 1972-04-03 | 1974-08-15 | Предприятие П/Я М-5828 | Soil sticking tester |
| CN87214629U (en) * | 1987-10-23 | 1988-07-13 | 李志强 | Automatic loading device for lever type consolidometer |
| CN1512164A (en) * | 2002-12-31 | 2004-07-14 | 山东大学 | Intelligent analyzer for metal lubricant friction performance |
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Non-Patent Citations (2)
| Title |
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| JP特开2006-58141A 2006.03.02 |
| 孟令福等.淤泥质粘土与粉砂互层土抗剪强度试验研究.《港工技术》.2009,第46卷(第04期), * |
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| CN102183456A (en) | 2011-09-14 |
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